:root {
  --navy: #071a3a;
  --navy-2: #0c2b59;
  --ink: #0a1830;
  --muted: #5c6879;
  --line: rgba(9, 31, 67, .13);
  --orange: #ff7a17;
  --teal: #08a99a;
  --violet: #7654ff;
  --blue: #176bd6;
  --paper: #ffffff;
  --soft: #f4f7fb;
  --radius: 28px;
  --shadow: 0 22px 65px rgba(7, 25, 57, .14);
  --max: 1520px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; color: var(--ink); background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55; -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
img { display: block; max-width: 100%; }
.skip-link { position: fixed; left: 14px; top: -80px; z-index: 9999; background: #fff; padding: 10px 14px; border-radius: 10px; box-shadow: var(--shadow); }
.skip-link:focus { top: 14px; }
.container { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.eyebrow { font-size: .74rem; font-weight: 850; letter-spacing: .14em; text-transform: uppercase; color: var(--violet); }
.section-title { margin: 8px 0 12px; font-size: clamp(2rem, 4vw, 4.35rem); letter-spacing: -.055em; line-height: .98; }
.section-lead { max-width: 760px; color: var(--muted); font-size: clamp(1rem, 1.4vw, 1.18rem); }
.site-header { position: sticky; top: 0; z-index: 80; background: rgba(255,255,255,.88); backdrop-filter: blur(18px); border-bottom: 1px solid rgba(7, 26, 58, .08); }
.navbar { min-height: 76px; display: flex; align-items: center; gap: 18px; }
.brand { display: inline-flex; flex-direction: column; min-width: 154px; flex:0 0 auto; }
.brand-name { font-weight: 900; letter-spacing: .08em; font-size: 1.36rem; line-height: 1; }
.brand-name span { color: var(--orange); }
.brand-sub { margin-top: 5px; font-size: .58rem; letter-spacing: .16em; font-weight: 780; white-space:nowrap; }
.main-nav { display: flex; flex:1 1 auto; justify-content:center; gap: clamp(9px, 1.05vw, 19px); align-items: center; margin-left: 0; font-size: clamp(.72rem,.68vw,.82rem); font-weight: 760; min-width:0; }
.main-nav a { position: relative; padding: 28px 0 24px; white-space:nowrap; }
.main-nav a::after { content: ''; position: absolute; left: 0; right: 100%; bottom: 17px; height: 2px; border-radius: 10px; background: linear-gradient(90deg,var(--orange),var(--violet)); transition: right .25s ease; }
.main-nav a:hover::after, .main-nav a:focus-visible::after { right: 0; }
.nav-actions { display: flex; align-items: center; gap: 8px; flex:0 0 auto; }
.nav-actions .btn { min-height:42px; padding:0 14px; border-radius:13px; font-size:.8rem; white-space:nowrap; }
.lang-switch { display: inline-flex; border: 1px solid var(--line); padding: 4px; border-radius: 14px; background: #fff; }
.lang-switch a { min-width: 34px; text-align: center; padding: 6px 7px; border-radius: 10px; font-weight: 820; font-size: .78rem; }
.lang-switch a[aria-current="page"] { background: var(--navy); color: #fff; }
.btn { border: 0; cursor: pointer; display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 48px; padding: 0 20px; border-radius: 15px; font-weight: 800; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { color: #fff; background: var(--navy); box-shadow: 0 10px 28px rgba(7,26,58,.2); }
.btn-primary:hover { background: var(--navy-2); }
.btn-gradient { color: #fff; background: linear-gradient(115deg,var(--violet),#9a4dff 52%,var(--orange)); box-shadow: 0 14px 34px rgba(118,84,255,.28); }
.btn-outline { border: 1px solid rgba(7,26,58,.2); background: rgba(255,255,255,.7); }
.menu-toggle { display: none; background: transparent; border: 0; padding: 10px; border-radius: 12px; }
.menu-toggle svg { width: 27px; height: 27px; }

.hero { position: relative; min-height: 630px; overflow: hidden; background: #f8f9fc; isolation: isolate; }
.hero::before, .hero::after { content: ''; position: absolute; inset-block: 0; width: 49.5%; background-size: cover; background-position: center; z-index: -3; }
.hero::before { left: 0; background-image: linear-gradient(90deg,rgba(255,255,255,.08),rgba(255,255,255,.7)), url('../img/hero-hispanic-clean.webp'); clip-path: ellipse(92% 89% at 5% 48%); }
.hero::after { right: 0; background-image: linear-gradient(270deg,rgba(255,255,255,.03),rgba(255,255,255,.75)), url('../img/hero-poland-clean.webp'); clip-path: ellipse(92% 89% at 95% 48%); }
.hero-glow { position:absolute; inset: 0; z-index:-2; background: radial-gradient(circle at 50% 42%,rgba(255,255,255,.98) 0 17%,rgba(255,255,255,.89) 27%,rgba(255,255,255,.2) 55%,transparent 68%); }
.hero-grid { min-height: 630px; display: grid; place-items: center; text-align: center; padding: 78px 0 95px; }
.hero-content { width: min(760px, 94%); }
.hero-title { margin: 12px 0 14px; font-size: clamp(3.4rem, 7.1vw, 7.1rem); line-height: .84; letter-spacing: -.075em; font-weight: 900; text-wrap: balance; }
.hero-title .accent { color: var(--orange); }
.hero-kicker { font-weight: 820; font-size: clamp(.95rem, 1.6vw, 1.22rem); letter-spacing: .035em; }
.hero-pair { color: var(--teal); font-weight: 900; letter-spacing: .08em; font-size: clamp(1rem, 1.8vw, 1.32rem); }
.hero-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 27px; }
.hero-trust { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 30px; }
.hero-trust span { background: rgba(255,255,255,.82); backdrop-filter: blur(10px); border: 1px solid rgba(7,26,58,.1); border-radius: 999px; padding: 8px 13px; font-size: .82rem; font-weight: 760; }

.service-rail { margin-top: -42px; position: relative; z-index: 5; }
.service-grid { background: rgba(255,255,255,.94); backdrop-filter: blur(18px); border: 1px solid rgba(7,26,58,.08); box-shadow: var(--shadow); border-radius: 26px; display: grid; grid-template-columns: repeat(4,1fr); overflow: hidden; }
.service-card { min-height: 196px; padding: 27px; position: relative; border-right: 1px solid var(--line); transition: background .25s ease, transform .25s ease; }
.service-card:last-child { border-right: 0; }
.service-card:hover { background: var(--soft); transform: translateY(-3px); }
.icon-chip { width: 48px; height: 48px; display:grid; place-items:center; border-radius: 15px; color:#fff; box-shadow: 0 10px 23px rgba(7,26,58,.16); }
.icon-chip svg { width: 25px; height: 25px; }
.c-teal { background: linear-gradient(135deg,#0bb9a7,#087a81); }
.c-orange { background: linear-gradient(135deg,#ff9a2e,#f05b05); }
.c-violet { background: linear-gradient(135deg,#9b5cff,#6542dd); }
.c-blue { background: linear-gradient(135deg,#2589ee,#0752ae); }
.service-card h3 { font-size: 1.07rem; line-height: 1.25; margin: 14px 0 8px; }
.service-card p { font-size: .87rem; color: var(--muted); min-height: 60px; }
.text-link { display: inline-flex; align-items: center; gap: 8px; font-size: .84rem; font-weight: 850; color: var(--navy); }

.section { padding: 110px 0; }
.section-soft { background: linear-gradient(180deg,#f7f9fc,#fff); }
.split { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(40px,7vw,110px); align-items: center; }
.media-shell { position: relative; min-height: 520px; border-radius: 38px; overflow:hidden; background: var(--navy); box-shadow: var(--shadow); }
.media-shell img { width:100%; height:100%; min-height:520px; object-fit:cover; opacity:.87; }
.media-shell::after { content:''; position:absolute; inset:0; background:linear-gradient(180deg,transparent 40%,rgba(7,26,58,.86)); }
.media-note { position:absolute; z-index:2; left:30px; right:30px; bottom:28px; color:#fff; }
.media-note strong { font-size:1.4rem; display:block; }
.feature-list { display:grid; gap:16px; margin-top:30px; }
.feature-item { display:grid; grid-template-columns:45px 1fr; gap:14px; align-items:start; }
.feature-item .dot { width:45px; height:45px; border-radius:15px; display:grid; place-items:center; background:rgba(118,84,255,.1); color:var(--violet); }
.feature-item h3 { margin:0 0 3px; font-size:1.02rem; }
.feature-item p { margin:0; color:var(--muted); font-size:.92rem; }

.dark-stage { background: var(--navy); color:#fff; position:relative; overflow:hidden; }
.dark-stage::before { content:''; position:absolute; width:540px; height:540px; border-radius:50%; background:radial-gradient(circle,rgba(118,84,255,.25),transparent 67%); right:-120px; top:-180px; }
.dark-stage .section-lead { color:rgba(255,255,255,.72); }
.products { display:grid; grid-template-columns: 1.1fr repeat(3,.8fr); gap:18px; align-items:stretch; margin-top:42px; }
.product-intro { padding:30px 30px 30px 0; display:flex; flex-direction:column; justify-content:center; }
.product-card { position:relative; min-height:360px; border-radius:25px; padding:22px; overflow:hidden; background:linear-gradient(155deg,rgba(255,255,255,.13),rgba(255,255,255,.035)); border:1px solid rgba(255,255,255,.14); box-shadow:0 25px 65px rgba(0,0,0,.18); display:flex; flex-direction:column; }
.product-card::before { content:''; position:absolute; width:230px; height:230px; border-radius:50%; right:-80px; top:-85px; background:var(--glow,rgba(118,84,255,.4)); filter:blur(3px); }
.product-visual { position:relative; flex:1; display:grid; place-items:center; min-height:190px; }
.book-cover { width:118px; height:174px; border-radius:4px 14px 14px 4px; color:var(--navy); background:#fff; box-shadow:16px 22px 45px rgba(0,0,0,.28); padding:24px 13px; text-align:center; font-weight:900; line-height:1.1; transform:rotate(-3deg); border-left:8px solid #e9e9e9; }
.book-cover small { display:block; color:var(--orange); margin-top:12px; font-size:.62rem; letter-spacing:.08em; }
.device { width:116px; height:211px; background:#101722; border:7px solid #03060a; border-radius:25px; padding:7px; box-shadow:15px 22px 45px rgba(0,0,0,.3); transform:rotate(3deg); }
.device-screen { width:100%; height:100%; border-radius:15px; background:linear-gradient(155deg,var(--device-a,#0b5dcc),var(--device-b,#ff9b2f)); display:grid; place-items:center; text-align:center; padding:11px; font-size:.8rem; font-weight:900; }
.device-screen span { font-size:2rem; display:block; }
.product-meta { position:relative; z-index:1; }
.product-meta small { color:rgba(255,255,255,.62); text-transform:uppercase; letter-spacing:.12em; }
.product-meta h3 { margin:5px 0 10px; font-size:1rem; }
.product-actions { display:flex; justify-content:space-between; align-items:center; gap:10px; }
.status-pill { font-size:.75rem; font-weight:800; padding:7px 9px; border-radius:999px; background:rgba(255,255,255,.1); }
.circle-btn { width:40px; height:40px; border-radius:50%; border:0; display:grid; place-items:center; background:#fff; color:var(--navy); cursor:pointer; }

.video-grid { display:grid; grid-template-columns: 1.2fr .8fr .8fr; grid-template-rows:1fr 1fr; gap:18px; margin-top:42px; }
.video-card { border-radius:27px; overflow:hidden; position:relative; min-height:240px; color:#fff; background:linear-gradient(145deg,#112e5e,#09162f); box-shadow:var(--shadow); }
.video-card:first-child { grid-row:1/3; min-height:500px; }
.video-thumb { position:absolute; inset:0; background-image:linear-gradient(180deg,rgba(7,26,58,.05),rgba(7,26,58,.9)), url('../img/language-books.webp'); background-size:cover; background-position:center; transition:transform .35s ease; }
.video-card:nth-child(2) .video-thumb { filter:hue-rotate(120deg); }
.video-card:nth-child(3) .video-thumb { filter:hue-rotate(210deg); }
.video-card:nth-child(4) .video-thumb { filter:saturate(.45) contrast(1.1); }
.video-card:hover .video-thumb { transform:scale(1.04); }
.video-info { position:absolute; inset:auto 22px 22px; z-index:2; }
.video-info .level { font-size:.72rem; padding:5px 9px; border-radius:999px; background:rgba(255,255,255,.17); backdrop-filter:blur(7px); }
.video-info h3 { margin:10px 0 5px; font-size:clamp(1.1rem,2vw,1.6rem); }
.play { position:absolute; top:22px; right:22px; z-index:2; width:52px; height:52px; border-radius:50%; background:rgba(255,255,255,.92); color:var(--navy); display:grid; place-items:center; border:0; cursor:pointer; }

.team-section { overflow:hidden; }
.team-layout { display:grid; grid-template-columns:.9fr 1.1fr; align-items:center; gap:clamp(40px,8vw,120px); }
.team-photo { position:relative; border-radius:48% 52% 42% 58% / 53% 41% 59% 47%; overflow:hidden; background:linear-gradient(135deg,#eff2f6,#fff); box-shadow:var(--shadow); }
.team-photo img { width:100%; aspect-ratio:1.24; object-fit:cover; object-position:center 20%; filter:contrast(1.04); }
.team-photo::after { content:''; position:absolute; inset:0; background:linear-gradient(120deg,rgba(255,122,23,.16),transparent 40%,rgba(8,169,154,.14)); mix-blend-mode:color; pointer-events:none; }
.signature { margin-top:22px; font-family:"Segoe Script",cursive; font-size:1.25rem; color:var(--navy); }
.pill-list { display:grid; grid-template-columns:repeat(2,1fr); gap:12px; margin-top:26px; }
.pill { border:1px solid var(--line); border-radius:18px; padding:15px; display:flex; gap:11px; align-items:center; font-weight:750; font-size:.88rem; }
.pill i { width:12px; height:12px; border-radius:50%; background:var(--c,var(--violet)); box-shadow:0 0 0 7px color-mix(in srgb,var(--c,var(--violet)) 14%,transparent); }

.contact-band { margin-bottom:-58px; position:relative; z-index:5; }
.contact-card { background:linear-gradient(120deg,var(--navy),#0a3470); color:#fff; border-radius:28px; padding:31px; display:grid; grid-template-columns:1.1fr .9fr; gap:28px; align-items:center; box-shadow:0 25px 70px rgba(7,26,58,.28); }
.contact-card h2 { margin:0 0 6px; font-size:clamp(1.5rem,3vw,2.35rem); }
.contact-card p { margin:0; color:rgba(255,255,255,.72); }
.quick-form { display:grid; grid-template-columns:1fr auto; background:#fff; border-radius:16px; padding:5px; }
.quick-form input { border:0; min-width:0; padding:0 14px; outline:0; color:var(--ink); background:transparent; }
.quick-form button { border-radius:12px; }

.site-footer { background:#041127; color:#fff; padding:110px 0 32px; }
.footer-grid { display:grid; grid-template-columns:1.2fr repeat(3,.8fr); gap:40px; }
.footer-grid h3 { font-size:.77rem; letter-spacing:.12em; text-transform:uppercase; color:rgba(255,255,255,.58); }
.footer-grid ul { padding:0; margin:14px 0 0; list-style:none; display:grid; gap:9px; }
.footer-grid a { color:rgba(255,255,255,.78); font-size:.9rem; }
.footer-grid a:hover { color:#fff; }
.footer-brand p { color:rgba(255,255,255,.65); max-width:300px; font-size:.88rem; }
.footer-bottom { border-top:1px solid rgba(255,255,255,.12); margin-top:42px; padding-top:22px; display:flex; justify-content:space-between; gap:20px; color:rgba(255,255,255,.55); font-size:.78rem; }

.toast { position:fixed; left:50%; bottom:24px; transform:translate(-50%,120px); opacity:0; z-index:999; background:#071a3a; color:#fff; padding:13px 18px; border-radius:15px; box-shadow:var(--shadow); transition:.3s ease; text-align:center; max-width:min(92vw,620px); }
.toast.show { transform:translate(-50%,0); opacity:1; }
.reveal { opacity:0; transform:translateY(22px); transition:opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity:1; transform:none; }

@media (max-width: 1280px) {
  .main-nav { position:fixed; inset:76px 18px auto; display:none; flex-direction:column; align-items:stretch; gap:0; background:#fff; border:1px solid var(--line); border-radius:22px; padding:12px; box-shadow:var(--shadow); }
  .main-nav.open { display:flex; }
  .main-nav a { padding:13px 14px; border-radius:12px; }
  .main-nav a:hover { background:var(--soft); }
  .main-nav a::after { display:none; }
  .menu-toggle { display:block; }
  .navbar { gap:12px; }
  .nav-actions { margin-left:auto; }
  .service-grid { grid-template-columns:repeat(2,1fr); }
  .service-card:nth-child(2) { border-right:0; }
  .service-card:nth-child(-n+2) { border-bottom:1px solid var(--line); }
  .products { grid-template-columns:repeat(3,1fr); }
  .product-intro { grid-column:1/-1; padding:0 0 12px; }
}
@media (max-width: 820px) {
  .container { width:min(calc(100% - 24px),var(--max)); }
  .brand { min-width:auto; }
  .brand-name { font-size:1.2rem; }
  .brand-sub { display:none; }
  .nav-actions .btn { display:none; }
  .hero { min-height:650px; }
  .hero::before,.hero::after { width:72%; opacity:.65; }
  .hero::before { clip-path:ellipse(76% 52% at 0 16%); }
  .hero::after { clip-path:ellipse(78% 52% at 100% 84%); }
  .hero-glow { background:linear-gradient(180deg,rgba(255,255,255,.7),rgba(255,255,255,.98) 28% 73%,rgba(255,255,255,.66)); }
  .hero-grid { min-height:650px; padding:110px 0 90px; }
  .hero-title { font-size:clamp(3rem,14vw,5rem); }
  .service-rail { margin-top:-30px; }
  .split,.team-layout,.contact-card { grid-template-columns:1fr; }
  .section { padding:80px 0; }
  .media-shell,.media-shell img { min-height:400px; }
  .products { grid-template-columns:1fr; }
  .product-card { min-height:330px; }
  .video-grid { grid-template-columns:1fr; grid-template-rows:auto; }
  .video-card:first-child { grid-row:auto; min-height:380px; }
  .video-card { min-height:280px; }
  .team-photo { max-width:620px; margin:auto; }
  .contact-card { text-align:center; }
  .quick-form { grid-template-columns:1fr; gap:5px; }
  .quick-form input { min-height:48px; }
  .footer-grid { grid-template-columns:repeat(2,1fr); }
}
@media (max-width: 560px) {
  .navbar { min-height:70px; }
  .main-nav { inset:70px 10px auto; }
  .lang-switch a { min-width:34px; padding:6px; }
  .service-grid { grid-template-columns:1fr; }
  .service-card { border-right:0; border-bottom:1px solid var(--line); min-height:auto; }
  .service-card:last-child { border-bottom:0; }
  .service-card p { min-height:0; }
  .hero-trust span { font-size:.74rem; }
  .pill-list { grid-template-columns:1fr; }
  .footer-grid { grid-template-columns:1fr; }
  .footer-bottom { flex-direction:column; }
  .quick-form button { width:100%; }
}
@media (prefers-reduced-motion: reduce) {
  *,*::before,*::after { scroll-behavior:auto!important; animation:none!important; transition:none!important; }
  .reveal { opacity:1; transform:none; }
}

/* RC3 — realistic product devices, product modal and restored original monochrome team image */
.team-photo img.team-photo-bw { object-position:center center; filter:grayscale(1) contrast(1.06) brightness(1.01); }
.team-photo:has(img.team-photo-bw)::after { opacity:0; }

.action-pill { border:0; cursor:pointer; font:inherit; }
.realistic-phone { position:relative; width:138px; height:268px; border:8px solid #070b12; border-radius:32px; padding:9px; background:linear-gradient(145deg,#1e2632,#020305); box-shadow:0 26px 50px rgba(0,0,0,.45), inset 0 0 0 1px rgba(255,255,255,.14); transform:rotate(2.5deg); }
.realistic-phone::before { content:''; position:absolute; inset:7px; border-radius:22px; pointer-events:none; background:linear-gradient(128deg,rgba(255,255,255,.18),transparent 23% 72%,rgba(255,255,255,.08)); z-index:2; }
.realistic-phone::after { content:''; position:absolute; right:-11px; top:70px; width:4px; height:52px; border-radius:0 5px 5px 0; background:#151b24; box-shadow:0 62px 0 #151b24; }
.phone-speaker { position:absolute; z-index:4; width:48px; height:13px; border-radius:0 0 10px 10px; background:#080b10; left:50%; top:7px; transform:translateX(-50%); }
.realistic-phone .device-screen { position:relative; z-index:1; overflow:hidden; border-radius:20px; padding:28px 10px 18px; display:flex; flex-direction:column; justify-content:center; align-items:center; gap:8px; }
.phone-gold .device-screen { background:radial-gradient(circle at 75% 10%,rgba(255,244,158,.85),transparent 25%),linear-gradient(155deg,#0c4f9d 0%,#ca7b10 100%); }
.phone-teal .device-screen { background:radial-gradient(circle at 70% 12%,rgba(142,255,231,.72),transparent 24%),linear-gradient(155deg,#074d73 0%,#12a982 100%); }
.app-symbol { font-size:1.75rem; line-height:1; filter:drop-shadow(0 5px 8px rgba(0,0,0,.25)); }
.device-title { display:block; max-width:100%; color:#fff; font-size:.69rem; line-height:1.23; letter-spacing:.025em; text-align:center; text-wrap:balance; overflow-wrap:normal; word-break:normal; text-shadow:0 2px 8px rgba(0,0,0,.35); }
.realistic-phone .device-screen small { color:rgba(255,255,255,.82); font-size:.5rem; letter-spacing:.1em; font-weight:800; text-align:center; }
.book-cover span,.book-cover b { display:block; }
.book-cover b { margin:4px 0; }
.book-cover.large { width:170px; height:250px; padding:38px 18px; font-size:1.25rem; }
.payment-preview { margin-top:22px; display:grid; grid-template-columns:repeat(4,1fr); gap:10px; }
.payment-preview span { border:1px solid rgba(255,255,255,.14); background:rgba(255,255,255,.055); border-radius:16px; padding:12px 14px; color:rgba(255,255,255,.76); font-size:.78rem; }
.payment-preview b { display:block; color:#fff; margin-bottom:2px; }

.product-modal[hidden] { display:none; }
.product-modal { position:fixed; inset:0; z-index:1200; display:grid; place-items:center; padding:24px; }
.product-modal-backdrop { position:absolute; inset:0; background:rgba(2,9,23,.74); backdrop-filter:blur(12px); }
.product-modal-panel { position:relative; width:min(1120px,100%); max-height:min(90vh,920px); overflow:auto; background:#fff; border-radius:30px; padding:32px; box-shadow:0 35px 120px rgba(0,0,0,.42); }
.modal-close { position:sticky; float:right; top:0; z-index:5; width:42px; height:42px; border:1px solid var(--line); border-radius:50%; background:#fff; color:var(--navy); font-size:1.6rem; line-height:1; cursor:pointer; box-shadow:0 10px 26px rgba(7,26,58,.12); }
.product-modal-head { display:grid; grid-template-columns:1.2fr .8fr; gap:28px; padding-right:54px; align-items:end; }
.product-modal-head h2 { margin:5px 0 0; font-size:clamp(2rem,4vw,3.6rem); line-height:.98; }
.product-modal-head p { margin:0; color:var(--muted); }
.product-tabs { display:flex; gap:9px; flex-wrap:wrap; margin:28px 0 22px; padding-bottom:16px; border-bottom:1px solid var(--line); }
.product-tabs button { border:1px solid var(--line); background:#fff; color:var(--navy); border-radius:999px; padding:11px 16px; font-weight:800; cursor:pointer; }
.product-tabs button[aria-selected="true"] { background:var(--navy); color:#fff; border-color:var(--navy); }
.product-panel { display:none; grid-template-columns:1.05fr .95fr; gap:28px; align-items:stretch; }
.product-panel.active { display:grid; }
.modal-product-copy,.youtube-showcase,.modal-media-placeholder { border:1px solid var(--line); border-radius:24px; padding:26px; background:linear-gradient(145deg,#fff,#f7f9fc); }
.modal-kicker { color:var(--violet); font-size:.72rem; letter-spacing:.13em; font-weight:900; }
.modal-product-copy h3 { font-size:clamp(1.6rem,3vw,2.5rem); margin:8px 0 12px; }
.modal-product-copy p { color:var(--muted); }
.modal-product-copy ul { padding-left:19px; display:grid; gap:8px; color:#2d3c53; }
.modal-actions { display:flex; gap:10px; flex-wrap:wrap; margin-top:22px; }
.btn-store { background:#edf2f8; color:var(--navy); border:1px solid var(--line); }
.modal-media-placeholder { min-height:390px; display:grid; place-items:center; background:radial-gradient(circle at 50% 28%,rgba(118,84,255,.17),transparent 30%),linear-gradient(145deg,#071a3a,#0d3471); }
.youtube-showcase { background:#071a3a; color:#fff; }
.youtube-showcase h4 { margin:0 0 16px; font-size:1.25rem; }
.youtube-preview { width:100%; display:grid; grid-template-columns:52px 1fr; gap:13px; align-items:center; text-align:left; border:1px solid rgba(255,255,255,.14); background:rgba(255,255,255,.075); color:#fff; border-radius:17px; padding:12px; cursor:pointer; margin-bottom:10px; }
.youtube-preview:hover { background:rgba(255,255,255,.12); }
.youtube-preview span:last-child { display:grid; gap:3px; }
.youtube-preview small { color:rgba(255,255,255,.65); }
.yt-play { width:44px; height:44px; display:grid; place-items:center; border-radius:14px; background:#ff1f27; color:#fff; box-shadow:0 10px 26px rgba(255,31,39,.28); }
.youtube-channel-link { display:block; margin-top:14px; padding:13px; border-radius:14px; text-align:center; background:#fff; color:var(--navy); font-weight:850; }
.secure-payment-note { margin-top:20px; border-radius:18px; padding:15px 18px; display:flex; gap:10px; align-items:flex-start; background:#eef5ff; color:#263a57; font-size:.84rem; }
.secure-payment-note strong { white-space:nowrap; color:var(--navy); }
body.modal-open { overflow:hidden; }

@media (max-width: 960px) {
  .payment-preview { grid-template-columns:repeat(2,1fr); }
  .product-modal-head,.product-panel { grid-template-columns:1fr; }
  .product-modal-panel { padding:24px; }
}
@media (max-width: 560px) {
  .payment-preview { grid-template-columns:1fr; }
  .product-modal { padding:8px; }
  .product-modal-panel { max-height:96vh; border-radius:22px; padding:18px; }
  .product-modal-head { padding-right:42px; gap:12px; }
  .product-tabs { flex-direction:column; }
  .product-tabs button { width:100%; }
  .modal-actions { display:grid; }
  .modal-actions .btn { width:100%; }
  .secure-payment-note { flex-direction:column; }
  .secure-payment-note strong { white-space:normal; }
}


/* RC4 — alignment with advertising campaign */
.hero-promo-line{margin:10px auto 0;width:max-content;max-width:100%;padding:8px 14px;border-radius:999px;background:rgba(255,255,255,.82);border:1px solid rgba(7,26,58,.1);font-size:.78rem;font-weight:820;letter-spacing:.025em;color:var(--navy);backdrop-filter:blur(10px)}
.platform-showcase{padding-top:92px;background:linear-gradient(180deg,#fff 0,#f8fafc 100%)}
.platform-grid{display:grid;grid-template-columns:.88fr 1.12fr;gap:clamp(36px,7vw,100px);align-items:center}
.platform-points{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:28px 0}.platform-points span{padding:12px 14px;border:1px solid var(--line);border-radius:14px;background:#fff;font-size:.88rem;font-weight:760;box-shadow:0 8px 24px rgba(7,26,58,.05)}
.platform-actions{display:flex;gap:10px;flex-wrap:wrap}.device-stage{position:relative;min-height:510px;border-radius:38px;background:linear-gradient(145deg,#eef1f5,#dfe4ea);box-shadow:var(--shadow);overflow:hidden;padding:72px 48px 42px}.device-stage::before{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,255,255,.72),transparent 55%)}.desk-glow{position:absolute;width:480px;height:300px;border-radius:50%;background:rgba(255,255,255,.9);filter:blur(50px);left:9%;top:9%}
.laptop-mockup{position:relative;width:min(78%,590px);margin:22px auto 0;z-index:2}.laptop-screen{border:12px solid #202731;border-bottom-width:16px;border-radius:20px 20px 10px 10px;background:#fff;aspect-ratio:16/10;overflow:hidden;box-shadow:0 28px 50px rgba(22,30,42,.25)}.laptop-base{height:15px;width:112%;margin-left:-6%;background:linear-gradient(#d7dbe1,#a8afb8);border-radius:3px 3px 18px 18px;box-shadow:0 16px 20px rgba(20,28,40,.18)}
.phone-mockup{position:absolute;z-index:3;right:6%;bottom:34px;width:148px;aspect-ratio:9/19.5;background:#111820;border:5px solid #111820;border-radius:29px;box-shadow:0 24px 44px rgba(14,21,32,.34);transform:rotate(1.5deg);overflow:hidden}.phone-island{position:absolute;z-index:4;top:7px;left:50%;transform:translateX(-50%);width:58px;height:16px;border-radius:999px;background:#10161c}.phone-screen{width:100%;height:100%;background:#fff;border-radius:24px;overflow:hidden}
.mini-site{height:100%;background:#fff;color:var(--navy);font-size:10px}.mini-head{height:18%;display:flex;align-items:center;gap:10px;padding:0 5%;border-bottom:1px solid #e8ebef}.mini-head b{font-size:12px;letter-spacing:.08em;margin-right:auto}.mini-head b span{color:var(--orange)}.mini-head i{width:23px;height:4px;border-radius:8px;background:#dce2ea}.mini-hero{height:82%;padding:8% 7%;background:radial-gradient(circle at 48% 18%,#fff 0 18%,rgba(255,255,255,.78) 40%,rgba(240,244,249,.88) 68%),linear-gradient(90deg,#f5dfca,#d9eaf6)}.mini-hero small{display:block;color:var(--violet);font-weight:850;letter-spacing:.08em;text-transform:uppercase}.mini-hero strong{display:block;margin:6px 0 11px;font-size:20px;line-height:1;letter-spacing:-.04em}.mini-tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:5px}.mini-tiles span{display:grid;place-items:end start;min-height:52px;padding:6px;border-radius:8px;color:#fff;font-weight:800;background:linear-gradient(145deg,#08a99a,#087a81)}.mini-tiles span:nth-child(2){background:linear-gradient(145deg,#ff9a2e,#f05b05)}.mini-tiles span:nth-child(3){background:linear-gradient(145deg,#9b5cff,#6542dd)}.mini-tiles span:nth-child(4){background:linear-gradient(145deg,#2589ee,#0752ae)}.phone-site .mini-head{height:15%;padding:14px 9% 5px}.phone-site .mini-head b{font-size:8px}.phone-site .mini-hero{height:85%;padding:22% 9% 8%}.phone-site .mini-hero strong{font-size:15px}.phone-site .mini-tiles{grid-template-columns:1fr;gap:5px}.phone-site .mini-tiles span{min-height:40px}
.free-app-section{background:#fff}.free-app-head{display:grid;grid-template-columns:1fr auto;gap:30px;align-items:end}.free-badge{display:grid;place-items:center;width:132px;height:132px;border-radius:50%;background:linear-gradient(145deg,#08a99a,#087a81);color:#fff;font-weight:930;font-size:2.15rem;box-shadow:0 20px 48px rgba(8,169,154,.26)}.free-badge small{font-size:.7rem;text-transform:uppercase;letter-spacing:.12em}.free-app-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:42px}.offer-panel{position:relative;border:1px solid var(--line);border-radius:28px;padding:32px;min-height:330px;display:flex;flex-direction:column;align-items:flex-start;box-shadow:0 18px 50px rgba(7,26,58,.08);overflow:hidden}.offer-panel::after{content:'';position:absolute;width:220px;height:220px;border-radius:50%;right:-80px;top:-95px;opacity:.16;background:currentColor}.offer-free{color:#087a81;background:linear-gradient(145deg,#f5fffd,#fff)}.offer-pack{color:#6542dd;background:linear-gradient(145deg,#f8f6ff,#fff)}.offer-panel small{font-weight:900;letter-spacing:.12em}.offer-panel h3{color:var(--navy);font-size:clamp(1.5rem,2.2vw,2.35rem);line-height:1.02;margin:12px 0}.offer-panel p{color:var(--muted);max-width:580px}.offer-panel .btn{margin-top:auto}.offer-icon{width:48px;height:48px;border-radius:15px;display:grid;place-items:center;background:currentColor;color:#fff;font-size:1.5rem;font-weight:900;margin-bottom:18px}.offer-icon::first-letter{color:#fff}.price-lockup{display:flex;align-items:baseline;gap:12px;margin:15px 0 20px;color:var(--navy)}.price-lockup strong{font-size:2.5rem;line-height:1}.price-lockup span{font-size:.78rem;color:var(--muted);font-weight:750}.price-note{text-align:center;margin:18px auto 0;color:var(--muted);font-size:.84rem}
.published-apps{position:relative;overflow:hidden}.published-apps::before{content:'';position:absolute;width:430px;height:430px;border-radius:50%;background:radial-gradient(circle,rgba(23,107,214,.12),transparent 66%);left:-180px;bottom:-200px}.published-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;margin-top:38px}.published-card{position:relative;display:grid;grid-template-columns:148px minmax(0,1fr);gap:24px;align-items:start;background:#fff;border:1px solid var(--line);border-radius:28px;padding:24px;box-shadow:0 18px 45px rgba(7,26,58,.08)}.published-card h3{font-size:1.38rem;line-height:1.08;margin:7px 0 9px}.published-card p{color:var(--muted);font-size:.9rem;margin:0 0 12px}.published-card small{font-weight:900;color:var(--violet);letter-spacing:.12em}.published-card .app-copy{display:flex;flex-direction:column;min-height:100%}.app-features{margin:0 0 16px;padding-left:18px;display:grid;gap:6px;color:#34435a;font-size:.83rem}.app-card-actions{display:flex;gap:9px;flex-wrap:wrap;margin-top:auto}.app-card-actions .btn{min-height:40px;padding:0 14px;font-size:.78rem}.app-status{display:inline-flex;align-items:center;width:max-content;max-width:100%;margin-bottom:6px;padding:5px 9px;border-radius:999px;background:#eef5ff;color:#0c4f99;font-size:.67rem!important;letter-spacing:.07em!important}.app-status.dev{background:#fff5e9;color:#9a4a00}.app-status.audit{background:#f4efff;color:#6240b2}.app-art{aspect-ratio:1;border-radius:26px;display:grid;place-items:center;align-content:center;color:#fff;box-shadow:0 18px 38px rgba(7,26,58,.18);transform:rotate(-2deg);text-align:center;padding:12px}.app-art span{font-size:.72rem;letter-spacing:.14em}.app-art b{font-size:2.15rem;line-height:.92;overflow-wrap:anywhere}.app-art-one{background:linear-gradient(145deg,#08a99a,#176bd6)}.app-art-two{background:linear-gradient(145deg,#ff7a17,#7654ff);transform:rotate(2deg)}.app-art-three{background:linear-gradient(145deg,#176bd6,#071a3a);transform:rotate(-1deg)}.app-art-four{background:linear-gradient(145deg,#ff7a17,#08a99a);transform:rotate(1deg)}.app-art-five{background:linear-gradient(145deg,#7654ff,#08a99a);transform:rotate(1.5deg)}.published-grid>.published-card:last-child:nth-child(odd){grid-column:1/-1}
.registration-section{background:linear-gradient(145deg,#06162f,#0b2d61);color:#fff;position:relative;overflow:hidden}.registration-section::before{content:'';position:absolute;width:560px;height:560px;border-radius:50%;background:radial-gradient(circle,rgba(118,84,255,.34),transparent 68%);right:-180px;top:-210px}.registration-section .section-lead{color:rgba(255,255,255,.74)}.registration-hero{display:grid;grid-template-columns:1fr auto;gap:30px;align-items:end}.registration-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:38px}.registration-card{border:1px solid rgba(255,255,255,.15);border-radius:24px;padding:26px;background:rgba(255,255,255,.07);backdrop-filter:blur(10px)}.registration-card>span{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:12px;background:#fff;color:var(--navy);font-weight:900}.registration-card h3{margin:18px 0 7px;font-size:1.15rem}.registration-card p{margin:0;color:rgba(255,255,255,.72);font-size:.9rem}
@media(max-width:1100px){.platform-grid{grid-template-columns:1fr}.device-stage{min-height:470px}.published-card{grid-template-columns:126px 1fr}.registration-hero{grid-template-columns:1fr}.registration-hero .btn{justify-self:start}}
@media(max-width:760px){.platform-points,.free-app-grid,.published-grid,.registration-grid{grid-template-columns:1fr}.device-stage{min-height:360px;padding:54px 24px 28px}.laptop-mockup{width:86%}.phone-mockup{width:104px;right:4%;bottom:26px;border-radius:23px}.phone-island{width:42px;height:12px}.mini-head i{display:none}.mini-tiles{grid-template-columns:repeat(2,1fr)}.mini-tiles span{min-height:38px}.free-app-head{grid-template-columns:1fr}.free-badge{width:105px;height:105px;font-size:1.75rem}.published-card{grid-template-columns:108px 1fr;padding:18px;gap:16px}.registration-grid{gap:12px}.hero-promo-line{width:auto;font-size:.7rem}.platform-actions{display:grid}.platform-actions .btn{width:100%}}
@media(max-width:460px){.published-card{grid-template-columns:1fr}.app-art{width:112px}.device-stage{min-height:310px}.phone-mockup{width:90px}.mini-hero strong{font-size:14px}.free-badge{display:none}}


/* RC5 · learning-media corrections */
.video-subline{margin:.6rem 0 0;color:rgba(255,255,255,.78);font-size:.92rem;line-height:1.45;max-width:38ch}
.pronunciation-thumb{filter:none!important;background-image:linear-gradient(180deg,rgba(7,26,58,.05),rgba(7,26,58,.88)),url('../media/pronunciation/posters/es_rr_fuerte.jpg')!important;background-position:center!important}
.pending-play{font-size:1.6rem;text-decoration:none}
.contest-card .level{max-width:fit-content}
.inner-learning-page{background:#f7f9fd;color:var(--ink)}
.mini-header{height:76px;padding:0 max(24px,calc((100vw - 1180px)/2));display:flex;align-items:center;justify-content:space-between;background:#fff;border-bottom:1px solid #e8edf5;position:sticky;top:0;z-index:50}
.mini-header nav{display:flex;gap:18px}.mini-header a{text-decoration:none;color:var(--ink);font-weight:750}.mini-brand{font-size:1.15rem;letter-spacing:.06em}.mini-brand small{display:block;font-size:.56rem;color:var(--muted);letter-spacing:.12em;margin-top:2px}
.inner-hero{padding:88px max(24px,calc((100vw - 1180px)/2)) 60px;background:radial-gradient(circle at 85% 10%,rgba(23,107,214,.13),transparent 32%),linear-gradient(180deg,#fff,#f5f8fe)}
.inner-hero h1{font-size:clamp(2.7rem,6vw,5.8rem);line-height:.94;max-width:1000px;margin:12px 0 24px;letter-spacing:-.045em}.inner-hero p{font-size:1.15rem;line-height:1.75;color:var(--muted);max-width:850px}.inner-hero .btn{margin-top:22px}.inner-content{max-width:1180px;margin:0 auto;padding:60px 24px 92px}
.dialogue-series-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.learning-card{background:#fff;border:1px solid #e6ebf4;border-radius:28px;padding:32px;box-shadow:0 20px 55px rgba(12,31,66,.08)}.learning-card h2{font-size:2rem;margin:12px 0}.learning-card p{color:var(--muted);line-height:1.7}.sample-lines{margin-top:24px;padding:20px;border-radius:18px;background:#f4f7fc;display:grid;gap:8px}.sample-lines span{color:var(--muted)}
.status-note{margin-top:24px;border-radius:16px;padding:15px 18px;background:#fff6e8;border:1px solid #ffd8a8;color:#7c4a00;font-weight:700}.status-note.strong{display:inline-block;margin-top:18px}
.pron-source-note{margin-top:20px;font-size:.95rem;color:#53637a}.pron-layout{display:grid;grid-template-columns:minmax(360px,.8fr) 1.2fr;gap:30px;align-items:start}.pron-player-wrap{position:sticky;top:100px;background:#071a3a;border-radius:28px;padding:18px;color:#fff;box-shadow:0 24px 70px rgba(7,26,58,.22)}.pron-main-video{width:100%;aspect-ratio:16/9;background:#000;border-radius:18px}.pron-now{padding:16px 6px 4px}.pron-now span{font-size:.72rem;text-transform:uppercase;letter-spacing:.16em;color:#8fbfff}.pron-now h2{margin:6px 0;font-size:1.5rem}.pron-now p{margin:0;color:#c8d5e8}.pron-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.pron-card{display:grid;grid-template-columns:96px 1fr auto;align-items:center;gap:14px;text-align:left;border:1px solid #e4e9f2;background:#fff;border-radius:18px;padding:10px;cursor:pointer;transition:.2s;box-shadow:0 10px 30px rgba(12,31,66,.05)}.pron-card:hover,.pron-card.active{transform:translateY(-2px);border-color:#77a9ff;box-shadow:0 16px 35px rgba(23,107,214,.12)}.pron-card img{width:96px;height:62px;object-fit:cover;border-radius:12px}.pron-card b{display:block;font-size:.95rem}.pron-card small{display:block;margin-top:5px;color:var(--muted);line-height:1.35}.pron-card i{font-style:normal;width:32px;height:32px;border-radius:50%;display:grid;place-items:center;background:#eff5ff;color:#0c4f9f}
.contest-steps{display:grid;grid-template-columns:1fr 1fr;gap:20px}.contest-steps article{background:#fff;border:1px solid #e5eaf2;border-radius:24px;padding:28px}.contest-steps article>b{color:#176bd6;font-size:1.2rem}.contest-steps h2{font-size:1.55rem;margin:8px 0}.contest-steps p{color:var(--muted);line-height:1.65}.contest-cta{margin-top:28px;background:#071a3a;color:#fff;border-radius:28px;padding:32px}.contest-cta p{color:#cad6e8;max-width:800px}.mini-footer{display:flex;justify-content:space-between;gap:20px;padding:30px max(24px,calc((100vw - 1180px)/2));background:#071a3a;color:#fff}.mini-footer a{color:#fff}
@media(max-width:900px){.pron-layout{grid-template-columns:1fr}.pron-player-wrap{position:relative;top:auto}.dialogue-series-grid,.contest-steps{grid-template-columns:1fr}.pron-grid{grid-template-columns:1fr}.mini-header nav a:last-child{display:none}}
@media(max-width:560px){.inner-hero{padding-top:56px}.inner-hero h1{font-size:2.6rem}.pron-card{grid-template-columns:76px 1fr auto}.pron-card img{width:76px;height:56px}.mini-header{height:68px}.mini-footer{flex-direction:column}.video-subline{font-size:.85rem}}

/* RC5 — video, pronunciation and dialogues coherence */
.media-learning-section{background:linear-gradient(180deg,#fff 0%,#f7f9fc 100%)}
.media-path-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:38px}
.media-path-card{position:relative;overflow:hidden;border:1px solid var(--line);border-radius:28px;padding:30px;background:#fff;box-shadow:0 18px 50px rgba(7,26,58,.08)}
.media-path-card::after{content:'';position:absolute;width:220px;height:220px;border-radius:50%;right:-100px;top:-110px;background:radial-gradient(circle,rgba(118,84,255,.16),transparent 68%);pointer-events:none}
.media-path-card.pronunciation-path::after{background:radial-gradient(circle,rgba(8,169,154,.16),transparent 68%)}
.media-path-top{display:flex;justify-content:space-between;gap:12px;align-items:center;flex-wrap:wrap}
.media-path-tag{font-size:.7rem;font-weight:900;letter-spacing:.13em;color:var(--violet)}
.status-chip{font-size:.68rem;font-weight:850;padding:6px 9px;border-radius:999px;background:#f1f3f7;color:#59687a}.status-chip.status-live{background:#e9fbf7;color:#087a81}
.media-path-card h3{font-size:clamp(1.45rem,2.4vw,2.35rem);line-height:1.04;margin:16px 0 10px;color:var(--navy)}
.media-path-card p{color:var(--muted);max-width:760px}
.media-path-actions,.dialogue-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}
.pronunciation-library,.dialogues-hub{margin-top:24px;border:1px solid var(--line);border-radius:30px;background:#fff;padding:28px;box-shadow:0 18px 50px rgba(7,26,58,.06)}
.media-subhead{display:grid;grid-template-columns:1fr minmax(240px,430px);gap:28px;align-items:end;margin-bottom:22px}.media-subhead h3{font-size:clamp(1.45rem,2.5vw,2.4rem);margin:7px 0 0;color:var(--navy)}.media-subhead p{margin:0;color:var(--muted)}
.pronunciation-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.pronunciation-card{margin:0;border:1px solid var(--line);border-radius:20px;overflow:hidden;background:#f8fafc;box-shadow:0 10px 28px rgba(7,26,58,.06)}
.pronunciation-card video{width:100%;aspect-ratio:16/9;display:block;background:#06162f;object-fit:cover}
.pronunciation-card figcaption{display:flex;gap:9px;align-items:flex-start;padding:12px 13px;min-height:58px}.pronunciation-card figcaption b{color:var(--navy);white-space:nowrap}.pronunciation-card figcaption span{font-size:.78rem;line-height:1.35;color:var(--muted)}
.dialogue-card{display:grid;grid-template-columns:74px 1fr;gap:20px;align-items:start;padding:22px;border-radius:22px;background:linear-gradient(145deg,#f7fbff,#fff);border:1px solid #dce6f2}
.dialogue-number{width:58px;height:58px;border-radius:18px;display:grid;place-items:center;background:linear-gradient(145deg,#176bd6,#071a3a);color:#fff;font-weight:950;font-size:1.1rem;box-shadow:0 12px 28px rgba(23,107,214,.22)}
.dialogue-card .level{display:inline-block;font-size:.7rem;padding:5px 9px;border-radius:999px;background:#edf4ff;color:#0752ae;font-weight:900}.dialogue-card h4{font-size:clamp(1.25rem,2vw,1.8rem);margin:9px 0 8px;color:var(--navy)}.dialogue-card p{color:var(--muted);margin:0}
@media(max-width:980px){.pronunciation-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){.media-path-grid,.media-subhead{grid-template-columns:1fr}.pronunciation-library,.dialogues-hub{padding:20px}.dialogue-card{grid-template-columns:1fr}.media-path-actions,.dialogue-actions{display:grid}.media-path-actions .btn,.dialogue-actions .btn{width:100%}}
@media(max-width:480px){.pronunciation-grid{grid-template-columns:1fr}}
/* RC5 home learning routes */
.learning-route-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:40px}
.learning-route-card{position:relative;display:flex;flex-direction:column;align-items:flex-start;min-height:480px;border:1px solid var(--line);border-radius:28px;padding:28px;background:#fff;box-shadow:0 18px 50px rgba(7,26,58,.08);overflow:hidden}
.learning-route-card::before{content:'';position:absolute;inset:0 0 auto;height:5px;background:linear-gradient(90deg,#176bd6,#7654ff)}
.route-pron::before{background:linear-gradient(90deg,#08a99a,#176bd6)}.route-dialogues::before{background:linear-gradient(90deg,#ff8a19,#7654ff)}
.route-head{display:flex;justify-content:space-between;gap:10px;align-items:center;width:100%;flex-wrap:wrap}.route-head span{font-size:.7rem;letter-spacing:.13em;font-weight:950;color:var(--violet)}.route-head i{font-style:normal;font-size:.67rem;font-weight:850;border-radius:999px;padding:6px 9px;background:#f1f3f7;color:#657386}.route-head i.live{background:#e9fbf7;color:#087a81}
.learning-route-card h3{font-size:clamp(1.35rem,2.2vw,2rem);line-height:1.06;margin:18px 0 10px;color:var(--navy)}.learning-route-card>p{color:var(--muted);margin:0 0 18px}.learning-route-card>.btn{margin-top:auto}
.route-mini-steps{display:grid;grid-template-columns:1fr 1fr;gap:8px;width:100%;margin:8px 0 24px}.route-mini-steps b{padding:10px 11px;border-radius:12px;background:#f4f7fb;color:#253a57;font-size:.75rem}
.pron-preview-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:7px;width:100%;margin:5px 0 23px}.pron-preview-strip img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:12px;border:1px solid var(--line)}
.dialogue-inside{width:100%;padding:16px;border-radius:17px;background:linear-gradient(145deg,#f8fbff,#fff4ea);border:1px solid #e4e9ef;margin:5px 0 23px}.dialogue-inside small{display:block;font-size:.65rem;font-weight:900;letter-spacing:.11em;color:var(--orange);margin-bottom:7px}.dialogue-inside strong{display:block;color:var(--navy);line-height:1.15}.dialogue-inside span{display:block;margin-top:8px;color:var(--muted);font-size:.78rem;line-height:1.45}
@media(max-width:980px){.learning-route-grid{grid-template-columns:1fr 1fr}.route-dialogues{grid-column:1/-1;min-height:auto}}
@media(max-width:680px){.learning-route-grid{grid-template-columns:1fr}.route-dialogues{grid-column:auto}.learning-route-card{min-height:auto}.learning-route-card>.btn{margin-top:12px}}


/* RC6 — introductory video integrated into homepage */
.hero-video-link{display:inline-flex;align-items:center;gap:7px;padding:12px 2px;color:var(--navy);font-size:.84rem;font-weight:900;text-decoration:none;white-space:nowrap}
.hero-video-link:hover{color:var(--violet)}
.intro-video-section{position:relative;padding:74px 0;background:linear-gradient(135deg,#06172f 0%,#0a2e61 58%,#241641 100%);color:#fff;overflow:hidden}
.intro-video-section::before{content:'';position:absolute;width:440px;height:440px;border-radius:50%;right:-140px;top:-210px;background:radial-gradient(circle,rgba(41,211,255,.24),transparent 68%);pointer-events:none}
.intro-video-section::after{content:'';position:absolute;width:380px;height:380px;border-radius:50%;left:-170px;bottom:-220px;background:radial-gradient(circle,rgba(255,177,51,.16),transparent 68%);pointer-events:none}
.intro-video-grid{position:relative;z-index:1;display:grid;grid-template-columns:.78fr 1.22fr;gap:clamp(28px,5vw,72px);align-items:center}
.intro-video-copy .eyebrow{color:#64e4ff}
.intro-video-copy .section-title{color:#fff;margin-bottom:18px}
.intro-video-copy .section-lead{color:rgba(255,255,255,.78);max-width:620px}
.intro-video-notes{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px}
.intro-video-notes span{padding:8px 11px;border-radius:999px;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.07);font-size:.76rem;font-weight:800;color:rgba(255,255,255,.9)}
.intro-video-frame{position:relative;border-radius:26px;padding:8px;background:linear-gradient(135deg,rgba(100,228,255,.7),rgba(255,177,51,.36),rgba(118,84,255,.7));box-shadow:0 30px 80px rgba(0,0,0,.34)}
.intro-video-frame::before{content:'TRADUES · 00:53';position:absolute;z-index:2;top:19px;left:20px;padding:7px 10px;border-radius:999px;background:rgba(4,13,30,.72);backdrop-filter:blur(10px);color:#fff;font-size:.7rem;font-weight:900;letter-spacing:.07em;pointer-events:none}
.intro-video-frame video{display:block;width:100%;aspect-ratio:16/9;border-radius:20px;background:#030a15;object-fit:cover}
@media (max-width:960px){.intro-video-grid{grid-template-columns:1fr}.intro-video-copy{max-width:760px}.intro-video-frame{width:100%}}
@media (max-width:560px){.intro-video-section{padding:52px 0}.intro-video-frame{border-radius:20px;padding:5px}.intro-video-frame video{border-radius:16px}.intro-video-frame::before{top:13px;left:13px}.hero-video-link{width:100%;justify-content:center;padding:8px 0}.intro-video-notes{gap:6px}.intro-video-notes span{font-size:.69rem}}


/* RC6.1 — intro video visible in the first screen */
.hero-intro-card{position:absolute;right:clamp(18px,2.6vw,52px);bottom:78px;width:min(390px,29vw);z-index:4;padding:10px;border:1px solid rgba(255,255,255,.78);border-radius:24px;background:rgba(5,22,48,.92);box-shadow:0 22px 58px rgba(3,18,42,.28);backdrop-filter:blur(16px);color:#fff;text-align:left}
.hero-intro-card::before{content:'';position:absolute;inset:-1px;border-radius:24px;padding:1px;background:linear-gradient(135deg,rgba(46,210,255,.9),rgba(255,178,47,.55),rgba(125,84,255,.55));-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}
.hero-intro-card video{display:block;width:100%;aspect-ratio:16/9;object-fit:cover;background:#020912;border:0;border-radius:17px;box-shadow:inset 0 0 0 1px rgba(255,255,255,.1)}
.hero-intro-head{display:flex;align-items:center;gap:9px;padding:3px 4px 9px;font-size:.78rem;line-height:1.2}
.hero-intro-head strong{font-weight:820}
.hero-intro-badge{flex:0 0 auto;border-radius:999px;background:#ff7a16;color:#fff;padding:7px 9px;font-size:.68rem;font-weight:900;letter-spacing:.04em}
.hero-intro-foot{display:flex;justify-content:space-between;gap:10px;padding:8px 4px 1px;color:rgba(255,255,255,.75);font-size:.66rem;font-weight:720}
.hero-video-link{border-radius:999px;padding:11px 14px!important;background:#ff7a16;color:#fff!important;box-shadow:0 9px 20px rgba(255,122,22,.2)}
.hero-video-link:hover{background:#e96709;color:#fff!important}
@media (max-width:1499px){.hero{min-height:auto}.hero-grid{min-height:auto;padding-bottom:58px}.hero-intro-card{position:relative;right:auto;bottom:auto;width:min(620px,92vw);margin:36px auto 0}.hero-content{width:min(760px,94%)} }
@media (max-width:700px){.hero-intro-card{width:94%;border-radius:20px;padding:7px}.hero-intro-card video{border-radius:14px}.hero-intro-head{align-items:flex-start;flex-direction:column}.hero-intro-foot{font-size:.61rem}.hero-grid{padding-bottom:48px}}


/* RC7 — proportional navigation, modal information windows and expanded app catalogue */
.text-link[data-open-info], .main-nav a[data-open-info] { cursor:pointer; }
.info-modal[hidden]{display:none}
.info-modal{position:fixed;inset:0;z-index:1300;display:grid;place-items:center;padding:24px}
.info-modal-backdrop{position:absolute;inset:0;background:rgba(2,9,23,.74);backdrop-filter:blur(12px)}
.info-modal-panel{position:relative;width:min(980px,100%);max-height:min(90vh,880px);overflow:auto;background:#fff;border-radius:30px;padding:34px;box-shadow:0 35px 120px rgba(0,0,0,.42)}
.info-panel{display:none}
.info-panel.active{display:block}
.info-panel .info-kicker{display:inline-flex;padding:6px 10px;border-radius:999px;background:#eef3ff;color:var(--violet);font-size:.7rem;font-weight:900;letter-spacing:.1em;text-transform:uppercase}
.info-panel h2{margin:10px 54px 10px 0;font-size:clamp(2rem,4vw,3.45rem);line-height:.98;letter-spacing:-.045em}
.info-panel>.info-lead{max-width:800px;margin:0 0 24px;color:var(--muted);font-size:1rem}
.info-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.info-card{border:1px solid var(--line);border-radius:20px;padding:19px;background:linear-gradient(145deg,#fff,#f7f9fc)}
.info-card h3{margin:0 0 7px;font-size:1rem}
.info-card p{margin:0;color:var(--muted);font-size:.88rem}
.info-list{margin:0;padding-left:19px;display:grid;gap:7px;color:#34435a;font-size:.9rem}
.info-contact-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:20px}
.info-contact-grid a{display:block;border:1px solid var(--line);border-radius:18px;padding:16px;background:#fff;font-weight:820;color:var(--navy)}
.info-contact-grid span{display:block;margin-top:3px;color:var(--muted);font-size:.78rem;font-weight:600}
.modal-visual-card{min-height:390px;display:grid;align-content:center;gap:13px;padding:28px;border-radius:24px;background:linear-gradient(145deg,#071a3a,#0d3471);color:#fff}
.modal-visual-card strong{font-size:clamp(1.8rem,3vw,3rem);line-height:1}
.modal-visual-card p{margin:0;color:rgba(255,255,255,.74)}
.modal-visual-card .mini-tags{display:flex;gap:7px;flex-wrap:wrap}
.modal-visual-card .mini-tags span{padding:7px 9px;border-radius:999px;background:rgba(255,255,255,.11);border:1px solid rgba(255,255,255,.15);font-size:.72rem;font-weight:760}
.app-specs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin:18px 0 0}
.app-specs div{border:1px solid var(--line);border-radius:14px;padding:10px 12px;background:#fff}
.app-specs dt{font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-weight:850}
.app-specs dd{margin:2px 0 0;font-size:.85rem;font-weight:780;color:var(--navy)}
@media(max-width:1280px){.site-header .brand{min-width:145px}.site-header .nav-actions .btn{font-size:.78rem}}
@media(max-width:760px){.info-modal{padding:8px}.info-modal-panel{max-height:96vh;border-radius:22px;padding:19px}.info-grid,.info-contact-grid,.app-specs{grid-template-columns:1fr}.info-panel h2{margin-right:42px}.published-card .app-card-actions{display:grid}.published-card .app-card-actions .btn{width:100%}}

/* RC8 — professional information experience, responsive navigation and clean hero imagery */
.hero::before{background-position:center 46%}
.hero::after{background-position:center 47%}

.info-modal{padding:clamp(10px,2vw,28px)}
.info-modal-backdrop{background:rgba(1,8,22,.79);backdrop-filter:blur(18px) saturate(.9)}
.info-modal-panel-pro{
  width:min(1180px,calc(100vw - 32px));
  max-height:min(92vh,940px);
  padding:0;
  overflow:auto;
  overscroll-behavior:contain;
  border-radius:32px;
  border:1px solid rgba(255,255,255,.24);
  background:#f5f7fb;
  box-shadow:0 42px 140px rgba(0,0,0,.52);
  scrollbar-gutter:stable;
}
.info-modal-panel-pro::-webkit-scrollbar{width:10px}
.info-modal-panel-pro::-webkit-scrollbar-track{background:transparent}
.info-modal-panel-pro::-webkit-scrollbar-thumb{background:#c7d0dd;border-radius:999px;border:3px solid #f5f7fb}
.modal-close-pro{
  position:sticky;
  float:right;
  top:18px;
  z-index:20;
  width:46px;
  height:46px;
  margin:18px 18px -64px 0;
  border:1px solid rgba(255,255,255,.35);
  background:rgba(5,20,45,.88);
  color:#fff;
  box-shadow:0 14px 34px rgba(5,20,45,.28);
  backdrop-filter:blur(14px);
}
.modal-close-pro:hover{background:#fff;color:var(--navy);transform:rotate(3deg)}
.info-panel-pro{min-height:100%;background:#f5f7fb}
.info-panel-pro.active{display:block}
.info-panel-pro h2{margin:14px 0 16px;font-size:clamp(2.25rem,4.4vw,4.4rem);line-height:.94;letter-spacing:-.055em;text-wrap:balance}
.info-panel-pro .info-lead{margin:0;color:#536176;font-size:clamp(.96rem,1.2vw,1.08rem);line-height:1.67;max-width:690px}

.info-hero{
  --hero-accent:118,84,255;
  position:relative;
  isolation:isolate;
  display:grid;
  grid-template-columns:minmax(0,1.08fr) minmax(340px,.82fr);
  gap:clamp(24px,3.8vw,56px);
  align-items:stretch;
  min-height:390px;
  padding:clamp(34px,5vw,70px);
  background:
    radial-gradient(circle at 9% 12%,rgba(var(--hero-accent),.12),transparent 31%),
    linear-gradient(145deg,#fff 0%,#fbfcff 62%,#f1f4fa 100%);
  overflow:hidden;
}
.info-hero::before{content:'';position:absolute;z-index:-1;width:330px;height:330px;border-radius:50%;right:29%;bottom:-240px;background:radial-gradient(circle,rgba(var(--hero-accent),.17),transparent 67%)}
.info-hero::after{content:'';position:absolute;z-index:-1;left:0;right:0;bottom:0;height:1px;background:linear-gradient(90deg,transparent,rgba(7,26,58,.14),transparent)}
.info-hero--translations{--hero-accent:8,169,154}
.info-hero--learning{--hero-accent:118,84,255}
.info-hero--freeapp{--hero-accent:8,169,154}
.info-hero--books{--hero-accent:255,122,23}
.info-hero--apps{--hero-accent:23,107,214}
.info-hero--videos{--hero-accent:118,84,255}
.info-hero--registration{--hero-accent:23,107,214}
.info-hero--about{--hero-accent:255,122,23}
.info-hero--contact{--hero-accent:8,169,154}
.info-hero-copy{display:flex;flex-direction:column;justify-content:center;min-width:0;padding-right:6px}
.info-panel-pro .info-kicker{
  display:inline-flex;
  align-self:flex-start;
  padding:8px 12px;
  border:1px solid rgba(var(--hero-accent),.15);
  background:rgba(var(--hero-accent),.09);
  color:rgb(var(--hero-accent));
  border-radius:999px;
  font-size:.68rem;
  font-weight:900;
  letter-spacing:.12em;
  text-transform:uppercase;
}
.info-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:25px}
.info-badges span{padding:8px 11px;border:1px solid rgba(7,26,58,.09);border-radius:999px;background:rgba(255,255,255,.78);box-shadow:0 6px 18px rgba(7,26,58,.045);color:#283b58;font-size:.73rem;font-weight:820;white-space:nowrap}
.info-hero-media{position:relative;min-height:330px;margin:0;border-radius:27px;overflow:hidden;background:#dfe5ef;box-shadow:0 26px 60px rgba(7,26,58,.19)}
.info-hero-media::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 48%,rgba(3,16,36,.78));pointer-events:none}
.info-hero-media img{width:100%;height:100%;min-height:330px;object-fit:cover;object-position:center;transition:transform .6s ease}
.info-hero-media:hover img{transform:scale(1.025)}
.info-hero-media figcaption{position:absolute;z-index:2;left:20px;right:20px;bottom:18px;padding:0;color:#fff;font-size:.78rem;line-height:1.45;font-weight:700;text-shadow:0 2px 12px rgba(0,0,0,.42)}
.info-hero-media--team img{object-position:center 28%}

.info-content-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,340px);gap:24px;padding:30px clamp(24px,4vw,54px) clamp(36px,4.5vw,58px)}
.info-main-stack{min-width:0;padding:8px 0}
.info-section-head{display:flex;align-items:flex-start;gap:15px;margin-bottom:20px}
.info-section-head>span{display:grid;place-items:center;flex:0 0 44px;width:44px;height:44px;border-radius:14px;background:var(--navy);color:#fff;font-size:.72rem;font-weight:900;letter-spacing:.06em;box-shadow:0 10px 24px rgba(7,26,58,.18)}
.info-section-head h3{margin:0 0 3px;color:var(--navy);font-size:1.2rem;line-height:1.15}
.info-section-head p{margin:0;color:var(--muted);font-size:.84rem}
.info-feature-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.info-feature{position:relative;min-height:148px;padding:20px;border:1px solid rgba(7,26,58,.1);border-radius:20px;background:rgba(255,255,255,.84);box-shadow:0 12px 32px rgba(7,26,58,.05);overflow:hidden}
.info-feature::before{content:'';position:absolute;width:76px;height:76px;border-radius:50%;right:-35px;top:-38px;background:rgba(118,84,255,.08)}
.info-feature b{display:block;margin-bottom:7px;color:var(--navy);font-size:.91rem;line-height:1.3}
.info-feature p{margin:0;color:var(--muted);font-size:.81rem;line-height:1.55}

.info-side-card{position:relative;align-self:start;padding:25px;border:1px solid rgba(7,26,58,.1);border-radius:24px;background:#fff;box-shadow:0 18px 45px rgba(7,26,58,.08);overflow:hidden}
.info-side-card::after{content:'';position:absolute;width:180px;height:180px;border-radius:50%;right:-90px;bottom:-100px;background:radial-gradient(circle,rgba(118,84,255,.14),transparent 65%);pointer-events:none}
.info-side-card--dark{background:linear-gradient(155deg,#06172f,#0b3268);border-color:rgba(255,255,255,.11);color:#fff;box-shadow:0 22px 55px rgba(4,17,39,.22)}
.info-side-card--accent{background:linear-gradient(155deg,#f0fbf9,#fff);border-color:rgba(8,169,154,.2)}
.side-eyebrow{display:block;margin-bottom:10px;color:var(--violet);font-size:.66rem;font-weight:900;letter-spacing:.13em;text-transform:uppercase}
.info-side-card--dark .side-eyebrow{color:#79e9dc}
.info-side-card h3{margin:0 0 10px;color:var(--navy);font-size:1.45rem;line-height:1.05;letter-spacing:-.025em}
.info-side-card--dark h3{color:#fff}
.info-side-card>p{margin:0 0 18px;color:var(--muted);font-size:.84rem;line-height:1.6}
.info-side-card--dark>p{color:rgba(255,255,255,.73)}
.info-cta{width:100%;margin-top:18px}
.side-actions{display:grid;gap:9px;margin-top:20px}
.side-actions .btn{width:100%;min-height:45px;font-size:.8rem}
.info-steps{list-style:none;margin:8px 0 20px;padding:0;display:grid;gap:12px}
.info-steps li{display:grid;grid-template-columns:36px 1fr;gap:10px;align-items:start}
.info-steps b{display:grid;place-items:center;width:34px;height:34px;border-radius:11px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.14);color:#fff;font-size:.68rem}
.info-steps span{padding-top:5px;color:rgba(255,255,255,.79);font-size:.78rem;line-height:1.45}

.learning-flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:9px;margin-bottom:14px}
.learning-flow>div{min-height:132px;padding:16px;border-radius:18px;background:linear-gradient(145deg,#071a3a,#0d3471);color:#fff}
.learning-flow b{display:grid;place-items:center;width:29px;height:29px;border-radius:9px;background:rgba(255,255,255,.12);font-size:.72rem}
.learning-flow strong{display:block;margin:13px 0 4px;font-size:.86rem}
.learning-flow span{display:block;color:rgba(255,255,255,.68);font-size:.72rem;line-height:1.4}
.price-pair{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}
.price-pair>div{min-width:145px;padding:13px 15px;border:1px solid rgba(7,26,58,.09);border-radius:17px;background:rgba(255,255,255,.82);box-shadow:0 10px 26px rgba(7,26,58,.06)}
.price-pair small{display:block;color:var(--muted);font-size:.66rem;font-weight:850;text-transform:uppercase;letter-spacing:.08em}
.price-pair strong{display:block;margin-top:2px;color:var(--navy);font-size:1.45rem;line-height:1}
.registration-options{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.registration-options>div{padding:19px;border:1px solid var(--line);border-radius:20px;background:#fff;box-shadow:0 10px 28px rgba(7,26,58,.05)}
.registration-options strong{display:block;margin-bottom:7px;color:var(--navy)}
.registration-options p{margin:0;color:var(--muted);font-size:.8rem;line-height:1.55}

.app-showcase-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px;padding:30px clamp(24px,4vw,54px) 18px}
.app-showcase-card{position:relative;display:grid;grid-template-columns:46px 1fr;gap:14px;min-height:215px;padding:22px;border:1px solid rgba(7,26,58,.1);border-radius:22px;background:#fff;box-shadow:0 15px 38px rgba(7,26,58,.065);overflow:hidden;transition:transform .2s ease,box-shadow .2s ease}
.app-showcase-card:hover{transform:translateY(-3px);box-shadow:0 22px 46px rgba(7,26,58,.11)}
.app-showcase-card::before{content:'';position:absolute;inset:0 auto 0 0;width:4px;background:linear-gradient(var(--violet),var(--orange))}
.app-index{display:grid;place-items:center;align-self:start;width:42px;height:42px;border-radius:14px;background:#eef2ff;color:var(--violet);font-size:.72rem;font-weight:900}
.app-showcase-card small{display:block;color:var(--violet);font-size:.62rem;font-weight:900;letter-spacing:.1em;line-height:1.35}
.app-showcase-card h3{margin:6px 0 8px;color:var(--navy);font-size:1.13rem;line-height:1.05}
.app-showcase-card p{margin:0 0 14px;color:var(--muted);font-size:.79rem;line-height:1.5}
.app-showcase-card button{margin-top:auto;padding:0;border:0;background:transparent;color:var(--navy);font-weight:900;font-size:.78rem;cursor:pointer}
.app-showcase-card button:hover{color:var(--violet)}
.info-status-note{display:flex;gap:10px;align-items:flex-start;margin:0 clamp(24px,4vw,54px) clamp(36px,4.5vw,58px);padding:15px 18px;border:1px solid #dfe7f4;border-radius:18px;background:#edf4ff;color:#3c4b62;font-size:.8rem}
.info-status-note strong{flex:0 0 auto;color:var(--navy)}

.about-values{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;padding:30px clamp(24px,4vw,54px) clamp(40px,4.5vw,58px)}
.about-values>div{padding:23px;border:1px solid var(--line);border-radius:22px;background:#fff;box-shadow:0 14px 36px rgba(7,26,58,.055)}
.about-values span{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:#fff2e8;color:#c85200;font-size:.68rem;font-weight:900}
.about-values h3{margin:16px 0 7px;color:var(--navy);font-size:1.04rem}
.about-values p{margin:0;color:var(--muted);font-size:.81rem;line-height:1.55}

.contact-pro-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;padding:30px clamp(24px,4vw,54px) 14px}
.contact-pro-grid>a{display:grid;grid-template-columns:48px 1fr auto;gap:13px;align-items:center;min-height:132px;padding:20px;border:1px solid var(--line);border-radius:22px;background:#fff;box-shadow:0 14px 36px rgba(7,26,58,.055);transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease}
.contact-pro-grid>a:hover{transform:translateY(-3px);border-color:rgba(118,84,255,.3);box-shadow:0 21px 42px rgba(7,26,58,.1)}
.contact-pro-icon{display:grid;place-items:center;width:46px;height:46px;border-radius:15px;background:linear-gradient(145deg,#071a3a,#176bd6);color:#fff;font-size:.73rem;font-weight:900}
.contact-pro-grid small{display:block;color:var(--muted);font-size:.61rem;font-weight:900;letter-spacing:.09em}
.contact-pro-grid strong{display:block;margin:2px 0;color:var(--navy);font-size:.9rem;overflow-wrap:anywhere}
.contact-pro-grid p{margin:0;color:var(--muted);font-size:.72rem;line-height:1.4}
.contact-pro-grid b{color:var(--violet);font-size:1.3rem}
.contact-topic-strip{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin:0 clamp(24px,4vw,54px) clamp(40px,4.5vw,58px);padding:16px 18px;border-radius:18px;background:#071a3a;color:#fff}
.contact-topic-strip>span{margin-right:4px;color:rgba(255,255,255,.63);font-size:.72rem;font-weight:850}
.contact-topic-strip a{padding:7px 10px;border:1px solid rgba(255,255,255,.15);border-radius:999px;background:rgba(255,255,255,.08);font-size:.72rem;font-weight:800}
.contact-topic-strip a:hover{background:#fff;color:var(--navy)}

@media(max-width:1420px){
  .main-nav{position:fixed;inset:76px 18px auto;display:none;flex-direction:column;align-items:stretch;gap:0;background:#fff;border:1px solid var(--line);border-radius:22px;padding:12px;box-shadow:var(--shadow)}
  .main-nav.open{display:flex}
  .main-nav a{padding:13px 14px;border-radius:12px}
  .main-nav a:hover{background:var(--soft)}
  .main-nav a::after{display:none}
  .menu-toggle{display:block}
  .navbar{gap:12px}
  .nav-actions{margin-left:auto}
}
@media(max-width:980px){
  .info-hero{grid-template-columns:1fr;gap:22px;padding:38px 32px}
  .info-hero-media{min-height:300px}
  .info-hero-media img{min-height:300px}
  .info-content-grid{grid-template-columns:1fr;padding:26px 28px 38px}
  .info-side-card{width:100%}
  .app-showcase-grid{grid-template-columns:repeat(2,minmax(0,1fr));padding:26px 28px 16px}
  .about-values,.contact-pro-grid{grid-template-columns:1fr 1fr;padding-left:28px;padding-right:28px}
  .contact-pro-grid>a:last-child{grid-column:1/-1}
}
@media(max-width:720px){
  .info-modal{padding:7px}
  .info-modal-panel-pro{width:100%;max-height:96vh;border-radius:24px;scrollbar-gutter:auto}
  .modal-close-pro{top:12px;margin:12px 12px -58px 0;width:42px;height:42px}
  .info-panel-pro h2{font-size:clamp(2rem,10vw,3.15rem);margin-right:28px}
  .info-panel-pro .info-lead{font-size:.92rem;line-height:1.58}
  .info-hero{padding:30px 20px 22px;gap:20px}
  .info-hero-media,.info-hero-media img{min-height:250px}
  .info-hero-media{border-radius:21px}
  .info-content-grid{padding:22px 18px 30px;gap:17px}
  .info-feature-grid,.learning-flow,.registration-options,.app-showcase-grid,.about-values,.contact-pro-grid{grid-template-columns:1fr}
  .info-feature{min-height:auto}
  .learning-flow>div{min-height:auto}
  .app-showcase-grid{padding:22px 18px 14px}
  .app-showcase-card{min-height:auto}
  .about-values,.contact-pro-grid{padding:22px 18px 30px}
  .contact-pro-grid>a:last-child{grid-column:auto}
  .info-status-note,.contact-topic-strip{margin-left:18px;margin-right:18px;margin-bottom:30px}
  .contact-topic-strip{align-items:flex-start}
  .price-pair>div{flex:1 1 130px}
}
@media(max-width:480px){
  .info-hero{padding:27px 16px 18px}
  .info-hero-media,.info-hero-media img{min-height:220px}
  .info-badges{gap:6px;margin-top:19px}
  .info-badges span{font-size:.67rem;padding:6px 8px}
  .info-content-grid,.app-showcase-grid,.about-values,.contact-pro-grid{padding-left:14px;padding-right:14px}
  .info-status-note,.contact-topic-strip{margin-left:14px;margin-right:14px}
  .app-showcase-card{grid-template-columns:38px 1fr;padding:18px;gap:11px}
  .app-index{width:36px;height:36px;border-radius:11px}
  .contact-pro-grid>a{grid-template-columns:44px 1fr;min-height:auto;padding:17px}
  .contact-pro-grid>a>b{display:none}
}


/* RC9 launch preparation */
.whatsapp-fab{position:fixed;right:22px;bottom:22px;z-index:80;display:inline-flex;align-items:center;gap:8px;padding:13px 18px;border-radius:999px;background:#0f8f52;color:#fff!important;font-weight:850;letter-spacing:.01em;box-shadow:0 14px 34px rgba(6,60,36,.28);text-decoration:none;border:1px solid rgba(255,255,255,.22)}
.whatsapp-fab:hover{transform:translateY(-2px);box-shadow:0 18px 38px rgba(6,60,36,.34)}
.contact-whatsapp-card{border-color:rgba(15,143,82,.3)!important;background:linear-gradient(135deg,rgba(15,143,82,.08),rgba(255,255,255,.94))!important}
.launch-status-banner{margin-top:24px;padding:18px 20px;border:1px solid rgba(41,95,165,.18);border-radius:18px;background:linear-gradient(135deg,rgba(230,240,255,.78),rgba(255,255,255,.95))}
.launch-status-banner strong{display:block;font-size:1rem;color:#102f59;margin-bottom:6px}.launch-status-banner p{margin:0;color:#51627a;line-height:1.62}
.product-flow{margin-top:24px;padding-top:20px;border-top:1px solid rgba(16,47,89,.1)}
.product-flow h4{margin:0 0 14px;font-size:1.05rem;color:#102f59}.product-flow-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.product-flow-grid>div{padding:14px;border:1px solid rgba(16,47,89,.1);border-radius:15px;background:rgba(247,250,255,.82)}
.product-flow-grid span{display:inline-grid;place-items:center;width:27px;height:27px;border-radius:999px;background:#102f59;color:#fff;font-weight:850;font-size:.78rem;margin-bottom:8px}.product-flow-grid strong{display:block;color:#102f59;margin-bottom:4px}.product-flow-grid p{margin:0;color:#637086;font-size:.91rem;line-height:1.45}
.product-whatsapp{display:inline-flex;margin:18px 0 0;padding:10px 14px;border-radius:12px;background:rgba(15,143,82,.08);border:1px solid rgba(15,143,82,.24);font-weight:800;color:#087342!important;text-decoration:none}.product-whatsapp:hover{background:rgba(15,143,82,.13)}
@media(max-width:720px){.whatsapp-fab{right:12px;bottom:12px;padding:11px 14px;font-size:.9rem}.product-flow-grid{grid-template-columns:1fr}}

/* RC10 COMERCIAL — full-screen commerce, booking, rich media and direct WhatsApp */
.brand{display:flex;align-items:center;gap:10px}
.brand-mark{width:46px;height:46px;flex:0 0 46px;border-radius:13px;object-fit:cover;box-shadow:0 6px 18px rgba(7,26,58,.18)}
.site-footer .brand-mark{width:52px;height:52px;flex-basis:52px}
.btn-whatsapp{background:#0f8f52;color:#fff!important;border:1px solid rgba(255,255,255,.16);box-shadow:0 12px 28px rgba(15,143,82,.2)}
.btn-whatsapp:hover{background:#0b7c47;transform:translateY(-1px)}
.quick-whatsapp{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end}
.quick-whatsapp .btn{min-height:48px}
.contact-action-dock{display:flex;gap:10px;flex-wrap:wrap;padding:0 clamp(24px,4vw,54px) clamp(34px,4.5vw,58px)}

.rc10-sales-strip{position:relative;z-index:7;padding:0 0 10px;background:linear-gradient(90deg,#06172f,#0a3972)}
.rc10-sales-strip-inner{display:flex;align-items:center;justify-content:space-between;gap:22px;padding:18px 24px;color:#fff}
.rc10-sales-strip-inner div{display:flex;align-items:baseline;gap:16px;flex-wrap:wrap}
.rc10-sales-strip-inner strong{font-size:1rem;letter-spacing:.02em}
.rc10-sales-strip-inner span{color:rgba(255,255,255,.72);font-size:.84rem;line-height:1.45}

.rc10-media-showcase{background:linear-gradient(180deg,#f7f9fd,#eef3fb);overflow:hidden}
.rc10-section-heading{display:flex;justify-content:space-between;gap:28px;align-items:end;margin-bottom:26px}
.rc10-section-heading>div{max-width:840px}
.rc10-media-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.rc10-video-card,.rc10-app-real-card{overflow:hidden;border:1px solid rgba(7,26,58,.1);border-radius:26px;background:#fff;box-shadow:0 18px 48px rgba(7,26,58,.08)}
.rc10-video-card video{display:block;width:100%;aspect-ratio:16/9;object-fit:cover;background:#020912}
.rc10-video-copy{padding:22px}
.rc10-video-copy small{color:var(--violet);font-size:.66rem;font-weight:900;letter-spacing:.12em}
.rc10-video-copy h3{margin:8px 0 8px;color:var(--navy);font-size:1.25rem;line-height:1.12}
.rc10-video-copy p{margin:0;color:var(--muted);font-size:.88rem;line-height:1.6}
.rc10-app-real-card{grid-column:1/-1;display:grid;grid-template-columns:minmax(320px,.9fr) minmax(0,1.1fr);align-items:stretch}
.rc10-app-real-card img{width:100%;height:100%;min-height:330px;object-fit:cover;object-position:center top;background:#0b1b39}
.rc10-app-real-card .rc10-video-copy{display:flex;flex-direction:column;justify-content:center;padding:clamp(26px,4vw,50px)}
.rc10-inline-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}

/* Existing information/product panels become true full-screen experiences. */
.info-modal,.product-modal{padding:0;place-items:stretch}
.info-modal-panel-pro,.product-modal-panel{width:100vw;max-width:none;height:100dvh;max-height:none;border-radius:0;border:0}
.info-modal-panel-pro{scrollbar-gutter:auto}
.product-modal-panel{padding:clamp(24px,3.2vw,52px);background:#f7f9fc}
.product-modal-backdrop,.info-modal-backdrop{background:#020912}
.modal-close-pro,.modal-close{position:fixed;top:18px;right:18px;z-index:1505}
.product-modal-head{padding-right:74px}
.product-panel{min-height:calc(100dvh - 210px);align-items:center}

.commerce-modal[hidden],.booking-modal[hidden]{display:none}
.commerce-modal,.booking-modal{position:fixed;inset:0;z-index:1600;background:#f4f7fb}
.commerce-backdrop,.booking-backdrop{position:absolute;inset:0;background:rgba(2,9,23,.68)}
.commerce-panel,.booking-panel{position:relative;z-index:2;width:100vw;height:100dvh;overflow:auto;background:#f4f7fb}
.commerce-close{position:fixed;top:18px;right:18px;z-index:1610;width:48px;height:48px;border-radius:50%;border:1px solid rgba(255,255,255,.28);background:rgba(5,20,45,.9);color:#fff;font-size:1.7rem;line-height:1;cursor:pointer;box-shadow:0 14px 34px rgba(0,0,0,.2)}
.commerce-close:hover{background:#fff;color:var(--navy)}
.commerce-hero{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(310px,.65fr);gap:34px;align-items:center;min-height:360px;padding:clamp(50px,6vw,92px) clamp(28px,6vw,96px);background:linear-gradient(135deg,#06162f 0%,#0b3972 58%,#1162a8 100%);color:#fff}
.commerce-kicker{display:inline-flex;padding:8px 12px;border:1px solid rgba(255,255,255,.18);border-radius:999px;background:rgba(255,255,255,.08);font-size:.69rem;font-weight:900;letter-spacing:.12em}
.commerce-hero h2,.booking-copy h2{margin:16px 0 14px;font-size:clamp(2.35rem,5vw,5.1rem);line-height:.94;letter-spacing:-.055em;text-wrap:balance}
.commerce-hero>div>p{max-width:760px;margin:0;color:rgba(255,255,255,.72);font-size:1rem;line-height:1.65}
.commerce-product-card{padding:26px;border:1px solid rgba(255,255,255,.18);border-radius:26px;background:rgba(255,255,255,.09);box-shadow:0 24px 70px rgba(0,0,0,.22);backdrop-filter:blur(15px)}
.commerce-product-card small{color:#82e5d8;font-size:.66rem;font-weight:900;letter-spacing:.12em}
.commerce-product-card h3{margin:8px 0 12px;font-size:1.55rem;line-height:1.08}
.commerce-product-card strong{display:block;color:#ffd86b;font-size:2.2rem}
.commerce-product-card p{margin:12px 0 0;color:rgba(255,255,255,.72);font-size:.84rem;line-height:1.55}
.commerce-body{display:grid;grid-template-columns:minmax(0,1fr) minmax(340px,.8fr);gap:28px;padding:clamp(28px,4vw,60px) clamp(28px,6vw,96px) 70px}
.commerce-body h3{margin:0 0 18px;color:var(--navy);font-size:1.45rem}
.commerce-methods{display:grid;gap:13px;align-content:start}
.payment-method{display:grid;grid-template-columns:44px 1fr auto;gap:15px;align-items:start;padding:20px;border:1px solid var(--line);border-radius:20px;background:#fff;box-shadow:0 12px 32px rgba(7,26,58,.05)}
.payment-method>span{display:grid;place-items:center;width:40px;height:40px;border-radius:13px;background:#edf2fb;color:var(--navy);font-size:.7rem;font-weight:900}
.payment-method b{display:block;color:var(--navy);font-size:1rem}
.payment-method p{margin:5px 0 0;color:var(--muted);font-size:.82rem;line-height:1.5}
.payment-method em{padding:7px 9px;border-radius:999px;background:#eef3fa;color:#52657d;font-size:.6rem;font-style:normal;font-weight:900;letter-spacing:.08em}
.payment-method.is-active{border-color:rgba(15,143,82,.28);background:linear-gradient(135deg,rgba(15,143,82,.07),#fff)}
.payment-method.is-active em{background:#0f8f52;color:#fff}
.payment-method.is-pending{opacity:.8}
.commerce-order-form{display:grid;gap:13px;padding:26px;border:1px solid rgba(7,26,58,.1);border-radius:26px;background:#fff;box-shadow:0 18px 48px rgba(7,26,58,.08)}
.commerce-order-form label{display:grid;gap:6px;color:var(--navy);font-size:.79rem;font-weight:820}
.commerce-order-form input,.commerce-order-form select,.commerce-order-form textarea{width:100%;border:1px solid #d9e1ec;border-radius:13px;background:#fbfcfe;color:#0a1d3a;padding:12px 13px;font:inherit;outline:none}
.commerce-order-form input:focus,.commerce-order-form select:focus,.commerce-order-form textarea:focus{border-color:#176bd6;box-shadow:0 0 0 3px rgba(23,107,214,.1)}
.commerce-consent{grid-template-columns:20px 1fr!important;align-items:start;font-weight:600!important;color:#5b687c!important;line-height:1.45}
.commerce-consent input{width:17px;height:17px;margin-top:2px}
.commerce-submit{min-height:50px;font-size:.9rem}
.commerce-security{margin:0;color:#708096;font-size:.72rem;line-height:1.5}

.booking-panel{display:grid;grid-template-columns:minmax(320px,.58fr) minmax(0,1.42fr);background:#fff}
.booking-copy{display:flex;flex-direction:column;justify-content:center;padding:clamp(44px,5vw,80px);background:linear-gradient(155deg,#06162f,#0d407f);color:#fff}
.booking-copy p{margin:0 0 24px;color:rgba(255,255,255,.72);line-height:1.65}
.booking-facts{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:24px}
.booking-facts span{padding:8px 11px;border:1px solid rgba(255,255,255,.15);border-radius:999px;background:rgba(255,255,255,.08);font-size:.72rem;font-weight:820}
.booking-frame-wrap{position:relative;min-height:100dvh;background:#f4f7fb}
.booking-frame-wrap iframe{display:block;width:100%;height:100dvh;border:0;background:#fff}
.booking-empty{position:absolute;inset:0;display:grid;place-content:center;gap:10px;padding:50px;text-align:center;color:var(--navy)}
.booking-empty strong{font-size:1.5rem}
.booking-empty p{max-width:640px;margin:0 auto;color:var(--muted);line-height:1.65}
.booking-empty code{padding:2px 6px;border-radius:7px;background:#e9eef6}

@media(max-width:980px){
  .rc10-section-heading{align-items:flex-start;flex-direction:column}
  .rc10-app-real-card{grid-template-columns:1fr}
  .rc10-app-real-card img{max-height:440px}
  .commerce-hero,.commerce-body,.booking-panel{grid-template-columns:1fr}
  .booking-copy{min-height:auto;padding-top:76px}
  .booking-frame-wrap{min-height:70vh}
  .booking-frame-wrap iframe{height:70vh}
}
@media(max-width:720px){
  .brand-mark{width:39px;height:39px;flex-basis:39px}
  .rc10-sales-strip-inner{align-items:flex-start;flex-direction:column}
  .rc10-media-grid{grid-template-columns:1fr}
  .rc10-app-real-card{grid-column:auto}
  .quick-whatsapp,.contact-action-dock{display:grid;grid-template-columns:1fr}
  .quick-whatsapp .btn,.contact-action-dock .btn{width:100%}
  .commerce-hero{padding:74px 18px 30px}
  .commerce-hero h2,.booking-copy h2{font-size:clamp(2rem,10vw,3.25rem)}
  .commerce-body{padding:22px 16px 48px}
  .commerce-order-form{padding:19px;border-radius:20px}
  .payment-method{grid-template-columns:38px 1fr;padding:16px}
  .payment-method em{grid-column:2}
  .booking-copy{padding:76px 20px 28px}
  .booking-frame-wrap{min-height:74vh}
  .booking-frame-wrap iframe{height:74vh}
  .nav-booking-btn,.nav-buy-btn{display:none}
}


/* RC10.2 VISUAL COMERCIAL — visibly differentiated launch experience */
body[data-release="RC10.2"]{background:#f4f7fb}
body[data-release="RC10.2"] .hero{position:relative;min-height:calc(100vh - 76px);display:flex;align-items:center;background:
 radial-gradient(circle at 80% 18%,rgba(44,132,255,.26),transparent 30%),
 radial-gradient(circle at 14% 15%,rgba(255,122,23,.19),transparent 24%),
 linear-gradient(135deg,#031126 0%,#071f43 48%,#0d4482 100%);color:#fff;overflow:hidden}
body[data-release="RC10.2"] .hero::after{content:'';position:absolute;inset:auto -8vw -28vh 34vw;height:65vh;border-radius:50%;background:radial-gradient(circle,rgba(70,163,255,.25),transparent 68%);pointer-events:none}
body[data-release="RC10.2"] .hero-title,body[data-release="RC10.2"] .hero-pair,body[data-release="RC10.2"] .hero-kicker{color:#fff}
body[data-release="RC10.2"] .hero-promo-line,body[data-release="RC10.2"] .hero-trust{color:rgba(255,255,255,.72)}
body[data-release="RC10.2"] .hero .eyebrow{color:#84f0e3;background:rgba(132,240,227,.09);border-color:rgba(132,240,227,.18)}
body[data-release="RC10.2"] .hero-intro-card{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);box-shadow:0 30px 90px rgba(0,0,0,.35);backdrop-filter:blur(14px);transform:perspective(1100px) rotateY(-2deg)}
body[data-release="RC10.2"] .hero-intro-card video{border-radius:0 0 22px 22px}
body[data-release="RC10.2"] .hero-intro-head,body[data-release="RC10.2"] .hero-intro-foot{color:#fff}
body[data-release="RC10.2"] .hero-video-link{color:#fff}

.rc102-launch{padding:clamp(58px,7vw,92px) 0;background:linear-gradient(180deg,#eef4fb 0%,#f7f9fd 50%,#fff 100%)}
.rc102-launch-head{display:flex;justify-content:space-between;align-items:end;gap:34px;margin-bottom:28px}
.rc102-launch-head>div:first-child{max-width:850px}.rc102-launch-actions{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end}
.rc102-product-grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:16px}
.rc102-product{position:relative;grid-column:span 4;min-height:360px;border-radius:30px;overflow:hidden;background:#071a3a;box-shadow:0 24px 60px rgba(7,26,58,.15);isolation:isolate}
.rc102-product--bundle{grid-column:span 8;min-height:440px}.rc102-product--meet{grid-column:span 4}
.rc102-product img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .7s cubic-bezier(.2,.7,.2,1)}
.rc102-product:hover img{transform:scale(1.045)}
.rc102-product::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(1,8,22,.05) 22%,rgba(1,8,22,.92) 100%);z-index:1}
.rc102-product--bundle::after{background:linear-gradient(90deg,rgba(2,10,24,.92) 0%,rgba(2,10,24,.72) 45%,rgba(2,10,24,.2) 100%)}
.rc102-product-overlay{position:absolute;z-index:2;left:0;right:0;bottom:0;padding:26px;color:#fff}
.rc102-product--bundle .rc102-product-overlay{top:0;bottom:auto;width:min(620px,72%);padding:clamp(32px,5vw,62px)}
.rc102-product-overlay>span{display:inline-flex;margin-bottom:10px;color:#84f0e3;font-size:.65rem;font-weight:900;letter-spacing:.12em}
.rc102-product-overlay h3{margin:0 0 10px;font-size:clamp(1.5rem,2.7vw,2.85rem);line-height:1;letter-spacing:-.04em}.rc102-product:not(.rc102-product--bundle) .rc102-product-overlay h3{font-size:1.55rem}
.rc102-product-overlay p{margin:0 0 16px;color:rgba(255,255,255,.74);line-height:1.55}.rc102-product-overlay>strong{display:block;margin:8px 0 20px;color:#ffd45c;font-size:2.7rem}
.rc102-product-overlay>div{display:flex;gap:9px;flex-wrap:wrap}.btn-light{background:#fff!important;color:#071a3a!important;border-color:#fff!important}.btn-ghost-light{background:rgba(255,255,255,.08)!important;color:#fff!important;border:1px solid rgba(255,255,255,.28)!important}

.rc102-info-nav{position:sticky;top:0;z-index:30;display:flex;gap:6px;align-items:center;padding:12px 78px 12px 18px;background:rgba(4,17,39,.94);border-bottom:1px solid rgba(255,255,255,.1);backdrop-filter:blur(16px);overflow-x:auto}
.rc102-info-nav button{flex:0 0 auto;border:1px solid rgba(255,255,255,.12);border-radius:999px;padding:8px 12px;background:rgba(255,255,255,.06);color:rgba(255,255,255,.78);font:inherit;font-size:.72rem;font-weight:850;cursor:pointer}.rc102-info-nav button:hover,.rc102-info-nav button.active{background:#fff;color:#071a3a}
.modal-close-pro{top:10px;right:14px;margin:0;position:fixed}

/* Dark, immersive hero panels for the commercial/visual categories */
.info-hero--apps,.info-hero--videos,.info-hero--contact,.info-hero--books{background:linear-gradient(135deg,#031126 0%,#092e61 63%,#1264a8 100%);color:#fff}
.info-hero--apps .info-lead,.info-hero--videos .info-lead,.info-hero--contact .info-lead,.info-hero--books .info-lead{color:rgba(255,255,255,.72)}
.info-hero--apps .info-badges span,.info-hero--videos .info-badges span,.info-hero--books .info-badges span{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.14)}

.rc102-contact-hero{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(360px,.95fr);min-height:520px;background:linear-gradient(135deg,#021027,#082e62 58%,#0e5696);color:#fff}
.rc102-contact-copy{display:flex;flex-direction:column;justify-content:center;padding:clamp(44px,6vw,92px)}
.rc102-contact-copy .info-kicker{align-self:flex-start;color:#83f4e6;border-color:rgba(131,244,230,.2);background:rgba(131,244,230,.08)}
.rc102-contact-copy h2{margin:18px 0 18px!important;color:#fff;font-size:clamp(2.8rem,5.3vw,5.7rem)!important;max-width:850px}.rc102-contact-copy p{max-width:760px;margin:0;color:rgba(255,255,255,.72);font-size:1.05rem;line-height:1.7}
.rc102-contact-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:28px}.btn-xl{min-height:54px;padding-inline:24px;font-size:.92rem}
.rc102-contact-visual{position:relative;min-height:520px;overflow:hidden}.rc102-team-photo{width:100%;height:100%;object-fit:cover;object-position:center 20%;filter:grayscale(1) contrast(1.03)}
.rc102-contact-visual::after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,#082e62 0%,transparent 28%,transparent 70%,rgba(1,8,22,.18))}
.rc102-qr-card{position:absolute;z-index:3;right:24px;bottom:24px;display:grid;grid-template-columns:94px 1fr;gap:14px;align-items:center;padding:14px;border-radius:22px;background:rgba(255,255,255,.95);box-shadow:0 22px 50px rgba(0,0,0,.28);color:#071a3a}.rc102-qr-card img{width:94px;height:94px;border-radius:12px}.rc102-qr-card small{display:block;color:#0f8f52;font-size:.62rem;font-weight:900;letter-spacing:.1em}.rc102-qr-card strong,.rc102-qr-card span{display:block}.rc102-qr-card strong{margin:3px 0;font-size:1rem}.rc102-qr-card span{color:#607087;font-size:.8rem}
.rc102-contact-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;padding:28px clamp(22px,4vw,58px);background:#f2f6fb}.rc102-contact-card{position:relative;min-height:220px;padding:22px;border:1px solid rgba(7,26,58,.09);border-radius:24px;background:#fff;box-shadow:0 14px 38px rgba(7,26,58,.06);color:#071a3a;text-decoration:none;transition:.22s ease}.rc102-contact-card:hover{transform:translateY(-4px);box-shadow:0 22px 46px rgba(7,26,58,.12)}.rc102-contact-card--green{background:linear-gradient(145deg,#0c7548,#10975a);color:#fff;border-color:transparent}.rc102-contact-card>b{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:#edf2fb;color:#254164;font-size:.72rem}.rc102-contact-card--green>b{background:rgba(255,255,255,.14);color:#fff}.rc102-contact-card>span{display:block;margin:20px 0 5px;color:#697a91;font-size:.62rem;font-weight:900;letter-spacing:.11em}.rc102-contact-card--green>span,.rc102-contact-card--green p{color:rgba(255,255,255,.72)}.rc102-contact-card h3{margin:0 0 8px;font-size:1.2rem}.rc102-contact-card p{margin:0 0 18px;color:#66768d;font-size:.82rem;line-height:1.5}.rc102-contact-card>strong{position:absolute;left:22px;bottom:20px;color:inherit;font-size:.78rem}
.rc102-contact-footer{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;padding:0 clamp(22px,4vw,58px) 48px;background:#f2f6fb}.rc102-contact-footer>a,.rc102-contact-footer>button{display:grid;gap:3px;padding:18px 20px;border:1px solid rgba(7,26,58,.09);border-radius:18px;background:#fff;color:#071a3a;text-decoration:none;text-align:left;font:inherit;cursor:pointer}.rc102-contact-footer span{color:#6a7a90;font-size:.62rem;font-weight:900;letter-spacing:.1em}.rc102-contact-footer strong{font-size:.9rem}.rc102-contact-footer em{color:#6a7a90;font-size:.72rem;font-style:normal}

.rc102-info-media{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;padding:0 clamp(24px,4vw,54px) 50px;background:#f5f7fb}.rc102-info-media article{display:grid;grid-template-columns:minmax(180px,.7fr) minmax(0,1fr);min-height:220px;overflow:hidden;border:1px solid rgba(7,26,58,.1);border-radius:24px;background:#fff;box-shadow:0 15px 38px rgba(7,26,58,.06)}.rc102-info-media video,.rc102-info-media img{width:100%;height:100%;min-height:220px;object-fit:cover;background:#020912}.rc102-info-media article>div{display:flex;flex-direction:column;justify-content:center;padding:22px}.rc102-info-media small{color:#7654ff;font-size:.62rem;font-weight:900;letter-spacing:.11em}.rc102-info-media strong{display:block;margin:7px 0 5px;color:#071a3a;font-size:1.05rem}.rc102-info-media span{color:#687890;font-size:.79rem;line-height:1.5}

/* Ensure contact panel is its own full-page design rather than inheriting old white hero layout */
[data-info-panel="contact"]{background:#f2f6fb!important}
[data-info-panel="contact"]>.info-hero,[data-info-panel="contact"]>.contact-pro-grid,[data-info-panel="contact"]>.contact-topic-strip,[data-info-panel="contact"]>.contact-action-dock{display:none!important}

@media(max-width:1050px){.rc102-product--bundle{grid-column:span 12}.rc102-product{grid-column:span 6}.rc102-contact-grid{grid-template-columns:1fr 1fr}.rc102-contact-hero{grid-template-columns:1fr}.rc102-contact-visual{min-height:420px}.rc102-info-media article{grid-template-columns:1fr}.rc102-info-media video,.rc102-info-media img{height:240px;min-height:240px}}
@media(max-width:720px){body[data-release="RC10.2"] .hero{min-height:auto}.rc102-launch-head{align-items:flex-start;flex-direction:column}.rc102-launch-actions{justify-content:flex-start}.rc102-product{grid-column:1/-1!important;min-height:360px}.rc102-product--bundle .rc102-product-overlay{width:auto;padding:26px}.rc102-contact-copy{padding:76px 20px 30px}.rc102-contact-copy h2{font-size:clamp(2.3rem,12vw,3.8rem)!important}.rc102-contact-visual{min-height:330px}.rc102-qr-card{left:16px;right:16px;bottom:16px;grid-template-columns:74px 1fr}.rc102-qr-card img{width:74px;height:74px}.rc102-contact-grid,.rc102-contact-footer,.rc102-info-media{grid-template-columns:1fr}.rc102-contact-grid{padding:18px}.rc102-contact-footer{padding:0 18px 34px}.rc102-info-media{padding:0 16px 34px}.rc102-info-nav{padding-left:12px;padding-right:68px}}


/* RC10.3 — calendar visible, real book/app samples and visible payment path */
.rc103-book-showcase,.rc103-app-samples,.rc103-calendar-live,.rc103-buy-live{padding:clamp(64px,8vw,112px) 0}
.rc103-book-showcase{background:linear-gradient(180deg,#f8fbff,#eef5ff)}
.rc103-app-samples{background:#fff}
.rc103-calendar-live{background:linear-gradient(155deg,#06162f,#0b2f61);color:#fff}
.rc103-buy-live{background:#f5f8fc}
.rc103-head{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:34px}
.rc103-head>div:first-child{max-width:920px}
.rc103-head .section-lead{margin-bottom:0}
.rc103-calendar-live .eyebrow{color:#83e5ff}
.rc103-calendar-live .section-title{color:#fff}
.rc103-calendar-live .section-lead{color:rgba(255,255,255,.74)}
.rc103-book-grid{display:grid;grid-template-columns:1.25fr repeat(3,1fr);gap:18px;align-items:stretch}
.rc103-book-page{margin:0;background:#fff;border:1px solid #dce5f2;border-radius:22px;overflow:hidden;box-shadow:0 20px 50px rgba(8,28,60,.09)}
.rc103-book-page img{display:block;width:100%;height:430px;object-fit:contain;background:#fff}
.rc103-book-page--wide img{object-fit:cover}
.rc103-book-page figcaption{padding:14px 16px;color:#52637a;font-size:.83rem;line-height:1.45}
.rc103-book-facts{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.rc103-book-facts span{padding:10px 14px;border-radius:999px;background:#071a3a;color:#fff;font-size:.75rem;font-weight:850}
.rc103-app-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.rc103-app-card{display:flex;flex-direction:column;border:1px solid #dfe6ef;border-radius:26px;overflow:hidden;background:#fff;box-shadow:0 24px 70px rgba(8,28,60,.09)}
.rc103-app-card>img,.rc103-app-card>video{width:100%;height:285px;object-fit:cover;background:#081a34}
.rc103-app-card>div{display:flex;flex-direction:column;flex:1;padding:24px}
.rc103-app-card small{font-size:.72rem;font-weight:900;letter-spacing:.12em;color:#1374d4}
.rc103-app-card h3{margin:10px 0 10px;font-size:1.55rem;color:#071a3a}
.rc103-app-card p{margin:0 0 20px;color:#607087;line-height:1.65}
.rc103-card-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:auto}
.rc103-calendar-actions{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end}
.rc103-calendar-live .btn-outline{border-color:rgba(255,255,255,.28);color:#fff;background:rgba(255,255,255,.04)}
.rc103-calendar-frame{overflow:hidden;border-radius:28px;background:#fff;box-shadow:0 34px 90px rgba(0,0,0,.32);border:1px solid rgba(255,255,255,.14)}
.rc103-calendar-frame iframe{display:block;width:100%;min-height:760px;background:#fff}
.rc103-buy-shell{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(340px,.85fr);gap:34px;padding:clamp(30px,5vw,64px);border-radius:32px;background:#071a3a;color:#fff;box-shadow:0 30px 90px rgba(7,26,58,.2)}
.rc103-buy-copy h2{margin:14px 0 18px;font-size:clamp(2.25rem,4.5vw,4.5rem);line-height:.96;letter-spacing:-.05em}
.rc103-buy-copy p{max-width:780px;color:rgba(255,255,255,.72);line-height:1.7}
.rc103-flow{display:flex;gap:8px;flex-wrap:wrap;margin-top:26px}
.rc103-flow span{padding:9px 11px;border:1px solid rgba(255,255,255,.15);border-radius:999px;background:rgba(255,255,255,.07);font-size:.72rem;font-weight:800}
.rc103-payment-stack{display:flex;flex-direction:column;gap:12px;justify-content:center}
.rc103-payment{display:grid;grid-template-columns:1fr auto;gap:6px 16px;padding:18px;border-radius:18px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.11)}
.rc103-payment b{font-size:1.02rem}.rc103-payment span{grid-column:1;color:rgba(255,255,255,.62);font-size:.82rem}.rc103-payment em{grid-column:2;grid-row:1/3;align-self:center;font-style:normal;font-size:.65rem;font-weight:900;letter-spacing:.08em;padding:6px 9px;border-radius:999px;background:#6b7280;color:#fff}
.rc103-payment.is-live{background:rgba(11,165,115,.12);border-color:rgba(47,235,169,.24)}
.rc103-payment.is-live em{background:#0ba573}
@media(max-width:1100px){.rc103-book-grid{grid-template-columns:repeat(2,1fr)}.rc103-app-grid{grid-template-columns:1fr 1fr}.rc103-buy-shell{grid-template-columns:1fr}.rc103-head{align-items:flex-start;flex-direction:column}.rc103-calendar-actions{justify-content:flex-start}}
@media(max-width:700px){.rc103-book-grid,.rc103-app-grid{grid-template-columns:1fr}.rc103-book-page img{height:auto;max-height:580px}.rc103-app-card>img,.rc103-app-card>video{height:230px}.rc103-calendar-frame iframe{min-height:720px;height:720px}.rc103-buy-shell{padding:24px;border-radius:24px}.rc103-payment{grid-template-columns:1fr}.rc103-payment em{grid-column:1;grid-row:auto;justify-self:start}.rc103-head{margin-bottom:24px}}


/* RC10.4 — deterministic sales UI, 30-page book sample and app-book page */
.rc104-proof{padding:72px 0;background:linear-gradient(180deg,#f6f9fe,#fff)}
.rc104-head{max-width:1050px;margin:0 auto 34px;text-align:center}.rc104-head h2{font-size:clamp(2rem,4vw,4.2rem);line-height:.98;color:#071a3a;margin:.15em 0}.rc104-head p{font-size:1.12rem;color:#52637b}
.rc104-stats{display:grid;grid-template-columns:repeat(6,1fr);gap:12px;margin:30px 0}.rc104-stat{background:#071a3a;color:#fff;border-radius:20px;padding:22px;text-align:center;box-shadow:0 12px 36px rgba(7,26,58,.15)}.rc104-stat strong{display:block;font-size:2rem;color:#ff7a17}.rc104-stat span{font-size:.83rem;line-height:1.35}
.rc104-book-layout{display:grid;grid-template-columns:minmax(260px,.75fr) 1.35fr;gap:32px;align-items:start}.rc104-cover{position:sticky;top:88px}.rc104-cover img{width:100%;border-radius:24px;box-shadow:0 24px 60px rgba(7,26,58,.22)}
.rc104-preview-note{margin-top:14px;padding:15px 18px;border-radius:16px;background:#e8fbf8;color:#085f62;font-weight:700}
.rc104-pages{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.rc104-pages a{display:block;background:#fff;border-radius:14px;padding:8px;box-shadow:0 10px 28px rgba(7,26,58,.10);transition:.2s}.rc104-pages a:hover{transform:translateY(-3px)}.rc104-pages img{display:block;width:100%;border-radius:9px}
.rc104-app-showcase{padding:72px 0;background:#071a3a;color:#fff}.rc104-app-showcase .section-title{color:#fff}.rc104-app-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:24px}.rc104-app-main,.rc104-app-panel{border:1px solid rgba(255,255,255,.14);border-radius:26px;background:rgba(255,255,255,.06);padding:22px}.rc104-app-main img,.rc104-app-panel img,.rc104-app-panel video{width:100%;border-radius:18px}.rc104-app-thumbs{display:grid;grid-template-columns:1fr 1fr;gap:14px}.rc104-app-copy h3{font-size:2.1rem;margin:.45rem 0}.rc104-app-copy p{color:#c7d6ec}.rc104-pills{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0}.rc104-pills span{padding:8px 11px;border-radius:999px;background:rgba(255,255,255,.1);font-weight:750;font-size:.82rem}
.rc104-update{background:linear-gradient(90deg,#08a99a,#1e73ff);border-radius:18px;padding:17px 20px;font-weight:850;margin-top:18px}
.rc104-direct-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}.rc104-direct-actions a{min-height:50px}
.rc104-payment-page,.rc104-content-page{min-height:100vh;background:#f5f8fc;color:#071a3a}.rc104-page-hero{padding:90px 0 45px;background:linear-gradient(135deg,#071a3a,#0e315f);color:#fff}.rc104-page-hero h1{font-size:clamp(2.5rem,6vw,5.4rem);line-height:.95;margin:.2em 0}.rc104-page-hero p{max-width:850px;color:#d5e3f7;font-size:1.15rem}.rc104-page-main{padding:48px 0 80px}.rc104-payment-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.rc104-payment-card{background:#fff;border-radius:24px;padding:28px;box-shadow:0 14px 44px rgba(7,26,58,.10)}.rc104-payment-card h2{margin-top:0}.rc104-method{padding:16px;border:1px solid #dce5f1;border-radius:15px;margin:12px 0}.rc104-method.active{border-color:#08a99a;background:#f0fffc}.rc104-method.pending{opacity:.72}.rc104-payment-form label{display:block;font-weight:750;margin:13px 0}.rc104-payment-form input,.rc104-payment-form select,.rc104-payment-form textarea{display:block;width:100%;margin-top:7px;padding:13px;border:1px solid #cfd9e8;border-radius:12px;font:inherit}.rc104-payment-form button{width:100%;margin-top:14px}
.rc104-calendar-frame{width:100%;height:760px;border:0;border-radius:22px;background:#fff;box-shadow:0 12px 36px rgba(7,26,58,.12)}
.rc104-small{font-size:.88rem;color:#66758c}.rc104-warning{padding:16px 18px;border-radius:14px;background:#fff4df;color:#744700;font-weight:700}
@media(max-width:1100px){.rc104-stats{grid-template-columns:repeat(3,1fr)}.rc104-book-layout,.rc104-app-grid,.rc104-payment-grid{grid-template-columns:1fr}.rc104-cover{position:static;max-width:520px;margin:auto}.rc104-pages{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.rc104-stats{grid-template-columns:repeat(2,1fr)}.rc104-pages{grid-template-columns:1fr 1fr}.rc104-calendar-frame{height:680px}.rc104-app-thumbs{grid-template-columns:1fr}}


/* RC10.5 — calendario manipulable, lector vertical, logo blanco y app en alta legibilidad */
html{scroll-behavior:smooth}
body.rc105-book-body,body.rc105-calendar-page,body.rc105-app-page{overflow-y:auto!important;overflow-x:hidden}
.rc105-brand{display:flex;align-items:center;min-width:130px}
.rc105-logo{width:132px!important;height:72px!important;object-fit:contain!important;border-radius:0!important;background:#fff!important}
.rc105-calendar-intro,.rc105-book-hero,.rc105-app-hero{padding:54px 0 34px;background:linear-gradient(135deg,#071a3a,#0c376d);color:#fff}
.rc105-calendar-intro h1,.rc105-book-hero h1,.rc105-app-hero h1{margin:.18em 0;font-size:clamp(2.2rem,5vw,4.6rem);line-height:.98}
.rc105-calendar-intro p,.rc105-book-hero p,.rc105-app-hero p{max-width:950px;color:#d8e6f8;font-size:1.08rem;line-height:1.65}
.rc105-calendar-main{padding:22px 0 70px;background:#edf2f8}
.rc105-calendar-shell{position:relative;z-index:1}
.rc105-calendar-frame{display:block;width:100%;height:1040px;border:0;border-radius:24px;background:#fff;box-shadow:0 18px 50px rgba(7,26,58,.14);pointer-events:auto!important;position:relative;z-index:5}
.booking-frame-wrap{position:relative!important}
.booking-frame-wrap iframe{pointer-events:auto!important;position:relative!important;z-index:10!important}
.booking-empty{display:none!important;pointer-events:none!important}
.rc105-book-main{padding:32px 0 100px;background:#eef3f9}
.rc105-book-layout{display:grid;grid-template-columns:minmax(250px,340px) minmax(0,1fr);gap:42px;align-items:start}
.rc105-book-sidebar{position:sticky;top:92px}
.rc105-current-cover{display:block;width:100%;border-radius:20px;box-shadow:0 20px 48px rgba(7,26,58,.24)}
.rc105-book-update{margin:16px 0;padding:16px;border-radius:16px;background:#dff8f4;color:#08635f;font-weight:800;line-height:1.45}
.rc105-full-btn{width:100%;justify-content:center}
.rc105-reader{display:flex;flex-direction:column;align-items:center;gap:30px;min-width:0}
.rc105-book-page{width:min(100%,920px);margin:0;padding:14px;background:#fff;border:1px solid #d7e0ec;border-radius:18px;box-shadow:0 14px 42px rgba(7,26,58,.12);scroll-margin-top:90px}
.rc105-book-page figcaption{padding:2px 4px 12px;color:#5d6c81;font-size:.78rem;font-weight:800;letter-spacing:.04em;text-transform:uppercase}
.rc105-book-page img{display:block;width:100%;height:auto;border-radius:10px;background:#fff}
.rc105-app-main{padding:34px 0 100px;background:#061426}
.rc105-app-screen{max-width:1420px;margin:0 auto 34px;padding:16px;border:1px solid rgba(255,255,255,.14);border-radius:26px;background:#0b1b31;box-shadow:0 24px 70px rgba(0,0,0,.28)}
.rc105-app-screen figcaption{padding:4px 8px 15px;color:#fff;font-size:1rem;font-weight:850}
.rc105-app-screen img{display:block;width:100%;height:auto;border-radius:18px;background:#020912}
.rc105-app-video-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;max-width:1420px;margin:0 auto}
.rc105-app-video-grid article{padding:16px;border:1px solid rgba(255,255,255,.14);border-radius:24px;background:#0b1b31;color:#fff}
.rc105-app-video-grid video{display:block;width:100%;max-height:620px;border-radius:16px;background:#000}
.rc105-app-video-grid h3{margin:14px 6px 4px}
.rc105-app-page .rc104-direct-actions .btn-outline{color:#fff;border-color:rgba(255,255,255,.32)}
@media(max-width:900px){
  .rc105-book-layout{grid-template-columns:1fr}
  .rc105-book-sidebar{position:static;max-width:440px;margin:0 auto}
  .rc105-calendar-frame{height:880px}
  .rc105-app-video-grid{grid-template-columns:1fr}
}
@media(max-width:620px){
  .rc105-logo{width:104px!important;height:58px!important}
  .rc105-calendar-frame{height:820px;border-radius:14px}
  .rc105-book-page{padding:8px;border-radius:12px}
}

/* RC13.1 — cuatro diálogos: espacio de vídeo + interacción */
.dialogue-learning-card{display:flex;flex-direction:column}
.dialogue-poster-wrap{margin:14px 0 4px;border-radius:18px;overflow:hidden;background:#081d3d;aspect-ratio:16/9}
.dialogue-poster-wrap img{display:block;width:100%;height:100%;object-fit:cover}
.dialogue-learning-flow{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:18px 0 6px}
.dialogue-learning-flow span{padding:10px 9px;border-radius:12px;background:#f1f6fb;color:#173454;font-size:12px;font-weight:850;text-align:center}
@media(max-width:680px){.dialogue-learning-flow{grid-template-columns:1fr}}


/* RC13.4 REAL VIDEO SLOTS — dialogue pages */
.dialogue-poster-wrap{position:relative;overflow:hidden;border-radius:18px;background:#071426}
.dialogue-video-player{display:block;width:100%;aspect-ratio:16/9;object-fit:contain;background:#050b14;border:0}
.media-file-status{margin-top:12px;padding:12px 14px;border-radius:12px;font-weight:700;font-size:.92rem;line-height:1.45}
.media-file-status.is-error{display:block;background:#fff2ec;color:#8f2d14;border:1px solid #f2b29d}
.dialogue-questions-slot[hidden]{display:none!important}
@media (max-width:700px){.dialogue-video-player{border-radius:14px}.media-file-status{font-size:.86rem}}

/* RC13.5 — 10-question interactive comprehension diagnostics */
.dialogue-overall-score{margin:0 0 28px;padding:20px;border:1px solid #d7e2ef;border-radius:22px;background:linear-gradient(135deg,#071a3a,#0e376c);color:#fff;box-shadow:0 16px 40px rgba(7,26,58,.12)}
.dq-overall-empty{display:flex;flex-direction:column;gap:6px}.dq-overall-empty strong{font-size:1.15rem}.dq-overall-empty span{color:#d7e4f4}
.dq-overall-head{display:flex;align-items:center;justify-content:space-between;gap:18px}.dq-overall-head div:first-child{display:flex;flex-direction:column;gap:4px}.dq-overall-head span{font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;font-weight:850;color:#9fd8ff}.dq-overall-head strong{font-size:1.45rem}
.dq-overall-band{min-width:72px;height:72px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,#7848ff,#09b2a6);font-size:1.45rem;font-weight:950;box-shadow:0 10px 28px rgba(0,0,0,.2)}
.dq-overall-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:18px 0 10px}.dq-overall-stats span{display:flex;flex-direction:column;gap:2px;padding:12px;border-radius:14px;background:rgba(255,255,255,.08);font-size:.78rem;color:#d7e4f4}.dq-overall-stats b{font-size:1.05rem;color:#fff}.dialogue-overall-score p{margin:.6rem 0 .3rem}.dialogue-overall-score small{display:block;color:#b7c9df;line-height:1.45}
.dialogue-learning-flow{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:18px 0 12px}
.dialogue-step-btn{appearance:none;border:1px solid #d8e2ed;background:#f1f6fb;color:#173454;padding:12px 10px;border-radius:14px;font:inherit;font-size:12px;font-weight:850;text-align:center;cursor:pointer;min-height:58px;transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease,background .18s ease;display:flex;align-items:center;justify-content:center;gap:7px}
.dialogue-step-btn span{width:24px;height:24px;border-radius:50%;display:grid;place-items:center;background:#fff;color:#0b2b50;font-weight:950;box-shadow:0 2px 7px rgba(7,26,58,.08)}
.dialogue-step-btn:hover,.dialogue-step-btn:focus-visible{transform:translateY(-1px);border-color:#8eb5df;box-shadow:0 8px 18px rgba(7,26,58,.10);outline:none}.dialogue-step-btn.is-primary{background:linear-gradient(135deg,#6445ff,#09a9aa);border-color:transparent;color:#fff}.dialogue-step-btn.is-primary span{color:#5142d7}
.dialogue-questions-slot{scroll-margin-top:90px;margin-top:10px}.dialogue-questions-slot[hidden]{display:none!important}
.dq-shell{border-top:1px solid #dbe5ef;padding-top:18px}.dq-toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 16px;margin-bottom:14px;border-radius:16px;background:#f4f8fc}.dq-toolbar>div:first-child{display:flex;flex-direction:column;gap:3px}.dq-toolbar strong{font-size:1rem}.dq-subtitle{font-size:.82rem;color:#64758a;line-height:1.4}.dq-progress{flex:0 0 auto;min-width:70px;padding:9px 12px;border-radius:999px;background:#071a3a;color:#fff;text-align:center;font-weight:900}
.dq-question{padding:16px 0;border-bottom:1px solid #e2e9f1;scroll-margin-top:90px}.dq-question:last-of-type{border-bottom:0}.dq-question-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:7px;color:#677990;font-size:.78rem;font-weight:850;text-transform:uppercase;letter-spacing:.04em}.dq-question-level{padding:4px 8px;border-radius:999px;background:#eaf7f6;color:#08776f}.dq-question h3{font-size:1.02rem;line-height:1.45;margin:0 0 11px;color:#0b2344}
.dq-options{display:grid;gap:8px}.dq-option{appearance:none;width:100%;display:grid;grid-template-columns:34px 1fr;align-items:center;gap:10px;border:1px solid #d7e2ee;background:#fff;color:#173454;border-radius:13px;padding:10px 12px;text-align:left;font:inherit;font-size:.92rem;cursor:pointer;transition:border-color .15s,background .15s,transform .15s,box-shadow .15s}.dq-option:hover:not(:disabled),.dq-option:focus-visible:not(:disabled){border-color:#6f9ed1;background:#f7fbff;transform:translateY(-1px);box-shadow:0 6px 16px rgba(7,26,58,.07);outline:none}.dq-option-letter{width:30px;height:30px;display:grid;place-items:center;border-radius:50%;background:#edf3f9;color:#173454;font-weight:950}.dq-option.is-selected{border-color:#6552ff;background:#f4f1ff}.dq-option.is-selected .dq-option-letter{background:#6552ff;color:#fff}.dq-option.is-correct{border-color:#16a36a;background:#eefcf6}.dq-option.is-correct .dq-option-letter{background:#16a36a;color:#fff}.dq-option.is-wrong{border-color:#dc654b;background:#fff3ef}.dq-option.is-wrong .dq-option-letter{background:#dc654b;color:#fff}.dq-option:disabled{cursor:default;opacity:1}
.dq-feedback{margin-top:9px;padding:9px 11px;border-radius:11px;font-size:.82rem;line-height:1.45}.dq-feedback[hidden]{display:none!important}.dq-feedback strong,.dq-feedback span{display:block}.dq-feedback.is-correct{background:#ecfaf3;color:#08734b}.dq-feedback.is-wrong{background:#fff2ee;color:#8d2f1b}.dq-feedback span{margin-top:2px}
.dq-actions{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0 10px}.dq-message{min-height:20px;margin:8px 0;font-size:.9rem;font-weight:750}.dq-message.is-warning{padding:10px 12px;border-radius:11px;background:#fff5dc;color:#744b00}
.dq-result{display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:center;margin-top:16px;padding:18px;border-radius:18px;background:linear-gradient(135deg,#071a3a,#0c376d);color:#fff;box-shadow:0 14px 34px rgba(7,26,58,.14)}.dq-result[hidden]{display:none!important}.dq-score-ring{width:92px;height:92px;border-radius:50%;display:grid;place-content:center;text-align:center;background:linear-gradient(135deg,#754cff,#09b0a5);box-shadow:0 8px 24px rgba(0,0,0,.22)}.dq-score-ring strong{font-size:1.35rem}.dq-score-ring span{font-size:.82rem;font-weight:800}.dq-result-copy{min-width:0}.dq-result-kicker{font-size:.72rem;letter-spacing:.09em;text-transform:uppercase;color:#9fd8ff;font-weight:900}.dq-result-copy h3{margin:.2rem 0 .4rem;color:#fff;font-size:1.35rem}.dq-result-copy p{margin:.25rem 0;color:#e8f0fa}.dq-result-note{font-size:.76rem!important;color:#b9cbe0!important;line-height:1.45}
@media(max-width:680px){.dialogue-learning-flow{grid-template-columns:1fr}.dq-overall-stats{grid-template-columns:1fr}.dq-toolbar{align-items:flex-start}.dq-result{grid-template-columns:1fr}.dq-score-ring{width:82px;height:82px}.dq-question h3{font-size:.98rem}.dq-option{font-size:.9rem}.dialogue-overall-score{padding:16px}}


/* RC13.6 — dialogue comprehension test: explicit purpose + four-card desktop overview */
.dialogue-test-facts{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 4px}
.dialogue-test-facts span{display:flex;align-items:center;gap:6px;padding:10px 14px;border:1px solid #dce6f1;border-radius:999px;background:#fff;color:#486078;font-size:.86rem;font-weight:800;box-shadow:0 6px 18px rgba(7,26,58,.05)}
.dialogue-test-facts b{color:#09264a;font-size:1rem}
.dialogue-test-content{max-width:1720px;padding-left:24px;padding-right:24px}
.dialogue-test-content .dialogue-series-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;align-items:start}
.dialogue-test-content .dialogue-learning-card{padding:20px;border-radius:22px;min-width:0}
.dialogue-test-content .dialogue-learning-card h2{font-size:1.55rem;line-height:1.12;margin:9px 0 10px}
.dialogue-test-content .dialogue-learning-card>p{font-size:.93rem;line-height:1.5;margin:.75rem 0;min-height:4.2em}
.dialogue-test-content .dialogue-poster-wrap{margin-top:10px;border-radius:15px}
.dialogue-test-content .dialogue-learning-flow{gap:6px;margin-top:14px}
.dialogue-test-content .dialogue-step-btn{padding:9px 7px;min-height:54px;font-size:11px;line-height:1.2}
.dialogue-test-content .dialogue-step-btn span{width:21px;height:21px;flex:0 0 21px}
.dialogue-test-content .dialogue-overall-score{margin:28px 0 0}
@media(max-width:1399px){
  .dialogue-test-content{max-width:1180px}
  .dialogue-test-content .dialogue-series-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
  .dialogue-test-content .dialogue-learning-card{padding:26px}
  .dialogue-test-content .dialogue-learning-card>p{min-height:0}
  .dialogue-test-content .dialogue-step-btn{font-size:12px}
}
@media(max-width:760px){
  .dialogue-test-facts{display:grid;grid-template-columns:1fr 1fr}
  .dialogue-test-facts span{border-radius:14px;justify-content:center;text-align:center;padding:9px 8px;font-size:.78rem}
  .dialogue-test-content{padding-left:16px;padding-right:16px}
  .dialogue-test-content .dialogue-series-grid{grid-template-columns:1fr;gap:18px}
  .dialogue-test-content .dialogue-learning-card{padding:20px}
  .dialogue-test-content .dialogue-learning-flow{grid-template-columns:1fr}
  .dialogue-test-content .dialogue-step-btn{font-size:12px}
}