:root {
  color-scheme: light;
  --paper: #ffffff;
  --surface: #ffffff;
  --surface-raised: #e6f1fb;
  --ink: #142c43;
  --muted: #4b6075;
  --line: #cbd9e7;
  --accent: #185fa5;
  --accent-ink: #ffffff;
  --accent-container: #e6f1fb;
  --on-accent-container: #123b5e;
  --blue-panel: #e6f1fb;
  --panel-ink: #142c43;
  --panel-muted: #185fa5;
  --font: Inter, "Segoe UI", Roboto, Arial, sans-serif;
  --radius-s: 10px;
  --radius-m: 18px;
  --radius-l: 28px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 16px/1.55 var(--font);
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
button { color: inherit; font: inherit; }

.topbar, .bar {
  position: sticky;
  z-index: 20;
  top: 0;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

.topbar-inner, .bar-inner {
  width: min(100% - 48px, 1180px);
  min-height: 72px;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  gap: 10px;
  color: var(--ink);
  text-decoration: none !important;
}

.brand-logo { width: auto; height: 32px; }
.brand-text { color: var(--ink); font-size: 20px; font-weight: 650; letter-spacing: -.045em; }
.bar-title { color: var(--muted); font-size: 14px; }
.grow { flex: 1 1 auto; }

.nav-center, .nav-links, .nav-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links { margin: 0; padding: 0; list-style: none; }
.nav-center a, .nav-links a, .nav-link {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  padding: 0 12px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 550;
  text-decoration: none;
}

.nav-center a:hover, .nav-links a:hover, .nav-link:hover,
.nav-center a[aria-current="page"], .nav-center a.active, .nav-links a.active {
  background: var(--surface-raised);
  color: var(--ink);
}

.nav-right { flex: 0 0 auto; }
.nav-link { padding-inline: 10px; }

.btn-primary, .btn-secondary, .btn {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  background: var(--accent);
  color: var(--accent-ink) !important;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none !important;
  transition: transform .16s ease, background-color .16s ease, color .16s ease;
}

.btn-primary:hover, .btn:hover {
  background: #124d86;
  border-color: #124d86;
  color: #ffffff !important;
  transform: translateY(-1px);
}

.btn-secondary {
  background: transparent;
  color: var(--ink) !important;
}

.btn-secondary:hover { background: var(--surface-raised); transform: translateY(-1px); }
.btn-lg { min-height: 54px; padding: 12px 22px; font-size: 15px; }

.hero {
  width: min(100% - 48px, 1180px);
  margin-inline: auto;
  padding: clamp(54px, 8vw, 104px) 0 clamp(64px, 9vw, 116px);
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(300px, .88fr);
  align-items: center;
  gap: clamp(40px, 8vw, 104px);
}

.hero-badge, .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 650;
  letter-spacing: .11em;
  line-height: 1.4;
  text-transform: uppercase;
}

.hero-badge { font-size: 13px; letter-spacing: .08em; }

.eyebrow::before {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  content: "";
}

.hero h1 {
  max-width: 720px;
  margin: 22px 0 20px;
  font-size: clamp(44px, 4.6vw, 64px);
  font-weight: 540;
  letter-spacing: -.075em;
  line-height: .99;
  text-wrap: balance;
}

.hero-desc {
  max-width: 610px;
  margin: 0;
  color: var(--muted);
  font-size: clamp(16px, 1.7vw, 19px);
  line-height: 1.65;
}

.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; margin-top: 30px; }
.play-badge { width: 190px; height: auto; }
.play-link { display: inline-block; border-radius: 8px; }
.play-link:focus-visible { outline: 3px solid var(--accent-ink); outline-offset: 4px; }
.hero-actions .btn-secondary { border-color: var(--line); }

.meta-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin: 28px 0 0;
  padding: 0;
  color: var(--muted);
  font-size: 13px;
  list-style: none;
}

.meta-list li { display: inline-flex; align-items: center; gap: 8px; }
.meta-list .meta-icon { width: 18px; height: 18px; flex: 0 0 18px; color: var(--accent); }

.hero-visual {
  min-height: 410px;
  padding: 30px;
  overflow: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-l);
  background: var(--blue-panel);
  color: var(--panel-ink);
}

.phone-mockup { width: min(100%, 245px); padding: 7px; position: relative; z-index: 1; border: 1px solid rgba(24, 95, 165, .25); border-radius: 32px; background: #fff; }
.phone-screen { overflow: hidden; border-radius: 25px; aspect-ratio: 1080 / 2400; }
.phone-screen img { width: 100%; height: 100%; object-fit: cover; }

.hero-visual::before {
  width: 330px;
  height: 330px;
  position: absolute;
  inset-inline-end: -150px;
  inset-block-start: 22px;
  border: 1px solid rgba(24, 95, 165, .16);
  border-radius: 50%;
  content: "";
  pointer-events: none;
}

.hero-visual::after {
  width: 210px;
  height: 210px;
  position: absolute;
  inset-inline-end: -94px;
  inset-block-start: 82px;
  border: 1px solid rgba(24, 95, 165, .28);
  border-radius: 50%;
  content: "";
  pointer-events: none;
}

.section {
  width: min(100% - 48px, 1180px);
  margin-inline: auto;
  padding: 28px 0 clamp(64px, 8vw, 102px);
  scroll-margin-top: 84px;
}

.section-header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 28px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.section-header h2 { margin: 0; font-size: clamp(30px, 4vw, 42px); font-weight: 540; letter-spacing: -.06em; line-height: 1.08; }
.section-header p { max-width: 400px; margin: 0; color: var(--muted); font-size: 15px; }

.features-layout { display: grid; grid-template-columns: minmax(270px, .78fr) minmax(0, 1.22fr); align-items: stretch; gap: clamp(24px, 5vw, 64px); }
.feature-lead { padding: 28px; display: flex; flex-direction: column; align-items: flex-start; border-radius: var(--radius-l); background: var(--accent-container); color: var(--on-accent-container); }
.feature-lead .feature-icon { width: 52px; height: 52px; margin-bottom: 34px; }
.feature-lead h3 { margin: 0 0 10px; font-size: clamp(25px, 3vw, 34px); font-weight: 570; letter-spacing: -.055em; line-height: 1.08; }
.feature-lead p { max-width: 470px; margin: 0; font-size: 15px; line-height: 1.65; }
.feature-list { display: flex; flex-direction: column; }
.feature-row { min-height: 104px; padding: 16px 0; display: grid; grid-template-columns: 44px minmax(0, 1fr); align-items: start; gap: 16px; border-bottom: 1px solid var(--line); }
.feature-row:first-child { border-top: 1px solid var(--line); }
.feature-row .feature-icon { width: 40px; height: 40px; color: var(--ink); }
.feature-row h3 { margin: 0 0 4px; font-size: 17px; font-weight: 600; letter-spacing: -.02em; }
.feature-row p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.55; }
.feature-icon { display: block; color: var(--on-accent-container); }
.feature-icon svg { width: 100%; height: 100%; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }

.curriculum {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.curriculum-col { padding: 24px 26px 26px; border: 1px solid var(--line); border-radius: var(--radius-m); background: var(--surface); }
.curriculum-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 18px; }
.curriculum-head h3 { margin: 0; font-size: 20px; font-weight: 600; letter-spacing: -.035em; }
.tag, .chip { display: inline-flex; align-items: center; padding: 6px 10px; border-radius: 999px; background: var(--surface-raised); color: var(--muted); font-size: 12px; font-weight: 600; line-height: 1.25; }
.module-list { margin: 0; padding: 0; list-style: none; }
.module-list li { padding: 10px 0; display: flex; align-items: center; gap: 12px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
.module-list .code { min-width: 42px; color: var(--ink); font: 650 12px/1.2 ui-monospace, SFMono-Regular, Consolas, monospace; }
.module-icon { width: 34px; height: 34px; flex: 0 0 34px; display: grid; place-items: center; }
.module-icon img { width: 23px; height: 23px; object-fit: contain; }
.module-name { min-width: 0; }

.lang-banner {
  width: min(100% - 48px, 1180px);
  margin: 0 auto clamp(64px, 8vw, 100px);
  padding: clamp(24px, 5vw, 48px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  border-radius: var(--radius-l);
  background: var(--surface-raised);
}

.lang-text h2 { margin: 0 0 8px; font-size: 26px; font-weight: 560; letter-spacing: -.04em; }
.lang-text p { max-width: 720px; margin: 0; color: var(--muted); font-size: 15px; }

.download-banner {
  width: min(100% - 48px, 1180px);
  margin: 0 auto clamp(64px, 8vw, 100px);
  padding: clamp(24px, 5vw, 48px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  border-radius: var(--radius-l);
  background: var(--surface-raised);
}

.download-copy h2 { margin: 0 0 8px; font-size: 26px; font-weight: 560; letter-spacing: -.04em; }
.download-copy p { max-width: 720px; margin: 0; color: var(--muted); font-size: 15px; }

footer {
  border-top: 1px solid var(--line);
  background: var(--paper);
}

.footer-inner {
  width: min(100% - 48px, 1180px);
  min-height: 106px;
  margin-inline: auto;
  padding-block: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.footer-brand { display: flex; flex-wrap: wrap; align-items: baseline; gap: 16px; }
.footer-logo { width: auto; height: 26px; }
.footer-copy { color: var(--muted); font-size: 12px; }
.footer-nav { margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 12px 20px; list-style: none; }
.footer-nav a { color: var(--muted); font-size: 13px; }

/* Privacy and terms pages share this layout across both published route copies. */
.page-hero, .headline {
  width: min(100% - 48px, 920px);
  margin: 0 auto;
  padding: clamp(42px, 6vw, 70px) 0 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 14px 20px;
  border-bottom: 1px solid var(--line);
}

.page-hero h1, .headline h1 { margin: 0; font-size: clamp(32px, 5vw, 52px); font-weight: 540; letter-spacing: -.065em; line-height: 1.05; }
.page-hero .chip, .headline .chip { background: var(--surface-raised); color: var(--muted); }

.content, main#content {
  width: min(100% - 48px, 920px);
  margin-inline: auto;
  padding: 28px 0 80px;
}

.content .card, #content .card, .content .contact-box, #content .contact {
  margin: 0 0 14px;
  padding: clamp(20px, 4vw, 30px);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: var(--surface);
}

.content .card.lead, #content .card.lead { border-inline-start: 5px solid var(--accent); }
.content .contact-box, #content .contact { background: var(--surface-raised); }
.card-head { display: flex; align-items: flex-start; gap: 14px; margin-bottom: 14px; }
.num { width: 34px; height: 34px; flex: 0 0 34px; display: inline-grid; place-items: center; border-radius: 50%; background: var(--accent-container); color: var(--on-accent-container); font: 650 13px/1 var(--font); }
.content h2, #content h2 { margin: 0; font-size: clamp(19px, 3vw, 23px); font-weight: 620; letter-spacing: -.025em; line-height: 1.35; }
.content p, #content p { margin: 0 0 12px; color: var(--muted); font-size: 15px; line-height: 1.7; }
.content p:last-child, #content p:last-child { margin-bottom: 0; }
.content .sub, #content .sub { margin: 18px 0 8px; color: var(--ink); font-size: 14px; font-weight: 650; }
.content ul.group, #content ul.group { margin: 8px 0 16px; padding-inline-start: 22px; color: var(--muted); }
.content ul.group li, #content ul.group li { padding: 4px 0; font-size: 14px; line-height: 1.6; }
.content ul.group li::marker, #content ul.group li::marker { color: var(--accent); }
.content .note, #content .note { margin-top: 14px; padding: 14px 16px; border-inline-start: 3px solid var(--accent); background: var(--paper); color: var(--muted); font-size: 14px; }
.content .btn-primary, #content .btn-primary, #content .btn { margin-top: 16px; }

.lang-picker, .picker { position: relative; flex: 0 0 auto; }
.lang-btn, .btn-tonal {
  min-height: 44px;
  padding: 8px 12px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
  font-size: 13px;
  font-weight: 550;
}

.lang-btn svg, .btn-tonal svg { width: 18px; height: 18px; flex: 0 0 auto; }
.lang-menu, .menu {
  min-width: 150px;
  position: absolute;
  z-index: 40;
  inset-block-start: calc(100% + 8px);
  inset-inline-end: 0;
  display: none;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  background: var(--surface);
}

.lang-menu.open, .menu.open { display: block; }
.lang-menu button, .menu button { width: 100%; min-height: 42px; padding: 8px 10px; display: flex; align-items: center; justify-content: space-between; gap: 20px; border: 0; border-radius: 7px; background: transparent; color: var(--ink); cursor: pointer; text-align: start; font-size: 14px; }
.lang-menu button:hover, .menu button:hover, .lang-menu button[aria-checked="true"], .menu button[aria-checked="true"] { background: var(--surface-raised); }
.menu .tick { width: 18px; height: 18px; visibility: hidden; }
.menu button[aria-checked="true"] .tick { visibility: visible; }

@media (max-width: 820px) {
  .topbar-inner, .bar-inner { width: min(100% - 32px, 1180px); gap: 12px; }
  .hero, .section, .lang-banner, .download-banner, .footer-inner { width: min(100% - 32px, 1180px); }
  .hero { grid-template-columns: minmax(0, 1fr) minmax(250px, .72fr); gap: 28px; }
  .hero-visual { min-height: 350px; padding: 24px; }
  .features-layout { grid-template-columns: minmax(240px, .85fr) minmax(0, 1.15fr); gap: 24px; }
  .nav-center, .nav-links { gap: 0; }
  .nav-center a, .nav-links a { padding-inline: 9px; font-size: 13px; }
}

@media (max-width: 640px) {
  html { scroll-padding-top: 112px; }
  .section { scroll-margin-top: 112px; }
  .topbar-inner, .bar-inner {
    width: calc(100% - 28px);
    min-height: 0;
    padding-block: 12px;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 10px 12px;
  }
  .nav-center, .nav-links {
    grid-column: 1 / -1;
    width: 100%;
    min-width: 0;
    overflow-x: auto;
    scrollbar-width: none;
    border-top: 1px solid var(--line);
  }
  .nav-center::-webkit-scrollbar, .nav-links::-webkit-scrollbar { display: none; }
  .nav-center a, .nav-links a { flex: 0 0 auto; min-height: 38px; padding-inline: 10px; }
  .nav-right { grid-column: 2; grid-row: 1; }
  .nav-right .nav-link { min-height: 40px; }
  .brand-logo { height: 28px; }
  .brand-text { font-size: 18px; }
  .bar-inner > .grow { display: none; }
  .bar-title { display: none; }
  .hero, .section, .lang-banner, .download-banner, .footer-inner { width: calc(100% - 32px); }
  .hero { padding-block: 46px 62px; grid-template-columns: 1fr; gap: 32px; }
  .hero h1 { max-width: 580px; font-size: clamp(44px, 13vw, 64px); }
  .hero h1 br { display: none; }
  .hero-visual { min-height: 290px; padding: 28px 16px; }
  .phone-mockup { width: min(72vw, 245px); }
  .hero-year { font-size: clamp(96px, 31vw, 138px); }
  .section { padding-top: 10px; }
  .section-header { align-items: flex-start; flex-direction: column; gap: 8px; }
  .features-layout { grid-template-columns: 1fr; }
  .feature-lead { min-height: 270px; }
  .feature-lead h3 { margin-top: 38px; }
  .curriculum { grid-template-columns: 1fr; }
  .curriculum-col { padding: 20px; }
  .module-list li { gap: 9px; }
  .module-list .code { min-width: 40px; }
  .module-icon { width: 30px; height: 30px; flex-basis: 30px; }
  .module-icon img { width: 21px; height: 21px; }
  .lang-banner, .download-banner { margin-bottom: 60px; align-items: flex-start; flex-direction: column; }
  .footer-inner { align-items: flex-start; flex-direction: column; gap: 18px; }
  .footer-brand { align-items: flex-start; flex-direction: column; gap: 6px; }
  .footer-nav { gap: 10px 16px; }
  .page-hero, .headline, .content, main#content { width: calc(100% - 32px); }
  .page-hero, .headline { padding-top: 36px; }
  .content, main#content { padding-top: 18px; }
  .content .card, #content .card, .content .contact-box, #content .contact { padding: 20px; }
}

@media (max-width: 390px) {
  .topbar-inner, .bar-inner { width: calc(100% - 24px); }
  .hero, .section, .lang-banner, .download-banner, .footer-inner, .page-hero, .headline, .content, main#content { width: calc(100% - 28px); }
  .nav-center a, .nav-links a { padding-inline: 8px; font-size: 12px; }
  .play-badge { width: 174px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}