:root {
  --orange: #F26522;
  --orange-dark: #E9571A;
  --orange-light: #FF8A4C;
  --orange-pale: #FFF1E8;
  --gold: #F7C548;
  --ink: #1B1F2A;
  --ink-soft: #4B5160;
  --muted: #7A8091;
  --line: #EEE6E0;
  --bg: #FFFBF8;
  --card: #FFFFFF;
  --green: #1E9E5A;
  --radius: 20px;
  --shadow: 0 10px 30px rgba(233, 87, 26, 0.10);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Be Vietnam Pro", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--orange-dark); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { line-height: 1.2; margin: 0 0 12px; letter-spacing: -0.01em; }
h1 { font-size: clamp(34px, 5vw, 56px); font-weight: 800; }
h2 { font-size: clamp(26px, 3.4vw, 38px); font-weight: 800; }
h3 { font-size: 18px; font-weight: 700; }
p { margin: 0 0 12px; }
.muted { color: var(--muted); }
.container { width: min(1120px, 100% - 40px); margin: 0 auto; }
.section { padding: 80px 0; }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 48px; }
.section-head p { color: var(--ink-soft); font-size: 17px; }
.eyebrow {
  display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--orange-dark); background: var(--orange-pale);
  padding: 6px 12px; border-radius: 999px; margin-bottom: 14px;
}

/* Header */
.header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 251, 248, 0.9); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header .container { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 20px; color: var(--ink); }
.brand img { width: 38px; height: 38px; border-radius: 10px; }
.brand:hover { text-decoration: none; }
.nav { display: flex; gap: 28px; align-items: center; }
.nav a { color: var(--ink-soft); font-weight: 600; font-size: 15px; }
.nav a:hover { color: var(--orange-dark); text-decoration: none; }
.nav-toggle { display: none; background: none; border: 0; font-size: 26px; cursor: pointer; color: var(--ink); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 24px; border-radius: 14px; font-weight: 700; font-size: 16px;
  border: 2px solid transparent; cursor: pointer; transition: transform .15s, box-shadow .15s;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: linear-gradient(135deg, var(--orange-light), var(--orange-dark)); color: #fff; box-shadow: 0 8px 20px rgba(233, 87, 26, .3); }
.btn-outline { background: #fff; color: var(--ink); border-color: var(--line); }
.btn-outline:hover { border-color: var(--orange); }
.btn-sm { padding: 10px 18px; font-size: 14px; border-radius: 12px; }

/* Hero */
.hero {
  position: relative; overflow: hidden;
  padding: 80px 0 40px;
  background:
    radial-gradient(600px 400px at 85% 10%, rgba(255, 138, 76, .25), transparent 70%),
    radial-gradient(500px 400px at 5% 90%, rgba(247, 197, 72, .25), transparent 70%),
    var(--bg);
}
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.hero p.lead { font-size: 19px; color: var(--ink-soft); max-width: 540px; margin: 18px 0 28px; }
.hero .actions { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.hero .note { font-size: 14px; color: var(--muted); margin-top: 14px; }
.hero-visual { position: relative; display: flex; justify-content: center; }
.phone {
  width: 300px; border-radius: 40px; padding: 12px; background: var(--ink);
  box-shadow: 0 30px 60px rgba(27, 31, 42, .25);
}
.phone img { border-radius: 30px; width: 100%; aspect-ratio: 9 / 16; object-fit: cover; }
.float {
  position: absolute; background: #fff; border-radius: 16px; padding: 12px 16px;
  box-shadow: var(--shadow); font-weight: 700; font-size: 14px; display: flex; gap: 10px; align-items: center;
}
.float .ic { width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; font-size: 18px; }
.float small { display: block; font-weight: 500; color: var(--muted); font-size: 12px; }
.float-1 { top: 110px; left: 4%; }
.float-2 { bottom: 110px; right: 2%; }
.float-3 { top: 52%; left: 0; }

/* Stats strip */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 56px; }
.stat { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 18px 20px; }
.stat b { display: block; font-size: 26px; color: var(--orange-dark); font-weight: 800; }
.stat span { font-size: 14px; color: var(--muted); }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.step { background: var(--card); border-radius: var(--radius); padding: 28px; border: 1px solid var(--line); position: relative; }
.step .num {
  width: 44px; height: 44px; border-radius: 14px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--orange-light), var(--orange-dark)); color: #fff; font-weight: 800; font-size: 18px; margin-bottom: 18px;
}
.step .emoji { position: absolute; top: 22px; right: 24px; font-size: 32px; }
.step p { color: var(--ink-soft); margin: 0; }

/* Features */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feature { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; transition: transform .15s, box-shadow .15s; }
.feature:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.feature .ic { width: 52px; height: 52px; border-radius: 16px; display: grid; place-items: center; font-size: 26px; margin-bottom: 16px; }
.feature p { color: var(--ink-soft); margin: 0; font-size: 15px; }
.bg-orange { background: var(--orange-pale); }
.bg-green { background: #E8F7EE; }
.bg-blue { background: #E9F0FF; }
.bg-gold { background: #FFF6DA; }
.bg-purple { background: #F1EAFF; }
.bg-pink { background: #FFE9EE; }

/* Platforms */
.platforms { background: var(--ink); color: #fff; border-radius: 28px; padding: 56px; display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.platforms h2 { color: #fff; }
.platforms p { color: #C9CDD8; }
.platform-list { display: grid; gap: 12px; }
.platform {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12); border-radius: 16px; padding: 16px 20px;
}
.platform b { font-size: 17px; }
.platform span { font-size: 13px; color: #C9CDD8; }
.tag { font-size: 12px; font-weight: 700; padding: 5px 10px; border-radius: 999px; }
.tag-live { background: rgba(30,158,90,.2); color: #6FE0A0; }
.tag-soon { background: rgba(247,197,72,.15); color: var(--gold); }

/* Screens */
.screens { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.screen { text-align: center; }
.screen .frame { border-radius: 28px; padding: 8px; background: var(--ink); box-shadow: 0 20px 40px rgba(27,31,42,.18); }
.screen img { border-radius: 22px; width: 100%; aspect-ratio: 9 / 16; object-fit: cover; }
.screen b { display: block; margin-top: 14px; font-size: 15px; }
.screen span { font-size: 13px; color: var(--muted); }

/* FAQ */
.faq { max-width: 760px; margin: 0 auto; display: grid; gap: 12px; }
.faq details { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 4px 22px; }
.faq summary { cursor: pointer; font-weight: 700; padding: 16px 0; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 22px; color: var(--orange-dark); font-weight: 400; }
.faq details[open] summary::after { content: "−"; }
.faq details p { color: var(--ink-soft); padding-bottom: 16px; margin: 0; }

/* CTA */
.cta {
  border-radius: 28px; padding: 56px; text-align: center; color: #fff;
  background: linear-gradient(135deg, var(--orange-light), var(--orange-dark));
  position: relative; overflow: hidden;
}
.cta::before { content: ""; position: absolute; inset: -40% 40% auto auto; width: 420px; height: 420px; border-radius: 50%; background: rgba(255,255,255,.12); }
.cta h2 { color: #fff; }
.cta p { color: rgba(255,255,255,.9); max-width: 560px; margin: 0 auto 28px; font-size: 17px; }
.store-badges { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; position: relative; }
.store {
  display: inline-flex; align-items: center; gap: 12px; background: var(--ink); color: #fff; border-radius: 14px; padding: 10px 18px; min-width: 190px; text-align: left;
}
.store:hover { text-decoration: none; background: #000; }
.store .ic { font-size: 26px; }
.store small { display: block; font-size: 11px; color: #C9CDD8; line-height: 1; }
.store b { font-size: 17px; line-height: 1.2; }

/* Footer */
.footer { padding: 56px 0 32px; border-top: 1px solid var(--line); background: #fff; }
.footer .grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 32px; }
.footer h4 { margin: 0 0 14px; font-size: 14px; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
.footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.footer ul a { color: var(--ink-soft); font-size: 15px; }
.footer .brand-desc { color: var(--ink-soft); font-size: 15px; max-width: 360px; margin-top: 14px; }
.footer .legal { margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--line); font-size: 13px; color: var(--muted); display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.disclaimer { font-size: 13px; color: var(--muted); margin-top: 16px; line-height: 1.6; }

/* Legal / document pages */
.doc { padding: 56px 0 80px; }
.doc .container { max-width: 800px; }
.doc h1 { font-size: clamp(30px, 4vw, 42px); }
.doc h2 { font-size: 22px; margin-top: 40px; }
.doc h3 { font-size: 17px; margin-top: 24px; }
.doc p, .doc li { color: var(--ink-soft); font-size: 16px; }
.doc ul, .doc ol { padding-left: 22px; }
.doc li { margin-bottom: 8px; }
.doc .updated { color: var(--muted); font-size: 14px; margin-bottom: 32px; }
.doc .box { background: var(--orange-pale); border-left: 4px solid var(--orange); padding: 16px 20px; border-radius: 12px; margin: 24px 0; }
.doc .box p { margin: 0; color: var(--ink); }
.doc table { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: 15px; }
.doc th, .doc td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.doc th { color: var(--ink); font-weight: 700; background: #FFF7F2; }
.doc .table-wrap { overflow-x: auto; }

/* Responsive */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero p.lead { margin-left: auto; margin-right: auto; }
  .hero .actions { justify-content: center; }
  .hero-visual { margin-top: 24px; }
  .float-3 { display: none; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .steps, .features { grid-template-columns: 1fr 1fr; }
  .platforms { grid-template-columns: 1fr; padding: 36px; }
  .screens { grid-template-columns: repeat(2, 1fr); }
  .footer .grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .section { padding: 56px 0; }
  .nav { display: none; position: absolute; top: 68px; left: 0; right: 0; flex-direction: column; background: #fff; padding: 20px; border-bottom: 1px solid var(--line); gap: 18px; }
  .nav.open { display: flex; }
  .nav-toggle { display: block; }
  .steps, .features { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .screens { grid-template-columns: 1fr 1fr; gap: 14px; }
  .phone { width: 250px; }
  .float-1 { top: 60px; left: 0; }
  .float-2 { bottom: 60px; right: 0; }
  .cta { padding: 40px 24px; }
  .footer .grid { grid-template-columns: 1fr; }
}