:root {
  --bg: #0c1614;
  --card: #13211e;
  --ink: #e8f4f1;
  --muted: #9bb4ae;
  --teal: #1aa38f;
  --line: #243834;
  --gold: #c9a227;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { margin: 0; }
body {
  font-family: Sora, Segoe UI, sans-serif;
  background:
    radial-gradient(900px 420px at 8% -8%, #1a3d36, transparent 55%),
    radial-gradient(700px 380px at 100% 10%, #12241f, transparent 45%),
    var(--bg);
  color: var(--ink);
}
a { color: var(--teal); text-decoration: none; }
h1, h2, h3 { font-weight: 700; }
h2 { font-size: clamp(26px, 3vw, 36px); margin: 0 0 10px; }
h3 { margin: 0 0 8px; }
.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 18px 8%;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  background: rgba(12, 22, 20, .92);
  backdrop-filter: blur(10px);
  z-index: 20;
}
.nav-brand { color: var(--ink); font-weight: 700; letter-spacing: .08em; }
.nav nav { display: flex; gap: 16px; flex-wrap: wrap; font-size: 14px; }
.nav nav a { color: var(--muted); }
.nav nav a:hover { color: var(--ink); }
.burger { display: none; cursor: pointer; }
.burger span, .burger span:before, .burger span:after {
  display: block; width: 22px; height: 2px; background: var(--ink); position: relative;
}
.burger span:before, .burger span:after { content: ""; position: absolute; left: 0; }
.burger span:before { top: -7px; }
.burger span:after { top: 7px; }
.hero, .section { padding: 72px 8%; }
.hero {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 40px;
  align-items: center;
}
.kicker { letter-spacing: .16em; text-transform: uppercase; color: var(--teal); font-size: 12px; margin: 0 0 8px; }
.hero h1 { font-size: clamp(32px, 5vw, 56px); line-height: 1.08; margin: 8px 0 16px; }
.lead { max-width: 560px; color: var(--muted); font-size: 18px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 22px; }
.hero-card, .feat, .pack, .pay-methods > div, .order-side, .pay-box, .os-chip {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
}
.hero-card { padding: 24px; }
.hero-list { list-style: none; margin: 16px 0 0; padding: 0; color: var(--muted); }
.hero-list li { margin: 10px 0; padding-left: 0; }
.hero-list strong { color: var(--ink); }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--teal);
  color: #06221d;
  border: 0;
  border-radius: 12px;
  padding: 12px 18px;
  font-weight: 700;
  cursor: pointer;
  font: inherit;
}
.btn.ghost, .btn.small { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.btn.small { padding: 8px 12px; font-size: 13px; }
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  padding: 0 8% 8px;
}
.stats div {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px 16px;
}
.stats strong { display: block; font-size: 22px; }
.stats span { color: var(--muted); font-size: 13px; }
.feat-grid, .pack-grid, .os-grid {
  display: grid;
  gap: 16px;
  margin-top: 24px;
}
.feat-grid { grid-template-columns: repeat(3, 1fr); }
.feat { padding: 22px; }
.feat p, .muted { color: var(--muted); }
.pack-grid { grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }
.pack { padding: 20px; display: flex; flex-direction: column; }
.pack.featured { border-color: var(--gold); box-shadow: 0 0 0 1px var(--gold) inset; }
.ribbon {
  display: inline-flex;
  align-self: flex-start;
  font-size: 11px;
  letter-spacing: .03em;
  color: #1a1404;
  background: var(--gold);
  border-radius: 999px;
  padding: 4px 10px;
  font-weight: 700;
  margin: 0 0 10px;
}
.price { font-size: 22px; font-weight: 700; margin: 8px 0 12px; }
.price span { font-size: 13px; color: var(--muted); font-weight: 500; }
.pack ul, .ticks { list-style: none; padding: 0; margin: 0 0 16px; color: var(--muted); }
.pack ul { flex: 1; }
.pack li, .ticks li { margin: 6px 0; }
.table-wrap { overflow-x: auto; margin-top: 28px; }
.compare { width: 100%; border-collapse: collapse; font-size: 14px; }
.compare th, .compare td { text-align: left; padding: 12px 10px; border-bottom: 1px solid var(--line); }
.compare th { color: var(--muted); font-weight: 500; }
.os-grid { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
.os-chip { padding: 14px 16px; text-align: center; font-size: 14px; }
.os-chip.on { border-color: var(--teal); color: var(--teal); }
.steps { list-style: none; margin: 24px 0 0; padding: 0; display: grid; gap: 14px; }
.steps li {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 4px 16px;
  align-items: start;
  padding: 16px 18px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
}
.steps li::before {
  counter-increment: step;
  content: counter(step);
  width: 36px; height: 36px; border-radius: 10px;
  background: #0e2a26; color: var(--teal);
  display: flex; align-items: center; justify-content: center; font-weight: 700;
  grid-row: 1 / span 2;
}
.steps strong, .steps span { grid-column: 2; }
.steps { counter-reset: step; }
.steps strong { display: block; }
.steps span { color: var(--muted); font-size: 14px; }
.pay-methods { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 24px; }
.pay-methods > div { padding: 22px; }
.pay-methods p { color: var(--muted); }
.split { display: grid; grid-template-columns: 1.3fr .7fr; gap: 32px; align-items: center; }
.ticks li::before { content: "✓ "; color: var(--teal); }
.faq details {
  border-bottom: 1px solid var(--line);
  padding: 14px 0;
}
.faq summary { cursor: pointer; font-weight: 600; }
.faq p { color: var(--muted); margin: 8px 0 0; }
.order-wrap { display: grid; grid-template-columns: 1.1fr .7fr; gap: 32px; align-items: start; }
.order-form, .narrow { max-width: 520px; }
.order-form { display: grid; gap: 14px; margin-top: 20px; }
.order-form label { display: grid; gap: 6px; font-size: 14px; color: var(--muted); }
.order-form input, .order-form select {
  background: #0e1b18;
  border: 1px solid var(--line);
  color: var(--ink);
  border-radius: 10px;
  padding: 12px;
  font: inherit;
}
.order-side { padding: 22px; }
.order-side ol { color: var(--muted); padding-left: 18px; }
.order-side li { margin: 8px 0; }
.flash { padding: 12px 14px; border-radius: 12px; margin: 12px 0; }
.flash.ok { background: #123c2a; }
.flash.err { background: #3c121c; }
.pay-box {
  padding: 24px;
  margin: 16px 0 24px;
}
.pay-amount { font-size: 40px; font-weight: 700; }
.pay-alt { margin-top: 28px; padding-top: 22px; border-top: 1px solid var(--line); }
.pay-alt .btn { margin-top: 8px; }
.foot {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding: 36px 8%;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}
.foot strong { display: block; color: var(--ink); margin-bottom: 6px; }
.foot p { margin: 0; }
@media (max-width: 960px) {
  .hero, .feat-grid, .pay-methods, .split, .order-wrap, .stats, .foot {
    grid-template-columns: 1fr 1fr;
  }
  .hero, .split, .order-wrap { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .nav nav {
    display: none;
    position: absolute;
    top: 62px; left: 0; right: 0;
    background: #0c1614;
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    padding: 16px 8% 20px;
  }
  #nav-toggle:checked ~ nav { display: flex; }
  .burger { display: block; }
  .stats, .feat-grid, .pay-methods, .foot { grid-template-columns: 1fr; }
  .hero, .section, .stats, .foot, .nav { padding-left: 6%; padding-right: 6%; }
}