:root {
  color-scheme: dark;
  --bg: #07121d;
  --panel: rgba(12, 30, 44, 0.76);
  --panel-strong: rgba(8, 22, 34, 0.94);
  --line: rgba(149, 212, 225, 0.2);
  --muted: #aac1ca;
  --text: #effbfd;
  --accent: #75e0dd;
  --accent-strong: #3dc4c3;
  --warm: #f8c76a;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  min-width: 320px;
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 12% -4%, rgba(70, 204, 198, 0.2), transparent 35rem),
    radial-gradient(circle at 90% 18%, rgba(89, 145, 228, 0.16), transparent 33rem),
    var(--bg);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}

a { color: inherit; }
a:focus-visible, summary:focus-visible { outline: 3px solid var(--warm); outline-offset: 4px; }
.skip { position: absolute; left: -9999px; top: 0; z-index: 10; }
.skip:focus { left: 1rem; top: 1rem; padding: .7rem 1rem; border-radius: .65rem; background: #fff; color: #111; }
.shell { width: min(1120px, calc(100% - 2rem)); margin: 0 auto; }
.eyebrow { margin: 0 0 .7rem; color: var(--accent); font-size: .78rem; font-weight: 750; letter-spacing: .12em; text-transform: uppercase; }
.muted { color: var(--muted); }
.section { padding: 4.5rem 0 0; scroll-margin-top: 6rem; }
.section h2 { max-width: 44rem; margin: 0; font-size: clamp(1.65rem, 3vw, 2.5rem); line-height: 1.15; }
.section-intro { max-width: 44rem; margin: 1rem 0 0; color: var(--muted); }

.topbar { position: sticky; top: 0; z-index: 5; border-bottom: 1px solid var(--line); background: rgba(7, 18, 29, .78); backdrop-filter: blur(18px); }
.nav { display: flex; min-height: 4.6rem; align-items: center; justify-content: space-between; gap: 1rem; }
.brand { color: var(--text); font-size: .92rem; font-weight: 800; letter-spacing: .08em; text-decoration: none; text-transform: uppercase; }
.nav-links { display: flex; align-items: center; gap: .35rem; }
.nav-links a { padding: .45rem .6rem; border-radius: .55rem; color: var(--muted); font-size: .88rem; text-decoration: none; }
.nav-links a:hover { color: var(--text); background: rgba(255,255,255,.06); }
.nav-links a.button-primary, .nav-links a.button-primary:hover { color: #032526; background: var(--accent-strong); }

.hero { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(16rem, .75fr); gap: 2rem; padding: clamp(4rem, 9vw, 8rem) 0 3rem; }
.hero h1 { max-width: 13ch; margin: 0; font-size: clamp(2.65rem, 6vw, 5.3rem); line-height: .98; letter-spacing: -.055em; }
.hero h1 em { color: var(--accent); font-style: normal; }
.hero-copy { max-width: 43rem; margin: 1.45rem 0 0; color: var(--muted); font-size: clamp(1rem, 1.8vw, 1.18rem); }
.actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.8rem; }
.button { display: inline-flex; min-height: 3rem; align-items: center; justify-content: center; gap: .5rem; padding: .72rem 1rem; border: 1px solid var(--line); border-radius: .8rem; color: var(--text); font-weight: 750; text-decoration: none; transition: transform .16s ease, background .16s ease, border-color .16s ease; }
.button:hover { transform: translateY(-2px); border-color: var(--accent); }
.button-primary { border-color: var(--accent-strong); background: var(--accent-strong); color: #032526; }
.button-primary:hover { background: var(--accent); }
.hero-card, .card { border: 1px solid var(--line); border-radius: 1.25rem; background: var(--panel); box-shadow: 0 18px 50px rgba(0,0,0,.18); }
.hero-card { align-self: end; padding: 1.45rem; }
.hero-card h2 { margin: .35rem 0 .8rem; font-size: 1.25rem; }
.hero-card p { margin: .5rem 0; color: var(--muted); }
.hero-card strong { color: var(--text); }
.meta { display: grid; gap: .85rem; margin-top: 1.15rem; padding-top: 1.1rem; border-top: 1px solid var(--line); }
.meta div { display: flex; justify-content: space-between; gap: 1rem; font-size: .88rem; }
.meta span { color: var(--muted); }

.grid { display: grid; gap: 1rem; margin-top: 1.8rem; }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.card { padding: 1.4rem; }
.card h3 { margin: .1rem 0 .55rem; font-size: 1.12rem; }
.card p { margin: 0; color: var(--muted); }
.number { display: inline-flex; width: 2.1rem; height: 2.1rem; align-items: center; justify-content: center; margin-bottom: 1rem; border: 1px solid var(--line); border-radius: 50%; color: var(--accent); font-weight: 800; }

.price { position: relative; overflow: hidden; padding: 1.7rem; }
.price::after { position: absolute; right: -2rem; bottom: -3rem; width: 12rem; height: 12rem; border-radius: 50%; background: rgba(117,224,221,.1); content: ""; }
.price-value { margin: .4rem 0; font-size: 2.4rem; font-weight: 850; letter-spacing: -.055em; }
.price-value small { font-size: 1rem; font-weight: 650; letter-spacing: normal; }
.checklist { display: grid; gap: .7rem; margin: 1.15rem 0 0; padding: 0; list-style: none; }
.checklist li { position: relative; padding-left: 1.5rem; color: var(--muted); }
.checklist li::before { position: absolute; left: 0; color: var(--accent); content: "✓"; font-weight: 800; }
.notice { margin-top: 1rem; padding: 1rem 1.1rem; border: 1px solid rgba(248,199,106,.32); border-radius: .9rem; background: rgba(248,199,106,.08); color: #f7dfad; font-size: .93rem; }

.faq { display: grid; gap: .8rem; margin-top: 1.5rem; }
details { border: 1px solid var(--line); border-radius: .9rem; background: var(--panel); }
summary { padding: 1rem 1.15rem; cursor: pointer; font-weight: 750; }
details p { max-width: 52rem; margin: 0; padding: 0 1.15rem 1.1rem; color: var(--muted); }
.documents { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: 1.5rem; }
.document { padding: 1.4rem; border: 1px solid var(--line); border-radius: 1rem; background: var(--panel-strong); }
.document h3 { margin-top: 0; }
.document p, .document li { color: var(--muted); }
.document ul { padding-left: 1.1rem; }
.document a { color: var(--accent); }
.support { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem; margin-top: 1.5rem; padding: 1.4rem; border: 1px solid var(--line); border-radius: 1.1rem; background: linear-gradient(110deg, rgba(61,196,195,.14), rgba(8,22,34,.92)); }
.support p { margin: .2rem 0 0; color: var(--muted); }
.footer { margin-top: 4.5rem; padding: 2rem 0; border-top: 1px solid var(--line); color: var(--muted); font-size: .85rem; }
.footer-row { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .75rem; }

@media (max-width: 760px) {
  .nav { padding: .7rem 0; align-items: flex-start; }
  .nav-links { justify-content: flex-end; flex-wrap: wrap; }
  .nav-links a:not(.button) { display: none; }
  .hero { grid-template-columns: 1fr; padding-top: 3.8rem; }
  .hero h1 { max-width: 11ch; }
  .grid-3, .documents { grid-template-columns: 1fr; }
  .section { padding-top: 3.4rem; }
}