:root {
  --bg: #061218;
  --card: #1c2123;
  --card-2: #252b2d;
  --line: rgba(255, 255, 255, .08);
  --text: #eef3f3;
  --text-2: #b4bfc0;
  --muted: #7f8b8d;
  --radius: 22px;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  margin: 0; color: var(--text); font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background:
    radial-gradient(1000px 600px at 10% -10%, rgba(var(--a-rgb), .16), transparent 60%),
    radial-gradient(800px 500px at 100% 20%, rgba(var(--ahi-rgb), .06), transparent 60%),
    var(--bg);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent-hi); text-decoration: none; }
a:hover { text-decoration: underline; }
img, svg { max-width: 100%; }
[hidden] { display: none !important; }
.wrap { max-width: 1160px; margin: 0 auto; padding: 0 20px; }
.wrap-narrow { max-width: 820px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 44px; padding: 0 20px; border-radius: 999px;
  font: 600 15px/1 inherit; border: 0; cursor: pointer; white-space: nowrap; text-decoration: none !important; transition: transform .15s, background .2s, box-shadow .2s;
}
.btn:active { transform: scale(.97); }
.btn-primary { color: #fff; background: linear-gradient(135deg, var(--accent), var(--accent-2)); box-shadow: 0 10px 26px rgba(var(--a-rgb), .35); }
.btn-primary:hover { box-shadow: 0 12px 32px rgba(var(--a-rgb), .5); }
.btn-ghost { color: var(--text); background: rgba(255, 255, 255, .06); box-shadow: inset 0 0 0 1px var(--line); }
.btn-ghost:hover { background: rgba(255, 255, 255, .1); }
.btn-lg { height: 54px; padding: 0 28px; font-size: 16px; }
.btn-sm { height: 36px; padding: 0 16px; font-size: 14px; }

.nav { position: sticky; top: 0; z-index: 20; backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); background: rgba(6, 18, 24, .6); border-bottom: 1px solid transparent; transition: border-color .2s, background .2s; }
.nav.scrolled { border-color: var(--line); background: rgba(6, 18, 24, .85); }
.nav-in { display: flex; align-items: center; gap: 24px; height: 68px; }
.logo { display: inline-flex; align-items: center; gap: 10px; color: var(--text); font-weight: 700; font-size: 18px; text-decoration: none !important; }
.logo-mark { width: 34px; height: 34px; border-radius: 11px; display: grid; place-items: center; background: linear-gradient(135deg, var(--accent-2), var(--accent)); }
.logo-mark svg { width: 20px; height: 20px; fill: none; stroke: #fff; stroke-width: 2.6; stroke-linecap: round; stroke-linejoin: round; }
.nav-links { display: flex; gap: 22px; margin-left: auto; }
.nav-links a { color: var(--text-2); font-size: 15px; }
.nav-links a:hover { color: var(--text); text-decoration: none; }

.hero { padding: 64px 0 40px; }
.hero-in { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr); gap: 56px; align-items: center; }
.eyebrow { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 18px; }
.eyebrow span { font-size: 13px; font-weight: 600; color: var(--accent-hi); background: rgba(var(--a-rgb), .12); border: 1px solid rgba(var(--ahi-rgb), .25); padding: 5px 12px; border-radius: 999px; }
h1 { font-size: clamp(34px, 4.4vw, 52px); line-height: 1.08; letter-spacing: -1.2px; margin: 0 0 18px; }
.lead { font-size: 18px; color: var(--text-2); margin: 0 0 28px; max-width: 580px; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; }
.checks { list-style: none; padding: 0; margin: 26px 0 0; display: flex; flex-wrap: wrap; gap: 10px 22px; color: var(--text-2); font-size: 14px; }
.checks li { display: flex; align-items: center; gap: 8px; }
.checks li::before { content: ""; width: 16px; height: 16px; border-radius: 50%; background: rgba(var(--a-rgb), .2) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232dd4bf' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center / 10px no-repeat; }

.mock { position: relative; padding: 24px; }
.mock-card { background: linear-gradient(160deg, #263033, var(--card) 60%); border: 1px solid var(--line); border-radius: 28px; padding: 24px; box-shadow: 0 40px 80px rgba(0, 0, 0, .45); }
.mock-top { display: flex; justify-content: space-between; align-items: center; color: var(--text-2); font-weight: 600; }
.mock-lock { width: 32px; height: 32px; border-radius: 10px; display: grid; place-items: center; background: rgba(var(--a-rgb), .15); }
.mock svg { width: 18px; height: 18px; fill: none; stroke: var(--accent-hi); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.mock-sum { font-size: 40px; font-weight: 800; letter-spacing: -1px; margin-top: 10px; }
.mock-delta { display: inline-block; font-size: 13px; font-weight: 700; color: #22c55e; background: rgba(34, 197, 94, .12); padding: 3px 10px; border-radius: 999px; }
.mock-bars { display: flex; align-items: flex-end; gap: 6px; height: 110px; margin: 22px 0 18px; }
.mock-bars i { flex: 1; border-radius: 5px 5px 2px 2px; background: var(--accent); opacity: .85; }
.mock-bars i:nth-child(6) { opacity: 1; background: var(--accent-hi); }
.mock-row { display: flex; align-items: center; gap: 10px; padding: 9px 0; border-top: 1px solid var(--line); font-size: 14px; }
.mock-row .dot { width: 10px; height: 10px; border-radius: 3px; }
.mock-row span { flex: 1; color: var(--text-2); }
.mock-row em { font-style: normal; font-weight: 700; }
.mock-float { position: absolute; display: flex; align-items: center; gap: 10px; background: #0f1d22; border: 1px solid var(--line); border-radius: 16px; padding: 10px 14px; font-size: 13px; color: var(--text-2); box-shadow: 0 16px 40px rgba(0, 0, 0, .4); }
.mock-float b { color: var(--text); }
.mock-float-1 { left: -18px; bottom: -8px; }
.mock-float-2 { right: -10px; top: -2px; }

.section { padding: 72px 0; }
.section-alt { background: linear-gradient(180deg, rgba(255, 255, 255, .02), rgba(255, 255, 255, .035)); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
h2 { font-size: clamp(28px, 3.6vw, 40px); line-height: 1.15; letter-spacing: -.6px; margin: 0 0 12px; }
.sub { color: var(--text-2); font-size: 17px; margin: 0 0 36px; max-width: 680px; }
h3 { font-size: 18px; margin: 0 0 8px; line-height: 1.3; }

.cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.card p, .sec p { margin: 0; color: var(--text-2); font-size: 15px; }

.sec-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.sec { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.sec-ic { width: 44px; height: 44px; border-radius: 14px; display: grid; place-items: center; background: rgba(var(--a-rgb), .14); margin-bottom: 14px; }
.sec-ic svg { width: 22px; height: 22px; fill: none; stroke: var(--accent-hi); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

.steps { list-style: none; padding: 0; margin: 28px 0 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; counter-reset: s; }
.steps li { counter-increment: s; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 22px 22px 76px; position: relative; }
.steps li::before { content: counter(s); position: absolute; left: 22px; top: 22px; width: 38px; height: 38px; border-radius: 12px; display: grid; place-items: center; font-weight: 800; color: #fff; background: linear-gradient(135deg, var(--accent), var(--accent-2)); }
.steps b { display: block; font-size: 17px; }
.steps span { color: var(--text-2); font-size: 15px; }

.faq { display: flex; flex-direction: column; gap: 10px; }
.faq details { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 0 20px; }
.faq summary { cursor: pointer; list-style: none; padding: 18px 30px 18px 0; font-weight: 600; font-size: 17px; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 0; top: 14px; font-size: 24px; color: var(--accent-hi); transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { margin: 0 0 18px; color: var(--text-2); }

.final-in { text-align: center; }
.final-in p { color: var(--text-2); margin: 0 0 24px; }
.big404 { font-size: 96px; font-weight: 800; margin: 0; color: var(--accent-hi); line-height: 1; }

.foot { border-top: 1px solid var(--line); padding: 40px 0 90px; color: var(--muted); font-size: 14px; }
.foot-in { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 28px; }
.foot p { margin: 8px 0 0; }
.foot-links { display: flex; flex-direction: column; gap: 8px; }
.foot-links a { color: var(--text-2); }

.doc { padding: 40px 0 72px; }
.doc-in { display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: 32px; align-items: start; }
.doc-nav { position: sticky; top: 90px; display: flex; flex-direction: column; gap: 4px; }
.doc-nav a { color: var(--text-2); padding: 10px 14px; border-radius: 12px; font-size: 14px; line-height: 1.35; }
.doc-nav a:hover { background: rgba(255, 255, 255, .05); text-decoration: none; }
.doc-nav a[aria-current] { color: var(--accent-hi); background: rgba(var(--a-rgb), .12); }
.doc-body { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 36px 40px; }
.doc-body h1 { font-size: clamp(26px, 3.4vw, 36px); letter-spacing: -.5px; }
.doc-body h2 { font-size: 20px; margin: 30px 0 10px; letter-spacing: 0; }
.doc-body p, .doc-body li { color: var(--text-2); font-size: 15.5px; }
.doc-body ul { padding-left: 20px; }
.doc-body li { margin: 4px 0; }
.doc-date { color: var(--muted) !important; font-size: 14px !important; margin-top: -8px; }
.table { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; color: var(--text-2); }
th { color: var(--text); font-weight: 600; }
code { background: var(--card-2); padding: 2px 6px; border-radius: 6px; font-size: 13px; }

.cookie {
  position: fixed; left: 50%; bottom: 16px; transform: translateX(-50%); z-index: 50; width: min(calc(100% - 32px), 640px);
  display: flex; align-items: center; gap: 16px; padding: 14px 16px 14px 20px; border-radius: 18px; background: #0f1d22; border: 1px solid var(--line); box-shadow: 0 20px 50px rgba(0, 0, 0, .5);
}
.cookie p { margin: 0; flex: 1; font-size: 14px; color: var(--text-2); }

@media (max-width: 1000px) {
  .hero-in { grid-template-columns: 1fr; }
  .mock { max-width: 460px; margin: 0 auto; width: 100%; }
  .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sec-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .doc-in { grid-template-columns: 1fr; }
  .doc-nav { position: static; flex-direction: row; overflow-x: auto; }
  .doc-nav a { white-space: nowrap; }
}
@media (max-width: 680px) {
  .nav-links { display: none; }
  .nav-in { justify-content: space-between; }
  .hero { padding: 36px 0 20px; }
  .lead { font-size: 16.5px; }
  .cta .btn { flex: 1; }
  .cards, .sec-grid, .steps { grid-template-columns: 1fr; }
  .section { padding: 52px 0; }
  .foot-in { grid-template-columns: 1fr; }
  .doc-body { padding: 24px 20px; }
  .cookie { flex-direction: column; align-items: stretch; text-align: left; }
  .mock-float-1 { left: 0; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }