:root {
  --ink: #f4f8fb;
  --muted: #95a4b5;
  --faint: #657486;
  --line: rgba(164, 190, 211, .16);
  --line-strong: rgba(118, 218, 198, .38);
  --paper: #05080c;
  --paper-2: #090e14;
  --panel: rgba(13, 20, 28, .82);
  --cyan: #65d8ff;
  --mint: #76dac6;
  --blue: #6d8fff;
  --amber: #e7c47b;
  --red: #ff8c8c;
  --radius: 18px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--paper); }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(900px 480px at 78% -8%, rgba(77, 131, 188, .18), transparent 70%),
    radial-gradient(700px 500px at -12% 34%, rgba(65, 150, 137, .11), transparent 72%),
    var(--paper);
  font-family: var(--sans);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }
img { max-width: 100%; }
code, pre { font-family: var(--mono); }
.shell { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.skip-link { position: absolute; left: -999px; }
.skip-link:focus { left: 16px; top: 12px; z-index: 100; background: white; color: black; padding: 8px 12px; }

.site-nav {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid var(--line);
  background: rgba(5, 8, 12, .86);
  backdrop-filter: blur(18px);
}
.nav-inner { min-height: 70px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; }
.brand img:first-child { width: 34px; height: 34px; object-fit: contain; }
.brand img:last-child { width: 92px; height: auto; }
.nav-links { display: flex; align-items: center; gap: 26px; margin-left: auto; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: 14px; font-weight: 600; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--ink); }
.nav-actions { display: flex; align-items: center; gap: 10px; }
.lang-links { display: flex; gap: 8px; margin-right: 4px; }
.lang-links a { color: var(--faint); text-decoration: none; font: 700 11px/1 var(--mono); }
.lang-links a.active { color: var(--mint); }
.nav-toggle { display: none; border: 0; background: none; color: var(--ink); font-size: 24px; }

.btn {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  gap: 9px;
  border: 1px solid var(--line);
  border-radius: 11px;
  padding: 0 18px;
  color: var(--ink);
  background: rgba(255,255,255,.025);
  text-decoration: none;
  font: 700 14px/1 var(--sans);
  cursor: pointer;
  transition: transform .18s ease, border-color .18s ease, background .18s ease;
}
.btn:hover { transform: translateY(-1px); border-color: rgba(164,190,211,.35); }
.btn.primary { color: #03110e; background: var(--mint); border-color: var(--mint); }
.btn.primary:hover { background: #91ead8; }
.btn.small { min-height: 38px; padding-inline: 14px; font-size: 13px; }
.text-link { color: var(--mint); font-weight: 700; text-decoration: none; }

.hero { padding: clamp(76px, 10vw, 130px) 0 56px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(420px, .92fr); align-items: center; gap: clamp(48px, 7vw, 90px); }
.eyebrow { display: inline-flex; align-items: center; gap: 9px; margin: 0 0 22px; color: var(--mint); font: 750 12px/1.2 var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 0 5px rgba(118,218,198,.1); }
h1 { margin: 0; max-width: 780px; font-size: clamp(47px, 6.7vw, 82px); line-height: .99; letter-spacing: -.055em; font-weight: 760; }
h1 .accent { color: var(--mint); }
.hero-copy { max-width: 680px; margin: 26px 0 0; color: var(--muted); font-size: clamp(17px, 2vw, 20px); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.hero-note { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 24px; color: var(--faint); font: 600 12px/1.4 var(--mono); }
.hero-note span::before { content: "✓"; color: var(--mint); margin-right: 7px; }

.evidence-card { position: relative; border: 1px solid var(--line-strong); border-radius: 22px; background: linear-gradient(145deg, rgba(14,23,31,.94), rgba(7,12,18,.94)); box-shadow: 0 34px 100px rgba(0,0,0,.42); overflow: hidden; }
.evidence-card::before { content: ""; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(115deg, transparent 30%, rgba(118,218,198,.06), transparent 70%); }
.console-head { min-height: 48px; padding: 0 17px; border-bottom: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; color: var(--faint); font: 700 11px/1 var(--mono); }
.live { display: inline-flex; align-items: center; gap: 7px; color: var(--mint); }
.live::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; box-shadow: 0 0 10px currentColor; }
.console-body { padding: 23px; }
.forecast-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 18px; }
.symbol { font: 760 29px/1 var(--mono); letter-spacing: -.04em; }
.meta-line { margin-top: 7px; color: var(--faint); font: 600 11px/1.5 var(--mono); }
.direction { border: 1px solid rgba(118,218,198,.35); border-radius: 9px; padding: 8px 11px; color: var(--mint); background: rgba(118,218,198,.07); font: 800 12px/1 var(--mono); }
.engine-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 9px; margin: 24px 0; }
.engine { min-width: 0; padding: 13px; border: 1px solid var(--line); border-radius: 12px; background: rgba(255,255,255,.018); }
.engine b { display: block; color: var(--faint); font: 700 10px/1 var(--mono); }
.engine strong { display: block; margin-top: 9px; font: 750 18px/1 var(--mono); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.proof-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; border-top: 1px solid var(--line); padding-top: 16px; color: var(--muted); font: 600 11px/1.45 var(--mono); }
.proof-row a { color: var(--mint); text-decoration: none; }

.proof-strip { border-block: 1px solid var(--line); background: rgba(255,255,255,.012); }
.proof-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.proof-stat { padding: 28px 24px; border-left: 1px solid var(--line); }
.proof-stat:first-child { border-left: 0; }
.proof-stat strong { display: block; font: 760 clamp(24px, 3vw, 34px)/1 var(--mono); letter-spacing: -.04em; }
.proof-stat span { display: block; margin-top: 8px; color: var(--faint); font: 650 11px/1.35 var(--mono); text-transform: uppercase; letter-spacing: .06em; }

.section { padding: clamp(76px, 9vw, 120px) 0; }
.section.compact { padding-block: 66px; }
.section-head { display: grid; grid-template-columns: .75fr 1.25fr; gap: 60px; align-items: end; margin-bottom: 42px; }
.kicker { margin: 0; color: var(--mint); font: 750 12px/1.2 var(--mono); letter-spacing: .08em; text-transform: uppercase; }
h2 { margin: 0; font-size: clamp(36px, 5vw, 58px); line-height: 1.05; letter-spacing: -.045em; }
.section-intro { max-width: 650px; margin: 0; color: var(--muted); font-size: 18px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.card { min-width: 0; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); padding: 27px; }
.card .num { display: inline-flex; width: 34px; height: 34px; align-items: center; justify-content: center; border: 1px solid var(--line); border-radius: 9px; color: var(--mint); font: 750 12px/1 var(--mono); }
.card h3 { margin: 24px 0 10px; font-size: 20px; letter-spacing: -.025em; }
.card p { margin: 0; color: var(--muted); }
.card ul { margin: 18px 0 0; padding-left: 18px; color: var(--muted); }
.card li + li { margin-top: 8px; }
.card.highlight { border-color: var(--line-strong); background: linear-gradient(145deg, rgba(20,35,42,.86), rgba(10,16,23,.92)); }

.code-box { border: 1px solid var(--line); border-radius: var(--radius); background: #070b10; overflow: hidden; }
.code-head { min-height: 46px; display: flex; align-items: center; justify-content: space-between; gap: 16px; border-bottom: 1px solid var(--line); padding: 0 16px; color: var(--faint); font: 700 11px/1 var(--mono); }
.copy-btn { border: 0; background: none; color: var(--mint); font: inherit; cursor: pointer; }
pre { margin: 0; padding: 22px; overflow-x: auto; color: #c7d5e2; font-size: 13px; line-height: 1.7; }
.token-key { color: var(--cyan); }
.token-string { color: var(--mint); }

.track-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); }
.track-table { width: 100%; border-collapse: collapse; min-width: 760px; }
.track-table th, .track-table td { padding: 15px 17px; text-align: left; border-bottom: 1px solid var(--line); }
.track-table th { color: var(--faint); font: 700 10px/1.25 var(--mono); letter-spacing: .06em; text-transform: uppercase; }
.track-table td { color: var(--muted); font: 650 13px/1.35 var(--mono); }
.track-table tr:last-child td { border-bottom: 0; }
.track-table .rate { color: var(--ink); font-size: 16px; }
.maturity { display: inline-flex; padding: 5px 8px; border: 1px solid var(--line); border-radius: 99px; color: var(--amber); font-size: 10px; }
.notice { margin-top: 18px; border-left: 2px solid var(--amber); padding: 12px 16px; color: var(--muted); background: rgba(231,196,123,.045); font-size: 13px; }

.register-box { display: grid; grid-template-columns: 1fr auto; gap: 10px; margin-top: 18px; }
.input { min-height: 46px; width: 100%; border: 1px solid var(--line); border-radius: 11px; padding: 0 14px; color: var(--ink); background: rgba(0,0,0,.18); font: 600 14px var(--sans); }
.input:focus { outline: 2px solid rgba(118,218,198,.25); border-color: var(--mint); }
.api-result { display: none; margin-top: 14px; padding: 14px; border: 1px solid var(--line-strong); border-radius: 11px; color: var(--mint); background: rgba(118,218,198,.055); font: 600 12px/1.6 var(--mono); overflow-wrap: anywhere; }
.api-result.visible { display: block; }

.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); padding: 21px 0; }
.faq summary { cursor: pointer; font-weight: 720; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; float: right; color: var(--mint); font-family: var(--mono); }
.faq details[open] summary::after { content: "−"; }
.faq p { max-width: 820px; margin: 13px 0 0; color: var(--muted); }

.cta { border: 1px solid var(--line-strong); border-radius: 24px; padding: clamp(30px, 5vw, 58px); background: linear-gradient(120deg, rgba(29,60,64,.6), rgba(13,20,28,.86) 55%, rgba(41,54,90,.45)); }
.cta h2 { max-width: 800px; }
.cta p { max-width: 720px; color: var(--muted); font-size: 18px; }
.site-footer { margin-top: 80px; border-top: 1px solid var(--line); padding: 36px 0 44px; }
.footer-inner { display: flex; justify-content: space-between; gap: 30px; align-items: flex-start; }
.footer-copy { max-width: 560px; color: var(--faint); font-size: 12px; }
.footer-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 16px; }
.footer-links a { color: var(--muted); text-decoration: none; font-size: 12px; }

@media (max-width: 900px) {
  .hero-grid, .section-head { grid-template-columns: 1fr; }
  .hero-grid { gap: 45px; }
  .proof-grid, .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .proof-stat:nth-child(3) { border-left: 0; border-top: 1px solid var(--line); }
  .proof-stat:nth-child(4) { border-top: 1px solid var(--line); }
  .nav-toggle { display: block; }
  .nav-links { display: none; position: absolute; left: 20px; right: 20px; top: 68px; flex-direction: column; align-items: stretch; padding: 18px; border: 1px solid var(--line); border-radius: 14px; background: #091018; }
  .nav-links.open { display: flex; }
  .nav-actions .btn.small:not(.primary), .lang-links { display: none; }
}

@media (max-width: 620px) {
  .shell { width: min(100% - 28px, 1180px); }
  .nav-inner { min-height: 62px; gap: 12px; }
  .brand img:first-child { width: 29px; height: 29px; }
  .brand img:last-child { width: 82px; }
  .nav-actions .btn.small.primary { min-height: 36px; padding-inline: 11px; font-size: 11px; }
  .hero { padding-top: 62px; }
  h1 { font-size: clamp(42px, 13.5vw, 63px); }
  .hero-actions .btn { width: 100%; }
  .evidence-card { border-radius: 16px; }
  .console-body { padding: 17px; }
  .engine-grid { grid-template-columns: 1fr; }
  .proof-grid, .grid-3, .grid-2 { grid-template-columns: minmax(0, 1fr); }
  .proof-stat { border-left: 0; border-top: 1px solid var(--line); }
  .proof-stat:first-child { border-top: 0; }
  .section { padding-block: 72px; }
  .register-box { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; }
  .footer-links { justify-content: flex-start; }
}

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