:root {
  color-scheme: dark;
  --bg: #08111f;
  --bg-2: #0d1b2e;
  --panel: rgba(255, 255, 255, .075);
  --panel-strong: rgba(255, 255, 255, .115);
  --panel-soft: rgba(255, 255, 255, .045);
  --line: rgba(255, 255, 255, .16);
  --line-strong: rgba(255, 255, 255, .26);
  --text: #f4f8fb;
  --muted: #9fb1c7;
  --muted-2: #cbd6e3;
  --accent: #69e2ff;
  --accent-2: #7cf6b5;
  --accent-3: #a78bfa;
  --danger: #ff8a9a;
  --warn: #ffd166;
  --ok: #7cf6b5;
  --shadow: 0 24px 80px rgba(0, 0, 0, .38);
  --radius: 24px;
  --max: 1180px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(circle at 15% 5%, rgba(105,226,255,.20), transparent 34rem),
    radial-gradient(circle at 78% 14%, rgba(124,246,181,.14), transparent 30rem),
    radial-gradient(circle at 60% 92%, rgba(167,139,250,.14), transparent 32rem),
    linear-gradient(145deg, var(--bg), #050914 70%);
  color: var(--text);
  font: 16px/1.65 var(--sans);
  min-height: 100vh;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,.75), transparent 78%);
}
a { color: var(--accent); text-underline-offset: .18em; text-decoration-thickness: .08em; }
a:hover { color: var(--accent-2); }
.skip-link { position: absolute; left: 1rem; top: -5rem; z-index: 100; padding: .75rem 1rem; border-radius: 999px; background: var(--accent); color: #06111e; font-weight: 800; }
.skip-link:focus { top: 1rem; }
.ambient { position: fixed; inset: 0; pointer-events: none; overflow: hidden; z-index: -1; }
.ambient::before, .ambient::after { content: ""; position: absolute; width: 28rem; height: 28rem; border-radius: 999px; filter: blur(70px); opacity: .18; }
.ambient::before { left: -7rem; top: 16rem; background: var(--accent); }
.ambient::after { right: -8rem; top: 34rem; background: var(--accent-3); }
.site-header {
  width: min(var(--max), calc(100% - 2rem));
  margin: 1rem auto 0;
  position: sticky;
  top: 1rem;
  z-index: 30;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 1rem;
  padding: .72rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(8, 17, 31, .72);
  backdrop-filter: blur(18px);
  box-shadow: 0 18px 50px rgba(0,0,0,.24);
}
.brand, .footer-brand {
  display: inline-flex;
  align-items: center;
  gap: .72rem;
  color: var(--text);
  text-decoration: none;
  min-width: fit-content;
}
.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 2.45rem;
  height: 2.45rem;
  border-radius: .85rem;
  background: linear-gradient(135deg, var(--accent), var(--accent-2) 55%, var(--accent-3));
  color: #06111e;
  font-weight: 950;
  letter-spacing: -.05em;
  box-shadow: 0 0 30px rgba(105,226,255,.28);
}
.brand-text { display: grid; line-height: 1.05; }
.brand-text strong { font-size: .98rem; letter-spacing: .08em; }
.brand-text small { color: var(--muted); font-size: .70rem; }
.primary-nav { display: flex; align-items: center; justify-content: center; gap: .18rem; flex-wrap: wrap; }
.nav-link {
  color: var(--muted-2);
  text-decoration: none;
  border-radius: 999px;
  padding: .56rem .72rem;
  font-size: .91rem;
  transition: background .2s ease, color .2s ease, transform .2s ease;
}
.nav-link:hover, .nav-link.active { background: rgba(255,255,255,.10); color: var(--text); }
.nav-link.active { box-shadow: inset 0 0 0 1px rgba(255,255,255,.10); }
.language-switcher { position: relative; }
.language-switcher summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: .45rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text);
  padding: .52rem .72rem;
  background: rgba(255,255,255,.065);
  font-weight: 700;
  font-size: .9rem;
}
.language-switcher summary::-webkit-details-marker { display: none; }
.language-menu {
  position: absolute;
  right: 0;
  top: calc(100% + .5rem);
  min-width: 12rem;
  display: grid;
  gap: .2rem;
  padding: .45rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: rgba(8, 17, 31, .94);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}
.lang-option { color: var(--muted-2); text-decoration: none; border-radius: .75rem; padding: .58rem .72rem; }
.lang-option:hover, .lang-option.active { color: var(--text); background: rgba(255,255,255,.10); }
.site-main { width: min(var(--max), calc(100% - 2rem)); margin: 0 auto; padding: clamp(2.8rem, 5vw, 5.8rem) 0; }
.hero, .page-hero, .glass-card, .integrity-panel, .feature-card, .step-card, .level-card, .verdict-card, .stat-card {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, var(--panel-strong), var(--panel-soft));
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}
.hero {
  border-radius: calc(var(--radius) + 10px);
  padding: clamp(1.4rem, 4vw, 3rem);
  position: relative;
  overflow: hidden;
}
.hero::after, .page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 0%, rgba(105,226,255,.18), transparent 26rem), radial-gradient(circle at 5% 100%, rgba(124,246,181,.14), transparent 22rem);
  pointer-events: none;
}
.hero-split { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(320px, .85fr); gap: clamp(1rem, 4vw, 3rem); align-items: center; }
.hero-copy, .integrity-panel, .page-hero > * { position: relative; z-index: 1; }
.eyebrow { margin: 0 0 .8rem; color: var(--accent-2); text-transform: uppercase; letter-spacing: .15em; font-weight: 850; font-size: .78rem; }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(2.55rem, 7vw, 5.9rem); line-height: .96; letter-spacing: -.07em; margin-bottom: 1.2rem; max-width: 11ch; }
.page-hero h1 { max-width: 12.5ch; }
h2 { font-size: clamp(1.55rem, 3vw, 2.55rem); line-height: 1.08; letter-spacing: -.045em; margin-bottom: .8rem; }
h3 { font-size: 1.08rem; line-height: 1.2; margin-bottom: .45rem; }
.lead { max-width: 70ch; color: var(--muted-2); font-size: clamp(1.05rem, 1.65vw, 1.28rem); }
.actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.6rem; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .45rem;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  padding: .78rem 1rem;
  font-weight: 850;
  color: var(--text);
  text-decoration: none;
  transition: transform .2s ease, border-color .2s ease, background .2s ease;
}
.button:hover { transform: translateY(-1px); color: var(--text); border-color: rgba(124,246,181,.5); }
.button.primary { color: #06111e; background: linear-gradient(135deg, var(--accent), var(--accent-2)); border-color: transparent; }
.button.secondary { background: rgba(255,255,255,.085); }
.button.ghost { background: transparent; }
.integrity-panel { border-radius: var(--radius); padding: 1.1rem; }
.panel-top { display: flex; align-items: center; gap: .55rem; margin-bottom: 1rem; }
.status-dot { width: .7rem; height: .7rem; border-radius: 50%; background: var(--ok); box-shadow: 0 0 20px rgba(124,246,181,.8); }
.console-grid { display: grid; gap: .5rem; margin: .8rem 0 1rem; }
.console-grid div { display: grid; grid-template-columns: 7rem minmax(0,1fr); gap: .75rem; padding: .62rem .72rem; border: 1px solid rgba(255,255,255,.08); border-radius: .85rem; background: rgba(0,0,0,.20); }
.console-grid span { color: var(--muted); font-size: .76rem; text-transform: uppercase; letter-spacing: .08em; }
.console-grid code, .mono { font-family: var(--mono); }
.console-grid code { overflow-wrap: anywhere; color: #eaf7ff; }
.stat-grid, .feature-grid, .step-grid, .level-grid, .verdict-grid, .two-column { display: grid; gap: 1rem; margin-top: 1rem; }
.stat-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); margin: 1rem 0 clamp(2.5rem, 5vw, 4.5rem); }
.stat-card { border-radius: 1.2rem; padding: 1rem; }
.stat-card span { color: var(--muted); display: block; font-size: .82rem; text-transform: uppercase; letter-spacing: .10em; }
.stat-card strong { display: block; margin: .35rem 0; font-size: clamp(1.15rem, 2vw, 1.45rem); letter-spacing: -.025em; overflow-wrap: anywhere; }
.stat-card p { color: var(--muted); margin: 0; font-size: .9rem; }
.section-head { margin: clamp(2.4rem, 5vw, 4.8rem) 0 1rem; max-width: 760px; }
.feature-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.feature-card, .step-card, .level-card, .verdict-card, .glass-card { border-radius: var(--radius); padding: clamp(1rem, 2vw, 1.35rem); }
.feature-orb { display: inline-grid; place-items: center; width: 2.3rem; height: 2.3rem; margin-bottom: 1rem; border-radius: .9rem; color: #06111e; background: linear-gradient(135deg, var(--accent), var(--accent-2)); font-weight: 900; }
.feature-card p, .step-card p, .level-card p, .verdict-card p, .glass-card p, .integrity-panel p { color: var(--muted-2); }
.step-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); counter-reset: step; }
.step-card span, .level-card span, .verdict-card span { display: inline-flex; align-items: center; justify-content: center; min-width: 2.4rem; height: 2.1rem; padding: 0 .65rem; border-radius: 999px; color: #06111e; background: var(--accent-2); font-weight: 900; margin-bottom: 1rem; }
.code-section { display: grid; grid-template-columns: minmax(240px, .7fr) minmax(0, 1.3fr); gap: 1rem; align-items: start; margin-top: clamp(2.3rem, 5vw, 4rem); }
pre {
  margin: 0;
  white-space: pre;
  overflow-x: auto;
  border: 1px solid rgba(255,255,255,.13);
  border-radius: var(--radius);
  padding: 1rem;
  background: rgba(0,0,0,.42);
  color: #ecfbff;
  font: .88rem/1.65 var(--mono);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.08);
}
.page-hero { border-radius: calc(var(--radius) + 8px); padding: clamp(1.5rem, 4vw, 3rem); position: relative; overflow: hidden; margin-bottom: 1rem; }
.page-hero.compact h1 { font-size: clamp(2.25rem, 5.5vw, 4.6rem); }
.two-column { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.glass-card.emphasis { border-color: rgba(124,246,181,.28); background: linear-gradient(180deg, rgba(124,246,181,.12), rgba(255,255,255,.045)); }
.glass-card.danger { border-color: rgba(255,138,154,.28); background: linear-gradient(180deg, rgba(255,138,154,.10), rgba(255,255,255,.045)); }
.warning-card { border-color: rgba(255,209,102,.32); }
.check-list, .plain-list { padding-left: 0; list-style: none; display: grid; gap: .55rem; }
.check-list li, .plain-list li { position: relative; padding-left: 1.8rem; color: var(--muted-2); }
.check-list li::before { content: "✓"; position: absolute; left: 0; color: var(--accent-2); font-weight: 900; }
.plain-list li::before { content: "!"; position: absolute; left: 0; color: var(--danger); font-weight: 900; }
.details-table th { width: 13rem; color: var(--muted); }
table { width: 100%; border-collapse: collapse; }
th, td { padding: .82rem .75rem; text-align: left; border-bottom: 1px solid rgba(255,255,255,.10); vertical-align: top; }
th { color: var(--text); font-size: .82rem; text-transform: uppercase; letter-spacing: .08em; background: rgba(255,255,255,.05); }
td { color: var(--muted-2); }
.table-wrap { overflow-x: auto; border-radius: 1rem; border: 1px solid rgba(255,255,255,.10); }
.hash-inline, .hash-cell, .hash-large { font-family: var(--mono); overflow-wrap: anywhere; }
.hash-inline { color: #eaf7ff; font-size: .78rem; }
.hash-large { display: block; padding: 1rem; border: 1px solid rgba(255,255,255,.10); border-radius: 1rem; background: rgba(0,0,0,.22); color: #eaf7ff; }
.card-head { display: flex; justify-content: space-between; align-items: end; gap: 1rem; margin-bottom: 1rem; }
.copy-button { margin-left: .4rem; border: 1px solid var(--line); background: rgba(255,255,255,.08); color: var(--text); border-radius: 999px; padding: .32rem .55rem; cursor: pointer; font-weight: 750; }
.copy-button.copied { background: rgba(124,246,181,.18); border-color: rgba(124,246,181,.45); }
.level-grid { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.muted, .small { color: var(--muted); }
.number-list { list-style: none; padding: 0; display: grid; gap: .75rem; }
.number-list li { display: grid; grid-template-columns: 2.7rem minmax(0, 1fr); gap: .75rem; align-items: start; color: var(--muted-2); }
.number-list span { display: inline-grid; place-items: center; height: 2rem; border-radius: .75rem; background: rgba(105,226,255,.14); color: var(--accent); font-weight: 900; }
.verdict-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.verdict-card.pass { border-color: rgba(124,246,181,.34); }
.verdict-card.partial { border-color: rgba(255,209,102,.34); }
.verdict-card.fail { border-color: rgba(255,138,154,.38); }
.verdict-card.fail span { background: var(--danger); }
.verdict-card.partial span { background: var(--warn); }
.faq-list { display: grid; gap: .75rem; }
.faq-item { border: 1px solid var(--line); border-radius: 1.1rem; background: var(--panel); overflow: hidden; }
.faq-item summary { cursor: pointer; padding: 1rem 1.15rem; font-weight: 850; }
.faq-item p { padding: 0 1.15rem 1rem; color: var(--muted-2); }
.empty-state { text-align: center; padding: clamp(1rem, 4vw, 3rem); }
.empty-state span { display: inline-grid; place-items: center; width: 4rem; height: 4rem; border-radius: 1.25rem; background: rgba(255,255,255,.09); color: var(--accent); font-size: 2rem; margin-bottom: 1rem; }
.timeline { display: grid; gap: 1rem; position: relative; }
.timeline-item { position: relative; padding: 1.2rem 1.2rem 1.2rem 3.2rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); }
.timeline-item span { position: absolute; left: 1.1rem; top: 1.35rem; width: 1.2rem; height: 1.2rem; border-radius: 50%; background: linear-gradient(135deg, var(--accent), var(--accent-2)); box-shadow: 0 0 22px rgba(105,226,255,.42); }
.site-footer { width: min(var(--max), calc(100% - 2rem)); margin: 0 auto 1.5rem; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(8,17,31,.72); padding: 1.2rem; backdrop-filter: blur(18px); }
.footer-grid { display: grid; grid-template-columns: 1.2fr .8fr 1fr; gap: 1rem; }
.footer-grid h2 { font-size: .86rem; text-transform: uppercase; letter-spacing: .12em; color: var(--muted); margin-bottom: .7rem; }
.footer-grid p { color: var(--muted-2); }
.footer-links, .locale-row { display: flex; flex-wrap: wrap; gap: .45rem; }
.footer-links a, .locale-row a { color: var(--muted-2); text-decoration: none; border: 1px solid rgba(255,255,255,.10); border-radius: 999px; padding: .35rem .55rem; }
.footer-links a:hover, .locale-row a:hover { color: var(--text); background: rgba(255,255,255,.08); }
.gateway { width: min(900px, calc(100% - 2rem)); margin: 0 auto; min-height: 100vh; display: grid; align-content: center; gap: 1.2rem; padding: 2rem 0; }
.standalone { width: fit-content; }
.gateway-card h1 { max-width: none; }
.language-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: .75rem; margin-top: 1rem; }
.language-card { display: grid; gap: .25rem; padding: 1rem; border: 1px solid var(--line); border-radius: 1rem; color: var(--text); text-decoration: none; background: rgba(255,255,255,.055); }
.language-card span { color: var(--accent-2); font-weight: 900; }
.language-card:hover { background: rgba(255,255,255,.10); }
@media (prefers-reduced-motion: no-preference) {
  .ambient::before { animation: float-a 12s ease-in-out infinite alternate; }
  .ambient::after { animation: float-b 14s ease-in-out infinite alternate; }
  @keyframes float-a { from { transform: translate3d(0,0,0); } to { transform: translate3d(3rem,-2rem,0); } }
  @keyframes float-b { from { transform: translate3d(0,0,0); } to { transform: translate3d(-3rem,2rem,0); } }
}
@media (max-width: 1080px) {
  .site-header { grid-template-columns: 1fr auto; border-radius: 1.4rem; }
  .primary-nav { grid-column: 1 / -1; justify-content: flex-start; }
  .hero-split, .code-section, .two-column { grid-template-columns: 1fr; }
  .stat-grid, .feature-grid, .verdict-grid { grid-template-columns: 1fr; }
  .step-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .level-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  h1 { max-width: none; }
}
@media (max-width: 720px) {
  .site-header { position: static; margin-top: .6rem; width: min(100% - 1rem, var(--max)); }
  .brand-text small { display: none; }
  .nav-link { font-size: .86rem; padding: .48rem .55rem; }
  .language-switcher { justify-self: end; }
  .language-menu { right: 0; }
  .site-main { width: min(100% - 1rem, var(--max)); padding-top: 1.5rem; }
  .hero, .page-hero, .glass-card, .feature-card, .step-card, .level-card, .verdict-card { border-radius: 1.2rem; }
  .step-grid, .level-grid, .footer-grid, .language-grid { grid-template-columns: 1fr; }
  .console-grid div { grid-template-columns: 1fr; }
  .card-head { align-items: start; flex-direction: column; }
  h1 { font-size: clamp(2.1rem, 14vw, 3.4rem); }
}