:root {
  color-scheme: dark;
  --bg: #03131f;
  --surface: #08263a;
  --surface-2: #0b3048;
  --accent: #f3b52a;
  --success: #57d94c;
  --danger: #f04b3a;
  --text: #f4f8fb;
  --muted: #a9bac6;
  --border: rgba(243, 181, 42, 0.18);
  --border-soft: rgba(255, 255, 255, 0.08);
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.34);
  --radius: 20px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 78% 10%, rgba(243,181,42,.10), transparent 28rem),
    radial-gradient(circle at 16% 35%, rgba(87,217,76,.05), transparent 24rem),
    var(--bg);
  line-height: 1.6;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .11;
  background-image:
    linear-gradient(rgba(255,255,255,.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.055) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, black, transparent 82%);
}

a { color: inherit; }
img { max-width: 100%; display: block; }
button, input { font: inherit; }

.shell { width: min(1160px, calc(100% - 32px)); margin: 0 auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: rgba(3, 19, 31, .80);
  border-bottom: 1px solid var(--border-soft);
}

.header-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  min-width: 0;
}

.brand-logo {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  object-fit: cover;
  box-shadow: 0 0 0 1px rgba(243,181,42,.35), 0 10px 26px rgba(0,0,0,.28);
}

.brand-copy { min-width: 0; }
.brand-title { display: block; font-weight: 850; letter-spacing: -.02em; line-height: 1.05; }
.brand-subtitle { display: block; color: var(--muted); font-size: 12px; margin-top: 3px; }

.nav {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav a {
  text-decoration: none;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
  padding: 10px 12px;
  border-radius: 10px;
  transition: .18s ease;
}

.nav a:hover, .nav a[aria-current="page"] {
  color: var(--text);
  background: rgba(243,181,42,.09);
}

.hero {
  min-height: calc(100vh - 76px);
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  align-items: center;
  gap: 54px;
  padding: 72px 0 82px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: #ffd56f;
  background: rgba(243,181,42,.07);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.dot { width: 7px; height: 7px; border-radius: 99px; background: var(--success); box-shadow: 0 0 18px rgba(87,217,76,.7); }

.hero h1 {
  margin: 22px 0 18px;
  max-width: 780px;
  font-size: clamp(42px, 6.2vw, 78px);
  line-height: .98;
  letter-spacing: -.055em;
}

.hero h1 span { color: var(--accent); }
.hero-lead { max-width: 670px; margin: 0; color: #c7d4dd; font-size: clamp(17px, 2vw, 20px); }

.actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 30px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 19px;
  border-radius: 13px;
  text-decoration: none;
  font-weight: 850;
  font-size: 14px;
  border: 1px solid transparent;
  transition: transform .16s ease, box-shadow .16s ease, background .16s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--accent); color: #241700; box-shadow: 0 14px 32px rgba(243,181,42,.16); }
.btn-secondary { border-color: var(--border-soft); background: rgba(8,38,58,.65); color: var(--text); }
.btn-disabled { opacity: .55; cursor: not-allowed; pointer-events: none; }

.hero-pills { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 20px; }
.hero-pills span { padding: 7px 10px; border-radius: 999px; border: 1px solid var(--border-soft); background: rgba(8,38,58,.45); color: var(--muted); font-size: 12px; font-weight: 700; }

.hero-visual {
  position: relative;
  min-height: 510px;
  display: grid;
  place-items: center;
}

.logo-stage {
  position: relative;
  width: min(430px, 88vw);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border-radius: 48px;
  background: linear-gradient(145deg, rgba(8,38,58,.92), rgba(3,19,31,.35));
  border: 1px solid var(--border);
  box-shadow: var(--shadow), inset 0 1px rgba(255,255,255,.06);
  overflow: hidden;
}

.logo-stage::before {
  content: "";
  position: absolute;
  width: 115%;
  aspect-ratio: 1;
  border: 1px solid rgba(243,181,42,.16);
  transform: rotate(45deg);
  border-radius: 36px;
}

.logo-stage::after {
  content: "";
  position: absolute;
  inset: 10%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(243,181,42,.13), transparent 68%);
  filter: blur(10px);
}

.hero-logo {
  position: relative;
  z-index: 2;
  width: 72%;
  border-radius: 25%;
  filter: drop-shadow(0 28px 34px rgba(0,0,0,.42));
}

.mini-card {
  position: absolute;
  z-index: 4;
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(8,38,58,.86);
  border: 1px solid var(--border-soft);
  backdrop-filter: blur(14px);
  box-shadow: 0 14px 42px rgba(0,0,0,.25);
  font-size: 12px;
  color: var(--muted);
}
.mini-card strong { display: block; color: var(--text); font-size: 14px; }
.card-a { top: 9%; left: -1%; }
.card-b { right: -2%; bottom: 13%; }
.card-c { left: 5%; bottom: 3%; }

.section { padding: 92px 0; }
.section-tight { padding: 62px 0; }
.section-muted { background: linear-gradient(180deg, rgba(8,38,58,.18), rgba(8,38,58,.38), rgba(8,38,58,.18)); border-top: 1px solid rgba(255,255,255,.035); border-bottom: 1px solid rgba(255,255,255,.035); }
.section-head { max-width: 730px; margin-bottom: 34px; }
.wide-head { max-width: 860px; }
.section-kicker { color: var(--accent); font-size: 12px; font-weight: 850; letter-spacing: .08em; text-transform: uppercase; }
.section h2, .page-title { margin: 8px 0 12px; letter-spacing: -.035em; line-height: 1.08; }
.section h2 { font-size: clamp(30px, 4vw, 46px); }
.section-head p, .page-lead { color: var(--muted); margin: 0; }
.discovery-section { padding-top: 104px; }

.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.stat-card { padding: 24px; border-radius: 18px; border: 1px solid var(--border-soft); background: linear-gradient(180deg, rgba(8,38,58,.82), rgba(3,19,31,.62)); }
.stat-card strong { display: block; color: var(--accent); font-size: clamp(34px, 5vw, 52px); line-height: 1; letter-spacing: -.04em; }
.stat-card span { display: block; margin-top: 8px; font-weight: 850; font-size: 16px; }
.stat-card small { display: block; margin-top: 6px; color: var(--muted); font-size: 12px; line-height: 1.45; }

.economy-flow { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr auto 1fr; gap: 10px; align-items: stretch; }
.flow-step { min-height: 190px; padding: 20px; border-radius: 18px; border: 1px solid var(--border-soft); background: rgba(3,19,31,.45); }
.flow-step span { display: inline-grid; place-items: center; width: 32px; height: 32px; border-radius: 10px; background: rgba(243,181,42,.1); color: var(--accent); font-weight: 900; font-size: 12px; }
.flow-step strong { display: block; margin-top: 18px; font-size: 16px; }
.flow-step p { margin: 8px 0 0; color: var(--muted); font-size: 13px; }
.flow-arrow { display: grid; place-items: center; color: rgba(243,181,42,.55); font-size: 22px; }

.chain-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 18px; }
.chain-card { padding: 22px; border-radius: 18px; border: 1px solid var(--border); background: linear-gradient(150deg, rgba(243,181,42,.055), rgba(8,38,58,.6)); }
.chain-label { color: var(--accent); font-size: 11px; font-weight: 850; letter-spacing: .08em; text-transform: uppercase; }
.chain-line { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin: 16px 0 12px; }
.chain-line span { padding: 8px 10px; border-radius: 10px; background: rgba(3,19,31,.56); border: 1px solid var(--border-soft); font-weight: 800; font-size: 13px; }
.chain-line b { color: var(--accent); }
.chain-card p { color: var(--muted); margin: 0; font-size: 13px; }

.business-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.business-card { padding: 24px; border-radius: 20px; background: linear-gradient(180deg, rgba(8,38,58,.88), rgba(8,38,58,.52)); border: 1px solid var(--border-soft); box-shadow: 0 16px 40px rgba(0,0,0,.12); }
.business-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.business-icon { width: 44px; height: 44px; display: grid; place-items: center; border-radius: 13px; background: rgba(243,181,42,.09); border: 1px solid var(--border); font-size: 20px; }
.count-badge { color: #ffd56f; background: rgba(243,181,42,.08); border: 1px solid var(--border); border-radius: 999px; padding: 5px 9px; font-size: 11px; font-weight: 850; }
.business-card h3 { margin: 18px 0 8px; font-size: 19px; }
.business-card p { margin: 0; color: var(--muted); font-size: 14px; min-height: 68px; }
.tag-row { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 16px; }
.tag-row span { padding: 5px 8px; border-radius: 8px; background: rgba(255,255,255,.045); color: #c5d1d9; font-size: 11px; }

.split-showcase { display: grid; grid-template-columns: 1.05fr .95fr; gap: 50px; align-items: center; }
.split-showcase h2 { font-size: clamp(30px, 4vw, 46px); margin: 8px 0 14px; line-height: 1.08; letter-spacing: -.035em; }
.showcase-lead { color: var(--muted); font-size: 17px; }
.detail-list { display: grid; gap: 12px; margin-top: 26px; }
.detail-list > div { display: grid; grid-template-columns: 38px 1fr; gap: 12px; padding: 14px 0; border-top: 1px solid var(--border-soft); }
.detail-list > div:last-child { border-bottom: 1px solid var(--border-soft); }
.detail-list span { color: var(--accent); font-weight: 900; font-size: 12px; padding-top: 3px; }
.detail-list p { margin: 0; color: var(--muted); }
.detail-list strong { color: var(--text); }

.city-panel { padding: 28px; border-radius: 28px; border: 1px solid var(--border); background: radial-gradient(circle at 50% 0%, rgba(243,181,42,.08), transparent 45%), rgba(3,19,31,.66); box-shadow: var(--shadow); }
.panel-title { font-weight: 850; margin-bottom: 16px; }
.city-node { padding: 14px 16px; margin-top: 10px; border-radius: 14px; border: 1px solid var(--border-soft); background: rgba(8,38,58,.72); }
.city-node strong { display: block; }
.city-node span { display: block; color: var(--muted); font-size: 12px; margin-top: 2px; }
.primary-node { border-color: rgba(243,181,42,.4); background: rgba(243,181,42,.07); }
.route-line { width: 1px; height: 20px; margin: 0 auto; background: linear-gradient(var(--accent), transparent); opacity: .6; }
.network-note { margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--border-soft); color: var(--muted); font-size: 12px; }

.vehicle-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.vehicle-card { padding: 22px; border-radius: 18px; border: 1px solid var(--border-soft); background: linear-gradient(180deg, rgba(8,38,58,.85), rgba(3,19,31,.55)); }
.vehicle-head { display: flex; gap: 10px; align-items: center; }
.vehicle-head > span { color: var(--accent); font-size: 11px; font-weight: 900; }
.vehicle-head strong { font-size: 15px; line-height: 1.25; }
.vehicle-card p { color: var(--muted); font-size: 13px; min-height: 46px; }
.vehicle-specs { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 16px; }
.vehicle-specs span { padding: 10px; border-radius: 10px; background: rgba(255,255,255,.04); color: var(--muted); font-size: 11px; text-align: center; }
.vehicle-specs b { display: block; color: var(--text); font-size: 16px; }

.system-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.system-card { position: relative; min-height: 220px; padding: 24px; overflow: hidden; border-radius: 20px; border: 1px solid var(--border-soft); background: rgba(3,19,31,.48); }
.system-card::after { content: ""; position: absolute; width: 120px; height: 120px; right: -42px; bottom: -42px; border-radius: 50%; background: rgba(243,181,42,.045); }
.system-no { color: var(--accent); font-size: 11px; font-weight: 900; letter-spacing: .08em; }
.system-card h3 { margin: 20px 0 8px; font-size: 19px; }
.system-card p { margin: 0; color: var(--muted); font-size: 14px; }

.endgame-panel { padding: clamp(28px, 5vw, 50px); border-radius: 28px; border: 1px solid var(--border); background: linear-gradient(130deg, rgba(243,181,42,.08), rgba(8,38,58,.74)); box-shadow: var(--shadow); }
.endgame-panel h2 { font-size: clamp(30px, 4vw, 46px); margin: 8px 0 12px; }
.endgame-panel > div:first-child p { color: var(--muted); max-width: 800px; }
.level-track { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-top: 28px; }
.level-track > div { padding: 18px; border-radius: 15px; background: rgba(3,19,31,.48); border: 1px solid var(--border-soft); }
.level-track span { color: var(--accent); font-size: 11px; font-weight: 900; }
.level-track strong { display: block; margin-top: 7px; }
.level-track small { display: block; color: var(--muted); margin-top: 5px; line-height: 1.4; }

.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.feature-card {
  min-height: 210px;
  padding: 24px;
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(8,38,58,.86), rgba(8,38,58,.55));
  border: 1px solid var(--border-soft);
  box-shadow: 0 16px 40px rgba(0,0,0,.16);
}
.feature-icon {
  width: 42px; height: 42px; border-radius: 12px;
  display: grid; place-items: center;
  color: var(--accent); background: rgba(243,181,42,.10); border: 1px solid var(--border);
  font-weight: 900; font-size: 18px;
}
.feature-card h3 { margin: 20px 0 8px; font-size: 18px; }
.feature-card p { margin: 0; color: var(--muted); font-size: 14px; }

.policy-strip {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 30px;
  align-items: center;
  padding: 32px;
  border-radius: 24px;
  border: 1px solid var(--border);
  background: linear-gradient(120deg, rgba(243,181,42,.08), rgba(8,38,58,.7));
}
.policy-strip h3 { margin: 0 0 7px; font-size: 22px; }
.policy-strip p { margin: 0; color: var(--muted); }

.page-hero { padding: 72px 0 34px; }
.page-title { font-size: clamp(38px, 6vw, 62px); }
.page-lead { max-width: 760px; font-size: 17px; }

.content-card {
  margin: 24px auto 80px;
  padding: clamp(24px, 5vw, 48px);
  border-radius: 24px;
  background: rgba(8,38,58,.78);
  border: 1px solid var(--border-soft);
  box-shadow: var(--shadow);
}
.content-card h2 { margin-top: 38px; margin-bottom: 10px; font-size: 22px; }
.content-card h2:first-child { margin-top: 0; }
.content-card h3 { margin-top: 25px; font-size: 17px; }
.content-card p, .content-card li { color: #c5d1d9; }
.content-card ul { padding-left: 21px; }
.content-card li + li { margin-top: 7px; }
.content-card strong { color: var(--text); }

.notice {
  padding: 18px 20px;
  border-radius: 15px;
  border: 1px solid rgba(243,181,42,.26);
  background: rgba(243,181,42,.07);
  color: #efdba9;
}
.notice-success { border-color: rgba(87,217,76,.25); background: rgba(87,217,76,.065); color: #c9f2c5; }

.steps { display: grid; gap: 12px; margin: 22px 0; }
.step {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 14px;
  align-items: start;
  padding: 16px;
  border: 1px solid var(--border-soft);
  border-radius: 15px;
  background: rgba(3,19,31,.34);
}
.step-no { width: 38px; height: 38px; border-radius: 11px; display: grid; place-items: center; background: rgba(243,181,42,.10); color: var(--accent); font-weight: 900; }
.step strong { display: block; }
.step p { margin: 4px 0 0; font-size: 14px; }

.status-box {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin-top: 24px;
  padding: 18px;
  border-radius: 15px;
  border: 1px solid rgba(243,181,42,.24);
  background: rgba(243,181,42,.06);
}
.status-mark { width: 10px; height: 10px; border-radius: 99px; background: var(--accent); margin-top: 7px; flex: 0 0 auto; box-shadow: 0 0 16px rgba(243,181,42,.5); }
.status-box p { margin: 0; }

.site-footer { border-top: 1px solid var(--border-soft); padding: 34px 0 42px; color: var(--muted); }
.footer-inner { display: flex; justify-content: space-between; gap: 24px; align-items: center; flex-wrap: wrap; }
.footer-links { display: flex; gap: 16px; flex-wrap: wrap; }
.footer-links a { color: var(--muted); text-decoration: none; font-size: 13px; }
.footer-links a:hover { color: var(--text); }

.error-page { min-height: 70vh; display: grid; place-items: center; text-align: center; }
.error-code { color: var(--accent); font-size: 13px; font-weight: 900; letter-spacing: .1em; }
.error-page h1 { font-size: clamp(38px, 7vw, 70px); margin: 10px 0; }
.error-page p { color: var(--muted); }

@media (max-width: 1040px) {
  .economy-flow { grid-template-columns: 1fr 1fr; }
  .flow-arrow { display: none; }
  .flow-step:last-child { grid-column: span 2; }
  .vehicle-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 920px) {
  .hero { grid-template-columns: 1fr; padding-top: 58px; gap: 24px; }
  .hero-visual { min-height: 430px; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .business-grid { grid-template-columns: repeat(2, 1fr); }
  .chain-grid { grid-template-columns: 1fr; }
  .system-grid { grid-template-columns: repeat(2, 1fr); }
  .split-showcase { grid-template-columns: 1fr; }
  .level-track { grid-template-columns: repeat(2, 1fr); }
  .policy-strip { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .shell { width: min(100% - 24px, 1160px); }
  .header-inner { min-height: 68px; }
  .brand-logo { width: 40px; height: 40px; }
  .brand-subtitle { display: none; }
  .nav { gap: 2px; }
  .nav a { padding: 9px 7px; font-size: 11px; }
  .nav a:first-child { display: none; }
  .hero { min-height: auto; padding: 54px 0 58px; }
  .hero h1 { font-size: clamp(43px, 14vw, 62px); }
  .hero-visual { min-height: 350px; }
  .logo-stage { width: min(330px, 88vw); border-radius: 34px; }
  .mini-card { font-size: 10px; padding: 9px 10px; }
  .mini-card strong { font-size: 12px; }
  .card-a { left: 0; top: 4%; }
  .card-b { right: 0; bottom: 7%; }
  .card-c { left: 2%; bottom: -2%; }
  .section { padding: 68px 0; }
  .stats-grid, .business-grid, .system-grid, .vehicle-grid, .level-track { grid-template-columns: 1fr; }
  .economy-flow { grid-template-columns: 1fr; }
  .flow-step:last-child { grid-column: auto; }
  .flow-step { min-height: 0; }
  .stat-card { padding: 20px; }
  .business-card p, .vehicle-card p { min-height: 0; }
  .split-showcase { gap: 30px; }
  .city-panel { padding: 20px; }
  .content-card { margin-bottom: 56px; }
  .page-hero { padding-top: 52px; }
}