:root {
  --bg: #0b0f1a;
  --bg-raised: #111827;
  --line: rgba(245, 181, 68, 0.18);
  --line-soft: rgba(255, 255, 255, 0.08);
  --text: #e8edf5;
  --muted: #9aa6bd;
  --accent: #f5b544;
  --accent-ink: #1a1206;
  --max: 1080px;
  --serif: "Be Vietnam Pro", system-ui, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--serif);
  background:
    radial-gradient(900px 480px at 80% -10%, rgba(245, 181, 68, 0.12), transparent 60%),
    radial-gradient(700px 420px at -10% 20%, rgba(80, 110, 180, 0.18), transparent 55%),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: #ffd27a; }

img { max-width: 100%; }

.wrap {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}

header.site {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(16px);
  background: rgba(11, 15, 26, 0.78);
  border-bottom: 1px solid var(--line-soft);
}

header.site .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
  font-weight: 650;
  letter-spacing: 0.04em;
}

.mark {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--accent);
  color: var(--accent-ink);
  display: grid;
  place-items: center;
  font-weight: 700;
}

nav { display: flex; gap: 22px; align-items: center; }
nav a { color: var(--muted); text-decoration: none; font-size: 0.95rem; }
nav a:hover, nav a[aria-current="page"] { color: var(--text); }

.hero {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
  padding: 72px 0 40px;
}

.kicker {
  color: var(--accent);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 0.78rem;
  font-weight: 600;
  margin: 0 0 12px;
}

h1 {
  font-size: clamp(2.2rem, 4.4vw, 3.6rem);
  line-height: 1.15;
  font-weight: 650;
  margin: 0 0 16px;
  letter-spacing: -0.02em;
}

.lede { color: var(--muted); font-size: 1.12rem; margin: 0 0 28px; max-width: 38rem; }

.actions { display: flex; flex-wrap: wrap; gap: 12px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  font: inherit;
  font-weight: 600;
  text-decoration: none;
}

.btn.primary { background: var(--accent); color: var(--accent-ink); }
.btn.primary:hover { background: #ffc56a; color: var(--accent-ink); }
.btn.ghost { border-color: var(--line); color: var(--text); background: transparent; }
.btn.ghost:hover { border-color: var(--accent); color: var(--text); }
.btn[aria-disabled="true"] { opacity: 0.55; pointer-events: none; }

.card {
  background: linear-gradient(180deg, rgba(255,255,255,0.03), transparent 40%), var(--bg-raised);
  border: 1px solid var(--line-soft);
  border-radius: 20px;
  padding: 22px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
}

.hero-card { padding: 22px 22px 18px; }

.pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.stat {
  background: rgba(11, 15, 26, 0.55);
  border-radius: 14px;
  padding: 14px 14px 12px;
  border: 1px solid var(--line-soft);
}

.stat span { display: block; color: var(--muted); font-size: 0.82rem; }
.stat strong {
  display: block;
  margin-top: 4px;
  font-size: 2.4rem;
  line-height: 1;
  color: var(--accent);
  font-weight: 650;
}
.stat em { display: block; margin-top: 8px; font-style: normal; font-size: 0.92rem; }

.note { margin: 12px 2px 0; color: var(--muted); font-size: 0.8rem; }

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding: 12px 0 56px;
}

.grid article, .steps article, .policy section {
  background: rgba(17, 24, 39, 0.72);
  border: 1px solid var(--line-soft);
  border-radius: 16px;
  padding: 18px 18px 16px;
}

h2 { font-size: 1.7rem; margin: 0 0 8px; letter-spacing: -0.02em; }
h3 { margin: 0 0 6px; font-size: 1.05rem; }
.section { padding: 28px 0 8px; }
.section p.intro { color: var(--muted); margin-top: 0; max-width: 40rem; }

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding-bottom: 28px;
}

.num {
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 999px;
  background: rgba(245, 181, 68, 0.15);
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.tag {
  display: inline-block;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}

.center { text-align: center; }
.center .intro { margin-left: auto; margin-right: auto; }
.center .actions { justify-content: center; }

footer.site {
  border-top: 1px solid var(--line-soft);
  padding: 28px 0 40px;
  color: var(--muted);
  font-size: 0.92rem;
}

footer.site .wrap {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

footer.site nav { gap: 16px; }

.policy { padding: 36px 0 72px; max-width: 760px; }
.policy h1 { font-size: clamp(1.8rem, 3vw, 2.4rem); }
.policy .meta { color: var(--muted); margin-top: -8px; }
.policy h2 { font-size: 1.2rem; margin: 28px 0 8px; }
.policy p, .policy li { color: #d5dce8; }
.policy ul { padding-left: 1.2rem; }
.policy li { margin: 6px 0; }
.en {
  margin-top: 36px;
  padding-top: 8px;
  border-top: 1px solid var(--line-soft);
}
.en p, .en li { color: var(--muted); }

@media (max-width: 860px) {
  .hero, .grid, .steps { grid-template-columns: 1fr; }
  header.site nav .hide-sm { display: none; }
  .hero { padding-top: 40px; }
}