/* Powder Rush — shared site styles */
:root {
  --bg: #0b1226;
  --bg-soft: #111a36;
  --card: #16224a;
  --ink: #e8f1ff;
  --ink-dim: #9fb2d8;
  --cyan: #35d3f5;
  --blue: #3f7bf6;
  --purple: #8b5cf6;
  --magenta: #e94fd0;
  --line: rgba(120, 160, 255, 0.18);
  --radius: 14px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: 880px; margin: 0 auto; padding: 0 24px; }

/* Header / nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(12px);
  background: rgba(11, 18, 38, 0.82);
  border-bottom: 1px solid var(--line);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  color: var(--ink);
}
.brand:hover { text-decoration: none; }
.brand .logo {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--cyan), var(--blue) 55%, var(--purple));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}
.nav-links { display: flex; gap: 22px; font-size: 0.92rem; }
.nav-links a { color: var(--ink-dim); }
.nav-links a:hover { color: var(--ink); text-decoration: none; }

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  padding: 88px 0 76px;
  text-align: center;
  background:
    radial-gradient(1100px 480px at 50% -10%, rgba(63, 123, 246, 0.35), transparent 65%),
    radial-gradient(700px 380px at 85% 15%, rgba(139, 92, 246, 0.28), transparent 70%),
    radial-gradient(600px 320px at 12% 22%, rgba(53, 211, 245, 0.22), transparent 70%),
    var(--bg);
}
.hero h1 {
  font-size: clamp(2.4rem, 6vw, 3.6rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  background: linear-gradient(92deg, var(--cyan), #7db3ff 45%, var(--magenta));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero .tagline {
  margin: 18px auto 0;
  max-width: 560px;
  font-size: 1.15rem;
  color: var(--ink-dim);
}
.hero .badges {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}
.badge {
  font-size: 0.82rem;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(22, 34, 74, 0.6);
  color: var(--ink-dim);
}

/* Sections */
.section { padding: 56px 0; }
.section + .section { border-top: 1px solid var(--line); }
.section h2 {
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 18px;
  letter-spacing: -0.01em;
}
.section p { color: var(--ink-dim); margin-bottom: 14px; }
.section p strong { color: var(--ink); }

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
  margin-top: 10px;
}
.feature {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
}
.feature h3 {
  font-size: 1.05rem;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.feature ul { list-style: none; }
.feature li {
  color: var(--ink-dim);
  font-size: 0.92rem;
  padding-left: 18px;
  position: relative;
  margin-bottom: 8px;
}
.feature li::before {
  content: "❄";
  position: absolute;
  left: 0;
  color: var(--cyan);
  font-size: 0.75rem;
  top: 3px;
}

.notice {
  background: rgba(53, 211, 245, 0.07);
  border: 1px solid rgba(53, 211, 245, 0.25);
  border-radius: var(--radius);
  padding: 20px 22px;
  color: var(--ink-dim);
  font-size: 0.95rem;
}

/* Legal link cards on homepage */
.legal-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}
.legal-card {
  display: block;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  transition: border-color 0.2s, transform 0.2s;
}
.legal-card:hover {
  text-decoration: none;
  border-color: var(--cyan);
  transform: translateY(-2px);
}
.legal-card .card-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 8px;
}
.legal-card .card-desc { color: var(--ink-dim); font-size: 0.92rem; }
.legal-card .card-cta {
  margin-top: 14px;
  font-size: 0.9rem;
  color: var(--cyan);
  font-weight: 600;
}

/* Legal document pages */
.doc-header {
  padding: 64px 0 32px;
  background:
    radial-gradient(900px 380px at 50% -20%, rgba(63, 123, 246, 0.28), transparent 65%),
    var(--bg);
  border-bottom: 1px solid var(--line);
}
.doc-header h1 {
  font-size: clamp(1.8rem, 4.5vw, 2.5rem);
  font-weight: 850;
  letter-spacing: -0.02em;
}
.doc-header .meta { margin-top: 10px; color: var(--ink-dim); font-size: 0.95rem; }

.doc { padding: 44px 0 72px; }
.doc h2 {
  font-size: 1.32rem;
  font-weight: 750;
  margin: 40px 0 14px;
  padding-top: 8px;
  letter-spacing: -0.01em;
}
.doc h3 { font-size: 1.08rem; font-weight: 700; margin: 26px 0 10px; }
.doc p { color: var(--ink-dim); margin-bottom: 14px; }
.doc p strong, .doc li strong { color: var(--ink); }
.doc ul { margin: 0 0 16px 22px; }
.doc li { color: var(--ink-dim); margin-bottom: 8px; }
.doc code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.88em;
  background: rgba(120, 160, 255, 0.12);
  border-radius: 5px;
  padding: 2px 6px;
}
.doc .contact-block {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 26px;
  margin-top: 12px;
}
.doc .contact-block p { margin-bottom: 4px; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 36px 0 44px;
  background: var(--bg-soft);
}
.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  font-size: 0.9rem;
  color: var(--ink-dim);
}
.site-footer .links { display: flex; gap: 20px; }

@media (max-width: 560px) {
  .hero { padding: 64px 0 56px; }
  .nav-links { gap: 14px; font-size: 0.85rem; }
}