:root {
  --slate: #0F172A;
  --slate-2: #1E293B;
  --slate-3: #334155;
  --text: #0F172A;
  --muted: #475569;
  --bg: #F8FAFC;
  --card: #FFFFFF;
  --line: #E2E8F0;
  --accent: #F97316;
  --accent-dark: #EA580C;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent-dark); }

.wrap { max-width: 960px; margin: 0 auto; padding: 0 20px; }

/* Header */
header.site {
  background: var(--slate);
  color: #fff;
}
header.site .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.15rem;
}
.brand-mark {
  width: 32px; height: 32px;
  border-radius: 8px;
  background: var(--accent);
  display: grid; place-items: center;
  font-size: 1rem;
}
nav a {
  color: #CBD5E1;
  text-decoration: none;
  margin-left: 20px;
  font-size: 0.95rem;
}
nav a:hover, nav a[aria-current="page"] { color: #fff; }

/* Hero */
.hero {
  background: linear-gradient(180deg, var(--slate) 0%, var(--slate-2) 100%);
  color: #fff;
  padding: 72px 0 88px;
  text-align: center;
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.15;
  margin: 0 0 16px;
  letter-spacing: -0.02em;
}
.hero p {
  color: #CBD5E1;
  font-size: 1.15rem;
  max-width: 620px;
  margin: 0 auto 32px;
}
.badges {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}
.btn {
  display: inline-block;
  padding: 13px 22px;
  border-radius: 10px;
  font-weight: 600;
  text-decoration: none;
  font-size: 1rem;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); }
.btn-ghost {
  background: transparent;
  color: #fff;
  border: 1px solid var(--slate-3);
}
.btn-ghost span { color: #94A3B8; font-weight: 400; }

/* Sections */
section { padding: 64px 0; }
section h2 {
  font-size: 1.75rem;
  margin: 0 0 8px;
  text-align: center;
  letter-spacing: -0.01em;
}
.lead {
  text-align: center;
  color: var(--muted);
  max-width: 600px;
  margin: 0 auto 40px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 24px;
}
.card .icon { font-size: 1.6rem; margin-bottom: 8px; }
.card h3 { margin: 0 0 6px; font-size: 1.1rem; }
.card p { margin: 0; color: var(--muted); }

.steps { counter-reset: step; list-style: none; padding: 0; max-width: 620px; margin: 0 auto; }
.steps li {
  counter-increment: step;
  position: relative;
  padding: 0 0 22px 52px;
}
.steps li::before {
  content: counter(step);
  position: absolute; left: 0; top: 0;
  width: 34px; height: 34px;
  border-radius: 50%;
  background: var(--slate);
  color: #fff;
  display: grid; place-items: center;
  font-weight: 700;
}
.steps strong { display: block; }
.steps span { color: var(--muted); }

.alt { background: #fff; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

.note {
  background: #FFF7ED;
  border: 1px solid #FED7AA;
  border-radius: 12px;
  padding: 18px 20px;
  color: #7C2D12;
  max-width: 720px;
  margin: 0 auto;
}

/* Document pages (privacy, support) */
.doc { padding: 48px 0 72px; }
.doc .wrap { max-width: 760px; }
.doc h1 { font-size: 2rem; margin: 0 0 4px; letter-spacing: -0.01em; }
.doc .updated { color: var(--muted); margin: 0 0 32px; }
.doc h2 { font-size: 1.25rem; margin: 32px 0 8px; text-align: left; }
.doc ul { padding-left: 20px; }
.doc li { margin-bottom: 6px; }

details {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px 20px;
  margin-bottom: 12px;
}
summary { font-weight: 600; cursor: pointer; }
details p { color: var(--muted); margin: 10px 0 0; }

/* Footer */
footer.site {
  background: var(--slate);
  color: #94A3B8;
  padding: 32px 0;
  font-size: 0.9rem;
}
footer.site .wrap { display: flex; flex-wrap: wrap; gap: 16px; justify-content: space-between; }
footer.site a { color: #CBD5E1; text-decoration: none; margin-right: 16px; }
footer.site a:hover { color: #fff; }
.disclosure { width: 100%; margin: 8px 0 0; font-size: 0.85rem; }

@media (max-width: 560px) {
  nav a { margin-left: 14px; font-size: 0.9rem; }
  .hero { padding: 56px 0 64px; }
  section { padding: 48px 0; }
}