:root {
  --brand: #0f3d2e;
  --brand-soft: #e3eee6;
  --ink: #0d1f18;
  --muted: #66756c;
  --line: #e8e5db;
  --surface: #ffffff;
  --surface-alt: #f8f7f2;
  --danger: #d4483b;
  --danger-soft: #fbe9e7;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  color: var(--ink);
  background: var(--surface-alt);
  line-height: 1.6;
}

a { color: var(--brand); }

.draft {
  background: var(--danger-soft);
  color: var(--danger);
  text-align: center;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 8px 16px;
}

header {
  background: var(--brand);
  color: #fff;
}

header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 14px;
  padding-bottom: 14px;
}

header a { color: #fff; text-decoration: none; }
.logo { font-weight: 800; font-size: 1.25rem; letter-spacing: 0.2px; }
nav { display: flex; gap: 16px; flex-wrap: wrap; font-size: 0.95rem; }
nav a { opacity: 0.85; }
nav a:hover, nav a[aria-current='page'] { opacity: 1; text-decoration: underline; }

.wrap { max-width: 860px; margin: 0 auto; padding: 0 20px; }

.hero {
  background: var(--brand);
  color: #fff;
  padding: 48px 0 64px;
}

.hero h1 { font-size: clamp(1.9rem, 5vw, 2.8rem); line-height: 1.15; margin: 0 0 12px; }
.hero p { font-size: 1.15rem; opacity: 0.9; margin: 0 0 24px; max-width: 560px; }

.badge {
  display: inline-block;
  background: #fff;
  color: var(--brand);
  border-radius: 999px;
  padding: 10px 20px;
  font-weight: 700;
}

main { padding: 32px 0 48px; }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-top: -40px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px;
}

.card h2 { margin-top: 0; font-size: 1.1rem; }

article {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 28px clamp(20px, 4vw, 40px);
}

article h1 { margin-top: 0; line-height: 1.2; }
article h2 { margin-top: 2rem; font-size: 1.2rem; color: var(--brand); }
.updated { color: var(--muted); font-size: 0.95rem; }

.steps { padding-left: 1.2rem; }
.steps li { margin-bottom: 6px; }

.note {
  background: var(--brand-soft);
  border-radius: 12px;
  padding: 14px 18px;
}

.table-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: var(--surface-alt); }

footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
  padding: 20px 0 32px;
}

footer .wrap { display: flex; gap: 16px; flex-wrap: wrap; justify-content: space-between; }
footer nav a { color: var(--muted); }