:root {
  color-scheme: light;
  --bg: #f6f4ef;
  --panel: #ffffff;
  --ink: #17211e;
  --muted: #626c67;
  --line: #e0ddd3;
  --accent: #0f766e;
  --accent-2: #b45309;
  --accent-soft: #eaf7f4;
  --warm-soft: #fff7ed;
  --code: #f2f1eb;
  --shadow: 0 18px 55px rgba(36, 45, 40, .08);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background:
    linear-gradient(180deg, rgba(234, 247, 244, .72), rgba(246, 244, 239, 0) 310px),
    var(--bg);
  color: var(--ink);
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

main {
  width: min(920px, calc(100vw - 28px));
  margin: 30px auto;
  padding: 0;
}

.hero,
.content-card {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 30px;
}

.hero::after {
  position: absolute;
  inset: 0 0 auto auto;
  width: 210px;
  height: 210px;
  border-radius: 0 0 0 100%;
  background: linear-gradient(135deg, rgba(15, 118, 110, .12), rgba(180, 83, 9, .14));
  content: "";
  pointer-events: none;
}

.hero > * { position: relative; z-index: 1; }

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.content-card {
  margin-top: 14px;
  padding: 24px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}

h1 { margin: 0; font-size: clamp(24px, 5vw, 32px); letter-spacing: -.025em; }
h2 { margin: 28px 0 10px; font-size: 17px; }
h2:first-child { margin-top: 0; }
p, li { color: var(--muted); font-size: 14px; line-height: 1.7; }
.lead { margin: 10px 0 0; font-size: 15px; }
ol { margin: 14px 0 0; padding-left: 23px; }
li + li { margin-top: 8px; }

a { color: var(--accent); font-weight: 700; text-underline-offset: 3px; }
code { padding: 2px 5px; border-radius: 5px; background: var(--code); color: var(--ink); font-size: .93em; }

.official-link {
  display: inline-flex;
  padding: 9px 12px;
  align-items: center;
  border: 1px solid color-mix(in srgb, var(--accent) 28%, var(--line));
  border-radius: 8px;
  background: var(--accent-soft);
  text-decoration: none;
}

.official-link.secondary {
  border-color: color-mix(in srgb, var(--accent-2) 28%, var(--line));
  background: var(--warm-soft);
  color: var(--accent-2);
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 20px 0 0;
}

.summary-card,
.check-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffdfa;
}

.summary-card {
  padding: 13px 14px;
}

.summary-card b,
.check-card b {
  display: block;
  color: var(--ink);
  font-size: 13px;
}

.summary-card span,
.check-card span {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.step-list {
  display: grid;
  gap: 12px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: guide-step;
}

.step-list li {
  position: relative;
  min-height: 44px;
  margin: 0;
  padding: 12px 14px 12px 54px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffdfa;
}

.step-list li::before {
  position: absolute;
  top: 13px;
  left: 14px;
  display: grid;
  width: 26px;
  height: 26px;
  place-items: center;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  content: counter(guide-step);
  counter-increment: guide-step;
  font-size: 12px;
  font-weight: 800;
}

.check-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.check-card {
  padding: 13px 14px;
}

.note {
  margin-top: 24px;
  padding: 13px 14px;
  border-left: 3px solid var(--accent);
  border-radius: 0 8px 8px 0;
  background: var(--accent-soft);
}

.note strong { color: var(--ink); }
.note p { margin: 0; }
.guide-grid { display: grid; margin-top: 22px; gap: 10px; }
.guide-grid a { display: grid; padding: 14px; gap: 3px; border: 1px solid var(--line); border-radius: 9px; color: var(--ink); text-decoration: none; }
.guide-grid a:hover { border-color: var(--accent); background: var(--accent-soft); }
.guide-grid small { color: var(--muted); font-weight: 400; }
.guide-section { scroll-margin-top: 18px; }

@media (max-width: 560px) {
  main { margin: 14px auto; }
  .hero,
  .content-card { padding: 20px 17px; }
  .summary-grid,
  .check-grid { grid-template-columns: 1fr; }
}