:root {
  color-scheme: light dark;
  --navy: #071a36;
  --ivory: #fff7e8;
  --sage: #6f9778;
  --coral: #ef6a54;
  --ink: #172033;
  --muted: #667085;
  --line: rgba(23, 32, 51, 0.12);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  background: #fbfaf7;
  color: var(--ink);
  line-height: 1.7;
}

main {
  width: min(760px, calc(100% - 40px));
  margin: 0 auto;
  padding: 72px 0 96px;
}

.language-switcher {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin-bottom: 28px;
  font-size: 14px;
}

.language-switcher a {
  color: var(--muted);
  text-decoration: none;
}

.language-switcher a[aria-current="page"] {
  color: var(--ink);
  font-weight: 750;
  text-decoration: underline;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--sage);
  font-weight: 750;
}

.mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 12px;
  background: var(--navy);
  color: var(--ivory);
}

h1 {
  margin: 28px 0 12px;
  font-size: clamp(34px, 7vw, 54px);
  line-height: 1.15;
  letter-spacing: -0.045em;
}

h2 {
  margin: 42px 0 12px;
  font-size: 22px;
  letter-spacing: -0.025em;
}

p, li { font-size: 16px; }
.lead { color: var(--muted); font-size: 19px; }
.muted { color: var(--muted); }

.card {
  margin-top: 34px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.7);
}

a { color: #2d7357; text-underline-offset: 3px; }

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 14px;
  background: var(--navy);
  color: white;
  font-weight: 700;
  text-decoration: none;
}

footer {
  margin-top: 64px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

@media (prefers-color-scheme: dark) {
  body { background: #081325; color: #f5f1e8; }
  .lead, .muted, footer { color: #aab4c5; }
  .card { background: rgba(255, 255, 255, 0.05); border-color: rgba(255, 255, 255, 0.12); }
  a { color: #96c7a1; }
  .button { background: var(--ivory); color: var(--navy); }
  .language-switcher a[aria-current="page"] { color: #f5f1e8; }
}