:root {
  color-scheme: light;
  --paper: #f6f0e5;
  --surface: rgba(255, 252, 246, 0.88);
  --ink: #25312c;
  --muted: #66706a;
  --line: #d8d3c6;
  --olive: #65775c;
  --water: #5b8990;
  --night: #1b2b25;
  --max: 760px;
}

* { box-sizing: border-box; }

html { background: var(--paper); }

body {
  min-width: 320px;
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 88% 8%, rgba(91, 137, 144, 0.18), transparent 24rem),
    linear-gradient(180deg, #e9e2d4, var(--paper) 34rem);
  font-family: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  line-height: 1.65;
  word-break: keep-all;
}

a { color: inherit; }

.shell { width: min(calc(100% - 40px), var(--max)); margin: 0 auto; }

header {
  padding: 24px 0;
  border-bottom: 1px solid rgba(255,255,255,0.22);
  color: #fff;
  background: var(--night);
}

.nav { display: flex; align-items: center; justify-content: space-between; gap: 20px; }

.brand { color: #fff; font-size: 15px; font-weight: 750; letter-spacing: -0.03em; text-decoration: none; }

.nav-links { display: flex; gap: 16px; font-size: 14px; }

.nav-links a { color: rgba(255,255,255,0.78); text-decoration: none; }
.nav-links a:hover, .nav-links a:focus-visible { color: #fff; text-decoration: underline; text-underline-offset: 4px; }

main { padding: 76px 0 64px; }

.eyebrow { margin: 0 0 14px; color: var(--olive); font-size: 12px; font-weight: 800; letter-spacing: 0.12em; }

h1, h2, h3, p { margin-top: 0; }

h1 { max-width: 660px; margin-bottom: 18px; font-size: clamp(42px, 8vw, 70px); line-height: 1.04; letter-spacing: -0.072em; }

h1 .english { display: block; margin-top: 16px; color: var(--water); font-size: clamp(20px, 3vw, 28px); letter-spacing: -0.035em; }

.lead { max-width: 610px; margin-bottom: 34px; color: var(--muted); font-size: 19px; }

.actions { display: flex; flex-wrap: wrap; gap: 10px; margin: 30px 0 54px; }

.button {
  display: inline-flex; align-items: center; min-height: 46px; padding: 10px 18px;
  border: 1px solid var(--ink); border-radius: 999px; background: var(--ink); color: #fff;
  font-size: 15px; font-weight: 700; text-decoration: none;
}

.button.secondary { border-color: var(--line); background: var(--surface); color: var(--ink); }
.button:hover, .button:focus-visible { transform: translateY(-1px); }

.grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }

.card, .panel {
  border: 1px solid var(--line); border-radius: 18px; background: var(--surface); box-shadow: 0 10px 32px rgba(42, 53, 43, 0.045);
}

.card { min-height: 156px; padding: 20px; }
.card h2 { margin-bottom: 8px; font-size: 18px; letter-spacing: -0.045em; }
.card p, .panel p, .panel li { color: var(--muted); font-size: 15px; }

.panel { margin-bottom: 16px; padding: 26px; }
.panel h2 { margin-bottom: 10px; font-size: 24px; letter-spacing: -0.05em; }
.panel h3 { margin: 24px 0 6px; font-size: 17px; }
.panel ul { padding-left: 1.25rem; margin-bottom: 0; }

.policy-meta { margin-bottom: 30px; color: var(--muted); font-size: 14px; }
.contact { color: var(--ink) !important; font-weight: 700; }

footer { padding: 26px 0 36px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }

@media (max-width: 660px) {
  .shell { width: min(calc(100% - 32px), var(--max)); }
  .nav { align-items: flex-start; flex-direction: column; gap: 10px; }
  .nav-links { gap: 14px; }
  main { padding: 54px 0 46px; }
  .grid { grid-template-columns: 1fr; }
  .card { min-height: unset; }
  .panel { padding: 22px; }
}