/* Korean Unblurred — public homepage (Cloudflare Pages, static) */
:root {
  --bg: #fbfaf7;
  --fg: #16181d;
  --muted: #5d6470;
  --line: #e6e3dc;
  --card: #ffffff;
  --accent: #0b6fa4;
  --accent-soft: #e3f2fa;
  --ko: "Noto Sans KR", "Apple SD Gothic Neo", sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #10161f;
    --fg: #eef1f5;
    --muted: #9aa3b0;
    --line: #253041;
    --card: #161e2a;
    --accent: #7dd3fc;
    --accent-soft: #15324a;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, var(--ko);
}
a { color: var(--accent); }
.wrap { max-width: 960px; margin: 0 auto; padding: 0 16px; }

header.top { border-bottom: 1px solid var(--line); }
header.top .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { font-weight: 800; letter-spacing: -0.01em; color: var(--fg); text-decoration: none; font-size: 18px; }
.brand span { color: var(--accent); }
nav a { color: var(--muted); text-decoration: none; margin-left: 18px; font-size: 15px; }
nav a:hover { color: var(--fg); }

.hero { padding: 72px 16px 56px; }
.hero h1 { font-size: clamp(32px, 6vw, 52px); line-height: 1.12; letter-spacing: -0.02em; margin: 0 0 18px; }
.hero h1 em { font-style: normal; color: var(--accent); }
.hero p.lead { font-size: clamp(17px, 2.4vw, 20px); color: var(--muted); max-width: 640px; margin: 0 0 28px; }
.pill { display: inline-block; font-size: 13px; font-weight: 600; color: var(--accent); background: var(--accent-soft);
        padding: 4px 12px; border-radius: 999px; margin-bottom: 18px; }
.contrast { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; max-width: 640px; }
.contrast div { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; }
.contrast small { display: block; color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .06em; }
.contrast b { font-family: var(--ko); font-size: 20px; }

section { padding: 48px 0; border-top: 1px solid var(--line); }
section h2 { font-size: 26px; letter-spacing: -0.01em; margin: 0 0 8px; }
section p.sub { color: var(--muted); margin: 0 0 28px; max-width: 640px; }

.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; counter-reset: s; }
.steps li { list-style: none; background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 18px; }
.steps li::before { counter-increment: s; content: counter(s); display: inline-grid; place-items: center; width: 28px; height: 28px;
                    border-radius: 50%; background: var(--accent-soft); color: var(--accent); font-weight: 700; font-size: 14px; margin-bottom: 10px; }
.steps h3 { font-size: 16px; margin: 0 0 6px; }
.steps p { font-size: 15px; color: var(--muted); margin: 0; }
ol.steps { padding: 0; margin: 0; }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 18px; }
.card .ko { font-family: var(--ko); font-size: 22px; font-weight: 700; }
.card .en { color: var(--accent); font-weight: 600; margin: 2px 0 8px; }
.card p { font-size: 15px; color: var(--muted); margin: 0; }

.note { background: var(--accent-soft); border-radius: 12px; padding: 18px 20px; }
.note p { margin: 0; }

footer { border-top: 1px solid var(--line); padding: 28px 0 40px; color: var(--muted); font-size: 14px; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 8px 22px; justify-content: space-between; }
footer a { color: var(--muted); }

/* legal pages */
.legal { padding: 48px 16px 64px; max-width: 760px; }
.legal h1 { font-size: 34px; margin: 0 0 6px; letter-spacing: -0.01em; }
.legal .date { color: var(--muted); margin: 0 0 32px; }
.legal h2 { font-size: 20px; margin: 32px 0 8px; }
.legal li { margin-bottom: 6px; }

@media (max-width: 760px) {
  .steps { grid-template-columns: 1fr 1fr; }
  .cards { grid-template-columns: 1fr; }
  nav a { margin-left: 12px; }
}
@media (max-width: 420px) {
  .steps, .contrast { grid-template-columns: 1fr; }
}