/*  앱과 같은 검은 크롬 + 노란 강조.
    Retro.yellow = rgb(255, 204, 0), dim = #9e9e9e, hairline = #383838  */

:root {
  --bg: #000;
  --fg: #fff;
  --dim: #9e9e9e;
  --hairline: #383838;
  --yellow: #ffcc00;
  --card: #161616;
  --maxw: 760px;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans KR",
               "Noto Sans JP", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

a { color: var(--yellow); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── 상단 바 ─────────────────────────────────────────────── */
.bar {
  border-bottom: 1px solid var(--hairline);
  position: sticky; top: 0; z-index: 10;
  background: rgba(0, 0, 0, 0.92);
  backdrop-filter: saturate(180%) blur(12px);
}
.bar .wrap {
  display: flex; align-items: center; gap: 18px;
  height: 56px;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  color: var(--fg); font-weight: 600; letter-spacing: 0.04em;
}
.brand img { width: 26px; height: 26px; border-radius: 6px; display: block; }
.bar nav { margin-inline-start: auto; display: flex; gap: 16px; align-items: center; }
.bar nav a { color: var(--dim); font-size: 14px; }
.bar nav a[aria-current="page"] { color: var(--fg); }

.langs { display: flex; gap: 8px; align-items: center; }
.langs a {
  color: var(--dim); font-size: 13px;
  padding: 2px 7px; border: 1px solid var(--hairline); border-radius: 999px;
}
.langs a[aria-current="true"] { color: #000; background: var(--yellow); border-color: var(--yellow); }

/* ── 히어로 ─────────────────────────────────────────────── */
.hero { padding: 72px 0 56px; text-align: center; }
.hero img.icon {
  width: 104px; height: 104px; border-radius: 23px; display: block;
  margin: 0 auto 26px; box-shadow: 0 10px 40px rgba(255, 204, 0, 0.14);
}
.hero h1 {
  font-size: 34px; line-height: 1.25; margin: 0 0 16px; letter-spacing: -0.01em;
}
.hero p { color: var(--dim); margin: 0 auto; max-width: 56ch; }

.stores { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-top: 32px; }
.store {
  display: inline-block; padding: 11px 22px; border-radius: 10px;
  background: var(--yellow); color: #000; font-weight: 600; font-size: 15px;
}
.store:hover { text-decoration: none; filter: brightness(1.08); }
.store[aria-disabled="true"] {
  background: transparent; color: var(--dim);
  border: 1px solid var(--hairline); cursor: default; font-weight: 400;
}
.store[aria-disabled="true"]:hover { filter: none; text-decoration: none; }

/* ── 본문 ───────────────────────────────────────────────── */
section { padding: 40px 0; border-top: 1px solid var(--hairline); }
section h2 { font-size: 13px; letter-spacing: 0.16em; text-transform: uppercase;
             color: var(--dim); margin: 0 0 22px; font-weight: 600; }

.feature { margin-bottom: 30px; }
.feature:last-child { margin-bottom: 0; }
.feature h3 { font-size: 19px; margin: 0 0 7px; }
.feature p { color: var(--dim); margin: 0; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 14px; }
.card { background: var(--card); border-radius: 12px; padding: 18px 20px; }
.card h3 { margin: 0 0 6px; font-size: 15px; color: var(--yellow); letter-spacing: 0.04em; }
.card p { margin: 0; color: var(--dim); font-size: 14px; line-height: 1.55; }

/* ── 개인정보처리방침 ─────────────────────────────────────── */
.doc { padding: 56px 0 24px; }
.doc h1 { font-size: 30px; margin: 0 0 8px; }
.doc .updated { color: var(--dim); font-size: 14px; margin: 0 0 8px; }
.doc section { border-top: 1px solid var(--hairline); padding: 28px 0; }
.doc section h2 {
  font-size: 19px; letter-spacing: normal; text-transform: none;
  color: var(--fg); margin: 0 0 12px; font-weight: 600;
}
.doc p { margin: 0 0 14px; }
.doc p:last-child { margin-bottom: 0; }
.doc ul { margin: 0; padding-inline-start: 20px; color: var(--dim); }
.doc table { width: 100%; border-collapse: collapse; font-size: 15px; }
.doc th, .doc td { text-align: start; padding: 10px 12px; border-bottom: 1px solid var(--hairline); }
.doc th { color: var(--dim); font-weight: 600; font-size: 13px;
          letter-spacing: 0.08em; text-transform: uppercase; }
.doc code {
  background: var(--card); padding: 2px 6px; border-radius: 5px;
  font-size: 0.92em; font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

/* ── 바닥 ───────────────────────────────────────────────── */
footer {
  border-top: 1px solid var(--hairline); margin-top: 48px;
  padding: 28px 0 48px; color: var(--dim); font-size: 14px;
}
footer .wrap { display: flex; gap: 16px; flex-wrap: wrap; align-items: center; }
footer nav { margin-inline-start: auto; display: flex; gap: 16px; }

@media (max-width: 560px) {
  .hero { padding: 48px 0 40px; }
  .hero h1 { font-size: 27px; }
  .bar .wrap { gap: 12px; }
  .bar nav { gap: 12px; }
}

/* 시스템이 밝은 테마여도 이 사이트는 검다 — 앱과 같은 인상을 주기 위해서다 */
@media print {
  body { background: #fff; color: #000; }
  .bar, footer nav, .stores { display: none; }
}