/* ===== Tatispa 문서/정책 페이지 — iOS 스타일 ===== */
:root {
  --primary: #007aff;
  --primary-dark: #0062cc;
  --bg: #f2f2f7;
  --card: #ffffff;
  --fill: rgba(120,120,128,0.12);
  --border: rgba(60,60,67,0.16);
  --text: #000000;
  --text-secondary: rgba(60,60,67,0.62);
  --text-muted: rgba(60,60,67,0.34);
  --nav-bg: rgba(248,248,250,0.82);
  --radius: 14px;
  --maxw: 760px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --primary: #0a84ff;
    --primary-dark: #0a84ff;
    --bg: #000000;
    --card: #1c1c1e;
    --fill: rgba(120,120,128,0.24);
    --border: rgba(84,84,88,0.55);
    --text: #ffffff;
    --text-secondary: rgba(235,235,245,0.62);
    --text-muted: rgba(235,235,245,0.3);
    --nav-bg: rgba(28,28,30,0.8);
  }
}

* { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Segoe UI', 'Noto Sans KR', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 17px;
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; }
a:hover { opacity: 0.7; }

/* 헤더 (라지 타이틀) */
.site-header { padding: 28px 20px 22px; }
.site-header-inner { max-width: var(--maxw); margin: 0 auto; display: flex; align-items: center; gap: 14px; }
.logo {
  width: 52px; height: 52px; border-radius: 14px;
  background: linear-gradient(160deg, #3a9bff, #007aff);
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 26px; flex-shrink: 0;
  box-shadow: 0 8px 22px rgba(0,122,255,0.35);
}
.site-header h1 { font-size: 30px; font-weight: 700; letter-spacing: -0.03em; }
.site-header .tagline { font-size: 14px; color: var(--text-secondary); margin-top: 2px; }

/* 내비게이션 (세그먼트 느낌) */
.nav {
  background: var(--nav-bg);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 0.5px solid var(--border);
  position: sticky; top: 0; z-index: 10;
}
.nav-inner { max-width: var(--maxw); margin: 0 auto; padding: 0 16px; display: flex; gap: 2px; flex-wrap: wrap; }
.nav a {
  padding: 13px 12px; font-size: 14px; font-weight: 500; color: var(--text-secondary);
  border-bottom: 2px solid transparent;
}
.nav a:hover { color: var(--primary); opacity: 1; }
.nav a.active { color: var(--primary); font-weight: 600; border-bottom-color: var(--primary); }

/* 본문 */
.container { max-width: var(--maxw); margin: 0 auto; padding: 28px 20px 72px; }
.doc-meta { color: var(--text-muted); font-size: 14px; margin-bottom: 26px; }

h2 { font-size: 22px; font-weight: 700; margin: 36px 0 12px; letter-spacing: -0.02em; }
h2:first-of-type { margin-top: 10px; }
h3 { font-size: 17px; font-weight: 600; margin: 22px 0 8px; }
p { margin: 10px 0; color: var(--text-secondary); }
ul, ol { margin: 10px 0 10px 22px; color: var(--text-secondary); }
li { margin: 6px 0; }
strong { color: var(--text); font-weight: 600; }

/* 그룹 카드 */
.card {
  background: var(--card); border: none; border-radius: var(--radius);
  padding: 20px 22px; margin: 18px 0; box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}

table { width: 100%; border-collapse: separate; border-spacing: 0; margin: 16px 0; font-size: 15px; background: var(--card); border-radius: var(--radius); overflow: hidden; box-shadow: 0 1px 2px rgba(0,0,0,0.05); }
th, td { padding: 11px 14px; text-align: left; vertical-align: top; border-bottom: 0.5px solid var(--border); }
tr:last-child td { border-bottom: none; }
th { background: var(--fill); color: var(--text); font-weight: 600; }

.note {
  background: var(--fill); border-left: 3px solid var(--primary);
  border-radius: 10px; padding: 14px 18px; margin: 18px 0; font-size: 15px;
}
.placeholder { background: rgba(255,149,0,0.18); border-radius: 5px; padding: 1px 6px; font-weight: 600; color: #c2780a; }
@media (prefers-color-scheme: dark) { .placeholder { color: #ffd60a; } }

/* 소개(hero) */
.hero { text-align: center; padding: 28px 0 10px; }
.hero h2 { font-size: 30px; letter-spacing: -0.03em; }
.hero p { font-size: 18px; max-width: 580px; margin: 12px auto; }
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; margin: 26px 0; }
.feature { background: var(--card); border: none; border-radius: var(--radius); padding: 20px; box-shadow: 0 1px 2px rgba(0,0,0,0.05); }
.feature .emoji { font-size: 30px; }
.feature h3 { margin: 10px 0 5px; }
.feature p { font-size: 15px; margin: 0; }

/* 푸터 */
.site-footer { border-top: 0.5px solid var(--border); padding: 26px 20px calc(26px + env(safe-area-inset-bottom)); text-align: center; color: var(--text-muted); font-size: 14px; }
.site-footer a { margin: 0 8px; }