/* 오늘혈압 소개 사이트 — 앱 팔레트(클린 메디컬: 화이트+블루)에 맞춤 */
:root {
  --blue: #185FA5;
  --teal: #1D9E75;
  --red: #E24B4A;
  --blue-bg: #E6F1FB;
  --ink: #1a2330;
  --muted: #5b6472;
  --line: #e4e9f0;
  --bg: #ffffff;
  --card: #f7fafd;
  --radius: 16px;
  --maxw: 880px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Apple SD Gothic Neo",
    "Noto Sans KR", Roboto, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 22px; }

/* ── 상단 바 ── */
.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 22px; max-width: var(--maxw); margin: 0 auto;
}
.nav .brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px; }
.nav .brand .dot {
  width: 26px; height: 26px; border-radius: 8px;
  background: linear-gradient(135deg, var(--blue), var(--teal));
}
.nav a.navlink { color: var(--muted); font-size: 15px; }

/* ── 히어로 ── */
.hero {
  background: linear-gradient(180deg, var(--blue-bg), #fff);
  padding: 56px 0 64px;
  border-bottom: 1px solid var(--line);
  text-align: center;
}
.hero h1 { font-size: clamp(30px, 6vw, 46px); margin: 0 0 12px; letter-spacing: -0.5px; }
.hero .tag { font-size: clamp(16px, 3.4vw, 20px); color: var(--muted); margin: 0 auto 28px; max-width: 560px; }
.pills { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.pill {
  background: #fff; border: 1px solid var(--line); border-radius: 999px;
  padding: 7px 14px; font-size: 14px; color: var(--ink);
}
.pill b { color: var(--blue); }

/* ── 섹션 ── */
section { padding: 52px 0; }
section h2 { font-size: 26px; margin: 0 0 24px; letter-spacing: -0.3px; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px;
}
.card .ic { font-size: 24px; margin-bottom: 8px; }
.card h3 { margin: 0 0 6px; font-size: 17px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }

/* ── 개인정보 강조 배너 ── */
.privacy-banner {
  background: var(--blue); color: #fff; border-radius: var(--radius);
  padding: 28px; text-align: center;
}
.privacy-banner h2 { color: #fff; margin: 0 0 8px; }
.privacy-banner p { margin: 0 auto 4px; max-width: 560px; opacity: .92; }
.privacy-banner a { color: #fff; text-decoration: underline; font-weight: 600; }

/* ── 문서(개인정보 처리방침) ── */
.doc { padding: 44px 0 72px; }
.doc h1 { font-size: 30px; margin: 0 0 6px; }
.doc .updated { color: var(--muted); font-size: 14px; margin: 0 0 32px; }
.doc h2 { font-size: 20px; margin: 34px 0 10px; }
.doc p, .doc li { color: var(--ink); font-size: 16px; }
.doc ul { padding-left: 20px; }
.doc li { margin-bottom: 6px; }
.doc .back { display: inline-block; margin-bottom: 24px; font-size: 15px; }

/* ── 언어 토글 ── */
.lang-toggle { display: inline-flex; border: 1px solid var(--line); border-radius: 999px; overflow: hidden; margin-bottom: 28px; }
.lang-toggle button {
  border: 0; background: #fff; padding: 6px 16px; font-size: 14px; cursor: pointer; color: var(--muted);
}
.lang-toggle button.active { background: var(--blue); color: #fff; }
[data-lang] { display: none; }
[data-lang].show { display: block; }

/* ── 푸터 ── */
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 20px; justify-content: space-between; align-items: center; }
footer a { color: var(--muted); }