/* Clytie 사이트 공통 스타일. 색은 Duedrop 앱과 맞췄다 (흰 배경, 짙은 남색 글씨, 파란 포인트). */
:root {
  --bg: #ffffff;
  --surface: #f9fafb;
  --border: #e5e7eb;
  --text: #111827;
  --sub: #6b7280;
  --accent: #007aff;
  --pink: #fce7f3;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b0d12;
    --surface: #161a22;
    --border: #262b36;
    --text: #f3f4f6;
    --sub: #9ca3af;
    --accent: #4da3ff;
    --pink: #3a2230;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Apple SD Gothic Neo', 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.65;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 760px; margin: 0 auto; padding: 0 20px; }
header.site {
  border-bottom: 1px solid var(--border);
}
header.site .wrap {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.brand { font-weight: 800; font-size: 20px; color: var(--text); letter-spacing: -0.02em; }
.brand:hover { text-decoration: none; }
nav a { color: var(--sub); margin-left: 18px; font-weight: 500; font-size: 15px; }
main { padding: 48px 0 72px; }
h1 { font-size: 34px; line-height: 1.25; letter-spacing: -0.02em; margin: 0 0 12px; }
h2 { font-size: 22px; margin: 40px 0 10px; letter-spacing: -0.01em; }
h3 { font-size: 17px; margin: 28px 0 6px; }
p, li { color: var(--text); }
.lead { color: var(--sub); font-size: 18px; margin: 0 0 32px; }
.muted { color: var(--sub); font-size: 14px; }
.card {
  display: flex; gap: 18px; align-items: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 20px;
  color: var(--text);
}
.card:hover { text-decoration: none; border-color: var(--accent); }
.app-icon {
  width: 64px; height: 64px; border-radius: 15px; flex: none;
  background: linear-gradient(135deg, #1db954, #007aff 55%, #e50914);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 800; font-size: 28px;
}
.card h3 { margin: 0 0 2px; }
.card p { margin: 0; color: var(--sub); font-size: 15px; }
.links { display: flex; flex-wrap: wrap; gap: 10px; margin: 24px 0 0; }
.button {
  display: inline-block; padding: 10px 18px; border-radius: 999px;
  background: var(--text); color: var(--bg); font-weight: 600; font-size: 15px;
}
.button.ghost { background: var(--surface); color: var(--text); border: 1px solid var(--border); }
.button:hover { text-decoration: none; opacity: .85; }
.lang { display: flex; gap: 8px; margin: 0 0 28px; }
.lang a { padding: 6px 14px; border-radius: 999px; border: 1px solid var(--border); color: var(--sub); font-size: 14px; font-weight: 600; }
.lang a.on { background: var(--text); color: var(--bg); border-color: var(--text); }
.box { background: var(--pink); border-radius: 16px; padding: 16px 20px; margin: 24px 0; }
.box p { margin: 0; }
details { border-bottom: 1px solid var(--border); padding: 14px 0; }
summary { cursor: pointer; font-weight: 600; }
details p { margin: 10px 0 0; color: var(--sub); }
footer { border-top: 1px solid var(--border); padding: 24px 0 40px; }
footer .wrap { color: var(--sub); font-size: 14px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }
hr { border: 0; border-top: 1px solid var(--border); margin: 56px 0; }
@media (max-width: 520px) {
  h1 { font-size: 28px; }
  nav a { margin-left: 12px; }
}