/* ===== common.css — yoursite ===== */

:root {
  --bg: #ddeef8;
  --text: #4a6070;
  --accent: #7aadcc;
  --accent2: #a8cce0;
  --nav-bg: #c8deeacc;
  --border: #b0cedd;
  --menu-bg: rgba(200, 226, 244, 0.55);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: 'DM Sans', sans-serif;
  background-color: var(--bg);
  color: var(--text);
  min-height: 100vh;
  background-image:
    radial-gradient(circle at 15% 15%, #c4dff0 0%, transparent 55%),
    radial-gradient(circle at 85% 85%, #b8d8ee 0%, transparent 55%);
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='40' height='40'%3E%3Cpath d='M20 30 C10 22, 2 16, 2 10 A8 8 0 0 1 20 8 A8 8 0 0 1 38 10 C38 16, 30 22, 20 30Z' fill='%2390bdd4' opacity='0.15'/%3E%3C/svg%3E");
  background-repeat: repeat;
  pointer-events: none;
  z-index: 0;
}

/* ── 네비게이션 ── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--nav-bg);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
  text-align: center;
}

nav a {
  font-family: 'DM Sans', sans-serif;
  font-weight: 300;
  font-size: 14px;
  letter-spacing: 0.18em;
  color: var(--text);
  text-decoration: none;
  margin: 0 20px;
  text-transform: lowercase;
  transition: color 0.2s;
}

nav a:hover { color: var(--accent); }
nav a.active { color: var(--accent); border-bottom: 1px solid var(--accent); padding-bottom: 2px; }

/* ── 래퍼 ── */
.wrapper {
  position: relative;
  z-index: 1;
  width: min(1100px, 100%);
  margin: 0 auto;
  padding: clamp(40px, 6vw, 80px) clamp(20px, 5vw, 64px) 60px;
}

/* ── 페이지 헤더 ── */
.page-header {
  margin-bottom: clamp(28px, 4vw, 52px);
}

.page-title {
  font-family: 'DM Serif Display', serif;
  font-weight: 400;
  font-size: clamp(30px, 4.5vw, 56px);
  letter-spacing: 0.08em;
  color: var(--accent);
  text-transform: lowercase;
  opacity: 0.85;
}

.page-title-line {
  margin-top: 12px;
  width: 100%;
  height: 1px;
  background: var(--border);
}

/* ── 콘텐츠 영역 ── */
.content-area {
  display: flex;
  flex-direction: column;
  gap: clamp(28px, 3.5vw, 50px);
}

.about .content-area {
  gap: clamp(36px, 4.5vw, 60px);
}

/* ── 블록 ── */
.block {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.block-label {
  font-family: 'DM Sans', sans-serif;
  font-weight: 300;
  font-size: clamp(11px, 1vw, 13px);
  letter-spacing: 0.22em;
  color: var(--accent);
  text-transform: lowercase;
}

.block-body {
  font-size: clamp(14px, 1.3vw, 16px);
  line-height: 2;
  color: var(--text);
}

.block-body a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s;
}

.block-body a:hover { color: var(--text); }

.block-note {
  font-size: clamp(11px, 0.95vw, 13px);
  color: var(--accent2);
  letter-spacing: 0.05em;
  margin-top: 6px;
}

/* ── 카드 그리드 (works) ── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(clamp(140px, 18vw, 220px), 1fr));
  gap: clamp(12px, 2vw, 24px);
}

.card {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.card img {
  width: 100%;
  display: block;
  border: 1px solid var(--border);
  transition: opacity 0.2s;
}

.card img:hover { opacity: 0.85; }

.card-title {
  font-size: clamp(13px, 1.1vw, 15px);
  color: var(--text);
  letter-spacing: 0.05em;
}

.card-sub {
  font-size: clamp(11px, 0.95vw, 13px);
  color: var(--accent2);
}

/* ── 배너 그리드 (link) ── */
.banner-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.banner-grid a img,
.banner-grid img {
  display: block;
  height: 31px;
  border: 1px solid var(--border);
  transition: opacity 0.2s;
}

.banner-grid a img:hover { opacity: 0.75; }

/* ── 구분선 ── */
hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 0;
}

/* ── 푸터 ── */
footer {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 40px 20px;
  font-size: 11px;
  color: var(--accent2);
  letter-spacing: 0.08em;
  line-height: 2;
}

/* ── 반응형 ── */
@media (max-width: 520px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); }
}