/* ============================================
   GHM Gallery 공통 스타일
   - GHM 톤 (테라코타 + 베이지 + 세이지)
   - good-ghm-site 스킬의 디자인 결정 그대로 적용
   ============================================ */

:root {
  --terra: #b5622a;
  --terra-d: #8f4418;
  --terra-l: #c8784a;
  --terra-pale: #fdf0e8;
  --brown: #6b4c35;
  --text: #2a2018;
  --text2: #5a4a38;
  --text3: #9a8a78;
  --bg: #ffffff;
  --bg2: #faf8f5;
  --bg3: #f5f1eb;
  --border: #e8e0d4;
  --sage: #7a8a5f;
  --sage-d: #5c6b48;
  --sage-pale: #eef2e8;
  --footer-bg: #ede4d5;
  --footer-bg2: #e0d4c0;
  --footer-text: #5a4a38;
  --footer-link: #6b4c35;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Noto Sans KR', sans-serif;
  font-weight: 400;
  background: var(--bg2);
  color: var(--text);
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* 상단 컬러 액센트 바 (테라코타 → 세이지 → 테라코타) */
.accent-bar {
  height: 4px;
  background: linear-gradient(90deg, var(--terra) 0%, var(--sage) 50%, var(--terra) 100%);
}

/* ===== 헤더 ===== */
.header {
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-family: 'Noto Serif KR', serif;
  font-weight: 700;
  font-size: 24px;
  color: var(--terra);
  letter-spacing: 0.06em;
  text-decoration: none;
  line-height: 1.1;
}
.logo-sub {
  display: block;
  font-family: 'Noto Sans KR', sans-serif;
  font-size: 10px;
  font-weight: 400;
  color: var(--text3);
  letter-spacing: 0.04em;
  margin-top: 2px;
}
.back-link {
  font-size: 14px;
  color: var(--text2);
  text-decoration: none;
  padding: 8px 16px;
  border-radius: 20px;
  transition: all 0.2s;
}
.back-link:hover {
  background: var(--terra-pale);
  color: var(--terra-d);
}

/* ===== 페이지 제목 영역 ===== */
.page-head {
  text-align: center;
  padding: 64px 24px 40px;
  background: var(--bg2);
}
.page-head h1 {
  font-family: 'Noto Serif KR', serif;
  font-weight: 700;
  font-size: 38px;
  color: var(--text);
  margin-bottom: 12px;
}
.page-head .subtitle {
  font-family: 'Noto Serif KR', serif;
  font-style: italic;
  font-size: 16px;
  color: var(--brown);
  font-weight: 400;
}
.page-head .desc {
  margin-top: 18px;
  font-size: 15px;
  color: var(--text2);
  max-width: 540px;
  margin-left: auto;
  margin-right: auto;
  word-break: keep-all;
}

/* ===== 메인 콘텐츠 영역 ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 24px 80px;
  flex: 1;
}

/* ===== 카테고리 카드 (입구 페이지용) ===== */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 16px;
}
.cat-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 36px 28px;
  text-decoration: none;
  color: var(--text);
  transition: all 0.25s;
  display: block;
}
.cat-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(181, 98, 42, 0.12);
  border-color: var(--terra-l);
}
.cat-card .icon {
  font-size: 40px;
  margin-bottom: 16px;
  display: block;
}
.cat-card h3 {
  font-family: 'Noto Serif KR', serif;
  font-weight: 600;
  font-size: 22px;
  color: var(--text);
  margin-bottom: 8px;
}
.cat-card .meta {
  font-size: 13px;
  color: var(--text3);
  margin-bottom: 12px;
}
.cat-card p {
  font-size: 14px;
  color: var(--text2);
  line-height: 1.6;
  word-break: keep-all;
}

/* ===== 사진 그리드 (실제 사진 페이지용) ===== */
.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 14px;
}
.photo-item {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: 14px;
  overflow: hidden;
  background: var(--bg3);
  cursor: pointer;
  transition: transform 0.25s;
}
.photo-item:hover {
  transform: scale(1.02);
}
.photo-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.photo-item .caption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 16px 14px 12px;
  background: linear-gradient(to top, rgba(42, 32, 24, 0.75), transparent);
  color: #fff;
  font-size: 13px;
  font-weight: 500;
  opacity: 0;
  transition: opacity 0.2s;
}
.photo-item:hover .caption {
  opacity: 1;
}

/* 사진 없을 때 안내 */
.empty-state {
  text-align: center;
  padding: 80px 24px;
  background: var(--bg);
  border: 1px dashed var(--border);
  border-radius: 18px;
}
.empty-state .icon {
  font-size: 48px;
  margin-bottom: 16px;
  opacity: 0.5;
}
.empty-state p {
  color: var(--text2);
  font-size: 15px;
  word-break: keep-all;
}

/* ===== 섹션 헤더 ===== */
.section-head {
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}
.section-head h2 {
  font-family: 'Noto Serif KR', serif;
  font-weight: 600;
  font-size: 24px;
  color: var(--text);
  margin-bottom: 6px;
}
.section-head .info {
  font-size: 14px;
  color: var(--text3);
}

/* ===== 푸터 ===== */
.footer {
  background: linear-gradient(180deg, var(--footer-bg) 0%, var(--footer-bg2) 100%);
  color: var(--footer-text);
  padding: 40px 24px 24px;
  margin-top: 60px;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}
.footer .links {
  margin-bottom: 20px;
  font-size: 14px;
}
.footer .links a {
  color: var(--footer-link);
  text-decoration: none;
  margin: 0 12px;
  font-weight: 500;
}
.footer .links a:hover {
  color: var(--terra);
}
.footer .copy {
  font-size: 12px;
  color: var(--text3);
  border-top: 1px solid rgba(107, 76, 53, 0.15);
  padding-top: 16px;
}

/* ===== 모바일 ===== */
@media (max-width: 640px) {
  .page-head { padding: 48px 20px 32px; }
  .page-head h1 { font-size: 30px; }
  .container { padding: 32px 20px 60px; }
  .cat-card { padding: 28px 22px; }
  .photo-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 10px; }
  .header-inner { padding: 14px 20px; }
}