/* ═══════════════════════════════════════════════════════════
   고침터 (바닥 마루 보수) — 구조/디자인 설정 기록
   Primary 컬러: 파스텔 스틸블루 #A0C4D8 (10종 중 랜덤 선정)
   Hero 타입: hero-split (좌우분할형)
   섹션순서: 패턴 A — 신뢰 우선형 (고객후기 섹션은 실제 후기 데이터 부재로 보류)
   그리드: grid-3 (PC 3열 / 태블릿 2열 / 모바일 1열)
   레이블: label-number (숫자라인형, 예: "01 — Portfolio")
   버튼: btn-square (border-radius 6px, 신뢰·전문성 강조)
   ═══════════════════════════════════════════════════════════ */

:root {
  --primary: #A0C4D8;
  --primary-dark: #7EA8C2;
  --text: #23272b;
  --text-muted: #6b7280;
  --border: #e5e7eb;
  --bg-soft: #f7f8fa;
  --card-radius: 1.25rem;
  --btn-radius: 6px;
}

* { word-break: keep-all; }

body {
  font-family: 'Pretendard', 'Noto Sans KR', system-ui, -apple-system, sans-serif;
  color: var(--text);
  font-weight: 400;
}

h1, h2, h3 { font-weight: 800; }
p, li { font-weight: 300; }

/* ── 섹션 레이블 (H-4: label-number) ─────────────────────── */
.section-label {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--primary-dark);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}
.section-label::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border);
  margin-left: 0.5rem;
}

/* ── 버튼 (H-5: btn-square) ──────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  border-radius: var(--btn-radius);
  padding: 0.85rem 1.75rem;
  background: var(--primary);
  color: #12313f;
  font-weight: 700;
  transition: all 0.25s ease;
  text-decoration: none;
}
.btn-primary:hover { background: var(--primary-dark); color: #fff; }

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  border-radius: var(--btn-radius);
  padding: 0.85rem 1.75rem;
  background: transparent;
  border: 1.5px solid var(--border);
  color: var(--text);
  font-weight: 700;
  transition: all 0.25s ease;
  text-decoration: none;
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary-dark); }

.link-more {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.25s ease;
}
.link-more:hover { color: var(--primary-dark); }

/* ── Header ───────────────────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  background: rgba(255,255,255,0.78);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(229,231,235,0.7);
}
.site-header .logo { font-weight: 800; font-size: 1.25rem; color: var(--text); text-decoration: none; }
.site-header nav a { color: var(--text); font-weight: 500; font-size: 0.95rem; text-decoration: none; }
.site-header nav a:hover { color: var(--primary-dark); }

/* ── Hero (hero-split) ───────────────────────────────────── */
.hero-split { padding-top: 6.5rem; }
.hero-split .hero-slider img { border-radius: var(--card-radius); }

/* ── Portfolio grid (H-3: grid-3) ────────────────────────── */
.portfolio-section { max-width: 1200px; margin: 0 auto; padding: 0 1rem; }
.portfolio-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
@media (max-width: 1024px) { .portfolio-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .portfolio-grid { grid-template-columns: 1fr; } }

.portfolio-card {
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  overflow: hidden;
  transition: all 0.3s ease;
  cursor: pointer;
  text-decoration: none;
  display: block;
  background: #fff;
}
.portfolio-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.14);
  border-color: var(--primary);
}
.portfolio-card .card-thumb { aspect-ratio: 4/3; overflow: hidden; }
.portfolio-card .card-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.portfolio-card:hover .card-thumb img { transform: scale(1.05); }
.portfolio-card .card-body { padding: 1.25rem; display: flex; flex-direction: column; gap: 0.5rem; }
.card-badge {
  font-size: 0.65rem; font-weight: 700; letter-spacing: 0.08em;
  background: var(--primary); color: #12313f; display: inline-block;
  padding: 0.2rem 0.6rem; border-radius: 0.25rem; align-self: flex-start;
}
.card-title { font-weight: 800; font-size: 1rem; line-height: 1.4; color: var(--text); }
.card-sub { font-weight: 300; font-size: 0.875rem; color: var(--text-muted); }
.card-more { font-size: 0.875rem; font-weight: 600; color: var(--text-muted); margin-top: 0.25rem; transition: color 0.3s ease; }
.portfolio-card:hover .card-more { color: var(--primary-dark); }

/* ── 서비스 소개 ─────────────────────────────────────────── */
.service-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1rem; }
@media (max-width: 1024px) { .service-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 640px) { .service-grid { grid-template-columns: repeat(2, 1fr); } }
.service-card { border: 1px solid var(--border); border-radius: var(--card-radius); overflow: hidden; background: #fff; transition: all 0.25s ease; text-decoration: none; display: block; }
.service-card:hover { border-color: var(--primary); box-shadow: 0 10px 28px rgba(0,0,0,0.1); }
.service-card .thumb { aspect-ratio: 3/4; overflow: hidden; }
.service-card .thumb img { width: 100%; height: 100%; object-fit: cover; }
.service-card .body { padding: 1rem; }
.service-card .eyebrow { font-size: 0.65rem; font-weight: 700; letter-spacing: 0.08em; color: var(--primary-dark); text-transform: uppercase; }
.service-card h3 { font-size: 0.95rem; margin-top: 0.25rem; }
.service-card p { font-size: 0.8rem; color: var(--text-muted); margin-top: 0.25rem; }

/* ── 프로세스 ───────────────────────────────────────────── */
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
@media (max-width: 768px) { .process-grid { grid-template-columns: 1fr; } }
.process-step { text-align: left; }
.process-step .num { font-size: 1.75rem; font-weight: 800; color: var(--primary-dark); }

/* ── FAQ ────────────────────────────────────────────────── */
.faq-item { border-bottom: 1px solid var(--border); }
.faq-q { width: 100%; text-align: left; padding: 1.25rem 0; display: flex; justify-content: space-between; align-items: center; background: none; border: none; cursor: pointer; font-weight: 700; font-size: 1rem; color: var(--text); }
.faq-q .icon { transition: transform 0.25s ease; flex-shrink: 0; margin-left: 1rem; }
.faq-item.open .faq-q .icon { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
.faq-a p { padding: 0 0 1.25rem 0; color: var(--text-muted); font-size: 0.925rem; line-height: 1.7; }

/* ── CTA ────────────────────────────────────────────────── */
.cta-section { background: var(--bg-soft); }
.trust-badge { display: flex; align-items: center; gap: 0.5rem; font-size: 0.875rem; font-weight: 600; color: var(--text); }

/* ── Footer ─────────────────────────────────────────────── */
.site-footer { background: #1c2024; color: #a3aab2; }
.site-footer a { color: #cdd2d8; text-decoration: none; }
.site-footer a:hover { color: #fff; }
.site-footer h4 { color: #fff; font-weight: 700; font-size: 0.95rem; margin-bottom: 0.75rem; }

/* ── Floating buttons ───────────────────────────────────── */
.floating-wrap { position: fixed; right: 1.25rem; bottom: 1.25rem; z-index: 50; display: flex; flex-direction: column; gap: 0.6rem; }
.floating-btn { display: flex; align-items: center; gap: 0.5rem; padding: 0.75rem 1.1rem; border-radius: var(--btn-radius); font-weight: 700; font-size: 0.875rem; text-decoration: none; box-shadow: 0 8px 24px rgba(0,0,0,0.18); }
.floating-btn.call { background: var(--primary); color: #12313f; }
.floating-btn.sms { background: #ffffff; color: var(--text); border: 1.5px solid var(--border); }

/* ── 시공 정보 요약 바 (상세페이지) ─────────────────────── */
.info-bar { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: var(--card-radius); overflow: hidden; }
@media (max-width: 640px) { .info-bar { grid-template-columns: repeat(2, 1fr); } }
.info-bar .cell { background: #fff; padding: 1.25rem; }
.info-bar .cell .label { font-size: 0.7rem; color: var(--text-muted); font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase; }
.info-bar .cell .value { font-size: 1rem; font-weight: 800; margin-top: 0.25rem; }

/* ── BEFORE/AFTER ───────────────────────────────────────── */
.ba-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
@media (max-width: 640px) { .ba-grid { grid-template-columns: 1fr; } }
.ba-grid img { border-radius: var(--card-radius); width: 100%; aspect-ratio: 3/4; object-fit: cover; }

/* ── 인용구 ─────────────────────────────────────────────── */
.quote-block { border-left: 4px solid var(--primary); padding: 1.25rem 1.5rem; background: var(--bg-soft); border-radius: 0 var(--card-radius) var(--card-radius) 0; }