/* Hero: hero-overlay / 배치: 패턴1(Hero→포트폴리오+배너→서비스) / 그리드: grid-3 / 레이블: label-badge / 버튼: btn-pill */
:root {
  --primary: #B4C7B0;
  --primary-dark: #8FA989;
  --text: #1f2421;
  --text-muted: #6b7570;
  --border: #e4e7e2;
  --bg-soft: #f6f8f5;
  --card-radius: 1.25rem;
}

* { word-break: keep-all; }
body { font-family: 'Pretendard', 'Noto Sans KR', sans-serif; color: var(--text); font-weight: 400; }
h1, h2, h3 { font-weight: 800; }

.section-label {
  display: inline-block; font-size: 0.7rem; font-weight: 700; letter-spacing: 0.1em;
  text-transform: uppercase; background: var(--primary); color: #fff; padding: 0.25rem 0.75rem; border-radius: 9999px;
}

.btn-primary {
  border-radius: 9999px; padding: 0.75rem 1.75rem; background: var(--primary); color: #fff;
  display: inline-block; font-weight: 700; transition: background 0.2s ease;
}
.btn-primary:hover { background: var(--primary-dark); }

.btn-outline {
  border-radius: 9999px; padding: 0.75rem 1.75rem; border: 1.5px solid var(--primary); color: var(--primary-dark);
  display: inline-block; font-weight: 700; transition: all 0.2s ease;
}
.btn-outline:hover { background: var(--primary); color: #fff; }

/* 실사진 확보 전 임시 자리표시자 — 실제 시공 사진 촬영/이미지서버 다운로드 후 <img>로 교체 */
.img-ph {
  display: flex; align-items: center; justify-content: center; text-align: center;
  background: linear-gradient(135deg, var(--bg-soft), #dfe6db);
  color: var(--text-muted); font-size: 0.85rem; font-weight: 600; padding: 1rem;
  width: 100%; height: 100%;
}

.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(0,0,0,0.12); border-color: var(--primary); }
.portfolio-card .card-thumb { aspect-ratio: 4/3; overflow: hidden; }
.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: #fff;
  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; }
.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; }
.portfolio-card:hover .card-more { color: var(--primary-dark); }

.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); } }

.faq-item summary { cursor: pointer; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }

header.site-header {
  position: sticky; top: 0; z-index: 50; backdrop-filter: blur(10px);
  background: rgba(255,255,255,0.85); border-bottom: 1px solid var(--border);
}