/*
  구조 설정 기록 (수정 금지 아님 — 참고용 주석)
  H-1 Hero 타입: hero-photo (사진 오버레이형, 대각선 클립)
  H-2 섹션 순서: 패턴1 (Hero -> 포트폴리오+배너 -> 서비스+갤러리)
  H-3 카드 그리드: grid-3 + 지그재그/메이슨리 변형
  H-4 섹션 레이블: 형광펜 하이라이트형
  H-5 버튼 형태: 커트코너형(모서리 컷) / 언더라인형
  Primary 컬러: 올리브 #6E7D3E
*/

:root {
  --primary: #6E7D3E;
  --primary-dark: #535F2C;
  --primary-light: #F0F1E3;
  --text: #1F2937;
  --text-muted: #6B7280;
  --border: #E4E4E7;
  --bg: #FFFFFF;
  --bg-soft: #F7F9F9;
  --card-radius: 0.3rem 1.6rem 0.3rem 1.6rem;
  --btn-radius: 0.35rem;
  --max-width: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 108%; }
body {
  margin: 0;
  font-family: "Paperlogy", "Pretendard Variable", -apple-system, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { font-weight: 800; line-height: 1.35; margin: 0; }
p { margin: 0; }
img { max-width: 100%; display: block; }
a { color: inherit; }
.wrap { max-width: var(--max-width); margin: 0 auto; padding: 0 1.25rem; }
section { padding: 4.5rem 0; }
@media (max-width: 640px) { section { padding: 3rem 0; } }

.label-badge {
  display: inline-block;
  font-family: "Pretendard Variable", sans-serif;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary-dark);
  background-image: linear-gradient(transparent 58%, var(--primary-light) 58%);
  padding: 0.05rem 0.15rem;
  margin-bottom: 1rem;
}

.section-head { margin-bottom: 2.5rem; }
.section-head h2 { font-size: clamp(1.5rem, 3.4vw, 2.1rem); }
.section-head .sub { margin-top: 0.6rem; color: var(--text-muted); font-size: 0.98rem; }

/* 버튼 - 커트코너형 / 언더라인형 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.85rem 1.7rem;
  font-weight: 800;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
  transition: all .2s;
}
.btn-primary {
  background: var(--primary); color: #fff; border: none;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 14px 100%, 0 calc(100% - 14px));
}
.btn-primary:hover { background: var(--primary-dark); }
.btn-outline {
  background: transparent; color: var(--primary-dark);
  padding-left: 0.2rem; padding-right: 0.2rem;
  border: none; border-bottom: 2px solid var(--primary);
  border-radius: 0;
}
.btn-outline:hover { color: var(--primary-dark); border-bottom-color: var(--primary-dark); background: none; }
.btn-sm { padding: 0.55rem 1.1rem; font-size: 0.85rem; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.92); backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--border);
}
.site-header .inner { display: flex; align-items: center; justify-content: space-between; padding: 0.9rem 1.25rem; max-width: var(--max-width); margin: 0 auto; }
.site-header .logo { font-weight: 800; font-size: 1.15rem; text-decoration: none; color: var(--text); }
.site-header nav { display: flex; gap: 1.5rem; }
.site-header nav a { font-size: 0.92rem; font-weight: 600; text-decoration: none; color: var(--text); }
.site-header nav a:hover { color: var(--primary-dark); }
.header-actions { display: flex; align-items: center; gap: 1rem; }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; }
@media (max-width: 860px) {
  .site-header nav { display: none; }
  .nav-toggle { display: block; }
}

/* Hero - 사진 오버레이형 */
.hero-photo-section {
  position: relative; min-height: 82vh; display: flex; align-items: center; overflow: hidden;
}
@media (max-width: 640px) { .hero-photo-section { min-height: 64vh; } }
.hero-photo-bg { position: absolute; inset: 0; z-index: 0; }
.hero-photo-bg img { width: 100%; height: 100%; object-fit: cover; filter: saturate(1.08); }
.hero-photo-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(105deg, rgba(17,26,24,.88) 0%, rgba(17,26,24,.62) 42%, rgba(17,26,24,.15) 75%);
}
.hero-photo-content { position: relative; z-index: 1; max-width: 620px; padding-top: 6rem; padding-bottom: 5rem; color: #fff; }
.hero-photo-content .label-badge { color: #fff; background-image: linear-gradient(transparent 58%, rgba(255,255,255,.28) 58%); }
.hero-photo-content h1 { font-size: clamp(2.1rem, 4.8vw, 3.1rem); color: #fff; }
.hero-photo-content .sub { margin-top: 1.1rem; font-size: 1.05rem; color: rgba(255,255,255,.86); }
.hero-photo-content .cta-row { margin-top: 2.2rem; display: flex; gap: 0.8rem; flex-wrap: wrap; }
.hero-photo-content .btn-outline { color: #fff; border-bottom-color: rgba(255,255,255,.7); }
.hero-photo-content .btn-outline:hover { border-bottom-color: #fff; }

/* Hero 하단 정보 띠 */
.hero-info-strip {
  position: relative; z-index: 2; margin-top: -3rem;
  background: #fff; border-radius: var(--card-radius);
  box-shadow: 0 16px 40px rgba(0,0,0,.12);
  display: flex; flex-wrap: wrap; gap: 1.6rem;
  padding: 1.5rem 1.9rem;
}
.hero-info-strip .item { flex: 1 1 180px; }
.hero-info-strip .item .k { display: block; font-size: 0.76rem; color: var(--text-muted); }
.hero-info-strip .item .v { display: block; font-size: 1.02rem; font-weight: 700; margin-top: 0.3rem; }
@media (max-width: 640px) { .hero-info-strip { margin-top: -2rem; gap: 1.1rem; padding: 1.3rem 1.4rem; } }

/* 중간 배너 */
.mid-banner {
  background: var(--primary);
  color: #fff;
  padding: 2.6rem 0;
  text-align: center;
}
.mid-banner h3 { font-size: clamp(1.2rem, 2.6vw, 1.6rem); }
.mid-banner .sub { margin-top: 0.5rem; opacity: 0.92; }
.mid-banner .btn-primary { background: #fff; color: var(--primary-dark); margin-top: 1.3rem; }
.mid-banner .btn-primary:hover { background: var(--primary-light); }

/* 포트폴리오 카드 그리드 (지그재그 배치 + 코너 리본) */
.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 { position: relative; border: 1px solid var(--border); border-radius: var(--card-radius); overflow: hidden; transition: all .3s; cursor: pointer; text-decoration: none; display: block; background: #fff; }
.portfolio-card:hover { transform: translateY(-6px); box-shadow: 0 16px 40px rgba(0,0,0,.14); border-color: var(--primary); }
.portfolio-card::before {
  content: ""; position: absolute; top: 0; left: 0; z-index: 1;
  border-style: solid; border-width: 26px 26px 0 0; border-color: var(--primary) transparent transparent transparent;
  opacity: .92;
}
.portfolio-card img { width: 100%; aspect-ratio: 4/3; object-fit: cover; filter: saturate(1.12) contrast(1.04); }
.portfolio-card .body { padding: 1.1rem 1.2rem 1.3rem; }
.portfolio-card .loc { font-size: 0.78rem; color: var(--primary-dark); font-weight: 700; }
.portfolio-card h3 { font-size: 1.05rem; margin-top: 0.4rem; }
.portfolio-card .meta { margin-top: 0.6rem; font-size: 0.82rem; color: var(--text-muted); }
@media (min-width: 641px) {
  .portfolio-grid .portfolio-card:nth-child(2) { margin-top: 2.4rem; }
  .portfolio-grid .portfolio-card:nth-child(3) { margin-top: -1rem; }
  .portfolio-grid .portfolio-card:nth-child(5) { margin-top: 2.4rem; }
  .portfolio-grid .portfolio-card:nth-child(6) { margin-top: -1rem; }
}

/* 서비스 - 좌우 지그재그 행 배치 */
.service-grid { display: flex; flex-direction: column; gap: 1.4rem; }
.service-card {
  display: flex; flex-wrap: wrap; align-items: stretch;
  border: 1px solid var(--border); border-radius: var(--card-radius); overflow: hidden;
  text-decoration: none; color: var(--text); background: #fff; transition: all .25s;
}
.service-card:hover { border-color: var(--primary); box-shadow: 0 12px 30px rgba(0,0,0,.1); }
.service-card:nth-child(even) { flex-direction: row-reverse; }
.service-card .thumb { flex: 1 1 280px; min-width: 240px; overflow: hidden; }
.service-card .thumb img { width: 100%; height: 100%; object-fit: cover; filter: saturate(1.12) contrast(1.04); }
.service-card .body { flex: 1 1 320px; padding: 1.6rem 1.8rem; display: flex; flex-direction: column; justify-content: center; }
.service-card .eng { font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--primary-dark); font-weight: 700; }
.service-card h3 { font-size: 1.15rem; margin-top: 0.35rem; }
.service-card .desc { margin-top: 0.5rem; font-size: 0.9rem; color: var(--text-muted); }
.service-card .more { margin-top: 0.8rem; font-size: 0.85rem; font-weight: 700; color: var(--primary-dark); }
@media (max-width: 640px) { .service-card, .service-card:nth-child(even) { flex-direction: column; } }

/* 이미지 캡션 갤러리 - 메이슨리형 */
.gallery-grid { columns: 4 180px; column-gap: 1rem; padding: 0; margin: 0; }
@media (max-width: 1024px) { .gallery-grid { columns: 3 160px; } }
@media (max-width: 640px) {
  .gallery-grid { columns: 2 140px; }
}
.gallery-card { list-style: none; break-inside: avoid; margin-bottom: 1rem; }
.gallery-card img { width: 100%; aspect-ratio: 3/4; object-fit: cover; border-radius: var(--card-radius); filter: saturate(1.12) contrast(1.04); }
.gallery-card:nth-child(3n+1) img { aspect-ratio: 1/1; }
.gallery-card:nth-child(3n+2) img { aspect-ratio: 4/5; }
.gallery-card figcaption { margin-top: 0.5rem; text-align: center; font-size: 0.85rem; font-weight: 600; }

/* 프로세스 */
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
@media (max-width: 860px) { .process-grid { grid-template-columns: repeat(2, 1fr); } }
.process-step .num { font-size: 1.6rem; font-weight: 800; color: var(--primary); }
.process-step h3 { margin-top: 0.6rem; font-size: 1rem; }
.process-step p { margin-top: 0.4rem; font-size: 0.86rem; color: var(--text-muted); }

/* STATEMENT / TRUST / INDEX / EXPERTISE / GUIDE (H-7) */
.statement-section { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }
@media (max-width: 768px) { .statement-section { grid-template-columns: 1fr; } }
.statement-headline { font-size: clamp(1.5rem, 4vw, 2.25rem); font-weight: 800; line-height: 1.5; white-space: pre-line; }
.statement-section .desc { margin-top: 1.1rem; color: var(--text-muted); }
.statement-section figure { margin: 0; }
.statement-section figure img { border-radius: var(--card-radius); aspect-ratio: 4/3; object-fit: cover; }
.statement-section figcaption { margin-top: 0.6rem; font-size: 0.82rem; color: var(--text-muted); text-align: center; }

.trust-table { width: 100%; border-collapse: collapse; margin-top: 1.5rem; }
.trust-table th, .trust-table td { padding: .75rem 1rem; border-bottom: 1px solid var(--border); text-align: left; }
.trust-table th { width: 30%; color: var(--text-muted); font-weight: 600; }

.index-list { display: flex; flex-direction: column; gap: 0; margin-top: 1.5rem; }
.index-item { display: flex; align-items: center; gap: 1rem; padding: 1rem 0; border-bottom: 1px solid var(--border); text-decoration: none; color: var(--text); }
.index-item:hover .index-title { color: var(--primary-dark); }
.index-item .num { font-size: .75rem; color: var(--text-muted); width: 1.6rem; flex-shrink: 0; }
.index-item .label { font-size: .68rem; color: var(--primary-dark); font-weight: 700; display: block; }
.index-item .index-title { font-weight: 700; margin-top: 0.15rem; }
.index-item .thumb { width: 64px; height: 64px; object-fit: cover; border-radius: 0.3rem 0.9rem 0.3rem 0.9rem; flex-shrink: 0; }
.index-item .arrow { margin-left: auto; color: var(--text-muted); }

.expertise-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; margin-top: 1.5rem; }
@media (max-width: 768px) { .expertise-grid { grid-template-columns: repeat(2, 1fr); } }
.expertise-card { padding: 1.4rem; border: 1px solid var(--border); border-radius: var(--card-radius); }
.expertise-card .segment { font-size: .7rem; color: var(--primary-dark); font-weight: 700; letter-spacing: .05em; }
.expertise-card h3 { margin-top: 0.5rem; font-size: 1rem; }
.expertise-card p { margin-top: 0.5rem; font-size: 0.86rem; color: var(--text-muted); }

.guide-list { display: flex; flex-direction: column; gap: 1rem; margin-top: 1.5rem; }
.guide-item { display: flex; gap: 1rem; text-decoration: none; color: var(--text); padding: 1.1rem 1.2rem; border: 1px solid var(--border); border-radius: var(--card-radius); }
.guide-item:hover { border-color: var(--primary); }
.guide-item .num { font-weight: 800; color: var(--primary); font-size: 1.1rem; flex-shrink: 0; }
.guide-item h3 { font-size: 1rem; }
.guide-item p { margin-top: 0.35rem; font-size: 0.86rem; color: var(--text-muted); }

.info-block-list { display: flex; flex-direction: column; gap: 1.4rem; margin-top: 0.5rem; }
.info-block { background: #fff; border: 1px solid var(--border); border-radius: var(--card-radius); padding: 1.9rem 2.1rem; }
.info-block h2 { font-size: 1.25rem; }
.info-block p { margin-top: 0.8rem; color: var(--text-muted); }
@media (max-width: 640px) { .info-block { padding: 1.5rem 1.6rem; } }

/* 회사소개 */
.about-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }
@media (max-width: 860px) { .about-layout { grid-template-columns: 1fr; } }
.about-layout img { border-radius: var(--card-radius); aspect-ratio: 4/3; object-fit: cover; }
.eeat-list { margin-top: 1.3rem; display: flex; flex-direction: column; gap: 0.7rem; }
.eeat-list li { list-style: none; display: flex; gap: 0.6rem; font-size: 0.92rem; }

/* 고객후기 */
.review-scroller { display: flex; gap: 1.25rem; overflow-x: auto; padding-bottom: 0.5rem; }
.review-card { flex: 0 0 320px; border: 1px solid var(--border); border-radius: var(--card-radius); padding: 1.4rem; background: #fff; }
.review-card .stars { color: #F5A623; font-size: 0.95rem; letter-spacing: 0.1em; }
.review-card .text { margin-top: 0.8rem; font-size: 0.92rem; color: var(--text); }
.review-card .who { margin-top: 1.1rem; display: flex; align-items: center; gap: 0.6rem; }
.review-card .avatar { width: 34px; height: 34px; border-radius: 50%; background: var(--primary-light); color: var(--primary-dark); font-weight: 800; display: flex; align-items: center; justify-content: center; font-size: 0.85rem; }
.review-card .name { font-size: 0.85rem; font-weight: 700; }
.review-card .region { font-size: 0.78rem; color: var(--text-muted); }

/* 서비스 지역 */
.region-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
@media (max-width: 640px) { .region-grid { grid-template-columns: 1fr; } }
.region-card { border: 1px solid var(--border); border-radius: var(--card-radius); padding: 1.6rem; text-align: center; }
.region-card h3 { font-size: 1.1rem; }
.region-card p { margin-top: 0.5rem; font-size: 0.85rem; color: var(--text-muted); }

/* FAQ */
.faq-list { display: flex; flex-direction: column; gap: 0.75rem; }
.faq-item { border: 1px solid var(--border); border-radius: var(--card-radius); overflow: hidden; }
.faq-item summary { list-style: none; cursor: pointer; padding: 1.1rem 1.3rem; font-weight: 700; display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item .a { padding: 0 1.3rem 1.2rem; color: var(--text-muted); font-size: 0.92rem; }
.faq-item summary .chev { transition: transform .2s; flex-shrink: 0; }
.faq-item[open] summary .chev { transform: rotate(180deg); }

/* CTA - 미니멀 (다크 톤으로 대비) */
.cta-minimal { background: #1B2523; color: #fff; text-align: center; padding: 4.5rem 0; }
.cta-minimal h2 { font-size: clamp(1.5rem, 3.4vw, 2.1rem); color: #fff; }
.cta-minimal .sub { margin-top: 0.7rem; color: #B9C3C1; }
.cta-minimal .btn { margin-top: 1.8rem; }
.cta-minimal .btn-outline { color: #fff; border-bottom-color: var(--primary); }
.cta-minimal .btn-outline:hover { border-bottom-color: #fff; }

/* Footer */
.site-footer { background: #1B2523; color: #E5E7E6; padding: 3.5rem 0 2rem; }
.footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr 1fr 1fr; gap: 2rem; }
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } }
.site-footer h4 { font-size: 0.74rem; text-transform: uppercase; letter-spacing: 0.08em; color: #9CA8A6; margin-bottom: 0.9rem; }
.site-footer .brand-name { font-size: 1rem; font-weight: 800; color: #fff; }
.site-footer p, .site-footer li, .site-footer a { font-size: 0.78rem; color: #C7CFCD; }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 0.55rem; }
.site-footer a { text-decoration: none; }
.site-footer a:hover { color: #fff; }
.footer-bottom { margin-top: 2.5rem; padding-top: 1.5rem; border-top: 1px solid #33403D; font-size: 0.7rem; color: #8B9694; }

/* Floating */
.floating-actions { position: fixed; right: 1.2rem; bottom: 1.2rem; z-index: 60; display: flex; flex-direction: column; gap: 0.6rem; }
.floating-actions a { display: flex; align-items: center; gap: 0.5rem; padding: 0.8rem 1.1rem; border-radius: var(--btn-radius); font-weight: 700; font-size: 0.88rem; text-decoration: none; box-shadow: 0 10px 25px rgba(0,0,0,.18); }
.floating-actions .fa-call { background: var(--primary); color: #fff; }
.floating-actions .fa-sms { background: #fff; color: var(--primary-dark); border: 1.5px solid var(--primary); }

/* 시공사례 상세 */
.detail-hero { background: var(--bg-soft); padding: 3rem 0; }
.detail-hero .cta-row { display: flex; gap: 0.8rem; flex-wrap: wrap; }
.detail-hero-photo { position: relative; overflow: hidden; min-height: 420px; display: flex; align-items: flex-end; padding: 0; }
.detail-hero-bg { position: absolute; inset: 0; z-index: 0; }
.detail-hero-bg img { width: 100%; height: 100%; object-fit: cover; filter: saturate(1.08); }
.detail-hero-overlay { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(17,26,24,.35) 0%, rgba(17,26,24,.85) 100%); }
.detail-hero-photo .wrap { position: relative; z-index: 1; padding-top: 3.5rem; padding-bottom: 3.4rem; color: #fff; }
.detail-hero-photo .breadcrumb, .detail-hero-photo .breadcrumb a { color: rgba(255,255,255,.75); }
.detail-hero-photo .breadcrumb a:hover { color: #fff; }
.detail-hero-photo .breadcrumb { margin-bottom: 1.2rem; }
.detail-hero-photo .label-badge { color: #fff; background-image: linear-gradient(transparent 58%, rgba(255,255,255,.28) 58%); margin-bottom: 1.1rem; }
.detail-hero-photo h1 { color: #fff; margin-top: 0.6rem; font-size: clamp(1.9rem, 4.2vw, 2.7rem); }
.detail-hero-photo .cta-row { margin-top: 2rem; }
.detail-summary-bar { display: flex; flex-wrap: wrap; gap: 1.8rem; border-radius: var(--card-radius); padding: 1.6rem 1.8rem; margin-top: -2.5rem; background: #fff; position: relative; box-shadow: 0 16px 40px rgba(0,0,0,.12); }
.detail-summary-bar .item .k { font-size: 0.8rem; color: var(--text-muted); }
.detail-summary-bar .item .v { display: block; font-size: 1.05rem; font-weight: 700; margin-top: 0.35rem; }
.ba-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
@media (max-width: 640px) { .ba-grid { grid-template-columns: 1fr; } }
.ba-col h4 { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 0.7rem; }
.ba-col img { border-radius: var(--card-radius); aspect-ratio: 3/4; object-fit: cover; margin-bottom: 0.8rem; }
.tech-note { background: var(--primary-light); border-radius: var(--card-radius); padding: 1.5rem 1.7rem; }
.related-links { display: flex; flex-wrap: wrap; gap: 0.7rem; }
.related-links a { border: 1px solid var(--border); border-radius: var(--btn-radius); padding: 0.5rem 1.1rem; font-size: 0.85rem; text-decoration: none; }
.related-links a:hover { border-color: var(--primary); color: var(--primary-dark); }

/* Breadcrumb */
.breadcrumb { font-size: 0.82rem; color: var(--text-muted); margin-bottom: 1rem; }
.breadcrumb a { text-decoration: none; color: var(--text-muted); }
.breadcrumb a:hover { color: var(--primary-dark); }