/* 보일러마트 — 테마 B 럭셔리 콜라주형 / radius 0 / 저채도 팔레트 */

:root {
  --charcoal: #2A2825;
  --warmgray: #8B8378;
  --offwhite: #F5F2ED;
  --gold: #B08D57;
  --gold-rgb: 176, 141, 87;
  --text: #2A2825;
  --text-muted: #8B8378;
  --border: #E4DFD5;
  --card-radius: 0;
  --primary: var(--gold);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Pretendard, -apple-system, BlinkMacSystemFont, "Malgun Gothic", sans-serif;
  color: var(--text);
  background: var(--offwhite);
  word-break: keep-all;
  line-height: 1.7;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { letter-spacing: 0.03em; margin: 0; }
.wrap { max-width: 1160px; margin: 0 auto; padding: 0 1.5rem; }

/* ===== Header ===== */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(245,242,237,0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 76px; gap: 1.5rem; }
.brand-mark { display: flex; flex-direction: column; line-height: 1.2; }
.brand-kr { font-size: 1.15rem; font-weight: 700; letter-spacing: 0.02em; }
.brand-en { font-size: 0.62rem; color: var(--text-muted); letter-spacing: 0.15em; text-transform: uppercase; }
.main-nav { display: flex; gap: 2rem; font-size: 0.9rem; }
.main-nav a:hover { color: var(--gold); }
.header-cta { display: flex; align-items: center; }
.mobile-nav { display: none; }

.btn { display: inline-block; padding: 0.75rem 1.6rem; font-size: 0.9rem; border: 1px solid var(--charcoal); cursor: pointer; }
.btn-underline { border: none; padding: 0.5rem 0; border-bottom: 1px solid var(--charcoal); }
.btn-underline:hover { border-color: var(--gold); color: var(--gold); }
.btn-solid { background: var(--charcoal); color: var(--offwhite); border-color: var(--charcoal); }
.btn-solid:hover { background: var(--gold); border-color: var(--gold); }

/* ===== Hero Collage (Theme B fixed) ===== */
.hero-collage { position: relative; padding: 4rem 0 3rem; overflow: hidden; }
.collage-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  grid-template-rows: repeat(4, 60px);
  gap: 10px;
  max-width: 1160px;
  margin: 0 auto;
}
.collage-grid img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(15%); }
.collage-grid a:nth-child(1) { grid-column: 1 / 3; grid-row: 1 / 3; }
.collage-grid a:nth-child(2) { grid-column: 3 / 5; grid-row: 1 / 4; }
.collage-grid a:nth-child(3) { grid-column: 5 / 7; grid-row: 1 / 3; }
.collage-grid a:nth-child(4) { grid-column: 1 / 3; grid-row: 3 / 5; }
.collage-grid a:nth-child(5) { grid-column: 3 / 5; grid-row: 4 / 5; }
.collage-grid a:nth-child(6) { grid-column: 5 / 7; grid-row: 3 / 5; }
.hero-center {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  text-align: center; background: rgba(245,242,237,0.94); padding: 2.5rem 3rem; max-width: 520px;
  border: 1px solid var(--border);
}
.hero-center .eyebrow { font-size: 0.7rem; letter-spacing: 0.25em; text-transform: uppercase; color: var(--gold); margin-bottom: 0.6rem; }
.hero-center h1 { font-size: 1.9rem; margin-bottom: 0.7rem; }
.hero-center p { color: var(--text-muted); font-size: 0.95rem; margin: 0 0 1rem; }
.hero-scroll { font-size: 0.75rem; color: var(--text-muted); letter-spacing: 0.1em; }

/* ===== Quicklinks ===== */
.quicklinks { padding: 2.5rem 0; }
.quicklinks-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--border); }
.quicklink-card { background: var(--offwhite); padding: 1.6rem 1.2rem; text-align: center; }
.quicklink-card .num { font-size: 0.7rem; color: var(--gold); letter-spacing: 0.1em; }
.quicklink-card p { font-size: 0.85rem; margin: 0.4rem 0 0; }

/* ===== Section base ===== */
section { padding: 4.5rem 0; }
.section-label { font-size: 0.72rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--gold); margin-bottom: 0.8rem; display: block; }
.section-head { max-width: 640px; margin: 0 auto 2.8rem; text-align: center; }
.section-head h2 { font-size: 1.7rem; line-height: 1.4; }
.section-head p { color: var(--text-muted); margin-top: 0.8rem; font-size: 0.95rem; }
.section-alt { background: #EFEAE1; }

/* ===== Portfolio grid ===== */
.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 .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(--gold); }
.portfolio-card .thumb { aspect-ratio: 4/3; overflow: hidden; }
.portfolio-card .thumb img { width: 100%; height: 100%; object-fit: cover; }
.portfolio-card .body { padding: 1.2rem 1.3rem; }
.portfolio-card .badge { font-size: 0.7rem; color: var(--gold); letter-spacing: 0.05em; }
.portfolio-card h3 { font-size: 1.05rem; margin: 0.4rem 0 0.3rem; }
.portfolio-card .loc { font-size: 0.82rem; color: var(--text-muted); }
.portfolio-more { text-align: center; margin-top: 2.2rem; }

/* ===== Mid banner (Theme B: consultation.php 우회) ===== */
.mid-banner { background: var(--charcoal); color: var(--offwhite); padding: 3rem 0; text-align: center; }
.mid-banner h2 { color: var(--offwhite); font-size: 1.4rem; margin-bottom: 0.6rem; }
.mid-banner p { color: #C9C3B8; margin-bottom: 1.4rem; }
.mid-banner .btn { border-color: var(--offwhite); color: var(--offwhite); }
.mid-banner .btn:hover { border-color: var(--gold); color: var(--gold); }

/* ===== Services / grid-3 ===== */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
@media (max-width: 768px) { .services-grid { grid-template-columns: 1fr; } }
.service-card { padding: 2rem 1.6rem; border: 1px solid var(--border); background: #fff; }
.service-card .num { font-size: 0.75rem; color: var(--gold); }
.service-card h3 { font-size: 1.1rem; margin: 0.6rem 0 0.6rem; }
.service-card p { color: var(--text-muted); font-size: 0.9rem; margin: 0; }

/* ===== Process ===== */
.process-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
@media (max-width: 768px) { .process-list { grid-template-columns: 1fr; } }
.process-step { text-align: left; padding-top: 1.2rem; border-top: 1px solid var(--charcoal); }
.process-step .step-num { font-size: 1.6rem; font-weight: 700; color: var(--gold); }
.process-step h3 { font-size: 1rem; margin: 0.5rem 0 0.4rem; }
.process-step p { font-size: 0.85rem; color: var(--text-muted); margin: 0; }

/* ===== Brand story about (3단) ===== */
.story-3col { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2.5rem; }
@media (max-width: 768px) { .story-3col { grid-template-columns: 1fr; } }
.story-3col .col .label-en { font-size: 0.7rem; color: var(--gold); letter-spacing: 0.1em; text-transform: uppercase; }
.story-3col .col h3 { font-size: 1.15rem; margin: 0.5rem 0 0.8rem; }
.story-3col .col p { color: var(--text-muted); font-size: 0.9rem; }
.about-facts { margin-top: 2.5rem; padding-top: 2rem; border-top: 1px solid var(--border); display: flex; gap: 2.5rem; flex-wrap: wrap; font-size: 0.9rem; }
.about-facts strong { display: block; color: var(--gold); font-size: 0.72rem; letter-spacing: 0.05em; }

/* ===== Trust counters ===== */
.trust-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; text-align: center; }
@media (max-width: 768px) { .trust-grid { grid-template-columns: 1fr; } }
.trust-item .value { font-size: 2rem; font-weight: 700; color: var(--charcoal); }
.trust-item .label { font-size: 0.85rem; color: var(--text-muted); margin-top: 0.3rem; }
.trust-list { list-style: none; padding: 0; margin: 2.5rem 0 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.8rem 2rem; }
@media (max-width: 640px) { .trust-list { grid-template-columns: 1fr; } }
.trust-list li { font-size: 0.9rem; padding-left: 1.2rem; position: relative; }
.trust-list li::before { content: "—"; position: absolute; left: 0; color: var(--gold); }

/* ===== Reviews ===== */
.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
@media (max-width: 768px) { .review-grid { grid-template-columns: 1fr; } }
.review-card { padding: 1.8rem; border: 1px solid var(--border); background: #fff; }
.review-card .stars { color: var(--gold); font-size: 0.85rem; margin-bottom: 0.7rem; }
.review-card p { font-size: 0.9rem; margin: 0 0 1rem; }
.review-card .who { font-size: 0.8rem; color: var(--text-muted); }

/* ===== Service area ===== */
.area-tags { display: flex; flex-wrap: wrap; gap: 0.6rem; justify-content: center; }
.area-tags span { border: 1px solid var(--border); padding: 0.5rem 1rem; font-size: 0.85rem; }

/* ===== Mood banner (풀블리드, 텍스트 없음) ===== */
.mood-banner { padding: 0; }
.mood-banner img { width: 100%; height: 360px; object-fit: cover; filter: grayscale(20%); }

/* ===== FAQ ===== */
.faq-list { max-width: 760px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-item summary { padding: 1.3rem 0; font-size: 1rem; font-weight: 600; cursor: pointer; list-style: none; display: flex; justify-content: space-between; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; color: var(--gold); font-size: 1.2rem; }
.faq-item[open] summary::after { content: "−"; }
.faq-item p { color: var(--text-muted); font-size: 0.9rem; padding-bottom: 1.3rem; margin: 0; }

/* ===== Minimal CTA ===== */
.minimal-cta { text-align: center; padding: 5rem 0; }
.minimal-cta .section-label { text-align: center; }
.minimal-cta blockquote { font-size: 1.4rem; line-height: 1.6; margin: 0.8rem 0 2rem; font-weight: 600; }

/* ===== Footer ===== */
.site-footer { background: var(--charcoal); color: #C9C3B8; padding: 3.5rem 0 1.5rem; margin-top: 3rem; }
.footer-inner { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 2rem; }
@media (max-width: 768px) { .footer-inner { grid-template-columns: 1fr; } }
.footer-brand .brand-kr { color: var(--offwhite); font-size: 1.1rem; font-weight: 700; }
.footer-brand .brand-en { display: block; font-size: 0.65rem; letter-spacing: 0.15em; color: var(--warmgray); margin: 0.2rem 0 0.8rem; }
.footer-brand p { font-size: 0.85rem; }
.footer-col h3 { color: var(--offwhite); font-size: 0.75rem; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 1rem; }
.footer-col a, .footer-col p { display: block; font-size: 0.85rem; margin-bottom: 0.6rem; }
.footer-col a:hover { color: var(--gold); }
.footer-legal { border-top: 1px solid #45423c; margin-top: 2.5rem; padding-top: 1.2rem; font-size: 0.78rem; color: var(--warmgray); }

/* ===== Floating ===== */
.floating-bar { position: fixed; right: 1.2rem; bottom: 1.2rem; z-index: 200; }
.floating-btn { display: flex; align-items: center; justify-content: center; background: var(--charcoal); color: var(--offwhite); padding: 0.9rem 1.4rem; font-size: 0.9rem; box-shadow: 0 8px 24px rgba(0,0,0,0.2); }
.floating-btn:hover { background: var(--gold); }

/* ===== Sub-page hero (NSEO/portfolio detail) ===== */
.sub-hero { position: relative; padding: 5rem 0 3rem; text-align: center; background: var(--charcoal); color: var(--offwhite); }
.sub-hero .back-link { display: inline-block; font-size: 0.82rem; color: var(--warmgray); margin-bottom: 1.2rem; }
.sub-hero .back-link:hover { color: var(--gold); }
.sub-hero h1 { font-size: 1.9rem; color: var(--offwhite); }
.sub-hero .sub { color: var(--warmgray); margin-top: 0.6rem; }
.detail-hero { background-size: cover; background-position: center; position: relative; }
.detail-hero::before { content: ""; position: absolute; inset: 0; background: rgba(0,0,0,0.50); }
.detail-hero .wrap { position: relative; z-index: 1; }

.info-bar { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--border); margin-top: -1px; }
@media (max-width: 640px) { .info-bar { grid-template-columns: repeat(2, 1fr); } }
.info-bar .item { padding: 1.2rem; border-left: 1px solid var(--border); text-align: center; }
.info-bar .item:first-child { border-left: none; }
.info-bar .item .k { font-size: 0.72rem; color: var(--text-muted); letter-spacing: 0.05em; }
.info-bar .item .v { font-size: 0.95rem; margin-top: 0.3rem; font-weight: 600; }

/* ===== 블로그형 스토리 (시공사례 상세) ===== */
.story-body { max-width: 720px; margin: 0 auto; font-size: 1rem; line-height: 1.9; }
.story-body h2 { font-size: 1.3rem; margin: 2.5rem 0 1rem; }
.story-body h3 { font-size: 1.1rem; margin: 2rem 0 0.8rem; color: var(--text-muted); }
.story-body p { margin-bottom: 1.5rem; }
.story-body figure { margin: 2rem 0; }
.story-body figure img { width: 100%; border-radius: var(--card-radius); }
.story-body figcaption { margin-top: .5rem; font-size: .85rem; color: var(--text-muted); text-align: center; }
.story-body mark {
  background: rgba(var(--gold-rgb), 0.28);
  padding: 0.05em 0.2em;
  border-radius: 2px;
  font-weight: 600;
}
.story-quote {
  border-left: 3px solid var(--gold);
  padding: 1rem 1.5rem;
  margin: 2.5rem auto;
  max-width: 720px;
  font-size: 1.05rem;
  font-style: italic;
  background: rgba(var(--gold-rgb), 0.06);
}
.story-quote .signature { display: block; margin-top: .75rem; font-size: .85rem; font-style: normal; color: var(--text-muted); text-align: right; }
.result-box { max-width: 720px; margin: 2.5rem auto; padding: 1.8rem; background: #fff; border: 1px solid var(--border); }
.result-box h3 { font-size: 1rem; margin-bottom: 0.8rem; }
.result-box ul { margin: 0; padding-left: 1.2rem; font-size: 0.92rem; }
.result-box li { margin-bottom: 0.5rem; }
.related-links { max-width: 720px; margin: 2.5rem auto; display: flex; gap: 1rem; flex-wrap: wrap; }
.related-links a { border: 1px solid var(--border); padding: 0.6rem 1rem; font-size: 0.85rem; }
.related-links a:hover { border-color: var(--gold); color: var(--gold); }

/* ===== Gallery (E-1) ===== */
.gallery-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
@media (max-width: 900px) { .gallery-grid { grid-template-columns: repeat(2, 1fr); } }
.gallery-grid figure { margin: 0; }
.gallery-grid img { aspect-ratio: 4/5; object-fit: cover; width: 100%; }
.gallery-grid figcaption { font-size: 0.82rem; color: var(--text-muted); margin-top: 0.5rem; text-align: center; }

/* ===== Mobile nav (native details/summary, JS 없음) ===== */
@media (max-width: 860px) {
  .main-nav, .header-cta { display: none; }
  .mobile-nav { display: block; position: relative; }
  .mobile-nav summary { list-style: none; width: 40px; height: 40px; display: flex; flex-direction: column; justify-content: center; gap: 5px; cursor: pointer; }
  .mobile-nav summary::-webkit-details-marker { display: none; }
  .mobile-nav summary span { display: block; height: 2px; background: var(--charcoal); }
  .mobile-nav-panel { position: absolute; right: 0; top: 50px; background: var(--offwhite); border: 1px solid var(--border); padding: 1rem 1.4rem; display: flex; flex-direction: column; gap: 0.9rem; min-width: 180px; }
  .collage-grid { grid-template-rows: repeat(4, 44px); }
  .hero-center { position: static; transform: none; margin: 1.5rem auto 0; max-width: 100%; }
  .hero-collage { padding: 2rem 0 1rem; }
  .quicklink-card { padding: 1rem 0.5rem; }
  .quicklink-card .num { font-size: 0.62rem; }
  .quicklink-card p { font-size: 0.76rem; margin-top: 0.3rem; }
}

/* ===== NSEO page blocks ===== */
.nseo-body { max-width: 760px; margin: 0 auto; }
.nseo-body h2 { font-size: 1.35rem; margin: 2.2rem 0 1rem; }
.nseo-body p { margin-bottom: 1.2rem; color: var(--text); }