/* ═══ 디자인 시스템 v2 — "정밀 도면형" ═══
   Primary: 파스텔 스틸블루 #A0C4D8 (포인트로만 소량 사용, 버튼/배경 solid-fill 최소화)
   모티프: 도면 치수선·코너 등록마크·모노스페이스 라벨. 카드 박스 대신 얇은 구분선 위주.
   Hero: hero-split (중복 서비스 리스트 제거, 타이틀블록 스펙 패널로 대체)
   ★ Tailwind CDN preflight가 h1~h6 기본 크기를 제거하므로 모든 헤딩에 명시적 font-size 필수.
   ═══════════════════════ */
:root {
  --primary: #A0C4D8;
  --primary-dark: #7BA7C2;
  --ink: #1b2429;
  --text: #222c33;
  --text-muted: #6b7680;
  --border: #dde3e7;
  --bg-soft: #f6f8f9;
  --card-radius: 4px;
  --max-width: 1200px;
  --mono: ui-monospace, 'SFMono-Regular', Menlo, Consolas, 'Liberation Mono', monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 17px; }
body {
  margin: 0;
  font-family: 'Pretendard', 'Noto Sans KR', sans-serif;
  font-weight: 400;
  font-size: 1rem;
  color: var(--text);
  word-break: keep-all;
  line-height: 1.7;
}
img { max-width: 100%; display: block; }
/* 원본 폰카 사진들의 색감 편차를 줄여 통일된 "회사 포트폴리오" 톤으로 보정 */
.card-thumb img, .service-card .thumb img, .gallery-card img, .hero-media img, .ba-grid img {
  filter: saturate(0.82) contrast(1.06) brightness(0.99);
}
a { color: inherit; text-decoration: none; }
/* ★ body 접두로 명시도를 올려 Tailwind CDN이 런타임에 </head> 끝에 추가하는 preflight(h1~h6 리셋)를 항상 이긴다.
   (Tailwind는 <script> 위치와 무관하게 생성된 <style>을 head 맨 끝에 append하므로 소스 순서로는 못 이김) */
body h1, body h2, body h3 { font-weight: 800; margin: 0; letter-spacing: -0.01em; line-height: 1.3; }
body h1 { font-size: 2.6rem; }
body h2 { font-size: 1.9rem; }
body h3 { font-size: 1.2rem; }
@media (max-width: 640px) { body h1 { font-size: 2rem; } body h2 { font-size: 1.55rem; } }
p { margin: 0; }
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 1.25rem; }
.section { padding: 5rem 0; }
.section-desc { color: var(--text-muted); font-weight: 300; margin-top: 0.6rem; font-size: 1.08rem; }

/* 섹션 레이블: 도면 주석 스타일 (모노스페이스 + 하단 대시선) */
.section-label {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.85rem; font-weight: 700; color: var(--primary-dark);
  text-transform: uppercase; letter-spacing: 0.14em;
  padding-bottom: 0.6rem; margin-bottom: 1rem;
  border-bottom: 1px dashed var(--border);
}

/* 스펙 블록 (도면 타이틀블록 느낌의 라벨:값 목록) */
.spec-block { border-top: 1px solid var(--border); margin: 1.5rem 0; }
.spec-row { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem;
  padding: 0.75rem 0; border-bottom: 1px solid var(--border); }
.spec-row .k { font-family: var(--mono); font-size: 0.85rem; letter-spacing: 0.06em; color: var(--text-muted); flex-shrink: 0; }
.spec-row .v { font-size: 1.02rem; font-weight: 600; color: var(--text); text-align: right; }

/* 버튼: 각진 기술 도면 톤 (포인트 컬러는 최소, 잉크색 위주) */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.4rem;
  border-radius: 2px; padding: 0.9rem 1.85rem; font-weight: 700; font-size: 1rem;
  border: 1.5px solid transparent; cursor: pointer; transition: all 0.2s ease; }
.btn-primary { background: var(--ink); color: #fff; border-color: var(--ink); }
.btn-primary:hover { background: #fff; color: var(--ink); }
.btn-outline { background: transparent; color: var(--text); border-color: var(--text); }
.btn-outline:hover { border-color: var(--primary-dark); color: var(--primary-dark); }
.btn-light { background: rgba(255,255,255,0.95); color: var(--ink); border-color: transparent; }

/* 카드 공통: 옅은 그림자로 입체감 + 상단 포인트 컬러 바 */
.portfolio-card, .service-card, .area-card, .guide-card, .cat-card {
  box-shadow: 0 1px 2px rgba(27,36,41,0.05), 0 10px 24px -16px rgba(27,36,41,0.22);
  border-top: 3px solid var(--primary) !important;
  transition: box-shadow 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
}
.portfolio-card:hover, .service-card:hover, .area-card:hover, .guide-card:hover {
  box-shadow: 0 4px 10px rgba(27,36,41,0.08), 0 16px 32px -16px rgba(27,36,41,0.28);
  transform: translateY(-2px);
}

/* 코너 등록마크 — 카드형 요소에 공통 적용 (호버 시에만 나타나는 보조 디테일) */
.portfolio-card, .service-card, .gallery-card, .area-card, .guide-card, .cat-card {
  position: relative;
}
.portfolio-card::before, .portfolio-card::after,
.service-card::before, .service-card::after,
.gallery-card::before, .gallery-card::after,
.area-card::before, .area-card::after,
.guide-card::before, .guide-card::after,
.cat-card::before, .cat-card::after {
  content: ""; position: absolute; width: 11px; height: 11px; pointer-events: none;
  opacity: 0; transition: opacity 0.2s ease; border-color: var(--primary-dark);
}
.portfolio-card::before, .service-card::before, .gallery-card::before, .area-card::before, .guide-card::before, .cat-card::before {
  top: 8px; left: 8px; border-top: 1.5px solid; border-left: 1.5px solid;
}
.portfolio-card::after, .service-card::after, .gallery-card::after, .area-card::after, .guide-card::after, .cat-card::after {
  bottom: 8px; right: 8px; border-bottom: 1.5px solid; border-right: 1.5px solid;
}
.portfolio-card:hover::before, .portfolio-card:hover::after,
.service-card:hover::before, .service-card:hover::after,
.gallery-card:hover::before, .gallery-card:hover::after,
.area-card:hover::before, .area-card:hover::after,
.guide-card:hover::before, .guide-card:hover::after { opacity: 1; }

/* Header — 유리질감 대신 단순 실선 경계 */
.site-header { position: sticky; top: 0; z-index: 100; background: #fff; border-bottom: 1px solid var(--border); }
.site-header .container { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.site-header .logo { font-weight: 800; font-size: 1.25rem; }
.site-header nav { display: flex; gap: 1.75rem; }
.site-header nav a { font-weight: 600; font-size: 1rem; }
.site-header nav a:hover { color: var(--primary-dark); }
.header-cta { display: flex; align-items: center; gap: 1rem; }
.header-cta .btn { padding: 0.7rem 1.4rem; font-size: 0.92rem; }
.hamburger { display: none; background: none; border: none; cursor: pointer; }
@media (max-width: 768px) {
  .site-header nav { display: none; }
  .hamburger { display: block; }
  .site-header nav.open { display: flex; flex-direction: column; position: absolute; top: 76px; left: 0; right: 0;
    background: #fff; padding: 1rem 1.25rem; border-bottom: 1px solid var(--border); gap: 1rem; }
}

/* Hero split */
#hero.hero-split { padding: 4rem 0; background: var(--bg-soft); }
#hero.hero-split .hero-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 3rem; align-items: center; }
#hero.hero-split .hero-copy h1 { font-size: 2.7rem; line-height: 1.32; margin-bottom: 1.1rem; }
#hero.hero-split .hero-copy .hero-desc { font-size: 1.1rem; color: var(--text-muted); font-weight: 300; }
#hero.hero-split .hero-btn-row { display: flex; gap: 0.75rem; margin-top: 1.75rem; }
#hero.hero-split .hero-media { position: relative; border-radius: var(--card-radius); overflow: hidden; aspect-ratio: 4/5; border: 1px solid var(--border); }
#hero.hero-split .hero-media img { width: 100%; height: 100%; object-fit: cover; }
#hero.hero-split .hero-media .media-caption { position: absolute; left: 0; right: 0; bottom: 0;
  background: linear-gradient(0deg, rgba(0,0,0,0.6), transparent); color: #fff; padding: 2rem 1.5rem 1.25rem; }
#hero.hero-split .hero-media .plate-tag { display: block; font-family: var(--mono); font-size: 0.75rem; letter-spacing: 0.1em; opacity: 0.85; margin-bottom: 0.35rem; }
#hero.hero-split .hero-media .media-caption strong { display: block; font-size: 1.15rem; }
#hero.hero-split .hero-media .media-caption span:not(.plate-tag) { font-size: 0.92rem; opacity: 0.85; }
@media (max-width: 900px) {
  #hero.hero-split .hero-grid { grid-template-columns: 1fr; }
  #hero.hero-split .hero-copy h1 { font-size: 2.1rem; }
}

/* Portfolio grid-3 */
.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); display: block; background: #fff; transition: border-color 0.2s ease; }
.portfolio-card:hover { border-color: var(--primary-dark); }
.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(1.03); }
.portfolio-card .card-body { padding: 1.35rem; display: flex; flex-direction: column; gap: 0.55rem; }
.card-meta { display: flex; align-items: center; justify-content: space-between; gap: 0.5rem; }
.case-no { font-family: var(--mono); font-size: 0.82rem; letter-spacing: 0.05em; color: var(--text-muted); }
.card-badge { font-size: 0.8rem; font-weight: 700; letter-spacing: 0.02em; background: rgba(160,196,216,0.22); color: var(--primary-dark);
  border: none; display: inline-block; padding: 0.25rem 0.65rem; border-radius: 2px; }
.card-title { font-weight: 800; font-size: 1.15rem; }
.card-sub { font-weight: 300; font-size: 0.98rem; color: var(--text-muted); }
.card-more { font-size: 0.95rem; font-weight: 600; color: var(--text-muted); margin-top: 0.25rem; }
.portfolio-card:hover .card-more { color: var(--primary-dark); }

/* Mid banner — solid-fill 대신 실선 구획 */
.mid-banner { background: #fff; padding: 2.75rem 0; text-align: center; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.mid-banner .container { display: flex; flex-direction: column; align-items: center; gap: 1.25rem; }
.mid-banner p { font-family: var(--mono); font-size: 1.05rem; font-weight: 600; color: var(--text); }

/* Services */
.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; display: block; transition: border-color 0.2s ease; }
.service-card:hover { border-color: var(--primary-dark); }
.service-card .thumb { aspect-ratio: 3/4; overflow: hidden; }
.service-card .thumb img { width: 100%; height: 100%; object-fit: cover; }
.service-card .body { padding: 1.1rem; }
.service-card .label-en { font-family: var(--mono); font-size: 0.75rem; font-weight: 700; color: var(--primary-dark); text-transform: uppercase; letter-spacing: 0.08em; }
.service-card h3 { font-size: 1.05rem; margin: 0.4rem 0; }
.service-card .desc { font-size: 0.92rem; color: var(--text-muted); font-weight: 300; }
.service-card .more { font-size: 0.9rem; font-weight: 600; color: var(--primary-dark); margin-top: 0.55rem; display: block; }

/* Gallery (H-6) */
.gallery-section { max-width: var(--max-width); margin: 0 auto; padding: 0 1.25rem; }
.gallery-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 1rem; }
@media (max-width: 1024px) { .gallery-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 640px) {
  .gallery-grid { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; gap: 0.75rem; }
  .gallery-card { flex: 0 0 42%; scroll-snap-align: start; }
}
.gallery-card { display: block; padding: 6px; border: 1px solid transparent; }
.gallery-card:hover { border-color: var(--border); }
.gallery-card img { width: 100%; aspect-ratio: 1/1; object-fit: cover; border-radius: 2px; }
.gallery-card figcaption { margin-top: 0.6rem; text-align: center; font-size: 0.95rem; font-weight: 600; color: var(--text); }

/* Process — 모노스페이스 번호 + 상단 연결선 */
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; position: relative; }
@media (max-width: 768px) { .process-grid { grid-template-columns: 1fr; } }
.process-step { text-align: center; }
.process-step .num { font-family: var(--mono); font-size: 2rem; font-weight: 700; color: var(--primary-dark); margin-bottom: 0.5rem; }
.process-step h3 { font-size: 1.15rem; margin-bottom: 0.45rem; }
.process-step p { font-size: 0.95rem; color: var(--text-muted); font-weight: 300; }

/* About */
.about-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 3rem; align-items: start; }
@media (max-width: 900px) { .about-grid { grid-template-columns: 1fr; } }
.about-grid p { margin-bottom: 1.1rem; font-size: 1.02rem; color: var(--text-muted); font-weight: 300; }

/* Areas */
.areas-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
@media (max-width: 768px) { .areas-grid { grid-template-columns: 1fr; } }
.area-card { border: 1px solid var(--border); border-radius: var(--card-radius); padding: 1.75rem; }
.area-card h3 { font-size: 1.15rem; margin-bottom: 0.6rem; }
.area-card ul { margin: 0; padding-left: 1.1rem; color: var(--text-muted); font-size: 0.98rem; font-weight: 300; }

/* FAQ — 모노스페이스 Q번호 자동 채번 */
.faq-list { counter-reset: faqnum; margin-top: 2rem; }
.faq-item { counter-increment: faqnum; border-bottom: 1px solid var(--border); }
.faq-q { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1.35rem 0; cursor: pointer; font-weight: 700; font-size: 1.05rem; }
.faq-q span:first-child::before {
  content: "Q" counter(faqnum, decimal-leading-zero); font-family: var(--mono); font-size: 0.85rem;
  color: var(--primary-dark); font-weight: 700; margin-right: 0.6rem;
}
.faq-q .arrow { flex-shrink: 0; transition: transform 0.25s ease; }
.faq-item.open .faq-q .arrow { transform: rotate(180deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; color: var(--text-muted); font-weight: 300; font-size: 1rem; }
.faq-item.open .faq-a { max-height: 300px; padding-bottom: 1.35rem; }

/* CTA — 뱃지 대신 구분선이 있는 스펙 라인 */
.cta-section { background: var(--bg-soft); text-align: center; }
.cta-badges { display: flex; justify-content: center; flex-wrap: wrap; margin: 1.75rem 0 2rem; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.cta-badge { display: flex; align-items: center; gap: 0.5rem; font-family: var(--mono); font-size: 0.88rem; color: var(--text-muted);
  padding: 0.95rem 1.5rem; border-left: 1px solid var(--border); }
.cta-badge svg { color: var(--primary-dark); flex-shrink: 0; }
.cta-badge:first-child { border-left: none; }
@media (max-width: 700px) {
  .cta-badge { border-left: none; border-top: 1px solid var(--border); width: 100%; justify-content: center; }
  .cta-badge:first-child { border-top: none; }
}
.cta-btn-row { display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap; }

/* Footer */
.site-footer { background: var(--ink); color: #c9d2d8; padding: 3.5rem 0 1.5rem; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 2rem; margin-bottom: 2rem; }
@media (max-width: 768px) { .footer-grid { grid-template-columns: 1fr; } }
.site-footer h4 { color: #fff; font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 1rem; }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 0.55rem; font-size: 0.82rem; }
.site-footer p { font-size: 0.82rem; }
.footer-biz { border-top: 1px solid #313d44; padding-top: 1.25rem; font-size: 0.72rem; color: #8a969e; line-height: 1.8; font-family: var(--mono); }

/* Floating buttons */
.floating-btns { position: fixed; right: 1.25rem; bottom: 1.25rem; display: flex; flex-direction: column; gap: 0.6rem; z-index: 200; }
.floating-btns a { display: flex; align-items: center; gap: 0.5rem; background: var(--ink); color: #fff;
  padding: 0.8rem 1.2rem; border-radius: 2px; font-weight: 700; font-size: 0.92rem; box-shadow: 0 8px 20px rgba(0,0,0,0.18); }
.floating-btns a.sms { background: var(--primary-dark); color: #12212b; }

/* Detail page */
.detail-hero { position: relative; background-size: cover; background-position: center; padding: 7rem 0 3.5rem; color: #fff; }
.detail-hero::before { content: ""; position: absolute; inset: 0; background: rgba(0,0,0,0.5); }
.detail-hero .container { position: relative; }
.detail-hero h1 { font-size: 2.2rem; text-shadow: 0 2px 10px rgba(0,0,0,0.4); }
.detail-hero .sub { margin-top: 0.5rem; font-size: 1.05rem; opacity: 0.92; }
.detail-hero .back-link { display: inline-block; margin-bottom: 1rem; font-size: 0.9rem; opacity: 0.9; font-family: var(--mono); }
.info-bar { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; padding: 2rem 0; border-bottom: 1px solid var(--border); }
@media (max-width: 640px) { .info-bar { grid-template-columns: repeat(2, 1fr); } }
.info-bar .item .k { font-family: var(--mono); font-size: 0.8rem; letter-spacing: 0.05em; color: var(--text-muted); }
.info-bar .item .v { font-size: 1.05rem; font-weight: 700; margin-top: 0.3rem; }
.content-section { padding: 3rem 0; }
.content-section p { margin-bottom: 1.2rem; font-size: 1.05rem; color: var(--text-muted); font-weight: 300; }
.ba-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; margin: 1.5rem 0; }
@media (max-width: 640px) { .ba-grid { grid-template-columns: 1fr; } }
.ba-grid img { border-radius: var(--card-radius); aspect-ratio: 4/3; object-fit: cover; border: 1px solid var(--border); }
.summary-box { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: 1.5rem 0; margin: 1.5rem 0; }
.summary-box h3 { font-family: var(--mono); font-size: 0.85rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--primary-dark); }
.summary-box ul { margin: 0; padding-left: 1.2rem; font-size: 1rem; }
.summary-box li { margin-bottom: 0.35rem; }
.quote-box { border-left: 2px solid var(--primary-dark); padding: 0.5rem 0 0.5rem 1.5rem; margin: 2rem 0; font-size: 1.08rem; font-style: italic; color: var(--text); }
.quote-box .sig { display: block; margin-top: 0.75rem; font-style: normal; font-family: var(--mono); font-size: 0.85rem; color: var(--text-muted); }

/* 블로그형 풀 인용구 — 본문 중간에 시각적 쉼표 역할 */
.pull-quote { position: relative; margin: 2.5rem 0; padding: 1rem 1rem 1rem 2.75rem;
  font-size: 1.35rem; font-weight: 700; line-height: 1.5; color: var(--ink);
  background: var(--bg-soft); border-radius: var(--card-radius); border-left: 3px solid var(--primary); }
.pull-quote .mark { position: absolute; left: 0.75rem; top: 0.55rem; font-family: var(--mono); font-size: 2.4rem; font-weight: 700; color: var(--primary); line-height: 1; }
@media (max-width: 640px) { .pull-quote { font-size: 1.15rem; padding: 0.9rem 0.9rem 0.9rem 2.4rem; } .pull-quote .mark { font-size: 2rem; } }
.related-links { display: flex; gap: 1rem; flex-wrap: wrap; }
.related-links a { border: 1px solid var(--border); border-radius: 2px; padding: 0.65rem 1.1rem; font-size: 0.95rem; font-weight: 600; }
.related-links a:hover { border-color: var(--primary-dark); color: var(--primary-dark); }

/* NSEO page */
.nseo-hero { background: var(--bg-soft); padding: 5rem 0 3.5rem; text-align: center; }
.nseo-hero h1 { font-size: 2.2rem; margin-bottom: 0.75rem; }
.nseo-hero p { font-size: 1.08rem; color: var(--text-muted); font-weight: 300; max-width: 600px; margin: 0 auto 1.75rem; }

/* Sitemap page */
.sitemap-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
@media (max-width: 768px) { .sitemap-grid { grid-template-columns: 1fr; } }
.sitemap-grid .cat-card { border: 1px solid var(--border); border-radius: var(--card-radius); padding: 1.25rem; }
.sitemap-grid .cat-card h3 { font-family: var(--mono); font-size: 0.92rem; letter-spacing: 0.05em; margin-bottom: 0.75rem; }
.sitemap-grid .cat-card ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 0.45rem; font-size: 0.95rem; }

/* Consultation page */
.guide-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
@media (max-width: 640px) { .guide-grid { grid-template-columns: 1fr; } }
.guide-card { border: 1px solid var(--border); border-radius: var(--card-radius); overflow: hidden; }
.guide-card img { aspect-ratio: 4/3; object-fit: cover; }
.guide-card p { padding: 1.1rem; font-size: 0.95rem; color: var(--text-muted); }
.step-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
@media (max-width: 768px) { .step-grid { grid-template-columns: 1fr; } }