/* ==========================================================
   모호소 건축사사무소 (MOHOSO Architects & Planners)
   디자인 원칙: 흰 배경 · 이미지 중심 · 절제된 타이포 · 주황 포인트
   ========================================================== */

:root {
  --ink: #131313;          /* 기본 글자색 */
  --gray: #8a8a8a;         /* 보조 글자색 */
  --line: #e7e5e2;         /* 구분선 */
  --bg: #ffffff;           /* 배경 */
  --accent: #ea5f2c;       /* 로고의 주황 */
  --max: 1440px;           /* 콘텐츠 최대 폭 */
  --pad: clamp(20px, 4vw, 56px);
  --header-h: 72px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont,
    "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.en { font-family: Poppins, "Pretendard Variable", sans-serif; letter-spacing: 0.01em; }

.wrap { max-width: var(--max); margin: 0 auto; padding-left: var(--pad); padding-right: var(--pad); }

/* ---------- 헤더 ---------- */
.header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease;
}
.header.scrolled { border-bottom-color: var(--line); }
.header__inner {
  max-width: var(--max); margin: 0 auto; height: 100%;
  padding: 0 var(--pad);
  display: flex; align-items: center; justify-content: space-between;
}
/* 로고: 심볼(위) + 워드마크(아래) 왼쪽 정렬 스택 — 헤더·히어로 공용 */
.logo-stack { display: inline-flex; flex-direction: column; align-items: flex-start; }
.logo-stack__symbol, .logo-stack__word { display: block; width: auto; }
/* 헤더(작게) — 가로 배치(심볼 옆 글자). 세로로 쌓으면 작아서 뭉개짐 */
.header__logo { display: flex; align-items: center; }  /* 메뉴와 세로 중앙 정렬 맞춤 */
.header__logo .logo-stack { flex-direction: row; align-items: center; gap: 8px; }
.header__logo .logo-stack__symbol { height: 27px; }
.header__logo .logo-stack__word { height: 27px; }

.nav { display: flex; gap: clamp(20px, 3vw, 44px); }
.nav a {
  font-size: 15px; font-weight: 500; letter-spacing: 0.02em;
  position: relative; padding: 6px 0;
  color: var(--ink);
}
.nav a::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 100%; height: 2px; background: var(--accent);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.25s ease;
}
.nav a:hover::after, .nav a.active::after { transform: scaleX(1); }

/* 모바일 메뉴 버튼 */
.menu-btn { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.menu-btn span { display: block; width: 22px; height: 2px; background: var(--ink); margin: 5px 0; transition: 0.3s; }

main { padding-top: var(--header-h); }

/* ---------- 인트로 (메인 상단) ---------- */
.intro { padding-top: clamp(48px, 8vw, 110px); padding-bottom: clamp(40px, 6vw, 90px); }
.intro__logo-wrap { margin: 0; }
.logo-stack--hero { gap: clamp(8px, 1.1vw, 15px); }
.logo-stack--hero .logo-stack__symbol { height: clamp(44px, 5.5vw, 74px); }
.logo-stack--hero .logo-stack__word { height: clamp(60px, 7.6vw, 108px); }
.intro__sub {
  margin-top: clamp(28px, 4vw, 44px); max-width: 600px;
  font-size: clamp(15px, 1.6vw, 18px); color: var(--gray); font-weight: 400;
  word-break: keep-all; /* 한글이 '봅니다'처럼 단어 중간에서 끊기지 않게 */
}

/* ---------- 메인: 대표 작품 ---------- */
.featured { padding-bottom: clamp(70px, 9vw, 140px); }
.featured__head { margin-bottom: clamp(22px, 3vw, 38px); border-top: 1px solid var(--line); padding-top: 18px; }
.featured__head h2 { font-size: 13px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--gray); font-weight: 600; }
.featured__head h2 span { margin-left: 8px; color: var(--ink); letter-spacing: 0; text-transform: none; font-weight: 500; }
.featured__grid { display: grid; gap: clamp(20px, 2.5vw, 36px); grid-template-columns: 1fr; }
@media (min-width: 740px) { .featured__grid { grid-template-columns: repeat(3, 1fr); } }
.btn-all {
  display: inline-block; margin-top: clamp(34px, 4vw, 56px);
  font-size: 15px; font-weight: 600; color: var(--ink);
  border: 1px solid var(--ink); border-radius: 999px; padding: 12px 26px; transition: 0.2s ease;
}
.btn-all:hover { background: var(--ink); color: #fff; }

/* ---------- 프로젝트 그리드 ---------- */
.works { padding-bottom: clamp(70px, 9vw, 140px); }
.works__grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: clamp(16px, 2.5vw, 40px);
  row-gap: clamp(48px, 6vw, 110px);
}
.works__grid .work-card { grid-column: span 12; }

/* 12칸 그리드 위에서 7/5 — 5/7 교차 배치로 리듬을 만든다 (Work 전체 그리드에서만) */
@media (min-width: 760px) {
  .works__grid .work-card:nth-child(4n + 1) { grid-column: 1 / span 7; }
  .works__grid .work-card:nth-child(4n + 2) { grid-column: 8 / span 5; align-self: end; }
  .works__grid .work-card:nth-child(4n + 3) { grid-column: 1 / span 5; }
  .works__grid .work-card:nth-child(4n + 4) { grid-column: 6 / span 7; }
}

.work-card__media {
  overflow: hidden; background: #f2f0ed;
  aspect-ratio: 4 / 3;
}
.works__grid .work-card:nth-child(4n + 2) .work-card__media,
.works__grid .work-card:nth-child(4n + 3) .work-card__media { aspect-ratio: 1 / 1; }

.work-card__media img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.7s cubic-bezier(0.2, 0.6, 0.2, 1);
}
.work-card:hover .work-card__media img { transform: scale(1.04); }

.work-card__body { margin-top: 16px; display: flex; align-items: baseline; justify-content: space-between; gap: 16px; }
.work-card__title { font-size: clamp(17px, 1.8vw, 21px); font-weight: 600; letter-spacing: -0.01em; }
.work-card__title::after {
  content: ""; display: inline-block; width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent); margin-left: 9px; vertical-align: middle;
  opacity: 0; transform: scale(0.4); transition: 0.3s ease;
}
.work-card:hover .work-card__title::after { opacity: 1; transform: scale(1); }
.work-card__title-ko { display: block; font-size: 14px; font-weight: 400; color: var(--gray); margin-top: 3px; }
.work-card__meta { font-size: 13px; color: var(--gray); white-space: nowrap; }

/* ---------- 스크롤 등장 애니메이션 ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.8s ease, transform 0.8s ease; }
.reveal.on { opacity: 1; transform: none; }

/* ---------- 프로젝트 상세 ---------- */
.work-hero { width: 100%; max-height: 78vh; overflow: hidden; background: #f2f0ed; }
.work-hero img { width: 100%; height: 100%; object-fit: cover; }

.work-head { padding: clamp(40px, 6vw, 80px) 0 clamp(28px, 4vw, 56px); display: grid; gap: 28px; }
@media (min-width: 900px) { .work-head { grid-template-columns: 1.4fr 1fr; gap: 60px; } }

.work-head h1 { font-size: clamp(28px, 4vw, 52px); font-weight: 600; line-height: 1.15; letter-spacing: -0.02em; }
.work-head h1 small { display: block; font-size: clamp(15px, 1.8vw, 19px); color: var(--gray); font-weight: 400; margin-top: 10px; letter-spacing: 0; }
.work-head .award { display: inline-block; margin-top: 18px; font-size: 14px; font-weight: 600; color: var(--accent); border: 1px solid currentColor; border-radius: 999px; padding: 5px 14px; }

.meta-table { font-size: 15px; border-top: 1px solid var(--ink); }
.meta-table div { display: flex; gap: 18px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.meta-table dt { width: 84px; flex-shrink: 0; color: var(--gray); font-weight: 500; }
.meta-table dd { flex: 1; }

.work-abstract { max-width: 760px; padding-bottom: clamp(40px, 6vw, 80px); font-size: clamp(15px, 1.7vw, 17.5px); line-height: 1.85; color: #333; }

.work-gallery { display: grid; gap: clamp(16px, 2.5vw, 36px); padding-bottom: clamp(50px, 7vw, 110px); }
.work-gallery img { width: 100%; background: #f2f0ed; }

.work-nav { display: flex; justify-content: space-between; border-top: 1px solid var(--line); padding: 26px 0 70px; font-size: 15px; }
.work-nav a { display: flex; flex-direction: column; gap: 4px; max-width: 44%; }
.work-nav a span:first-child { font-size: 12.5px; color: var(--gray); letter-spacing: 0.06em; text-transform: uppercase; }
.work-nav a span:last-child { font-weight: 600; }
.work-nav a:hover span:last-child { color: var(--accent); }
.work-nav .next { text-align: right; margin-left: auto; }

/* ---------- 어바웃 ---------- */
.page-head { padding-top: clamp(52px, 8vw, 110px); padding-bottom: clamp(30px, 4vw, 60px); }
.page-head h1 { font-size: clamp(32px, 5vw, 64px); font-weight: 600; letter-spacing: -0.02em; }
.page-head h1 .dot { color: var(--accent); }
.page-head p { margin-top: 18px; color: var(--gray); max-width: 540px; }

.about-grid { display: grid; gap: 48px; padding-bottom: clamp(60px, 8vw, 120px); }
@media (min-width: 900px) { .about-grid { grid-template-columns: 1fr 1.6fr; gap: 80px; } }

.about-side h2 { font-size: 14px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--gray); font-weight: 600; position: sticky; top: calc(var(--header-h) + 24px); }

.about-body .statement { font-size: clamp(19px, 2.4vw, 27px); font-weight: 500; line-height: 1.55; letter-spacing: -0.01em; margin-bottom: 22px; word-break: keep-all; }
.about-body .desc { color: #444; max-width: 640px; word-break: keep-all; }

.profile-block { margin-top: clamp(44px, 6vw, 80px); }
.profile-block h3 { font-size: clamp(20px, 2.4vw, 26px); font-weight: 600; }
.profile-block h3 small { font-weight: 400; color: var(--gray); font-size: 0.65em; margin-left: 10px; }

.timeline { margin-top: 22px; border-top: 1px solid var(--ink); }
.timeline li { display: flex; gap: 22px; padding: 13px 0; border-bottom: 1px solid var(--line); font-size: 15px; }
.timeline .yr { width: 110px; flex-shrink: 0; color: var(--gray); font-weight: 500; font-variant-numeric: tabular-nums; }

.award-list li::before { content: ""; display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); margin-right: 12px; vertical-align: middle; }

/* 이전 작품(Previous works) — 썸네일 + 링크 */
.pw-list { margin-top: 22px; border-top: 1px solid var(--ink); }
.pw-item { border-bottom: 1px solid var(--line); font-size: 15px; }
/* 각 행(링크면 a, 아니면 li 자체)을 가로 flex로 */
.pw-item > a, .pw-item:not(.pw-link) { display: flex; align-items: center; gap: 16px; padding: 12px 0; color: inherit; }
.pw-thumb { width: 64px; height: 44px; flex-shrink: 0; border-radius: 6px; overflow: hidden; background: #f2f0ed; }
.pw-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.pw-thumb--none { background: repeating-linear-gradient(45deg, #f4f2f0, #f4f2f0 6px, #efedea 6px, #efedea 12px); }
.pw-item .yr { width: 56px; flex-shrink: 0; color: var(--gray); font-weight: 500; font-variant-numeric: tabular-nums; }
.pw-text { flex: 1; }
.pw-go { color: var(--accent); opacity: 0; transition: 0.25s ease; }
.pw-link > a:hover .pw-text { color: var(--accent); }
.pw-link > a:hover .pw-go { opacity: 1; }
.pw-link > a:hover .pw-thumb img { transform: scale(1.06); }
@media (max-width: 600px) { .pw-thumb { width: 52px; height: 38px; } .pw-item .yr { width: 44px; font-size: 13px; } }

/* ---------- 컨택트 (위계: 이메일=1차 / 상세=2차) ---------- */
.contact { padding-bottom: clamp(70px, 9vw, 130px); }

/* 1차 — 대표 연락 수단(이메일) */
.contact-primary { margin-bottom: clamp(40px, 6vw, 72px); }
.contact-eyebrow { display: block; font-size: 12.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--gray); font-weight: 600; margin-bottom: 14px; }
.contact .big-mail {
  display: inline-block;
  font-size: clamp(24px, 4.6vw, 52px); font-weight: 600; letter-spacing: -0.02em;
  border-bottom: 2.5px solid var(--ink); padding-bottom: 6px;
  transition: 0.25s ease;
}
.contact .big-mail:hover { color: var(--accent); border-color: var(--accent); }

/* 2차 — 상세 정보(구분선으로 분리) */
.contact-grid {
  display: grid; gap: 30px 36px;
  border-top: 1px solid var(--line); padding-top: clamp(30px, 4vw, 48px);
}
@media (min-width: 560px) { .contact-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 880px) { .contact-grid { grid-template-columns: repeat(4, 1fr); } }
.contact-item h3 { font-size: 12.5px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--gray); font-weight: 600; margin-bottom: 12px; }
.contact-item p { font-size: 15.5px; line-height: 1.65; color: var(--ink); }
.contact-item a:hover { color: var(--accent); }
.contact-item .map-link { display: inline-block; margin-top: 8px; font-size: 13.5px; color: var(--accent); font-weight: 500; }

/* ---------- 푸터 ---------- */
.footer { border-top: 1px solid var(--line); }
.footer__inner {
  max-width: var(--max); margin: 0 auto; padding: 28px var(--pad) 34px;
  display: flex; flex-wrap: wrap; gap: 14px; align-items: center; justify-content: flex-end;
  font-size: 13.5px; color: var(--gray);
}

/* ---------- 모바일 ---------- */
@media (max-width: 759px) {
  .menu-btn { display: block; }
  .nav {
    position: fixed; top: var(--header-h); right: 0; left: 0;
    background: #fff; border-bottom: 1px solid var(--line);
    flex-direction: column; gap: 0; padding: 8px var(--pad) 18px;
    transform: translateY(-130%); transition: transform 0.35s ease;
  }
  .nav.open { transform: none; }
  .nav a { padding: 13px 0; font-size: 17px; }
  .work-card__body { flex-direction: column; gap: 6px; }
  .work-card__meta { white-space: normal; }
}