@charset "utf-8";

/* =========================================================
   (주)세이소프트 - 정적 HTML 재구축 스타일시트
   ========================================================= */

/* ---------- 토큰 ---------- */
:root {
  --c-accent: #c93a12;          /* 본문 텍스트/버튼 대비 확보용 (흰 배경 5.1:1) */
  --c-accent-bright: #e8481c;   /* 큰 글자·장식 전용 */
  --c-navy: #0f2440;
  --c-navy-deep: #091a2f;
  --c-ink: #17191d;
  --c-body: #3c444e;
  --c-muted: #5b6672;           /* 흰 배경 5.8:1 */
  --c-line: #dfe3e8;
  --c-bg: #ffffff;
  --c-bg-soft: #f5f7fa;

  --header-h: 80px;
  --wrap: 1280px;
  --radius: 10px;
  --shadow: 0 4px 24px rgba(15, 36, 64, .08);
  --ease: cubic-bezier(.22, .61, .36, 1);
}

/* ---------- 리셋 ---------- */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: Pretendard, "Pretendard Variable", -apple-system, BlinkMacSystemFont,
               "Apple SD Gothic Neo", "Malgun Gothic", "맑은 고딕", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--c-body);
  background: var(--c-bg);
  word-break: keep-all;
  overflow-wrap: break-word;
  -webkit-text-size-adjust: 100%;
}

h1, h2, h3, h4, h5, h6 { margin: 0; color: var(--c-ink); line-height: 1.35; font-weight: 700; }
p { margin: 0 0 1em; }
ul, ol { margin: 0; padding: 0; list-style: none; }
img { max-width: 100%; height: auto; vertical-align: middle; }
a { color: inherit; text-decoration: none; }
a:hover, a:focus-visible { text-decoration: underline; }
button { font: inherit; color: inherit; cursor: pointer; }
table { border-collapse: collapse; width: 100%; }
address { font-style: normal; }

/* ---------- 포커스 (제거 금지) ---------- */
:focus-visible {
  outline: 3px solid #1769d6;
  outline-offset: 2px;
  border-radius: 3px;
}
.is-dark :focus-visible,
.hero :focus-visible,
.site-header :focus-visible { outline-color: #ffd34d; }

/* ---------- 공통 유틸 ---------- */
.wrap { width: min(100% - 40px, var(--wrap)); margin-inline: auto; }
.site-header, .site-footer, main, .sub-hero, .hero { max-width: 100vw; }
.sr-only {
  position: absolute; width: 1px; height: 1px; margin: -1px;
  padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: 50%; top: -100px; transform: translateX(-50%);
  z-index: 1000; padding: 12px 24px; background: var(--c-navy); color: #fff;
  border-radius: 0 0 var(--radius) var(--radius); font-weight: 600;
}
.skip-link:focus { top: 0; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 28px; border: 1px solid transparent; border-radius: 999px;
  font-weight: 600; font-size: .95rem; transition: .2s var(--ease);
}
.btn:hover, .btn:focus-visible { text-decoration: none; }
.btn-primary { background: var(--c-accent); color: #fff; }
.btn-primary:hover { background: #a82f0e; }
.btn-ghost { border-color: rgba(255, 255, 255, .6); color: #fff; }
.btn-ghost:hover { background: rgba(255, 255, 255, .14); }
.btn-line { border-color: var(--c-line); color: var(--c-ink); background: #fff; }
.btn-line:hover { border-color: var(--c-accent); color: var(--c-accent); }

/* 여백 보정용 (인라인 style 대체) */
.u-mt0 { margin-top: 0; }
.u-mt-sm { margin-top: 12px; }
.u-mt-md { margin-top: 22px; }
.u-mt-lg { margin-top: 36px; }
.u-mb0 { margin-bottom: 0; }
.u-m0 { margin: 0; }

/* =========================================================
   헤더 / 내비게이션
   ========================================================= */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  height: var(--header-h);
  background: rgba(9, 26, 47, .22);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid rgba(255, 255, 255, .14);
  transition: background .25s var(--ease), border-color .25s var(--ease);
}
.site-header.is-solid,
.site-header.is-open { background: var(--c-navy-deep); border-bottom-color: rgba(255, 255, 255, .1); }
body.has-subhero .site-header { background: rgba(9, 26, 47, .4); }

.header-inner {
  display: flex; align-items: center; gap: 32px;
  height: 100%;
}
.logo { display: flex; align-items: center; flex: 0 0 auto; }
.logo img { width: 178px; }

.gnb { margin-left: auto; }
.gnb > ul { display: flex; gap: 10px; }
.gnb > ul > li { position: relative; }
.gnb > ul > li > a {
  display: flex; align-items: center; justify-content: center;
  height: var(--header-h); min-width: 150px;
  padding: 0 22px; color: #fff; font-size: 1.05rem; font-weight: 600;
  white-space: nowrap;
}
.gnb > ul > li > a:hover,
.gnb > ul > li > a:focus-visible,
.gnb > ul > li > a[aria-current] { text-decoration: none; color: #ffd0bd; }
.gnb > ul > li > a[aria-current]::after {
  content: ""; position: absolute; left: 50%; bottom: 20px;
  width: 22px; height: 3px; transform: translateX(-50%);
  background: var(--c-accent-bright);
}

/* 드롭다운 - 메뉴마다 한 줄에 하나씩 */
.gnb .sub {
  position: absolute; left: 50%; top: var(--header-h); transform: translateX(-50%);
  display: none; min-width: 100%; width: max-content; max-width: 280px;
  padding: 10px 0; background: var(--c-navy-deep);
  border-top: 2px solid var(--c-accent-bright);
  border-radius: 0 0 8px 8px; box-shadow: 0 14px 30px rgba(0, 0, 0, .34);
}
.gnb .sub ul { display: block; width: auto; margin: 0; padding: 0; }
.gnb .sub a {
  display: block; padding: 10px 24px; color: #cdd6e2; font-size: .95rem;
  text-align: center; white-space: nowrap;
}
.gnb .sub a:hover, .gnb .sub a:focus-visible { background: rgba(255, 255, 255, .09); color: #fff; }
.gnb .sub a[aria-current] { color: #ffc9b5; font-weight: 600; }
.gnb li:hover > .sub,
.gnb li:focus-within > .sub { display: block; }

.header-util { display: flex; align-items: center; gap: 4px; }
.icon-btn {
  display: grid; place-items: center; width: 44px; height: 44px;
  background: none; border: 0; border-radius: 50%; color: #fff;
}
.icon-btn:hover { background: rgba(255, 255, 255, .14); }
.icon-btn svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.nav-toggle { display: none; }

/* 모바일 패널 */
.mobile-nav {
  position: fixed; top: var(--header-h); left: 0; right: 0; bottom: 0; z-index: 99;
  display: none; padding: 8px 0 40px; overflow-y: auto;
  background: var(--c-navy-deep); color: #fff;
}
.mobile-nav.is-open { display: block; }
.mobile-nav h2 { color: #fff; font-size: 1.05rem; padding: 18px 20px 6px; }
.mobile-nav a { display: block; padding: 14px 20px; color: #c6d0dd; border-top: 1px solid rgba(255, 255, 255, .08); }
.mobile-nav a:hover { background: rgba(255, 255, 255, .07); color: #fff; }

/* =========================================================
   메인 - 히어로 슬라이더
   ========================================================= */
.hero { position: relative; height: 100vh; min-height: 560px; color: #fff; overflow: hidden; }
.hero-slide {
  position: absolute; inset: 0;
  opacity: 0; visibility: hidden;
  transition: opacity .9s var(--ease), visibility .9s;
  background: var(--c-navy) center/cover no-repeat;
}
.hero-slide.is-active { opacity: 1; visibility: visible; }
.hero-slide::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(5, 16, 30, .62) 0%, rgba(5, 16, 30, .42) 45%, rgba(5, 16, 30, .78) 100%);
}
.hero-slide > .wrap { position: relative; z-index: 1; height: 100%; display: flex; flex-direction: column; justify-content: center; }
.hero-eyebrow {
  display: inline-block; margin-bottom: 18px; padding-bottom: 10px;
  color: #ffc9b5; font-size: clamp(1.1rem, 2.2vw, 1.5rem); font-weight: 600;
  letter-spacing: .02em; border-bottom: 2px solid var(--c-accent-bright); align-self: flex-start;
}
.hero h2 { color: #fff; font-size: clamp(1.9rem, 4.6vw, 3.4rem); letter-spacing: -.02em; margin-bottom: 20px; }
.hero p { max-width: 46ch; font-size: clamp(1rem, 1.5vw, 1.18rem); color: #e4ebf3; }
.hero-actions { margin-top: 34px; display: flex; flex-wrap: wrap; gap: 12px; }

.hero-controls {
  position: absolute; left: 50%; bottom: 112px; transform: translateX(-50%); z-index: 2;
  display: flex; align-items: center; gap: 14px;
}
.hero-dots { display: flex; gap: 10px; }
.hero-dots button {
  width: 42px; height: 4px; padding: 0; border: 0; border-radius: 2px;
  background: rgba(255, 255, 255, .4);
}
.hero-dots button[aria-current="true"] { background: var(--c-accent-bright); }
.hero-play {
  display: grid; place-items: center; width: 32px; height: 32px;
  border: 1px solid rgba(255, 255, 255, .5); border-radius: 50%;
  background: none; color: #fff; font-size: .7rem;
}
.hero-scroll {
  position: absolute; left: 50%; bottom: 36px; transform: translateX(-50%); z-index: 2;
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  color: #fff; font-size: .78rem; letter-spacing: .08em;
}
.hero-scroll svg { width: 18px; height: 18px; stroke: currentColor; fill: none; stroke-width: 2; animation: bob 1.8s infinite; }
@keyframes bob { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(6px); } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-slide { transition: none; }
  .hero-scroll svg { animation: none; }
}

/* =========================================================
   메인 - 섹션
   ========================================================= */
.section { padding: clamp(64px, 9vw, 120px) 0; }
.section-soft { background: var(--c-bg-soft); }
.section-head { margin-bottom: 48px; }
.section-head .eyebrow {
  display: block; margin-bottom: 14px; color: var(--c-accent);
  font-size: .95rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
}
.section-head h2 { font-size: clamp(1.6rem, 3.2vw, 2.4rem); letter-spacing: -.02em; }
.section-head p { margin-top: 14px; color: var(--c-muted); }

.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 28px; }
.card {
  display: flex; flex-direction: column; overflow: hidden;
  background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius);
  transition: .25s var(--ease);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: #c7d0da; }
.card-thumb { aspect-ratio: 16 / 10; background: var(--c-bg-soft); overflow: hidden; }
.card-thumb img { width: 100%; height: 100%; object-fit: cover; }
.card-body { padding: 24px 24px 28px; }
.card h3 { font-size: 1.2rem; margin-bottom: 10px; }
.card h3 a::after { content: ""; position: absolute; inset: 0; }
.card p { margin: 0; color: var(--c-muted); font-size: .95rem; }
.card { position: relative; }

/* 공지 리스트 (메인) */
.notice-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 56px; align-items: start; }
.notice-list li { border-top: 1px solid var(--c-line); }
.notice-list li:last-child { border-bottom: 1px solid var(--c-line); }
.notice-list a { display: flex; gap: 20px; justify-content: space-between; align-items: baseline; padding: 20px 4px; }
.notice-list a:hover .t, .notice-list a:focus-visible .t { color: var(--c-accent); }
.notice-list .t { flex: 1; color: var(--c-ink); font-weight: 500; }
.notice-list .d { flex: 0 0 auto; color: var(--c-muted); font-size: .9rem; }

/* 연락 배너 */
.cta {
  background: linear-gradient(120deg, var(--c-navy-deep), #163761);
  color: #fff; padding: clamp(56px, 8vw, 92px) 0;
}
.cta h2 { color: #fff; font-size: clamp(1.5rem, 3vw, 2.1rem); }
.cta p { color: #cfdbe9; margin-top: 12px; }
.cta .inner { display: flex; flex-wrap: wrap; gap: 28px; align-items: center; justify-content: space-between; }
.cta .tel { font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 800; color: #fff; letter-spacing: .02em; }

/* =========================================================
   서브 페이지
   ========================================================= */
.sub-hero {
  position: relative; display: grid; place-items: center; overflow: hidden;
  height: 340px; margin-top: 0; padding-top: var(--header-h);
  background: var(--c-navy-deep) linear-gradient(120deg, var(--c-navy-deep), #1c4273)
              center / cover no-repeat;
  color: #fff; text-align: center;
}
/* 사진 배너 위 글자 대비를 확보하는 덮개 */
.sub-hero::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(6, 18, 33, .58) 0%, rgba(6, 18, 33, .52) 45%, rgba(6, 18, 33, .72) 100%);
}
.sub-hero > .wrap { position: relative; z-index: 1; }
.sub-hero h1 { color: #fff; font-size: clamp(1.8rem, 4vw, 2.6rem); letter-spacing: -.02em;
  text-shadow: 0 2px 14px rgba(0, 0, 0, .45); }
.sub-hero p { margin: 12px 0 0; color: #e2eaf3; text-shadow: 0 1px 10px rgba(0, 0, 0, .5); }

/* 메뉴별 상단 배너 (자주하시는 질문은 원본에도 배너가 없어 그라데이션만 쓴다) */
.sub-hero--company    { background-image: url("../img/banner/sub-company.jpg"); }
.sub-hero--partner    { background-image: url("../img/banner/sub-partner.jpg"); }
.sub-hero--si-sm      { background-image: url("../img/banner/sub-si-sm.jpg"); }
.sub-hero--solution   { background-image: url("../img/banner/sub-solution.jpg"); }
.sub-hero--assignment { background-image: url("../img/banner/sub-assignment.jpg"); }
.sub-hero--portfolio  { background-image: url("../img/banner/sub-portfolio.jpg"); }
.sub-hero--recruit    { background-image: url("../img/banner/sub-recruit.jpg"); }
.sub-hero--notice     { background-image: url("../img/banner/sub-notice.jpg"); }
.sub-hero--news       { background-image: url("../img/banner/sub-news.jpg"); }
.sub-hero--faq        { background-image: url("../img/banner/sub-faq.jpg"); }

.breadcrumb { border-bottom: 1px solid var(--c-line); background: #fff; }
.breadcrumb ol { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; padding: 14px 0; font-size: .88rem; color: var(--c-muted); }
.breadcrumb li + li::before { content: "›"; margin-right: 10px; color: #aeb7c2; }
.breadcrumb [aria-current] { color: var(--c-ink); font-weight: 600; }

main { display: block; }
body.has-subhero main { padding-bottom: clamp(72px, 9vw, 120px); }
.page { padding-top: clamp(56px, 7vw, 88px); }
.page h2 { font-size: clamp(1.4rem, 2.6vw, 1.9rem); margin-bottom: 18px; }
.prose h3 { font-size: 1.15rem; margin: 40px 0 12px; }
.lead { font-size: clamp(1.05rem, 2vw, 1.3rem); color: var(--c-ink); line-height: 1.65; }
.page > .wrap > .lead { margin-bottom: 32px; }

.prose > p { max-width: 70ch; }
.prose strong { color: var(--c-ink); }
.quote {
  margin: 40px 0; padding: 28px 32px;
  border-left: 4px solid var(--c-accent-bright); background: var(--c-bg-soft); border-radius: 0 var(--radius) var(--radius) 0;
}
.quote p:last-child { margin-bottom: 0; }

/* 목록형 테이블 */
.board { border-top: 2px solid var(--c-ink); }
.board th, .board td { padding: 16px 12px; border-bottom: 1px solid var(--c-line); text-align: left; font-size: .95rem; }
.board th { background: var(--c-bg-soft); color: var(--c-ink); font-weight: 600; white-space: nowrap; }
.board td.num, .board td.date, .board td.hit { color: var(--c-muted); white-space: nowrap; }
.board caption { text-align: left; padding-bottom: 12px; color: var(--c-muted); font-size: .9rem; }
.board .cat {
  display: inline-block; padding: 3px 10px; border-radius: 999px;
  background: #e8eef6; color: #27456f; font-size: .8rem; font-weight: 600;
}

.result-count { margin-bottom: 14px; color: var(--c-muted); font-size: .92rem; }
.result-count strong { color: var(--c-accent); }

/* 필터 버튼 */
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.filters button {
  padding: 9px 20px; border: 1px solid var(--c-line); border-radius: 999px;
  background: #fff; color: var(--c-body); font-size: .92rem; transition: .18s var(--ease);
}
.filters button:hover { border-color: #9fb0c4; }
.filters button[aria-pressed="true"] { background: var(--c-navy); border-color: var(--c-navy); color: #fff; font-weight: 600; }

/* 페이지네이션 */
.pagination { display: flex; justify-content: center; gap: 6px; margin-top: 40px; }
.pagination a, .pagination span {
  display: grid; place-items: center; min-width: 40px; height: 40px; padding: 0 12px;
  border: 1px solid var(--c-line); border-radius: 6px; font-size: .92rem; background: #fff;
}
.pagination [aria-current="page"] { background: var(--c-navy); border-color: var(--c-navy); color: #fff; font-weight: 700; }

/* 연혁 타임라인 */
.timeline { position: relative; margin-top: 16px; padding-left: 0; }
.timeline::before { content: ""; position: absolute; left: 92px; top: 10px; bottom: 10px; width: 2px; background: var(--c-line); }
.timeline > li { position: relative; display: grid; grid-template-columns: 92px 1fr; gap: 36px; padding: 0 0 38px; }
.timeline .year { margin: 0; font-size: 1.5rem; font-weight: 800; color: var(--c-navy); line-height: 1.3; }
.timeline .dot {
  position: absolute; left: 86px; top: 10px; width: 14px; height: 14px;
  border: 3px solid var(--c-accent-bright); border-radius: 50%; background: #fff;
}
.timeline ul li { position: relative; padding-left: 18px; margin-bottom: 6px; }
.timeline ul li::before { content: "◈"; position: absolute; left: 0; top: 0; color: var(--c-accent-bright); font-size: .72rem; }

/* 조직도 */
.org { text-align: center; margin-top: 24px; }
.org-box {
  display: inline-block; min-width: 190px; padding: 15px 26px; border-radius: 8px;
  background: var(--c-navy); color: #fff; font-weight: 700;
}
.org-box.lv2 { background: #1c4273; }
.org-box.lv3 { background: #fff; color: var(--c-ink); border: 1px solid #b9c5d4; font-weight: 600; }
.org-line { width: 2px; height: 34px; margin: 0 auto; background: #b9c5d4; }
.org-row { display: flex; flex-wrap: wrap; justify-content: center; gap: 24px; }
.org-col { display: flex; flex-direction: column; align-items: center; }
.org-col > ul { margin-top: 0; }
.org-col > ul > li { margin-top: 14px; }

/* 클라이언트 그리드 */
.clients { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; }
.clients li {
  display: grid; place-items: center; min-height: 86px; padding: 14px 16px; text-align: center;
  border: 1px solid var(--c-line); border-radius: 8px; background: #fff;
  color: var(--c-ink); font-size: .95rem; font-weight: 500;
}

/* FAQ 아코디언 */
.faq { border-top: 2px solid var(--c-ink); }
.faq > li { border-bottom: 1px solid var(--c-line); }
.faq h3 { margin: 0; font-size: inherit; font-weight: inherit; }
.faq-q {
  display: flex; align-items: center; gap: 16px; width: 100%; padding: 22px 8px;
  background: none; border: 0; text-align: left; color: var(--c-ink); font-size: 1.05rem; font-weight: 600;
}
.faq-q .mark { flex: 0 0 auto; width: 30px; height: 30px; display: grid; place-items: center;
  border-radius: 50%; background: var(--c-accent); color: #fff; font-weight: 800; font-size: .9rem; }
.faq-q .sign { margin-left: auto; color: var(--c-muted); font-size: 1.3rem; line-height: 1; }
.faq-q[aria-expanded="true"] .sign::before { content: "−"; }
.faq-q[aria-expanded="false"] .sign::before { content: "+"; }
.faq-a { padding: 0 8px 26px 54px; color: var(--c-body); }
.faq-a[hidden] { display: none; }

/* 오시는 길 */
.map-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 28px; }
.map-card { padding: 30px; border: 1px solid var(--c-line); border-radius: var(--radius); background: #fff; }
.map-card h3 { margin: 0 0 16px; font-size: 1.25rem; }
.map-card h4 { margin: 24px 0 8px; font-size: 1rem; }
.map-card ul li { position: relative; padding-left: 12px; font-size: .94rem; }
.map-card ul li::before { content: "·"; position: absolute; left: 2px; }
.map-card dl { display: grid; grid-template-columns: 88px 1fr; gap: 10px 16px; margin: 0; font-size: .95rem; }
.map-card dt { color: var(--c-muted); font-weight: 600; }
.map-card dd { margin: 0; color: var(--c-ink); }

/* 수치 */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 24px; margin-top: 48px; }
.stats div { padding: 28px; border-radius: var(--radius); background: var(--c-bg-soft); text-align: center; }
.stats dt { color: var(--c-muted); font-size: .92rem; }
.stats dd { margin: 6px 0 0; font-size: clamp(1.7rem, 3.4vw, 2.3rem); font-weight: 800; color: var(--c-navy); }

/* 빈 목록 */
.empty { padding: 72px 20px; text-align: center; color: var(--c-muted); border: 1px dashed var(--c-line); border-radius: var(--radius); }

/* =========================================================
   푸터
   ========================================================= */
.site-footer { background: #1b2027; color: #a7b1bd; padding: 56px 0 40px; font-size: .92rem; }
.footer-top { display: flex; flex-wrap: wrap; gap: 40px; justify-content: space-between; padding-bottom: 32px; border-bottom: 1px solid #2d343d; }
/* flex 칸이 내용 너비만큼 버티면서 가로 스크롤을 만들지 않도록 */
.footer-top > * { min-width: 0; }
.footer-tel { color: #fff; font-size: 1.7rem; font-weight: 800; letter-spacing: .02em; }
.footer-tel a:hover { color: #ffb399; }
.footer-hours { margin-top: 8px; }
.footer-info { display: grid; gap: 4px 28px; max-width: 760px;
  grid-template-columns: repeat(auto-fit, minmax(min(260px, 100%), 1fr)); }
.footer-info b { color: #d7dee6; font-weight: 600; }
.footer-bottom { display: flex; flex-wrap: wrap; gap: 16px; justify-content: space-between; align-items: center; padding-top: 26px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 8px 20px; }
.footer-links a:hover { color: #fff; }
.copyright { color: #7d8893; font-size: .86rem; }

.to-top {
  position: fixed; right: 24px; bottom: 24px; z-index: 90;
  display: grid; place-items: center; width: 48px; height: 48px;
  border: 0; border-radius: 50%; background: rgba(15, 36, 64, .86); color: #fff;
  opacity: 0; visibility: hidden; transition: .25s var(--ease);
}
.to-top.is-shown { opacity: 1; visibility: visible; }
.to-top:hover { background: var(--c-accent); }
.to-top svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2; }

/* =========================================================
   반응형
   ========================================================= */
@media (max-width: 1180px) {
  :root { --header-h: 64px; }
  .gnb { display: none; }
  .nav-toggle { display: grid; }
  /* 상위 메뉴가 빠지므로 아이콘 묶음을 오른쪽 끝으로 */
  .header-util { margin-left: auto; margin-right: -8px; }
  .logo img { width: 150px; }
  .notice-grid { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 720px) {
  .wrap { width: calc(100% - 32px); }
  .hero { height: 86vh; min-height: 480px; }
  .hero-controls { bottom: 92px; }
  .timeline::before { left: 7px; }
  .timeline > li { grid-template-columns: 1fr; gap: 10px; padding-left: 32px; }
  .timeline .dot { left: 0; }
  .timeline .year { font-size: 1.25rem; }
  .board thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
  .board tr { display: block; padding: 16px 4px; border-bottom: 1px solid var(--c-line); }
  .board td { display: block; border: 0; padding: 2px 0; }
  .board td.title { font-weight: 600; color: var(--c-ink); }
  .map-card dl { grid-template-columns: 1fr; gap: 2px; }
  .map-card dt { margin-top: 10px; }
}

/* 히어로 배경 (슬라이드별) */
.hero-slide-1 { background-image: url("../img/hero1.jpg"); }
.hero-slide-2 { background-image: url("../img/hero2.jpg"); }
.hero-slide-3 { background-image: url("../img/hero3.jpg"); }

/* =========================================================
   게시판 상세 (view)
   ========================================================= */
.view { border-top: 2px solid var(--c-ink); }
.view-head { padding: 28px 4px 22px; border-bottom: 1px solid var(--c-line); }
.view-head h2 { font-size: clamp(1.25rem, 2.6vw, 1.7rem); margin: 0 0 12px; letter-spacing: -.01em; }
.view-meta { display: flex; flex-wrap: wrap; gap: 6px 10px; margin: 0; font-size: .9rem; color: var(--c-muted); }
.view-meta dt { font-weight: 600; }
.view-meta dt::after { content: ""; }
.view-meta dd { margin: 0 14px 0 0; }

.view-body { padding: 32px 4px 8px; }
.view-body > .lead { margin-bottom: 28px; }
.view-body h3 {
  margin: 38px 0 14px; padding-left: 16px; font-size: 1.15rem;
  border-left: 4px solid var(--c-accent-bright); line-height: 1.4;
}
.view-body > h3:first-child { margin-top: 0; }
.view-body table.board { margin: 8px 0 4px; }

/* 기능 설명 목록 */
.feature { margin: 0; }
.feature dt {
  margin-top: 18px; color: var(--c-ink); font-weight: 700;
}
.feature dt::before { content: "▪ "; color: var(--c-accent); }
.feature dd { margin: 4px 0 0 16px; color: var(--c-body); }

.dash li, .linklist li { position: relative; padding-left: 16px; margin-bottom: 6px; }
.dash li::before { content: "–"; position: absolute; left: 0; color: var(--c-muted); }
.linklist li::before { content: "↗"; position: absolute; left: 0; color: var(--c-accent); }
.linklist a { color: var(--c-accent); font-weight: 600; }

/* 이미지 묶음 */
.gallery {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px; padding: 28px 4px 8px;
}
.gallery figure { margin: 0; border: 1px solid var(--c-line); border-radius: var(--radius); overflow: hidden; background: var(--c-bg-soft); }
.gallery img { display: block; width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4 / 3; }
.gallery:has(figure:only-child) { grid-template-columns: minmax(0, 720px); }
.gallery:has(figure:only-child) img { aspect-ratio: auto; height: auto; object-fit: contain; }

/* 이전 글 / 다음 글 */
.post-nav { margin-top: 44px; border-top: 1px solid var(--c-line); }
.post-nav li { display: flex; gap: 18px; align-items: baseline; padding: 16px 4px; border-bottom: 1px solid var(--c-line); }
.post-nav li > span { flex: 0 0 68px; color: var(--c-muted); font-size: .88rem; font-weight: 600; }
.post-nav li > span::before { margin-right: 6px; color: var(--c-accent); }
.post-nav .prev > span::before { content: "↑"; }
.post-nav .next > span::before { content: "↓"; }
.post-nav a { color: var(--c-ink); }
.post-nav a:hover, .post-nav a:focus-visible { color: var(--c-accent); }
.post-back { margin-top: 32px; text-align: center; }

/* 카드 변형 */
.card-grid-sm { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 22px; }
.card-meta { display: flex; flex-wrap: wrap; gap: 4px 14px; margin: 0; color: var(--c-muted); font-size: .88rem; }

/* 클라이언트 로고 */
.clients li.has-logo { display: flex; flex-direction: column; justify-content: center; gap: 12px; padding: 18px 16px; }
.clients li.has-logo img { max-height: 46px; width: auto; max-width: 100%; object-fit: contain; }
.client-cap { color: var(--c-muted); font-size: .84rem; font-weight: 400; line-height: 1.35; }

@media (max-width: 720px) {
  .gallery { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
  .post-nav li { flex-direction: column; gap: 4px; }
  .post-nav li > span { flex: none; }
}


/* =========================================================
   원본 이미지 열기 / 관련 링크 / 지도
   ========================================================= */
.gallery a.zoom { display: block; position: relative; height: 100%; }
.gallery a.zoom::after {
  content: ""; position: absolute; right: 8px; bottom: 8px;
  width: 30px; height: 30px; border-radius: 7px;
  background-color: rgba(9, 26, 47, .82);
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='2.1' stroke-linecap='round'%3E%3Ccircle cx='10.5' cy='10.5' r='6.5'/%3E%3Cpath d='M15.4 15.4 L20 20'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: center; background-size: 17px 17px;
  transition: background-color .18s var(--ease), transform .18s var(--ease);
}
.gallery a.zoom:hover::after,
.gallery a.zoom:focus-visible::after { background-color: var(--c-accent); transform: scale(1.08); }
.gallery a.zoom:hover img { opacity: .92; }

.view-link {
  margin-top: 30px; padding: 22px 24px;
  background: var(--c-bg-soft); border: 1px solid var(--c-line); border-radius: var(--radius);
}
.view-link h3 { margin: 0 0 10px; padding: 0; border: 0; font-size: 1rem; }
.view-link p { margin: 0; }
.view-link a { color: var(--c-accent); font-weight: 600; }

/* 지도 끼워넣기 */
.map-embed {
  margin-bottom: 22px; border: 1px solid var(--c-line); border-radius: var(--radius);
  overflow: hidden; background: var(--c-bg-soft);
}
.map-embed iframe { display: block; width: 100%; height: 300px; border: 0; }