/* ==========================================================
   serimice 홈페이지 v2 — 밝고 깔끔한 레이아웃 + 모션
   (참고: toss.im / kakaocorp / naver business / flex)
   ========================================================== */
:root {
  --ink: #191f28;
  --text: #333d4b;
  --sub: #6b7684;
  --dim: #8b95a1;
  --faint: #b0b8c1;
  --line: #e5e8eb;
  --bg: #ffffff;
  --bg2: #f9fafb;
  --bg3: #f2f4f6;
  --yellow: #f7d43b;
  --radius: 24px;
  --radius-sm: 16px;
  --shadow: 0 2px 8px rgba(25,31,40,.04), 0 16px 40px rgba(25,31,40,.06);
  --shadow-hover: 0 4px 12px rgba(25,31,40,.06), 0 28px 60px rgba(25,31,40,.12);
  --container: 1200px;
  --header-h: 76px;
  --font: 'Pretendard Variable', Pretendard, 'Apple SD Gothic Neo', 'Malgun Gothic', 'Noto Sans KR', sans-serif;
  --ease: cubic-bezier(.22, 1, .36, 1);
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: var(--font); font-size: 17px; line-height: 1.7;
  word-break: keep-all; overflow-wrap: break-word;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4, p, ul { margin: 0; }
ul { padding: 0; list-style: none; }
button { font-family: inherit; }
[hidden] { display: none !important; }
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 32px; }
.container.narrow { max-width: 880px; }
.center { text-align: center; }
.pc-only { display: inline; }

/* ---------- 타이포 ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 14px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; color: var(--dim);
  margin-bottom: 18px;
}
.eyebrow::before { content: ''; width: 24px; height: 2px; background: var(--ink); border-radius: 2px; }
.center .eyebrow::before { display: none; }
.h1 { font-size: 60px; font-weight: 800; line-height: 1.18; letter-spacing: -1.8px; color: var(--ink); }
.h2 { font-size: 44px; font-weight: 800; line-height: 1.25; letter-spacing: -1.2px; color: var(--ink); }
.h3 { font-size: 26px; font-weight: 700; line-height: 1.35; letter-spacing: -.5px; color: var(--ink); }
.lead { font-size: 20px; line-height: 1.75; color: var(--sub); }
.section-head { max-width: 760px; margin-bottom: 56px; }
.section-head.center { margin-left: auto; margin-right: auto; }
.section-head .lead { margin-top: 20px; }

/* ---------- 버튼 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 26px; border-radius: 999px; border: 1px solid transparent;
  font-size: 16px; font-weight: 700; line-height: 1.3; cursor: pointer;
  background: var(--ink); color: #fff;
  transition: transform .25s var(--ease), background .2s, box-shadow .25s;
}
.btn:hover { background: #333d4b; transform: translateY(-2px); box-shadow: 0 10px 24px rgba(25,31,40,.18); }
.btn:active { transform: translateY(0); }
.btn-lg { padding: 18px 34px; font-size: 17px; }
.btn-sm { padding: 10px 18px; font-size: 14px; }
.btn-secondary { background: var(--bg3); color: var(--ink); }
.btn-secondary:hover { background: #e5e8eb; box-shadow: none; }
.btn-white { background: #fff; color: var(--ink); }
.btn-white:hover { background: #f2f4f6; }
.btn-outline { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-outline:hover { background: var(--bg2); box-shadow: none; }
.btn .arrow { transition: transform .25s var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }
.btn-row { display: flex; gap: 12px; flex-wrap: wrap; }

/* ---------- 헤더 ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100; height: var(--header-h);
  background: rgba(255,255,255,.72); backdrop-filter: saturate(180%) blur(16px); -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid transparent; transition: border-color .3s, background .3s, height .3s;
}
.site-header.scrolled { border-bottom-color: var(--line); background: rgba(255,255,255,.9); }
main { padding-top: var(--header-h); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 100%; }
.logo img { width: 128px; height: auto; }
.gnb ul { display: flex; align-items: center; gap: 4px; }
.gnb a {
  display: block; padding: 10px 16px; border-radius: 999px; font-size: 16px; font-weight: 600; color: var(--text);
  transition: background .2s, color .2s;
}
.gnb a:hover { background: var(--bg3); color: var(--ink); }
.gnb li.active a { color: var(--ink); }
.gnb li.nav-cta a { margin-left: 12px; background: var(--ink); color: #fff; padding: 10px 20px; }
.gnb li.nav-cta a:hover { background: #333d4b; }
.menu-btn {
  display: none; width: 44px; height: 44px; border: 0; background: none; cursor: pointer;
  flex-direction: column; justify-content: center; gap: 6px; align-items: center; padding: 0;
}
.menu-btn span { display: block; width: 24px; height: 2px; background: var(--ink); border-radius: 2px; transition: transform .3s, opacity .3s; }
.mobile-menu {
  position: fixed; inset: 0; z-index: 200; background: #fff; padding: 0 24px 40px; overflow-y: auto;
  animation: fadeIn .25s var(--ease);
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.mobile-menu-head { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.mobile-menu-head .logo img { width: 110px; }
.menu-close { border: 0; background: var(--bg3); border-radius: 50%; width: 40px; height: 40px; font-size: 24px; line-height: 1; cursor: pointer; color: var(--ink); }
.mobile-menu ul { margin-top: 20px; }
.mobile-menu li a { display: block; padding: 18px 4px; font-size: 24px; font-weight: 700; color: var(--ink); border-bottom: 1px solid var(--line); }
.mobile-menu li.nav-cta a { border: 0; margin-top: 20px; background: var(--ink); color: #fff; border-radius: 16px; text-align: center; font-size: 18px; padding: 18px; }

/* ---------- 섹션 공통 ---------- */
.section { padding: 140px 0; }
.section.tight { padding: 100px 0; }
.section.bg2 { background: var(--bg2); }
.section.bg3 { background: var(--bg3); }

/* ---------- 홈: 히어로 ---------- */
.hero { position: relative; padding: 80px 0 60px; overflow: hidden; }
.hero::before {
  content: ''; position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(60% 50% at 85% 20%, rgba(247,212,59,.18), transparent 70%),
    radial-gradient(50% 40% at 10% 80%, rgba(25,31,40,.06), transparent 70%);
}
.hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 60px; align-items: center; }
.hero-copy .eyebrow { margin-bottom: 26px; }
.hero-copy .h1 { margin-bottom: 26px; }
.hero-copy .h1 .accent { position: relative; white-space: nowrap; }
.hero-copy .h1 .accent::after { content: ''; position: absolute; left: 0; right: 0; bottom: 6px; height: 14px; background: var(--yellow); z-index: -1; border-radius: 4px; opacity: .7; }
.hero-copy .lead { max-width: 520px; margin-bottom: 36px; }
.hero-visual { position: relative; }
.hero-img {
  border-radius: 32px; overflow: hidden; aspect-ratio: 4 / 3; box-shadow: var(--shadow-hover);
  transform: translateY(0); will-change: transform;
}
.hero-img img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.06); }
.chip {
  position: absolute; display: flex; align-items: center; gap: 10px;
  background: rgba(255,255,255,.92); backdrop-filter: blur(10px); border-radius: 18px; padding: 14px 18px;
  box-shadow: var(--shadow-hover); font-size: 15px; color: var(--sub); font-weight: 600;
  animation: float 5s ease-in-out infinite;
}
.chip b { color: var(--ink); font-size: 20px; font-weight: 800; letter-spacing: -.5px; }
.chip .ico { font-size: 22px; }
.chip-1 { left: -28px; bottom: 44px; }
.chip-2 { right: -20px; top: 36px; animation-delay: -2.5s; }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
.scroll-hint { display: flex; justify-content: center; margin-top: 70px; color: var(--faint); font-size: 13px; letter-spacing: 1px; }
.scroll-hint span { display: inline-block; animation: bob 1.6s ease-in-out infinite; }
@keyframes bob { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(6px); } }

/* ---------- 고객 로고 흐름 ---------- */
.logo-strip { padding: 22px 0; background: var(--bg2); overflow: hidden; }
.marquee { display: flex; overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); }
.marquee-track { display: flex; gap: 64px; padding-right: 64px; align-items: center; animation: marquee 40s linear infinite; flex-shrink: 0; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track img { height: 40px; width: auto; opacity: .65; filter: grayscale(1); transition: opacity .2s, filter .2s; }
.marquee-track img:hover { opacity: 1; filter: none; }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-100%); } }

/* ---------- 홈: VALUE ---------- */
.value-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.stats { display: flex; gap: 20px; margin-top: 44px; }
.stat {
  flex: 1; background: var(--bg2); border-radius: var(--radius); padding: 30px 32px;
  transition: transform .3s var(--ease), box-shadow .3s;
}
.stat:hover { transform: translateY(-4px); box-shadow: var(--shadow); background: #fff; }
.stat-label { font-size: 15px; color: var(--sub); font-weight: 600; display: flex; align-items: center; gap: 6px; }
.stat-value { font-size: 52px; font-weight: 800; line-height: 1.1; letter-spacing: -2px; color: var(--ink); margin-top: 8px; }
.stat-value .unit { font-size: 22px; font-weight: 700; margin-left: 2px; letter-spacing: 0; }
.stat-value .plus { color: var(--ink); font-size: 34px; font-weight: 700; margin-left: 2px; }
.photo-strip { margin-top: 90px; overflow: hidden; }
.photo-strip .marquee { -webkit-mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent); mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent); }
.photo-track { gap: 16px; padding-right: 16px; animation-duration: 55s; }
.photo { display: block; width: 340px; height: 240px; border-radius: 20px; overflow: hidden; background: var(--bg3); flex-shrink: 0; }
.photo-track img, .photo img { width: 100%; height: 100%; object-fit: cover; opacity: 1; filter: none; transition: transform .6s var(--ease); }
.photo:hover img { transform: scale(1.05); }
/* ---------- 게시글 카드 ---------- */
.post-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.post-card {
  display: block; background: #fff; border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--line);
  transition: transform .35s var(--ease), box-shadow .35s, border-color .35s;
}
.post-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: transparent; }
.post-thumb { aspect-ratio: 1 / 1; background: var(--bg3) center / cover no-repeat; transition: transform .6s var(--ease); }
.post-card:hover .post-thumb { transform: scale(1.03); }
.post-body { padding: 22px 24px 26px; }
.post-date { font-size: 13px; color: var(--dim); font-weight: 600; margin-bottom: 8px; display: flex; gap: 8px; align-items: center; }
.post-title { display: block; font-size: 17px; font-weight: 700; line-height: 1.45; color: var(--ink); }
.badge { display: inline-block; font-style: normal; font-size: 11px; font-weight: 700; line-height: 1; padding: 5px 8px; background: var(--ink); color: #fff; border-radius: 999px; }
.section-foot { margin-top: 56px; text-align: center; }

/* ---------- 홈: OPERATIONS ---------- */
.services-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.service-item {
  background: #fff; border-radius: var(--radius); padding: 30px 28px; border: 1px solid transparent;
  transition: transform .35s var(--ease), box-shadow .35s;
}
.service-item:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.service-item .ico { width: 52px; height: 52px; border-radius: 16px; background: var(--bg3); display: flex; align-items: center; justify-content: center; font-size: 26px; margin-bottom: 22px; }
.service-item h3 { font-size: 19px; font-weight: 700; color: var(--ink); line-height: 1.4; margin-bottom: 14px; letter-spacing: -.3px; }
.service-item ul li { position: relative; padding-left: 14px; font-size: 14.5px; color: var(--sub); line-height: 1.6; margin-bottom: 4px; }
.service-item ul li::before { content: ''; position: absolute; left: 0; top: 10px; width: 5px; height: 5px; border-radius: 50%; background: var(--faint); }

/* ---------- 홈: CLIENTS ---------- */
.clients { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.client {
  display: flex; align-items: center; justify-content: center; background: var(--bg2); border-radius: var(--radius-sm);
  padding: 26px 20px; min-height: 110px; transition: background .25s, transform .3s var(--ease);
}
.client:hover { background: #fff; box-shadow: var(--shadow); transform: translateY(-3px); }
.client img { max-width: 170px; width: 100%; opacity: .85; }

/* ---------- CTA ---------- */
.cta { position: relative; padding: 140px 0; text-align: center; background: var(--ink); color: #fff; overflow: hidden; }
.cta-bg { position: absolute; inset: 0; background-size: cover; background-position: 50% 50%; opacity: .18; transform: scale(1.05); }
.cta::after { content: ''; position: absolute; inset: 0; background: radial-gradient(60% 60% at 50% 100%, rgba(247,212,59,.15), transparent 70%); }
.cta-inner { position: relative; z-index: 1; }
.cta .eyebrow { color: rgba(255,255,255,.55); }
.cta .eyebrow::before { background: rgba(255,255,255,.5); }
.cta .h2 { color: #fff; }
.cta .lead { color: rgba(255,255,255,.7); margin-top: 20px; }
.cta .btn-row { justify-content: center; margin-top: 40px; }

/* ---------- 푸터 ---------- */
.site-footer { background: var(--bg2); padding: 64px 0 48px; font-size: 14px; color: var(--sub); border-top: 1px solid var(--line); }
.footer-grid { display: flex; justify-content: space-between; gap: 40px; align-items: flex-start; flex-wrap: wrap; }
.footer-brand img { width: 120px; margin-bottom: 18px; }
.footer-brand p { line-height: 1.8; }
.footer-nav { display: flex; gap: 28px; font-weight: 600; color: var(--text); }
.footer-nav a:hover { color: var(--ink); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--line); flex-wrap: wrap; gap: 12px; font-size: 13px; color: var(--dim); }
.sns a { display: inline-flex; width: 36px; height: 36px; align-items: center; justify-content: center; border-radius: 50%; background: #fff; border: 1px solid var(--line); color: var(--text); transition: background .2s, color .2s; }
.sns a:hover { background: var(--ink); color: #fff; }

/* ---------- 페이지 머리 (서브 페이지) ---------- */
.page-head { padding: 90px 0 60px; }
.page-head .h1 { font-size: 52px; }
.page-head .lead { margin-top: 20px; max-width: 700px; }

/* ---------- 회사소개 ---------- */
.about-hero { padding: 90px 0 0; }
.about-hero .h1 { max-width: 900px; }
.about-hero-img { margin-top: 60px; border-radius: 32px; overflow: hidden; aspect-ratio: 21 / 9; box-shadow: var(--shadow-hover); }
.about-hero-img img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.08); }
.two-col { display: grid; grid-template-columns: 1fr 1.2fr; gap: 80px; align-items: start; }
.two-col .sticky { position: sticky; top: 120px; }
.what-body h3 { margin-bottom: 20px; }
.what-body p { color: var(--sub); font-size: 18px; line-height: 1.85; }
.what-img { margin-top: 36px; border-radius: var(--radius); overflow: hidden; aspect-ratio: 3 / 2; }
.what-img img { width: 100%; height: 100%; object-fit: cover; }
.how-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.how-item { background: #fff; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); transition: transform .35s var(--ease), box-shadow .35s; }
.how-item:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.how-img { aspect-ratio: 4 / 3; overflow: hidden; background: var(--bg3); }
.how-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.how-item:hover .how-img img { transform: scale(1.05); }
.how-body { padding: 26px 28px 30px; }
.how-no { display: inline-flex; width: 32px; height: 32px; border-radius: 50%; background: var(--ink); color: #fff; align-items: center; justify-content: center; font-weight: 800; font-size: 14px; margin-bottom: 16px; }
.how-body h3 { font-size: 20px; font-weight: 700; color: var(--ink); margin-bottom: 10px; line-height: 1.4; }
.how-body p { color: var(--sub); font-size: 15.5px; }
.timeline { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; position: relative; margin-top: 20px; }
.timeline::before { content: ''; position: absolute; left: 0; right: 0; top: 11px; height: 2px; background: var(--line); }
.tl-item { position: relative; padding-top: 40px; }
.tl-item::before { content: ''; position: absolute; left: 0; top: 4px; width: 16px; height: 16px; border-radius: 50%; background: #fff; border: 3px solid var(--ink); box-sizing: border-box; }
.tl-item:last-child::before { background: var(--yellow); }
.tl-year { font-size: 44px; font-weight: 800; letter-spacing: -1.5px; color: var(--ink); line-height: 1; margin-bottom: 12px; }
.tl-desc { color: var(--sub); font-size: 15.5px; line-height: 1.6; }

/* ---------- 행사진행 목록 ---------- */
.board-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.search { display: flex; align-items: center; background: var(--bg3); border-radius: 999px; padding: 4px 6px 4px 20px; transition: box-shadow .2s, background .2s; }
.search:focus-within { background: #fff; box-shadow: 0 0 0 2px var(--ink); }
.search input { background: none; border: 0; font: inherit; font-size: 15px; padding: 10px 4px; width: 220px; outline: none; color: var(--ink); }
.search input::placeholder { color: var(--dim); }
.search button { background: var(--ink); color: #fff; border: 0; border-radius: 50%; width: 38px; height: 38px; cursor: pointer; display: inline-flex; align-items: center; justify-content: center; }
.year-tabs { display: flex; gap: 8px; flex-wrap: wrap; margin: -30px 0 44px; }
.year-tabs a { display: inline-flex; align-items: center; gap: 6px; padding: 10px 18px; border-radius: 999px; background: var(--bg3); color: var(--text); font-weight: 700; font-size: 15px; transition: background .2s, color .2s, transform .25s var(--ease); }
.year-tabs a span { font-size: 12px; font-weight: 600; color: var(--dim); }
.year-tabs a:hover { background: var(--line); transform: translateY(-2px); }
.year-tabs a.active { background: var(--ink); color: #fff; }
.year-tabs a.active span { color: rgba(255,255,255,.6); }
.search-info { margin: -20px 0 40px; color: var(--sub); }
.search-info a { margin-left: 8px; text-decoration: underline; }
.board-list { padding-bottom: 140px; }
.empty { padding: 100px 0; text-align: center; color: var(--dim); font-size: 18px; }
.pagination { display: flex; justify-content: center; gap: 6px; margin-top: 64px; flex-wrap: wrap; }
.pagination a {
  min-width: 42px; height: 42px; display: inline-flex; align-items: center; justify-content: center; padding: 0 10px;
  border-radius: 999px; font-size: 15px; font-weight: 600; color: var(--sub); transition: background .2s, color .2s;
}
.pagination a:hover { background: var(--bg3); color: var(--ink); }
.pagination a.active { background: var(--ink); color: #fff; }
.pagination a.disabled { opacity: .3; pointer-events: none; }

/* ---------- 글 보기 ---------- */
.view-head { padding: 80px 0 40px; text-align: center; }
.view-cat { display: inline-block; font-size: 13px; font-weight: 700; color: var(--sub); background: var(--bg3); border-radius: 999px; padding: 6px 14px; margin-bottom: 20px; }
.view-title { font-size: 40px; font-weight: 800; line-height: 1.3; letter-spacing: -1px; color: var(--ink); }
.view-date { margin-top: 16px; color: var(--dim); font-weight: 600; }
.view-body { padding: 20px 0 60px; }
.view-text { font-size: 18px; line-height: 1.9; margin-bottom: 40px; }
.view-img { margin: 0 0 16px; border-radius: 20px; overflow: hidden; }
.view-img img { margin: 0 auto; }
.view-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 40px; }
.view-nav a { display: block; background: var(--bg2); border-radius: var(--radius-sm); padding: 20px 24px; transition: background .2s; }
.view-nav a:hover { background: var(--bg3); }
.view-nav .nav-label { display: block; font-size: 13px; color: var(--dim); font-weight: 600; margin-bottom: 6px; }
.view-nav .nav-title { display: block; font-weight: 700; color: var(--ink); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.view-nav a.next { text-align: right; }

/* ---------- 문의하기 ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 60px; align-items: start; padding-bottom: 140px; }
.contact-info { position: sticky; top: 120px; }
.contact-panel { background: var(--bg2); border-radius: var(--radius); padding: 34px 32px; }
.contact-panel .h3 { font-size: 22px; margin-bottom: 6px; }
.panel-sub { color: var(--sub); font-size: 15px; margin-bottom: 22px; }
.info-list li { display: flex; gap: 14px; align-items: flex-start; padding: 16px 0; border-top: 1px solid var(--line); }
.info-list li:last-child { border-bottom: 1px solid var(--line); }
.info-list .ico { width: 38px; height: 38px; border-radius: 12px; background: #fff; display: flex; align-items: center; justify-content: center; font-size: 18px; flex-shrink: 0; }
.info-list .lbl { display: block; font-size: 13px; color: var(--dim); font-weight: 600; margin-bottom: 2px; }
.info-list .val { display: block; font-size: 16px; color: var(--ink); font-weight: 700; line-height: 1.5; }
.info-list a.val:hover { text-decoration: underline; }
.panel-note { margin-top: 18px; font-size: 13.5px; color: var(--sub); line-height: 1.6; }
.form-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 40px; box-shadow: var(--shadow); }
.form-group { margin-bottom: 24px; }
.form-group > label { display: block; font-size: 14px; font-weight: 700; color: var(--ink); margin-bottom: 10px; }
.req { color: #f04452; font-style: normal; margin-left: 2px; }
.contact-form input[type=text], .contact-form input[type=tel], .contact-form select, .contact-form textarea {
  width: 100%; background: var(--bg2); color: var(--ink); border: 1px solid var(--line); border-radius: 14px;
  font: inherit; font-size: 16px; padding: 14px 16px; outline: none; transition: border-color .2s, background .2s, box-shadow .2s;
}
.contact-form textarea { resize: vertical; min-height: 180px; }
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { background: #fff; border-color: var(--ink); box-shadow: 0 0 0 3px rgba(25,31,40,.08); }
.phone { display: flex; align-items: center; gap: 8px; max-width: 420px; }
.phone input { text-align: center; }
.phone span { color: var(--faint); }
.select-wrap { position: relative; max-width: 420px; }
.select-wrap select { appearance: none; -webkit-appearance: none; padding-right: 40px; }
.select-wrap::after { content: ''; position: absolute; right: 18px; top: 50%; width: 8px; height: 8px; border-right: 2px solid var(--sub); border-bottom: 2px solid var(--sub); transform: translateY(-70%) rotate(45deg); pointer-events: none; }
.privacy-box { height: 160px; overflow-y: auto; background: var(--bg2); color: var(--sub); border: 1px solid var(--line); border-radius: 14px; padding: 16px 18px; font-size: 12.5px; line-height: 1.7; margin-bottom: 14px; }
.check { display: flex; align-items: center; gap: 10px; font-size: 15px; cursor: pointer; font-weight: 600; color: var(--ink); }
.check input { width: 20px; height: 20px; accent-color: var(--ink); }
.hp { position: absolute; left: -9999px; }
.form-errors { background: #fdecec; color: #c0262f; padding: 16px 20px; border-radius: 14px; margin-bottom: 24px; }
.form-errors ul { padding-left: 18px; list-style: disc; }
.form-done { text-align: center; padding: 30px 0 10px; }
.form-done .ico { font-size: 56px; margin-bottom: 14px; }
.form-done-title { font-size: 26px; font-weight: 800; color: var(--ink); margin-bottom: 8px; }
.form-done p { color: var(--sub); }
.form-done .btn { margin-top: 26px; }

/* ---------- 라이트박스 ---------- */
.lightbox { position: fixed; inset: 0; z-index: 300; background: rgba(25,31,40,.94); display: flex; align-items: center; justify-content: center; animation: fadeIn .2s; }
.lightbox img { max-width: 92vw; max-height: 90vh; object-fit: contain; border-radius: 12px; }
.lightbox button { position: absolute; background: rgba(255,255,255,.1); border: 0; color: #fff; cursor: pointer; font-size: 28px; line-height: 1; width: 52px; height: 52px; border-radius: 50%; transition: background .2s; }
.lightbox button:hover { background: rgba(255,255,255,.25); }
.lightbox-close { top: 20px; right: 20px; }
.lightbox-prev { left: 20px; top: 50%; transform: translateY(-50%); }
.lightbox-next { right: 20px; top: 50%; transform: translateY(-50%); }

/* ---------- 모션 ---------- */
.reveal { opacity: 0; transform: translateY(32px); transition: opacity .8s var(--ease), transform .8s var(--ease); transition-delay: var(--d, 0s); }
.reveal.in { opacity: 1; transform: none; }
.stagger > * { opacity: 0; transform: translateY(28px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.stagger.in > * { opacity: 1; transform: none; }
.stagger.in > *:nth-child(1) { transition-delay: .05s; } .stagger.in > *:nth-child(2) { transition-delay: .12s; }
.stagger.in > *:nth-child(3) { transition-delay: .19s; } .stagger.in > *:nth-child(4) { transition-delay: .26s; }
.stagger.in > *:nth-child(5) { transition-delay: .33s; } .stagger.in > *:nth-child(6) { transition-delay: .40s; }
.stagger.in > *:nth-child(7) { transition-delay: .47s; } .stagger.in > *:nth-child(8) { transition-delay: .54s; }
.stagger.in > *:nth-child(9) { transition-delay: .61s; } .stagger.in > *:nth-child(n+10) { transition-delay: .68s; }
@media (prefers-reduced-motion: reduce) {
  .reveal, .stagger > * { opacity: 1; transform: none; transition: none; }
  .chip, .marquee-track, .scroll-hint span { animation: none; }
}

/* ---------- 반응형 ---------- */
@media (max-width: 1100px) {
  .h1 { font-size: 50px; }
  .h2 { font-size: 38px; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .clients { grid-template-columns: repeat(3, 1fr); }
  .hero-grid { gap: 40px; }
  .chip-1 { left: -10px; }
  .chip-2 { right: -8px; }
}
@media (max-width: 900px) {
  .section { padding: 100px 0; }
  .hero-grid, .value-grid, .two-col, .contact-grid { grid-template-columns: 1fr; }
  .hero { padding: 40px 0 40px; }
  .hero-visual { margin-top: 10px; }
  .two-col .sticky, .contact-info { position: static; }
  .post-grid, .how-grid { grid-template-columns: repeat(2, 1fr); }
  .timeline { grid-template-columns: repeat(2, 1fr); row-gap: 40px; }
  .timeline::before { display: none; }
  .page-head .h1 { font-size: 40px; }
  .view-title { font-size: 30px; }
}
@media (max-width: 768px) {
  :root { --header-h: 64px; }
  body { font-size: 16px; }
  .container { padding: 0 20px; }
  .pc-only { display: none; }
  .gnb { display: none; }
  .menu-btn { display: flex; }
  .logo img { width: 110px; }
  .h1 { font-size: 36px; letter-spacing: -1px; }
  .h2 { font-size: 28px; letter-spacing: -.6px; }
  .h3 { font-size: 22px; }
  .lead { font-size: 17px; }
  .section { padding: 72px 0; }
  .section-head { margin-bottom: 36px; }
  .hero-copy .h1 .accent::after { height: 10px; bottom: 3px; }
  .hero-img { border-radius: 22px; }
  .chip { padding: 10px 14px; font-size: 13px; border-radius: 14px; }
  .chip b { font-size: 16px; }
  .chip-1 { left: 8px; bottom: -14px; }
  .chip-2 { right: 8px; top: -14px; }
  .scroll-hint { display: none; }
  .marquee-track { gap: 40px; padding-right: 40px; }
  .marquee-track img { height: 34px; }
  .stats { flex-direction: column; gap: 12px; }
  .stat-value { font-size: 40px; }
  .photo-strip { margin-top: 48px; }
  .photo-track { gap: 10px; padding-right: 10px; }
  .photo { width: 220px; height: 156px; border-radius: 14px; }
  .post-grid { grid-template-columns: 1fr; gap: 18px; }
  .services-grid, .how-grid, .timeline { grid-template-columns: 1fr; }
  .clients { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .client { min-height: 84px; padding: 18px 14px; }
  .cta { padding: 90px 0; }
  .site-footer { padding: 48px 0 36px; }
  .footer-grid { flex-direction: column; gap: 24px; }
  .footer-nav { gap: 18px; flex-wrap: wrap; }
  .page-head { padding: 50px 0 36px; }
  .page-head .h1 { font-size: 32px; }
  .about-hero { padding-top: 50px; }
  .about-hero-img { margin-top: 32px; border-radius: 20px; aspect-ratio: 4 / 3; }
  .two-col { gap: 40px; }
  .what-body p { font-size: 16px; }
  .tl-year { font-size: 36px; }
  .board-head { flex-direction: column; align-items: stretch; }
  .search { width: 100%; }
  .search input { width: 100%; }
  .year-tabs { margin: -10px 0 28px; gap: 6px; }
  .year-tabs a { padding: 8px 14px; font-size: 14px; }
  .view-head { padding: 50px 0 24px; }
  .view-title { font-size: 24px; }
  .view-nav { grid-template-columns: 1fr; }
  .view-nav a.next { text-align: left; }
  .form-card { padding: 24px 20px; }
  .contact-grid { gap: 32px; padding-bottom: 80px; }
}