/* =========================================================
   research.ebiweb.co.kr — 공용 스타일 (모든 페이지 공통)
   CSS 변수 · base reset · 헤더(header.html) · 푸터(footer.html)
   각 페이지 전용 CSS(index.css / lab.css …)보다 먼저 로드된다.
   ========================================================= */

:root {
  --lab: #8F98D9;
  --center: #A9BCE5;
  --dept: #A9CEC8;
  --red: #D98FA8;
  --ink: #272A38;
  --muted: #7F8495;
  --line: rgba(116,126,160,.16);
  --soft: #F4F5F8;
  --glass: rgba(255,255,255,.46);
  --glass-strong: rgba(255,255,255,.64);
  --glass-border: rgba(255,255,255,.72);
  --shadow-soft: 0 24px 70px rgba(90,100,145,.14);
  --shadow-card: 0 18px 48px rgba(85,96,140,.12);
  --max: 1400px;
  /* ----- 라운드(모서리 반경) 스케일 — 전 페이지 공용 ----- */
  --radius-xl: clamp(28px,2vw,36px);   /* 큰 패널·히어로 카드 */
  --radius-lg: clamp(20px,2vw,28px);   /* 일반 카드 */
  --radius-md: clamp(16px,1.5vw,20px);   /* 작은 박스·입력 */
  /* ----- 브랜드 색 단일 소스 (메인 /index 기준) — 전 페이지 공용 ----- */
  --brand-grad: linear-gradient(90deg, #6357B5 0%, #8A5FBB 55%, #C25A8E 100%); /* 로고 그라데이션(좌 라벤더→우 핑크) = 제목 강조 텍스트·핵심 액센트 */
  --brand-fill: linear-gradient(135deg, #5E69C2, #7A66C8);                       /* 배지·nav 활성·번호 배경(흰 글자) */
  --brand-deep: #5E69C2;                                                         /* 솔리드 액센트 텍스트/번호 */
  --brand-eyebrow: #7079C5;                                                      /* eyebrow 공통 */
  /* ----- 박스 패딩 단일 소스 (테두리·라운드 들어가는 박스형) — 전 페이지 공용 ----- */
  --pad-box: clamp(20px, 4vw, 40px);      /* 작은 박스(그리드 카드 등) */
  --pad-box-lg: clamp(30px, 4vw, 60px);   /* 큰 박스(독립 패널 등) */
  /* ----- CTA·다크 카드 배경 단일 소스 — 전 페이지 공용 ----- */
  --cta-bg: #151d3b;
  --hot: linear-gradient(315deg, #e68dab, #7b6ebc);
  --hot2: linear-gradient(135deg,#818ACF,#737CC1);
  --hot2-shadow: rgba(82, 91, 115, .30);
}

/* ---------- base ---------- */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: 'Pretendard Variable', Pretendard, -apple-system, 'Apple SD Gothic Neo', sans-serif; color: var(--ink); background: #F4F5F8; font-size: 16px; line-height: 1.7; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
img { max-width: 100%; display: block; }
.wrap { width: min(calc(100% - 48px), var(--max)); margin: auto; }
.skip-link { position: absolute; left: -999px; top: 0; z-index: 50; background: var(--lab); color: #fff; padding: 10px 16px; }

/* 맨 위로 버튼 — 우측 세로 중앙 고정, 스크롤 시에만 표시 */
.to-top { position: fixed; right: clamp(14px, 2vw, 28px); top: 50%; z-index: 60; width: 48px; height: 48px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.7); border-radius: 50%; background: var(--brand-fill); color: #fff; box-shadow: 0 14px 32px rgba(72,80,130,.28); cursor: pointer; opacity: 0; visibility: hidden; pointer-events: none; transform: translateY(-50%) translateX(14px); transition: opacity .25s ease, transform .25s ease, visibility .25s, background .2s ease; }
.to-top.is-visible { opacity: 1; visibility: visible; pointer-events: auto; transform: translateY(-50%) translateX(0); }
.to-top:hover { background: var(--brand-deep); transform: translateY(-50%) translateX(0) scale(1.06); }
.to-top svg { width: 24px; height: 24px; display: block; }

/* 공용 FAQ 아코디언 — 전 페이지(index·lab·center·dept·portfolio) 동일 스타일 */
.faq-list { display: grid; gap: 12px; }
.faq-list details { border: 1px solid rgba(255,255,255,.72); border-radius: var(--radius-lg); background: rgba(255,255,255,.62); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); box-shadow: 0 14px 36px rgba(79,88,143,.08); overflow: hidden; }
.faq-list summary { display: flex; align-items: center; gap: 14px; list-style: none; cursor: pointer; padding: 24px 28px; color: var(--ink); font-size: clamp(16px,1.5vw,18px); font-weight: 600; line-height:1.4; letter-spacing: -.025em; word-break: keep-all; transition: color .2s ease; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::before { content: ""; flex: 0 0 auto; width: 24px; height: 24px; background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%235E69C2'%3E%3Cpath d='M19 13h-6v6h-2v-6H5v-2h6V5h2v6h6z'/%3E%3C/svg%3E") center / contain no-repeat; transition: transform .25s ease; }
.faq-list details[open] summary { color: var(--brand-deep); font-weight: 700; }
.faq-list details[open] summary::before { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%235E69C2'%3E%3Cpath d='M19 13H5v-2h14z'/%3E%3C/svg%3E"); transform: rotate(180deg); }
.faq-list details p, .faq-list .faq-answer { margin: 0; padding: 0 28px 24px 66px; color: var(--muted); font-size: 16px; line-height: 1.7; word-break: keep-all; }
.faq-list .faq-answer strong { font-weight: inherit; color: inherit; }

/* 공용 제작 가격 그리드 — 전 페이지(center·dept 등) 동일 스타일 */
.price-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 20px; }
.price-grid article { padding: var(--pad-box); border: 1px solid rgba(255,255,255,.72); border-radius: var(--radius-md); background: rgba(255,255,255,.62); box-shadow: 0 18px 44px rgba(90,100,145,.08); }
.price-grid strong { display: block; margin-bottom: 12px; color: var(--ink); font-size: clamp(20px,1.5vw,24px); letter-spacing: -.03em; font-weight: 800; }
.price-grid p { margin: 0 0 20px; color: var(--muted); line-height: 1.65; word-break: keep-all; }
.price-grid .amount { margin: 0 0 22px; color: #C985A7; font-size: clamp(24px,1.5vw,28px); font-weight: 800; letter-spacing: -.04em; }
.price-grid ul { display: grid; gap: 8px; margin: 0; padding: 0; list-style: none; }
.price-grid li { position: relative; padding-left: 18px; color: #555B68; font-size: 15px; line-height: 1.6; }
.price-grid li::before { content: "✓"; position: absolute; left: 0; color: var(--brand-deep); font-weight: 800; }
.price-note { margin: 20px 0 0; padding: 18px 22px; border-radius: 16px; border: 1px solid rgba(255,255,255,.72); background: rgba(255,255,255,.62); color: var(--muted); font-size: 14.5px; line-height: 1.7; letter-spacing: -.02em; word-break: keep-all; }
.price-note b { color: var(--brand-deep); font-weight: 800; }

/* 푸터 주소(실제 사업장 정보) */
.skip-link:focus { left: 0; }

/* ---------- header ---------- */
.header { height: 80px; display: flex; align-items: center; border-bottom: 1px solid rgba(255,255,255,.62); position: sticky; top: 0; background: rgba(255,255,255,.56); backdrop-filter: blur(24px) saturate(125%); -webkit-backdrop-filter: blur(24px) saturate(125%); box-shadow: 0 8px 28px rgba(79,88,124,.08); z-index: 20; }
.header-inner { width: min(calc(100% - 48px), var(--max)); margin: auto; display: grid; grid-template-columns: 220px 1fr 230px; align-items: center; gap: 24px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 600; }
.brand img { height: 25px; width: auto; display: block; }
.brand-mark { width: 26px; height: 26px; border-radius: 7px; background: linear-gradient(135deg, #5E69C2, #6FB3A6); position: relative; transform: skew(-8deg); }
.brand-mark:after { content: ""; position: absolute; width: 7px; height: 16px; border-radius: 6px; background: #fff; right: 5px; top: 5px; }
.nav { display: flex; justify-content: center; gap: 40px; font-size: 18px; font-weight: 650; }
.nav a { transition: color .2s ease; }
.nav a:hover { color: #7079C5; }
/* 현재 페이지 메뉴 활성화 (body class 기준 — 데스크톱·모바일 내비 공통) */
body.lab a.nav-lab,
body.center a.nav-center,
body.dept a.nav-dept,
body.portfolio a.nav-portfolio,
body.inquiry a.nav-inquiry { color: var(--brand-deep); font-weight: 800; }
.header-actions { display: flex; justify-content: flex-end; align-items: center; gap: 14px; white-space: nowrap;}
.intro-link { font-size: 15px; color: #666C7D; font-weight:600;}
.intro-link:hover { color: #7079C5; }
.phone { padding: 10px 16px; border-radius: 999px; background: var(--hot2); color: #fff; font-weight: 600; letter-spacing:2px; box-shadow: 0 10px 26px var(--hot2-shadow); }
.menu { display: none; border: 0; background: transparent; font-size: 24px; cursor: pointer; }

/* 모바일 드로어 */
.mobile-nav { position: fixed; inset: 0; z-index: 50; display: none; flex-direction: column; align-items: center; padding: 20px; background: rgba(255,255,255,.94); backdrop-filter: blur(24px) saturate(125%); -webkit-backdrop-filter: blur(24px) saturate(125%); }
.mobile-nav .wrap { width: 100%; margin: 0; padding: 0; display: flex; flex-direction: column; gap:3vh;}
.mobile-nav a { flex: 1; display: flex; align-items: center; justify-content: center; width: 100%; text-align: center; font-size: clamp(20px, 3vw, 6vw); font-weight: 700; letter-spacing: -.02em;}
.mobile-nav a:last-child { border-bottom: 0; }
.mobile-nav .phone { color:#fff; font-size:18px; padding:20px;}
.mobile-close { position: absolute; top: 16px; right: 20px; width: 46px; height: 46px; display: grid; place-items: center; border: 0; border-radius: 50%; background: transparent; color: var(--ink); font-size: 30px; line-height: 1; cursor: pointer; }
body.nav-open { overflow: hidden; }

/* ---------- summary-spec / 실적·절차 요약 (접이식 표, 전 페이지 공통) ---------- */
.summary-spec { padding: 0; }
.summary-acc { border-top: 1px solid rgba(143,152,217,.22); background: rgba(255,255,255,.5); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); }
.summary-acc > summary { display: block; cursor: pointer; list-style: none; padding: 24px 0; font-size: 18px; font-weight: 800; color: var(--ink); letter-spacing: -.02em; transition: background-color .2s ease, color .2s ease; }
.summary-acc > summary::-webkit-details-marker { display: none; }
.summary-acc > summary:hover { background: rgba(143,152,217,.07); color: var(--brand-deep); }
.summary-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; width: min(calc(100% - 48px), var(--max)); margin: 0 auto; }
.summary-label { display: flex; gap: 40px; align-items:center; font-size:15px; font-weight: 700; }
.summary-stats-line { color: var(--muted); letter-spacing: -.01em; }
.summary-stats-line strong { color: var(--brand-deep); font-weight: 700; }
.summary-cta-line { color: var(--ink); letter-spacing: -.02em; }
.summary-acc > summary:hover .summary-cta-line { color: var(--brand-deep); }
.summary-icon { flex: none; width: 24px; height: 24px; position: relative; }
.summary-icon::before, .summary-icon::after { content: ""; position: absolute; top: 50%; left: 50%; width: 13px; height: 2px; background: var(--brand-deep); border-radius: 2px; transform: translate(-50%,-50%); transition: transform .25s ease; }
.summary-icon::after { transform: translate(-50%,-50%) rotate(90deg); }
.summary-acc[open] .summary-icon::after { transform: translate(-50%,-50%) rotate(0); }
.summary-acc[open] > summary { border-bottom: 1px solid rgba(143,152,217,.16); }
.summary-body { padding: clamp(40px,2vw,60px) 0; }
.summary-body .wrap { display: grid; gap: 30px; }
.spec-table { width: 100%; border-collapse: collapse; }
.spec-table caption { text-align: left; padding: 0 0 10px; font-weight: 600; letter-spacing: .04em; color: var(--brand-eyebrow); }
.spec-table th, .spec-table td { padding: 12px 14px; text-align: left; font-size: 14px; line-height: 1.3; border: 1px solid rgba(143,152,217,.16); word-break: keep-all; vertical-align: top; }
.spec-table th { width:10%; background: rgba(143,152,217,.08); color: var(--ink); font-weight: 700; }
.spec-table td { color: var(--muted); }
.spec-table td strong { color: var(--ink); font-weight: 700; }
.spec-updated { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.3; letter-spacing: -.01em; word-break: keep-all; }
.spec-updated time { font-weight: 700; color: var(--ink); }
.spec-title { margin: 0 0 10px; font-weight: 600; letter-spacing: .04em; color: var(--brand-eyebrow); }
.spec-steps { margin: 0; padding: 0; list-style: none; border: 1px solid rgba(143,152,217,.16); }
.spec-steps li { display: flex; gap: 12px; padding: 12px 14px; border-bottom: 1px solid rgba(143,152,217,.16); font-size: 14px; line-height: 1.3; color: var(--muted); word-break: keep-all; }
.spec-steps li:last-child { border-bottom: 0; }
.spec-step-no { flex: none; min-width: 64px; color: var(--brand-deep); font-weight: 600; letter-spacing: .02em; }
.spec-steps strong { color: var(--ink); font-weight: 700; }

/* ---------- footer ---------- */
.footer { background: #222946; color: #fff; padding: 52px 0 36px; }
.footer a { color: #C2C8DA; }
.footer a:hover { color: #fff; }
/* 상단: 브랜드 · 메뉴 · 전화 */
.footer-top { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px 32px; padding-bottom: 26px; border-bottom: 1px solid rgba(255,255,255,.13); }
.footer-brand .brand span { color: #fff; font-size: 18px; font-weight: 800; letter-spacing: -.01em; }
.footer-brand p { margin: 0; color: #9AA2B8; font-size: 14px; line-height: 1.3; }
.footer-links { display: flex; flex-wrap: wrap; gap: 8px 20px; }
.footer-links a { font-size: 14px; line-height: 1.3; font-weight: 600; }
.footer-phone { display: inline-flex; align-items: center; gap: 10px; }
.footer-phone span { color: #9AA2B8; font-size: 14px; line-height: 1.3; font-weight: 600; }
.footer-phone strong { color: #fff; font-size: 22px; font-weight: 800; letter-spacing: -.02em; }
/* 하단: 사업자 정보 + 주소 */
.footer-info { display: block; font-style: normal; margin: 24px 0 0; color: #AEB4C6; font-size: 14px; line-height: 1.3; letter-spacing: -.01em; }
.footer-info b { color: #fff; font-weight: 700; margin-right: 6px; }
.footer-corp { display: flex; flex-wrap: wrap; gap: 4px 22px; margin: 0 0 6px; }
.footer-corp span { white-space: nowrap; }
.footer-addr { margin: 8px 0 2px; }
.footer-addr-detail { margin: 0 0 2px; color: #8A91A6; font-size: 14px; line-height: 1.3; letter-spacing: -.01em; }
.footer .copyright { margin-top: 22px; color: #7F879C; font-size: 14px; line-height: 1.3; }
.copyright { border-top: 1px solid rgba(255,255,255,.10); margin-top: 34px; padding-top: 24px; font-size: 14px; line-height: 1.3; color: #8E95A8; }

/* =========================================================
   공용 하단 섹션 (전 페이지 동일): WHY EBI · UNIVERSITY NETWORK · CTA
   연구실(/lab) 디자인 기준 — lab·center·dept 모두 .site-* 공용 클래스 사용
   ========================================================= */
.site-eyebrow { margin: 0 0 16px; color: var(--brand-eyebrow); font-size: 14px; line-height: 1.3; font-weight: 800; letter-spacing: .08em; }

/* WHY EBI — 흰 라운드 카드: 카피 상단 중앙 + 통계 카드 3개 */
.site-why { padding: 0 0 100px !important; scroll-margin-top: 150px; border-top:0 !important;}
.site-why-card { padding: var(--pad-box-lg); border-radius: var(--radius-xl); background: #fff; box-shadow: 0 24px 70px rgba(72,80,130,.16); }
.site-why-copy { margin-bottom: 44px; text-align: center; }
.site-why-copy h2 { margin: 0 0 16px; color: var(--ink); font-size: 32px; line-height: 1.3; letter-spacing: -.03em; font-weight: 700; }
.site-why-copy p { max-width: 880px; margin: 0 auto; color: #4B5066; font-size: 17px; line-height: 1.8; letter-spacing: -.02em; word-break: keep-all; }
.site-why-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.site-why-stats article { text-align: center; }
.site-why-stats strong { display: block; margin-bottom: 8px; color: var(--brand-deep); font-size: 34px; font-weight: 850; letter-spacing: -.04em; line-height: 1; }
.site-why-stats span { display: block; color: var(--muted); font-size: 15px; font-weight: 700; letter-spacing: -.02em; word-break: keep-all; }

/* UNIVERSITY NETWORK — 가운데 헤드 + 대학 로고 마퀴 */
.site-network { padding: 0 0 100px !important; border-top:0 !important;}
.site-network-head { max-width: 820px; margin: 0 auto 30px; text-align: center; }
.site-network-head h2 { margin: 0; color: var(--ink); font-size: clamp(24px,2vw,32px); line-height: 1.3; letter-spacing: -.03em; font-weight: 700; }
.site-network-head p { margin: 16px 0 0 !important; color: var(--muted); font-size: 16px; line-height: 1.5; letter-spacing: -.02em; word-break: keep-all; }
.site-marquee { position: relative; overflow: hidden; mask-image: linear-gradient(90deg, transparent, #000 14%, #000 86%, transparent); -webkit-mask-image: linear-gradient(90deg, transparent, #000 14%, #000 86%, transparent); }
.site-marquee-track { display: flex; width: max-content; gap: 14px; animation: site-marquee 28s linear infinite; }
.site-marquee-track span { display: grid; place-items: center; min-width: 132px; height: 60px; border: 1px solid rgba(255,255,255,.76); border-radius: 100px; background: #fff; color: #61677D; font-weight: 600; }
@keyframes site-marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* CTA — 전체폭 다크 그라데이션 + 가운데 흰 텍스트 */
.site-cta { padding: 112px 0; background: var(--cta-bg); }
.site-cta-box { max-width: 960px; margin: 0 auto; text-align: center; color: #fff; }
.site-cta-box .site-eyebrow { color: rgba(255,255,255,.72); }
.site-cta-box h2 { margin: 0 0 20px; color: #fff; font-size: clamp(24px, 4vw, 42px); line-height: 1.25; letter-spacing: -.03em; font-weight: 800; word-break: keep-all; }
.site-cta-box p { max-width: 720px; margin: 0 auto 36px; color: rgba(255,255,255,.78); font-size: clamp(16px,1.5vw,18px); word-break: keep-all; }
.site-cta-actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }

/* 공용 버튼 (하단 섹션 전용) */
.site-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 54px; padding: 0 24px; border-radius: 1000px; font-weight: 700; letter-spacing: -.02em; }
.site-btn.primary { color: #fff; background: var(--hot2); box-shadow: 0 18px 40px var(--hot2-shadow); }
.site-btn.ghost { color: #fff; border: 1px solid rgba(255,255,255,.30); background: rgba(255,255,255,.12); }

/* =========================================================
   공용 히어로 패널 (EBI ANALYSIS) — lab·center·dept 히어로 우측 동일 포맷
   ========================================================= */
.ebi-panel { position: relative; padding: 28px; border: 1px solid rgba(255,255,255,.82); border-radius: clamp(20px,2vw,40px); backdrop-filter: blur(22px); -webkit-backdrop-filter: blur(22px); box-shadow: 0 36px 100px rgba(72,80,130,.18);}
/* .ebi-panel::before { content: ""; position: absolute; width: 180px; height: 180px; right: -44px; top: -44px; border-radius: 50%; background: linear-gradient(135deg, #8F98D9, #A9BCE5); opacity: .9; } */
.ebi-panel .deco {position:absolute; top:0; display:flex; align-items:center; width:100%; height:100%; left:-100%; overflow:hidden;}
.ebi-panel .deco .wrap {display:flex; width:80%; align-items:center; transform:translateX(45%);}
.ebi-panel .deco .wrap img {display:block}
.ebi-panel-top { position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; }
.ebi-panel-top span { color: var(--brand-deep); font-size: 14px; line-height: 1.3; font-weight: 800; letter-spacing: .08em; }
.ebi-panel-top strong { color: var(--ink); font-size: 18px; font-weight: 800; }
.ebi-panel-card { position: relative; z-index: 1; padding: 28px; border: 1px solid rgba(255,255,255,.72); border-radius: var(--radius-lg); background: rgba(255,255,255,.76); box-shadow: 0 18px 48px rgba(72,80,130,.12); }
.ebi-panel-card small { display: block; margin-bottom: 10px; color: var(--brand-deep); font-size: 14px; line-height: 1.3; font-weight: 800; letter-spacing: .04em; }
.ebi-panel-card b { display: block; margin-bottom: 12px; color: var(--ink); font-size: clamp(18px,1.5vw,24px); line-height: 1.35; letter-spacing: -.04em; }
.ebi-panel-card p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.7; }
.ebi-panel-row { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(2,1fr); gap: 16px; margin-top: 16px; }
.ebi-panel-row > div { padding: 24px; border: 1px solid rgba(255,255,255,.68); border-radius: var(--radius-lg); background: rgba(255,255,255,.62); box-shadow: 0 12px 36px rgba(72,80,130,.08); }
.ebi-panel-row em { display: inline-flex; align-items: center; justify-content: center; width: 36px; height: 36px; margin-bottom: 16px; border-radius: 50%; color: #fff; background: var(--brand-fill); font-style: normal; font-size: 14px; line-height: 1.3; font-weight: 800; }
.ebi-panel-row strong { display: block; margin-bottom: 6px; color: var(--ink); font-size: 17px; font-weight: 800; }
.ebi-panel-row span { color: var(--muted); font-size: 14px; line-height: 1.3; }
.ebi-panel-metrics { position: relative; z-index: 1; display: grid; gap: 12px; margin-top: 16px; }
.ebi-panel-metrics > div { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; border-radius: var(--radius-md); color: #fff; background: var(--cta-bg); }
.ebi-panel-metrics span { color: rgba(255,255,255,.70); font-size: 14px; line-height: 1.3; font-weight: 750; }
.ebi-panel-metrics strong { font-size: 15px; font-weight: 800; }

/* =========================================================
   공용 히어로 (lab·center·dept 동일 포맷)
   ========================================================= */
.site-hero { position: relative; min-height: calc(100vh - 80px); display: flex; align-items: center; padding: 100px 0; overflow: hidden; background: radial-gradient(circle at 18% 24%, rgba(226,221,245,.85), transparent 42%), radial-gradient(circle at 82% 22%, rgba(245,227,217,.70), transparent 42%), radial-gradient(circle at 50% 86%, rgba(219,224,240,.75), transparent 46%), linear-gradient(180deg, #F5F4F8 0%, #EEEFF4 60%, #F6F5F9 100%); }
.site-hero::before { content: ""; position: absolute; inset: auto 0 0; height: 180px; background: linear-gradient(180deg, rgba(255,255,255,0), #F4F5F8); pointer-events: none; }
.site-hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0,1fr) minmax(420px,.5fr); gap: 72px; align-items: center; }
.site-hero .site-eyebrow { margin: 0 0 16px; text-transform: uppercase; }
.site-hero .site-hero-copy h1 { margin: 0 0 24px; color: var(--ink); font-size: clamp(24px,5vw,70px); line-height: 1.3; letter-spacing: -.03em; font-weight: 800; }
.site-hero .site-hero-copy h1 span { background: var(--brand-grad); -webkit-background-clip: text; background-clip: text; color: var(--brand-deep); -webkit-text-fill-color: transparent; }
.site-hero .site-hero-lead { max-width: 720px; margin: 0 0 clamp(40px,10vh,80px); color: #4B5066; font-size: clamp(16px,1.5vw,18px); line-height: clamp(1.4,1.5,1.7); letter-spacing: -.02em; word-break: keep-all; }
.site-hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.site-hero-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 54px; padding: 0 24px; border-radius: 999px; font-size: 15px; font-weight: 700; letter-spacing: -.02em; transition: transform .2s ease; }
.site-hero-btn:hover { transform: translateY(-2px); }
.site-hero-btn.primary { color: #fff; background: var(--hot2); box-shadow: 0 16px 36px var(--hot2-shadow); }
.site-hero-btn.ghost { color: var(--ink); border: 1px solid rgba(143,152,217,.26); background: rgba(255,255,255,.62); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }

/* =========================================================
   반응형 — 전 미디어쿼리 통합 (1180 → 1100 → 768)
   ⚠️ 같은 화면폭에서 뒤 규칙이 우선하므로 768은 항상 마지막
   ========================================================= */
@media (max-width: 1180px) {
  .site-hero-grid { grid-template-columns: 1fr; gap: 48px; }
}

@media (max-width: 1100px) {
  .header-inner { grid-template-columns: 180px 1fr auto; }
  .nav { gap: 18px; }
  .intro-link { display: none; }
}

@media (max-width: 768px) {
	.brand img { height:20px; }
  /* 맨 위로 버튼 · 가격 그리드 */
  .to-top { width: 44px; height: 44px; right: 12px; }
  .price-grid { grid-template-columns: 1fr; }
  /* FAQ 아코디언 */
  .faq-list summary { padding: 20px 24px; }
  .faq-list details p, .faq-list .faq-answer { padding: 0 24px 22px 62px; }
  /* 헤더 · 모바일 내비 */
  .wrap, .header-inner { }
  .header { height: 50px; }
  .header-inner { grid-template-columns: 1fr auto; }
  .nav, .header-actions { display: none; }
  .menu { display: block; }
  .mobile-nav.open { display: flex; align-items: center; justify-content: center;}
  /* 푸터 */
  .footer-top { flex-direction: column; align-items: flex-start; gap: 18px; }
  .footer-phone strong { font-size: 20px; }
  /* 스펙 아코디언 */
  .summary-inner { width: min(calc(100% - 28px),var(--max)); }
  .summary-acc > summary { padding: 18px 0; }
  .summary-stats-line { font-size: 14px; line-height: 1.3; }
  .summary-cta-line { font-size: 16px; }
  .summary-body { padding: 28px 0; }
  /* 공용 하단 섹션 (WHY EBI · NETWORK · CTA) */
  .site-why, .site-network { padding: 72px 0; }
  .site-cta { padding: 72px 0; }
  .site-why-card { border-radius: var(--radius-xl); }
  .site-why-stats { grid-template-columns: 1fr; }
  .site-cta-actions { flex-direction: column; }
  .site-btn { width: 100%; }
  /* 공용 히어로 */
  .site-hero { min-height: auto; padding: 50px 0 !important; }
  .site-hero-actions { flex-direction: column; }
  .site-hero-btn { width: 100%; }
  .site-hero .site-hero-lead {margin-bottom:30px;}
  
  .summary-label {flex-direction:column; align-items: flex-start; gap: 0;}
}