/* ── Webfont: Paperlogy (가이드 §4.1 확정 서체) ───────────────── */
@font-face{font-family:'Paperlogy';src:url('../fonts/Paperlogy-4Regular.woff2') format('woff2');font-weight:400;font-display:swap}
@font-face{font-family:'Paperlogy';src:url('../fonts/Paperlogy-5Medium.woff2') format('woff2');font-weight:500;font-display:swap}
@font-face{font-family:'Paperlogy';src:url('../fonts/Paperlogy-6SemiBold.woff2') format('woff2');font-weight:600;font-display:swap}
@font-face{font-family:'Paperlogy';src:url('../fonts/Paperlogy-7Bold.woff2') format('woff2');font-weight:700;font-display:swap}
@font-face{font-family:'Paperlogy';src:url('../fonts/Paperlogy-8ExtraBold.woff2') format('woff2');font-weight:800;font-display:swap}

/* ── Design tokens (가이드 §3 / §5 / §6) ───────────────────────── */
:root{
  --blue-50:#EAF3FB;  --blue-100:#CFE4F5; --blue-200:#A6CDEC; --blue-300:#6FADDF;
  --blue-400:#4295D2; --blue-500:#2281C6; --blue-600:#1B6BA8; --blue-700:#15568A;
  --blue-800:#114670; --blue-900:#0E3A5E;
  --green-500:#3BA98F;
  --danger:#E5484D;   --success:#22A06B;

  --gray-50:#FAFAFA;  --gray-100:#F4F5F6; --gray-200:#E5E7EB; --gray-300:#D1D5DB;
  --gray-400:#9CA3AF; --gray-500:#6B7380; --gray-700:#374151; --gray-900:#1A1A1A;

  /* 히어로 그라데이션 — 시안 추출값 고정 */
  --hero-1:#1E3247;  --hero-2:#253E53;  --hero-3:#0E1925;
  --footer-bg:#0E324E;

  --container:1400px;
  --gutter:24px;
  --radius-sm:8px; --radius-md:12px; --radius-lg:16px; --radius-pill:999px;
  --shadow-sm:0 1px 2px rgba(16,24,40,.06);
  --shadow-md:0 4px 12px rgba(16,24,40,.08);
  --shadow-lg:0 12px 32px rgba(16,24,40,.12);

  --header-h:80px;
  --ease:cubic-bezier(.22,.61,.36,1);

  --font-sans:'Paperlogy',-apple-system,BlinkMacSystemFont,'Apple SD Gothic Neo',
              'Malgun Gothic','맑은 고딕',system-ui,sans-serif;
}

/* ── Reset ─────────────────────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:#fff;color:var(--gray-900);
  font-family:var(--font-sans);font-weight:400;font-size:15px;line-height:1.6;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  word-break:keep-all;overflow-wrap:break-word;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}

/* 접근성: 포커스 링 (가이드 §13) */
:focus-visible{outline:2px solid var(--blue-500);outline-offset:3px;border-radius:4px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;
  clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip-link{position:absolute;left:16px;top:-60px;z-index:2000;background:var(--blue-500);
  color:#fff;padding:10px 18px;border-radius:var(--radius-sm);font-weight:600;
  transition:top .2s var(--ease)}
.skip-link:focus{top:16px}

/* ── Layout ────────────────────────────────────────────────────── */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--gray{background:var(--gray-50)}

/* 섹션 헤더 패턴 (가이드 §9.4) */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px}
.sec-head--center{flex-direction:column;align-items:center;text-align:center;gap:10px}
.eyebrow{font-size:13px;font-weight:500;color:var(--gray-500);letter-spacing:.01em;margin-bottom:10px}
.sec-head--center .eyebrow{margin-bottom:0}
.h2{font-size:30px;font-weight:700;line-height:1.28;letter-spacing:-.01em;color:var(--gray-900)}
.more-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:500;
  color:var(--gray-500);white-space:nowrap;transition:color .2s var(--ease);padding-bottom:4px}
.more-link:hover{color:var(--blue-500)}
.more-link svg{transition:transform .2s var(--ease)}
.more-link:hover svg{transform:translateX(3px)}

/* ── Header / GNB (가이드 §7) ──────────────────────────────────── */
.header{position:fixed;inset:0 0 auto 0;z-index:900;height:var(--header-h);
  transition:background .3s var(--ease),box-shadow .3s var(--ease),height .3s var(--ease)}
.header__inner{max-width:var(--container);height:100%;margin:0 auto;padding:0 24px;
  display:flex;align-items:center;justify-content:space-between;gap:24px}

/* 로고 */
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo__mark{width:34px;height:34px;flex-shrink:0}
.logo__mark .ring{stroke:#fff;transition:stroke .3s var(--ease)}
.logo__text{display:flex;flex-direction:column;gap:1px;line-height:1.1;
  color:#fff;transition:color .3s var(--ease)}
.logo__ko{font-size:17px;font-weight:800;letter-spacing:-.01em}
.logo__en{font-size:9px;font-weight:600;letter-spacing:.14em;opacity:.9}

/* 1Depth */
.gnb{display:flex;gap:36px}
.gnb__item{position:relative}
.gnb__link{display:flex;align-items:center;height:var(--header-h);font-size:15px;font-weight:500;
  color:#fff;transition:color .2s var(--ease);position:relative}
.gnb__link::after{content:'';position:absolute;left:0;right:0;bottom:22px;height:2px;
  background:currentColor;transform:scaleX(0);transform-origin:center;
  transition:transform .25s var(--ease)}
.gnb__item:hover .gnb__link,.gnb__item:focus-within .gnb__link{color:var(--blue-300)}
.gnb__item:hover .gnb__link::after,.gnb__item:focus-within .gnb__link::after{transform:scaleX(1)}

/* 2Depth 드롭다운 */
.gnb__sub{position:absolute;top:calc(var(--header-h) - 10px);left:50%;transform:translate(-50%,8px);
  min-width:176px;padding:8px;background:#fff;border-radius:var(--radius-md);
  box-shadow:var(--shadow-md),0 0 0 1px var(--gray-200);
  opacity:0;visibility:hidden;pointer-events:none;
  transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s}
.gnb__item:hover .gnb__sub,.gnb__item:focus-within .gnb__sub{
  opacity:1;visibility:visible;pointer-events:auto;transform:translate(-50%,0)}
.gnb__sub a{display:block;padding:9px 14px;font-size:14px;color:var(--gray-700);
  border-radius:var(--radius-sm);white-space:nowrap;transition:background .15s,color .15s}
.gnb__sub a:hover{background:var(--blue-50);color:var(--blue-600)}

/* 모바일 메뉴 안의 로그인 — 데스크톱에서는 헤더 우측 버튼이 대신한다 */
.gnb__login{display:none}

/* 우측 액션 */
.header__actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.btn-login{display:inline-flex;align-items:center;justify-content:center;height:41px;padding:0 22px;
  font-size:15px;font-weight:600;color:#fff;background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.7);border-radius:var(--radius-sm);
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease)}
.btn-login:hover{background:#fff;color:var(--blue-600);border-color:#fff}

/* 스크롤 후 화이트 헤더 */
.header.is-scrolled{background:rgba(255,255,255,.96);backdrop-filter:blur(8px);box-shadow:var(--shadow-sm)}
.header.is-scrolled .logo__text{color:var(--gray-900)}
.header.is-scrolled .logo__mark .ring{stroke:transparent}
.header.is-scrolled .gnb__link{color:var(--gray-700)}
.header.is-scrolled .gnb__item:hover .gnb__link,
.header.is-scrolled .gnb__item:focus-within .gnb__link{color:var(--blue-500)}
.header.is-scrolled .btn-login{color:var(--blue-600);background:#fff;border-color:var(--blue-500)}
.header.is-scrolled .btn-login:hover{background:var(--blue-500);color:#fff}
.header.is-scrolled .nav-toggle span{background:var(--gray-900)}

/* 모바일 햄버거 */
.nav-toggle{display:none;width:44px;height:44px;flex-direction:column;align-items:center;
  justify-content:center;gap:5px}
.nav-toggle span{display:block;width:22px;height:2px;background:#fff;border-radius:2px;
  transition:transform .25s var(--ease),opacity .2s var(--ease),background .3s var(--ease)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ── Hero (가이드 §8.2) ────────────────────────────────────────── */
.hero{position:relative;height:640px;min-height:520px;overflow:hidden;background:var(--hero-3)}
.hero__media{position:absolute;inset:0}
.hero__media img{width:100%;height:100%;object-fit:cover;object-position:50% 58%}
/* 시안의 네이비 그라데이션을 사진 위 오버레이로 그대로 유지 */
.hero__scrim{position:absolute;inset:0;
  background:linear-gradient(180deg,var(--hero-1) 0%,var(--hero-2) 55%,var(--hero-3) 100%);
  opacity:.82}
/* 시안의 따뜻한 글로우 타원 */
.hero__glow{position:absolute;left:50%;top:360px;width:1100px;height:420px;
  transform:translateX(-50%);border-radius:50%;
  background:rgba(242,184,115,.22);filter:blur(60px);pointer-events:none}
.hero__band{position:absolute;left:0;right:0;top:520px;height:150px;background:rgba(11,20,29,.8)}
.hero__inner{position:relative;z-index:2;height:100%;display:flex;flex-direction:column;
  align-items:center;justify-content:center;text-align:center;padding:var(--header-h) 24px 0}
.hero__label{font-size:15px;font-weight:600;letter-spacing:.34em;color:rgba(255,255,255,.85);
  margin-bottom:18px;padding-left:.34em}
.hero__title{font-size:50px;font-weight:800;line-height:1.3;letter-spacing:-.01em;color:#fff;
  text-shadow:0 2px 24px rgba(0,0,0,.28)}
.hero__cta{display:flex;gap:12px;margin-top:34px;flex-wrap:wrap;justify-content:center}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;
  padding:0 26px;border-radius:var(--radius-sm);font-size:15px;font-weight:600;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),
             transform .2s var(--ease)}
.btn:hover{transform:translateY(-2px)}
.btn--primary{background:var(--blue-500);color:#fff;box-shadow:0 6px 18px rgba(14,50,78,.35)}
.btn--primary:hover{background:var(--blue-600)}
.btn--ghost{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.55)}
.btn--ghost:hover{background:#fff;color:var(--blue-600);border-color:#fff}
/* 스크롤 인디케이터 */
.hero__scroll{position:absolute;left:50%;bottom:28px;transform:translateX(-50%);z-index:3;
  display:flex;flex-direction:column;align-items:center;gap:8px;
  font-size:10px;font-weight:600;letter-spacing:.2em;color:rgba(255,255,255,.55)}
.hero__scroll i{display:block;width:1px;height:30px;
  background:linear-gradient(180deg,rgba(255,255,255,0),rgba(255,255,255,.7));
  animation:scrollPulse 1.9s var(--ease) infinite}
@keyframes scrollPulse{0%{transform:scaleY(.3);opacity:0}50%{opacity:1}100%{transform:scaleY(1);opacity:0}}

/* ── ① 알림마당 / 최신글 (가이드 §8.3 · §9.2) ──────────────────── */
.news-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gutter)}
.news-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--gray-200);
  border-radius:var(--radius-md);box-shadow:var(--shadow-sm);overflow:hidden;
  transition:box-shadow .28s var(--ease),transform .28s var(--ease),border-color .28s var(--ease)}
.news-card:hover{box-shadow:var(--shadow-md);transform:translateY(-4px);border-color:var(--blue-200)}
.news-card__thumb{position:relative;aspect-ratio:332/220;overflow:hidden;background:var(--gray-100)}
.news-card__thumb img{width:100%;height:100%;object-fit:cover;
  transition:transform .5s var(--ease)}
.news-card:hover .news-card__thumb img{transform:scale(1.05)}
/* 사진 위 가독성 확보용 하단 그라데이션 (가이드 §11.2) */
.news-card__thumb::after{content:'';position:absolute;inset:auto 0 0 0;height:50%;
  background:linear-gradient(180deg,rgba(14,25,37,0),rgba(14,25,37,.42))}
.news-card__tag{position:absolute;z-index:2;left:14px;top:14px;
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  font-size:12px;font-weight:600;color:#fff;background:rgba(34,129,198,.92);
  border-radius:var(--radius-pill);backdrop-filter:blur(4px)}
.news-card__body{display:flex;flex-direction:column;gap:10px;padding:16px 18px 20px}
.news-card__title{font-size:15px;font-weight:600;line-height:1.4;color:var(--gray-900);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s var(--ease);min-height:calc(1.4em * 2)}
.news-card:hover .news-card__title{color:var(--blue-600)}
.news-card__date{font-size:12px;font-weight:500;color:var(--gray-500);
  font-variant-numeric:tabular-nums}

/* ── ② 주요 서비스 (가이드 §8.4 · §9.2) ───────────────────────── */
.svc-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
.svc-card{position:relative;aspect-ratio:1/1;border-radius:var(--radius-lg);overflow:hidden;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;
  text-align:center;color:#fff;isolation:isolate;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease)}
.svc-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.svc-card img{position:absolute;inset:0;z-index:-2;width:100%;height:100%;object-fit:cover;
  transition:transform .6s var(--ease)}
.svc-card:hover img{transform:scale(1.07)}
/* 어두운 오버레이 — 시안 카드별 컬러 톤을 그대로 유지 */
.svc-card::before{content:'';position:absolute;inset:0;z-index:-1;
  background:linear-gradient(135deg,var(--ov-1) 0%,var(--ov-2) 71%);
  opacity:.82;transition:opacity .35s var(--ease)}
.svc-card:hover::before{opacity:.92}
.svc-card__icon{margin-bottom:6px;opacity:.95}
.svc-card__ko{font-size:19px;font-weight:700;letter-spacing:-.01em}
.svc-card__en{font-size:11px;font-weight:600;letter-spacing:.14em;opacity:.75;padding-left:.14em}
.svc-card--consulting{--ov-1:#1B4A6E;--ov-2:#0E2C44}
.svc-card--stay      {--ov-1:#16584C;--ov-2:#0C3229}
.svc-card--language  {--ov-1:#2A3A6B;--ov-2:#141C39}
.svc-card--pickup    {--ov-1:#37506B;--ov-2:#1A2836}
.svc-card--admission {--ov-1:#2D678B;--ov-2:#163C58}

/* ── ③ 회사소개 (가이드 §8.5) ─────────────────────────────────── */
/* DOM 순서는 모바일 표시 순서(영상 → 소개 문단 → 유관기관)와 같게 두고,
   데스크톱 2단 배치만 grid-template-areas 로 만든다. order 를 쓰면 화면 순서와
   읽기/탭 순서가 어긋나므로 쓰지 않는다. (가이드 §12) */
.about-row{display:grid;grid-template-columns:2fr 3fr;
  grid-template-areas:"video text"
                      "partners text";
  column-gap:48px;row-gap:20px;align-items:start}
/* 그리드 아이템의 기본 min-width:auto 가 트랙보다 넓어지는 것을 막는다 (모바일 가로 스크롤 방지) */
.about-row > *{min-width:0}

.video{grid-area:video;position:relative;display:block;width:100%;aspect-ratio:541/290;
  border-radius:var(--radius-md);overflow:hidden;background:var(--hero-3)}
.video img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.video:hover img{transform:scale(1.04)}
.video::after{content:'';position:absolute;inset:0;
  background:linear-gradient(151.8deg,rgba(37,62,83,.62) 0%,rgba(14,25,37,.72) 71%);
  transition:background .3s var(--ease)}
.video:hover::after{background:linear-gradient(151.8deg,rgba(37,62,83,.5) 0%,rgba(14,25,37,.62) 71%)}
.video__overlay{position:absolute;inset:0;z-index:2;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:12px;color:#fff}
.video__play{display:flex;align-items:center;justify-content:center;width:60px;height:60px;
  border-radius:var(--radius-pill);background:rgba(255,255,255,.9);color:var(--blue-600);
  transition:transform .3s var(--ease),background .3s var(--ease)}
.video:hover .video__play{transform:scale(1.08);background:#fff}
.video__label{font-size:13px;font-weight:500}

.partners{grid-area:partners;display:flex;flex-direction:column;gap:12px;align-items:center}
.partners__title{font-size:12px;font-weight:500;letter-spacing:.04em;color:var(--gray-500)}
.partners__row{display:flex;align-items:center;gap:10px;width:100%}
.carousel-btn{display:flex;align-items:center;justify-content:center;width:32px;height:32px;
  flex-shrink:0;background:#fff;border:1px solid var(--gray-200);border-radius:var(--radius-pill);
  color:var(--gray-700);transition:background .2s var(--ease),color .2s var(--ease),
  border-color .2s var(--ease)}
.carousel-btn:hover{background:var(--blue-50);color:var(--blue-500);border-color:var(--blue-200)}
.carousel-btn:disabled{opacity:.35;cursor:default}
.carousel-btn:disabled:hover{background:#fff;color:var(--gray-700);border-color:var(--gray-200)}
.partners__viewport{flex:1;min-width:0;overflow:hidden}
.partners__track{display:flex;gap:10px;transition:transform .45s var(--ease)}
.partner{flex:0 0 calc((100% - 30px) / 4);height:56px;display:flex;align-items:center;
  justify-content:center;background:var(--gray-100);border-radius:10px;
  transition:background .2s var(--ease)}
.partner:hover{background:var(--blue-50)}

.about-text{grid-area:text;display:flex;flex-direction:column;gap:16px}
.about-text p{font-size:15px;line-height:1.8;color:var(--gray-700)}
.about-text .sign{font-size:15px;font-weight:700;color:var(--gray-900);margin-top:4px}

/* ── ④ 찾아오시는 길 (가이드 §8.6) ────────────────────────────── */
.map{position:relative;height:400px;border:1px solid var(--gray-200);border-radius:var(--radius-md);
  overflow:hidden;background:#EAEEF2}
/* 배경 약도만 — .map__card 안의 핀 아이콘까지 늘어나지 않도록 직계 자식으로 한정 */
.map > svg{position:absolute;inset:0;width:100%;height:100%}
.map__card{position:absolute;z-index:2;left:50%;top:50%;transform:translate(-50%,-50%);
  display:flex;flex-direction:column;align-items:center;gap:6px;
  padding:22px 30px;background:rgba(255,255,255,.94);backdrop-filter:blur(6px);
  border-radius:var(--radius-md);box-shadow:var(--shadow-md);text-align:center}
.map__pin{color:var(--blue-500)}
.map__addr{font-size:15px;font-weight:500;color:var(--gray-900)}
.map__note{font-size:12px;color:var(--gray-500)}
.map__actions{display:flex;gap:8px;margin-top:8px}
.map__btn{display:inline-flex;align-items:center;gap:6px;height:32px;padding:0 14px;
  font-size:13px;font-weight:600;color:var(--blue-600);background:#fff;
  border:1px solid var(--blue-200);border-radius:var(--radius-pill);
  transition:background .2s var(--ease),color .2s var(--ease)}
.map__btn:hover{background:var(--blue-500);color:#fff;border-color:var(--blue-500)}

/* ── Footer (가이드 §10) ──────────────────────────────────────── */
.footer{background:var(--footer-bg);color:#fff;padding:52px 0}
.footer__inner{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap}
.footer__col{display:flex;flex-direction:column}
.footer__policy{gap:12px;font-size:14px}
.footer__policy a{transition:color .2s var(--ease)}
.footer__policy a:hover{color:var(--blue-200)}
.footer__policy .strong{font-weight:700}
.footer__policy .weak{opacity:.8}
.footer__contact{gap:10px;font-size:13px}
.footer__contact div{display:flex;gap:8px}
.footer__contact dt,.footer__contact .label{font-weight:700;color:var(--blue-200)}
.footer__contact dd,.footer__contact .value{margin:0;opacity:.85}
.footer__info{gap:8px}
.footer__info .name{font-size:14px;font-weight:600}
.footer__info .meta{font-size:12px;opacity:.7}
.footer__info .copy{font-size:11px;opacity:.5;margin-top:4px;letter-spacing:.01em}
.footer__brand{align-items:flex-end;gap:4px;text-align:right}
.footer__brand .slogan{font-size:10px;font-weight:600;letter-spacing:.1em;color:var(--blue-200)}
.footer__brand .wordmark{font-size:24px;font-weight:800;letter-spacing:-.01em}

/* ── AI 챗봇 (가이드 §9.8) ────────────────────────────────────── */
.chat-launcher{position:fixed;right:24px;bottom:24px;z-index:1000;
  display:inline-flex;align-items:center;gap:10px;height:47px;padding:0 24px 0 22px;
  background:var(--blue-500);color:#fff;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;box-shadow:0 6px 18px rgba(14,50,78,.35);
  transition:background .2s var(--ease),transform .2s var(--ease)}
.chat-launcher:hover{background:var(--blue-600);transform:scale(1.04)}
.chat-launcher__text{white-space:nowrap}

.chat-panel{position:fixed;right:24px;bottom:84px;z-index:1001;width:360px;height:520px;
  display:flex;flex-direction:column;background:#fff;border-radius:var(--radius-lg);
  box-shadow:var(--shadow-lg),0 0 0 1px var(--gray-200);overflow:hidden;
  opacity:0;visibility:hidden;transform:translateY(12px) scale(.98);
  transition:opacity .25s var(--ease),transform .25s var(--ease),visibility .25s}
.chat-panel.is-open{opacity:1;visibility:visible;transform:translateY(0) scale(1)}
.chat-panel__head{display:flex;align-items:center;gap:10px;height:64px;padding:0 16px;
  background:var(--blue-500);color:#fff;flex-shrink:0}
.chat-panel__head .logo__mark{width:28px;height:28px}
.chat-panel__titles{flex:1;min-width:0;line-height:1.25}
.chat-panel__title{font-size:15px;font-weight:600}
.chat-panel__status{display:flex;align-items:center;gap:5px;font-size:11px;opacity:.85}
.chat-panel__status i{width:6px;height:6px;border-radius:50%;background:#5BE3A8}
.chat-panel__close{display:flex;align-items:center;justify-content:center;width:32px;height:32px;
  border-radius:var(--radius-pill);transition:background .2s var(--ease)}
.chat-panel__close:hover{background:rgba(255,255,255,.18)}
.chat-body{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:10px}
.bubble{max-width:80%;padding:10px 14px;font-size:14px;line-height:1.55}
.bubble--bot{align-self:flex-start;background:var(--gray-100);color:var(--gray-900);
  border-radius:4px 12px 12px 12px}
.bubble--user{align-self:flex-end;background:var(--blue-500);color:#fff;
  border-radius:12px 4px 12px 12px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:4px}
.chip{height:30px;padding:0 14px;font-size:13px;font-weight:500;color:var(--blue-700);
  background:var(--blue-100);border-radius:var(--radius-pill);
  transition:background .2s var(--ease)}
.chip:hover{background:var(--blue-200)}
.chat-foot{display:flex;align-items:center;gap:8px;padding:12px 16px;
  border-top:1px solid var(--gray-200);flex-shrink:0}
.chat-foot input{flex:1;min-width:0;height:40px;padding:0 16px;font:inherit;font-size:14px;
  background:var(--gray-100);border:1px solid transparent;border-radius:var(--radius-pill);
  outline:none;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.chat-foot input:focus{border-color:var(--blue-500);box-shadow:0 0 0 3px var(--blue-100)}
.chat-send{display:flex;align-items:center;justify-content:center;width:40px;height:40px;
  flex-shrink:0;background:var(--blue-500);color:#fff;border-radius:var(--radius-pill);
  transition:background .2s var(--ease)}
.chat-send:hover{background:var(--blue-600)}

/* ── Reveal on scroll ─────────────────────────────────────────── */
.reveal{opacity:0;transform:translateY(20px);
  transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ── Responsive (가이드 §12) ──────────────────────────────────── */
@media (max-width:1279px){
  .section{padding:72px 0}
  .gnb{gap:24px}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .svc-grid{grid-template-columns:repeat(3,1fr)}
  /* 1단 스택: 영상 → 소개 문단 → 유관기관 (가이드 §12) */
  .about-row{grid-template-columns:1fr;
    grid-template-areas:"video"
                        "text"
                        "partners";
    row-gap:40px}
  .video,.partners{max-width:620px}
  .partner{flex:0 0 calc((100% - 30px) / 4)}
}
@media (max-width:860px){
  :root{--header-h:64px}
  .nav-toggle{display:flex}
  .header__actions .btn-login{display:none}
  .gnb{position:fixed;left:0;right:0;top:var(--header-h);flex-direction:column;gap:0;
    padding:8px 16px 24px;background:#fff;box-shadow:var(--shadow-md);
    max-height:calc(100vh - var(--header-h));overflow-y:auto;
    opacity:0;visibility:hidden;transform:translateY(-8px);
    transition:opacity .25s var(--ease),transform .25s var(--ease),visibility .25s}
  .gnb.is-open{opacity:1;visibility:visible;transform:none}
  .gnb__link{height:52px;color:var(--gray-900);font-size:16px;font-weight:600;
    border-bottom:1px solid var(--gray-200)}
  .gnb__link::after{display:none}
  .gnb__item:hover .gnb__link{color:var(--gray-900)}
  .gnb__sub{position:static;transform:none;min-width:0;opacity:1;visibility:visible;
    pointer-events:auto;box-shadow:none;background:var(--gray-50);border-radius:0;
    padding:8px 0 12px;display:flex;flex-wrap:wrap;gap:0 4px}
  .gnb__item:hover .gnb__sub,.gnb__item:focus-within .gnb__sub{transform:none}
  .gnb__sub a{padding:7px 12px;font-size:13px}
  .header.is-scrolled .gnb{background:#fff}
  .gnb__login{display:flex;align-items:center;justify-content:center;height:48px;margin-top:20px;
    background:var(--blue-500);color:#fff;border-radius:var(--radius-sm);
    font-size:15px;font-weight:600}

  .hero{height:auto;min-height:560px}
  .hero__band{top:auto;bottom:0;height:120px}
  .hero__glow{width:120%;top:50%}
  .hero__title{font-size:34px}
  .hero__label{font-size:13px;letter-spacing:.26em}
  .hero__inner{padding:calc(var(--header-h) + 72px) 24px 96px}

  .section{padding:56px 0}
  .h2{font-size:24px}
  .sec-head{align-items:flex-end}
  .svc-grid{grid-template-columns:repeat(2,1fr)}
  .partner{flex:0 0 calc((100% - 20px) / 3)}

  .footer{padding:44px 0}
  .footer__inner{gap:28px}
  .footer__brand{align-items:flex-start;text-align:left}

  .chat-panel{right:0;left:0;bottom:0;width:100%;height:72vh;
    border-radius:var(--radius-lg) var(--radius-lg) 0 0}
  .chat-launcher{right:16px;bottom:16px}
}
@media (max-width:560px){
  .container{padding:0 16px}
  .news-grid{grid-template-columns:1fr}
  .svc-grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .svc-card__ko{font-size:17px}
  .hero__title{font-size:28px}
  .hero__cta .btn{height:44px;padding:0 20px;font-size:14px}
  .partner{flex:0 0 calc((100% - 10px) / 2)}
  .map{height:320px}
  .map__card{padding:18px 20px;width:calc(100% - 32px)}
  .chat-launcher__text{display:none}
  .chat-launcher{padding:0;width:56px;height:56px;justify-content:center}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;
    transition-duration:.01ms!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}