/* ============================================================
   한국유전자센터 · Korea Gene Center
   Premium corporate stylesheet
   Palette: deep petrol/teal + warm gold accent + ink
   ============================================================ */

:root{
  --teal-900:#0a2e2e;
  --teal-800:#0d3d3d;
  --teal-700:#124f4d;
  --teal-600:#1b6360;
  --teal-500:#2a807b;
  --teal-50:#eef5f4;
  --gold:#c19a54;
  --gold-dark:#a67f3c;
  --ink:#1c2626;
  --ink-2:#41504f;
  --line:#e4eae9;
  --bg:#ffffff;
  --bg-soft:#f5f8f7;
  --shadow-sm:0 4px 18px rgba(12,45,44,.06);
  --shadow-md:0 14px 40px rgba(12,45,44,.10);
  --shadow-lg:0 24px 70px rgba(12,45,44,.16);
  --radius:14px;
  --radius-lg:22px;
  --max:1220px;
  /* 2026-07-18 : 제목·히어로·숫자 서체를 본문 서체로 통일 */
  --sans:"Noto Sans KR",system-ui,sans-serif;
  --serif:var(--sans);   /* 기존 Noto Serif KR */
  --lat:var(--sans);     /* 기존 Cormorant Garamond */
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{
  font-family:var(--sans);
  color:var(--ink);
  background:var(--bg);
  line-height:1.7;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  word-break:keep-all;      /* 한글 단어 중간에서 줄바꿈 방지 */
  overflow-wrap:break-word; /* 긴 영문·URL 은 예외적으로 허용 */
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}

.section-inner{max-width:var(--max);margin:0 auto;padding:0 28px}
.eyebrow{
  font-size:.78rem;letter-spacing:.28em;text-transform:uppercase;
  color:var(--gold-dark);font-weight:700;margin-bottom:14px;
}
.section-title{
  font-family:var(--serif);font-weight:600;color:var(--ink);
  font-size:clamp(1.7rem,3.4vw,2.5rem);line-height:1.35;letter-spacing:-.01em;
}
.section-title b{color:var(--teal-700);font-weight:700}
/* 모바일: 제목이 한 줄에 들어가도록 크기 조정 (줄바꿈 태그는 유지) */
@media (max-width:560px){
  .section-title{font-size:1.5rem;line-height:1.45}
}
.section-head{margin-bottom:52px}
.section-head.center{text-align:center;max-width:720px;margin-inline:auto}
.section-sub{margin-top:16px;color:var(--ink-2);font-size:1.02rem}
.section-head.light .eyebrow{color:var(--gold)}
.section-head.light .section-title,
.section-head.light .section-title b{color:#fff}
.section-head.light .section-sub{color:rgba(255,255,255,.72)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:15px 32px;border-radius:50px;font-weight:700;font-size:.98rem;
  transition:.28s cubic-bezier(.2,.7,.3,1);letter-spacing:.01em;white-space:nowrap;
}
.btn-primary{background:var(--gold);color:#fff;box-shadow:0 10px 26px rgba(193,154,84,.36)}
.btn-primary:hover{background:var(--gold-dark);transform:translateY(-2px);box-shadow:0 16px 34px rgba(193,154,84,.44)}
.btn-ghost{background:rgba(255,255,255,.10);color:#fff;border:1.5px solid rgba(255,255,255,.55);backdrop-filter:blur(4px)}
.btn-ghost:hover{background:#fff;color:var(--teal-800);border-color:#fff;transform:translateY(-2px)}
.btn-line{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.5)}
.btn-line:hover{background:#fff;color:var(--teal-800);transform:translateY(-2px)}

/* ============================================================
   HEADER
   ============================================================ */
.site-header{
  position:fixed;top:0;left:0;width:100%;z-index:900;
  transition:.35s ease;
}
.header-inner{
  max-width:var(--max);margin:0 auto;padding:0 28px;height:88px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.site-header::before{
  content:"";position:absolute;inset:0;background:rgba(255,255,255,.0);
  backdrop-filter:blur(0);transition:.35s ease;z-index:-1;
  border-bottom:1px solid transparent;
}
.site-header.scrolled::before{
  background:rgba(255,255,255,.92);backdrop-filter:blur(12px);
  border-bottom-color:var(--line);box-shadow:var(--shadow-sm);
}

.brand{display:flex;align-items:center;gap:12px;color:#fff;transition:.35s}
.brand-mark{color:var(--gold);display:flex;flex-shrink:0}
.brand-mark img{height:46px;width:auto;display:block}
.brand--footer .brand-mark img{height:40px}
@media (max-width:768px){.brand-mark img{height:36px}}
.brand-text{display:flex;flex-direction:column;line-height:1.05}
.brand-text strong{font-family:var(--serif);font-size:1.28rem;font-weight:700;letter-spacing:-.01em}
.brand-text em{font-family:var(--lat);font-style:normal;font-size:.66rem;letter-spacing:.22em;opacity:.85;font-weight:600}
.site-header.scrolled .brand{color:var(--ink)}
.site-header.scrolled .brand-mark{color:var(--teal-600)}

.main-nav ul{display:flex;gap:6px}
.main-nav a{
  display:block;padding:12px 20px;color:rgba(255,255,255,.92);font-weight:500;
  font-size:1.02rem;border-radius:8px;transition:.25s;position:relative;
}
.main-nav a::after{
  content:"";position:absolute;left:20px;right:20px;bottom:8px;height:2px;
  background:var(--gold);transform:scaleX(0);transform-origin:left;transition:.3s;
}
.main-nav a:hover::after{transform:scaleX(1)}
.site-header.scrolled .main-nav a{color:var(--ink-2)}
.site-header.scrolled .main-nav a:hover{color:var(--teal-700)}

.header-utils{display:flex;align-items:center;gap:16px}
.lang-switch{display:flex;align-items:center;gap:6px;font-size:.8rem;color:rgba(255,255,255,.7);font-weight:600}
.lang-switch a{transition:.2s}
.lang-switch a.active{color:var(--gold)}
.lang-switch a:hover{color:#fff}
.site-header.scrolled .lang-switch{color:#9aa8a7}
.site-header.scrolled .lang-switch a.active{color:var(--gold-dark)}
.btn-apply-sm{
  padding:10px 22px;border-radius:50px;background:var(--gold);color:#fff;
  font-weight:700;font-size:.9rem;transition:.25s;box-shadow:0 6px 16px rgba(193,154,84,.3);
}
.btn-apply-sm:hover{background:var(--gold-dark);transform:translateY(-1px)}

.nav-toggle{display:none;flex-direction:column;gap:5px;width:30px;padding:6px 0}
.nav-toggle span{height:2px;width:100%;background:#fff;border-radius:2px;transition:.3s}
.site-header.scrolled .nav-toggle span{background:var(--ink)}

/* ============================================================
   HERO
   ============================================================ */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;color:#fff;overflow:hidden}
.hero-bg{
  position:absolute;inset:-4%;
  background:#061620 url("../img/hero-dna.jpg") center center/cover no-repeat;
  width:108%;height:108%;object-fit:cover;object-position:center;
  transform:scale(1.12);transition:transform .4s cubic-bezier(.2,.7,.3,1);
  will-change:transform;
}
/* video used as cover media (cards, about, intro, banner) */
.svc-thumb video,.about-media video,.intro-card video,.cover-video{
  width:100%;height:100%;object-fit:cover;display:block;
}
.about-media video{border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);aspect-ratio:4/3}
.svc-thumb video{transition:transform .6s ease}
.svc-card:hover .svc-thumb video{transform:scale(1.07)}
/* touch fallback zoom (desktop uses JS parallax) */
@media (hover:none){.hero-bg{animation:heroZoom 16s ease-in-out infinite alternate}}
@keyframes heroZoom{to{transform:scale(1.2)}}
.hero-fx{
  position:absolute;top:50%;right:8%;transform:translateY(-50%);
  z-index:1;opacity:.5;pointer-events:none;
  transition:transform .5s cubic-bezier(.2,.7,.3,1);
  filter:drop-shadow(0 0 24px rgba(127,214,207,.4));will-change:transform;
}
.hero-fx svg{animation:floatY 6s ease-in-out infinite}
@keyframes floatY{0%,100%{translate:0 0}50%{translate:0 -16px}}
@media (max-width:900px){.hero-fx{opacity:.22;right:-6%}}
.hero-overlay{
  position:absolute;inset:0;
  background:
    linear-gradient(100deg,rgba(5,20,30,.95) 0%,rgba(7,30,38,.80) 34%,rgba(8,34,42,.34) 66%,rgba(8,34,42,.5) 100%),
    radial-gradient(circle at 70% 52%,rgba(30,120,150,.16),transparent 55%),
    linear-gradient(0deg,rgba(5,20,28,.6),rgba(5,20,28,0) 42%);
}
.hero-content{position:relative;z-index:3;max-width:var(--max);width:100%;margin:0 auto;padding:120px 28px 90px}
.hero-eyebrow{
  font-size:.82rem;letter-spacing:.24em;color:var(--gold);font-weight:700;
  margin-bottom:26px;display:inline-flex;align-items:center;gap:12px;
}
.hero-eyebrow::before{content:"";width:38px;height:1.5px;background:var(--gold)}
.hero-title{
  font-family:var(--serif);font-weight:600;
  font-size:clamp(2.1rem,5.4vw,4rem);line-height:1.28;letter-spacing:-.02em;
  text-shadow:0 2px 30px rgba(0,0,0,.25);
}
.hero-title span{color:var(--gold);position:relative}
.hero-desc{margin-top:26px;font-size:clamp(1rem,1.6vw,1.18rem);color:rgba(255,255,255,.86);font-weight:300;line-height:1.85}
.hero-actions{margin-top:40px;display:flex;gap:14px;flex-wrap:wrap}
.hero-badges{
  margin-top:64px;display:flex;gap:44px;flex-wrap:wrap;
  padding-top:34px;border-top:1px solid rgba(255,255,255,.18);
}
.hero-badges li{display:flex;flex-direction:column;gap:4px}
.hero-badges strong{font-family:var(--serif);font-size:2rem;font-weight:700;color:#fff;line-height:1}
.hero-badges strong em{font-style:normal;font-size:1rem;color:var(--gold)}
.hero-badges span{font-size:.86rem;color:rgba(255,255,255,.7);letter-spacing:.02em}
.hero-scroll{
  position:absolute;left:50%;bottom:28px;transform:translateX(-50%);
  color:rgba(255,255,255,.8);font-size:1.4rem;animation:bob 1.8s ease-in-out infinite;
}
@keyframes bob{0%,100%{transform:translate(-50%,0)}50%{transform:translate(-50%,10px)}}
.br-pc{display:inline}

/* ============================================================
   TRUST BAR
   ============================================================ */
.trust{background:var(--teal-800);position:relative;z-index:2}
.trust-inner{
  max-width:var(--max);margin:0 auto;padding:34px 28px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
}
.trust-item{display:flex;align-items:center;gap:16px;color:#fff}
.trust-item .ic{width:38px;height:38px;color:var(--gold);flex-shrink:0}
.trust-item p{display:flex;flex-direction:column;line-height:1.4}
.trust-item strong{font-size:1rem;font-weight:700}
.trust-item span{font-size:.82rem;color:rgba(255,255,255,.6)}
.trust-item+.trust-item{border-left:1px solid rgba(255,255,255,.12);padding-left:20px}

/* ============================================================
   ABOUT
   ============================================================ */
.about{padding:120px 0}
.about-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:70px;align-items:center}
.about-media{position:relative}
.about-media img{border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);aspect-ratio:4/3;object-fit:cover}
.about-media::before{
  content:"";position:absolute;left:-22px;top:-22px;width:120px;height:120px;
  border-left:2px solid var(--gold);border-top:2px solid var(--gold);border-radius:6px 0 0 0;opacity:.6;
}
.about-body .lead{margin-top:24px;font-size:1.12rem;color:var(--ink);font-weight:500;line-height:1.8}
.about-body .body-text{margin-top:18px;color:var(--ink-2);font-size:1rem}
.link-more{
  display:inline-flex;align-items:center;gap:8px;margin-top:30px;
  color:var(--teal-700);font-weight:700;border-bottom:2px solid transparent;padding-bottom:3px;transition:.25s;
}
.link-more span{transition:.25s}
.link-more:hover{border-color:var(--gold)}
.link-more:hover span{transform:translateX(5px)}

/* ============================================================
   SERVICES
   ============================================================ */
.services{padding:110px 0;background:var(--bg-soft)}
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.svc-card{
  background:#fff;border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-sm);transition:.35s cubic-bezier(.2,.7,.3,1);
  border:1px solid var(--line);display:flex;flex-direction:column;
}
.svc-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-md)}
.svc-thumb{aspect-ratio:16/11;overflow:hidden}
.svc-thumb img{width:100%;height:100%;object-fit:cover;transition:.6s ease}
.svc-card:hover .svc-thumb img{transform:scale(1.07)}
.svc-info{padding:26px 26px 28px;display:flex;flex-direction:column;gap:10px;flex:1}
.svc-info h3{font-family:var(--serif);font-size:1.28rem;font-weight:700;color:var(--ink)}
.svc-info p{color:var(--ink-2);font-size:.95rem;flex:1}
.svc-link{color:var(--teal-600);font-weight:700;font-size:.92rem;transition:.25s;align-self:flex-start}
.svc-link:hover{color:var(--gold-dark)}
.svc-card--wide{
  grid-column:span 3;flex-direction:row;align-items:center;
  background:linear-gradient(120deg,var(--teal-800),var(--teal-600));color:#fff;border:none;
}
.svc-card--wide:hover{transform:translateY(-4px)}
.svc-info--dtc{padding:44px 48px;max-width:70%}
.svc-info--dtc h3{color:#fff;font-size:1.7rem}
.svc-info--dtc p{color:rgba(255,255,255,.82)}
.svc-tag{
  display:inline-block;font-size:.72rem;letter-spacing:.16em;color:var(--gold);
  border:1px solid rgba(193,154,84,.5);padding:5px 12px;border-radius:50px;width:fit-content;font-weight:700;
}
.svc-info--dtc .svc-link{color:var(--gold);font-size:1rem}
.svc-dna-deco{margin-left:auto;padding-right:50px;color:rgba(193,154,84,.55)}
.svc-dna-deco svg{width:150px;height:150px;animation:spinY 9s linear infinite}
@keyframes spinY{to{transform:rotateY(360deg)}}

/* ============================================================
   PROCESS
   ============================================================ */
.process{
  padding:110px 0;position:relative;color:#fff;
  background:linear-gradient(135deg,var(--teal-900),var(--teal-700));
}
.process::before{
  content:"";position:absolute;inset:0;opacity:.5;
  background:radial-gradient(circle at 15% 20%,rgba(193,154,84,.16),transparent 40%),
             radial-gradient(circle at 85% 80%,rgba(42,128,123,.35),transparent 45%);
}
.process .section-inner{position:relative}
.process-steps{
  display:grid;grid-template-columns:repeat(6,1fr);gap:16px;counter-reset:step;
}
.process-steps li{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius);padding:28px 20px;text-align:center;
  transition:.3s;backdrop-filter:blur(4px);position:relative;
}
.process-steps li:hover{background:rgba(255,255,255,.11);transform:translateY(-6px);border-color:rgba(193,154,84,.5)}
.step-no{font-family:var(--lat);font-size:2.2rem;font-weight:700;color:var(--gold);display:block;line-height:1}
.process-steps h4{margin-top:12px;font-size:1.02rem;font-weight:700}
.process-steps p{margin-top:6px;font-size:.82rem;color:rgba(255,255,255,.66);line-height:1.5}
.process-cta{margin-top:46px;display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ============================================================
   NEWS / BOARD
   ============================================================ */
.news{padding:110px 0;background:var(--bg)}
.news-grid{display:grid;grid-template-columns:1fr 1fr .78fr;gap:34px}
.board-head{display:flex;align-items:baseline;justify-content:space-between;
  padding-bottom:18px;margin-bottom:6px;border-bottom:2px solid var(--ink)}
.board-head h3{font-family:var(--lat);font-size:1.1rem;letter-spacing:.14em;font-weight:700;color:var(--ink-2)}
.board-head h3 b{font-family:var(--sans);font-size:1.15rem;color:var(--ink);margin-left:4px;letter-spacing:0}
.board-more{font-size:.82rem;color:#9aa8a7;font-weight:600;transition:.2s}
.board-more:hover{color:var(--gold-dark)}
.board-list li a{
  display:flex;align-items:center;gap:12px;padding:15px 4px;
  border-bottom:1px solid var(--line);transition:.2s;
}
.board-list li a:hover{background:var(--bg-soft);padding-left:10px}
.board-list .tag{
  flex-shrink:0;font-size:.7rem;font-weight:700;padding:3px 9px;border-radius:5px;
  background:var(--teal-50);color:var(--teal-700);
}
.board-list .tag.notice{background:#fbf2df;color:var(--gold-dark)}
.board-list .tag.news{background:#e9f1f0;color:var(--teal-600)}
.board-list .ttl{flex:1;font-size:.95rem;color:var(--ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.board-list li a:hover .ttl{color:var(--teal-700)}
.board-list time{flex-shrink:0;font-size:.8rem;color:#9aa8a7;font-variant-numeric:tabular-nums}

.cs-card{
  background:linear-gradient(150deg,var(--teal-800),var(--teal-600));color:#fff;
  border-radius:var(--radius-lg);padding:34px 30px;box-shadow:var(--shadow-md);
  display:flex;flex-direction:column;
}
.cs-card h3{font-family:var(--serif);font-size:1.2rem;font-weight:600}
.cs-tel{font-family:var(--lat);font-size:2.5rem;font-weight:700;color:#fff;margin-top:10px;letter-spacing:.02em;line-height:1}
.cs-fax{color:rgba(255,255,255,.75);font-size:.92rem;margin-top:6px}
.cs-hours{color:rgba(255,255,255,.6);font-size:.82rem;margin-top:14px;padding-top:14px;border-top:1px solid rgba(255,255,255,.15)}
.cs-actions{margin-top:auto;padding-top:22px;display:flex;flex-direction:column;gap:10px}
.cs-btn{padding:13px;border-radius:10px;font-weight:700;font-size:.94rem;text-align:center;transition:.25s}
.cs-btn--kakao{background:#fae100;color:#3a2929}
.cs-btn--kakao:hover{filter:brightness(1.05);transform:translateY(-2px)}
.cs-btn--chat{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.3)}
.cs-btn--chat:hover{background:#fff;color:var(--teal-700)}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer{background:var(--teal-900);color:rgba(255,255,255,.62);padding:60px 0 34px}
.footer-inner{max-width:var(--max);margin:0 auto;padding:0 28px;
  display:grid;grid-template-columns:.8fr 2fr;gap:40px}
.brand--footer{color:#fff}
.brand--footer .brand-mark{color:var(--gold)}
.footer-sns{display:flex;gap:10px;margin-top:22px}
.footer-sns a{
  width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:center;color:#fff;transition:.25s;font-weight:700;
}
.footer-sns a:hover{background:var(--gold);transform:translateY(-2px)}
.footer-info p{font-size:.86rem;margin-bottom:6px;line-height:1.7}
.footer-links{margin-bottom:16px !important}
.footer-links a{color:rgba(255,255,255,.85);font-weight:500;margin-right:20px;transition:.2s;font-size:.9rem}
.footer-links a:hover{color:var(--gold)}
.footer-certs{color:rgba(255,255,255,.45);margin-top:12px !important}
.footer-copy{margin-top:16px !important;font-family:var(--lat);letter-spacing:.05em;color:rgba(255,255,255,.4)}

/* ============================================================
   QUICK MENU
   ============================================================ */
.quick-menu{
  position:fixed;right:22px;top:50%;transform:translateY(-50%);z-index:800;
  display:flex;flex-direction:column;gap:1px;background:var(--line);border-radius:16px;
  overflow:hidden;box-shadow:var(--shadow-md);
}
.quick-item{
  background:#fff;width:76px;padding:14px 6px;display:flex;flex-direction:column;
  align-items:center;gap:5px;transition:.22s;color:var(--ink-2);
}
.quick-item:hover{background:var(--teal-700);color:#fff}
.qi-ic{font-size:1.15rem}
.qi-tx{font-size:.7rem;font-weight:600;letter-spacing:-.02em}
.quick-kakao:hover{background:#fae100;color:#3a2929}
.quick-top{border-top:1px solid var(--line)}

/* ============================================================
   CHATBOT
   ============================================================ */
.chatbot{position:fixed;right:26px;bottom:26px;z-index:950}
.chat-launcher{
  position:relative;width:66px;height:66px;border-radius:50%;
  background:linear-gradient(140deg,var(--teal-600),var(--teal-800));color:#fff;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 12px 30px rgba(12,45,44,.34);transition:.3s;
}
.chat-launcher:hover{transform:scale(1.07) translateY(-2px)}
.chat-launcher::after{
  content:"";position:absolute;inset:-4px;border-radius:50%;
  border:2px solid var(--gold);opacity:.6;animation:ring 2.4s ease-out infinite;
}
@keyframes ring{0%{transform:scale(1);opacity:.6}100%{transform:scale(1.35);opacity:0}}
.chat-launcher-badge{
  position:absolute;top:-4px;right:-4px;background:var(--gold);color:#fff;
  font-size:.66rem;font-weight:700;padding:3px 7px;border-radius:50px;
}
.chatbot.open .chat-launcher{display:none}

.chat-window{
  position:absolute;right:0;bottom:0;width:378px;max-width:calc(100vw - 36px);
  height:560px;max-height:calc(100vh - 60px);background:#fff;border-radius:20px;
  box-shadow:var(--shadow-lg);display:none;flex-direction:column;overflow:hidden;
  transform-origin:bottom right;
}
.chatbot.open .chat-window{display:flex;animation:popIn .32s cubic-bezier(.2,.8,.3,1)}
@keyframes popIn{from{opacity:0;transform:translateY(20px) scale(.94)}to{opacity:1;transform:none}}
.chat-header{
  background:linear-gradient(135deg,var(--teal-800),var(--teal-600));color:#fff;
  padding:18px 20px;display:flex;align-items:center;justify-content:space-between;
}
.chat-header-brand{display:flex;align-items:center;gap:12px}
.chat-avatar{
  width:42px;height:42px;border-radius:50%;background:rgba(255,255,255,.16);
  display:flex;align-items:center;justify-content:center;color:var(--gold);
}
.chat-header-brand strong{display:block;font-size:1rem;font-weight:700}
.chat-header-brand em{font-style:normal;font-size:.76rem;color:rgba(255,255,255,.78);display:flex;align-items:center;gap:6px}
.chat-header-brand .dot{width:7px;height:7px;border-radius:50%;background:#54e39a;box-shadow:0 0 0 3px rgba(84,227,154,.25)}
.chat-close{color:#fff;font-size:1.7rem;line-height:1;opacity:.8;transition:.2s;width:32px;height:32px}
.chat-close:hover{opacity:1;transform:rotate(90deg)}

.chat-body{flex:1;overflow-y:auto;padding:20px 18px;background:var(--bg-soft);display:flex;flex-direction:column;gap:12px}
.chat-body::-webkit-scrollbar{width:6px}
.chat-body::-webkit-scrollbar-thumb{background:#cdd8d7;border-radius:6px}
.msg{max-width:82%;padding:12px 16px;border-radius:16px;font-size:.92rem;line-height:1.6;animation:msgIn .3s ease}
@keyframes msgIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.msg.bot{background:#fff;color:var(--ink);border:1px solid var(--line);border-bottom-left-radius:5px;align-self:flex-start;box-shadow:var(--shadow-sm)}
.msg.user{background:var(--teal-700);color:#fff;border-bottom-right-radius:5px;align-self:flex-end}
.msg.bot b{color:var(--teal-700)}
.msg-typing{display:flex;gap:4px;padding:14px 16px}
.msg-typing span{width:7px;height:7px;border-radius:50%;background:#b7c4c3;animation:typing 1.2s infinite}
.msg-typing span:nth-child(2){animation-delay:.2s}
.msg-typing span:nth-child(3){animation-delay:.4s}
@keyframes typing{0%,60%,100%{opacity:.3;transform:translateY(0)}30%{opacity:1;transform:translateY(-4px)}}

.chat-quick{padding:0 14px 6px;display:flex;flex-wrap:wrap;gap:8px;background:var(--bg-soft)}
.chip{
  background:#fff;border:1.5px solid var(--teal-500);color:var(--teal-700);
  padding:8px 14px;border-radius:50px;font-size:.84rem;font-weight:600;transition:.2s;
}
.chip:hover{background:var(--teal-700);color:#fff;border-color:var(--teal-700)}

.chat-input{display:flex;gap:8px;padding:12px 14px;background:#fff;border-top:1px solid var(--line)}
.chat-input input{
  flex:1;border:1px solid var(--line);border-radius:50px;padding:12px 18px;
  font-family:inherit;font-size:.92rem;outline:none;transition:.2s;
}
.chat-input input:focus{border-color:var(--teal-500);box-shadow:0 0 0 3px rgba(42,128,123,.12)}
.chat-input button{
  width:46px;height:46px;border-radius:50%;background:var(--teal-700);color:#fff;
  display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:.2s;
}
.chat-input button:hover{background:var(--teal-800);transform:scale(1.05)}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:1080px){
  .news-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cs-card{grid-column:span 2;flex-direction:row;flex-wrap:wrap;align-items:center;gap:20px}
  .cs-actions{margin:0 0 0 auto;flex-direction:row;padding:0}
  .process-steps{grid-template-columns:repeat(3,1fr)}
  .svc-info--dtc{max-width:100%}
}
@media (max-width:900px){
  .header-inner{height:72px}
  .main-nav{
    position:fixed;inset:0 0 0 auto;width:min(78vw,320px);background:#fff;
    flex-direction:column;padding:90px 0 40px;box-shadow:var(--shadow-lg);
    transform:translateX(100%);transition:.35s cubic-bezier(.3,.7,.3,1);
  }
  .main-nav.open{transform:none}
  .main-nav ul{flex-direction:column;gap:0}
  .main-nav a{color:var(--ink);padding:16px 32px;border-bottom:1px solid var(--line);border-radius:0}
  .main-nav a::after{display:none}
  .site-header.scrolled .main-nav a{color:var(--ink)}
  .nav-toggle{display:flex;z-index:5}
  .lang-switch,.btn-apply-sm{display:none}
  .about-grid{grid-template-columns:1fr;gap:40px}
  .svc-grid{grid-template-columns:repeat(2,1fr)}
  .svc-card--wide{grid-column:span 2;flex-direction:column;text-align:center}
  .svc-info--dtc{padding:34px 28px}
  .svc-tag{margin-inline:auto}
  .svc-dna-deco{display:none}
  .trust-inner{grid-template-columns:repeat(2,1fr);gap:24px 16px}
  .trust-item:nth-child(odd){border-left:none;padding-left:0}
  .footer-inner{grid-template-columns:1fr;gap:28px}
  .quick-menu{display:none}
  body.nav-open{overflow:hidden}
  .nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg);background:var(--ink)}
  .nav-open .nav-toggle span:nth-child(2){opacity:0}
  .nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg);background:var(--ink)}
}
@media (max-width:560px){
  .section-inner{padding:0 20px}
  .about,.services,.process,.news{padding:74px 0}
  .hero-content{padding:110px 20px 80px}
  .hero-badges{gap:26px}
  .hero-badges strong{font-size:1.6rem}
  .br-pc{display:none}
  .svc-grid{grid-template-columns:1fr}
  .svc-card--wide{grid-column:span 1}
  .news-grid{grid-template-columns:1fr}
  .cs-card{grid-column:span 1;flex-direction:column;align-items:stretch}
  .cs-actions{margin-left:0;flex-direction:column}
  .process-steps{grid-template-columns:repeat(2,1fr)}
  .btn{width:100%}
  .hero-actions{flex-direction:column}
  .chat-window{height:calc(100vh - 90px);width:calc(100vw - 24px)}
  .chatbot{right:16px;bottom:16px}
}

/* ============================================================
   모바일 본문 크기 축소 (2026-07-18)
   560px 이하에서 제목·본문이 과하게 커 보이는 문제 조정
   ============================================================ */
@media (max-width:560px){
  body{font-size:15px;line-height:1.65}

  .hero-title{font-size:1.62rem;line-height:1.4}
  .hero-eyebrow{font-size:.74rem;letter-spacing:.12em}
  .hero-desc,.hero p{font-size:.93rem}

  .section-title{font-size:1.28rem;line-height:1.45}
  .section-sub{font-size:.9rem}
  .eyebrow{font-size:.72rem;letter-spacing:.14em}
  .lead,.about-body .lead{font-size:.97rem;line-height:1.75}

  .svc-info h3{font-size:1.06rem}
  .svc-info p{font-size:.88rem}
  .svc-link{font-size:.88rem}

  .btn{font-size:.95rem}
  .footer-info p{font-size:.8rem}
}

/* ------------------------------------------------------------
   모바일: ABOUT 영상 좌상단 장식선이 영상과 겹쳐 보이는 문제 (2026-07-18)
   ※ '신뢰와 정직' 배지는 아래 제목과 내용이 중복되어 삭제함
   ------------------------------------------------------------ */
@media (max-width:560px){
  .about-media::before{display:none}
}

/* ------------------------------------------------------------
   모바일: 인증기관 4칸이 좁아 글자가 줄줄이 끊기는 문제
   2칸 → 1칸으로 변경 (2026-07-18)
   ------------------------------------------------------------ */
@media (max-width:560px){
  .trust-inner{grid-template-columns:1fr;gap:18px}
  .trust-item+.trust-item{border-left:none;padding-left:0}
  .trust-item{gap:14px}
  .trust-item .ic{width:32px;height:32px}
  .trust-item strong{font-size:.95rem}
  .trust-item span{font-size:.78rem}
}