/* =========================================================
   CSS VARIABLES
   ========================================================= */
:root {
  --orange:       #E07B1A;
  --orange-dark:  #C26812;
  --orange-deep:  #A85A0A;
  --orange-light: #F5A623;
  --orange-pale:  #FFF3E0;
  --orange-glow:  rgba(224,123,26,.25);
  --dark:         #141414;
  --dark-soft:    #1e1e1e;
  --gray-900:     #222;
  --gray-700:     #333;
  --gray-400:     #888;
  --gray-200:     #e5e5e5;
  --gray-100:     #f5f5f5;
  --white:        #fff;
  --max-w:        1320px;
  --radius:       12px;
  --shadow:       0 8px 40px rgba(0,0,0,.08);
  --transition:   .35s cubic-bezier(.4,0,.2,1);
  /* 동적으로 JS가 업데이트: 상단=120px, 스크롤=64px */
  --header-h:     120px;
}

/* =========================================================
   RESET
   ========================================================= */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-font-smoothing:subpixel-antialiased;-moz-osx-font-smoothing:auto;text-rendering:optimizeLegibility}
body{font-family:'Noto Sans KR','Noto Sans','Apple SD Gothic Neo',sans-serif;color:var(--gray-900);background:var(--white);overflow-x:hidden}
a{text-decoration:none;color:inherit}
ul,ol{list-style:none}
img,video{display:block;max-width:100%}
button{font-family:inherit;cursor:pointer;border:none;background:none}

/* =========================================================
   UTILITIES
   ========================================================= */
.container{max-width:var(--max-w);margin:0 auto;padding:0 24px}
.section-label{
  font-family:'Poppins',sans-serif;font-size:14px;font-weight:600;letter-spacing:3px;
  text-transform:uppercase;color:var(--orange);margin-bottom:12px;display:block;
}
.section-heading{font-size:clamp(28px,4vw,44px);font-weight:800;line-height:1.25;margin-bottom:20px}
.section-desc{font-size:17px;color:var(--gray-700);line-height:1.8;max-width:640px}
.btn-primary{
  display:inline-flex;align-items:center;gap:8px;padding:15px 36px;
  background:var(--orange);color:#fff;font-size:15px;font-weight:600;
  border-radius:50px;transition:var(--transition);box-shadow:0 4px 20px var(--orange-glow);
}
.btn-primary:hover{background:var(--orange-dark);transform:translateY(-2px);box-shadow:0 8px 30px var(--orange-glow)}
.btn-outline{
  display:inline-flex;align-items:center;gap:8px;padding:14px 34px;
  border:2px solid #fff;color:#fff;font-size:15px;font-weight:500;
  border-radius:50px;transition:var(--transition);
}
.btn-outline:hover{background:#fff;color:var(--orange)}
.orange-text{color:var(--orange)}

/* =========================================================
   PRELOADER
   ========================================================= */
#preloader{
  position:fixed;inset:0;background:var(--dark);z-index:99999;
  display:flex;align-items:center;justify-content:center;
  transition:opacity .6s, visibility .6s;
}
#preloader.hide{opacity:0;visibility:hidden}
.loader{width:52px;height:52px;border:4px solid rgba(255,255,255,.1);border-top-color:var(--orange);border-radius:50%;animation:spin .8s linear infinite}
.loader-text{
  position:absolute;margin-top:80px;
  font-family:'Poppins';font-size:12px;font-weight:500;letter-spacing:3px;
  text-transform:uppercase;color:rgba(255,255,255,.4);
}
@keyframes spin{to{transform:rotate(360deg)}}

/* =========================================================
   TOP BAR
   ========================================================= */
.top-bar{
  background:var(--dark);color:var(--gray-400);font-size:13px;height:40px;
  display:flex;align-items:center;
  position:fixed;top:0;left:0;right:0;z-index:1001;
  transition:opacity .4s, transform .4s;
}
.top-bar.hidden{
  opacity:0;transform:translateY(-100%);pointer-events:none;
}
.top-bar .container{display:flex;justify-content:space-between;align-items:center}
.top-bar-left{display:flex;gap:24px}
.top-bar-left span{display:flex;align-items:center;gap:6px}
.top-bar-left i{color:var(--orange);font-size:12px}
.top-bar-right{display:flex;gap:14px}
.top-bar-right a{color:var(--gray-400);font-size:15px;transition:color .2s}
.top-bar-right a:hover{color:var(--orange)}

/* =========================================================
   HEADER – korea.ac.kr 스타일 전환
   ========================================================= */
.header{
  position:fixed;top:40px;left:0;right:0;z-index:1000;
  transition:top .4s ease, background .4s ease, box-shadow .4s ease, padding .3s ease;
}

/* 상태 1: 최상단 — 투명 + 흰색 텍스트 */
.header-inner{
  background:rgba(255,255,255,0);
  backdrop-filter:blur(0px);
  border-bottom:1px solid rgba(255,255,255,.12);
  transition:all .4s ease;
}
.header .container{display:flex;align-items:center;justify-content:space-between;height:80px;transition:height .3s ease;}

/* 상태 2: 스크롤 시 — top-bar 숨김, 헤더가 0으로 올라옴 + 흰 배경 */
.header.scrolled{
  top:0;
}
.header.scrolled .header-inner{
  background:rgba(255,255,255,.97);
  backdrop-filter:blur(24px);
  border-bottom:1px solid rgba(0,0,0,.06);
  box-shadow:0 2px 30px rgba(0,0,0,.1);
}
.header.scrolled .container{height:64px;}

/* 로고 */
.logo{display:flex;align-items:center;gap:12px;position:relative}
.logo-mark{
  width:46px;height:46px;background:linear-gradient(135deg,var(--orange),var(--orange-light));
  border-radius:10px;display:flex;align-items:center;justify-content:center;
  color:#fff;font-family:'Poppins';font-weight:800;font-size:18px;
  transition:transform .3s;
}
.logo:hover .logo-mark{transform:rotate(-6deg) scale(1.05)}
.logo-text{font-size:20px;font-weight:800;color:#fff;transition:color .4s}
.logo-text em{font-style:normal;color:var(--orange)}
.header.scrolled .logo-text{color:var(--dark)}
.logo-img{height:28px;width:auto;object-fit:contain;transition:opacity .35s ease}
/* 두 이미지를 같은 위치에 겹쳐서 opacity만 전환 */
.logo-img-wrap{position:relative;display:flex;align-items:center}
.logo-white{display:block;opacity:1}
.logo-black{display:block;opacity:0;position:absolute;top:50%;left:0;transform:translateY(-50%)}
.header.scrolled .logo-white{opacity:0}
.header.scrolled .logo-black{opacity:1}
.header.scrolled .logo-img{filter:none}

/* 내비게이션 — 투명 상태 (흰 텍스트) */
.nav{display:flex;align-items:center;gap:4px}
.nav>li{position:relative}
.nav>li>a{
  position:relative;
  display:flex;align-items:center;justify-content:center;
  min-height:44px;
  padding:0 18px;
  font-size:20px;font-weight:700;line-height:1;
  color:rgba(255,255,255,.92);border-radius:8px;transition:var(--transition);
  white-space:nowrap;
}
.nav>li>a:hover{color:#fff;background:rgba(255,255,255,.12)}
.header.scrolled .nav>li>a{color:var(--gray-900)}
.header.scrolled .nav>li>a:hover{color:var(--orange);background:var(--orange-pale)}

/* 활성 메뉴 표시 */
.nav>li>a.active{color:var(--orange) !important;}
.nav>li>a.active::after{
  content:'';
  position:absolute;
  left:18px;
  right:18px;
  bottom:7px;
  height:2px;
  background:var(--orange);
  border-radius:2px;
}

/* 드롭다운 */
.nav>li:hover .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown{
  position:absolute;top:calc(100% + 8px);left:0;min-width:220px;
  background:#fff;border-radius:var(--radius);box-shadow:0 16px 48px rgba(0,0,0,.14);
  padding:8px;opacity:0;visibility:hidden;transform:translateY(12px);
  transition:var(--transition);border-top:3px solid var(--orange);
}
.dropdown li a{
  display:flex;align-items:center;gap:10px;
  padding:11px 16px;font-size:14px;color:var(--gray-700);
  border-radius:8px;transition:var(--transition);
}
.dropdown li a::before{
  content:'';width:5px;height:5px;border-radius:50%;
  background:var(--orange);opacity:0;transition:opacity .2s;flex-shrink:0;
}
.dropdown li a:hover{background:var(--orange-pale);color:var(--orange);padding-left:20px}
.dropdown li a:hover::before{opacity:1}

/* 헤더 우측 CTA */
.header-cta{display:flex;align-items:center;gap:12px}
.header-cta .btn-primary{padding:10px 26px;font-size:14px}
.header-search-btn{
  width:38px;height:38px;border-radius:8px;display:flex;align-items:center;justify-content:center;
  color:rgba(255,255,255,.8);font-size:16px;transition:var(--transition);
}
.header-search-btn:hover{background:rgba(255,255,255,.15);color:#fff}
.header.scrolled .header-search-btn{color:var(--gray-700)}
.header.scrolled .header-search-btn:hover{background:var(--gray-100);color:var(--orange)}
.mobile-toggle{display:none;font-size:22px;color:rgba(255,255,255,.9);padding:8px}
.header.scrolled .mobile-toggle{color:var(--dark)}

/* =========================================================
   MEGA MENU (선택적 확장)
   ========================================================= */
.nav>li.has-mega:hover .mega-dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.mega-dropdown{
  position:absolute;top:calc(100% + 8px);left:0;
  min-width:180px;width:max-content;max-width:620px;
  background:#fff;border-radius:var(--radius);box-shadow:0 20px 60px rgba(0,0,0,.14);
  padding:24px 28px;opacity:0;visibility:hidden;transform:translateY(12px);
  transition:var(--transition);border-top:3px solid var(--orange);
  display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:16px;
}
.mega-col h5{
  font-size:12px;font-weight:700;letter-spacing:2px;text-transform:uppercase;
  color:var(--orange);margin-bottom:12px;padding-bottom:8px;
  border-bottom:1px solid var(--gray-200);
}
.mega-col a{
  display:flex;align-items:center;gap:8px;padding:8px 0;font-size:14px;color:var(--gray-700);
  border-radius:4px;transition:color .2s;
}
.mega-col a::before{
  content:'';display:inline-block;flex-shrink:0;
  width:0;height:0;
  border-top:4px solid transparent;
  border-bottom:4px solid transparent;
  border-left:6px solid var(--orange);
}
.mega-col a:hover{color:var(--orange)}

/* ─── 사업영역 2열 5행 드롭다운 ─── */
.mega-dropdown.mega-biz{
  grid-template-columns:repeat(2,minmax(160px,1fr));
  padding:16px 16px;gap:4px;
  min-width:400px;max-width:460px;
}
.mega-dropdown.mega-biz a,
.mega-dropdown.mega-div a{
  display:flex;align-items:center;gap:8px;
  padding:9px 12px;border-radius:8px;
  font-size:.83rem;font-weight:600;color:var(--gray-700);
  transition:background .2s,color .2s;
}
.mega-dropdown.mega-biz a::before,
.mega-dropdown.mega-div a::before{
  content:'';display:inline-block;flex-shrink:0;
  width:0;height:0;
  border-top:4px solid transparent;
  border-bottom:4px solid transparent;
  border-left:6px solid var(--orange);
}
.mega-dropdown.mega-biz a:hover,
.mega-dropdown.mega-div a:hover{background:var(--orange-pale);color:var(--orange)}
.mega-dropdown.mega-biz .biz-num{display:none}
.mega-dropdown.mega-div{
  grid-template-columns:repeat(2,1fr);
  padding:14px 18px;gap:4px;
  min-width:340px;max-width:400px;
}

/* =========================================================
   HERO – FULLSCREEN VIDEO (랜덤 3종)
   ========================================================= */
.hero{
  position:relative;height:100vh;min-height:700px;overflow:hidden;
  display:flex;align-items:center;justify-content:center;
}

/* 슬라이드 슬롯 (이미지+비디오 통합) */
.hero-video-wrap{position:absolute;inset:0;width:100%;height:100%}
.hero-slide{
  position:absolute;inset:0;width:100%;height:100%;
  opacity:0;transition:opacity 1.2s ease;
}
.hero-slide.active{opacity:1}
.hero-bg-img{
  position:absolute;inset:0;width:100%;height:100%;
  background-size:cover;
  background-position:center center;
  background-repeat:no-repeat;
}
.hero-bg-video{
  width:100%;height:100%;object-fit:cover;display:block;
}

/* 오버레이 그라디언트 */
.hero-overlay{
  position:absolute;inset:0;z-index:1;
  background:linear-gradient(
    160deg,
    rgba(14,14,14,.82) 0%,
    rgba(20,20,20,.55) 50%,
    rgba(224,123,26,.35) 100%
  );
}

/* 노이즈 텍스처 오버레이 */
.hero-noise{
  position:absolute;inset:0;z-index:2;opacity:.025;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-repeat:repeat;
}

.hero-content{position:relative;z-index:3;text-align:center;color:#fff;padding:0 24px;max-width:1140px}
.hero-badge{
  display:inline-flex;align-items:center;gap:10px;padding:9px 26px;margin-bottom:32px;
  border:1px solid rgba(255,255,255,.22);border-radius:50px;
  font-size:12px;font-weight:600;letter-spacing:3px;text-transform:uppercase;
  backdrop-filter:blur(8px);background:rgba(255,255,255,.08);
}
.hero-badge i{color:var(--orange);font-size:10px}
.hero h1{
  font-size:36px;font-weight:700;line-height:1.12;margin-bottom:26px;
  text-shadow:0 2px 40px rgba(0,0,0,.4);
  letter-spacing:-1px;
}
.hero h1 b{font-weight:900}
.hero h1 span{
  color:var(--orange-light);
  background:linear-gradient(90deg,var(--orange-light),#fff6d6);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
}
.hero h1 .hero-blue-text{
  color:#2b8dff;
  background:none;
  -webkit-background-clip:initial;
  -webkit-text-fill-color:currentColor;
}
.hero h1 .hero-bold-text{
  color:#2b8dff;
  font-weight:700;
  background:none;
  -webkit-background-clip:initial;
  -webkit-text-fill-color:currentColor;
}
.hero h1 .hero-blue-line{display:inline-block;white-space:nowrap}
.hero p{font-size:clamp(16px,2vw,20px);font-weight:300;opacity:.88;line-height:1.75;margin-bottom:48px}
.hero-buttons{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* 비디오 컨트롤러 (왼쪽 하단 점 인디케이터) */
.hero-video-dots{
  position:absolute;bottom:48px;left:50%;transform:translateX(-50%);
  z-index:4;display:flex;gap:10px;align-items:center;
}
.hero-dot{
  width:28px;height:3px;border-radius:3px;background:rgba(255,255,255,.35);
  cursor:pointer;transition:all .3s;overflow:hidden;position:relative;
}
.hero-dot.active{background:var(--orange);width:52px;}
.hero-dot-fill{
  position:absolute;left:0;top:0;height:100%;width:0%;
  background:rgba(255,255,255,.7);
  transition:none;
}
.hero-dot.active .hero-dot-fill{
  animation:dotFill 7s linear forwards;
}
@keyframes dotFillImg{from{width:0%}to{width:100%}}
@keyframes dotFillVid{from{width:0%}to{width:100%}}

/* 스크롤 유도 */
.hero-scroll{
  position:absolute;bottom:48px;right:48px;z-index:4;
  display:flex;flex-direction:column;align-items:center;gap:8px;
  color:rgba(255,255,255,.5);font-size:11px;
  letter-spacing:2.5px;text-transform:uppercase;
}
.hero-scroll-line{
  width:1px;height:40px;background:linear-gradient(to bottom,rgba(255,255,255,.5),transparent);
  animation:scrollLine 2s ease-in-out infinite;
}
@keyframes scrollLine{0%,100%{transform:scaleY(1);opacity:1}50%{transform:scaleY(.5);opacity:.4}}

/* =========================================================
   FLOATING STATS BAR
   ========================================================= */
.stats-bar{
  position:relative;z-index:10;margin-top:-72px;
}
.stats-bar .container{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:#fff;border-radius:16px;overflow:hidden;
  box-shadow:0 24px 64px rgba(0,0,0,.1);
}
.stat-card{
  padding:40px 28px 34px;text-align:center;position:relative;
  min-height:208px;
  transition:var(--transition);cursor:default;
}
.stat-card::after{content:'';position:absolute;top:20%;right:0;height:60%;width:1px;background:var(--gray-200)}
.stat-card:last-child::after{display:none}
.stat-card:hover{background:var(--orange);color:#fff}
.stat-card:hover .stat-num,.stat-card:hover .stat-title,.stat-card:hover .stat-desc,.stat-card:hover .stat-icon{color:#fff}
.stat-card:hover .stat-inline-label{color:#fff}
.stat-icon{font-size:28px;color:var(--orange);margin-bottom:16px;transition:color .3s}
.stat-inline-rate{display:flex;align-items:center;justify-content:center;gap:18px;width:100%;text-align:center}
.stat-inline-label{font-size:18px;font-weight:800;color:var(--gray-800);line-height:1;transition:color .3s}
.stat-num{font-family:'Poppins';font-size:40px;font-weight:800;color:var(--dark);transition:color .3s}
.stat-num span{font-size:24px;font-weight:400}
.stat-title{
  margin-top:10px;
  font-size:18px;
  font-weight:800;
  color:var(--gray-900);
  line-height:1.45;
  letter-spacing:-0.01em;
  transition:color .3s;
}
.stat-desc{
  margin-top:10px;
  font-size:14px;
  font-weight:700;
  color:var(--gray-700);
  line-height:1.5;
  letter-spacing:-0.01em;
  transition:color .3s;
}

/* =========================================================
   ABOUT
   ========================================================= */
.about{padding:120px 0}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.about-images{position:relative}
.about-img-main{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.about-img-main img{width:100%;height:480px;object-fit:cover}
.about-img-float{
  position:absolute;bottom:-40px;right:-40px;width:240px;height:200px;
  border-radius:var(--radius);overflow:hidden;border:6px solid #fff;
  box-shadow:var(--shadow);
}
.about-img-float img{width:100%;height:100%;object-fit:cover}
.about-accent{
  position:absolute;top:-20px;left:-20px;width:100px;height:100px;
  background:var(--orange-pale);border-radius:50%;z-index:-1;
}
.about-text .section-desc{margin-bottom:32px}
.about-features{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:36px}
.about-feat{display:flex;align-items:flex-start;gap:14px}
.about-feat-icon{
  min-width:44px;height:44px;border-radius:10px;background:var(--orange-pale);
  display:flex;align-items:center;justify-content:center;
  color:var(--orange);font-size:18px;
}
.about-feat h4{font-size:15px;font-weight:700;margin-bottom:2px}
.about-feat p{font-size:13px;color:var(--gray-700);line-height:1.5}

/* =========================================================
   SERVICES
   ========================================================= */
.services{padding:120px 0;background:var(--gray-100)}
.services-header{text-align:center;margin-bottom:64px}
.services-header .section-desc{margin:0 auto}
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.service-card{
  background:#fff;border-radius:16px;padding:44px 36px;
  position:relative;overflow:hidden;transition:var(--transition);
  box-shadow:0 2px 20px rgba(0,0,0,.04);
}
.service-card::before{
  content:'';position:absolute;top:0;left:0;width:100%;height:4px;
  background:linear-gradient(90deg,var(--orange),var(--orange-light));
  transform:scaleX(0);transform-origin:left;transition:transform .4s;
}
.service-card:hover{transform:translateY(-8px);box-shadow:0 20px 50px rgba(224,123,26,.12)}
.service-card:hover::before{transform:scaleX(1)}
.service-icon{
  width:64px;height:64px;border-radius:14px;
  background:linear-gradient(135deg,var(--orange),var(--orange-light));
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:26px;margin-bottom:24px;
  box-shadow:0 8px 24px var(--orange-glow);
}
.service-card h3{font-size:20px;font-weight:700;margin-bottom:12px}
.service-card p{font-size:14px;color:var(--gray-700);line-height:1.8}
.service-card .learn-more{
  display:inline-flex;align-items:center;gap:6px;margin-top:20px;
  font-size:14px;font-weight:600;color:var(--orange);transition:gap .3s;
}
.service-card:hover .learn-more{gap:12px}

/* =========================================================
  BIZ MAIN CARDS (8개 사업영역 / 4열 그리드)
  ========================================================= */
.biz-cards-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
}
.biz-main-card{
  display:flex;flex-direction:column;
  background:#fff;border-radius:18px;
  overflow:hidden;text-decoration:none;color:inherit;
  box-shadow:0 8px 28px rgba(22,31,45,.06);
  border:1px solid #e8edf4;
  transition:transform .3s,box-shadow .3s,border-color .3s;
}
.biz-main-card:hover{
  transform:translateY(-5px);
  box-shadow:0 18px 40px rgba(20,32,50,.12);
  border-color:var(--orange);
}
.biz-main-card-img{
  width:100%;height:112px;
  position:relative;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  overflow:hidden;padding:16px 12px 10px;
}
/* 카드별 배경 그라디언트 */
.biz-ill-01,.biz-ill-02,.biz-ill-03,.biz-ill-04,
.biz-ill-05,.biz-ill-06,.biz-ill-07,.biz-ill-08,.biz-ill-09{
  background:linear-gradient(180deg,#ffffff 0%,#fbfcfe 100%);
}
.biz-main-card-img::before{
  content:'';
  position:absolute;
  top:22px;
  left:50%;
  width:74px;
  height:74px;
  transform:translateX(-50%);
  border-radius:50%;
  background:linear-gradient(180deg,#f6efe6 0%,#efe5d8 100%);
  box-shadow:inset 0 0 0 1px #e6d6bf;
}
/* 일러스트 이미지 */
.biz-main-card-img img{
  position:relative;
  z-index:1;
  height:44px;width:44px;
  object-fit:contain;
  filter:grayscale(.18) contrast(1.08);
  transition:transform .35s;
}
.biz-main-card:hover .biz-main-card-img img{transform:scale(1.08) translateY(-1px)}
.biz-main-card-num{
  position:absolute;top:12px;left:12px;z-index:2;
  font-family:'Poppins',sans-serif;font-size:.65rem;font-weight:800;
  color:#fff;letter-spacing:.08em;
  background:var(--orange);border-radius:6px;padding:3px 8px;
  line-height:1.4;
}
.biz-main-card-body{
  padding:14px 20px 20px;
  display:flex;flex-direction:column;flex:1;
  border-top:1px solid #eef2f7;
  text-align:center;
}
.biz-main-card-body h3{
  font-size:1.42rem;font-weight:800;color:#1d2432;
  margin-bottom:12px;line-height:1.2;
  letter-spacing:-.02em;
}
.biz-main-card-body p{
  font-size:.88rem;color:#4f5d73;line-height:1.65;flex:1;
  word-break:keep-all;
}
.biz-main-learn{
  display:inline-flex;align-items:center;gap:5px;
  margin:16px auto 0;
  font-size:.84rem;font-weight:700;
  color:var(--orange);transition:gap .25s;
}
.biz-main-card:hover .biz-main-learn{gap:10px}
/* OD 카드 전용: 상세보기 센터, 홈페이지 우측 고정 */
.biz-od-actions{
  position:relative;
  display:flex;align-items:center;justify-content:center;
  margin-top:16px;width:100%;
}
.biz-od-site{
  display:inline-flex;align-items:center;gap:4px;
  font-size:.78rem;font-weight:700;
  color:#fff;background:#1a3a6e;
  padding:5px 11px;border-radius:20px;
  text-decoration:none;
  position:absolute;right:0;top:50%;transform:translateY(-50%);
  transition:background .2s,gap .25s;
  white-space:nowrap;
}
.biz-od-site:hover{background:#0d2650;gap:7px;}
@media(max-width:1024px){
  .biz-cards-grid{grid-template-columns:repeat(3,1fr);}
}
@media(max-width:768px){
  .biz-cards-grid{grid-template-columns:repeat(2,1fr);gap:16px;}
  .biz-main-card-img{height:100px;}
  .biz-main-card-img::before{top:18px;width:66px;height:66px;}
  .biz-main-card-img img{height:40px;width:40px;}
  .biz-main-card-body h3{font-size:1.24rem;}
}
@media(max-width:480px){
  .biz-cards-grid{grid-template-columns:1fr;}
  .biz-main-card-body h3{font-size:1.2rem;}
}

/* =========================================================
   DIVISIONS (사업본부 4열 카드)
   ========================================================= */
.divisions{padding:120px 0;background:#fff}
.divisions-header{text-align:center;margin-bottom:64px}
.divisions-header .section-desc{margin:0 auto}
.div-cards-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.div-card{
  display:flex;flex-direction:column;
  background:#fff;border-radius:16px;
  overflow:hidden;text-decoration:none;color:inherit;
  box-shadow:0 2px 18px rgba(0,0,0,.06);
  border:1.5px solid #edf0f5;
  transition:transform .35s,box-shadow .35s,border-color .35s;
}
.div-card:hover{
  transform:translateY(-6px);
  box-shadow:0 16px 44px rgba(0,0,0,.16);
  border-color:var(--orange);
}
/* 이미지 영역 */
.div-card-img{
  width:100%;height:160px;
  background-size:cover;background-position:center;
  position:relative;flex-shrink:0;
  display:flex;align-items:flex-end;padding:18px 20px;
  transition:filter .35s;
}
.div-card-overlay{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,14,26,.15) 0%,rgba(10,14,26,.72) 100%);
  transition:background .35s;
}
.div-card:hover .div-card-overlay{
  background:linear-gradient(180deg,rgba(10,14,26,.25) 0%,rgba(224,123,26,.75) 100%);
}
.div-card-title{
  position:relative;z-index:1;
  font-size:1.05rem;font-weight:800;
  color:#fff;line-height:1.35;
  text-shadow:0 1px 6px rgba(0,0,0,.35);
}
/* 본문 영역 */
.div-card-body{
  padding:18px 20px 20px;
  display:flex;flex-direction:column;flex:1;
  border-top:1px solid #f0f2f6;
}
.div-card-body p{
  font-size:.88rem;color:#555;line-height:1.7;flex:1;
}
.div-learn{
  display:inline-flex;align-items:center;gap:5px;
  margin-top:12px;font-size:.85rem;font-weight:700;
  color:var(--orange);transition:gap .25s;
}
.div-card:hover .div-learn{gap:10px}
@media(max-width:1100px){
  .div-cards-grid{grid-template-columns:repeat(3,1fr);}
}
@media(max-width:768px){
  .div-cards-grid{grid-template-columns:repeat(2,1fr);gap:16px;}
  .div-card-img{height:130px;}
}
@media(max-width:480px){
  .div-cards-grid{grid-template-columns:1fr;}
}

/* =========================================================
   PROCESS
   ========================================================= */
.process{padding:120px 0}
.process-header{text-align:center;margin-bottom:72px}
.process-header .section-desc{margin:0 auto}
.process-timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative}
.process-timeline::before{
  content:'';position:absolute;top:44px;left:10%;right:10%;height:2px;
  background:linear-gradient(90deg,var(--orange-pale),var(--orange),var(--orange-pale));
}
.process-step{text-align:center;position:relative;padding:0 20px}
.step-number{
  width:88px;height:88px;margin:0 auto 24px;border-radius:50%;
  background:#fff;border:3px solid var(--orange);
  display:flex;align-items:center;justify-content:center;
  font-family:'Poppins';font-size:28px;font-weight:800;color:var(--orange);
  position:relative;z-index:2;transition:var(--transition);
}
.process-step:hover .step-number{
  background:var(--orange);color:#fff;
  box-shadow:0 8px 30px var(--orange-glow);transform:scale(1.08);
}
.process-step h4{font-size:18px;font-weight:700;margin-bottom:8px}
.process-step p{font-size:14px;color:var(--gray-700);line-height:1.7}

/* =========================================================
   CASES (dark)
   ========================================================= */
.cases{padding:100px 0;background:var(--dark);color:#fff}
.cases-header{margin-bottom:56px;text-align:center}
.cases-header .section-label{color:var(--orange-light)}
.cases-header .section-desc{color:rgba(255,255,255,.6);margin:0 auto}
.cases-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.case-card{
  background:var(--dark-soft);border-radius:14px;overflow:hidden;cursor:pointer;
  transition:var(--transition);border:1px solid rgba(255,255,255,.06);
}
.case-card:hover{transform:translateY(-6px);border-color:var(--orange);box-shadow:0 16px 40px rgba(224,123,26,.15)}
.case-thumb{height:180px;overflow:hidden;position:relative}
.case-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.case-thumb-empty{width:100%;height:100%;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#2a2a2a,#1a1a1a);color:rgba(224,123,26,.55);font-size:42px}
.case-card:hover .case-thumb img{transform:scale(1.08)}
.case-tag{
  position:absolute;bottom:12px;left:12px;padding:4px 12px;
  background:var(--orange);color:#fff;border-radius:20px;
  font-size:11px;font-weight:600;display:inline-flex;align-items:center;gap:6px;
}
.case-tag i{font-size:11px;line-height:1}
.case-body{padding:20px}
.case-body h3{
  font-size:15px;font-weight:700;margin-bottom:8px;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.case-body p{
  font-size:13px;color:rgba(255,255,255,.5);line-height:1.7;min-height:44px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.case-meta{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-top:16px;padding-top:14px;border-top:1px solid rgba(255,255,255,.08)}
.case-meta span{font-size:12px;color:rgba(255,255,255,.4)}
.case-meta .case-date i{margin-right:5px;color:var(--orange)}
.case-meta .case-source{color:var(--orange-light);font-weight:600;white-space:nowrap;max-width:50%;overflow:hidden;text-overflow:ellipsis}
.cases-empty{grid-column:1/-1;text-align:center;padding:60px 0;color:rgba(255,255,255,.4);font-size:15px}
.cases-pagination{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:38px;flex-wrap:wrap}
.cases-page-link,.cases-page-nav{width:42px;height:42px;border-radius:999px;border:1px solid rgba(255,255,255,.14);display:inline-flex;align-items:center;justify-content:center;color:rgba(255,255,255,.68);font-size:14px;font-weight:700;transition:var(--transition);background:rgba(255,255,255,.03)}
.cases-page-link:hover,.cases-page-nav:hover{border-color:var(--orange);color:#fff;background:rgba(224,123,26,.16)}
.cases-page-link.is-current{background:var(--orange);border-color:var(--orange);color:#fff;box-shadow:0 10px 24px rgba(224,123,26,.2)}
.case-meta .arrow{
  width:30px;height:30px;border-radius:50%;background:rgba(255,255,255,.06);
  display:flex;align-items:center;justify-content:center;color:var(--orange);transition:var(--transition);
}
.case-card:hover .arrow{background:var(--orange);color:#fff}

/* =========================================================
   소식 팝업 모달 (MC 본부와 동일 크기)
   ========================================================= */
.cnp-modal{position:fixed;inset:0;z-index:1200;display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:opacity .22s}
.cnp-modal.open{opacity:1;pointer-events:all}
.cnp-modal-backdrop{position:absolute;inset:0;background:rgba(0,0,0,.55);backdrop-filter:blur(3px)}
.cnp-modal-box{position:relative;width:min(1110px,92vw);height:92vh;max-height:92vh;background:#fff;border-radius:8px;overflow:hidden;display:flex;flex-direction:column;transform:translateY(18px);transition:transform .22s;box-shadow:0 20px 60px rgba(0,0,0,.22)}
.cnp-modal.open .cnp-modal-box{transform:translateY(0)}
.cnp-modal-close{position:absolute;top:16px;right:20px;background:none;border:none;font-size:24px;color:#888;cursor:pointer;z-index:2;line-height:1;transition:color .15s}
.cnp-modal-close:hover{color:var(--orange)}
.cnp-modal-loading{display:flex;align-items:center;justify-content:center;min-height:200px}
.cnp-modal-spinner{width:32px;height:32px;border:3px solid #eee;border-top-color:var(--orange);border-radius:50%;animation:cnpSpin .7s linear infinite}
@keyframes cnpSpin{to{transform:rotate(360deg)}}
.cnp-modal-content{overflow-y:auto;padding:44px 48px 48px;flex:1}
.cnp-modal-meta{display:flex;flex-wrap:wrap;gap:12px;font-size:12px;color:#888;margin-bottom:14px;align-items:center}
.cnp-modal-meta .cnp-modal-cat{background:var(--orange);color:#fff;padding:3px 12px;border-radius:20px;font-weight:600}
.cnp-modal-title{font-size:clamp(18px,2.2vw,24px);font-weight:700;color:#1a1a1a;line-height:1.45;margin-bottom:20px}
.cnp-modal-divider{width:40px;height:2.5px;background:var(--orange);margin-bottom:24px}
.cnp-modal-body{font-size:14px;line-height:1.85;color:#444;word-break:break-word}
.cnp-modal-body img{max-width:100%;height:auto;border-radius:4px;margin:12px 0}
.cnp-modal-body p{margin-bottom:12px}
@media(max-width:768px){.cnp-modal-content{padding:32px 24px 36px}}

/* =========================================================
   TESTIMONIALS
   ========================================================= */
.testimonials{padding:120px 0;background:var(--orange-pale)}
.testimonials-header{text-align:center;margin-bottom:64px}
.testi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.testi-card{
  background:#fff;border-radius:16px;padding:40px 32px;
  position:relative;transition:var(--transition);
}
.testi-card:hover{transform:translateY(-6px);box-shadow:0 16px 48px rgba(224,123,26,.1)}
.testi-quote{position:absolute;top:20px;right:28px;font-size:60px;font-family:'Poppins';color:var(--orange-pale);font-weight:800;line-height:1}
.testi-stars{color:var(--orange);font-size:14px;margin-bottom:16px;display:flex;gap:2px}
.testi-text{font-size:15px;line-height:1.8;color:var(--gray-700);margin-bottom:24px;font-style:italic}
.testi-author{display:flex;align-items:center;gap:14px}
.testi-avatar{width:48px;height:48px;border-radius:50%;overflow:hidden;border:2px solid var(--orange-pale)}
.testi-avatar img{width:100%;height:100%;object-fit:cover}
.testi-info h4{font-size:15px;font-weight:700}
.testi-info span{font-size:13px;color:var(--gray-400)}

/* =========================================================
   CTA BANNER
   ========================================================= */
.cta-banner{
  padding:100px 0;
  background:linear-gradient(135deg,var(--orange) 0%,var(--orange-deep) 100%);
  color:#fff;text-align:center;position:relative;overflow:hidden;
}
.cta-banner::before{content:'';position:absolute;top:-50%;right:-20%;width:500px;height:500px;background:rgba(255,255,255,.06);border-radius:50%;}
.cta-banner::after{content:'';position:absolute;bottom:-30%;left:-10%;width:400px;height:400px;background:rgba(255,255,255,.04);border-radius:50%;}
.cta-banner .container{position:relative;z-index:2}
.cta-banner h2{font-size:clamp(28px,4vw,42px);font-weight:800;margin-bottom:16px}
.cta-banner p{font-size:18px;opacity:.85;margin-bottom:40px}
.cta-buttons{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.btn-white{
  display:inline-flex;align-items:center;gap:8px;padding:15px 36px;
  background:#fff;color:var(--orange);font-size:15px;font-weight:700;
  border-radius:50px;transition:var(--transition);
}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(0,0,0,.15)}

/* =========================================================
   PARTNERS
   ========================================================= */
.partners{padding:80px 0}
.partners-header{text-align:center;margin-bottom:48px}
.partners-track{
  display:flex;align-items:center;justify-content:center;gap:60px;flex-wrap:wrap;
  opacity:.5;filter:grayscale(1);transition:var(--transition);
}
.partners-track:hover{opacity:.8;filter:grayscale(0)}
.partner-logo{font-family:'Poppins';font-size:22px;font-weight:700;color:var(--gray-700);letter-spacing:1px}

/* =========================================================
   FOOTER
   ========================================================= */
.footer{background:var(--dark);color:rgba(255,255,255,.6);font-size:14px}
.footer-main{padding:64px 0 40px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 2fr 2fr;gap:48px}
.footer-brand .logo{margin-bottom:20px;display:inline-flex}
.footer-contact{list-style:none;padding:0;margin:0}
.footer-contact li{
  display:flex;align-items:flex-start;gap:10px;
  color:rgba(255,255,255,.5);line-height:1.7;margin-bottom:12px;font-size:14px;
}
.footer-contact li i{
  color:var(--orange);font-size:13px;margin-top:3px;flex-shrink:0;width:14px;text-align:center;
}
.footer h4{color:var(--orange-light);font-size:16px;font-weight:700;margin-bottom:20px}
.footer ul li{margin-bottom:10px}
.footer ul li a{color:rgba(255,255,255,.45);transition:color .2s}
.footer ul li a:hover{color:var(--orange-light)}
.footer-col-2 ul{
  column-count:2;column-gap:20px;column-fill:auto;
  max-height:204px;
}
.footer-bottom{padding:24px 0;border-top:1px solid rgba(255,255,255,.06);font-size:13px;color:rgba(255,255,255,.3)}
.footer-bottom-inner{display:flex;align-items:center;gap:32px}
.footer-bottom-logo{flex-shrink:0}
.footer-bottom-logo img{height:44px;width:auto;display:block;object-fit:contain;opacity:.9;transition:opacity .2s}
.footer-bottom-logo a:hover img{opacity:1}
.footer-bottom-right{flex:1;text-align:left}
.footer-bottom-links{margin-bottom:14px;display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap;padding-bottom:14px;border-bottom:1px solid rgba(255,255,255,.06)}
.footer-bottom-links a{color:rgba(255,255,255,.55);font-size:15px;text-decoration:none;transition:color .2s}
.footer-bottom-links a:hover{color:var(--orange-light)}
.footer-divider{color:rgba(255,255,255,.2);font-size:14px}
.footer-bottom-info{color:rgba(255,255,255,.3);font-size:14px;line-height:1.8;margin:0 0 4px}
.footer-bottom-copy{color:rgba(255,255,255,.25);font-size:14px;margin:0}

/* ── Footer popup ─────────────────────────────────────── */
.footer-popup-overlay{
  position:fixed;inset:0;z-index:9999;
  background:rgba(0,0,0,.55);backdrop-filter:blur(3px);
  display:flex;align-items:center;justify-content:center;padding:20px;
}
.footer-popup-box{
  background:#fff;border-radius:12px;width:100%;max-width:680px;
  max-height:80vh;display:flex;flex-direction:column;
  box-shadow:0 24px 60px rgba(0,0,0,.25);overflow:hidden;
}
.footer-popup-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:20px 28px;border-bottom:1px solid #eee;flex-shrink:0;
}
.footer-popup-head h2{margin:0;font-size:17px;font-weight:700;color:#111}
.footer-popup-close{
  background:none;border:none;font-size:24px;line-height:1;
  color:#888;cursor:pointer;padding:0 4px;transition:color .15s;
}
.footer-popup-close:hover{color:#111}
.footer-popup-body{
  padding:24px 28px;overflow-y:auto;font-size:14px;color:#444;line-height:1.8;
}
.footer-popup-body h3{font-size:15px;font-weight:700;color:#222;margin:20px 0 8px}
.footer-popup-body h3:first-child{margin-top:0}
.footer-popup-body p{margin:0 0 10px}
.footer-popup-body ul{padding-left:20px;margin:0 0 14px}
.footer-popup-body ul li{margin-bottom:6px}
.footer-popup-body .popup-notice{
  background:#fff8f0;border-left:3px solid var(--orange);
  padding:10px 14px;border-radius:4px;font-weight:600;color:#444;margin:14px 0;
}

/* =========================================================
   SCROLL-TO-TOP
   ========================================================= */
.scroll-top{
  position:fixed;bottom:100px;right:32px;width:48px;height:48px;
  background:var(--orange);color:#fff;border-radius:12px;
  font-size:16px;opacity:0;visibility:hidden;transition:var(--transition);
  box-shadow:0 8px 24px var(--orange-glow);z-index:990;
  display:flex;align-items:center;justify-content:center;
}
.scroll-top.show{opacity:1;visibility:visible}
.scroll-top:hover{background:var(--orange-dark);transform:translateY(-4px)}

/* =========================================================
   RIGHT FLOATING SIDEBAR (korea.ac.kr 스타일)
   overflow:hidden 없이 tooltip 방식으로 레이블 표시
   ========================================================= */
.sidebar-right{
  position:fixed;right:0;top:50%;transform:translateY(-50%);
  z-index:951;display:flex;flex-direction:column;
  border-radius:12px 0 0 12px;
  box-shadow:-4px 0 28px rgba(0,0,0,.12);
}

.sidebar-item{
  position:relative;
  background:#fff;
  border-bottom:1px solid rgba(0,0,0,.06);
  border-left:3px solid transparent;
  transition:border-left-color .2s ease, background .2s ease;
}
.sidebar-item:first-child{border-radius:12px 0 0 0}
.sidebar-item:last-child{border-radius:0 0 0 12px;border-bottom:none}
.sidebar-item:hover{
  background:#f9f9f9;
  border-left-color:var(--orange);
}

.sidebar-item a{
  display:flex;align-items:center;justify-content:center;
  width:52px;height:52px;
  color:var(--gray-700);
}
.sidebar-item i{
  font-size:18px;color:var(--gray-400);transition:color .3s;
}
.sidebar-item:hover i{color:var(--orange)}

/* 라벨: 아이콘 왼쪽에 툴팁으로 슬라이드 표시 */
.sidebar-label{
  position:absolute;
  right:100%;
  top:50%;
  transform:translateY(-50%) translateX(6px);
  background:#fff;
  color:var(--gray-700);
  font-size:13px;font-weight:700;
  white-space:nowrap;
  padding:8px 16px;
  border-radius:8px 0 0 8px;
  box-shadow:-4px 2px 20px rgba(0,0,0,.1);
  border:1px solid rgba(0,0,0,.07);
  border-right:none;
  opacity:0;visibility:hidden;
  transition:opacity .2s ease, transform .2s ease, visibility .2s;
  pointer-events:none;
  z-index:2;
}
.sidebar-item:hover .sidebar-label{
  opacity:1;visibility:visible;
  transform:translateY(-50%) translateX(0);
}

/* 강조(오렌지) 아이템 */
.sidebar-item.accent{background:var(--orange)}
.sidebar-item.accent i{color:#fff}
.sidebar-item.accent:hover{background:var(--orange-dark);border-left-color:var(--orange-dark)}
.sidebar-item.accent .sidebar-label{background:var(--orange-dark);color:#fff;border-color:var(--orange-deep)}

/* 연락처 복사 버튼 */
.sidebar-contact button{
  display:flex;align-items:center;justify-content:center;
  width:52px;height:52px;
  background:none;border:none;padding:0;cursor:pointer;
}
.sidebar-contact button i{font-size:18px;color:var(--gray-400);transition:color .3s}
.sidebar-contact:hover button i{color:var(--orange)}
.copy-toast{
  position:absolute;
  right:calc(100% + 2px);
  top:50%;
  transform:translateY(-50%);
  background:#1e293b;
  color:#fff;
  font-size:12px;font-weight:600;
  white-space:nowrap;
  padding:7px 14px;
  border-radius:6px;
  box-shadow:0 4px 16px rgba(0,0,0,.25);
  opacity:0;visibility:hidden;
  transition:opacity .25s,visibility .25s;
  pointer-events:none;
  z-index:3;
}
.copy-toast::after{
  content:'';
  position:absolute;left:100%;top:50%;
  transform:translateY(-50%);
  border:5px solid transparent;
  border-left-color:#1e293b;
}
.copy-toast.show{opacity:1;visibility:visible}

/* =========================================================
   MOBILE MENU (슬라이드인)
   ========================================================= */
.mobile-nav-overlay{
  position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:1099;
  opacity:0;visibility:hidden;transition:var(--transition);
}
.mobile-nav-overlay.open{opacity:1;visibility:visible}
.mobile-nav{
  position:fixed;top:0;right:-320px;height:100%;width:300px;
  background:#fff;z-index:1100;transition:right .4s cubic-bezier(.4,0,.2,1);
  display:flex;flex-direction:column;overflow-y:auto;
}
.mobile-nav.open{right:0}
.mobile-nav-header{
  display:flex;align-items:center;justify-content:space-between;
  padding:20px 24px;border-bottom:1px solid var(--gray-200);
}
.mobile-nav-close{font-size:20px;color:var(--gray-700);padding:6px}
.mobile-nav-list{padding:16px 0;flex:1}
.mobile-nav-list>li{border-bottom:1px solid var(--gray-100)}
.mobile-nav-list>li>a{
  display:flex;justify-content:space-between;align-items:center;
  padding:16px 24px;font-size:15px;font-weight:500;color:var(--gray-900);
}
.mobile-nav-list>li>a i{font-size:12px;color:var(--gray-400);transition:transform .3s}
.mobile-nav-list>li.open>a i{transform:rotate(90deg)}
.mobile-sub{display:none;background:var(--gray-100)}
.mobile-nav-list>li.open .mobile-sub{display:block}
.mobile-sub a{display:block;padding:12px 24px 12px 40px;font-size:14px;color:var(--gray-700)}
.mobile-sub a:hover{color:var(--orange)}
.mobile-nav-cta{padding:20px 24px;border-top:1px solid var(--gray-200)}
.mobile-nav-cta .btn-primary{width:100%;justify-content:center}

/* =========================================================
   SCROLL REVEAL (fade-up)
   ========================================================= */
.reveal{opacity:0;transform:translateY(40px);transition:opacity .7s cubic-bezier(.4,0,.2,1),transform .7s cubic-bezier(.4,0,.2,1)}
.reveal.visible{opacity:1;transform:none}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media(max-width:1100px){
  .sidebar-right{display:none}
}
@media(max-width:1280px){
  .cases-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:1024px){
  .about-grid{grid-template-columns:1fr;gap:48px}
  .about-img-float{right:0;bottom:-20px}
  .services-grid{grid-template-columns:1fr 1fr}
  .process-timeline{grid-template-columns:1fr 1fr;gap:40px}
  .process-timeline::before{display:none}
  .cases-grid{grid-template-columns:1fr 1fr}
  .testi-grid{grid-template-columns:1fr 1fr}
  .stats-bar .container{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .top-bar{display:none}
  .header{top:0}
  .nav,.header-cta{display:none}
  .mobile-toggle{display:block}
  .hero{min-height:600px}
  .hero h1 .hero-blue-line{display:inline;white-space:normal}
  .stats-bar{margin-top:-40px}
  .stats-bar .container{grid-template-columns:1fr 1fr}
  .stat-card{padding:28px 16px}
  .stat-num{font-size:30px}
  .services-grid{grid-template-columns:1fr}
  .process-timeline{grid-template-columns:1fr;gap:32px}
  .cases-grid{grid-template-columns:1fr}
  .testi-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .about-features{grid-template-columns:1fr}
  .scroll-top{right:16px;bottom:80px}
}

.preloader-inner{position:relative;display:flex;flex-direction:column;align-items:center;gap:16px}

/* =========================================================
   CLIENTS – 무한 스크롤 로고 티커
   ========================================================= */
.clients{
  padding:80px 0 60px;background:#f8fafc;
}
.clients-header{text-align:center;margin-bottom:8px}
.clients-header .section-desc{margin:0 auto}

/* 분류 탭 */
.clients-filter{
  display:flex;flex-wrap:wrap;justify-content:center;gap:10px;
  margin:28px 0 36px;
}
.cf-btn{
  padding:9px 22px;border-radius:50px;border:1.5px solid #dde3ed;
  background:#fff;color:var(--gray-700);font-size:14px;font-weight:600;
  cursor:pointer;transition:all .2s;white-space:nowrap;
}
.cf-btn:hover{border-color:var(--orange);color:var(--orange)}
.cf-btn.active{background:var(--orange);border-color:var(--orange);color:#fff}

/* 필터 그리드 */
.clients-grid{
  display:none;
  grid-template-columns:repeat(5,1fr);gap:16px;
  padding-bottom:16px;
}
.clients-grid.is-active{display:grid}
@media(max-width:900px){.clients-grid.is-active{grid-template-columns:repeat(3,1fr)}}
@media(max-width:600px){.clients-grid.is-active{grid-template-columns:repeat(2,1fr)}}
.clients-ticker-wrap{
  width:100%;overflow:hidden;
  -webkit-mask-image:linear-gradient(to right,transparent 0,#000 120px,#000 calc(100% - 120px),transparent 100%);
  mask-image:linear-gradient(to right,transparent 0,#000 120px,#000 calc(100% - 120px),transparent 100%);
}
.clients-row{padding:8px 0}

/* =========================================================
   INQUIRY MODAL
   ========================================================= */
.inq-overlay{
  position:fixed;inset:0;z-index:9999;
  background:rgba(0,0,0,.6);
  display:flex;align-items:center;justify-content:center;padding:16px;
  opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;
}
.inq-overlay.open{opacity:1;visibility:visible}

.inq-box{
  position:relative;
  background:#fff;border-radius:16px;
  width:100%;max-width:640px;max-height:96vh;overflow-y:auto;
  padding:40px 44px 36px;
  box-shadow:0 24px 80px rgba(0,0,0,.18);
  transform:translateY(20px);transition:transform .3s ease;
}
.inq-overlay.open .inq-box{transform:translateY(0)}

.inq-close{
  position:absolute;top:16px;right:20px;
  font-size:22px;line-height:1;color:var(--gray-400);
  background:none;border:none;cursor:pointer;padding:4px 8px;
  transition:color .2s;
}
.inq-close:hover{color:var(--gray-900)}

.inq-title{
  font-size:22px;font-weight:800;color:var(--gray-900);
  margin-bottom:6px;
}
.inq-sub{
  font-size:13px;color:var(--orange);font-weight:600;
  margin-bottom:28px;
}

.inq-form{display:flex;flex-direction:column;gap:16px}

.inq-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}

.inq-field{display:flex;flex-direction:column;gap:6px}
.inq-field--full{grid-column:1/-1}

.inq-field label{
  font-size:13px;font-weight:600;color:var(--gray-700);
}
.inq-field input,
.inq-field textarea{
  width:100%;padding:11px 14px;
  border:1.5px solid var(--gray-200);border-radius:8px;
  font-family:inherit;font-size:14px;color:var(--gray-900);
  background:#fff;transition:border-color .2s,box-shadow .2s;
  outline:none;resize:none;
}
.inq-field input::placeholder,
.inq-field textarea::placeholder{color:#bbb}
.inq-field input:focus,
.inq-field textarea:focus{
  border-color:var(--orange);
  box-shadow:0 0 0 3px var(--orange-glow);
}
.inq-field input.inq-error,
.inq-field textarea.inq-error{
  border-color:#e53e3e;
  box-shadow:0 0 0 3px rgba(229,62,62,.15);
}
.inq-req{color:#e53e3e;font-weight:700}

.inq-privacy{
  background:#f8f9fa;border-radius:10px;
  padding:18px 20px;margin-top:4px;
}
.inq-privacy-title{
  font-size:13px;font-weight:700;color:var(--gray-900);
  margin-bottom:10px;
}
.inq-privacy ol{display:flex;flex-direction:column;gap:3px}
.inq-privacy li{
  font-size:12px;color:var(--gray-700);line-height:1.45;
}
.inq-consent{
  display:flex;align-items:center;gap:10px;
  margin-top:14px;cursor:pointer;
}
.inq-consent input[type="checkbox"]{
  width:18px;height:18px;flex-shrink:0;
  accent-color:var(--orange);cursor:pointer;
}
.inq-consent span{
  font-size:13px;font-weight:600;color:var(--gray-900);
}

.inq-submit{
  width:100%;padding:15px;
  background:var(--orange);color:#fff;
  font-size:15px;font-weight:700;
  border:none;border-radius:50px;
  cursor:pointer;transition:background .2s,transform .2s,opacity .2s;
  display:flex;align-items:center;justify-content:center;gap:8px;
  margin-top:4px;
}
.inq-submit:disabled{
  background:#ccc;cursor:not-allowed;opacity:.7;
}
.inq-submit:not(:disabled):hover{
  background:var(--orange-dark);transform:translateY(-2px);
}

@media(max-width:600px){
  .inq-box{padding:28px 20px 24px}
  .inq-row{grid-template-columns:1fr}
}
.clients-track{
  display:flex;flex-wrap:nowrap;gap:16px;
  width:max-content;
  animation:clientScrollLeft 35s linear infinite;
}
.clients-track.track-right{
  animation-name:clientScrollRight;
  animation-duration:38s;
}
.clients-row:hover .clients-track{animation-play-state:paused}
.client-logo{
  flex-shrink:0;width:168px;height:80px;
  background:#fff;border-radius:10px;
  border:1.5px solid #e2e8f0;
  display:flex;align-items:center;justify-content:center;
  padding:8px 12px;
  transition:border-color .2s,box-shadow .2s,transform .2s;
}
.client-logo:hover{
  border-color:var(--orange);
  box-shadow:0 4px 18px rgba(249,115,22,.12);
  transform:translateY(-2px);
}
.client-logo img{
  max-width:100%;max-height:100%;
  object-fit:contain;
  filter:grayscale(30%) opacity(.85);
  transition:filter .2s;
}
.client-logo:hover img{filter:none}

@keyframes clientScrollLeft{
  from{transform:translateX(0)}
  to{transform:translateX(-50%)}
}
@keyframes clientScrollRight{
  from{transform:translateX(-50%)}
  to{transform:translateX(0)}
}

/* 반응형 */
@media(max-width:768px){
  .clients-ticker-wrap{
    -webkit-mask-image:linear-gradient(to right,transparent 0,#000 40px,#000 calc(100% - 40px),transparent 100%);
    mask-image:linear-gradient(to right,transparent 0,#000 40px,#000 calc(100% - 40px),transparent 100%);
  }
  .client-logo{width:140px;height:68px}
}