:root{
  --bg:#FFFFFF;
  --bg-sub:#F0FDF4;
  --accent:#DC2626;
  --accent-sub:#38BDF8;
  --text:#1E293B;
  --radius:12px;
  --gap-img-text:16px;
  --pad-x:24px;
  --section-gap:48px;
  --accent-8:rgba(220,38,38,.08);
  --accent-16:rgba(220,38,38,.16);
  --sub-8:rgba(56,189,248,.10);
  --sub-16:rgba(56,189,248,.18);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:'Pretendard',-apple-system,BlinkMacSystemFont,sans-serif;
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none;margin:0;padding:0}
button{font-family:inherit;cursor:pointer}

h1{font-size:29px;line-height:1.6;font-weight:700;margin:0 0 16px;letter-spacing:-.01em}
h2{font-size:22px;line-height:1.6;font-weight:700;margin:0 0 12px;letter-spacing:-.01em}
h3{font-size:18px;line-height:1.6;font-weight:700;margin:0 0 8px}
h4{font-size:18px;line-height:1.6;font-weight:700;margin:0 0 8px}
p{margin:0 0 16px}

.container{max-width:1120px;margin:0 auto;padding:0 var(--pad-x)}
.section{padding:var(--section-gap) 0;position:relative}
.section-bg{background:var(--bg-sub)}

/* section-bg subtle decorative wash, purely visual, no new colors */
.section-bg::before{
  content:"";position:absolute;inset:0;pointer-events:none;overflow:hidden;
  background:
    radial-gradient(480px 280px at 92% 0%, var(--sub-16), transparent 70%),
    radial-gradient(420px 260px at 4% 100%, var(--accent-8), transparent 70%);
}
.section-bg .container{position:relative}

.section-head{margin-bottom:32px}
.section-head::before{
  content:"";display:block;width:56px;height:6px;border-radius:999px;margin-bottom:16px;
  background:linear-gradient(90deg,var(--accent),var(--accent) 60%,var(--accent-sub));
}
.section-head.kicker-blue::before{background:linear-gradient(90deg,var(--accent-sub),var(--accent-sub) 60%,var(--accent))}
.section-head .title{font-weight:800}
.section-head .subtitle{font-weight:400;color:var(--text);opacity:.72;margin-top:8px;max-width:640px}

/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;border-radius:var(--radius);
  font-weight:700;border:none;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,filter .18s ease;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 10px 20px -8px var(--accent-16),0 2px 6px rgba(15,23,42,.08)}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.05);box-shadow:0 14px 26px -8px var(--accent-16),0 4px 8px rgba(15,23,42,.1)}
.btn-outline{background:#fff;color:var(--accent);border:1.5px solid var(--accent)}
.btn-outline:hover{background:var(--accent-8);transform:translateY(-2px)}
.btn-sub{background:var(--accent-sub);color:#fff}
.btn-group{display:flex;gap:12px;flex-wrap:wrap}

/* icons */
.icon{width:24px;height:24px;flex:none}

/* icon badge: wraps a bare icon in a soft tinted rounded tile for visual weight */
.icon-badge{
  display:inline-flex;align-items:center;justify-content:center;flex:none;
  width:48px;height:48px;border-radius:var(--radius);
  background:var(--accent-8);margin-bottom:var(--gap-img-text);
}
.icon-badge .icon{width:24px;height:24px}
.icon-badge.is-sub{background:var(--sub-8)}

/* header */
.site-header{
  position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);
  backdrop-filter:saturate(1.2) blur(8px);
  border-bottom:1px solid var(--bg-sub);
}
.site-header .container{display:flex;align-items:center;justify-content:space-between;height:64px;gap:12px}
.site-logo{display:flex;align-items:center;gap:10px}
.site-logo img{width:32px;height:32px}
.site-logo-text{display:flex;flex-direction:column;line-height:1.25}
.site-logo-ko{font-weight:700;font-size:17px}
.site-logo-en{font-weight:400;font-size:11px;color:var(--text);opacity:.6;letter-spacing:.03em}
.nav-pc{display:none}
.nav-pc ul{display:flex;align-items:center;gap:28px}
.nav-pc a{display:flex;align-items:center;gap:6px;font-weight:500;position:relative}
.nav-pc a::after{content:"";position:absolute;left:0;right:0;bottom:-22px;height:2px;background:var(--accent);transform:scaleX(0);transition:transform .18s ease}
.nav-pc a:hover::after{transform:scaleX(1)}
.header-right{display:flex;align-items:center;gap:10px}
.hamburger{display:flex;align-items:center;justify-content:center;width:44px;height:44px;background:none;border:none}
.hamburger span,.hamburger span::before,.hamburger span::after{
  content:"";display:block;width:24px;height:2px;border-radius:2px;background:var(--text);position:relative;transition:.2s;
}
.hamburger span::before{position:absolute;top:-8px}
.hamburger span::after{position:absolute;top:8px}
.mobile-menu{max-height:0;overflow:hidden;transition:max-height .3s ease;background:#fff;border-bottom:1px solid var(--bg-sub)}
.mobile-menu.open{max-height:400px}
.mobile-menu ul{padding:8px var(--pad-x) 16px}
.mobile-menu li{border-top:1px solid var(--bg-sub)}
.mobile-menu a{display:flex;align-items:center;gap:10px;min-height:44px}

@media (min-width:768px){
  .nav-pc{display:block}
  .hamburger,.mobile-menu{display:none}
}

/* hero */
.hero{position:relative}
.hero-bg-pc{display:none}
.hero-bg-mobile{width:100%;border-radius:0;height:auto}
.hero-overlay{position:static;background:none}
.hero-content{padding:24px var(--pad-x)}
.hero h1{font-size:29px}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  color:var(--accent);background:var(--accent-8);padding:6px 14px;border-radius:999px;margin-bottom:14px;
}
.hero-kicker::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent-sub)}
@media (min-width:768px){
  .hero{color:#fff}
  .hero-bg-mobile{display:none}
  .hero-bg-pc{display:block;width:100%;height:560px;object-fit:cover}
  .hero-overlay{
    position:absolute;inset:0;display:flex;align-items:center;
    background:linear-gradient(100deg, rgba(15,23,42,.86) 0%, rgba(15,23,42,.62) 42%, rgba(15,23,42,.28) 75%, rgba(15,23,42,.12) 100%);
  }
  .hero .container{max-width:100%;padding-left:6vw;padding-right:6vw}
  .hero-content{padding:0;max-width:680px}
  .hero h1{font-size:48px}
  .hero-content p{font-size:19px}
  .hero-kicker{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.35);box-shadow:none;backdrop-filter:blur(4px)}
  .hero-kicker::before{background:var(--accent-sub)}
}

/* pain points / why us grid */
.point-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media (min-width:768px){.point-grid{grid-template-columns:repeat(3,1fr)}}
.point-card{
  position:relative;background:#fff;border-radius:var(--radius);padding:28px 24px;
  box-shadow:0 1px 2px rgba(15,23,42,.04),0 18px 32px -20px rgba(15,23,42,.22);
  border:1px solid rgba(15,23,42,.06);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.point-card:hover{
  transform:translateY(-5px);
  border-color:transparent;
  box-shadow:0 4px 10px rgba(15,23,42,.06),0 28px 44px -18px rgba(220,38,38,.28);
}
@media (max-width:767px){
  /* 흰 배경 위 흰 카드라 대비가 약해지는 문제 보정: 상단 포인트 라인 + 그림자 보강 */
  .point-card{
    border-color:rgba(15,23,42,.09);
    box-shadow:0 1px 2px rgba(15,23,42,.05),0 14px 26px -14px rgba(15,23,42,.28);
  }
  .point-card::before{
    content:"";position:absolute;top:0;left:24px;right:24px;height:3px;border-radius:0 0 3px 3px;
    background:linear-gradient(90deg,var(--accent),var(--accent-sub));
  }
}
.point-card .point-num{
  display:flex;align-items:center;justify-content:center;width:44px;height:44px;margin-bottom:var(--gap-img-text);
  border-radius:var(--radius);background:var(--accent);color:#fff;font-weight:800;font-size:16px;line-height:1;
  box-shadow:0 8px 16px -8px var(--accent-16);
}
.point-card:nth-child(2) .point-num{background:var(--accent-sub);box-shadow:0 8px 16px -8px var(--sub-16)}
.point-card:nth-child(3) .point-num{background:var(--text)}

/* fullscreen image */
.fullbleed{width:100%;overflow:hidden;position:relative}
.fullbleed-img{width:100%;object-fit:cover}
.fullbleed-parallax{display:none}
@media (min-width:768px){
  .fullbleed-img{display:none}
  .fullbleed-parallax{
    display:block;width:100%;height:480px;
    background-size:cover;background-position:center;background-attachment:fixed;
  }
}

/* case & service grid cards */
.case-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media (min-width:768px){.case-grid{grid-template-columns:repeat(3,1fr)}}

/* service grid: mobile = swipe slider with dots, PC = single 4-column row */
.service-grid{display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;-ms-overflow-style:none;scrollbar-width:none}
.service-grid::-webkit-scrollbar{display:none}
.service-grid .service-card{flex:0 0 78vw;scroll-snap-align:start}
@media (min-width:768px){
  .service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;overflow:visible}
  .service-grid .service-card{flex:none}
}
.case-card,.service-card{
  position:relative;border-radius:var(--radius);overflow:hidden;aspect-ratio:4/3;display:block;
  box-shadow:0 14px 28px -18px rgba(15,23,42,.35);
  transition:transform .25s ease,box-shadow .25s ease;
}
.case-card:hover,.service-card:hover{transform:translateY(-4px);box-shadow:0 20px 36px -16px rgba(15,23,42,.4)}
.case-card img,.service-card img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.case-card:hover img,.service-card:hover img{transform:scale(1.06)}
.case-card::after,.service-card::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(to top, rgba(15,23,42,.82) 0%, rgba(15,23,42,.15) 55%, transparent 75%);
}
.case-caption,.service-caption{
  position:absolute;left:0;right:0;bottom:0;color:#fff;z-index:1;
  padding:16px;display:flex;align-items:flex-end;justify-content:space-between;gap:8px;
}
.case-title,.service-name{font-weight:700;font-size:15px}
.case-view,.service-view{
  font-size:12px;opacity:0;transform:translateY(6px);transition:.25s;
  display:flex;align-items:center;gap:4px;white-space:nowrap;
  background:rgba(255,255,255,.16);padding:4px 10px;border-radius:999px;
}
.case-card:hover .case-view,.service-card:hover .service-view{opacity:1;transform:translateY(0)}
@media (max-width:767px){.case-view,.service-view{opacity:1;transform:none}}
.grid-more{text-align:center;margin-top:32px}

/* about swipe (mobile) */
.about-cards{display:flex;gap:16px}
@media (max-width:767px){
  .about-cards{overflow-x:auto;scroll-snap-type:x mandatory;-ms-overflow-style:none;scrollbar-width:none}
  .about-cards::-webkit-scrollbar{display:none}
  .about-cards .point-card{flex:0 0 100%;scroll-snap-align:start}
}
@media (min-width:768px){.about-cards{display:grid;grid-template-columns:repeat(3,1fr)}}
.dots{display:flex;justify-content:center;gap:10px;margin-top:16px}
.dots span{width:9px;height:9px;border-radius:50%;background:rgba(30,41,59,.24);transition:.2s}
.dots span.active{background:var(--accent);width:22px;border-radius:999px}
@media (min-width:768px){.dots{display:none}}

/* faq accordion */
.faq-list{max-width:100%}
.faq-item{
  border-radius:var(--radius);background:#fff;margin-bottom:12px;
  border:1px solid rgba(15,23,42,.08);
  box-shadow:0 1px 2px rgba(15,23,42,.03);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item.open{border-color:var(--accent-16);box-shadow:0 12px 24px -16px rgba(220,38,38,.3)}
.faq-q{width:100%;text-align:left;background:none;border:none;padding:18px 20px;display:flex;justify-content:space-between;align-items:center;gap:12px;font-weight:700;font-size:18px;min-height:44px}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 20px 20px;margin:0;opacity:.85}
.faq-item.open .faq-a{max-height:600px}
.faq-item.open .faq-q .chev{transform:rotate(180deg);color:var(--accent)}
.faq-q .chev{transition:.2s;flex:none;color:var(--text);opacity:.5}

/* consult cta */
.consult-cta{
  background:linear-gradient(135deg,var(--accent) 0%,#b91c1c 100%);
  color:#fff;text-align:center;position:relative;overflow:hidden;
}
.consult-cta::before{
  content:"";position:absolute;inset:0;opacity:.5;pointer-events:none;
  background:radial-gradient(2px 2px at 20% 30%, rgba(255,255,255,.35) 1px, transparent 0),
             radial-gradient(2px 2px at 70% 65%, rgba(255,255,255,.3) 1px, transparent 0),
             radial-gradient(2px 2px at 90% 20%, rgba(255,255,255,.3) 1px, transparent 0),
             radial-gradient(2px 2px at 40% 80%, rgba(255,255,255,.25) 1px, transparent 0);
  background-size:180px 180px;
}
.consult-cta .container{position:relative}
.consult-cta h2{color:#fff}
.consult-cta p{opacity:.92}
.consult-cta .btn-primary{background:#fff;color:var(--accent);box-shadow:0 10px 20px -8px rgba(0,0,0,.25)}
.consult-cta .btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.7)}

/* footer */
.site-footer{background:var(--text);color:#fff;padding:var(--section-gap) 0;position:relative}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--accent),var(--accent-sub))}
.site-footer .brand{font-weight:700;margin-bottom:12px;font-size:17px}
.site-footer .info p{margin:0 0 6px;opacity:.75;font-size:14px}
.footer-links{display:flex;gap:20px;margin-top:20px;flex-wrap:wrap}
.footer-links a{display:flex;align-items:center;gap:6px;opacity:.85;transition:opacity .2s}
.footer-links a:hover{opacity:1}

/* single detail page (case / service) shared body */
.detail-body{max-width:760px;margin:0 auto;padding:var(--section-gap) var(--pad-x)}
.detail-body h1{font-size:29px}
.detail-body h2{margin-top:40px}
.detail-lead-img{margin:24px 0}
.detail-lead-img img{width:100%;border-radius:var(--radius);display:block;box-shadow:0 20px 36px -20px rgba(15,23,42,.35)}
.detail-lead-img figcaption{font-size:13px;color:var(--text);opacity:.6;margin-top:8px}
.detail-body table{width:100%;border-collapse:collapse;margin:24px 0;border-radius:var(--radius);overflow:hidden;box-shadow:0 1px 2px rgba(15,23,42,.05)}
.detail-body th,.detail-body td{border:1px solid var(--bg-sub);padding:12px;text-align:left;font-size:15px}
.detail-body th{background:var(--bg-sub)}

/* card grid component (used inside detail pages) */
.fcu-card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin:24px 0}
.fcu-card{
  border-radius:var(--radius);padding:20px;background:#fff;
  border:1px solid rgba(15,23,42,.06);border-top:3px solid var(--accent);
  box-shadow:0 14px 24px -18px rgba(15,23,42,.25);
}
.fcu-card h3{margin-bottom:6px}

/* timeline component */
.fcu-timeline{margin:24px 0;padding:0;border-left:2px solid var(--bg-sub)}
.fcu-timeline li{position:relative;padding:0 0 24px 24px}
.fcu-timeline li::before{content:"";position:absolute;left:-7px;top:4px;width:12px;height:12px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px var(--accent-8)}

/* checklist component */
.fcu-checklist li{position:relative;padding:8px 0 8px 32px;border-bottom:1px solid var(--bg-sub)}
.fcu-checklist li::before{content:"";position:absolute;left:0;top:12px;width:18px;height:18px;border-radius:6px;background:var(--accent-sub)}

/* numbered step row component */
.fcu-step-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:24px 0}
.fcu-step{display:flex;flex-direction:column;align-items:center;text-align:center;width:110px}
.fcu-step-num{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;background:var(--accent);color:#fff;font-weight:700;margin-bottom:6px;box-shadow:0 8px 16px -8px var(--accent-16)}
.fcu-step-txt{font-size:14px}
.fcu-step-arrow{font-size:20px;color:#94a3b8;padding:0 4px}
@media (max-width:480px){.fcu-step-row{flex-direction:column}.fcu-step-arrow{transform:rotate(90deg)}}

/* details/accordion component (native, for detail pages) */
.fcu-details{border:1px solid rgba(15,23,42,.08);border-radius:var(--radius);padding:16px;margin-bottom:12px;background:#fff}
.fcu-details[open]{border-color:var(--accent-16)}
.fcu-details summary{font-weight:700;cursor:pointer;min-height:44px;display:flex;align-items:center}

/* badge/tag row component */
.fcu-tag-row{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0}
.fcu-tag{display:inline-flex;align-items:center;padding:8px 16px;border-radius:999px;background:var(--bg-sub);color:var(--text);font-size:14px;font-weight:600}

/* quote/callout component */
.fcu-callout{background:var(--bg-sub);border-left:4px solid var(--accent-sub);border-radius:var(--radius);padding:20px;margin:24px 0}
.fcu-callout p{margin:0}

/* fade-in */
.fade-in{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease}
.fade-in.is-visible{opacity:1;transform:translateY(0)}

/* contact page */
.contact-box{max-width:520px;margin:0 auto;padding:var(--section-gap) var(--pad-x);text-align:center}
.contact-box .btn{width:100%}
.contact-info{margin:24px 0;text-align:left;background:var(--bg-sub);border-radius:var(--radius);padding:20px}
.contact-info p{margin:0 0 8px;font-size:15px}
.contact-info p:last-child{margin-bottom:0}

/* sitemap page */
.sitemap-list{max-width:760px;margin:0 auto;padding:var(--section-gap) var(--pad-x)}
.sitemap-list h2{margin-top:32px}
.sitemap-list li{min-height:44px;display:flex;align-items:center;border-bottom:1px solid var(--bg-sub)}
.center-row{display:flex;justify-content:center}