:root{
  --black:#000;
  --near-black:#231815;
  --white:#fff;
  --off-white:#f5f5f7;
  --gray:#6e6e73;
  --line:rgba(0,0,0,0.08);
  --line-dark:rgba(255,255,255,0.14);
  --c-green:#52ae32;
  --c-red:#e52046;
  --c-blue:#06aadf;
  --c-orange:#f6a343;
  --c-brand:#d61718;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;color-scheme:light;}
body{
  font-family:'Noto Sans KR', sans-serif;
  color:var(--near-black);
  background:var(--white);
  font-weight:300;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{text-decoration:none;color:inherit;}
.wrap{width:100%;max-width:1100px;margin:0 auto;padding:0 24px;}

h1,h2,h3,h4{font-weight:700;letter-spacing:-0.02em;}

/* ---------- Nav ---------- */
header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(255,255,255,0.9);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .3s ease;
}
header.scrolled{box-shadow:0 4px 20px rgba(0,0,0,0.06);}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:60px;
}
.logo{display:flex;align-items:center;}

/* ---------- CI logo assets (from official CI artwork) ---------- */
.logo-img{height:26px;width:auto;display:block;}
.logo-img-sm{height:15px;}
.mark-img{height:28px;width:auto;display:block;}
.mark-img-lg{height:56px;}
.footer-brand{display:inline-flex;align-items:center;gap:8px;}

#siteNav{display:flex;gap:34px;}
#siteNav a{
  color:var(--near-black);font-size:13.5px;font-weight:500;
  transition:color .2s ease;
}
#siteNav a:hover{color:var(--c-brand);}
.menu-btn{display:none;background:none;border:none;color:var(--near-black);font-size:22px;cursor:pointer;}

/* ---------- Hero ---------- */
.hero{padding:150px 0 0;text-align:center;background:var(--white);overflow:hidden;}
.hero-inner{max-width:680px;margin:0 auto;padding:0 24px;}
.hero .eyebrow{justify-content:center;color:var(--c-brand);}
.hero h1{
  font-size:clamp(34px,6vw,64px);
  line-height:1.18;
  margin-bottom:20px;
}
.hero p{
  font-size:clamp(15px,2vw,17px);
  color:var(--gray);
  font-weight:300;
  max-width:520px;margin:0 auto 36px;
}
.hero p strong{color:var(--near-black);font-weight:500;}
.hero-cta{display:flex;align-items:center;justify-content:center;gap:28px;flex-wrap:wrap;margin-bottom:36px;}

.hero-graphic{width:100%;line-height:0;}
.hero-graphic svg{width:100%;height:auto;display:block;}

.hero-badges{
  display:flex;justify-content:center;gap:clamp(16px,4vw,56px);
  flex-wrap:wrap;
  margin-top:-46px;padding-bottom:70px;position:relative;z-index:2;
}
.h-badge{display:flex;flex-direction:column;align-items:center;gap:12px;cursor:default;}
.h-badge-ic{
  width:80px;height:80px;border-radius:50%;
  background:var(--white);box-shadow:0 12px 28px rgba(0,0,0,0.14);
  display:flex;align-items:center;justify-content:center;
  animation:badgeFloat 3.2s ease-in-out infinite;
  transition:transform .35s cubic-bezier(.34,1.56,.64,1), box-shadow .35s ease, background .3s ease, color .3s ease;
}
.h-badge:nth-child(1) .h-badge-ic{animation-delay:0s;}
.h-badge:nth-child(2) .h-badge-ic{animation-delay:.25s;}
.h-badge:nth-child(3) .h-badge-ic{animation-delay:.5s;}
.h-badge:nth-child(4) .h-badge-ic{animation-delay:.75s;}
@keyframes badgeFloat{
  0%,100%{transform:translateY(0);}
  50%{transform:translateY(-9px);}
}
.h-badge-ic svg{width:32px;height:32px;transition:transform .35s ease;}
.h-badge:hover .h-badge-ic{
  animation-play-state:paused;
  transform:translateY(-12px) scale(1.12);
  box-shadow:0 20px 36px rgba(0,0,0,0.22);
}
.h-badge:hover .h-badge-ic svg{transform:scale(1.15) rotate(-8deg);}
.h-badge:hover .h-badge-ic.ic-red{background:var(--c-red);color:#fff;}
.h-badge:hover .h-badge-ic.ic-blue{background:var(--c-blue);color:#fff;}
.h-badge:hover .h-badge-ic.ic-green{background:var(--c-green);color:#fff;}
.h-badge:hover .h-badge-ic.ic-orange{background:var(--c-orange);color:#fff;}
.h-badge-label{font-size:13px;font-weight:500;color:var(--near-black);transition:transform .3s ease, color .3s ease;}
.h-badge:hover .h-badge-label{transform:translateY(-3px);}
.ic-red{color:var(--c-red);}
.ic-blue{color:var(--c-blue);}
.ic-green{color:var(--c-green);}
.ic-orange{color:var(--c-orange);}

.btn-solid{
  display:inline-block;
  background:var(--c-brand);color:#fff;
  padding:14px 32px;border-radius:980px;
  font-size:14px;font-weight:500;
  transition:transform .2s ease, background .2s ease;
}
.btn-solid:hover{background:#a91215;transform:translateY(-1px);}
.btn-text{
  font-size:14px;font-weight:400;color:var(--c-brand);
  display:inline-flex;align-items:center;gap:4px;
}
.btn-text span{transition:transform .2s ease;}
.btn-text:hover span{transform:translateX(3px);}

/* ---------- Wave dividers ---------- */
.wave-cap{line-height:0;}
.wave-cap svg{width:100%;height:64px;display:block;}
.wave-cap-top{background:#0a0a0a;}
.wave-cap-services{background:var(--off-white);}

/* ---------- Intro wave (About): lean, type-led, mobile-first ---------- */
.intro-wave{
  background:linear-gradient(165deg, #e2373a 0%, #d61718 50%, #231815 100%);
  padding:36px 0 56px;
}
.about-lean{max-width:520px;margin:0 auto;text-align:center;}
.about-lean .mark-img-lg{margin:0 auto 18px;}
.about-lean .eyebrow{justify-content:center;color:rgba(255,255,255,0.75);margin-bottom:22px;}
.about-lean .quote-mark{
  width:24px;height:24px;color:rgba(255,255,255,0.55);
  margin:0 auto 14px;display:block;
}
.about-quote-text{
  font-size:clamp(19px,4.2vw,26px);font-weight:700;color:#fff;
  line-height:1.42;letter-spacing:-0.01em;margin-bottom:30px;
}
.ceo-attrib{display:flex;align-items:center;justify-content:center;gap:12px;}
.ceo-avatar{
  width:40px;height:40px;border-radius:50%;flex-shrink:0;
  background:linear-gradient(135deg, var(--c-green), var(--c-orange));
  color:#fff;font-size:14px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.ceo-attrib{text-align:left;}
.ceo-attrib strong{display:block;font-size:14.5px;font-weight:700;color:#fff;}
.ceo-title{display:block;font-size:12.5px;color:rgba(255,255,255,0.7);}

/* ---------- Section generic ---------- */
section{padding:130px 0;}
.section-head{margin-bottom:64px;}
.section-head h2{font-size:clamp(30px,4.2vw,48px);}
.eyebrow{
  display:flex;align-items:center;gap:8px;
  font-size:12px;font-weight:500;letter-spacing:0.14em;
  text-transform:uppercase;color:var(--c-brand);margin-bottom:14px;
}
.eyebrow::before{content:'';width:7px;height:7px;border-radius:2px;background:currentColor;}
.services .eyebrow{color:var(--c-green);}
.portfolio .eyebrow{color:var(--c-blue);}
.contact .eyebrow{color:var(--c-green);}
.section-head.light h2{color:var(--white);}
.section-sub{font-size:15px;color:var(--gray);margin-top:14px;max-width:480px;}

/* ---------- Services: orbit diagram ---------- */
.services{background:var(--off-white);}

.service-orbit{
  position:relative;width:100%;max-width:520px;aspect-ratio:1/1;
  margin:0 auto;
}
.orbit-spokes{position:absolute;inset:0;width:100%;height:100%;}
.orbit-spokes .spoke{stroke:rgba(0,0,0,0.12);stroke-width:1.5;transition:stroke .3s ease, stroke-width .3s ease;}
.orbit-spokes .spoke.active{stroke-width:2.5;}
.orbit-spokes .spoke.active-green{stroke:var(--c-green);}
.orbit-spokes .spoke.active-red{stroke:var(--c-red);}
.orbit-spokes .spoke.active-blue{stroke:var(--c-blue);}
.orbit-spokes .spoke.active-orange{stroke:var(--c-orange);}

.orbit-hub{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:118px;height:118px;border-radius:50%;
  background:var(--white);box-shadow:0 14px 30px rgba(0,0,0,0.1);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;
  z-index:1;
}
.orbit-hub .mark-img{height:24px;}
.orbit-hub-label{font-size:10px;font-weight:700;letter-spacing:0.12em;color:var(--gray);}

.orbit-node{
  position:absolute;transform:translate(-50%,-50%);
  display:flex;flex-direction:column;align-items:center;gap:8px;
  width:104px;
  background:none;border:none;font-family:inherit;cursor:pointer;
  z-index:2;
}
.orbit-node-ic{
  width:56px;height:56px;border-radius:50%;flex-shrink:0;
  background:var(--white);border:2px solid currentColor;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 14px rgba(0,0,0,0.08);
  transition:transform .35s cubic-bezier(.34,1.56,.64,1), background .3s ease, color .3s ease, box-shadow .3s ease;
}
.orbit-node{cursor:pointer;}
.orbit-node-ic svg{width:22px;height:22px;}
.orbit-node-body{display:flex;flex-direction:column;align-items:center;}
.orbit-node-title{font-size:12.5px;font-weight:500;color:var(--near-black);line-height:1.35;}
.orbit-node-desc-mobile{display:none;}

.orbit-node:hover .orbit-node-ic,
.orbit-node:focus-visible .orbit-node-ic,
.orbit-node.active .orbit-node-ic{
  transform:scale(1.14);box-shadow:0 14px 28px rgba(0,0,0,0.18);
}
.orbit-node.ic-green:hover .orbit-node-ic,.orbit-node.ic-green:focus-visible .orbit-node-ic,.orbit-node.ic-green.active .orbit-node-ic{background:var(--c-green);color:#fff;}
.orbit-node.ic-red:hover .orbit-node-ic,.orbit-node.ic-red:focus-visible .orbit-node-ic,.orbit-node.ic-red.active .orbit-node-ic{background:var(--c-red);color:#fff;}
.orbit-node.ic-blue:hover .orbit-node-ic,.orbit-node.ic-blue:focus-visible .orbit-node-ic,.orbit-node.ic-blue.active .orbit-node-ic{background:var(--c-blue);color:#fff;}
.orbit-node.ic-orange:hover .orbit-node-ic,.orbit-node.ic-orange:focus-visible .orbit-node-ic,.orbit-node.ic-orange.active .orbit-node-ic{background:var(--c-orange);color:#fff;}

.orbit-hint{
  text-align:center;font-size:12.5px;color:var(--gray);
  margin-top:20px;letter-spacing:0.01em;
}
.orbit-detail{
  max-width:520px;margin:14px auto 0;text-align:center;
  padding:28px 32px;border-radius:16px;background:var(--white);
  box-shadow:0 10px 30px rgba(0,0,0,0.06);
  transition:opacity .25s ease;
}
.orbit-detail-num{font-size:12px;font-weight:700;letter-spacing:0.1em;color:var(--c-brand);}
.orbit-detail-title{font-size:19px;margin:6px 0 10px;}
.orbit-detail-desc{font-size:14.5px;color:var(--gray);}

/* ---------- Portfolio (dark): compact diagonal + expandable detail ---------- */
.portfolio{background:#0a0a0a;color:var(--white);}
.timeline-compact{
  position:relative;
  display:flex;justify-content:center;align-items:flex-end;
  gap:clamp(20px,6vw,64px);
  padding:30px 0 10px;
}
.timeline-compact::before{
  content:'';position:absolute;left:10%;right:10%;top:44%;height:2px;
  background:linear-gradient(90deg, var(--c-blue), var(--c-green), var(--c-red));
  opacity:0.35;transform:rotate(-6deg);z-index:0;
}
.tc-item{position:relative;z-index:1;}
.tc-item:nth-child(1){margin-bottom:0;}
.tc-item:nth-child(2){margin-bottom:26px;}
.tc-item:nth-child(3){margin-bottom:52px;}
.tc-item .t-num{margin-bottom:0;}

.timeline-toggle{
  display:flex;align-items:center;gap:6px;margin:28px auto 0;
  background:none;border:1px solid var(--line-dark);color:var(--white);
  padding:10px 22px;border-radius:999px;font-size:13px;cursor:pointer;
  transition:background .2s ease, border-color .2s ease;
}
.timeline-toggle:hover{background:rgba(255,255,255,0.06);border-color:rgba(255,255,255,0.3);}
.timeline-toggle .tt-arrow{display:inline-block;transition:transform .3s ease;}

/* ---------- Portfolio detail: layer popup ---------- */
.timeline-modal{
  position:fixed;inset:0;z-index:2000;
  display:flex;align-items:center;justify-content:center;padding:24px;
  opacity:0;pointer-events:none;
  transition:opacity .3s ease;
}
.timeline-modal.open{opacity:1;pointer-events:auto;}
.timeline-modal-backdrop{
  position:absolute;inset:0;background:rgba(0,0,0,0.72);backdrop-filter:blur(4px);
}
.timeline-modal-panel{
  position:relative;z-index:1;
  background:#0f0f12;color:var(--white);
  border:1px solid var(--line-dark);
  border-radius:20px;padding:44px 40px;
  max-width:920px;width:100%;max-height:85vh;overflow-y:auto;
  box-shadow:0 30px 80px rgba(0,0,0,0.55);
  transform:translateY(16px) scale(0.98);
  transition:transform .3s ease;
}
.timeline-modal.open .timeline-modal-panel{transform:translateY(0) scale(1);}
.timeline-modal-close{
  position:absolute;top:18px;right:18px;
  width:36px;height:36px;border-radius:50%;
  background:rgba(255,255,255,0.06);border:1px solid var(--line-dark);
  color:var(--white);font-size:20px;line-height:1;cursor:pointer;
  transition:background .2s ease;
}
.timeline-modal-close:hover{background:rgba(255,255,255,0.14);}
.timeline-modal-title{font-size:22px;font-weight:700;margin-bottom:30px;}
.timeline-detail{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;}

.t-num{
  position:relative;z-index:1;
  display:inline-block;padding:8px 22px;border-radius:8px;
  color:#fff;font-weight:700;font-size:18px;letter-spacing:-0.01em;
  margin-bottom:22px;
}
.t-blue{background:var(--c-blue);}
.t-green{background:var(--c-green);}
.t-red{background:var(--c-red);}
.t-year ul{list-style:none;display:flex;flex-direction:column;gap:20px;}
.t-year li{font-size:13.5px;color:rgba(255,255,255,0.6);line-height:1.7;}
.t-year b{display:block;color:var(--white);font-weight:500;font-size:14.5px;margin-bottom:4px;}

/* ---------- Contact ---------- */
.contact{background:var(--white);}
.contact .wrap{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;}
.contact h2{font-size:clamp(28px,3.6vw,40px);margin-bottom:16px;}
.contact-head p{font-size:15.5px;color:var(--gray);margin-bottom:30px;}
.contact-list{
  display:flex;flex-direction:column;gap:12px;
  margin-top:34px;max-width:420px;
  border-top:1px solid var(--line);padding-top:26px;
}
.contact-list div{display:flex;justify-content:space-between;gap:16px;font-size:14px;text-align:left;}
.contact-list span{color:var(--gray);flex-shrink:0;}
.map-frame{
  border-radius:20px;overflow:hidden;min-height:360px;
  box-shadow:0 20px 50px rgba(0,0,0,0.12);
}
.map-frame iframe{width:100%;height:100%;min-height:360px;border:0;display:block;}

/* ---------- Footer ---------- */
footer{background:var(--black);padding:28px 0;}
.footer-inner{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;
  font-size:12px;color:rgba(255,255,255,0.4);
}
.footer-inner span:first-child{color:rgba(255,255,255,0.6);}

/* ---------- Reveal on scroll ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s ease, transform .8s ease;}
.reveal.show{opacity:1;transform:translateY(0);}

/* ---------- Responsive ---------- */
@media(max-width:900px){
  .timeline-detail{grid-template-columns:1fr;gap:36px;}
  .timeline-modal-panel{padding:36px 24px;}
  .contact .wrap{grid-template-columns:1fr;}
}
@media(max-width:720px){
  section{padding:90px 0;}
  .intro-wave{padding:32px 0 48px;}
  .about-quote-text{margin-bottom:24px;}
  #siteNav{
    position:fixed;top:60px;right:0;height:calc(100vh - 60px);width:min(76vw,300px);
    background:var(--white);box-shadow:-8px 0 30px rgba(0,0,0,0.08);
    flex-direction:column;gap:0;padding:12px 0;
    transform:translateX(100%);transition:transform .35s ease;
  }
  #siteNav.open{transform:translateX(0);}
  #siteNav a{padding:16px 28px;border-bottom:1px solid var(--line);}
  .menu-btn{display:block;}
  .hide-mobile{display:none;}
  .contact-list div{flex-direction:column;gap:2px;}
  .hero-badges{gap:20px;}
  .h-badge-ic{width:64px;height:64px;}

  /* Orbit diagram stays circular on mobile too, just compact: icon-only nodes, tap for detail */
  .service-orbit{max-width:290px;}
  .orbit-hub{width:78px;height:78px;gap:5px;}
  .orbit-hub .mark-img{height:17px;}
  .orbit-hub-label{font-size:8px;}
  .orbit-node{width:auto;gap:0;}
  .orbit-node-ic{width:42px;height:42px;}
  .orbit-node-ic svg{width:17px;height:17px;}
  .orbit-node-title,.orbit-node-desc-mobile{display:none;}
  .orbit-detail{margin-top:32px;padding:24px 22px;}
}