/* ============================================================
   지성엔지니어링 — LIGHT / PRECISION
   Signature: "spec-sheet framing" — every image is presented like
   a documented engineering sample: corner ticks + mono part-code,
   over a faint draughtsman dot-grid.
   ============================================================ */
:root{
  --paper:#FFFFFF;
  --paper-2:#F4F5F7;
  --card:#FFFFFF;
  --ink:#0E1116;
  --ink-2:#565E69;
  --ink-3:#8A929D;
  --line:#D7DBE0;
  --line-2:#C3C8CF;
  --heat:#1E5FD6;        /* single accent — industrial safety orange */
  --heat-dim:#1848A8;

  --f-display:"Space Grotesk","Pretendard",sans-serif;
  --f-body:"Pretendard",system-ui,sans-serif;
  --f-mono:"Space Mono",ui-monospace,monospace;

  --pad:clamp(20px,5vw,84px);
  --maxw:1600px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  font-family:var(--f-body);color:var(--ink);line-height:1.6;overflow-x:hidden;
  background:var(--paper);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
::selection{background:var(--heat);color:#fff}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
:focus-visible{outline:2px solid var(--heat);outline-offset:3px}
.no-js .reveal{opacity:1!important;transform:none!important}

.mono{font-family:var(--f-mono);letter-spacing:.02em}
.eyebrow{font-family:var(--f-mono);font-size:12px;letter-spacing:.26em;text-transform:uppercase;
  color:var(--ink-2);display:inline-flex;align-items:center;gap:.7em}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--heat);flex:none}

/* ---------- scroll progress ---------- */
.progress{position:fixed;top:0;left:0;height:2px;width:0;background:var(--heat);z-index:80}

/* ============================================================
   NAV
   ============================================================ */
.nav{position:fixed;inset:0 0 auto 0;z-index:60;display:flex;align-items:center;
  justify-content:space-between;padding:18px var(--pad);
  background:rgba(255,255,255,.78);backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;transition:border-color .3s,background .3s}
.nav.scrolled{border-color:var(--line)}
.brand-mark,.loader-mark{background:url("../img/logo.png") center/contain no-repeat;flex:none}
.brand{display:flex;align-items:center;gap:11px}
.brand-mark{width:38px;height:38px}
.brand-txt{display:flex;flex-direction:column;line-height:1.12}
.brand-txt b{font-family:var(--f-display);font-weight:700;font-size:15.5px;letter-spacing:-.01em;color:#fff;transition:color .3s}
.brand-txt small{font-family:var(--f-body);font-weight:400;font-size:9px;letter-spacing:.1em;margin-top:3px;color:#fff;opacity:.72;transition:color .3s}
.gnb.scrolled .brand-txt b,.gnb:hover .brand-txt b,.gnb:focus-within .brand-txt b,.gnb.open .brand-txt b{color:#1B2A6B}
.gnb.scrolled .brand-txt small,.gnb:hover .brand-txt small,.gnb:focus-within .brand-txt small,.gnb.open .brand-txt small{color:#1B2A6B}
/* loading screen */
.loader{position:fixed;inset:0;z-index:200;display:flex;align-items:center;justify-content:center;background:var(--paper)}
.loader.done{opacity:0;visibility:hidden;pointer-events:none;transition:opacity .7s ease,visibility 0s .7s}
.loader-lockup{display:flex;align-items:center;justify-content:center}
.loader-mark{width:clamp(88px,12vw,130px);height:clamp(88px,12vw,130px)}
.loader-text{display:flex;flex-direction:column;line-height:1.15;overflow:hidden;max-width:0;opacity:0;white-space:nowrap;padding-left:24px;box-sizing:border-box}
.lt-ko{font-family:var(--f-display);font-weight:700;font-size:clamp(20px,3vw,30px);letter-spacing:-.01em;color:#1B2A6B}
.lt-en{font-family:var(--f-body);font-weight:400;font-size:clamp(10px,1.4vw,13px);letter-spacing:.13em;margin-top:7px;color:#1B2A6B;opacity:.8}
.nav-links{display:flex;gap:34px;font-size:13.5px;letter-spacing:.04em}
.nav-links a{position:relative;padding:4px 0;color:var(--ink-2);transition:color .25s}
.nav-links a:hover{color:var(--ink)}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--heat);transition:width .35s cubic-bezier(.16,1,.3,1)}
.nav-links a:hover::after{width:100%}
.nav-cta{font-family:var(--f-mono);font-size:12px;letter-spacing:.12em;border:1px solid var(--ink);padding:9px 16px;transition:.25s}
.nav-cta:hover{background:var(--ink);color:var(--paper)}
@media(max-width:900px){.nav-links{display:none}}

/* ===== GNB header ===== */
.gnb{position:fixed;inset:0 0 auto 0;z-index:70;background:transparent;backdrop-filter:blur(0);border-bottom:1px solid transparent;transition:background .3s,border-color .3s,backdrop-filter .3s}
.gnb.scrolled,.gnb:hover,.gnb:focus-within{background:#fff;backdrop-filter:blur(12px);border-color:var(--line)}
.gnb-bar{display:flex;align-items:center;justify-content:space-between;gap:20px;max-width:var(--maxw);margin:0 auto;padding:14px var(--pad)}
.gnb-menu{display:flex;gap:2px;margin-left:auto;margin-right:24px}
.gnb-item{position:relative}
.gnb-top{display:block;padding:22px 20px;font-size:15px;font-weight:500;color:#fff;letter-spacing:-.01em;position:relative;transition:color .3s}
.gnb-top::after{content:"";position:absolute;left:20px;right:20px;bottom:16px;height:2px;background:var(--heat);transform:scaleX(0);transform-origin:left;transition:transform .3s cubic-bezier(.16,1,.3,1)}
.gnb-item:hover .gnb-top::after,.gnb-item:focus-within .gnb-top::after{transform:scaleX(1)}
.gnb.scrolled .gnb-top,.gnb:hover .gnb-top,.gnb:focus-within .gnb-top{color:var(--ink)}
.gnb-sub{position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(8px);min-width:190px;background:#fff;border:1px solid var(--line);box-shadow:0 26px 50px -16px rgba(20,35,80,.18);padding:8px;opacity:0;visibility:hidden;transition:opacity .25s,transform .25s,visibility 0s .25s}
.gnb-item:hover .gnb-sub,.gnb-item:focus-within .gnb-sub{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0);transition:opacity .25s,transform .25s}
.gnb-sub a{display:block;padding:11px 18px;font-size:13.5px;color:var(--ink-2);white-space:nowrap;transition:.18s}
.gnb-sub a:hover{color:var(--heat);background:var(--paper-2)}
.gnb-cta{font-family:var(--f-mono);font-size:12px;letter-spacing:.12em;border:1px solid #fff;padding:10px 18px;color:#fff;transition:.3s;flex:none}
.gnb-cta:hover{background:#fff;color:var(--ink)}
.gnb.scrolled .gnb-cta,.gnb:hover .gnb-cta,.gnb:focus-within .gnb-cta{border-color:var(--ink);color:var(--ink)}
.gnb.scrolled .gnb-cta:hover,.gnb:hover .gnb-cta:hover,.gnb:focus-within .gnb-cta:hover{background:var(--ink);color:#fff}
.gnb-burger{display:none;flex-direction:column;gap:5px;width:40px;height:40px;background:none;border:0;cursor:pointer;align-items:center;justify-content:center}
.gnb-burger span{width:22px;height:2px;background:#fff;transition:.3s}
.gnb.scrolled .gnb-burger span,.gnb:hover .gnb-burger span,.gnb:focus-within .gnb-burger span{background:var(--ink)}
.gnb.open .gnb-burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.gnb.open .gnb-burger span:nth-child(2){opacity:0}
.gnb.open .gnb-burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media(max-width:980px){
  .gnb-menu{display:none} .gnb-cta{display:none} .gnb-burger{display:flex}
  .gnb.open{background:#fff;border-color:var(--line)}
  .gnb.open .gnb-burger span{background:var(--ink)}
  .gnb.open .gnb-menu{display:block;position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);padding:8px var(--pad) 24px;max-height:82vh;overflow:auto;margin:0}
  .gnb.open .gnb-top{padding:14px 0;font-size:17px;color:var(--ink)}
  .gnb.open .gnb-top::after{display:none}
  .gnb.open .gnb-sub{position:static;transform:none;opacity:1;visibility:visible;box-shadow:none;border:0;padding:0 0 10px 14px;min-width:0}
  .gnb.open .gnb-sub a{padding:8px 0;color:var(--ink-3)}
}
/* ============================================================
   documented-image component (SIGNATURE)
   ============================================================ */
.doc{position:relative}
.doc-img{position:relative;overflow:hidden;background:var(--paper-2);border:1px solid var(--line-2)}
.doc-img img,.doc-img video{width:100%;height:100%;object-fit:cover;display:block;
  transition:transform .9s cubic-bezier(.16,1,.3,1);filter:saturate(.96)}
.doc:hover .doc-img img,.doc:hover .doc-img video{transform:scale(1.04)}
.doc .tick{position:absolute;width:14px;height:14px;z-index:2;pointer-events:none}
.doc .tick::before,.doc .tick::after{content:"";position:absolute;background:var(--heat)}
.doc .tick::before{width:14px;height:1.5px;top:0;left:0}
.doc .tick::after{width:1.5px;height:14px;top:0;left:0}
.doc .t-tl{top:-1px;left:-1px}
.doc .t-tr{top:-1px;right:-1px;transform:rotate(90deg)}
.doc .t-br{bottom:-1px;right:-1px;transform:rotate(180deg)}
.doc .t-bl{bottom:-1px;left:-1px;transform:rotate(270deg)}
.doc figcaption{display:flex;justify-content:space-between;align-items:center;
  margin-top:10px;font-family:var(--f-mono);font-size:11px;letter-spacing:.08em;color:var(--ink-3)}
.doc figcaption b{color:var(--ink-2);font-weight:400}

/* ============================================================
   1 · HERO
   ============================================================ */
.hero{position:relative;height:100svh;min-height:620px;overflow:hidden;background:#0b0e13}
.hero-media{position:absolute;inset:0;z-index:0}
.hero-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero-scrim{position:absolute;inset:0;background:linear-gradient(to top,rgba(20,25,35,.72),transparent 55%)}
.hero-inner{position:relative;z-index:2;height:100%;max-width:var(--maxw);margin:0 auto;padding:0 var(--pad) clamp(48px,9vh,104px);display:flex;flex-direction:column;justify-content:flex-end}
.hero .eyebrow{color:#EAF0F6;margin-bottom:24px}
.hero h1{font-family:var(--f-display);font-weight:600;color:#fff;font-size:clamp(46px,8vw,120px);line-height:.94;letter-spacing:-.025em}
.hero h1 .line{display:block;overflow:hidden}
.hero h1 .line span{display:block}
.hero h1 em{font-style:normal;color:var(--heat)}
/* 향후 ®/™ 등 위첨자 기호가 필요하면 별도 span에 font-size:.45em;vertical-align:super; 적용 */
.hero h1 .ko{font-size:.44em;letter-spacing:-.01em;color:#E7EDF3;margin-top:.35em;font-weight:500}
.hero-sub{margin-top:24px;max-width:46ch;color:#D3DBE4;font-size:clamp(15px,1.4vw,17px);line-height:1.75}
.hero-cta{margin-top:32px;display:flex;gap:12px;flex-wrap:wrap}
.hero-cta a{font-family:var(--f-mono);font-size:12px;letter-spacing:.12em;border:1px solid rgba(255,255,255,.55);padding:12px 20px;color:#fff;transition:.25s}
.hero-cta a:hover{background:#fff;color:var(--ink);border-color:#fff}
.hero-ticks span{position:absolute;width:15px;height:15px;z-index:3;pointer-events:none}
.hero-ticks span::before,.hero-ticks span::after{content:"";position:absolute;background:var(--heat)}
.hero-ticks span::before{width:15px;height:1.5px;top:0;left:0}
.hero-ticks span::after{width:1.5px;height:15px;top:0;left:0}
.hero-ticks .tl{top:88px;left:var(--pad)}
.hero-ticks .tr{top:88px;right:var(--pad);transform:rotate(90deg)}
.hero-ticks .br{bottom:24px;right:var(--pad);transform:rotate(180deg)}
.hero-scroll{position:absolute;left:var(--pad);bottom:24px;z-index:3;font-family:var(--f-mono);font-size:11px;letter-spacing:.2em;color:#C7CFD9;display:flex;align-items:center;gap:10px}
.hero-scroll .bar{width:1px;height:38px;background:rgba(255,255,255,.3);position:relative;overflow:hidden}
.hero-scroll .bar::after{content:"";position:absolute;inset:0;background:var(--heat);transform:translateY(-100%);animation:heroCue 2.4s ease-in-out infinite}
@keyframes heroCue{0%{transform:translateY(-100%)}50%{transform:translateY(0)}100%{transform:translateY(100%)}}
@media(max-width:900px){.hero-sub{max-width:38ch}}

/* ledger strip */
.ledger{max-width:var(--maxw);margin:clamp(40px,6vh,80px) auto 0;padding:0 var(--pad)}
.ledger-row{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line-2);border-bottom:1px solid var(--line-2)}
.ledger-cell{padding:26px 20px 24px;border-left:1px solid var(--line);text-align:center}
.ledger-cell:first-child{border-left:0}
.ledger-cell .n{font-family:var(--f-display);font-weight:600;font-size:clamp(30px,3.6vw,50px);line-height:1;letter-spacing:-.02em}
.ledger-cell .n .u{color:var(--heat);font-size:.5em;margin-left:.15em}
.ledger-cell .k{font-family:var(--f-mono);font-size:11px;letter-spacing:.1em;color:var(--ink-3);margin-top:12px;text-transform:uppercase}
@media(max-width:680px){.ledger-row{grid-template-columns:repeat(2,1fr)}.ledger-cell:nth-child(3){border-left:0}.ledger-cell:nth-child(3),.ledger-cell:nth-child(4){border-top:1px solid var(--line)}}

/* ============================================================
   3 · CAPABILITIES — sticky media + scrolling text crossfade (S2)
   ============================================================ */
.cap{padding:0 0 clamp(70px,10vh,130px)}
.cap-head{max-width:var(--maxw);margin:0 auto;padding:0 var(--pad) clamp(46px,7vh,84px);
  display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap}
.cap-head h2{font-family:var(--f-display);font-weight:600;font-size:clamp(32px,4.4vw,62px);line-height:1;letter-spacing:-.02em;margin-top:18px}
.cap-head .side{font-family:var(--f-mono);font-size:12px;color:var(--ink-3);letter-spacing:.08em;max-width:26ch;text-align:right}
.reveal{opacity:0}.from-l{transform:translateX(-64px)}.from-r{transform:translateX(64px)}

/* cap-row: alternating left/right media + text (image split view, not full-bleed sticky) */
.cap-row{display:grid;grid-template-columns:7fr 5fr;gap:clamp(30px,5vw,72px);align-items:center;
  max-width:var(--maxw);margin:0 auto;padding:clamp(40px,6vh,64px) var(--pad)}
.cap-row+.cap-row{border-top:1px solid var(--line)}
.cap-row.rev{grid-template-columns:5fr 7fr}
.cap-row.rev .cap-media-link{order:2}
.cap-row.rev .cap-text{order:1}
.cap-media-link{display:block}
.cap-media .doc-img{aspect-ratio:16/10;border:0;background:#0b0e13}
.cap-media .doc-img::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,12,18,.1),rgba(8,12,18,.26));z-index:1;pointer-events:none}
.cap-slider img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transform:scale(1.015);transition:opacity .9s ease,transform 5.5s ease;filter:saturate(.96)}
.cap-slider img.is-active{opacity:1;transform:scale(1.06);z-index:0}
.cap-media .tick{display:none}
.idx{position:absolute;top:14px;left:14px;z-index:2;font-family:var(--f-mono);font-size:11px;
  letter-spacing:.08em;color:#fff;background:rgba(14,17,22,.55);backdrop-filter:blur(6px);
  padding:6px 12px;border-radius:100px}
.idx b{color:var(--heat);font-weight:600}
.view-more{position:absolute;left:50%;top:50%;z-index:3;transform:translate(-50%,-38%);display:inline-flex;align-items:center;justify-content:center;min-width:118px;height:42px;padding:0 18px;border-radius:100px;background:rgba(255,255,255,.92);color:var(--ink);font-size:14px;font-weight:600;letter-spacing:-.01em;opacity:0;transition:opacity .28s ease,transform .28s ease,background .28s ease;box-shadow:0 16px 36px -18px rgba(0,0,0,.5)}
.cap-media-link:hover .view-more,.cap-media-link:focus-visible .view-more{opacity:1;transform:translate(-50%,-50%)}
.cap-media-link:hover .doc-img::after,.cap-media-link:focus-visible .doc-img::after{background:linear-gradient(180deg,rgba(8,12,18,.18),rgba(8,12,18,.44))}
.cap-media-link:hover .cap-slider img.is-active{transform:scale(1.09)}
.cap-text .k{font-family:var(--f-mono);font-size:12px;letter-spacing:.2em;color:var(--heat);text-transform:uppercase}
.cap-text h3{font-family:var(--f-display);font-weight:600;color:var(--ink);font-size:clamp(24px,2.6vw,34px);line-height:1.2;letter-spacing:-.01em;margin:14px 0 16px}
.cap-text h3 .en{display:block;font-family:var(--f-mono);font-size:.42em;color:var(--ink-3);letter-spacing:.05em;margin-top:8px;text-transform:uppercase;font-weight:400}
.cap-text p{color:var(--ink-2);font-size:15px;line-height:1.8;max-width:48ch;margin-bottom:20px}
.cap-tags{display:flex;flex-wrap:wrap;gap:9px}
.cap-tags span{font-family:var(--f-mono);font-size:12px;letter-spacing:.04em;color:var(--ink-2);border:1px solid var(--line-2);padding:8px 14px;background:var(--card)}
@media(max-width:900px){
  .cap-row,.cap-row.rev{grid-template-columns:1fr;padding:32px var(--pad)}
  .cap-row.rev .cap-media-link,.cap-row.rev .cap-text{order:0}
}

/* ============================================================
   4 · COMPANY
   ============================================================ */
.company{max-width:var(--maxw);margin:0 auto;padding:clamp(70px,10vh,130px) var(--pad);
  display:grid;grid-template-columns:7fr 5fr;gap:clamp(30px,5vw,80px);align-items:center;border-top:1px solid var(--line)}
.company .doc-img{aspect-ratio:5/4}
.company h2{font-family:var(--f-display);font-weight:600;font-size:clamp(28px,3.6vw,48px);line-height:1.08;letter-spacing:-.02em;margin:18px 0 22px}
.company p{color:var(--ink-2);font-size:15.5px;line-height:1.8;max-width:52ch;margin-bottom:16px}
.company .heritage{font-family:var(--f-mono);font-size:12px;color:var(--ink-3);letter-spacing:.08em;margin-top:26px;display:flex;gap:26px;flex-wrap:wrap}
.company .heritage b{color:var(--heat);font-weight:400}
@media(max-width:860px){.company{grid-template-columns:1fr}}

/* certifications strip */
.certs{max-width:var(--maxw);margin:0 auto;padding:0 var(--pad) clamp(70px,10vh,120px)}
.certs-in{border:1px solid var(--line-2);background:var(--card);padding:clamp(28px,4vw,44px);
  display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.certs-in .lbl{font-family:var(--f-mono);font-size:11px;letter-spacing:.16em;color:var(--ink-3);text-transform:uppercase}
.certs-list{display:flex;gap:14px;flex-wrap:wrap}
.certs-list span{font-family:var(--f-display);font-weight:500;font-size:clamp(14px,1.5vw,18px);color:var(--ink);
  border:1px solid var(--line);padding:10px 18px}
.certs-list span em{font-style:normal;color:var(--heat)}

/* ===== Contact us (image bg + spinning arrow badge) ===== */
.contact{position:relative;overflow:hidden;background:#0b0e13}
.contact-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:brightness(.4) saturate(.82) contrast(1.04)}
.contact-scrim{position:absolute;inset:0;background:linear-gradient(115deg,rgba(9,12,18,.9) 0%,rgba(9,12,18,.55) 55%,rgba(12,20,40,.55) 100%)}
.contact-in{position:relative;z-index:2;max-width:var(--maxw);margin:0 auto;padding:clamp(72px,12vh,150px) var(--pad);display:flex;justify-content:space-between;align-items:center;gap:48px;flex-wrap:wrap}
.contact-copy{max-width:640px}
.contact .eyebrow{color:#EAF0F6}
.contact h2{font-family:var(--f-display);font-weight:600;color:#fff;font-size:clamp(30px,4.6vw,62px);line-height:1.03;letter-spacing:-.02em;margin:18px 0 20px}
.contact p{color:#C6D0DB;font-size:16px;line-height:1.75;max-width:52ch;margin-bottom:28px}
.contact-lines{display:flex;flex-wrap:wrap;gap:12px 28px;font-family:var(--f-mono);font-size:13px;letter-spacing:.04em;color:#9FB0C4}
.contact-lines a,.contact-lines span{position:relative}
.contact-lines a:hover{color:#fff}
/* spinning badge */
.spin{position:relative;flex:none;width:clamp(158px,17vw,208px);aspect-ratio:1;display:grid;place-items:center;border-radius:50%;transition:transform .5s cubic-bezier(.16,1,.3,1)}
.spin::before{content:"";position:absolute;inset:0;border-radius:50%;border:1px solid rgba(255,255,255,.28)}
.spin-ring{position:absolute;inset:0;width:100%;height:100%;animation:spinRot 16s linear infinite;transform-origin:center}
.spin-ring text{font-family:var(--f-mono);font-weight:400;font-size:11px;fill:#fff;text-transform:uppercase}
.spin-arrow{position:relative;z-index:2;width:44%;height:44%;border-radius:50%;background:var(--heat);display:grid;place-items:center;box-shadow:0 14px 34px -10px rgba(30,95,214,.7);transition:transform .45s cubic-bezier(.16,1,.3,1)}
.spin-arrow svg{width:40%;height:40%;stroke:#fff;stroke-width:1.7;fill:none}
.spin:hover{transform:scale(1.05)}
.spin:hover .spin-ring{animation-duration:5s}
.spin:hover .spin-arrow{transform:translate(3px,-3px)}
@keyframes spinRot{to{transform:rotate(360deg)}}
@media(prefers-reduced-motion:reduce){.spin-ring{animation:none}}
@media(max-width:760px){.contact-in{justify-content:flex-start}}

/* ============================================================
   FOOTER
   ============================================================ */
.foot{background:var(--ink);color:#DDE2E8;padding:clamp(64px,9vh,110px) var(--pad) 40px}
.foot-in{max-width:var(--maxw);margin:0 auto}
.foot-top{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;align-items:flex-end}
.foot-top h2{font-family:var(--f-display);font-weight:600;color:#fff;font-size:clamp(28px,4vw,56px);line-height:1.02;letter-spacing:-.02em}
.foot-cta{font-family:var(--f-mono);font-size:13px;letter-spacing:.1em;border:1px solid rgba(255,255,255,.35);
  padding:16px 26px;color:#fff;transition:.3s;display:inline-flex;align-items:center;gap:12px}
.foot-cta:hover{background:var(--heat);border-color:var(--heat)}
.foot-info{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-top:clamp(46px,7vh,84px);
  padding-top:24px;border-top:1px solid rgba(255,255,255,.14);font-family:var(--f-mono);font-size:12px;letter-spacing:.05em;color:#8A929D}

/* ===== rich footer ===== */
.foot{background:#0E1116;color:#AEB6C0;padding:clamp(60px,9vh,96px) var(--pad) 34px;position:relative}
.foot-in{max-width:var(--maxw);margin:0 auto}
.foot-grid{display:grid;grid-template-columns:1.35fr 3fr;gap:clamp(36px,5vw,80px)}
.fb-top{display:flex;align-items:center;gap:12px;margin-bottom:20px}
.foot .brand-mark{width:44px;height:44px}
.fb-name{display:flex;flex-direction:column;line-height:1.15}
.fb-name b{font-family:var(--f-display);font-weight:700;color:#fff;font-size:17px;letter-spacing:-.01em}
.fb-name small{font-family:var(--f-body);font-size:9px;letter-spacing:.1em;color:#7C8794;margin-top:3px}
.foot-brand p{color:#8A929D;font-size:13.5px;line-height:1.75;margin:0 0 22px;max-width:36ch}
.foot-company{display:grid;gap:7px;font-family:var(--f-mono);font-size:11.5px;color:#6E7885;letter-spacing:.02em}
.foot-company b{color:#AEB6C0;font-weight:400}
.foot-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.foot-col h4{margin:0 0 14px}
.foot-col h4 a{font-family:var(--f-display);font-weight:600;color:#fff;font-size:14px}
.foot-col h4 a:hover{color:#7FB0FF}
.foot-col a{display:block;color:#8A929D;font-size:12.5px;padding:6px 0;transition:color .2s}
.foot-col>a:hover{color:#7FB0FF}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;margin-top:clamp(44px,6vh,76px);padding-top:22px;border-top:1px solid rgba(255,255,255,.1);font-family:var(--f-mono);font-size:12px;color:#6E7885}
.foot-legal{display:flex;gap:22px}
.foot-legal a:hover{color:#fff}
.to-top{position:absolute;top:clamp(48px,7vh,80px);right:var(--pad);width:60px;height:60px;border-radius:50%;border:1px solid rgba(255,255,255,.22);background:transparent;color:#fff;cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;transition:.3s}
.to-top svg{width:18px;height:18px}
.to-top span{font-family:var(--f-mono);font-size:9px;letter-spacing:.12em}
.to-top:hover{background:var(--heat);border-color:var(--heat);transform:translateY(-3px)}
@media(max-width:1024px){.foot-grid{grid-template-columns:1fr;gap:44px}.to-top{width:52px;height:52px}}
@media(max-width:600px){.foot-cols{grid-template-columns:1fr;gap:28px}.foot-bottom{flex-direction:column;align-items:flex-start}}

/* ── 언어 스위처 (KO/EN/JP 링크) ── */
.lang-switch{display:inline-flex;gap:1px;align-items:center;flex:none;margin-right:14px}
.lang-switch a{font-family:var(--f-mono,ui-monospace,monospace);font-size:11px;letter-spacing:.08em;line-height:1;padding:6px 7px;color:#fff;opacity:.55;text-decoration:none;border:1px solid transparent;border-radius:2px;transition:opacity .2s,border-color .2s;cursor:pointer}
.gnb.scrolled .lang-switch a,.gnb:hover .lang-switch a,.gnb:focus-within .lang-switch a{color:var(--ink,#111)}
.lang-switch a:hover{opacity:1}
.lang-switch a[aria-current="page"]{opacity:1;border-color:currentColor}
@media(max-width:920px){.lang-switch{margin-right:8px}.lang-switch a{padding:5px 6px;font-size:10px}}