/* ══════════════════════════════════════════════════════
   TOKENS
   ══════════════════════════════════════════════════════ */
:root{
  --paper:#FFFFFF;
  --hover:#F1F6FC;   /* 카드 호버 — 순백 배경에서 구분되도록 옅은 틴트 */
  --ink:#0F1620;
  --ink-2:#525C69;
  --ink-3:#9BA4B0;
  --line:#E1E5EA;
  --line-2:#EFF1F4;

  --navy:#1B3A6B;
  --accent:#4A6E96;
  --accent-soft:#A6BACB;

  --f-d:'Archivo','Pretendard',system-ui,sans-serif;
  --f-b:'Pretendard',system-ui,-apple-system,sans-serif;
  --f-m:'JetBrains Mono',ui-monospace,monospace;

  --gut:clamp(18px,4.2vw,64px);
  --ez:cubic-bezier(.16,1,.3,1);
}
*{margin:0;padding:0;box-sizing:border-box}
body{background:var(--paper);color:var(--ink);font-family:var(--f-b);-webkit-font-smoothing:antialiased;overflow-x:hidden}
::selection{background:var(--navy);color:#fff}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
:focus-visible{outline:1px solid var(--accent);outline-offset:5px}

#stage{position:fixed;inset:0;z-index:0;pointer-events:none}
#stage canvas{display:block;width:100%;height:100%}

/* ══════════════════════════════════════════════════════
   FIXED CHROME
   ══════════════════════════════════════════════════════ */
.bar-top{position:fixed;top:0;left:0;right:0;height:2px;z-index:60;background:var(--line-2)}
.bar-top span{display:block;height:100%;width:0%;background:var(--navy)}

.brand{position:fixed;top:var(--gut);left:var(--gut);z-index:50;display:flex;align-items:center;gap:16px}
.brand img{height:44px;width:auto}
.brand .wm{height:29px}
.brand .fb{display:none;font-family:var(--f-d);font-weight:900;font-stretch:125%;font-size:26px;letter-spacing:.14em}
@media (max-width:860px){.brand img{height:34px}.brand .wm{height:22px}.brand .fb{font-size:20px}}

.meta-r{position:fixed;top:var(--gut);right:var(--gut);z-index:50;text-align:right;font-family:var(--f-m);font-size:9.5px;letter-spacing:.16em;color:var(--ink-3);line-height:2}
.meta-r b{color:var(--accent);font-weight:500}

.idx{position:fixed;left:var(--gut);top:50%;transform:translateY(-50%);z-index:50;display:flex;flex-direction:column;gap:13px}
.idx button{all:unset;cursor:pointer;display:flex;align-items:center;gap:10px;font-family:var(--f-m);font-size:9.5px;letter-spacing:.16em;color:var(--ink-3);transition:color .5s var(--ez)}
.idx i{display:block;width:16px;height:1px;background:currentColor;transition:width .6s var(--ez),background .5s var(--ez)}
.idx button[data-on="1"]{color:var(--ink)}
.idx button[data-on="1"] i{width:38px;background:var(--navy)}

.cue{position:fixed;bottom:var(--gut);left:50%;transform:translateX(-50%);z-index:50;font-family:var(--f-m);font-size:9.5px;letter-spacing:.28em;color:var(--ink-3);transition:opacity .6s var(--ez)}
.cue::after{content:'';display:block;width:1px;height:30px;margin:9px auto 0;background:linear-gradient(var(--ink-3),transparent);animation:cd 2.2s var(--ez) infinite}
@keyframes cd{0%{transform:scaleY(0);transform-origin:top}45%{transform:scaleY(1);transform-origin:top}46%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

.cur{position:fixed;top:0;left:0;z-index:90;pointer-events:none;width:30px;height:30px;margin:-15px 0 0 -15px;border-radius:50%;border:1px solid #fff;mix-blend-mode:difference;display:grid;place-items:center;transition:width .45s var(--ez),height .45s var(--ez),margin .45s var(--ez),background .45s var(--ez)}
.cur em{font-family:var(--f-m);font-size:8px;letter-spacing:.14em;font-style:normal;opacity:0;color:#000;transition:opacity .3s}
.cur.hot{width:74px;height:74px;margin:-37px 0 0 -37px;background:#fff}
.cur.hot em{opacity:1}
.cur-dot{position:fixed;top:0;left:0;z-index:90;pointer-events:none;width:4px;height:4px;margin:-2px 0 0 -2px;border-radius:50%;background:var(--accent-soft)}
@media (hover:none){.cur,.cur-dot{display:none}}

/* ══════════════════════════════════════════════════════
   LAYOUT
   ══════════════════════════════════════════════════════ */
main{position:relative;z-index:10}
.sec{min-height:100svh;padding:calc(var(--gut)*3.6) var(--gut);display:flex;flex-direction:column;justify-content:center;position:relative}
.bay{width:min(1340px,100%);margin:0 auto;padding-left:clamp(0px,5vw,80px)}
.half{max-width:min(580px,47%)}
.half.r{margin-left:auto}

.rv{opacity:0;transform:translateY(24px);transition:opacity 1s var(--ez),transform 1s var(--ez);transition-delay:var(--d,0ms)}
.is-in .rv{opacity:1;transform:none}
.ch{display:inline-block;opacity:0;transform:translateY(.5em) rotateX(-55deg);transition:opacity .7s var(--ez),transform .7s var(--ez)}
.is-in .ch{opacity:1;transform:none}
.rule{height:1px;background:var(--line);transform:scaleX(0);transform-origin:0 50%;transition:transform 1.2s var(--ez);transition-delay:var(--d,0ms)}
.is-in .rule{transform:scaleX(1)}

.eb{font-family:var(--f-m);font-size:9.5px;letter-spacing:.26em;color:var(--accent);display:block;margin-bottom:24px}
.eb.dim{color:var(--ink-3)}
h1{font-family:var(--f-d);font-weight:900;font-stretch:118%;font-size:clamp(32px,5.2vw,70px);line-height:1.06;letter-spacing:-.028em;word-break:keep-all;perspective:600px}
h1 .accent{color:var(--navy)}
h2{font-family:var(--f-d);font-weight:800;font-stretch:115%;font-size:clamp(26px,4.1vw,54px);line-height:1.16;letter-spacing:-.022em;word-break:keep-all;perspective:600px}
.lede{font-size:clamp(14px,1.25vw,17px);line-height:1.9;color:var(--ink-2);margin-top:26px;max-width:50ch;word-break:keep-all}
.lede b{color:var(--ink);font-weight:600}

/* ── 배경 오브젝트 위에서도 읽히도록, 획 뒤에 가느다란 흰 테두리를 깐다. ── */
h1,h2,.big{
  paint-order:stroke fill;
  -webkit-text-stroke:1px #fff;
          text-stroke:1px #fff;
}
h2,.big{-webkit-text-stroke-width:.8px; text-stroke-width:.8px}
@supports not (paint-order: stroke){
  h1,h2,.big{
    -webkit-text-stroke:0; text-stroke:0;
    text-shadow:0 0 1.5px #fff, 0 0 3px rgba(255,255,255,.85);
  }
}

.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:38px}
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 26px;border:1px solid var(--ink);font-family:var(--f-m);font-size:10px;letter-spacing:.18em;color:var(--ink);position:relative;overflow:hidden;background:rgba(255,255,255,.78);backdrop-filter:blur(2px);transition:color .5s var(--ez),border-color .5s var(--ez)}
.btn span{position:relative;z-index:1}
.btn::before{content:'';position:absolute;inset:0;background:var(--ink);transform:translateY(101%);transition:transform .55s var(--ez)}
.btn:hover{color:var(--paper)}
.btn:hover::before{transform:translateY(0)}
.btn.ghost{border-color:var(--line);color:var(--ink-2)}
.btn.ghost::before{background:var(--navy)}
.btn.ghost:hover{color:#fff;border-color:var(--navy)}

.tick{position:relative;margin-top:44px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);overflow:hidden;padding:13px 0;-webkit-mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent)}
.tick .lane{display:flex;width:max-content;animation:slide 26s linear infinite}
.tick p{font-family:var(--f-m);font-size:10px;letter-spacing:.2em;color:var(--ink-3);padding-right:34px;white-space:nowrap}
.tick p::after{content:'◆';margin-left:34px;color:var(--accent-soft);font-size:7px;vertical-align:middle}
@keyframes slide{to{transform:translateX(-50%)}}

.prods{display:grid;gap:1px;background:var(--line);border:1px solid var(--line);margin-top:38px}
.prod{background:var(--paper);display:grid;grid-template-columns:minmax(0,1fr) 190px;gap:22px;align-items:center;padding:22px;position:relative;transition:background .5s var(--ez)}
.prod:hover{background:var(--hover)}
.prod .no{position:absolute;top:16px;right:18px;font-family:var(--f-m);font-size:9px;letter-spacing:.16em;color:var(--ink-3)}
.prod .kind{font-family:var(--f-m);font-size:9px;letter-spacing:.2em;color:var(--accent);display:block;margin-bottom:9px}
.prod h3{font-family:var(--f-d);font-weight:800;font-stretch:118%;font-size:clamp(21px,2.7vw,34px);letter-spacing:-.015em;line-height:1;transition:color .4s var(--ez)}
.prod:hover h3{color:var(--navy)}
.prod p{font-size:13.5px;line-height:1.75;color:var(--ink-2);margin-top:11px;max-width:46ch;word-break:keep-all}
.shot{position:relative;overflow:hidden;border:1px solid var(--line);aspect-ratio:16/10;background:#fff}
.shot img{width:100%;height:100%;object-fit:cover;object-position:top left;filter:grayscale(1) contrast(1.04) brightness(1.03);transform:scale(1.04);transition:filter .7s var(--ez),transform .9s var(--ez)}
.prod:hover .shot img{filter:none;transform:scale(1)}
.shot::after{content:'';position:absolute;inset:0;pointer-events:none;background:repeating-linear-gradient(180deg,rgba(74,110,150,.10) 0 1px,transparent 1px 3px);opacity:.7;transition:opacity .6s var(--ez)}
.prod:hover .shot::after{opacity:.12}
.shot .scan{position:absolute;left:0;right:0;height:26%;pointer-events:none;background:linear-gradient(180deg,transparent,rgba(74,110,150,.20),transparent);transform:translateY(-120%)}
.prod:hover .shot .scan{animation:scanRun 1.5s var(--ez) infinite}
@keyframes scanRun{0%{transform:translateY(-120%)}100%{transform:translateY(420%)}}
.prod.txt{grid-template-columns:1fr auto}
.prod.txt .tag{font-family:var(--f-m);font-size:9px;letter-spacing:.18em;color:var(--ink-3);white-space:nowrap;align-self:start;margin-top:6px}

.grid4{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);margin-top:38px}
.cell{background:var(--paper);padding:28px 22px 30px;transition:background .5s var(--ez)}
.cell:hover{background:var(--hover)}
.cell .n{font-family:var(--f-m);font-size:9px;letter-spacing:.16em;color:var(--accent);display:block;margin-bottom:16px}
.cell h4{font-family:var(--f-d);font-weight:700;font-stretch:112%;font-size:17px;letter-spacing:-.01em;line-height:1.3;word-break:keep-all}
.cell p{font-size:12.5px;line-height:1.75;color:var(--ink-2);margin-top:11px;word-break:keep-all}

.vals{display:flex;flex-wrap:wrap;gap:9px;margin-top:34px}
.vals span{font-family:var(--f-m);font-size:9.5px;letter-spacing:.18em;color:var(--ink-2);border:1px solid var(--line);padding:9px 15px;background:var(--paper);transition:color .45s var(--ez),border-color .45s var(--ez),background .45s var(--ez)}
.vals span:hover{color:#fff;border-color:var(--navy);background:var(--navy)}

.recs{margin-top:38px;border-top:1px solid var(--line)}
.rec{display:grid;grid-template-columns:52px 1fr;gap:18px;align-items:baseline;padding:15px 0 14px;border-bottom:1px solid var(--line);transition:padding-left .55s var(--ez),border-color .55s var(--ez)}
.rec:hover{padding-left:14px;border-color:var(--navy)}
.rec .n{font-family:var(--f-m);font-size:9.5px;letter-spacing:.14em;color:var(--ink-3);transition:color .45s var(--ez)}
.rec:hover .n{color:var(--navy)}
.rec h5{font-size:14.5px;font-weight:500;line-height:1.55;color:var(--ink-2);word-break:keep-all;transition:color .45s var(--ez)}
.rec:hover h5{color:var(--ink)}

.big{display:inline-block;font-family:var(--f-d);font-weight:900;font-stretch:122%;font-size:clamp(24px,5vw,68px);letter-spacing:-.028em;line-height:1.05;background-image:linear-gradient(var(--navy),var(--navy));background-size:0% 2px;background-position:0 100%;background-repeat:no-repeat;transition:background-size .7s var(--ez),color .45s var(--ez);word-break:break-all}
.big:hover{background-size:100% 2px;color:var(--navy)}
.cinfo{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:28px;margin-top:52px}
.cinfo .k{font-family:var(--f-m);font-size:9px;letter-spacing:.2em;color:var(--ink-3);display:block;margin-bottom:10px}
.cinfo .v{font-size:14px;line-height:1.75;color:var(--ink);word-break:keep-all}
.cinfo .v a:hover{color:var(--navy)}
.legal{margin-top:66px;font-family:var(--f-m);font-size:9px;letter-spacing:.14em;color:var(--ink-3);line-height:2}

#ld{position:fixed;inset:0;z-index:100;background:var(--paper);display:flex;align-items:flex-end;justify-content:space-between;padding:var(--gut);transition:opacity .9s var(--ez),visibility .9s}
#ld.off{opacity:0;visibility:hidden}
#ld .lw{display:flex;align-items:center;gap:16px}
#ld .lw img{height:clamp(36px,6.6vw,64px);width:auto}
#ld .lw .fb3{display:none;font-family:var(--f-d);font-weight:900;font-stretch:125%;font-size:clamp(30px,6vw,58px);letter-spacing:-.02em}
#ld .lc{font-family:var(--f-m);font-size:clamp(28px,6vw,58px);font-weight:300;line-height:.9;color:var(--ink)}
#ld .lb{position:absolute;left:var(--gut);right:var(--gut);bottom:calc(var(--gut) + 92px);height:1px;background:var(--line)}
#ld .lb span{display:block;height:100%;width:0%;background:var(--navy)}
#ld .ls{position:absolute;left:var(--gut);bottom:calc(var(--gut) + 108px);font-family:var(--f-m);font-size:9px;letter-spacing:.2em;color:var(--ink-3)}

@media (max-width:980px){.prod{grid-template-columns:1fr;gap:16px}.shot{order:-1;aspect-ratio:16/9}}
@media (max-width:860px){
  .idx,.meta-r{display:none}
  .half,.half.r{max-width:100%;margin-left:0}
  .bay{padding-left:0}
  .sec{padding-top:calc(var(--gut)*5.4)}
  h1{-webkit-text-stroke-width:.8px;text-stroke-width:.8px}
  h2,.big{-webkit-text-stroke-width:.6px;text-stroke-width:.6px}
}
@media (prefers-reduced-motion:reduce){.rv,.ch{opacity:1;transform:none;transition:none}.rule{transform:scaleX(1)}.tick .lane{animation:none}.cue::after{animation:none}}
/* ══════════════════════════════════════════════════════
   CONTACT FORM — 버튼을 눌러야 열린다
   ══════════════════════════════════════════════════════ */
.cta-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:38px}
.cta-row .hint{font-family:var(--f-m);font-size:9px;letter-spacing:.16em;color:var(--ink-3)}

.cform{margin-top:34px;border:1px solid var(--line);background:rgba(255,255,255,.78);backdrop-filter:blur(6px);padding:clamp(22px,3vw,38px);max-width:760px;
  opacity:0;transform:translateY(14px);transition:opacity .7s var(--ez),transform .7s var(--ez)}
.cform[hidden]{display:none}
.cform.on{opacity:1;transform:none}

.cform .fhead{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:26px;padding-bottom:16px;border-bottom:1px solid var(--line-2)}
.cform .fhead span{font-family:var(--f-m);font-size:9px;letter-spacing:.2em;color:var(--accent)}
.cform .fclose{all:unset;cursor:pointer;font-family:var(--f-m);font-size:9px;letter-spacing:.16em;color:var(--ink-3);transition:color .4s var(--ez)}
.cform .fclose:hover{color:var(--ink)}

.frow{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media (max-width:640px){.frow{grid-template-columns:1fr}}
.fld{display:block;margin-bottom:18px}
.fld > span{display:block;font-family:var(--f-m);font-size:9px;letter-spacing:.18em;color:var(--ink-3);margin-bottom:9px}
.fld input,.fld textarea{
  width:100%;padding:13px 14px;border:1px solid var(--line);background:var(--paper);color:var(--ink);
  font-family:var(--f-b);font-size:14px;line-height:1.6;transition:border-color .4s var(--ez),background .4s var(--ez)}
.fld textarea{min-height:132px;resize:vertical}
.fld input:focus,.fld textarea:focus{outline:none;border-color:var(--navy);background:#fff}
.fld input::placeholder,.fld textarea::placeholder{color:var(--ink-3)}

.cform .fsend{margin-top:6px}
.cform .fsend[disabled]{opacity:.5;pointer-events:none}
.fmsg{margin-top:16px;font-size:13px;line-height:1.7;word-break:keep-all;display:none}
.fmsg.show{display:block}
.fmsg.ok{color:var(--navy)}
.fmsg.err{color:#B3453C}

/* ── 언어 전환기 — 모바일에서 .meta-r 이 숨겨져도 항상 보인다 ── */
.lang-sw{position:fixed;z-index:51;right:var(--gut);top:calc(var(--gut) + 62px);
  display:flex;align-items:center;gap:7px;font-family:var(--f-m);font-size:9.5px;letter-spacing:.16em}
.lang-sw a{color:var(--ink-3);transition:color .4s var(--ez)}
.lang-sw a:hover,.lang-sw a.on{color:var(--ink)}
.lang-sw span{color:var(--line);}
@media (max-width:860px){
  .lang-sw{top:calc(var(--gut) + 2px);font-size:10px}
}

/* ── 타이틀 강조: 기울임 없이 WhyZOO 워드마크 색(#003696) 사용 ── */
:root{ --brand:#003696; }
h1 em, h2 em{ font-style:normal; color:var(--brand); }

/* ── 단어 묶음: 영단어가 중간에서 끊기지 않게 한다 ── */
.wd{ display:inline-block; white-space:nowrap; }

/* ── 대형 타이포를 버튼으로 쓸 때 브라우저 기본 스타일 제거 ── */
.big-btn{ all:unset; cursor:pointer; display:inline-block;
  font-family:var(--f-d);font-weight:900;font-stretch:122%;
  font-size:clamp(24px,5vw,68px);letter-spacing:-.028em;line-height:1.05;color:var(--ink);
  background-image:linear-gradient(var(--brand),var(--brand));background-size:0% 2px;
  background-position:0 100%;background-repeat:no-repeat;word-break:keep-all;
  paint-order:stroke fill;-webkit-text-stroke:.8px #fff;text-stroke:.8px #fff;
  transition:background-size .7s var(--ez),color .45s var(--ez)}
.big-btn:hover{ background-size:100% 2px; color:var(--brand) }
.big-btn:focus-visible{ outline:1px solid var(--accent); outline-offset:6px }
.cta-row{margin-top:18px}