:root{
  --bg:#050507; --bg-2:#0b0b10; --fg:#fff;
  --fg-dim:rgba(255,255,255,.55); --fg-faint:rgba(255,255,255,.22); --line:rgba(255,255,255,.10);
  --head-h:64px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);color:var(--fg);min-height:100vh;
  font-family:"Pretendard Variable",Pretendard,-apple-system,BlinkMacSystemFont,system-ui,"Segoe UI","Apple SD Gothic Neo","Noto Sans KR","Malgun Gothic",sans-serif;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img,video{display:block;max-width:100%}
.wrap{max-width:1120px;width:100%;margin:0 auto}

/* ---------- header / nav ---------- */
header{
  position:fixed;inset:0 0 auto 0;z-index:40;height:var(--head-h);
  display:flex;align-items:center;justify-content:space-between;gap:16px;padding:0 32px;
  background:rgba(5,5,7,.72);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(255,255,255,.05);
}
.brand{
  font-family:"Space Grotesk","Pretendard Variable",system-ui,sans-serif;
  font-weight:700;font-size:26px;letter-spacing:.2em;text-transform:lowercase;white-space:nowrap;line-height:1;
  color:#ff3b3b;
  animation:rainbow 14s linear infinite;   /* 빨→주→노→초→파→남→보 순환 */
}
@keyframes rainbow{
  0%{color:#ff3b3b} 14%{color:#ff8c1a} 28%{color:#ffd400} 42%{color:#2ecc71}
  57%{color:#2f7cff} 71%{color:#3b3bd1} 85%{color:#9b4dff} 100%{color:#ff3b3b}
}
nav ul{display:flex;gap:2px;list-style:none;justify-content:flex-end}
nav li{position:relative}
nav a{display:block;padding:8px 11px;border-radius:999px;font-size:13.5px;letter-spacing:.1em;color:var(--fg-dim);transition:color .2s,background .2s;white-space:nowrap}
nav a:hover,nav a:focus-visible,nav li.open>a{color:var(--fg);background:rgba(255,255,255,.06);outline:none}
nav a.on{color:var(--fg)}
nav .caret{display:inline-block;width:5px;height:5px;margin-left:7px;vertical-align:2px;border-right:1px solid currentColor;border-bottom:1px solid currentColor;transform:rotate(45deg);opacity:.7}
nav .sub-toggle{display:none}
/* 드롭다운 (데스크톱: 마우스 올리면) */
nav .sub{
  position:absolute;top:calc(100% + 8px);left:0;min-width:220px;list-style:none;
  display:flex;flex-direction:column;gap:0;padding:8px;
  background:rgba(12,12,16,.96);border:1px solid var(--line);border-radius:14px;
  box-shadow:0 20px 50px rgba(0,0,0,.6);
  opacity:0;visibility:hidden;transform:translateY(-6px);transition:opacity .18s,transform .18s,visibility .18s;
}
nav .sub::before{content:"";position:absolute;left:0;right:0;top:-10px;height:10px}
nav li.has-sub:hover>.sub,nav li.has-sub:focus-within>.sub,nav li.open>.sub{opacity:1;visibility:visible;transform:none}
nav .sub a{border-radius:8px;padding:9px 12px;font-size:14px;letter-spacing:.04em}
nav li.has-sub:last-child>.sub{left:auto;right:0}

.menu-btn,.nav-close{display:none;background:none;border:1px solid var(--line);color:var(--fg);border-radius:999px;padding:8px 14px;font:inherit;font-size:13px;letter-spacing:.2em;cursor:pointer}
@media (max-width:1060px){
  header{padding:0 20px;-webkit-backdrop-filter:none;backdrop-filter:none;background:rgba(5,5,7,.92)} /* backdrop-filter가 있으면 fixed nav가 header 안에 갇힘 */
  .menu-btn{display:block}
  nav{position:fixed;inset:0;background:#050507;display:none;overflow-y:auto;padding:80px 24px 40px}
  nav.open{display:block}
  .nav-close{display:block;position:absolute;top:14px;right:20px}
  nav ul{flex-direction:column;align-items:stretch;gap:2px;max-width:420px;margin:0 auto}
  nav li{display:flex;flex-wrap:wrap;align-items:center}
  nav li>a{flex:1;font-size:20px;letter-spacing:.2em;padding:12px 16px;border-radius:12px}
  nav .caret{display:none}
  nav .sub-toggle{display:block;width:44px;height:44px;background:none;border:1px solid var(--line);border-radius:10px;cursor:pointer;position:relative}
  nav .sub-toggle::after{content:"";position:absolute;left:50%;top:50%;width:8px;height:8px;margin:-6px 0 0 -4px;border-right:1px solid #fff;border-bottom:1px solid #fff;transform:rotate(45deg);transition:transform .2s}
  nav li.open>.sub-toggle::after{transform:rotate(225deg);margin-top:-2px}
  nav .sub{position:static;width:100%;opacity:1;visibility:visible;transform:none;display:none;background:none;border:0;box-shadow:none;padding:4px 0 10px 18px}
  nav li.open>.sub{display:flex}
  nav .sub a{font-size:16px;color:var(--fg-dim)}
}

/* ---------- hero (index) ---------- */
.hero{
  position:relative;min-height:100vh;min-height:100svh;display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;padding:120px 24px 80px;overflow:hidden;
  background:radial-gradient(ellipse 70% 50% at 50% 110%,rgba(120,140,180,.10),transparent 60%),
             radial-gradient(ellipse 60% 40% at 50% -10%,rgba(255,255,255,.05),transparent 60%),var(--bg);
}
.hero canvas{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;opacity:.55}
.hero h1{position:relative;font-weight:800;font-size:clamp(48px,11vw,168px);line-height:1.02;letter-spacing:-.02em;text-shadow:0 0 60px rgba(255,255,255,.12);opacity:0;transform:translateY(18px);animation:rise 1.4s cubic-bezier(.2,.7,.2,1) .2s forwards}
.hero h1 span{display:block}
.hero p{position:relative;margin-top:34px;max-width:720px;font-family:"Space Grotesk","Pretendard Variable",system-ui,sans-serif;font-weight:500;font-size:clamp(13px,1.45vw,17px);line-height:1.7;letter-spacing:.14em;color:var(--fg-dim);opacity:0;animation:fade 1.6s ease 1.1s forwards}
.hero p em{font-style:normal;color:var(--fg)}
.hero .scroll{position:absolute;bottom:34px;left:50%;transform:translateX(-50%);color:var(--fg-faint);font-size:12px;letter-spacing:.3em;opacity:0;animation:fade 1.6s ease 1.8s forwards}
.hero .scroll::after{content:"";display:block;width:1px;height:38px;margin:10px auto 0;background:linear-gradient(var(--fg-faint),transparent);animation:drip 2.2s ease-in-out infinite}
@keyframes rise{to{opacity:1;transform:none}} @keyframes fade{to{opacity:1}}
@keyframes drip{0%,100%{transform:scaleY(.6);transform-origin:top;opacity:.4}50%{transform:scaleY(1);opacity:1}}

.tiles-wrap{padding:80px 24px 120px;border-top:1px solid var(--line);background:var(--bg-2)}
.tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px}
.tile{position:relative;aspect-ratio:4/3;border:1px solid var(--line);border-radius:16px;overflow:hidden;display:flex;flex-direction:column;justify-content:flex-end;padding:18px;isolation:isolate;transition:transform .25s,border-color .25s}
.tile:hover{transform:translateY(-3px);border-color:rgba(255,255,255,.3)}
.tile-bg{position:absolute;inset:0;background:var(--bg) center/cover no-repeat;filter:grayscale(1) brightness(.45);transition:filter .4s,transform .6s;z-index:-1}
.tile:hover .tile-bg{filter:grayscale(.2) brightness(.6);transform:scale(1.04)}
.tile-idx{font-family:"Space Grotesk",sans-serif;font-size:11px;letter-spacing:.35em;color:var(--fg-faint)}
.tile-ko{font-size:26px;font-weight:800;margin-top:4px}
.tile-en{font-family:"Space Grotesk",sans-serif;font-size:11px;letter-spacing:.3em;text-transform:uppercase;color:var(--fg-dim);margin-top:2px}

/* ---------- inner pages ---------- */
.page{padding:calc(var(--head-h) + 72px) 24px 120px;min-height:100vh}
.idx{font-family:"Space Grotesk",sans-serif;font-size:12px;letter-spacing:.4em;color:var(--fg-faint);margin-bottom:14px}
.crumb{display:inline-block;font-size:13px;letter-spacing:.12em;color:var(--fg-dim);margin-bottom:18px}
.crumb:hover{color:var(--fg)}
.page h2{font-size:clamp(34px,6vw,76px);font-weight:800;letter-spacing:-.01em;line-height:1.05}
.page h2 small{display:block;font-size:.32em;font-weight:400;letter-spacing:.3em;color:var(--fg-dim);margin-top:10px;text-transform:uppercase;font-family:"Space Grotesk",sans-serif}
.soon{margin-top:40px;font-size:16px;line-height:1.8;color:var(--fg-dim)}
.note{margin-top:30px;max-width:720px;font-size:16px;line-height:1.85;color:var(--fg-dim);white-space:normal}

.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px;margin-top:48px}
.card{position:relative;aspect-ratio:3/2;border:1px solid var(--line);border-radius:18px;overflow:hidden;display:flex;isolation:isolate;transition:transform .25s,border-color .25s}
.card:hover{transform:translateY(-3px);border-color:rgba(255,255,255,.3)}
.card-bg{position:absolute;inset:0;background:var(--bg-2) center/cover no-repeat;filter:grayscale(.6) brightness(.5);transition:filter .4s,transform .6s;z-index:-1}
.card:hover .card-bg{filter:grayscale(0) brightness(.7);transform:scale(1.04)}
.card-body{margin-top:auto;padding:20px;width:100%;background:linear-gradient(transparent,rgba(5,5,7,.85))}
.card .num{display:block;font-family:"Space Grotesk",sans-serif;font-size:11px;letter-spacing:.35em;color:var(--fg-faint)}
.card .name{display:block;font-size:22px;font-weight:700;margin-top:4px}
.card .cnt{display:block;font-size:12px;letter-spacing:.14em;color:var(--fg-dim);margin-top:6px}

.sub-h{margin:56px 0 18px;font-size:13px;letter-spacing:.3em;color:var(--fg-dim);font-weight:500}
.sub-h span{color:var(--fg-faint);margin-left:6px;font-family:"Space Grotesk",sans-serif}
.grid{columns:3 260px;column-gap:12px}
.ph{display:block;break-inside:avoid;margin-bottom:12px;border-radius:12px;overflow:hidden;background:var(--bg-2);border:1px solid var(--line)}
.ph img{width:100%;height:100%;object-fit:cover;transition:transform .5s,filter .5s;filter:brightness(.92)}
.ph:hover img{transform:scale(1.03);filter:brightness(1)}
.vgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:12px}
.vid{border-radius:12px;overflow:hidden;border:1px solid var(--line);background:#000}
.vid video{width:100%;aspect-ratio:16/9;background:#000}

/* ---------- 포스트(소셜) 오버레이 ---------- */
.post{cursor:pointer}
.ph{position:relative}
.ph-meta,.note-meta{position:absolute;right:8px;bottom:8px;font-size:11px;letter-spacing:.06em;color:#fff;background:rgba(0,0,0,.55);border-radius:999px;padding:3px 8px;pointer-events:none;opacity:0;transition:opacity .2s}
.ph-meta:not(:empty),.note-meta:not(:empty){opacity:1}
.note{position:relative;padding-bottom:28px;border-radius:12px;padding:16px 18px 30px;background:rgba(255,255,255,.03);border:1px solid var(--line)}
.note-meta{bottom:8px;right:10px}
.vid{position:relative}
.vid-open{display:block;width:100%;background:rgba(255,255,255,.04);border:0;border-top:1px solid var(--line);color:var(--fg-dim);font:inherit;font-size:12px;letter-spacing:.14em;padding:9px 12px;cursor:pointer;text-align:left}
.vid-open:hover{color:var(--fg)}
.subsec{margin-top:64px;padding-top:28px;border-top:1px solid var(--line)}
.subsec-h{font-size:clamp(22px,3vw,32px);font-weight:700;letter-spacing:-.01em}

.pv{position:fixed;inset:0;z-index:100;background:rgba(3,3,5,.97);display:none}
.pv.on{display:flex}
.pv-media{flex:1;min-width:0;display:flex;align-items:center;justify-content:center;position:relative;padding:56px 24px 24px}
.pv-media img{max-width:100%;max-height:100%;object-fit:contain;border-radius:6px}
.pv-media video{max-width:100%;max-height:100%;background:#000;border-radius:6px}
.pv-media .pv-text{max-width:720px;font-size:clamp(18px,2.2vw,26px);line-height:1.8;color:var(--fg);white-space:pre-wrap}
.pv-side{width:380px;flex:none;border-left:1px solid var(--line);background:#0b0b10;display:flex;flex-direction:column;min-height:0}
.pv-head{padding:18px 18px 12px;border-bottom:1px solid var(--line)}
.pv-head .t{font-size:15px;font-weight:700}
.pv-head .c{font-size:11px;letter-spacing:.2em;color:var(--fg-faint);margin-top:4px;font-family:"Space Grotesk",sans-serif}
.pv-actions{display:flex;gap:6px;padding:12px 14px;border-bottom:1px solid var(--line)}
.pv-actions button{flex:1;background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--fg);border-radius:10px;padding:10px 8px;font:inherit;font-size:13px;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:6px;transition:background .2s}
.pv-actions button:hover{background:rgba(255,255,255,.09)}
.pv-actions button.liked{color:#ff4d6d;border-color:rgba(255,77,109,.5)}
.pv-actions svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.pv-actions button.liked svg{fill:#ff4d6d;stroke:#ff4d6d}
.pv-comments{flex:1;overflow-y:auto;padding:12px 18px;min-height:0}
.cm{padding:10px 0;border-bottom:1px solid rgba(255,255,255,.06)}
.cm .u{font-size:13px;font-weight:700}
.cm .d{font-size:11px;color:var(--fg-faint);margin-left:8px;font-family:"Space Grotesk",sans-serif}
.cm .x{float:right;background:none;border:0;color:var(--fg-faint);cursor:pointer;font-size:12px}
.cm .b{font-size:14px;line-height:1.6;margin-top:4px;white-space:pre-wrap;word-break:break-word}
.pv-empty{font-size:13px;color:var(--fg-faint);padding:20px 0;text-align:center}
.pv-form{display:flex;gap:8px;padding:12px 14px;border-top:1px solid var(--line)}
.pv-form textarea{flex:1;resize:none;height:44px;background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:10px;color:var(--fg);font:inherit;font-size:14px;padding:10px 12px}
.pv-form button{background:var(--fg);color:#000;border:0;border-radius:10px;padding:0 16px;font:inherit;font-weight:700;cursor:pointer}
.pv-user{padding:8px 18px;font-size:12px;color:var(--fg-faint);border-top:1px solid var(--line);display:flex;justify-content:space-between}
.pv-user button{background:none;border:0;color:var(--fg-dim);cursor:pointer;font:inherit;font-size:12px;text-decoration:underline}
.pv .pv-x{position:absolute;top:16px;right:16px;z-index:2;background:rgba(0,0,0,.5);border:1px solid rgba(255,255,255,.2);color:#fff;border-radius:999px;cursor:pointer;font:inherit;padding:8px 14px;font-size:13px;letter-spacing:.2em}
.pv .pv-p,.pv .pv-n{position:absolute;top:50%;transform:translateY(-50%);width:48px;height:48px;font-size:22px;background:rgba(0,0,0,.5);border:1px solid rgba(255,255,255,.2);color:#fff;border-radius:999px;cursor:pointer}
.pv .pv-p{left:16px}.pv .pv-n{right:16px}
.pv .pv-cnt{position:absolute;bottom:14px;left:50%;transform:translateX(-50%);font-family:"Space Grotesk",sans-serif;font-size:12px;letter-spacing:.3em;color:var(--fg-dim)}
@media (max-width:860px){
  .pv.on{flex-direction:column;overflow-y:auto}
  .pv-media{flex:none;min-height:52vh;padding:56px 12px 12px}
  .pv-side{width:100%;border-left:0;border-top:1px solid var(--line)}
  .pv-comments{max-height:40vh}
}

/* 로그인 모달 */
.lg{position:fixed;inset:0;z-index:120;background:rgba(0,0,0,.7);display:none;align-items:center;justify-content:center;padding:20px}
.lg.on{display:flex}
.lg-box{width:100%;max-width:360px;background:#0f0f14;border:1px solid var(--line);border-radius:16px;padding:24px}
.lg-box h4{font-size:18px;font-weight:700}
.lg-box p{font-size:13px;color:var(--fg-dim);margin-top:6px;line-height:1.6}
.lg-box input{width:100%;margin-top:12px;background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:10px;color:var(--fg);font:inherit;font-size:15px;padding:12px 14px}
.lg-box .err{color:#ff6b6b;font-size:13px;margin-top:10px;min-height:18px}
.lg-box .row{display:flex;gap:8px;margin-top:14px}
.lg-box .row button{flex:1;border-radius:10px;padding:12px;font:inherit;font-weight:700;cursor:pointer;border:1px solid var(--line);background:none;color:var(--fg)}
.lg-box .row button.pri{background:var(--fg);color:#000;border-color:var(--fg)}
.toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%);z-index:130;background:#fff;color:#000;padding:10px 16px;border-radius:999px;font-size:13px;opacity:0;transition:opacity .2s;pointer-events:none}
.toast.on{opacity:1}

footer{padding:48px 24px;border-top:1px solid var(--line);text-align:center;font-size:12px;letter-spacing:.2em;color:var(--fg-faint);font-family:"Space Grotesk",sans-serif}
@media (prefers-reduced-motion:reduce){
  .hero h1,.hero p,.hero .scroll{animation:none;opacity:1;transform:none}
  .brand{animation:none}.hero canvas{display:none}
}

/* ---- 메시지(말풍선): 편지 · 메모 ------------------------------------------ */
.sub-h .legend{font-style:normal;font-size:12px;letter-spacing:.08em;color:var(--fg-faint);margin-left:14px;font-weight:400}
.msgs{display:flex;flex-direction:column;gap:22px;margin-top:22px;max-width:none}
.msg{position:relative;width:100%;box-sizing:border-box;padding:18px 22px 34px;border-radius:22px;border:1px solid var(--line);
  background:#101015;cursor:pointer;transition:background .2s,border-color .2s,transform .2s}
.msg::before{content:"";position:absolute;left:30px;bottom:-9px;width:16px;height:16px;background:inherit;border:1px solid var(--line);border-top:0;border-left:0;
  transform:rotate(45deg);border-radius:0 0 3px 0}
.msg:hover{background:#17171d;border-color:rgba(255,255,255,.22);transform:translateY(-1px)}
.msg-h{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;margin-bottom:12px;font-size:13px;letter-spacing:.06em;color:var(--fg-dim)}
.msg-h time{font-family:"Space Grotesk","Pretendard Variable",system-ui,sans-serif;letter-spacing:.08em}
.msg-t{color:var(--fg);font-weight:600}
.msg-kind{display:inline-block;padding:3px 10px;border-radius:999px;font-size:11.5px;font-weight:700;letter-spacing:.18em;line-height:1.5}
.msg-letter .msg-kind{color:#ffd58a;background:rgba(255,190,90,.14);border:1px solid rgba(255,190,90,.35)}
.msg-memo   .msg-kind{color:#9fd0ff;background:rgba(120,180,255,.13);border:1px solid rgba(120,180,255,.35)}
.msg-etc    .msg-kind{color:var(--fg);background:rgba(255,255,255,.08);border:1px solid var(--line)}
.msg-letter{border-color:rgba(255,190,90,.22)} .msg-letter::before{border-color:rgba(255,190,90,.22)}
.msg-memo{border-color:rgba(120,180,255,.20)} .msg-memo::before{border-color:rgba(120,180,255,.20)}
.msg-b{font-size:16px;line-height:1.9;color:rgba(255,255,255,.86);white-space:pre-line;word-break:keep-all;overflow-wrap:anywhere}
.msg .note-meta{bottom:10px;right:14px}
@media (max-width:640px){.msg{padding:16px 16px 34px;border-radius:18px}.msg-b{font-size:15px;line-height:1.8}}