/* 金東南 Portfolio
   Dark theme (검정 배경 + 한 단계 밝은 차콜 카드, 윗변 하이라이트), accent 1색 = vermilion
   Radius rule: 버튼·토글 = pill / 카드 = 20px / 카드 안 미디어 = 12px */
:root{
  --bg:#0a0a0c; --bg2:#141519; --bg3:#1b1c21;
  --ink:#f0eee9; --ink2:#c4c3be; --mute:#8b8d93;
  --line:rgba(255,255,255,.08); --line2:rgba(255,255,255,.15);
  --accent:#c9b28a; --accent-ink:#1a0f0a;
  --glass:rgba(10,10,12,.6); --on-media:#f2f1ed;
  --card:linear-gradient(180deg,#17181c 0%,#121316 100%);
  --shadow:inset 0 1px 0 rgba(255,255,255,.06),0 0 0 1px rgba(255,255,255,.06),0 30px 60px -32px rgba(0,0,0,.9);
  --r:14px; --rc:20px; --pad:clamp(20px,5vw,72px); --max:1360px;
  --ease:cubic-bezier(.16,1,.3,1);
  --sans:Geist,"Noto Sans JP","Noto Sans KR",system-ui,sans-serif;
  --mono:"Geist Mono",ui-monospace,monospace;
  /* z-index scale */ --z-nav:20; --z-lb:40;
}
html[lang=ko]{--sans:Geist,"Noto Sans KR","Noto Sans JP",system-ui,sans-serif}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:inherit}
img,video{display:block;max-width:100%}
button{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:var(--bg);padding:8px 14px;border-radius:999px;z-index:99}
.skip:focus{left:12px}
/* 검정 위 분위기 조명: 고정 앰비언트 글로우 + 아주 옅은 도트 그리드 */
.bg-fx{position:fixed;inset:0;z-index:-2;overflow:hidden;pointer-events:none;background:var(--bg)}
.bg-fx canvas{position:absolute;inset:0;width:100%;height:100%;display:block;mix-blend-mode:screen;opacity:0;transition:opacity 2s}
.gpu-bg .bg-fx canvas{opacity:1}
.blob{position:absolute;border-radius:50%;filter:blur(110px);opacity:.45;will-change:transform}
.b1{width:46vw;height:46vw;left:52%;top:-18%;background:radial-gradient(circle,rgba(201,178,138,0.275),transparent 65%);animation:drift1 60s ease-in-out infinite alternate}
.b2{width:40vw;height:40vw;left:-12%;top:30%;background:radial-gradient(circle,rgba(150,162,185,.14),transparent 65%);animation:drift2 70s ease-in-out infinite alternate}
.b3{width:36vw;height:36vw;left:60%;top:62%;background:radial-gradient(circle,rgba(201,178,138,0.165),transparent 65%);animation:drift3 64s ease-in-out infinite alternate}
.gpu-bg .blob{opacity:.45}
@keyframes drift1{to{transform:translate(-6vw,5vh) scale(1.08)}}
@keyframes drift2{to{transform:translate(6vw,-4vh) scale(.95)}}
@keyframes drift3{to{transform:translate(-6vw,-5vh) scale(1.1)}}
.bg-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);background-size:64px 64px;-webkit-mask-image:radial-gradient(ellipse 80% 60% at 50% 40%,#000 20%,transparent 75%);mask-image:radial-gradient(ellipse 80% 60% at 50% 40%,#000 20%,transparent 75%)}
@keyframes gridmove{to{background-position:0 64px,64px 0}}
/* 스크롤 진행 막대 */
.progress{position:fixed;left:0;right:0;top:0;height:2px;z-index:calc(var(--z-nav) + 1);pointer-events:none}
.progress span{display:block;height:100%;transform-origin:0 50%;transform:scaleX(0);background:linear-gradient(90deg,#c9b28a,#f3e6cc);box-shadow:0 0 12px rgba(201,178,138,0.44)}
/* 히어로: 강조 글자 반짝임 + 스크롤 신호 */
.hero h1 em{background:linear-gradient(100deg,#c9b28a 20%,#f6eedd 45%,#c9b28a 70%);background-size:220% 100%;-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;animation:shine 5s ease-in-out infinite}
@keyframes shine{0%,100%{background-position:100% 0}50%{background-position:0 0}}
.scroll-cue{position:absolute;left:var(--pad);bottom:28px;width:24px;height:38px;border:1.5px solid var(--line2);border-radius:999px;display:block}
.scroll-cue span{position:absolute;left:50%;top:7px;width:3px;height:8px;margin-left:-1.5px;border-radius:2px;background:var(--accent);animation:cue 1.8s var(--ease) infinite}
@keyframes cue{0%{opacity:0;transform:translateY(0)}30%{opacity:1}100%{opacity:0;transform:translateY(14px)}}
/* 흐르는 띠 */
.marquee{overflow:hidden;border-block:1px solid var(--line);background:rgba(255,255,255,.015);-webkit-mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent);mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent)}
.mq-track{display:flex;align-items:center;gap:28px;width:max-content;padding:18px 0;animation:mq 48s linear infinite}
.mq-track span{font:600 clamp(18px,2vw,26px)/1 var(--sans);letter-spacing:-.01em;color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.35);white-space:nowrap;transition:color .3s}
.mq-track span:nth-child(4n+1){color:var(--ink);-webkit-text-stroke:0}
.mq-track i{font-style:normal;color:var(--accent);font-size:14px}
.marquee:hover .mq-track{animation-play-state:paused}
@keyframes mq{to{transform:translateX(-50%)}}
/* 카드에 마우스 스포트라이트 */
.work::after,.safe-cell::after,.book::after{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;opacity:0;transition:opacity .4s;background:radial-gradient(420px circle at var(--mx,50%) var(--my,50%),rgba(201,178,138,0.066),transparent 60%)}
.work:hover::after,.safe-cell:hover::after,.book:hover::after{opacity:1}
.safe-cell{position:relative;overflow:hidden}
.w-media{cursor:zoom-in}
.w-play{position:absolute;inset:0;margin:auto;width:64px;height:64px;border-radius:999px;display:grid;place-items:center;font-size:24px;color:var(--accent-ink);background:var(--accent);opacity:0;transform:scale(.85);transition:opacity .3s,transform .4s var(--ease);pointer-events:none;box-shadow:0 10px 30px -8px rgba(0,0,0,.6)}
.w-media:hover .w-play{opacity:1;transform:none}
@media (hover:none){.w-play{opacity:.9;transform:none;width:52px;height:52px;font-size:20px}}
/* 툴 영상 라이트박스: 원본 비율 그대로(잘림 없음) */
.lb-work{margin:0;display:flex;flex-direction:column;align-items:center;gap:14px;width:100%}
.lb-work video{width:auto;height:auto;max-width:100%;max-height:80dvh;object-fit:contain;border-radius:12px;background:#000}
.lb-work figcaption{font:500 14px var(--sans);color:var(--on-media);display:flex;gap:10px;align-items:baseline}
.lb.single .lb-nav,.lb.single .lb-count{display:none}
.wall .tile{cursor:zoom-in;transition:transform .5s var(--ease),box-shadow .5s var(--ease)}
.wall .tile:hover{transform:scale(1.03);box-shadow:0 0 0 1px rgba(201,178,138,.5)}
.phone{cursor:zoom-in;position:relative}
.phone::after{content:"\25B6";position:absolute;inset:0;margin:auto;width:60px;height:60px;border-radius:999px;display:grid;place-items:center;font-size:18px;padding-left:4px;color:var(--accent-ink);background:var(--accent);opacity:0;transform:scale(.85);transition:opacity .3s,transform .4s var(--ease);pointer-events:none}
.phone:hover::after{opacity:1;transform:none}
@media (hover:none){.phone::after{opacity:.9;transform:none}}
.lb-work figcaption span{font:500 12px var(--mono);color:var(--accent)}
body::after{content:"";position:fixed;inset:0;pointer-events:none;z-index:60;opacity:.035;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}

/* NAV */
.nav{position:sticky;top:0;z-index:var(--z-nav);height:68px;display:flex;align-items:center;gap:28px;padding:0 var(--pad);background:rgba(10,10,12,.72);backdrop-filter:blur(16px) saturate(140%);-webkit-backdrop-filter:blur(16px) saturate(140%);border-bottom:1px solid var(--line)}
.brand{font-weight:700;font-size:17px;text-decoration:none;white-space:nowrap;letter-spacing:.02em}
.brand span{font-weight:400;color:var(--mute);font-size:13px;margin-left:10px;letter-spacing:0}
.nav nav{display:flex;gap:22px;margin-left:auto;white-space:nowrap}
.nav nav a{font-size:14px;color:var(--ink2);text-decoration:none;transition:color .2s}
.nav nav a:hover{color:var(--ink)}
.nav-end{display:flex;align-items:center;gap:10px}
.lang{display:flex;gap:2px;border:1px solid var(--line2);border-radius:999px;padding:3px}
.lang button{background:none;border:0;color:var(--mute);font:500 12px var(--mono);padding:5px 10px;border-radius:999px;cursor:pointer;transition:background .2s,color .2s}
.lang button[aria-pressed=true]{background:var(--ink);color:var(--bg)}
@media (hover:hover) and (pointer:fine){.lang{display:none}} /* PC는 L 키로 전환, 터치 기기만 버튼 */
.out{background:none;border:1px solid var(--line2);width:34px;height:34px;border-radius:999px;display:grid;place-items:center;cursor:pointer;color:var(--ink2);font-size:16px}
.out:hover{color:var(--ink);border-color:var(--ink2)}

/* BUTTONS */
.cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:36px}
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 22px;border-radius:999px;font-weight:600;font-size:15px;text-decoration:none;white-space:nowrap;cursor:pointer;transition:transform .3s var(--ease),background .25s,border-color .25s}
.btn i{font-size:18px}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:scale(.98)}
.btn.primary{background:var(--accent);color:var(--accent-ink);box-shadow:0 12px 32px -12px rgba(201,178,138,0.358)}
.btn.primary:hover{background:#dcc7a1}
.btn.ghost{border:1px solid var(--line2);color:var(--ink);background:rgba(255,255,255,.03)}
.btn.ghost:hover{border-color:var(--ink2)}
.icon-btn{background:var(--glass);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.18);width:38px;height:38px;border-radius:999px;display:grid;place-items:center;cursor:pointer;font-size:17px;color:var(--on-media);transition:background .2s,transform .2s}
.icon-btn:hover{background:rgba(16,17,20,.78)}
.icon-btn:active{transform:scale(.94)}

/* HERO */
.hero{position:relative;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:clamp(24px,4vw,64px);min-height:calc(100dvh - 68px);padding:0 0 0 var(--pad);max-width:none;overflow:hidden;border-bottom:1px solid var(--line)}
.hero-copy{align-self:center;padding:72px 0 80px;max-width:640px}
.role{font-size:14px;color:var(--mute);margin-bottom:26px}
.hero h1{font-size:clamp(40px,5.2vw,74px);line-height:1.12;font-weight:700;letter-spacing:-.025em;text-wrap:balance}
.hero{background:radial-gradient(60% 80% at 0% 100%,rgba(201,178,138,0.055),transparent 60%)}
.hero h1 em,.end em{font-style:normal;color:var(--accent)}
html[lang=ko] .hero h1{letter-spacing:-.035em}
.hero-sub{margin-top:26px;font-size:clamp(16px,1.3vw,18px);line-height:1.9;color:var(--ink2);max-width:30em}
.wall{position:relative;display:grid;grid-template-columns:repeat(3,1fr);gap:14px;padding-right:14px;height:calc(100dvh - 68px);transform:rotate(-4deg) scale(1.14);transform-origin:center;-webkit-mask-image:linear-gradient(180deg,transparent 0,#000 12%,#000 88%,transparent 100%);mask-image:linear-gradient(180deg,transparent 0,#000 12%,#000 88%,transparent 100%)}
.col{display:flex;flex-direction:column;gap:14px;animation:rise 70s linear infinite;will-change:transform}
.col[data-col="1"]{animation-duration:84s;animation-direction:reverse;margin-top:-30%}
.col[data-col="2"]{animation-duration:76s}
.col .tile{aspect-ratio:9/16;border-radius:var(--r);overflow:hidden;background:var(--bg3);flex:none}
.col .tile video,.col .tile img{width:100%;height:100%;object-fit:cover}
@keyframes rise{to{transform:translateY(-50%)}}

/* STATS */
.stats{display:grid;grid-template-columns:repeat(5,1fr);max-width:var(--max);margin:0 auto;padding:56px var(--pad);gap:24px}
.stat{display:flex;flex-direction:column;gap:10px;padding-left:18px;border-left:1px solid var(--line2)}
.stat:first-child{border-left-color:var(--accent)}
.stat b{background:linear-gradient(180deg,#fff 35%,#a9a7a2);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.stat b small{-webkit-text-fill-color:var(--mute)}
.stat b{font-family:var(--sans);font-size:clamp(38px,4vw,58px);font-weight:600;line-height:1;letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.stat b small{font-size:.42em;font-weight:500;color:var(--mute);margin:0 2px;letter-spacing:0}
.stat span{font-size:13px;color:var(--mute);line-height:1.6;max-width:16em}

/* REEL */
.reel{max-width:var(--max);margin:0 auto;padding:40px var(--pad) 120px}
.reel-frame{position:relative;border-radius:var(--r);overflow:hidden;background:#000;aspect-ratio:16/9;box-shadow:0 0 0 1px rgba(255,255,255,.07),0 40px 120px -40px rgba(201,178,138,0.121)}
.reel-frame video{width:100%;height:100%;object-fit:cover}
.reel-play{position:absolute;inset:0;margin:auto;width:104px;height:104px;border-radius:999px;border:0;background:var(--accent);color:var(--accent-ink);font-size:38px;display:grid;place-items:center;cursor:pointer;transition:transform .35s var(--ease)}
.reel-play:hover{transform:scale(1.06)}
.reel.playing .reel-play{display:none}
.reel-cap{display:flex;flex-wrap:wrap;align-items:baseline;gap:8px 24px;margin-top:22px}
.reel-cap h2{font-size:22px;font-weight:600}
.reel-cap p{color:var(--mute);font-size:15px}

/* SECTION HEADS */
.sec-h{font-size:clamp(30px,3.4vw,48px);font-weight:700;letter-spacing:-.02em;line-height:1.2;text-wrap:balance}
.sec-h::before{display:flex;align-items:center;gap:10px;margin-bottom:18px;font:500 12px var(--mono);letter-spacing:.14em;color:var(--accent)}
.works .sec-h::before{content:"— SELECTED TOOLS / 06"}
.safe .sec-h::before{content:"— OPERATIONS & SAFETY"}
.ads .sec-h::before{content:"— AI AD FILMS"}
.books .sec-h::before{content:"— ART BOOKS"}
.sec-h{background:linear-gradient(180deg,#fff 30%,#b9b7b2);-webkit-background-clip:text;background-clip:text}
.sec-h::before{-webkit-text-fill-color:var(--accent)}
.sec-h{-webkit-text-fill-color:transparent}
.sec-p{margin-top:16px;color:var(--ink2);max-width:46em;font-size:16px}

/* WORKS: 각 툴 = 영상(좌) + 설명(우) 한 줄 */
.works{max-width:var(--max);margin:0 auto;padding:40px var(--pad) 100px}
.works-list{display:flex;flex-direction:column;gap:18px;margin-top:40px}
.work{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:clamp(24px,3vw,44px);align-items:center;padding:16px clamp(16px,2.4vw,36px) 16px 16px;background:var(--card);border-radius:var(--rc);box-shadow:var(--shadow);transition:transform .45s var(--ease),box-shadow .45s var(--ease)}
.work{position:relative;overflow:hidden}
.work::before{content:"";position:absolute;left:8%;right:8%;top:0;height:1px;background:linear-gradient(90deg,transparent,rgba(201,178,138,0.385),transparent);opacity:.35;transition:opacity .45s}
.work:hover::before{opacity:1}
.work:nth-child(even){padding:16px 16px 16px clamp(16px,2.4vw,36px);grid-template-columns:minmax(0,1fr) minmax(0,1.2fr)}
.work:nth-child(even) .w-media{order:2}
.w-body{position:relative}
.w-num{position:absolute;top:-14px;right:0;font:700 96px/1 var(--sans);letter-spacing:-.04em;color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.09);pointer-events:none;transition:-webkit-text-stroke-color .45s}
.work:hover .w-num{-webkit-text-stroke-color:rgba(201,178,138,0.248)}
.pmr .res{background:linear-gradient(90deg,rgba(201,178,138,0.066),rgba(201,178,138,0.0) 80%);border-left:2px solid var(--accent);border-radius:0 8px 8px 0;padding:8px 10px;margin-left:-12px}
.pmr .res dt{color:var(--accent)}
.work:hover{transform:translateY(-3px);box-shadow:inset 0 1px 0 rgba(255,255,255,.08),0 0 0 1px rgba(201,178,138,0.193),0 30px 70px -30px rgba(201,178,138,0.138)}
.w-media{position:relative;border-radius:12px;overflow:hidden;background:#000;aspect-ratio:2544/1256;box-shadow:0 0 0 1px rgba(255,255,255,.06)}
.w-media video{width:100%;height:100%;object-fit:cover;display:block}
.work h3{font-size:24px;font-weight:700;letter-spacing:-.015em;display:flex;align-items:center;gap:12px}
.work .idx{font:500 13px var(--mono);color:var(--accent)}
.work .lead{margin-top:6px;font-size:16px;color:var(--ink);font-weight:500}
.pmr{margin-top:14px;display:grid;gap:8px}
.pmr div{display:grid;grid-template-columns:5.5em 1fr;gap:10px;font-size:14px;color:var(--ink2);line-height:1.6}
html[lang=ko] .pmr div{grid-template-columns:4.5em 1fr}
.pmr dt{color:var(--mute);font-size:12px;padding-top:2px}
.pmr .res dd{color:var(--ink);font-weight:500}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:14px}
.tags span{font:500 11px var(--mono);color:var(--ink2);background:rgba(255,255,255,.05);border:1px solid var(--line);padding:3px 10px;border-radius:999px}
.links{display:flex;flex-wrap:wrap;gap:16px;margin-top:14px}
.links a{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--ink);text-decoration:none;border-bottom:1px solid var(--line2);padding-bottom:2px;transition:border-color .2s}
.links a:hover{border-color:var(--accent)}
.stage-bar{position:absolute;left:12px;right:12px;bottom:12px;display:flex;align-items:center;gap:8px}
.stage-bar span{margin-right:auto;font:500 12px var(--mono);background:var(--glass);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);padding:6px 12px;border-radius:999px;color:var(--on-media)}
.stage-bar .icon-btn{width:34px;height:34px;font-size:15px}

/* SAFE (bento 4 cells) */
.safe{max-width:var(--max);margin:0 auto;padding:40px var(--pad) 120px}
.safe-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;grid-template-rows:auto auto;gap:14px;margin-top:40px}
.safe-cell{border-radius:var(--rc);padding:28px;background:var(--card);box-shadow:var(--shadow);display:flex;flex-direction:column;gap:10px}
.safe-cell i{font-size:26px;color:var(--accent)}
.safe-cell h3{font-size:19px;font-weight:600;margin-top:6px}
.safe-cell p{color:var(--ink2);font-size:14.5px}
.safe-cell.big{grid-row:span 2;background:linear-gradient(160deg,rgba(201,178,138,0.088),rgba(201,178,138,0.0) 55%),var(--bg2);justify-content:flex-end;min-height:340px}
.safe-cell.big h3{font-size:26px}
.safe-cell.wide{grid-column:span 2;background:radial-gradient(120% 140% at 100% 0%,rgba(201,178,138,0.044),transparent 60%),var(--bg2)}

/* ADS masonry-ish grid */
.ads{max-width:var(--max);margin:0 auto;padding:40px var(--pad) 120px}
.ads-grid{margin-top:44px;display:grid;grid-template-columns:repeat(6,1fr);gap:12px}
.ad{position:relative;aspect-ratio:9/16;border-radius:var(--r);overflow:hidden;background:var(--bg3);cursor:pointer;border:0;padding:0;transition:transform .45s var(--ease)}
.ad:nth-child(6n+2),.ad:nth-child(6n+5){transform:translateY(36px)}
.ad img,.ad video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.ad video{opacity:0;transition:opacity .3s}
.ad.hot video{opacity:1}
.ad::after{content:"";position:absolute;inset:0;border-radius:inherit;box-shadow:inset 0 0 0 1px rgba(255,255,255,.08);pointer-events:none}
.ad:hover{transform:translateY(-4px)}
.ad:nth-child(6n+2):hover,.ad:nth-child(6n+5):hover{transform:translateY(32px)}
.ad .play{position:absolute;right:10px;bottom:10px;width:34px;height:34px;border-radius:999px;background:var(--glass);color:var(--on-media);backdrop-filter:blur(6px);display:grid;place-items:center;font-size:15px;opacity:0;transition:opacity .25s}
.ad:hover .play,.ad:focus-visible .play{opacity:1}

/* CLAY */
.clay{max-width:var(--max);margin:0 auto;padding:80px var(--pad) 140px;display:grid;grid-template-columns:minmax(0,.7fr) minmax(0,1fr);gap:clamp(32px,6vw,110px);align-items:center}
.phone{justify-self:center;width:min(340px,100%);aspect-ratio:1080/1920;border-radius:44px;padding:10px;background:linear-gradient(145deg,#2a2b30,#121316);box-shadow:0 0 0 1px rgba(255,255,255,.08),0 50px 120px -30px rgba(201,178,138,0.138)}
.phone video{width:100%;height:100%;object-fit:cover;border-radius:34px;background:#000}
.clay-copy h2{font-size:clamp(40px,4.6vw,64px);font-weight:700;letter-spacing:-.03em;line-height:1.05}
.clay-lead{margin-top:20px;font-size:17px;color:var(--ink2);max-width:34em}
.facts{display:grid;grid-template-columns:1fr 1fr;gap:20px 32px;margin-top:34px}
.facts dt{font-size:12.5px;color:var(--mute)}
.facts dd{font-size:15.5px;font-weight:500;margin-top:2px}

/* BOOKS */
.books{max-width:var(--max);margin:0 auto;padding:40px var(--pad) 140px}
.shelf{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:18px;margin-top:44px;align-items:start}
.book{position:relative;text-align:left;background:var(--card);border:0;box-shadow:var(--shadow);border-radius:var(--rc);overflow:hidden;cursor:pointer;padding:0;display:flex;flex-direction:column;transition:transform .45s var(--ease),border-color .25s}
.book:hover{transform:translateY(-4px)}
.book .cover{aspect-ratio:16/9;overflow:hidden;background:#d9d9d9}
.book .cover img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.book:hover .cover img{transform:scale(1.04)}
.book .meta{padding:18px 20px 20px;display:flex;align-items:flex-end;gap:12px}
.book .meta b{font-size:18px;font-weight:600;display:block}
.book .meta small{color:var(--mute);font-size:13px}
.book .meta .go{margin-left:auto;display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--accent);white-space:nowrap}

/* PROFILE */
.profile{max-width:var(--max);margin:0 auto;padding:100px var(--pad) 120px;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:clamp(32px,6vw,100px);border-top:1px solid var(--line)}
.pf-main h2{font-size:clamp(30px,3.4vw,48px);font-weight:700;letter-spacing:-.02em;margin-bottom:24px}
.pf-main p{color:var(--ink2);font-size:16.5px;max-width:36em}
.pf-main p+p{margin-top:16px;color:var(--ink)}
.career{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:48px}
.career div{display:flex;flex-direction:column}
.career b{font-size:46px;font-weight:600;line-height:1;letter-spacing:-.03em}
.career span{font-size:13px;color:var(--mute);margin-top:8px}
.pf-side h3{font-size:15px;font-weight:600;color:var(--mute);margin-bottom:16px}
.pf-side h3:not(:first-child){margin-top:44px}
.can{list-style:none;counter-reset:c;display:grid;gap:14px}
.can li{counter-increment:c;display:grid;grid-template-columns:2em 1fr;font-size:16px}
.can li::before{content:counter(c,decimal-leading-zero);font:500 13px var(--mono);color:var(--accent);padding-top:4px}
.tech{display:grid;gap:18px}
.tech b{font-size:13px;color:var(--ink);font-weight:600}
.tech p{font:400 13.5px/1.8 var(--mono);color:var(--ink2);margin-top:2px}

/* ENDING */
.ending{position:relative;padding:140px var(--pad) 120px;text-align:center;overflow:hidden;border-top:1px solid var(--line);background:radial-gradient(60% 70% at 50% 100%,rgba(201,178,138,0.077),transparent 70%)}
.ending p{font-size:clamp(22px,2.6vw,36px);font-weight:600;line-height:1.6;letter-spacing:-.01em}
.end-name{margin-top:48px;font-size:18px;font-weight:700;letter-spacing:.04em}
.end-name span{display:block;font-weight:400;font-size:13px;color:var(--mute);letter-spacing:.02em;margin-top:4px}
.foot{display:flex;justify-content:space-between;gap:16px;padding:22px var(--pad);border-top:1px solid var(--line);font:400 12px var(--mono);color:var(--mute)}

/* LIGHTBOX */
.lb{position:fixed;inset:0;width:100%;height:100%;max-width:none;max-height:none;border:0;background:rgba(8,8,10,.94);color:var(--on-media);display:none;place-items:center;z-index:var(--z-lb)}
.lb[open]{display:grid}
.lb::backdrop{background:rgba(0,0,0,.6)}
.lb-body{width:min(92vw,1400px);height:86dvh;display:grid;place-items:center}
.lb-body video{max-height:86dvh;max-width:92vw;border-radius:var(--r);background:#000}
.lb-body img{max-height:86dvh;max-width:92vw;border-radius:8px;object-fit:contain}
.lb-x{position:absolute;top:18px;right:18px}
.lb-nav{position:absolute;top:50%;transform:translateY(-50%);width:48px;height:48px;font-size:20px}
.lb-nav.prev{left:18px}.lb-nav.next{right:18px}
.lb-count{position:absolute;bottom:18px;left:0;right:0;text-align:center;font:500 13px var(--mono);color:#9a9ca1}

/* REVEAL */
@media (prefers-reduced-motion:no-preference){
  .rv{opacity:0;transform:translateY(28px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
  .rv.in{opacity:1;transform:none}
  .sec-h.rv{clip-path:inset(0 0 100% 0);transform:translateY(18px);transition:clip-path 1.1s var(--ease),transform 1.1s var(--ease),opacity .6s}
  .sec-h.rv.in{clip-path:inset(0 0 -10% 0)}
  .work.rv{transform:translateY(40px) scale(.985)}
  .work.rv.in{transform:none;transition:opacity .9s var(--ease),transform .9s var(--ease),box-shadow .45s var(--ease)}
  .work.rv.in:hover{transform:translateY(-3px)}
  .hero-copy>*{animation:up 1s var(--ease) both}
  .hero-copy>*:nth-child(2){animation-delay:.08s}.hero-copy>*:nth-child(3){animation-delay:.16s}.hero-copy>*:nth-child(4){animation-delay:.24s}
  @keyframes up{from{opacity:0;transform:translateY(24px)}}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .col,.blob,.bg-grid,.mq-track,.hero h1 em,.scroll-cue span{animation:none}
}

/* RESPONSIVE */
@media (max-width:1180px){
  .nav nav{display:none}
  .nav-end{margin-left:auto}
  .ads-grid{grid-template-columns:repeat(4,1fr)}
  .ad:nth-child(n){transform:none}
  .ad:nth-child(4n+2),.ad:nth-child(4n+4){transform:translateY(28px)}
}
@media (max-width:900px){
  .hero{grid-template-columns:1fr;padding:0 var(--pad);min-height:auto}
  .hero-copy{padding:56px 0 8px}
  .wall{height:420px;transform:none;grid-template-columns:repeat(3,1fr);margin:0 calc(var(--pad) * -1);padding:0 12px}
  .stats{grid-template-columns:repeat(2,1fr);gap:28px 16px}
  .stat:last-child{grid-column:span 2}
  .scroll-cue{display:none}
  .blob{filter:blur(60px)}
  .work,.work:nth-child(even){grid-template-columns:1fr;gap:18px;padding:12px 12px 22px}
  .work:nth-child(even) .w-media{order:0}
  .w-num{font-size:64px;top:-6px}
  .pmr .res{margin-left:-6px}
  .w-body{padding:0 6px}
  .safe-grid{grid-template-columns:1fr}
  .safe-cell.big{grid-row:auto;min-height:0}
  .safe-cell.wide{grid-column:auto}
  .clay{grid-template-columns:1fr}
  .shelf{grid-template-columns:1fr}
  .profile{grid-template-columns:1fr}
  .career{grid-template-columns:repeat(2,1fr);gap:28px 16px}
}
@media (max-width:640px){
  .brand span{display:none}
  .ads-grid{grid-template-columns:repeat(2,1fr);gap:10px}
  .ad:nth-child(n){transform:none}
  .ad:nth-child(2n){transform:translateY(24px)}
  .facts{grid-template-columns:1fr}
  .lb-nav{display:none}
  .reel-play{width:72px;height:72px;font-size:28px}
}

/* HD 전환 버튼 (기본=가벼운 영상) */
.lb-hd{position:absolute;top:18px;right:72px;z-index:3;height:36px;padding:0 12px;border-radius:999px;border:1px solid rgba(255,255,255,.18);background:rgba(20,20,24,.7);color:rgba(255,255,255,.55);font:600 12px/1 "Geist Mono",monospace;letter-spacing:.08em;cursor:pointer;transition:color .2s,border-color .2s,background .2s}
.lb-hd:hover{color:#fff;border-color:rgba(255,255,255,.4)}
.lb-hd.on{color:var(--accent-ink);background:var(--accent);border-color:var(--accent)}
.lb-hd[hidden]{display:none}
.nav-end form[hidden]{display:none}