/* ===== AI목수 · 디지털공방 — shared styles ===== */
:root{
  --bg:#100e0b; --bg2:#17130f; --surface:#1e1914; --surface2:#262019;
  --ink:#f3ebde; --muted:#a39684; --dim:#6f6457; --line:#33291f;
  --wood:#e39a5c; --wood2:#b4652f; --gold:#f2c46d; --blue:#5fa8e8; --blue-bg:#0c1722;
  --serif:"Gowun Batang",serif; --display:"Noto Serif KR",serif; --mono:"IBM Plex Mono",monospace;
  --sans:"IBM Plex Sans KR",system-ui,sans-serif;
  --ease:cubic-bezier(.7,0,.2,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
html.lenis,html.lenis body{height:auto}
.lenis.lenis-smooth{scroll-behavior:auto!important}
body{background:var(--bg);color:var(--ink);font-family:var(--sans);line-height:1.75;overflow-x:hidden;word-break:keep-all}
body.loading{overflow:hidden}
a{color:inherit;text-decoration:none}
img,svg{display:block}
::selection{background:var(--wood);color:var(--bg)}
.wrap{max-width:1240px;margin:0 auto;padding:0 24px}
.mono{font-family:var(--mono);font-size:.75rem;letter-spacing:.16em;text-transform:uppercase}
.accent{color:var(--wood)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* grain overlay */
.grain{pointer-events:none;position:fixed;inset:-50%;width:200%;height:200%;z-index:90;opacity:.07;animation:grain 1s steps(4) infinite;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
@keyframes grain{0%{transform:translate(0,0)}25%{transform:translate(-3%,2%)}50%{transform:translate(2%,-3%)}75%{transform:translate(-2%,-1%)}}

/* loader */
.loader{position:fixed;inset:0;z-index:200;background:var(--bg);display:flex;flex-direction:column;justify-content:space-between;padding:28px 24px}
.loader .top{display:flex;justify-content:space-between;color:var(--muted)}
.loader .count{font-family:var(--display);font-weight:900;font-size:clamp(5rem,18vw,14rem);line-height:.85;color:var(--wood);align-self:flex-end}
.loader .bar{position:absolute;left:0;bottom:0;height:2px;width:100%;background:var(--wood);transform-origin:left;transform:scaleX(0)}

/* page transition curtain */
.curtain{position:fixed;inset:0;z-index:150;background:var(--wood);transform:scaleY(0);transform-origin:bottom;pointer-events:none;display:grid;place-items:center}
.curtain span{font-family:var(--display);font-weight:900;font-size:clamp(3rem,10vw,7rem);color:var(--bg);opacity:0}

/* code flow background + hover label */
#codeflow{position:fixed;inset:0;z-index:0;pointer-events:none}
body>main,body>footer{position:relative;z-index:1}
#sawdust,.cursor,.cursor-ring{display:none!important}
.cursor-label{position:fixed;top:0;left:0;pointer-events:none;z-index:120;display:none;font-family:var(--mono);font-size:.7rem;letter-spacing:.14em;color:var(--bg);background:var(--wood);padding:6px 12px;border-radius:99px;opacity:0;transition:opacity .2s}
.cursor-label.on{opacity:1}
@media (pointer:fine){.cursor-label{display:block}}

/* progress + header */
.progress{position:fixed;top:0;left:0;height:2px;width:100%;background:linear-gradient(90deg,var(--wood2),var(--gold));transform-origin:0 50%;transform:scaleX(0);z-index:70}
.hdr{position:fixed;top:0;left:0;right:0;z-index:60;transition:transform .5s var(--ease),background .3s,border-color .3s;border-bottom:1px solid transparent}
.hdr.scrolled{background:rgba(16,14,11,.78);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-color:var(--line)}
.hdr.hide{transform:translateY(-100%)}
.hdr nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{display:flex;align-items:center;gap:10px;font-weight:600;letter-spacing:-.01em}
.logo b{font-family:var(--display);font-size:1.35rem;color:var(--wood)}
.menu{display:flex;gap:6px;list-style:none;align-items:center}
.menu a{display:block;padding:8px 14px;border-radius:99px;font-size:.92rem;color:var(--muted);transition:color .2s,background .2s}
.menu a:hover,.menu a.on{color:var(--ink);background:rgba(255,255,255,.05)}
.menu .cta-sm{color:var(--bg);background:var(--wood)}
.menu .cta-sm:hover{background:var(--gold);color:var(--bg)}
.burger{display:none;background:none;border:0;color:var(--ink);font:inherit;cursor:pointer;padding:8px}
.mnav{position:fixed;inset:0;z-index:55;background:var(--bg);display:flex;flex-direction:column;justify-content:center;padding:0 24px;gap:6px;clip-path:inset(0 0 100% 0);transition:clip-path .7s var(--ease)}
.mnav.open{clip-path:inset(0 0 0 0)}
.mnav a{font-family:var(--display);font-weight:900;font-size:2.6rem;line-height:1.3}
.mnav a span{font-family:var(--mono);font-size:.8rem;color:var(--wood);margin-right:12px;vertical-align:middle}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 26px;border-radius:999px;font-weight:500;border:1px solid var(--line);background:rgba(255,255,255,.02);position:relative;overflow:hidden;isolation:isolate;transition:border-color .3s,color .3s}
.btn::before{content:"";position:absolute;inset:0;background:var(--wood);transform:translateY(101%);transition:transform .5s var(--ease);z-index:-1;border-radius:inherit}
button.btn{color:var(--ink);font:inherit;cursor:pointer}
.btn:hover{color:var(--bg);border-color:var(--wood)}
.btn:hover::before{transform:none}
.btn.primary{background:var(--wood);color:var(--bg);border-color:var(--wood)}
.btn.primary::before{background:var(--ink)}
.btn .arr{transition:transform .4s var(--ease)}
.btn:hover .arr{transform:translateX(4px)}

/* split text helpers */
.line{display:block;overflow:hidden;padding-bottom:.06em}
.line>span{display:inline-block}

/* sections common */
section{position:relative}
.sec{padding:140px 0}
.sec-label{display:flex;align-items:center;gap:14px;color:var(--muted);margin-bottom:28px}
.sec-label i{display:block;width:40px;height:1px;background:var(--wood)}
.sec-title{font-family:var(--display);font-weight:900;font-size:clamp(2.4rem,6vw,4.6rem);line-height:1.12;letter-spacing:-.02em}
.sec-title em{font-style:normal;color:var(--wood)}
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:56px;flex-wrap:wrap}
.sec-head p{max-width:420px;color:var(--muted)}

/* ===== HOME ===== */
.hero{min-height:100vh;min-height:100svh;display:flex;flex-direction:column;justify-content:flex-end;padding:120px 0 48px;overflow:hidden}
#sawdust{position:absolute;inset:0;width:100%;height:100%}
.hero .glow{position:absolute;width:80vmax;height:80vmax;border-radius:50%;right:-25vmax;top:-20vmax;background:radial-gradient(circle,rgba(227,154,92,.18),transparent 60%);pointer-events:none}
.hero-inner{position:relative;z-index:2}
.hero .kicker{color:var(--wood);margin-bottom:28px;display:flex;gap:16px;flex-wrap:wrap}
.hero h1{font-family:var(--display);font-weight:900;font-size:clamp(3.1rem,10vw,9.4rem);line-height:1.02;letter-spacing:-.035em}
.hero h1 .wood{background:linear-gradient(180deg,#fff3e2 0%,var(--wood) 55%,var(--wood2));-webkit-background-clip:text;background-clip:text;color:transparent;padding-right:.04em}
.hero-foot{display:grid;grid-template-columns:1.2fr 1fr auto;gap:32px;align-items:end;margin-top:56px;padding-top:28px;border-top:1px solid var(--line)}
.hero-foot p{color:var(--muted);max-width:460px}
.hero-foot .meta{display:flex;flex-direction:column;gap:4px;color:var(--muted)}
.hero-foot .meta b{color:var(--ink);font-weight:500}
.scroll-ind{width:56px;height:56px;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center;color:var(--wood)}
.scroll-ind svg{animation:bob 2s ease-in-out infinite}
@keyframes bob{50%{transform:translateY(5px)}}

.marquee{border-block:1px solid var(--line);overflow:hidden;padding:26px 0;background:var(--bg2)}
.marquee-track{display:flex;gap:56px;width:max-content;font-family:var(--display);font-weight:900;font-size:clamp(2rem,5vw,3.6rem);white-space:nowrap;align-items:center}
.marquee-track span{color:transparent;-webkit-text-stroke:1px var(--dim)}
.marquee-track span.f{color:var(--wood);-webkit-text-stroke:0}
.marquee-track i{width:14px;height:14px;background:var(--wood);transform:rotate(45deg);flex:none}

/* statement */
.statement p{font-family:var(--serif);font-size:clamp(1.6rem,3.8vw,3rem);line-height:1.5;max-width:1050px}
.statement .w{opacity:.15}
.statement .w.hl{color:var(--wood)}
.statement .side{display:flex;gap:24px;margin-top:48px;flex-wrap:wrap;align-items:center}

/* works — horizontal */
.works{background:var(--bg2);border-block:1px solid var(--line);overflow:hidden}
.works-pin{height:100vh;display:flex;flex-direction:column;justify-content:center;padding:100px 0 40px}
.works-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:36px}
.works-count{font-family:var(--mono);color:var(--muted)}
.works-count b{color:var(--wood);font-weight:500}
.works-track{display:flex;gap:28px;padding-left:max(24px,calc((100vw - 1240px)/2 + 24px));padding-right:10vw;will-change:transform}
.work{flex:none;width:min(78vw,620px);display:flex;flex-direction:column;gap:18px}
.work-art{position:relative;aspect-ratio:4/3;border-radius:20px;overflow:hidden;border:1px solid var(--line);background:var(--surface)}
.work-art .inner{position:absolute;inset:-6%;transition:transform 1s var(--ease)}
.work:hover .work-art .inner{transform:scale(1.04)}
.work-art svg{width:100%;height:100%}
.work-art .glyph{position:absolute;right:6%;bottom:2%;font-family:var(--display);font-weight:900;font-size:clamp(5rem,12vw,9rem);line-height:1;color:rgba(255,255,255,.08)}
.work-art .badge{position:absolute;left:18px;top:18px;padding:5px 12px;border-radius:99px;background:rgba(16,14,11,.6);backdrop-filter:blur(8px);font-family:var(--mono);font-size:.7rem;letter-spacing:.12em;border:1px solid rgba(255,255,255,.1)}
.work-meta{display:flex;justify-content:space-between;gap:16px;align-items:flex-start}
.work-meta h3{font-family:var(--serif);font-size:1.6rem;line-height:1.3}
.work-meta p{color:var(--muted);font-size:.95rem;margin-top:6px;max-width:440px}
.work-meta .idx{font-family:var(--mono);color:var(--dim);font-size:.8rem;padding-top:8px}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}
.tags span{font-family:var(--mono);font-size:.68rem;letter-spacing:.06em;padding:3px 10px;border:1px solid var(--line);border-radius:99px;color:var(--muted)}
.works-progress{height:1px;background:var(--line);margin-top:40px;position:relative}
.works-progress i{position:absolute;inset:0;background:var(--wood);transform-origin:left;transform:scaleX(0)}

/* capabilities bento */
.bento{display:grid;grid-template-columns:repeat(6,1fr);grid-auto-rows:minmax(220px,auto);gap:16px}
.cell{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:30px;overflow:hidden;display:flex;flex-direction:column;justify-content:space-between;transition:border-color .3s}
.cell:hover{border-color:rgba(227,154,92,.5)}
.cell::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:0;transition:opacity .3s;background:radial-gradient(400px circle at var(--mx,50%) var(--my,50%),rgba(227,154,92,.12),transparent 50%)}
.cell:hover::after{opacity:1}
.cell .no{font-family:var(--mono);font-size:.75rem;color:var(--dim)}
.cell h3{font-family:var(--serif);font-size:1.5rem;margin:auto 0 8px}
.cell p{color:var(--muted);font-size:.93rem}
.c1{grid-column:span 4;grid-row:span 2;background:radial-gradient(circle at 85% 15%,rgba(227,154,92,.18),transparent 45%),var(--surface)}
.c1 h3{font-size:clamp(1.8rem,3.4vw,2.6rem);font-family:var(--display);font-weight:900;line-height:1.25}
.c2{grid-column:span 2}
.c3{grid-column:span 2}
.c4{grid-column:span 3}
.c5{grid-column:span 3;background:var(--blue-bg);border-color:#1d3448}
.c5 .no{color:var(--blue)}
.stack-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.stack-chips span{padding:6px 14px;border-radius:99px;background:var(--surface2);border:1px solid var(--line);font-size:.85rem}
.mini-term{font-family:var(--mono);font-size:.78rem;color:var(--muted);background:#0b0a08;border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin-top:18px;line-height:1.8}
.mini-term b{color:var(--wood);font-weight:500}
.mini-term .ok{color:#8fc98a}
.big-c1-art{position:absolute;right:-30px;top:-30px;width:320px;height:320px;opacity:.6}

/* process */
.process{display:grid;grid-template-columns:1fr 1.3fr;gap:80px}
.process-sticky{position:sticky;top:120px;align-self:start}
.process-sticky .big{font-family:var(--display);font-weight:900;font-size:clamp(6rem,14vw,11rem);line-height:1;color:var(--wood);margin-top:24px}
.process-sticky .big small{font-size:.22em;font-family:var(--mono);color:var(--muted);font-weight:500;margin-left:10px;letter-spacing:.1em}
.steps{display:flex;flex-direction:column}
.step{padding:44px 0;border-top:1px solid var(--line);display:grid;grid-template-columns:80px 1fr;gap:20px;opacity:.35;transition:opacity .5s}
.step.on{opacity:1}
.step:last-child{border-bottom:1px solid var(--line)}
.step .n{font-family:var(--mono);color:var(--wood);font-size:.85rem;padding-top:10px}
.step h3{font-family:var(--serif);font-size:clamp(1.5rem,2.6vw,2rem);margin-bottom:10px}
.step h3 small{font-family:var(--mono);font-size:.7rem;color:var(--dim);letter-spacing:.14em;margin-left:10px}
.step p{color:var(--muted)}

/* about teaser */
.teaser{display:grid;grid-template-columns:auto 1fr;gap:56px;align-items:center;padding:64px;border:1px solid var(--line);border-radius:28px;background:radial-gradient(circle at 0% 100%,rgba(227,154,92,.14),transparent 50%),var(--surface);overflow:hidden}
.teaser .han{font-family:var(--display);font-weight:900;font-size:clamp(6rem,16vw,12rem);line-height:.9;background:linear-gradient(180deg,#fff3e2,var(--wood) 60%,var(--wood2));-webkit-background-clip:text;background-clip:text;color:transparent}
.teaser h2{font-family:var(--serif);font-size:clamp(1.6rem,3vw,2.3rem);line-height:1.4;margin-bottom:14px}
.teaser p{color:var(--muted);margin-bottom:26px;max-width:560px}

/* insights */
.posts{list-style:none;border-top:1px solid var(--line)}
.posts li{border-bottom:1px solid var(--line)}
.posts a{display:grid;grid-template-columns:140px 1fr 160px 40px;gap:24px;align-items:center;padding:30px 4px;position:relative}
.posts a::before{content:"";position:absolute;inset:0;background:var(--surface);transform:scaleY(0);transform-origin:bottom;transition:transform .5s var(--ease);z-index:-1;border-radius:4px}
.posts a:hover::before{transform:none}
.posts time{font-family:var(--mono);font-size:.75rem;color:var(--muted);letter-spacing:.1em}
.posts h3{font-family:var(--serif);font-size:clamp(1.15rem,2vw,1.5rem);transition:transform .5s var(--ease),color .3s}
.posts a:hover h3{transform:translateX(10px);color:var(--wood)}
.posts p{color:var(--muted);font-size:.9rem;margin-top:4px}
.posts .cat{font-size:.85rem;color:var(--muted)}
.posts .ar{color:var(--wood);transition:transform .4s var(--ease)}
.posts a:hover .ar{transform:rotate(-45deg)}

/* youtube */
.yt{display:grid;grid-template-columns:1fr 1.15fr;gap:48px;align-items:center}
.yt h2{font-family:var(--display);font-weight:900;font-size:clamp(2.2rem,5vw,3.6rem);line-height:1.15;margin:16px 0}
.yt p{color:var(--muted);margin-bottom:28px;max-width:440px}
.yt-frame{position:relative;aspect-ratio:16/9;border-radius:22px;overflow:hidden;border:1px solid var(--line);
  background:radial-gradient(circle at 30% 30%,rgba(227,154,92,.25),transparent 55%),repeating-linear-gradient(135deg,rgba(255,255,255,.03) 0 14px,transparent 14px 28px),var(--surface);display:grid;place-items:center}
.yt-frame .play{width:88px;height:88px;border-radius:50%;background:var(--wood);display:grid;place-items:center;transition:transform .4s var(--ease)}
.yt-frame:hover .play{transform:scale(1.1)}
.yt-frame .play::before{content:"";border-left:22px solid var(--bg);border-top:14px solid transparent;border-bottom:14px solid transparent;margin-left:6px}
.yt-frame .cap{position:absolute;left:20px;bottom:18px;color:var(--muted)}

/* contact / footer */
.contact{padding:160px 0 80px;text-align:center;overflow:hidden}
.contact .mono{color:var(--wood)}
.contact h2{font-family:var(--display);font-weight:900;font-size:clamp(3rem,11vw,9rem);line-height:1.02;letter-spacing:-.03em;margin:24px 0 40px}
.contact h2 .o{color:transparent;-webkit-text-stroke:1.5px var(--wood)}
.contact .actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.copy-mail{font-family:var(--mono);font-size:.9rem}
.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,calc(100% + 60px));opacity:0;background:var(--ink);color:var(--bg);padding:12px 22px;border-radius:99px;z-index:130;transition:transform .5s var(--ease);font-size:.9rem}
.toast.on{transform:translate(-50%,0);opacity:1}
.foot{border-top:1px solid var(--line);padding:36px 0;color:var(--muted);font-size:.88rem}
.foot .wrap{display:grid;grid-template-columns:1fr auto auto;gap:32px;align-items:center}
.foot .links{display:flex;gap:20px}
.foot .links a:hover{color:var(--wood)}
.foot .clock b{color:var(--ink);font-weight:500}

/* ===== ABOUT ===== */
.a-hero{min-height:100vh;min-height:100svh;display:flex;align-items:center;padding:120px 0 60px;overflow:hidden}
.a-hero .bg-han{position:absolute;right:-4vw;top:50%;transform:translateY(-50%);font-family:var(--display);font-weight:900;font-size:clamp(14rem,42vw,40rem);line-height:.8;color:transparent;-webkit-text-stroke:1px rgba(227,154,92,.18);pointer-events:none;white-space:nowrap}
.a-hero .kicker{color:var(--wood);margin-bottom:24px;display:block}
.a-hero h1{font-family:var(--display);font-weight:900;font-size:clamp(3rem,9vw,7.6rem);line-height:1.05;letter-spacing:-.03em}
.a-hero h1 .wood{background:linear-gradient(180deg,#fff3e2 0%,var(--wood) 55%,var(--wood2));-webkit-background-clip:text;background-clip:text;color:transparent}
.a-hero p{color:var(--muted);max-width:560px;margin-top:28px;font-size:1.08rem}
.chapter{padding:130px 0;border-top:1px solid var(--line)}
.chapter-grid{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center}
.chapter .num{font-family:var(--mono);color:var(--wood);font-size:.8rem;letter-spacing:.2em}
.chapter .hanja{font-family:var(--display);font-weight:900;font-size:clamp(4.5rem,11vw,8.5rem);line-height:1;margin:16px 0 8px}
.chapter .hanja small{font-size:.32em;font-family:var(--mono);font-weight:500;color:var(--muted);vertical-align:middle;margin-left:.3em;letter-spacing:.1em}
.chapter h3{font-family:var(--serif);font-size:clamp(1.5rem,3vw,2.1rem);margin-bottom:26px}
.chapter ul{list-style:none;display:flex;flex-direction:column;gap:18px}
.chapter li{position:relative;padding-left:24px;color:#d9cdbb}
.chapter li::before{content:"";position:absolute;left:0;top:.8em;width:12px;height:1px;background:var(--wood)}
.chapter li strong{color:var(--ink);font-weight:600}
.visual{aspect-ratio:1/1;border:1px solid var(--line);border-radius:24px;background:var(--surface);position:relative;overflow:hidden;display:grid;place-items:center}
.visual svg{width:86%;height:86%}
.ch1 .visual{background:radial-gradient(circle at 30% 20%,#2c231b,#1a1511)}
.ch1 .grain-line{fill:none;stroke:var(--wood);stroke-width:1.2;opacity:.55}
.ch1 .tool{fill:none;stroke:var(--gold);stroke-width:2}
.ch2{background:var(--blue-bg)}
.ch2 .num{color:var(--blue)}
.ch2 li::before{background:var(--blue)}
.ch2 .hanja{color:#dceeff}
.ch2 .hanja em{font-style:normal;color:var(--blue)}
.ch2 .visual{background:#0f2133;border-color:#1f3a55;background-image:linear-gradient(rgba(95,168,232,.12) 1px,transparent 1px),linear-gradient(90deg,rgba(95,168,232,.12) 1px,transparent 1px);background-size:24px 24px}
.ch2 .bp{fill:none;stroke:var(--blue);stroke-width:1.5}
.ch2 .bp-text{fill:var(--blue);font-family:var(--mono);font-size:9px;letter-spacing:.1em}
.ch3 .visual{background:radial-gradient(circle,#2a1f12,#14110d 70%)}
.ch3 .big-su{font-family:var(--display);font-weight:900;font-size:clamp(9rem,24vw,17rem);line-height:1;color:var(--gold);text-shadow:0 0 40px rgba(242,196,109,.45),0 0 120px rgba(227,154,92,.35)}
.ch3 .coder{position:absolute;bottom:24px;left:0;right:0;text-align:center;font-family:var(--mono);font-size:.8rem;color:var(--muted)}
.ch3 .coder s{opacity:.6}
.manifesto{padding:180px 0;text-align:center;background:linear-gradient(var(--bg),var(--bg2))}
.manifesto .mono{color:var(--wood);margin-bottom:30px;display:block}
.manifesto blockquote{font-family:var(--serif);font-size:clamp(1.6rem,4vw,2.9rem);line-height:1.55;max-width:960px;margin:0 auto}
.manifesto .w{opacity:.15;display:inline-block;white-space:nowrap}
.manifesto .w.hl{color:var(--wood)}
.manifesto cite{display:block;margin-top:40px;font-style:normal;color:var(--muted)}
.principles{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.pr{padding:34px;border:1px solid var(--line);border-radius:22px;background:var(--surface)}
.pr .k{font-family:var(--display);font-weight:900;font-size:2.6rem;color:var(--wood);line-height:1}
.pr h3{font-family:var(--serif);font-size:1.3rem;margin:18px 0 8px}
.pr p{color:var(--muted);font-size:.93rem}
.toolbox{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:22px;overflow:hidden}
.tool-i{background:var(--bg);padding:28px;transition:background .3s}
.tool-i:hover{background:var(--surface)}
.tool-i .mono{color:var(--dim)}
.tool-i b{display:block;font-family:var(--serif);font-size:1.2rem;margin:10px 0 4px;font-weight:700}
.tool-i span{color:var(--muted);font-size:.88rem}

/* ===== responsive ===== */
@media (max-width:960px){
  .menu{display:none}
  .burger{display:block}
  .hero-foot{grid-template-columns:1fr;gap:20px}
  .scroll-ind{display:none}
  .bento{grid-template-columns:1fr 1fr}
  .c1,.c2,.c3,.c4,.c5{grid-column:span 2;grid-row:auto}
  .process{grid-template-columns:1fr;gap:20px}
  .process-sticky{position:static}
  .process-sticky .big{display:none}
  .teaser{grid-template-columns:1fr;padding:36px;gap:20px}
  .posts a{grid-template-columns:1fr auto;gap:6px 16px}
  .posts time{grid-column:1/-1}
  .posts .cat{display:none}
  .yt{grid-template-columns:1fr}
  .foot .wrap{grid-template-columns:1fr;gap:14px}
  .chapter{padding:90px 0}
  .chapter-grid{grid-template-columns:1fr;gap:36px}
  .chapter-grid .visual{order:-1;max-width:440px;width:100%;margin:0 auto}
  .principles{grid-template-columns:1fr}
  .toolbox{grid-template-columns:1fr 1fr}
  .sec{padding:100px 0}
}
@media (max-width:960px),(prefers-reduced-motion:reduce){
  .works-pin{height:auto;padding:100px 0}
  .works-track{flex-direction:column;padding:0 24px;gap:56px}
  .work{width:100%}
  .works-progress{display:none}
}
@media (prefers-reduced-motion:reduce){
  .grain,.scroll-ind svg{animation:none}
  .statement .w,.manifesto .w{opacity:1}
  .step{opacity:1}
}