*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:88px}
body{margin:0;background:var(--bg);color:var(--ink);font:400 16px/1.6 var(--f-body);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
body::before{content:"";position:fixed;inset:0;pointer-events:none;z-index:-1;background-image:linear-gradient(var(--rule) 1px,transparent 1px),linear-gradient(90deg,var(--rule) 1px,transparent 1px);background-size:48px 48px;opacity:.35;mask-image:linear-gradient(to bottom,#000,transparent 70vh)}
img,svg,canvas{display:block;max-width:100%}
img{height:auto}
a{color:inherit;text-decoration-color:color-mix(in srgb,currentColor 35%,transparent);text-underline-offset:3px}
a:hover{text-decoration-color:currentColor}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
h1,h2,h3,h4{font-family:var(--f-display);font-weight:600;letter-spacing:-.02em;line-height:1.08;margin:0;text-wrap:balance}
p{margin:0;text-wrap:pretty}
.container{width:min(100% - 40px,var(--container));margin-inline:auto}
.mono{font-family:var(--f-mono);font-size:12px;letter-spacing:.04em}
.label{font-family:var(--f-mono);font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3)}
.label b{color:var(--accent);font-weight:500}
.skip{position:absolute;left:12px;top:-60px;background:var(--accent);color:var(--accent-ink);padding:8px 12px;border-radius:var(--r-sm);z-index:100}
.skip:focus{top:12px}
.icon{width:18px;height:18px;flex:none;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
/* header */
.site-header{position:sticky;top:0;z-index:50;border-bottom:1px solid transparent;transition:background-color .25s var(--ease-out),border-color .25s var(--ease-out),backdrop-filter .25s}
.site-header.scrolled{background:color-mix(in srgb,var(--bg) 78%,transparent);backdrop-filter:saturate(1.4) blur(14px);-webkit-backdrop-filter:saturate(1.4) blur(14px);border-bottom-color:var(--rule)}
.nav{display:flex;align-items:center;gap:24px;height:68px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-family:var(--f-display);font-weight:600;letter-spacing:-.01em}
.brand-mark{display:grid;place-items:center;width:34px;height:34px;border:1.5px solid var(--ink);border-radius:var(--r-sm);font:600 13px/1 var(--f-mono);letter-spacing:.02em;position:relative}
.brand-mark::after{content:"";position:absolute;right:-4px;bottom:-4px;width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 3px var(--bg)}
.brand small{display:block;font:500 11px/1.2 var(--f-mono);color:var(--ink-3);letter-spacing:.04em}
.nav-links{display:flex;gap:4px;margin-left:auto;list-style:none;padding:0;margin-block:0}
.nav-links a{position:relative;display:block;padding:8px 12px;font-size:14.5px;font-weight:500;color:var(--ink-2);text-decoration:none;border-radius:var(--r-sm);transition:color .2s}
.nav-links a:hover{color:var(--ink)}
.nav-links a::after{content:"";position:absolute;left:12px;right:12px;bottom:3px;height:1.5px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease-out)}
.nav-links a[aria-current="page"]{color:var(--ink)}
.nav-links a[aria-current="page"]::after,.nav-links a:hover::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:8px}
.icon-btn{display:grid;place-items:center;width:38px;height:38px;border-radius:var(--r-sm);border:1px solid var(--rule);background:var(--surface);color:var(--ink);cursor:pointer;transition:border-color .2s,transform .15s}
.icon-btn:hover{border-color:var(--rule-strong)}
.icon-btn:active{transform:scale(.96)}
.theme-toggle .moon{display:none}:root[data-theme="dark"] .theme-toggle .sun{display:none}:root[data-theme="dark"] .theme-toggle .moon{display:block}
.menu-btn{display:none}
.btn{display:inline-flex;align-items:center;gap:8px;height:42px;padding:0 16px;border-radius:var(--r-sm);border:1px solid var(--rule-strong);background:var(--surface);color:var(--ink);font:500 14.5px/1 var(--f-body);text-decoration:none;cursor:pointer;transition:transform .2s var(--ease-out),background-color .2s,border-color .2s,box-shadow .2s}
.btn:hover{border-color:var(--ink-3);transform:translateY(-1px)}
.btn:active{transform:translateY(0) scale(.98)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.btn.primary:hover{box-shadow:0 8px 20px -8px color-mix(in srgb,var(--accent) 70%,transparent)}
.btn.sm{height:38px;padding:0 12px;font-size:14px}
.btn .icon{width:16px;height:16px;transition:transform .25s var(--ease-out)}
.btn:hover .arrow{transform:translateX(3px)}
/* mobile sheet */
.sheet{position:fixed;inset:0;z-index:60;background:var(--bg);display:flex;flex-direction:column;padding:16px 20px 32px;opacity:0;visibility:hidden;transform:translateY(-8px);transition:opacity .3s var(--ease-out),transform .3s var(--ease-out),visibility 0s .3s}
.sheet.open{opacity:1;visibility:visible;transform:none;transition:opacity .3s var(--ease-out),transform .3s var(--ease-out)}
.sheet-top{display:flex;justify-content:space-between;align-items:center;height:52px}
.sheet nav{margin-top:28px;display:flex;flex-direction:column;border-top:1px solid var(--rule)}
.sheet nav a{display:flex;justify-content:space-between;align-items:center;padding:18px 2px;border-bottom:1px solid var(--rule);font:600 28px/1 var(--f-display);text-decoration:none;letter-spacing:-.02em}
.sheet nav a[aria-current="page"]{color:var(--accent)}
.sheet nav a span{font:500 12px var(--f-mono);color:var(--ink-3)}
.sheet .btn{margin-top:auto;justify-content:center;height:50px}
/* sections */
main{display:block}
.section{padding:96px 0}
.section.tight{padding:64px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:40px;padding-top:20px;border-top:1px solid var(--rule)}
.section-head h2{font-size:clamp(28px,3.4vw,42px);margin-top:10px}
.section-head p{color:var(--ink-2);max-width:56ch;margin-top:12px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:500;font-size:14.5px;text-decoration:none;color:var(--accent);white-space:nowrap}
.link-arrow .icon{width:16px;height:16px;transition:transform .25s var(--ease-out)}
.link-arrow:hover .icon{transform:translate(2px,-2px)}
.page-hero{padding:72px 0 40px}
.page-hero h1{font-size:clamp(40px,6vw,72px);margin-top:14px;max-width:16ch}
.page-hero .lead{font-size:clamp(17px,1.6vw,19px);color:var(--ink-2);max-width:60ch;margin-top:20px}
/* home hero */
.hero{padding:56px 0 72px}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.chip{display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 12px 0 10px;border:1px solid var(--rule-strong);border-radius:999px;background:var(--surface);font:500 12px var(--f-mono);letter-spacing:.03em;color:var(--ink-2)}
.chip .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 0 var(--accent);animation:pulse 2.4s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 color-mix(in srgb,var(--accent) 50%,transparent)}70%,100%{box-shadow:0 0 0 8px transparent}}
.hero h1{font-size:clamp(46px,7.4vw,92px);line-height:.98;letter-spacing:-.035em;margin-top:22px}
.hero h1 .role{display:block;font-size:.36em;line-height:1.25;letter-spacing:-.015em;color:var(--ink-2);font-weight:500;margin-top:18px;max-width:30ch}
.hero h1 .role em{font-style:normal;color:var(--accent)}
.hero .lead{font-size:18px;color:var(--ink-2);max-width:56ch;margin-top:22px}
.hero-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.hero-meta{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:28px;padding-top:18px;border-top:1px dashed var(--rule-strong)}
.hero-meta span{display:inline-flex;align-items:center;gap:6px;color:var(--ink-3);font:500 12px var(--f-mono)}
.hero-meta .icon{width:14px;height:14px}
.portrait-wrap{position:relative;aspect-ratio:4/5;max-width:440px;justify-self:end;width:100%}
.pcb{position:absolute;inset:-56px;width:calc(100% + 112px);height:calc(100% + 112px);color:var(--accent);z-index:0}
.pcb path,.pcb line,.pcb polyline{fill:none;stroke:currentColor;stroke-width:1.3;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:var(--len,600);stroke-dashoffset:var(--len,600);animation:draw 2.2s var(--ease-out) forwards;animation-delay:var(--d,0s);opacity:.75}
.pcb circle{fill:var(--bg);stroke:currentColor;stroke-width:1.3;opacity:0;animation:fade .4s ease-out forwards;animation-delay:calc(var(--d,0s) + 1.4s)}
.pcb .copper{color:var(--copper)}
@keyframes draw{to{stroke-dashoffset:0}}@keyframes fade{to{opacity:1}}
.portrait{position:relative;z-index:1;height:100%;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--rule-strong);box-shadow:var(--shadow-lift);background:var(--surface-2)}
.portrait img{width:100%;height:100%;object-fit:cover}
.portrait-tag{position:absolute;z-index:2;left:-18px;bottom:28px;display:flex;flex-direction:column;gap:2px;padding:10px 14px;background:var(--surface);border:1px solid var(--rule-strong);border-radius:var(--r-md);box-shadow:var(--shadow)}
.portrait-tag b{font:600 14px var(--f-display)}
.portrait-tag span{font:500 11px var(--f-mono);color:var(--ink-3)}
.scope{margin-top:40px;border:1px solid var(--rule);border-radius:var(--r-lg);background:var(--surface);overflow:hidden}
.scope-head{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 16px;border-bottom:1px solid var(--rule)}
.scope-legend{display:flex;gap:14px}
.scope-legend span{display:inline-flex;align-items:center;gap:6px}
.scope-legend i{width:14px;height:2px;background:var(--ink-3)}
.scope-legend i.f{background:var(--accent);height:2px}
.scope canvas{width:100%;height:120px}
.scope-foot{display:flex;flex-wrap:wrap;gap:6px 18px;padding:10px 16px;border-top:1px solid var(--rule)}
.scope-foot output{color:var(--ink)}
/* logo strip */
.logos{border-block:1px solid var(--rule);padding:22px 0}
.logos-row{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px 36px}
.logos-row .label{flex:none}
.logo-item{display:flex;align-items:center;gap:8px;height:34px;filter:grayscale(1);opacity:.62;transition:filter .35s var(--ease-out),opacity .35s var(--ease-out)}
.logo-item:hover,.logo-item:focus-within{filter:none;opacity:1}
.logo-item img{height:100%;width:auto;max-width:150px;object-fit:contain}
.logo-item.boxed img{border-radius:6px;background:#fff}
:root[data-theme="dark"] .logo-item.invert img{filter:invert(1) hue-rotate(180deg)}
.logo-item span{font:500 12px/1.2 var(--f-mono);color:var(--ink-2);max-width:12ch}
/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--rule);border-radius:var(--r-lg);background:var(--surface)}
.stat{padding:26px 24px;border-left:1px solid var(--rule)}
.stat:first-child{border-left:0}
.stat .num{font:600 clamp(36px,4.4vw,52px)/1 var(--f-display);letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.stat .num small{font-size:.45em;color:var(--ink-3);margin-left:4px;letter-spacing:0}
.stat p{margin-top:10px;color:var(--ink-2);font-size:14.5px}
/* cards */
.grid{display:grid;gap:20px}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.card{position:relative;display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--rule);border-radius:var(--r-lg);overflow:hidden;text-decoration:none;transition:transform .35s var(--ease-out),box-shadow .35s var(--ease-out),border-color .35s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lift);border-color:var(--rule-strong)}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--surface-2);border-bottom:1px solid var(--rule)}
.card-media img,.card-media svg{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease-out)}
.card:hover .card-media img,.card:hover .card-media svg{transform:scale(1.04)}
.card-media .badge{position:absolute;left:12px;top:12px;z-index:1}
.badge{display:inline-flex;align-items:center;height:24px;padding:0 9px;border-radius:999px;background:color-mix(in srgb,var(--surface) 88%,transparent);backdrop-filter:blur(6px);border:1px solid var(--rule);font:500 11px var(--f-mono);letter-spacing:.04em;color:var(--ink-2)}
.card-body{display:flex;flex-direction:column;gap:10px;padding:20px 20px 22px;flex:1}
.card-body h3{font-size:21px}
.card-body p{color:var(--ink-2);font-size:15px}
.card-foot{margin-top:auto;padding-top:10px;display:flex;justify-content:space-between;align-items:center;gap:8px}
.card-foot .go{display:grid;place-items:center;width:32px;height:32px;border-radius:50%;border:1px solid var(--rule);color:var(--accent);transition:background-color .25s,color .25s,transform .35s var(--ease-out)}
.card:hover .card-foot .go{background:var(--accent);color:var(--accent-ink);transform:rotate(-45deg)}
.tags{display:flex;flex-wrap:wrap;gap:6px}
.tag{display:inline-flex;align-items:center;height:24px;padding:0 8px;border-radius:var(--r-sm);background:var(--surface-2);border:1px solid var(--rule);font:500 11.5px var(--f-mono);color:var(--ink-2)}
/* focus tiles */
.tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--rule);border-radius:var(--r-lg);overflow:hidden;background:var(--surface)}
.tile{padding:28px 24px 30px;border-left:1px solid var(--rule);position:relative;transition:background-color .3s}
.tile:first-child{border-left:0}
.tile:hover{background:var(--accent-soft)}
.tile .ico{display:grid;place-items:center;width:42px;height:42px;border-radius:var(--r-md);border:1px solid var(--rule-strong);color:var(--accent);margin-bottom:22px;background:var(--bg)}
.tile .ico .icon{width:20px;height:20px}
.tile h3{font-size:19px}
.tile p{color:var(--ink-2);font-size:14.5px;margin-top:8px}
.tile .label{position:absolute;right:18px;top:20px}
/* CTA */
.cta{position:relative;overflow:hidden;border-radius:var(--r-lg);border:1px solid var(--rule-strong);background:var(--surface);padding:56px 48px;display:grid;grid-template-columns:1.4fr 1fr;gap:32px;align-items:center}
.cta::before{content:"";position:absolute;inset:0;background:radial-gradient(600px 240px at 90% 0%,var(--accent-soft),transparent 70%);pointer-events:none}
.cta h2{font-size:clamp(30px,4vw,48px)}
.cta p{color:var(--ink-2);margin-top:14px;max-width:48ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:10px;justify-content:flex-end;position:relative}
/* about */
.about-grid{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:start}
.about-photo{position:sticky;top:96px;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--rule-strong);background:var(--surface-2)}
.about-photo figcaption{padding:12px 14px;border-top:1px solid var(--rule);background:var(--surface)}
.prose{font-size:17px;color:var(--ink-2);display:grid;gap:18px;max-width:64ch}
.prose strong{color:var(--ink);font-weight:600}
.spec{margin-top:40px;border-top:1px solid var(--rule)}
.spec-row{display:grid;grid-template-columns:200px 1fr;gap:20px;padding:16px 0;border-bottom:1px solid var(--rule)}
.spec-row dt{font:500 12px var(--f-mono);color:var(--ink-3);letter-spacing:.05em;text-transform:uppercase;padding-top:3px}
.spec-row dd{margin:0}
.skills{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:28px}
.skill{padding:20px;border:1px solid var(--rule);border-radius:var(--r-md);background:var(--surface)}
.skill h3{font-size:17px;display:flex;align-items:center;gap:10px}
.skill h3 .icon{color:var(--accent)}
.skill ul{margin:12px 0 0;padding:0;list-style:none;display:grid;gap:6px;color:var(--ink-2);font-size:14.5px}
.skill li{display:flex;gap:8px}
.skill li::before{content:"";flex:none;width:5px;height:5px;margin-top:9px;background:var(--accent);border-radius:1px}
/* timeline */
.timeline{position:relative;display:grid;gap:0}
.timeline::before{content:"";position:absolute;left:27px;top:8px;bottom:8px;width:1px;background:var(--rule-strong)}
.t-item{position:relative;display:grid;grid-template-columns:56px 1fr;gap:24px;padding:0 0 40px}
.t-logo{position:relative;z-index:1;width:56px;height:56px;border-radius:var(--r-md);border:1px solid var(--rule-strong);background:#fff;display:grid;place-items:center;overflow:hidden;padding:7px}
.t-logo img{width:100%;height:100%;object-fit:contain}
.t-logo.icon-only{background:var(--surface);color:var(--accent)}
.t-logo.icon-only .icon{width:22px;height:22px}
.t-card{padding:22px 24px;border:1px solid var(--rule);border-radius:var(--r-lg);background:var(--surface);transition:border-color .3s,box-shadow .3s}
.t-card:hover{border-color:var(--rule-strong);box-shadow:var(--shadow)}
.t-top{display:flex;flex-wrap:wrap;justify-content:space-between;gap:6px 16px}
.t-card h3{font-size:21px}
.t-card .org{color:var(--ink-2);margin-top:4px;font-weight:500}
.t-card ul{margin:14px 0 0;padding:0 0 0 18px;color:var(--ink-2);display:grid;gap:6px}
.t-card ul li::marker{color:var(--accent)}
.t-card .tags{margin-top:16px}
.t-group{font:600 13px var(--f-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);margin:8px 0 22px 80px}
.mini-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.mini{display:grid;grid-template-columns:auto 1fr;gap:14px;padding:16px 18px;border:1px solid var(--rule);border-radius:var(--r-md);background:var(--surface)}
.mini .label{white-space:nowrap}
.mini h3{font-size:16px;font-family:var(--f-body);letter-spacing:0}
.mini p{font-size:14px;color:var(--ink-2);margin-top:4px}
/* projects page */
.toolbar{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;margin-bottom:28px;padding:14px;border:1px solid var(--rule);border-radius:var(--r-lg);background:var(--surface);position:sticky;top:80px;z-index:5}
.filters{display:flex;flex-wrap:wrap;gap:6px}
.filter{height:34px;padding:0 12px;border-radius:999px;border:1px solid var(--rule-strong);background:transparent;color:var(--ink-2);font:500 13px var(--f-body);cursor:pointer;transition:background-color .2s,color .2s,border-color .2s}
.filter:hover{border-color:var(--ink-3);color:var(--ink)}
.filter[aria-pressed="true"]{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.filter .n{font:500 11px var(--f-mono);opacity:.7;margin-left:4px}
.search{position:relative;flex:0 1 280px}
.search input{width:100%;height:38px;padding:0 12px 0 36px;border-radius:var(--r-sm);border:1px solid var(--rule-strong);background:var(--bg);color:var(--ink);font:400 14.5px var(--f-body)}
.search input:focus{outline:2px solid var(--accent);outline-offset:1px}
.search .icon{position:absolute;left:11px;top:10px;width:17px;height:17px;color:var(--ink-3)}
.empty{display:none;text-align:center;padding:64px 20px;border:1px dashed var(--rule-strong);border-radius:var(--r-lg);color:var(--ink-2)}
.empty.show{display:block}
.empty h3{font-size:22px;color:var(--ink);margin:12px 0 8px}
.project-grid .card[hidden]{display:none}
.result-count{margin:-12px 0 18px}
/* detail */
.detail-hero{padding:48px 0 24px}
.crumbs{display:flex;gap:8px;align-items:center;color:var(--ink-3);font:500 12px var(--f-mono)}
.crumbs a{text-decoration:none}.crumbs a:hover{color:var(--accent)}
.detail-hero h1{font-size:clamp(38px,5.6vw,68px);margin-top:18px;max-width:18ch}
.detail-hero .lead{font-size:18px;color:var(--ink-2);margin-top:18px;max-width:62ch}
.facts{display:grid;grid-template-columns:repeat(4,1fr);margin-top:32px;border:1px solid var(--rule);border-radius:var(--r-lg);background:var(--surface)}
.facts div{padding:16px 18px;border-left:1px solid var(--rule)}
.facts div:first-child{border-left:0}
.facts dt{font:500 11px var(--f-mono);letter-spacing:.07em;text-transform:uppercase;color:var(--ink-3)}
.facts dd{margin:6px 0 0;font-weight:500;font-size:15px}
.detail-cover{margin-top:28px;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--rule-strong);background:var(--surface-2);aspect-ratio:16/8}
.detail-cover img,.detail-cover svg{width:100%;height:100%;object-fit:cover}
.detail-layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:56px;align-items:start;padding:48px 0 32px}
.toc{position:sticky;top:96px;display:grid;gap:2px;border-left:1px solid var(--rule)}
.toc .label{padding:0 0 10px 16px}
.toc a{display:block;padding:7px 16px;margin-left:-1px;border-left:1.5px solid transparent;color:var(--ink-3);text-decoration:none;font-size:14px;transition:color .2s,border-color .2s}
.toc a:hover{color:var(--ink)}
.toc a.active{color:var(--accent);border-left-color:var(--accent)}
.d-section{padding-bottom:56px}
.d-section+.d-section{padding-top:8px}
.d-section h2{font-size:30px;margin:10px 0 18px}
.d-section .prose{font-size:16.5px}
.d-section ul.list{margin:0;padding:0 0 0 18px;display:grid;gap:8px;color:var(--ink-2);max-width:68ch}
.d-section ul.list li::marker{color:var(--accent)}
.blocks{display:flex;flex-wrap:wrap;align-items:stretch;gap:0;margin-top:22px;counter-reset:b}
.block{flex:1 1 150px;position:relative;padding:16px;border:1px solid var(--rule-strong);background:var(--surface);border-radius:var(--r-md);margin:6px 18px 6px 0;min-width:140px}
.block::before{counter-increment:b;content:"0" counter(b);display:block;font:500 11px var(--f-mono);color:var(--accent);margin-bottom:8px}
.block b{display:block;font:600 15px/1.3 var(--f-display)}
.block span{display:block;font-size:13px;color:var(--ink-2);margin-top:4px}
.block:not(:last-child)::after{content:"";position:absolute;right:-19px;top:50%;width:18px;height:1px;background:var(--accent)}
.gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:8px}
.gallery figure{margin:0;border:1px solid var(--rule);border-radius:var(--r-md);overflow:hidden;background:var(--surface)}
.gallery figure.wide{grid-column:span 2}
.gallery button{display:block;width:100%;aspect-ratio:4/3;padding:8px;border:0;background:#fff;cursor:zoom-in;overflow:hidden}
.gallery figure.wide button{aspect-ratio:21/9}
.gallery img{width:100%;height:100%;object-fit:contain;transition:transform .5s var(--ease-out)}
.gallery figure:hover img{transform:scale(1.02)}
.gallery figcaption{padding:10px 14px;font-size:13.5px;color:var(--ink-2);border-top:1px solid var(--rule)}
.note{margin-top:18px;padding:14px 16px;border-left:2px solid var(--copper);background:color-mix(in srgb,var(--copper) 8%,transparent);border-radius:0 var(--r-sm) var(--r-sm) 0;color:var(--ink-2);font-size:14.5px;max-width:70ch}
.kv{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:18px 0}
.kv div{padding:16px;border:1px solid var(--rule);border-radius:var(--r-md);background:var(--surface)}
.kv b{display:block;font:600 26px/1 var(--f-display);letter-spacing:-.02em}
.kv span{display:block;margin-top:8px;font:500 11.5px var(--f-mono);color:var(--ink-3)}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:16px;padding:16px 0 96px}
.pager a{display:flex;flex-direction:column;gap:6px;padding:20px 22px;border:1px solid var(--rule);border-radius:var(--r-lg);background:var(--surface);text-decoration:none;transition:border-color .25s,transform .3s var(--ease-out)}
.pager a:hover{border-color:var(--accent);transform:translateY(-2px)}
.pager a.next{text-align:right;align-items:flex-end}
.pager b{font:600 19px var(--f-display)}
.illus{color:var(--accent);background:var(--surface-2)}
/* credentials */
.cert-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.cert{display:flex;flex-direction:column;text-align:left;padding:0;border:1px solid var(--rule);border-radius:var(--r-lg);background:var(--surface);overflow:hidden;cursor:zoom-in;color:inherit;font:inherit;transition:transform .35s var(--ease-out),box-shadow .35s var(--ease-out),border-color .3s}
.cert:hover{transform:translateY(-4px);box-shadow:var(--shadow-lift);border-color:var(--rule-strong)}
.cert .card-media{background:#fff}
.cert .card-media img{object-fit:contain;padding:10px}
.cert-body{padding:14px 16px 16px;display:grid;gap:6px}
.cert-body b{font:600 15.5px/1.35 var(--f-display);letter-spacing:-.01em}
.course-list{display:grid;grid-template-columns:repeat(2,1fr);gap:0 32px;border-top:1px solid var(--rule)}
.course{display:grid;grid-template-columns:110px 1fr;gap:16px;padding:16px 0;border-bottom:1px solid var(--rule)}
.course h3{font:600 15.5px/1.35 var(--f-body);letter-spacing:0}
.course p{font-size:14px;color:var(--ink-2);margin-top:3px}
dialog.lightbox{width:min(1100px,94vw);max-height:92vh;padding:0;border:1px solid var(--rule-strong);border-radius:var(--r-lg);background:var(--surface);color:var(--ink);box-shadow:0 30px 80px -20px rgba(0,0,0,.5)}
dialog.lightbox::backdrop{background:rgba(6,10,14,.72);backdrop-filter:blur(4px)}
dialog.lightbox[open]{animation:lb-in .28s var(--ease-out)}
@keyframes lb-in{from{opacity:0;transform:scale(.97)}}
.lb-stage{background:#fff;display:grid;place-items:center;max-height:calc(92vh - 70px);overflow:auto}
.lb-stage img{max-height:calc(92vh - 70px);width:auto;object-fit:contain}
.lb-bar{display:flex;align-items:center;gap:10px;padding:12px 14px;border-top:1px solid var(--rule)}
.lb-bar p{flex:1;font-size:14.5px}
/* contact */
.contact-grid{display:grid;grid-template-columns:7fr 5fr;gap:32px;align-items:start}
.contact-card{padding:28px;border:1px solid var(--rule-strong);border-radius:var(--r-lg);background:var(--surface)}
.email-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:14px}
.email-row a{font:600 clamp(22px,3vw,34px)/1.1 var(--f-display);letter-spacing:-.02em;text-decoration:none;word-break:break-all}
.channels{display:grid;gap:10px}
.channel{display:flex;align-items:center;gap:14px;padding:16px 18px;border:1px solid var(--rule);border-radius:var(--r-md);background:var(--surface);text-decoration:none;transition:border-color .25s,transform .3s var(--ease-out)}
.channel:hover{border-color:var(--accent);transform:translateX(3px)}
.channel .icon{color:var(--accent);width:20px;height:20px}
.channel b{display:block;font-weight:600}
.channel span{font-size:13.5px;color:var(--ink-3)}
.channel .end{margin-left:auto;color:var(--ink-3)}
.toast{position:fixed;left:50%;bottom:28px;z-index:80;display:flex;align-items:center;gap:8px;padding:12px 16px;border-radius:var(--r-md);background:var(--ink);color:var(--bg);font-size:14.5px;font-weight:500;box-shadow:var(--shadow-lift);transform:translate(-50%,24px);opacity:0;pointer-events:none;transition:transform .35s var(--ease-out),opacity .35s var(--ease-out)}
.toast.show{transform:translate(-50%,0);opacity:1}
.toast .icon{color:var(--accent)}
/* footer */
.site-footer{border-top:1px solid var(--rule);padding:40px 0 48px;margin-top:24px}
.foot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:24px;align-items:flex-start}
.foot nav{display:flex;flex-wrap:wrap;gap:6px 20px}
.foot nav a{text-decoration:none;color:var(--ink-2);font-size:14.5px}
.foot nav a:hover{color:var(--accent)}
.foot p{color:var(--ink-3);font-size:13.5px;margin-top:8px}
/* reveal */
.js .reveal{opacity:0;transform:translateY(16px);transition:opacity .5s var(--ease-out),transform .5s var(--ease-out);transition-delay:calc(var(--i,0) * 60ms)}
.js .reveal.in{opacity:1;transform:none}
@view-transition{navigation:auto}
::view-transition-old(root){animation:.22s var(--ease-out) both vt-out}
::view-transition-new(root){animation:.32s var(--ease-out) both vt-in}
@keyframes vt-out{to{opacity:0;transform:translateY(-6px)}}@keyframes vt-in{from{opacity:0;transform:translateY(8px)}}
.site-header{view-transition-name:header}
/* responsive */
@media (max-width:1024px){
  .grid.cols-3,.cert-grid{grid-template-columns:repeat(2,1fr)}
  .tiles{grid-template-columns:repeat(2,1fr)}.tile:nth-child(3){border-left:0}.tile:nth-child(n+3){border-top:1px solid var(--rule)}
  .detail-layout{grid-template-columns:minmax(0,1fr);gap:24px}.toc{display:none}
  .hero-grid{gap:32px}
}
@media (max-width:767px){
  .nav-links,.nav-actions .btn{display:none}.menu-btn{display:grid}.nav-actions{margin-left:auto}
  .section{padding:64px 0}.hero{padding:28px 0 48px}
  .hero-grid,.about-grid,.contact-grid,.cta{grid-template-columns:1fr}
  .portrait-wrap{justify-self:center;max-width:320px;order:-1;margin:10px auto 8px}
  .portrait-tag{left:-8px}
  .about-photo{position:relative;top:0;max-width:360px}
  .stats{grid-template-columns:repeat(2,1fr)}.stat:nth-child(3){border-left:0}.stat:nth-child(n+3){border-top:1px solid var(--rule)}
  .grid.cols-3,.cert-grid,.tiles,.course-list,.mini-list,.skills,.gallery{grid-template-columns:1fr}
  .gallery figure.wide{grid-column:auto}
  .tile{border-left:0!important;border-top:1px solid var(--rule)}.tile:first-child{border-top:0}
  .facts,.kv{grid-template-columns:repeat(2,1fr)}.facts div:nth-child(3){border-left:0}.facts div:nth-child(n+3){border-top:1px solid var(--rule)}
  .cta{padding:36px 24px}.cta-actions{justify-content:flex-start}
  .section-head{flex-direction:column;align-items:flex-start}
  .spec-row{grid-template-columns:1fr;gap:4px}
  .toolbar{position:static}.search{flex:1 1 100%}
  .pager{grid-template-columns:1fr}
  .block{flex-basis:100%;margin-right:0;margin-bottom:18px}.block:not(:last-child)::after{right:auto;left:50%;top:auto;bottom:-19px;width:1px;height:18px}
  .t-item{grid-template-columns:44px 1fr;gap:14px}.t-logo{width:44px;height:44px;padding:5px}.timeline::before{left:21px}.t-group{margin-left:58px}
  .detail-cover{aspect-ratio:16/10}
  .course{grid-template-columns:1fr;gap:4px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  .js .reveal{opacity:1;transform:none}
  .pcb path,.pcb line,.pcb polyline{stroke-dashoffset:0}.pcb circle{opacity:1}
  @view-transition{navigation:none}
}
@media print{.site-header,.site-footer,.toolbar{display:none}}