/* finesse · register=brand · A=paper-grey+roof-blue · B=800/400-cjk+mono-labels · C=archive-mosaic
 * D=css-reveal+view-transition-filter+drag-compare · E=engineering-archive · SOUL=7 SPECTACLE=4 DENSITY=6 */
:root{
  --steel-0:#f2f1ec;--steel-1:#e8e7e0;--card:#fbfaf6;--ink:#151f29;--ink-2:#3e4a55;--muted:#6f7a83;
  --line:rgba(21,31,41,.12);--line-2:rgba(21,31,41,.2);--blue:#1b5fc6;--blue-d:#123f86;--blue-t:rgba(27,95,198,.09);
  --night:#111a23;--night-2:#18232e;--on-night:#e9ecee;--on-night-2:rgba(233,236,238,.66);--on-night-line:rgba(233,236,238,.14);
  --shadow:0 18px 50px rgba(17,26,35,.13);--max:1240px;--nav-h:74px;
  --mono:"SF Mono","JetBrains Mono",ui-monospace,Menlo,Consolas,monospace;
  --sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans CJK SC",system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--nav-h) + 12px);overflow-x:clip}
body{margin:0;overflow-x:clip;color:var(--ink);background:var(--steel-0);font:15px/1.75 var(--sans);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
body:before{content:"";position:fixed;inset:0;z-index:200;pointer-events:none;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='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
h1,h2,h3{margin:0;overflow-wrap:anywhere;min-width:0}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px}
.container{width:min(calc(100% - 48px),var(--max));margin-inline:auto}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip-link{position:fixed;left:12px;top:12px;z-index:300;padding:10px 16px;background:var(--card);transform:translateY(-200%)}
.skip-link:focus{transform:none}
.mono{font-family:var(--mono);letter-spacing:.02em}

/* header */
.site-header{position:sticky;top:0;z-index:120;height:var(--nav-h);background:rgba(242,241,236,.86);backdrop-filter:blur(14px) saturate(1.2);border-bottom:1px solid transparent;transition:border-color .25s,background .25s}
.site-header.scrolled{border-bottom-color:var(--line);background:rgba(242,241,236,.95)}
.nav-wrap{height:100%;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{display:grid;place-items:center;width:42px;height:42px;border-radius:10px;background:var(--blue);color:#f4f7fb;font:800 14px/1 var(--sans);letter-spacing:-.04em}
.brand-text{display:grid;line-height:1.2}
.brand-text strong{font-size:17px;letter-spacing:.06em}
.brand-text small{margin-top:3px;color:var(--muted);font-size:11px;letter-spacing:.08em;white-space:nowrap}
.site-nav{display:flex;align-items:center;gap:26px;margin-left:auto;font-size:14px}
.site-nav a{position:relative;white-space:nowrap;color:var(--ink-2);transition:color .2s}
.site-nav a:hover,.site-nav a.active{color:var(--ink)}
.site-nav a:after{content:"";position:absolute;left:0;right:100%;bottom:-6px;height:2px;background:var(--blue);transition:right .25s}
.site-nav a:hover:after,.site-nav a.active:after{right:0}
.nav-call{display:flex;align-items:center;gap:10px;padding:9px 16px;border-radius:999px;background:var(--ink);color:#f2f1ec;font-size:14px;font-weight:700;white-space:nowrap;transition:background .2s}
.nav-call:hover{background:var(--blue)}
.nav-call i{width:7px;height:7px;border-radius:50%;background:#7fe0a2;box-shadow:0 0 0 4px rgba(127,224,162,.18)}
.menu-button{display:none;margin-left:auto;padding:10px;border:0;background:none;cursor:pointer}
.menu-button i{display:block;width:22px;height:2px;margin:5px 0;background:currentColor}

/* buttons */
.button{display:inline-flex;align-items:center;justify-content:center;gap:14px;min-height:52px;padding:0 26px;border:1px solid transparent;border-radius:999px;font-size:15px;font-weight:700;white-space:nowrap;cursor:pointer;transition:transform .2s,background .2s,color .2s,border-color .2s}
.button:hover{transform:translateY(-2px)}
.button-blue{background:var(--blue);color:#f4f7fb}
.button-blue:hover{background:var(--blue-d)}
.button-line{border-color:var(--line-2)}
.button-line:hover{border-color:var(--ink)}
.button-light{background:#f2f1ec;color:var(--ink)}
.button-light:hover{background:#fcfcfa}
.button-ghost-light{border-color:var(--on-night-line);color:var(--on-night)}
.button-ghost-light:hover{border-color:var(--on-night)}

/* section scaffolding */
.section{padding:clamp(76px,10vw,128px) 0}
.section-head{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);gap:8%;align-items:end;margin-bottom:clamp(36px,5vw,58px)}
.section-head h2,.display-2{font-size:clamp(32px,4.4vw,58px);font-weight:800;line-height:1.14;letter-spacing:-.035em}
.section-head p{margin:0;color:var(--muted)}
.label{display:inline-flex;align-items:center;gap:10px;margin-bottom:18px;color:var(--blue);font:600 12px/1 var(--mono);letter-spacing:.14em}
.label:before{content:"";width:22px;height:1px;background:currentColor}
.dark{color:var(--on-night);background:var(--night)}
.dark .section-head p{color:var(--on-night-2)}
.js .reveal{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
.js .reveal.is-visible{opacity:1;transform:none}
/* hero */
.hero{position:relative;padding:clamp(40px,6vw,76px) 0 clamp(56px,7vw,92px)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);gap:clamp(32px,5vw,72px);align-items:center}
.hero h1{font-size:clamp(40px,6.4vw,86px);font-weight:800;line-height:1.08;letter-spacing:-.045em}
.hero h1 span{color:var(--blue)}
.hero-lead{max-width:560px;margin:26px 0 0;color:var(--ink-2);font-size:clamp(15px,1.4vw,18px)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.hero-contacts{display:flex;flex-wrap:wrap;gap:8px 26px;margin-top:30px;padding-top:22px;border-top:1px solid var(--line);color:var(--muted);font-size:13px}
.hero-contacts b{color:var(--ink);font:700 15px/1 var(--mono);margin-left:8px}
.hero-visual{position:relative;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.62fr);grid-template-rows:auto auto;gap:12px}
.hero-visual figure{position:relative;margin:0;overflow:hidden;border-radius:14px;background:var(--steel-1)}
.hero-visual img{width:100%;height:100%;object-fit:cover}
.hero-visual .hv-main{grid-row:1/3;aspect-ratio:3/4.1}
.hero-visual .hv-a{aspect-ratio:1/1.08}
.hero-visual .hv-b{aspect-ratio:1/1.12}
.tag{position:absolute;left:12px;top:12px;padding:5px 10px;border-radius:999px;background:rgba(17,26,35,.72);color:#f2f1ec;font:600 11px/1.2 var(--mono);letter-spacing:.06em;backdrop-filter:blur(6px)}
.tag.is-after{background:var(--blue)}
.hv-caption{position:absolute;left:14px;right:14px;bottom:14px;padding:12px 14px;border-radius:10px;background:rgba(251,250,246,.92);font-size:12px;line-height:1.5;backdrop-filter:blur(8px)}
.hv-caption strong{display:block;font-size:14px}

/* proof band */
.proof{border-block:1px solid var(--line);background:var(--card)}
.proof-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr))}
.proof-grid>div{padding:26px 24px;border-left:1px solid var(--line)}
.proof-grid>div:last-child{border-right:1px solid var(--line)}
.proof-grid strong{display:block;font-size:clamp(22px,2.4vw,30px);font-weight:800;letter-spacing:-.02em;line-height:1.2}
.proof-grid strong small{font-size:.5em;font-weight:700;margin-left:4px;color:var(--muted)}
.proof-grid span{display:block;margin-top:6px;color:var(--muted);font-size:13px}

/* case center */
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px}
.filter{padding:9px 18px;border:1px solid var(--line-2);border-radius:999px;background:transparent;font-size:14px;cursor:pointer;white-space:nowrap;transition:background .2s,color .2s,border-color .2s}
.filter:hover{border-color:var(--ink)}
.filter[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:var(--steel-0)}
.filter b{margin-left:6px;font:600 11px/1 var(--mono);opacity:.6}
.case-mosaic{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));grid-auto-flow:dense;gap:14px}
.case-card{position:relative;display:flex;flex-direction:column;grid-column:span 4;border-radius:16px;background:var(--card);border:1px solid var(--line);overflow:hidden;transition:box-shadow .3s,transform .3s}
.case-card:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.case-card.is-wide{grid-column:span 8}
.case-card.is-tall .case-media{aspect-ratio:4/4.4}
.case-card[hidden]{display:none}
.case-media{position:relative;flex:1 0 auto;aspect-ratio:4/3;overflow:hidden;background:var(--steel-1)}
.case-card.is-wide .case-media{aspect-ratio:16/8.4}
.case-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:opacity .45s,transform .6s}
.case-media .before{opacity:0}
.case-card:hover .case-media .before{opacity:1}
.case-card:hover .case-media img{transform:scale(1.03)}
.case-media .tag{transition:opacity .3s}
.case-media .tag.is-before{opacity:0}
.case-card:hover .tag.is-before{opacity:1}
.case-card:hover .tag.is-after{opacity:0}
.case-thumb{position:absolute;right:12px;bottom:12px;width:76px;aspect-ratio:1;border:2px solid var(--card);border-radius:10px;overflow:hidden;box-shadow:0 6px 18px rgba(0,0,0,.25)}
.case-thumb img{position:static;width:100%;height:100%;object-fit:cover}
.case-body{display:flex;flex-direction:column;gap:6px;padding:18px 20px 20px;flex:1}
.case-no{color:var(--blue);font:600 12px/1 var(--mono);letter-spacing:.1em}
.case-body h3{font-size:clamp(17px,1.6vw,21px);line-height:1.35;letter-spacing:-.01em}
.case-body p{margin:0;color:var(--muted);font-size:13px}
.case-meta{display:flex;flex-wrap:wrap;gap:6px;margin-top:auto;padding-top:12px}
.case-meta span{padding:3px 10px;border-radius:999px;background:var(--blue-t);color:var(--blue-d);font-size:12px}
.case-link:after{content:"";position:absolute;inset:0}
.case-more{margin-top:28px;display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap;color:var(--muted);font-size:13px}
/* sample compare (before/after slider) */
.compare-wrap{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.85fr);gap:clamp(28px,5vw,64px);align-items:center}
.compare{position:relative;aspect-ratio:4/3.2;border-radius:16px;overflow:hidden;background:var(--steel-1);touch-action:pan-y;user-select:none}
.compare img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;pointer-events:none}
.compare .after{clip-path:inset(0 0 0 var(--pos,50%))}
.compare-handle{position:absolute;top:0;bottom:0;left:var(--pos,50%);width:2px;margin-left:-1px;background:#f4f7fb;box-shadow:0 0 0 1px rgba(0,0,0,.15)}
.compare-handle:after{content:"⟷";position:absolute;top:50%;left:50%;display:grid;place-items:center;width:44px;height:44px;margin:-22px 0 0 -22px;border-radius:50%;background:#f4f7fb;color:var(--ink);font-size:18px;box-shadow:0 6px 20px rgba(0,0,0,.25)}
.compare input{position:absolute;inset:0;width:100%;height:100%;margin:0;opacity:0;cursor:ew-resize}
.compare .tag.is-after{left:auto;right:12px}
.steps-mini{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-top:22px}
.steps-mini figure{margin:0}
.steps-mini img{width:100%;aspect-ratio:3/4;object-fit:cover;border-radius:10px}
.steps-mini figcaption{margin-top:8px;font-size:12px;color:var(--muted)}
.steps-mini figcaption b{display:block;color:var(--ink);font:600 11px/1.6 var(--mono)}

/* process */
.process-track{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:0;border-top:1px solid var(--line-2);counter-reset:s}
.process-track li{list-style:none;padding:22px 20px 0 0}
.process-track li+li{padding-left:20px;border-left:1px solid var(--line)}
.process-track b{display:block;color:var(--blue);font:600 12px/1 var(--mono);letter-spacing:.1em}
.process-track strong{display:block;margin:14px 0 8px;font-size:18px}
.process-track p{margin:0;color:var(--muted);font-size:13px}
.node-strip{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.3fr;gap:12px;margin-top:44px}
.node-strip figure{position:relative;margin:0;border-radius:14px;overflow:hidden;height:clamp(180px,20vw,260px);background:var(--steel-1)}
.node-strip img{width:100%;height:100%;object-fit:cover}
.node-strip figcaption{position:absolute;left:10px;bottom:10px;padding:5px 10px;border-radius:8px;background:rgba(251,250,246,.92);font-size:12px}

/* products (dark inversion) */
.product-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.product{display:flex;flex-direction:column;border:1px solid var(--on-night-line);border-radius:16px;overflow:hidden;background:var(--night-2)}
.product figure{margin:0;aspect-ratio:1/1;background:#dfe3e6;overflow:hidden}
.product img{width:100%;height:100%;object-fit:cover}
.product div{padding:22px 22px 24px}
.product h3{font-size:20px}
.product p{margin:10px 0 0;color:var(--on-night-2);font-size:13px}
.product ul{margin:16px 0 0;padding:0;list-style:none;display:grid;gap:8px;font-size:13px}
.product li{padding-left:18px;position:relative;color:var(--on-night)}
.product li:before{content:"";position:absolute;left:0;top:.7em;width:8px;height:1px;background:#7fb1ff}
.product.is-text{justify-content:space-between;background:linear-gradient(160deg,#1b5fc6,#123f86);border-color:transparent}
.product.is-text p{color:rgba(244,247,251,.8)}
.product.is-text .big{font-size:clamp(28px,3vw,40px);font-weight:800;line-height:1.2;letter-spacing:-.03em}

/* about + contact */
.about-grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(32px,6vw,80px);align-items:center}
.about-photo{margin:0;border-radius:16px;overflow:hidden;aspect-ratio:4/4.6}
.about-photo img{width:100%;height:100%;object-fit:cover}
.about-copy>p{color:var(--ink-2)}
.values{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;margin-top:28px;border-top:1px solid var(--line)}
.values div{padding:18px 18px 0 0}
.values div+div{padding-left:18px;border-left:1px solid var(--line)}
.values b{display:block;font-size:18px}
.values span{color:var(--muted);font-size:13px}
.contact{padding:clamp(64px,8vw,104px) 0;background:var(--blue);color:#f4f7fb}
.contact-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.9fr);gap:clamp(32px,6vw,80px);align-items:center}
.contact h2{font-size:clamp(32px,4.6vw,60px);font-weight:800;line-height:1.14;letter-spacing:-.035em}
.contact p{color:rgba(244,247,251,.8)}
.contact-card{padding:28px 30px;border-radius:18px;background:var(--card);color:var(--ink);box-shadow:var(--shadow)}
.contact-card a.tel{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:14px 0;border-bottom:1px solid var(--line)}
.contact-card a.tel span{color:var(--muted);font-size:13px}
.contact-card a.tel strong{font:700 clamp(19px,2.2vw,26px)/1 var(--mono)}
.contact-card dl{margin:18px 0 0}
.contact-card dl div{display:grid;grid-template-columns:72px minmax(0,1fr);gap:8px;padding:6px 0;font-size:13px}
.contact-card dt{color:var(--muted)}
.contact-card dd{margin:0}
/* inquiry form */
.inquiry-grid{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:clamp(32px,6vw,80px);align-items:start}
.inquiry-copy{position:sticky;top:calc(var(--nav-h) + 30px)}
.inquiry-copy ul{margin:24px 0 0;padding:0;list-style:none;display:grid;gap:10px;color:var(--on-night-2);font-size:14px}
.inquiry-copy li:before{content:"✓";margin-right:10px;color:#7fb1ff}
.inquiry-form{padding:clamp(22px,3vw,36px);border-radius:18px;background:var(--card);color:var(--ink)}
.form-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.inquiry-form label{display:flex;flex-wrap:wrap;align-items:baseline;gap:7px 4px;margin-bottom:16px;font-size:13px;font-weight:700;color:var(--ink-2)}
.inquiry-form label>input,.inquiry-form label>select,.inquiry-form label>textarea{flex:1 0 100%}
.inquiry-form label>b,.consent b{color:#b6402f}
.inquiry-form input,.inquiry-form select,.inquiry-form textarea{width:100%;border:1px solid var(--line-2);border-radius:10px;background:#fcfcfa;color:var(--ink);font:inherit;font-size:15px;outline:none;transition:border-color .2s,box-shadow .2s}
.inquiry-form input,.inquiry-form select{height:50px;padding:0 14px}
.inquiry-form textarea{min-height:128px;padding:12px 14px;resize:vertical}
.inquiry-form input:focus,.inquiry-form select:focus,.inquiry-form textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-t)}
.inquiry-form [aria-invalid="true"]{border-color:#b6402f;background:#fff7f5}
.consent{display:grid!important;grid-template-columns:20px minmax(0,1fr)!important;align-items:start!important;font-weight:400!important;color:var(--muted)!important;line-height:1.6}
.consent input{width:17px;height:17px;margin:3px 0 0;accent-color:var(--blue)}
.consent a{color:var(--blue);text-decoration:underline;text-underline-offset:3px}
.honeypot{position:absolute!important;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-message{display:none;margin:12px 0;padding:11px 13px;border-radius:10px;font-size:13px}
.form-message.show{display:block}
.form-message.error{color:#8b2a20;background:#fff0ed}
.form-message.info{color:#17445d;background:#eaf3fb}
.form-message.success{color:#245f31;background:#e8f6e9}
.form-submit{width:100%;margin-top:6px;border:0}
.form-submit:disabled{opacity:.6;cursor:wait}
.form-footnote{margin:12px 0 0;color:var(--muted);font-size:12px;text-align:center}

/* footer */
.site-footer{padding:60px 0 24px;background:#0c141b;color:var(--on-night-2);font-size:13px}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.4fr) repeat(3,minmax(0,1fr));gap:40px}
.footer-grid strong{display:block;margin-bottom:12px;color:var(--on-night);font-size:14px}
.footer-grid a{display:block;padding:3px 0}
.footer-grid a:hover{color:var(--on-night)}
.footer-brand p{max-width:340px}
.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;margin-top:44px;padding-top:18px;border-top:1px solid var(--on-night-line);font-size:12px}
.footer-bottom a{text-decoration:underline;text-underline-offset:3px}

/* floating dock + mobile bar */
.dock{position:fixed;right:18px;bottom:28px;z-index:110;display:grid;gap:8px}
.dock a{display:grid;place-items:center;width:56px;height:56px;border-radius:16px;background:var(--ink);color:#f2f1ec;font-size:11px;font-weight:700;line-height:1.25;text-align:center;box-shadow:var(--shadow);transition:background .2s,transform .2s}
.dock a:hover{background:var(--blue);transform:translateX(-3px)}
.dock a.is-call{background:var(--blue)}
.mobile-bar{display:none}

/* case detail page */
.crumbs{display:flex;flex-wrap:wrap;gap:8px;padding:22px 0 0;color:var(--muted);font-size:13px}
.crumbs a:hover{color:var(--blue)}
.crumbs span:before{content:"/";margin-right:8px;opacity:.5}
.case-hero{padding:28px 0 clamp(40px,5vw,64px)}
.case-hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:clamp(28px,5vw,64px);align-items:end}
.case-hero h1{font-size:clamp(32px,4.8vw,62px);font-weight:800;line-height:1.14;letter-spacing:-.035em}
.case-hero .lead{margin:20px 0 0;color:var(--ink-2);font-size:clamp(15px,1.3vw,17px)}
.facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));margin:0;border-top:1px solid var(--line-2)}
.facts div{padding:14px 14px 14px 0;border-bottom:1px solid var(--line)}
.facts div:nth-child(even){padding-left:14px;border-left:1px solid var(--line)}
.facts dt{color:var(--muted);font-size:12px}
.facts dd{margin:4px 0 0;font-weight:700}
.duo{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.duo figure{position:relative;margin:0;border-radius:16px;overflow:hidden;aspect-ratio:4/4.6;background:var(--steel-1)}
.duo img{width:100%;height:100%;object-fit:cover}
.stage{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:clamp(28px,5vw,64px);padding:clamp(44px,6vw,72px) 0;border-top:1px solid var(--line)}
.stage-no{display:block;margin-bottom:12px;color:var(--blue);font:600 13px/1 var(--mono);letter-spacing:.1em}
.stage h2{margin:0 0 18px;font-size:clamp(24px,2.8vw,36px);font-weight:800;line-height:1.25;letter-spacing:-.02em}
.stage h3{margin:22px 0 10px;font-size:14px;color:var(--ink-2)}
.checks{margin:0;padding:0;list-style:none;display:grid;gap:8px;font-size:14px;color:var(--ink-2)}
.checks li{position:relative;padding-left:22px}
.checks li:before{content:"";position:absolute;left:2px;top:.55em;width:9px;height:5px;border:solid var(--blue);border-width:0 0 2px 2px;transform:rotate(-45deg)}
.photos{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;align-content:start}
.photos.n1{grid-template-columns:minmax(0,1fr)}
.photos.n3>:first-child{grid-column:1/3}
.photo{position:relative;margin:0;padding:0;border:0;border-radius:14px;overflow:hidden;background:var(--steel-1);cursor:zoom-in;aspect-ratio:4/3.4}
.photos.n1 .photo,.photos.n3>:first-child{aspect-ratio:16/10}
.photo img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.photo:hover img{transform:scale(1.03)}
.photo figcaption,.photo .cap{position:absolute;left:10px;bottom:10px;right:10px;width:max-content;max-width:calc(100% - 20px);padding:5px 10px;border-radius:8px;background:rgba(251,250,246,.92);color:var(--ink);font-size:12px;text-align:left}
.accept{padding:clamp(44px,6vw,72px) 0}
.accept-box{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:clamp(28px,5vw,64px);padding:clamp(26px,4vw,44px);border-radius:20px;background:var(--card);border:1px solid var(--line)}
.accept-box .checks{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 24px}
.pager{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;padding-bottom:clamp(56px,7vw,96px)}
.pager a{display:grid;gap:4px;padding:20px 22px;border:1px solid var(--line-2);border-radius:14px;transition:border-color .2s,background .2s}
.pager a:hover{border-color:var(--ink);background:var(--card)}
.pager span{color:var(--muted);font:600 12px/1.4 var(--mono)}
.pager strong{font-size:16px}
.pager .next{text-align:right}
.lightbox{width:min(92vw,1100px);max-height:92vh;padding:0;border:0;border-radius:14px;background:#0c141b;color:#f2f1ec}
.lightbox::backdrop{background:rgba(8,12,16,.82)}
.lightbox img{width:100%;max-height:80vh;object-fit:contain;background:#0c141b}
.lightbox p{margin:0;padding:12px 18px;font-size:13px;display:flex;justify-content:space-between;gap:12px}
.lightbox button{border:0;background:none;color:inherit;cursor:pointer;font-size:13px}
/* responsive */
@media (max-width:1080px){
  .site-nav{gap:18px}
  .case-card{grid-column:span 6}
  .case-card.is-wide{grid-column:span 12}
  .product-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .product.is-text{grid-column:1/-1}
  .process-track{grid-template-columns:repeat(3,minmax(0,1fr));row-gap:28px}
  .process-track li:nth-child(4){padding-left:0;border-left:0}
}
@media (max-width:900px){
  :root{--nav-h:64px}
  .menu-button{display:block}
  .site-nav{position:absolute;top:var(--nav-h);left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:0;margin:0;padding:8px 24px 18px;background:var(--steel-0);border-bottom:1px solid var(--line);box-shadow:0 18px 30px rgba(17,26,35,.08)}
  .site-nav.open{display:flex}
  .site-nav a{padding:13px 0;border-bottom:1px solid var(--line)}
  .site-nav a:after{display:none}
  .nav-call{display:none}
  .hero-grid,.compare-wrap,.about-grid,.contact-grid,.inquiry-grid,.case-hero-grid,.stage,.accept-box,.section-head{grid-template-columns:minmax(0,1fr)}
  .section-head{gap:16px}
  .inquiry-copy{position:static}
  .proof-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .proof-grid>div:nth-child(2){border-right:1px solid var(--line)}
  .proof-grid>div:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .node-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-brand{grid-column:1/-1}
  .dock{display:none}
  .mobile-bar{position:fixed;left:0;right:0;bottom:0;z-index:110;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));padding-bottom:env(safe-area-inset-bottom);background:var(--ink);box-shadow:0 -10px 24px rgba(0,0,0,.15)}
  .mobile-bar a{display:grid;place-items:center;min-height:56px;color:#f2f1ec;font-size:15px;font-weight:700}
  .mobile-bar a:first-child{background:var(--blue)}
  body{padding-bottom:calc(56px + env(safe-area-inset-bottom))}
}
@media (max-width:640px){
  .container{width:min(calc(100% - 32px),var(--max))}
  .brand-text small{display:none}
  .hero-actions .button{flex:1 1 100%}
  .hero-visual{grid-template-columns:minmax(0,1fr) minmax(0,.7fr)}
  .case-card,.case-card.is-wide{grid-column:span 12}
  .case-card.is-wide .case-media{aspect-ratio:4/3}
  .process-track{grid-template-columns:minmax(0,1fr)}
  .process-track li,.process-track li+li{padding:18px 0;border-left:0;border-bottom:1px solid var(--line)}
  .steps-mini{grid-template-columns:repeat(2,minmax(0,1fr))}
  .product-grid,.values,.form-row,.facts,.accept-box .checks,.pager{grid-template-columns:minmax(0,1fr)}
  .values div+div{padding-left:0;border-left:0}
  .facts div:nth-child(even){padding-left:0;border-left:0}
  .pager .next{text-align:left}
  .photos,.photos.n3{grid-template-columns:minmax(0,1fr)}
  .photos.n3>:first-child{grid-column:auto}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js .reveal{opacity:1;transform:none;transition:none}
  *{animation-duration:.01ms!important;transition-duration:.01ms!important}
}
@media (hover:none){
  .case-media .before,.case-card:hover .case-media .before{opacity:0}
  .case-card:hover .tag.is-after{opacity:1}
  .case-card:hover .tag.is-before{opacity:0}
}