/* Ehnos Alpha — shared design system.
   Layout: signal-chain pages; dark-first single look; amber = measured signal, cyan = reference. */
:root{
  color-scheme: dark;
  --ink:#0A0E16;
  --ink-2:#0D121C;
  --panel:#111827;
  --line:#222C3D;
  --fg:#E9EDF4;
  --muted:#8C97AB;
  --signal:#FFAA45;
  --cool:#5CC8E8;
  --ok:#5DD39E;
  --display:"Unbounded","Arial Black",system-ui,sans-serif;
  --body:"Instrument Sans","Segoe UI",system-ui,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,"SFMono-Regular",Menlo,monospace;
  --ease:cubic-bezier(.2,.7,.2,1);
}
@view-transition{navigation:auto}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--ink);color:var(--fg);font:400 16px/1.6 var(--body);-webkit-font-smoothing:antialiased;overflow-x:hidden}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:30;background:var(--ink)}
a{color:inherit}
img{max-width:100%;display:block}
::selection{background:var(--signal);color:var(--ink)}
:focus-visible{outline:2px solid var(--signal);outline-offset:3px;border-radius:4px}
.wrap{max-width:1200px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.label{font:500 12px/1.2 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
h1,h2,h3{font-family:var(--display);text-wrap:balance;margin:0}
p{text-wrap:pretty}

/* Header */
.site-header{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:color-mix(in srgb,var(--ink) 82%,transparent);backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);border-bottom:1px solid var(--line);view-transition-name:header}
.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-block:14px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font:600 15px/1 var(--display);letter-spacing:.12em;white-space:nowrap}
.brand img{height:28px;width:auto}
.menu{display:flex;gap:4px;list-style:none;margin:0;padding:0}
.menu a{display:block;text-decoration:none;color:var(--muted);font-weight:500;font-size:15px;padding:8px 12px;border-radius:999px;transition:color .2s,background .2s}
.menu a:hover{color:var(--fg)}
.menu a[aria-current="page"]{color:var(--fg);background:var(--panel)}
.nav-cta{display:flex;align-items:center;gap:8px}
.burger{display:none;background:transparent;border:1px solid var(--line);color:var(--fg);border-radius:999px;padding:9px 12px;font:500 13px/1 var(--mono);cursor:pointer}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 20px;border-radius:999px;background:var(--signal);color:var(--ink);font:600 15px/1 var(--body);text-decoration:none;border:0;cursor:pointer;transition:transform .2s var(--ease),box-shadow .2s;white-space:nowrap}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 30px -10px color-mix(in srgb,var(--signal) 70%,transparent)}
.btn.cool{background:var(--cool)}
.btn.cool:hover{box-shadow:0 10px 30px -10px color-mix(in srgb,var(--cool) 70%,transparent)}
.btn.ghost{background:transparent;color:var(--fg);border:1px solid var(--line)}
.btn.ghost:hover{border-color:var(--muted);box-shadow:none}
.btn.sm{padding:10px 14px;font-size:14px}
.link-arrow{color:var(--signal);text-decoration:none;font:500 14px/1 var(--mono);letter-spacing:.04em}
.link-arrow:hover{text-decoration:underline}

/* Hero (home): interactive wavefield */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
#field{position:absolute;inset:0;width:100%;height:100%;display:block;cursor:crosshair}
.hero::after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(90deg,var(--ink) 0%,color-mix(in srgb,var(--ink) 75%,transparent) 38%,transparent 70%),linear-gradient(0deg,var(--ink) 0%,transparent 30%)}
.hero-inner{position:relative;z-index:1;padding-block:clamp(72px,11vw,140px) 40px;pointer-events:none}
.hero-inner a,.hero-inner button{pointer-events:auto}
.hero h1{font-size:clamp(36px,6.4vw,84px);font-weight:800;line-height:.98;letter-spacing:-.025em;max-width:13ch;margin-top:20px}
.hero h1 em{font-style:normal;color:var(--signal)}
.hero .lede{color:var(--muted);font-size:clamp(16px,1.6vw,19px);max-width:50ch;margin:26px 0 34px}
.actions{display:flex;gap:12px;flex-wrap:wrap}
.instrument{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:10px 28px;align-items:center;padding-block:18px 26px;font:400 13px/1.4 var(--mono);color:var(--muted)}
.instrument b{color:var(--fg);font-weight:500;font-variant-numeric:tabular-nums}
.chips{display:flex;gap:6px}
.chips button{font:500 12px/1 var(--mono);color:var(--muted);background:color-mix(in srgb,var(--panel) 80%,transparent);border:1px solid var(--line);border-radius:999px;padding:8px 11px;cursor:pointer}
.chips button[aria-pressed="true"]{color:var(--ink);background:var(--cool);border-color:var(--cool)}

/* Page hero (inner pages) */
.page-hero{border-bottom:1px solid var(--line);background:radial-gradient(120% 140% at 100% 0%,color-mix(in srgb,var(--cool) 10%,transparent),transparent 55%),var(--ink)}
.page-hero .wrap{padding-block:clamp(56px,8vw,104px) clamp(40px,5vw,64px)}
.page-hero h1{font-size:clamp(34px,5.6vw,68px);font-weight:800;line-height:1;letter-spacing:-.02em;max-width:16ch;margin-top:18px}
.page-hero p{color:var(--muted);font-size:18px;max-width:58ch;margin:22px 0 0}
.crumbs{font:400 13px/1 var(--mono);color:var(--muted)}
.crumbs a{text-decoration:none}
.crumbs a:hover{color:var(--fg)}

/* Show band */
.showband{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.showband img{width:100%;height:clamp(300px,54vw,640px);object-fit:cover;object-position:center 45%;transform:scale(1.08);will-change:transform}
.showband::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,var(--ink) 100%)}
.showband .cap{position:absolute;left:0;right:0;bottom:0;z-index:1;padding-block:30px}
.showband .cap p{margin:0;font:600 clamp(20px,2.8vw,34px)/1.2 var(--display);max-width:28ch}
.showband .cap .label{display:block;margin-top:12px}

/* Marquee */
.marquee{border-bottom:1px solid var(--line);overflow:hidden;background:var(--ink-2)}
.marquee .track{display:flex;gap:48px;width:max-content;padding-block:18px;animation:scroll 40s linear infinite;font:400 14px/1 var(--mono);color:var(--muted)}
.marquee .track span{display:flex;align-items:center;gap:48px;white-space:nowrap}
.marquee .track span::after{content:"";width:6px;height:6px;border-radius:50%;background:var(--signal)}
.marquee:hover .track{animation-play-state:paused}
@keyframes scroll{to{transform:translateX(-50%)}}

/* Sections */
.block{padding-block:clamp(72px,9vw,112px)}
.block.tight{padding-top:0}
.band{background:var(--panel);border-block:1px solid var(--line)}
.sec-head{display:grid;grid-template-columns:1fr 1.25fr;gap:32px;align-items:end;margin-bottom:48px}
.sec-head h2{font-size:clamp(28px,3.8vw,48px);font-weight:600;line-height:1.06;letter-spacing:-.015em;margin-top:14px}
.sec-head p{color:var(--muted);max-width:56ch;margin:0}
.sec-head .more{margin-top:16px;display:inline-block}

/* Service tiles (home) */
.tiles{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.tile{grid-column:span 2;position:relative;display:flex;flex-direction:column;gap:12px;padding:26px;border:1px solid var(--line);border-radius:14px;background:var(--ink);text-decoration:none;min-width:0;overflow:hidden;transition:border-color .25s,transform .25s var(--ease)}
.tile:nth-child(1){grid-column:span 4;grid-row:span 2;padding:0}
.tile:nth-child(2){grid-column:span 2}
.tile:hover{border-color:color-mix(in srgb,var(--signal) 55%,var(--line));transform:translateY(-3px)}
.tile .tag{font:500 12px/1 var(--mono);color:var(--signal);letter-spacing:.1em}
.tile h3{font-size:20px;font-weight:600;line-height:1.2}
.tile p{margin:0;color:var(--muted);font-size:15px}
.tile .go{margin-top:auto;font:500 13px/1 var(--mono);color:var(--fg)}
.tile.feature img{width:100%;height:100%;min-height:340px;object-fit:cover;position:absolute;inset:0;transition:transform .6s var(--ease)}
.tile.feature:hover img{transform:scale(1.04)}
.tile.feature .over{position:relative;margin-top:auto;padding:28px;display:flex;flex-direction:column;gap:12px;background:linear-gradient(0deg,var(--ink) 20%,transparent);min-height:100%;justify-content:flex-end}
.tile.feature h3{font-size:clamp(22px,2.4vw,30px)}

/* Software teaser / product cards */
.apps{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.app{position:relative;border:1px solid var(--line);border-radius:16px;overflow:hidden;background:var(--panel);display:flex;flex-direction:column;min-width:0}
.app .bar{display:flex;align-items:center;gap:8px;padding:12px 16px;border-bottom:1px solid var(--line);font:500 12px/1 var(--mono);color:var(--muted)}
.app .bar i{width:9px;height:9px;border-radius:50%;background:var(--line);display:inline-block}
.app .bar b{margin-left:auto;font-weight:500;color:var(--signal)}
.app.dsp .bar b{color:var(--cool)}
.app .screen{aspect-ratio:16/9;background:var(--ink);border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.app .screen img,.app .screen canvas{width:100%;height:100%;object-fit:cover;display:block}
.app .body{padding:28px;display:flex;flex-direction:column;gap:14px;flex:1}
.app h3{font-size:clamp(24px,2.6vw,32px);font-weight:800;letter-spacing:-.01em}
.app h3 span{color:var(--signal)}
.app.dsp h3 span{color:var(--cool)}
.app p{margin:0;color:var(--muted)}
.ticks{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:8px}
.ticks li{display:flex;gap:10px;font-size:15px}
.ticks li::before{content:"";flex:none;width:8px;height:8px;margin-top:8px;border-radius:2px;background:var(--signal)}
.dsp .ticks li::before,.ticks.cool li::before{background:var(--cool)}
.ver{font:400 12px/1.4 var(--mono);color:var(--muted)}
.ver b{color:var(--ok);font-weight:500}

/* Process chain */
.chain{display:grid;grid-template-columns:repeat(5,1fr);position:relative}
.chain::before{content:"";position:absolute;left:0;right:0;top:22px;height:2px;background:linear-gradient(90deg,var(--cool),var(--signal));transform-origin:left;transform:scaleX(var(--draw,1));transition:transform 1.2s var(--ease)}
.stage{position:relative;padding-right:20px;min-width:0}
.node{width:46px;height:46px;border-radius:50%;background:var(--ink);border:2px solid var(--signal);display:grid;place-items:center;font:500 13px/1 var(--mono);color:var(--signal);position:relative}
.stage:first-child .node{border-color:var(--cool);color:var(--cool)}
.stage h3{font-size:17px;font-weight:600;margin:22px 0 8px}
.stage p{margin:0;color:var(--muted);font-size:15px}

/* Gallery */
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px}
.filters button{font:500 13px/1 var(--mono);color:var(--muted);background:transparent;border:1px solid var(--line);border-radius:999px;padding:10px 14px;cursor:pointer}
.filters button[aria-pressed="true"]{background:var(--fg);color:var(--ink);border-color:var(--fg)}
.gallery{columns:3 280px;column-gap:16px}
.shot{break-inside:avoid;margin:0 0 16px;position:relative;border-radius:12px;overflow:hidden;background:var(--ink);cursor:zoom-in;border:1px solid var(--line)}
.shot img{width:100%;height:auto;transition:transform .5s var(--ease)}
.shot:hover img{transform:scale(1.035)}
.shot figcaption{display:flex;justify-content:space-between;gap:12px;padding:12px 14px;font:400 13px/1.35 var(--body)}
.shot figcaption span{font:500 11px/1.35 var(--mono);color:var(--signal);letter-spacing:.08em;text-transform:uppercase;white-space:nowrap}
.strip-gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.strip-gallery a{display:block;border-radius:12px;overflow:hidden;border:1px solid var(--line);aspect-ratio:4/5}
.strip-gallery a:nth-child(odd){aspect-ratio:4/5;transform:translateY(24px)}
.strip-gallery img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.strip-gallery a:hover img{transform:scale(1.05)}

/* Lightbox */
.lb{position:fixed;inset:0;z-index:40;background:color-mix(in srgb,var(--ink) 95%,transparent);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;padding:calc(60px + env(safe-area-inset-top,0px)) max(16px,env(safe-area-inset-right,0px)) calc(24px + env(safe-area-inset-bottom,0px)) max(16px,env(safe-area-inset-left,0px))}
.lb img{max-height:78vh;max-width:100%;width:auto;border-radius:8px}
.lb p{margin:0;font:400 15px/1.4 var(--body);text-align:center}
.lb .ctl{position:absolute;top:calc(12px + env(safe-area-inset-top,0px));right:max(12px,env(safe-area-inset-right,0px));display:flex;gap:8px}
.lb button{font:500 14px/1 var(--mono);color:var(--fg);background:var(--panel);border:1px solid var(--line);border-radius:999px;padding:10px 14px;cursor:pointer}

/* Services page */
.svc-row{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,64px);align-items:center;padding-block:clamp(48px,6vw,80px);border-top:1px solid var(--line);scroll-margin-top:80px}
.svc-row:nth-of-type(even) .media{order:-1}
.svc-row .media{border-radius:14px;overflow:hidden;border:1px solid var(--line);aspect-ratio:4/3;background:var(--panel)}
.svc-row .media img{width:100%;height:100%;object-fit:cover}
.svc-row .txt{display:flex;flex-direction:column;gap:16px;min-width:0}
.svc-row .tag{font:500 12px/1 var(--mono);color:var(--signal);letter-spacing:.1em}
.svc-row h2{font-size:clamp(26px,3.2vw,40px);font-weight:600;line-height:1.1}
.svc-row p{margin:0;color:var(--muted);max-width:56ch}
.pills{margin:0;padding:0;list-style:none;display:flex;flex-wrap:wrap;gap:8px}
.pills li{font:400 12px/1 var(--mono);border:1px solid var(--line);border-radius:999px;padding:8px 12px}
.subnav{position:sticky;top:calc(57px + env(safe-area-inset-top,0px));z-index:10;background:color-mix(in srgb,var(--ink) 90%,transparent);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.subnav .wrap{display:flex;gap:6px;overflow-x:auto;padding-block:10px;scrollbar-width:none}
.subnav a{flex:none;text-decoration:none;font:500 13px/1 var(--mono);color:var(--muted);padding:9px 12px;border-radius:999px;border:1px solid transparent}
.subnav a:hover,.subnav a.on{color:var(--fg);border-color:var(--line);background:var(--panel)}

/* Software portal */
.product{padding-block:clamp(56px,7vw,96px);border-top:1px solid var(--line);scroll-margin-top:80px}
.product-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(28px,4vw,56px);align-items:start}
.product h2{font-size:clamp(32px,4.4vw,56px);font-weight:800;letter-spacing:-.02em;line-height:1}
.product h2 span{color:var(--signal)}
.product.dsp h2 span{color:var(--cool)}
.product .intro{color:var(--muted);font-size:18px;max-width:52ch;margin:18px 0 24px}
.feat{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:12px;overflow:hidden;margin-top:28px}
.feat div{background:var(--ink);padding:20px;min-width:0}
.feat h3{font:600 15px/1.3 var(--body);margin-bottom:6px}
.feat p{margin:0;color:var(--muted);font-size:14px}
.dlbox{border:1px solid var(--line);border-radius:16px;background:var(--panel);overflow:hidden;position:sticky;top:96px}
.dlbox .screen{aspect-ratio:16/10;border-bottom:1px solid var(--line);background:var(--ink)}
.dlbox .screen img,.dlbox .screen canvas{width:100%;height:100%;object-fit:cover;display:block}
.dlbox .in{padding:24px;display:flex;flex-direction:column;gap:14px}
.dlbox .primary{width:100%}
.os-row{display:flex;gap:8px;flex-wrap:wrap}
.os-row a{flex:1 1 120px;text-align:center;text-decoration:none;font:500 13px/1 var(--mono);color:var(--muted);border:1px solid var(--line);border-radius:10px;padding:11px 10px}
.os-row a:hover{color:var(--fg);border-color:var(--muted)}
.meta{display:grid;grid-template-columns:auto 1fr;gap:6px 14px;font:400 13px/1.4 var(--mono);color:var(--muted);margin:0}
.meta dt{color:var(--muted)}
.meta dd{margin:0;color:var(--fg);min-width:0;overflow-wrap:anywhere;font-variant-numeric:tabular-nums}
.badge{display:inline-flex;align-items:center;gap:6px;font:500 11px/1 var(--mono);letter-spacing:.08em;text-transform:uppercase;padding:6px 9px;border-radius:999px;border:1px solid var(--line);color:var(--muted)}
.badge.stable{color:var(--ok);border-color:color-mix(in srgb,var(--ok) 45%,var(--line))}
.badge.beta{color:var(--signal);border-color:color-mix(in srgb,var(--signal) 45%,var(--line))}
.badge.must{color:#FF7A7A;border-color:color-mix(in srgb,#FF7A7A 45%,var(--line))}
.releases{margin-top:40px}
.releases h3{font:600 18px/1.2 var(--display);margin-bottom:16px}
.rel{border:1px solid var(--line);border-radius:12px;margin-bottom:10px;background:var(--ink)}
.rel summary{list-style:none;cursor:pointer;display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;padding:16px 18px}
.rel summary::-webkit-details-marker{display:none}
.rel summary .v{font:600 16px/1 var(--mono)}
.rel summary .d{font:400 13px/1 var(--mono);color:var(--muted);margin-left:auto}
.rel summary::after{content:"+";font:500 18px/1 var(--mono);color:var(--muted)}
.rel[open] summary::after{content:"−"}
.rel .rb{padding:0 18px 18px;display:flex;flex-direction:column;gap:12px}
.rel ul{margin:0;padding-left:18px;color:var(--fg)}
.rel .files{display:flex;flex-direction:column;gap:6px;font:400 12px/1.4 var(--mono);color:var(--muted)}
.rel .files a{color:var(--fg)}
.rel .files code{overflow-wrap:anywhere}
.update-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.update-flow div{border:1px solid var(--line);border-radius:12px;padding:20px;background:var(--ink);min-width:0}
.update-flow b{display:block;font:500 12px/1 var(--mono);color:var(--cool);letter-spacing:.1em;margin-bottom:12px}
.update-flow h3{font:600 16px/1.3 var(--body);margin-bottom:6px}
.update-flow p{margin:0;color:var(--muted);font-size:14px}
.portal{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,4vw,56px);align-items:start}
.card{border:1px solid var(--line);border-radius:16px;background:var(--panel);padding:28px;display:flex;flex-direction:column;gap:16px;min-width:0}

/* Forms */
form.grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;min-width:0}
.f{display:flex;flex-direction:column;gap:8px;min-width:0}
.f.full{grid-column:1/-1}
.f label{font:500 12px/1 var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
input,select,textarea{width:100%;font:400 16px/1.4 var(--body);color:var(--fg);background:var(--ink);border:1px solid var(--line);border-radius:10px;padding:13px 14px}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--signal)}
textarea{min-height:140px;resize:vertical}
.note{grid-column:1/-1;font:400 14px/1.45 var(--mono);margin:0}
.note.ok{color:var(--cool)}
.note.err{color:var(--signal)}

/* Contact page */
.contact-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:clamp(32px,5vw,72px)}
.direct{display:flex;flex-direction:column;gap:20px;font:400 15px/1.5 var(--mono)}
.direct .label{display:block;margin-bottom:6px}
.direct a{text-decoration:none}
.direct a:hover{color:var(--signal)}
.copy{margin-left:8px;font:500 11px/1 var(--mono);color:var(--muted);background:transparent;border:1px solid var(--line);border-radius:999px;padding:5px 8px;cursor:pointer;vertical-align:middle}

/* CTA band */
.cta{position:relative;overflow:hidden;border-top:1px solid var(--line);background:radial-gradient(80% 120% at 0% 100%,color-mix(in srgb,var(--signal) 14%,transparent),transparent 60%),var(--ink-2)}
.cta .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;padding-block:clamp(56px,7vw,88px)}
.cta h2{font-size:clamp(28px,4vw,52px);font-weight:800;line-height:1.02;letter-spacing:-.02em;max-width:18ch}

/* Footer */
.site-footer{border-top:1px solid var(--line);background:var(--ink)}
.foot{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:32px;padding-block:56px 28px}
.foot h4{margin:0 0 14px;font:500 12px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.foot ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:9px}
.foot a{text-decoration:none;color:var(--fg);font-size:15px}
.foot a:hover{color:var(--signal)}
.foot .about{color:var(--muted);font-size:15px;max-width:34ch;margin:16px 0 0}
.foot .logo{width:120px;height:auto}
.legal{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;padding-block:20px 28px;border-top:1px solid var(--line);color:var(--muted);font:400 13px/1.4 var(--mono)}

/* Motion: reveal from a visible resting state */
.js .rise{transform:translateY(18px);transition:transform .9s var(--ease)}
.js .rise.in{transform:none}

/* Responsive */
@media (max-width:980px){
  .menu{display:none}
  .burger{display:inline-flex}
  .menu.open{display:flex;position:absolute;left:0;right:0;top:100%;flex-direction:column;gap:2px;padding:10px max(16px,env(safe-area-inset-left,0px)) 16px;background:var(--ink);border-bottom:1px solid var(--line)}
  .menu.open a{padding:12px}
  .sec-head,.svc-row,.product-grid,.portal,.contact-grid{grid-template-columns:1fr}
  .svc-row:nth-of-type(even) .media{order:0}
  .tiles{grid-template-columns:repeat(2,1fr)}
  .tile,.tile:nth-child(2){grid-column:span 1}
  .tile:nth-child(1){grid-column:1/-1;grid-row:auto}
  .apps{grid-template-columns:1fr}
  .chain{grid-template-columns:1fr;gap:28px}
  .chain::before{left:22px;right:auto;top:0;bottom:0;width:2px;height:auto;background:linear-gradient(180deg,var(--cool),var(--signal));transform:scaleY(var(--draw,1));transform-origin:top}
  .stage{display:grid;grid-template-columns:46px 1fr;gap:0 18px;padding:0}
  .stage h3{margin:10px 0 6px}
  .stage p{grid-column:2}
  .update-flow{grid-template-columns:repeat(2,1fr)}
  .foot{grid-template-columns:1fr 1fr}
  .foot .brandcol{grid-column:1/-1}
  .dlbox{position:static}
  .strip-gallery{grid-template-columns:repeat(2,1fr)}
  .hero::after{background:linear-gradient(0deg,var(--ink) 0%,color-mix(in srgb,var(--ink) 70%,transparent) 55%,color-mix(in srgb,var(--ink) 35%,transparent) 100%)}
}
@media (max-width:560px){
  .tiles,.feat,.update-flow,form.grid{grid-template-columns:1fr}
  .nav-cta .btn{display:none}
  .brand span{font-size:13px}
  .tile.feature img{min-height:300px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none!important;animation:none!important}
  .js .rise{transform:none}
  .showband img{transform:none}
}