/* Layout concept: a "build sheet" — light paper ground, stacked software layers as the recurring motif,
   each section reveals one more layer of the product being assembled. Light is the default; dark is opt-in and soft. */
:root{
  --bg:#F4F5F0;           /* soft paper, faint sage bias */
  --bg-2:#ECEEE7;
  --surface:#FFFFFF;
  --ink:#14161B;
  --ink-2:#51565F;
  --ink-3:#6B707A; --danger:#C42A4A;
  --line:#DADDD3;
  --accent:#2F45FF;       /* cobalt — the one bold colour */
  --accent-2:#1E2FD6;
  --accent-soft:#E2E6FF;
  --on-accent:#FFFFFF;
  --sun:#FFB13B;          /* illustration-only highlights */
  --mint:#22B98A;
  --rose:#FF6F8E;
  --shadow:0 1px 2px rgba(20,22,27,.06),0 12px 32px -12px rgba(20,22,27,.18);
  --f-display:"Funnel Display",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-body:"Funnel Sans",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-mono:"Spline Sans Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --gutter:clamp(16px,4vw,44px);
  --maxw:1240px;
  --r:14px;
  --device:#16181D;
  color-scheme:light;
}
/* Dark is opt-in only (toggle), so light stays the default even on dark-mode machines. Softer charcoal, not black. */
:root[data-theme="dark"]{
  --bg:#1B1D22; --bg-2:#22252B; --surface:#272A31; --ink:#EDEEF0; --ink-2:#AEB2BA; --ink-3:#8C919B; --danger:#FF8AA4;
  --line:#383C45; --accent:#7D8CFF; --accent-2:#9AA6FF; --accent-soft:#2C3160; --on-accent:#0F1120;
  --sun:#FFC062; --mint:#3FD3A4; --rose:#FF8AA4; --device:#0D0E11;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 16px 40px -16px rgba(0,0,0,.6);
  color-scheme:dark;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:auto}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden;transition:background .4s,color .4s}
a{color:inherit}
::selection{background:var(--accent);color:var(--on-accent)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
h1,h2,h3,h4{font-family:var(--f-display);font-weight:800;letter-spacing:-.025em;line-height:1.02;margin:0;text-wrap:balance}
p{margin:0;text-wrap:pretty}
.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter)}
.eyebrow{font-family:var(--f-mono);font-size:12.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-2);display:inline-flex;align-items:center;gap:10px}
.eyebrow::before{content:"";width:22px;height:1.5px;background:var(--accent)}
.lede{font-size:clamp(18px,1.6vw,21px);color:var(--ink-2);max-width:60ch}
.h-xl{font-size:clamp(46px,7.4vw,104px);font-weight:800;letter-spacing:-.04em;line-height:.95}
.h-l{font-size:clamp(36px,5vw,68px);letter-spacing:-.035em}
.h-m{font-size:clamp(26px,3vw,40px)}
.h-s{font-size:22px;letter-spacing:-.015em}
.mono{font-family:var(--f-mono);font-size:13px}
.accent{color:var(--accent)}
section{position:relative}
.sec{padding-block:clamp(52px,6.5vw,92px)}
.sec-head{display:grid;gap:18px;margin-bottom:clamp(30px,4vw,52px);max-width:820px}

/* Buttons */
.btn{--bh:52px;display:inline-flex;align-items:center;gap:10px;height:var(--bh);padding:0 24px;border-radius:999px;font:600 16px/1 var(--f-body);text-decoration:none;border:1.5px solid transparent;cursor:pointer;transition:transform .25s cubic-bezier(.2,.8,.2,1),background .25s,color .25s,border-color .25s;will-change:transform}
.btn-primary{background:var(--accent);color:var(--on-accent)}
.btn-primary:hover{background:var(--accent-2)}
.btn-ghost{border-color:var(--line);color:var(--ink);background:var(--surface)}
.btn-ghost:hover{border-color:var(--ink)}
.btn .arr{transition:transform .25s}
.btn:hover .arr{transform:translateX(4px)}
.chip{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:999px;background:var(--surface);border:1px solid var(--line);font:500 13px/1.2 var(--f-mono);color:var(--ink-2);white-space:nowrap}
.dot{width:8px;height:8px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 4px color-mix(in srgb,var(--mint) 22%,transparent)}

/* Progress + nav */
.progress{position:fixed;top:0;left:0;height:3px;width:100%;transform-origin:0 50%;transform:scaleX(0);background:var(--accent);z-index:60}
.nav{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;padding-block:14px;transition:background .3s,box-shadow .3s,backdrop-filter .3s}
.nav.scrolled{background:color-mix(in srgb,var(--bg) 82%,transparent);backdrop-filter:blur(14px) saturate(1.4);-webkit-backdrop-filter:blur(14px) saturate(1.4);box-shadow:0 1px 0 var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;gap:20px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;font:800 19px/1 var(--f-display);letter-spacing:-.03em}
.logo svg{width:30px;height:30px}
.nav-links{display:flex;gap:4px;align-items:center}
.nav-links a{padding:9px 14px;border-radius:999px;text-decoration:none;font-weight:500;font-size:15px;color:var(--ink-2);transition:color .2s,background .2s}
.nav-links a:hover{color:var(--ink)}
.nav-links a.active{color:var(--ink);background:var(--surface);box-shadow:var(--shadow)}
.nav-right{display:flex;align-items:center;gap:10px}
.icon-btn{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:var(--surface);border:1px solid var(--line);color:var(--ink);cursor:pointer}
.icon-btn svg{width:18px;height:18px}
.nav .btn{--bh:42px;padding:0 18px;font-size:15px}
.menu-btn{display:none}
.mobile-menu{display:none}
@media (max-width:880px){
  .nav-links,.nav .btn{display:none}
  .menu-btn{display:grid}
  .mobile-menu{display:grid;position:fixed;inset:0;z-index:55;background:var(--bg);padding:96px var(--gutter) 40px;align-content:start;gap:6px;transform:translateY(-100%);transition:transform .5s cubic-bezier(.7,0,.2,1)}
  .mobile-menu.open{transform:none}
  .mobile-menu a{font:700 40px/1.15 var(--f-display);letter-spacing:-.03em;text-decoration:none;padding-block:6px;border-bottom:1px solid var(--line)}
  .mobile-menu .btn{margin-top:24px;justify-self:start;font-size:16px}
}

/* Pages */
.page{display:block}
.page[hidden]{display:none!important}

/* ===== HERO ===== */
.hero{padding-block:clamp(28px,4.5vw,64px) clamp(44px,5.5vw,76px)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.08fr);gap:clamp(32px,5vw,72px);align-items:center}
.hero-copy{display:grid;gap:28px;min-width:0}
.hero .h-xl{font-size:clamp(44px,5.2vw,80px)}
.hero h1 .line{display:block;overflow:hidden;padding-bottom:.06em}
.hero h1 .line>span{display:inline-block}
.hero h1 em{font-style:normal;color:var(--accent);position:relative}
.hero-ctas{display:flex;flex-wrap:wrap;gap:12px}
.hero-meta{display:flex;flex-wrap:wrap;gap:8px}
@media (max-width:960px){.hero-grid{grid-template-columns:1fr}}

/* Build-loop "video" stage */
.stage{position:relative;aspect-ratio:1.12/1;max-width:100%;min-width:0}
.stage-bg{position:absolute;inset:6% 0 0 8%;border-radius:28px;background:
  radial-gradient(circle at 1px 1px,color-mix(in srgb,var(--ink) 14%,transparent) 1px,transparent 1.5px) 0 0/22px 22px,var(--bg-2);border:1px solid var(--line)}
.browser{position:absolute;left:0;top:0;width:84%;aspect-ratio:1.42/1;background:var(--surface);border-radius:16px;box-shadow:var(--shadow);border:1px solid var(--line);overflow:hidden;display:flex;flex-direction:column}
.b-bar{height:34px;display:flex;align-items:center;gap:6px;padding:0 12px;border-bottom:1px solid var(--line);flex:none}
.b-bar i{width:10px;height:10px;border-radius:50%;background:var(--line)}
.b-url{margin-left:10px;flex:1;height:20px;border-radius:6px;background:var(--bg-2);font:500 10.5px/20px var(--f-mono);color:var(--ink-3);padding:0 10px;overflow:hidden;white-space:nowrap}
.b-body{position:relative;flex:1;padding:4.5% 5%;display:grid;grid-template-rows:auto auto 1fr;gap:6%}
.ui-nav{display:flex;justify-content:space-between;align-items:center}
.ui-nav .blk{height:9px;width:22%;border-radius:4px}
.ui-nav .row{display:flex;gap:6px}
.ui-nav .row .blk{width:28px;height:7px}
.ui-hero{display:grid;grid-template-columns:1.1fr 1fr;gap:6%;align-items:center}
.ui-hero .t1{height:14px;width:92%;border-radius:4px;margin-bottom:6px}
.ui-hero .t2{height:14px;width:70%;border-radius:4px;margin-bottom:10px}
.ui-hero .t3{height:6px;width:86%;border-radius:3px;margin-bottom:5px}
.ui-hero .t4{height:6px;width:64%;border-radius:3px;margin-bottom:12px}
.ui-hero .cta{height:18px;width:44%;border-radius:999px}
.ui-hero .img{aspect-ratio:1.3/1;border-radius:10px;position:relative;overflow:hidden}
.ui-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:5%;align-items:end}
.ui-cards .c{border-radius:8px;height:100%;min-height:40px;position:relative;overflow:hidden}
.blk,.t1,.t2,.t3,.t4,.cta,.img,.c{background:var(--bg-2);transition:background .6s,outline-color .6s,border-radius .6s}
/* wireframe phase */
.stage[data-phase="wire"] .b-body *:is(.blk,.t1,.t2,.t3,.t4,.cta,.img,.c){background:transparent;outline:1.5px dashed var(--ink-3);outline-offset:-1.5px}
.stage[data-phase="wire"] .ui-hero .img::after{content:"";position:absolute;inset:0;background:linear-gradient(to top right,transparent calc(50% - 1px),var(--ink-3) 50%,transparent calc(50% + 1px)),linear-gradient(to top left,transparent calc(50% - 1px),var(--ink-3) 50%,transparent calc(50% + 1px))}
/* design phase */
.stage:is([data-phase="design"],[data-phase="build"],[data-phase="live"]) .ui-hero .t1,
.stage:is([data-phase="design"],[data-phase="build"],[data-phase="live"]) .ui-hero .t2{background:var(--ink)}
.stage:is([data-phase="design"],[data-phase="build"],[data-phase="live"]) .ui-hero .cta{background:var(--accent)}
.stage:is([data-phase="design"],[data-phase="build"],[data-phase="live"]) .ui-nav .blk:first-child{background:var(--ink)}
.stage:is([data-phase="design"],[data-phase="build"],[data-phase="live"]) .ui-hero .img{background:linear-gradient(135deg,var(--accent-soft),color-mix(in srgb,var(--sun) 45%,var(--surface)))}
.stage:is([data-phase="design"],[data-phase="build"],[data-phase="live"]) .ui-cards .c:nth-child(1){background:color-mix(in srgb,var(--mint) 22%,var(--surface))}
.stage:is([data-phase="design"],[data-phase="build"],[data-phase="live"]) .ui-cards .c:nth-child(2){background:var(--accent-soft)}
.stage:is([data-phase="design"],[data-phase="build"],[data-phase="live"]) .ui-cards .c:nth-child(3){background:color-mix(in srgb,var(--rose) 20%,var(--surface))}
/* hero image art */
.img-art{position:absolute;inset:0;opacity:0;transition:opacity .6s}
.stage:is([data-phase="design"],[data-phase="build"],[data-phase="live"]) .img-art{opacity:1}
.img-art .sun{position:absolute;width:30%;aspect-ratio:1;border-radius:50%;background:var(--sun);right:16%;top:16%}
.img-art .hill{position:absolute;bottom:-30%;left:-10%;width:80%;aspect-ratio:1;border-radius:50%;background:var(--accent)}
.img-art .hill2{position:absolute;bottom:-46%;right:-20%;width:80%;aspect-ratio:1;border-radius:50%;background:color-mix(in srgb,var(--accent) 55%,var(--surface))}
/* bars in card (build/live) */
.bars{position:absolute;inset:auto 10% 12% 10%;height:55%;display:flex;align-items:flex-end;gap:10%}
.bars span{flex:1;background:var(--accent);border-radius:3px 3px 0 0;height:0;transition:height .9s cubic-bezier(.2,.8,.2,1)}
.stage:is([data-phase="build"],[data-phase="live"]) .bars span{height:var(--h)}
.ring{position:absolute;inset:16% 30%;border-radius:50%;background:conic-gradient(var(--mint) calc(var(--p,0)*1%),transparent 0);transition:--p 1s;mask:radial-gradient(circle,transparent 52%,#000 53%);-webkit-mask:radial-gradient(circle,transparent 52%,#000 53%)}
@property --p{syntax:'<number>';inherits:false;initial-value:0}
.stage:is([data-phase="build"],[data-phase="live"]) .ring{--p:72}
.spark{position:absolute;inset:30% 10% 20%;}
.spark path{fill:none;stroke:var(--rose);stroke-width:2.5;stroke-linecap:round;stroke-dasharray:120;stroke-dashoffset:120;transition:stroke-dashoffset 1.2s}
.stage:is([data-phase="build"],[data-phase="live"]) .spark path{stroke-dashoffset:0}

/* code panel slides over during build */
.code{position:absolute;left:4%;bottom:4%;width:54%;background:#15171D;color:#D7DAE0;border-radius:12px;padding:12px 14px;font:500 10.5px/1.65 var(--f-mono);box-shadow:var(--shadow);transform:translateY(16px);opacity:0;transition:opacity .5s,transform .5s;z-index:3;min-width:0;overflow:hidden}
.code .k{color:#9AA6FF}.code .s{color:#7EE0B5}.code .c{color:#6C7280;background:none;outline:none!important}
.code .ln{white-space:pre;overflow:hidden;width:0;display:block}
.stage[data-phase="build"] .code{opacity:1;transform:none}
.stage[data-phase="build"] .code .ln{animation:type .5s steps(30) forwards}
.stage[data-phase="build"] .code .ln:nth-child(2){animation-delay:.4s}
.stage[data-phase="build"] .code .ln:nth-child(3){animation-delay:.8s}
.stage[data-phase="build"] .code .ln:nth-child(4){animation-delay:1.2s}
.stage[data-phase="build"] .code .ln:nth-child(5){animation-delay:1.6s}
@keyframes type{to{width:100%}}

/* phone */
.phone{position:absolute;right:0;bottom:4%;width:30%;aspect-ratio:9/19;background:var(--device);border-radius:26px;padding:6px;box-shadow:var(--shadow);z-index:2}
.phone-scr{width:100%;height:100%;border-radius:21px;background:var(--surface);overflow:hidden;position:relative}
.phone-notch{position:absolute;top:6px;left:50%;transform:translateX(-50%);width:34%;height:14px;border-radius:10px;background:var(--device);z-index:2}
.feed{position:absolute;inset:28px 8px 0;display:grid;gap:8px;align-content:start}
.stage[data-phase="live"] .feed{animation:feed 3.2s cubic-bezier(.6,0,.3,1) forwards}
@keyframes feed{to{transform:translateY(-34%)}}
.f-card{border-radius:10px;background:var(--bg-2);padding:8px;display:grid;gap:5px}
.f-card .ph{aspect-ratio:1.5/1;border-radius:7px;background:var(--accent-soft)}
.f-card:nth-child(2) .ph{background:color-mix(in srgb,var(--sun) 40%,var(--surface))}
.f-card:nth-child(3) .ph{background:color-mix(in srgb,var(--mint) 30%,var(--surface))}
.f-card:nth-child(4) .ph{background:color-mix(in srgb,var(--rose) 28%,var(--surface))}
.f-card b{display:block;height:5px;border-radius:3px;background:var(--ink-3);width:80%}
.f-card b+b{width:50%;opacity:.5}
.tabbar{position:absolute;left:0;right:0;bottom:0;height:30px;background:var(--surface);border-top:1px solid var(--line);display:flex;justify-content:space-around;align-items:center}
.tabbar i{width:12px;height:12px;border-radius:4px;background:var(--line)}
.tabbar i:first-child{background:var(--accent)}
.stage[data-phase="wire"] .phone-scr *:is(.ph,b){background:transparent;outline:1.3px dashed var(--ink-3);outline-offset:-1.3px}

/* cursor + toast */
.cursor{position:absolute;z-index:5;width:22px;height:22px;left:30%;top:60%;transition:left 1s cubic-bezier(.6,0,.2,1),top 1s cubic-bezier(.6,0,.2,1),transform .15s;pointer-events:none;filter:drop-shadow(0 2px 3px rgba(0,0,0,.25))}
.cursor.click{transform:scale(.8)}
.toast{position:absolute;z-index:6;left:28%;top:3%;display:flex;align-items:center;gap:10px;padding:10px 14px;border-radius:12px;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);font:600 13px/1.2 var(--f-body);opacity:0;transform:translateY(-8px) scale(.96);transition:opacity .4s,transform .4s}
.toast small{display:block;font:500 11px/1.3 var(--f-mono);color:var(--ink-3)}
.toast .ok{width:22px;height:22px;border-radius:50%;background:var(--mint);display:grid;place-items:center;color:#fff;flex:none}
.stage[data-phase="live"] .toast{opacity:1;transform:none;transition-delay:1s}
/* scrubber */
.scrub{position:absolute;left:8%;right:0;bottom:-46px;display:flex;align-items:center;gap:12px}
.scrub>button{width:34px;height:34px;border-radius:50%;border:1px solid var(--line);background:var(--surface);color:var(--ink);display:grid;place-items:center;cursor:pointer;flex:none}
.scrub-track{flex:1;display:grid;grid-template-columns:repeat(4,1fr);gap:6px;min-width:0}
.scrub-seg{display:grid;gap:6px;font:500 11px/1 var(--f-mono);color:var(--ink-3);text-transform:uppercase;letter-spacing:.08em;cursor:pointer;background:none;border:0;padding:0;text-align:left}
.scrub-seg .bar{height:3px;border-radius:2px;background:var(--line);overflow:hidden}
.scrub-seg .bar i{display:block;height:100%;width:0;background:var(--accent)}
.scrub-seg.on{color:var(--ink)}
.scrub-seg.done .bar i{width:100%}
.scrub-seg.on .bar i{animation:seg var(--dur,2400ms) linear forwards}
.stage.paused .scrub-seg.on .bar i{animation-play-state:paused}
@keyframes seg{from{width:0}to{width:100%}}
@media (max-width:560px){.scrub-seg span{font-size:9.5px}.code{font-size:8.5px;width:70%}}

/* ===== Logo marquee strip ===== */
.strip{border-block:1px solid var(--line);padding-block:20px;overflow:hidden;background:var(--bg)}
.marquee{display:flex;gap:12px;width:max-content;animation:mq 46s linear infinite}
.marquee.rev{animation-direction:reverse;animation-duration:52s}
.strip:hover .marquee{animation-play-state:paused}
@keyframes mq{to{transform:translateX(-50%)}}
.tech{display:inline-flex;align-items:center;gap:10px;padding:10px 18px 10px 10px;border-radius:999px;background:var(--surface);border:1px solid var(--line);font:600 15px/1 var(--f-body);white-space:nowrap}
.tech .gl{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;font:700 11px/1 var(--f-mono);color:#fff}
.strip .rows{display:grid;gap:12px}

/* ===== Services overview ===== */
.svc-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
@media (max-width:980px){.svc-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:620px){.svc-grid{grid-template-columns:1fr}}
.svc{text-decoration:none;color:inherit;position:relative;background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:26px;display:grid;gap:14px;align-content:start;overflow:hidden;transition:transform .4s cubic-bezier(.2,.8,.2,1),border-color .3s;min-width:0}
.svc:hover{transform:translateY(-4px);border-color:var(--ink)}
.svc .num{font:500 12px/1 var(--f-mono);color:var(--ink-3)}
.svc p{color:var(--ink-2);font-size:15.5px}
.svc .tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:4px}
.svc .tags span{font:500 12px/1 var(--f-mono);padding:6px 9px;border-radius:6px;background:var(--bg-2);color:var(--ink-2)}
.svc .viz{height:120px;border-radius:12px;background:var(--bg-2);position:relative;overflow:hidden;margin-bottom:6px}

/* mini visuals in service cards */
.v-road{position:absolute;inset:0}
.v-road svg{width:100%;height:100%}
.v-road path{fill:none;stroke:var(--ink-3);stroke-width:2;stroke-dasharray:4 6}
.v-road circle{fill:var(--accent)}
.v-design{position:absolute;inset:18px;display:grid;grid-template-columns:1fr 1fr;gap:8px}
.v-design i{border-radius:8px;background:var(--surface);border:1px solid var(--line);transition:transform .5s cubic-bezier(.2,.8,.2,1),background .4s}
.svc:hover .v-design i:nth-child(1){transform:translate(6px,6px) rotate(-3deg);background:var(--accent-soft)}
.svc:hover .v-design i:nth-child(4){transform:translate(-6px,-6px) rotate(3deg);background:color-mix(in srgb,var(--sun) 40%,var(--surface))}
.v-code{position:absolute;inset:16px;font:500 11px/1.6 var(--f-mono);color:var(--ink-2);white-space:pre;overflow:hidden}
.v-code .k{color:var(--accent)}.v-code .s{color:var(--mint)}
.v-tests{position:absolute;inset:16px;display:grid;gap:6px;align-content:center}
.v-tests div{display:flex;align-items:center;gap:8px;font:500 11px/1 var(--f-mono);color:var(--ink-2)}
.v-tests div::before{content:"";width:14px;height:14px;border-radius:4px;background:var(--line);flex:none;transition:background .3s}
.svc:hover .v-tests div::before,.svc.in .v-tests div::before{background:var(--mint)}
.v-tests div:nth-child(2)::before{transition-delay:.15s}.v-tests div:nth-child(3)::before{transition-delay:.3s}.v-tests div:nth-child(4)::before{transition-delay:.45s}
.v-launch{position:absolute;inset:0;display:grid;place-items:center}
.v-launch .rk{width:40px;height:40px;border-radius:12px;background:var(--accent);display:grid;place-items:center;color:#fff;transition:transform .8s cubic-bezier(.5,-0.4,.3,1.4)}
.svc:hover .v-launch .rk{transform:translateY(-26px)}
.v-launch .trail{position:absolute;bottom:14px;left:50%;width:2px;height:40px;background:linear-gradient(var(--accent),transparent);transform:translateX(-50%) scaleY(.3);transform-origin:top;transition:transform .8s}
.svc:hover .v-launch .trail{transform:translateX(-50%) scaleY(1)}
.v-pulse{position:absolute;inset:0}
.v-pulse svg{width:100%;height:100%}
.v-pulse path{fill:none;stroke:var(--mint);stroke-width:2.2;stroke-dasharray:300;animation:pulse 3s linear infinite}
@keyframes pulse{from{stroke-dashoffset:300}to{stroke-dashoffset:-300}}

/* ===== Layers (pinned, exploding stack) ===== */
.layers{background:var(--bg-2);border-block:1px solid var(--line)}
.layers-in{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:clamp(30px,5vw,80px);align-items:center;min-height:100vh;padding-block:56px}
.stack-wrap{position:relative;aspect-ratio:1/1;max-width:560px;width:100%;justify-self:center;perspective:1800px}
.stack{position:absolute;inset:22% 18% 22% 18%;transform-style:preserve-3d;transform:rotateX(58deg) rotateZ(-38deg)}
.plate{position:absolute;inset:0;border-radius:18px;transform:translateZ(calc(var(--i) * var(--gap,14px)));transition:transform .15s linear,box-shadow .4s,opacity .4s;background:var(--surface);border:1px solid var(--line);box-shadow:0 0 0 1px color-mix(in srgb,var(--ink) 4%,transparent),-10px 14px 30px -10px rgba(20,22,27,.25);display:grid;padding:9%;overflow:hidden}
.plate .pl{position:absolute;left:8%;top:6%;font:600 9px/1 var(--f-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3)}
.plate.on{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent),-10px 20px 40px -10px color-mix(in srgb,var(--accent) 45%,transparent)}
.plate.on .pl{color:var(--accent)}
.stack.dim .plate:not(.on){opacity:.55}
.pl-art{position:relative;width:100%;height:100%}
/* plate art */
.a-cloud{display:grid;grid-template-columns:repeat(4,1fr);gap:8%;align-content:center;height:100%}
.a-cloud i{aspect-ratio:1;border-radius:6px;background:var(--bg-2);border:1px solid var(--line)}
.a-cloud i:nth-child(3n){background:color-mix(in srgb,var(--mint) 35%,var(--surface))}
.a-data{display:flex;gap:10%;align-items:center;justify-content:center;height:100%}
.a-data i{width:22%;aspect-ratio:1/1.25;border-radius:50%/18%;background:linear-gradient(var(--accent-soft),var(--surface));border:1px solid var(--line)}
.a-api{height:100%;display:grid;grid-template-columns:1fr 1fr 1fr;align-items:center;gap:6%}
.a-api i{height:28%;border-radius:999px;background:var(--bg-2);border:1px solid var(--line)}
.a-api i:nth-child(2){background:var(--accent);border-color:var(--accent)}
.a-fe{height:100%;display:grid;grid-template-rows:14% 1fr;gap:8%}
.a-fe i{border-radius:6px;background:var(--bg-2)}
.a-fe i:last-child{background:linear-gradient(135deg,var(--accent-soft),color-mix(in srgb,var(--rose) 22%,var(--surface)))}
.a-ux{height:100%;display:grid;grid-template-columns:1fr 1fr 1fr;gap:6%;align-items:center}
.a-ux i{aspect-ratio:9/16;border-radius:6px;border:1.5px dashed var(--ink-3)}
.a-strat{height:100%;display:grid;align-content:center;gap:10%}
.a-strat i{height:10%;border-radius:4px;background:var(--bg-2);width:var(--w)}
.a-strat i:first-child{background:var(--sun)}
.layer-list{display:grid;gap:4px;min-width:0}
.layer-item{display:grid;grid-template-columns:44px minmax(0,1fr);gap:4px 14px;padding:16px 18px;border-radius:16px;cursor:pointer;transition:background .35s,box-shadow .35s;border:0;background:none;text-align:left;color:inherit;font:inherit}
.layer-item .n{font:500 12px/26px var(--f-mono);color:var(--ink-3)}
.layer-item h3{font-size:22px;letter-spacing:-.02em;line-height:26px;color:var(--ink-3);transition:color .3s}
.layer-item p{grid-column:2;color:var(--ink-2);font-size:15.5px;max-height:0;overflow:hidden;opacity:0;transition:max-height .5s,opacity .4s}
.layer-item .stk{grid-column:2;display:flex;flex-wrap:wrap;gap:6px;max-height:0;overflow:hidden;opacity:0;transition:max-height .5s,opacity .4s}
.layer-item .stk span{font:500 11.5px/1 var(--f-mono);padding:5px 8px;border-radius:6px;background:var(--bg-2);color:var(--ink-2)}
.layer-item.on{background:var(--surface);box-shadow:var(--shadow)}
.layer-item.on h3{color:var(--ink)}
.layer-item.on .n{color:var(--accent)}
.layer-item.on p,.layer-item.on .stk{max-height:160px;opacity:1}
@media (max-width:900px){
  .layers-in{grid-template-columns:1fr;min-height:0;padding-block:52px}
  .stack-wrap{max-width:420px}
}

/* ===== Showcase: what we build ===== */
.show-grid{display:grid;grid-template-columns:1.25fr 1fr;grid-template-rows:auto auto;gap:16px}
.show{background:var(--surface);border:1px solid var(--line);border-radius:24px;padding:26px;display:grid;gap:18px;align-content:start;overflow:hidden;position:relative;min-width:0}
.show.big{grid-row:span 2}
.show h3{font-size:24px}
.show p{color:var(--ink-2);font-size:15.5px}
.show .scene{border-radius:16px;background:var(--bg-2);position:relative;overflow:hidden}
.show.big .scene{aspect-ratio:1/0.95}
.show:not(.big) .scene{aspect-ratio:16/8}
@media (max-width:860px){.show-grid{grid-template-columns:1fr}.show.big{grid-row:auto}}
/* phone app scene */
.sc-phones{position:absolute;inset:0;display:flex;justify-content:center;align-items:center;gap:6%}
.mph{width:34%;aspect-ratio:9/19;background:var(--device);border-radius:24px;padding:5px;box-shadow:var(--shadow);position:relative}
.mph:nth-child(2){transform:translateY(8%)}
.mph .scr{width:100%;height:100%;border-radius:20px;overflow:hidden;background:var(--surface);position:relative}
.mph .roll{position:absolute;inset:0;padding:22px 8px;display:grid;gap:8px;align-content:start;animation:roll 9s cubic-bezier(.7,0,.3,1) infinite}
@keyframes roll{0%,18%{transform:translateY(0)}33%,51%{transform:translateY(-28%)}66%,84%{transform:translateY(-56%)}100%{transform:translateY(0)}}
.mph .roll.r2{animation-delay:-3s}
.app-h{height:8px;width:55%;border-radius:4px;background:var(--ink)}
.app-card{border-radius:12px;padding:9px;display:grid;gap:6px;background:var(--bg-2)}
.app-card .row{display:flex;justify-content:space-between;align-items:center}
.app-card .av{width:18px;height:18px;border-radius:50%;background:var(--accent)}
.app-card b{display:block;height:5px;border-radius:3px;background:var(--ink-3);width:60%}
.app-card .big{height:44px;border-radius:8px;background:linear-gradient(135deg,var(--accent),color-mix(in srgb,var(--accent) 50%,var(--rose)))}
.app-card .pill{width:30px;height:12px;border-radius:999px;background:var(--mint)}
.app-card.y{background:color-mix(in srgb,var(--sun) 30%,var(--surface))}
.app-card.m{background:color-mix(in srgb,var(--mint) 22%,var(--surface))}
.notif{position:absolute;top:10%;left:6%;right:6%;background:var(--surface);border-radius:14px;padding:10px 12px;box-shadow:var(--shadow);font:600 12px/1.3 var(--f-body);display:flex;gap:10px;align-items:center;animation:notif 9s ease infinite;z-index:3;border:1px solid var(--line)}
.notif i{width:26px;height:26px;border-radius:8px;background:var(--accent);flex:none}
.notif small{display:block;font:500 10.5px/1.3 var(--f-mono);color:var(--ink-3)}
@keyframes notif{0%,40%{transform:translateY(-140%);opacity:0}46%,70%{transform:none;opacity:1}76%,100%{transform:translateY(-140%);opacity:0}}
/* dashboard scene */
.sc-dash{position:absolute;inset:14px;display:grid;grid-template-columns:22% 1fr;gap:10px}
.sc-dash .side{border-radius:10px;background:var(--surface);display:grid;gap:7px;padding:10px;align-content:start}
.sc-dash .side i{height:7px;border-radius:4px;background:var(--line)}
.sc-dash .side i:nth-child(2){background:var(--accent)}
.sc-dash .main{display:grid;grid-template-rows:auto 1fr;gap:10px;min-width:0}
.kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.kpi{background:var(--surface);border-radius:10px;padding:8px 10px;font:600 15px/1.1 var(--f-display)}
.kpi small{display:block;font:500 9px/1.3 var(--f-mono);color:var(--ink-3);text-transform:uppercase;letter-spacing:.08em}
.chart{background:var(--surface);border-radius:10px;padding:10px;display:flex;align-items:flex-end;gap:5%}
.chart i{flex:1;border-radius:3px 3px 0 0;background:var(--accent-soft);height:var(--h);animation:grow 4s cubic-bezier(.2,.8,.2,1) infinite alternate}
.chart i:nth-child(odd){background:var(--accent)}
@keyframes grow{0%,10%{transform:scaleY(.25)}60%,100%{transform:scaleY(1)}}
.chart i{transform-origin:bottom}
/* store scene */
.sc-store{position:absolute;inset:14px;display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.prod{background:var(--surface);border-radius:12px;padding:8px;display:grid;gap:6px;grid-template-rows:1fr auto;position:relative}
.prod .pimg{border-radius:8px;position:relative;overflow:hidden}
.prod:nth-child(1) .pimg{background:color-mix(in srgb,var(--sun) 45%,var(--surface))}
.prod:nth-child(2) .pimg{background:var(--accent-soft)}
.prod:nth-child(3) .pimg{background:color-mix(in srgb,var(--rose) 28%,var(--surface))}
.prod .pimg::after{content:"";position:absolute;left:30%;right:30%;top:25%;bottom:25%;border-radius:40% 40% 12px 12px;background:color-mix(in srgb,var(--ink) 75%,transparent);opacity:.18}
.prod .meta{display:flex;justify-content:space-between;align-items:center;font:600 11px/1 var(--f-mono)}
.prod .add{width:20px;height:20px;border-radius:6px;background:var(--ink);color:var(--bg);display:grid;place-items:center;font-size:13px}
.prod:nth-child(2) .add{animation:tap 6s infinite}
@keyframes tap{0%,40%{transform:scale(1)}44%{transform:scale(.8);background:var(--accent)}50%,100%{transform:scale(1)}}
.cart{position:absolute;top:8px;right:8px;display:flex;align-items:center;gap:6px;padding:5px 9px;border-radius:999px;background:var(--ink);color:var(--bg);font:600 11px/1 var(--f-mono);z-index:2}
.cart b{display:inline-block;min-width:8px}

/* ===== Process (horizontal pinned) ===== */
.process{overflow:hidden}
.proc-head{display:flex;justify-content:space-between;align-items:end;gap:30px;flex-wrap:wrap}
.proc-bar{height:2px;background:var(--line);margin-top:40px;position:relative}
.proc-bar i{position:absolute;left:0;top:0;bottom:0;width:100%;background:var(--accent);transform-origin:0 50%;transform:scaleX(var(--pp,0))}
.proc-track{display:flex;gap:18px;padding-top:34px;width:max-content;padding-inline:max(var(--gutter),calc((100vw - var(--maxw))/2 + var(--gutter))) 30vw}
.step{width:min(420px,78vw);flex:none;background:var(--surface);border:1px solid var(--line);border-radius:24px;padding:28px;display:grid;gap:16px;align-content:start;min-height:440px}
.step .top{display:flex;justify-content:space-between;align-items:center}
.step .idx{font:800 64px/0.9 var(--f-display);letter-spacing:-.04em;color:var(--accent)}
.step h3{font-size:28px}
.step p{color:var(--ink-2);font-size:15.5px}
.step .del{display:grid;gap:8px;margin-top:auto;padding-top:14px;border-top:1px dashed var(--line)}
.step .del small{font:500 11px/1 var(--f-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3)}
.step .del div{display:flex;flex-wrap:wrap;gap:6px}
.step .ill{height:96px;border-radius:14px;background:var(--bg-2);position:relative;overflow:hidden}
@media (max-width:760px){
  .proc-track{flex-direction:column;width:auto;padding-inline:var(--gutter)}
  .step{width:auto;min-height:0}
}
/* step mini illustrations */
.ill-chat{position:absolute;inset:14px;display:grid;gap:6px;align-content:center}
.ill-chat i{height:16px;border-radius:999px;background:var(--surface);width:60%}
.ill-chat i:nth-child(2){justify-self:end;background:var(--accent);width:44%}
.ill-chat i:nth-child(3){width:70%}
.ill-blue{position:absolute;inset:0;background:
 linear-gradient(var(--line) 1px,transparent 1px) 0 0/14px 14px,linear-gradient(90deg,var(--line) 1px,transparent 1px) 0 0/14px 14px}
.ill-blue::after{content:"";position:absolute;left:18%;top:22%;width:40%;height:52%;border:2px solid var(--accent);border-radius:6px}
.ill-blue::before{content:"";position:absolute;left:62%;top:36%;width:20%;height:36%;border:2px dashed var(--ink-3);border-radius:6px}
.ill-sprint{position:absolute;inset:14px;display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.ill-sprint div{background:var(--surface);border-radius:8px;padding:6px;display:grid;gap:5px;align-content:start}
.ill-sprint b{height:10px;border-radius:3px;background:var(--line)}
.ill-sprint div:last-child b{background:color-mix(in srgb,var(--mint) 50%,var(--surface))}
.ill-sprint div:nth-child(2) b:first-child{background:var(--accent-soft)}
.ill-uat{position:absolute;inset:14px;display:grid;gap:7px;align-content:center}
.ill-uat div{display:flex;gap:8px;align-items:center;font:500 11px/1 var(--f-mono);color:var(--ink-2)}
.ill-uat div::before{content:"✓";width:16px;height:16px;border-radius:50%;background:var(--mint);color:#fff;display:grid;place-items:center;font-size:10px}
.ill-uat div:last-child::before{content:"!";background:var(--sun)}
.ill-launch{position:absolute;inset:0;display:grid;place-items:center}
.ill-launch span{font:700 13px/1 var(--f-mono);padding:10px 14px;border-radius:999px;background:var(--surface);display:flex;gap:8px;align-items:center}
.ill-growth{position:absolute;inset:10px}
.ill-growth svg{width:100%;height:100%}

/* ===== Architecture ===== */
.arch-box{background:var(--surface);border:1px solid var(--line);border-radius:28px;padding:clamp(16px,3vw,34px);overflow-x:auto}
.arch-box svg{display:block;width:100%;min-width:760px;height:auto}
.arch-legend{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.nd rect{fill:var(--bg);stroke:var(--line);stroke-width:1.2}
.nd.hl rect{fill:var(--accent-soft);stroke:var(--accent)}
.nd text{fill:var(--ink);font:600 14px var(--f-body)}
.nd text.sub{fill:var(--ink-3);font:500 11px var(--f-mono)}
.wire{fill:none;stroke:var(--ink-3);stroke-width:1.4;stroke-dasharray:3 5}
.zone{fill:none;stroke:var(--accent);stroke-width:1.2;stroke-dasharray:6 6;opacity:.6}
.zone-t{fill:var(--accent);font:600 11px var(--f-mono);letter-spacing:.1em}
.pkt{fill:var(--accent)}
.pkt.m{fill:var(--mint)}
.pkt.s{fill:var(--sun)}

/* ===== Stack categories ===== */
.stack-cats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:16px}
@media (max-width:980px){.stack-cats{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:520px){.stack-cats{grid-template-columns:1fr}}
.cat{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:22px;display:grid;gap:14px;align-content:start}
.cat h4{font-size:15px;font-family:var(--f-mono);font-weight:500;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-2)}
.cat ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.cat li{display:flex;align-items:center;gap:10px;font-weight:600}
.cat li .gl{width:26px;height:26px;border-radius:8px;display:grid;place-items:center;font:700 10px/1 var(--f-mono);color:#fff;flex:none}

/* ===== Discovery chart ===== */
.disc{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.2fr);gap:clamp(30px,5vw,70px);align-items:center}
@media (max-width:900px){.disc{grid-template-columns:1fr}}
.disc-list{display:grid;gap:14px;margin-top:10px}
.disc-list div{display:grid;grid-template-columns:28px 1fr;gap:12px;align-items:start}
.disc-list b{width:28px;height:28px;border-radius:8px;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center;font:700 13px/1 var(--f-mono)}
.chart-card{background:var(--surface);border:1px solid var(--line);border-radius:24px;padding:24px}
.chart-card svg{width:100%;height:auto;display:block}
.cc-axis{stroke:var(--line);stroke-width:1}
.cc-lbl{fill:var(--ink-3);font:500 11px var(--f-mono)}
.cc-a{fill:none;stroke:var(--rose);stroke-width:3;stroke-linecap:round}
.cc-b{fill:none;stroke:var(--accent);stroke-width:3;stroke-linecap:round}
.cc-legend{display:flex;gap:18px;flex-wrap:wrap;margin-top:12px;font:500 12.5px/1 var(--f-mono);color:var(--ink-2)}
.cc-legend span{display:flex;align-items:center;gap:8px}
.cc-legend i{width:18px;height:3px;border-radius:2px}

/* ===== Facts / why ===== */
.facts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:1px solid var(--line)}
.fact{padding:28px 24px 28px 0;display:grid;gap:8px;border-right:1px solid var(--line);padding-left:24px}
.fact:first-child{padding-left:0}
.fact:last-child{border-right:0}
.fact .big{font:800 clamp(44px,5vw,68px)/1 var(--f-display);letter-spacing:-.04em;font-variant-numeric:tabular-nums}
.fact p{color:var(--ink-2);font-size:15px}
@media (max-width:860px){.facts{grid-template-columns:1fr 1fr}.fact{border-right:0;padding-left:0;border-bottom:1px solid var(--line)}}
.why{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
@media (max-width:860px){.why{grid-template-columns:1fr}}
.why-c{padding:30px;border-radius:22px;background:var(--surface);border:1px solid var(--line);display:grid;gap:14px;align-content:start}
.why-c .ico{width:48px;height:48px;border-radius:14px;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center}
.why-c .ico svg{width:24px;height:24px}
.why-c p{color:var(--ink-2)}

/* ===== Engagement ===== */
.eng{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media (max-width:820px){.eng{grid-template-columns:1fr}}
.eng-c{border-radius:26px;padding:clamp(26px,3.4vw,40px);display:grid;gap:18px;align-content:start;background:var(--surface);border:1px solid var(--line)}
.eng-c.feat{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.eng-c.feat p,.eng-c.feat li{color:color-mix(in srgb,var(--bg) 75%,var(--ink))}
.eng-c .tag{font:500 12px/1 var(--f-mono);letter-spacing:.1em;text-transform:uppercase;opacity:.7}
.eng-c h3{font-size:clamp(28px,3vw,38px)}
.eng-c ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.eng-c li{display:flex;gap:10px;color:var(--ink-2)}
.eng-c li::before{content:"";width:18px;height:18px;flex:none;margin-top:4px;border-radius:50%;background:var(--accent) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5L20 7'/%3E%3C/svg%3E") center/11px no-repeat}
.eng-c.feat .btn-primary{background:var(--bg);color:var(--ink)}

/* ===== CTA band ===== */
.cta-band{border-radius:32px;background:var(--accent);color:var(--on-accent);padding:clamp(36px,6vw,80px);position:relative;overflow:hidden;display:grid;gap:26px}
.cta-band h2{font-size:clamp(38px,6vw,82px);letter-spacing:-.04em;max-width:14ch}
.cta-band p{opacity:.85;max-width:52ch;font-size:18px}
.cta-band .btn{background:var(--on-accent);color:var(--accent);justify-self:start}
.cta-band .orb{position:absolute;border-radius:50%;border:1.5px solid color-mix(in srgb,var(--on-accent) 35%,transparent)}
.cta-band .orb.o1{width:520px;height:520px;right:-140px;top:-180px}
.cta-band .orb.o2{width:340px;height:340px;right:-40px;top:-80px}
.cta-band .orb.o3{width:180px;height:180px;right:40px;top:0}

/* ===== Footer ===== */
footer{border-top:1px solid var(--line);margin-top:clamp(52px,6.5vw,92px);padding-block:50px 40px}
.foot{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}
.foot h5{margin:0 0 12px;font:500 12px/1 var(--f-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3)}
.foot>div{min-width:0}
.foot a{overflow-wrap:anywhere;display:block;text-decoration:none;color:var(--ink-2);padding-block:4px}
.foot a:hover{color:var(--ink)}
.foot-big{font:800 clamp(56px,13vw,190px)/.85 var(--f-display);letter-spacing:-.055em;margin-top:60px;color:var(--ink);opacity:.07;white-space:nowrap;overflow:hidden}
.foot-base{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;margin-top:20px;color:var(--ink-3);font-size:14px}
@media (max-width:760px){.foot{grid-template-columns:1fr 1fr}}

/* ===== Inner page heroes ===== */
.p-hero{padding-block:clamp(40px,6vw,84px) clamp(30px,4vw,56px);display:grid;gap:26px}
.p-hero .h-xl{max-width:15ch}

/* Services deep dive */
.deep{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(30px,6vw,90px);align-items:start}
.deep-vis{position:sticky;top:110px;aspect-ratio:1/1;border-radius:28px;background:var(--bg-2);border:1px solid var(--line);overflow:hidden}
.deep-vis .dv{position:absolute;inset:0;display:grid;place-items:center;opacity:0;transform:scale(.96);transition:opacity .5s,transform .6s cubic-bezier(.2,.8,.2,1)}
.deep-vis .dv.on{opacity:1;transform:none}
.deep-vis .dv-label{position:absolute;left:22px;bottom:20px;font:500 12px/1 var(--f-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--ink-2)}
.deep-list{display:grid;gap:0}
.deep-item{padding-block:clamp(32px,5vw,64px);border-top:1px solid var(--line);display:grid;gap:18px;min-width:0}
.deep-item:first-child{border-top:0;padding-top:0}
.deep-item .n{font:500 13px/1 var(--f-mono);color:var(--accent)}
.deep-item h2{font-size:clamp(32px,4vw,52px)}
.deep-item>p{color:var(--ink-2);font-size:18px;max-width:58ch}
.deep-cols{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:6px}
.deep-cols h4{font:500 12px/1 var(--f-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3);margin-bottom:10px}
.deep-cols ul{margin:0;padding:0;list-style:none;display:grid;gap:8px}
.deep-cols li{padding-left:18px;position:relative;color:var(--ink-2);font-size:15.5px}
.deep-cols li::before{content:"";position:absolute;left:0;top:.62em;width:7px;height:7px;border-radius:2px;background:var(--accent)}
@media (max-width:900px){.deep{grid-template-columns:1fr}.deep-vis{position:relative;top:0;max-width:440px;width:100%;justify-self:center}}
@media (max-width:520px){.deep-cols{grid-template-columns:1fr}}
/* big visuals inside deep-vis */
.bv{width:70%;aspect-ratio:1;position:relative}

/* FAQ */
.faq{display:grid;gap:10px;max-width:880px}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:0 24px}
.faq summary{list-style:none;cursor:pointer;padding-block:22px;display:flex;justify-content:space-between;gap:20px;font:600 19px/1.3 var(--f-display);letter-spacing:-.01em}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font:400 26px/1 var(--f-body);color:var(--accent);transition:transform .3s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{padding-bottom:22px;color:var(--ink-2);max-width:68ch}

/* Work */
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px}
.filters button{padding:10px 16px;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--ink-2);font:500 14px/1 var(--f-body);cursor:pointer;transition:all .25s}
.filters button.on{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.work-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
@media (max-width:760px){.work-grid{grid-template-columns:1fr}}
.case{display:grid;gap:16px;cursor:pointer;text-align:left;background:none;border:0;padding:0;color:inherit;font:inherit;transition:opacity .4s,transform .4s}
.case.hide{display:none}
.case .cover{aspect-ratio:4/3;border-radius:24px;position:relative;overflow:hidden;border:1px solid var(--line);transition:transform .5s cubic-bezier(.2,.8,.2,1)}
.case:hover .cover{transform:scale(.985)}
.case:hover .cover>.cv-inner{transform:scale(1.04)}
.cv-inner{position:absolute;inset:0;transition:transform .8s cubic-bezier(.2,.8,.2,1)}
.case .row{display:flex;justify-content:space-between;align-items:start;gap:12px}
.case h3{font-size:26px}
.case p{color:var(--ink-2);font-size:15.5px}
.sample{position:absolute;top:14px;left:14px;z-index:2;font:500 11px/1 var(--f-mono);padding:7px 10px;border-radius:999px;background:color-mix(in srgb,var(--surface) 90%,transparent);border:1px dashed var(--ink-3);color:var(--ink-2)}
/* covers */
.cv1{background:linear-gradient(160deg,var(--accent) 0%,color-mix(in srgb,var(--accent) 60%,var(--rose)) 100%)}
.cv2{background:color-mix(in srgb,var(--sun) 55%,var(--surface))}
.cv3{background:color-mix(in srgb,var(--mint) 35%,var(--surface))}
.cv4{background:var(--ink)}
.cv5{background:var(--accent-soft)}
.cv6{background:color-mix(in srgb,var(--rose) 30%,var(--surface))}
.cv-phone{position:absolute;width:30%;aspect-ratio:9/19;border-radius:22px;background:var(--device);padding:5px;box-shadow:0 30px 60px -20px rgba(0,0,0,.45)}
.cv-phone .s{width:100%;height:100%;border-radius:18px;background:var(--surface);overflow:hidden;padding:18px 7px;display:grid;gap:6px;align-content:start}
.cv-phone .s i{display:block;border-radius:8px;background:var(--bg-2);height:30px}
.cv-phone .s i:first-child{height:70px;background:var(--accent-soft)}
.cv-web{position:absolute;width:76%;aspect-ratio:16/10;border-radius:12px;background:var(--surface);box-shadow:0 30px 60px -20px rgba(0,0,0,.35);overflow:hidden;display:grid;grid-template-rows:20px 1fr}
.cv-web .tb{background:var(--bg-2);display:flex;gap:4px;align-items:center;padding:0 8px}
.cv-web .tb i{width:6px;height:6px;border-radius:50%;background:var(--line)}
.cv-web .bd{padding:6%;display:grid;gap:6%;grid-template-columns:1fr 1fr;align-content:start}
.cv-web .bd b{display:block;border-radius:6px;background:var(--bg-2)}
/* drawer */
.drawer{position:fixed;inset:0;z-index:70;overflow:hidden;display:grid;grid-template-columns:1fr minmax(0,640px);visibility:hidden}
.drawer.open{visibility:visible}
.drawer .scrim{background:rgba(10,12,16,.4);opacity:0;transition:opacity .4s}
.drawer.open .scrim{opacity:1}
.drawer .panel{background:var(--bg);overflow:auto;transform:translateX(100%);transition:transform .55s cubic-bezier(.7,0,.2,1);padding:28px clamp(18px,4vw,44px) 60px;display:grid;gap:26px;align-content:start}
.drawer.open .panel{transform:none}
.drawer .close{justify-self:end}
.drawer .cover{aspect-ratio:16/10;border-radius:20px;position:relative;overflow:hidden;border:1px solid var(--line)}
.dr-sec{display:grid;gap:10px}
.dr-sec h4{font:500 12px/1 var(--f-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3)}
.dr-sec p{color:var(--ink-2)}
.ph-note{border:1.5px dashed var(--ink-3);border-radius:14px;padding:14px 16px;color:var(--ink-2);font-size:14.5px;background:var(--surface)}
@media (max-width:700px){.drawer{grid-template-columns:0 1fr}}

/* About / contact */
.about-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(30px,6vw,90px);align-items:start}
@media (max-width:860px){.about-grid{grid-template-columns:1fr}}
.about-grid .lede{max-width:none}
.values{display:grid;gap:0;border-top:1px solid var(--line)}
.val{display:grid;grid-template-columns:56px 1fr;gap:16px;padding-block:24px;border-bottom:1px solid var(--line)}
.val .n{font:500 13px/28px var(--f-mono);color:var(--accent)}
.val h3{font-size:24px;margin-bottom:6px}
.val p{color:var(--ink-2)}
.loc{border-radius:24px;overflow:hidden;position:relative;aspect-ratio:4/3;background:var(--bg-2);border:1px solid var(--line)}
.loc canvas{width:100%;height:100%;display:block}
.loc .pin{position:absolute;left:58%;top:62%;transform:translate(-50%,-100%);display:grid;justify-items:center;gap:6px}
.loc .pin span{font:600 13px/1 var(--f-body);background:var(--surface);padding:8px 12px;border-radius:999px;box-shadow:var(--shadow);white-space:nowrap}
.loc .pin i{width:14px;height:14px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 6px color-mix(in srgb,var(--accent) 25%,transparent);animation:ping 2s infinite}
@keyframes ping{50%{box-shadow:0 0 0 14px color-mix(in srgb,var(--accent) 0%,transparent)}}
.contact{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:clamp(30px,6vw,80px);align-items:start}
@media (max-width:900px){.contact{grid-template-columns:1fr}}
.form{background:var(--surface);border:1px solid var(--line);border-radius:28px;padding:clamp(22px,3.5vw,40px);display:grid;gap:18px}
.fgrid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media (max-width:560px){.fgrid{grid-template-columns:1fr}}
.field{display:grid;gap:8px;min-width:0}
.field label,.field legend{font:500 12px/1 var(--f-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--ink-2)}
.field input,.field textarea,.field select{width:100%;font:500 16px/1.4 var(--f-body);color:var(--ink);background:var(--bg);border:1.5px solid var(--line);border-radius:12px;padding:13px 14px;transition:border-color .2s,background .2s}
.field textarea{min-height:130px;resize:vertical}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--accent);background:var(--surface)}
.field .err{color:var(--rose);font-size:13px;display:none}
.field.bad input,.field.bad textarea{border-color:var(--rose)}
.field.bad .err{display:block}
fieldset.field{border:0;padding:0;margin:0}
.opts{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}
.opts label{cursor:pointer;position:relative}
.opts input{position:absolute;opacity:0;pointer-events:none}
.opts span{display:inline-block;padding:10px 14px;border-radius:999px;border:1.5px solid var(--line);font:500 14px/1 var(--f-body);color:var(--ink-2);text-transform:none;letter-spacing:0;transition:all .2s}
.opts input:checked+span{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.opts input:focus-visible+span{outline:2px solid var(--accent);outline-offset:2px}
.sent{display:grid;gap:14px;justify-items:start;padding:20px 0}
.sent .ok{width:56px;height:56px;border-radius:50%;background:var(--mint);display:grid;place-items:center;color:#fff}
.copy-line{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.copy-line code{font:500 17px/1 var(--f-mono);padding:12px 14px;border-radius:12px;background:var(--surface);border:1px solid var(--line);user-select:all}
.contact-aside{display:grid;gap:30px}
.contact-aside .steps{display:grid;gap:14px}
.contact-aside .steps div{display:grid;grid-template-columns:32px 1fr;gap:12px}
.contact-aside .steps b{width:32px;height:32px;border-radius:50%;border:1.5px solid var(--accent);color:var(--accent);display:grid;place-items:center;font:600 13px/1 var(--f-mono)}
.contact-aside .steps p{color:var(--ink-2)}
.contact-aside .steps strong{display:block;color:var(--ink)}

/* Reveal (starts visible-ish; JS adds motion only) */
.rv{will-change:transform}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  .marquee{animation:none}
}

/* =================================================================
   Site additions (not in the prototype)
   - --ink-3 darkened in both themes so captions meet WCAG AA (brief §7)
   - form error text uses --danger instead of --rose for contrast
   ================================================================= */
.skip{position:fixed;left:16px;top:-60px;z-index:200;background:var(--accent);color:var(--on-accent);padding:10px 16px;border-radius:999px;font-weight:600;text-decoration:none;transition:top .2s}
.skip:focus{top:12px}
main:focus{outline:none}
/* avoid doubled spacing where two paddings meet */
main > .sec:last-child{padding-bottom:0}
.deep-item:last-child{padding-bottom:0}
.logo .logo-svg{height:30px;width:auto;display:block}
@media (max-width:480px){.logo .logo-svg{height:24px}}
main [id]{scroll-margin-top:90px}
.field .err{color:var(--danger)}
.field.bad input,.field.bad textarea{border-color:var(--danger)}
.hp{position:absolute!important;left:-10000px;width:1px;height:1px;overflow:hidden}
.form-err{color:var(--danger);font-size:14.5px;margin:0}
.form-legal{color:var(--ink-3);font-size:13px;margin:0}
.form-legal a{color:inherit}
.foot-base a{color:inherit;text-decoration:none}
a.chip{text-decoration:none;color:inherit}
.foot-base a:hover{color:var(--ink)}
/* Layer stack without the desktop pin: keep the spread stack inside its band */
@media (max-width:900px){.layers{overflow:hidden}}
/* Process ("How we work") on tablet/phone: a swipe row instead of a vertical stack; the progress line follows the swipe */
@media (max-width:760px){
  .proc-track{flex-direction:row;overflow-x:auto;scroll-snap-type:x mandatory;overscroll-behavior-x:contain;-webkit-overflow-scrolling:touch;scrollbar-width:none;scroll-padding-inline:var(--gutter);gap:12px;padding-bottom:4px}
  .proc-track::-webkit-scrollbar{display:none}
  .step{flex:0 0 min(360px,82vw);scroll-snap-align:start}
}
/* Phones: card rows become swipeable, snapping sliders (dots added by site.js) */
.slider-dots{display:none}
@media (max-width:620px){
  .svc-grid,.stack-cats,.why,.eng{grid-template-columns:none;grid-auto-flow:column;grid-auto-columns:82%;gap:12px;overflow-x:auto;scroll-snap-type:x mandatory;overscroll-behavior-x:contain;-webkit-overflow-scrolling:touch;scrollbar-width:none;margin-inline:calc(-1 * var(--gutter));padding-inline:var(--gutter);scroll-padding-inline:var(--gutter);padding-bottom:4px}
  .svc-grid::-webkit-scrollbar,.stack-cats::-webkit-scrollbar,.why::-webkit-scrollbar,.eng::-webkit-scrollbar{display:none}
  .svc-grid>*,.stack-cats>*,.why>*,.eng>*{scroll-snap-align:start;min-width:0}
  .slider-dots{display:flex;justify-content:center;gap:6px;margin-top:16px}
  .slider-dots i{width:6px;height:6px;border-radius:999px;background:var(--line);transition:width .3s,background .3s}
  .slider-dots i.on{width:20px;background:var(--accent)}
}
.legal{max-width:72ch;display:grid;gap:16px;color:var(--ink-2);font-size:17px;padding-bottom:clamp(52px,6.5vw,92px)}
.legal h3{color:var(--ink);font-size:22px;margin-top:18px}
.legal ul{margin:0;padding-left:1.2em;display:grid;gap:8px}
.legal strong{color:var(--ink)}