/*
  AgenticQA — main stylesheet (v1). Dark only (owner decision 2026-10-10).
  Order: fonts · tokens · base · layout (frame, sections) · components (header, hero, decision card, value, approach,
  agentic, about, contact, footer) · responsive. A new section reuses .cut + .in + .sec and the components below.
*/

/* fonts: self-hosted, latin subset, OFL (see assets/fonts/OFL.txt) */
@font-face{font-family:"Mona Sans";src:url("../fonts/MonaSans-latin.woff2") format("woff2");font-weight:400 700;font-stretch:100% 125%;font-style:normal;font-display:swap}
@font-face{font-family:"Geist Mono";src:url("../fonts/GeistMono-latin.woff2") format("woff2");font-weight:400 500;font-style:normal;font-display:swap}

:root{
  --bg:#07080A; --bg-1:#0B0D10; --panel:#111419; --panel-2:#171B21;
  --ink:#F3F4F6; --ink-2:#BCC1C9; --mut:#7D838C; --faint:#3B4048;
  --line:rgba(255,255,255,.08); --line-2:rgba(255,255,255,.14); --line-3:rgba(255,255,255,.3);
  /* three roles, one colour each: AI reasoning, automated proof, human decision */
  --ai:#A6AEFF; --ai-dim:rgba(166,174,255,.12); --ai-line:rgba(166,174,255,.42);
  --pr:#5FD8A9; --pr-dim:rgba(95,216,169,.12); --pr-line:rgba(95,216,169,.42);
  --hu:#F4B860; --hu-dim:rgba(244,184,96,.12); --hu-line:rgba(244,184,96,.45);
  --sans:"Mona Sans",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"Geist Mono",ui-monospace,"SF Mono",Menlo,monospace;
  --frame:1240px; --pad:clamp(20px,4.6vw,64px);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}
body{margin:0;background:var(--bg);color:var(--ink);font:400 17px/1.6 var(--sans);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
body::after{content:"";position:fixed;inset:0;pointer-events:none;z-index:50;opacity:.05;mix-blend-mode:overlay;
  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")}
a{color:inherit;text-decoration:none}
.mono{font-family:var(--mono);font-size:11.5px;letter-spacing:.05em}
.up{text-transform:uppercase;letter-spacing:.09em}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
:focus-visible{outline:2px solid var(--pr);outline-offset:3px;border-radius:4px}
.skip{position:absolute;left:-999px;top:10px;z-index:60;background:var(--ink);color:var(--bg);padding:8px 12px;border-radius:8px}.skip:focus{left:10px}
.ai-c{color:var(--ai)}.pr-c{color:var(--pr)}.hu-c{color:var(--hu)}

/* frame, rails, crosshairs */
.frame{max-width:var(--frame);margin:0 auto;border-left:1px solid var(--line);border-right:1px solid var(--line);position:relative}
.cut{position:relative;border-top:1px solid var(--line)}
.cut>.cx{position:absolute;top:-6px;width:11px;height:11px;z-index:2;background:linear-gradient(var(--line-3),var(--line-3)) center/1px 100% no-repeat,linear-gradient(var(--line-3),var(--line-3)) center/100% 1px no-repeat}
.cut>.cx.l{left:-6px}.cut>.cx.r{right:-6px}
.in{padding-left:var(--pad);padding-right:var(--pad)}

/* header */
header{position:sticky;top:0;z-index:20;background:rgba(7,8,10,.72);backdrop-filter:blur(14px) saturate(1.4);-webkit-backdrop-filter:blur(14px) saturate(1.4);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:11px;font-weight:600;font-size:17px;letter-spacing:-.015em;font-stretch:108%}
.mark{width:22px;height:22px;border-radius:6px;position:relative;background:conic-gradient(from 210deg,var(--ai),var(--pr),var(--hu),var(--ai));padding:1px}
.mark::before{content:"";position:absolute;inset:1px;border-radius:5px;background:#0D0F12}
.mark i{position:absolute;inset:7px;border-radius:2px;background:var(--pr);box-shadow:0 0 10px rgba(95,216,169,.55)}
nav ul{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0}
nav a{display:block;padding:7px 12px;border-radius:8px;font-size:14px;color:var(--ink-2);transition:color .15s,background .15s}
nav a:hover{color:var(--ink);background:rgba(255,255,255,.05)}
nav .navcta{margin-left:6px;border:1px solid var(--line-2);color:var(--ink)}

/* hero: the one luminous moment */
.hero{position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:62px 62px;background-position:-1px -1px;
  -webkit-mask-image:radial-gradient(ellipse 75% 70% at 70% 55%,#000 20%,transparent 72%);mask-image:radial-gradient(ellipse 75% 70% at 70% 55%,#000 20%,transparent 72%);opacity:.8}
.aura{position:absolute;pointer-events:none;left:30%;right:-12%;top:34%;height:80%;filter:blur(64px);opacity:.9;
  background:radial-gradient(40% 55% at 22% 60%,rgba(166,174,255,.42),transparent 70%),radial-gradient(38% 50% at 55% 70%,rgba(95,216,169,.36),transparent 70%),radial-gradient(34% 46% at 86% 62%,rgba(244,184,96,.32),transparent 70%)}
.horizon{position:absolute;left:0;right:0;bottom:0;height:1px;background:linear-gradient(90deg,transparent 5%,rgba(166,174,255,.7) 35%,rgba(95,216,169,.8) 60%,rgba(244,184,96,.7) 85%,transparent 98%)}
.hero-grid{position:relative;padding-top:clamp(48px,8vh,96px);padding-bottom:clamp(72px,11vh,120px)}
.kicker{display:inline-flex;align-items:center;gap:10px;padding:5px 12px 5px 6px;border:1px solid var(--line-2);border-radius:999px;background:rgba(255,255,255,.03);color:var(--ink-2);margin-bottom:30px}
.kicker b{font-weight:500;color:var(--pr);background:var(--pr-dim);padding:2px 8px;border-radius:999px}
h1{margin:0;font-weight:640;font-stretch:112%;font-size:clamp(44px,7.4vw,108px);line-height:.95;letter-spacing:-.05em;color:#fff}
h1 span{display:block}
h1 .glow{background:linear-gradient(90deg,#FFFFFF 0%,#BDF2DC 30%,#6FDDB3 58%,#F4B860 92%);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-row{display:grid;grid-template-columns:minmax(0,.86fr) minmax(0,1.14fr);gap:clamp(36px,5vw,80px);align-items:start;margin-top:clamp(32px,4.5vh,52px)}
.sub{margin:6px 0 0;max-width:30em;font-size:clamp(18px,1.4vw,20px);line-height:1.6;color:var(--ink-2)}
.sub strong{color:var(--ink);font-weight:520}
.legend{display:flex;flex-wrap:wrap;gap:8px 16px;margin-top:26px;color:var(--mut)}
.legend span{display:inline-flex;align-items:center;gap:8px}
.legend i{width:8px;height:8px;border-radius:2px}
.cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.btn{display:inline-flex;align-items:center;gap:10px;height:48px;padding:0 21px;border-radius:11px;font-weight:540;font-size:15px;transition:background .15s,border-color .15s,transform .15s}
.btn .ar{transition:transform .15s}.btn:hover .ar{transform:translateX(3px)}
.btn-p{background:linear-gradient(180deg,#FFFFFF,#DCDFE4);color:#0A0B0D;box-shadow:0 1px 0 rgba(255,255,255,.6) inset,0 10px 30px -10px rgba(255,255,255,.35)}
.btn-p:hover{transform:translateY(-1px)}
.btn-g{border:1px solid var(--line-2);color:var(--ink);background:rgba(255,255,255,.03)}
.btn-g:hover{border-color:var(--line-3);background:rgba(255,255,255,.06)}

/* the decision card */
.card{position:relative;border-radius:18px;padding:1px;background:linear-gradient(135deg,rgba(166,174,255,.55),rgba(255,255,255,.08) 30%,rgba(255,255,255,.06) 65%,rgba(244,184,96,.5));box-shadow:0 50px 100px -40px rgba(0,0,0,.95)}
.card-in{border-radius:17px;background:linear-gradient(180deg,#191D24,#111419 55%,#0E1115);overflow:hidden}
.ch{display:flex;align-items:center;justify-content:space-between;padding:13px 18px;border-bottom:1px solid var(--line)}
.dots{display:flex;gap:6px}.dots i{width:9px;height:9px;border-radius:50%;background:#2B3038}
.ill{color:var(--mut);border:1px solid var(--line);border-radius:6px;padding:2px 8px}
.ct{padding:18px 20px 6px;display:flex;justify-content:space-between;align-items:flex-start;gap:14px}
.ct small{color:var(--mut)}
.ct h3{margin:6px 0 0;font-size:18px;font-weight:560;letter-spacing:-.015em;font-stretch:104%}
.id{color:var(--faint)}
.rows{position:relative;padding:8px 14px 10px}
.row{position:relative;display:grid;grid-template-columns:4px 104px minmax(0,1fr) auto;gap:14px;align-items:center;padding:10px 10px 10px 8px;border-radius:10px;opacity:0;transform:translateY(6px);animation:rise .55s cubic-bezier(.2,.7,.2,1) forwards}
.row:nth-child(1){animation-delay:.2s}.row:nth-child(2){animation-delay:.34s}.row:nth-child(3){animation-delay:.48s}.row:nth-child(4){animation-delay:.62s}.row:nth-child(5){animation-delay:.76s}
@keyframes rise{to{opacity:1;transform:none}}
.row:hover{background:rgba(255,255,255,.03)}
.rail{height:24px;border-radius:2px;background:var(--line-3)}
.r-ai .rail{background:var(--ai)}.r-pr .rail{background:var(--pr)}.r-hu .rail{background:var(--hu)}
.k{color:var(--mut)}
.v{font-size:14.5px;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.v span{color:var(--mut)}
.st{display:inline-flex;align-items:center;gap:6px;padding:3px 9px;border-radius:999px;font-family:var(--mono);font-size:10.5px;letter-spacing:.04em;white-space:nowrap;border:1px solid transparent}
.s-ai{color:var(--ai);background:var(--ai-dim);border-color:rgba(166,174,255,.2)}
.s-pr{color:var(--pr);background:var(--pr-dim);border-color:rgba(95,216,169,.2)}
.s-hu{color:var(--hu);background:var(--hu-dim);border-color:rgba(244,184,96,.22)}
.s-ne{color:var(--ink-2);background:rgba(255,255,255,.05);border-color:var(--line)}
.s-hu::before{content:"";width:5px;height:5px;border-radius:50%;background:currentColor;animation:blink 1.8s ease-in-out infinite}
@keyframes blink{50%{opacity:.3}}
.shots{display:flex;gap:10px;padding:2px 24px 16px 140px}
.shot{flex:1;height:58px;border-radius:7px;border:1px solid var(--line-2);background:linear-gradient(180deg,#1C2129,#13161B);position:relative;overflow:hidden}
.shot::before{content:"";position:absolute;left:8px;right:22px;top:9px;height:5px;border-radius:3px;background:rgba(255,255,255,.14)}
.shot::after{content:"";position:absolute;left:8px;width:46%;bottom:9px;height:14px;border-radius:4px;background:var(--c,rgba(255,255,255,.1))}
.shot:nth-child(1){--c:rgba(166,174,255,.35)}.shot:nth-child(2){--c:rgba(95,216,169,.35)}.shot:nth-child(3){--c:rgba(244,184,96,.4)}
.cf{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 18px;border-top:1px solid var(--line);background:linear-gradient(90deg,rgba(244,184,96,.07),transparent 60%)}
.cf .note{color:var(--hu)}
.acts{display:flex;gap:8px}
.mini{height:32px;padding:0 13px;border-radius:8px;border:1px solid var(--line-2);display:inline-flex;align-items:center;font-size:13px;color:var(--ink-2)}
.mini.p{background:var(--ink);color:#0A0B0D;border-color:transparent;font-weight:560}

/* sections */
.sec{padding-top:clamp(88px,12vh,136px);padding-bottom:clamp(88px,12vh,136px)}
.label{display:flex;align-items:center;gap:12px;color:var(--mut);margin:0 0 26px}
.label b{color:var(--ink);font-weight:500}
.label::after{content:"";flex:1;max-width:120px;height:1px;background:var(--line-2)}
h2{margin:0;font-weight:620;font-stretch:110%;font-size:clamp(34px,4.4vw,60px);line-height:1.02;letter-spacing:-.042em}
h2 .dim{color:var(--mut)}
.lead{margin:22px 0 0;max-width:36em;font-size:19px;line-height:1.62;color:var(--ink-2)}
.lead.hi{color:var(--ink)}

/* value: each block in its role colour */
.bento{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:8px}
.b{--c:var(--pr);--cd:var(--pr-dim);--cl:var(--pr-line);position:relative;overflow:hidden;border:1px solid var(--line);border-radius:18px;padding:28px 26px 30px;
  background:radial-gradient(120% 60% at 50% 0%,var(--cd),transparent 60%),linear-gradient(180deg,var(--panel),var(--bg-1));transition:border-color .2s,transform .2s}
.b:hover{border-color:var(--cl);transform:translateY(-2px)}
.b::before{content:"";position:absolute;inset:0;opacity:0;transition:opacity .25s;pointer-events:none;background:radial-gradient(380px circle at var(--x,50%) var(--y,0%),rgba(255,255,255,.07),transparent 45%)}
.b:hover::before{opacity:1}
.b.ai{--c:var(--ai);--cd:var(--ai-dim);--cl:var(--ai-line)}
.b.hu{--c:var(--hu);--cd:var(--hu-dim);--cl:var(--hu-line)}
.b .n{display:flex;justify-content:space-between;color:var(--c);margin-bottom:22px}
.b .n em{font-style:normal;color:var(--mut)}
.b h3{margin:30px 0 10px;font-size:23px;font-weight:600;letter-spacing:-.025em;font-stretch:106%}
.b p{margin:0;color:var(--ink-2);font-size:16px;line-height:1.6}
.viz{position:relative;height:170px;border:1px solid var(--line);border-radius:12px;background:rgba(0,0,0,.28);overflow:hidden;font-family:var(--mono);font-size:10.5px;letter-spacing:.03em;color:var(--mut)}
.track{position:absolute;left:24px;right:24px;top:48%;height:1px;background:linear-gradient(90deg,var(--line-2),var(--ai-line) 50%,var(--pr))}
.run{position:absolute;top:calc(48% - 1px);left:24px;width:60px;height:3px;border-radius:2px;background:linear-gradient(90deg,transparent,var(--ai));filter:drop-shadow(0 0 6px rgba(166,174,255,.8));animation:run 3.4s cubic-bezier(.5,0,.5,1) infinite}
@keyframes run{0%{left:24px;opacity:0}12%{opacity:1}88%{opacity:1}100%{left:calc(100% - 84px);opacity:0}}
.nd{position:absolute;top:48%;transform:translate(-50%,-50%);width:11px;height:11px;border-radius:50%;border:1px solid var(--line-3);background:var(--bg)}
.nd.m{border-color:var(--ai);box-shadow:0 0 0 4px var(--ai-dim)}
.nd.e{border-color:var(--pr);background:var(--pr);box-shadow:0 0 0 5px var(--pr-dim),0 0 18px rgba(95,216,169,.5)}
.nl{position:absolute;top:calc(48% + 16px);transform:translateX(-50%);white-space:nowrap}
.nl.e{color:var(--pr)}
.chip{position:absolute;left:24px;top:18px;padding:3px 8px;border:1px solid var(--ai-line);border-radius:6px;color:var(--ai);background:var(--ai-dim)}
.ev{position:absolute;inset:16px;display:flex;flex-direction:column;gap:7px}
.ev div{display:grid;grid-template-columns:16px 1fr auto;gap:10px;align-items:center;padding:7px 10px;border:1px solid var(--line);border-radius:8px;background:rgba(255,255,255,.02);color:var(--ink-2)}
.ev i{width:12px;height:14px;border:1px solid var(--pr-line);border-radius:2px;background:var(--pr-dim)}
.ev b{font-weight:400;color:var(--pr)}
.bd{position:absolute;inset:16px;border:1px dashed var(--hu-line);border-radius:10px}
.bd>span{position:absolute;top:-8px;left:12px;background:#0C0E11;padding:0 6px;color:var(--hu)}
.zai{position:absolute;left:30px;top:34px;bottom:30px;width:44%;border:1px solid var(--ai-line);border-radius:8px;background:var(--ai-dim);display:grid;place-items:center;color:var(--ai);text-align:center;padding:6px}
.zpr{position:absolute;right:30px;top:34px;height:calc(50% - 30px);width:36%;border:1px solid var(--pr-line);border-radius:8px;display:grid;place-items:center;color:var(--pr);background:var(--pr-dim)}
.zhu{position:absolute;right:30px;bottom:30px;height:calc(50% - 30px);width:36%;border:1px solid var(--hu-line);border-radius:8px;display:grid;place-items:center;color:var(--hu);background:var(--hu-dim)}

/* approach: a quieter band, then the three roles in colour */
.band{background:linear-gradient(180deg,#0B0D11,#090A0D)}
.phil{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);column-gap:clamp(36px,5vw,84px)}
.phil h2{grid-column:1/-1;margin-bottom:clamp(28px,4vh,44px)}
.phil h2 span{display:block}
.phil>div{grid-column:2}
.trio{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:68px}
.t{--c:var(--ai);position:relative;border-radius:16px;padding:26px 26px 32px;border:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,.025),transparent)}
.t::before{content:"";position:absolute;left:22px;right:22px;top:-1px;height:1px;background:linear-gradient(90deg,transparent,var(--c),transparent)}
.t.pr{--c:var(--pr)}.t.hu{--c:var(--hu)}
.t .mono{display:flex;align-items:center;gap:8px;color:var(--c);margin-bottom:48px}
.t .mono::before{content:"";width:7px;height:7px;border-radius:2px;background:var(--c);box-shadow:0 0 10px var(--c)}
.t p{margin:0;font-size:clamp(26px,2.6vw,38px);line-height:1.08;letter-spacing:-.035em;font-weight:580;font-stretch:108%;color:var(--ink-2)}
.t p b{font-weight:640;color:var(--c)}

/* agentic: visual first, then words */
.ag{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:clamp(36px,5vw,84px);align-items:center}
.loop{position:relative;border:1px dashed var(--hu-line);border-radius:20px;padding:50px 28px 30px;background:radial-gradient(ellipse 70% 70% at 30% 0%,rgba(166,174,255,.09),transparent 70%),radial-gradient(ellipse 60% 60% at 90% 100%,rgba(95,216,169,.08),transparent 70%)}
.loop>.lbl{position:absolute;top:-9px;left:20px;background:var(--bg);padding:0 8px;color:var(--hu)}
.steps{position:relative;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
.steps::before{content:"";position:absolute;left:12.5%;right:12.5%;top:25px;height:1px;background:linear-gradient(90deg,var(--line-3),var(--ai-line) 40%,var(--pr-line))}
.step{position:relative;text-align:center}
.step i{display:grid;place-items:center;width:50px;height:50px;margin:0 auto 14px;border-radius:14px;border:1px solid var(--line-2);background:linear-gradient(180deg,#1A1E25,#101317);font-style:normal;font-family:var(--mono);font-size:11px;color:var(--ink-2)}
.step.ai i{border-color:var(--ai-line);color:var(--ai);background:var(--ai-dim)}
.step.pr i{border-color:var(--pr-line);color:var(--pr);background:var(--pr-dim);box-shadow:0 0 22px -6px rgba(95,216,169,.6)}
.step b{display:block;font-weight:580;font-size:15px;font-stretch:104%}
.step small{display:block;color:var(--mut);font-size:13px;line-height:1.4;margin-top:2px}
.back{margin-top:24px;display:flex;justify-content:center;align-items:center;gap:8px;color:var(--mut)}

/* about */
.about{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.pan{border:1px solid var(--line);border-radius:18px;background:linear-gradient(180deg,var(--panel),var(--bg-1));padding:clamp(28px,3.4vw,48px)}
.pan .ph{margin:0 0 20px;font-size:clamp(26px,2.6vw,36px);font-weight:600;letter-spacing:-.03em;font-stretch:108%;line-height:1.08}
.pan p{margin:0 0 16px;color:var(--ink-2);font-size:17px;line-height:1.66}
.who{display:flex;align-items:center;gap:16px;margin-bottom:26px}
.av{width:60px;height:60px;border-radius:50%;padding:2px;background:conic-gradient(from 200deg,var(--ai),var(--pr),var(--hu),var(--ai))}
.av span{display:grid;place-items:center;width:100%;height:100%;border-radius:50%;background:#12151A;font-weight:620;font-stretch:110%;color:var(--ink)}
.who b{display:block;font-weight:580}
.who small{color:var(--mut)}

/* contact */
.contact{position:relative;overflow:hidden;border:1px solid var(--line-2);border-radius:22px;padding:clamp(36px,6vw,76px);
  background:radial-gradient(45% 80% at 100% 0%,rgba(244,184,96,.12),transparent 65%),radial-gradient(40% 70% at 0% 100%,rgba(166,174,255,.10),transparent 65%),linear-gradient(180deg,#0F1216,#0A0B0E)}
.contact::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.1) 1px,transparent 1px);background-size:20px 20px;
  -webkit-mask-image:linear-gradient(100deg,transparent 40%,#000 95%);mask-image:linear-gradient(100deg,transparent 40%,#000 95%);opacity:.5}
.contact>*{position:relative}
.crow{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:30px}
.crow>div{flex:1 1 520px;max-width:680px}

/* footer */
footer .meta{display:flex;flex-wrap:wrap;gap:12px 28px;align-items:center;justify-content:space-between;padding-top:30px;padding-bottom:26px;color:var(--mut);font-size:13.5px}
.live{display:inline-flex;align-items:center;gap:9px}
.live::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--pr);box-shadow:0 0 0 3px var(--pr-dim)}
.word{display:block;font-weight:700;font-stretch:125%;letter-spacing:-.06em;line-height:.8;font-size:clamp(64px,15.5vw,212px);text-align:center;white-space:nowrap;
  background:linear-gradient(180deg,rgba(255,255,255,.16),rgba(255,255,255,0) 85%);-webkit-background-clip:text;background-clip:text;color:transparent;user-select:none;margin-bottom:-.06em;overflow:hidden}

@media (max-width:1000px){
  .hero-row,.phil,.ag,.about{grid-template-columns:minmax(0,1fr)}
  .phil>div{grid-column:1}
  .bento,.trio{grid-template-columns:minmax(0,1fr)}
  .ag .loop{order:2}
}
@media (max-width:640px){
  .frame{border-left:0;border-right:0}.cut>.cx{display:none}
  nav li:not(:last-child){display:none}
  .row{grid-template-columns:4px minmax(0,1fr) auto}.row .k{display:none}
  .v{white-space:normal}
  .shots{padding-left:22px}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:24px}.steps::before{display:none}
  .cf{flex-direction:column;align-items:flex-start}
  .ct .id{display:none}
  .aura{left:-20%;right:-20%;bottom:-30%}
  /* phone rhythm: tighter sections, full-width actions, roomier diagrams */
  .sec{padding-top:72px;padding-bottom:72px}
  h1{font-size:10.6vw}
  .hero-grid{padding-top:40px;padding-bottom:64px}
  .cta .btn{width:100%;justify-content:center}
  .viz{height:190px}
  .t .mono{margin-bottom:20px}
  .label{margin-bottom:20px}
}

/* contact: the e-mail beside the LinkedIn button */
.mail{display:inline-flex;align-items:center;gap:8px;margin-top:18px;color:var(--ink-2);font-size:16px;border-bottom:1px solid var(--line-2);padding-bottom:2px;transition:color .15s,border-color .15s}
.mail:hover{color:var(--ink);border-color:var(--line-3)}
.cbtns{display:flex;flex-direction:column;align-items:flex-start;gap:4px}
/* 404 */
.nf{min-height:70vh;display:flex;flex-direction:column;justify-content:center}
.nf h1{font-size:clamp(44px,7vw,96px)}