/* ═══════════════════════════════════════════════════════════
   Gigapath.ai — sectioned advisory layout, dark instrument palette
   Display: Archivo · Body: Hanken Grotesk · Data/eyebrows: mono/Archivo
   Fonts self-hosted (latin woff2) for speed + a tight CSP.
   ═══════════════════════════════════════════════════════════ */

@font-face { font-family:"Archivo"; font-style:normal; font-weight:400 850; font-display:swap; src:url("assets/fonts/archivo-var.woff2") format("woff2"); }
@font-face { font-family:"Hanken Grotesk"; font-style:normal; font-weight:400 600; font-display:swap; src:url("assets/fonts/hanken-var.woff2") format("woff2"); }
@font-face { font-family:"IBM Plex Mono"; font-style:normal; font-weight:400; font-display:swap; src:url("assets/fonts/plex-mono-400.woff2") format("woff2"); }
@font-face { font-family:"IBM Plex Mono"; font-style:normal; font-weight:500; font-display:swap; src:url("assets/fonts/plex-mono-500.woff2") format("woff2"); }

:root{
  --bg:#070b11;
  --panel:#0b1119;
  --panel-2:#0f1620;
  --panel-3:#131d29;
  --line:#1a2531;
  --line-2:#25333f;
  --ink:#eaf1f8;
  --dim:#9fb1c4;
  --faint:#7d8fa5;
  --brand:#2f83ef;
  --brand-2:#57bbf7;
  --brand-ink:#04101d;
  --amber:#f4a63a;
  --signal:#4fd39a;
  --pop:#5cc8ff;

  --display:"Archivo","Segoe UI",system-ui,sans-serif;
  --body:"Hanken Grotesk","Segoe UI",system-ui,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Consolas,monospace;

  --maxw:1180px;
  --pad-x:clamp(20px,4vw,40px);
  --sec-y:clamp(72px,10vw,132px);
  --radius:14px;
  --ease:cubic-bezier(.22,1,.36,1);
  --shadow:0 1px 2px rgba(2,6,12,.6),0 16px 40px -16px rgba(2,8,18,.7),0 40px 90px -46px rgba(47,131,239,.24);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{
  background:var(--bg);color:var(--ink);font-family:var(--body);
  font-size:17px;line-height:1.62;-webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:
    radial-gradient(1000px 620px at 85% -8%,rgba(47,131,239,.14),transparent 62%),
    radial-gradient(760px 560px at 4% 6%,rgba(87,187,247,.06),transparent 58%);
}
.grain{position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.04;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='150' height='150'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='150' height='150' filter='url(%23n)'/%3E%3C/svg%3E");}
img,svg{display:block}
img{max-width:100%}
a{color:inherit;text-decoration:none}
::selection{background:rgba(47,131,239,.34);color:#fff}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--pad-x)}

/* ── type ─────────────────────────────────────────────── */
h1,h2,h3{font-family:var(--display);font-weight:800;letter-spacing:-.03em;line-height:1.06;text-wrap:balance}
.hl{background:linear-gradient(96deg,var(--brand-2),var(--brand));-webkit-background-clip:text;background-clip:text;color:transparent}

.eyebrow{
  font-family:var(--display);font-weight:800;font-size:13px;
  letter-spacing:.13em;text-transform:uppercase;color:var(--brand-2);
  margin-bottom:16px;
}

.section-head{max-width:760px;margin-bottom:clamp(38px,5vw,60px)}
.section-head h2{font-size:clamp(29px,3.8vw,46px)}
.section-sub{margin-top:16px;color:var(--dim);font-size:clamp(16px,1.4vw,18.5px);max-width:56ch}

/* ── buttons ──────────────────────────────────────────── */
.btn{
  --_bd:transparent;display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-family:var(--mono);font-weight:500;font-size:14px;letter-spacing:.01em;line-height:1;
  padding:14px 24px;border-radius:9px;border:1px solid var(--_bd);cursor:pointer;
  transition:transform .22s var(--ease),background-color .2s ease,border-color .2s ease,color .2s ease;
}
.btn:active{transform:translateY(1px) scale(.99)}
.btn:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px}
.btn-primary{color:var(--brand-ink);background:linear-gradient(96deg,var(--brand-2),var(--brand));box-shadow:0 10px 30px -12px rgba(47,131,239,.7)}
.btn-primary:hover{transform:translateY(-2px)}
.btn-ghost{color:var(--ink);--_bd:var(--line-2);background:rgba(19,29,41,.4)}
.btn-ghost:hover{transform:translateY(-2px);--_bd:var(--brand);color:var(--brand-2)}
.btn-nav{padding:11px 18px;font-size:13px}
.btn-lg{padding:17px 34px;font-size:15px}
.btn-wide{width:100%}

/* ── header / nav ─────────────────────────────────────── */
.site-header{position:sticky;top:0;z-index:60;background:rgba(7,11,17,.82);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:70px;gap:20px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink)}
.brand img{border-radius:7px}
.brand-word{font-family:var(--display);font-weight:800;font-size:19px;letter-spacing:-.02em}
.brand-dot{color:var(--brand-2)}
.nav-links{display:flex;align-items:center;gap:clamp(18px,2.4vw,34px);margin-left:auto}
.nav-links a{color:var(--dim);font-size:14.5px;font-weight:500;position:relative;padding:6px 0;transition:color .2s ease}
.nav-links a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:1.5px;background:linear-gradient(90deg,var(--brand-2),var(--brand));transition:right .3s var(--ease)}
.nav-links a:hover,.nav-links a:focus-visible{color:var(--ink);outline:none}
.nav-links a:hover::after,.nav-links a:focus-visible::after{right:0}
.btn-nav{margin-left:0}
.nav-toggle{display:none;flex-direction:column;gap:4px;background:none;border:1px solid var(--line-2);border-radius:8px;padding:11px 10px;cursor:pointer}
.nav-toggle span{width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .25s var(--ease),opacity .2s}
.nav-toggle:focus-visible{outline:2px solid var(--brand-2);outline-offset:2px}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ── hero (centered over colo image) ──────────────────── */
.hero{position:relative;overflow:hidden;min-height:clamp(540px,86vh,840px);display:flex;align-items:center;text-align:center;padding:clamp(72px,12vh,120px) 0;border-bottom:1px solid var(--line)}
.hero-media{position:absolute;inset:0;z-index:0}
.hero-media img{width:100%;height:100%;object-fit:cover;object-position:center}
.hero-media::before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(47,131,239,.34),rgba(7,11,17,.5));mix-blend-mode:multiply}
.hero-media::after{content:"";position:absolute;inset:0;background:
  radial-gradient(120% 100% at 50% 42%,rgba(7,11,17,.36),rgba(7,11,17,.74) 78%),
  linear-gradient(180deg,rgba(7,11,17,.6),transparent 24%,transparent 68%,var(--bg))}
.hero-inner{position:relative;z-index:1;max-width:940px;margin:0 auto;display:flex;flex-direction:column;align-items:center}
.hero-title{font-size:clamp(40px,6.6vw,86px);line-height:.98;letter-spacing:-.04em;max-width:15ch}
.hero-sub{margin-top:clamp(20px,2.6vw,30px);color:#d3deea;font-size:clamp(17px,1.7vw,21px);max-width:58ch;line-height:1.55}
.hero .btn-lg{margin-top:clamp(28px,3.4vw,40px)}

/* ── positioning / thesis ─────────────────────────────── */
.positioning{padding:var(--sec-y) 0;text-align:center}
.positioning .wrap{max-width:1120px}
.thesis-lead{font-family:var(--display);font-weight:800;font-size:clamp(24px,3.5vw,44px);line-height:1.12;letter-spacing:-.03em;color:var(--ink);max-width:none;margin:0 auto}
.tl-top{display:block}
.tl-bot{display:block;margin-top:.06em}
.thesis-body{margin:clamp(28px,3.4vw,42px) auto 0;color:var(--dim);font-size:clamp(16.5px,1.5vw,19px);line-height:1.6;max-width:64ch}
.no-strings{margin:clamp(28px,3.4vw,40px) auto 0;max-width:720px;background:var(--panel-2);border:1px solid var(--line);border-left:3px solid var(--brand);border-radius:12px;padding:22px 28px;text-align:left;color:var(--ink);font-size:clamp(15.5px,1.4vw,17.5px)}

/* growing "unprecedented speed" */
.speed{display:inline-block;font-family:var(--display);font-weight:800;color:var(--pop);transform:skewX(-8deg);padding:0 .05em;vertical-align:baseline}
.speed .word{white-space:nowrap}
.speed .ltr{display:inline-block;position:relative;
  font-size:calc(1em + var(--li,0) * .04em);
  top:calc(var(--li,0) * -.014em);
  text-shadow:0 0 calc(5px + var(--li,0) * 1.5px) rgba(92,200,255,.5);
  transition:transform .5s var(--ease),opacity .4s ease;
  transition-delay:calc(var(--li,0) * 24ms);
}
.js .speed .ltr{opacity:0;transform:translateY(.45em) scale(.58) rotate(-3deg)}
.js .speed.in .ltr{opacity:1;transform:none}

/* ── services ─────────────────────────────────────────── */
.services{padding:var(--sec-y) 0;background:#090f16;border-top:1px solid var(--line)}
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.svc-card{background:var(--panel-2);border:1px solid var(--line);border-radius:var(--radius);padding:34px 30px;display:flex;flex-direction:column;transition:transform .2s var(--ease),border-color .2s ease,box-shadow .2s ease}
.svc-card:hover{transform:translateY(-4px);border-color:var(--line-2);box-shadow:var(--shadow)}
.svc-icon{width:46px;height:46px;border-radius:11px;background:rgba(47,131,239,.13);display:grid;place-items:center;margin-bottom:22px}
.svc-icon svg{width:24px;height:24px;stroke:var(--brand-2);stroke-width:1.7;fill:none;stroke-linecap:round;stroke-linejoin:round}
.svc-card h3{font-size:21px;font-weight:700;margin-bottom:13px;line-height:1.22}
.svc-card>p{font-size:15.5px;color:var(--dim);margin-bottom:24px}
.svc-list{list-style:none;border-top:1px solid var(--line);margin-top:auto}
.svc-list li{padding:13px 0 13px 26px;border-bottom:1px solid var(--line);font-size:14.6px;line-height:1.5;color:var(--ink);position:relative}
.svc-list li:last-child{border-bottom:0}
.svc-list li::before{content:"";position:absolute;left:2px;top:20px;width:12px;height:7px;border-left:2px solid var(--brand-2);border-bottom:2px solid var(--brand-2);transform:rotate(-48deg)}

/* ── approach (dark band + timeline) ──────────────────── */
.approach{padding:var(--sec-y) 0;background:linear-gradient(180deg,var(--panel-2),var(--panel));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.approach-grid{display:grid;grid-template-columns:1fr;gap:clamp(40px,6vw,72px)}
.approach-intro h2{font-size:clamp(27px,3.4vw,42px);line-height:1.12}
.approach-intro .section-sub{max-width:34ch}
.steps{position:relative;list-style:none}
.steps::before{content:"";position:absolute;left:26px;top:30px;bottom:34px;border-left:2px dashed rgba(47,131,239,.35)}
.step{position:relative;padding:0 0 clamp(30px,3.4vw,42px) 84px}
.step:last-child{padding-bottom:0}
.step-node{position:absolute;left:0;top:-2px;width:54px;height:54px;border-radius:50%;background:var(--bg);border:2px solid var(--brand);display:grid;place-items:center;color:var(--brand-2);box-shadow:0 0 18px rgba(47,131,239,.28)}
.step-node svg{width:23px;height:23px;stroke:currentColor;stroke-width:1.7;fill:none;stroke-linecap:round;stroke-linejoin:round}
.step h3{font-size:21px;font-weight:700;color:var(--ink);margin:8px 0 8px}
.step p{font-size:15.6px;color:var(--dim);max-width:54ch}

/* ── who we serve (2×2) ───────────────────────────────── */
.serve{padding:var(--sec-y) 0;background:#090f16}
.serve-grid{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--panel)}
.serve-cell{padding:clamp(28px,3.2vw,42px);border-right:1px solid var(--line);border-bottom:1px solid var(--line);display:flex;gap:18px;align-items:flex-start;transition:background-color .2s ease}
.serve-cell:hover{background:var(--panel-2)}
.serve-cell:nth-child(2n){border-right:0}
.serve-cell:nth-child(3),.serve-cell:nth-child(4){border-bottom:0}
.serve-marker{flex:none;width:12px;height:12px;border-radius:3px;background:var(--brand-2);transform:rotate(45deg);margin-top:8px}
.serve-cell p{font-size:clamp(16.5px,1.7vw,19.5px);line-height:1.45;font-weight:600;color:var(--ink)}

/* ── why (dark band cards) ────────────────────────────── */
.why{padding:var(--sec-y) 0;background:linear-gradient(180deg,var(--panel),var(--panel-2));border-top:1px solid var(--line)}
.why-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.why-card{background:var(--panel-3);border:1px solid var(--line);border-radius:var(--radius);padding:34px 32px;transition:border-color .2s ease,transform .2s var(--ease)}
.why-card:hover{border-color:rgba(47,131,239,.5);transform:translateY(-3px)}
.why-card h3{font-size:20px;font-weight:700;color:var(--brand-2);margin-bottom:11px}
.why-card p{font-size:15.5px;color:var(--dim);line-height:1.6}

/* ── about (split) ────────────────────────────────────── */
.about{padding:var(--sec-y) 0;background:#090f16}
.about-grid{display:grid;grid-template-columns:1fr;gap:clamp(28px,4vw,64px);align-items:start}
.about-head h2{font-size:clamp(28px,3.6vw,44px)}
.about-body p{font-size:clamp(17px,1.6vw,19.5px);line-height:1.7;color:var(--ink)}
.about-path{margin-top:32px;display:flex;align-items:center;font-family:var(--mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--faint);flex-wrap:wrap;row-gap:12px}
.about-path .stop{display:flex;align-items:center;gap:9px;white-space:nowrap}
.about-path .dot{width:8px;height:8px;border-radius:50%;background:var(--brand-2);flex:none}
.about-path .seg{width:44px;height:0;border-top:2px dashed var(--line-2);margin:0 12px;flex:none}

/* ── contact (dark band + form) ───────────────────────── */
.contact{position:relative;overflow:hidden;padding:var(--sec-y) 0;background:linear-gradient(180deg,var(--panel-2),var(--panel));border-top:1px solid var(--line)}
.contact-bg{position:absolute;inset:0;z-index:0;background:radial-gradient(640px 420px at 22% 18%,rgba(47,131,239,.16),transparent 66%)}
.contact-inner{position:relative;z-index:1;display:grid;grid-template-columns:1fr;gap:clamp(32px,4vw,60px);align-items:start}
.contact-copy h2{font-size:clamp(30px,4vw,50px)}
.contact-copy>p{margin-top:18px;color:var(--dim);max-width:46ch}
.contact-direct{font-size:15px}
.contact-direct a{color:var(--brand-2);border-bottom:1px solid rgba(87,187,247,.4);transition:border-color .2s}
.contact-direct a:hover{border-color:var(--brand-2)}
.contact-direct a:focus-visible{outline:2px solid var(--brand-2);outline-offset:2px}

.contact-form{border:1px solid var(--line-2);border-radius:14px;overflow:hidden;background:linear-gradient(180deg,var(--panel-2),var(--panel));box-shadow:var(--shadow)}
.form-bar{display:flex;align-items:center;gap:10px;padding:12px 18px;border-bottom:1px solid var(--line-2);background:rgba(19,29,41,.5);font-family:var(--mono);font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--dim)}
.led{width:8px;height:8px;border-radius:50%;flex:none;background:var(--signal);box-shadow:0 0 10px var(--signal);animation:led 2.6s ease-in-out infinite}
@keyframes led{0%,100%{opacity:1}50%{opacity:.35}}
.form-body{padding:clamp(20px,2.6vw,30px)}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{margin-bottom:15px}
.field label{display:block;font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:.09em;color:var(--dim);margin-bottom:8px}
.field input,.field textarea{width:100%;background:var(--bg);border:1px solid var(--line-2);border-radius:9px;color:var(--ink);font-family:var(--body);font-size:15.5px;padding:12px 14px;resize:vertical;transition:border-color .2s ease,box-shadow .2s ease}
.field input:hover,.field textarea:hover{border-color:var(--faint)}
.field input:focus-visible,.field textarea:focus-visible{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(47,131,239,.24)}
.gotcha{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.cf-turnstile{margin:2px 0 16px;min-height:65px}
.form-status{margin-top:14px;font-family:var(--mono);font-size:13px;color:var(--dim);min-height:1.3em}
.form-status.ok{color:var(--signal)}
.form-status.err{color:var(--amber)}

/* ── footer ───────────────────────────────────────────── */
.site-footer{background:#05080c;border-top:1px solid var(--line);padding:clamp(56px,6vw,76px) 0 36px}
.foot-top{display:grid;grid-template-columns:1fr;gap:36px;padding-bottom:clamp(36px,4vw,52px);border-bottom:1px solid var(--line)}
.foot-brand .brand{margin-bottom:16px}
.foot-brand p{font-size:15px;color:var(--dim);max-width:32ch}
.foot-h{font-family:var(--display);font-weight:800;font-size:12.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink);margin-bottom:16px}
.foot-col a{display:block;font-size:14.5px;color:var(--dim);padding:6px 0;transition:color .2s ease}
.foot-col a:hover{color:var(--brand-2)}
.foot-col a:focus-visible{outline:2px solid var(--brand-2);outline-offset:2px}
.foot-bottom{padding-top:28px;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;font-family:var(--mono);font-size:12.5px;color:var(--faint)}
.foot-motif{color:var(--brand-2);opacity:.8}

/* ── privacy page ─────────────────────────────────────── */
.legal-top{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px var(--pad-x);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;background:rgba(7,11,17,.85);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}
.legal{max-width:820px;margin:0 auto;padding:clamp(48px,7vw,96px) var(--pad-x) clamp(64px,9vw,120px)}
.legal h1{font-family:var(--display);font-weight:800;font-size:clamp(34px,5vw,58px);letter-spacing:-.03em;margin-bottom:12px}
.legal .updated{font-family:var(--mono);font-size:12.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--faint);margin-bottom:clamp(28px,4vw,44px)}
.legal h2{font-family:var(--display);font-weight:700;font-size:clamp(20px,2.4vw,26px);letter-spacing:-.02em;margin:clamp(30px,4vw,44px) 0 12px}
.legal p,.legal li{color:var(--dim);max-width:72ch}
.legal ul{padding-left:20px;margin:12px 0;display:flex;flex-direction:column;gap:8px}
.legal a{color:var(--brand-2);text-decoration:underline;text-underline-offset:2px}
.legal strong{color:var(--ink);font-weight:600}
.legal-home{color:var(--brand-2);text-decoration:underline;text-underline-offset:2px}

/* ── reveals (gated on .js; content shows if JS is off) ─ */
.js .reveal{opacity:0;transform:translateY(20px)}
.js .reveal.in{opacity:1;transform:none;transition:opacity .7s ease,transform .8s var(--ease)}
.js .reveal.delay-1.in{transition-delay:.08s}
.js .reveal.delay-2.in{transition-delay:.16s}

/* ── responsive ───────────────────────────────────────── */
@media (min-width:900px){
  .tl-top,.tl-bot{white-space:nowrap}
  .approach-grid{grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(48px,6vw,88px)}
  .about-grid{grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:clamp(48px,6vw,80px)}
  .contact-inner{grid-template-columns:1fr 1fr}
  .foot-top{grid-template-columns:minmax(0,5fr) repeat(3,minmax(0,2.2fr));gap:44px}
}
@media (max-width:899px){
  .svc-grid{grid-template-columns:1fr}
}
@media (max-width:760px){
  .nav-links{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:0;background:rgba(7,11,17,.98);border-bottom:1px solid var(--line-2);padding:8px var(--pad-x) 16px;margin-left:0}
  .nav-links.open{display:flex}
  .nav-links a{padding:14px 0;font-size:16px;border-bottom:1px solid var(--line)}
  .nav-links a::after{display:none}
  .btn-nav{display:none}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .why-grid,.serve-grid{grid-template-columns:1fr}
  .serve-cell{border-right:0 !important;border-bottom:1px solid var(--line) !important}
  .serve-cell:last-child{border-bottom:0 !important}
}
@media (max-width:520px){
  .field-row{grid-template-columns:1fr}
  .foot-bottom{flex-direction:column;gap:10px}
  .step{padding-left:74px}
  .step-node{width:48px;height:48px}
  .steps::before{left:23px}
}
/* let the growing phrase wrap by word instead of overflowing narrow screens */
@media (max-width:680px){
  .thesis-lead{font-size:23px;line-height:1.34;max-width:100%}
  .speed{display:inline;transform:none;padding:0}
  .speed .ltr{font-size:calc(1em + var(--li,0) * .018em);top:0;text-shadow:0 0 8px rgba(92,200,255,.5)}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js .reveal,.js .speed span{opacity:1;transform:none}
  .led{animation:none}
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important}
}