/* SilicoVision — Apple-style light theme (v2, 2026-11-15). Previous dark theme kept in site-v1-dark.css. */
:root{
  --bg:#ffffff; --bg2:#f5f5f7; --line:#d2d2d7;
  --ink:#1d1d1f; --dim:#6e6e73; --accent:#0071e3; --link:#0066cc;
  --max:1024px;
  --sans:-apple-system,BlinkMacSystemFont,"SF Pro Text","SF Pro Display","Inter","Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.47 var(--sans);letter-spacing:-.022em;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:var(--link);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:var(--max);margin:0 auto;padding:0 22px}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:#fff;padding:8px 14px;border-radius:8px;z-index:100}
.skip:focus{left:12px}
.ambient{display:none}

/* wordmark */
.brand{text-decoration:none!important;color:var(--ink)}
.wordmark{font-size:19px;font-weight:600;letter-spacing:-.02em;color:var(--ink)}

/* global nav — translucent bar, full width (apple.com) */
.nav{position:sticky;top:0;z-index:20;height:52px;display:flex;align-items:center;gap:24px;
  padding:0 max(22px,calc((100% - var(--max))/2 + 22px));
  background:rgba(255,255,255,.72);-webkit-backdrop-filter:saturate(180%) blur(20px);backdrop-filter:saturate(180%) blur(20px);
  border-bottom:1px solid rgba(0,0,0,.08)}
.nav-links{list-style:none;display:flex;align-items:center;gap:28px;margin:0 0 0 auto;padding:0}
.nav-links a{color:var(--ink);opacity:.8;font-size:13px;letter-spacing:-.01em}
.nav-links a:hover,.nav-links a[aria-current]{opacity:1;text-decoration:none}
.nav-toggle{display:none;margin-left:auto;background:none;border:0;color:var(--ink);width:44px;height:44px;cursor:pointer}
.nav-toggle svg{width:20px;height:20px}
main{padding-top:0}

/* type */
.eyebrow{color:var(--dim);font-size:17px;font-weight:600;margin:0 0 8px;letter-spacing:-.01em}
h1{font-size:64px;line-height:1.05;letter-spacing:-.03em;font-weight:700;margin:0 0 16px}
h2{font-size:40px;line-height:1.1;letter-spacing:-.03em;font-weight:700;margin:0 0 36px;color:var(--ink)}
h3{font-size:24px;line-height:1.17;letter-spacing:-.02em;font-weight:600;margin:0 0 10px}
p{margin:0 0 16px}
.lede{font-size:24px;line-height:1.33;color:var(--dim);margin:0 auto;max-width:34ch;font-weight:400}
.muted{color:var(--dim)}

/* buttons — Apple pills */
.btn{display:inline-block;font-size:17px;font-weight:400;padding:11px 22px;border-radius:980px;
  background:var(--accent);color:#fff;border:1px solid var(--accent);cursor:pointer;text-decoration:none!important;line-height:1.2}
.btn:hover{background:#0077ed}
.btn-glass{background:transparent;color:var(--accent)}
.btn-glass:hover{background:var(--accent);color:#fff}
.actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-top:32px}
.btn[disabled]{opacity:.5;cursor:default}

/* sections */
section{padding:100px 0}
.hero{padding:110px 0 100px;text-align:center}
.hero h1{max-width:16ch;margin-left:auto;margin-right:auto}
.hero-split .wrap{display:block}
.hero-mark{display:none}
.band{background:var(--bg2)}
.dark{background:#000;color:#f5f5f7}
.dark h2,.dark .statement{color:#f5f5f7}
.dark .eyebrow-dark{color:#86868b}

/* what we do */
.grid4{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.tile{background:var(--bg2);border-radius:28px;padding:40px 36px}
.band .tile{background:#fff}
.tile h3{font-size:28px;margin:0 0 12px}
.tile p{color:var(--dim);font-size:17px;margin:0}
.soon{display:inline-block;margin-left:6px;font-size:12px;font-weight:600;color:#bf4800;letter-spacing:0}
.more{margin:28px 0 0;color:var(--dim);text-align:center}

/* mission */
.mission{text-align:center}
.mission h2{font-size:17px;font-weight:600;color:#86868b;letter-spacing:-.01em;margin:0 0 18px}
.statement{font-size:48px;line-height:1.08;letter-spacing:-.03em;font-weight:700;max-width:20ch;margin:0 auto}

/* how we work */
.principles{display:grid;grid-template-columns:repeat(4,1fr);gap:36px}
.principles .num{display:block;font-size:15px;font-weight:600;color:var(--dim);margin-bottom:10px}
.principles h3{font-size:21px}
.principles p{font-size:17px;margin:0}

/* cards */
.card{background:var(--bg2);border-radius:28px;padding:44px 40px}
.card .tag{display:inline-block;font-size:14px;font-weight:600;color:#bf4800;margin-bottom:10px}
.card h3{font-size:32px}
.feature{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;flex-wrap:wrap}
.feat{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:30px}
.feat h4{font-size:17px;margin:0 0 6px;font-weight:600}
.feat p{font-size:15px;color:var(--dim);margin:0}
.two{display:grid;grid-template-columns:1fr 1fr;gap:60px}
.two h2{font-size:32px;margin-bottom:16px}
.glass{background:var(--bg2)}

/* doc pages */
.doc{padding:72px 0 90px;max-width:760px}
.doc h1{font-size:48px;margin-bottom:8px}
.doc .upd{color:var(--dim);font-size:15px;margin:0 0 40px}
.doc h3{font-size:24px;margin:40px 0 10px}
.doc p,.doc li{font-size:17px;color:var(--ink)}
.doc ul{margin:0 0 16px;padding-left:22px}
.todo{background:#fff8e1;border:1px solid #f5d77a;color:#7a5900;border-radius:12px;padding:13px 16px;font-size:15px;margin:16px 0}

/* contact form */
.form{display:grid;grid-template-columns:1fr 1fr;gap:18px;max-width:640px;margin-top:8px}
.form .field{display:flex;flex-direction:column}
.form .field.full,.form .form-foot,.form .form-status,.form .form-done{grid-column:1/-1}
.form label{display:block;font-size:14px;font-weight:600;margin-bottom:7px;color:var(--ink)}
.form input,.form select,.form textarea{width:100%;font:inherit;font-size:17px;color:var(--ink);background:#fff;
  border:1px solid #d2d2d7;border-radius:12px;padding:13px 15px}
.form textarea{min-height:160px;resize:vertical}
.form input:focus,.form select:focus,.form textarea:focus{outline:4px solid rgba(0,125,250,.6);outline-offset:0;border-color:var(--accent)}
.form .hint{font-size:13.5px;color:var(--dim);margin-top:6px;min-height:1em}
.form .hint.is-error{color:#e30000}
.form [aria-invalid="true"]{border-color:#e30000}
.form .hp{position:absolute;left:-9999px}
.form-foot{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.form-foot .form-status{margin:0;color:var(--dim);font-size:15px}
.form-done{font-size:19px;padding:22px;border-radius:18px;background:var(--bg2)}

/* footer — apple.com style */
.foot{background:var(--bg2);padding:28px 0 40px;color:var(--dim);font-size:12px;line-height:1.33;letter-spacing:-.01em}
.foot-row{display:flex;align-items:center;gap:24px;flex-wrap:wrap;padding-bottom:14px;border-bottom:1px solid var(--line)}
.foot .wordmark{font-size:15px}
.foot nav{display:flex;gap:20px;margin-left:auto;align-items:center}
.foot a{color:#424245}
.foot a:hover{text-decoration:underline}
.legal{margin:14px 0 0}
.linkish{background:none;border:0;padding:0;font:inherit;color:#424245;cursor:pointer}
.linkish:hover{text-decoration:underline}
.doc .linkish,.consent .linkish{color:var(--link);font-size:inherit}

/* language menu */
.langs{position:relative}
.langs summary{list-style:none;cursor:pointer;font-size:12px;font-weight:600;color:var(--ink);opacity:.8;
  border:1px solid rgba(0,0,0,.18);border-radius:980px;padding:4px 10px}
.langs summary::-webkit-details-marker{display:none}
.langs ul{position:absolute;right:0;top:calc(100% + 10px);list-style:none;margin:0;padding:6px;min-width:160px;
  background:rgba(255,255,255,.92);-webkit-backdrop-filter:saturate(180%) blur(20px);backdrop-filter:saturate(180%) blur(20px);
  border:1px solid rgba(0,0,0,.1);border-radius:14px;box-shadow:0 10px 30px rgba(0,0,0,.12);z-index:40}
.langs ul a{display:block;padding:8px 12px;border-radius:8px;font-size:14px;opacity:1}
.langs ul a:hover{background:var(--bg2);text-decoration:none}
.langs ul a[aria-current]{font-weight:600}

/* cookie bar */
.consent{position:fixed;left:50%;bottom:16px;transform:translateX(-50%);z-index:30;width:min(calc(100% - 28px),720px);
  display:flex;align-items:center;gap:16px;flex-wrap:wrap;padding:16px 18px 16px 22px;border-radius:18px;font-size:14px;
  background:rgba(255,255,255,.85);-webkit-backdrop-filter:saturate(180%) blur(20px);backdrop-filter:saturate(180%) blur(20px);
  border:1px solid rgba(0,0,0,.1);box-shadow:0 10px 30px rgba(0,0,0,.12)}
.consent p{margin:0;flex:1 1 280px;color:var(--ink)}
.consent-actions{display:flex;gap:10px}
.consent .btn{padding:8px 16px;font-size:14px}

/* responsive */
@media (max-width:980px){.principles{grid-template-columns:1fr 1fr}}
@media (max-width:760px){
  h1{font-size:40px} h2{font-size:30px} .lede{font-size:19px} .statement{font-size:32px}
  section{padding:70px 0} .hero{padding:70px 0 60px}
  .grid4,.principles,.two,.feat,.form{grid-template-columns:1fr} .tile{padding:30px 26px;border-radius:22px}
  .nav-toggle{display:block}
  .nav-links{display:none;position:absolute;top:52px;left:0;right:0;flex-direction:column;align-items:flex-start;gap:0;
    padding:10px 22px 18px;background:rgba(255,255,255,.96);border-bottom:1px solid rgba(0,0,0,.08)}
  .nav-links li{width:100%} .nav-links a{display:block;padding:12px 0;font-size:17px;opacity:1}
  .nav.open .nav-links{display:flex}
  .langs ul{position:static;box-shadow:none;margin-top:6px}
  .foot nav{margin-left:0;flex-wrap:wrap}
  .consent{padding:12px 14px;gap:10px;font-size:13px;bottom:10px}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media (prefers-reduced-transparency:reduce){.nav,.consent,.langs ul{background:#fff;-webkit-backdrop-filter:none;backdrop-filter:none}}
.band .card{background:#fff}

/* ───────── v2 DARK + LIQUID GLASS (2026-11-15) ───────── */
:root{--bg:#000;--bg2:#161617;--line:rgba(255,255,255,.12);--ink:#f5f5f7;--dim:#a1a1a6;--accent:#0071e3;--link:#2997ff}
body{background:#000;color:var(--ink)}
/* light behind the glass */
.ambient{display:block;position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(40% 35% at 15% 10%,rgba(41,151,255,.28),transparent 70%),
    radial-gradient(35% 30% at 85% 30%,rgba(94,92,230,.26),transparent 70%),
    radial-gradient(45% 35% at 50% 100%,rgba(48,176,199,.16),transparent 70%)}
/* glass recipe */
.tile,.card,.glass,.band .tile,.band .card{
  background:linear-gradient(140deg,rgba(255,255,255,.11),rgba(255,255,255,.035) 55%,rgba(255,255,255,.06));
  -webkit-backdrop-filter:blur(24px) saturate(180%);backdrop-filter:blur(24px) saturate(180%);
  border:1px solid rgba(255,255,255,.14);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.22),inset 0 -1px 0 rgba(255,255,255,.04),0 24px 60px rgba(0,0,0,.45)}
.tile p,.feat p,.principles p,.muted,.lede{color:var(--dim)}
.band{background:rgba(255,255,255,.015)}
.dark{background:transparent}
.statement{background:linear-gradient(90deg,#f5f5f7 0%,#a6c8ff 55%,#c7a6ff 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.dark .statement{color:transparent}
.soon,.card .tag{color:#ffb340}
/* nav, menus, banner in glass */
.nav{background:rgba(22,22,23,.55);border-bottom:1px solid rgba(255,255,255,.08)}
.nav-links a,.wordmark,.brand{color:var(--ink)}
.langs summary{color:var(--ink);border-color:rgba(255,255,255,.22)}
.langs ul,.consent{background:rgba(30,30,32,.72);border:1px solid rgba(255,255,255,.14);box-shadow:0 20px 50px rgba(0,0,0,.5),inset 0 1px 0 rgba(255,255,255,.18)}
.langs ul a{color:var(--ink)}
.langs ul a:hover{background:rgba(255,255,255,.08)}
.consent p{color:var(--ink)}
/* buttons */
.btn-glass{background:rgba(255,255,255,.08);color:var(--ink);border:1px solid rgba(255,255,255,.22);
  -webkit-backdrop-filter:blur(20px) saturate(180%);backdrop-filter:blur(20px) saturate(180%);box-shadow:inset 0 1px 0 rgba(255,255,255,.25)}
.btn-glass:hover{background:rgba(255,255,255,.16);color:var(--ink)}
/* doc + form */
.doc p,.doc li{color:#d2d2d7}
.todo{background:rgba(255,179,64,.1);border-color:rgba(255,179,64,.4);color:#ffcf87}
.form label{color:var(--ink)}
.form input,.form select,.form textarea{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);color:var(--ink)}
.form-done{background:rgba(255,255,255,.06)}
/* footer */
.foot{background:rgba(255,255,255,.03);border-top:1px solid rgba(255,255,255,.08)}
.foot a,.linkish{color:#d2d2d7}
.foot-row{border-bottom-color:rgba(255,255,255,.1)}
@media (max-width:760px){.nav-links{background:rgba(22,22,23,.92)}}
@media (prefers-reduced-transparency:reduce){
  .tile,.card,.glass,.nav,.langs ul,.consent,.btn-glass{background:#1c1c1e;-webkit-backdrop-filter:none;backdrop-filter:none}
  .ambient{display:none}}
.intro{color:var(--dim);font-size:21px;line-height:1.4;max-width:46ch;margin:-18px 0 36px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.split{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center}
.split h2{margin-bottom:18px}
.checks{list-style:none;margin:0;padding:28px 30px;border-radius:28px;
  background:linear-gradient(140deg,rgba(255,255,255,.11),rgba(255,255,255,.035) 55%,rgba(255,255,255,.06));
  -webkit-backdrop-filter:blur(24px) saturate(180%);backdrop-filter:blur(24px) saturate(180%);
  border:1px solid rgba(255,255,255,.14);box-shadow:inset 0 1px 0 rgba(255,255,255,.22),0 24px 60px rgba(0,0,0,.45)}
.checks li{position:relative;padding:12px 0 12px 32px;border-bottom:1px solid rgba(255,255,255,.08);font-size:17px}
.checks li:last-child{border-bottom:0}
.checks li::before{content:"";position:absolute;left:0;top:15px;width:18px;height:18px;border-radius:50%;
  background:radial-gradient(circle at 35% 35%,#6cb4ff,#0071e3)}
.statement-sub{color:#a1a1a6;font-size:21px;line-height:1.45;max-width:44ch;margin:24px auto 0}
@media (max-width:760px){.grid3,.split{grid-template-columns:1fr}.intro{font-size:18px}.statement-sub{font-size:17px}}
.steps{list-style:none;margin:0;padding:0;display:grid;gap:12px;counter-reset:s}
.steps li{counter-increment:s;position:relative;padding:20px 22px 20px 64px;border-radius:20px;
  background:linear-gradient(140deg,rgba(255,255,255,.10),rgba(255,255,255,.03) 55%,rgba(255,255,255,.05));
  -webkit-backdrop-filter:blur(24px) saturate(180%);backdrop-filter:blur(24px) saturate(180%);
  border:1px solid rgba(255,255,255,.13);box-shadow:inset 0 1px 0 rgba(255,255,255,.2)}
.steps li::before{content:counter(s);position:absolute;left:20px;top:20px;width:28px;height:28px;border-radius:50%;
  display:grid;place-items:center;font-size:14px;font-weight:600;color:#fff;background:linear-gradient(135deg,#2997ff,#5e5ce6)}
.steps b{display:block;font-size:17px;margin-bottom:2px}
.steps span{color:var(--dim);font-size:15.5px}
/* v2.1 — deeper dark blue (user liked the blue) */
:root{--bg:#02050c}
body{background:#02050c}
.ambient{background:
    radial-gradient(45% 38% at 12% 8%,rgba(41,121,255,.32),transparent 70%),
    radial-gradient(40% 34% at 88% 28%,rgba(20,80,200,.30),transparent 70%),
    radial-gradient(50% 38% at 50% 105%,rgba(0,113,227,.22),transparent 70%),
    linear-gradient(180deg,#02050c 0%,#030a1a 50%,#02050c 100%)}
.statement{background:linear-gradient(90deg,#f5f5f7 0%,#9cc8ff 55%,#4d9fff 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.steps li::before{background:linear-gradient(135deg,#2997ff,#0a58d6)}
.nav{background:rgba(6,14,32,.55)}
.langs ul,.consent{background:rgba(10,20,44,.75)}
/* v2.2 — more black for contrast, blue kept as glow only */
:root{--bg:#000}
body{background:#000}
.ambient{background:
    radial-gradient(34% 30% at 12% 6%,rgba(41,121,255,.26),transparent 70%),
    radial-gradient(30% 26% at 90% 30%,rgba(20,80,200,.22),transparent 70%),
    radial-gradient(40% 30% at 50% 108%,rgba(0,113,227,.16),transparent 70%),
    #000}
.nav{background:rgba(0,0,0,.6)}
.langs ul,.consent{background:rgba(8,12,24,.8)}

/* v2.3 — between black and navy (restored 2026-11-15) */
:root{--bg:#010309}
body{background:#010309}
.ambient{background:
    radial-gradient(40% 34% at 12% 7%,rgba(41,121,255,.30),transparent 70%),
    radial-gradient(36% 30% at 89% 29%,rgba(20,80,200,.27),transparent 70%),
    radial-gradient(46% 34% at 50% 106%,rgba(0,113,227,.2),transparent 70%),
    linear-gradient(180deg,#010309 0%,#020713 50%,#010309 100%)}
.nav{background:rgba(2,6,16,.6)}

/* ───────── motion (v2.4) — Apple-like, transform/opacity only ───────── */
:root{--ease-out:cubic-bezier(0.23,1,0.32,1)}
/* 1 · hero entrance */
@keyframes rise{from{opacity:0;transform:translateY(12px)}}
.js .hero .eyebrow,.js .hero h1,.js .hero .lede,.js .hero .actions{animation:rise 600ms var(--ease-out) both}
.js .hero h1{animation-delay:80ms}.js .hero .lede{animation-delay:160ms}.js .hero .actions{animation-delay:240ms}
/* 3 · press feedback */
.btn{transition:transform 160ms ease-out,background-color 200ms ease}
.btn:active{transform:scale(.97)}
/* 5 · language menu grows from its trigger */
@keyframes pop{from{opacity:0;transform:scale(.97)}}
.langs details[open] ul{transform-origin:top right;animation:pop 150ms var(--ease-out)}
/* 6 · mission: a blue light slides through the words as you scroll (site.js sets --p 0→1, --g 0→1→0) */
.statement{background:linear-gradient(100deg,#f5f5f7 0%,#f5f5f7 30%,#9cc8ff 42%,#2997ff 50%,#9cc8ff 58%,#f5f5f7 70%,#f5f5f7 100%);
  background-size:300% 100%;background-position:calc(100% - var(--p,.5)*100%) 0;
  -webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 0 calc(var(--g,0)*28px) rgba(41,151,255,calc(var(--g,0)*.55)))}
@media (prefers-reduced-motion:reduce){
  .js .hero .eyebrow,.js .hero h1,.js .hero .lede,.js .hero .actions{animation:none}
  .langs details[open] ul{animation:none}
  .statement{--p:.5;--g:.4}
}

/* v2.5 — mission sentence: per-word blue light + "AI disappear into the" vanishes on scroll (site.js) */
.statement,.dark .statement{background:none;-webkit-background-clip:border-box;background-clip:border-box;color:#f5f5f7;filter:none}
.statement .w{transition:color 120ms linear}
.statement .vanish{display:inline-block;white-space:nowrap;overflow:hidden;vertical-align:bottom}

/* v2.6 — mission scene: pinned while scrolling, sentence plays out (site.js drives it) */
.mission-stage{padding:0;height:260vh;position:relative}
.mission-sticky{position:sticky;top:0;height:100vh;display:flex;align-items:center}
.mission-sticky .wrap{width:100%}
.statement .ai,.statement .tools,.statement .ch{display:inline-block;will-change:transform,opacity,filter}
.statement .vanish{display:inline;white-space:pre}
.statement .ch{white-space:pre;overflow:visible}
.js .mission-stage .statement-sub{opacity:var(--sub,1);transform:translateY(calc((1 - var(--sub,1)) * 14px))}
@media (prefers-reduced-motion:reduce){.mission-stage{height:auto;padding:100px 0}.mission-sticky{position:static;height:auto}}

/* tags: soft blue instead of yellow */
.soon,.card .tag{color:#8ec5ff}
/* doc pages: centered reading column */
.doc{max-width:none;margin:0}
.doc .wrap{max-width:820px}