/* ========================================================
   PRISM — Design System
   Spectral compute network · cyan → violet → magenta
   ======================================================== */
:root{
  --bg:#05070d;
  --bg-2:#0a0e1a;
  --bg-3:#0f1526;
  --surface:rgba(255,255,255,.035);
  --surface-2:rgba(255,255,255,.06);
  --border:rgba(255,255,255,.08);
  --border-2:rgba(255,255,255,.16);
  --text:#eef2ff;
  --text-2:#aab3cc;
  --text-3:#6b7590;
  --cyan:#22d3ee;
  --violet:#8b5cf6;
  --magenta:#ec4899;
  --lime:#a3e635;
  --amber:#fbbf24;
  --red:#f87171;
  --grad:linear-gradient(120deg,var(--cyan) 0%,var(--violet) 50%,var(--magenta) 100%);
  --grad-soft:linear-gradient(120deg,rgba(34,211,238,.18),rgba(139,92,246,.18),rgba(236,72,153,.18));
  --glow-cyan:0 0 40px rgba(34,211,238,.35);
  --glow-violet:0 0 40px rgba(139,92,246,.35);
  --radius:18px;
  --radius-sm:10px;
  --font:'Inter',system-ui,-apple-system,sans-serif;
  --font-display:'Space Grotesk','Inter',sans-serif;
  --font-mono:'JetBrains Mono',ui-monospace,SFMono-Regular,monospace;
  --nav-h:68px;
  --ease:cubic-bezier(.22,1,.36,1);
  color-scheme:dark;
}
:root[data-theme="light"]{
  --bg:#f6f7fb;
  --bg-2:#ffffff;
  --bg-3:#eef0f7;
  --surface:rgba(10,14,30,.03);
  --surface-2:rgba(10,14,30,.06);
  --border:rgba(10,14,30,.08);
  --border-2:rgba(10,14,30,.16);
  --text:#0b1020;
  --text-2:#3d4460;
  --text-3:#7a819c;
  --grad-soft:linear-gradient(120deg,rgba(34,211,238,.14),rgba(139,92,246,.14),rgba(236,72,153,.14));
  color-scheme:light;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--text);font-family:var(--font);
  font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden;
  transition:background .4s,color .4s;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(900px 500px at 10% -10%,rgba(34,211,238,.12),transparent 60%),
    radial-gradient(800px 500px at 90% 0%,rgba(236,72,153,.10),transparent 60%),
    radial-gradient(700px 600px at 50% 110%,rgba(139,92,246,.12),transparent 60%);
}
:root[data-theme="light"] body::before{opacity:.7}
body::after{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.35;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.05'/%3E%3C/svg%3E");
}
a{color:inherit;text-decoration:none}
img,svg,canvas{display:block;max-width:100%}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{font-family:var(--font-display);letter-spacing:-.02em;line-height:1.1;margin:0}
p{margin:0}
.mono{font-family:var(--font-mono)}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.muted{color:var(--text-2)}
.dim{color:var(--text-3)}
.container{width:min(1200px,calc(100% - 40px));margin:0 auto;position:relative;z-index:1}
@media (max-width:640px){.container{width:calc(100% - 32px)}}
::selection{background:rgba(139,92,246,.45);color:#fff}

/* ---------- NAV ---------- */
.nav{
  position:sticky;top:0;z-index:50;height:var(--nav-h);
  backdrop-filter:blur(18px) saturate(160%);-webkit-backdrop-filter:blur(18px) saturate(160%);
  background:color-mix(in srgb,var(--bg) 70%,transparent);
  border-bottom:1px solid var(--border);
}
.nav-inner{display:flex;align-items:center;gap:22px;height:100%}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:700;font-size:20px;letter-spacing:-.02em}
.brand-mark{width:34px;height:34px;border-radius:10px;background:var(--grad);display:grid;place-items:center;box-shadow:var(--glow-violet);position:relative;overflow:hidden}
.brand-mark::after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(255,255,255,.35),transparent 60%)}
.brand-mark svg{width:18px;height:18px;position:relative}
.nav-links{display:flex;gap:4px;margin-left:8px}
.nav-links a{padding:8px 12px;border-radius:9px;color:var(--text-2);font-size:14.5px;font-weight:500;transition:all .2s}
.nav-links a:hover,.nav-links a.active{color:var(--text);background:var(--surface-2)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:10px}
.icon-btn{width:38px;height:38px;border-radius:10px;border:1px solid var(--border);background:var(--surface);display:grid;place-items:center;cursor:pointer;transition:all .2s}
.icon-btn:hover{border-color:var(--border-2);background:var(--surface-2)}
.icon-btn svg{width:18px;height:18px}
.burger{display:none}
@media (max-width:960px){
  .nav-links{display:none}
  .burger{display:grid}
  .nav-links.open{display:flex;flex-direction:column;position:absolute;top:var(--nav-h);left:0;right:0;background:var(--bg-2);border-bottom:1px solid var(--border);padding:12px 20px 18px}
  .nav-links.open a{padding:12px}
}
.live-strip{
  background:linear-gradient(90deg,rgba(34,211,238,.08),rgba(139,92,246,.08),rgba(236,72,153,.08));
  border-bottom:1px solid var(--border);font-size:12.5px;position:relative;z-index:1
}
.live-strip .container{display:flex;gap:18px;align-items:center;height:34px;overflow:hidden;white-space:nowrap}
.live-strip .chip-live{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--lime)}
.live-strip .sep{opacity:.35}
.pulse{width:7px;height:7px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 0 rgba(163,230,53,.6);animation:pulse 1.8s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(163,230,53,.6)}70%{box-shadow:0 0 0 8px rgba(163,230,53,0)}100%{box-shadow:0 0 0 0 rgba(163,230,53,0)}}

/* ---------- BUTTONS ---------- */
.btn{
  display:inline-flex;align-items:center;gap:9px;padding:12px 20px;border-radius:12px;
  font-weight:600;font-size:15px;border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .25s var(--ease),box-shadow .25s,background .2s,border-color .2s;position:relative;overflow:hidden
}
.btn svg{width:17px;height:17px}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 30px -8px rgba(139,92,246,.7)}
.btn-primary::before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,transparent 30%,rgba(255,255,255,.35) 50%,transparent 70%);transform:translateX(-120%);transition:transform .8s}
.btn-primary:hover::before{transform:translateX(120%)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 40px -8px rgba(139,92,246,.85)}
.btn-ghost{background:var(--surface);border-color:var(--border-2);color:var(--text)}
.btn-ghost:hover{background:var(--surface-2);transform:translateY(-2px)}
.btn-sm{padding:8px 14px;font-size:13.5px;border-radius:10px}
.btn-lg{padding:15px 26px;font-size:16px;border-radius:14px}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none!important}

/* ---------- CHIPS / BADGES ---------- */
.chip{display:inline-flex;align-items:center;gap:7px;padding:6px 12px;border-radius:999px;font-size:12.5px;font-weight:600;border:1px solid var(--border-2);background:var(--surface)}
.chip.cyan{color:var(--cyan);border-color:rgba(34,211,238,.35);background:rgba(34,211,238,.08)}
.chip.violet{color:#c4b5fd;border-color:rgba(139,92,246,.4);background:rgba(139,92,246,.1)}
.chip.magenta{color:#f9a8d4;border-color:rgba(236,72,153,.4);background:rgba(236,72,153,.1)}
.chip.lime{color:var(--lime);border-color:rgba(163,230,53,.35);background:rgba(163,230,53,.08)}
.chip.amber{color:var(--amber);border-color:rgba(251,191,36,.35);background:rgba(251,191,36,.08)}
:root[data-theme="light"] .chip.violet{color:#6d28d9}
:root[data-theme="light"] .chip.magenta{color:#be185d}
:root[data-theme="light"] .chip.cyan{color:#0e7490}
:root[data-theme="light"] .chip.lime{color:#4d7c0f}
:root[data-theme="light"] .chip.amber{color:#b45309}
.tag{font-family:var(--font-mono);font-size:11.5px;padding:3px 8px;border-radius:6px;background:var(--surface-2);border:1px solid var(--border);color:var(--text-2)}

/* ---------- LAYOUT ---------- */
section{padding:96px 0;position:relative;z-index:1}
@media (max-width:760px){section{padding:64px 0}}
.eyebrow{font-family:var(--font-mono);font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan);margin-bottom:14px;display:flex;align-items:center;gap:10px}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--cyan)}
.h1{font-size:clamp(44px,7vw,84px);font-weight:700;line-height:.98}
.h2{font-size:clamp(34px,4.6vw,56px);font-weight:700}
.h3{font-size:clamp(22px,2.4vw,28px);font-weight:600}
.lead{font-size:clamp(17px,1.5vw,20px);color:var(--text-2);max-width:62ch}
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
@media (max-width:960px){.grid-3,.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:640px){.grid-2,.grid-3,.grid-4{grid-template-columns:minmax(0,1fr)}}

/* ---------- CARDS ---------- */
.card{min-width:0;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:26px;
  position:relative;transition:transform .35s var(--ease),border-color .3s,box-shadow .3s;
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
}
.card::before{
  content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;pointer-events:none;
  background:linear-gradient(140deg,rgba(34,211,238,.5),transparent 35%,transparent 65%,rgba(236,72,153,.5));
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;
  opacity:0;transition:opacity .35s
}
.card:hover{border-color:var(--border-2);transform:translateY(-4px);box-shadow:0 24px 60px -30px rgba(139,92,246,.5)}
.card:hover::before{opacity:1}
.card.glow{--mx:50%;--my:50%}
.card.glow::after{
  content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  background:radial-gradient(400px circle at var(--mx) var(--my),rgba(139,92,246,.16),transparent 45%);
  opacity:0;transition:opacity .3s
}
.card.glow:hover::after{opacity:1}
.card-icon{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;margin-bottom:18px;background:var(--grad-soft);border:1px solid var(--border-2)}
.card-icon svg{width:22px;height:22px}
.card h3{margin-bottom:10px}
.card p{color:var(--text-2);font-size:15px}
.tilt{transform-style:preserve-3d;will-change:transform}

/* ---------- FORM ---------- */
.input,.select,.textarea{
  width:100%;background:var(--bg-2);border:1px solid var(--border-2);border-radius:12px;padding:12px 14px;
  color:var(--text);outline:none;transition:border-color .2s,box-shadow .2s
}
.input:focus,.select:focus,.textarea:focus{border-color:var(--violet);box-shadow:0 0 0 3px rgba(139,92,246,.2)}
.textarea{min-height:110px;resize:vertical}
label.lbl{display:block;font-size:13px;font-weight:600;color:var(--text-2);margin-bottom:7px}
.range{width:100%;-webkit-appearance:none;appearance:none;height:6px;border-radius:99px;background:linear-gradient(90deg,var(--cyan) var(--p,50%),var(--surface-2) var(--p,50%));outline:none}
.range::-webkit-slider-thumb{-webkit-appearance:none;width:20px;height:20px;border-radius:50%;background:#fff;border:3px solid var(--violet);box-shadow:0 0 0 4px rgba(139,92,246,.25);cursor:pointer}
.range::-moz-range-thumb{width:20px;height:20px;border-radius:50%;background:#fff;border:3px solid var(--violet);cursor:pointer}
.switch{display:inline-flex;gap:4px;padding:4px;border-radius:12px;background:var(--surface-2);border:1px solid var(--border)}
.switch button{padding:8px 14px;border-radius:9px;border:0;background:transparent;color:var(--text-2);font-weight:600;font-size:13.5px;cursor:pointer;transition:all .2s}
.switch button.active{background:var(--bg-2);color:var(--text);box-shadow:0 2px 10px rgba(0,0,0,.3)}
:root[data-theme="light"] .switch button.active{box-shadow:0 2px 10px rgba(0,0,0,.08)}

/* ---------- TABLE ---------- */
.table{width:100%;border-collapse:collapse;font-size:14.5px}
.table th,.table td{padding:14px 12px;text-align:left;border-bottom:1px solid var(--border)}
.table th{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--text-3);font-weight:600}
.table tr:hover td{background:var(--surface)}
.table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface)}
.check{color:var(--lime);font-weight:700}
.cross{color:var(--text-3)}

/* ---------- MARQUEE ---------- */
.marquee{overflow:hidden;position:relative;-webkit-mask:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.marquee-track{display:flex;gap:14px;width:max-content;animation:marquee 40s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
@keyframes marquee{to{transform:translateX(-50%)}}
.model-pill{display:flex;align-items:center;gap:10px;padding:10px 16px;border-radius:12px;background:var(--surface);border:1px solid var(--border);font-size:13.5px;white-space:nowrap}
.model-pill .dot{width:8px;height:8px;border-radius:50%}
.model-pill b{font-weight:600}

/* ---------- REVEAL ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal[data-delay="1"]{transition-delay:.1s}.reveal[data-delay="2"]{transition-delay:.2s}.reveal[data-delay="3"]{transition-delay:.3s}.reveal[data-delay="4"]{transition-delay:.4s}

/* ---------- FOOTER ---------- */
footer{position:relative;z-index:1;border-top:1px solid var(--border);padding:64px 0 32px;margin-top:40px;background:linear-gradient(180deg,transparent,rgba(139,92,246,.05))}
.footer-grid{display:grid;grid-template-columns:2fr repeat(4,1fr);gap:30px}
@media (max-width:960px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr}}
footer h4{font-size:13px;text-transform:uppercase;letter-spacing:.1em;color:var(--text-3);margin-bottom:14px}
footer ul{list-style:none;padding:0;margin:0;display:grid;gap:9px}
footer li a{color:var(--text-2);font-size:14.5px;transition:color .2s}
footer li a:hover{color:var(--text)}
.footer-bottom{margin-top:44px;padding-top:22px;border-top:1px solid var(--border);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:var(--text-3)}

/* ---------- TOAST ---------- */
.toast-wrap{position:fixed;bottom:22px;right:22px;z-index:100;display:grid;gap:10px}
.toast{background:var(--bg-2);border:1px solid var(--border-2);border-radius:12px;padding:12px 16px;font-size:14px;box-shadow:0 20px 50px -20px rgba(0,0,0,.6);animation:toastIn .4s var(--ease);max-width:340px;display:flex;gap:10px;align-items:center}
.toast .pulse{flex:none}
@keyframes toastIn{from{opacity:0;transform:translateY(12px)}}

/* ---------- MISC ---------- */
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--border-2),transparent)}
.stat{display:grid;gap:4px}
.stat .v{font-family:var(--font-display);font-size:clamp(28px,3.4vw,42px);font-weight:700;letter-spacing:-.03em}
.stat .l{font-size:13px;color:var(--text-3)}
.kbd{font-family:var(--font-mono);font-size:12px;padding:2px 7px;border-radius:6px;border:1px solid var(--border-2);background:var(--surface);color:var(--text-2)}
.code{background:var(--bg-2);border:1px solid var(--border);border-radius:12px;padding:16px 18px;font-family:var(--font-mono);font-size:13px;line-height:1.7;overflow-x:auto;color:var(--text-2)}
.code .k{color:var(--violet)}.code .s{color:var(--lime)}.code .c{color:var(--text-3)}.code .n{color:var(--cyan)}
.progress{height:6px;border-radius:99px;background:var(--surface-2);overflow:hidden}
.progress > i{display:block;height:100%;background:var(--grad);border-radius:99px;transition:width .4s var(--ease)}
.page-hero{padding:72px 0 36px}
.page-hero .h1{font-size:clamp(38px,5.5vw,64px)}
.accordion details{border-bottom:1px solid var(--border);padding:4px 0}
.accordion summary{cursor:pointer;list-style:none;padding:18px 0;font-weight:600;font-size:17px;display:flex;justify-content:space-between;align-items:center;gap:20px;font-family:var(--font-display)}
.accordion summary::-webkit-details-marker{display:none}
.accordion summary::after{content:"+";font-size:22px;color:var(--text-3);transition:transform .3s;font-weight:300}
.accordion details[open] summary::after{transform:rotate(45deg)}
.accordion details p{padding:0 0 18px;color:var(--text-2);max-width:70ch}
.orb{position:absolute;border-radius:50%;filter:blur(70px);opacity:.5;pointer-events:none;z-index:0}
.cursor-glow{position:fixed;width:420px;height:420px;border-radius:50%;pointer-events:none;z-index:0;background:radial-gradient(circle,rgba(139,92,246,.12),transparent 60%);transform:translate(-50%,-50%);transition:opacity .4s;mix-blend-mode:screen}
:root[data-theme="light"] .cursor-glow{mix-blend-mode:multiply;background:radial-gradient(circle,rgba(139,92,246,.10),transparent 60%)}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}}