/* ============ shared tokens ============ */
:root{
  --cyan: #05ceed;
  --cyan-ink: #057e92;
  --cyan-50: #e5f9fd;
  --ink: #0b0d10;
  --ink-2: #1a1d22;
  --mute: #5b6168;
  --line: #e6e7ea;
  --paper: #ffffff;
  --paper-2: #f6f6f4;
  --accent: var(--cyan);
  --font-sans: "Inter Tight", Helvetica, "Helvetica Neue", Arial, sans-serif;
  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --radius: 14px;
  --ease: cubic-bezier(.22,.61,.36,1);
}
:root[data-theme="dark"]{
  --ink: #f2f3f5;
  --ink-2: #cfd2d6;
  --mute: #8a8f96;
  --line: #22262c;
  --paper: #07090b;
  --paper-2: #0d1014;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: "ss01","ss02","cv11";
  font-size: 17px;
  line-height: 1.55;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font:inherit;border:0;background:none;cursor:pointer;color:inherit}

/* ============ layout ============ */
.wrap{max-width:1320px;margin:0 auto;padding:0 28px}
.wrap-narrow{max-width:980px;margin:0 auto;padding:0 28px}
.rule{height:1px;background:var(--line);width:100%}
.eyebrow{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--mute);
  display:inline-flex;gap:10px;align-items:center;
}
.eyebrow::before{
  content:""; width:18px;height:1px;background:currentColor;display:inline-block;
}

/* ============ nav ============ */
.nav{
  position:sticky;top:0;z-index:50;
  backdrop-filter: blur(14px) saturate(1.4);
  -webkit-backdrop-filter: blur(14px) saturate(1.4);
  background: color-mix(in oklab, var(--paper) 78%, transparent);
  border-bottom:1px solid color-mix(in oklab, var(--line) 80%, transparent);
}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:64px;gap:24px;min-width:0}
.brand{display:flex;align-items:center;gap:10px;font-weight:600;letter-spacing:-.01em;flex-shrink:0;min-width:0}
.brand-text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand em{font-style:normal;color:var(--mute);font-weight:400}
.brand-dot{
  width:22px;height:22px;border-radius:6px;
  background: var(--accent);
  display:inline-grid;place-items:center;color:#001015;font-family:var(--font-mono);font-size:11px;font-weight:700;
}
.brand em{font-style:normal;color:var(--mute);font-weight:400}
.nav-links{display:flex;gap:26px;font-size:14px;color:var(--ink-2);white-space:nowrap}
.nav-links a{position:relative;padding:8px 0}
.nav-links a[aria-current="page"]{color:var(--ink)}
.nav-links a:hover{color:var(--ink)}
.nav-cta{
  background:var(--ink);color:var(--paper);
  padding:10px 16px;border-radius:999px;font-size:13px;font-weight:500;
  display:inline-flex;gap:8px;align-items:center;white-space:nowrap;
  transition:transform .2s var(--ease), background .2s;
}
.nav-cta:hover{transform:translateY(-1px)}
.nav-cta .arr{transition:transform .25s var(--ease)}
.nav-cta:hover .arr{transform:translate(2px,-2px)}

/* ============ buttons ============ */
.btn{
  display:inline-flex;gap:10px;align-items:center;
  padding:14px 22px;border-radius:999px;
  font-size:15px;font-weight:500;
  transition:transform .25s var(--ease), background .2s, color .2s;
}
.btn-primary{background:var(--ink);color:var(--paper)}
.btn-primary:hover{transform:translateY(-2px)}
.btn-ghost{border:1px solid var(--line);color:var(--ink)}
.btn-ghost:hover{background:var(--paper-2)}

/* ============ typography ============ */
.display{
  font-family:var(--font-display);
  font-weight:400;
  letter-spacing:-.03em;
  line-height:.98;
  font-variation-settings: "SOFT" 0, "WONK" 0, "opsz" 144;
}
body.sans-mode .display{
  font-family: var(--font-sans);
  font-weight:600;
  letter-spacing:-.035em;
}
h1,h2,h3,h4{margin:0;font-weight:500;letter-spacing:-.02em}
p{margin:0}

/* ============ footer ============ */
.foot{
  border-top:1px solid var(--line);
  padding: 80px 0 48px;
  margin-top:120px;
  background: var(--paper);
}
.foot-grid{display:grid;grid-template-columns: 2fr 1fr 1fr 1fr;gap:48px}
.foot h4{font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--mute);margin-bottom:16px;font-weight:500}
.foot a{display:block;padding:4px 0;color:var(--ink-2);font-size:14px}
.foot a:hover{color:var(--ink)}
.foot-meta{margin-top:64px;padding-top:24px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:24px;color:var(--mute);font-size:12px;font-family:var(--font-mono);letter-spacing:.04em}

/* ============ motion helpers ============ */
.reveal{opacity:0;transform:translateY(24px);transition: opacity .9s var(--ease), transform .9s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}
.reveal.d2{transition-delay:.16s}
.reveal.d3{transition-delay:.24s}
.reveal.d4{transition-delay:.32s}

/* ============ tweak panel ============ */
.tweaks{
  position:fixed;right:20px;bottom:20px;z-index:100;
  background: var(--paper);
  border:1px solid var(--line);
  border-radius:16px;
  padding:18px;
  width:280px;
  box-shadow: 0 20px 60px rgba(0,0,0,.08);
  font-size:13px;
  display:none;
}
.tweaks.on{display:block}
.tweaks h5{
  font-family:var(--font-mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--mute);margin:0 0 12px;font-weight:500
}
.tweak-row{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}
.tweak-row label{font-size:12px;color:var(--mute)}
.hue-row{display:flex;gap:6px;flex-wrap:wrap}
.hue-row button{
  width:24px;height:24px;border-radius:50%;border:2px solid transparent;cursor:pointer;
  transition:transform .15s var(--ease);
}
.hue-row button:hover{transform:scale(1.1)}
.hue-row button.on{border-color:var(--ink)}
.pill-row{display:flex;gap:6px}
.pill-row button{
  flex:1;padding:8px 10px;border-radius:999px;border:1px solid var(--line);
  font-size:12px;color:var(--ink-2);background:transparent;
}
.pill-row button.on{background:var(--ink);color:var(--paper);border-color:var(--ink)}

/* ============ responsive ============ */
@media (max-width:860px){
  .nav-links{display:none}
  .foot-grid{grid-template-columns: 1fr 1fr}
}