:root{
  --bg: #0b0d12;
  --surface:#111520;
  --surface2:#0f1320;
  --text:#e9eef7;
  --muted:#aab4c5;
  --border:#24304a;
  --link:#9bd3ff;
  --accent:#c7ff6a;

  --radius: 18px;
  --shadow: 0 10px 30px rgba(0,0,0,.25);

  --max: 980px;
  --pad: 18px;

  color-scheme: dark;
}

@media (prefers-color-scheme: light){
  :root{
    --bg:#f6f7fb;
    --surface:#ffffff;
    --surface2:#ffffff;
    --text:#0f172a;
    --muted:#475569;
    --border:#e2e8f0;
    --link:#0b63ce;
    --accent:#1f8bff;
    --shadow: 0 10px 25px rgba(15,23,42,.08);
    color-scheme: light;
  }
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: radial-gradient(1200px 700px at 20% 0%, rgba(199,255,106,.08), transparent 50%),
              radial-gradient(1200px 700px at 90% 10%, rgba(155,211,255,.10), transparent 55%),
              var(--bg);
  color: var(--text);
  line-height: 1.55;
}

a{ color: var(--link); text-decoration: none; }
a:hover{ text-decoration: underline; }
strong{ font-weight: 700; }

.container{
  width: min(var(--max), calc(100% - 2*var(--pad)));
  margin: 0 auto;
}

.skip-link{
  position:absolute; left:-999px; top:auto;
  width:1px; height:1px; overflow:hidden;
}
.skip-link:focus{
  left: var(--pad);
  top: var(--pad);
  width:auto; height:auto;
  padding: 10px 12px;
  border-radius: 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  z-index: 9999;
}

.sr-only{
  position:absolute!important;
  width:1px;height:1px;
  padding:0;margin:-1px;
  overflow:hidden;clip:rect(0,0,0,0);
  white-space:nowrap;border:0;
}

.site-header{
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(10px);
  background: color-mix(in oklab, var(--bg) 80%, transparent);
  border-bottom: 1px solid color-mix(in oklab, var(--border) 70%, transparent);
}

.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 14px;
  padding: 14px 0;
}

.brand{
  display:flex;
  align-items:center;
  gap: 10px;
  color: var(--text);
  text-decoration:none;
}
.brand-mark{
  width: 34px; height: 34px;
  border-radius: 12px;
  display:grid; place-items:center;
  background: linear-gradient(135deg, rgba(199,255,106,.25), rgba(155,211,255,.22));
  border: 1px solid color-mix(in oklab, var(--border) 70%, transparent);
  box-shadow: var(--shadow);
  font-weight: 800;
}
.brand-text{ font-weight: 700; letter-spacing: .2px; }

.nav-toggle{
  display:none;
  border:1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  padding: 9px 12px;
  border-radius: 12px;
  box-shadow: var(--shadow);
  cursor:pointer;
}

.site-nav{
  display:flex;
  align-items:center;
  gap: 10px;
}
.site-nav a{
  padding: 8px 10px;
  border-radius: 12px;
  border: 1px solid transparent;
  color: var(--text);
}
.site-nav a:hover{
  background: color-mix(in oklab, var(--surface) 75%, transparent);
  border-color: color-mix(in oklab, var(--border) 80%, transparent);
  text-decoration:none;
}
.site-nav a[aria-current="page"]{
  background: color-mix(in oklab, var(--surface) 90%, transparent);
  border-color: var(--border);
}

.hero{
  padding: 44px 0 14px;
}
.hero-grid{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 18px;
  align-items: start;
}
.eyebrow{
  display:inline-block;
  margin: 0 0 10px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid color-mix(in oklab, var(--border) 85%, transparent);
  background: color-mix(in oklab, var(--surface) 65%, transparent);
  color: var(--muted);
  font-size: 13px;
}
h1{
  margin: 0 0 10px;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.12;
  letter-spacing: -0.6px;
}
.lead{
  margin: 0 0 16px;
  font-size: 16.5px;
  color: color-mix(in oklab, var(--text) 92%, var(--muted));
}
.muted{ color: var(--muted); }

.card{
  background: color-mix(in oklab, var(--surface) 92%, transparent);
  border: 1px solid color-mix(in oklab, var(--border) 90%, transparent);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
}
.card-title{
  margin: 0 0 10px;
  font-size: 16px;
  letter-spacing: -.2px;
}

.cta-row{
  display:flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 14px 0 10px;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--surface) 95%, transparent);
  color: var(--text);
  text-decoration:none;
  box-shadow: var(--shadow);
}
.btn:hover{
  text-decoration:none;
  background: color-mix(in oklab, var(--surface) 80%, transparent);
}
.btn.primary{
  border-color: color-mix(in oklab, var(--accent) 55%, var(--border));
  background: linear-gradient(135deg, color-mix(in oklab, var(--accent) 28%, transparent), color-mix(in oklab, var(--link) 12%, transparent));
}
.btn.small{ padding: 8px 10px; border-radius: 12px; font-size: 14px; }

.meta-row{
  display:flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}
.pill{
  display:inline-flex;
  align-items:center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid color-mix(in oklab, var(--border) 85%, transparent);
  background: color-mix(in oklab, var(--surface) 70%, transparent);
  color: var(--muted);
  font-size: 13px;
}
.pill.link{ color: var(--text); }

.section{
  padding: 22px 0;
}
.section-tight{
  padding: 12px 0;
}
.grid-2{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.bullets{
  margin: 0;
  padding-left: 18px;
}
.bullets li{ margin: 6px 0; }

.chips{
  list-style:none;
  padding:0;
  margin: 10px 0 0;
  display:flex;
  flex-wrap: wrap;
  gap: 10px;
}
.chip{
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid color-mix(in oklab, var(--border) 85%, transparent);
  background: color-mix(in oklab, var(--surface2) 90%, transparent);
  font-size: 13.5px;
  color: var(--text);
}
.chip a{ color: inherit; }

.page{ padding: 26px 0 0; }
.page-head{ padding: 18px 0 6px; }

.timeline{
  display:flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 14px;
}
.tl-item{
  display:grid;
  grid-template-columns: 14px 1fr;
  gap: 12px;
  align-items: start;
}
.tl-dot{
  width: 10px; height: 10px;
  border-radius: 999px;
  background: color-mix(in oklab, var(--accent) 55%, var(--link));
  margin-top: 8px;
  box-shadow: var(--shadow);
}
.tl-content h3{
  margin: 0 0 6px;
  font-size: 16px;
}
.cols-2{
  columns: 2;
  column-gap: 20px;
}
.cols-2 li{ break-inside: avoid; }

.site-footer{
  padding: 18px 0 26px;
  border-top: 1px solid color-mix(in oklab, var(--border) 70%, transparent);
  margin-top: 24px;
}
.footer-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.footer-links{
  display:flex;
  gap: 12px;
}

.spacer-sm{ height: 10px; }

@media (max-width: 860px){
  .hero-grid{ grid-template-columns: 1fr; }
  .grid-2{ grid-template-columns: 1fr; }
  .cols-2{ columns: 1; }
}

@media (max-width: 680px){
  .nav-toggle{ display:inline-flex; }
  .site-nav{
    position: absolute;
    right: var(--pad);
    top: 62px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    padding: 10px;
    width: min(320px, calc(100% - 2*var(--pad)));
    border-radius: var(--radius);
    background: color-mix(in oklab, var(--surface) 96%, transparent);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
  }
  .site-nav.is-open{ display:flex; }
  .site-nav a{ width: 100%; }
}

@media (prefers-reduced-motion: reduce){
  *{ scroll-behavior:auto!important; transition:none!important; animation:none!important; }
}