:root{
  --bg: #0b1020;
  --panel: rgba(255,255,255,.06);
  --panel-strong: rgba(255,255,255,.1);
  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.7);
  --border: rgba(255,255,255,.14);
  --shadow: 0 18px 45px rgba(0,0,0,.35);

  --brand: #8bd3ff;
  --brand2: #a7ffb7;
  --warn: #ffd37a;

  --radius: 18px;
  --radius2: 26px;
  --container: 1080px;
}

[data-theme="light"]{
  --bg: #f7f8fb;
  --panel: rgba(0,0,0,.045);
  --panel-strong: rgba(0,0,0,.075);
  --text: rgba(0,0,0,.88);
  --muted: rgba(0,0,0,.62);
  --border: rgba(0,0,0,.12);
  --shadow: 0 18px 45px rgba(0,0,0,.16);

  --brand: #1b6bff;
  --brand2: #17a34a;
  --warn: #b45309;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  background: radial-gradient(1200px 700px at 20% 10%, rgba(139,211,255,.16), transparent 60%),
              radial-gradient(1000px 700px at 80% 20%, rgba(167,255,183,.13), transparent 55%),
              var(--bg);
  color: var(--text);
}

.container{
  max-width: var(--container);
  padding: 0 18px;
  margin: 0 auto;
}

a{ color: inherit; text-decoration: none; }
code{ font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace; }

.site-header{
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(10px);
  background: color-mix(in oklab, var(--bg) 72%, transparent);
  border-bottom: 1px solid var(--border);
}

.header-inner{
  display:flex;
  align-items:center;
  gap: 14px;
  padding: 12px 0;
}

.brand{
  display:flex;
  align-items:center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: .2px;
}
.brand-mark{
  width: 34px;
  height: 34px;
  display:grid;
  place-items:center;
  border-radius: 12px;
  background: linear-gradient(135deg, color-mix(in oklab, var(--brand) 75%, transparent), color-mix(in oklab, var(--brand2) 65%, transparent));
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.nav{
  margin-left: auto;
  display:flex;
  gap: 14px;
  align-items:center;
  padding: 0 10px;
}
.nav a{
  padding: 8px 10px;
  border-radius: 12px;
  color: var(--muted);
}
.nav a:hover{ background: var(--panel); color: var(--text); }

.btn{
  display:inline-flex;
  align-items:center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: linear-gradient(180deg, color-mix(in oklab, var(--brand) 18%, var(--panel)), var(--panel));
  box-shadow: var(--shadow);
  cursor: pointer;
  color: var(--text);
  font-weight: 650;
}
.btn:hover{ transform: translateY(-1px); }
.btn.ghost{
  background: transparent;
  box-shadow: none;
}
.hide-sm{ display:inline; }

.hero{
  padding: 44px 0 24px;
}
.hero-grid{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 22px;
  align-items: start;
}
.eyebrow{
  color: var(--muted);
  letter-spacing: .16em;
  text-transform: uppercase;
  font-size: 12px;
  margin: 0 0 10px;
}
h1{
  margin: 0 0 14px;
  font-size: clamp(30px, 4.4vw, 46px);
  line-height: 1.05;
}
.chip{
  padding: 4px 10px;
  border-radius: 999px;
  background: color-mix(in oklab, var(--brand) 18%, var(--panel));
  border: 1px solid var(--border);
  font-weight: 750;
}
.lead{
  color: var(--muted);
  font-size: 16.5px;
  line-height: 1.55;
  margin: 0 0 18px;
  max-width: 60ch;
}
.hero-actions{ display:flex; gap: 10px; flex-wrap: wrap; margin-bottom: 18px; }

.stats{
  display:grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 10px;
}
.stat{
  border: 1px solid var(--border);
  background: var(--panel);
  border-radius: var(--radius);
  padding: 12px;
}
.stat-num{ font-weight: 800; }
.stat-label{ color: var(--muted); font-size: 13px; }

.hero-visual{
  border: 1px solid var(--border);
  background: var(--panel);
  border-radius: var(--radius2);
  padding: 16px;
  box-shadow: var(--shadow);
}

.stack{ display:grid; gap: 8px; }
.layer{
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--panel) 80%, transparent);
  font-weight: 650;
}
.layer.ker{ background: color-mix(in oklab, var(--brand) 15%, var(--panel)); }
.layer.hw{ background: color-mix(in oklab, var(--warn) 14%, var(--panel)); }
.caption{ margin: 12px 0 0; color: var(--muted); font-size: 13px; }

.section{
  padding: 28px 0 10px;
}
h2{
  margin: 0 0 10px;
  font-size: 26px;
}
h3{
  margin: 0 0 8px;
  font-size: 18px;
}
.muted{ color: var(--muted); }
.small{ font-size: 13px; }

.grid{ display:grid; gap: 14px; }
.grid.two{ grid-template-columns: repeat(2, minmax(0,1fr)); }
.grid.three{ grid-template-columns: repeat(3, minmax(0,1fr)); }

.card{
  border: 1px solid var(--border);
  background: var(--panel);
  border-radius: var(--radius2);
  padding: 16px;
  box-shadow: var(--shadow);
}
.card-top{ margin-bottom: 10px; }
.card.accent.consumer{ background: linear-gradient(180deg, color-mix(in oklab, var(--brand) 14%, var(--panel)), var(--panel)); }
.card.accent.tech{ background: linear-gradient(180deg, color-mix(in oklab, var(--brand2) 14%, var(--panel)), var(--panel)); }

.badge{
  display:inline-block;
  padding: 5px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.bullets{
  margin: 10px 0 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.6;
}
.bullets strong{ color: var(--text); }

.examples-row{
  margin-top: 12px;
  display:flex;
  gap: 8px;
  flex-wrap: wrap;
}
.pill{
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--panel-strong) 75%, transparent);
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 13px;
  color: var(--muted);
}

.callout{
  margin-top: 12px;
  border: 1px dashed color-mix(in oklab, var(--brand) 40%, var(--border));
  background: color-mix(in oklab, var(--brand) 10%, var(--panel));
  border-radius: var(--radius);
  padding: 12px;
  color: var(--muted);
}

.toolbar{
  display:flex;
  justify-content: space-between;
  align-items:center;
  gap: 12px;
  flex-wrap: wrap;
  margin: 10px 0 12px;
}
.search input{
  width: min(520px, 80vw);
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  outline: none;
}
.search input::placeholder{ color: color-mix(in oklab, var(--muted) 70%, transparent); }

.switch{
  display:inline-flex;
  align-items:center;
  gap: 10px;
  color: var(--muted);
  user-select: none;
}
.switch input{ display:none; }
.slider{
  width: 44px;
  height: 26px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--panel);
  position: relative;
}
.slider::after{
  content:"";
  position:absolute;
  top: 3px;
  left: 3px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: color-mix(in oklab, var(--brand) 45%, var(--panel-strong));
  transition: transform .18s ease;
}
.switch input:checked + .slider::after{ transform: translateX(18px); }
.switch-label{ font-size: 13px; }

.table-wrap{
  border: 1px solid var(--border);
  border-radius: var(--radius2);
  overflow:auto;
  background: var(--panel);
  box-shadow: var(--shadow);
}
.compare-table{
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
}
.compare-table th, .compare-table td{
  padding: 12px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
.compare-table th{
  text-align:left;
  color: var(--text);
  position: sticky;
  top: 0;
  background: color-mix(in oklab, var(--bg) 50%, var(--panel));
}
.compare-table td{ color: var(--muted); }
.compact .compare-table th, .compact .compare-table td{ padding: 9px 10px; }

.examples-head{
  display:flex;
  justify-content: space-between;
  align-items: end;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.segmented{
  display:flex;
  gap: 8px;
  border: 1px solid var(--border);
  background: var(--panel);
  border-radius: 999px;
  padding: 6px;
}
.seg-btn{
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  padding: 8px 12px;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 650;
}
.seg-btn.active{
  background: color-mix(in oklab, var(--brand) 12%, transparent);
  border-color: color-mix(in oklab, var(--brand) 35%, var(--border));
  color: var(--text);
}

.os-card{
  display:flex;
  flex-direction: column;
  gap: 10px;
  cursor: pointer;
}
.os-top{
  display:flex;
  align-items:center;
  gap: 12px;
}
.os-icon{
  width: 44px;
  height: 44px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--panel-strong) 70%, transparent);
  display:grid;
  place-items:center;
  font-size: 20px;
}
.os-meta{ display:flex; flex-direction: column; gap: 2px; }
.kicker{ font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .12em; }

.tagrow{ display:flex; gap: 8px; flex-wrap: wrap; }
.tag{
  font-size: 12px;
  padding: 5px 9px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--muted);
}

.site-footer{
  padding: 22px 0 40px;
  border-top: 1px solid var(--border);
  margin-top: 20px;
}
.footer-inner{
  display:flex;
  justify-content: space-between;
  align-items:center;
  gap: 14px;
  flex-wrap: wrap;
}

/* Modal */
.modal{
  position: fixed;
  inset: 0;
  display:none;
  z-index: 100;
}
.modal.show{ display:block; }
.modal-backdrop{
  position:absolute;
  inset: 0;
  background: rgba(0,0,0,.55);
}
.modal-panel{
  position: relative;
  max-width: 820px;
  margin: 6vh auto;
  border-radius: var(--radius2);
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--bg) 35%, var(--panel));
  box-shadow: var(--shadow);
  overflow:hidden;
}
.modal-close{
  position:absolute;
  top: 10px;
  right: 10px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  border-radius: 14px;
  padding: 8px 10px;
  cursor: pointer;
}
.modal-body{
  padding: 18px;
}
.modal-grid{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 14px;
}
.detail{
  border: 1px solid var(--border);
  border-radius: var(--radius2);
  padding: 14px;
  background: var(--panel);
}
.detail h4{ margin: 0 0 8px; }
.detail ul{ margin: 0; padding-left: 18px; color: var(--muted); line-height: 1.55; }

/* Responsive */
@media (max-width: 900px){
  .hero-grid{ grid-template-columns: 1fr; }
  .grid.two{ grid-template-columns: 1fr; }
  .grid.three{ grid-template-columns: 1fr; }
  .nav{ display:none; }
  .hide-sm{ display:none; }
  .modal-grid{ grid-template-columns: 1fr; }
}