/* NetWasm.UI site. Dark, high-contrast, no web fonts. */
:root {
  --bg: #0b0b14;
  --bg-alt: #10101c;
  --surface: #161626;
  --surface-2: #1d1d31;
  --border: #2a2a42;
  --text: #e8e8f2;
  --muted: #9a9ab5;
  --accent: #7c5cff;
  --accent-2: #2fd5c5;
  --accent-soft: rgba(124, 92, 255, .14);
  --danger: #ff6b8b;
  --radius: 14px;
  --mono: ui-monospace, "Cascadia Code", "SF Mono", Menlo, Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { line-height: 1.15; letter-spacing: -.02em; margin: 0 0 .5em; }
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }
code { font-family: var(--mono); font-size: .92em; }
:focus-visible { outline: 2px solid var(--accent-2); outline-offset: 2px; }

.container { width: min(1160px, 100% - 2.5rem); margin-inline: auto; }
.narrow { width: min(760px, 100% - 2.5rem); }
.page { padding: 3.5rem 0 4rem; }
.muted { color: var(--muted); }
.fine-print { color: var(--muted); font-size: .88rem; margin-top: 1rem; }

/* Boot screen, shown until app.mjs sets data-ready. */
.boot { position: fixed; inset: 0; display: grid; place-content: center; justify-items: center; gap: .75rem; color: var(--muted); }
.boot-mark { width: 56px; height: 56px; border-radius: 14px; display: grid; place-items: center; font: 800 28px var(--sans); color: #fff; background: linear-gradient(135deg, var(--accent), var(--accent-2)); animation: pulse 1.2s ease-in-out infinite; }
html[data-ready] .boot { display: none; }
.noscript { padding: 2rem; text-align: center; }
@keyframes pulse { 50% { transform: scale(.9); opacity: .7; } }

/* Header */
.site-header { position: sticky; top: 0; z-index: 10; backdrop-filter: blur(12px); background: rgba(11, 11, 20, .78); border-bottom: 1px solid var(--border); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; height: 64px; }
.brand { display: flex; align-items: center; gap: .6rem; color: var(--text); font-weight: 750; font-size: 1.1rem; }
.brand:hover { text-decoration: none; }
.brand-mark { width: 30px; height: 30px; border-radius: 8px; display: grid; place-items: center; color: #fff; font-weight: 800; background: linear-gradient(135deg, var(--accent), var(--accent-2)); }
.brand-dot { color: var(--accent-2); }
.site-nav { display: flex; align-items: center; gap: .25rem; flex-wrap: wrap; }
.site-nav a { color: var(--muted); padding: .4rem .75rem; border-radius: 8px; font-weight: 500; }
.site-nav a:hover { color: var(--text); background: var(--surface); text-decoration: none; }
.site-nav a.active { color: var(--text); background: var(--surface-2); }
.version { font: 600 .72rem var(--mono); color: var(--accent-2); background: rgba(47, 213, 197, .12); padding: .1rem .4rem; border-radius: 6px; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .4rem;
  padding: .55rem 1rem; border-radius: 10px; border: 1px solid var(--border);
  background: var(--surface); color: var(--text); font: 600 .95rem var(--sans);
  cursor: pointer; transition: background .15s, border-color .15s, transform .05s;
}
.btn:hover { background: var(--surface-2); border-color: #3a3a5c; text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { background: #6a48ff; border-color: #6a48ff; }
.btn-lg { padding: .8rem 1.4rem; font-size: 1rem; }
.btn-sm { padding: .25rem .6rem; font-size: .85rem; border-radius: 8px; }

/* Hero */
.hero { position: relative; overflow: hidden; padding: 5rem 0 4rem; }
.hero::before {
  content: ""; position: absolute; inset: -40% -10% auto; height: 640px; pointer-events: none;
  background: radial-gradient(closest-side, rgba(124, 92, 255, .32), transparent 70%),
              radial-gradient(closest-side at 80% 40%, rgba(47, 213, 197, .18), transparent 70%);
}
.hero-inner { position: relative; display: grid; grid-template-columns: 1.25fr .9fr; gap: 3rem; align-items: center; }
.eyebrow { color: var(--accent-2); font: 600 .8rem var(--mono); text-transform: uppercase; letter-spacing: .12em; margin-bottom: .8rem; }
.grad { background: linear-gradient(90deg, var(--accent) 0%, #b07cff 45%, var(--accent-2) 100%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { color: var(--muted); font-size: 1.12rem; max-width: 62ch; }
.cta { display: flex; flex-wrap: wrap; gap: .75rem; margin: 1.75rem 0 1.5rem; }
.cta-center { justify-content: center; }
.size-badge p { display: inline-block; margin: 0; padding: .55rem .9rem; border: 1px dashed var(--border); border-radius: 10px; color: var(--muted); font-size: .9rem; }
.size-badge strong { color: var(--text); }

.hero-demo { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: 0 30px 80px -30px rgba(124, 92, 255, .45); overflow: hidden; }
.hero-demo-head { display: flex; align-items: center; gap: .4rem; padding: .7rem .9rem; border-bottom: 1px solid var(--border); background: var(--surface-2); }
.dot { width: 10px; height: 10px; border-radius: 50%; background: #3a3a5c; }
.hero-demo-title { margin-left: .5rem; font: .8rem var(--mono); color: var(--muted); }
.hero-demo-body { padding: 2rem 1.75rem; text-align: center; }
.hero-count { margin: 0; display: flex; align-items: baseline; justify-content: center; gap: .5rem; }
.hero-count strong { font-size: 4.5rem; line-height: 1; font-variant-numeric: tabular-nums; }
.hero-count small { color: var(--muted); }
.hero-sub { color: var(--muted); }
.hero-buttons { display: flex; justify-content: center; gap: .6rem; }
.hero-buttons .btn { min-width: 6rem; }
.hero-hint { margin: 1rem 0 0; color: var(--accent-2); font-size: .9rem; }

/* Stats */
.stats { border-block: 1px solid var(--border); background: var(--bg-alt); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { padding: 2rem 1.25rem; border-left: 1px solid var(--border); display: grid; gap: .3rem; }
.stat:first-child { border-left: 0; }
.stat strong { font-size: 2.1rem; letter-spacing: -.02em; background: linear-gradient(90deg, var(--text), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat span { color: var(--muted); font-size: .92rem; }

/* Sections */
.section { padding: 5.5rem 0; }
.section-alt { background: var(--bg-alt); border-block: 1px solid var(--border); }
.section-head { margin-bottom: 2.5rem; }

/* Code */
.code { background: #0d0d18; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; min-width: 0; }
.code-bar { display: flex; align-items: center; justify-content: space-between; padding: .45rem .5rem .45rem 1rem; border-bottom: 1px solid var(--border); background: var(--surface); }
.code-caption { font: .8rem var(--mono); color: var(--muted); }
.copy { background: transparent; border: 1px solid var(--border); color: var(--muted); border-radius: 7px; padding: .2rem .6rem; font: .78rem var(--sans); cursor: pointer; }
.copy:hover { color: var(--text); border-color: #3a3a5c; }
.code pre { margin: 0; padding: 1rem 1.1rem; overflow-x: auto; font: .86rem/1.6 var(--mono); tab-size: 4; font-variant-ligatures: none; }
.code-loading { padding: 1rem; color: var(--muted); }
.code-loading p { margin: 0; }
.tk-kw { color: #c792ea; }
.tk-ty { color: #82aaff; }
.tk-str { color: #c3e88d; }
.tk-num { color: #f78c6c; }
.tk-com { color: #6b6b8a; font-style: italic; }
.tk-dir { color: #ffcb6b; }
.tk-tag { color: #f07178; }
.tk-cmp { color: var(--accent-2); }
.code-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; align-items: start; }

/* Pipeline */
.pipeline { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; counter-reset: step; }
.pipeline li { position: relative; display: grid; gap: .35rem; padding: 1.5rem; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); }
.pipeline li:not(:last-child)::after { content: "→"; position: absolute; right: -.95rem; top: 50%; transform: translateY(-50%); color: var(--accent); font-weight: 700; z-index: 1; }
.pipeline strong { font: 700 1.5rem var(--mono); }
.pipeline span:last-child { color: var(--muted); font-size: .92rem; }
.step-num { font: 600 .75rem var(--mono); color: var(--accent-2); }

/* Features */
.features, .example-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 1rem; }
.feature, .example-card { display: flex; flex-direction: column; padding: 1.4rem; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--border); color: var(--text); transition: border-color .15s, transform .15s; }
.feature:hover, .example-card:hover { border-color: var(--accent); transform: translateY(-2px); text-decoration: none; }
.feature p, .example-card p { color: var(--muted); font-size: .93rem; flex: 1; }
.feature-more { color: var(--accent-2); font-size: .88rem; font-weight: 600; }

/* Speed */
.speed { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }
.bars { padding: 1.75rem; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); }
.bars-title { color: var(--muted); font-size: .88rem; }
.bar { display: grid; grid-template-columns: 7.5rem 1fr 3.5rem; align-items: center; gap: .75rem; margin: .7rem 0; font-size: .92rem; }
.bar-track { height: 12px; border-radius: 6px; background: var(--surface-2); overflow: hidden; }
.bar-fill { height: 100%; border-radius: 6px; background: #4a4a6a; }
.bar-hi .bar-fill { background: linear-gradient(90deg, var(--accent), var(--accent-2)); }
.bar-hi .bar-name { font-weight: 700; }
.bar-value { font: .85rem var(--mono); text-align: right; color: var(--muted); }

/* Tables */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); }
.table { width: 100%; border-collapse: collapse; font-size: .93rem; }
.table th, .table td { padding: .7rem 1rem; text-align: left; border-bottom: 1px solid var(--border); }
.table thead th { background: var(--surface); color: var(--muted); font-weight: 600; font-size: .82rem; text-transform: uppercase; letter-spacing: .05em; }
.table tbody tr:last-child td { border-bottom: 0; }
.table tbody tr:hover { background: var(--bg-alt); }
.bench .num { font-family: var(--mono); text-align: right; white-space: nowrap; }
.bench th:not(:first-child) { text-align: right; }
.bench .best { color: var(--accent-2); font-weight: 700; }
.callouts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin: 2.5rem 0; }
.callout { padding: 1.4rem; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); }
.callout p { color: var(--muted); margin: 0; }

/* Get started */
.get-started { text-align: center; }
.get-started .lead { margin-inline: auto; }
.get-started .code { text-align: left; margin-top: 1.5rem; }

/* Examples */
.examples { display: grid; grid-template-columns: 210px 1fr; gap: 2.5rem; align-items: start; }
.examples-nav { position: sticky; top: 88px; }
.examples-nav nav { display: grid; gap: .15rem; }
.examples-nav a { color: var(--muted); padding: .45rem .75rem; border-radius: 8px; }
.examples-nav a:hover { color: var(--text); background: var(--surface); text-decoration: none; }
.examples-nav a.active { color: var(--text); background: var(--surface-2); box-shadow: inset 2px 0 0 var(--accent); }
.examples-main { min-width: 0; }
.example h1 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); }
.example-split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); gap: 1.25rem; align-items: start; margin-top: 1.5rem; }
.live { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); position: sticky; top: 88px; }
.live-label { display: flex; align-items: center; gap: .5rem; padding: .55rem 1rem; border-bottom: 1px solid var(--border); font: 600 .78rem var(--mono); color: var(--accent-2); text-transform: uppercase; letter-spacing: .1em; }
.pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--accent-2); box-shadow: 0 0 0 0 rgba(47, 213, 197, .6); animation: ping 1.6s infinite; }
@keyframes ping { 70% { box-shadow: 0 0 0 8px rgba(47, 213, 197, 0); } 100% { box-shadow: 0 0 0 0 rgba(47, 213, 197, 0); } }
.live-body { padding: 1.5rem; }
.sources { display: grid; grid-template-columns: minmax(0, 1fr); gap: 1rem; }

/* Demo widgets */
.row { display: flex; gap: .5rem; flex-wrap: wrap; align-items: center; }
.live input:not([type=checkbox]) {
  width: 100%; padding: .6rem .8rem; border-radius: 10px; border: 1px solid var(--border);
  background: var(--bg); color: var(--text); font: inherit;
}
.live input:focus { border-color: var(--accent); outline: none; }
.live .row input { flex: 1; width: auto; min-width: 8rem; }
.note { color: var(--accent-2); margin: 1rem 0 0; }
.demo-counter { text-align: center; }
.demo-counter .big { font-size: 4rem; font-weight: 800; line-height: 1; margin: .25rem 0 .5rem; font-variant-numeric: tabular-nums; }
.demo-counter .row { justify-content: center; }
.todo-list { list-style: none; padding: 0; margin: 1rem 0; }
.todo { display: flex; align-items: center; gap: .5rem; padding: .5rem .25rem; border-bottom: 1px solid var(--border); }
.todo label { display: flex; align-items: center; gap: .6rem; cursor: pointer; }
.todo.done label { color: var(--muted); text-decoration: line-through; }
.todo .remove { margin-left: auto; background: none; border: 0; color: var(--muted); font-size: 1.25rem; cursor: pointer; line-height: 1; }
.todo .remove:hover { color: var(--danger); }
input[type=checkbox] { accent-color: var(--accent); width: 1.05rem; height: 1.05rem; }
.demo-form .field { display: grid; gap: .3rem; margin-bottom: .9rem; }
.demo-form .field > label { font-weight: 600; font-size: .9rem; }
.demo-form .field > label:has(input[type=checkbox]) { display: flex; align-items: center; gap: .5rem; font-weight: 500; }
.field-error { color: var(--danger); font-size: .82rem; min-height: 1.1em; }
.live [aria-invalid=true] { border-color: var(--danger); }
.result { color: var(--accent-2); margin: .75rem 0 0; min-height: 1.6em; }
.chips { list-style: none; padding: 0; margin: .75rem 0 0; display: flex; flex-wrap: wrap; gap: .4rem; }
.chip { padding: .25rem .7rem; border-radius: 999px; background: var(--accent-soft); border: 1px solid rgba(124, 92, 255, .35); font-size: .88rem; }
.card { border: 1px solid var(--border); border-radius: 12px; padding: 1rem 1.1rem; background: var(--bg-alt); }
.card-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: .5rem; }
.card-head h3 { margin: 0; }
.stepper { display: flex; align-items: center; gap: .6rem; margin: .5rem 0; }
.stepper-label { min-width: 5.5rem; }
.stepper output { min-width: 2rem; text-align: center; font-weight: 700; font-variant-numeric: tabular-nums; }
.stepper .btn { width: 2.1rem; }
.total { margin: 1rem 0 0; padding-top: .75rem; border-top: 1px solid var(--border); }

/* Footer */
.site-footer { border-top: 1px solid var(--border); background: var(--bg-alt); padding: 2rem 0; color: var(--muted); font-size: .9rem; }
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; }
.footer-inner p { margin: 0; }
.footer-links { display: flex; flex-wrap: wrap; gap: 1.25rem; }
.footer-links a { color: var(--muted); }
.footer-links a:hover { color: var(--text); }

.not-found { text-align: center; }
.not-found h1 { font-size: 5rem; }

/* Responsive */
@media (max-width: 960px) {
  .hero-inner, .speed, .code-pair, .example-split { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(3) { border-left: 0; }
  .stat:nth-child(n+3) { border-top: 1px solid var(--border); }
  .pipeline { grid-template-columns: repeat(2, 1fr); }
  .pipeline li::after { display: none; }
  .callouts { grid-template-columns: 1fr; }
  .examples { grid-template-columns: 1fr; gap: 1rem; }
  .examples-nav { position: static; }
  .examples-nav nav { display: flex; flex-wrap: wrap; }
  .live { position: static; }
}
@media (max-width: 600px) {
  .hero { padding-top: 3rem; }
  .site-header { position: static; }
  .header-inner { height: auto; padding: .6rem 0; flex-direction: column; align-items: flex-start; gap: .4rem; }
  .site-nav { flex-wrap: nowrap; margin-left: -.55rem; }
  .site-nav a { padding: .3rem .55rem; }
  .site-nav .version { display: none; }
  .pipeline { grid-template-columns: 1fr; }
  .section { padding: 3.5rem 0; }
  .bar { grid-template-columns: 6rem 1fr 3rem; }
}
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}