@import url("https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500&family=JetBrains+Mono:wght@400;500&family=Space+Grotesk:wght@500;700&display=swap");

:root {
  --radius: .5rem;
  --background: oklch(17% .028 240);
  --foreground: oklch(95% .01 210);
  --card: oklch(22% .03 240);
  --primary: oklch(82% .16 178);
  --primary-foreground: oklch(18% .03 240);
  --secondary: oklch(27% .032 240);
  --muted: oklch(26% .03 240);
  --muted-foreground: oklch(72% .026 225);
  --accent: oklch(85% .18 122);
  --border: oklch(32% .035 240);
  --font-display: "Space Grotesk", ui-sans-serif, system-ui, sans-serif;
  --font-body: "DM Sans", ui-sans-serif, system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
  --gradient-hero: radial-gradient(120% 90% at 12% 0%, color-mix(in oklab, var(--primary) 22%, transparent) 0%, transparent 60%), radial-gradient(90% 70% at 95% 10%, color-mix(in oklab, var(--accent) 16%, transparent) 0%, transparent 55%);
  --gradient-line: linear-gradient(90deg, var(--primary), var(--accent));
  --shadow-glow: 0 0 0 1px color-mix(in oklab, var(--primary) 30%, transparent), 0 18px 50px -22px color-mix(in oklab, var(--primary) 45%, transparent);
  --grid-line: color-mix(in oklab, var(--foreground) 6%, transparent);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--foreground); background: var(--background); font-family: var(--font-body); line-height: 1.5; }
a { color: inherit; text-decoration: none; }
button { color: inherit; font: inherit; }
svg { display: block; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.container { width: min(100%, 72rem); margin-inline: auto; padding-inline: 1.25rem; }
.skip-link { position: fixed; top: .75rem; left: .75rem; z-index: 100; padding: .7rem 1rem; color: var(--primary-foreground); background: var(--primary); transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }

.site-header { position: sticky; top: 0; z-index: 30; border-bottom: 1px solid var(--border); background: color-mix(in oklab, var(--background) 85%, transparent); backdrop-filter: blur(12px); }
.header-inner { display: flex; align-items: center; justify-content: space-between; width: min(100%, 72rem); min-height: 60px; margin-inline: auto; padding-inline: 1.25rem; }
.brand { display: flex; align-items: center; gap: .5rem; font-family: var(--font-display); font-size: 1.125rem; font-weight: 700; }
.brand svg { width: 1.25rem; color: var(--primary); }
.brand strong { color: var(--primary); }
nav { display: flex; align-items: center; gap: 1.5rem; color: var(--muted-foreground); font-family: var(--font-mono); font-size: .75rem; letter-spacing: .1em; text-transform: uppercase; }
nav a { transition: color .15s ease; }
nav a:hover, nav a:focus-visible { color: var(--primary); }

.hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--border); background-image: var(--gradient-hero); }
.grid-surface { position: absolute; inset: 0; opacity: .6; background-image: linear-gradient(to right, var(--grid-line) 1px, transparent 1px), linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px); background-size: 44px 44px; mask-image: linear-gradient(to bottom, #000, transparent 90%); }
.hero-inner { position: relative; padding-block: 8rem; }
.eyebrow { display: flex; align-items: center; gap: .5rem; margin: 0; color: var(--primary); font: .75rem var(--font-mono); letter-spacing: .28em; text-transform: uppercase; }
.eyebrow svg { width: .875rem; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 48rem; margin: 1.5rem 0 0; font-family: var(--font-display); font-size: 3.75rem; font-weight: 700; letter-spacing: -.025em; line-height: 1.05; }
h1 span, .brand strong { background: var(--gradient-line); background-clip: text; color: transparent; }
.hero-copy { max-width: 36rem; margin: 1.5rem 0 0; color: var(--muted-foreground); font-size: 1.125rem; line-height: 1.625; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 2.25rem; }
.button, .filter { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; min-height: 2.5rem; padding: .5rem 1rem; border: 1px solid transparent; border-radius: calc(var(--radius) - 2px); font-weight: 500; cursor: pointer; transition: background-color .15s, border-color .15s, transform .15s; }
.button:hover { transform: translateY(-1px); }
.button-primary { color: var(--primary-foreground); background: var(--primary); }
.button-primary:hover { background: color-mix(in oklab, var(--primary) 90%, white); }
.button-outline { border-color: var(--border); background: var(--background); }
.button-outline:hover { border-color: var(--primary); background: var(--secondary); }
.button svg { width: 1rem; }
.hero-stats { display: grid; grid-template-columns: repeat(3, 1fr); max-width: 42rem; gap: 1.5rem; margin: 3.5rem 0 0; padding-top: 2rem; border-top: 1px solid var(--border); font-family: var(--font-mono); }
.hero-stats dt { color: var(--primary); font-size: 1.5rem; font-weight: 500; }
.hero-stats dd { margin: .25rem 0 0; color: var(--muted-foreground); font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; }

.section { padding-block: 5rem; scroll-margin-top: 5rem; }
.section-heading { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 1.5rem; }
.section-heading > div:first-child { max-width: 36rem; }
h2 { margin-bottom: 0; font-family: var(--font-display); font-size: 2.25rem; font-weight: 700; letter-spacing: -.025em; line-height: 1.12; }
.section-heading p { margin: .75rem 0 0; color: var(--muted-foreground); }
.filters { display: flex; gap: .5rem; }
.filter { min-height: 2.25rem; padding: .35rem .75rem; color: var(--foreground); background: transparent; border-color: var(--border); font: .75rem var(--font-mono); }
.filter:hover { border-color: var(--primary); background: var(--secondary); }
.filter.active { color: var(--primary-foreground); background: var(--primary); border-color: var(--primary); }
.cert-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; margin-top: 2.5rem; }
.cert-card { display: flex; flex-direction: column; min-height: 270px; padding: 1.5rem; border: 1px solid var(--border); border-radius: var(--radius); background: var(--card); transition: border-color .2s, box-shadow .2s, transform .2s, opacity .2s; }
.cert-card:hover { border-color: color-mix(in oklab, var(--primary) 55%, transparent); box-shadow: var(--shadow-glow); transform: translateY(-3px); }
.cert-card[hidden] { display: none; }
.card-top { display: flex; align-items: center; justify-content: space-between; gap: .75rem; color: var(--muted-foreground); font: .75rem var(--font-mono); }
.badge { padding: .25rem .6rem; color: var(--foreground); background: var(--secondary); border-radius: calc(var(--radius) - 2px); font-size: .65rem; text-transform: uppercase; }
.cert-card h3 { margin: 1rem 0 0; font-family: var(--font-display); font-size: 1.125rem; font-weight: 500; line-height: 1.375; }
.vendor { margin: .25rem 0 0; color: var(--primary); font: .75rem var(--font-mono); }
.blurb { flex: 1; margin: .75rem 0 0; color: var(--muted-foreground); font-size: .875rem; line-height: 1.625; }
.card-footer { display: flex; align-items: center; justify-content: space-between; gap: .75rem; margin-top: 1.25rem; padding-top: 1rem; border-top: 1px solid var(--border); color: var(--muted-foreground); font: .75rem var(--font-mono); }
.card-footer > span { max-width: 55%; }
.card-footer a { display: inline-flex; gap: .35rem; color: var(--primary); white-space: nowrap; }
.card-footer a:hover { text-decoration: underline; }

.roadmap { border-block: 1px solid var(--border); background: color-mix(in oklab, var(--card) 40%, transparent); scroll-margin-top: 5rem; }
.roadmap-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: 2.5rem; }
.roadmap-grid article { padding: 1.5rem; border: 1px solid var(--border); border-radius: var(--radius); background: var(--card); }
.roadmap-grid span { color: var(--accent); font: .75rem var(--font-mono); }
.roadmap-grid h3 { margin: .75rem 0 0; font-family: var(--font-display); font-size: 1.125rem; font-weight: 500; }
.roadmap-grid p { margin: .5rem 0 0; color: var(--muted-foreground); font-size: .875rem; line-height: 1.625; }

.api-label { display: flex; align-items: center; gap: .5rem; color: var(--accent); font: .75rem var(--font-mono); letter-spacing: .1em; text-transform: uppercase; }
.api-label svg { width: .875rem; fill: currentColor; }
.news-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .75rem; margin-top: 2.5rem; }
.news-card { display: flex; flex-direction: column; justify-content: space-between; gap: 1rem; min-height: 112px; padding: 1.25rem; border: 1px solid var(--border); border-radius: var(--radius); background: var(--card); transition: border-color .2s, box-shadow .2s, transform .2s; }
.news-card:hover { border-color: color-mix(in oklab, var(--primary) 55%, transparent); box-shadow: var(--shadow-glow); transform: translateY(-3px); }
.news-card h3 { margin: 0; font-family: var(--font-display); font-size: 1rem; font-weight: 500; line-height: 1.375; }
.news-meta { display: flex; align-items: center; justify-content: space-between; gap: .75rem; color: var(--muted-foreground); font: .75rem var(--font-mono); }
.news-meta > span:first-child { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.news-meta-right { display: flex; flex-shrink: 0; align-items: center; gap: .75rem; }
.points { color: var(--primary); }
.external-arrow { transition: transform .15s; }
.news-card:hover .external-arrow { transform: translate(.125rem, -.125rem); }
.news-skeleton { height: 112px; border-radius: var(--radius); background: var(--muted); animation: pulse 2s cubic-bezier(.4,0,.6,1) infinite; }
.news-error { grid-column: 1 / -1; margin: 0; padding: 1.5rem; color: var(--muted-foreground); background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); font-size: .875rem; }

footer { border-top: 1px solid var(--border); }
.footer-inner { padding-block: 2.5rem; color: var(--muted-foreground); font: .75rem var(--font-mono); }
.footer-rule { display: block; width: 4rem; height: 1px; background: var(--gradient-line); }
.footer-inner p { margin: 1rem 0 0; }

@keyframes pulse { 50% { opacity: .5; } }

@media (max-width: 900px) {
  .cert-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .roadmap-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .roadmap-link { display: none; }
  nav { gap: 1rem; }
  .hero-inner { padding-block: 6rem; }
  h1 { font-size: 2.25rem; }
  .hero-copy { font-size: 1rem; }
  .hero-stats { gap: 1rem; }
  .hero-stats dt { font-size: 1.25rem; }
  .section { padding-block: 4rem; }
  h2 { font-size: 1.875rem; }
  .filters { width: 100%; overflow-x: auto; padding-bottom: .25rem; }
  .cert-grid, .news-grid { grid-template-columns: 1fr; }
  .cert-card { min-height: auto; }
  .section-heading { align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}