:root {
  --bg: #0b1020;
  --panel: rgba(255, 255, 255, 0.06);
  --panel2: rgba(255, 255, 255, 0.1);
  --text: rgba(255, 255, 255, 0.92);
  --muted: rgba(255, 255, 255, 0.7);
  --brand: #9dff20;
  --brand2: #52c7ff;
  --border: rgba(255, 255, 255, 0.14);
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
  --radius: 18px;
  --radius2: 26px;
  --max: 1080px;
  --gap: 16px;
  --gap2: 24px;
  --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji",
    "Segoe UI Emoji";
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #ffffff;
    --panel: rgba(10, 18, 40, 0.05);
    --panel2: rgba(10, 18, 40, 0.08);
    --text: rgba(10, 18, 40, 0.92);
    --muted: rgba(10, 18, 40, 0.7);
    --border: rgba(10, 18, 40, 0.14);
    --shadow: 0 20px 60px rgba(10, 18, 40, 0.12);
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  color-scheme: light dark;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  background: radial-gradient(1200px 800px at 10% 10%, rgba(82, 199, 255, 0.22), transparent 60%),
    radial-gradient(900px 600px at 90% 0%, rgba(157, 255, 32, 0.15), transparent 50%),
    radial-gradient(1000px 800px at 40% 110%, rgba(157, 255, 32, 0.08), transparent 55%), var(--bg);
  color: var(--text);
  line-height: 1.6;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.16em;
}

a:hover {
  text-decoration-color: var(--brand);
}

:focus-visible {
  outline: 3px solid rgba(82, 199, 255, 0.9);
  outline-offset: 3px;
  border-radius: 10px;
}

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

.skip-link {
  position: absolute;
  left: -999px;
  top: 8px;
  padding: 10px 12px;
  background: rgba(0, 0, 0, 0.85);
  color: #fff;
  border-radius: 10px;
  z-index: 1000;
}

.skip-link:focus {
  left: 12px;
}

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

.muted {
  color: var(--muted);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  background: color-mix(in oklab, var(--bg), transparent 55%);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "brand blurb"
    "nav nav";
  align-items: center;
  column-gap: var(--gap2);
  row-gap: 10px;
  padding: 14px 0 12px;
}

.brand {
  grid-area: brand;
}

.header-blurb {
  grid-area: blurb;
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.35;
  text-align: right;
}

.brand-name {
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand-link {
  text-decoration: none;
}

.brand-tagline {
  margin: 2px 0 0;
  font-size: 0.92rem;
  color: var(--muted);
}

.top-nav {
  grid-area: nav;
  display: flex;
  align-items: center;
  gap: 10px;
  justify-content: flex-end;
}

.nav-toggle {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 12px;
  cursor: pointer;
  font-weight: 650;
  display: none;
  align-items: center;
  justify-content: center;
  min-width: 44px;
}

.nav-icon {
  width: 18px;
  height: 12px;
  position: relative;
  display: inline-block;
}

.nav-icon::before,
.nav-icon::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  opacity: 0.9;
}

.nav-icon::before {
  top: 0;
  box-shadow: 0 5px 0 0 currentColor;
}

.nav-icon::after {
  bottom: 0;
}

.nav-panel {
  display: flex;
  gap: 14px;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav-panel a {
  text-decoration: none;
  padding: 8px 10px;
  border-radius: 12px;
  color: var(--muted);
}

.nav-panel a:hover {
  color: var(--text);
  background: var(--panel);
}

.site-main {
  padding-bottom: 60px;
}

.hero {
  padding: 44px 0 22px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 26px;
  align-items: start;
}

.hero-copy h1 {
  margin: 0 0 10px;
  font-size: clamp(2.15rem, 4vw, 3.2rem);
  line-height: 1.12;
  letter-spacing: -0.03em;
}

.lede {
  margin: 0 0 12px;
  font-size: 1.1rem;
}

.cta-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 18px;
}

.hero-about {
  margin-top: 26px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}

.hero-about h2 {
  margin: 0 0 12px;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.hero-about p {
  margin: 0 0 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 14px;
  border-radius: 14px;
  border: 1px solid transparent;
  background: linear-gradient(135deg, rgba(157, 255, 32, 0.95), rgba(82, 199, 255, 0.85));
  color: #061023;
  text-decoration: none;
  font-weight: 800;
  box-shadow: var(--shadow);
}

.button:hover {
  filter: saturate(1.05) brightness(1.02);
}

.button-ghost {
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--border);
  box-shadow: none;
}

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

.avatar {
  margin: 0 0 14px;
  border-radius: 999px;
  overflow: hidden;
  width: min(320px, 100%);
  aspect-ratio: 1 / 1;
  background: color-mix(in oklab, var(--panel2), transparent 20%);
  border: 1px solid var(--border);
}

.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.avatar.small {
  width: 220px;
  margin: 18px auto 0;
}

.avatar.is-missing::before {
  content: "Add an image in /images/";
  display: grid;
  place-items: center;
  height: 100%;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.9rem;
  padding: 12px;
  text-align: center;
}

.toc {
  border-top: 1px solid var(--border);
  padding-top: 14px;
}

.toc-toggle {
  width: 100%;
  text-align: left;
  appearance: none;
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--panel), transparent 10%);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 14px;
  cursor: pointer;
  font-weight: 800;
}

.toc-list {
  margin: 12px 0 0;
  padding-left: 18px;
  color: var(--muted);
}

.toc-list a {
  color: inherit;
  text-decoration: none;
}

.toc-list a:hover {
  color: var(--text);
  text-decoration: underline;
  text-decoration-color: var(--brand);
}

.section {
  padding: 22px 0;
}

.section h2 {
  margin: 0 0 12px;
  font-size: 1.55rem;
  letter-spacing: -0.02em;
}

.section p {
  margin: 0 0 12px;
}

.stack {
  display: grid;
  gap: 14px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}

.card h3 {
  margin: 0 0 8px;
  font-size: 1.15rem;
}

.chips {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.chips li {
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--panel2), transparent 25%);
  padding: 8px 10px;
  border-radius: 999px;
  color: var(--muted);
}

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

.link-list {
  margin: 0;
  padding-left: 18px;
}

.social {
  list-style: none;
  padding: 0;
  margin: 12px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--panel2), transparent 25%);
  color: var(--text);
  text-decoration: none;
  font-weight: 750;
}

.social-link:hover {
  background: var(--panel);
}

.gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 12px;
}

.gallery figure,
.media {
  margin: 0;
}

.media img,
.gallery img {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--panel2), transparent 25%);
  min-height: 120px;
}

img.is-missing {
  background: repeating-linear-gradient(45deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.08) 10px, transparent 10px, transparent 20px);
}

.prose {
  background: color-mix(in oklab, var(--panel), transparent 15%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}

.video {
  position: relative;
  padding-top: 56.25%;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--panel2), transparent 25%);
}

.video-lazy {
  padding-top: 0;
}

.video-thumb {
  display: grid;
  place-items: center;
  position: relative;
  text-decoration: none;
}

.video-thumb img {
  width: 100%;
  border: 0;
  border-radius: var(--radius);
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.video-play {
  position: absolute;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  background: rgba(0, 0, 0, 0.55);
  color: #fff;
  font-weight: 900;
  letter-spacing: 0.02em;
}

.video-fallback {
  margin: 10px 2px 0;
  font-size: 0.95rem;
}

.video iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 18px 0;
  background: color-mix(in oklab, var(--bg), transparent 35%);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

/* Mobile nav behavior */
@media (max-width: 860px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .header-inner {
    grid-template-columns: 1fr;
    grid-template-areas:
      "brand"
      "blurb"
      "nav";
  }

  .header-blurb {
    text-align: left;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav-panel {
    display: none;
    width: min(520px, 92vw);
    position: absolute;
    right: 18px;
    top: 62px;
    background: color-mix(in oklab, var(--bg), transparent 12%);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 10px;
    box-shadow: var(--shadow);
  }

  .nav-panel a {
    display: block;
  }

  .nav-panel[data-open="true"] {
    display: block;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}