/* ==========================================================================
   Homepage. Always dark (it's space). Shares fonts and the six-square mark
   with the blog; everything else is its own thing.
   ========================================================================== */

:root {
  color-scheme: dark;
  --bg: #05050a;
  --surface: #0d0d14;
  --text: #f3f2ef;
  --text-2: #b0afba;
  --text-3: #74737f;
  --border: rgb(255 255 255 / 8%);
  --border-strong: rgb(255 255 255 / 16%);
  --hot: #ffb36b;

  --c-green: #7ab045;
  --c-yellow: #ffc05a;
  --c-orange: #f27345;
  --c-red: #ec414f;
  --c-purple: #af499d;
  --c-blue: #4288c5;

  --font-sans: "Geist", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-serif: "Newsreader", Charter, "Iowan Old Style", Georgia, serif;
  --font-mono: "Geist Mono", ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;
  --gutter: clamp(1rem, 4vw, 3rem);
  --ease-out: cubic-bezier(0.2, 0.8, 0.2, 1);
  --ease-spring: cubic-bezier(0.3, 1.4, 0.5, 1);
}

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

html { background: var(--bg); scroll-behavior: smooth; -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 1rem/1.6 var(--font-sans);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; }
:focus-visible { outline: 2px solid var(--hot); outline-offset: 3px; border-radius: 4px; }
::selection { background: rgb(255 179 107 / 35%); }

h1, h2 { font-weight: 600; letter-spacing: -0.03em; line-height: 1.05; text-wrap: balance; margin: 0; }

.skip-link {
  position: absolute; left: 1rem; top: -4rem; z-index: 100;
  padding: 0.6rem 1rem; border-radius: 0.5rem;
  background: var(--text); color: var(--bg); text-decoration: none; font-weight: 600;
}
.skip-link:focus { top: 1rem; }

/* ---------- Spectrum mark ---------- */
.spectrum-mark { --sq: 0.4rem; display: inline-grid; grid-template-columns: repeat(3, var(--sq)); gap: 2px; flex: none; }
.spectrum-mark i { width: var(--sq); height: var(--sq); border-radius: 1.5px; background: var(--c); transition: transform 0.35s var(--ease-spring); }
.spectrum-mark i:nth-child(1) { --c: var(--c-green); }
.spectrum-mark i:nth-child(2) { --c: var(--c-yellow); transition-delay: 30ms; }
.spectrum-mark i:nth-child(3) { --c: var(--c-orange); transition-delay: 60ms; }
.spectrum-mark i:nth-child(4) { --c: var(--c-red); transition-delay: 90ms; }
.spectrum-mark i:nth-child(5) { --c: var(--c-purple); transition-delay: 120ms; }
.spectrum-mark i:nth-child(6) { --c: var(--c-blue); transition-delay: 150ms; }
a:hover > .spectrum-mark i { transform: translateY(-3px); }
a:hover > .spectrum-mark i:nth-child(n+4) { transform: translateY(3px); }

/* ---------- Top bar ---------- */
.top {
  position: absolute; inset: 0 0 auto; z-index: 5;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 1.25rem var(--gutter);
  pointer-events: none;
}
.top > * { pointer-events: auto; }
.brand { display: inline-flex; align-items: center; gap: 0.65rem; text-decoration: none; font-weight: 600; letter-spacing: -0.015em; }
.top nav { display: flex; gap: 0.25rem; }
.top nav a {
  padding: 0.4rem 0.75rem; border-radius: 999px;
  color: var(--text-2); text-decoration: none; font-size: 0.9rem;
  transition: color 0.2s, background-color 0.2s;
}
.top nav a:hover { color: var(--text); background: rgb(255 255 255 / 8%); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  height: 100vh; height: 100svh; min-height: 36rem;
  overflow: hidden;
  isolation: isolate;
}
#bh-canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; touch-action: pan-y; }

/* Shown until WebGL is up, and forever if it never is. */
.hero__fallback {
  position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(circle at 68% 48%, #000 0 7.5vmin, transparent 8vmin),
    radial-gradient(circle at 68% 48%, transparent 0 7.6vmin, rgb(255 210 160 / 85%) 8.2vmin, rgb(255 140 60 / 40%) 10vmin, transparent 16vmin),
    radial-gradient(ellipse 34vmin 4vmin at 68% 48%, rgb(255 170 90 / 70%), transparent 70%),
    radial-gradient(ellipse at 30% 30%, rgb(175 73 157 / 12%), transparent 60%),
    var(--bg);
  transition: opacity 1.2s var(--ease-out);
}
.has-webgl .hero__fallback { opacity: 0; }
.no-webgl #bh-canvas { display: none; }

/* Keep the copy legible over the brightest parts of the disk. */
.hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    linear-gradient(90deg, rgb(5 5 10 / 70%) 0%, rgb(5 5 10 / 25%) 38%, transparent 60%),
    linear-gradient(0deg, var(--bg) 0%, transparent 18%);
}

.hero__copy {
  position: absolute; z-index: 2;
  left: var(--gutter); bottom: clamp(5rem, 13vh, 9rem);
  width: min(44rem, 52vw);
  pointer-events: none;
}
.hero__copy a { pointer-events: auto; }

.hero h1 {
  font-size: clamp(2.4rem, 5.4vw, 5.6rem);
  text-shadow: 0 2px 30px rgb(0 0 0 / 60%);
}
.hero h1 em {
  font-family: var(--font-serif); font-style: italic; font-weight: 500; letter-spacing: -0.02em;
  padding-right: 0.06em;
  background: linear-gradient(100deg, #fff4e0 0%, var(--c-yellow) 30%, var(--c-orange) 55%, var(--c-red) 75%, var(--c-purple) 100%);
  background-size: 200% 100%;
  -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: shimmer 9s ease-in-out infinite alternate;
  text-shadow: none;
  filter: drop-shadow(0 0 24px rgb(255 140 60 / 35%));
}
@keyframes shimmer { to { background-position: 100% 0; } }

.hero__sub {
  margin: 1.5rem 0 0; max-width: 34rem;
  font-size: clamp(1.05rem, 1.4vw, 1.25rem); line-height: 1.55; color: var(--text-2);
  text-shadow: 0 1px 12px rgb(0 0 0 / 80%);
}
.hero__sub strong { color: var(--text); font-weight: 600; }

.hero__actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 2rem; }
.btn {
  display: inline-flex; align-items: center; gap: 0.4rem;
  padding: 0.7rem 1.15rem; border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: rgb(10 10 16 / 50%);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  color: var(--text); text-decoration: none; font-weight: 500; font-size: 0.95rem;
  transition: transform 0.25s var(--ease-spring), background-color 0.2s, border-color 0.2s;
}
.btn:hover { transform: translateY(-2px); background: rgb(255 255 255 / 10%); }
.btn--primary { background: var(--text); color: var(--bg); border-color: var(--text); }
.btn--primary:hover { background: #fff; box-shadow: 0 8px 30px -8px rgb(255 179 107 / 60%); }

/* ---------- Content ---------- */
.content {
  position: relative;
  width: min(100% - 2 * var(--gutter), 72rem);
  margin: 0 auto;
  padding: clamp(3rem, 8vw, 6rem) 0 2rem;
}
/* A sprinkle of stars so the page doesn't go flat after the hero. */
.content::before {
  content: ""; position: absolute; inset: 0 calc(-1 * var(--gutter)); z-index: -1; pointer-events: none;
  background-image:
    radial-gradient(1px 1px at 12% 8%, #fff8, transparent),
    radial-gradient(1px 1px at 78% 14%, #fff6, transparent),
    radial-gradient(1.5px 1.5px at 42% 30%, #ffd9a855, transparent),
    radial-gradient(1px 1px at 88% 46%, #fff5, transparent),
    radial-gradient(1px 1px at 6% 58%, #cfe0ff66, transparent),
    radial-gradient(1.5px 1.5px at 64% 70%, #fff5, transparent),
    radial-gradient(1px 1px at 24% 86%, #fff6, transparent),
    radial-gradient(1px 1px at 94% 92%, #ffd9a866, transparent);
}

.block { padding: clamp(2.5rem, 5vw, 4rem) 0; }
.block h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); margin-bottom: 1.25rem; }
.block p { margin: 0 0 1rem; max-width: 40rem; color: var(--text-2); font-size: 1.05rem; }
.block p a { color: var(--text); text-decoration-color: var(--hot); text-underline-offset: 0.2em; }
.block p a:hover { color: var(--hot); }
.block .lede { font-family: var(--font-serif); font-size: clamp(1.25rem, 2vw, 1.5rem); line-height: 1.45; color: var(--text); }
.block .block__body > :not(h2) { margin-left: 1rem; }

.shipped { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.75rem; }
.shipped li:first-child { grid-column: span 2; }
.shipped li:first-child strong { font-size: 1.5rem; max-width: 18ch; }
.shipped li {
  position: relative; overflow: hidden;
  display: flex; flex-direction: column; justify-content: space-between; gap: 2rem;
  min-height: 8.5rem; padding: 1rem 1.1rem;
  border: 1px solid var(--border); border-radius: 0.9rem;
  background: linear-gradient(160deg, color-mix(in srgb, var(--c) 12%, var(--surface)), var(--surface) 60%);
  transition: transform 0.35s var(--ease-spring), border-color 0.2s;
}
.shipped li::after {
  content: ""; position: absolute; right: -2.5rem; top: -2.5rem; width: 6rem; height: 6rem; border-radius: 50%;
  background: radial-gradient(circle, color-mix(in srgb, var(--c) 55%, transparent), transparent 70%);
  opacity: 0.5; transition: opacity 0.3s, transform 0.4s var(--ease-out);
}
.shipped li:hover { transform: translateY(-4px) rotate(-0.6deg); border-color: color-mix(in srgb, var(--c) 50%, transparent); }
.shipped li:hover::after { opacity: 1; transform: scale(1.3); }
.shipped__n { font: 0.75rem var(--font-mono); color: var(--c); }
.shipped strong { font-weight: 600; font-size: 1.1rem; line-height: 1.25; letter-spacing: -0.01em; }

.tags { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0.5rem; }
.tags li, .tags a {
  display: inline-block; padding: 0.45rem 0.9rem; border-radius: 999px;
  border: 1px solid var(--border-strong); color: var(--text); font-size: 0.95rem; text-decoration: none;
}
.tags--projects li { padding: 0; border: 0; }
.tags--projects a { position: relative; padding-left: 1.6rem; transition: border-color 0.2s, background-color 0.2s; }
.tags--projects a::before { content: ""; position: absolute; left: 0.75rem; top: 50%; width: 0.45rem; height: 0.45rem; margin-top: -0.225rem; border-radius: 2px; background: var(--c); }
.tags--projects a:hover { border-color: var(--c); background: color-mix(in srgb, var(--c) 12%, transparent); }

.posts { list-style: none; margin: 0 0 1.25rem; padding: 0; }
.posts li + li { border-top: 1px solid var(--border); }
.posts a { display: grid; grid-template-columns: 8rem 1fr; gap: 0.25rem 1.5rem; padding: 1.1rem 0; text-decoration: none; }
.posts time { grid-row: span 2; padding-top: 0.25rem; font: 0.8rem var(--font-mono); color: var(--text-3); }
.posts__title { font-size: 1.2rem; font-weight: 600; letter-spacing: -0.015em; transition: color 0.2s; }
.posts__desc { color: var(--text-2); font-size: 0.95rem; }
.posts a:hover .posts__title { color: var(--hot); }

.more { display: inline-flex; gap: 0.4rem; margin-top: 1.25rem; font: 500 0.85rem var(--font-mono); color: var(--hot); text-decoration: none; }
.more span { transition: transform 0.25s var(--ease-spring); }
.more:hover span { transform: translateX(4px); }

.links { list-style: none; margin: 1.5rem 0 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr)); gap: 0.75rem; }
.links a {
  display: flex; justify-content: space-between; align-items: baseline; gap: 1rem;
  padding: 1rem 1.1rem; border: 1px solid var(--border); border-radius: 0.9rem;
  background: var(--surface); text-decoration: none; font-weight: 600;
  transition: border-color 0.2s, transform 0.3s var(--ease-spring);
}
.links a span { font: 400 0.78rem var(--font-mono); color: var(--text-3); }
.links a:hover { border-color: var(--hot); transform: translateY(-2px); }

/* ---------- Footer ---------- */
.foot {
  width: min(100% - 2 * var(--gutter), 72rem);
  margin: 0 auto; padding: 3rem 0 4rem;
  border-top: 1px solid var(--border);
  color: var(--text-3); font-size: 0.85rem;
}
.foot__ascii {
  margin: 0 0 1.5rem; font: 0.75rem/1.15 var(--font-mono);
  background: linear-gradient(90deg, var(--c-green), var(--c-yellow), var(--c-orange), var(--c-red), var(--c-purple), var(--c-blue));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  width: max-content;
}
.foot p { margin: 0 0 0.4rem; }
.foot a { color: var(--text-2); }

/* ---------- Small screens ---------- */
@media (max-width: 900px) {
  .hero::after { background: linear-gradient(0deg, var(--bg) 0%, rgb(5 5 10 / 75%) 38%, transparent 70%); }
  .hero__copy { width: auto; right: var(--gutter); bottom: 2rem; }
  .shipped { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .top nav a:nth-child(n+3) { display: none; }
  .top .brand span:last-child { display: none; }
  .hero__actions .btn:not(.btn--primary) { display: none; }
  .hero h1 { font-size: 9.1vw; }
  .posts a { grid-template-columns: 1fr; }
  .posts time { grid-row: auto; }
}

/* Sections drift up into view as you scroll, where supported. */
@supports (animation-timeline: view()) {
  .block__body > * { animation: rise linear both; animation-timeline: view(); animation-range: entry 0% entry 40%; }
  @keyframes rise { from { opacity: 0; transform: translateY(1.5rem); } }
}

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