@font-face {
  font-family: "Space Grotesk";
  src: url("fonts/space-grotesk-400.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Space Grotesk";
  src: url("fonts/space-grotesk-500.woff2") format("woff2");
  font-weight: 500;
  font-display: swap;
}

@font-face {
  font-family: "Space Grotesk";
  src: url("fonts/space-grotesk-700.woff2") format("woff2");
  font-weight: 700;
  font-display: swap;
}

@font-face {
  font-family: "JetBrains Mono";
  src: url("fonts/jetbrains-mono-400.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "JetBrains Mono";
  src: url("fonts/jetbrains-mono-700.woff2") format("woff2");
  font-weight: 700;
  font-display: swap;
}

:root {
  color-scheme: dark;
  --bg: #0e0f11;
  --surface: #17181b;
  --line: #2a2c31;
  --fg: #eceae4;
  --muted: #9a9ca3;
  --accent: #ff5a36;
  --accent-contrast: #0e0f11;
  --font-sans: "Space Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --max-width: 72rem;
  --gutter: 1rem;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
}

a {
  color: var(--accent);
}

a:focus-visible,
.button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

::selection {
  background: var(--accent);
  color: var(--accent-contrast);
}

.skip-link {
  position: absolute;
  left: var(--gutter);
  top: -4rem;
  padding: 0.5rem 1rem;
  background: var(--accent);
  color: var(--accent-contrast);
  font-family: var(--font-mono);
  z-index: 10;
}

.skip-link:focus {
  top: var(--gutter);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 0.75rem 2rem;
  padding: 1rem var(--gutter);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.brand {
  color: var(--fg);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-decoration: none;
}

.brand::before {
  content: "";
  display: inline-block;
  width: 0.65rem;
  height: 0.65rem;
  margin-right: 0.6rem;
  background: var(--accent);
}

.site-header nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
}

.site-header nav a {
  padding-top: 0.4rem;
  border-top: 2px solid var(--line);
  color: var(--muted);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  transition: border-color 0.2s, color 0.2s;
}

.site-header nav a:hover {
  border-top-color: var(--accent);
  color: var(--fg);
}

main {
  counter-reset: section;
}

section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 4.5rem var(--gutter);
}

h1,
h2,
h3 {
  margin: 0 0 0.75rem;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

h1 {
  max-width: 18ch;
  font-size: clamp(2.5rem, 7vw, 5rem);
  font-weight: 700;
}

h1 .accent {
  color: var(--accent);
}

h2 {
  counter-increment: section;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
}

h2::before {
  content: counter(section, decimal-leading-zero) " /";
  display: block;
  margin-bottom: 0.75rem;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.08em;
}

h3 {
  font-size: 1.2rem;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.hero {
  position: relative;
  display: flex;
  align-items: center;
  max-width: none;
  min-height: 85vh;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--bg) 5%, transparent 75%);
}

#mesh {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-content {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
}

.eyebrow {
  margin: 0 0 1.25rem;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.lead {
  max-width: 38rem;
  margin: 1.5rem 0 0;
  color: var(--muted);
  font-size: 1.2rem;
}

.availability {
  margin: 1.25rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.availability::before {
  content: "";
  display: inline-block;
  width: 0.5rem;
  height: 0.5rem;
  margin-right: 0.6rem;
  background: var(--accent);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.button {
  display: inline-block;
  padding: 0.75rem 1.25rem;
  border: 1px solid var(--fg);
  color: var(--fg);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-decoration: none;
  text-transform: uppercase;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.button:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.button.primary {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--accent-contrast);
  font-weight: 700;
}

.button.primary:hover {
  background: var(--fg);
  border-color: var(--fg);
  color: var(--accent-contrast);
}

.section-intro {
  max-width: 40rem;
  color: var(--muted);
}

.grid {
  display: grid;
  gap: 1px;
  margin-top: 2rem;
  background: var(--line);
  border: 1px solid var(--line);
}

.card {
  padding: 1.5rem;
  background: var(--surface);
  transition: background 0.2s;
}

.card:hover {
  background: #1d1f23;
}

.card p {
  margin: 0;
  color: var(--muted);
}

.card .tag {
  margin-bottom: 1rem;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.facts {
  display: grid;
  gap: 0.75rem;
  margin: 1.25rem 0 0;
}

.facts dt {
  color: var(--fg);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.facts dd {
  margin: 0;
  color: var(--muted);
}

.timeline {
  margin: 2rem 0 0;
  padding: 0;
  list-style: none;
}

.timeline li {
  display: grid;
  gap: 0.5rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--line);
}

.timeline p {
  margin: 0;
  color: var(--muted);
}

.timeline .period {
  color: var(--fg);
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.timeline .org {
  margin-bottom: 0.75rem;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.timeline-heading {
  margin: 3rem 0 0;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.stack {
  display: grid;
  gap: 1.5rem;
  margin: 2rem 0 0;
}

.stack dt {
  margin-bottom: 0.25rem;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.stack dd {
  margin: 0;
}

.contact {
  border-top: 1px solid var(--line);
}

.contact .actions {
  margin-top: 1.5rem;
}

.site-footer {
  padding: 2rem var(--gutter);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-align: center;
}

.site-footer p {
  margin: 0;
}

@media (min-width: 40rem) {
  :root {
    --gutter: 2rem;
  }

  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }

  .timeline li {
    grid-template-columns: 10rem 1fr;
    gap: 2rem;
  }

  .stack {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 64rem) {
  .stack {
    grid-template-columns: repeat(3, 1fr);
  }
}