:root {
  color-scheme: dark;
  --background: #000500;
  --foreground: #acadbc;
  --card: #0a0c14;
  --card-foreground: #acadbc;
  --primary: #473bf0;
  --primary-foreground: #ffffff;
  --secondary: #14161f;
  --secondary-foreground: #9b9ece;
  --muted: #14161f;
  --muted-foreground: #6f7187;
  --accent: #6665dd;
  --accent-foreground: #ffffff;
  --border: #1d2030;
}

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

html,
body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  font-family:
    Inter,
    system-ui,
    -apple-system,
    Segoe UI,
    Roboto,
    sans-serif;
  background: var(--background);
  color: var(--foreground);
  line-height: 1.6;
}

a {
  color: inherit;
}

.site-shell {
  min-height: 100vh;
}

.container {
  width: min(1100px, 100% - 3rem);
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--background) 80%, transparent);
  backdrop-filter: blur(12px);
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
}

.brand {
  font-family:
    ui-monospace,
    SFMono-Regular,
    Menlo,
    Monaco,
    Consolas,
    Liberation Mono,
    Courier New,
    monospace;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  text-decoration: none;
}

.brand-dot {
  color: var(--accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-links a {
  color: var(--muted-foreground);
  text-decoration: none;
  transition: color 120ms ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--foreground);
}

.home-section {
  padding-top: 6rem;
  padding-bottom: 5rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 290px;
  gap: 2rem;
  align-items: start;
}

.availability {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--muted-foreground);
  font-size: 0.9rem;
}

.availability-dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 999px;
  background: var(--accent);
}

.hero-title {
  margin: 1.5rem 0 0;
  max-width: 16ch;
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: #f5f7ff;
}

.hero-highlight {
  color: var(--accent);
}

.hero-copy {
  margin-top: 1.5rem;
  max-width: 65ch;
  color: var(--foreground);
  font-size: 1.08rem;
}

.cta-row {
  margin-top: 2rem;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid transparent;
  border-radius: 0.7rem;
  padding: 0.7rem 1rem;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  transition:
    transform 120ms ease,
    border-color 120ms ease,
    background-color 120ms ease,
    color 120ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  background: var(--primary);
  color: var(--primary-foreground);
}

.button-primary:hover {
  background: var(--accent);
}

.button-secondary {
  border-color: var(--border);
  background: var(--secondary);
  color: var(--foreground);
}

.button-secondary:hover {
  border-color: var(--accent);
  color: #f5f7ff;
}

.social-links {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}

.social-links a {
  color: var(--muted-foreground);
  text-decoration: none;
  font-size: 0.9rem;
}

.social-links a:hover {
  color: var(--foreground);
}

.profile-card {
  margin-top: 0.4rem;
  border-radius: 1rem;
  border: 1px solid var(--border);
  background: var(--card);
  padding: 0.7rem;
}

.profile-image {
  width: 100%;
  display: block;
  border-radius: 0.75rem;
  object-fit: cover;
  aspect-ratio: 1 / 1;
  filter: grayscale(100%);
}

.stats {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  display: grid;
  gap: 1.2rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.stats-value {
  margin: 0;
  color: #f5f7ff;
  font-size: clamp(1.8rem, 4vw, 2.7rem);
  font-weight: 600;
}

.stats-label {
  margin-top: 0.2rem;
  font-size: 0.9rem;
  color: var(--muted-foreground);
}

.stack {
  margin-top: 3rem;
}

.stack-title {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--secondary-foreground);
}

.stack-list {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.stack-list li {
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--card);
  padding: 0.3rem 0.65rem;
  font-family:
    ui-monospace,
    SFMono-Regular,
    Menlo,
    Monaco,
    Consolas,
    Liberation Mono,
    Courier New,
    monospace;
  font-size: 0.75rem;
  color: var(--muted-foreground);
}

.articles-section {
  padding-top: 5rem;
  padding-bottom: 5rem;
}

.section-title {
  margin: 0;
  color: #f5f7ff;
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: 600;
  letter-spacing: -0.01em;
}

.section-copy {
  margin: 0.8rem 0 0;
  max-width: 65ch;
  color: var(--muted-foreground);
}

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

.article-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  border: 1px solid var(--border);
  border-radius: 0.9rem;
  background: var(--card);
  padding: 1.25rem;
  text-decoration: none;
  transition:
    border-color 120ms ease,
    transform 120ms ease;
}

.article-card:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
}

.article-meta {
  color: var(--muted-foreground);
  font-size: 0.78rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.article-title {
  margin: 0.85rem 0 0;
  color: #f5f7ff;
  font-size: 1.2rem;
  line-height: 1.35;
  font-weight: 600;
}

.article-summary {
  margin: 0.75rem 0 0;
  color: var(--foreground);
  font-size: 0.92rem;
}

.article-link {
  margin-top: auto;
  padding-top: 1rem;
  font-size: 0.86rem;
  color: var(--muted-foreground);
}

.article-card:hover .article-link {
  color: var(--accent);
}

.site-footer {
  border-top: 1px solid var(--border);
}

.site-footer-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.88rem;
  color: var(--muted-foreground);
}

.footer-links {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
}

.footer-links a {
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--foreground);
}

.archive-hero {
  padding-top: 4rem;
}

.article-main {
  padding-top: 3rem;
  padding-bottom: 5rem;
}

.back-link {
  color: var(--muted-foreground);
  text-decoration: none;
  font-size: 0.9rem;
}

.back-link:hover {
  color: var(--foreground);
}

.article-sheet {
  margin-top: 1.5rem;
  border: 1px solid var(--border);
  border-radius: 1.1rem;
  background: var(--card);
  padding: clamp(1.2rem, 3vw, 2.3rem);
}

.article-sheet h1 {
  margin: 1rem 0 0;
  color: #f5f7ff;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.article-sheet p {
  margin: 1.2rem 0 0;
  color: var(--foreground);
  font-size: 1rem;
}

.article-sheet .summary {
  color: var(--secondary-foreground);
}

.center-screen {
  min-height: calc(100vh - 64px);
  display: grid;
  place-items: center;
}

.not-found-wrap {
  width: min(680px, 100%);
  padding: 2rem 0 5rem;
}

.eyebrow {
  margin: 0;
  color: var(--accent);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 600;
}

@media (max-width: 900px) {
  .home-section {
    padding-top: 4rem;
  }

  .hero-grid {
    grid-template-columns: 1fr;
  }

  .profile-card {
    width: min(340px, 100%);
  }

  .cards-grid,
  .stats {
    grid-template-columns: 1fr;
  }

  .site-footer-inner {
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding: 1rem 0;
  }
}