:root {
  --bg: #020203; /* matches the logo image background so it blends in */
  --surface: #111418;
  --surface-2: #181c21;
  --border: #262c33;
  --metal-light: #d7dde3;
  --metal: #9aa4ae;
  --metal-dark: #5d6670;
  --text: #e6ebef;
  --text-muted: #9aa4ae;
  --accent: #3fb6ff;
  --accent-strong: #1e8fff;
  --accent-glow: rgba(63, 182, 255, 0.35);
  --radius: 14px;
  --max-width: 1040px;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-display: "Rajdhani", "Segoe UI", system-ui, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

.skip-link {
  position: absolute;
  left: -9999px;
}

.skip-link:focus {
  left: 16px;
  top: 16px;
  z-index: 10;
  padding: 8px 14px;
  background: var(--surface);
  border-radius: 8px;
}

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

/* Header */

.site-header {
  display: flex;
  justify-content: flex-end;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 20px 16px 0;
}

.nav {
  display: flex;
  gap: 24px;
}

.nav a {
  color: var(--metal);
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 0.2s;
}

.nav a:hover {
  color: var(--accent);
}

/* Hero */

.hero {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 8px 16px 56px;
  text-align: center;
}

.hero-logo {
  width: 100%;
  max-width: 820px;
  margin: 0 auto;
  /* Feather the image edges so the logo's black background melts into the page */
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent), linear-gradient(transparent, #000 5%, #000 95%, transparent);
  -webkit-mask-composite: source-in;
  mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent), linear-gradient(transparent, #000 5%, #000 95%, transparent);
  mask-composite: intersect;
}

/* Sections */

.section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 56px 16px;
  border-top: 1px solid var(--border);
}

.section h2 {
  margin: 0 0 28px;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: linear-gradient(180deg, var(--metal-light) 0%, var(--metal) 55%, var(--metal-dark) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.section h2::after {
  content: "";
  display: block;
  width: 48px;
  height: 3px;
  margin-top: 8px;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow);
  border-radius: 2px;
}

/* Project cards */

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.card {
  display: flex;
  flex-direction: column;
  padding: 24px;
  background: linear-gradient(160deg, var(--surface-2), var(--surface));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}

.card:hover {
  border-color: rgba(63, 182, 255, 0.5);
  box-shadow: 0 0 0 1px rgba(63, 182, 255, 0.15), 0 10px 30px -10px var(--accent-glow);
  transform: translateY(-2px);
}

.card h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--metal-light);
}

.card p {
  margin: 0 0 20px;
  color: var(--text-muted);
  flex-grow: 1;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0 0 14px;
  padding: 0;
  list-style: none;
}

.tags li {
  padding: 2px 10px;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--accent);
  background: rgba(63, 182, 255, 0.08);
  border: 1px solid rgba(63, 182, 255, 0.25);
  border-radius: 999px;
}

.button {
  align-self: flex-start;
  padding: 10px 20px;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  color: #04121d;
  background: linear-gradient(180deg, var(--accent), var(--accent-strong));
  border-radius: 8px;
  box-shadow: 0 0 16px -2px var(--accent-glow);
  transition: box-shadow 0.2s, filter 0.2s;
}

.button:hover {
  filter: brightness(1.1);
  box-shadow: 0 0 24px 0 var(--accent-glow);
}

.button::after {
  content: " \2197";
}

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

/* Footer */

.site-footer {
  padding: 32px 16px;
  text-align: center;
  color: var(--metal-dark);
  font-size: 0.875rem;
  border-top: 1px solid var(--border);
}

.site-footer p {
  margin: 0;
}

@media (max-width: 600px) {
  .hero {
    padding-bottom: 40px;
  }

  .section {
    padding: 40px 16px;
  }

  .section h2 {
    font-size: 1.6rem;
  }
}

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

  .card,
  .card:hover {
    transition: none;
    transform: none;
  }
}