:root {
  --bg: #06151a;
  --surface: #0e2229;
  --surface-soft: #132d35;
  --line: #1f4a57;
  --text: #e9fbff;
  --muted: #9cc6d1;
  --accent: #7df0ff;
  --accent-2: #43d46a;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 18% 12%, #123341, transparent 42%),
    radial-gradient(circle at 88% 86%, #173b2d, transparent 35%),
    var(--bg);
  line-height: 1.6;
}

.bg-grid {
  position: fixed;
  inset: 0;
  background-image: linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.16;
  pointer-events: none;
  z-index: -1;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 4vw;
  backdrop-filter: blur(10px);
  background: #06151acc;
  border-bottom: 1px solid #20414d;
}

.logo {
  color: var(--accent);
  text-decoration: none;
  font-weight: 700;
}

nav {
  display: flex;
  gap: 1rem;
}

nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
}

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

main {
  width: min(1120px, 92vw);
  margin: 0 auto;
}

.hero {
  min-height: 80vh;
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 2rem;
  align-items: center;
  padding: 4rem 0 2rem;
}

.eyebrow {
  font-family: "IBM Plex Mono", monospace;
  color: var(--accent-2);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

h1 {
  margin: 0.5rem 0;
  font-size: clamp(2rem, 5vw, 3.6rem);
  line-height: 1.12;
}

.hero-copy p {
  color: var(--muted);
  max-width: 62ch;
}

.hero-actions {
  margin-top: 1.2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.btn {
  display: inline-block;
  text-decoration: none;
  color: var(--text);
  border: 1px solid var(--line);
  background: var(--surface);
  padding: 0.55rem 1rem;
  border-radius: 999px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
}

.btn.primary {
  background: linear-gradient(135deg, #1b5563, #2a3e67);
}

.hero-canvas-wrap {
  height: clamp(300px, 54vh, 520px);
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, #0b2027, #0f1b28);
}

#hero-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.content-block {
  padding: 1.6rem 0 2.2rem;
}

h2 {
  font-size: clamp(1.45rem, 2.4vw, 2rem);
  margin-bottom: 1rem;
}

.timeline,
.project-grid {
  display: grid;
  gap: 0.95rem;
}

.project-grid {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.card {
  background: linear-gradient(180deg, var(--surface), var(--surface-soft));
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1rem;
}

.card h3 {
  margin: 0;
  font-size: 1.05rem;
}

.meta {
  margin: 0.32rem 0 0.62rem;
  color: var(--accent);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.85rem;
}

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

.project-card a {
  display: inline-block;
  margin-top: 0.8rem;
  color: var(--accent-2);
}

footer {
  padding: 1rem;
  text-align: center;
  color: var(--muted);
  border-top: 1px solid var(--line);
  margin-top: 2rem;
}

@media (max-width: 860px) {
  .site-header {
    flex-direction: column;
    gap: 0.55rem;
  }

  nav {
    flex-wrap: wrap;
    justify-content: center;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 2.2rem;
  }
}