:root {
  color-scheme: dark;
  --bg: #050913;
  --bg-alt: #0e1630;
  --text: #f5f7ff;
  --muted: #94a3b8;
  --accent: #58a6ff;
  --accent-strong: #7c3aed;
  --card-bg: rgba(11, 18, 40, 0.8);
  --border: rgba(255, 255, 255, 0.08);
  --glow: rgba(88, 166, 255, 0.45);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Space Grotesk", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

main {
  position: relative;
  width: min(1100px, 100% - 2.5rem);
  margin: 0 auto;
  padding: 4rem 0 6rem;
  z-index: 1;
}

section {
  margin-bottom: 5rem;
}

.hero {
  text-align: center;
  padding: 4rem 0 5rem;
}

.hero h1 {
  font-size: clamp(2.75rem, 7vw, 4.5rem);
  line-height: 1.15;
  margin: 0.75rem 0 1rem;
}

.hero .subtitle {
  font-size: 1.2rem;
  max-width: 38rem;
  margin: 0 auto 1.75rem;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  background: linear-gradient(120deg, var(--accent), var(--accent-strong));
  padding: 0.85rem 1.8rem;
  color: var(--text);
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  letter-spacing: 0.02em;
  box-shadow: 0 8px 20px rgba(88, 166, 255, 0.4);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(124, 58, 237, 0.35);
}

.hero .hint {
  font-size: 0.95rem;
  color: var(--muted);
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.25em;
  font-size: 0.8rem;
  color: var(--accent);
}

.cursor {
  display: inline-block;
  width: 0.65rem;
  height: 2.8rem;
  background: var(--accent);
  margin-left: 0.4rem;
  animation: blink 1s step-end infinite;
  border-radius: 2px;
}

@keyframes blink {
  0%, 50% {
    opacity: 1;
  }
  51%, 100% {
    opacity: 0;
  }
}

.about {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  align-items: start;
  padding: 2.5rem;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.35);
}

.about-text ul {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
  display: grid;
  gap: 0.4rem;
}

.about-text li::before {
  content: "//";
  color: var(--accent);
  margin-right: 0.5rem;
}

.stats {
  background: rgba(0, 0, 0, 0.35);
  border-radius: 16px;
  border: 1px solid var(--border);
  font-family: "Share Tech Mono", monospace;
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
}

.stats::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  pointer-events: none;
}

.stats-title {
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.4em;
  color: var(--muted);
  margin-bottom: 0.75rem;
}

.stats pre {
  margin: 0;
  background: rgba(10, 17, 38, 0.8);
  padding: 1rem;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--accent);
}

.build .section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 3rem;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--card-bg);
  border-radius: 20px;
  padding: 2rem;
  border: 1px solid var(--border);
  min-height: 260px;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
  position: relative;
  overflow: hidden;
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 20px;
  background: radial-gradient(
    circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
    rgba(88, 166, 255, 0.25),
    transparent 55%
  );
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 20px;
  border: 1px solid transparent;
  background: linear-gradient(120deg, rgba(88, 166, 255, 0.25), rgba(124, 58, 237, 0.25));
  mix-blend-mode: screen;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.card:hover {
  transform: translateY(-8px);
  border-color: rgba(88, 166, 255, 0.35);
}

.card:hover::before {
  opacity: 1;
}

.card:hover::after {
  opacity: 1;
}

.card-icon {
  font-size: 2rem;
}

.card ul {
  list-style: none;
  padding: 0;
  margin: 0;
  color: var(--muted);
  display: grid;
  gap: 0.4rem;
}

.terminal {
  border-radius: 24px;
  border: 1px solid var(--border);
  background: rgba(2, 6, 23, 0.92);
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.55);
  overflow: hidden;
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: rgba(15, 23, 42, 0.9);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  font-family: "Share Tech Mono", monospace;
  text-transform: lowercase;
  color: var(--muted);
}

.terminal-body {
  padding: 1.75rem;
  font-family: "Share Tech Mono", monospace;
  font-size: 1rem;
  color: var(--accent);
  min-height: 200px;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.terminal-line {
  margin: 0;
  opacity: 0.75;
  transition: opacity 0.4s ease;
}

.terminal-line.active {
  opacity: 1;
  color: var(--text);
}

footer {
  text-align: center;
  padding: 2rem 1rem 3rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.background-glow {
  position: fixed;
  width: 600px;
  height: 600px;
  right: -200px;
  top: -150px;
  background: radial-gradient(circle, rgba(88, 166, 255, 0.5), transparent 70%);
  filter: blur(60px);
  z-index: 0;
}

.background-grid {
  position: fixed;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 80px 80px;
  opacity: 0.3;
  z-index: 0;
}

.particles {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(rgba(88, 166, 255, 0.75) 1px, transparent 1px);
  background-size: 120px 120px;
  opacity: 0.2;
  animation: drift 25s linear infinite;
  z-index: 0;
}

@keyframes drift {
  from {
    background-position: 0 0;
  }
  to {
    background-position: 120px 120px;
  }
}

@media (max-width: 640px) {
  main {
    width: calc(100% - 1.5rem);
    padding-top: 3rem;
  }

  .about {
    padding: 1.75rem;
  }

  .card {
    padding: 1.5rem;
  }

  .hero-actions {
    flex-direction: column;
  }
}