:root {
  --bg: #0a0a0a;
  --surface: #111111;
  --border: #1a1a1a;
  --border-hover: #2a2a2a;
  --text: #fafafa;
  --text-muted: #888888;
  --text-dim: #555555;
  --primary: #6366f1;
  --primary-glow: rgba(99, 102, 241, 0.15);
  --primary-glow-strong: rgba(99, 102, 241, 0.25);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Background glow */
.bg-glow {
  position: fixed;
  top: -40%;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  height: 60%;
  background: radial-gradient(ellipse, var(--primary-glow) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

/* Layout */
.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* Hero */
.hero {
  text-align: center;
  padding: 120px 0 80px;
  animation: fadeUp 0.8s ease both;
}

.wordmark {
  font-size: 48px;
  font-weight: 800;
  letter-spacing: -1.5px;
  margin-bottom: 8px;
  background: linear-gradient(135deg, var(--text) 0%, #cccccc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.badge {
  display: inline-block;
  padding: 6px 16px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--primary);
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: 100px;
  background: var(--primary-glow);
  margin-bottom: 32px;
  box-shadow: 0 0 20px var(--primary-glow);
}

.tagline {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.5px;
  line-height: 1.2;
  margin-bottom: 16px;
  color: var(--text);
}

.subtitle {
  font-size: 17px;
  line-height: 1.7;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* Feature cards */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding-bottom: 64px;
  animation: fadeUp 0.8s ease 0.15s both;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px 24px;
  transition: all 0.3s ease;
}

.card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3), 0 0 1px var(--border-hover);
}

.card-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  font-size: 18px;
}

.card-icon.green  { background: rgba(74, 222, 128, 0.1); color: #4ade80; }
.card-icon.blue   { background: rgba(96, 165, 250, 0.1); color: #60a5fa; }
.card-icon.purple { background: rgba(167, 139, 250, 0.1); color: #a78bfa; }

.card h3 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text);
}

.card p {
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-dim);
}

/* Platforms */
.platforms {
  text-align: center;
  padding: 40px 0;
  border-top: 1px solid var(--border);
  animation: fadeUp 0.8s ease 0.3s both;
}

.platforms-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 20px;
}

.platforms-list {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 2;
}

.platforms-list span {
  display: inline-block;
  padding: 0 12px;
}

.dot {
  color: var(--text-dim);
}

/* Footer */
footer {
  text-align: center;
  padding: 40px 0;
  border-top: 1px solid var(--border);
  animation: fadeUp 0.8s ease 0.4s both;
}

footer p {
  font-size: 12px;
  color: var(--text-dim);
}

/* Animations */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive */
@media (max-width: 768px) {
  .hero { padding: 80px 0 48px; }
  .wordmark { font-size: 36px; }
  .tagline { font-size: 24px; }
  .subtitle { font-size: 15px; }
  .features { grid-template-columns: 1fr; gap: 12px; }
}

@media (max-width: 480px) {
  .hero { padding: 60px 0 40px; }
  .wordmark { font-size: 28px; }
  .tagline { font-size: 20px; }
  .container { padding: 0 16px; }
  .platforms-list span { padding: 0 8px; }
}
