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

:root {
  --bg: #0a0a0f;
  --surface: #12121a;
  --border: #1e1e2e;
  --text: #e2e2e8;
  --text-dim: #7a7a8e;
  --accent: #a78bfa;
  --accent-glow: rgba(167, 139, 250, 0.25);
  --green: #34d399;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  z-index: 9999;
}

/* Nav */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  backdrop-filter: blur(16px);
  background: rgba(10, 10, 15, 0.8);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.logo-icon {
  font-size: 1.4rem;
}

.nav-cta {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--accent);
  text-decoration: none;
  padding: 0.5rem 1.25rem;
  border: 1px solid var(--accent);
  border-radius: 8px;
  transition: background 0.2s, color 0.2s;
}

.nav-cta:hover {
  background: var(--accent);
  color: var(--bg);
}

/* Hero */
.hero {
  max-width: 1100px;
  margin: 0 auto;
  padding: 10rem 2rem 4rem;
  text-align: center;
}

.hero-badge {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 0.3rem 1rem;
  border-radius: 100px;
  margin-bottom: 2rem;
  background: var(--accent-glow);
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--text) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1.2rem;
  color: var(--text-dim);
  max-width: 560px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}

.hero-sub strong {
  color: var(--text);
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 4rem;
}

/* Buttons */
.btn {
  display: inline-block;
  font-size: 1rem;
  font-weight: 600;
  padding: 0.8rem 2rem;
  border-radius: 10px;
  text-decoration: none;
  transition: transform 0.15s, box-shadow 0.2s, background 0.2s;
  cursor: pointer;
}

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

.btn-primary {
  background: var(--accent);
  color: var(--bg);
  box-shadow: 0 0 24px var(--accent-glow);
}

.btn-primary:hover {
  box-shadow: 0 0 40px var(--accent-glow);
}

.btn-secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  border-color: var(--text-dim);
}

/* Terminal */
.hero-visual {
  max-width: 640px;
  margin: 0 auto;
}

.terminal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  text-align: left;
  font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
  font-size: 0.875rem;
  line-height: 1.8;
  overflow-x: auto;
}

.terminal-dots {
  display: flex;
  gap: 6px;
  margin-bottom: 1rem;
}

.terminal-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border);
}

.terminal-dots span:first-child { background: #ff5f57; }
.terminal-dots span:nth-child(2) { background: #febc2e; }
.terminal-dots span:nth-child(3) { background: #28c840; }

.t-green { color: var(--green); }
.t-dim { color: var(--text-dim); }
.t-accent { color: var(--accent); }

/* Features */
.features {
  max-width: 1100px;
  margin: 0 auto;
  padding: 4rem 2rem 6rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 2rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.feature-card:hover {
  border-color: var(--accent);
  box-shadow: 0 0 30px var(--accent-glow);
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.feature-card p {
  color: var(--text-dim);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* CTA Section */
.cta-section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 4rem 2rem 6rem;
  text-align: center;
}

.cta-section h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.cta-section p {
  color: var(--text-dim);
  margin-bottom: 2rem;
  font-size: 1.1rem;
}

/* Footer */
footer {
  border-top: 1px solid var(--border);
  padding: 2rem;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 640px) {
  .hero {
    padding: 8rem 1.25rem 3rem;
  }

  .hero-sub {
    font-size: 1.05rem;
  }

  .terminal {
    font-size: 0.75rem;
  }

  .features {
    padding: 2rem 1.25rem 4rem;
  }
}