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

:root {
  --bg: #0a0a0f;
  --surface: #12121a;
  --surface2: #1a1a2e;
  --border: #2a2a3e;
  --text: #e4e4e7;
  --text-muted: #a1a1aa;
  --accent: #6366f1;
  --accent-hover: #5558e6;
  --accent-glow: rgba(99, 102, 241, 0.15);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Nav */
header {
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(12px);
  z-index: 100;
}

nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  font-size: 1.25rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent), #a855f7);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.2s;
}

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

/* Hero */
.hero {
  padding: 100px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -300px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.hero .accent {
  background: linear-gradient(135deg, var(--accent), #a855f7);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero .subtitle {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 32px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-bottom: 48px;
}

.hero-endpoint {
  max-width: 640px;
  margin: 0 auto;
}

.hero-endpoint code {
  display: block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px 24px;
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: left;
  line-height: 1.8;
  overflow-x: auto;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s;
  cursor: pointer;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

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

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

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

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

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* Features */
.features {
  padding: 80px 0;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
  text-align: center;
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: 12px;
}

.feature-card h3 {
  font-size: 1rem;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Pricing */
.pricing {
  padding: 80px 0;
  text-align: center;
}

.pricing h2, .docs h2, .models h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.section-subtitle {
  color: var(--text-muted);
  margin-bottom: 48px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  align-items: start;
}

.plan-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 32px 24px;
  text-align: center;
  position: relative;
  transition: transform 0.2s, box-shadow 0.2s;
}

.plan-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}

.plan-card.featured {
  border-color: var(--accent);
  box-shadow: 0 0 32px var(--accent-glow);
}

.plan-card .badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #fff;
  padding: 4px 16px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}

.plan-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.plan-card .price {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.plan-card .price-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.plan-card ul {
  list-style: none;
  text-align: left;
  margin-bottom: 28px;
  padding: 0;
}

.plan-card ul li {
  padding: 6px 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.plan-card ul li::before {
  content: '\2713';
  color: var(--accent);
  font-weight: 700;
  margin-right: 8px;
}

.plan-card .btn {
  width: 100%;
}

/* Docs / Steps */
.docs {
  padding: 80px 0;
  background: var(--surface);
}

.docs h2 {
  text-align: center;
  margin-bottom: 48px;
}

.steps {
  max-width: 600px;
  margin: 0 auto;
}

.step {
  display: flex;
  gap: 20px;
  margin-bottom: 32px;
}

.step-num {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  flex-shrink: 0;
}

.step h3 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.step p {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.step code {
  background: var(--surface2);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.8rem;
}

/* Models Table */
.models {
  padding: 80px 0;
}

.models h2 {
  text-align: center;
  margin-bottom: 32px;
}

.model-table-wrapper {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

thead th {
  text-align: left;
  padding: 12px 16px;
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border);
}

tbody td {
  padding: 14px 16px;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--border);
}

tbody code {
  background: var(--surface2);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.8rem;
}

/* Waitlist */
.waitlist {
  padding: 80px 0;
  text-align: center;
  background: var(--surface);
}

.waitlist h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.waitlist-form {
  display: flex;
  gap: 12px;
  justify-content: center;
  max-width: 440px;
  margin: 0 auto;
}

.waitlist-form input[type="email"] {
  flex: 1;
  padding: 12px 16px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s;
}

.waitlist-form input[type="email"]:focus {
  border-color: var(--accent);
}

.waitlist-msg {
  margin-top: 16px;
  font-size: 0.875rem;
}

.waitlist-msg.success {
  color: #4ade80;
}

.waitlist-msg.error {
  color: #f87171;
}

/* Footer */
footer {
  border-top: 1px solid var(--border);
  padding: 32px 0;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Responsive */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.25rem;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 360px;
    margin: 0 auto;
  }

  .feature-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 480px) {
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }
}