:root {
  --bg-dark: #0f172a;
  --bg-card: rgba(30, 41, 59, 0.7);
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --accent-cyan: #06b6d4;
  --accent-blue: #3b82f6;
  --accent-gradient: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  --glass-border: rgba(255, 255, 255, 0.1);
}

html {
  scroll-behavior: smooth;
}

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

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

/* Background Effects */
.bg-glow {
  position: fixed;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  filter: blur(120px);
  z-index: -1;
  opacity: 0.15;
  animation: float 20s infinite alternate ease-in-out;
}

.blob-1 {
  background: var(--accent-cyan);
  top: -200px;
  left: -200px;
}

.blob-2 {
  background: var(--accent-blue);
  bottom: -200px;
  right: -200px;
  animation-delay: -5s;
}

@keyframes float {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(50px, 50px) scale(1.1); }
}

/* Typography & Utilities */
h1, h2, h3 {
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.text-gradient {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.glass {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
}

/* Buttons */
.btn-primary, .btn-secondary, .btn-primary-outline {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 12px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  text-align: center;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #fff;
  box-shadow: 0 4px 15px rgba(6, 182, 212, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(6, 182, 212, 0.5);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-main);
  border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.btn-primary-outline {
  border: 1px solid var(--accent-cyan);
  color: var(--accent-cyan);
}

.btn-primary-outline:hover {
  background: rgba(6, 182, 212, 0.1);
}

.w-full { width: 100%; }

/* Navigation */
.navbar {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  width: 90%;
  max-width: 1200px;
  padding: 16px 32px;
  z-index: 100;
  border-radius: 100px;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo-icon {
  color: var(--accent-cyan);
}

.nav-links {
  display: flex;
  gap: 32px;
  align-items: center;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

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

/* Hero Section */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 64px;
  padding: 0 5%;
  max-width: 1400px;
  margin: 0 auto;
  padding-top: 100px;
}

.badge {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 100px;
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.3);
  color: var(--accent-cyan);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: 4rem;
  margin-bottom: 24px;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-muted);
  margin-bottom: 40px;
  max-width: 90%;
}

.hero-actions {
  display: flex;
  gap: 16px;
}

/* Code Visual */
.hero-visual {
  padding: 24px;
  position: relative;
  overflow: hidden;
}

.hero-visual::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
}

.code-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--glass-border);
  padding-bottom: 16px;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.red { background: #ff5f56; }
.yellow { background: #ffbd2e; }
.green { background: #27c93f; }
.code-title {
  margin-left: 16px;
  font-family: monospace;
  color: var(--accent-cyan);
  font-size: 0.9rem;
}

pre {
  margin: 0;
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  font-size: 0.95rem;
  color: #a5b4fc;
  overflow-x: auto;
}

/* Features Section */
.features-section {
  padding: 100px 5%;
  max-width: 1400px;
  margin: 0 auto;
}

.section-title {
  text-align: center;
  margin-bottom: 64px;
}

.section-title h2 {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.section-title p {
  color: var(--text-muted);
  font-size: 1.1rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
}

.feature-card {
  padding: 40px;
  transition: transform 0.4s ease, border-color 0.4s ease;
}

.hover-lift:hover {
  transform: translateY(-10px);
  border-color: rgba(255, 255, 255, 0.2);
}

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: 24px;
}

.feature-card h3 {
  font-size: 1.5rem;
  margin-bottom: 16px;
}

.feature-card p {
  color: var(--text-muted);
}

/* Developer Section */
.developer-section {
  padding: 100px 5%;
  max-width: 1000px;
  margin: 0 auto;
}

.developer-content {
  padding: 40px;
}

.developer-content h3 {
  margin-bottom: 16px;
  color: var(--accent-cyan);
}

.developer-content p {
  color: var(--text-muted);
  margin-bottom: 24px;
}

.developer-content pre {
  background: rgba(0, 0, 0, 0.3);
  padding: 24px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

/* Pricing Section */
.pricing-section {
  padding: 100px 5%;
  max-width: 1200px;
  margin: 0 auto;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 40px;
  margin-top: 64px;
}

.pricing-card {
  padding: 48px;
  position: relative;
  display: flex;
  flex-direction: column;
}

.pricing-card.featured {
  border-color: rgba(6, 182, 212, 0.4);
  box-shadow: 0 0 40px rgba(6, 182, 212, 0.1);
}

.popular-badge {
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent-gradient);
  padding: 6px 16px;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.pricing-card h3 {
  font-size: 1.5rem;
  margin-bottom: 16px;
}

.price {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 16px;
}

.price-period {
  font-size: 1rem;
  color: var(--text-muted);
  font-weight: 500;
}

.pricing-desc {
  color: var(--text-muted);
  margin-bottom: 32px;
}

.pricing-features {
  list-style: none;
  margin-bottom: 40px;
  flex-grow: 1;
}

.pricing-features li {
  margin-bottom: 16px;
  color: var(--text-main);
}

/* Footer */
footer {
  text-align: center;
  padding: 40px 5%;
  border-top: 1px solid var(--glass-border);
  margin-top: 100px;
  color: var(--text-muted);
}

/* Responsive */
@media (max-width: 968px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    padding-top: 150px;
  }
  .hero-actions {
    justify-content: center;
  }
  .hero-subtitle {
    margin: 0 auto 40px auto;
  }
  .nav-links {
    display: none; /* simple mobile nav */
  }
}