@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root {
  /* Color Tokens */
  --bg-deep: #ffffff;
  --bg-card: rgba(248, 250, 252, 0.8);
  --bg-card-hover: rgba(255, 255, 255, 0.95);
  --border-glow: rgba(15, 23, 42, 0.08);
  --border-glow-hover: rgba(14, 165, 233, 0.35);
  
  --primary: #0284c7;
  --primary-rgb: 2, 132, 199;
  --secondary: #6366f1;
  --secondary-rgb: 99, 102, 241;
  --accent: #d946ef;
  
  --text-main: #0f172a;
  --text-muted: #475569;
  --text-dark: #64748b;
  
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;

  /* Font Families */
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.8s cubic-bezier(0.16, 1, 0.3, 1);

  /* Shadows & Blurs */
  --shadow-neon-primary: 0 4px 20px rgba(2, 132, 199, 0.15);
  --shadow-neon-secondary: 0 4px 20px rgba(99, 102, 241, 0.15);
  --shadow-card: 0 10px 40px 0 rgba(15, 23, 42, 0.06), 0 1px 3px 0 rgba(15, 23, 42, 0.02);
  --blur-glass: blur(16px);
}

/* CSS Reset & Core Styling */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-deep);
  color: var(--text-main);
  font-family: var(--font-body);
}

body {
  overflow-x: hidden;
  min-height: 100vh;
  line-height: 1.6;
  position: relative;
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-deep);
}

::-webkit-scrollbar-thumb {
  background: rgba(99, 102, 241, 0.2);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary);
}

/* Layout Containers */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Glassmorphism Card Utility */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  border: 1px solid var(--border-glow);
  border-radius: 16px;
  box-shadow: var(--shadow-card);
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal), transform var(--transition-normal);
}

.glass-card:hover {
  border-color: var(--border-glow-hover);
  box-shadow: 0 10px 40px rgba(2, 132, 199, 0.08), var(--shadow-card);
  transform: translateY(-4px);
}

/* Neon Gradient Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.8rem;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 50px;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
  border: none;
  outline: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: #ffffff;
  box-shadow: var(--shadow-neon-primary);
}

.btn-primary:hover {
  transform: scale(1.03);
  box-shadow: 0 4px 20px rgba(2, 132, 199, 0.35);
}

.btn-secondary {
  background: transparent;
  color: var(--text-main);
  border: 1px solid var(--primary);
  box-shadow: 0 2px 10px rgba(2, 132, 199, 0.05);
}

.btn-secondary:hover {
  background: rgba(2, 132, 199, 0.05);
  box-shadow: var(--shadow-neon-primary);
  transform: scale(1.03);
}

.btn-purple {
  background: linear-gradient(135deg, var(--secondary) 0%, var(--accent) 100%);
  color: #ffffff;
  box-shadow: var(--shadow-neon-secondary);
}

.btn-purple:hover {
  transform: scale(1.03);
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.35);
}

/* Section Header Typography */
.section-title-wrap {
  text-align: center;
  margin-bottom: 4rem;
}

.gradient-text {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 50%, var(--accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.section-title {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* Ambient Backdrop Glows */
.ambient-glow {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.06) 0%, rgba(2, 132, 199, 0.03) 50%, transparent 70%);
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}