/* CSS Design System & Variables */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Outfit:wght@400;500;600;700;800;900&display=swap');

:root {
  /* Colors - HSL tailored for beautiful harmony */
  --primary-h: 239;
  --primary-s: 96%;
  --primary-l: 58%; /* #2D31FA */
  --primary: hsl(var(--primary-h), var(--primary-s), var(--primary-l));
  --primary-light: hsl(var(--primary-h), var(--primary-s), 66%);
  --primary-dark: hsl(var(--primary-h), var(--primary-s), 45%);
  --primary-glow: hsla(var(--primary-h), var(--primary-s), var(--primary-l), 0.3);

  --secondary: #5D8BF4;
  --accent: #00C853; /* Active Success Green */
  --accent-glow: rgba(0, 200, 83, 0.2);
  --warning: #FFAB00;

  /* Neutral palette */
  --bg-light: #F4F6F8;
  --bg-dark: #0D0F2B;
  --bg-dark-accent: #14173D;
  --text-dark: #1E1E2C;
  --text-light: #FFFFFF;
  --text-muted: #8F9CAE;
  --border-light: rgba(45, 49, 250, 0.1);

  /* Fonts */
  --font-heading: 'Outfit', 'Inter', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Layout */
  --container-width: 1200px;
  --header-height: 80px;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
  --shadow-md: 0 10px 15px -3px rgba(45, 49, 250, 0.08), 0 4px 6px -2px rgba(45, 49, 250, 0.04);
  --shadow-lg: 0 20px 25px -5px rgba(45, 49, 250, 0.12), 0 10px 10px -5px rgba(45, 49, 250, 0.06);
  --shadow-premium: 0 30px 60px -15px rgba(13, 15, 43, 0.2), 0 15px 30px -10px rgba(45, 49, 250, 0.15);
}

/* Base Body Styles */
body {
  font-family: var(--font-body);
  background-color: var(--bg-light);
  color: var(--text-dark);
}

/* Typography Utilities */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 800;
  line-height: 1.2;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 2.75rem);
  text-align: center;
  position: relative;
  margin-bottom: 3rem;
  color: var(--bg-dark);
}

h2::after {
  content: '';
  position: absolute;
  bottom: -12px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: var(--primary);
  border-radius: 2px;
}

p {
  font-size: 1.1rem;
  color: #4E5E73;
}

/* Glassmorphism Utility */
.glass-card {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  color: var(--text-light);
}

.glass-card-light {
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(45, 49, 250, 0.08);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

/* Premium Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2.25rem;
  font-size: 1.05rem;
  font-weight: 700;
  border-radius: var(--radius-md);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.btn-primary {
  background: var(--primary);
  color: var(--text-light);
  box-shadow: 0 10px 20px var(--primary-glow);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 25px var(--primary-glow);
  background: var(--primary-dark);
}

.btn-outline {
  border: 2px solid var(--primary);
  color: var(--primary);
  background: transparent;
}

.btn-outline:hover {
  background: var(--primary);
  color: var(--text-light);
  transform: translateY(-3px);
  box-shadow: 0 10px 20px var(--primary-glow);
}

.btn-glass {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--text-light);
  backdrop-filter: blur(8px);
}

.btn-glass:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-3px);
}

/* Container */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 2rem;
}

/* Section Spacing */
section {
  padding: 8rem 0;
  position: relative;
}