:root {
  /* Colors */
  --primary: #0f172a;       /* Slate 900 */
  --primary-light: #1e293b; /* Slate 800 */
  --primary-rgb: 15, 23, 42;
  
  --secondary: #f59e0b;     /* Amber 500 */
  --secondary-dark: #d97706;/* Amber 600 */
  --secondary-light: #fef3c7;/* Amber 100 */
  --secondary-rgb: 245, 158, 11;
  
  --accent: #0d9488;        /* Teal 600 */
  --accent-light: #14b8a6;  /* Teal 500 */
  --accent-rgb: 13, 148, 136;
  
  --text-main: #475569;     /* Slate 600 */
  --text-dark: #0f172a;     /* Slate 900 */
  --text-light: #f8fafc;    /* Slate 50 */
  --text-muted: #94a3b8;    /* Slate 400 */
  
  --bg-body: #f8fafc;       /* Slate 50 */
  --bg-card: #ffffff;
  --bg-section-alt: #f1f5f9;/* Slate 100 */
  
  --border-color: #e2e8f0;  /* Slate 200 */
  --border-light: #f1f5f9;  /* Slate 100 */
  
  /* Typography */
  --font-primary: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-secondary: 'Outfit', system-ui, -apple-system, sans-serif;
  
  /* Layout */
  --max-width: 1280px;
  --header-height: 80px;
  --topbar-height: 40px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-inset: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
  --shadow-glow: 0 0 20px rgba(245, 158, 11, 0.35);
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 30px;
  --radius-full: 9999px;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2.5rem;
  --space-xxl: 4rem;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  overflow-x: hidden;
  width: 100%;
}

body {
  font-family: var(--font-primary);
  color: var(--text-main);
  background-color: var(--bg-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  width: 100%;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-secondary);
  color: var(--text-dark);
  font-weight: 700;
  line-height: 1.25;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-fast);
}

ul, ol {
  list-style: none;
}

img, svg {
  max-width: 100%;
  height: auto;
  display: block;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  background: none;
  border: none;
  outline: none;
}

button {
  cursor: pointer;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-lg);
  padding-right: var(--space-lg);
}

/* Section styling utility */
.section {
  padding-top: var(--space-xxl);
  padding-bottom: var(--space-xxl);
}
.section-alt {
  background-color: var(--bg-section-alt);
}

.text-center { text-align: center; }

/* Section Header Utility */
.section-header {
  max-width: 700px;
  margin: 0 auto var(--space-xl) auto;
  text-align: center;
}
.section-subtitle {
  color: var(--accent);
  text-transform: uppercase;
  font-weight: 700;
  font-size: 0.875rem;
  letter-spacing: 2px;
  margin-bottom: var(--space-sm);
  display: block;
  font-family: var(--font-secondary);
}
.section-title {
  font-size: 2.25rem;
  color: var(--text-dark);
  margin-bottom: var(--space-md);
  position: relative;
}
.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--secondary), var(--accent));
  margin: var(--space-sm) auto 0 auto;
  border-radius: var(--radius-full);
}
.section-desc {
  font-size: 1.125rem;
  color: var(--text-main);
}

/* Animations */
@keyframes spinSlow {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}
.animate-spin-slow {
  animation: spinSlow 15s linear infinite;
}

@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 10px rgba(245, 158, 11, 0.2); }
  50% { box-shadow: 0 0 25px rgba(245, 158, 11, 0.6); }
}
.pulse-glow {
  animation: pulseGlow 2s infinite;
}

@keyframes bounceSlow {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}
.bounce-slow {
  animation: bounceSlow 3s infinite ease-in-out;
}