:root {
  --color-primary: #fa7e18;
  --color-secondary: #fdb30a;
  --color-accent: #fb252b;
  --color-background: #131b22;
  --color-background-elevated: #141312;
  --color-surface: #2c363d;
  --color-border: #252423;
  --color-text: #cbcbcb;
  --color-heading: #f2f3f5;
  --color-text-muted: #9aa0a6;
  --color-error: #e53935;
  --color-success: #3aa6a0;
  --color-warning: #fdb30a;
  --color-background-dark: #0b0b0b;
  --color-primary-hover: #d33fa6;
  --font-heading: 'Rubik', sans-serif;
  --font-body: 'Work Sans', sans-serif;
  --font-mono: 'Fira Code', monospace;
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-hero: clamp(2rem, 5vw, 3.75rem);
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 9999px;
  --max-width: 1400px;
  --nav-height: 72px;
  --breakpoints-sm: 640px;
  --breakpoints-md: 768px;
  --breakpoints-lg: 1024px;
  --breakpoints-xl: 1280px;
  --transition-fast: 0.15s ease;
  --transition-base: 0.25s ease;
  --transition-slow: 0.4s ease;
  --gradient-primary: linear-gradient(135deg, #FFBD09, #DA4E8F, #932BC4);
  --gradient-accent: linear-gradient(135deg, #fdb30a, #e0528a);
}

/* Base styles */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-background);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-heading);
  line-height: 1.2;
}
a { color: var(--color-primary); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--color-secondary); }
img { max-width: 100%; height: auto; display: block; }

/* Utility: Container */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 var(--space-md); }
.section { padding: var(--space-4xl) 0; }

/* Responsive */
@media (min-width: 768px) {
  .container { padding-left: var(--space-lg); padding-right: var(--space-lg); }
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: var(--space-sm);
  padding: var(--space-sm) var(--space-xl);
  border-radius: var(--radius-md); border: 1px solid transparent;
  font-family: var(--font-body); font-weight: 600; font-size: var(--text-sm);
  cursor: pointer; transition: all var(--transition-fast);
  text-decoration: none;
}
.btn-primary {
  background: var(--gradient-primary); color: #fff; border: none;
}
.btn-primary:hover { opacity: 0.9; color: #fff; }
.btn-outline {
  background: transparent; color: var(--color-primary); border-color: var(--color-primary);
}
.btn-outline:hover { background: var(--color-primary); color: var(--color-background); }