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

:root {
  /* Colors */
  --color-primary-light: hsl(260, 90%, 75%);
  --color-primary: hsl(260, 80%, 55%);
  --color-primary-dark: hsl(260, 80%, 35%);
  --color-primary-alpha: hsla(260, 80%, 55%, 0.2);

  --color-secondary-light: hsl(220, 90%, 75%);
  --color-secondary: hsl(220, 80%, 55%);
  --color-secondary-dark: hsl(220, 80%, 35%);

  --color-accent: hsl(45, 100%, 55%);
  --color-accent-dark: hsl(45, 100%, 35%);

  --color-bg-base: hsl(225, 25%, 4%);
  --color-bg-surface: hsl(225, 20%, 8%);
  --color-bg-surface-elevated: hsl(225, 15%, 12%);
  --color-bg-surface-glass: hsla(225, 20%, 8%, 0.6);
  --color-bg-surface-border: hsla(0, 0%, 100%, 0.1);

  --color-text-title: hsl(0, 0%, 100%);
  --color-text-body: hsl(210, 20%, 75%);
  --color-text-muted: hsl(210, 10%, 55%);
  
  --color-success: hsl(150, 80%, 40%);
  --color-danger: hsl(350, 80%, 55%);

  /* Typography */
  --font-family-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-family-display: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  
  --font-size-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --font-size-sm: clamp(0.875rem, 0.8rem + 0.375vw, 1rem);
  --font-size-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --font-size-lg: clamp(1.125rem, 1rem + 0.625vw, 1.25rem);
  --font-size-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
  --font-size-2xl: clamp(1.5rem, 1.25rem + 1.25vw, 2rem);
  --font-size-3xl: clamp(2rem, 1.5rem + 2.5vw, 3rem);
  --font-size-4xl: clamp(2.5rem, 2rem + 3.5vw, 4.5rem);
  --font-size-5xl: clamp(3rem, 2.5rem + 5vw, 6rem);

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Borders & Shadows */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-glow: 0 0 20px var(--color-primary-alpha);
  --shadow-glow-strong: 0 0 30px hsla(260, 80%, 55%, 0.4);
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
  font-family: var(--font-family-sans);
  background-color: var(--color-bg-base);
  color: var(--color-text-body);
  font-size: 16px;
  line-height: 1.6;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
}

/* Typography Base */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-display);
  color: var(--color-text-title);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.02em;
}

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  background: none;
  border: none;
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.section {
  padding: var(--space-24) 0;
  position: relative;
  z-index: 1;
}

.section-title {
  font-size: var(--font-size-4xl);
  text-align: center;
  margin-bottom: var(--space-4);
  background: linear-gradient(135deg, #fff 0%, var(--color-text-muted) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-size: var(--font-size-xl);
  text-align: center;
  color: var(--color-text-body);
  max-width: 800px;
  margin: 0 auto var(--space-16);
}

/* Utility classes */
.text-gradient {
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-secondary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-gradient-accent {
  background: linear-gradient(135deg, var(--color-accent), #fca5a5);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}