/* =============================================
   LA TÊTE À TOTO - Base Styles & Variables
   Glassmorphism Playful Dark Mode
   ============================================= */

/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Fredoka+One&family=Quicksand:wght@400;500;600;700&display=swap');

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

/* CSS Variables */
:root {
  /* Base - Space Theme */
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-glass: rgba(255, 255, 255, 0.05);
  --bg-glass-hover: rgba(255, 255, 255, 0.1);
  --border-glass: rgba(255, 255, 255, 0.15);
  --border-glass-hover: rgba(255, 255, 255, 0.25);

  /* Fun Colors */
  --candy-pink: #FF4785;
  --candy-pink-light: #ff6b9d;
  --electric-blue: #00E0FF;
  --electric-blue-light: #5eefff;
  --sunny-yellow: #FFD166;
  --sunny-yellow-light: #ffe08a;
  --magic-purple: #a855f7;
  --mint-green: #34d399;

  /* Text Colors */
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;

  /* Fonts */
  --font-display: 'Fredoka One', cursive;
  --font-body: 'Quicksand', sans-serif;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 5rem;

  /* Border Radius */
  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-full: 9999px;

  /* Effects */
  --shadow-neon-pink: 0 0 20px rgba(255, 71, 133, 0.4);
  --shadow-neon-blue: 0 0 20px rgba(0, 224, 255, 0.3);
  --shadow-neon-yellow: 0 0 20px rgba(255, 209, 102, 0.3);
  --shadow-glass: 0 8px 32px rgba(0, 0, 0, 0.3);
  --shadow-elevated: 0 20px 60px rgba(0, 0, 0, 0.4);

  /* Transitions */
  --bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
  --smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: 0.2s var(--smooth);
  --transition-normal: 0.3s var(--smooth);
  --transition-bounce: 0.4s var(--bounce);

  /* Glass Effect */
  --glass-blur: blur(20px);
  --glass-blur-strong: blur(40px);
}

/* Base Styles */
html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

/* Background with subtle gradient */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(ellipse at 20% 20%, rgba(255, 71, 133, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(0, 224, 255, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(255, 209, 102, 0.05) 0%, transparent 50%);
  pointer-events: none;
  z-index: -1;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  line-height: 1.2;
  color: var(--text-primary);
}

h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
}

p {
  color: var(--text-secondary);
  font-weight: 500;
}

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

a:hover {
  color: var(--electric-blue-light);
}

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

ul, ol {
  list-style: none;
}

/* Container */
.container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* Section Spacing */
section {
  padding: var(--space-2xl) 0;
}

/* Glassmorphism Card Base */
.glass-card {
  background: var(--bg-glass);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-glass);
  transition: var(--transition-normal);
}

.glass-card:hover {
  background: var(--bg-glass-hover);
  border-color: var(--border-glass-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-elevated);
}

/* Gradient Text */
.gradient-text {
  background: linear-gradient(135deg, var(--candy-pink), var(--electric-blue), var(--sunny-yellow));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.gradient-text-pink {
  background: linear-gradient(135deg, var(--candy-pink), var(--candy-pink-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.gradient-text-blue {
  background: linear-gradient(135deg, var(--electric-blue), var(--electric-blue-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Visually Hidden (Accessibility) */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Selection */
::selection {
  background: var(--candy-pink);
  color: var(--text-primary);
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}

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

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--candy-pink), var(--electric-blue));
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, var(--candy-pink-light), var(--electric-blue-light));
}