/* ============================================================
   NEXT LEVEL — RESET & VARIABLES CSS
   Basé sur la charte graphique v1.0
   ============================================================ */

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

button, input, textarea, select {
  font: inherit;
}

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

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  line-height: 1.1;
  overflow-wrap: break-word;
}

/* --- Variables CSS — Charte Next Level --- */
:root {
  /* ── Surfaces ── */
  --nl-bg-primary:    #07060D;
  --nl-bg-secondary:  #0F0B1E;
  --nl-bg-elevated:   #161229;
  --nl-bg-overlay:    rgba(7, 6, 13, 0.85);

  /* ── Accents néon ── */
  --nl-neon-violet:       #7B5CFF;
  --nl-neon-violet-glow:  rgba(123, 92, 255, 0.45);
  --nl-neon-cyan:         #3DE0FF;
  --nl-neon-cyan-glow:    rgba(61, 224, 255, 0.45);

  /* ── Texte ── */
  --nl-text-primary:   #F4F2FF;
  --nl-text-secondary: #9B96B8;
  --nl-text-disabled:  #5A5670;

  /* ── États ── */
  --nl-success: #A8FF60;
  --nl-danger:  #FF3366;
  --nl-warning: #FFB23D;

  /* ── Gradients ── */
  --nl-gradient-legend:     linear-gradient(135deg, #7B5CFF 0%, #3DE0FF 100%);
  --nl-gradient-court-glow: radial-gradient(ellipse at 50% 80%, rgba(123,92,255,0.25) 0%, transparent 70%);
  --nl-gradient-rim-light:  linear-gradient(180deg, transparent 0%, rgba(61,224,255,0.15) 100%);

  /* ── Border-radius ── */
  --radius-xs:   4px;
  --radius-sm:   8px;
  --radius-md:   16px;
  --radius-lg:   24px;
  --radius-xl:   32px;
  --radius-pill: 9999px;

  /* ── Ombres ── */
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.4);
  --shadow-md: 0 8px 24px rgba(0,0,0,0.5);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.6);

  /* ── Glow néon ── */
  --glow-violet: 0 0 24px rgba(123,92,255,0.5), 0 0 48px rgba(123,92,255,0.25);
  --glow-cyan:   0 0 24px rgba(61,224,255,0.5),  0 0 48px rgba(61,224,255,0.25);
  --glow-soft:   0 0 16px rgba(123,92,255,0.3);

  /* ── Typographie ── */
  --font-display: 'Saira Condensed', sans-serif;
  --font-body:    'Inter', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;

  --text-display: 4.5rem;
  --text-h1:      3rem;
  --text-h2:      2.25rem;
  --text-h3:      1.5rem;
  --text-h4:      1.25rem;
  --text-body-lg: 1.125rem;
  --text-body:    1rem;
  --text-sm:      0.875rem;
  --text-xs:      0.75rem;

  /* ── Z-index ── */
  --z-canvas:  0;
  --z-content: 10;
  --z-sticky:  20;
  --z-overlay: 30;
  --z-modal:   50;

  /* ── Transitions ── */
  --transition-fast:   150ms ease;
  --transition-base:   250ms ease;
  --transition-slow:   400ms ease;
}

/* --- Reduced motion --- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}