/* ==========================================================================
   1. CSS VARIABLES & THEME - DESIGN SYSTEM COMPLET
   ========================================================================== */
:root {
  /* --- Palette Couleurs (Design Nouveau) --- */
  --color-primary: #F3BA2F;
  --color-primary-dark: #D8AA1A;
  --color-primary-light: #FFDC6A;
  --color-green: #00C853;
  --color-white: #FFFFFF;
  --color-black: #000000;
  --color-bg-dark: #000000;
  --color-bg-card: rgba(0, 0, 0, 0.8);
  --color-bg-card-light: rgba(40, 40, 40, 0.75);
  --color-text-primary: #FFFFFF;
  --color-text-secondary: #F0F0F0;
  --color-text-muted: #CCCCCC;
  
  /* --- Opacités (Performance Ancienne) --- */
  --opacity-primary-10: rgba(243, 186, 47, 0.1);
  --opacity-primary-20: rgba(243, 186, 47, 0.2);
  --opacity-primary-30: rgba(243, 186, 47, 0.3);
  --opacity-primary-40: rgba(243, 186, 47, 0.4);
  --opacity-primary-50: rgba(243, 186, 47, 0.5);
  --opacity-primary-60: rgba(243, 186, 47, 0.6);
  
  /* --- Ombres & Effets (Hybride) --- */
  --shadow-glow: 0 0 25px var(--opacity-primary-30);
  --shadow-glow-strong: 0 0 35px var(--opacity-primary-40);
  --shadow-card: 0 4px 15px rgba(0, 0, 0, 0.7);
  
  /* --- Z-Index Scale (Performance) --- */
  --z-base: 1;
  --z-content: 10;
  --z-dropdown: 100;
  --z-sticky: 500;
  --z-fixed: 1000;
  --z-modal: 2000;
  --z-tooltip: 3000;
  
  /* --- Transitions (Optimisé) --- */
  --transition-fast: 0.15s ease;
  --transition-default: 0.3s ease;
  --transition-slow: 0.6s ease;
  --transition-transform: transform 0.3s ease;
  --transition-opacity: opacity 0.3s ease;
  
  /* --- Typography (Design Nouveau) --- */
  --font-title: 'Luckiest Guy', 'Impact', 'Arial Black', sans-serif;
  --font-body: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  
  /* --- Tailles de Police (Système Complet) --- */
  --font-size-xs: clamp(10px, 2.5vw, 11px);
  --font-size-sm: clamp(11px, 2.5vw, 13px);
  --font-size-base: clamp(13px, 3vw, 14px);
  --font-size-md: clamp(14px, 3vw, 16px);
  --font-size-lg: clamp(18px, 4vw, 20px);
  --font-size-xl: clamp(24px, 5vw, 28px);
  --font-size-2xl: clamp(32px, 8vw, 44px);
  
  /* --- Spacing System (Performance) --- */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 12px;
  --space-lg: 16px;
  --space-xl: 20px;
  --space-2xl: 30px;
  --space-3xl: 40px;
  
  /* --- Animation Durations (Design Nouveau) --- */
  --fadeout-duration: 1.0s;
  --dezoom-duration: 5.0s;
  
  /* --- Layout (Hybride) --- */
  --header-height: 68px;
  --max-width-content: 1400px;
  --max-width-narrow: 1200px;
  
  /* --- Border Radius --- */
  --radius-sm: 8px;
  --radius-md: 15px;
  --radius-lg: 20px;
  --radius-circle: 50%;
  
  /* --- Touch Targets (Accessibilité) --- */
  --touch-target-min: 44px;
  
  /* --- Contours Texte (Design Nouveau) --- */
  --text-stroke-thin: 0.8px;
  --text-stroke-color: #000000;
}

/* ==========================================================================
   2. RESET & BASE STYLES - FONDATIONS OPTIMISÉES
   ========================================================================== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
  -moz-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
}

html {
  scroll-padding-top: var(--header-height);
  -webkit-text-size-adjust: 100%;
  scroll-behavior: auto;
}

body {
  background: var(--color-bg-dark);
  color: var(--color-text-primary);
  overflow-x: hidden;
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  touch-action: manipulation;
  text-rendering: optimizeLegibility;
}

img {
  -webkit-user-select: none;
  user-select: none;
  -webkit-user-drag: none;
  max-width: 100%;
  height: auto;
}

button, input, select {
  touch-action: manipulation;
  -webkit-user-select: none;
  user-select: none;
}

a {
  touch-action: manipulation;
  color: inherit;
  text-decoration: none;
}

p, h1, h2, h3, h4, h5, h6, span, label {
  -webkit-user-select: text;
  user-select: text;
}

/* ==========================================================================
   3. ACCESSIBILITY - WCAG COMPLETE
   ========================================================================== */
.skip-link {
  position: absolute;
  top: -100px;
  left: 0;
  z-index: var(--z-modal);
  padding: 12px 24px;
  background: var(--color-primary);
  color: var(--color-black);
  font-weight: 700;
  text-decoration: none;
  border-radius: 0 0 var(--radius-sm) 0;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 0;
  outline: 3px solid var(--color-white);
  outline-offset: 2px;
}

.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;
}

/* ==========================================================================
   4. UTILITY CLASSES - PERFORMANCE OPTIMALE
   ========================================================================== */
.title-font {
  font-family: var(--font-title);
}

.highlight, .yellow-text {
  color: var(--color-primary);
  text-shadow: 0 0 6px var(--opacity-primary-40);
  font-weight: 700;
}

.shake-click {
  animation: shake 0.3s ease-in-out;
}

/* ===== HOOVERS UNIFIÉS (Performance Ancienne) ===== */
.arch-card,
.step-card,
.token-card,
.rmx-card,
.flux-box,
.transparency-card,
.faq-item,
.skin,
.presale-card {
  transform: translateZ(0);
  backface-visibility: hidden;
  transition: var(--transition-transform), 
              box-shadow var(--transition-default), 
              border-color var(--transition-default);
}

.arch-card:hover,
.step-card:hover,
.token-card:hover,
.rmx-card:hover,
.flux-box:hover,
.transparency-card:hover,
.faq-item:hover,
.skin:hover,
.presale-card:hover {
  transform: translate3d(0, -5px, 0) scale(1.01);
  box-shadow: var(--shadow-glow-strong);
  border-color: var(--color-primary);
}

.presale-card:hover {
  box-shadow: var(--shadow-glow-strong), inset 0 0 20px rgba(255, 215, 0, 0.08);
}

:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 3px;
}

/* ==========================================================================
   5. TYPOGRAPHY - DESIGN NOUVEAU PRÉSERVÉ
   ========================================================================== */
.logo-text,
.bottom-title .the,
.bottom-title .main,
.banner-box h1,
#page2 h1,
.section-header h2,
.arch-card h3,
.step-card h3,
.token-card h3,
.flux-box h3,
.rmx-card-title,
.transparency-card h3,
.presale-card h3,
.presale-title,
.faq-question {
  font-family: var(--font-title);
}

.section-title {
  text-align: center;
  font-family: var(--font-title);
  font-size: var(--font-size-2xl);
  text-transform: uppercase;
  color: var(--color-text-primary);
  letter-spacing: 1.5px;
  margin-bottom: 60px;
  text-shadow: 0 0 20px var(--opacity-primary-50);
}

.subsection-title {
  text-align: center;
  font-family: var(--font-title);
  font-size: var(--font-size-xl);
  color: var(--color-text-primary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin: 50px 0 30px;
  text-shadow: 0 0 10px var(--opacity-primary-40);
}

/* ==========================================================================
   6. LAYOUT CONTAINERS - DESIGN NOUVEAU
   ========================================================================== */
.page-section {
  min-height: 100vh;
  padding: 120px var(--space-xl) 80px;
  background: var(--color-bg-dark);
  position: relative;
  overflow: visible;
}

/* Hero toujours visible */
.hero {
  content-visibility: visible !important;
}

.page-container {
  width: min(100% - 2rem, var(--max-width-content));
  margin-inline: auto;
  position: relative;
  z-index: var(--z-content);
  overflow: visible; /* FIX: permet aux numéros de cartes d'être visibles */
  contain: layout style; /* OPTIM: isolation rendering */
}

.bg-parallax {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: scroll;
}

/* ==========================================================================
   7. FIXED UI ELEMENTS - PERFORMANCE OPTIMISÉE
   ========================================================================== */
#reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
  z-index: calc(var(--z-fixed) + 1);
  transition: width 0.2s ease;
  will-change: width;
}

#back-to-top {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  width: 45px;
  height: 45px;
  border-radius: var(--radius-circle);
  background: var(--color-primary);
  color: #000;
  border: none;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  box-shadow: 0 4px 15px var(--opacity-primary-40);
  z-index: var(--z-sticky);
  transition: var(--transition-transform), opacity var(--transition-default);
  opacity: 0;
  transform: translate3d(0, 20px, 0);
  min-height: var(--touch-target-min);
  min-width: var(--touch-target-min);
  will-change: transform, opacity; /* OPTIM: GPU layer */
  backface-visibility: hidden; /* OPTIM: GPU */
}

#back-to-top.visible {
  display: flex;
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

#back-to-top:hover {
  background: var(--color-primary-light);
  transform: translate3d(0, -3px, 0);
  box-shadow: 0 6px 20px var(--opacity-primary-60);
}

/* ==========================================================================
   8. HEADER & NAVIGATION - DESIGN NOUVEAU
   ========================================================================== */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-xl);
  background: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(20px);
  box-shadow: inset 0 -1px 8px rgba(0, 0, 0, 0.3), 0 0 30px var(--opacity-primary-10);
  z-index: var(--z-fixed);
  border-bottom: 1px solid var(--opacity-primary-20);
  gap: var(--space-md);
  contain: layout style;
  will-change: transform; /* OPTIM: GPU layer */
  transform: translateZ(0); /* OPTIM: force GPU */
}

@supports not (backdrop-filter: blur(20px)) {
  header {
    background: rgba(0, 0, 0, 0.98);
  }
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  position: relative;
  z-index: var(--z-content);
}

.logo-box {
  width: 57px;
  height: 57px;
  border-radius: var(--radius-circle);
  overflow: hidden;
  background: transparent;
  flex-shrink: 0;
}

.logo-text {
  position: relative;
  display: flex;
  flex-direction: column;
  text-transform: uppercase;
  transform: rotate(-4deg) scale(0.8) translateY(10px);
  transform-origin: left center;
  line-height: 0.9;
}

.logo-text .the {
  position: absolute;
  top: -14px;
  left: 40%;
  transform: translateX(-50%);
  font-size: 13px;
  color: var(--color-primary);
  text-shadow: 0 0 1px #000, 0 0 2px #000;
}

.logo-text .battle,
.logo-text .chain {
  font-size: 22px;
  color: #fff;
  text-shadow: 0 0 1px #000, 1px 2px 3px rgba(0, 0, 0, 0.8), 0 0 2px rgba(0, 0, 0, 0.9);
}

.logo-text .chain {
  margin-top: -2px;
  margin-left: 5%;
}

nav {
  position: fixed;
  top: 60px;
  left: 0;
  right: 0;
  background: rgba(0, 0, 0, 0.98);
  flex-direction: column;
  padding: var(--space-xl);
  gap: var(--space-xl);
  transform: translateY(-100%);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-default);
  pointer-events: none;
  border-bottom: 1px solid var(--opacity-primary-20);
  margin: 0;
  display: flex;
}

nav.active {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
  pointer-events: all;
}

nav a {
  text-decoration: none;
  color: #ccc;
  font-weight: 600;
  transition: color var(--transition-default),
              transform var(--transition-default);
  cursor: pointer;
  font-size: var(--font-size-md);
  width: 100%;
  text-align: center;
  padding: var(--space-md);
  min-height: var(--touch-target-min);
  display: flex;
  align-items: center;
  justify-content: center;
}

nav a:hover {
  color: #fff;
  transform: translateY(-2px) scale(1.05);
}

.menu-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  z-index: calc(var(--z-fixed) + 1);
  padding: 5px;
  transition: transform var(--transition-default);
}

.menu-toggle:hover {
  transform: scale(1.1);
}

.menu-toggle:hover span {
  box-shadow: 0 0 8px var(--opacity-primary-50);
}

.menu-toggle span {
  width: 28px;
  height: 3px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: var(--transition-default);
  display: block;
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

/* ==========================================================================
   9. BUTTONS & ACTIONS - DESIGN NOUVEAU
   ========================================================================== */
.actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: nowrap;
}

.btn {
  border: none;
  border-radius: var(--radius-sm);
  padding: var(--space-md) var(--space-lg);
  cursor: pointer;
  font-weight: 600;
  transition: var(--transition-transform), 
              box-shadow var(--transition-default),
              filter var(--transition-default);
  font-size: 11px;
  white-space: nowrap;
  touch-action: manipulation;
  min-height: var(--touch-target-min);
  min-width: var(--touch-target-min);
}

.btn:hover {
  transform: translateY(-3px) scale(1.05);
  filter: brightness(1.1);
}

.btn:active {
  transform: translateY(-1px) scale(1.02);
}

.btn.connect {
  background: linear-gradient(180deg, #f4c542, #d8aa1a);
  color: #111;
  border: 2px solid #000;
  box-shadow: 0 0 20px var(--opacity-primary-40);
}

.btn.connect:hover {
  box-shadow: 0 0 20px var(--opacity-primary-40);
}

.btn.download {
  background: linear-gradient(180deg, #38b249, #2a8a38);
  color: #fff;
  box-shadow: 0 0 20px rgba(56, 178, 73, 0.3);
  display: none;
}

.btn.download:hover {
  box-shadow: 0 0 20px rgba(56, 178, 73, 0.3);
}

.btn.card-btn {
  background: #fff;
  color: #111;
}

.btn[disabled] {
  opacity: .5;
  cursor: not-allowed;
  pointer-events: none;
  filter: grayscale(.5);
}

.btn.loading {
  position: relative;
  color: transparent;
}

.btn.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 16px;
  height: 16px;
  border: 2px solid currentColor;
  border-radius: var(--radius-circle);
  border-top-color: transparent;
  animation: spin .6s linear infinite;
  color: var(--color-primary);
}

.lang-select {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #fff;
  border-radius: var(--radius-sm);
  padding: 5px var(--space-sm);
  font-weight: 600;
  cursor: pointer;
  font-size: 11px;
  min-width: 65px;
  transition: border-color var(--transition-default),
              background var(--transition-default),
              transform var(--transition-default);
}

.lang-select:hover {
  border-color: var(--color-primary);
  background: rgba(243, 186, 47, 0.15);
  transform: translateY(-2px);
}

/* ==========================================================================
   10. SOCIAL LINKS - DESIGN NOUVEAU (FIX: Hovers restaurés)
   ========================================================================== */
.social-links {
  display: none;
}

.social-links a,
.mobile-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-circle);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  transition: var(--transition-transform), 
              background var(--transition-default),
              border-color var(--transition-default);
  touch-action: manipulation;
}

.social-links a {
  width: 32px;
  height: 32px;
}

.social-links a svg {
  width: 16px;
  height: 16px;
  fill: var(--color-primary);
  transition: fill var(--transition-default);
}

/* FIX: Hover sur les boutons sociaux - mouvement comme nav, couleur jaune */
.social-links a:hover,
.mobile-social a:hover {
  background: var(--opacity-primary-20);
  border-color: var(--color-primary);
  transform: translateY(-2px) scale(1.05);
}

.social-links a:hover svg,
.mobile-social a:hover svg {
  fill: var(--color-primary);
}

.social-links a:active {
  transform: scale(.9);
}

.mobile-social {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 22px;
  margin: 42px 0;
}

.mobile-social a {
  width: 42px;
  height: 42px;
}

.mobile-social a svg {
  width: 21px;
  height: 21px;
  fill: var(--color-primary);
}

/* ==========================================================================
   11. DROP ZONES - DESIGN NOUVEAU AMÉLIORÉ
   ========================================================================== */
.drop-zone {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: transparent;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: 12px;
  color: #fff;
  overflow: hidden;
  position: relative;
  cursor: pointer;
  transition: all 0.3s ease;
}

.drop-zone::before {
  content: '';
  position: absolute;
  top: -15px;
  left: -15px;
  right: -15px;
  bottom: -15px;
  border-radius: 50%;
  background: var(--opacity-primary-10);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.drop-zone:hover::before {
  opacity: 1;
}

.drop-zone.has-image {
  border: none !important;
  background: transparent !important;
  box-shadow: none !important;
}

.drop-zone.has-image .drop-zone-text {
  display: none !important;
}

.drop-zone.has-image img {
  width: 92%;
  height: 92%;
  object-fit: cover;
  border-radius: 50%;
  margin: 4%;
  cursor: pointer;
  aspect-ratio: 1 / 1;
}

.drop-zone.has-image::after {
  content: '🔄 Changer';
  position: absolute;
  bottom: -25px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0, 0, 0, 0.8);
  color: var(--color-primary);
  padding: 5px 10px;
  border-radius: 15px;
  font-size: 11px;
  font-weight: bold;
  opacity: 0;
  transition: opacity 0.3s ease;
  white-space: nowrap;
}

.drop-zone.has-image:hover::after {
  opacity: 1;
}

.drop-zone-text {
  color: var(--opacity-primary-50);
  font-size: 14px;
  pointer-events: none;
  padding: 10px;
}

/* Section Background Drop Zone */
.section-bg-drop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.section-bg-drop .drop-zone-text {
  background: rgba(0, 0, 0, 0.7);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  border: 2px dashed var(--opacity-primary-50);
  color: var(--opacity-primary-50);
  font-size: 14px;
}

/* ==========================================================================
   12. HERO SECTION - DESIGN NOUVEAU OPTIMISÉ
   ========================================================================== */
.hero {
  min-height: 100vh;
  height: 100vh;
  background: linear-gradient(135deg, #1a1a1a 0%, #000000 100%);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  position: relative;
  padding: 0 15px var(--space-3xl);
  overflow: hidden;
}

.bottom-title {
  position: absolute;
  bottom: clamp(18vh, 22%, 25vh);
  left: 0;
  right: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-transform: uppercase;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.7);
  text-align: center;
  z-index: var(--z-content);
  padding: 0 10px;
  pointer-events: none; /* OPTIM: non-interactive */
  margin: 0;
}

.bottom-title .the {
  font-size: clamp(24px, 5vw, 38px);
  letter-spacing: 2px;
  margin-bottom: max(4px, 0.5vh);
  color: var(--color-primary);
  text-shadow: 0 0 2px #000, 0 0 2px #000, 0 0 2px #000;
  pointer-events: auto;
  line-height: 1;
}

.bottom-title .main {
  font-size: clamp(36px, 8vw, 96px);
  letter-spacing: 3px;
  color: #fff;
  line-height: 0.85;
  text-shadow: 0 0 40px var(--opacity-primary-30), 0 2px 8px rgba(0, 0, 0, 0.7), 0 0 2px #000, 0 0 2px #000, 0 0 2px #000;
  pointer-events: auto;
}

/* ==========================================================================
   13. HERO SLIDER - PERFORMANCE OPTIMISÉE
   ========================================================================== */
.hero-slider {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #000;
  z-index: 0;
  contain: strict;
  isolation: isolate;
}

.hero-slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  visibility: hidden;
  background: #000;
  transition: opacity var(--fadeout-duration) ease-in-out, 
              visibility var(--fadeout-duration) ease-in-out;
  z-index: 0;
  pointer-events: auto;
}

.hero-slide.active {
  opacity: 1;
  visibility: visible;
  z-index: var(--z-base);
}

.hero-slide.exiting {
  opacity: 0;
  visibility: visible;
  z-index: calc(var(--z-base) + 1);
  pointer-events: none; /* OPTIM: non-interactive pendant transition */
}

.slide-bg-drop {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  pointer-events: auto;
  background: rgba(255, 255, 255, 0.05);
  border: 2px dashed var(--opacity-primary-50);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.slide-bg-drop.has-image {
  border: none;
  background: transparent;
}

.slide-bg-drop.has-image img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform-origin: center;
  transform: scale(1.08);
  opacity: 1;
  transition: transform var(--dezoom-duration) ease-out, 
              opacity var(--fadeout-duration) ease-in-out, 
              filter var(--fadeout-duration) ease-in-out;
  will-change: transform, opacity, filter;
  backface-visibility: hidden;
  image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges;
}

.hero-slide.exiting .slide-bg-drop.has-image img {
  transform: scale(0.97);
  opacity: 0;
  filter: brightness(0.45);
}

.hero-slide.active .slide-bg-drop.has-image img {
  transform: scale(1.0);
  opacity: 1;
  filter: brightness(1);
}

.slide-bg-drop:hover:not(.has-image) {
  border-color: var(--color-primary);
  background: var(--opacity-primary-10);
}

.slider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(10px);
  border: 2px solid var(--opacity-primary-40);
  border-radius: var(--radius-circle);
  color: var(--color-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-tooltip);
  transition: all var(--transition-default);
  touch-action: manipulation;
  pointer-events: auto !important;
  will-change: transform; /* OPTIM: GPU layer */
  backface-visibility: hidden; /* OPTIM: GPU */
}

.slider-arrow svg {
  width: 20px;
  height: 20px;
}

.slider-prev {
  left: 15px;
}

.slider-next {
  right: 15px;
}

.slider-pagination {
  position: absolute;
  bottom: 25px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: var(--z-tooltip);
}

.pagination-dot {
  width: 10px;
  height: 10px;
  border-radius: var(--radius-circle);
  background: rgba(255, 255, 255, 0.3);
  border: 2px solid var(--opacity-primary-50);
  cursor: pointer;
  transition: var(--transition-transform), background var(--transition-default);
  pointer-events: auto;
  will-change: transform, background; /* OPTIM: GPU layer */
  backface-visibility: hidden; /* OPTIM: GPU */
}

.pagination-dot.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  transform: scale(1.3);
  box-shadow: 0 0 15px var(--opacity-primary-60);
}

/* ==========================================================================
   14. PAGE 2 (PRESALE) - DESIGN NOUVEAU OPTIMISÉ
   ========================================================================== */
#page2 .content-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  max-width: 100%;
  align-items: stretch;
  margin: 0 auto;
  width: 100%;
  padding: clamp(15px, 2vh, 40px) 0;
  min-height: auto;
}

#page2 .subtitle {
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--color-primary);
  text-transform: uppercase;
  margin-bottom: 10px;
  font-size: var(--font-size-xs);
}

#page2 h1 {
  text-transform: uppercase;
  line-height: 0.95;
  font-size: clamp(28px, 6vw, 42px);
  letter-spacing: 1px;
  margin-bottom: var(--space-lg);
  text-shadow: 0 4px 15px rgba(0, 0, 0, 0.7);
  color: #fff;
}

#page2 h2 {
  font-weight: 800;
  font-size: clamp(15px, 4vw, 18px);
  color: #e9e9e9;
  margin-bottom: 22px;
}

#page2 p {
  font-size: var(--font-size-base);
  line-height: 1.7;
  color: #ddd;
  margin-bottom: var(--space-lg);
}

#page2 .tagline {
  margin-top: 18px;
  font-weight: 800;
  font-size: clamp(13px, 3vw, 15px);
  color: #ffd84a;
  border-left: 4px solid var(--color-primary);
  padding-left: var(--space-md);
}

.text-content {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 0;
  text-align: center;
}

.skins-container {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  justify-items: center;
  row-gap: 24px;
  column-gap: var(--space-lg);
}

.skin {
  width: 70px;
  height: 70px;
  border-radius: var(--radius-circle);
  overflow: hidden;
  border: 2px solid var(--opacity-primary-60);
  background: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  cursor: pointer;
  transition: var(--transition-transform), 
              box-shadow var(--transition-default), 
              border-color var(--transition-default);
}

.skin:hover {
  transform: translate3d(0, -5px, 0) scale(1.01);
  box-shadow: var(--shadow-glow-strong);
  border-color: var(--color-primary);
}

.skin img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-circle);
  aspect-ratio: 1 / 1;
}

/* ==========================================================================
   15. PRESALE CARD - DESIGN NOUVEAU AVEC PERFORMANCE
   ========================================================================== */
.presale-card {
  width: 100%;
  max-width: 100%;
  border-radius: var(--radius-lg);
  background: radial-gradient(circle at 30% 30%, var(--opacity-primary-10), var(--color-bg-card));
  box-shadow: 0 0 25px rgba(243, 186, 47, 0.15), inset 0 0 20px rgba(255, 215, 0, 0.05);
  padding: var(--space-2xl) var(--space-xl);
  text-align: center;
  backdrop-filter: blur(12px);
  border: 2px solid var(--opacity-primary-50);
  margin: 0 auto;
  backface-visibility: hidden;
  /* contain supprimé - causait des problèmes de clipping */
  transition: var(--transition-transform), box-shadow var(--transition-default), border-color var(--transition-default);
}

.presale-card h3,
.presale-title {
  font-size: clamp(20px, 5vw, 26px);
  margin-bottom: var(--space-xl);
  color: #fff;
  text-shadow: 0 0 15px var(--opacity-primary-30);
  line-height: 1.2;
}

.countdown {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 25px;
  flex-wrap: wrap;
}

.countdown-item {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  width: 60px;
  height: 60px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.countdown-value {
  font-size: 16px;
  color: var(--color-primary);
}

.countdown-label {
  font-size: 9px;
  opacity: 0.8;
}

.presale-stats {
  text-align: center;
  margin: var(--space-xl) 0 10px;
  font-size: 15px;
  color: #fff;
  font-weight: 600;
}

.presale-stats strong {
  color: var(--color-primary);
  font-weight: 700;
}

.stat-line {
  margin-bottom: var(--space-sm);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.stat-line.price-big {
  font-size: 1.1em;
  margin-top: 10px;
}

.stat-line.price-big strong {
  font-size: 1.15em;
  color: var(--color-primary);
}

.progress-internal {
  width: 100%;
  height: 12px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  margin-top: 10px;
  overflow: hidden;
}

.progress-internal-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-dark));
  transition: width 0.4s ease;
}

.action-buttons {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  margin: var(--space-xl) 0;
  flex-wrap: wrap;
}

.wallet-info {
  font-size: var(--font-size-xs);
  color: #bbb;
}

.wallet-link {
  color: var(--color-primary);
}

.powered-by {
  margin-top: var(--space-xl);
  font-size: var(--font-size-xs);
  color: #888;
}

.lfd-bank {
  color: #fff;
}

/* ==========================================================================
   16. CARDS & GRIDS - DESIGN NOUVEAU OPTIMISÉ (FIX: Numéros visibles)
   ========================================================================== */
.cards-grid,
.steps-grid,
.tokenomics-grid,
.roadmap-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-2xl);
  max-width: var(--max-width-narrow);
  margin: 0 auto;
  position: relative;
  z-index: var(--z-base);
  overflow: visible;
  contain: layout style;
  padding-top: 10px;
}

.tokenomics-grid {
  gap: 25px;
  max-width: 1100px;
  overflow: visible; /* FIX: permet aux pourcentages d'être visibles */
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
  max-width: 1250px;
  margin: 0 auto;
  position: relative;
  z-index: var(--z-base);
}

.arch-card,
.step-card,
.token-card,
.rmx-card {
  background: radial-gradient(circle at 20% 20%, var(--color-bg-card-light), rgba(15, 15, 15, 0.75));
  border: 1.2px solid var(--opacity-primary-60);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl) var(--space-xl);
  box-shadow: 0 0 25px var(--opacity-primary-10);
  display: flex;
  flex-direction: column;
  position: relative;
  backface-visibility: hidden;
  font-family: var(--font-body);
  /* contain supprimé - causait le clipping des numéros */
}

.arch-card,
.step-card {
  min-height: 280px;
  justify-content: flex-start;
  text-align: left;
  overflow: visible !important; /* FIX: FORCE overflow visible pour numéros */
}

.token-card {
  min-height: 220px;
  padding: 25px var(--space-xl);
  border-radius: 18px;
  overflow: visible !important; /* FIX: FORCE overflow visible pour pourcentages */
}

.rmx-card {
  min-height: 380px;
  padding: 24px var(--space-xl);
  border-radius: 22px;
  overflow: visible !important;
}

/* FIX: Numéros des cartes - z-index et positionnement corrigé */
.arch-card .num,
.step-card .num {
  position: absolute;
  top: -15px;
  left: -15px;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-circle);
  background: #ffffff;
  color: #000000;
  font-weight: 700;
  font-size: var(--font-size-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 10px rgba(255, 255, 255, 0.4), 0 0 8px var(--opacity-primary-30);
  font-family: var(--font-title);
  z-index: 10; /* FIX: au-dessus de la carte */
}

/* FIX: Pourcentages des token cards - z-index et positionnement corrigé */
.token-card .percent {
  position: absolute;
  top: 15px;
  left: 15px;
  width: 45px;
  height: 45px;
  border-radius: var(--radius-circle);
  background: #ffffff;
  border: 2px solid rgba(0, 0, 0, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-title);
  color: #000000;
  font-size: 14px;
  box-shadow: 0 0 10px rgba(255, 255, 255, 0.35), 0 0 8px var(--opacity-primary-20);
  z-index: 10; /* FIX: au-dessus de la carte */
}

.arch-card h3,
.step-card h3 {
  color: var(--color-primary);
  letter-spacing: 1px;
  margin: var(--space-3xl) 0 var(--space-md) 0;
  font-size: var(--font-size-lg);
  text-transform: uppercase;
  text-shadow: 0 0 1px var(--opacity-primary-30);
  text-align: left;
  width: 100%;
}

.token-card h3 {
  margin-left: 60px;
  font-size: var(--font-size-lg);
  line-height: 1.15;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 10px;
  text-shadow: 0 0 1px var(--opacity-primary-30);
}

.arch-card p,
.step-card p {
  font-size: var(--font-size-base);
  line-height: 1.6;
  font-weight: 400;
  color: var(--color-text-secondary);
  text-align: left;
  width: 100%;
  margin-top: 5px;
}

.token-card p {
  margin-left: 60px;
  color: var(--color-text-secondary);
  font-size: var(--font-size-base);
  line-height: 1.6;
}

.arch-card p strong,
.step-card p strong {
  color: #fff;
  font-weight: 700;
}

/* ==========================================================================
   17. SPECIAL SECTIONS - DESIGN NOUVEAU
   ========================================================================== */
.banner-box {
  background: linear-gradient(135deg, var(--opacity-primary-60), rgba(255, 231, 122, 0.75));
  border-radius: var(--radius-lg);
  padding: var(--space-2xl) var(--space-xl);
  text-align: center;
  margin: 0 auto 50px;
  max-width: 1000px;
  border: 1.2px solid rgba(255, 255, 255, 0.05);
  box-shadow: 0 0 25px var(--opacity-primary-30);
}

.banner-box h1 {
  font-size: clamp(28px, 6vw, 36px);
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #111;
  text-shadow: 0 1px 1px rgba(255, 255, 255, 0.4);
  margin-bottom: var(--space-sm);
}

.banner-box p {
  font-weight: 600;
  font-size: var(--font-size-base);
  color: #1a1a1a;
}

.status-badge {
  display: inline-block;
  margin-top: var(--space-md);
  background: linear-gradient(90deg, #0a0a0a, #1e1e1e);
  color: #00ff88;
  padding: 10px var(--space-xl);
  border-radius: 20px;
  font-weight: 600;
  font-size: var(--font-size-xs);
  box-shadow: 0 0 12px rgba(0, 255, 136, 0.25);
}

.funds-grid {
  display: flex;
  justify-content: center;
  gap: var(--space-2xl);
  flex-wrap: wrap;
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  z-index: var(--z-base);
}

.flux-box {
  flex: 1;
  min-width: 260px;
  background: radial-gradient(circle at 50% 50%, var(--color-bg-card-light), rgba(10, 10, 10, 0.75));
  border: 1px solid var(--opacity-primary-50);
  border-radius: 18px;
  padding: var(--space-xl) var(--space-lg);
  text-align: center;
  box-shadow: 0 0 22px var(--opacity-primary-20);
  backface-visibility: hidden;
  font-family: var(--font-body);
  /* contain supprimé */
}

.flux-box h3 {
  font-size: var(--font-size-lg);
  color: var(--color-primary);
  margin-bottom: 10px;
  text-transform: uppercase;
  text-shadow: 0 0 1px var(--opacity-primary-30);
}

.flux-box p {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: 1.55;
}

.token-card p,
.token-card h3,
.flux-box p,
.flux-box h3 {
  -webkit-text-size-adjust: none;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
  margin-top: 0;
}

.section-header h2 {
  font-size: var(--font-size-2xl);
  color: #ffffff;
  text-transform: uppercase;
  text-shadow: 0 0 25px var(--opacity-primary-40);
  margin-bottom: var(--space-xl);
}

.section-header p {
  font-size: var(--font-size-md);
  opacity: 0.9;
  max-width: 880px;
  margin: 14px auto var(--space-2xl);
  line-height: 1.6;
  color: #ddd;
}

/* ==========================================================================
   18. ROADMAP - DESIGN NOUVEAU
   ========================================================================== */
.rmx-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 15px;
}

.rmx-pill {
  background: #ffffff;
  padding: 5px var(--space-md);
  border-radius: 999px;
  color: #000;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  box-shadow: 0 0 12px rgba(255, 255, 255, 0.35), 0 0 6px var(--opacity-primary-20);
  font-size: var(--font-size-sm);
}

.rmx-phase {
  opacity: 0.85;
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
}

.rmx-card-title {
  font-size: var(--font-size-lg);
  color: var(--color-primary);
  margin: 14px 0 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.6), 0 0 1px var(--opacity-primary-30);
}

.rmx-list {
  list-style: none;
  margin-top: 6px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex-grow: 1;
}

.rmx-list li {
  position: relative;
  padding-left: 26px;
  font-size: clamp(13px, 3vw, 15px);
  opacity: 0.96;
  line-height: 1.5;
  color: var(--color-text-secondary);
}

.rmx-list strong {
  color: #fff;
}

.rmx-list li.done::before {
  content: "✓";
  position: absolute;
  left: 4px;
  color: #f3ba2f;
  font-weight: 900;
}

.rmx-list li.progress::before {
  content: "•";
  position: absolute;
  left: 8px;
  top: -2px;
  color: #ffd369;
  font-size: 24px;
}

.rmx-list li.planned::before {
  content: "★";
  position: absolute;
  left: 5px;
  color: #88c3ff;
  font-size: 14px;
}

/* ==========================================================================
   19. FAQ - DESIGN NOUVEAU OPTIMISÉ
   ========================================================================== */
.faq-item {
  background: radial-gradient(circle at 20% 20%, var(--color-bg-card-light), rgba(15, 15, 15, 0.75));
  border: 1.2px solid var(--opacity-primary-50);
  border-radius: var(--radius-lg);
  box-shadow: 0 0 25px var(--opacity-primary-10);
  overflow: hidden;
  transition: var(--transition-transform), 
              max-height var(--transition-default), 
              box-shadow var(--transition-default), 
              border-color var(--transition-default);
  position: relative;
  z-index: var(--z-base);
  max-height: 80px;
  cursor: pointer;
  /* contain supprimé */
}

.faq-item.faq-open {
  max-height: 500px;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-question {
  position: relative;
  padding: 18px 50px 18px 18px;
  letter-spacing: 1px;
  text-transform: uppercase;
  font-size: var(--font-size-md);
  color: var(--color-primary);
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
  -moz-tap-highlight-color: transparent;
  text-shadow: 0 0 1px var(--opacity-primary-30);
  transition: color var(--transition-default);
  cursor: pointer;
  background: none;
  border: none;
  width: 100%;
  text-align: left;
}

.faq-question:hover,
.faq-item.faq-open .faq-question {
  color: var(--color-primary-light);
}

.faq-question::after {
  content: '▼';
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 12px;
  transition: transform var(--transition-default);
}

.faq-item.faq-open .faq-question::after {
  transform: translateY(-50%) rotate(180deg);
}

.faq-answer {
  padding: 0 18px;
  color: var(--color-text-secondary);
  font-size: clamp(13px, 3vw, 15px);
  line-height: 1.65;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.4s ease, 
              opacity var(--transition-default), 
              padding var(--transition-default);
}

.faq-item.faq-open .faq-answer {
  max-height: 1000px;
  opacity: 1;
  padding: 0 18px 18px;
}

/* ==========================================================================
   20. TAGS & MISC - DESIGN NOUVEAU
   ========================================================================== */
.tags-container {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 18px;
}

.tag {
  background: linear-gradient(90deg, #0a0a0a, #1e1e1e);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--color-primary);
  font-weight: 600;
  font-size: var(--font-size-sm);
  padding: var(--space-sm) var(--space-md);
  border-radius: 999px;
  box-shadow: 0 0 12px var(--opacity-primary-20);
}

.transparency-card {
  width: 100%;
  max-width: 1100px;
  margin: var(--space-3xl) auto;
  background: radial-gradient(circle at 50% 50%, var(--color-bg-card-light), rgba(10, 10, 10, 0.75));
  border: 1px solid var(--opacity-primary-50);
  border-radius: var(--radius-md);
  padding: var(--space-xl) var(--space-lg);
  text-align: center;
  box-shadow: 0 0 22px var(--opacity-primary-20);
  /* contain supprimé */
}

.transparency-card h3 {
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--space-sm);
  font-size: var(--font-size-md);
  text-shadow: 0 0 1px var(--opacity-primary-30);
}

.transparency-card p {
  color: var(--color-text-secondary);
  font-size: clamp(12px, 3vw, 13px);
  line-height: 1.6;
}

.footer-info {
  margin: var(--space-3xl) auto 0;
  text-align: center;
  font-size: var(--font-size-sm);
  line-height: 1.6;
  color: #fff;
  max-width: 900px;
  padding: 0 15px;
  position: relative;
  z-index: var(--z-base);
}

.footer-info p {
  color: #fff;
  margin-bottom: 15px;
}

.footer-info a {
  color: #fff;
  text-decoration: none;
  margin: 0 6px;
}

/* ==========================================================================
   21. ANIMATIONS - DESIGN NOUVEAU AVEC PERFORMANCE
   ========================================================================== */
@keyframes spin {
  to {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

@keyframes glowPulse {
  0%, 100% {
    text-shadow: 0 0 5px rgba(255, 215, 114, 0.7);
  }
  50% {
    text-shadow: 0 0 20px rgba(255, 215, 114, 0.9), 0 0 30px rgba(255, 215, 114, 0.6);
  }
}

@keyframes warningGlow {
  0%, 100% {
    text-shadow: 0 0 4px rgba(255, 180, 40, 0.4), 0 0 10px rgba(255, 150, 0, 0.3);
    transform: translateY(0px);
  }
  50% {
    text-shadow: 0 0 10px rgba(255, 210, 70, 0.8), 0 0 25px rgba(255, 160, 0, 0.7);
    transform: translateY(-1px);
  }
}

@keyframes shake {
  0%, 100% {
    transform: translateX(0);
  }
  25% {
    transform: translateX(-5px);
  }
  75% {
    transform: translateX(5px);
  }
}

.pv-glow {
  color: #FFD772;
  pointer-events: none; /* OPTIM: non-interactive */
}

.pv-warning-glow {
  color: #ffd778;
  pointer-events: none; /* OPTIM: non-interactive */
}

@media (prefers-reduced-motion: no-preference) {
  .pv-glow {
    animation: glowPulse 3.5s ease-in-out infinite;
  }
  
  .pv-warning-glow {
    animation: warningGlow 2.2s ease-in-out infinite;
  }
}

/* ==========================================================================
   22. RESPONSIVE - MOBILE FIRST ARCHITECTURE
   ========================================================================== */

/* ===== TABLET & UP (≥ 768px) ===== */
@media (min-width: 768px) {
  html {
    scroll-behavior: smooth;
  }
  
  .bg-parallax {
    background-attachment: fixed;
  }
  
  header {
    height: var(--header-height);
    padding: 0 25px;
    gap: 15px;
  }
  
  .logo {
    gap: var(--space-md);
  }
  
  .logo-box {
    width: 62px;
    height: 62px;
  }
  
  .logo-text {
    transform: rotate(-4deg) scale(0.85) translateY(10.3px);
  }
  
  .logo-text .the {
    font-size: 15.64px;
  }
  
  .logo-text .battle,
  .logo-text .chain {
    font-size: 26.07px;
  }
  
  nav {
    position: static;
    flex-direction: row;
    padding: 0;
    gap: var(--space-xl);
    transform: none;
    opacity: 1;
    visibility: visible;
    pointer-events: all;
    border: none;
    background: none;
    margin: 0 auto;
  }
  
  nav a {
    font-size: var(--font-size-sm);
    width: auto;
    padding: 0;
  }
  
  .menu-toggle {
    display: none;
  }
  
  header .social-links {
    display: flex;
    gap: 10px;
  }
  
  .mobile-social {
    display: none;
  }
  
  .actions {
    gap: var(--space-md);
  }
  
  .btn {
    padding: var(--space-sm) var(--space-lg);
    font-size: var(--font-size-sm);
  }
  
  .btn.download {
    display: inline-block;
  }
  
  .lang-select {
    padding: 6px 10px;
    font-size: var(--font-size-sm);
    min-width: auto;
  }
  
  .hero {
    padding: 0 var(--space-xl) var(--space-3xl);
  }
  
  .bottom-title {
    position: absolute;
    transform: none;
    bottom: clamp(19.26vh, 27%, 26.75vh);
    padding: 0 var(--space-xl);
  }
  
  .bottom-title .main {
    line-height: 0.9;
  }
  
  .slider-arrow {
    width: 50px;
    height: 50px;
  }
  
  .slider-arrow svg {
    width: 24px;
    height: 24px;
  }
  
  .slider-prev {
    left: var(--space-2xl);
  }
  
  .slider-next {
    right: var(--space-2xl);
  }
  
  .slider-pagination {
    bottom: var(--space-3xl);
    gap: var(--space-md);
  }
  
  .pagination-dot {
    width: 12px;
    height: 12px;
  }
  
  #back-to-top {
    bottom: var(--space-2xl);
    right: var(--space-2xl);
    width: 50px;
    height: 50px;
    font-size: 20px;
  }
  
  #page2 .content-grid {
    grid-template-columns: 1fr minmax(300px, 0.85fr);
    gap: clamp(25px, 2.5vw, 35px);
    max-width: 1200px;
    align-items: stretch;
    min-height: clamp(400px, 50vh, 700px);
  }
  
  .text-content {
    text-align: left;
  }
  
  .skins-container {
    display: flex;
    flex-wrap: wrap;
    margin-top: auto;
  }
  
  .skin {
    width: min(85px, 20vw);
    height: min(85px, 20vw);
  }
  
  .presale-card {
    max-width: 420px;
    padding: clamp(25px, 4vw, 40px) clamp(20px, 3vw, 30px);
  }
  
  .countdown {
    gap: 15px;
  }
  
  .countdown-item {
    width: 70px;
    height: 70px;
  }
  
  .countdown-value {
    font-size: 18px;
  }
  
  .section-title {
    font-size: var(--font-size-2xl);
    margin-bottom: 60px;
  }
  
  .arch-card,
  .step-card,
  .token-card,
  .flux-box,
  .rmx-card {
    padding: var(--space-2xl) var(--space-xl);
  }
  
  .banner-box {
    padding: var(--space-3xl) 25px;
  }
  
  .page-section {
    padding: 120px var(--space-xl) 80px;
  }
}

/* ===== DESKTOP (≥ 1024px) ===== */
@media (min-width: 1024px) {
  .slider-arrow {
    width: 40px;
    height: 40px;
  }
  
  .slider-prev {
    left: var(--space-lg);
  }
  
  .slider-next {
    right: var(--space-lg);
  }
}

/* ===== LARGE DESKTOP (≥ 1440px) ===== */
@media (min-width: 1440px) {
  header {
    padding: 0 var(--space-3xl);
    gap: 25px;
  }
  
  .logo {
    gap: 14px;
  }
  
  nav {
    gap: 22px;
  }
  
  .actions {
    gap: 14px;
  }
  
  #page2 .content-grid {
    grid-template-columns: minmax(min(100%, 400px), 1.2fr) minmax(min(100%, 350px), 0.8fr);
    gap: clamp(20px, 3vw, 40px);
    max-width: var(--max-width-content);
  }
}

/* ===== EXTRA LARGE DESKTOP (≥ 1920px) ===== */
@media (min-width: 1920px) {
  #page2 .content-grid {
    grid-template-columns: 1.25fr minmax(360px, 0.75fr);
    gap: clamp(40px, 3vw, 55px);
    max-width: 1600px;
  }
  
  .presale-card {
    max-width: 480px;
  }
  
  .page-container {
    max-width: 1600px;
  }
}

/* ===== MOBILE SMALL (≤ 480px) ===== */
@media (max-width: 480px) {
  .slider-arrow {
    width: 34px;
    height: 34px;
  }
  
  .slider-prev {
    left: var(--space-sm);
  }
  
  .slider-next {
    right: var(--space-sm);
  }
  
  .skin {
    width: 65px;
    height: 65px;
  }
}

/* ===== MOBILE EXTRA SMALL (≤ 380px) ===== */
@media (max-width: 380px) {
  header {
    padding: 0 15px;
    gap: var(--space-sm);
  }
  
  .logo {
    gap: var(--space-sm);
  }
  
  .logo-box {
    width: 50px;
    height: 50px;
  }
  
  .logo-text {
    transform: rotate(-4deg) scale(0.75) translateY(8px);
  }
  
  .logo-text .the {
    font-size: 12px;
  }
  
  .logo-text .battle,
  .logo-text .chain {
    font-size: 20px;
  }
  
  .actions {
    gap: 6px;
  }
  
  .btn {
    padding: 5px var(--space-sm);
    font-size: 10px;
  }
  
  .lang-select {
    padding: 4px 6px;
    font-size: 10px;
    min-width: 60px;
  }
}

/* ===== LANDSCAPE MOBILE ===== */
@media (max-height: 500px) and (orientation: landscape) {
  header {
    height: 55px;
    padding: 0 var(--space-xl);
  }
  
  nav {
    top: 55px;
  }
  
  .btn {
    padding: 5px 10px;
  }
  
  .slider-arrow {
    width: 35px;
    height: 35px;
  }
  
  .slider-arrow svg {
    width: 18px;
    height: 18px;
  }
  
  .slider-prev {
    left: 10px;
  }
  
  .slider-next {
    right: 10px;
  }
  
  .slider-pagination {
    bottom: 15px;
    gap: var(--space-sm);
  }
  
  .bottom-title {
    bottom: clamp(12.84vh, 18.19%, 21.4vh);
  }
  
  .bottom-title .the {
    font-size: clamp(20px, 4vw, 28px);
    margin-bottom: 2px;
  }
  
  .bottom-title .main {
    font-size: clamp(28px, 6vw, 60px);
    line-height: 0.8;
  }
}

/* ===== MOBILE PERFORMANCE OPTIMIZATION ===== */
@media (max-width: 768px) {
  /* Scroll snap pour UX */
  body {
    scroll-snap-type: y proximity;
  }
  
  .page-section {
    scroll-snap-align: start;
    scroll-snap-stop: normal;
  }
  
  /* Désactive calculs hors écran */
  .page-section:not(.hero):not(.active) {
    content-visibility: auto;
    contain-intrinsic-size: 0 1000px;
  }
  
  /* Optimise scroll tactile */
  .hero,
  .page-section {
    -webkit-overflow-scrolling: touch;
    overscroll-behavior-y: contain;
  }
  
  /* Cleanup slides inactives sur mobile */
  .hero-slide:not(.active):not(.exiting) {
    display: none;
  }
  
  /* Pause animations hors écran */
  .page-section:not(.hero) .pv-glow,
  .page-section:not(.hero) .pv-warning-glow {
    animation-play-state: paused;
  }
  
  .page-section.active .pv-glow,
  .page-section.active .pv-warning-glow {
    animation-play-state: running;
  }
}

/* ==========================================================================
   23. ACCESSIBILITY ENHANCEMENTS - WCAG COMPLETE
   ========================================================================== */
@media (prefers-contrast: high) {
  :root {
    --color-primary: #FFD700;
    --color-text-primary: #FFFFFF;
    --color-text-secondary: #F0F0F0;
    --color-text-muted: #E0E0E0;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .pv-glow,
  .pv-warning-glow {
    animation: none;
    opacity: 0.8;
  }
  
  .hero-slide {
    transition: opacity 0.01ms, visibility 0.01ms;
  }
  
  .slider-arrow,
  .pagination-dot {
    transition: none;
  }
  
  .arch-card:hover,
  .step-card:hover,
  .token-card:hover,
  .rmx-card:hover,
  .flux-box:hover,
  .transparency-card:hover,
  .faq-item:hover,
  .skin:hover,
  .presale-card:hover,
  .btn:hover,
  .social-links a:hover,
  .mobile-social a:hover,
  #back-to-top:hover,
  .slider-arrow:hover,
  .pagination-dot:hover {
    transform: none !important;
  }
}

/* ==========================================================================
   24. PERFORMANCE OPTIMIZATIONS FINALES
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-slide,
  .slide-bg-drop {
    pointer-events: none !important;
  }

  .slider-arrow,
  .slider-pagination,
  .pagination-dot {
    pointer-events: auto !important;
  }
}

.page-section:not(.hero):not(#page2) {
  content-visibility: auto;
  contain-intrinsic-size: 0 1000px;
}