/**
 * ================================================
 * DESIGN SYSTEM - FootTracker 2026
 * ================================================
 * 
 * Architecture CSS moderne avec :
 * - Variables CSS (custom properties)
 * - Mobile-First responsive
 * - Composants réutilisables
 * - Animations GSAP-friendly
 */

/* ============================================
   Fonts Import
   ============================================ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ============================================
   CSS Variables (Design Tokens)
   ============================================ */
:root {
  /* Couleurs principales */
  --pure-black: #000000;
  --bg-primary: #000000;
  --bg-card: #0d0d0d;
  --bg-hover: #1a1a1a;
  
  /* Accent néon */
  --neon-green: #00ff7f;
  --neon-green-dark: #00cc66;
  --neon-green-light: #33ff99;
  
  /* Texte */
  --text-primary: #ffffff;
  --text-secondary: #a0a0a0;
  --text-tertiary: #666666;
  
  /* Gris */
  --gray-100: #1a1a1a;
  --gray-200: #262626;
  --gray-300: #333333;
  --gray-400: #4d4d4d;
  
  /* Spacing (échelle 8pt) */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  
  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  --font-size-6xl: 3.75rem;
  
  /* Effects */
  --glow-neon: 0 0 20px rgba(0, 255, 127, 0.3);
  --glow-neon-strong: 0 0 30px rgba(0, 255, 127, 0.5), 0 0 60px rgba(0, 255, 127, 0.2);
  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.5);
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Border radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  background: var(--pure-black);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ============================================
   Layout Utilities
   ============================================ */
.container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-4);
  }
}

/* ============================================
   Navigation
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: var(--space-4) 0;
  transition: all var(--transition-base);
}

.navbar.scrolled {
  background: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: 900;
  font-size: var(--font-size-xl);
}

.nav-logo {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--neon-green), var(--neon-green-light));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  color: var(--pure-black);
  font-size: var(--font-size-lg);
}

.nav-links {
  display: flex;
  gap: var(--space-8);
  list-style: none;
}

.nav-links a {
  font-weight: 500;
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
  position: relative;
}

.nav-links a:hover {
  color: var(--neon-green);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--neon-green);
  transition: width var(--transition-fast);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-toggle {
  display: none;
  width: 32px;
  height: 32px;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text-primary);
  transition: all var(--transition-fast);
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }
  
  .nav-links {
    position: fixed;
    top: 70px;
    right: -100%;
    width: 250px;
    height: calc(100vh - 70px);
    background: rgba(13, 13, 13, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: var(--space-8);
    gap: var(--space-6);
    transition: right var(--transition-base);
    border-left: 1px solid rgba(255, 255, 255, 0.05);
  }
  
  .nav-links.active {
    right: 0;
  }
}

/* ============================================
   Buttons
   ============================================ */
.btn-primary {
  padding: var(--space-3) var(--space-6);
  background: var(--neon-green);
  color: var(--pure-black);
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.btn-primary:hover {
  background: var(--neon-green-light);
  box-shadow: var(--glow-neon-strong);
  transform: translateY(-2px);
}

.btn-secondary {
  padding: var(--space-3) var(--space-6);
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
  display: inline-block;
}

.btn-secondary:hover {
  border-color: var(--neon-green);
  color: var(--neon-green);
  background: rgba(0, 255, 127, 0.05);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
  padding: calc(var(--space-24) + 70px) 0 var(--space-24);
  position: relative;
  overflow: hidden;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}

.hero-left {
  animation: fadeInUp 0.8s ease-out backwards;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: rgba(0, 255, 127, 0.1);
  border: 1px solid rgba(0, 255, 127, 0.3);
  border-radius: 999px;
  font-size: var(--font-size-xs);
  font-weight: 700;
  color: var(--neon-green);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--space-4);
}

.hero-badge .pulse-dot {
  width: 8px;
  height: 8px;
  background: var(--neon-green);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.2); }
}

.hero-title {
  font-size: clamp(var(--font-size-4xl), 8vw, var(--font-size-6xl));
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: var(--space-6);
  background: linear-gradient(135deg, var(--text-primary), var(--neon-green));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-8);
  max-width: 500px;
}

.hero-cta {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.hero-right {
  position: relative;
  animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

.hero-visual {
  position: relative;
  width: 100%;
  height: 500px;
  background: linear-gradient(135deg, rgba(0, 255, 127, 0.05), rgba(0, 255, 127, 0.02));
  border-radius: var(--radius-xl);
  border: 1px solid rgba(0, 255, 127, 0.1);
  overflow: hidden;
}

.hero-visual::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80%;
  height: 80%;
  background: radial-gradient(circle, rgba(0, 255, 127, 0.1), transparent 70%);
  animation: pulse 3s infinite;
}

@media (max-width: 992px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  
  .hero-visual {
    height: 300px;
  }
}

/* ============================================
   Stats Grid (KPI Cards)
   ============================================ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  margin-top: calc(var(--space-16) * -1);
  position: relative;
  z-index: 10;
}

.stat-card {
  /* CORRECTION : Suppression du backdrop-filter qui causait le flou */
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  text-align: center;
  transition: all var(--transition-base);
}

.stat-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0, 255, 127, 0.3);
  box-shadow: var(--glow-neon);
  background: var(--bg-hover);
}

.stat-value {
  font-size: var(--font-size-5xl);
  font-weight: 900;
  color: var(--neon-green);
  margin-bottom: var(--space-3);
  line-height: 1;
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

@media (max-width: 992px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    margin-top: 0;
  }
}

@media (max-width: 576px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   Features Section
   ============================================ */
.features {
  padding: var(--space-24) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.section-badge {
  display: inline-flex;
  padding: var(--space-2) var(--space-4);
  background: rgba(0, 255, 127, 0.1);
  border: 1px solid rgba(0, 255, 127, 0.2);
  border-radius: 999px;
  font-size: var(--font-size-xs);
  font-weight: 700;
  color: var(--neon-green);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--space-4);
}

.section-title {
  font-size: clamp(var(--font-size-3xl), 5vw, var(--font-size-5xl));
  font-weight: 900;
  margin-bottom: var(--space-4);
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

.feature-card {
  /* CORRECTION : Suppression du backdrop-filter */
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: var(--space-10);
  transition: all var(--transition-base);
}

.feature-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0, 255, 127, 0.3);
  box-shadow: var(--glow-neon);
  background: var(--bg-hover);
}

.feature-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, rgba(0, 255, 127, 0.15), rgba(0, 255, 127, 0.05));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-6);
}

.feature-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--space-3);
}

.feature-description {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  line-height: 1.7;
}

@media (max-width: 992px) {
  .features-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
}

/* ============================================
   Content Section (Nouvelles sections)
   ============================================ */
.content-section {
  padding: var(--space-24) 0;
  position: relative;
}

.content-section.bg-subtle {
  background: linear-gradient(180deg, transparent, rgba(0, 255, 127, 0.02), transparent);
}

.content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.content-grid.reverse {
  direction: rtl;
}

.content-grid.reverse > * {
  direction: ltr;
}

.content-text h2 {
  font-size: clamp(var(--font-size-3xl), 5vw, var(--font-size-4xl));
  font-weight: 900;
  margin-bottom: var(--space-6);
  line-height: 1.2;
}

.content-text p {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-4);
}

.content-visual {
  position: relative;
  height: 400px;
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.content-visual::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(0, 255, 127, 0.15), transparent);
}

@media (max-width: 992px) {
  .content-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  
  .content-visual {
    height: 250px;
  }
}

/* ============================================
   Team Section (Équipe)
   ============================================ */
.team {
  padding: var(--space-24) 0;
  overflow: hidden;
}

.team-header {
  text-align: center;
  margin-bottom: var(--space-16);
}

/* CAROUSEL WRAPPER */
.carousel-wrapper {
  position: relative;
  width: 100%;
  overflow: hidden;
  padding: var(--space-8) 0;
  /* Pas de fade edges - ils causaient l'effet d'opacité */
}

/* TRACK (Container des cartes) */
#players-grid {
  display: flex;
  gap: var(--space-6);
  will-change: transform;
}

/* PLAYER CARD */
.player-card {
  /* Tailles FIXES - ne bougent JAMAIS */
  flex-shrink: 0;
  width: 320px;
  min-height: 440px;
  max-height: 440px;
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
  cursor: pointer;
  display: flex;
  flex-direction: column;
}

.player-card:hover {
  transform: translateY(-4px) scale(1.02);
  border-color: rgba(0, 255, 127, 0.3);
  /* Glow réduit pour éviter la cassure */
  box-shadow: 0 8px 24px rgba(0, 255, 127, 0.15);
}

.player-card-link {
  display: flex;
  flex-direction: column;
  height: 100%;
  color: inherit;
}

.player-image {
  width: 100%;
  height: 320px; /* Hauteur fixe image */
  min-height: 320px;
  max-height: 320px;
  object-fit: cover;
  background: var(--gray-100);
  flex-shrink: 0;
}

.player-info {
  /* Hauteur fixe pour le contenu */
  height: 120px;
  min-height: 120px;
  max-height: 120px;
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
}

.player-name {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--space-2);
  /* Empêcher débordement */
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.player-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  /* Empêcher débordement */
  white-space: nowrap;
  overflow: hidden;
}

.player-comments {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

@media (max-width: 768px) {
  .player-card {
    width: 280px;
    min-height: 400px;
    max-height: 400px;
  }
  
  .player-image {
    height: 280px;
    min-height: 280px;
    max-height: 280px;
  }
  
  .player-info {
    height: 120px;
    min-height: 120px;
    max-height: 120px;
  }
}

/* ============================================
   Player Detail Page
   ============================================ */
.player-hero {
  padding: calc(var(--space-24) + 70px) 0 var(--space-16);
  text-align: center;
}

.player-profile-image {
  width: 300px;
  height: 300px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid var(--neon-green);
  margin: 0 auto var(--space-8);
  box-shadow: var(--glow-neon-strong);
}

.player-hero h1 {
  font-size: clamp(var(--font-size-5xl), 10vw, 8rem);
  font-weight: 900;
  margin-bottom: var(--space-4);
  line-height: 1;
}

.player-stats {
  padding: var(--space-16) 0;
}

.stats-cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.player-stat-card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  text-align: center;
  transition: all var(--transition-base);
}

.player-stat-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 255, 127, 0.3);
  box-shadow: var(--glow-neon);
}

.player-stat-label {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: var(--space-2);
  letter-spacing: 1px;
}

.player-stat-value {
  font-size: var(--font-size-3xl);
  font-weight: 900;
  color: var(--neon-green);
}

@media (max-width: 992px) {
  .stats-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .stats-cards-grid {
    grid-template-columns: 1fr;
  }
}

/* Gallery Bento */
.gallery-section {
  padding: var(--space-16) 0;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}

.gallery-grid img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: all var(--transition-base);
}

.gallery-grid img:hover {
  transform: scale(1.05);
  border-color: rgba(0, 255, 127, 0.3);
}

/* Bento asymétrique */
.gallery-grid img:nth-child(1) {
  grid-column: span 2;
  grid-row: span 2;
  height: 504px;
}

.gallery-grid img:nth-child(4) {
  grid-column: span 2;
  height: 350px;
}

@media (max-width: 768px) {
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .gallery-grid img {
    height: 200px;
  }
  
  .gallery-grid img:nth-child(1),
  .gallery-grid img:nth-child(4) {
    grid-column: span 1;
    grid-row: span 1;
    height: 200px;
  }
}

/* Comments */
.comments-section {
  padding: var(--space-16) 0;
}

.comment-item {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  margin-bottom: var(--space-4);
}

.comment-author {
  font-weight: 700;
  color: var(--neon-green);
  margin-bottom: var(--space-2);
}

.comment-text {
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background: var(--bg-card);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: var(--space-16) 0 var(--space-8);
  margin-top: var(--space-24);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: 900;
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-4);
}

.footer-logo {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--neon-green), var(--neon-green-light));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--pure-black);
  font-weight: 900;
}

.footer-description {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-6);
  max-width: 400px;
}

.footer-social {
  display: flex;
  gap: var(--space-4);
}

.social-link {
  width: 40px;
  height: 40px;
  background: var(--gray-200);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.social-link:hover {
  background: var(--neon-green);
  color: var(--pure-black);
  transform: translateY(-2px);
}

.footer-section-title {
  font-size: var(--font-size-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--space-4);
  color: var(--text-secondary);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--space-3);
}

.footer-links a {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--neon-green);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--text-tertiary);
  font-size: var(--font-size-sm);
}

@media (max-width: 992px) {
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
}