/* ==========================================================================
   DESIGN SYSTEM - IPTV FRANCE
   Style moderne SaaS / Streaming, Dark Mode, Typographie Fluide & Mobile-First
   ========================================================================== */

:root {
  /* Palette de couleurs */
  --bg-dark: #07090e;
  --bg-primary: #0b0f19;
  --bg-secondary: #111827;
  --bg-card: #151e32;
  --bg-card-hover: #1c2842;
  --bg-glass: rgba(17, 24, 39, 0.75);
  --bg-glass-card: rgba(21, 30, 50, 0.65);
  --bg-input: #1a233a;

  /* Accents & Dégradés */
  --primary: #6366f1;
  --primary-light: #818cf8;
  --primary-dark: #4f46e5;
  --primary-glow: rgba(99, 102, 241, 0.25);

  --accent-cyan: #38bdf8;
  --accent-cyan-glow: rgba(56, 189, 248, 0.25);

  --accent-gold: #fbbf24;
  --accent-gold-glow: rgba(251, 191, 36, 0.25);

  --success: #10b981;
  --success-glow: rgba(16, 185, 129, 0.25);

  --whatsapp: #25d366;
  --whatsapp-hover: #20ba5a;

  /* Typographie & Contraste */
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  /* Bordures & Ombres */
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-glass: rgba(255, 255, 255, 0.12);
  --border-active: rgba(99, 102, 241, 0.6);

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 30px rgba(99, 102, 241, 0.2);

  /* Rayons de bordure */
  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-full: 9999px;

  /* Typographie Fluide */
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.8125rem);
  --text-sm: clamp(0.8125rem, 0.775rem + 0.25vw, 0.875rem);
  --text-base: clamp(0.9375rem, 0.8875rem + 0.25vw, 1.0625rem);
  --text-lg: clamp(1.0625rem, 1rem + 0.35vw, 1.25rem);
  --text-xl: clamp(1.25rem, 1.15rem + 0.5vw, 1.5rem);
  --text-2xl: clamp(1.5rem, 1.3rem + 1vw, 2rem);
  --text-3xl: clamp(1.875rem, 1.55rem + 1.6vw, 2.75rem);
  --text-4xl: clamp(2.25rem, 1.8rem + 2.25vw, 3.5rem);

  /* Espacements */
  --container-max: 1240px;
  --header-height: 76px;
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
  --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-dark);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: radial-gradient(circle at 50% 0%, #151c30 0%, var(--bg-dark) 70%);
  background-attachment: fixed;
  color: var(--text-secondary);
  overflow-x: hidden;
}

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

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

button, input, select, textarea {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
}

button {
  cursor: pointer;
}

ul, ol {
  list-style: none;
}

/* Accessibilité Focus */
:focus-visible {
  outline: 2px solid var(--primary-light);
  outline-offset: 3px;
}

/* Conteneur Global */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

.section {
  padding-top: clamp(3.5rem, 6vw, 6.5rem);
  padding-bottom: clamp(3.5rem, 6vw, 6.5rem);
  position: relative;
}

.section-sm {
  padding-top: clamp(2rem, 4vw, 3.5rem);
  padding-bottom: clamp(2rem, 4vw, 3.5rem);
}

/* En-têtes de Section */
.section-header {
  text-align: center;
  max-width: 780px;
  margin: 0 auto clamp(2.5rem, 4vw, 4rem);
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.9rem;
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: var(--radius-full);
  color: var(--primary-light);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 1rem;
}

.section-title {
  color: var(--text-primary);
  font-size: var(--text-3xl);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.section-title .highlight {
  background: linear-gradient(135deg, #a5b4fc 0%, var(--primary-light) 50%, var(--accent-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-desc {
  color: var(--text-muted);
  font-size: var(--text-base);
  line-height: 1.7;
}

/* Boutons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem 1.75rem;
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
  text-align: center;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #ffffff;
  box-shadow: 0 4px 18px rgba(99, 102, 241, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
  box-shadow: 0 6px 24px rgba(99, 102, 241, 0.5);
  transform: translateY(-2px);
  color: #ffffff;
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-glass);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-active);
  transform: translateY(-2px);
  color: #ffffff;
}

.btn-whatsapp {
  background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
  color: #ffffff;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.35);
}

.btn-whatsapp:hover {
  background: linear-gradient(135deg, #2ae06d 0%, #15a392 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 22px rgba(37, 211, 102, 0.5);
  color: #ffffff;
}

.btn-gold {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: #ffffff;
  box-shadow: 0 4px 18px rgba(245, 158, 11, 0.4);
}

.btn-gold:hover {
  background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 1.1rem 2.2rem;
  font-size: var(--text-base);
  border-radius: var(--radius-lg);
}

.btn-sm {
  padding: 0.55rem 1.1rem;
  font-size: var(--text-xs);
  border-radius: var(--radius-sm);
}

.btn-block {
  width: 100%;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.65rem;
  font-size: var(--text-xs);
  font-weight: 700;
  border-radius: var(--radius-full);
}

.badge-gold {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.2) 0%, rgba(217, 119, 6, 0.3) 100%);
  color: #fcd34d;
  border: 1px solid rgba(251, 191, 36, 0.4);
}

.badge-gradient {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.2) 0%, rgba(56, 189, 248, 0.2) 100%);
  color: #93c5fd;
  border: 1px solid rgba(56, 189, 248, 0.4);
}

.badge-subtle {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
}

.badge-success {
  background: rgba(16, 185, 129, 0.15);
  color: #6ee7b7;
  border: 1px solid rgba(16, 185, 129, 0.35);
}

/* Navigation Header */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(11, 15, 25, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  z-index: 1000;
  transition: background var(--transition-normal), border-color var(--transition-normal);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo */
.site-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.03em;
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent-cyan) 100%);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 16px var(--primary-glow);
}

.logo-icon svg {
  width: 20px;
  height: 20px;
  color: #ffffff;
}

.logo-text {
  background: linear-gradient(135deg, #ffffff 40%, var(--primary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.logo-flag {
  font-size: 0.95rem;
  margin-left: -0.2rem;
}

/* Navigation Desktop */
.nav-desktop {
  display: none;
  align-items: center;
  gap: 1.75rem;
}

.nav-link {
  color: var(--text-secondary);
  font-size: var(--text-sm);
  font-weight: 500;
  transition: color var(--transition-fast);
  position: relative;
  padding: 0.4rem 0;
}

.nav-link:hover, .nav-link.active {
  color: #ffffff;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary) 0%, var(--accent-cyan) 100%);
  border-radius: var(--radius-full);
}

.header-actions {
  display: none;
  align-items: center;
  gap: 1rem;
}

/* Burger Mobile */
.burger-btn {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  z-index: 1002;
}

.burger-btn span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--text-primary);
  border-radius: 2px;
  transition: transform var(--transition-normal), opacity var(--transition-normal);
}

.burger-btn.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.burger-btn.open span:nth-child(2) {
  opacity: 0;
}

.burger-btn.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Menu Mobile Drawer */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: min(85vw, 360px);
  height: 100vh;
  background: var(--bg-primary);
  border-left: 1px solid var(--border-glass);
  padding: 6rem 1.5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  transform: translateX(100%);
  transition: transform var(--transition-smooth);
  z-index: 1001;
  overflow-y: auto;
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.7);
}

.mobile-drawer.open {
  transform: translateX(0);
}

.mobile-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.mobile-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-size: var(--text-base);
  font-weight: 600;
}

.mobile-nav-link:hover, .mobile-nav-link.active {
  background: rgba(99, 102, 241, 0.15);
  border-color: var(--border-active);
  color: var(--primary-light);
}

/* Fil d'Ariane (Breadcrumbs) */
.breadcrumbs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: var(--text-xs);
  color: var(--text-muted);
  padding: 1.25rem 0;
}

.breadcrumbs a {
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

.breadcrumbs a:hover {
  color: var(--primary-light);
}

.breadcrumbs-separator {
  color: var(--text-dim);
}

.breadcrumbs-current {
  color: var(--text-primary);
  font-weight: 600;
}

/* Footer */
.site-footer {
  background: #06090e;
  border-top: 1px solid var(--border-subtle);
  padding-top: clamp(3.5rem, 5vw, 5rem);
  padding-bottom: 2rem;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  margin-bottom: 3.5rem;
}

.footer-brand {
  max-width: 380px;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: var(--text-sm);
  margin: 1rem 0 1.5rem;
  line-height: 1.7;
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--text-secondary);
  font-size: var(--text-sm);
  margin-bottom: 0.5rem;
}

.footer-col-title {
  color: var(--text-primary);
  font-size: var(--text-base);
  font-weight: 700;
  margin-bottom: 1.25rem;
  letter-spacing: -0.01em;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: var(--text-muted);
  font-size: var(--text-sm);
  transition: color var(--transition-fast), transform var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.footer-links a:hover {
  color: var(--primary-light);
  transform: translateX(3px);
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: var(--text-dim);
  font-size: var(--text-xs);
  text-align: center;
}

.footer-legal-notice {
  font-size: var(--text-xs);
  color: var(--text-dim);
  line-height: 1.6;
  max-width: 900px;
  margin: 1.5rem auto 0;
  text-align: center;
  border: 1px dashed rgba(255, 255, 255, 0.08);
  padding: 0.85rem;
  border-radius: var(--radius-sm);
}

/* Media Queries Responsives */
@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr;
  }
  .footer-bottom {
    flex-direction: row;
    text-align: left;
  }
}

@media (min-width: 1024px) {
  .nav-desktop {
    display: flex;
  }
  .header-actions {
    display: flex;
  }
  .burger-btn {
    display: none;
  }
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  }
}

/* Dégagement pour la barre sticky CTA sur mobile */
@media (max-width: 1023px) {
  body {
    padding-bottom: calc(75px + env(safe-area-inset-bottom, 0px));
  }
}