/* ============================================================
   SYSTÈME D'ÉMERGENCE — DESIGN SYSTEM
   Concept : Terminal d'aéroport / Hub multiservices
   Palette : Bleu cyan clair (#10B8F5), Bleu profond (#1D6F9B), Magenta violet (#D61AF3)
   Typo : Inter (corps), Space Mono (données techniques)
   ============================================================ */

/* === CUSTOM PROPERTIES === */
:root {
  /* Palette principale */
  --cyan: #10B8F5;
  --cyan-fonce: #0a8ec4;
  --cyan-tres-fonce: #065a7d;
  --bleu-profond: #1D6F9B;
  --bleu-fonce: #144d6b;
  --bleu-tres-fonce: #0c3042;
  --magenta: #D61AF3;
  --magenta-fonce: #a810c0;
  --magenta-tres-fonce: #7a0c8c;

  /* Dégradés */
  --gradient-principal: linear-gradient(135deg, var(--cyan) 0%, var(--bleu-profond) 50%, var(--magenta) 100%);
  --gradient-cyan: linear-gradient(135deg, var(--cyan) 0%, var(--cyan-fonce) 100%);
  --gradient-magenta: linear-gradient(135deg, var(--magenta) 0%, var(--magenta-fonce) 100%);

  /* Neutres */
  --noir: #080c10;
  --noir-anthracite: #111920;
  --anthracite: #182330;
  --anthracite-clair: #1f2d3d;
  --anthracite-surface: #253545;
  --blanc: #f0f4f8;
  --blanc-pur: #ffffff;
  --gris-signaletique: #8ba0b0;
  --gris-fonce: #5a6b7a;
  --gris-tres-fonce: #3a4855;

  /* Fonctionnelles */
  --succes: #10B8F5;
  --alerte: #D61AF3;
  --info: #1D6F9B;

  /* Typographie */
  --font-texte: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'Space Mono', 'Consolas', 'Monaco', monospace;

  /* Dimensions */
  --radius: 3px;
  --radius-sm: 2px;
  --radius-lg: 6px;
  --transition: 0.3s cubic-bezier(0.25, 0.1, 0.25, 1);
  --transition-rapide: 0.15s ease;
  --transition-lent: 0.5s cubic-bezier(0.25, 0.1, 0.25, 1);

  /* Ombres */
  --ombre-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --ombre: 0 4px 20px rgba(0, 0, 0, 0.3);
  --ombre-lg: 0 8px 40px rgba(0, 0, 0, 0.4);
  --ombre-cyan: 0 0 20px rgba(16, 184, 245, 0.3);
  --ombre-magenta: 0 0 20px rgba(214, 26, 243, 0.3);
  --header-h: 64px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: var(--header-h);
}

body {
  font-family: var(--font-texte);
  color: var(--blanc);
  background: var(--noir);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

/* === SCROLLBAR === */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--noir-anthracite);
}
::-webkit-scrollbar-thumb {
  background: var(--bleu-profond);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--cyan);
}

/* === SÉLECTION === */
::selection {
  background: var(--magenta);
  color: var(--blanc-pur);
}
::-moz-selection {
  background: var(--magenta);
  color: var(--blanc-pur);
}

/* === CONTENEUR === */
.conteneur-max {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* === TYPOGRAPHIE === */
.section-balisage {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--cyan);
  margin-bottom: 0.6rem;
  font-weight: 500;
}

.section-titre {
  font-family: var(--font-texte);
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 800;
  color: var(--blanc);
  line-height: 1.2;
  margin-bottom: 1rem;
  letter-spacing: -0.5px;
}

.section-soustitre {
  font-size: 0.95rem;
  color: var(--gris-signaletique);
  max-width: 550px;
  line-height: 1.7;
}

.text-center {
  text-align: center;
}

.text-center.section-soustitre {
  margin: 0 auto 3rem;
}

/* ============================================================
   BARRE DE PROGRESSION
   ============================================================ */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: var(--gradient-principal);
  z-index: 200;
  width: 0%;
  transition: width 0.1s ease;
}

/* ============================================================
   HEADER — BANDEAU SIGNALÉTIQUE
   ============================================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
}

.header-bandeau {
  background: rgba(17, 25, 32, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 2px solid var(--cyan);
  transition: background var(--transition), box-shadow var(--transition);
}

.header.scrolled .header-bandeau {
  background: rgba(8, 12, 16, 0.98);
  box-shadow: var(--ombre);
}

.header-conteneur {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo */
.header-logo {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.logo-sigle {
  background: var(--gradient-cyan);
  color: var(--blanc-pur);
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 1.3rem;
  letter-spacing: -1px;
  border-radius: var(--radius-sm);
  box-shadow: var(--ombre-cyan);
  transition: transform var(--transition), box-shadow var(--transition);
}

.header-logo:hover .logo-sigle {
  transform: scale(1.05);
  box-shadow: 0 0 30px rgba(16, 184, 245, 0.5);
}

.logo-texte {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--blanc);
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* Navigation */
.header-nav {
  display: flex;
  gap: 1.8rem;
}

.nav-lien {
  font-size: 0.75rem;
  color: var(--gris-signaletique);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.3rem;
  position: relative;
  padding: 0.3rem 0;
}

.nav-lien::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--cyan);
  transition: width var(--transition);
}

.nav-lien:hover {
  color: var(--cyan);
}

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

.nav-prefix {
  color: var(--magenta);
  font-family: var(--font-mono);
  font-weight: 700;
}

/* Bouton header */
.header-bouton {
  padding: 0.5rem 1.5rem;
  background: var(--gradient-magenta);
  color: var(--blanc-pur);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  border-radius: var(--radius);
  transition: all var(--transition);
  box-shadow: var(--ombre-magenta);
  position: relative;
  overflow: hidden;
}

.header-bouton::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.header-bouton:hover::before {
  width: 300px;
  height: 300px;
}

.header-bouton:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(214, 26, 243, 0.5);
}

/* Bouton porte mobile */
.header-porte {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 101;
}

.porte-barre {
  width: 28px;
  height: 2px;
  background: var(--cyan);
  border-radius: 1px;
  transition: transform var(--transition), opacity var(--transition);
}

@media (max-width: 860px) {
  .header-nav,
  .header-bouton {
    display: none;
  }
  .header-porte {
    display: flex;
  }
}

/* ============================================================
   PORTE COULISSANTE MOBILE
   ============================================================ */
.porte-panneau {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(17, 25, 32, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 99;
  transform: translateY(-100%);
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  border-bottom: 2px solid var(--magenta);
  box-shadow: var(--ombre-lg);
}

.porte-panneau.open {
  transform: translateY(0);
}

.porte-interieur {
  padding: 5rem 2rem 2rem;
}

.porte-nav {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.porte-lien {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--blanc);
  padding: 0.8rem 0;
  border-bottom: 1px solid rgba(16, 184, 245, 0.08);
  display: flex;
  gap: 1rem;
  align-items: center;
  transition: color var(--transition), border-color var(--transition);
}

.porte-lien:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.porte-code {
  color: var(--magenta);
  font-size: 0.8rem;
  min-width: 40px;
  font-weight: 700;
}

.porte-enregistrement {
  display: block;
  text-align: center;
  margin-top: 1.5rem;
  padding: 0.9rem;
  background: var(--gradient-magenta);
  color: var(--blanc-pur);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.85rem;
  border-radius: var(--radius);
  box-shadow: var(--ombre-magenta);
}

.porte-balisage {
  height: 40px;
  background: repeating-linear-gradient(
    90deg,
    rgba(16, 184, 245, 0.1) 0px,
    rgba(16, 184, 245, 0.1) 20px,
    transparent 20px,
    transparent 40px
  );
  margin-top: 1.5rem;
}

/* ============================================================
   HERO — TABLEAU DES DÉPARTS
   ============================================================ */
.departs {
  position: relative;
  min-height: 100vh;
  background: var(--noir);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6rem 1.5rem 3rem;
  overflow: hidden;
}

/* Fond animé */
.departs-fond {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, var(--anthracite) 0%, var(--noir) 100%);
}

.departs-fond::before {
  content: '';
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(circle at 20% 50%, rgba(16, 184, 245, 0.04) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(214, 26, 243, 0.04) 0%, transparent 50%),
    radial-gradient(circle at 50% 80%, rgba(29, 111, 155, 0.04) 0%, transparent 50%);
  animation: fondPulse 10s ease infinite;
}

@keyframes fondPulse {
  0%, 100% { opacity: 0.8; }
  50% { opacity: 1; }
}

.departs-fond::after {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    rgba(16, 184, 245, 0.015) 0px,
    rgba(16, 184, 245, 0.015) 1px,
    transparent 1px,
    transparent 4px
  );
}

/* Contenu */
.departs-conteneur {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  width: 100%;
}

.departs-entete {
  display: flex;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--gris-signaletique);
}

.departs-heure {
  color: var(--cyan);
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-shadow: 0 0 10px rgba(16, 184, 245, 0.4);
}

.departs-terminal {
  letter-spacing: 2px;
}

.departs-titre {
  font-family: var(--font-texte);
  font-size: clamp(2rem, 6vw, 3.5rem);
  font-weight: 900;
  background: var(--gradient-principal);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 3px;
  margin-bottom: 0.5rem;
  animation: slideInFromBottom 0.8s ease-out 0.2s both;
}

.departs-soustitre {
  color: var(--cyan);
  font-size: 1rem;
  margin-bottom: 2.5rem;
  letter-spacing: 2px;
  animation: slideInFromBottom 0.8s ease-out 0.35s both;
}

/* Tableau */
.departs-tableau {
  background: var(--anthracite);
  border: 1px solid rgba(16, 184, 245, 0.1);
  overflow: hidden;
  border-radius: var(--radius-lg);
  box-shadow: var(--ombre-lg);
  animation: slideInFromBottom 0.8s ease-out 0.5s both;
}

.tableau-entete {
  display: grid;
  grid-template-columns: 1fr 2fr 1fr 1.5fr;
  gap: 0.5rem;
  padding: 0.8rem 1.5rem;
  background: var(--anthracite-clair);
  font-family: var(--font-mono);
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--gris-signaletique);
  border-bottom: 1px solid rgba(16, 184, 245, 0.08);
}

.tableau-vol {
  display: grid;
  grid-template-columns: 1fr 2fr 1fr 1.5fr;
  gap: 0.5rem;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid rgba(16, 184, 245, 0.04);
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}

.tableau-vol:last-child {
  border-bottom: none;
}

.tableau-vol:hover {
  background: rgba(16, 184, 245, 0.06);
  transform: translateX(8px);
}

.vol-numero {
  font-family: var(--font-mono);
  color: var(--cyan);
  font-weight: 700;
  font-size: 0.85rem;
}

.vol-destination {
  font-weight: 600;
  color: var(--blanc);
  font-size: 0.95rem;
}

.vol-porte {
  font-family: var(--font-mono);
  color: var(--magenta);
  font-weight: 600;
}

.vol-statut {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--cyan);
  font-weight: 600;
  letter-spacing: 1px;
  animation: clignoter 2s infinite;
}

@keyframes clignoter {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.departs-info {
  display: flex;
  justify-content: space-between;
  margin-top: 2rem;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--gris-signaletique);
  letter-spacing: 2px;
  animation: slideInFromBottom 0.8s ease-out 0.7s both;
}

@keyframes slideInFromBottom {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 600px) {
  .departs-entete {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }
  .tableau-entete {
    font-size: 0.5rem;
    padding: 0.5rem 0.8rem;
    grid-template-columns: 1fr 1.5fr 0.8fr 1.2fr;
  }
  .tableau-vol {
    padding: 0.7rem 0.8rem;
    grid-template-columns: 1fr 1.5fr 0.8fr 1.2fr;
  }
  .vol-destination {
    font-size: 0.8rem;
  }
}

/* ============================================================
   COMPAGNIE — À PROPOS
   ============================================================ */
.compagnie {
  padding: 6rem 0;
  background: var(--noir-anthracite);
}

.compagnie-disposition {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.compagnie-visuel {
  position: relative;
}

.compagnie-image {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  box-shadow: var(--ombre-lg);
}

.compagnie-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(16, 184, 245, 0.1) 0%, rgba(214, 26, 243, 0.1) 100%);
}

.compagnie-image img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  filter: brightness(0.7);
  transition: transform 0.6s ease, filter 0.6s ease;
}

.compagnie-image:hover img {
  transform: scale(1.03);
  filter: brightness(0.85);
}

.compagnie-badge {
  position: absolute;
  bottom: -20px;
  right: -20px;
  animation: flotterBadge 3s ease-in-out infinite;
}

@keyframes flotterBadge {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

.badge-sigle {
  width: 60px;
  height: 60px;
  background: var(--gradient-cyan);
  color: var(--blanc-pur);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 1.5rem;
  box-shadow: var(--ombre-cyan);
  border-radius: var(--radius-sm);
}

.compagnie-texte p {
  color: var(--gris-signaletique);
  margin-bottom: 0.8rem;
  font-size: 0.95rem;
  line-height: 1.8;
}

.compagnie-intro {
  font-size: 1.05rem !important;
  font-weight: 500;
  color: var(--blanc) !important;
  margin-bottom: 1.2rem !important;
}

.compagnie-chiffres {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(16, 184, 245, 0.1);
}

.chiffre-item {
  text-align: center;
  padding: 0.5rem;
  transition: transform var(--transition);
}

.chiffre-item:hover {
  transform: translateY(-5px);
}

.chiffre-nombre {
  display: block;
  font-family: var(--font-mono);
  font-size: 2rem;
  background: var(--gradient-principal);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 700;
}

.chiffre-label {
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--gris-signaletique);
}

@media (max-width: 768px) {
  .compagnie-disposition {
    grid-template-columns: 1fr;
  }
  .compagnie-image img {
    height: 280px;
  }
  .compagnie-chiffres {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ============================================================
   SERVICES — PORTES D'EMBARQUEMENT
   ============================================================ */
.services {
  padding: 6rem 0;
  background: var(--anthracite);
}

.services-entete {
  margin-bottom: 3rem;
}

.porte-service {
  background: var(--noir-anthracite);
  border: 1px solid rgba(16, 184, 245, 0.06);
  margin-bottom: 2.5rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
  opacity: 0;
  transform: translateY(40px);
}

.porte-service:hover {
  border-color: var(--cyan);
  box-shadow: var(--ombre-cyan);
}

/* Entête de porte */
.porte-entete {
  display: flex;
  gap: 1.5rem;
  align-items: center;
  padding: 1.5rem;
  background: var(--anthracite-clair);
  border-bottom: 1px solid rgba(16, 184, 245, 0.06);
}

.porte-panneau-numero {
  background: var(--noir);
  padding: 0.8rem 1.2rem;
  text-align: center;
  border: 2px solid var(--cyan);
  border-radius: var(--radius);
  transition: transform var(--transition), box-shadow var(--transition);
}

.porte-service:hover .porte-panneau-numero {
  transform: scale(1.08);
  box-shadow: var(--ombre-cyan);
}

.porte-lettre {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--gris-signaletique);
  letter-spacing: 1px;
}

.porte-chiffre {
  display: block;
  font-family: var(--font-mono);
  font-size: 2.2rem;
  color: var(--cyan);
  font-weight: 700;
}

.porte-identite {
  flex: 1;
}

.porte-vol {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--magenta);
  letter-spacing: 2px;
  font-weight: 600;
}

.porte-entete h3 {
  font-size: 1.6rem;
  color: var(--blanc);
  font-weight: 700;
  margin: 0.2rem 0;
}

.porte-statut {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--cyan);
  letter-spacing: 2px;
  animation: clignoter 2s infinite;
}

/* Corps de porte — disposition texte + visuel */
.porte-corps {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 2.5rem;
  padding: 2rem;
  align-items: start;
}

.porte-description p {
  color: var(--gris-signaletique);
  margin-bottom: 0.8rem;
  font-size: 0.9rem;
  line-height: 1.8;
}

.porte-prestations {
  margin-top: 1.2rem;
}

.porte-prestations h4 {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--magenta);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 0.8rem;
}

.porte-prestations ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.porte-prestations li {
  padding: 0.6rem 0 0.6rem 1.2rem;
  border-left: 3px solid var(--cyan);
  color: var(--blanc);
  font-size: 0.85rem;
  transition: border-color var(--transition);
}

.porte-prestations li:hover {
  border-left-color: var(--magenta);
}

/* ============================================================
   VISUEL DES SERVICES — MÊME DISPOSITION QUE LA SECTION À PROPOS
   ============================================================ */

/* Conteneur principal du visuel */
.porte-visuel {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  position: relative;
}

/* Image principale — grande, pleine largeur */
.porte-image-principale {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  box-shadow: var(--ombre-lg);
}

.porte-image-principale::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(16, 184, 245, 0.08) 0%, rgba(214, 26, 243, 0.08) 100%);
  pointer-events: none;
}

.porte-image-principale img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  filter: brightness(0.75);
  transition: transform 0.6s ease, filter 0.6s ease;
}

.porte-image-principale:hover img {
  transform: scale(1.03);
  filter: brightness(0.9);
}

/* Images secondaire et tertiaire — en dessous, côte à côte */
.porte-image-secondaire,
.porte-image-tertiaire {
  overflow: hidden;
  border-radius: var(--radius-lg);
  box-shadow: var(--ombre);
}

.porte-image-secondaire img,
.porte-image-tertiaire img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  filter: brightness(0.75);
  transition: transform 0.6s ease, filter 0.6s ease;
}

.porte-image-secondaire:hover img,
.porte-image-tertiaire:hover img {
  transform: scale(1.04);
  filter: brightness(0.95);
}

/* Sur tablette et desktop, les deux petites images s'affichent côte à côte */
@media (min-width: 769px) {
  .porte-visuel {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto;
    gap: 1rem;
  }

  .porte-image-principale {
    grid-column: 1 / -1;
    grid-row: 1;
  }

  .porte-image-secondaire {
    grid-column: 1;
    grid-row: 2;
  }

  .porte-image-tertiaire {
    grid-column: 2;
    grid-row: 2;
  }
}

/* Sur mobile, tout s'empile */
@media (max-width: 768px) {
  .porte-image-principale img {
    height: 220px;
  }

  .porte-image-secondaire img,
  .porte-image-tertiaire img {
    height: 140px;
  }
}

/* CTA */
.porte-cta {
  padding: 1.5rem 2rem;
  border-top: 1px solid rgba(16, 184, 245, 0.06);
  text-align: center;
}

.porte-bouton {
  display: inline-block;
  padding: 0.85rem 2.2rem;
  background: var(--gradient-cyan);
  color: var(--blanc-pur);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-size: 0.8rem;
  border-radius: var(--radius);
  box-shadow: var(--ombre-cyan);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
  animation: pulsation 2s infinite;
}

@keyframes pulsation {
  0%, 100% { box-shadow: 0 0 0 0 rgba(16, 184, 245, 0.4); }
  50% { box-shadow: 0 0 0 15px rgba(16, 184, 245, 0); }
}

.porte-bouton::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.porte-bouton:hover::before {
  width: 300px;
  height: 300px;
}

.porte-bouton:hover {
  background: var(--gradient-magenta);
  box-shadow: var(--ombre-magenta);
  transform: translateY(-3px);
}

@media (max-width: 768px) {
  .porte-corps {
    grid-template-columns: 1fr;
  }
  .porte-galerie {
    grid-template-columns: repeat(2, 1fr);
  }
  .porte-entete {
    flex-direction: column;
    text-align: center;
  }
}

/* ============================================================
   HUB — POURQUOI NOUS
   ============================================================ */
.hub {
  padding: 6rem 0;
  background: var(--noir);
}

.hub-piliers {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.pilier {
  background: var(--noir-anthracite);
  padding: 2rem;
  text-align: center;
  border: 1px solid rgba(16, 184, 245, 0.05);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
  opacity: 0;
  transform: translateY(40px);
}

.pilier:hover {
  border-color: var(--magenta);
  box-shadow: var(--ombre-magenta);
  transform: translateY(-8px);
}

.pilier-icone {
  margin-bottom: 1.2rem;
}

.icone-sigle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border: 2px solid var(--cyan);
  font-family: var(--font-mono);
  font-size: 1.2rem;
  color: var(--cyan);
  font-weight: 700;
  border-radius: 50%;
  transition: all 0.8s ease;
}

.pilier:hover .icone-sigle {
  transform: rotate(360deg);
  background: var(--gradient-magenta);
  color: var(--blanc-pur);
  border-color: var(--magenta);
  box-shadow: var(--ombre-magenta);
}

.pilier h3 {
  color: var(--blanc);
  font-size: 1.1rem;
  margin-bottom: 0.6rem;
  font-weight: 700;
}

.pilier p {
  color: var(--gris-signaletique);
  font-size: 0.85rem;
  line-height: 1.7;
}

@media (max-width: 768px) {
  .hub-piliers {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .hub-piliers {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   TÉMOIGNAGES — CARTES D'EMBARQUEMENT
   ============================================================ */
.temoignages {
  padding: 6rem 0;
  background: var(--anthracite);
}

.cartes {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.carte-embarquement {
  background: var(--blanc-pur);
  color: var(--noir);
  padding: 1.8rem;
  border-radius: var(--radius-lg);
  position: relative;
  box-shadow: var(--ombre);
  transition: all var(--transition);
  opacity: 0;
  transform: translateY(40px);
  perspective: 600px;
}

.carte-embarquement:hover {
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.5);
}

.carte-entete {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.2rem;
  padding-bottom: 1rem;
  border-bottom: 2px dashed var(--gris-signaletique);
}

.carte-compagnie {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--gris-tres-fonce);
  letter-spacing: 2px;
  font-weight: 600;
}

.carte-type {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  color: var(--magenta);
  letter-spacing: 1px;
  font-weight: 600;
}

.carte-corps {
  margin-bottom: 1.2rem;
}

.carte-champs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.8rem;
  margin-bottom: 1.2rem;
}

.champ small {
  display: block;
  font-size: 0.55rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--gris-fonce);
  margin-bottom: 0.1rem;
}

.champ strong {
  font-size: 0.85rem;
  color: var(--noir);
}

.carte-message {
  font-size: 0.85rem;
  color: var(--gris-tres-fonce);
  line-height: 1.7;
  font-style: italic;
}

.carte-codebarre {
  height: 22px;
  background: repeating-linear-gradient(
    90deg,
    var(--noir) 0px,
    var(--noir) 2px,
    var(--blanc-pur) 2px,
    var(--blanc-pur) 4px,
    var(--noir) 4px,
    var(--noir) 6px,
    var(--blanc-pur) 6px,
    var(--blanc-pur) 10px
  );
  border-radius: var(--radius-sm);
}

@media (max-width: 640px) {
  .cartes {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   CONTACT — COMPTOIR D'ENREGISTREMENT
   ============================================================ */
.contact {
  position: relative;
  padding: 6rem 0;
}

.contact-fond {
  position: absolute;
  inset: 0;
  background: var(--noir-anthracite);
}

.contact-fond::before {
  content: '';
  position: absolute;
  inset: 0;
  background: 
    linear-gradient(45deg, transparent 40%, rgba(16, 184, 245, 0.02) 40%, rgba(16, 184, 245, 0.02) 60%, transparent 60%),
    linear-gradient(135deg, transparent 40%, rgba(214, 26, 243, 0.02) 40%, rgba(214, 26, 243, 0.02) 60%, transparent 60%);
  background-size: 20px 20px, 20px 20px;
}

.contact-disposition {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.contact-infos p {
  color: var(--gris-signaletique);
  margin-bottom: 2rem;
}

.contact-coordonnees {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.coordonnee {
  display: flex;
  gap: 1rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(16, 184, 245, 0.06);
  transition: border-color var(--transition);
}

.coordonnee:hover {
  border-bottom-color: var(--cyan);
}

.coordonnee-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--magenta);
  min-width: 90px;
  font-weight: 600;
}

.coordonnee-valeur {
  font-size: 0.9rem;
  color: var(--blanc);
}

/* Formulaire */
.contact-formulaire {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  background: var(--anthracite);
  padding: 2rem;
  border: 1px solid rgba(16, 184, 245, 0.08);
  border-radius: var(--radius-lg);
  box-shadow: var(--ombre-lg);
}

.form-champ {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  transition: transform var(--transition);
}

.form-champ label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--cyan);
  font-weight: 600;
}

.form-champ input,
.form-champ select,
.form-champ textarea {
  padding: 0.8rem 1rem;
  background: var(--noir-anthracite);
  border: 1px solid rgba(16, 184, 245, 0.1);
  color: var(--blanc);
  font-family: var(--font-texte);
  font-size: 0.9rem;
  border-radius: var(--radius);
  transition: all var(--transition);
}

.form-champ input:focus,
.form-champ select:focus,
.form-champ textarea:focus {
  outline: none;
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(16, 184, 245, 0.1);
}

.form-champ select option {
  background: var(--noir-anthracite);
  color: var(--blanc);
}

.contact-formulaire button {
  padding: 0.9rem;
  background: var(--gradient-magenta);
  color: var(--blanc-pur);
  border: none;
  cursor: pointer;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.8rem;
  font-family: var(--font-texte);
  border-radius: var(--radius);
  box-shadow: var(--ombre-magenta);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
  animation: pulsation 2s infinite;
}

.contact-formulaire button::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.contact-formulaire button:hover::before {
  width: 300px;
  height: 300px;
}

.contact-formulaire button:hover {
  background: var(--gradient-cyan);
  box-shadow: var(--ombre-cyan);
  transform: translateY(-2px);
}

@media (max-width: 768px) {
  .contact-disposition {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   FOOTER — PISTE D'ATTERRISSAGE
   ============================================================ */
.footer {
  background: var(--noir);
  padding: 3rem 0 0;
}

.footer-piste {
  height: 4px;
  background: repeating-linear-gradient(
    90deg,
    var(--cyan) 0px,
    var(--cyan) 30px,
    var(--magenta) 30px,
    var(--magenta) 60px,
    var(--bleu-profond) 60px,
    var(--bleu-profond) 90px
  );
  margin-bottom: 2rem;
  animation: defiler 10s linear infinite;
}

@keyframes defiler {
  from { background-position: 0 0; }
  to { background-position: 180px 0; }
}

.footer-grille {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-marque {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.footer-sigle {
  display: inline-block;
  background: var(--gradient-cyan);
  color: var(--blanc-pur);
  width: 44px;
  height: 44px;
  line-height: 44px;
  text-align: center;
  font-weight: 900;
  font-size: 1.2rem;
  border-radius: var(--radius-sm);
  box-shadow: var(--ombre-cyan);
}

.footer-nom {
  font-weight: 700;
  color: var(--blanc);
  font-size: 1rem;
}

.footer-baseline {
  font-size: 0.7rem;
  color: var(--gris-signaletique);
}

.footer-colonne h4 {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--magenta);
  margin-bottom: 0.8rem;
  font-weight: 600;
}

.footer-colonne a,
.footer-colonne p {
  display: block;
  font-size: 0.8rem;
  color: var(--gris-signaletique);
  margin-bottom: 0.4rem;
  transition: color var(--transition);
}

.footer-colonne a:hover {
  color: var(--cyan);
}

.footer-bas {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 0;
  border-top: 1px solid rgba(16, 184, 245, 0.06);
  font-size: 0.65rem;
  color: var(--gris-fonce);
  font-family: var(--font-mono);
}

@media (max-width: 768px) {
  .footer-grille {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 480px) {
  .footer-grille {
    grid-template-columns: 1fr;
  }
  .footer-bas {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }
}

/* ============================================================
   BOUTON RETOUR EN HAUT
   ============================================================ */
#boutonRetourHaut {
  background: var(--gradient-cyan);
  color: var(--blanc-pur);
  box-shadow: var(--ombre-cyan);
  border-radius: 50%;
}

#boutonRetourHaut:hover {
  background: var(--gradient-magenta);
  box-shadow: var(--ombre-magenta);
}
/* === LOGOS IMAGES === */

/* Logo header */
.logo-image {
  height: 100px;
  width: auto;
  display: block;
  transition: transform var(--transition), filter var(--transition);
}

.header-logo:hover .logo-image {
  transform: scale(1.05);
  filter: brightness(1.2);
}

/* Badge compagnie */
.badge-image {
  width: 60px;
  height: 60px;
  object-fit: contain;
  display: block;
  border-radius: var(--radius-sm);
  box-shadow: var(--ombre-cyan);
  animation: flotterBadge 3s ease-in-out infinite;
}

/* Logo footer */
.footer-logo-image {
  width: 100px;
  height: 100px;
  object-fit: contain;
  display: block;
  margin-bottom: 0.5rem;
}

/* Logo dans le hero (optionnel) */
.departs-logo {
  margin-bottom: 1.5rem;
  animation: slideInFromBottom 0.8s ease-out 0.1s both;
}

.departs-logo img {
  margin: 0 auto;
  display: block;
  filter: drop-shadow(0 0 20px rgba(16, 184, 245, 0.4));
}
@media (max-width: 768px) {
  .porte-corps {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}
/* ============================================
   BOUTONS FLOTTANTS (WhatsApp + Retour en haut)
   ============================================ */

/* Conteneur principal des boutons flottants */
.boutons-flottants {
  position: fixed;
  bottom: 2rem;
  left: 2rem;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  align-items: flex-start;
}

/* Style de base pour chaque bouton flottant */
.bouton-flottant {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 3.25rem;
  height: 3.25rem;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
  position: relative;
  overflow: hidden;
  color: #ffffff;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 0.875rem;
  white-space: nowrap;
  backdrop-filter: blur(4px);
}

/* Label caché par défaut, visible au survol */
.bouton-label {
  max-width: 0;
  overflow: hidden;
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  margin-left: 0;
  padding-right: 0;
  font-size: 0.85rem;
  letter-spacing: 0.02em;
}

/* Expansion au survol */
.bouton-flottant:hover,
.bouton-flottant:focus-visible {
  width: auto;
  padding: 0 1.25rem;
}

.bouton-flottant:hover .bouton-label,
.bouton-flottant:focus-visible .bouton-label {
  max-width: 120px;
  opacity: 1;
  margin-left: 0.25rem;
  padding-right: 0.25rem;
}

/* Bouton WhatsApp */
.bouton-whatsapp {
  background: linear-gradient(135deg, #25D366, #128C7E);
  order: 1;
}

.bouton-whatsapp:hover,
.bouton-whatsapp:focus-visible {
  background: linear-gradient(135deg, #20BD5C, #0E7A6D);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.5);
  transform: translateY(-2px);
}

.bouton-whatsapp:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(37, 211, 102, 0.3);
}

/* Bouton Retour en haut */
.bouton-retour-haut {
  background: linear-gradient(135deg, #1a1a1a, #333333);
  border: 1px solid rgba(255, 255, 255, 0.15);
  order: 2;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1), 
              opacity 0.3s ease, 
              visibility 0.3s ease, 
              transform 0.3s ease;
  pointer-events: none;
}

/* État visible du bouton retour en haut */
.bouton-retour-haut.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

.bouton-retour-haut:hover,
.bouton-retour-haut:focus-visible {
  background: linear-gradient(135deg, #2a2a2a, #444444);
  border-color: rgba(255, 255, 255, 0.3);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.5);
  transform: translateY(-2px);
}

.bouton-retour-haut:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

/* Icônes SVG */
.bouton-flottant svg {
  width: 1.5rem;
  height: 1.5rem;
  flex-shrink: 0;
  transition: transform 0.3s ease;
}

.bouton-flottant:hover svg,
.bouton-flottant:focus-visible svg {
  transform: scale(1.1);
}

.bouton-retour-haut svg {
  stroke: #ffffff;
  width: 1.35rem;
  height: 1.35rem;
}

/* Adaptation mobile */
@media (max-width: 768px) {
  .boutons-flottants {
    bottom: 1.25rem;
    left: 1.25rem;
    gap: 0.625rem;
  }

  .bouton-flottant {
    width: 3rem;
    height: 3rem;
  }

  .bouton-flottant:hover,
  .bouton-flottant:focus-visible {
    width: auto;
    padding: 0 1rem;
  }

  .bouton-label {
    font-size: 0.8rem;
  }

  .bouton-flottant svg {
    width: 1.35rem;
    height: 1.35rem;
  }
}

@media (max-width: 480px) {
  .boutons-flottants {
    bottom: 1rem;
    left: 1rem;
    gap: 0.5rem;
  }

  .bouton-flottant {
    width: 2.75rem;
    height: 2.75rem;
  }

  .bouton-flottant svg {
    width: 1.25rem;
    height: 1.25rem;
  }
}
@media (prefers-color-scheme: dark) {
  .bouton-retour-haut {
    background: linear-gradient(135deg, #2a2a2a, #444444);
    border-color: rgba(255, 255, 255, 0.2);
  }

  .bouton-retour-haut:hover,
  .bouton-retour-haut:focus-visible {
    background: linear-gradient(135deg, #3a3a3a, #555555);
    border-color: rgba(255, 255, 255, 0.35);
  }
}
@media (prefers-reduced-motion: reduce) {
  .bouton-flottant,
  .bouton-label,
  .bouton-retour-haut {
    transition: none !important;
  }
}
@media (min-width: 1600px) {
  .boutons-flottants {
    left: calc((100vw - 1400px) / 2 + 2rem);
  }
}