/* ========================================
   STAF-SG — Design System & Global Styles
   ======================================== */

/* --- Variables --- */
:root {
  /* Colors — aligned with STAF-SG official logo */
  --color-primary: #1E3F8B;          /* STAF-SG brand blue */
  --color-primary-dark: #0F2454;      /* Deep navy for sections */
  --color-primary-light: #2D5BB8;     /* Lighter accent blue */
  --color-accent: #E87722;            /* Sahel orange — action color */
  --color-accent-dark: #c4621a;
  --color-gold: #D4A24C;
  --color-bg: #FAFBFC;
  --color-bg-section: #F1F4F8;
  --color-text: #0F172A;
  --color-text-muted: #475569;
  --color-border: #E2E8F0;
  --color-success: #16A34A;
  --color-success-dark: #0f7a37;
  --color-error: #DC2626;
  --color-white: #FFFFFF;

  /* Typography */
  --font-heading: 'Sora', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Spacing (8px grid) */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;
  --space-5xl: 128px;

  /* Layout */
  --container-max: 1280px;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 12px 32px rgba(15, 23, 42, 0.12);
  --shadow-xl: 0 24px 48px rgba(15, 23, 42, 0.16);

  /* Transitions */
  --transition: 200ms ease-out;
}

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

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

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
}

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

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

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

ul, ol {
  list-style: none;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-primary);
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 700;
}

h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 700;
}

h3 {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  font-weight: 600;
}

h4 {
  font-size: 1.125rem;
  font-weight: 600;
}

p {
  margin-bottom: var(--space-md);
  color: var(--color-text-muted);
}

p:last-child {
  margin-bottom: 0;
}

.lead {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* --- Layout helpers --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.section {
  padding: var(--space-4xl) 0;
}

.section-sm {
  padding: var(--space-3xl) 0;
}

.section-bg {
  background-color: var(--color-bg-section);
}

.section-dark {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.section-dark h1, .section-dark h2, .section-dark h3 {
  color: var(--color-white);
}

.section-dark p {
  color: rgba(255, 255, 255, 0.8);
}

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

.section-header {
  max-width: 720px;
  margin: 0 auto var(--space-3xl);
  text-align: center;
}

.section-header .eyebrow {
  display: inline-block;
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

.section-header h2 {
  margin-bottom: var(--space-md);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 14px 28px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition);
  white-space: nowrap;
  cursor: pointer;
  text-align: center;
  line-height: 1;
}

.btn-primary {
  background-color: var(--color-accent);
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background-color: var(--color-accent-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-secondary:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.btn-secondary-light {
  background-color: transparent;
  color: var(--color-white);
  border: 2px solid rgba(255, 255, 255, 0.4);
}

.btn-secondary-light:hover {
  background-color: var(--color-white);
  color: var(--color-primary);
  border-color: var(--color-white);
}

.btn-whatsapp {
  background-color: var(--color-success);
  color: var(--color-white);
}

.btn-whatsapp:hover {
  background-color: var(--color-success-dark);
}

.btn-lg {
  padding: 18px 36px;
  font-size: 1.0625rem;
}

.btn-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* --- Top Bar --- */
.top-bar {
  background-color: var(--color-primary);
  color: var(--color-white);
  font-size: 0.875rem;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.top-bar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.top-bar-info {
  display: flex;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.top-bar-info span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: rgba(255, 255, 255, 0.85);
}

.top-bar-info svg {
  width: 14px;
  height: 14px;
  opacity: 0.8;
}

.top-bar-contact {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.top-bar-contact a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-white);
  font-weight: 500;
  transition: color var(--transition);
}

.top-bar-contact a:hover {
  color: var(--color-accent);
}

.top-bar-contact svg {
  width: 14px;
  height: 14px;
}

@media (max-width: 768px) {
  .top-bar {
    display: none;
  }
}

/* --- Header / Navigation --- */
.header {
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) 0;
  gap: var(--space-lg);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-shrink: 0;
  text-decoration: none;
}

.logo-img {
  height: 44px;
  width: auto;
  display: block;
}

@media (max-width: 640px) {
  .logo-img {
    height: 36px;
  }
}

/* Footer logo: invert/whiten dark logo on dark background */
.footer .logo-img {
  filter: brightness(0) invert(1);
  opacity: 0.95;
}

.nav-menu {
  display: flex;
  gap: var(--space-xl);
  align-items: center;
}

.nav-menu li {
  position: relative;
}

.nav-menu a {
  font-weight: 500;
  font-size: 0.9375rem;
  color: var(--color-text);
  padding: var(--space-sm) 0;
  position: relative;
  transition: color var(--transition);
}

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--color-accent);
}

.nav-menu a.has-dropdown::after {
  content: '▾';
  margin-left: 4px;
  font-size: 0.75rem;
  opacity: 0.6;
}

/* Dropdown */
.dropdown {
  position: absolute;
  top: 100%;
  left: -16px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  min-width: 260px;
  padding: var(--space-sm);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all var(--transition);
  z-index: 10;
}

.nav-menu li:hover .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown a {
  display: block;
  padding: 10px var(--space-md);
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  color: var(--color-text);
}

.dropdown a:hover {
  background-color: var(--color-bg-section);
  color: var(--color-accent);
}

.nav-cta {
  display: flex;
  gap: var(--space-md);
  align-items: center;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  width: 32px;
  height: 32px;
  justify-content: center;
  align-items: center;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-primary);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle.active span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

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

.nav-toggle.active span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

@media (max-width: 1024px) {
  .nav-menu {
    position: fixed;
    top: 73px;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-lg);
    gap: 0;
    border-top: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
    max-height: calc(100vh - 73px);
    overflow-y: auto;
  }

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

  .nav-menu li {
    border-bottom: 1px solid var(--color-border);
  }

  .nav-menu a {
    display: block;
    padding: var(--space-md) 0;
  }

  .dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    padding: 0 0 var(--space-md) var(--space-md);
    background: transparent;
  }

  .nav-cta .btn-secondary {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }
}

/* --- Hero Section --- */
.hero {
  position: relative;
  /* background géré par l\'image */
  background: transparent;
  color: var(--color-white);
  overflow: hidden;
  padding: var(--space-4xl) 0;
}

.hero-bg-image {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 1;  /* Opacité pleine — l'overlay CSS gère la lisibilité */
  overflow: hidden;
}

.hero-bg-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  /* Pas de blur ni désaturation — l'image est affichée normalement */
  /* L'overlay dégradé au-dessus gère la lisibilité du texte */
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(ellipse at top right, rgba(232, 119, 34, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at bottom left, rgba(212, 162, 76, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(0deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  opacity: 0.5;
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
}

.hero-content {
  max-width: 640px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background-color: rgba(232, 119, 34, 0.15);
  color: #FFB880;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 600;
  margin-bottom: var(--space-lg);
  border: 1px solid rgba(232, 119, 34, 0.3);
}

.hero-badge .dot {
  width: 6px;
  height: 6px;
  background-color: var(--color-accent);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--color-accent);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.hero h1 {
  color: var(--color-white);
  font-size: clamp(2.25rem, 4.5vw, 3.75rem);
  line-height: 1.1;
  margin-bottom: var(--space-lg);
}

.hero h1 .accent {
  color: var(--color-accent);
}

.hero-subtitle {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: var(--space-2xl);
  line-height: 1.6;
}

.hero-cta {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  margin-bottom: var(--space-2xl);
}

.hero-trust {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.hero-trust-text {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.75);
}

.hero-trust-text strong {
  color: var(--color-white);
  font-weight: 600;
}

/* Hero Visual */
.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-card {
  background-color: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 440px;
}

.hero-card-title {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: var(--space-md);
}

.hero-card-routes {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.hero-route {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all var(--transition);
}

.hero-route:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: rgba(232, 119, 34, 0.3);
}

.hero-route-icon {
  width: 40px;
  height: 40px;
  background-color: rgba(232, 119, 34, 0.2);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.hero-route-icon svg {
  width: 20px;
  height: 20px;
  color: var(--color-accent);
}

.hero-route-info {
  flex: 1;
}

.hero-route-name {
  font-weight: 600;
  color: var(--color-white);
  font-size: 0.9375rem;
}

.hero-route-detail {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 2px;
}

.hero-route-status {
  font-size: 0.75rem;
  color: var(--color-success);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 4px;
}

.hero-route-status::before {
  content: '';
  width: 6px;
  height: 6px;
  background-color: var(--color-success);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .hero-visual {
    order: -1;
  }

  .hero-card {
    max-width: 100%;
  }
}

/* --- Stats Bar --- */
.stats-bar {
  background-color: var(--color-white);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-2xl) 0;
}

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

.stat {
  text-align: center;
  border-right: 1px solid var(--color-border);
  padding: 0 var(--space-md);
}

.stat:last-child {
  border-right: none;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-sm);
  letter-spacing: -0.02em;
}

.stat-number .accent {
  color: var(--color-accent);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

@media (max-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
  }

  .stat {
    border-right: none;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: var(--space-lg);
  }

  .stat:nth-child(odd) {
    border-right: 1px solid var(--color-border);
  }

  .stat:nth-last-child(-n+2) {
    border-bottom: none;
    padding-bottom: 0;
  }
}

/* --- Services Grid --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.service-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background-color: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-icon {
  width: 56px;
  height: 56px;
  background-color: rgba(232, 119, 34, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
}

.service-icon svg {
  width: 28px;
  height: 28px;
  color: var(--color-accent);
}

.service-card h3 {
  margin-bottom: var(--space-sm);
}

.service-card p {
  font-size: 0.9375rem;
  margin-bottom: var(--space-lg);
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 600;
  color: var(--color-accent);
  font-size: 0.9375rem;
}

.service-link:hover {
  gap: var(--space-md);
}

@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

/* --- Why Choose Us --- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-2xl);
}

.feature {
  display: flex;
  gap: var(--space-lg);
  align-items: flex-start;
}

.feature-icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  background-color: var(--color-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-icon svg {
  width: 24px;
  height: 24px;
  color: var(--color-accent);
}

.feature-content h3 {
  margin-bottom: var(--space-sm);
  font-size: 1.25rem;
}

.feature-content p {
  font-size: 0.9375rem;
}

@media (max-width: 768px) {
  .features-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
}

/* --- Corridors / Network --- */
.corridors-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.corridor-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  transition: all var(--transition);
}

.corridor-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
  transform: translateX(4px);
}

.corridor-flag {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-accent);
  font-size: 1.125rem;
}

.corridor-info {
  flex: 1;
}

.corridor-route {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--color-primary);
  font-size: 1.0625rem;
  margin-bottom: 2px;
}

.corridor-detail {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.corridor-arrow {
  color: var(--color-accent);
  font-size: 1.25rem;
  transition: transform var(--transition);
}

.corridor-card:hover .corridor-arrow {
  transform: translateX(4px);
}

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

/* --- Sectors --- */
.sectors-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-md);
}

.sector-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  text-align: center;
  transition: all var(--transition);
}

.sector-card:hover {
  border-color: var(--color-accent);
  background-color: rgba(232, 119, 34, 0.03);
  transform: translateY(-2px);
}

.sector-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--space-md);
  background-color: var(--color-bg-section);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--transition);
}

.sector-card:hover .sector-icon {
  background-color: rgba(232, 119, 34, 0.15);
}

.sector-icon svg {
  width: 24px;
  height: 24px;
  color: var(--color-primary);
}

.sector-card:hover .sector-icon svg {
  color: var(--color-accent);
}

.sector-name {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--color-primary);
  font-size: 0.9375rem;
}

@media (max-width: 1024px) {
  .sectors-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 640px) {
  .sectors-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* --- Process Steps --- */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
  position: relative;
}

.process-step {
  text-align: center;
  position: relative;
}

.process-number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background-color: var(--color-accent);
  color: var(--color-white);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-md);
  position: relative;
  z-index: 2;
  box-shadow: 0 0 0 8px var(--color-bg);
}

.process-step h4 {
  margin-bottom: var(--space-sm);
  color: var(--color-primary);
}

.process-step p {
  font-size: 0.9375rem;
}

@media (max-width: 768px) {
  .process-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
}

/* --- Showcase Grid (Fleet & Infrastructure) --- */
.showcase-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: var(--space-md);
  height: 600px;
}

.showcase-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  transition: transform var(--transition);
  background-color: var(--color-primary);
}

.showcase-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.showcase-large {
  grid-row: span 2;
}

.showcase-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 600ms ease-out;
}

.showcase-card:hover img {
  transform: scale(1.05);
}

.showcase-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-xl);
  background: linear-gradient(to top, rgba(15, 36, 84, 0.95) 0%, rgba(15, 36, 84, 0.5) 50%, transparent 100%);
  color: var(--color-white);
}

.showcase-tag {
  display: inline-block;
  align-self: flex-start;
  background-color: var(--color-accent);
  color: var(--color-white);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-md);
}

.showcase-overlay h3 {
  color: var(--color-white);
  font-size: 1.375rem;
  margin-bottom: var(--space-sm);
  line-height: 1.3;
}

.showcase-large .showcase-overlay h3 {
  font-size: 1.75rem;
}

.showcase-overlay p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.9375rem;
  margin: 0;
}

@media (max-width: 1024px) {
  .showcase-grid {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto;
    height: auto;
  }

  .showcase-large {
    grid-column: span 2;
    grid-row: auto;
    height: 400px;
  }

  .showcase-card:not(.showcase-large) {
    height: 280px;
  }
}

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

  .showcase-large {
    grid-column: auto;
    height: 320px;
  }

  .showcase-card:not(.showcase-large) {
    height: 240px;
  }
}


.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
}

.testimonial {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  position: relative;
}

.testimonial-quote {
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--color-text);
  margin-bottom: var(--space-lg);
  font-style: italic;
  position: relative;
}

.testimonial-quote::before {
  content: '"';
  font-family: var(--font-heading);
  font-size: 4rem;
  color: var(--color-accent);
  opacity: 0.2;
  position: absolute;
  top: -20px;
  left: -10px;
  line-height: 1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.125rem;
  flex-shrink: 0;
}

.testimonial-author-info h4 {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--color-primary);
  font-size: 1rem;
  margin-bottom: 2px;
}

.testimonial-author-info span {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.testimonial-rating {
  display: flex;
  gap: 2px;
  margin-bottom: var(--space-md);
  color: var(--color-gold);
}

.testimonial-rating svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

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

/* --- CTA Section --- */
.cta-section {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
  padding: var(--space-4xl) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(ellipse at center, rgba(232, 119, 34, 0.15) 0%, transparent 60%);
  pointer-events: none;
}

.cta-section .container {
  position: relative;
  z-index: 2;
}

.cta-section h2 {
  color: var(--color-white);
  margin-bottom: var(--space-md);
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.cta-section p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.125rem;
  max-width: 600px;
  margin: 0 auto var(--space-2xl);
}

.cta-buttons {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* --- Marquee --- */
.marquee {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--space-md) 0;
  overflow: hidden;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.marquee-track {
  display: flex;
  gap: var(--space-3xl);
  animation: scroll 40s linear infinite;
  white-space: nowrap;
}

.marquee-item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-md);
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 0.9375rem;
  letter-spacing: 0.05em;
  color: rgba(255, 255, 255, 0.8);
}

.marquee-item .dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background-color: var(--color-accent);
  flex-shrink: 0;
}

@keyframes scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* --- Footer --- */
.footer {
  background-color: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.75);
  padding: var(--space-4xl) 0 var(--space-xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-3xl);
}

.footer-brand .logo-name {
  color: var(--color-white);
}

.footer-brand .logo-tagline {
  color: rgba(255, 255, 255, 0.6);
}

.footer-description {
  font-size: 0.9375rem;
  margin: var(--space-md) 0 var(--space-lg);
  color: rgba(255, 255, 255, 0.7);
  max-width: 360px;
}

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

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background-color: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.footer-social a:hover {
  background-color: var(--color-accent);
  transform: translateY(-2px);
}

.footer-social svg {
  width: 18px;
  height: 18px;
  color: var(--color-white);
}

.footer h4 {
  color: var(--color-white);
  font-size: 0.9375rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-lg);
  font-family: var(--font-heading);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-links a {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition);
}

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

.footer-contact-item {
  display: flex;
  gap: var(--space-sm);
  align-items: flex-start;
  margin-bottom: var(--space-md);
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.7);
}

.footer-contact-item svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin-top: 3px;
  color: var(--color-accent);
}

.footer-contact-item a {
  color: rgba(255, 255, 255, 0.7);
}

.footer-contact-item a:hover {
  color: var(--color-accent);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-xl);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.5);
}

.footer-legal {
  display: flex;
  gap: var(--space-lg);
}

.footer-legal a {
  color: rgba(255, 255, 255, 0.5);
}

.footer-legal a:hover {
  color: var(--color-accent);
}

@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
  }
}

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

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* --- Floating WhatsApp Button --- */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 60px;
  height: 60px;
  background-color: var(--color-success);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(22, 163, 74, 0.4);
  z-index: 99;
  transition: all var(--transition);
  animation: pulse-shadow 2s infinite;
}

.whatsapp-float:hover {
  transform: scale(1.1);
}

.whatsapp-float svg {
  width: 32px;
  height: 32px;
  color: var(--color-white);
}

@keyframes pulse-shadow {
  0%, 100% { box-shadow: 0 8px 24px rgba(22, 163, 74, 0.4); }
  50% { box-shadow: 0 8px 24px rgba(22, 163, 74, 0.7); }
}

/* --- Page Header (for inner pages) --- */
.page-header {
  background: transparent;
  color: var(--color-white);
  padding: var(--space-3xl) 0;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(ellipse at top right, rgba(232, 119, 34, 0.15) 0%, transparent 50%);
  pointer-events: none;
}

.page-header-inner {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: var(--space-md);
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition);
}

.breadcrumb a:hover {
  color: var(--color-accent);
}

.breadcrumb-separator {
  opacity: 0.5;
}

.page-header h1 {
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.page-header p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.125rem;
  max-width: 640px;
}

/* --- Forms --- */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.form-label.required::after {
  content: ' *';
  color: var(--color-error);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-text);
  background-color: var(--color-white);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(232, 119, 34, 0.15);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

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

/* --- Animations on scroll --- */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 600ms ease-out, transform 600ms ease-out;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Utility classes --- */
.hidden { display: none !important; }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

/* --- Print --- */
@media print {
  .header, .footer, .whatsapp-float, .top-bar { display: none; }
}


/* ========================================
   Hero image injection — Images IA
   ======================================== */

/* Assure que le contenu est au-dessus de l'image de fond injectée */
.corridor-hero .container,
.sector-hero .container,
.coverage-hero .container,
.page-header .container {
  position: relative;
  z-index: 2;
}

/* Overlay dégradé renforcé quand une image est présente */
.corridor-hero[style*="overflow:hidden"]::before,
.sector-hero[style*="overflow:hidden"]::before,
.coverage-hero[style*="overflow:hidden"]::before,
.page-header[style*="overflow:hidden"]::before {
  background-image:
    linear-gradient(135deg, rgba(10, 27, 74, 0.92) 0%, rgba(15, 36, 84, 0.88) 100%),
    radial-gradient(ellipse at top right, rgba(232, 119, 34, 0.2) 0%, transparent 50%);
}

/* Image de fond : assure le bon affichage */
.corridor-hero > div[style*="position:absolute"] img,
.sector-hero > div[style*="position:absolute"] img,
.coverage-hero > div[style*="position:absolute"] img,
.page-header > div[style*="position:absolute"] img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  /* Pas de blur : l'overlay dégradé au-dessus gère la lisibilité */
  transition: transform 8s ease;
}

/* Léger zoom au chargement pour effet cinématographique */
.corridor-hero > div[style*="position:absolute"] img,
.coverage-hero > div[style*="position:absolute"] img {
  animation: slow-zoom 12s ease-out forwards;
}

@keyframes slow-zoom {
  from { transform: scale(1.08); }
  to   { transform: scale(1.0); }
}

/* Placeholder fallback si l'image n'est pas encore disponible */
.img-placeholder {
  background: linear-gradient(
    135deg,
    var(--color-primary-light) 0%,
    var(--color-primary) 50%,
    var(--color-primary-dark) 100%
  );
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.img-placeholder svg {
  width: 80px;
  height: 80px;
  color: rgba(255, 255, 255, 0.15);
}

/* ========================================
   CORRECTIF IMAGES VISIBLES v2
   Assure la visibilité des images hero injectées
   ======================================== */

/* Overlay dégradé universel pour les sections hero avec images */
.corridor-hero,
.sector-hero,
.coverage-hero {
  isolation: isolate; /* crée un nouveau contexte de stacking */
}

/* S'assurer que TOUS les containers des sections hero sont au-dessus */
.corridor-hero .container,
.sector-hero .container,
.coverage-hero .container,
.page-header .container,
.hero .container,
.service-hero .container {
  position: relative;
  z-index: 3; /* Au-dessus de l'image (z:0) ET de l'overlay (z:1) */
}

/* L'image de fond est à z-index 0 → visible mais derrière l'overlay */
/* L'overlay est à z-index 1 → semi-transparent, assombrit l'image */
/* Le texte/contenu est à z-index 3 → au-dessus des deux */

/* ================================================================
   NEUTRALISATION COMPLÈTE des fonds bleus sur les sections hero
   L'image de fond + son overlay div remplacent tout
   ================================================================ */
.hero::before,
.service-hero::before,
.sector-hero::before,
.corridor-hero::before,
.coverage-hero::before,
.page-header::before,
.article-hero::before,
.cta-section::before {
  display: none !important;
  content: none !important;
}

/* Les sections hero ont maintenant un background transparent */
/* L'image (.img-hero-wrap) fournit le fond visuel */
/* L'overlay (.img-hero-overlay) assure la lisibilité du texte */
.hero,
.service-hero,
.sector-hero,
.corridor-hero,
.coverage-hero,
.page-header,
.article-hero {
  background: #0f2454 !important; /* fallback si image absente */
  position: relative;
  overflow: hidden;
}

/* ================================================================
   STAF-SG v4 — Corrections & améliorations
   ================================================================ */

/* Compteurs hero */
.hero-stats {
  display: flex;
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
  flex-wrap: wrap;
}
.hero-stat {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  position: relative;
}
.hero-stat-value {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--color-accent);
  line-height: 1;
  min-width: 60px;
  display: inline-block;
}
.hero-stat-suffix {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 2rem;
  color: var(--color-accent);
  line-height: 1;
  margin-left: 2px;
}
.hero-stat-label {
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.75);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 4px;
  font-weight: 600;
}

/* Fade-in animations */
.fade-in { opacity: 0; transform: translateY(20px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* Header scrolled */
.header.scrolled {
  box-shadow: 0 4px 20px rgba(0,0,0,0.12);
  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(10px);
}

/* WhatsApp flottant amélioré */
.whatsapp-float {
  position: fixed;
  bottom: 28px; right: 28px;
  width: 60px; height: 60px;
  background: #25D366;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: white;
  box-shadow: 0 4px 20px rgba(37,211,102,0.45);
  z-index: 9999;
  transition: all 0.3s ease;
  text-decoration: none;
  animation: wa-pulse 3s infinite;
}
.whatsapp-float svg { width: 30px; height: 30px; }
.whatsapp-float:hover {
  transform: scale(1.12);
  box-shadow: 0 6px 28px rgba(37,211,102,0.6);
}
.whatsapp-float::before {
  content: attr(data-tooltip);
  position: absolute;
  right: 70px;
  background: #333;
  color: white;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 0.8125rem;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
}
.whatsapp-float:hover::before { opacity: 1; }

@keyframes wa-pulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(37,211,102,0.45); }
  50% { box-shadow: 0 4px 32px rgba(37,211,102,0.8), 0 0 0 8px rgba(37,211,102,0.15); }
}

/* Schema.org invisible */
[itemscope] { display: inherit; }

/* Navigation dropdown améliorée */
.nav-menu li { position: relative; }
.dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: 0 12px 40px rgba(0,0,0,0.12);
  min-width: 220px;
  padding: var(--space-sm);
  opacity: 0;
  visibility: hidden;
  transform: translateX(-50%) translateY(8px);
  transition: all 0.2s ease;
  z-index: 1000;
}
.nav-menu li.open .dropdown,
.nav-menu li:hover .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.dropdown a {
  display: block;
  padding: 10px var(--space-md);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-size: 0.9375rem;
  transition: all 0.15s;
  white-space: nowrap;
}
.dropdown a:hover {
  background: rgba(232,119,34,0.08);
  color: var(--color-accent);
  padding-left: calc(var(--space-md) + 4px);
}

/* Bilingue — masquage/affichage */
[data-lang="en"] { display: none; }
[data-lang="fr"] { display: inline; }
body.lang-en [data-lang="fr"] { display: none !important; }
body.lang-en [data-lang="en"] { display: inline !important; }
/* Pour les blocs */
body.lang-en div[data-lang="fr"],
body.lang-en p[data-lang="fr"],
body.lang-en h1[data-lang="fr"],
body.lang-en h2[data-lang="fr"],
body.lang-en h3[data-lang="fr"],
body.lang-en ul[data-lang="fr"],
body.lang-en section[data-lang="fr"] { display: none !important; }
body.lang-en div[data-lang="en"],
body.lang-en p[data-lang="en"],
body.lang-en h1[data-lang="en"],
body.lang-en h2[data-lang="en"],
body.lang-en h3[data-lang="en"],
body.lang-en ul[data-lang="en"],
body.lang-en section[data-lang="en"] { display: block !important; }