/* -------------------------------------------------------------------------- */
/* OKIELI BUSINESS TRANSIT (OBT) - DESIGN SYSTEM & BOOTSTRAP OVERRIDES        */
/* Transit, Douanes, Transport Multimodal, Manutention & Entreposage Congo    */
/* -------------------------------------------------------------------------- */

@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@500;600;700;800&family=Barlow:wght@400;500;600;700&display=swap');

:root {
  --obt-navy: #1a2639;
  --obt-navy-dark: #0d1525;
  --obt-navy-light: #24344d;
  --obt-orange: #e65c00;
  --obt-orange-hover: #cc5200;
  --obt-orange-light: #ff7a1a;
  --obt-orange-glow: rgba(230, 92, 0, 0.25);
  --obt-orange-subtle: rgba(230, 92, 0, 0.08);
  --obt-bg-light: #f8fafc;
  --obt-text-muted: #64748b;
  --obt-border: #e2e8f0;
  --obt-border-dark: rgba(255, 255, 255, 0.12);
  --obt-green-whatsapp: #25d366;
  --bs-font-sans-serif: 'Barlow', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--bs-font-sans-serif);
  color: #1e293b;
  background-color: #ffffff;
  overflow-x: hidden;
  line-height: 1.6;
}

h1, h2, h3, h4, h5, h6, .font-display {
  font-family: 'Barlow Condensed', sans-serif;
  letter-spacing: -0.01em;
}

/* --- Typographie & Utilitaires --- */
.eyebrow-text {
  font-family: 'Barlow Condensed', sans-serif;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--obt-orange);
  font-size: 0.875rem;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 700;
  line-height: 1.18;
  color: var(--obt-navy);
}

@media (min-width: 768px) {
  .section-title {
    font-size: 2.85rem;
  }
}

.text-obt-orange {
  color: var(--obt-orange) !important;
}

.bg-obt-navy {
  background-color: var(--obt-navy) !important;
}

.bg-obt-navy-dark {
  background-color: var(--obt-navy-dark) !important;
}

.bg-obt-light {
  background-color: var(--obt-bg-light) !important;
}

/* --- Boutons --- */
.btn-obt-primary {
  background-color: var(--obt-orange);
  color: #ffffff !important;
  font-weight: 600;
  border: none;
  padding: 0.85rem 1.85rem;
  border-radius: 0.35rem;
  transition: all 0.25s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: 0 4px 14px var(--obt-orange-glow);
}

.btn-obt-primary:hover, .btn-obt-primary:focus {
  background-color: var(--obt-orange-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(230, 92, 0, 0.35);
}

.btn-obt-outline {
  border: 1px solid rgba(255, 255, 255, 0.45);
  color: #ffffff !important;
  font-weight: 600;
  padding: 0.85rem 1.85rem;
  border-radius: 0.35rem;
  transition: all 0.25s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-obt-outline:hover, .btn-obt-outline:focus {
  border-color: #ffffff;
  background-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
}

.btn-obt-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 0.25rem;
}

/* --- Header & Navbar --- */
.obt-navbar {
  background-color: rgba(13, 21, 37, 0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 0.65rem;
  padding-bottom: 0.65rem;
  transition: all 0.3s ease;
}

.obt-logo-badge {
  background-color: #ffffff;
  border-bottom: 3px solid var(--obt-orange);
  padding: 0.35rem 0.75rem;
  display: inline-flex;
  align-items: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  transition: transform 0.2s ease;
  border-radius: 0.2rem;
}

.obt-logo-badge:hover {
  transform: translateY(-1px);
}

.nav-link.obt-nav-link {
  color: rgba(255, 255, 255, 0.82);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.5rem 0.85rem !important;
  position: relative;
  transition: color 0.2s ease;
}

.nav-link.obt-nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0.85rem;
  right: 0.85rem;
  height: 2px;
  background-color: var(--obt-orange);
  width: 0;
  transition: width 0.25s ease;
}

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

.nav-link.obt-nav-link:hover::after, .nav-link.obt-nav-link.active::after {
  width: calc(100% - 1.7rem);
}

/* --- Hero Section --- */
.hero-section {
  position: relative;
  background-color: var(--obt-navy-dark);
  min-height: 86vh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
}

.hero-bg-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 65% center;
  z-index: 1;
  filter: brightness(0.92);
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    95deg,
    rgba(13, 21, 37, 0.97) 0%,
    rgba(13, 21, 37, 0.85) 52%,
    rgba(13, 21, 37, 0.45) 100%
  );
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  padding-top: 5rem;
  padding-bottom: 3.5rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  background-color: rgba(230, 92, 0, 0.15);
  border: 1px solid rgba(230, 92, 0, 0.4);
  color: #ff9e4d;
  font-size: 0.825rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.4rem 0.9rem;
  border-radius: 9999px;
  backdrop-filter: blur(6px);
}

/* --- Barres de Chiffres Clés (Stats Bar) --- */
.hero-stats-row {
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.hero-stat-item {
  display: flex;
  flex-direction: column;
}

.hero-stat-number {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 2.35rem;
  font-weight: 700;
  color: #ffffff;
  line-height: 1;
}

.hero-stat-number .plus {
  color: var(--obt-orange);
}

.hero-stat-label {
  font-size: 0.825rem;
  color: rgba(255, 255, 255, 0.65);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 0.35rem;
}

/* --- Modes Bar --- */
.hero-modes-bar {
  position: relative;
  z-index: 3;
  background-color: rgba(13, 21, 37, 0.88);
  backdrop-filter: blur(10px);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.mode-item {
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  border-right: 1px solid rgba(255, 255, 255, 0.1);
  transition: background-color 0.2s ease;
}

.mode-item:hover {
  background-color: rgba(255, 255, 255, 0.04);
}

.mode-item:last-child {
  border-right: none;
}

.mode-icon {
  font-size: 1.75rem;
  color: var(--obt-orange);
}

/* --- Section Simulateur de Cotation (Interactive Simulator) --- */
.simulator-card {
  background-color: #ffffff;
  border: 1px solid var(--obt-border);
  border-radius: 0.5rem;
  box-shadow: 0 10px 30px rgba(13, 21, 37, 0.06);
  padding: 2.25rem;
  position: relative;
  overflow: hidden;
}

.simulator-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--obt-orange) 0%, #ff8c33 100%);
}

.sim-step-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--obt-navy);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.sim-step-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background-color: var(--obt-navy-dark);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 700;
}

.sim-mode-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

@media (min-width: 576px) {
  .sim-mode-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.sim-mode-btn {
  border: 2px solid var(--obt-border);
  background-color: #ffffff;
  border-radius: 0.375rem;
  padding: 0.9rem 0.5rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
}

.sim-mode-btn i {
  font-size: 1.5rem;
  color: var(--obt-navy);
  transition: color 0.2s ease;
}

.sim-mode-btn span {
  font-size: 0.85rem;
  font-weight: 600;
  color: #334155;
}

.sim-mode-btn:hover {
  border-color: var(--obt-orange);
  background-color: var(--obt-orange-subtle);
}

.sim-mode-btn.active {
  border-color: var(--obt-orange);
  background-color: var(--obt-orange-subtle);
  box-shadow: 0 0 0 1px var(--obt-orange);
}

.sim-mode-btn.active i, .sim-mode-btn.active span {
  color: var(--obt-orange);
}

.sim-result-box {
  background: linear-gradient(135deg, var(--obt-navy-dark) 0%, var(--obt-navy) 100%);
  border-radius: 0.5rem;
  padding: 1.75rem;
  color: #ffffff;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.sim-delay-badge {
  background-color: rgba(230, 92, 0, 0.2);
  border: 1px solid rgba(230, 92, 0, 0.5);
  color: #ff9e4d;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 0.35rem 0.75rem;
  border-radius: 9999px;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.sim-docs-list {
  list-style: none;
  padding: 0;
  margin: 1rem 0;
}

.sim-docs-list li {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 0.45rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.sim-docs-list li i {
  color: #22c55e;
  font-size: 0.95rem;
}

/* --- Cartes Services --- */
.card-service {
  border: 1px solid var(--obt-border);
  border-radius: 0.5rem;
  overflow: hidden;
  background-color: #ffffff;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.card-service:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 36px rgba(26, 38, 57, 0.12);
  border-color: rgba(230, 92, 0, 0.5);
}

.card-service-img-wrapper {
  position: relative;
  height: 230px;
  overflow: hidden;
}

.card-service-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.card-service:hover .card-service-img {
  transform: scale(1.06);
}

.card-service-badge {
  position: absolute;
  top: 0;
  left: 0;
  background-color: var(--obt-navy-dark);
  color: #ffffff;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  padding: 0.4rem 0.85rem;
  border-bottom-right-radius: 0.35rem;
}

.card-service-body {
  padding: 1.75rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.service-list {
  list-style: none;
  padding: 0;
  margin: 1.25rem 0 0 0;
}

.service-list li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.65rem;
  font-size: 0.925rem;
  color: #475569;
}

.service-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6rem;
  width: 12px;
  height: 2px;
  background-color: var(--obt-orange);
}

/* --- Section Atouts --- */
.atout-item {
  border-top: 2px solid var(--obt-border);
  padding-top: 1.75rem;
  transition: border-color 0.25s ease;
}

.atout-item:hover {
  border-color: var(--obt-orange);
}

.atout-num {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  color: var(--obt-orange);
  font-size: 1.25rem;
  letter-spacing: 0.15em;
}

/* --- Section Partenaires & Compagnies Maritimes --- */
.partners-bar {
  background-color: #ffffff;
  border-top: 1px solid var(--obt-border);
  border-bottom: 1px solid var(--obt-border);
  padding: 1.75rem 0;
}

.partner-item {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1rem;
  opacity: 0.72;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.partner-item:hover {
  opacity: 1;
  transform: translateY(-2px);
}

.partner-badge {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.08em;
  color: var(--obt-navy);
  border: 1px solid var(--obt-border);
  padding: 0.5rem 1.25rem;
  border-radius: 0.25rem;
  background-color: #f8fafc;
}

/* --- Section Agences & Réseau Congo --- */
.agency-card {
  background-color: var(--obt-navy-dark);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 0.375rem;
  padding: 1.5rem;
  transition: all 0.25s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.agency-card:hover {
  background-color: var(--obt-navy-light);
  border-color: var(--obt-orange);
  transform: translateY(-3px);
}

.agency-role-badge {
  font-size: 0.75rem;
  color: var(--obt-orange);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* --- Section FAQ Accordion --- */
.obt-accordion .accordion-item {
  border: 1px solid var(--obt-border);
  border-radius: 0.5rem !important;
  margin-bottom: 1rem;
  overflow: hidden;
  background-color: #ffffff;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.02);
}

.obt-accordion .accordion-button {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--obt-navy);
  padding: 1.25rem 1.5rem;
  background-color: #ffffff;
  box-shadow: none;
  transition: all 0.2s ease;
}

.obt-accordion .accordion-button:not(.collapsed) {
  color: var(--obt-orange);
  background-color: var(--obt-orange-subtle);
}

.obt-accordion .accordion-button:focus {
  border-color: var(--obt-orange);
  box-shadow: 0 0 0 0.2rem var(--obt-orange-glow);
}

.obt-accordion .accordion-body {
  padding: 1.25rem 1.5rem 1.5rem;
  font-size: 0.95rem;
  color: #475569;
  line-height: 1.65;
  background-color: #ffffff;
}

/* --- Actualités --- */
.card-news {
  border: 1px solid var(--obt-border);
  border-radius: 0.5rem;
  overflow: hidden;
  background: #ffffff;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.03);
}

.card-news-img {
  width: 100%;
  height: 100%;
  min-height: 280px;
  object-fit: cover;
}

/* --- Formulaire Contact --- */
.contact-card {
  background: #ffffff;
  border: 1px solid var(--obt-border);
  border-radius: 0.5rem;
  padding: 2.25rem;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.04);
}

.form-control-obt {
  border: 1px solid var(--obt-border);
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
  border-radius: 0.35rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-control-obt:focus {
  border-color: var(--obt-orange);
  box-shadow: 0 0 0 0.25rem var(--obt-orange-glow);
  outline: none;
}

/* --- Widget Flottant WhatsApp & Contact Direct --- */
.floating-actions {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.75rem;
  z-index: 1050;
}

.whatsapp-float-btn {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  background-color: var(--obt-green-whatsapp);
  color: #ffffff !important;
  padding: 0.75rem 1.15rem;
  border-radius: 9999px;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  transition: all 0.25s ease;
  position: relative;
}

.whatsapp-float-btn:hover {
  background-color: #20bd5a;
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 12px 30px rgba(37, 211, 102, 0.5);
}

.whatsapp-icon-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
}

.whatsapp-pulse {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: 9999px;
  border: 2px solid var(--obt-green-whatsapp);
  animation: pulse-ring 2s cubic-bezier(0.215, 0.61, 0.355, 1) infinite;
  pointer-events: none;
}

@keyframes pulse-ring {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.15); opacity: 0; }
  100% { transform: scale(1.15); opacity: 0; }
}

.back-to-top-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--obt-navy-dark);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
  cursor: pointer;
  transition: all 0.25s ease;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
}

.back-to-top-btn.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top-btn:hover {
  background-color: var(--obt-orange);
  transform: translateY(-3px);
}

/* --- Toast Notification --- */
.toast-container-obt {
  position: fixed;
  bottom: 1.5rem;
  left: 1.5rem;
  z-index: 1100;
}

/* --- Partenaires & Logos réels --- */
.partners-bar {
  background: #ffffff;
  border-top: 1px solid var(--obt-border);
  border-bottom: 1px solid var(--obt-border);
  padding: 1.25rem 0;
}

.partner-logo-box {
  display: flex;
  align-items: center;
  justify-content: center;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  padding: 0.5rem 1rem;
  height: 60px;
  min-width: 130px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
  transition: all 0.25s ease;
}

.partner-logo-box:hover {
  transform: translateY(-2px);
  border-color: var(--obt-orange);
  box-shadow: 0 6px 16px rgba(230, 92, 0, 0.12);
}

.partner-logo-img {
  max-height: 42px;
  max-width: 100%;
  object-fit: contain;
}

/* --- Équipe Dirigeante --- */
.team-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 1.75rem 1.25rem;
  text-align: center;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.team-card:hover {
  transform: translateY(-5px);
  border-color: var(--obt-orange);
  box-shadow: 0 12px 28px rgba(13, 21, 37, 0.08);
}

.team-avatar-wrapper {
  position: relative;
  width: 120px;
  height: 120px;
  margin: 0 auto 1.25rem;
}

.team-avatar-img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid #ffffff;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
  transition: transform 0.3s ease;
}

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

.team-badge-circle {
  position: absolute;
  bottom: 0;
  right: 6px;
  background: var(--obt-orange);
  color: #ffffff;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  border: 2px solid #ffffff;
}

.team-name {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--obt-navy);
  margin-bottom: 0.25rem;
}

.team-role {
  font-size: 0.875rem;
  color: var(--obt-orange);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

/* --- Footer --- */
.obt-footer {
  background-color: var(--obt-navy-dark);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.9rem;
}

.footer-link {
  color: rgba(255, 255, 255, 0.65);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-link:hover {
  color: var(--obt-orange);
}