/* ==========================================================================
   Yahya Express - Feuille de style principale
   Couleurs : Rouge #D60000 | Blanc #FFFFFF | Noir #111111
   Support Multilingue : Francais (LTR) & Arabe (RTL)
   ========================================================================== */

:root {
  --color-primary: #D60000;
  --color-primary-hover: #B30000;
  --color-dark: #111111;
  --color-dark-alt: #1F1F1F;
  --color-white: #FFFFFF;
  --color-gray-light: #F8F9FA;
  --color-gray-border: #E5E7EB;
  --color-gray-text: #4B5563;
  --color-gray-muted: #6B7280;

  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-family-arabic: -apple-system, BlinkMacSystemFont, "Segoe UI", "Tahoma", "Cairo", Arial, sans-serif;
  
  --container-width: 1200px;
  --header-height: 76px;
  --border-radius: 6px;
  --transition-speed: 0.25s;
}

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

html {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.5;
  color: var(--color-dark);
  background-color: var(--color-white);
  scroll-behavior: smooth;
}

/* Support RTL (Arabe) */
html[dir="rtl"] {
  font-family: var(--font-family-arabic);
  direction: rtl;
  text-align: right;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Typographie */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-dark);
  font-weight: 700;
  line-height: 1.25;
}

p {
  color: var(--color-gray-text);
  line-height: 1.6;
}

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

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

/* Structure */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

.section {
  padding: 64px 0;
}

.section-alt {
  background-color: var(--color-gray-light);
}

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

.section-dark h1,
.section-dark h2,
.section-dark h3,
.section-dark h4 {
  color: var(--color-white);
}

.section-dark p {
  color: #D1D5DB;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 48px auto;
}

.section-title {
  font-size: 2rem;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

html[dir="ltr"] .section-title {
  text-transform: uppercase;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--color-gray-text);
}

/* Boutons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--border-radius);
  cursor: pointer;
  border: 1px solid transparent;
  transition: background-color var(--transition-speed) ease, border-color var(--transition-speed) ease, color var(--transition-speed) ease;
  text-align: center;
}

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

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

.btn-outline {
  background-color: transparent;
  color: var(--color-dark);
  border-color: var(--color-dark);
}

.btn-outline:hover {
  background-color: var(--color-dark);
  color: var(--color-white);
}

.btn-outline-white {
  background-color: transparent;
  color: var(--color-white);
  border-color: var(--color-white);
}

.btn-outline-white:hover {
  background-color: var(--color-white);
  color: var(--color-dark);
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* Bouton de Changement de Langue */
.lang-toggle-btn {
  background-color: var(--color-gray-light);
  color: var(--color-dark);
  border: 1px solid var(--color-gray-border);
  padding: 8px 14px;
  border-radius: var(--border-radius);
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-speed) ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
  white-space: nowrap;
}

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

/* En-tete Fixe (Sticky Header) */
.header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-gray-border);
  z-index: 1000;
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  gap: 16px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  min-width: 0;
}

.brand-logo img {
  height: 44px;
  width: 44px;
  object-fit: contain;
  flex-shrink: 0;
}

.brand-name {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--color-dark);
  text-transform: uppercase;
  white-space: nowrap;
}

.brand-name span {
  color: var(--color-primary);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 28px;
  align-items: center;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-dark);
  transition: color var(--transition-speed) ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary);
}

.mobile-cta-item {
  display: none;
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.phone-link {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-primary);
  white-space: nowrap;
}

.mobile-menu-btn {
  display: none;
  background-color: var(--color-gray-light);
  border: 1px solid var(--color-gray-border);
  border-radius: var(--border-radius);
  cursor: pointer;
  padding: 6px;
  width: 40px;
  height: 40px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  flex-shrink: 0;
  transition: background-color var(--transition-speed) ease, border-color var(--transition-speed) ease;
}

.mobile-menu-btn:hover {
  background-color: #E5E7EB;
}

.mobile-menu-btn span {
  display: block;
  width: 20px;
  height: 2px;
  background-color: var(--color-dark);
  margin: 2.5px 0;
  border-radius: 2px;
  transition: transform var(--transition-speed) ease, opacity var(--transition-speed) ease, background-color var(--transition-speed) ease;
}

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

.mobile-menu-btn.active span:nth-child(2) {
  opacity: 0;
}

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

/* Hero Section */
.hero {
  padding: 60px 0;
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-gray-border);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.hero-tag {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-primary);
  letter-spacing: 1px;
  margin-bottom: 12px;
}

.hero-title {
  font-size: 2.75rem;
  line-height: 1.15;
  margin-bottom: 16px;
  letter-spacing: -1px;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--color-gray-text);
  margin-bottom: 28px;
  line-height: 1.6;
}

.hero-image-wrapper {
  position: relative;
  border: 1px solid var(--color-gray-border);
  border-radius: var(--border-radius);
  overflow: hidden;
  background-color: var(--color-dark);
}

.hero-image-wrapper img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  display: block;
}

/* Points Forts (Key Features) */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  padding: 32px 24px;
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-border);
  border-radius: var(--border-radius);
  border-top: 4px solid var(--color-primary);
}

.feature-title {
  font-size: 1.25rem;
  margin-bottom: 8px;
  text-transform: uppercase;
}

.feature-subtitle {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.feature-text {
  font-size: 0.9rem;
  color: var(--color-gray-text);
}

/* Presentation de la marque */
.brand-identity-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.brand-identity-images {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.brand-identity-images img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--border-radius);
  border: 1px solid var(--color-gray-border);
}

/* Services */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.service-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-border);
  border-radius: var(--border-radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.service-card-image {
  height: 220px;
  width: 100%;
  object-fit: cover;
}

.service-card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.service-icon-box {
  width: 44px;
  height: 44px;
  background-color: rgba(214, 0, 0, 0.08);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--border-radius);
  margin-bottom: 16px;
}

.service-card-title {
  font-size: 1.25rem;
  margin-bottom: 8px;
  text-transform: uppercase;
}

.service-card-desc {
  font-size: 0.95rem;
  color: var(--color-gray-text);
  margin-bottom: 20px;
  flex-grow: 1;
}

/* Galerie */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.gallery-card {
  border: 1px solid var(--color-gray-border);
  border-radius: var(--border-radius);
  overflow: hidden;
  background-color: var(--color-white);
}

.gallery-card img,
.gallery-card video {
  width: 100%;
  height: 260px;
  object-fit: cover;
  display: block;
}

.gallery-card-info {
  padding: 12px 16px;
  border-top: 1px solid var(--color-gray-border);
}

.gallery-card-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-dark);
}

.gallery-card-desc {
  font-size: 0.85rem;
  color: var(--color-gray-muted);
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 40px;
}

.contact-info-panel {
  background-color: var(--color-dark);
  color: var(--color-white);
  padding: 36px;
  border-radius: var(--border-radius);
}

.contact-info-panel h3 {
  color: var(--color-white);
  margin-bottom: 20px;
  font-size: 1.4rem;
}

.contact-info-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 32px;
}

.contact-info-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.contact-info-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  color: #9CA3AF;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.contact-info-value {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-white);
}

.contact-form-panel {
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-border);
  border-radius: var(--border-radius);
  padding: 36px;
}

.form-group {
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-dark);
}

.form-control {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--color-gray-border);
  border-radius: var(--border-radius);
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--color-dark);
  background-color: var(--color-white);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
}

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

/* Call to Action Banner */
.cta-banner {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: 48px;
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.cta-banner h2 {
  color: var(--color-white);
  font-size: 1.75rem;
  margin-bottom: 8px;
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1rem;
}

/* Bouton Flottant (Floating Call Button) */
.floating-call-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: 14px 20px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
  z-index: 999;
  transition: background-color var(--transition-speed) ease, transform var(--transition-speed) ease;
}

html[dir="rtl"] .floating-call-btn {
  right: auto;
  left: 24px;
}

.floating-call-btn:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-2px);
  color: var(--color-white);
}

/* Pied de page (Footer) */
.footer {
  background-color: var(--color-dark);
  color: var(--color-white);
  padding: 48px 0 24px 0;
  margin-top: auto;
  border-top: 3px solid var(--color-primary);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand p {
  color: #9CA3AF;
  font-size: 0.9rem;
  margin-top: 12px;
  max-width: 320px;
}

.footer-title {
  font-size: 1rem;
  color: var(--color-white);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: #9CA3AF;
  font-size: 0.9rem;
}

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

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid #2B2B2B;
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: #6B7280;
}

/* Ajustements RTL Spécifiques */
html[dir="rtl"] ul {
  padding-right: 20px;
  padding-left: 0;
}

/* Animations CSS pures (Fade In) */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.6s ease forwards;
}

/* Responsive (Mobile First & Breakpoints) */
@media (max-width: 992px) {
  .nav-links {
    gap: 16px;
  }

  .nav-cta .phone-link {
    display: none;
  }
}

@media (max-width: 900px) {
  .hero-grid,
  .brand-identity-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .features-grid,
  .services-grid {
    grid-template-columns: 1fr;
  }

  .cta-banner {
    flex-direction: column;
    text-align: center;
    padding: 32px 24px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .hero-title {
    font-size: 2.1rem;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }

  .container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .navbar {
    gap: 8px;
  }

  .brand-logo {
    gap: 8px;
    flex-shrink: 0;
    min-width: 0;
  }

  .brand-logo img {
    height: 38px;
    width: 38px;
  }

  .brand-name {
    font-size: 1.05rem;
    letter-spacing: -0.3px;
    white-space: nowrap;
  }

  .nav-links,
  .nav-cta .phone-link,
  .nav-cta .btn {
    display: none;
  }

  .nav-cta {
    gap: 8px;
    flex-shrink: 0;
  }

  .lang-toggle-btn {
    padding: 6px 10px;
    font-size: 0.8rem;
    min-height: 36px;
    border-radius: 6px;
  }

  .mobile-menu-btn {
    display: flex;
    width: 36px;
    height: 36px;
  }

  .nav-links.mobile-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background-color: var(--color-white);
    padding: 16px 20px 24px 20px;
    border-bottom: 2px solid var(--color-primary);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.12);
    gap: 4px;
    z-index: 1001;
  }

  .nav-links.mobile-open li {
    width: 100%;
  }

  .nav-links.mobile-open .nav-link {
    display: block;
    padding: 10px 0;
    font-size: 1rem;
    font-weight: 700;
    border-bottom: 1px solid var(--color-gray-border);
  }

  .nav-links.mobile-open .mobile-cta-item {
    display: block;
    margin-top: 10px;
  }

  .nav-links.mobile-open .mobile-cta-item .btn {
    display: flex;
    width: 100%;
    justify-content: center;
  }

  html[dir="rtl"] .nav-links.mobile-open {
    text-align: right;
  }

  html[dir="rtl"] .nav-links.mobile-open .nav-link {
    text-align: right;
  }

  .brand-identity-images {
    grid-template-columns: 1fr;
  }

  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .gallery-card img,
  .gallery-card video {
    height: 240px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

  .floating-call-btn {
    bottom: 16px;
    right: 16px;
    padding: 10px 16px;
    font-size: 0.88rem;
  }

  html[dir="rtl"] .floating-call-btn {
    left: 16px;
    right: auto;
  }
}

@media (max-width: 480px) {
  :root {
    --header-height: 60px;
  }

  .container {
    padding-left: 12px;
    padding-right: 12px;
  }

  .brand-logo {
    gap: 6px;
  }

  .brand-logo img {
    height: 32px;
    width: 32px;
  }

  .brand-name {
    font-size: 0.92rem;
  }

  .lang-toggle-btn {
    padding: 5px 8px;
    font-size: 0.75rem;
    min-height: 32px;
  }

  .mobile-menu-btn {
    width: 34px;
    height: 34px;
    padding: 5px;
  }

  .hero {
    padding: 36px 0;
  }

  .hero-title {
    font-size: 1.7rem;
  }

  .hero-subtitle {
    font-size: 0.95rem;
  }

  .btn-group {
    flex-direction: column;
    width: 100%;
  }

  .btn-group .btn {
    width: 100%;
    text-align: center;
  }

  .section {
    padding: 44px 0;
  }

  .section-title {
    font-size: 1.6rem;
  }

  .contact-info-panel {
    padding: 24px 18px;
  }
}

@media (max-width: 360px) {
  .brand-name span {
    display: none;
  }
}