* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #0b132b;
  color: #ffffff;
  line-height: 1.6;
}

/* Header & Nav */
.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 30px;
  background-color: #1c2541;
  border-bottom: 2px solid #3a506b;
  position: sticky;
  top: 0;
  z-index: 1000;
}

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

#globe-container {
  width: 55px;
  height: 55px;
}

.brand-name {
  font-size: 1.4rem;
  letter-spacing: 2px;
  color: #FFD700;
  font-weight: 800;
  text-shadow: 0 0 10px rgba(255, 215, 0, 0.2);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 15px;
}

.main-nav a {
  color: #e0e1dd;
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  white-space: nowrap;
  transition: color 0.3s;
}

.main-nav a:hover {
  color: #FFD700;
}

/* Sélecteur de Langue Déroulant */
.lang-dropdown {
  background: #0b132b;
  color: #FFD700;
  border: 1px solid #4ea8de;
  padding: 5px 10px;
  border-radius: 4px;
  font-weight: bold;
  cursor: pointer;
  outline: none;
  margin-left: 10px;
}

.lang-dropdown option {
  background: #1c2541;
  color: #fff;
}

/* Hero Section */
.hero {
  text-align: center;
  padding: 90px 20px;
  background: linear-gradient(180deg, #1c2541 0%, #0b132b 100%);
}

.hero h2 {
  font-size: 2.4rem;
  margin-bottom: 15px;
  color: #ffffff;
}

.hero p {
  font-size: 1.2rem;
  color: #a5a5a5;
  margin-bottom: 35px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 15px;
}

/* Sections */
.section {
  padding: 70px 30px;
  max-width: 1150px;
  margin: 0 auto;
}

.bg-darker {
  background-color: #080d1e;
  max-width: 100%;
}

.section-title {
  text-align: center;
  font-size: 1.9rem;
  color: #4ea8de;
  margin-bottom: 8px;
}

.section-subtitle {
  text-align: center;
  color: #a5a5a5;
  margin-bottom: 40px;
}

.subsection-title {
  color: #FFD700;
  margin-bottom: 20px;
  font-size: 1.2rem;
  border-bottom: 1px solid #3a506b;
  padding-bottom: 8px;
}

/* Cards Grid */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 25px;
}

.card {
  background-color: #1c2541;
  padding: 30px 25px;
  border-radius: 8px;
  border: 1px solid #3a506b;
  transition: transform 0.3s, border-color 0.3s;
}

.card:hover {
  transform: translateY(-5px);
  border-color: #4ea8de;
}

.card-icon {
  font-size: 2rem;
  margin-bottom: 12px;
}

.card h3, .card h4 {
  color: #5bc0be;
  margin-bottom: 12px;
}

.badge {
  display: inline-block;
  background-color: #FFD700;
  color: #0b132b;
  font-size: 0.75rem;
  font-weight: bold;
  padding: 3px 8px;
  border-radius: 4px;
  margin-bottom: 10px;
}

.btn-link {
  color: #4ea8de;
  text-decoration: none;
  font-weight: bold;
  font-size: 0.9rem;
  display: inline-block;
  margin-top: 10px;
}

.projects-catalog {
  margin-bottom: 50px;
  max-width: 1150px;
  margin-left: auto;
  margin-right: auto;
}

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

@media (max-width: 850px) {
  .site-header {
    flex-direction: column;
    gap: 15px;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

.contact-info-card {
  background-color: #1c2541;
  padding: 30px;
  border-radius: 8px;
  border: 1px solid #3a506b;
}

.contact-info-card h3 {
  color: #FFD700;
  margin-bottom: 20px;
}

.info-item {
  margin-bottom: 15px;
  font-size: 1rem;
}

.info-box {
  margin-top: 25px;
  padding: 15px;
  background-color: #0b132b;
  border-left: 3px solid #4ea8de;
  border-radius: 4px;
  font-size: 0.88rem;
  color: #a5a5a5;
}

/* Formulaires & Upload */
.form-group {
  margin-bottom: 15px;
}

.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 12px 15px;
  background-color: #1c2541;
  border: 1px solid #3a506b;
  border-radius: 5px;
  color: #ffffff;
  font-size: 0.95rem;
}

.file-upload-box {
  background-color: #131c38;
  padding: 15px;
  border: 2px dashed #4ea8de;
  border-radius: 6px;
  text-align: center;
}

.file-label {
  cursor: pointer;
  color: #4ea8de;
  font-weight: bold;
  display: block;
}

/* Boutons */
.btn {
  display: inline-block;
  padding: 13px 26px;
  border: none;
  border-radius: 5px;
  font-weight: bold;
  cursor: pointer;
  text-decoration: none;
  transition: 0.3s;
}

.btn-primary {
  background-color: #FFD700;
  color: #0b132b;
}

.btn-primary:hover {
  background-color: #e6c200;
}

.btn-secondary {
  background-color: #4ea8de;
  color: #0b132b;
  width: 100%;
}

.btn-outline {
  border: 2px solid #4ea8de;
  color: #4ea8de;
  background: transparent;
}

.btn-outline:hover {
  background-color: #4ea8de;
  color: #0b132b;
}

/* Footer */
.site-footer {
  text-align: center;
  padding: 25px;
  background-color: #050814;
  border-top: 1px solid #1c2541;
  color: #8d99ae;
  font-size: 0.9rem;
}

[dir="rtl"] body {
  font-family: 'Tahoma', sans-serif;
}