:root {
  --blue: #0b3b5c;
  --gold: #caa43f;
  --white: #fff;
  --muted: #6b7280;
}

/* BASE */
body {
  font-family: 'Montserrat', sans-serif;
  color: var(--blue);
  margin: 0;
  background: #fbfbfd;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 20px;
}

/* HEADER */
.site-header {
  background: linear-gradient(90deg, rgba(11, 59, 92, 0.95), rgba(13, 63, 98, 0.9));
  color: var(--white);
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px;
}

.logo {
  height: 48px;
}

.main-nav a {
  color: var(--white);
  margin: 0 10px;
  text-decoration: none;
}

.nav-list {
  list-style: none;
  display: flex;
  gap: 20px;
  padding: 0;
  margin: 0;
}

.has-submenu {
  position: relative;
}

/* Supprime le hover automatique */
.has-submenu:hover .submenu {
  display: none;
}

/* Activation par clic */
.has-submenu .submenu {
  display: none;
}

.has-submenu.active .submenu {
  display: block;
}

.submenu {
  position: absolute;
  background: var(--white);
  border: 1px solid #ccc;
  padding: 10px;
  top: 100%;
  left: 0;
  z-index: 100;
  min-width: 200px;
  border-radius: 6px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.submenu li {
  margin: 5px 0;
}

.submenu a {
  color: var(--blue);
  text-decoration: none;
  display: block;
  padding: 6px 10px;
  border-radius: 4px;
}

.submenu a:hover {
  background: #f0f4f8;
}

/* Chevron animé */
.chevron {
  display: inline-block;
  margin-left: 6px;
  transition: transform 0.3s ease;
}

.chevron.rotate {
  transform: rotate(180deg);
}

/* HERO */
.hero {
  background: linear-gradient(180deg, rgba(11, 59, 92, 1), rgba(13, 63, 98, 0.9));
  color: var(--white);
  padding: 60px 20px;
  border-radius: 8px;
  margin: 20px 0;
}

.hero h1 {
  font-size: 28px;
  margin: 0 0 10px;
}

/* BUTTONS */
.btn {
  display: inline-block;
  padding: 10px 16px;
  border-radius: 8px;
  background: var(--gold);
  color: var(--white);
  text-decoration: none;
  margin-right: 8px;
}

.btn.ghost {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

/* CONTENT & GRID */
.content {
  background: var(--white);
  padding: 20px;
  border-radius: 8px;
  margin: 20px 0;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.card {
  background: #fff;
  border-radius: 8px;
  padding: 20px;
  box-shadow: 0 4px 18px rgba(11, 59, 92, 0.06);
}

/* LANG */
.lang {
  color: var(--white);
  margin: 0 6px;
  text-decoration: none;
}

/* CAROUSEL */
.carousel-section {
  margin: 40px 0;
  position: relative;
  overflow: hidden;
}

.carousel-wrapper {
  position: relative;
  width: 100%;
  height: 400px;
}

.carousel-slide {
  position: absolute;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 1s ease-in-out;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
}

.carousel-slide.active {
  opacity: 1;
  position: relative;
}

.carousel-slide img,
.carousel-slide video {
  max-height: 300px;
  width: auto;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0,0,0,0.2);
}

.caption {
  margin-top: 15px;
  font-size: 18px;
  font-weight: 500;
  text-align: center;
}

.carousel-nav {
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--muted);
  cursor: pointer;
}

.dot.active {
  background: var(--gold);
}

.carousel-controls {
  position: absolute;
  top: 50%;
  width: 100%;
  display: flex;
  justify-content: space-between;
  transform: translateY(-50%);
  padding: 0 20px;
}

.carousel-controls button {
  background: rgba(11, 59, 92, 0.6);
  color: white;
  border: none;
  font-size: 24px;
  padding: 10px 16px;
  border-radius: 50%;
  cursor: pointer;
  transition: background 0.3s ease;
}

.carousel-controls button:hover {
  background: var(--gold);
}

/* CONTACT */
.contact-section {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  justify-content: space-between;
  align-items: flex-start;
}

.contact-details,
.contact-form {
  flex: 1 1 45%;
  min-width: 300px;
}

.contact-details h2,
.contact-form h3 {
  margin-top: 0;
  color: var(--blue);
}

.contact-details p {
  margin: 8px 0;
  line-height: 1.6;
}

.contact-details a {
  color: var(--blue);
  text-decoration: underline;
}

.contact-form form {
  display: flex;
  flex-direction: column;
  gap: 30px;
  padding-top: 10px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}

.full-width {
  grid-column: 1 / -1;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-weight: 600;
  font-size: 1rem;
  color: var(--blue);
}

.form-group input,
.form-group textarea,
.subject-input {
  padding: 14px 16px;
  border: 1px solid var(--muted);
  border-radius: 8px;
  font-size: 1rem;
  background: #fff;
  color: var(--blue);
  transition: border 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.subject-input:focus {
  border-color: var(--gold);
  outline: none;
}

.subject-input {
  font-size: 1.1rem;
  font-weight: 500;
}

.form-group textarea {
  min-height: 180px;
  resize: vertical;
}

.contact-form button.btn {
  align-self: flex-start;
  padding: 12px 24px;
  font-size: 1rem;
  font-weight: bold;
  background: var(--blue);
  border: none;
  color: var(--white);
  cursor: pointer;
  transition: background 0.3s ease;
}

.contact-form button.btn:hover {
  background: #094066;
}

.subtitle {
  font-size: 1.1rem;
  margin-bottom: 30px;
  color: var(--muted);
}

/* FOOTER */
.footer-logo {
  height: 36px;
}

.footer-subscribe form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-subscribe input[type="email"] {
  padding: 10px;
  border-radius: 6px;
  border: 1px solid var(--muted);
  font-size: 0.95rem;
}

.footer-subscribe button {
  padding: 10px;
  background: var(--gold);
  color: var(--white);
  border: none;
  border-radius: 6px;
  font-weight: bold;
  cursor: pointer;
  transition: background 0.3s ease;
}

.footer-subscribe button:hover {
  background: #b88f2f;
}

.subscribe-hint {
  font-size: 0.85rem;
  color: var(--muted);
}

/* MENU MOBILE */
.menu-toggle {
  background: none;
  border: none;
  font-size: 28px;
  color: var(--white);
  cursor: pointer;
  display: none;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .menu-toggle {
    display: block;
    margin-bottom: 10px;
  }

  .main-nav {
    position: static;
    width: 100%;
  }

  .nav-list {
    flex-direction: column;
    gap: 10px;
  }

  .submenu {
    position: static;
    border: none;
    background: #f0f4f8;
    padding: 10px 20px;
    margin-top: 6px;
    border-radius: 6px;
    box-shadow: none;
  }

  .submenu a {
    color: var(--blue);
    padding: 6px 0;
    display: block;
  }

  .has-submenu.active .submenu {
    display: block;
  }

  .chevron {
    float: right;
    transition: transform 0.3s ease;
  }

  .chevron.rotate {
    transform: rotate(180deg);
  }
}