/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--color-surface); /* Solid White */
  box-shadow: var(--shadow-sm);
  height: var(--header-height);
  border-bottom: 2px solid var(--color-primary); /* Fine green line per spec */
  transition: all var(--transition-normal);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 1rem;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  gap: var(--spacing-sm);
  font-family: var(--font-family-heading);
  font-weight: var(--font-weight-black);
  font-size: 1.5rem;
  color: var(--color-primary);
  z-index: 1001;
  text-decoration: none !important;
}

.logo-text-dark {
  color: var(--color-text-dark);
}

.logo-icon {
  width: 40px;
  height: 40px;
  background-color: var(--color-primary);
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.logo-icon::before, .logo-icon::after {
  content: '';
  position: absolute;
  background-color: var(--color-surface);
  border-radius: 2px;
}
.logo-icon::before {
  width: 20px;
  height: 6px;
}
.logo-icon::after {
  height: 20px;
  width: 6px;
}


/* Desktop Navigation */
.nav-menu {
  display: none;
}

@media (min-width: 1024px) {
  .nav-menu {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
    gap: 1.25rem;
    margin: 0 var(--spacing-md);
  }

  .nav-link {
    color: var(--color-text-dark); /* text noir/vert */
    font-weight: var(--font-weight-bold);
    font-family: 'Arial', system-ui, sans-serif;
    position: relative;
    padding: var(--spacing-sm) 0;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.5px;
  }

  .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background-color: var(--color-primary);
    transition: width var(--transition-normal);
    border-radius: 3px;
  }

  .nav-link:hover, .nav-link.active {
    color: var(--color-primary);
    text-decoration: none;
  }

  .nav-link:hover::after,
  .nav-link.active::after {
    width: 100%;
  }
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  flex-shrink: 0;
  z-index: 1001;
}

.header-actions .btn {
  padding: 0.35rem 1rem;
  font-size: 0.8rem;
  white-space: nowrap;
  /* Match the 38px height of the logo image to keep the header aligned */
  height: 38px;
  display: flex;
  align-items: center;
}

.mobile-menu-btn {
  display: block;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm);
  color: var(--color-primary-dark);
}

@media (min-width: 1024px) {
  .mobile-menu-btn {
    display: none;
  }
}

.hamburger {
  display: block;
  width: 28px;
  height: 3px;
  background-color: currentColor;
  position: relative;
  transition: background-color var(--transition-fast);
  border-radius: 2px;
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  left: 0;
  width: 100%;
  height: 3px;
  background-color: inherit;
  transition: transform var(--transition-fast);
  border-radius: 2px;
}

.hamburger::before { top: -8px; }
.hamburger::after { bottom: -8px; }

.nav-open .hamburger { background-color: transparent; }
.nav-open .hamburger::before { transform: translateY(8px) rotate(45deg); }
.nav-open .hamburger::after { transform: translateY(-8px) rotate(-45deg); }

/* Mobile Navigation Drawer */
.mobile-nav-drawer {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: var(--color-surface);
  display: flex;
  flex-direction: column;
  padding: calc(var(--header-height) + var(--spacing-xl)) var(--spacing-xl) var(--spacing-xl);
  transform: translateX(100%);
  transition: transform var(--transition-normal);
  z-index: 999;
  overflow-y: auto;
}

.nav-open .mobile-nav-drawer {
  transform: translateX(0);
}

.mobile-nav-link {
  font-size: 1.25rem;
  font-family: var(--font-family-heading);
  font-weight: var(--font-weight-black);
  padding: var(--spacing-md) 0;
  display: block;
  color: var(--color-text-dark);
  border-bottom: 1px solid rgba(0,0,0,0.05);
}
.mobile-nav-link.active {
  color: var(--color-primary);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background-color: var(--color-primary-dark); /* #19321D */
  color: var(--color-surface);
  padding: var(--spacing-xxl) 0 var(--spacing-xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 2fr 1.5fr 1.5fr 2fr;
  }
}

.footer-col-title {
  color: var(--color-accent); /* Jaune pour highlights */
  font-size: 1.25rem;
  margin-bottom: var(--spacing-lg);
  font-family: var(--font-family-heading);
}

.footer-col p {
  color: rgba(255,255,255,0.8);
  font-size: 0.95rem;
}

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

.footer-links a {
  color: rgba(255,255,255,0.8);
  transition: color var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.footer-links a:hover {
  color: var(--color-surface);
  text-decoration: none;
}
.footer-links a::before {
  content: '›';
  color: var(--color-primary);
  font-weight: bold;
}

.social-links {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.social-link {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-surface);
  transition: background-color var(--transition-fast);
}

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

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
  color: rgba(255,255,255,0.8);
  font-size: 0.95rem;
}

.footer-bottom {
  margin-top: var(--spacing-xxl);
  padding-top: var(--spacing-xl);
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
  text-align: center;
  font-size: 0.875rem;
  color: rgba(255,255,255,0.5);
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}