/* ===== HEADER STYLES ===== */
.site-header {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  transition: all var(--transition-normal);
}

.site-header img {
  height: 100px;
}


.site-branding {
  text-align: left;
}

.site-title {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.site-title:hover {
  color: var(--primary-color);
}

.site-description {
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 400;
  display: block;
}

.navbar-brand {
  text-decoration: none;
  color: inherit;
}

.navbar-brand:hover {
  color: inherit;
}

.navbar-nav .nav-link {
  color: var(--text-primary);
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  position: relative;
}

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

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

.navbar-nav .nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -0.5rem;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 4px;
  background-color: var(--primary-color);
  border-radius: 50%;
}

/* Custom navbar toggler */
.navbar-toggler {
  border: none;
}

.navbar-toggler:focus {
  box-shadow: none;
}

.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%2829, 29, 31, 0.75%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Toggler opened (cross) */
.navbar-toggler.opened .navbar-toggler-icon {
  background-image: none;
  position: relative;
  width: 24px;
  height: 24px;
  display: inline-block;
}

.navbar-toggler.opened .navbar-toggler-icon::before,
.navbar-toggler.opened .navbar-toggler-icon::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: rgba(29, 29, 31, 0.75);
  transform-origin: center;
}

.navbar-toggler.opened .navbar-toggler-icon::before {
  transform: translateY(-50%) rotate(45deg);
}

.navbar-toggler.opened .navbar-toggler-icon::after {
  transform: translateY(-50%) rotate(-45deg);
}

.navbar-toggler-icon {
  width: 30px;
  height: 30px;
  display: inline-block;
}

.navbar-toggler-icon , .opened{
  margin-right: 4px;
}

/* Mobile adjustments */
@media (max-width: 991.98px) {
  .navbar-collapse {
    border-top: 1px solid var(--border-color);
  }
  
  .navbar-nav .nav-link.active::after {
    display: none;
  }
  
  .site-title {
    font-size: 1.25rem;
  }
  
  .site-description {
    font-size: 0.75rem;
  }
}