/* Header Specific Styles */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(18, 18, 20, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-4) 0;
  transition: padding var(--transition-base);
}

.brand-logo {
  font-family: 'Rajdhani', sans-serif;
  font-size: var(--fs-2xl);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-decoration: none;
  display: flex;
  align-items: center;
}

.brand-text-primary {
  color: #FFFFFF;
}

.brand-text-secondary {
  color: var(--color-primary);
}

/* Desktop Navigation */
.nav-list {
  list-style: none;
  margin: 0;
  gap: var(--space-6);
  align-items: center;
}

.nav-link {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text);
  font-size: var(--fs-base);
  position: relative;
  padding: var(--space-2) 0;
}

.nav-link:not(.btn)::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width var(--transition-base);
}

.nav-link:not(.btn):hover {
  color: #FFFFFF;
  text-decoration: none;
}

.nav-link:not(.btn):hover::after {
  width: 100%;
}

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

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  z-index: 1100;
}

.hamburger-box {
  width: 24px;
  height: 24px;
  display: inline-block;
  position: relative;
}

.hamburger-inner {
  display: block;
  top: 50%;
  margin-top: -2px;
  width: 24px;
  height: 2px;
  background-color: #FFFFFF;
  position: absolute;
  transition: transform 0.2s cubic-bezier(0.19, 1, 0.22, 1), background-color 0.2s;
}

.hamburger-inner::before,
.hamburger-inner::after {
  content: '';
  display: block;
  width: 24px;
  height: 2px;
  background-color: #FFFFFF;
  position: absolute;
  transition: transform 0.2s cubic-bezier(0.19, 1, 0.22, 1);
}

.hamburger-inner::before {
  top: -8px;
}

.hamburger-inner::after {
  top: 8px;
}

/* Mobile Menu Active State */
.mobile-menu-toggle[aria-expanded="true"] .hamburger-inner {
  background-color: transparent;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-inner::before {
  transform: translateY(8px) rotate(45deg);
  background-color: var(--color-primary);
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-inner::after {
  transform: translateY(-8px) rotate(-45deg);
  background-color: var(--color-primary);
}

@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: block;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: var(--color-bg);
    padding: var(--space-24) var(--space-4);
    transform: translateX(100%);
    transition: transform 0.3s ease-in-out;
    visibility: hidden;
  }

  .nav-menu.is-active {
    transform: translateX(0);
    visibility: visible;
  }

  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-8);
  }

  .nav-link {
    font-size: var(--fs-xl);
  }

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