/* Header Styles */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: rgba(10, 22, 40, 0.95);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  gap: var(--space-4);
}

.site-logo {
  display: flex;
  align-items: center;
  font-family: 'Bebas Neue', sans-serif;
  font-size: var(--font-size-3xl);
  letter-spacing: var(--letter-spacing-wide);
  text-transform: uppercase;
  color: var(--color-white);
  transition: color var(--duration-fast) var(--ease-in-out);
  flex-shrink: 0;
}

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

.logo-text {
  background: linear-gradient(135deg, var(--color-white) 0%, var(--color-gray-300) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  list-style: none;
}

.nav-list a {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wider);
  color: var(--color-text-secondary);
  padding: var(--space-2) 0;
  position: relative;
  transition: color var(--duration-fast) var(--ease-in-out);
}

.nav-list a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width var(--duration-base) var(--ease-out);
}

.nav-list a:hover {
  color: var(--color-white);
}

.nav-list a:hover::after {
  width: 100%;
}

.header-cta {
  display: none;
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 48px;
  height: 48px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  z-index: 1001;
}

.hamburger,
.hamburger::before,
.hamburger::after {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-white);
  transition: all var(--duration-base) var(--ease-in-out);
}

.hamburger {
  position: relative;
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  left: 0;
}

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

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

.mobile-menu-toggle[aria-expanded="true"] .hamburger {
  background-color: transparent;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger::before {
  top: 0;
  transform: rotate(45deg);
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger::after {
  top: 0;
  transform: rotate(-45deg);
}

@media (max-width: 1023px) {
  .mobile-menu-toggle {
    display: flex;
  }
  
  .nav-list {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-navy-dark);
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    padding-top: var(--space-12);
    gap: var(--space-6);
    transform: translateX(100%);
    transition: transform var(--duration-base) var(--ease-out),
                opacity var(--duration-base) var(--ease-out);
    opacity: 0;
    visibility: hidden;
  }
  
  .nav-list.is-open {
    transform: translateX(0);
    opacity: 1;
    visibility: visible;
  }
  
  .nav-list a {
    font-size: var(--font-size-xl);
  }
}

@media (min-width: 1024px) {
  .header-cta {
    display: inline-flex;
  }
}