/* Header Styles */
.site-header {
  background: #fff;
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
}

/* Top Bar */
.header-top {
  background-color: var(--color-bg-secondary);
  color: #fff;
  padding: var(--spacing-xs) 0;
  font-size: var(--font-size-sm);
}

#header-date {
  color: var(--color-nav-text);
}

.header-socials a {
  color: rgba(255, 255, 255, 0.8);
  transition: color var(--transition-base);
}

.header-socials a:hover {
  color: #fff;
}

/* Main Header */
.header-main {
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid var(--color-accent);
}

.site-logo {
  font-family: var(--font-family-main);
  font-weight: 900;
  font-size: var(--font-size-3xl);
  color: var(--color-text-main);
  text-transform: uppercase;
  letter-spacing: -1px;
}

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

/* Navigation Bar */
.header-nav {
  background: var(--color-nav-bg);
  border-bottom: 1px solid var(--color-border);
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  scroll-behavior: smooth;
}

.header-nav .container {
  min-width: min-content;
  width: 100%;
}

.header-nav::-webkit-scrollbar {
  height: 4px;
}

.header-nav::-webkit-scrollbar-track {
  background: transparent;
}

.header-nav::-webkit-scrollbar-thumb {
  background-color: rgba(255, 255, 255, 0.3);
  border-radius: 2px;
}

.header-nav::-webkit-scrollbar-thumb:hover {
  background-color: rgba(255, 255, 255, 0.5);
}

.site-nav-bar__link {
  display: block;
  padding: var(--spacing-md) var(--spacing-sm);
  font-weight: 600;
  text-transform: uppercase;
  font-size: var(--font-size-sm);
  color: var(--color-nav-text);
  position: relative;
}

.site-nav-bar__link:hover {
  color: var(--color-accent);
}

.site-nav-bar__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-accent);
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.site-nav-bar__link:hover::after {
  transform: scaleX(1);
}

/* Mobile Toggle */
.nav-toggle {
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm);
  color: var(--color-text-main);
  display: block; /* Ensure it's visible by default */
}

/* Hide on large screens */
@media (min-width: 1024px) {
  .nav-toggle {
    display: none;
  }
}

.nav-toggle__icon {
  display: block;
  width: 24px;
  height: 2px;
  background: currentColor;
  position: relative;
}

.nav-toggle__icon::before,
.nav-toggle__icon::after {
  content: '';
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: currentColor;
}

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

/* Mobile Panel */
.site-nav-panel {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 80%;
  max-width: 300px;
  background: #fff;
  z-index: 1001;
  transform: translateX(-100%);
  transition: transform var(--transition-base);
  box-shadow: var(--shadow-lg);
}

.site-nav-panel.is-open {
  transform: translateX(0);
}

.site-nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.site-nav-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}

.nav-close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text-main);
}