/* ============================================
   HEADER COMPONENT
   Sticky navigation + announcement bar for all pages
   Enhanced with glassmorphism design system
   ============================================ */

/* Import shared glass utilities */
@import '../../styles/glass.css';

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
}

/* ============================================
   NAVIGATION BAR GLASSMORPHISM OVERRIDE
   Force glassmorphism on the Navigation component
   ============================================ */

.site-header > nav {
  background: rgba(10, 10, 15, 0.65) !important;
  background-color: rgba(10, 10, 15, 0.65) !important;
  backdrop-filter: blur(20px) saturate(180%) !important;
  -webkit-backdrop-filter: blur(20px) saturate(180%) !important;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08) !important;
  box-shadow:
    0 4px 30px rgba(0, 0, 0, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.05) !important;
}

/* Ensure text is light on glass background */
.site-header > nav,
.site-header > nav a,
.site-header > nav button,
.site-header > nav span {
  color: rgba(255, 255, 255, 0.9) !important;
}

.site-header > nav a:hover,
.site-header > nav button:hover {
  color: #fff !important;
}

/* ============================================
   NAVIGATION BAR
   ============================================ */

.site-header__nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  background: var(--glass-bg-dark-medium);
  backdrop-filter: blur(var(--glass-blur-md));
  -webkit-backdrop-filter: blur(var(--glass-blur-md));
  border-bottom: 1px solid var(--glass-border-light);
  box-shadow: var(--glass-shadow-sm);
}

.site-header__back {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s ease;
}

.site-header__back:hover {
  color: var(--about-color);
}

.site-header__nav-links {
  display: flex;
  gap: 0.25rem;
  overflow-x: auto;
  scrollbar-width: none;
}

.site-header__nav-links::-webkit-scrollbar {
  display: none;
}

.site-header__nav-link {
  padding: 0.5rem 1rem;
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  font-size: 0.85rem;
  border-radius: 8px;
  border: 1px solid transparent;
  transition: var(--glass-transition);
  white-space: nowrap;
}

.site-header__nav-link:hover {
  color: rgba(255, 255, 255, 0.9);
  background: var(--glass-bg-light);
  border-color: var(--glass-border-light);
  box-shadow: var(--glass-inner-glow);
}

.site-header__nav-link--active {
  color: var(--about-color);
  background: var(--glass-bg-medium);
  border-color: color-mix(in srgb, var(--about-color) 30%, var(--glass-border-light));
  box-shadow: 0 0 12px color-mix(in srgb, var(--about-color) 15%, transparent);
}

.site-header__nav-link--apps {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-left: 0.5rem;
  background: linear-gradient(135deg, rgba(168, 85, 247, 0.15), rgba(236, 72, 153, 0.15));
  border-color: rgba(168, 85, 247, 0.25);
}

.site-header__nav-link--apps:hover {
  background: linear-gradient(135deg, rgba(168, 85, 247, 0.25), rgba(236, 72, 153, 0.25));
  border-color: rgba(168, 85, 247, 0.4);
}

/* ============================================
   ANNOUNCEMENT BAR
   ============================================ */

.site-header__announcement {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  padding: 0.875rem 2rem;
  background: linear-gradient(
    135deg,
    color-mix(in srgb, var(--about-gradient-from) 20%, var(--glass-bg-dark-heavy)),
    color-mix(in srgb, var(--about-gradient-to) 20%, var(--glass-bg-dark-heavy))
  );
  backdrop-filter: blur(var(--glass-blur-md));
  -webkit-backdrop-filter: blur(var(--glass-blur-md));
  border-bottom: 1px solid color-mix(in srgb, var(--about-color) 35%, var(--glass-border-light));
  box-shadow: var(--glass-inner-glow);
}

.site-header__announcement-text {
  font-size: 1rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.9);
  letter-spacing: 0.02em;
}

.site-header__announcement-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1.25rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.95);
  background: linear-gradient(135deg, var(--about-gradient-from), var(--about-gradient-to));
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.site-header__announcement-cta:hover {
  transform: translateY(-2px);
  box-shadow:
    var(--glass-shadow-md),
    0 0 30px color-mix(in srgb, var(--about-color) 40%, transparent),
    0 0 60px color-mix(in srgb, var(--about-color) 20%, transparent);
}

.site-header__announcement-cta:active {
  transform: translateY(0);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 768px) {
  .site-header__nav {
    flex-direction: column;
    gap: 1rem;
    padding: 1rem;
  }

  .site-header__nav-links {
    width: 100%;
    justify-content: center;
  }

  .site-header__nav-link {
    padding: 0.4rem 0.75rem;
    font-size: 0.8rem;
  }

  .site-header__announcement {
    flex-direction: column;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
  }

  .site-header__announcement-text {
    font-size: 0.9rem;
    text-align: center;
  }

  .site-header__announcement-cta {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .site-header__back span {
    display: none;
  }

  .site-header__nav-links {
    gap: 0.125rem;
  }

  .site-header__nav-link {
    padding: 0.35rem 0.5rem;
    font-size: 0.75rem;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .site-header__back,
  .site-header__nav-link,
  .site-header__announcement-cta {
    transition: none;
  }

  .site-header__announcement-cta:hover {
    transform: none;
  }
}

/* High contrast */
@media (prefers-contrast: high) {
  .site-header__nav,
  .site-header__announcement {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    background: rgba(30, 30, 40, 0.98);
    border-color: var(--glass-border-medium);
  }

  .site-header__nav-link--active {
    border-color: var(--about-color);
  }
}

/* ============================================
   NAVIGATION DROPDOWN GLASSMORPHISM
   Ultra-light transparency for maximum see-through
   ============================================ */

/* Ultra-transparent dropdown - background dominantly visible */
.site-header nav li ul,
header nav li ul,
nav li ul {
  /* Very low opacity for maximum see-through */
  background-color: rgba(10, 10, 15, 0.45) !important;

  /* Layered background for shimmer effect */
  background-image: linear-gradient(135deg, rgba(255, 255, 255, 0.05), transparent) !important;

  /* Heavy backdrop blur for strong glassmorphism */
  backdrop-filter: blur(40px) saturate(200%) !important;
  -webkit-backdrop-filter: blur(40px) saturate(200%) !important;

  /* Brighter glass border for visibility */
  border: 1px solid rgba(255, 255, 255, 0.2) !important;
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.5),
    inset 0 1px 0 rgba(255, 255, 255, 0.1) !important;

  border-radius: 12px !important;
  padding: 8px !important;
}

/* Whisper-subtle hover effect */
nav li ul li,
nav li ul a {
  border-radius: 6px !important;
  transition: all 0.2s ease !important;
  margin: 2px 0 !important;
}

nav li ul li:hover,
nav li ul a:hover {
  background: rgba(255, 255, 255, 0.04) !important;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08) !important;
  transform: translateX(2px) !important;
}