/* ============================================
   NAVIGATION - Professional Grade
   ============================================ */

#site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: transparent;
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  backdrop-filter: blur(0px);
  transition: all calc(var(--transition-base) * 1.5) cubic-bezier(0.16, 1, 0.3, 1);
  border: 1px solid transparent;
  margin: 0 auto;
  max-width: 1400px;
  width: 100%;
}

.navbar--scrolled {
  background: rgba(10, 14, 23, 0.7);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-color: rgba(255, 255, 255, 0.08);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
  margin-top: var(--space-sm);
  border-radius: var(--radius-2xl);
  padding: var(--space-sm) var(--space-lg);
  width: calc(100% - 2 * var(--space-md));
}

/* Nav Left Section */
.nav-left {
  display: flex;
  align-items: center;
  gap: var(--space-2xl);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 700;
  font-size: 20px;
  color: var(--text-primary);
  font-family: var(--font-display);
  letter-spacing: -0.02em;
  transition: transform var(--transition-fast);
  text-decoration: none;
}

.logo:hover {
  transform: scale(1.02);
  color: var(--text-primary);
}

.logo img {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  object-fit: contain;
}

/* Nav Links */
.nav-links {
  display: flex;
  gap: var(--space-xs);
  align-items: center;
}

.nav-links a {
  position: relative;
  padding: var(--space-sm) var(--space-md);
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 15px;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.nav-links a:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.nav-links a:not(.donate-link):hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.nav-links a.active {
  color: var(--text-primary);
  background: rgba(255, 138, 0, 0.1);
}

.nav-links a.active::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 24px;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  border-radius: var(--radius-full);
}

/* Donate Link Styling - Clean & Professional */
.nav-links .donate-link {
  background: transparent !important;
  color: var(--accent-primary) !important;
  padding: 8px 16px;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--accent-primary);
  font-weight: 600;
  font-size: 14px;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-left: var(--space-sm);
}

.nav-links .donate-link:hover {
  background: var(--accent-primary) !important;
  color: #0A0E17 !important;
  border-color: var(--accent-primary);
}

.nav-links .donate-link i {
  font-size: 14px;
}

.mobile-links .donate-link {
  background: transparent;
  color: var(--accent-primary) !important;
  border: 1.5px solid var(--accent-primary);
  font-weight: 600;
  font-size: 15px;
  margin-top: var(--space-lg);
  padding: 12px 24px;
  display: flex !important;
  align-items: center;
  gap: 8px;
  justify-content: center;
  text-align: center;
  width: 100%;
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
}

.mobile-links .donate-link:hover {
  background: var(--accent-primary);
  color: #0A0E17 !important;
  border-color: var(--accent-primary);
}

.mobile-links .donate-link i {
  font-size: 16px;
  flex-shrink: 0;
}

/* Nav Right Section */
.nav-right {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.search-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.search-icon:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

.cta-list {
  display: inline-flex;
  align-items: center;
  padding: 10px 20px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-primary-hover));
  color: #0A0E17;
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
  transition: all var(--transition-base);
  box-shadow: 0 4px 12px rgba(255, 138, 0, 0.2);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.cta-list:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 138, 0, 0.3);
  color: #0A0E17;
  filter: brightness(1.1);
}

/* Mobile Menu */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: transparent;
  border: 1px solid var(--border-color);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.hamburger:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--accent-primary);
}

.hamburger i {
  color: var(--text-primary);
  font-size: 20px;
}

.mobile-menu {
  position: fixed;
  right: -100%;
  top: 0;
  width: 100%;
  max-width: 400px;
  height: 100vh;
  background: rgba(10, 14, 23, 0.85);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  z-index: var(--z-modal);
  transition: right var(--transition-slow);
  box-shadow: -8px 0 40px rgba(0, 0, 0, 0.5);
  overflow-y: auto;
  border-left: 1px solid rgba(255, 255, 255, 0.06);
}

.mobile-menu.open {
  right: 0;
}

.mobile-menu .close {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-lg);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.mobile-menu .close:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--accent-danger);
  color: var(--accent-danger);
}

.mobile-menu .close i {
  font-size: 20px;
}

.mobile-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  padding: 100px var(--space-xl) var(--space-xl);
}

.mobile-links a {
  padding: var(--space-md) var(--space-lg);
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 16px;
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
  border: 1px solid transparent;
}

.mobile-links a:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--border-color);
}

.mobile-links a.active {
  color: var(--text-primary);
  background: rgba(255, 138, 0, 0.1);
  border-color: var(--accent-primary);
}

/* Responsive */
@media (max-width: 860px) {
  .nav-links {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .cta-list {
    display: none;
  }

  .navbar {
    padding: var(--space-md);
  }
}

@media (max-width: 640px) {
  .mobile-menu {
    max-width: 100%;
  }

  .search-icon {
    width: 36px;
    height: 36px;
  }
}

/* ============================================
   SEARCH MODAL
   ============================================ */

.search-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10, 14, 23, 0.95);
  backdrop-filter: blur(10px);
  z-index: var(--z-modal);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 80px var(--space-lg) var(--space-lg);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  overflow-y: auto;
}

.search-modal.open {
  opacity: 1;
  visibility: visible;
}

.search-modal-content {
  width: 100%;
  max-width: 700px;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-2xl);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-xl);
  animation: slideDown 0.3s ease-out;
  position: relative;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.search-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-xl);
}

.search-modal-header h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
  font-family: var(--font-display);
}

.search-close {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.search-close:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--border-color-hover);
}

.search-close i {
  font-size: 20px;
}

.search-modal-form {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
}

.search-input-wrapper {
  flex: 1;
  position: relative;
  display: flex;
  align-items: center;
}

.search-input-wrapper i {
  position: absolute;
  left: 18px;
  color: var(--text-muted);
  font-size: 18px;
  pointer-events: none;
  z-index: 1;
}

.search-input-wrapper input {
  width: 100%;
  padding: 16px 20px 16px 52px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(30, 39, 54, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: var(--text-primary);
  font-size: 16px;
  font-family: var(--font-sans);
  transition: all var(--transition-fast);
}

.search-input-wrapper input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(255, 138, 0, 0.12);
  background: var(--bg-card);
}

.search-input-wrapper input::placeholder {
  color: var(--text-disabled);
}

.search-modal-form .btn {
  padding: 16px 32px;
  white-space: nowrap;
}

.search-suggestions {
  margin-top: var(--space-xl);
}

.search-suggestions h3 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin: 0 0 var(--space-md);
}

.search-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.search-tag {
  display: inline-flex;
  align-items: center;
  padding: 10px 18px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.search-tag:hover {
  background: rgba(255, 138, 0, 0.1);
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  transform: translateY(-2px);
}

/* Responsive */
@media (max-width: 640px) {
  .search-modal {
    padding: 60px var(--space-md) var(--space-md);
  }

  .search-modal-content {
    padding: var(--space-lg);
    border-radius: var(--radius-xl);
  }

  .search-modal-header h2 {
    font-size: 20px;
  }

  .search-close {
    width: 40px;
    height: 40px;
  }

  .search-modal-form {
    flex-direction: column;
    gap: var(--space-sm);
  }

  .search-input-wrapper input {
    padding: 14px 18px 14px 48px;
    font-size: 15px;
  }

  .search-input-wrapper i {
    left: 16px;
    font-size: 16px;
  }

  .search-modal-form .btn {
    width: 100%;
    padding: 14px 24px;
  }

  .search-tag {
    padding: 8px 14px;
    font-size: 13px;
  }
}