/* ================================
   GLASS MORPHISM UTILITY CLASSES
   ================================ */

.glass-card {
    background: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: none;
}

.glass-light {
    background: var(--glass-bg-light);
    backdrop-filter: var(--glass-blur-light);
    -webkit-backdrop-filter: var(--glass-blur-light);
    border: var(--btn-border-width) solid var(--border-light);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.glass-header {
    background: var(--glass-bg-header);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom: var(--btn-border-width) solid var(--border-medium);
    box-shadow: var(--shadow-sm);
    transition: background 0.3s ease;
}

/* Header with solid background when needed */
header.header-solid {
    background: var(--glass-bg-header-solid);
}

.glass-sidebar {
    background: var(--glass-bg-sidebar);
    backdrop-filter: var(--glass-blur-light);
    -webkit-backdrop-filter: var(--glass-blur-light);
    border: var(--btn-border-width) solid var(--border-light);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

/* ================================
   SINGLE UNIFIED BUTTON SYSTEM
   ================================ */

/* Base Button Component - Single Universal Button */
.btn,
button {
    display: inline-block;
    color: var(--brand-primary);
    text-decoration: none;
    font-weight: var(--btn-font-weight);
    margin: 0.5rem 0;
    padding: var(--btn-padding-y) var(--btn-padding-x);
    background: var(--glass-bg-light);
    border-radius: var(--radius-sm);
    border: var(--btn-border-width) solid var(--brand-primary);
    transition: all var(--transition-base), transform var(--transition-fast);
    cursor: pointer;
    font-size: inherit;
    font-family: inherit;
}

/* Button Variants */
.btn--primary {
    background: var(--brand-primary);
    color: var(--white);
    border-color: var(--brand-primary);
    box-shadow: var(--shadow-brand);
}

.btn--secondary {
    background: var(--glass-bg-light);
    color: var(--text-primary);
    border-color: var(--border-strong);
}

.btn--ghost {
    background: transparent;
    color: var(--text-primary);
    border-color: var(--border-medium);
}

/* Button Sizes */
.btn--sm {
    padding: var(--btn-padding-y-sm) var(--btn-padding-x-sm);
}

.btn--lg {
    padding: var(--btn-padding-y-lg) var(--btn-padding-x-lg);
}

/* Logo link - clean reset */
.logo-link {
    all: unset;
    cursor: pointer;
    display: inline-block;
}

/* Base Button Hover - Single Universal Button */
.btn:hover,
button:hover {
    color: var(--brand-secondary);
    background: rgba(0, 149, 217, 0.1);
    border-color: var(--brand-secondary);
    text-decoration: none;
    transform: translateY(-1px);
}

/* Button Variant Hovers */
.btn--primary:hover {
    background: var(--brand-secondary);
    border-color: var(--brand-secondary);
    color: var(--white);
}

/* Active/Primary Button State */
button.active {
    background: var(--brand-primary);
    color: var(--white);
    border-color: var(--brand-primary);
    box-shadow: var(--shadow-brand);
}

button.active:hover {
    background: var(--brand-secondary);
    border-color: var(--brand-secondary);
}

/* Specific Contact Button Variants */
.btn--whatsapp {
    background: var(--whatsapp);
    color: var(--white);
    border-color: var(--whatsapp);
}

.btn--whatsapp:hover {
    background: #1eb854;
    border-color: #1eb854;
    color: var(--white);
}

.btn--email {
    background: var(--brand-primary);
    color: var(--white);
    border-color: var(--brand-primary);
}

.btn--email:hover {
    background: var(--brand-secondary);
    border-color: var(--brand-secondary);
    color: var(--white);
}

.btn-primary-large {
    padding: 0.75rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    background: var(--brand-primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    text-decoration: none;
    display: inline-block;
    transition: all var(--transition-base);
}

.btn-primary-large:hover {
    background: var(--brand-primary-dark, #1e40af);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ================================
   UTILITY CLASSES
   ================================ */

.highlight-box {
    padding: 2rem;
    margin: 2rem 0;
}

.content-grid {
    display: grid;
    grid-template-columns: 3fr 1fr;
    gap: var(--content-gap);
}

/* Display Control */
.hidden {
    display: none;
}

.visible {
    display: block;
}

/* ================================
   SERVICE CARDS COMPONENTS
   ================================ */

.service-card {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
    border: var(--btn-border-width) solid var(--border-light);
    box-shadow: var(--shadow-sm);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--brand-primary);
}

.service-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-base);
}

.service-card:hover .service-image img {
    transform: scale(1.05);
}

.service-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(0, 149, 217, 0.8), rgba(0, 149, 217, 0.6));
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.service-card:hover .service-overlay {
    opacity: 1;
}

.service-icon {
    font-size: 3rem;
    animation: pulse 2s ease-in-out infinite;
}

.service-content {
    padding: 1.5rem;
}

.service-content h3 {
    margin: 0 0 1rem 0;
    color: var(--brand-primary);
    font-size: 1.25rem;
    font-weight: 600;
}

.service-content p {
    margin: 0 0 1.5rem 0;
    color: var(--text-secondary);
    line-height: 1.6;
}

.service-btn {
    width: 100%;
    text-align: center;
    margin: 0;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

/* ================================
   TRAVEL GUIDE COMPONENTS
   ================================ */

/* Travel Guide Cards Enhancement */
.service-card .service-image {
    position: relative;
    overflow: hidden;
}

/* ============================================================
   HOTEL LIST SECTION (hsl-*) — used in private-tour-detail
   ============================================================ */
.hsl-intro {
    font-size: 0.85rem;
    color: #555;
    background: #f0f7fd;
    border: 1px solid #cce4f6;
    border-radius: 8px;
    padding: 0.7rem 1rem;
    margin-bottom: 1.25rem;
    line-height: 1.6;
}
.hsl-groups { display: flex; flex-direction: column; gap: 1.25rem; }
.hsl-city-group {
    border: 1px solid #e0eaf4;
    border-radius: 10px;
    overflow: hidden;
}
.hsl-city-hdr {
    background: #0D2B5A;
    color: #fff;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 0.55rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}
.hsl-city-hdr i { color: #42A5F5; font-size: 0.75rem; }
.hsl-items { display: flex; flex-direction: column; }
.hsl-item {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 0.85rem 1rem;
    border-bottom: 1px solid #f0f4f8;
    background: #fff;
    transition: background 0.15s;
}
.hsl-item:last-child { border-bottom: none; }
.hsl-item:hover { background: #f8fbff; }
.hsl-thumb { display: none; }
.hsl-info { flex: 1; min-width: 0; }
.hsl-top {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.2rem;
    flex-wrap: wrap;
}
.hsl-name {
    font-size: 0.9rem;
    font-weight: 700;
    color: #0D2B5A;
    line-height: 1.3;
}
.hsl-cat {
    font-size: 0.66rem;
    font-weight: 600;
    background: rgba(0,149,217,0.1);
    color: #0074a8;
    border: 1px solid rgba(0,149,217,0.25);
    padding: 0.12rem 0.5rem;
    border-radius: 8px;
    white-space: nowrap;
}
.hsl-meta {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.78rem;
    color: #666;
    margin-bottom: 0.35rem;
    flex-wrap: wrap;
}
.hsl-stars { color: #C9A84C; letter-spacing: 0.02em; font-size: 0.75rem; }
.hsl-sep { color: #ccc; }
.hsl-tagline { font-style: italic; color: #777; }
.hsl-amenities { display: flex; flex-wrap: wrap; gap: 0.25rem; }
.hs-chip {
    font-size: 0.68rem;
    background: #f0f7fd;
    border: 1px solid #cce4f6;
    color: #0D2B5A;
    padding: 0.15rem 0.5rem;
    border-radius: 8px;
}
.hsl-link {
    flex-shrink: 0;
    width: 32px; height: 32px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 50%;
    border: 1px solid #cce4f6;
    color: #0095d9;
    font-size: 0.72rem;
    text-decoration: none;
    transition: background 0.2s, color 0.2s;
}
.hsl-link:hover { background: #0095d9; color: #fff; border-color: #0095d9; text-decoration: none; }

/* Filter bar */
.hsl-filters {
    background: #f8fbff;
    border: 1px solid #e0eaf4;
    border-radius: 10px;
    padding: 0.75rem 1rem;
    margin-bottom: 1.1rem;
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
}
.hsl-frow {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}
.hsl-flabel {
    color: #0095d9;
    font-size: 0.78rem;
    width: 16px;
    flex-shrink: 0;
}
.hsl-ftabs { display: flex; flex-wrap: wrap; gap: 0.35rem; }
.hsl-ftab {
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.28rem 0.75rem;
    border-radius: 20px;
    border: 1px solid #cce4f6;
    background: #fff;
    color: #0074a8;
    cursor: pointer;
    transition: background 0.15s, color 0.15s, border-color 0.15s;
    line-height: 1.4;
}
.hsl-ftab:hover { background: #e8f4fc; border-color: #0095d9; }
.hsl-ftab.hsl-ftab--active { background: #0D2B5A; color: #fff; border-color: #0D2B5A; }

@media (max-width: 480px) {
    .hsl-thumb { width: 58px; height: 44px; }
    .hsl-name { font-size: 0.82rem; }
}

/* Category Badge */
.service-card .service-image .category-badge {
    position: absolute;
    top: 8px;
    right: 8px;
    background: rgba(0, 149, 217, 0.9);
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 2;
}

/* Travel Guide Meta Info */
.travel-guide-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 1rem 0 0.5rem 0;
    font-size: 0.85rem;
    color: #666;
    padding-top: 0.5rem;
    border-top: 1px solid var(--border-light);
}

/* Refresh Button Enhancement */
#refreshTravelGuides {
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

#refreshTravelGuides:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 149, 217, 0.3);
}

#refreshTravelGuides:active {
    transform: translateY(0);
}

/* Loading State */
.travel-guide-loading {
    animation: fadeInOut 2s ease-in-out infinite;
}

@keyframes fadeInOut {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}