/* Trekking Hero */
.trekking-hero {
    background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), 
                url('https://tse3.mm.bing.net/th/id/OIP.dFhsdIe93SBtIrvnU6BKsQHaEK?cb=ucfimg2&ucfimg=1&rs=1&pid=ImgDetMain&o=7&rm=3');
    background-size: cover;
    background-position: center;
    color: white;
    padding: 180px 0 100px;
    margin-top: 76px;
    text-align: center;
}

.trekking-hero-content h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.5);
}

.trekking-hero-content p {
    font-size: 1.25rem;
    max-width: 700px;
    margin: 0 auto;
}

/* Category Cards */
.category-card {
    text-align: center;
    padding: 2.5rem 1.5rem;
    border-radius: 15px;
    transition: all 0.3s ease;
    height: 100%;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.category-card.elite {
    background: linear-gradient(135deg, #003893, #1a5ac5);
    color: white;
}

.category-card.short {
    background: linear-gradient(135deg, #10b981, #34d399);
    color: white;
}

.category-card.lakes {
    background: linear-gradient(135deg, #0d9488, #2dd4bf);
    color: white;
}

.category-card.adventure {
    background: linear-gradient(135deg, #f97316, #fb923c);
    color: white;
}

.category-card.wildlife {
    background: linear-gradient(135deg, #059669, #10b981);
    color: white;
}

.category-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.category-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.category-card p {
    font-size: 1rem;
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.btn-category {
    background-color: white;
    color: #333;
    border: none;
    padding: 10px 25px;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.category-card.elite .btn-category {
    color: #003893;
}

.category-card.short .btn-category {
    color: #10b981;
}

.category-card.lakes .btn-category {
    color: #0d9488;
}

.category-card.adventure .btn-category {
    color: #f97316;
}

.category-card.wildlife .btn-category {
    color: #059669;
}

.btn-category:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.category-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

/* Filter Buttons */
.btn-outline-nepal {
    color: #003893;
    border-color: #003893;
    border-radius: 50px;
    padding: 8px 20px;
    margin: 0 5px 10px;
    transition: all 0.3s ease;
}

.btn-outline-nepal:hover,
.btn-outline-nepal.active {
    background-color: #003893;
    color: white;
    border-color: #003893;
}

/* Trek Comparison Table */
.trek-comparison-table {
    background-color: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.trek-comparison-table thead {
    background: linear-gradient(to right, #003893, #DC143C);
    color: white;
}

.trek-comparison-table th {
    padding: 1.25rem 1rem;
    font-weight: 600;
    border: none;
}

.trek-comparison-table td {
    padding: 1.25rem 1rem;
    vertical-align: middle;
    border-color: #e9ecef;
}

.trek-comparison-table tbody tr:hover {
    background-color: #f8f9fa;
}

/* Difficulty Badges */
.difficulty-badge {
    padding: 5px 15px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
}

.difficulty-easy {
    background-color: #d1fae5;
    color: #065f46;
}

.difficulty-moderate {
    background-color: #fef3c7;
    color: #92400e;
}

.difficulty-challenging {
    background-color: #fee2e2;
    color: #991b1b;
}

.difficulty-extreme {
    background-color: #dc2626;
    color: white;
}

/* Season Badges */
.season-badge {
    padding: 5px 15px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
}

.season-spring {
    background-color: #dbeafe;
    color: #1e40af;
}

.season-autumn {
    background-color: #fef3c7;
    color: #92400e;
}

.season-winter {
    background-color: #e0e7ff;
    color: #3730a3;
}

.season-all {
    background-color: #dcfce7;
    color: #166534;
}

/* Expanded Trek Details */
.trek-details-expanded {
    background-color: #f8fafc;
    border-radius: 10px;
    padding: 2rem;
    margin-top: 2rem;
    display: none;
}

.trek-details-expanded.show {
    display: block;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.detail-item {
    margin-bottom: 1.5rem;
}

.detail-item h5 {
    color: #003893;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.detail-item p {
    margin-bottom: 0;
    color: #4b5563;
}

.highlights-list {
    list-style-type: none;
    padding-left: 0;
}

.highlights-list li {
    padding: 5px 0;
    padding-left: 25px;
    position: relative;
}

.highlights-list li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #10b981;
    font-weight: bold;
}

/* Itinerary Timeline */
.itinerary-timeline {
    position: relative;
    padding-left: 30px;
}

.itinerary-timeline:before {
    content: '';
    position: absolute;
    left: 7px;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: #003893;
}

.timeline-item {
    position: relative;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px dashed #e5e7eb;
}

.timeline-item:last-child {
    border-bottom: none;
}

.timeline-item:before {
    content: '';
    position: absolute;
    left: -33px;
    top: 5px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: #DC143C;
    border: 3px solid white;
    box-shadow: 0 0 0 3px #DC143C;
}

.day-badge {
    background-color: #003893;
    color: white;
    padding: 3px 12px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 10px;
}

/* Responsive Styles */
@media (max-width: 992px) {
    .trekking-hero-content h1 {
        font-size: 2.8rem;
    }
    
    .btn-group {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .trekking-hero {
        padding: 150px 0 80px;
    }
    
    .trekking-hero-content h1 {
        font-size: 2.3rem;
    }
    
    .trek-comparison-table {
        font-size: 0.9rem;
    }
    
    .table-responsive {
        border: none;
    }
}

@media (max-width: 576px) {
    .trekking-hero-content h1 {
        font-size: 1.8rem;
    }
    
    .category-card {
        padding: 1.5rem 1rem;
    }
    
    .btn-outline-nepal {
        padding: 6px 15px;
        font-size: 0.9rem;
    }
}