/* ============================================
   ENHANCED PROFESSIONAL PORTFOLIO STYLES
   ============================================ */

/* Portfolio Filter Bar - Fixed & Enhanced */
.portfolio-filter {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    padding: 2rem 0;
    border-bottom: 1px solid rgba(203, 161, 53, 0.15);
    position: sticky;
    top: 70px;
    z-index: 100;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    backdrop-filter: blur(10px);
}

.filter-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
    max-width: 900px;
    margin: 0 auto;
}

.filter-btn {
    padding: 0.75rem 1.75rem;
    background: white;
    border: 2px solid #e9ecef;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--color-text);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    letter-spacing: 0.3px;
}

.filter-btn:hover {
    background: white;
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(203, 161, 53, 0.2);
}

.filter-btn.active {
    background: linear-gradient(135deg, var(--color-primary) 0%, #d4a855 100%);
    color: white;
    border-color: var(--color-primary);
    box-shadow: 0 4px 16px rgba(203, 161, 53, 0.35);
}

/* Portfolio Section Container */
.portfolio-section {
    background: #f8f9fa;
    padding: 4rem 0 5rem;
}

/* Individual Portfolio Item - Enhanced Layout */
.portfolio-item {
    background: white;
    padding: 0;
    margin-bottom: 5rem;
    border-radius: 16px;
    box-shadow: 0 6px 30px rgba(0,0,0,0.08);
    border: 1px solid rgba(0,0,0,0.05);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.portfolio-item:hover {
    box-shadow: 0 12px 40px rgba(0,0,0,0.12);
    transform: translateY(-5px);
}

/* Portfolio Header Section */
.portfolio-header {
    padding: 3rem 3.5rem 2.5rem;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    border-bottom: 3px solid var(--color-primary);
    position: relative;
}

.portfolio-header::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 3.5rem;
    width: 80px;
    height: 3px;
    background: var(--color-secondary);
}

.portfolio-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}

.portfolio-badge {
    background: linear-gradient(135deg, var(--color-primary) 0%, #d4a855 100%);
    color: white;
    padding: 0.45rem 1.15rem;
    border-radius: 25px;
    font-size: 0.8rem;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(203, 161, 53, 0.25);
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.portfolio-location {
    color: var(--color-text-light);
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    padding: 0.45rem 1.15rem;
    background: white;
    border-radius: 25px;
    border: 1px solid #dee2e6;
}

.portfolio-location i {
    color: var(--color-primary);
    margin-right: 0.5rem;
}

.portfolio-header h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--color-secondary);
    font-weight: 700;
    line-height: 1.3;
}

.portfolio-intro {
    font-size: 1.05rem;
    color: var(--color-text-light);
    line-height: 1.8;
    max-width: 95%;
}

/* Portfolio Content Area */
.portfolio-content-wrapper {
    padding: 3rem 3.5rem;
}

/* Details Grid - Improved */
.portfolio-details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3.5rem;
}

.portfolio-detail-box {
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    padding: 1.75rem 1.5rem;
    border-radius: 12px;
    border-left: 4px solid var(--color-primary);
    transition: all 0.3s ease;
}

.portfolio-detail-box:hover {
    transform: translateX(5px);
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}

.portfolio-detail-box h3 {
    font-size: 0.85rem;
    color: var(--color-primary);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.portfolio-detail-box h3 i {
    font-size: 1.1rem;
}

.portfolio-detail-box p {
    margin: 0;
    color: var(--color-text);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Scope Section - Enhanced */
.portfolio-scope {
    margin-bottom: 3.5rem;
}

.portfolio-scope h3,
.portfolio-highlights h3,
.portfolio-gallery h3,
.portfolio-result h3 {
    font-size: 1.5rem;
    color: var(--color-secondary);
    margin-bottom: 1.5rem;
    font-weight: 700;
    position: relative;
    padding-bottom: 0.75rem;
}

.portfolio-scope h3::after,
.portfolio-highlights h3::after,
.portfolio-gallery h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary) 0%, transparent 100%);
}

.scope-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
}

.scope-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    background: white;
    border-radius: 8px;
    border: 1px solid #e9ecef;
    transition: all 0.3s ease;
}

.scope-item:hover {
    background: var(--color-bg-light);
    border-color: var(--color-primary);
    transform: translateX(5px);
}

.scope-item i {
    color: var(--color-primary);
    margin-top: 3px;
    font-size: 0.95rem;
}

.scope-item span {
    font-size: 0.95rem;
    color: var(--color-text);
    line-height: 1.5;
}

/* Highlights Section */
.portfolio-highlights {
    margin-bottom: 3.5rem;
}

.portfolio-highlights ul {
    display: grid;
    gap: 1rem;
}

.portfolio-highlights li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    border-radius: 8px;
    border-left: 3px solid var(--color-primary);
    transition: all 0.3s ease;
    font-size: 0.95rem;
    line-height: 1.6;
}

.portfolio-highlights li:hover {
    transform: translateX(5px);
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}

.portfolio-highlights i {
    color: var(--color-primary);
    margin-top: 2px;
}

/* Gallery Section - Professional Grid */
.portfolio-gallery {
    margin-bottom: 3.5rem;
}

.portfolio-gallery h3 {
    margin-bottom: 2rem;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.gallery-grid img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}

.gallery-grid img:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 30px rgba(0,0,0,0.18);
}

/* Results Section - Enhanced */
.portfolio-result {
    background: linear-gradient(135deg, #2d3436 0%, #3d4447 100%);
    color: white;
    padding: 2.75rem 3rem;
    border-radius: 12px;
    margin-bottom: 3rem;
    border-left: 5px solid var(--color-primary);
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
    position: relative;
    overflow: hidden;
}

.portfolio-result::before {
    content: '"';
    position: absolute;
    top: -20px;
    right: 30px;
    font-size: 180px;
    color: rgba(203, 161, 53, 0.1);
    font-family: Georgia, serif;
    line-height: 1;
}

.portfolio-result h3 {
    color: var(--color-primary);
    margin-bottom: 1.25rem;
    font-size: 1.5rem;
    position: relative;
    z-index: 1;
}

.portfolio-result h3::after {
    background: linear-gradient(90deg, var(--color-primary) 0%, transparent 100%);
}

.portfolio-result p {
    margin: 0;
    line-height: 1.8;
    font-size: 1.05rem;
    color: rgba(255,255,255,0.95);
    position: relative;
    z-index: 1;
}

/* CTA Section */
.portfolio-cta {
    text-align: center;
    padding: 2.5rem 0 0.5rem;
    border-top: 2px solid #e9ecef;
}

.portfolio-cta .btn-primary {
    padding: 1.1rem 3.5rem;
    font-size: 1.05rem;
    font-weight: 600;
    border-radius: 50px;
    box-shadow: 0 4px 20px rgba(203, 161, 53, 0.3);
    letter-spacing: 0.5px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.portfolio-cta .btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(203, 161, 53, 0.45);
}

/* Responsive Design */
@media (max-width: 768px) {
    .portfolio-filter {
        padding: 1.5rem 0;
    }
    
    .filter-buttons {
        gap: 0.75rem;
    }
    
    .filter-btn {
        padding: 0.65rem 1.25rem;
        font-size: 0.85rem;
    }
    
    .portfolio-item {
        margin-bottom: 3rem;
        border-radius: 12px;
    }
    
    .portfolio-header,
    .portfolio-content-wrapper {
        padding: 2rem 1.75rem;
    }
    
    .portfolio-header h2 {
        font-size: 1.65rem;
    }
    
    .portfolio-intro {
        font-size: 1rem;
    }
    
    .portfolio-details-grid {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }
    
    .scope-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-grid img {
        height: 250px;
    }
    
    .portfolio-result {
        padding: 2rem 1.5rem;
    }
    
    .portfolio-cta .btn-primary {
        padding: 1rem 2.5rem;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .portfolio-meta {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .portfolio-badge,
    .portfolio-location {
        display: inline-flex;
        width: fit-content;
    }
}