/* ================================
   Portfolio Section - COMPLETE
================================ */
.portfolio-section {
    padding: 100px 0;
    background: linear-gradient(180deg, #ffffff 0%, #f8f9ff 100%);
    position: relative;
}

/* Portfolio Filters */
.portfolio-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
    margin: 40px 0;
}

.filter-btn {
    font-family: 'Vazirmatn';
    padding: 12px 28px;
    background: #ffffff;
    border: 2px solid #e2e8f0;
    border-radius: 50px;
    font-size: 15px;
    font-weight: 600;
    color: #64748b;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.filter-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(102, 126, 234, 0.1);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.filter-btn:hover::before {
    width: 300px;
    height: 300px;
}

.filter-btn:hover {
    border-color: #667eea;
    color: #667eea;
    transform: translateY(-2px);
}

.filter-btn.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-color: transparent;
    color: white;
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.3);
}

/* Portfolio Grid */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

/* Portfolio Item */
.portfolio-item {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
    opacity: 1;
    transform: scale(1);
}

.portfolio-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(102, 126, 234, 0.2);
}

.portfolio-item.hidden {
    display: none;
}

/* Portfolio Image */
.portfolio-image {
    position: relative;
    height: 280px;
    overflow: hidden;
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.portfolio-item:hover .portfolio-image img {
    transform: scale(1.1);
}

/* Portfolio Overlay */
.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
            135deg,
            rgba(102, 126, 234, 0.95) 0%,
            rgba(118, 75, 162, 0.95) 100%
    );
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.4s ease;
    padding: 30px;
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-info {
    text-align: center;
    transform: translateY(20px);
    transition: transform 0.4s ease 0.1s;
}

.portfolio-item:hover .portfolio-info {
    transform: translateY(0);
}

.portfolio-category {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    color: white;
    margin-bottom: 15px;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.portfolio-title {
    font-size: 24px;
    font-weight: 700;
    color: white;
    margin: 10px 0;
}

.portfolio-description {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 20px;
    line-height: 1.6;
}

.portfolio-view-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: white;
    color: #667eea;
    border: none;
    border-radius: 50px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Vazirmatn';
}

.portfolio-view-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.portfolio-view-btn svg {
    transition: transform 0.3s ease;
}

.portfolio-view-btn:hover svg {
    transform: translateX(-3px);
}

/* Portfolio Meta */
.portfolio-meta {
    padding: 20px 25px;
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: #64748b;
}

.meta-item svg {
    stroke: #667eea;
    flex-shrink: 0;
}

/* Load More Button */
.portfolio-load-more {
    text-align: center;
    margin-top: 60px;
}

.load-more-btn {
    font-family: 'Vazirmatn';
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 40px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

.load-more-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(102, 126, 234, 0.4);
}

.load-more-btn svg {
    transition: transform 0.3s ease;
}

.load-more-btn:hover svg {
    transform: translateY(3px);
}

/* ================================
   Portfolio Modal
================================ */
.portfolio-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.portfolio-modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
}

.portfolio-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
}

.portfolio-modal-content {
    position: relative;
    background: white;
    border-radius: 24px;
    max-width: 1000px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    z-index: 10000;
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.portfolio-modal.active .portfolio-modal-content {
    transform: scale(1);
}

.portfolio-modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10001;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.portfolio-modal-close:hover {
    transform: rotate(90deg);
    background: #ff4757;
}

.portfolio-modal-close:hover svg {
    stroke: white;
}

.portfolio-modal-close svg {
    stroke: #64748b;
    transition: stroke 0.3s ease;
}

.portfolio-modal-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
}

.portfolio-modal-image {
    position: relative;
    height: 100%;
    min-height: 400px;
    overflow: hidden;
}

.portfolio-modal-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.portfolio-modal-details {
    padding: 50px 40px;
}

.modal-category {
    display: inline-block;
    padding: 8px 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 20px;
}

.modal-title {
    font-size: 32px;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 15px;
    line-height: 1.3;
}

.modal-description {
    font-size: 16px;
    color: #64748b;
    line-height: 1.8;
    margin-bottom: 30px;
}

.modal-info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 30px;
    padding: 25px;
    background: #f8f9ff;
    border-radius: 16px;
}

.modal-info-item h4 {
    font-size: 13px;
    font-weight: 600;
    color: #64748b;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.modal-info-item p {
    font-size: 16px;
    font-weight: 600;
    color: #1e293b;
}

.modal-features {
    margin-bottom: 30px;
}

.modal-features h4 {
    font-size: 18px;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 15px;
}

.modal-features ul {
    list-style: none;
    padding: 0;
}

.modal-features li {
    padding: 10px 0;
    padding-right: 30px;
    position: relative;
    font-size: 15px;
    color: #64748b;
    line-height: 1.6;
}

.modal-features li::before {
    content: '✓';
    position: absolute;
    right: 0;
    top: 10px;
    width: 20px;
    height: 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: bold;
}

.modal-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
    justify-content: center;
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

.modal-cta-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(102, 126, 234, 0.4);
}

.modal-cta-btn svg {
    transition: transform 0.3s ease;
}

.modal-cta-btn:hover svg {
    transform: translateX(-5px);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .portfolio-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        gap: 25px;
    }

    .portfolio-modal-body {
        grid-template-columns: 1fr;
    }

    .portfolio-modal-image {
        min-height: 300px;
    }

    .modal-info-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
}

@media (max-width: 768px) {
    .portfolio-section {
        padding: 60px 0;
    }

    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .portfolio-filters {
        gap: 8px;
    }

    .filter-btn {
        padding: 10px 20px;
        font-size: 14px;
    }

    .portfolio-modal-details {
        padding: 30px 20px;
    }

    .modal-title {
        font-size: 24px;
    }

    .modal-cta-btn {
        font-size: 14px;
        padding: 14px 24px;
    }
}