/* .portfolio {
    max-width: 1200px;
    margin: 0 auto;
} */
/* 
.section-title {
    text-align: center;
    margin-bottom: 3rem;
    color: white;
}

.section-title h2 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    font-weight: 300;
}

.section-title p {
    font-size: 1.1rem;
    opacity: 0.9;
} */

.filter-container {
    display: flex;
    justify-content: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.filter-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    backdrop-filter: blur(10px);
}

.filter-btn:hover,
.filter-btn.active {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
    transform: translateY(-2px);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.portfolio-card {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 1.5rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.portfolio-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s;
}

.portfolio-card:hover::before {
    left: 100%;
}

.portfolio-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.4);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.project-title {
    color: white;
    font-size: 1.4rem;
    font-weight: 600;
    margin: 0;
}

.category-badge {
    background: linear-gradient(45deg, #ff6b6b, #ffa726);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.category-badge.disaster {
    background: linear-gradient(45deg, #e74c3c, #c0392b);
}

.category-badge.healthcare {
    background: linear-gradient(45deg, #2ecc71, #27ae60);
}

.category-badge.ecommerce {
    background: linear-gradient(45deg, #f39c12, #e67e22);
}

.category-badge.enterprise {
    background: linear-gradient(45deg, #9b59b6, #8e44ad);
}

.project-description {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
    line-height: 1.5;
    margin-bottom: 1.2rem;
}

.card-actions {
    display: flex;
    gap: 0.8rem;
}

.action-btn {
    flex: 1;
    padding: 0.6rem;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.3s ease;
    text-decoration: none;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.view-btn {
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
}

.demo-btn {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.action-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.icon {
    width: 16px;
    height: 16px;
    fill: currentColor;
}

@media (max-width: 768px) {
    .section-title h2 {
        font-size: 2rem;
    }

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

    .filter-container {
        justify-content: center;
    }
}