.portfolio-section { margin-bottom: 60px; }

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 30px;
}

.portfolio-card {
    background: rgba(255,255,255,0.08);
    border-radius: 20px;
    padding: 40px;
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255,255,255,0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    display: block;
    color: inherit;
}

.portfolio-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(90deg, #4facfe 0%, #00f2fe 100%);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.portfolio-card:hover { transform: translateY(-8px); box-shadow: 0 20px 40px rgba(79,172,254,0.3); }
.portfolio-card:hover::before { transform: scaleX(1); }

.portfolio-card-header { display: flex; align-items: center; gap: 15px; margin-bottom: 20px; }

.portfolio-icon {
    width: 60px; height: 60px;
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.8rem; color: white; flex-shrink: 0;
}

.portfolio-card-title { font-size: 1.5rem; font-weight: 600; color: #ffffff; margin: 0; }
.portfolio-card-description { color: #d1d5db; line-height: 1.7; margin-bottom: 20px; font-size: 1rem; }

.portfolio-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }

.portfolio-tag {
    background: rgba(79,172,254,0.15);
    border: 1px solid rgba(79,172,254,0.3);
    color: #4facfe;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
}

.portfolio-link-wrapper {
    display: flex; align-items: center; gap: 10px;
    color: #4facfe; font-weight: 500; margin-top: 20px;
    text-decoration: none;
}

.portfolio-link-wrapper:hover { color: #00f2fe; text-decoration: none; }
.portfolio-link-wrapper:visited { color: #4facfe; }
.portfolio-link-wrapper i { transition: transform 0.3s ease; }
.portfolio-card:hover .portfolio-link-wrapper i { transform: translateX(5px); }

@media (max-width: 768px) {
    .portfolio-grid { grid-template-columns: 1fr; }
    .portfolio-card { padding: 30px; }
}