.portfolio {
    background: var(--bg-primary);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.project-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    background: var(--bg-secondary);
    transition: transform 0.55s var(--ease), box-shadow 0.55s var(--ease), border-color 0.4s ease;
}

.project-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-hover);
    box-shadow: 0 28px 56px rgba(0, 0, 0, 0.32);
}

.project-preview {
    aspect-ratio: 16 / 10;
    background: #080c14;
    padding: 1.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.project-preview--alt { background: #0a0e18; }
.project-preview--warm { background: #0c101a; }

.project-overlay {
    position: absolute;
    inset: 0;
    background: rgba(5, 7, 13, 0.75);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.625rem;
    opacity: 0;
    transition: opacity 0.45s var(--ease);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.portfolio-mock {
    width: 88%;
    height: 80%;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
    transition: transform 0.55s var(--ease);
}

.project-card:hover .portfolio-mock {
    transform: scale(1.03);
}

.portfolio-mock--featured {
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
}

.portfolio-mock__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
    display: block;
}

.project-body {
    padding: 1.75rem 1.75rem 2rem;
}

.project-body h3 {
    margin-bottom: 0.625rem;
}

.project-body p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1.125rem;
}

.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tech-stack li {
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    padding: 0.3125rem 0.625rem;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    color: var(--text-muted);
}

/* Mock site (shared with hero) */
.mock-site--card { height: 100%; }
.mock-site--card .mock-site__hero h4 { font-size: 6px; }
.mock-site--card .mock-site__cta { width: 22px; height: 5px; }
.mock-site--warm { background: #0f0d12; }
.mock-site--warm .mock-site__hero { background: radial-gradient(ellipse at 50% 80%, rgba(180, 120, 80, 0.12) 0%, transparent 60%); }
.mock-site--slate { background: #0a0c12; }
.mock-site--slate .mock-site__hero { background: radial-gradient(ellipse at 70% 30%, rgba(100, 120, 160, 0.1) 0%, transparent 60%); }

@media (max-width: 1024px) {
    .portfolio-grid {
        grid-template-columns: 1fr;
        max-width: 520px;
        margin: 0 auto;
    }
}

@media (max-width: 480px) {
    .project-overlay {
        opacity: 1;
        background: linear-gradient(to top, rgba(5, 7, 13, 0.8) 0%, transparent 50%);
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        align-items: flex-end;
        padding-bottom: 1rem;
    }
}