.portfolio-hero {
    padding: 3rem 4rem 3rem;
    max-width: 900px;
    margin: 0 auto;
}

.portfolio-filters {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 3rem;
    justify-content: center;
}

.filter-btn {
    padding: 0.5rem 1.5rem;
    border: 2px solid rgba(255,255,255,0.2);
    background: transparent;
    color: var(--gray);
    border-radius: 30px;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: all 0.3s;
    font-family: inherit;
}

.filter-btn:hover,
.filter-btn.active {
    border-color: var(--red);
    color: var(--white);
    background: rgba(214,9,9,0.1);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.portfolio-card {
    background: var(--dark-gray);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s;
}

.portfolio-card:hover {
    border-color: rgba(214,9,9,0.3);
    transform: translateY(-5px);
}

.portfolio-thumb {
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
}

.portfolio-placeholder {
    width: 100%;
    height: 100%;
    background: #111;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray);
    font-size: 0.85rem;
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s;
}

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

.portfolio-info {
    padding: 1.5rem;
}

.portfolio-category {
    font-size: 0.75rem;
    color: var(--red);
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    display: block;
    margin-bottom: 0.5rem;
}

.portfolio-info h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--white);
}

.portfolio-info p {
    color: var(--gray);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.portfolio-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.tag {
    background: rgba(255,255,255,0.06);
    color: var(--gray);
    padding: 0.25rem 0.75rem;
    border-radius: 30px;
    font-size: 0.75rem;
}

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

.cta-section-red {
    background: var(--red);
    padding: 6rem 4rem;
    text-align: center;
}

.cta-section-red h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 1rem;
}

.cta-section-red p {
    color: rgba(255,255,255,0.8);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.cta-section-red .btn-secondary {
    border-color: var(--white);
    color: var(--white);
}

.cta-section-red .btn-secondary:hover {
    background: var(--white);
    color: var(--red);
}

@media (max-width: 1024px) {
    .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .portfolio-hero {
        padding: 2rem 1.5rem 2rem;
    }

    .portfolio-grid { grid-template-columns: 1fr; }
    .portfolio-filters { gap: 0.5rem; }
    .filter-btn { font-size: 0.75rem; padding: 0.4rem 1rem; }
    .cta-section-red { padding: 4rem 1.5rem; }
}