/* ===== Portfolio Hero Section ===== */
.portfolio-hero {
    position: relative;
    background: url('waterfall.jpg') center/cover no-repeat;
    padding: 120px 20px 80px;
    color: var(--white);
    text-align: center;
}

.portfolio-hero .hero-overlay {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1;
}

.portfolio-hero .hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    margin: 0 auto;
}

.portfolio-hero h1 {
    font-size: 3rem;
    margin-bottom: 15px;
}

.portfolio-hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
}

/* ===== Filter Buttons ===== */
.hero-filters {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin-bottom: 30px;
}

.filter-btn {
    padding: 10px 18px;
    border: none;
    border-radius: 6px;
    background: var(--gold);
    color: var(--white);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: 0.3s;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--soft-black);
}

/* ===== Portfolio Grid ===== */
.portfolio {
    padding: 80px 20px;
}

.portfolio .grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.portfolio-item {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    cursor: pointer;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

/* Smooth hover scale */
.portfolio-item:hover {
    transform: scale(1.03);
}

/* Image inside item */
.portfolio-item img {
    width: 100%;
    display: block;
    border-radius: 12px;
}

/* Overlay for hover effect */
.portfolio-item .overlay {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: 0.3s;
    border-radius: 12px;
}

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

.portfolio-item .overlay h3 {
    color: var(--white);
    font-size: 1.5rem;
}

/* ===== Hidden state for filtering ===== */
.portfolio-item.hide {
    opacity: 0;
    transform: scale(0.95);
    pointer-events: none;
    display: none; /* prevent overlap in grid */
}

/* ===== CTA Section ===== */
.cta-consultation {
    padding: 80px 20px;
    background: var(--gold);
    color: var(--white);
    text-align: center;
    border-radius: 12px;
    margin: 60px 20px;
}

.cta-consultation h2 {
    font-size: 2rem;
    margin-bottom: 25px;
}

.cta-consultation .btn-primary {
    padding: 12px 30px;
    background: var(--soft-black);
    color: var(--white);
    font-weight: 600;
    border-radius: 8px;
    text-decoration: none;
    transition: 0.3s;
}

.cta-consultation .btn-primary:hover {
    background: var(--white);
    color: var(--soft-black);
}

/* ===== Responsive ===== */
@media(max-width: 768px) {
    .portfolio-hero h1 {
        font-size: 2.2rem;
    }

    .portfolio-hero p {
        font-size: 1rem;
    }

    .filter-btn {
        padding: 8px 14px;
        font-size: 0.85rem;
    }
}

@media(max-width: 480px) {
    .portfolio-hero {
        padding: 80px 15px 50px;
    }

    .cta-consultation {
        padding: 50px 15px;
        margin: 40px 15px;
    }

    .filter-btn {
        padding: 6px 10px;
        font-size: 0.8rem;
    }
}