:root {
    --primary-yellow: #FFD700;
    --dark-yellow: #E5C100;
    --text-dark: #2c2c2c;
    --text-light: #666;
    --white: #ffffff;
}

/* ---- Navegação por categoria ---- */
.category-nav-produtos {
    margin-bottom: 56px;
}

.category-nav-title {
    text-align: center;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--text-light);
    margin-bottom: 24px;
}

.category-nav-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 1000px;
    margin: 0 auto;
}

.category-nav-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 32px 24px;
    background: var(--white);
    border-radius: 20px;
    text-decoration: none;
    color: var(--text-dark);
    border: 2px solid #eee;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
    transition: all 0.35s ease;
    position: relative;
    overflow: hidden;
}

.category-nav-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-yellow), var(--dark-yellow));
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 0.35s ease;
}

.category-nav-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary-yellow);
    box-shadow: 0 16px 40px rgba(255, 215, 0, 0.2);
}

.category-nav-card:hover::before {
    transform: scaleX(1);
}

.category-nav-icon {
    font-size: 40px;
    margin-bottom: 16px;
    line-height: 1;
    opacity: 0.9;
    transition: transform 0.3s ease;
}

.category-nav-card:hover .category-nav-icon {
    transform: scale(1.1);
}

.category-nav-name {
    font-family: 'Playfair Display', serif;
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: 0.5px;
}

.category-nav-desc {
    font-size: 13px;
    color: var(--text-light);
    margin-bottom: 16px;
    line-height: 1.4;
}

.category-nav-arrow {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--primary-yellow);
    transition: transform 0.25s ease;
}

.category-nav-card:hover .category-nav-arrow {
    transform: translateX(4px);
}

.category-nav-cc .category-nav-arrow { color: #c9a227; }
.category-nav-ca .category-nav-arrow { color: #b8860b; }
.category-nav-plasma .category-nav-arrow { color: #daa520; }

.category-nav-cc:hover { border-color: #c9a227; }
.category-nav-ca:hover { border-color: #b8860b; }
.category-nav-plasma:hover { border-color: #daa520; }

@media (max-width: 768px) {
    .category-nav-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .category-nav-card {
        padding: 22px 18px;
    }

    .category-nav-icon {
        display: none;
    }

    .category-nav-name {
        font-size: 20px;
    }
}

@media (max-width: 480px) {
    .category-nav-produtos {
        margin-bottom: 36px;
    }

    .category-nav-title {
        font-size: 12px;
        letter-spacing: 2px;
        margin-bottom: 16px;
    }

    .category-nav-grid {
        gap: 12px;
    }

    .category-nav-card {
        padding: 20px 14px;
        border-radius: 16px;
    }

    .category-nav-name {
        font-size: 18px;
    }

    .category-nav-desc {
        font-size: 12px;
        margin-bottom: 12px;
    }

    .category-nav-arrow {
        font-size: 11px;
        letter-spacing: 1px;
    }
}