/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.7rem 1.25rem;
    font-family: inherit;
    font-size: var(--font-size-sm);
    font-weight: 600;
    line-height: 1.2;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition);
}

.btn:hover { transform: translateY(-1px); }

.btn-primary {
    background: var(--color-primary);
    color: var(--color-primary-contrast);
    box-shadow: var(--shadow-xs);
    background-image: none;
}

.btn-primary:hover {
    background: var(--color-primary-hover);
    box-shadow: var(--shadow-sm);
}

.btn-secondary {
    background: var(--color-surface);
    color: var(--color-text);
    border-color: var(--color-border);
}

.btn-secondary:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn-whatsapp {
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, #25d366 0%, #20ba5a 100%);
    color: #fff;
    box-shadow: 0 8px 20px rgb(37 211 102 / 0.25);
}

.btn-whatsapp:hover { box-shadow: 0 12px 28px rgb(37 211 102 / 0.35); }

/* Cards & grids */
.categories-grid,
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 280px), 1fr));
    gap: clamp(1rem, 2.5vw, 1.75rem);
}

.category-card,
.product-card {
    background: transparent;
    border: none;
    box-shadow: none;
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: transform var(--transition-slow);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.category-card:hover,
.product-card:hover {
    transform: translateY(-4px);
    box-shadow: none;
    border-color: transparent;
}

.category-image,
.product-image {
    position: relative;
    aspect-ratio: 4 / 3;
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: var(--color-surface);
    box-shadow: var(--shadow-sm);
}

.category-image > a,
.product-image > a {
    display: block;
    width: 100%;
    height: 100%;
    color: inherit;
}

.category-image img,
.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.category-card:hover .category-image img,
.product-card:hover .product-image img {
    transform: scale(1.05);
}

.category-info,
.product-info {
    padding: 1rem 0.15rem 0.25rem;
    background: transparent;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    flex: 1;
}

.category-info h3,
.product-info h3 {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1.3;
}

.category-info p,
.product-info p {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    flex: 1;
}

.product-badge {
    position: absolute;
    top: 0.75rem;
    left: 0.75rem;
    z-index: 2;
    background: var(--color-accent);
    color: #fff;
    font-size: var(--font-size-xs);
    font-weight: 700;
    padding: 0.35rem 0.65rem;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-sm);
}

/* Forms */
.form-group { margin-bottom: 1.25rem; }

.form-group label {
    display: block;
    font-weight: 600;
    font-size: var(--font-size-sm);
    margin-bottom: 0.5rem;
    color: var(--color-text);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font: inherit;
    background: var(--color-surface);
    transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgb(15 118 110 / 0.12);
}

.contact-form,
.product-contact-form {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: clamp(1.5rem, 3vw, 2rem);
    box-shadow: var(--shadow-sm);
}

/* WhatsApp floating */
.whatsapp-fixed-button {
    position: fixed;
    z-index: 9999;
    animation: waFloat 3s ease-in-out infinite;
}

@keyframes waFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

.whatsapp-position-bottom-right { bottom: 1.5rem; right: 1.5rem; }
.whatsapp-position-bottom-left { bottom: 1.5rem; left: 1.5rem; }
.whatsapp-position-top-right { top: 5.5rem; right: 1.5rem; }
.whatsapp-position-top-left { top: 5.5rem; left: 1.5rem; }

.whatsapp-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.9rem 1.25rem;
    background: linear-gradient(135deg, #25d366 0%, #20ba5a 100%);
    color: #fff;
    font-weight: 700;
    font-size: var(--font-size-sm);
    border-radius: var(--radius-full);
    box-shadow: 0 10px 28px rgb(37 211 102 / 0.35);
    white-space: nowrap;
}

.whatsapp-btn:hover {
    transform: scale(1.04);
    box-shadow: 0 14px 32px rgb(37 211 102 / 0.42);
}

.whatsapp-icon { font-size: 1.35rem; line-height: 1; }

/* Breadcrumb & page headers */
.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: 1rem;
}

.breadcrumb a:hover { color: var(--color-primary); }

.page-header {
    padding-block: clamp(2rem, 4vw, 3rem);
    background: var(--color-surface);
    color: var(--color-text);
    border-bottom: 1px solid var(--color-border);
}

.page-header h1 {
    color: var(--color-text);
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    letter-spacing: -0.03em;
}

.page-header p { color: var(--color-text-muted); margin-top: 0.5rem; }