/* Components */

/* Buttons */
.btn {
    display: inline-block;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all var(--transition-medium);
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-text-inverted);
}

.btn-primary:hover {
    background-color: var(--color-accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background-color: transparent;
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn-outline:hover {
    background-color: var(--color-primary);
    color: var(--color-text-inverted);
}

/* Navbar */
.navbar {
    background-color: var(--color-bg-white);
    padding: var(--space-sm) 0;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--color-primary);
    letter-spacing: -0.5px;
}

.logo-num {
    display: inline-block;
    position: relative;
    top: -0.1em;
    /* Lift the 4 to match cap-height of letters */
}

/* Also ensure footer H4 4 is styled if outside .logo block, but simple class usage handles it */
h4 .logo-num {
    top: 0;
    /* Heading font might behave differently at smaller sizes, or check visuals. 
             Actually, let's keep it consistent unless broken. */
    top: -0.05em;
}

.logo span {
    color: var(--color-accent);
}

.nav-links {
    display: flex;
    gap: var(--space-md);
}

.nav-links a {
    color: var(--color-text-main);
    font-weight: 500;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--color-primary);
}

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    background: none;
    border: none;
    cursor: pointer;
}

/* Product Card */
.product-card {
    background-color: var(--color-bg-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-medium);
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.product-image {
    width: 100%;
    height: 250px;
    background-color: #ddd;
    /* Placeholder */
    object-fit: cover;
}

.product-info {
    padding: var(--space-md);
}

.product-category {
    font-size: 0.8rem;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.product-title {
    font-size: 1.25rem;
    margin: var(--space-xs) 0;
}

.product-price {
    font-weight: bold;
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
}

/* Footer */
.footer {
    background-color: var(--color-primary);
    color: var(--color-text-inverted);
    padding: var(--space-lg) 0;
    margin-top: var(--space-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-lg);
}

.footer h4 {
    color: var(--color-accent);
    margin-bottom: var(--space-md);
    font-size: 1.25rem;
}

.footer a {
    color: rgba(255, 255, 255, 0.8);
    display: block;
    margin-bottom: var(--space-xs);
}

.footer a:hover {
    color: var(--color-text-inverted);
}

/* Responsiveness */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        /* Hide for now, requires JS for toggle */
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--color-bg-white);
        padding: var(--space-md);
        box-shadow: var(--shadow-md);
    }

    .nav-links.active {
        display: flex;
    }

    .mobile-menu-btn {
        display: block;
    }

    h1 {
        font-size: 2.25rem;
    }

    h2 {
        font-size: 2rem;
    }
}