* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, Helvetica, sans-serif;
}

body {
    background: #fff;
    color: #111;
}

/* HEADER */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
    background: #f7f7f7;
    border-bottom: 2px solid #c40000;
}

.logo {
    width: 220px;
    height: auto;
}

/* MENU */
.menu a {
    margin-left: 20px;
    text-decoration: none;
    color: #c40000;
    font-weight: 800;
}

.menu a:hover {
    text-decoration: underline;
}

/* HERO */
.hero {
    text-align: center;
    padding: 60px 20px;
    background: linear-gradient(135deg, #000, #1a1a1a);
}

.hero h1 {
    color: #c40000;
    font-size: 36px;
}

.hero p {
    color: #ccc;
    margin-top: 10px;
}

/* PRODUCTS */
.products {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 25px;
    padding: 50px;
}

.product-card {
    background: #1b1b1b;
    border-radius: 10px;
    overflow: hidden;
    transition: 0.3s;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 0 15px rgba(196,0,0,0.4);
}

.product-img {
    height: 200px;
    background: #333;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #aaa;
}

.product-info {
    padding: 15px;
}

.product-info h3 {
    font-size: 16px;
    margin-bottom: 8px;
}

.price {
    color: #c40000;
    font-weight: bold;
    margin-bottom: 10px;
}

.product-info button {
    width: 100%;
    padding: 10px;
    background: #c40000;
    border: none;
    color: #fff;
    font-weight: bold;
    cursor: pointer;
    border-radius: 5px;
}

.product-info button:hover {
    background: #a00000;
}

/* FOOTER */
.footer {
    background: #000;
    color: #777;
    text-align: center;
    padding: 20px;
}
/* KATEGORİLER */
.categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px,1fr));
    gap: 25px;
    padding: 50px;
}

.category-card {
    background: #111;
    color: #fff;
    padding: 50px 20px;
    text-align: center;
    font-size: 22px;
    font-weight: bold;
    border-radius: 10px;
    cursor: pointer;
    transition: 0.3s;
}

.category-card:hover {
    background: #c40000;
}
@media (max-width: 768px) {

    /* HEADER */
    .header {
        flex-direction: column;
        padding: 15px 20px;
        gap: 15px;
    }

    .logo {
        width: 180px;
        height: auto;
    }

    .menu {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
    }

    .menu a {
        margin-left: 0;
        font-size: 16px;
    }

    /* HERO */
    .hero {
        padding: 40px 15px;
    }

    .hero h1 {
        font-size: 26px;
    }

    .hero p {
        font-size: 16px;
    }

    /* KATEGORİLER */
    .categories {
        grid-template-columns: 1fr;
        padding: 30px 20px;
    }

    .category-card {
        padding: 25px;
        font-size: 18px;
    }

    /* ÜRÜNLER */
    .products {
        grid-template-columns: 1fr;
        padding: 30px 20px;
    }

    .product-img {
        height: 160px;
    }

    /* HAKKIMIZDA */
    .about-page {
        margin: 40px auto;
        padding: 0 15px;
    }

    .about-page h1 {
        font-size: 26px;
    }

    .about-page h2 {
        font-size: 20px;
    }
}