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

body {
    background: #f3f4f6;
    overflow: hidden;
}

.catalog-wrapper {
    width: 100vw;
    height: 100vh;
    position: relative;
}

/* SAYFA ALANI */
.pages {
    display: flex;
    height: 100%;
    transition: transform 0.6s ease;
}

/* TEK SAYFA */
.page {
    min-width: 100vw;
    padding: 40px;
    background: linear-gradient(135deg, #672c7a, #2e013d);
}

/* KAPAK */
.cover {
    background: linear-gradient(135deg, #672c7a, #2e013d);
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
}

.cover-content {
    text-align: center;
}

.cover-logo {
    width: 160px;
    margin-bottom: 20px;
}

.cover h1 {
    font-size: 36px;
    margin-bottom: 10px;
}

.cover p {
    font-size: 18px;
    opacity: 0.8;
}

/* ÜRÜN GRID */
.products {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

/* ÜRÜN KART */
.product {
    border-radius: 14px;
    padding: 15px;
    background: #faca1c;
    cursor: pointer;
    transition: 0.3s;
}

.product:hover {
    transform: translateY(-5px);
}

.product img {
    width: 100%;
    height: 140px;
    object-fit: contain;
}

.product h4 {
    margin-top: 10px;
    font-size: 15px;
}

.product span {
    font-size: 13px;
    color: #475569;
}

/* NAV */
.nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: #672c7a;
    color: #faca1c;
    font-size: 40px;
    border: none;
    padding: 5px 15px;
    cursor: pointer;
}

.prev { left: 10px; }
.next { right: 10px; }

/* SAYFA NUMARA */
.page-info {
    position: absolute;
    bottom: 15px;
    right: 20px;
    color: #475569;
}

/* MODAL */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    justify-content: center;
    align-items: center;
}

.modal-box {
    background: #faca1c;
    width: 90%;
    max-width: 400px;
    padding: 20px;
    border-radius: 14px;
}

.modal-box img {
    width: 100%;
    height: 180px;
    object-fit: contain;
}

.close {
    float: right;
    cursor: pointer;
}

/* MOBİL */
@media(max-width:768px){
    .products {
        grid-template-columns: repeat(2, 1fr);
    }
}
.slogan{
    font-size:18px;
    margin-bottom:30px;
    opacity:.85;
}

.brand-filter{
    display:flex;
    gap:15px;
    justify-content:center;
    align-items:center;
}

.brand-filter select{
    padding:12px 16px;
    border-radius:10px;
    border:none;
    font-size:15px;
}

.brand-filter button{
    padding:12px 20px;
    border-radius:10px;
    border:none;
    background:#672c7a;
    color:#fff;
    font-size:15px;
    cursor:pointer;
}

.brand-filter button:hover{
    background:#1d4ed8;
}