* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: Arial, sans-serif;
    background: #f5f7fa;
    color: #222;
}


/* NAVBAR */

header {
    background: #111827;
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar {
    max-width: 1200px;
    margin: auto;

    padding: 15px 25px;

    display: flex;
    align-items: center;
    justify-content: space-between;

    gap: 20px;
}

.logo {
    color: #38bdf8;
}

.search-box {
    flex: 1;
    max-width: 500px;
}

.search-box input {
    width: 100%;
    padding: 12px 15px;

    border: none;
    outline: none;

    border-radius: 25px;
}

.cart-btn {
    background: #38bdf8;
    border: none;

    padding: 11px 17px;

    border-radius: 6px;

    cursor: pointer;

    font-weight: bold;
}

#cartCount {
    background: #111827;
    color: white;

    padding: 3px 7px;

    border-radius: 50%;
}


/* HERO */

.hero {
    min-height: 420px;

    display: flex;
    justify-content: center;
    align-items: center;

    text-align: center;

    padding: 30px;

    background:
        linear-gradient(135deg, #1e3a8a, #0f172a);

    color: white;
}

.hero h1 {
    font-size: 50px;
    margin-bottom: 15px;
}

.hero p {
    font-size: 19px;
    margin-bottom: 30px;
}

.shop-btn {
    display: inline-block;

    background: #38bdf8;
    color: #111827;

    padding: 13px 25px;

    border-radius: 7px;

    text-decoration: none;

    font-weight: bold;
}


/* CATEGORY */

.categories {
    padding: 30px 20px;

    display: flex;
    justify-content: center;
    flex-wrap: wrap;

    gap: 10px;
}

.category-btn {
    padding: 10px 20px;

    border: 1px solid #1e3a8a;

    background: white;
    color: #1e3a8a;

    border-radius: 20px;

    cursor: pointer;
}

.category-btn:hover,
.category-btn.active {
    background: #1e3a8a;
    color: white;
}


/* PRODUCTS */

main {
    max-width: 1200px;
    margin: auto;

    padding: 20px;
}

.section-title {
    text-align: center;

    font-size: 35px;

    margin-bottom: 35px;
}

.product-container {
    display: grid;

    grid-template-columns:
        repeat(auto-fit, minmax(230px, 1fr));

    gap: 25px;

    margin-bottom: 80px;
}

.product-card {
    background: white;

    border-radius: 12px;

    overflow: hidden;

    box-shadow:
        0 4px 15px rgba(0,0,0,0.1);

    transition: 0.3s;
}

.product-card:hover {
    transform: translateY(-8px);
}

.product-image {
    height: 180px;

    display: flex;
    justify-content: center;
    align-items: center;

    font-size: 75px;

    background: #e2e8f0;
}

.product-info {
    padding: 20px;
}

.product-info h3 {
    margin-bottom: 10px;
}

.category {
    color: #64748b;

    font-size: 14px;

    text-transform: capitalize;

    margin-bottom: 10px;
}

.price {
    color: #1e3a8a;

    font-size: 22px;

    font-weight: bold;

    margin-bottom: 15px;
}

.add-btn {
    width: 100%;

    padding: 11px;

    border: none;

    background: #1e3a8a;
    color: white;

    border-radius: 6px;

    cursor: pointer;
}

.add-btn:hover {
    background: #38bdf8;
    color: #111827;
}


/* CART */

.cart-panel {
    position: fixed;

    right: -420px;
    top: 0;

    width: 400px;
    max-width: 90%;

    height: 100%;

    background: white;

    z-index: 1001;

    padding: 20px;

    transition: 0.4s;

    overflow-y: auto;
}

.cart-panel.open {
    right: 0;
}

.cart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;

    border-bottom: 1px solid #ddd;

    padding-bottom: 15px;
}

.cart-header button {
    border: none;
    background: transparent;

    font-size: 22px;

    cursor: pointer;
}

.cart-item {
    padding: 18px 0;

    border-bottom: 1px solid #ddd;
}

.cart-item-top {
    display: flex;
    justify-content: space-between;
}

.quantity {
    display: flex;
    align-items: center;

    gap: 10px;

    margin-top: 12px;
}

.quantity button {
    width: 30px;
    height: 30px;

    border: none;

    background: #1e3a8a;
    color: white;

    cursor: pointer;

    border-radius: 4px;
}

.remove-btn {
    background: #dc2626 !important;
}

.cart-footer {
    margin-top: 25px;
}

.checkout-btn {
    width: 100%;

    margin-top: 15px;

    padding: 13px;

    border: none;

    background: #16a34a;
    color: white;

    border-radius: 6px;

    font-size: 16px;

    cursor: pointer;
}


/* OVERLAY */

.overlay {
    display: none;

    position: fixed;

    inset: 0;

    background: rgba(0,0,0,0.5);

    z-index: 1000;
}

.overlay.show {
    display: block;
}


/* FOOTER */

footer {
    background: #111827;
    color: white;

    text-align: center;

    padding: 30px;
}

footer h3 {
    color: #38bdf8;

    margin-bottom: 10px;
}


/* MOBILE */

@media(max-width: 700px) {

    .navbar {
        flex-wrap: wrap;
    }

    .search-box {
        order: 3;

        flex-basis: 100%;

        max-width: none;
    }

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

    .hero {
        min-height: 350px;
    }
}