/* GOTYXAN-PRO - Rick Owens Black Minimalism */
:root {
    --black: #000000;
    --white: #FFFFFF;
    --gray: #1A1A1A;
    --light-gray: #2A2A2A;
    --border: #333333;
    --text: #FFFFFF;
    --text-secondary: #888888;
}

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

body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    background: var(--black);
    color: var(--text);
    font-weight: 300;
    letter-spacing: 0.5px;
    min-height: 100vh;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

/* 🔳 NAVIGATION - Black Bar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--black);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    padding: 25px 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 40px;
}

.logo {
    font-family: 'Helvetica Neue', sans-serif;
    font-size: 20px;
    font-weight: 300;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--white);
}

.logo span:nth-child(2) {
    font-weight: 400;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 50px;
}

.nav-menu a {
    color: var(--white);
    text-decoration: none;
    font-size: 12px;
    font-weight: 300;
    letter-spacing: 2px;
    text-transform: uppercase;
    transition: opacity 0.3s;
    opacity: 0.7;
}

.nav-menu a:hover,
.nav-menu a.active {
    opacity: 1;
}

.cart-count {
    background: var(--white);
    color: var(--black);
    font-size: 10px;
    padding: 2px 6px;
    margin-left: 5px;
    border-radius: 50%;
}

/* 🖤 HERO SECTION */
.hero {
    margin-top: 100px;
    height: 90vh;
    background: var(--black);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(rgba(0,0,0,0.9), rgba(0,0,0,0.7)),
                url('https://cdn.shopify.com/s/files/1/0266/5765/9343/files/RICKOWENS_HEADER_1_1800x.jpg?v=1614296715');
    background-size: cover;
    background-position: center;
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: 64px;
    font-weight: 300;
    letter-spacing: 12px;
    text-transform: uppercase;
    margin-bottom: 20px;
    line-height: 1;
}

.hero-subtitle {
    font-size: 14px;
    letter-spacing: 5px;
    text-transform: uppercase;
    margin-bottom: 40px;
    opacity: 0.7;
}

.btn {
    background: var(--white);
    color: var(--black);
    border: 1px solid var(--white);
    padding: 18px 50px;
    font-size: 12px;
    letter-spacing: 3px;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
    font-weight: 400;
}

.btn:hover {
    background: var(--black);
    color: var(--white);
}

/* 🛒 SHOP PAGE */
.shop-section {
    padding: 150px 0 100px;
    background: var(--black);
}

.section-title {
    font-size: 14px;
    letter-spacing: 4px;
    text-transform: uppercase;
    text-align: center;
    margin-bottom: 80px;
    font-weight: 300;
    opacity: 0.7;
}

/* Filter Tabs */
.filter-tabs {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 60px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
}

.filter-tab {
    background: none;
    border: none;
    font-size: 11px;
    letter-spacing: 3px;
    text-transform: uppercase;
    cursor: pointer;
    padding: 5px 0;
    color: var(--white);
    opacity: 0.5;
    position: relative;
    font-weight: 300;
}

.filter-tab.active {
    opacity: 1;
}

.filter-tab.active::after {
    content: '';
    position: absolute;
    bottom: -21px;
    left: 0;
    width: 100%;
    height: 1px;
    background: var(--white);
}

/* Products Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 50px;
    padding: 20px 0;
}

.product-card {
    background: var(--black);
    position: relative;
    transition: transform 0.3s;
}

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

.product-image {
    width: 100%;
    height: 500px;
    object-fit: cover;
    background: var(--gray);
    margin-bottom: 20px;
}

.product-info {
    text-align: center;
}

.product-brand {
    font-size: 11px;
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 10px;
    opacity: 0.7;
    font-weight: 300;
}

.product-name {
    font-size: 14px;
    font-weight: 300;
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.product-price {
    font-size: 14px;
    font-weight: 300;
    margin-bottom: 20px;
}

.product-price span {
    text-decoration: line-through;
    opacity: 0.5;
    margin-right: 10px;
}

.btn-add {
    background: var(--black);
    color: var(--white);
    border: 1px solid var(--white);
    padding: 15px 30px;
    font-size: 11px;
    letter-spacing: 3px;
    text-transform: uppercase;
    cursor: pointer;
    width: 100%;
    transition: all 0.3s;
    font-weight: 300;
}

.btn-add:hover {
    background: var(--white);
    color: var(--black);
}

/* CART PAGE */
.cart-section {
    padding: 150px 0 100px;
    background: var(--black);
    min-height: 80vh;
}

.cart-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 100px;
}

.cart-items {
    border-top: 1px solid var(--border);
}

.cart-item {
    display: flex;
    padding: 40px 0;
    border-bottom: 1px solid var(--border);
    gap: 40px;
    align-items: center;
}

.cart-item-image {
    width: 180px;
    height: 180px;
    object-fit: cover;
    background: var(--gray);
}

.cart-item-details {
    flex: 1;
}

.cart-item-brand {
    font-size: 11px;
    letter-spacing: 3px;
    text-transform: uppercase;
    opacity: 0.7;
    margin-bottom: 10px;
    font-weight: 300;
}

.cart-item-name {
    font-size: 14px;
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 300;
}

.cart-item-price {
    font-size: 14px;
    margin-bottom: 25px;
    font-weight: 300;
}

.quantity-control {
    display: flex;
    align-items: center;
    gap: 20px;
}

.quantity-btn {
    background: var(--black);
    border: 1px solid var(--white);
    color: var(--white);
    width: 40px;
    height: 40px;
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}

.quantity-btn:hover {
    background: var(--white);
    color: var(--black);
}

.remove-item {
    background: none;
    border: none;
    font-size: 11px;
    letter-spacing: 3px;
    text-transform: uppercase;
    cursor: pointer;
    margin-top: 20px;
    color: var(--white);
    opacity: 0.7;
    text-decoration: underline;
    transition: opacity 0.3s;
}

.remove-item:hover {
    opacity: 1;
}

/* Order Summary */
.order-summary {
    position: sticky;
    top: 150px;
    padding: 40px;
    border: 1px solid var(--border);
}

.summary-title {
    font-size: 14px;
    letter-spacing: 4px;
    text-transform: uppercase;
    margin-bottom: 40px;
    font-weight: 300;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    padding: 15px 0;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
    font-weight: 300;
}

.summary-row.total {
    border-bottom: none;
    font-size: 16px;
    font-weight: 400;
    padding-top: 30px;
}

.btn-checkout {
    width: 100%;
    margin-top: 40px;
    padding: 20px;
    font-size: 12px;
    letter-spacing: 4px;
}

/* CHECKOUT PAGE */
.checkout-section {
    padding: 150px 0 100px;
    background: var(--black);
    min-height: 80vh;
}

.checkout-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 100px;
}

.checkout-form {
    padding-right: 50px;
    border-right: 1px solid var(--border);
}

.checkout-form h3 {
    font-size: 14px;
    letter-spacing: 4px;
    text-transform: uppercase;
    margin-bottom: 40px;
    font-weight: 300;
}

.form-group {
    margin-bottom: 30px;
}

.form-group label {
    display: block;
    font-size: 11px;
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 15px;
    opacity: 0.7;
    font-weight: 300;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 15px 0;
    background: none;
    border: none;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
    color: var(--white);
    font-family: 'Helvetica Neue', sans-serif;
    font-weight: 300;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-bottom-color: var(--white);
}

.payment-methods {
    margin: 50px 0;
}

.payment-option {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
    font-size: 14px;
    cursor: pointer;
    font-weight: 300;
}

.btn-pay {
    width: 100%;
    padding: 20px;
    font-size: 12px;
    letter-spacing: 4px;
    margin-top: 30px;
}

/* FOOTER */
.footer {
    padding: 80px 0;
    border-top: 1px solid var(--border);
    text-align: center;
    background: var(--black);
}

.footer p {
    font-size: 11px;
    letter-spacing: 3px;
    text-transform: uppercase;
    opacity: 0.5;
    font-weight: 300;
}

/* RESPONSIVE */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hero h1 {
        font-size: 36px;
        letter-spacing: 8px;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .cart-container,
    .checkout-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .checkout-form {
        padding-right: 0;
        border-right: none;
        border-bottom: 1px solid var(--border);
        padding-bottom: 40px;
    }
    
    .cart-item {
        flex-direction: column;
        text-align: center;
        gap: 30px;
    }
    
    .cart-item-image {
        width: 100%;
        height: 300px;
    }
    
    .container {
        padding: 0 20px;
    }
    
    .filter-tabs {
        flex-wrap: wrap;
        gap: 20px;
    }
}