/* CSS Variables */
:root {
    --color-bg: #f5f5f5;
    --color-text: #000000;
    --color-text-muted: #666666;
    --color-border: #e0e0e0;
    --color-white: #ffffff;
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --transition: 0.3s ease;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Futura Now Headline Modified V2 Bold 700', 'Helvetica Neue', Arial, sans-serif;
    font-size: 14px;
    font-weight: 400;
    line-height: 1.5;
    color: var(--color-text);
    background: var(--color-bg);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    text-decoration: none;
    color: inherit;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul {
    list-style: none;
}

/* ==================== HEADER ==================== */
.header {
    padding: 30px 40px;
    text-align: right;
}

.header-right {
    display: inline-block;
    text-align: center;
}

.logo {
    display: inline-block;
    width: 150px;
    max-width: 100%;
    margin-bottom: 0;
}

.logo-img {
    width: 150px;
    max-width: 100%;
    height: auto;
    display: block;
}

.logo-text {
    position: absolute;
    clip: rect(1px, 1px, 1px, 1px);
    padding: 0;
    border: 0;
    height: 1px;
    width: 1px;
    overflow: hidden;
}

.cart-link {
    font-size: 12px;
    font-weight: 400;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--color-text-muted);
    transition: color var(--transition);
    font-family: 'Futura Now Headline Modified V2 Bold 700', 'Helvetica Neue', Arial, sans-serif;
}

.cart-link:hover,
.cart-link.active {
    color: var(--color-text);
}

.cart-count:not(:empty)::before {
    content: '(';
}

.cart-count:not(:empty)::after {
    content: ')';
}

/* ==================== MAIN PAGE - PRODUCTS GRID ==================== */
.main {
    padding: 60px 40px 60px;
    min-height: calc(100vh - 200px);
}

.layout {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 120px;
    max-width: 1800px;
    margin: 0 auto;
}

.products-grid {
    display: flex;
    justify-content: center;
    gap: 120px;
}

/* Product Card */
.product-card {
    width: 420px;
    text-align: center;
}

.product-link {
    display: block;
}

.product-image {
    position: relative;
    width: 100%;
    height: 499px;
    margin-bottom: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-image img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: none;
}

.product-image .img-secondary {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0;
}

.product-card:hover .img-primary {
    opacity: 0;
    transition: none;
}

.product-card:hover .img-secondary {
    opacity: 1;
    transition: none;
}

.product-info {
    padding: 0 10px;
}

.product-name {
    font-size: 13px;
    font-weight: 400;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}

.product-price {
    font-size: 13px;
    font-weight: 400;
    color: var(--color-text-muted);
}

.right-panel {
    display: flex;
    flex-direction: column;
    gap: 12px;
    position: sticky;
    top: 60px;
    align-items: center;
    text-align: center;
    flex-shrink: 0;
    align-self: flex-start;
    margin: 0 0 24px 0 !important;
}

.panel-cart {
    display: inline-block;
    font-size: 12px;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--color-text);
    transition: color var(--transition);
    font-family: 'Futura Now Headline Modified V2 Bold 700', 'Helvetica Neue', Arial, sans-serif;
}

.panel-cart:hover {
    color: var(--color-text-muted);
}

/* ==================== PRODUCT PAGE ==================== */
.product-page {
    padding: 24px 40px 60px;
    min-height: calc(100vh - 200px);
}

.product-top {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
}

.product-cart-link {
    font-family: 'Futura Now Headline Modified V2 Bold 700', 'Helvetica Neue', Arial, sans-serif;
    font-size: 12px;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--color-text);
    text-align: center;
}

.product-cart-link:hover {
    color: var(--color-text-muted);
}

.product-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    max-width: 1200px;
    margin: 0 auto;
}

/* Gallery */
.product-gallery {
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

.gallery-main {
    max-width: 500px;
}

.gallery-main img {
    width: 100%;
    height: auto;
}

/* Product Details */
.product-details {
    padding-top: 40px;
}

.product-title {
    font-size: 16px;
    font-weight: 400;
    letter-spacing: 1px;
    margin-bottom: 30px;
}

.product-thumbs {
    display: flex;
    gap: 12px;
    margin-bottom: 30px;
}

.thumb {
    width: 60px;
    height: 60px;
    padding: 4px;
    border: 1px solid transparent;
    background: transparent;
    cursor: pointer;
    transition: border-color var(--transition);
}

.thumb.active,
.thumb:hover {
    border-color: var(--color-text);
}

.thumb img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.product-description {
    margin-bottom: 24px;
}

.product-description ul {
    list-style: none;
}

.product-description li {
    font-size: 12px;
    letter-spacing: 0.5px;
    line-height: 1.8;
    text-transform: uppercase;
}

.product-description li::before {
    content: '— ';
}

.product-fit {
    font-size: 12px;
    letter-spacing: 0.5px;
    line-height: 1.6;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.size-chart-link {
    display: inline-block;
    font-size: 12px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    text-decoration: underline;
    margin-bottom: 24px;
}

.size-chart-link:hover {
    text-decoration: none;
}

.product-price-detail {
    font-size: 24px;
    font-weight: 400;
    margin-bottom: 24px;
}

.product-actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

.size-selector select {
    width: 100px;
    height: 44px;
    padding: 0 14px;
    font-size: 12px;
    font-family: inherit;
    border: 1px solid var(--color-text);
    background: transparent;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23000' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
}

.btn-add-to-cart {
    height: 44px;
    padding: 0 32px;
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    background: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-text);
    cursor: pointer;
    transition: all var(--transition);
}

.btn-add-to-cart:hover {
    background: var(--color-text);
    color: var(--color-white);
}

/* ==================== CART PAGE ==================== */
.cart-header-top {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    gap: 12px;
    margin-bottom: 24px;
    padding: 30px 20px 24px;
}

.cart-header-top .logo {
    display: block;
    width: 150px;
    max-width: 100%;
}

.cart-header-top .logo-img {
    width: 100%;
    height: auto;
}

.cart-header-top .panel-cart {
    font-family: 'Futura Now Headline Modified V2 Bold 700', 'Helvetica Neue', Arial, sans-serif;
    font-size: 12px;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--color-text);
}

.cart-header-top .panel-cart:hover {
    color: var(--color-text-muted);
}

.cart-page {
    padding: 40px 40px 60px;
    min-height: calc(100vh - 200px);
    max-width: 1200px;
    margin: 0 auto;
}

.cart-title {
    font-size: 16px;
    font-weight: 500;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 60px;
    text-align: center;
    font-family: 'Futura Now Headline Modified V2 Bold 700', 'Helvetica Neue', Arial, sans-serif;
}

.cart-title-link {
    color: inherit;
}

.cart-title-link:hover {
    color: inherit;
}

/* Cart Items */
.cart-items {
    margin-bottom: 60px;
}

.cart-item {
    display: flex;
    align-items: center;
    gap: 30px;
    padding: 28px 0;
}

.cart-item-image {
    width: 100px;
    height: 120px;
    object-fit: contain;
    background: transparent;
}

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

.cart-item-name {
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.5px;
}

.cart-item-quantity {
    display: flex;
    align-items: center;
    gap: 8px;
}

.cart-item-quantity span {
    font-size: 13px;
}

.cart-item-quantity select {
    width: 50px;
    height: 32px;
    padding: 0 8px;
    font-size: 13px;
    font-family: inherit;
    border: 1px solid var(--color-border);
    background: var(--color-white);
    cursor: pointer;
}

.cart-item-price {
    font-size: 14px;
    font-weight: 400;
    min-width: 120px;
    text-align: right;
}

.cart-item-remove {
    background: transparent;
    color: #000;
    border: none;
    font-size: 18px;
    line-height: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    cursor: pointer;
    transition: none;
}

.cart-item-remove:hover {
    color: #000;
    background: transparent;
    border: none;
}

/* Cart Empty */
.cart-empty {
    text-align: center;
    padding: 80px 0;
}

.cart-empty p {
    font-size: 16px;
    color: var(--color-text-muted);
    margin-bottom: 24px;
}

.btn-continue {
    display: inline-block;
    padding: 14px 32px;
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    border: 1px solid var(--color-text);
    transition: all var(--transition);
}

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

/* Cart Footer */
.cart-footer {
    padding-top: 20px;
}

.cart-total {
    text-align: right;
    font-size: 24px;
    font-weight: 400;
    margin-bottom: 40px;
}

.cart-total span:first-child {
    margin-right: 12px;
}

.cart-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.btn-clear {
    padding: 14px 32px;
    font-size: 12px;
    font-weight: 400;
    letter-spacing: 1px;
    text-transform: uppercase;
    border: 1px solid var(--color-border);
    background: transparent;
    transition: all var(--transition);
}

.btn-clear:hover {
    border-color: var(--color-text);
}

.cart-checkout {
    display: flex;
    gap: 12px;
}

.btn-checkout {
    height: 48px;
    padding: 0 40px;
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    background: var(--color-text);
    color: var(--color-white);
    transition: opacity var(--transition);
}

.btn-checkout:hover {
    opacity: 0.85;
}

/* ==================== MODALS ==================== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
    z-index: 1000;
    padding: 20px;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--color-bg);
    width: 100%;
    max-width: 500px;
    padding: 40px;
    position: relative;
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    font-size: 28px;
    color: var(--color-text-muted);
    transition: color var(--transition);
}

.modal-close:hover {
    color: var(--color-text);
}

.modal-title {
    font-size: 16px;
    font-weight: 500;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 32px;
}

/* Checkout Form */
.checkout-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.form-group input {
    height: 48px;
    padding: 0 16px;
    font-size: 14px;
    font-family: inherit;
    border: 1px solid var(--color-border);
    background: var(--color-white);
}

.form-group input:focus {
    outline: none;
    border-color: var(--color-text);
}

.form-summary {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--color-border);
}

.form-summary h3 {
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 12px;
}

#orderSummary {
    font-size: 13px;
    line-height: 1.8;
    margin-bottom: 12px;
}

.form-total {
    display: flex;
    justify-content: space-between;
    font-size: 16px;
    font-weight: 500;
    padding-top: 12px;
    border-top: 1px dashed var(--color-border);
}

.btn-submit {
    height: 48px;
    padding: 0 32px;
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    background: var(--color-text);
    color: var(--color-white);
    border: none;
    cursor: pointer;
    transition: opacity var(--transition);
    margin-top: 12px;
    text-align: center;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-submit:hover {
    opacity: 0.85;
}

/* Success Modal */
.modal-success {
    text-align: center;
}

.modal-success p {
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 12px;
    color: var(--color-text-muted);
}

.modal-success .btn-submit {
    margin-top: 24px;
}

/* ==================== FOOTER ==================== */
.footer {
    padding: 40px;
    text-align: center;
    border-top: 1px solid var(--color-border);
}

.footer-links {
    margin-bottom: 16px;
}

.footer-links a {
    font-size: 11px;
    color: var(--color-text-muted);
    margin: 0 16px;
}

.footer-links a:hover {
    text-decoration: underline;
}

.footer-copyright {
    font-size: 11px;
    color: var(--color-text-muted);
    letter-spacing: 0.5px;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 1024px) {
    .layout {
        flex-direction: column;
        align-items: center;
        gap: 40px;
    }

    .right-panel {
        position: static;
        align-items: center;
        flex-direction: column;
        justify-content: center;
        width: 100%;
        gap: 12px;
        margin: 0 !important;
        margin-bottom: 24px !important;
        flex-shrink: 0;
        order: -1;
    }

    .product-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .product-gallery {
        order: 1;
    }
    
    .product-details {
        order: 2;
        padding-top: 0;
    }
}

@media (max-width: 768px) {
    .cart-header-top {
    padding: 30px 20px 24px;
    gap: 12px;
    margin-bottom: 24px;
}

    .main,
    .product-page,
    .cart-page {
        padding: 30px 20px;
    }
    
    .products-grid {
        gap: 40px;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .product-card {
        width: 48%;
    }
    
    .product-image {
        height: 320px;
    }
    
    .cart-item {
        flex-wrap: wrap;
        gap: 16px;
    }
    
    .cart-item-price {
        min-width: auto;
        text-align: left;
    }
    
    .cart-actions {
        flex-direction: column;
        align-items: stretch;
    }
    
    .cart-checkout {
        flex-direction: column;
    }
    
    .promo-input {
        width: 100%;
    }
    
    .btn-checkout {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .logo-text {
        font-size: 14px;
    }
    
    .product-card {
        width: 100%;
    }
    
    .product-actions {
        flex-direction: column;
        align-items: stretch;
    }
    
    .btn-add-to-cart {
        width: 100%;
    }
    
    .modal {
        padding: 30px 20px;
    }
}

.size-chart-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition), visibility var(--transition);
    z-index: 1200;
    padding: 20px;
}

.size-chart-overlay.active {
    opacity: 1;
    visibility: visible;
}

.size-chart-dialog {
    position: relative;
    background: var(--color-bg);
    padding: 20px;
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.size-chart-image {
    max-width: 100%;
    max-height: 80vh;
    object-fit: contain;
}

.size-chart-close {
    position: absolute;
    top: 8px;
    right: 8px;
    font-size: 24px;
    color: var(--color-text);
    background: none;
    border: none;
    cursor: pointer;
}

.form-summary {
    border-top: 0;
    padding-top: 0;
}

.form-total {
    border-top: 0;
    padding-top: 0;
}