/* ============================
   Font Faces
   ============================ */
@font-face {
    font-family: 'kindergarten';
    src: url('fonts/kindergarten.ttf') format('truetype');
    font-weight: 400;
    font-display: swap;
    font-style: normal;
}

@font-face {
    font-family: 'Author-Variable';
    src: url('fonts/Author_Complete/Fonts/WEB/fonts/Author-Variable.woff2') format('woff2'),
        url('fonts/Author_Complete/Fonts/WEB/fonts/Author-Variable.woff') format('woff'),
        url('fonts/Author_Complete/Fonts/WEB/fonts/Author-Variable.ttf') format('truetype');
    font-weight: 200 700;
    font-display: swap;
    font-style: normal;
}

/* ============================
   Design Tokens
   ============================ */
:root {
    --color-primary: #3D3123;
    --color-bg: #ffffff;
    --color-text: #3D3123;
    --color-text-muted: #888888;
    --color-border: #e0e0e0;
    --color-stock: #c89632;

    --font-body: 'Author-Variable', Georgia, serif;
    --font-label: 'Author-Variable', 'Courier New', monospace;
    --font-display: 'kindergarten', cursive;

    --max-width: 1400px;
    --nav-height: 64px;

    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
}

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

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

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

input {
    font-family: inherit;
}

/* ============================
   Navigation
   ============================ */
.site-header {}

.nav-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    height: var(--nav-height);
    max-width: var(--max-width);
    margin: 0 auto;
    margin-top: 20px;
    padding: 0 2rem;
}

.nav-logo {
    display: flex;
    align-items: center;
}

.nav-logo-img {
    height: 70px;
    width: auto;
}

/* ============================
   Product Layout
   ============================ */
.product-page {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 2rem 4rem 4rem;
    overflow-x: hidden;
}

.product-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

/* ============================
   Gallery
   ============================ */
.product-gallery {
    min-width: 0;
}

.gallery-main {
    position: relative;
    overflow: hidden;
    background: #f5f0eb;
}

.gallery-viewport {
    aspect-ratio: 3 / 4;
    overflow: hidden;
    cursor: zoom-in;
}

.gallery-track {
    display: flex;
    height: 100%;
    transition: transform 0.4s cubic-bezier(0.25, 0.1, 0.25, 1);
    will-change: transform;
}

.gallery-track img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    flex-shrink: 0;
}

.gallery-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 2;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    background: rgba(255, 255, 255, 0.8);
    border-radius: 50%;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.gallery-main:hover .gallery-arrow {
    opacity: 1;
}

.gallery-arrow:hover {
    background: rgba(255, 255, 255, 1);
}

.gallery-arrow--prev {
    left: 12px;
}

.gallery-arrow--next {
    right: 12px;
}

/* Thumbnails */
.gallery-thumbnails {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
    overflow-x: auto;
    padding-bottom: 4px;
}

.gallery-thumbnails::-webkit-scrollbar {
    height: 4px;
}

.gallery-thumbnails::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 2px;
}

.thumb {
    flex-shrink: 0;
    width: 72px;
    height: 72px;
    border: 2px solid transparent;
    padding: 0;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    background: #f5f0eb;
    transition: border-color var(--transition-fast);
}

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

.thumb.active {
    border-color: var(--color-primary);
}

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

/* ============================
   Product Details
   ============================ */
.product-details {
    padding-top: 0.5rem;
    min-width: 0;
}

.product-collection {
    display: block;
    font-family: var(--font-label);
    font-weight: 300;
    font-size: 1.5rem;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
    margin-bottom: 0.5rem;
}

.product-title {
    font-family: var(--font-display);
    font-size: 3.8rem;
    font-weight: 550;
    line-height: 1.5;
    margin-bottom: 0.5rem;
    display: inline;
    padding-bottom: 2px;
}

.product-subtitle {
    font-family: var(--font-body);
    font-size: 1.25rem;
    font-weight: 200;
    line-height: 1.2;
    margin-bottom: 1.25rem;
    margin-top: 0.5rem;
    color: var(--color-primary);
    text-transform: uppercase;
}

.product-rating {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1.25rem;
    margin-bottom: 1rem;
}

.stars {
    color: var(--color-primary);
    font-size: 0.85rem;
    letter-spacing: 2px;
}

.review-count {
    font-family: var(--font-label);
    font-size: 1rem;
    color: var(--color-text-muted);
    text-decoration: underline;
}

.product-price {
    font-family: var(--font-label);
    font-size: 1.4rem;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
}

.shipping-note {
    font-size: 1rem;
    color: var(--color-text-muted);
    font-weight: 300;
}

.product-stock {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-family: var(--font-label);
    font-size: 1rem;
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
}

.stock-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #e63946;
}

/* Quantity Selector */
.quantity-label {
    display: block;
    font-family: var(--font-label);
    font-size: 1rem;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.qty-selector {
    display: inline-flex;
    align-items: center;
    border: 1px solid var(--color-primary);
    margin-bottom: 1.5rem;
}

.qty-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    background: var(--color-primary);
    color: var(--color-bg);
    transition: opacity var(--transition-fast);
}

.qty-btn:hover {
    opacity: 0.8;
}

.qty-input {
    width: 44px;
    height: 36px;
    text-align: center;
    border: none;
    border-left: 1px solid var(--color-primary);
    border-right: 1px solid var(--color-primary);
    font-family: var(--font-label);
    font-size: 0.85rem;
    background: var(--color-bg);
    -moz-appearance: textfield;
}

.qty-input::-webkit-outer-spin-button,
.qty-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

/* Action Buttons */
.product-actions {
    display: flex;
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.btn {
    padding: 0.85rem 1.5rem;
    font-family: var(--font-label);
    font-weight: 300;
    font-size: 1rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    text-align: center;
    transition: all var(--transition-fast);
    border: 1.5px solid var(--color-primary);
}

.btn--add-to-cart {
    background: var(--color-primary);
    color: var(--color-bg);
}

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

.btn--buy-now {
    background: transparent;
    color: var(--color-primary);
}

.btn--buy-now:hover {
    background: var(--color-primary);
    color: var(--color-bg);
}

/* Trust Icons */
.trust-icons {
    display: flex;
    gap: 1.25rem;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--color-border);
}

.trust-icon {
    flex-shrink: 0;
}

/* Product Description */
.product-description {
    margin-bottom: 2rem;
    font-size: 1.3rem;
}

.product-description p {

    line-height: 1.7;
    color: #3D3123;
}

.product-description ul {
    list-style-position: inside;
    padding-left: 0;
    line-height: 1.3;
    color: #3D3123;
}

/* ============================
   Accordion
   ============================ */
.accordion-item {
    border-top: 1px solid var(--color-border);
}

.accordion-item:last-child {
    border-bottom: 1px solid var(--color-border);
}

.accordion-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: 1.25rem 0;
    font-family: var(--font-label);
    font-weight: 300;
    font-size: 1.25rem;
    letter-spacing: 0.1em;
    text-align: left;
    transition: opacity var(--transition-fast);
}

.accordion-header:hover {
    opacity: 0.6;
}

.accordion-icon {
    font-size: 1.2rem;
    line-height: 1;
    transition: transform var(--transition-normal);
}

.accordion-panel {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
}

.accordion-item--open .accordion-panel {
    max-height: 300px;
}

.other-details-list {
    list-style-position: inside;
    padding-left: 0;
    padding-bottom: 0.5rem;
}

.other-details-list li {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 1.2rem;
    line-height: 1.7;
    color: #3D3123;
}

.accordion-panel p {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 1.2rem;
    line-height: 1.7;
    color: #3D3123;
    padding-bottom: 0.5rem;
}

/* ============================
   Creator Quote
   ============================ */
.creator-quote {
    margin-top: 2rem;
    padding: 1.5rem 0;
}

.creator-quote p {
    font-family: 'Author-Variable', Georgia, serif;
    font-size: 1.2rem;
    line-height: 1.8;
    color: #3D3123;
}

/* ============================
   Lightbox
   ============================ */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.lightbox[hidden] {
    display: none;
}

.lightbox.is-visible {
    opacity: 1;
}

.lightbox-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    color: #fff;
    font-size: 2rem;
    z-index: 1001;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity var(--transition-fast);
}

.lightbox-close:hover {
    opacity: 0.7;
}

.lightbox-content {
    width: 90vw;
    height: 85vh;
    overflow: hidden;
}

.lightbox-track {
    display: flex;
    height: 100%;
    transition: transform 0.4s cubic-bezier(0.25, 0.1, 0.25, 1);
    will-change: transform;
}

.lightbox-track img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    flex-shrink: 0;
}

.lightbox-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    color: #fff;
    font-size: 3rem;
    z-index: 1001;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity var(--transition-fast);
}

.lightbox-arrow:hover {
    opacity: 0.7;
}

.lightbox-arrow--prev {
    left: 1.25rem;
}

.lightbox-arrow--next {
    right: 1.25rem;
}

.lightbox-counter {
    position: absolute;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255, 255, 255, 0.7);
    font-family: var(--font-label);
    font-size: 0.8rem;
    letter-spacing: 0.1em;
}

/* ============================
   Responsive: Tablet
   ============================ */
@media (max-width: 1024px) {
    .product-layout {
        gap: 2rem;
    }

    .product-page {
        padding: 1.5rem 3rem 3rem;
    }
}

/* ============================
   Responsive: Mobile
   ============================ */
@media (max-width: 768px) {
    .nav-bar {
        padding: 0 1.25rem;
    }

    .product-page {
        padding: 1.25rem 1.25rem 2rem;
    }

    .product-layout {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .product-gallery {
        position: static;
        overflow: hidden;
    }

    .product-title {
        font-size: 4rem;
        font-weight: 550;
    }

    .product-actions {
        flex-direction: column;
    }

    .trust-icons {
        gap: 1rem;
    }

    .trust-icon svg {
        width: 40px;
        height: 40px;
    }

    .lightbox-arrow {
        font-size: 2rem;
        width: 44px;
        height: 44px;
    }

    .gallery-arrow {
        opacity: 1;
        width: 32px;
        height: 32px;
        font-size: 1.5rem;
    }
}