/* ========================================
   Moire Melomew - Premium Furniture E-commerce
   Design System & Styles
   ======================================== */

/* ========== CSS Variables ========== */
:root {
    /* Colors */
    --color-white: #FFFFFF;
    --color-off-white: #FAFAFA;
    --color-light-gray: #F5F5F5;
    --color-medium-gray: #E8E8E8;
    --color-border: #E0E0E0;
    --color-text-primary: #1A1A1A;
    --color-text-secondary: #666666;
    --color-text-tertiary: #999999;
    --color-accent: #C4A77D;
    --color-accent-light: #D4BC9A;
    --color-black: #000000;
    --color-overlay: rgba(0, 0, 0, 0.5);

    /* Typography */
    --font-primary: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-serif: 'Cormorant Garamond', Georgia, serif;

    /* Font Sizes */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 2rem;
    --text-4xl: 2.5rem;
    --text-5xl: 3rem;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;

    /* Layout */
    --max-width: 1400px;
    --header-height: 80px;
    --header-height-mobile: 60px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-full: 50%;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-fast);
}

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

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

ul,
ol {
    list-style: none;
}

/* ========== Typography ========== */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 600;
    line-height: 1.3;
    letter-spacing: -0.02em;
}

h1 {
    font-size: var(--text-4xl);
}

h2 {
    font-size: var(--text-3xl);
}

h3 {
    font-size: var(--text-2xl);
}

h4 {
    font-size: var(--text-xl);
}

h5 {
    font-size: var(--text-lg);
}

h6 {
    font-size: var(--text-base);
}

.text-serif {
    font-family: var(--font-serif);
    font-weight: 400;
    letter-spacing: 0.05em;
}

/* ========== Layout ========== */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

.section {
    padding: var(--space-4xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-title {
    font-size: var(--text-2xl);
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: var(--space-sm);
}

.section-subtitle {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    letter-spacing: 0.05em;
}

/* ========== Header ========== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    transition: var(--transition-base);
}

.header.scrolled {
    box-shadow: var(--shadow-sm);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

.logo {
    font-family: var(--font-serif);
    font-size: var(--text-xl);
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.logo span {
    color: var(--color-accent);
}

/* Navigation */
.nav {
    display: flex;
    align-items: center;
    gap: var(--space-2xl);
}

.nav-list {
    display: flex;
    gap: var(--space-xl);
}

.nav-link {
    font-size: var(--text-sm);
    font-weight: 400;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-text-primary);
    position: relative;
    padding: var(--space-sm) 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-text-primary);
    transition: var(--transition-base);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* Header Icons */
.header-icons {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.icon-btn {
    position: relative;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    transition: var(--transition-fast);
}

.icon-btn:hover {
    background-color: var(--color-light-gray);
}

.icon-btn svg {
    width: 22px;
    height: 22px;
    stroke: var(--color-text-primary);
    stroke-width: 1.5;
    fill: none;
}

.cart-count {
    position: absolute;
    top: 2px;
    right: 2px;
    width: 16px;
    height: 16px;
    background-color: var(--color-text-primary);
    color: var(--color-white);
    font-size: 10px;
    font-weight: 600;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Mobile Menu Button */
.menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 24px;
}

.menu-btn span {
    width: 100%;
    height: 1.5px;
    background-color: var(--color-text-primary);
    transition: var(--transition-fast);
}

/* ========== Hero Slider ========== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    margin-top: var(--header-height);
    overflow: hidden;
}

.hero-slider {
    position: relative;
    width: 100%;
    height: 100%;
}

.hero-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    visibility: hidden;
    transition: opacity 1s ease, visibility 1s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-slide.active {
    opacity: 1;
    visibility: visible;
    z-index: 1;
}

.hero-slide-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    transform: scale(1.1);
    transition: transform 6s ease;
}

.hero-slide.active .hero-slide-bg {
    transform: scale(1);
}

.hero-slide::after {
    content: '';
    position: absolute;
    inset: 0;
    background-color: rgba(255, 255, 255, 0.2);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: var(--space-xl);
    max-width: 800px;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 1s ease 0.5s, transform 1s ease 0.5s;
}

.hero-slide.active .hero-content {
    opacity: 1;
    transform: translateY(0);
}

.hero-tagline {
    font-size: var(--text-sm);
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--space-lg);
}

.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 400;
    line-height: 1.2;
    letter-spacing: 0.02em;
    margin-bottom: var(--space-xl);
    color: var(--color-text-primary);
}

.hero-description {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto var(--space-2xl);
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* Slider Controls */
.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 60px;
    height: 60px;
    background-color: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    transition: var(--transition-base);
    opacity: 0.5;
}

.slider-arrow:hover {
    opacity: 1;
}

.slider-arrow svg {
    width: 30px;
    height: 30px;
    stroke: var(--color-text-primary);
    stroke-width: 1;
    fill: none;
}

.slider-arrow.prev {
    left: var(--space-xl);
}

.slider-arrow.next {
    right: var(--space-xl);
}

.slider-dots {
    position: absolute;
    bottom: var(--space-2xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10;
}

.slider-dot {
    width: 8px;
    height: 8px;
    border-radius: var(--radius-full);
    background-color: var(--color-border);
    cursor: pointer;
    transition: var(--transition-base);
}

.slider-dot.active {
    background-color: var(--color-text-primary);
    transform: scale(1.5);
}

/* ========== Buttons ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-size: var(--text-sm);
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border-radius: 0;
    transition: var(--transition-base);
    min-width: 160px;
}

.btn-primary {
    background-color: var(--color-text-primary);
    color: var(--color-white);
    border: 1px solid var(--color-text-primary);
}

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

.btn-secondary {
    background-color: transparent;
    color: var(--color-text-primary);
    border: 1px solid var(--color-text-primary);
}

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

.btn-accent {
    background-color: var(--color-accent);
    color: var(--color-white);
    border: 1px solid var(--color-accent);
}

.btn-accent:hover {
    background-color: var(--color-accent-light);
    border-color: var(--color-accent-light);
}

/* ========== Collection Banner ========== */
.collections {
    background-color: var(--color-white);
}

.collection-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.collection-card {
    position: relative;
    aspect-ratio: 3/4;
    overflow: hidden;
    background-color: var(--color-light-gray);
    cursor: pointer;
}

.collection-card-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--color-light-gray) 0%, var(--color-medium-gray) 100%);
    transition: var(--transition-slow);
}

.collection-card:hover .collection-card-bg {
    transform: scale(1.05);
}

.collection-card-content {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--space-xl);
    background: linear-gradient(to top, rgba(0, 0, 0, 0.4) 0%, transparent 50%);
    color: var(--color-white);
    z-index: 1;
}

.collection-name {
    font-size: var(--text-2xl);
    font-weight: 500;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-xs);
}

.collection-count {
    font-size: var(--text-sm);
    opacity: 0.8;
    letter-spacing: 0.1em;
}

/* ========== Product Grid ========== */
.products {
    background-color: var(--color-off-white);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
}

.product-card {
    background-color: var(--color-white);
    transition: var(--transition-base);
}

.product-card:hover {
    box-shadow: var(--shadow-lg);
}

.product-image {
    position: relative;
    aspect-ratio: 1;
    overflow: hidden;
    background-color: var(--color-light-gray);
}

.product-image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-light-gray) 0%, var(--color-medium-gray) 100%);
}

.product-image-placeholder svg {
    width: 60px;
    height: 60px;
    stroke: var(--color-text-tertiary);
    stroke-width: 1;
}

.product-badge {
    position: absolute;
    top: var(--space-md);
    left: var(--space-md);
    padding: var(--space-xs) var(--space-sm);
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.badge-new {
    background-color: var(--color-text-primary);
    color: var(--color-white);
}

.badge-best {
    background-color: var(--color-accent);
    color: var(--color-white);
}

.badge-sale {
    background-color: #E74C3C;
    color: var(--color-white);
}

.product-actions {
    position: absolute;
    bottom: var(--space-md);
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    opacity: 0;
    display: flex;
    gap: var(--space-sm);
    transition: var(--transition-base);
}

.product-card:hover .product-actions {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.product-action-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-white);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-md);
    transition: var(--transition-fast);
}

.product-action-btn:hover {
    background-color: var(--color-text-primary);
}

.product-action-btn:hover svg {
    stroke: var(--color-white);
}

.product-action-btn svg {
    width: 18px;
    height: 18px;
    stroke: var(--color-text-primary);
    stroke-width: 1.5;
}

.product-info {
    padding: var(--space-lg);
    text-align: center;
}

.product-name {
    font-size: var(--text-base);
    font-weight: 400;
    margin-bottom: var(--space-sm);
    color: var(--color-text-primary);
}

.product-price {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
}

.price-original {
    font-size: var(--text-sm);
    color: var(--color-text-tertiary);
    text-decoration: line-through;
}

.price-sale {
    font-size: var(--text-lg);
    font-weight: 500;
    color: var(--color-text-primary);
}

.price-discount {
    font-size: var(--text-sm);
    font-weight: 600;
    color: #E74C3C;
}

/* ========== Brand Story ========== */
.brand-story {
    background-color: var(--color-white);
    overflow: hidden;
}

.brand-story-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
}

.brand-story-image {
    aspect-ratio: 4/5;
    width: 100%;
    object-fit: cover;
}

.brand-story-content {
    padding: var(--space-2xl) 0;
}

.brand-story-tagline {
    font-size: var(--text-sm);
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--space-lg);
}

.brand-story-title {
    font-family: var(--font-serif);
    font-size: var(--text-4xl);
    font-weight: 400;
    line-height: 1.3;
    margin-bottom: var(--space-xl);
}

.brand-story-text {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    line-height: 1.9;
    margin-bottom: var(--space-2xl);
}

.brand-story-actions {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

/* ========== SmartStore Banner ========== */
.smartstore-banner {
    position: relative;
    padding: var(--space-4xl) 0;
    overflow: hidden;
    color: var(--color-white);
    background-color: var(--color-text-primary);
    min-height: 450px;
    display: flex;
    align-items: center;
}

.smartstore-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0.45;
    transform: scale(1.1);
    transition: transform 10s ease;
}

.smartstore-banner:hover .smartstore-bg {
    transform: scale(1.05);
}

.smartstore-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-4xl);
}

.smartstore-text-side {
    text-align: left;
    max-width: 600px;
}

.smartstore-tagline {
    font-size: var(--text-sm);
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--space-md);
}

.smartstore-title {
    font-size: clamp(2rem, 4.5vw, 3rem);
    margin-bottom: var(--space-lg);
    line-height: 1.2;
}

.smartstore-description {
    font-size: var(--text-base);
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.8;
}

.smartstore-button-side {
    flex-shrink: 0;
}

.smartstore-button-side .btn {
    padding: 1.25rem 3rem;
    font-size: var(--text-base);
}

@media (max-width: 1024px) {
    .smartstore-flex {
        flex-direction: column;
        text-align: center;
        gap: var(--space-2xl);
    }

    .smartstore-text-side {
        text-align: center;
    }
}

.relative {
    position: relative;
}

.z-2 {
    z-index: 2;
}

/* ========== Instagram Feed ========== */
.instagram {
    background-color: var(--color-off-white);
    text-align: center;
}

.instagram-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: var(--space-sm);
}

.instagram-item {
    aspect-ratio: 1;
    overflow: hidden;
    background: linear-gradient(135deg, var(--color-light-gray) 0%, var(--color-medium-gray) 100%);
    cursor: pointer;
    position: relative;
}

.instagram-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background-color: rgba(0, 0, 0, 0);
    transition: var(--transition-fast);
}

.instagram-item:hover::after {
    background-color: rgba(0, 0, 0, 0.2);
}

.instagram-handle {
    margin-bottom: var(--space-2xl);
}

.instagram-handle a {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    letter-spacing: 0.05em;
}

.instagram-handle a:hover {
    color: var(--color-accent);
}

/* ========== Footer ========== */
.footer {
    background-color: var(--color-text-primary);
    color: var(--color-white);
    padding: var(--space-4xl) 0;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 50px;
    margin-top: var(--space-2xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: var(--space-3xl);
    margin-bottom: var(--space-3xl);
}

.footer-brand .logo {
    color: var(--color-white);
    margin-bottom: var(--space-lg);
}

.footer-description {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    max-width: 300px;
}

.footer-title {
    font-size: var(--text-sm);
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: var(--space-lg);
}

.footer-links li {
    margin-bottom: var(--space-sm);
}

.footer-links a {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.7);
}

.footer-links a:hover {
    color: var(--color-white);
}

.footer-contact p {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--space-sm);
}

.footer-social {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-full);
    transition: var(--transition-fast);
}

.footer-social a:hover {
    background-color: var(--color-white);
    border-color: var(--color-white);
}

.footer-social a:hover svg {
    stroke: var(--color-text-primary);
}

.footer-social svg {
    width: 18px;
    height: 18px;
    stroke: var(--color-white);
    stroke-width: 1.5;
}

.footer-bottom {
    padding-top: var(--space-2xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-copyright {
    font-size: var(--text-xs);
    color: rgba(255, 255, 255, 0.5);
}

.footer-legal {
    display: flex;
    gap: var(--space-lg);
}

.footer-legal a {
    font-size: var(--text-xs);
    color: rgba(255, 255, 255, 0.5);
}

.footer-legal a:hover {
    color: var(--color-white);
}

/* ========== Category Filter ========== */
.category-filter {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
    flex-wrap: wrap;
}

.filter-btn {
    padding: var(--space-sm) var(--space-lg);
    font-size: var(--text-sm);
    letter-spacing: 0.05em;
    color: var(--color-text-secondary);
    border: 1px solid transparent;
    transition: var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
    color: var(--color-text-primary);
    border-color: var(--color-text-primary);
}

/* ========== Product Detail ========== */
.product-detail {
    margin-top: var(--header-height);
    padding: var(--space-3xl) 0;
}

.product-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
}

.product-gallery {
    position: sticky;
    top: calc(var(--header-height) + var(--space-xl));
}

.product-main-image {
    aspect-ratio: 1;
    background: linear-gradient(135deg, var(--color-light-gray) 0%, var(--color-medium-gray) 100%);
    margin-bottom: var(--space-md);
}

.product-thumbnails {
    display: flex;
    gap: var(--space-sm);
}

.product-thumbnail {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--color-light-gray) 0%, var(--color-medium-gray) 100%);
    cursor: pointer;
    opacity: 0.7;
    transition: var(--transition-fast);
}

.product-thumbnail:hover,
.product-thumbnail.active {
    opacity: 1;
}

.product-detail-info {
    padding: var(--space-xl) 0;
}

.product-detail-name {
    font-size: var(--text-3xl);
    font-weight: 500;
    margin-bottom: var(--space-md);
}

.product-detail-price {
    display: flex;
    align-items: baseline;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid var(--color-border);
}

.detail-price-original {
    font-size: var(--text-lg);
    color: var(--color-text-tertiary);
    text-decoration: line-through;
}

.detail-price-sale {
    font-size: var(--text-2xl);
    font-weight: 600;
}

.detail-price-discount {
    font-size: var(--text-base);
    font-weight: 600;
    color: #E74C3C;
}

.product-option {
    margin-bottom: var(--space-xl);
}

.option-label {
    font-size: var(--text-sm);
    font-weight: 500;
    margin-bottom: var(--space-sm);
}

.option-select {
    width: 100%;
    padding: var(--space-md);
    font-size: var(--text-base);
    border: 1px solid var(--color-border);
    background-color: var(--color-white);
    cursor: pointer;
}

.quantity-selector {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.quantity-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-border);
    font-size: var(--text-lg);
    transition: var(--transition-fast);
}

.quantity-btn:hover {
    background-color: var(--color-light-gray);
}

.quantity-input {
    width: 60px;
    height: 40px;
    text-align: center;
    font-size: var(--text-base);
    border: 1px solid var(--color-border);
}

.product-detail-actions {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
}

.product-detail-actions .btn {
    flex: 1;
}

.product-description {
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-border);
}

.product-description h4 {
    font-size: var(--text-base);
    font-weight: 500;
    margin-bottom: var(--space-md);
}

.product-description p {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: 1.8;
}

/* ========== Cart ========== */
.cart-page {
    margin-top: var(--header-height);
    padding: var(--space-3xl) 0;
    min-height: 70vh;
}

.cart-title {
    font-size: var(--text-2xl);
    font-weight: 500;
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.cart-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--space-3xl);
}

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

.cart-item {
    display: grid;
    grid-template-columns: 120px 1fr auto;
    gap: var(--space-xl);
    padding: var(--space-xl) 0;
    border-bottom: 1px solid var(--color-border);
}

.cart-item-image {
    aspect-ratio: 1;
    background: linear-gradient(135deg, var(--color-light-gray) 0%, var(--color-medium-gray) 100%);
}

.cart-item-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.cart-item-name {
    font-size: var(--text-base);
    font-weight: 500;
    margin-bottom: var(--space-xs);
}

.cart-item-option {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
}

.cart-item-actions {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    justify-content: center;
    gap: var(--space-md);
}

.cart-item-price {
    font-size: var(--text-lg);
    font-weight: 500;
}

.cart-item-remove {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    text-decoration: underline;
}

.cart-item-remove:hover {
    color: var(--color-text-primary);
}

.cart-summary {
    background-color: var(--color-light-gray);
    padding: var(--space-2xl);
    height: fit-content;
    position: sticky;
    top: calc(var(--header-height) + var(--space-xl));
}

.cart-summary-title {
    font-size: var(--text-lg);
    font-weight: 500;
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--color-border);
}

.cart-summary-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--space-md);
    font-size: var(--text-sm);
}

.cart-summary-total {
    display: flex;
    justify-content: space-between;
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border);
    font-size: var(--text-lg);
    font-weight: 600;
}

.cart-summary .btn {
    width: 100%;
    margin-top: var(--space-xl);
}

/* ========== Empty States ========== */
.empty-state {
    text-align: center;
    padding: var(--space-4xl) var(--space-xl);
}

.empty-state-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-xl);
    stroke: var(--color-text-tertiary);
    stroke-width: 1;
}

.empty-state-title {
    font-size: var(--text-xl);
    font-weight: 500;
    margin-bottom: var(--space-sm);
}

.empty-state-text {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
}

/* ========== Mobile Navigation ========== */
.mobile-nav {
    position: fixed;
    inset: 0;
    background-color: var(--color-white);
    z-index: 999;
    padding: var(--space-3xl) var(--space-xl);
    transform: translateX(100%);
    transition: var(--transition-base);
}

.mobile-nav.active {
    transform: translateX(0);
}

.mobile-nav-close {
    position: absolute;
    top: var(--space-xl);
    right: var(--space-xl);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mobile-nav-list {
    margin-top: var(--space-3xl);
}

.mobile-nav-list li {
    margin-bottom: var(--space-lg);
}

.mobile-nav-list a {
    font-size: var(--text-2xl);
    font-weight: 500;
    letter-spacing: 0.05em;
}

/* ========== Animations ========== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.animate-fadeInUp {
    animation: fadeInUp 0.6s ease forwards;
}

.animate-fadeIn {
    animation: fadeIn 0.4s ease forwards;
}

/* ========== Responsive ========== */
@media (max-width: 1024px) {
    .product-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .brand-story-grid {
        gap: var(--space-2xl);
    }

    .service-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: var(--header-height-mobile);
    }

    .container {
        padding: 0 var(--space-md);
    }

    .section {
        padding: var(--space-2xl) 0;
    }

    .nav {
        display: none;
    }

    .menu-btn {
        display: flex;
    }

    .hero {
        min-height: 500px;
    }

    .hero-title {
        font-size: var(--text-3xl);
    }

    .collection-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }

    .product-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-md);
    }

    .brand-story-grid {
        grid-template-columns: 1fr;
    }

    .brand-story-image {
        aspect-ratio: 16/9;
    }

    .instagram-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }

    .product-detail-grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .product-gallery {
        position: static;
    }

    .cart-grid {
        grid-template-columns: 1fr;
    }

    .cart-item {
        grid-template-columns: 80px 1fr;
    }

    .cart-item-actions {
        grid-column: 1 / -1;
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .hero-cta {
        flex-direction: column;
    }

    .hero-cta .btn {
        width: 100%;
    }

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

    .quantity-selector {
        justify-content: center;
    }
}

/* ========== Scroll Animations ========== */
[data-aos] {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

/* ========== Loading State ========== */
.skeleton {
    background: linear-gradient(90deg, var(--color-light-gray) 25%, var(--color-medium-gray) 50%, var(--color-light-gray) 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }

    100% {
        background-position: -200% 0;
    }
}

/* ========== Contact Form ========== */
.contact-form-container {
    max-width: 600px;
    margin: 0 auto;
    padding: var(--space-xl) 0;
}

.form-group {
    margin-bottom: var(--space-lg);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
}

.form-label {
    display: block;
    font-size: var(--text-xs);
    font-weight: 500;
    margin-bottom: var(--space-xs);
    color: var(--color-text-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: 0;
    font-family: var(--font-primary);
    font-size: var(--text-sm);
    transition: var(--transition-base);
    background-color: var(--color-white);
    color: var(--color-text-primary);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--color-text-tertiary);
    font-size: var(--text-sm);
}

.form-input:hover,
.form-select:hover,
.form-textarea:hover {
    border-color: var(--color-text-tertiary);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-text-primary);
    background-color: #fff;
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1.25rem;
    padding-right: 3rem;
    cursor: pointer;
}

.form-textarea {
    resize: vertical;
    min-height: 150px;
}

.form-privacy {
    margin: var(--space-xl) 0;
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    cursor: pointer;
}

.form-checkbox {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--color-text-primary);
}

.checkbox-group label {
    font-size: var(--text-xs);
    color: var(--color-text-secondary);
    cursor: pointer;
    user-select: none;
}

.privacy-box {
    background-color: var(--color-off-white);
    padding: var(--space-md);
    border: 1px solid var(--color-border);
    font-size: var(--text-xs);
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.btn-full {
    width: 100%;
}

/* Responsive adjustments for form */
@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
}