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

:root {
    --primary-color: #000;
    --secondary-color: #fff;
    --accent-color: #f0f0f0;
    --text-color: #333;
    --border-color: #e0e0e0;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --success-color: #28a745;
    --error-color: #dc3545;
    --dark-bg: #090909;
    --dark-surface: #111111;
    --dark-surface-alt: #181818;
    --dark-text: #f5f5f5;
    --dark-muted: #b4b4b4;
    --dark-border: #2a2a2a;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    background-color: var(--secondary-color);
}

body.dark-theme {
    background: var(--dark-bg);
    color: var(--dark-text);
}

body.home-page {
    position: relative;
    background: #070707;
    overflow-x: hidden;
}

body.home-page::before {
    content: "";
    position: absolute;
    top: 76px;
    left: 50%;
    transform: translateX(-50%);
    width: min(1160px, 100vw);
    height: 780px;
    background: radial-gradient(ellipse at top, rgba(154, 110, 255, 0.36) 0%, rgba(98, 56, 201, 0.22) 22%, rgba(42, 24, 84, 0.14) 44%, rgba(11, 9, 21, 0.05) 64%, rgba(7, 7, 7, 0) 82%);
    filter: blur(36px);
    pointer-events: none;
    z-index: 0;
}

body.home-page .header,
body.home-page main,
body.home-page .footer-dark {
    position: relative;
    z-index: 1;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.container.narrow {
    max-width: 900px;
}

.brand-link {
    text-decoration: none;
    color: inherit;
}

.header {
    background: var(--secondary-color);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
}

.header-dark {
    background: rgba(9, 9, 9, 0.92);
    border-bottom: 1px solid var(--dark-border);
    backdrop-filter: blur(10px);
    box-shadow: none;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    gap: 20px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.logo h1 {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: 2px;
}

.nav {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
}

.nav-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    padding: 10px 18px;
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    border: 1px solid var(--border-color);
    border-radius: 999px;
    transition: color 0.3s ease, opacity 0.3s ease, border-color 0.3s ease;
}

.dark-theme .nav-link,
.header-dark .nav-link {
    color: var(--dark-text);
    border-color: var(--dark-border);
}

.nav-link:hover {
    color: var(--primary-color);
    opacity: 0.7;
}

.dark-theme .nav-link:hover,
.header-dark .nav-link:hover {
    color: #ffffff;
    opacity: 0.8;
}

.nav-link-pill {
    padding: 10px 18px;
}

.cart-icon {
    position: relative;
    cursor: pointer;
    font-size: 24px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
}

.cart-icon:hover {
    opacity: 0.7;
}

.cart-count {
    position: absolute;
    top: -5px;
    right: -5px;
    background: var(--primary-color);
    color: var(--secondary-color);
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: bold;
}

.hero {
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--secondary-color) 100%);
    padding: 100px 0;
    text-align: center;
}

.hero-store {
    background: linear-gradient(135deg, #f7f7f7 0%, #ffffff 100%);
}

.hero-dark {
    background: radial-gradient(circle at top, #1d1d1d 0%, #090909 60%);
    min-height: 72vh;
    display: flex;
    align-items: center;
}

.home-page .hero-dark {
    position: relative;
    overflow: hidden;
    isolation: isolate;
    background:
        linear-gradient(180deg, rgba(4, 4, 6, 0.96) 0%, rgba(7, 7, 9, 0.94) 38%, #050505 100%),
        radial-gradient(ellipse at top center, rgba(136, 90, 255, 0.18) 0%, rgba(58, 33, 115, 0.16) 26%, rgba(12, 9, 22, 0.94) 58%, #090909 78%);
}

.home-page .hero-dark::before {
    content: "";
    position: absolute;
    left: 50%;
    top: 0;
    transform: translateX(-50%);
    width: min(1080px, 100vw);
    height: 720px;
    background: radial-gradient(ellipse at 50% 16%, rgba(180, 124, 255, 0.66) 0%, rgba(125, 71, 238, 0.4) 16%, rgba(72, 37, 150, 0.22) 30%, rgba(25, 16, 45, 0.12) 48%, rgba(5, 5, 6, 0) 72%);
    filter: blur(34px);
    opacity: 0.92;
    pointer-events: none;
    z-index: 0;
}

.home-page .hero-dark::after {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at center 30%, rgba(13, 12, 18, 0) 0%, rgba(10, 10, 13, 0.26) 42%, rgba(5, 5, 6, 0.84) 74%, rgba(3, 3, 4, 0.96) 100%),
        linear-gradient(180deg, rgba(2, 2, 3, 0.1) 0%, rgba(4, 4, 5, 0.18) 35%, rgba(2, 2, 3, 0.72) 100%);
    pointer-events: none;
    z-index: 1;
}

.example-hero {
    min-height: 65vh;
}

.alt-gradient {
    background: radial-gradient(circle at top left, #1d2333 0%, #090909 65%);
}

.launch-gradient {
    background: radial-gradient(circle at top right, #2c1a10 0%, #090909 65%);
}

/* Example page colour themes */
body.theme-green {
    background: #050e06;
}
body.theme-green .header-dark {
    background: rgba(5, 14, 6, 0.92);
}
body.theme-green .dark-surface-section {
    background: #050e06;
}
body.theme-green .version-card-dark,
body.theme-green .feature-panel,
body.theme-green .glass-card,
body.theme-green .stack-card {
    background: #0c1e0d;
    border-color: #1c3a1e;
}
body.theme-green .hero-dark {
    background: radial-gradient(circle at top, #1a3d1e 0%, #050e06 60%);
}

body.theme-blue {
    background: #05060f;
}
body.theme-blue .header-dark {
    background: rgba(5, 6, 15, 0.92);
}
body.theme-blue .dark-surface-section {
    background: #05060f;
}
body.theme-blue .version-card-dark,
body.theme-blue .feature-panel,
body.theme-blue .glass-card,
body.theme-blue .stack-card {
    background: #0b0d20;
    border-color: #1a1f3e;
}
body.theme-blue .alt-gradient {
    background: radial-gradient(circle at top left, #1a2550 0%, #05060f 65%);
}

body.theme-purple {
    background: #0f0805;
}
body.theme-purple .header-dark {
    background: rgba(15, 8, 5, 0.92);
}
body.theme-purple .dark-surface-section {
    background: #0f0805;
}
body.theme-purple .version-card-dark,
body.theme-purple .feature-panel,
body.theme-purple .glass-card,
body.theme-purple .stack-card {
    background: #22150d;
    border-color: #45301a;
}
body.theme-purple .launch-gradient {
    background: radial-gradient(circle at top right, #b85a1c 0%, #0f0805 65%);
}

.hero-content h2 {
    font-size: 48px;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.hero-content p {
    font-size: 18px;
    color: #666;
    margin-bottom: 30px;
}

.hero-content-dark {
    max-width: 760px;
    margin: 0 auto;
}

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

.home-page .hero-content-dark h2 {
    text-shadow: 0 0 28px rgba(164, 106, 255, 0.16);
}

.hero-content-dark h2,
.hero-content-dark p,
.info-section-dark .section-title,
.info-section-dark p,
.contact-dark .section-title,
.contact-dark p,
.versions-section .section-title,
.version-card-dark h3,
.version-card-dark p,
.example-section h3,
.example-section p,
.dark-surface-section .section-title {
    color: var(--dark-text);
}

.hero-content-dark p,
.info-section-dark p,
.contact-dark p,
.version-card-dark .version-label,
.example-section p,
.showcase-card p,
.launch-metrics span,
.stack-card {
    color: var(--dark-muted);
}

.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.24em;
    font-size: 12px;
    font-weight: 700;
    margin-bottom: 18px;
}

.eyebrow-light {
    color: #666;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.split-hero {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 32px;
    align-items: center;
    max-width: 1100px;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s ease;
}

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

.btn-primary:hover {
    background: #333;
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

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

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

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

.btn-dark-secondary:hover {
    background: var(--dark-surface-alt);
    border-color: #3a3a3a;
}

.btn-switch {
    padding: 10px 18px;
}

.btn-small {
    padding: 8px 16px;
    font-size: 14px;
    background: var(--primary-color);
    color: var(--secondary-color);
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-small:hover {
    background: #333;
}

.btn-remove {
    background: var(--error-color);
    color: white;
    border: none;
    padding: 8px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 18px;
    transition: all 0.3s ease;
}

.btn-remove:hover {
    background: #c82333;
}

.products {
    padding: 80px 0;
    background: var(--secondary-color);
}

.section-title {
    font-size: 36px;
    text-align: center;
    margin-bottom: 40px;
    color: var(--primary-color);
}

.info-section,
.info-section-dark,
.versions-section,
.example-section {
    padding: 90px 0;
}

.info-section-dark,
.versions-section,
.contact-dark,
.dark-surface-section {
    background: var(--dark-bg);
}

.version-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
}

.version-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 18px;
    padding: 32px;
    box-shadow: var(--shadow);
    color: var(--primary-color);
}

.version-card-dark,
.feature-panel,
.glass-card,
.stack-card {
    background: var(--dark-surface);
    border: 1px solid var(--dark-border);
    box-shadow: none;
}

.version-card-dark {
    border-color: var(--dark-border);
}

.version-card h3 {
    font-size: 28px;
    margin-bottom: 12px;
}

.version-card p {
    margin-bottom: 24px;
}

.feature-columns {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
}

.feature-panel {
    padding: 28px;
    border-radius: 18px;
}

.two-column-copy {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 32px;
}

.showcase-card,
.launch-metrics {
    padding: 28px;
    border-radius: 18px;
}

.showcase-stack {
    display: grid;
    gap: 16px;
}

.stack-card {
    padding: 22px;
    border-radius: 16px;
    text-align: left;
    font-size: 18px;
    color: var(--dark-text);
}

.launch-metrics {
    display: grid;
    gap: 16px;
}

.launch-metrics strong {
    display: block;
    color: var(--dark-text);
    font-size: 24px;
    margin-bottom: 4px;
}

.filters {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 8px 20px;
    border: 1px solid var(--border-color);
    background: var(--secondary-color);
    color: var(--text-color);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

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

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.product-card {
    background: var(--secondary-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s ease;
    cursor: pointer;
}

.product-card:hover {
    box-shadow: var(--shadow);
    transform: translateY(-5px);
    border-color: var(--primary-color);
}

.product-image {
    width: 100%;
    height: 250px;
    background: var(--accent-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 60px;
    overflow: hidden;
}

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

.product-info {
    padding: 20px;
}

.product-category {
    font-size: 12px;
    color: #999;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.product-name {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.product-description {
    font-size: 14px;
    color: #666;
    margin-bottom: 15px;
    line-height: 1.5;
}

.product-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.product-price {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-color);
}

.product-rating {
    font-size: 14px;
    color: #ffc107;
}

.about {
    background: var(--accent-color);
    padding: 80px 0;
    text-align: center;
}

.about p {
    font-size: 18px;
    max-width: 600px;
    margin: 0 auto;
    color: #666;
}

.contact {
    padding: 80px 0;
    text-align: center;
}

.contact p {
    font-size: 18px;
    margin-bottom: 30px;
    color: #666;
}

.footer {
    background: var(--primary-color);
    color: var(--secondary-color);
    padding: 40px 0;
    text-align: center;
}

.footer-dark {
    background: #050505;
    border-top: 1px solid var(--dark-border);
}

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

.social-links {
    margin-top: 20px;
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.footer-row .social-links {
    margin-top: 0;
}

.social-links a {
    color: var(--secondary-color);
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.social-links a:hover {
    opacity: 0.7;
}

.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
}

.modal-content {
    background-color: var(--secondary-color);
    margin: 5% auto;
    padding: 0;
    border-radius: 8px;
    width: 90%;
    max-width: 800px;
    max-height: 80vh;
    overflow-y: auto;
}

.close {
    position: absolute;
    right: 20px;
    top: 20px;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    color: var(--text-color);
    z-index: 1001;
}

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

.modal-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    padding: 40px;
}

#modalImage {
    width: 100%;
    height: auto;
    border-radius: 8px;
}

.modal-info h2 {
    font-size: 28px;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.price {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.rating {
    color: #ffc107;
    margin-bottom: 20px;
}

.description {
    color: #666;
    line-height: 1.8;
    margin-bottom: 30px;
}

#addToCartBtn {
    width: 100%;
}

.cart-section {
    padding: 60px 0;
    min-height: calc(100vh - 200px);
}

.cart-content {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 30px;
    margin-top: 40px;
}

.cart-items-container {
    background: var(--secondary-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 30px;
}

.cart-items {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.cart-item {
    display: grid;
    grid-template-columns: 100px 1fr 120px 100px 50px;
    gap: 20px;
    align-items: center;
    padding: 20px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--accent-color);
}

.item-image {
    width: 100px;
    height: 100px;
    background: white;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 50px;
}

.item-details h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--primary-color);
}

.item-category {
    font-size: 12px;
    color: #999;
    text-transform: uppercase;
    margin: 0;
}

.item-creator {
    font-size: 12px;
    color: #666;
    margin: 5px 0 8px 0;
}

.item-price {
    font-weight: 600;
    color: var(--primary-color);
    margin: 0;
}

.item-quantity {
    display: flex;
    align-items: center;
    gap: 10px;
    justify-content: center;
}

.qty-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    width: 30px;
    height: 30px;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
    transition: background 0.3s ease;
}

.qty-btn:hover {
    background: #333;
}

.item-quantity input {
    width: 50px;
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    text-align: center;
    font-weight: 600;
}

.item-total {
    text-align: right;
    font-weight: 700;
    font-size: 18px;
    color: var(--primary-color);
}

.item-remove {
    display: flex;
    justify-content: center;
}

.empty-cart {
    text-align: center;
    padding: 60px 20px;
}

.empty-cart p {
    font-size: 18px;
    color: #999;
    margin-bottom: 30px;
}

.cart-summary {
    background: var(--accent-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 25px;
    height: fit-content;
}

.cart-summary h2 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.summary-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    font-size: 14px;
}

.summary-item label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
}

.summary-item select,
.summary-item input {
    width: 100%;
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 14px;
    margin-top: 5px;
}

.promo-input {
    display: flex;
    gap: 10px;
    margin-top: 5px;
}

.promo-input input {
    flex: 1;
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

.summary-divider {
    border-top: 2px solid var(--border-color);
    margin: 15px 0;
}

.summary-item.discount {
    color: var(--success-color);
    font-weight: 600;
}

.summary-item.total {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-color);
}

.checkout-section {
    padding: 60px 0;
    background: var(--secondary-color);
    min-height: calc(100vh - 200px);
}

.checkout-content {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 40px;
    margin-top: 40px;
}

.checkout-form-container {
    background: var(--secondary-color);
}

.form-section {
    background: var(--accent-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 25px;
    margin-bottom: 20px;
}

.form-section h2 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    margin-bottom: 15px;
}

.form-group label {
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-color);
    font-size: 14px;
}

.form-group input,
.form-group select {
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 14px;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.1);
}

.checkbox-label {
    display: flex;
    align-items: center;
    font-size: 14px;
    cursor: pointer;
    margin-bottom: 15px;
}

.checkbox-label input[type="checkbox"] {
    margin-right: 10px;
    cursor: pointer;
}

.info-text {
    background: #fff3cd;
    border-left: 4px solid #ffc107;
    padding: 12px;
    border-radius: 4px;
    font-size: 13px;
    margin-bottom: 15px;
    color: #856404;
}

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

.processor-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
}

.processor {
    border: 1px solid var(--border-color);
    padding: 15px;
    border-radius: 6px;
    text-align: center;
}

.processor strong {
    display: block;
    margin-bottom: 5px;
    color: var(--primary-color);
}

.processor p {
    font-size: 12px;
    color: #666;
    margin: 5px 0;
}

.order-review {
    background: white;
    padding: 15px;
    border-radius: 6px;
    max-height: 300px;
    overflow-y: auto;
}

.review-item {
    padding: 10px 0;
}

.order-summary-sidebar {
    background: var(--accent-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 25px;
    height: fit-content;
}

.order-summary-sidebar h2 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.summary-items {
    max-height: 300px;
    overflow-y: auto;
    margin-bottom: 15px;
}

.summary-item-checkout {
    padding: 0;
}

.summary-line {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    font-size: 14px;
}

.summary-line.total {
    font-size: 16px;
    font-weight: 700;
    color: var(--primary-color);
}

#successModal .modal-content {
    background-color: var(--secondary-color);
    max-width: 500px;
}

#successModal .modal-body {
    display: block;
    padding: 60px 40px;
}

#successModal .btn-primary {
    background: var(--success-color);
    width: 100%;
}

#successModal .btn-primary:hover {
    background: #218838;
}

@media (max-width: 1024px) {
    .checkout-content,
    .cart-content,
    .version-grid,
    .feature-columns,
    .split-hero,
    .two-column-copy {
        grid-template-columns: 1fr;
    }

    .order-summary-sidebar,
    .cart-summary {
        width: 100%;
    }

    .cart-item {
        grid-template-columns: 80px 1fr 100px;
        gap: 15px;
    }

    .item-remove {
        grid-column: 3;
    }
}

@media (max-width: 768px) {
    .header-content,
    .footer-row {
        flex-direction: column;
        gap: 20px;
    }

    .nav {
        gap: 15px;
    }

    .hero-content h2 {
        font-size: 32px;
    }

    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: 20px;
    }

    .modal-body {
        grid-template-columns: 1fr;
        padding: 20px;
    }

    .filters {
        gap: 10px;
    }

    .filter-btn {
        padding: 6px 15px;
        font-size: 14px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .cart-item {
        grid-template-columns: 70px 1fr;
        gap: 10px;
    }

    .item-quantity,
    .item-total,
    .item-remove {
        grid-column: 1 / -1;
    }

    .processor-info {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .logo h1 {
        font-size: 24px;
    }

    .nav {
        flex-direction: column;
        gap: 10px;
        align-items: center;
    }

    .hero-content h2 {
        font-size: 24px;
    }

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

    .section-title {
        font-size: 24px;
    }

    .form-section,
    .version-card,
    .feature-panel,
    .showcase-card,
    .launch-metrics,
    .stack-card {
        padding: 20px;
    }

    .form-section h2 {
        font-size: 16px;
    }

    .order-summary-sidebar,
    .cart-summary {
        padding: 20px;
    }

    .cart-item {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .item-image {
        width: 100%;
        height: 80px;
    }

    .item-quantity,
    .item-total,
    .item-remove {
        display: flex;
        justify-content: space-between;
        width: 100%;
    }

    .modal-body {
        padding: 20px;
    }

    #successModal .modal-body {
        padding: 40px 20px;
    }
}