/* --- Basic Setup & Variables --- */
:root {
    --obsidian-black: #0F0F0F;
    --electric-purple: #8C52FF;
    --graphite: #B0B0B0;
    --neon-green: #32FF7E;
    --dark-bg: #1A1A1A;
    --border-color: #333;
    --font-heading: 'Orbitron', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

html {
    scroll-behavior: smooth;
    /* Improve scrolling on iOS */
    -webkit-overflow-scrolling: touch;
}

body {
    font-family: var(--font-body);
    background-color: var(--obsidian-black);
    color: #fff;
    line-height: 1.6;
    /* Prevent text size adjustment on orientation change */
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
    /* Better touch scrolling */
    overflow-x: hidden;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: #FFFFFF;
    line-height: 1.2;
    margin-bottom: 1rem;
    text-wrap: balance;
}
h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.5rem; }

p {
    margin-bottom: 1rem;
}

a {
    color: var(--electric-purple);
    text-decoration: none;
    transition: color 0.3s ease;
}
a:hover {
    color: #FFFFFF;
}

.text-electric-purple {
    color: var(--electric-purple);
}

/* --- Layout & Containers --- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}
.container-narrow {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 1rem;
}

.text-center { text-align: center; }
.w-full { width: 100%; }

/* --- Buttons --- */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 5px;
    font-family: var(--font-heading);
    font-weight: 700;
    text-transform: uppercase;
    text-align: center;
    cursor: pointer;
    border: none;
    transition: all 0.3s ease;
    letter-spacing: 1px;
}

.btn-primary {
    background-color: var(--neon-green);
    color: var(--obsidian-black);
    box-shadow: 0 0 10px rgba(50, 255, 126, 0.5);
}
.btn-primary:hover {
    background-color: #fff;
    color: var(--obsidian-black);
    box-shadow: 0 0 20px rgba(50, 255, 126, 0.8);
    transform: translateY(-2px);
}
.btn.added {
    background-color: var(--electric-purple);
    color: #fff;
    cursor: default;
}

.btn-secondary {
    background-color: transparent;
    color: #fff;
    border: 2px solid var(--electric-purple);
}
.btn-secondary:hover {
    background-color: var(--electric-purple);
    color: #fff;
}
.btn-lg {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

/* --- Forms --- */
.form-input {
    width: 100%;
    padding: 0.8rem 1rem;
    background-color: var(--dark-bg);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    color: #fff;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}
.form-input:focus {
    outline: none;
    border-color: var(--electric-purple);
}
.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}
.form-row-double {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}


/* --- Promo Banner --- */
.promo-banner {
    background: linear-gradient(45deg, var(--electric-purple), var(--cyber-blue));
    color: #fff;
    padding: 8px 0;
    font-size: 0.9rem;
    font-weight: 500;
    text-align: center;
    position: sticky;
    top: 0;
    z-index: 1001;
}

.promo-banner-content {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
}

.promo-text {
    font-weight: 500;
}

.promo-link {
    color: #fff;
    text-decoration: underline;
    font-weight: 700;
    transition: opacity 0.3s ease;
}

.promo-link:hover {
    opacity: 0.8;
}

@media (max-width: 768px) {
    .promo-banner-content {
        flex-direction: column;
        gap: 0.5rem;
        padding: 0 1rem;
    }
    
    .promo-banner {
        padding: 12px 0;
    }
    
    .promo-text {
        font-size: 0.85rem;
        text-align: center;
    }
}

/* --- Header & Navbar --- */
.navbar {
    background-color: rgba(15, 15, 15, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}
.navbar-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}
.navbar-brand {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 900;
    color: #fff;
}
.navbar-menu {
    display: flex;
    gap: 1.5rem;
}
.nav-link {
    color: var(--graphite);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
}
.nav-link:hover {
    color: #fff;
}
.navbar-actions {
    position: relative;
}
.cart-icon-container svg {
    stroke: var(--graphite);
    transition: stroke 0.3s ease;
}
.cart-icon-container:hover svg {
    stroke: #fff;
}
.cart-item-count {
    position: absolute;
    top: -5px;
    right: -10px;
    background-color: var(--electric-purple);
    color: #fff;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    font-size: 0.75rem;
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: 700;
    font-family: var(--font-body);
}

/* --- Mobile Menu --- */
.menu-toggle { display: none; }

/* --- Hero Section --- */
.hero {
    position: relative;
    height: calc(100vh - 70px);
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background-size: cover;
    background-position: center;
}
.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(0deg, rgba(15,15,15,1) 0%, rgba(15,15,15,0.6) 50%, rgba(15,15,15,1) 100%);
}
.hero-content {
    position: relative;
    z-index: 2;
    padding: 1rem;
}
.hero-title {
    font-weight: 900;
}
.hero-subtitle {
    font-size: 1.2rem;
    max-width: 600px;
    margin: 1rem auto 0;
    color: var(--graphite);
}

/* --- Sections --- */
section {
    padding: 5rem 0;
}
.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

/* --- Product Card & Grid --- */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
}
.product-card {
    background-color: var(--dark-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.4);
}
.product-image-container {
    aspect-ratio: 1 / 1;
    overflow: hidden;
    background-color: var(--obsidian-black);
}
.product-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}
.product-card:hover .product-image {
    transform: scale(1.05);
}
.product-info {
    padding: 1.5rem;
}
.product-name {
    font-size: 1.2rem;
    color: #fff;
    margin-bottom: 0.5rem;
}
.product-price {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--neon-green);
    font-family: var(--font-heading);
    margin-bottom: 0;
}
.product-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    padding: 0 1.5rem 1.5rem;
    margin-top: auto;
}

/* --- Product Filters --- */
.product-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}
.filter-btn {
    background: transparent;
    color: var(--graphite);
    border: 1px solid var(--border-color);
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
}
.filter-btn:hover {
    color: #fff;
    border-color: var(--electric-purple);
}
.filter-btn.active {
    background: var(--electric-purple);
    color: #fff;
    border-color: var(--electric-purple);
}

/* --- Why Vault Section --- */
.why-vault-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}
.feature-card {
    background-color: var(--dark-bg);
    padding: 2rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    text-align: center;
}
.feature-title {
    color: var(--electric-purple);
}

/* --- FAQ Section --- */
.faq {
    background-color: var(--bg-dark);
    padding: 5rem 0;
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border: 1px solid var(--border-color);
    border-radius: 12px;
    margin-bottom: 1rem;
    background-color: var(--dark-bg);
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.faq-item:hover {
    border-color: var(--electric-purple);
    box-shadow: 0 4px 16px rgba(139, 69, 255, 0.1);
}

.faq-item.active {
    border-color: var(--electric-purple);
    box-shadow: 0 4px 16px rgba(139, 69, 255, 0.15);
}

.faq-question {
    width: 100%;
    padding: 1.5rem;
    background: none;
    border: none;
    color: var(--text-light);
    font-size: 1.1rem;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.faq-question:hover {
    color: var(--electric-purple);
    background: rgba(139, 69, 255, 0.05);
}

.faq-question[aria-expanded="true"] {
    color: var(--electric-purple);
    background: rgba(139, 69, 255, 0.08);
}

.faq-question::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 1.5rem;
    right: 1.5rem;
    height: 1px;
    background: var(--border-color);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.faq-question[aria-expanded="true"]::after {
    transform: scaleX(1);
    background: var(--electric-purple);
}

.faq-icon {
    color: var(--text-gray);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    flex-shrink: 0;
    width: 20px;
    height: 20px;
}

.faq-question:hover .faq-icon {
    color: var(--electric-purple);
    transform: scale(1.1);
}

.faq-question[aria-expanded="true"] .faq-icon {
    color: var(--electric-purple);
    transform: rotate(45deg) scale(1.1);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
    transform: translateY(-10px);
}

.faq-item.active .faq-answer {
    max-height: 300px;
    opacity: 1;
    transform: translateY(0);
    padding: 0 1.5rem 1.5rem;
}

.faq-answer p {
    color: var(--text-gray);
    line-height: 1.7;
    margin: 0;
    padding-top: 1rem;
    font-size: 0.95rem;
}

/* Improved FAQ styles for better UX */
.faq-item:last-child {
    margin-bottom: 0;
}

/* --- Articles Section --- */
.articles {
    background-color: var(--bg-dark);
    padding: 5rem 0;
}

.section-subtitle {
    text-align: center;
    color: var(--text-gray);
    font-size: 1.2rem;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.article-card {
    background-color: var(--dark-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    height: 100%;
}

.article-card:hover {
    transform: translateY(-4px);
    border-color: var(--electric-purple);
    box-shadow: 0 8px 32px rgba(139, 69, 255, 0.2);
}

.article-link {
    display: block;
    text-decoration: none;
    color: inherit;
    height: 100%;
}

.article-image {
    width: 100%;
    height: 240px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.article-hero-image {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 8px;
    margin: 1.5rem 0;
}

.article-card:hover .article-image {
    transform: scale(1.05);
}

.article-content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.article-category {
    color: var(--electric-purple);
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.article-title {
    color: var(--text-light);
    font-size: 1.25rem;
    font-weight: 700;
    line-height: 1.4;
    margin: 0;
}

.article-excerpt {
    color: var(--text-gray);
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
    flex-grow: 1;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 0.5rem;
}

.article-reading-time {
    color: var(--text-gray);
    font-size: 0.875rem;
}

/* --- Newsletter Section --- */
.newsletter {
    background-color: var(--dark-bg);
}
.newsletter-form {
    display: flex;
    gap: 1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* --- Footer --- */
.footer {
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 100%);
    border-top: 1px solid var(--border-color);
    font-size: 0.875rem;
    margin-top: auto;
}

.footer-main {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    padding: 3rem 0 2rem;
    border-bottom: 1px solid var(--border-color);
}

.footer-section {
    display: flex;
    flex-direction: column;
}

.footer-brand {
    gap: 1rem;
}

.footer-logo {
    text-decoration: none;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    margin-bottom: 1rem;
}

.logo-text {
    font-family: 'Orbitron', monospace;
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--text-light);
    letter-spacing: 0.1em;
}

.logo-tagline {
    font-size: 0.75rem;
    color: var(--electric-purple);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-description {
    color: var(--text-gray);
    line-height: 1.6;
    margin-bottom: 1.5rem;
    font-size: 0.875rem;
}

.footer-company {
    margin-top: auto;
}

.footer-company p {
    color: var(--text-gray);
    margin: 0;
    font-size: 0.8rem;
    line-height: 1.4;
}

.footer-title {
    color: var(--text-light);
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    color: var(--text-gray);
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 0.875rem;
    line-height: 1.4;
}

.footer-links a:hover {
    color: var(--electric-purple);
    transform: translateX(4px);
}

.footer-link-highlight {
    color: var(--text-light) !important;
    font-weight: 500;
}

.footer-link-highlight:hover {
    color: var(--electric-purple) !important;
}

.footer-bottom {
    padding: 1.5rem 0;
    background: rgba(0, 0, 0, 0.3);
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-payment {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.footer-payment-text {
    color: var(--text-gray);
    font-size: 0.8rem;
    font-weight: 500;
}

.payment-icons {
    display: flex;
    gap: 0.5rem;
}

.payment-icon {
    font-size: 1.2rem;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.payment-icon:hover {
    opacity: 1;
}

.footer-shipping {
    display: flex;
    align-items: center;
}

.footer-shipping-text {
    color: var(--electric-purple);
    font-size: 0.85rem;
    font-weight: 500;
}

/* Footer hover effects */
.footer-section:hover .footer-title {
    color: var(--electric-purple);
}

/* --- Inner Pages --- */
.page-main { padding: 4rem 0; }
.page-header {
    text-align: center;
    margin-bottom: 3rem;
}
.page-title { font-size: 3rem; }

/* --- Content Box --- */
.content-box {
    background-color: var(--dark-bg);
    border: 1px solid var(--border-color);
    padding: 2rem;
    border-radius: 8px;
}
.content-box-container { display: flex; flex-direction: column; gap: 2rem; }
.content-box-title { color: var(--electric-purple); }
.details-list { list-style: none; }
.details-list li { margin-bottom: 0.5rem; }

/* --- Contact Page --- */
.contact-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
}
.contact-form { display: flex; flex-direction: column; gap: 1.5rem; }
.map-container { margin-top: 1.5rem; border-radius: 8px; overflow: hidden; }

/* --- FAQ Page --- */
.faq-container { display: flex; flex-direction: column; gap: 1rem; }
.faq-item {
    background-color: var(--dark-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}
.faq-question {
    width: 100%;
    background: none;
    border: none;
    text-align: left;
    padding: 1.5rem;
    font-size: 1.2rem;
    font-family: var(--font-heading);
    color: #fff;
    cursor: pointer;
    position: relative;
}
.faq-question::after {
    content: '+';
    position: absolute;
    right: 1.5rem;
    font-size: 1.5rem;
    transition: transform 0.3s ease;
}
.faq-question[aria-expanded="true"]::after {
    transform: rotate(45deg);
}
.faq-answer {
    padding: 0 1.5rem 1.5rem;
    border-top: 1px solid var(--border-color);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}
.faq-question[aria-expanded="true"] + .faq-answer {
    max-height: 300px;
}
.faq-answer p { margin: 0; }


/* --- Product Detail Page --- */
.product-detail-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: flex-start;
}
.product-gallery .main-image-container {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 1rem;
}
.product-detail-image {
    width: 100%;
    aspect-ratio: 1/1;
    object-fit: cover;
    cursor: pointer;
}
.product-thumbnails {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}
.thumbnail-img {
    width: 100%;
    aspect-ratio: 1/1;
    object-fit: cover;
    border-radius: 5px;
    border: 2px solid var(--border-color);
    cursor: pointer;
    transition: border-color 0.3s ease;
    opacity: 0.6;
}
.thumbnail-img:hover, .thumbnail-img.active {
    border-color: var(--electric-purple);
    opacity: 1;
}

.product-detail-title {
    font-size: 2.8rem;
}
.product-detail-price {
    font-size: 2rem;
    color: var(--neon-green);
    font-family: var(--font-heading);
    margin-bottom: 1.5rem;
}
.product-detail-description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
}
.product-specs {
    margin-top: 2rem;
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
}
.specs-list {
    list-style: none;
}
.specs-list li {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid #222;
}

/* Image Modal */
.image-modal {
    display: none;
    position: fixed;
    z-index: 2000;
    padding-top: 50px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.9);
}
.modal-content {
    margin: auto;
    display: block;
    max-width: 80%;
    max-height: 80vh;
}
.close-modal {
    position: absolute;
    top: 15px;
    right: 35px;
    color: #f1f1f1;
    font-size: 40px;
    font-weight: bold;
    transition: 0.3s;
    cursor: pointer;
}
.close-modal:hover, .close-modal:focus {
    color: #bbb;
    text-decoration: none;
}


/* --- Cart & Checkout --- */
.cart-grid, .checkout-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
    align-items: flex-start;
}
.cart-table {
    width: 100%;
    border-collapse: collapse;
}
.cart-table th, .cart-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}
.cart-item-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}
.cart-item-image {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 5px;
}
.quantity-input {
    width: 60px;
    text-align: center;
}
.btn-remove {
    background: none;
    border: none;
    color: #ff4d4d;
    font-size: 1.5rem;
    cursor: pointer;
}
.summary-row {
    display: flex;
    justify-content: space-between;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
}
.summary-row.total {
    font-size: 1.2rem;
    font-weight: bold;
    color: #fff;
}
.order-summary-list { list-style: none; margin-bottom: 1rem; }
.order-summary-list li { display: flex; justify-content: space-between; padding: 0.5rem 0; }

/* --- Payment Method Selection --- */
.payment-method-section {
    margin-top: 2rem;
    margin-bottom: 2rem;
}

.form-section-title {
    color: #fff;
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.payment-methods-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.payment-method-card {
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background: rgba(51, 51, 51, 0.3);
    transition: all 0.3s ease;
    cursor: pointer;
}

.payment-method-card:hover {
    border-color: var(--accent-color);
    background: rgba(51, 51, 51, 0.5);
}

.payment-method-card.selected {
    border-color: var(--accent-color);
    background: rgba(var(--accent-rgb), 0.1);
}

.payment-method-radio input[type="radio"] {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.payment-method-label {
    display: block;
    padding: 1rem;
    cursor: pointer;
    width: 100%;
}

.payment-method-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.payment-method-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    flex-shrink: 0;
}

.stripe-icon {
    background: rgba(99, 102, 241, 0.1);
    color: #6366f1;
}

.paypal-icon {
    background: rgba(0, 112, 204, 0.1);
    color: #0070cc;
}

.payment-method-text h4 {
    margin: 0 0 0.25rem 0;
    color: #fff;
    font-size: 1rem;
    font-weight: 600;
}

.payment-method-text p {
    margin: 0;
    color: var(--graphite);
    font-size: 0.875rem;
}

@media (max-width: 768px) {
    .payment-methods-grid {
        grid-template-columns: 1fr;
    }
}

/* --- Prose for Legal Pages --- */
.prose { max-width: 100%; }
.prose h1, .prose h2 { margin-bottom: 1.5rem; color: #fff; }
.prose p { margin-bottom: 1.5rem; color: var(--graphite); }
.prose a { font-weight: 500; }

/* --- Responsive Design --- */
@media (max-width: 992px) {
    h1 { font-size: 2.8rem; }
    h2 { font-size: 2rem; }
    .contact-grid, .product-detail-layout, .cart-grid, .checkout-grid {
        grid-template-columns: 1fr;
    }
    
    /* Product grid adjustments for tablets */
    .product-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 1.5rem;
    }
    
    /* Hero adjustments for tablets */
    .hero-content {
        padding: 2rem;
    }
    
    .hero-title {
        font-size: 2.8rem;
    }
    
    /* Container padding for tablets */
    .container {
        padding: 0 2rem;
    }
    
    /* Footer responsive styles for tablets */
    .footer-main {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
    
    .footer-brand {
        grid-column: 1 / -1;
        text-align: center;
        margin-bottom: 1rem;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    /* FAQ responsive styles for tablets */
    .faq-question {
        padding: 1.4rem;
        font-size: 1.05rem;
    }
    
    .faq-question::after {
        left: 1.4rem;
        right: 1.4rem;
    }
    
    /* Why Vault grid for tablets */
    .why-vault-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 1.5rem;
    }
    
    /* Newsletter form for tablets */
    .newsletter-form {
        max-width: 400px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    /* Professional Mobile Navigation */
    .navbar-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: linear-gradient(135deg, var(--obsidian-black) 0%, rgba(15, 15, 15, 0.98) 100%);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: flex-start;
        padding: 5rem 2rem 2rem;
        transition: right 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
        border-left: 1px solid var(--border-color);
        gap: 0;
        z-index: 999;
        box-shadow: -5px 0 25px rgba(0, 0, 0, 0.3);
        overflow-y: auto;
    }
    
    .navbar-menu.active {
        right: 0;
    }
    
    .nav-link {
        width: 100%;
        padding: 1rem 1.5rem;
        color: var(--graphite);
        font-weight: 500;
        text-transform: uppercase;
        letter-spacing: 1px;
        font-size: 0.95rem;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        transition: all 0.3s ease;
        position: relative;
        overflow: hidden;
    }
    
    .nav-link::before {
        content: '';
        position: absolute;
        left: 0;
        top: 0;
        width: 4px;
        height: 100%;
        background: var(--electric-purple);
        transform: scaleY(0);
        transition: transform 0.3s ease;
    }
    
    .nav-link:hover {
        color: #fff;
        background: rgba(140, 82, 255, 0.1);
        transform: translateX(5px);
    }
    
    .nav-link:hover::before {
        transform: scaleY(1);
    }
    
    .nav-link:last-child {
        border-bottom: none;
    }
    
    /* Professional Hamburger Menu */
    .menu-toggle {
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        width: 32px;
        height: 32px;
        cursor: pointer;
        border: none;
        background: transparent;
        padding: 4px;
        border-radius: 4px;
        transition: background-color 0.3s ease;
        z-index: 1001;
        position: relative;
    }
    
    .menu-toggle:hover {
        background: rgba(255, 255, 255, 0.1);
    }
    
    .hamburger,
    .hamburger::before,
    .hamburger::after {
        width: 24px;
        height: 2px;
        background-color: #fff;
        border-radius: 1px;
        transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
        position: relative;
    }
    
    .hamburger::before,
    .hamburger::after {
        content: '';
        position: absolute;
        left: 0;
    }
    
    .hamburger::before { 
        top: -7px; 
    }
    
    .hamburger::after { 
        top: 7px; 
    }
    
    /* Menu Active States */
    .menu-toggle.active {
        background: rgba(140, 82, 255, 0.2);
    }
    
    .menu-toggle.active .hamburger {
        background-color: transparent;
    }
    
    .menu-toggle.active .hamburger::before {
        top: 0;
        transform: rotate(45deg);
        background-color: var(--electric-purple);
    }
    
    .menu-toggle.active .hamburger::after {
        top: 0;
        transform: rotate(-45deg);
        background-color: var(--electric-purple);
    }
    
    /* Mobile Menu Overlay */
    .navbar-menu.active::before {
        content: '';
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
        background: rgba(0, 0, 0, 0.5);
        backdrop-filter: blur(2px);
        z-index: -1;
        animation: fadeIn 0.3s ease-out;
    }
    
    @keyframes fadeIn {
        from { opacity: 0; }
        to { opacity: 1; }
    }
    
    /* Mobile Cart Icon Enhancement */
    .navbar-actions {
        display: flex;
        align-items: center;
        gap: 0.5rem;
    }
    
    .cart-icon-container {
        padding: 0.5rem;
        border-radius: 6px;
        transition: background-color 0.3s ease;
    }
    
    .cart-icon-container:hover {
        background: rgba(255, 255, 255, 0.1);
    }
    
    /* Mobile Menu Animation Enhancements */
    .nav-link {
        opacity: 0;
        transform: translateX(20px);
        animation: slideInFromRight 0.6s ease-out forwards;
    }
    
    .navbar-menu.active .nav-link:nth-child(1) { animation-delay: 0.1s; }
    .navbar-menu.active .nav-link:nth-child(2) { animation-delay: 0.15s; }
    .navbar-menu.active .nav-link:nth-child(3) { animation-delay: 0.2s; }
    .navbar-menu.active .nav-link:nth-child(4) { animation-delay: 0.25s; }
    .navbar-menu.active .nav-link:nth-child(5) { animation-delay: 0.3s; }
    .navbar-menu.active .nav-link:nth-child(6) { animation-delay: 0.35s; }
    
    @keyframes slideInFromRight {
        from {
            opacity: 0;
            transform: translateX(20px);
        }
        to {
            opacity: 1;
            transform: translateX(0);
        }
    }
    
    /* Reset animations when menu closes */
    .navbar-menu:not(.active) .nav-link {
        opacity: 0;
        transform: translateX(20px);
        animation: none;
    }
    
    /* Mobile Menu Close Button */
    .mobile-menu-header {
        position: absolute;
        top: 1.5rem;
        right: 1.5rem;
        width: 32px;
        height: 32px;
        background: transparent;
        border: none;
        cursor: pointer;
        border-radius: 50%;
        transition: background-color 0.3s ease;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .mobile-menu-header:hover {
        background: rgba(255, 255, 255, 0.1);
    }
    
    .mobile-menu-header::before,
    .mobile-menu-header::after {
        content: '';
        position: absolute;
        width: 18px;
        height: 2px;
        background: var(--graphite);
        transition: background-color 0.3s ease;
    }
    
    .mobile-menu-header::before {
        transform: rotate(45deg);
    }
    
    .mobile-menu-header::after {
        transform: rotate(-45deg);
    }
    
    .mobile-menu-header:hover::before,
    .mobile-menu-header:hover::after {
        background: #fff;
    }

    /* Container and layout improvements */
    .container {
        padding: 0 1rem;
    }
    
    /* Hero section improvements */
    .hero {
        height: 70vh;
        min-height: 500px;
    }
    
    .hero-content {
        padding: 1.5rem;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
        line-height: 1.2;
        margin-bottom: 1rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
        margin-bottom: 2rem;
    }
    
    /* Product grid improvements */
    .product-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: 1.5rem;
    }
    
    .product-card {
        margin-bottom: 0;
    }
    
    .product-info {
        padding: 1.25rem;
    }
    
    .product-actions {
        padding: 0 1.25rem 1.25rem;
        gap: 0.75rem;
    }
    
    /* Product filters improvements */
    .product-filters {
        gap: 0.5rem;
        margin-bottom: 2rem;
    }
    
    .filter-btn {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }
    
    /* Newsletter and form improvements */
    .newsletter-form { 
        flex-direction: column;
        gap: 1rem;
    }
    
    .form-input {
        padding: 1rem;
        font-size: 1rem;
    }
    
    .btn {
        padding: 0.875rem 1.5rem;
        font-size: 0.9rem;
    }
    
    .btn-lg {
        padding: 1rem 2rem;
        font-size: 1rem;
    }
    
    /* Section spacing improvements */
    .section {
        padding: 3rem 0;
    }
    
    .section-title {
        font-size: 2.2rem;
        margin-bottom: 1rem;
    }
    
    .section-subtitle {
        font-size: 1.1rem;
        margin-bottom: 2.5rem;
    }
    
    /* Page header improvements */
    .page-header {
        text-align: center;
        margin-bottom: 2rem;
    }
    
    .page-title {
        font-size: 2.5rem;
    }
    
    /* Why Vault grid improvements */
    .why-vault-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .why-vault-item {
        text-align: center;
        padding: 1.5rem;
    }
    
    /* Footer responsive styles for mobile */
    .footer-main {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 2rem 0 1.5rem;
    }
    
    .footer-brand {
        text-align: center;
        margin-bottom: 1rem;
    }
    
    .footer-section {
        text-align: center;
    }
    
    .footer-links {
        align-items: center;
    }
    
    .footer-bottom {
        padding: 1rem 0;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
        gap: 0.75rem;
    }
    
    .footer-payment {
        justify-content: center;
    }
    
    /* Form improvements */
    .form-row-double { 
        grid-template-columns: 1fr; 
        gap: 1rem;
    }
    
    .contact-form,
    .checkout-form {
        padding: 1.5rem;
    }
    
    /* Content box improvements */
    .content-box {
        padding: 1.5rem;
        margin-bottom: 1.5rem;
    }
    
    .content-box-title {
        font-size: 1.5rem;
        margin-bottom: 1rem;
    }
    
    /* Articles responsive styles */
    .articles-grid { 
        grid-template-columns: 1fr; 
        gap: 1.5rem;
    }
    
    .article-card {
        margin-bottom: 0;
    }
    
    /* Cart and checkout improvements */
    .cart-table {
        font-size: 0.9rem;
    }
    
    .cart-table th,
    .cart-table td {
        padding: 0.75rem 0.5rem;
    }
    
    .cart-item-image {
        width: 60px;
        height: 60px;
    }
    
    .quantity-input {
        width: 60px;
        padding: 0.5rem;
    }
    
    /* Product detail improvements */
    .product-detail-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .product-gallery {
        order: -1;
    }
    
    .product-thumbnails {
        justify-content: center;
        gap: 0.5rem;
    }
    
    .thumbnail-img {
        width: 60px;
        height: 60px;
    }
    
    /* Shipping grid improvements */
    .shipping-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

@media (max-width: 480px) {
    /* Typography improvements for small screens */
    h1 { 
        font-size: 2rem; 
        line-height: 1.2;
    }
    
    h2 {
        font-size: 1.8rem;
        line-height: 1.3;
    }
    
    h3 {
        font-size: 1.5rem;
    }
    
    /* Container and spacing improvements */
    .container {
        padding: 0 0.75rem;
    }
    
    .section {
        padding: 2rem 0;
    }
    
    /* Hero improvements for small screens */
    .hero { 
        height: 60vh;
        min-height: 400px;
    }
    
    .hero-content {
        padding: 1rem;
    }
    
    .hero-title {
        font-size: 1.8rem;
        margin-bottom: 0.75rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: 1.5rem;
    }
    
    /* Product grid for very small screens */
    .product-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .product-actions { 
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }
    
    .product-info {
        padding: 1rem;
    }
    
    .product-actions {
        padding: 0 1rem 1rem;
    }
    
    .product-name {
        font-size: 1.1rem;
    }
    
    .product-price {
        font-size: 1.2rem;
    }
    
    /* Button improvements for small screens */
    .btn {
        padding: 0.75rem 1.25rem;
        font-size: 0.85rem;
        width: 100%;
        text-align: center;
    }
    
    .btn-lg {
        padding: 0.875rem 1.5rem;
        font-size: 0.95rem;
    }
    
    /* Form improvements for small screens */
    .form-input {
        padding: 0.875rem;
        font-size: 1rem;
    }
    
    .form-label {
        font-size: 0.9rem;
        margin-bottom: 0.5rem;
    }
    
    .content-box {
        padding: 1rem;
    }
    
    .content-box-title {
        font-size: 1.3rem;
        margin-bottom: 0.75rem;
    }
    
    /* Page header improvements */
    .page-title {
        font-size: 2rem;
        margin-bottom: 0.5rem;
    }
    
    .section-title {
        font-size: 1.8rem;
        margin-bottom: 0.75rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
        margin-bottom: 2rem;
    }
    
    /* Navigation improvements */
    .navbar-container {
        height: 60px;
        padding: 0 1rem;
    }
    
    .navbar-brand img {
        max-height: 40px;
    }
    
    /* Adjust mobile side menu for small screens */
    .navbar-menu {
        width: 260px;
        padding: 4rem 1.5rem 2rem;
    }
    
    .nav-link {
        font-size: 0.85rem;
        padding: 0.875rem 1.25rem;
    }
    
    .menu-toggle {
        width: 28px;
        height: 28px;
    }
    
    .hamburger,
    .hamburger::before,
    .hamburger::after {
        width: 20px;
    }
    
    /* Promo banner improvements */
    .promo-banner {
        padding: 10px 0;
        font-size: 0.8rem;
    }
    
    .promo-text {
        font-size: 0.8rem;
        line-height: 1.3;
    }
    
    .promo-link {
        font-size: 0.8rem;
        white-space: nowrap;
    }
    
    /* Articles responsive styles for mobile */
    .articles-grid { 
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .article-content {
        padding: 1rem;
    }
    
    .article-title {
        font-size: 1.2rem;
        margin-bottom: 0.5rem;
    }
    
    /* FAQ responsive styles for mobile */
    .faq-question {
        padding: 1rem;
        font-size: 0.95rem;
    }
    
    .faq-question::after {
        left: 1rem;
        right: 1rem;
    }
    
    .faq-item.active .faq-answer {
        padding: 0 1rem 1rem;
    }
    
    .faq-answer p {
        padding-top: 0.5rem;
        font-size: 0.85rem;
        line-height: 1.5;
    }
    
    /* Footer improvements for small screens */
    .footer {
        font-size: 0.9rem;
    }
    
    .footer-title {
        font-size: 1.1rem;
        margin-bottom: 0.75rem;
    }
    
    .footer-links a {
        padding: 0.25rem 0;
    }
    
    .footer-description {
        font-size: 0.85rem;
    }
    
    /* Cart table improvements for small screens */
    .cart-table {
        font-size: 0.8rem;
    }
    
    .cart-table th,
    .cart-table td {
        padding: 0.5rem 0.25rem;
    }
    
    .cart-item-image {
        width: 50px;
        height: 50px;
    }
    
    .quantity-input {
        width: 50px;
        padding: 0.25rem;
        font-size: 0.8rem;
    }
    
    .btn-remove {
        padding: 0.25rem 0.5rem;
        font-size: 1.2rem;
    }
    
    /* Product detail improvements for small screens */
    .product-thumbnails {
        gap: 0.25rem;
        margin-top: 0.5rem;
    }
    
    .thumbnail-img {
        width: 50px;
        height: 50px;
    }
    
    .product-detail-info {
        padding: 1rem;
    }
    
    .product-detail-title {
        font-size: 1.5rem;
    }
    
    .product-detail-price {
        font-size: 1.8rem;
    }
    
    /* Checkout improvements for small screens */
    .checkout-grid {
        gap: 1rem;
    }
    
    .payment-method-card {
        padding: 1rem;
    }
    
    .order-summary-list {
        font-size: 0.9rem;
    }
    
    /* Newsletter improvements for small screens */
    .newsletter-form .form-input {
        margin-bottom: 0.75rem;
    }
    
    .newsletter-form .btn {
        margin-top: 0;
    }
    
    /* General spacing and layout improvements */
    .why-vault-item {
        padding: 1rem;
    }
    
    .why-vault-title {
        font-size: 1.2rem;
    }
    
    /* Filter buttons for small screens */
    .filter-btn {
        padding: 0.4rem 0.8rem;
        font-size: 0.8rem;
        margin: 0.2rem;
    }
    
    .product-filters {
        gap: 0.3rem;
        margin-bottom: 1.5rem;
    }
}

/* --- Shipping Page Styles --- */
.shipping-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 1rem;
}

.shipping-option h4 {
    color: var(--electric-purple);
    margin-bottom: 0.75rem;
    font-size: 1.1rem;
}

.warranty-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.warranty-item {
    background-color: var(--dark-bg);
    border: 1px solid var(--border-color);
    padding: 1.5rem;
    border-radius: 8px;
}

.warranty-item h4 {
    color: var(--electric-purple);
    margin-bottom: 0.5rem;
}

/* --- Additional Mobile Enhancements --- */

/* Better tap highlighting and touch interactions */
* {
    -webkit-tap-highlight-color: rgba(140, 82, 255, 0.3);
    -webkit-touch-callout: none;
}

button, .btn, .nav-link, .product-card {
    -webkit-tap-highlight-color: rgba(140, 82, 255, 0.3);
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    user-select: none;
}

/* Larger touch targets for mobile */
@media (hover: none) and (pointer: coarse) {
    .btn {
        min-height: 44px;
        padding: 0.75rem 1.5rem;
    }
    
    .nav-link {
        padding: 0.75rem 1rem;
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .filter-btn {
        min-height: 44px;
        padding: 0.75rem 1rem;
    }
    
    .faq-question {
        min-height: 60px;
        display: flex;
        align-items: center;
    }
    
    .cart-icon-container {
        padding: 0.5rem;
        min-height: 44px;
        min-width: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .product-card {
        /* Better touch interaction */
        cursor: pointer;
    }
    
    .form-input, .form-select {
        min-height: 44px;
        font-size: 16px; /* Prevents zoom on iOS */
    }
}

/* Prevent zoom on form inputs on iOS */
@media screen and (-webkit-min-device-pixel-ratio: 0) {
    select, textarea, input[type="text"], input[type="password"], 
    input[type="datetime"], input[type="datetime-local"], 
    input[type="date"], input[type="month"], input[type="time"], 
    input[type="week"], input[type="number"], input[type="email"], 
    input[type="url"], input[type="search"], input[type="tel"], 
    input[type="color"] {
        font-size: 16px;
    }
}

/* Ultra-wide screens */
@media (min-width: 1400px) {
    .container {
        max-width: 1320px;
    }
    
    .product-grid {
        grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    }
    
    .hero-title {
        font-size: 4.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.4rem;
    }
}

/* Very small screens (320px and below) */
@media (max-width: 320px) {
    .container {
        padding: 0 0.5rem;
    }
    
    .hero-title {
        font-size: 1.6rem;
    }
    
    .hero-subtitle {
        font-size: 0.9rem;
    }
    
    .btn {
        padding: 0.6rem 1rem;
        font-size: 0.8rem;
    }
    
    .product-name {
        font-size: 1rem;
    }
    
    .product-price {
        font-size: 1.1rem;
    }
    
    .content-box {
        padding: 0.75rem;
    }
    
    .navbar-container {
        height: 55px;
    }
    
    .navbar-brand img {
        max-height: 35px;
    }
    
    /* Ultra-small screen mobile menu adjustments */
    .navbar-menu {
        width: 240px;
        padding: 3.5rem 1rem 1.5rem;
    }
    
    .nav-link {
        font-size: 0.8rem;
        padding: 0.75rem 1rem;
    }
    
    .menu-toggle {
        width: 26px;
        height: 26px;
    }
    
    .hamburger,
    .hamburger::before,
    .hamburger::after {
        width: 18px;
    }
    
    .promo-banner {
        padding: 8px 0;
        font-size: 0.75rem;
    }
    
    .form-input {
        padding: 0.75rem;
    }
    
    .faq-question {
        padding: 0.875rem;
        font-size: 0.9rem;
    }
}

/* Landscape phone orientation */
@media (max-width: 768px) and (orientation: landscape) {
    .hero {
        height: 90vh;
    }
    
    .navbar-menu {
        padding: 1rem 0;
        gap: 1rem;
    }
    
    .section {
        padding: 2rem 0;
    }
}

/* Print styles */
@media print {
    .navbar,
    .footer,
    .promo-banner,
    .btn,
    .product-actions {
        display: none !important;
    }
    
    .container {
        padding: 0;
    }
    
    .product-card {
        border: 1px solid #ddd;
        margin-bottom: 1rem;
        break-inside: avoid;
    }
    
    .hero {
        height: auto;
        min-height: auto;
        background: none;
    }
    
    .hero-title,
    .product-name,
    .section-title {
        color: #000;
    }
}

.warranty-tier h4 {
    color: var(--neon-green);
    margin-bottom: 0.75rem;
    font-size: 1.1rem;
}

.return-option h4 {
    color: var(--electric-purple);
    margin-bottom: 0.75rem;
    font-size: 1.1rem;
}

.tracking-form input {
    font-family: var(--font-body);
    font-size: 1rem;
}

.tracking-form input:focus {
    outline: none;
    border-color: var(--electric-purple);
    box-shadow: 0 0 0 2px rgba(140, 82, 255, 0.2);
}

.quick-actions .btn {
    min-width: 120px;
}

/* Responsive adjustments for shipping page */
@media (max-width: 768px) {
    .shipping-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .tracking-form > div {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .quick-actions > div {
        flex-direction: column;
        align-items: center;
    }
    
    .quick-actions .btn {
        width: 100%;
        max-width: 250px;
    }
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #4a90e2, #357abd);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 20px;
    font-weight: bold;
    box-shadow: 0 4px 15px rgba(74, 144, 226, 0.3);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: linear-gradient(135deg, #357abd, #2968a3);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(74, 144, 226, 0.4);
}

@media (max-width: 768px) {
    .back-to-top {
        width: 45px;
        height: 45px;
        bottom: 20px;
        right: 20px;
        font-size: 18px;
    }
}

/* --- Cookie Banner --- */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, var(--dark-bg), var(--obsidian-black));
    border-top: 2px solid var(--electric-purple);
    padding: 1.5rem;
    z-index: 10000;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    transform: translateY(100%);
    transition: transform 0.4s ease;
}

.cookie-banner.show {
    transform: translateY(0);
}

.cookie-banner-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.cookie-banner-text {
    flex: 1;
    min-width: 300px;
}

.cookie-banner-title {
    color: #fff;
    font-family: var(--font-heading);
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.cookie-banner-description {
    color: var(--graphite);
    font-size: 0.95rem;
    line-height: 1.5;
    margin-bottom: 0;
}

.cookie-banner-description a {
    color: var(--electric-purple);
    text-decoration: underline;
    transition: color 0.3s ease;
}

.cookie-banner-description a:hover {
    color: var(--neon-green);
}

.cookie-banner-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
}

.cookie-banner .btn {
    padding: 0.6rem 1.2rem;
    font-size: 0.9rem;
    border-radius: 6px;
    white-space: nowrap;
    min-width: 100px;
}

.cookie-banner .btn-accept {
    background-color: var(--neon-green);
    color: var(--obsidian-black);
    font-weight: 700;
    box-shadow: 0 0 15px rgba(50, 255, 126, 0.3);
}

.cookie-banner .btn-accept:hover {
    box-shadow: 0 0 25px rgba(50, 255, 126, 0.5);
    transform: translateY(-1px);
}

.cookie-banner .btn-decline {
    background-color: transparent;
    color: var(--graphite);
    border: 1px solid var(--border-color);
}

.cookie-banner .btn-decline:hover {
    background-color: var(--border-color);
    color: #fff;
}

.cookie-banner .btn-settings {
    background-color: transparent;
    color: var(--electric-purple);
    border: 1px solid var(--electric-purple);
    font-size: 0.85rem;
    padding: 0.5rem 1rem;
}

.cookie-banner .btn-settings:hover {
    background-color: var(--electric-purple);
    color: #fff;
}

.cookie-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    color: var(--graphite);
    font-size: 1.5rem;
    cursor: pointer;
    transition: color 0.3s ease;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cookie-close:hover {
    color: #fff;
}

@media (max-width: 768px) {
    .cookie-banner {
        padding: 1.25rem;
    }
    
    .cookie-banner-content {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }
    
    .cookie-banner-text {
        min-width: auto;
    }
    
    .cookie-banner-actions {
        justify-content: center;
        width: 100%;
        gap: 0.75rem;
    }
    
    .cookie-banner .btn {
        flex: 1;
        min-width: auto;
        max-width: 120px;
    }
    
    .cookie-close {
        top: 0.75rem;
        right: 0.75rem;
    }
}

@media (max-width: 480px) {
    .cookie-banner-actions {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .cookie-banner .btn {
        width: 100%;
        max-width: 200px;
    }
}