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

:root {
    /* Colors */
    --primary-color: #0080ff;
    --secondary-color: #00d4ff;
    --dark-bg: #0a0a0a;
    --dark-gray: #1a1a1a;
    --medium-gray: #2a2a2a;
    --light-gray: #3a3a3a;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --accent-blue: #0080ff;
    --accent-cyan: #00d4ff;
    --success: #00ff88;
    --warning: #ffaa00;
    --error: #ff3333;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    --spacing-xxl: 6rem;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-size-xs: 0.875rem;
    --font-size-sm: 1rem;
    --font-size-md: 1.125rem;
    --font-size-lg: 1.5rem;
    --font-size-xl: 2rem;
    --font-size-xxl: 3rem;
    --font-size-hero: clamp(2.5rem, 5vw, 4rem);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 16px 32px rgba(0, 0, 0, 0.4);
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--dark-bg);
    overflow-x: hidden;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: var(--font-size-hero); }
h2 { font-size: var(--font-size-xxl); }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }
h5 { font-size: var(--font-size-md); }
h6 { font-size: var(--font-size-sm); }

p {
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

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

a:hover {
    color: var(--accent-cyan);
}

/* Gradient Text */
.gradient-text {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.75rem 1.5rem;
    font-size: var(--font-size-sm);
    font-weight: 600;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 128, 255, 0.3);
}

.btn-secondary {
    background: var(--medium-gray);
    color: white;
    border: 1px solid var(--light-gray);
}

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

.btn-large {
    padding: 1rem 2rem;
    font-size: var(--font-size-md);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(10px);
    transition: all var(--transition-normal);
}

.header.scrolled {
    background: rgba(10, 10, 10, 0.95);
    box-shadow: var(--shadow-lg);
}

.navbar {
    padding: var(--spacing-sm) 0;
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-size: var(--font-size-lg);
    font-weight: 800;
}

.logo-text {
    color: white;
}

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

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: white;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-blue);
    transition: width var(--transition-normal);
}

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

.cta-nav {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.cart-btn {
    position: relative;
    background: none;
    border: none;
    color: white;
    font-size: var(--font-size-lg);
    cursor: pointer;
    transition: color var(--transition-fast);
}

.cart-btn:hover {
    color: var(--accent-blue);
}

.cart-count {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--accent-blue);
    color: white;
    font-size: var(--font-size-xs);
    font-weight: 700;
    padding: 2px 6px;
    border-radius: var(--radius-full);
    min-width: 20px;
    text-align: center;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: white;
    transition: all var(--transition-normal);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
}

.hero-bg video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(10, 10, 10, 0.8) 0%, 
        rgba(10, 10, 10, 0.6) 50%, 
        rgba(10, 10, 10, 0.8) 100%);
}

.hero-content {
    max-width: 600px;
    z-index: 1;
}

.hero-title {
    font-size: var(--font-size-hero);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
}

.hero-subtitle {
    font-size: var(--font-size-md);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.trust-indicators {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.trust-item i {
    color: var(--accent-blue);
}

.hero-product {
    position: absolute;
    right: -100px;
    top: 50%;
    transform: translateY(-50%);
    width: 600px;
    height: 600px;
}

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

/* Section Styles */
section {
    padding: var(--spacing-xxl) 0;
}

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

.section-title {
    font-size: var(--font-size-xxl);
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    font-size: var(--font-size-md);
    color: var(--text-secondary);
}

/* Features Section */
.features {
    background: var(--dark-gray);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.feature-card {
    background: var(--medium-gray);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-normal);
    border: 1px solid transparent;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-blue);
    box-shadow: 0 10px 30px rgba(0, 128, 255, 0.2);
}

.feature-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
    border-radius: var(--radius-lg);
    font-size: var(--font-size-lg);
}

.feature-card h3 {
    font-size: var(--font-size-md);
    margin-bottom: var(--spacing-sm);
}

.feature-card p {
    font-size: var(--font-size-sm);
    line-height: 1.6;
}

/* Gallery Section */
.gallery-wrapper {
    display: grid;
    gap: var(--spacing-md);
}

.gallery-main {
    position: relative;
    background: var(--medium-gray);
    border-radius: var(--radius-lg);
    overflow: hidden;
    height: 500px;
}

.gallery-main img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.gallery-main:hover img {
    transform: scale(1.05);
}

.gallery-zoom {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: rgba(0, 0, 0, 0.7);
    color: white;
    border: none;
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.gallery-zoom:hover {
    background: var(--accent-blue);
}

.gallery-thumbs {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: var(--spacing-sm);
}

.thumb {
    height: 100px;
    object-fit: cover;
    border-radius: var(--radius-md);
    cursor: pointer;
    opacity: 0.6;
    transition: all var(--transition-normal);
    border: 2px solid transparent;
}

.thumb.active,
.thumb:hover {
    opacity: 1;
    border-color: var(--accent-blue);
}
/* Specifications Section */
.specs {
    background: var(--dark-gray);
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.specs-category {
    background: var(--medium-gray);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
}

.specs-category h3 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    color: var(--accent-blue);
}

.specs-category table {
    width: 100%;
    border-collapse: collapse;
}

.specs-category td {
    padding: var(--spacing-sm);
    border-bottom: 1px solid var(--light-gray);
}

.specs-category td:first-child {
    color: var(--text-secondary);
    font-weight: 500;
}

.specs-category td:last-child {
    text-align: right;
    font-weight: 600;
}

/* Reviews Section */
.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.review-card {
    background: var(--medium-gray);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
}

.review-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.review-stars {
    color: #ffd700;
    margin-bottom: var(--spacing-md);
}

.review-text {
    font-size: var(--font-size-sm);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.review-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.review-author img {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    object-fit: cover;
}

.review-author h4 {
    font-size: var(--font-size-sm);
    margin-bottom: 0;
}

.review-author span {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
}

.review-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--medium-gray);
    border-radius: var(--radius-lg);
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: var(--font-size-xxl);
    font-weight: 800;
    color: var(--accent-blue);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

/* Purchase Section */
.purchase {
    background: var(--dark-gray);
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.pricing-card {
    background: var(--medium-gray);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    position: relative;
    transition: all var(--transition-normal);
    border: 2px solid transparent;
}

.pricing-card.featured {
    border-color: var(--accent-blue);
    transform: scale(1.05);
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 700;
}

.pricing-card h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
}

.price {
    font-size: var(--font-size-xxl);
    font-weight: 800;
    color: var(--accent-blue);
    margin-bottom: var(--spacing-lg);
}

.pricing-features {
    list-style: none;
    margin-bottom: var(--spacing-lg);
}

.pricing-features li {
    padding: var(--spacing-sm) 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
}

.pricing-features i {
    color: var(--success);
}

.payment-security {
    text-align: center;
}

.payment-security p {
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

.payment-icons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
}

/* FAQ Section */
.faq-accordion {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--medium-gray);
    margin-bottom: var(--spacing-sm);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: var(--spacing-md);
    background: none;
    border: none;
    color: white;
    font-size: var(--font-size-md);
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all var(--transition-normal);
}

.faq-question:hover {
    background: var(--light-gray);
}

.faq-question i {
    transition: transform var(--transition-normal);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

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

.faq-item.active .faq-answer {
    max-height: 300px;
}

.faq-answer p {
    padding: 0 var(--spacing-md) var(--spacing-md);
    line-height: 1.8;
}

/* Footer */
.footer {
    background: var(--dark-gray);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: var(--spacing-md);
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: var(--spacing-xs);
}

.footer-section a {
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.footer-section a:hover {
    color: white;
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--light-gray);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
}

.social-links a:hover {
    background: var(--accent-blue);
    transform: translateY(-3px);
}

.newsletter-form {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.newsletter-form input {
    flex: 1;
    padding: var(--spacing-sm);
    background: var(--light-gray);
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    color: white;
    transition: all var(--transition-normal);
}

.newsletter-form input:focus {
    outline: none;
    border-color: var(--accent-blue);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--light-gray);
}

.security-badges {
    display: flex;
    gap: var(--spacing-md);
}

.security-badges img {
    height: 30px;
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

.security-badges img:hover {
    opacity: 1;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: 2000;
    padding: var(--spacing-md);
    overflow-y: auto;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: var(--dark-gray);
    border-radius: var(--radius-lg);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--light-gray);
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: var(--font-size-lg);
    cursor: pointer;
    transition: color var(--transition-fast);
}

.modal-close:hover {
    color: white;
}

.modal-body {
    padding: var(--spacing-md);
}

.modal-footer {
    padding: var(--spacing-md);
    border-top: 1px solid var(--light-gray);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Cart Styles */
.cart-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--medium-gray);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
}

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

.cart-item-name {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.cart-item-price {
    color: var(--accent-blue);
}

.cart-item-quantity {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.quantity-btn {
    background: var(--light-gray);
    border: none;
    color: white;
    width: 30px;
    height: 30px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

/* Bank Transfer Styles */
.bank-transfer-info {
    text-align: center;
    padding: 2rem;
}

.bank-transfer-info i {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.bank-transfer-info h4 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.bank-details {
    background: var(--dark-bg);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    margin: 1.5rem 0;
    text-align: left;
}

.bank-detail-row {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
}

.bank-detail-row:last-child {
    border-bottom: none;
}

.bank-detail-row strong {
    color: var(--text-secondary);
}

.bank-detail-row span {
    color: var(--text-primary);
    font-family: monospace;
}

.bank-note {
    background: var(--medium-gray);
    border-radius: var(--radius-md);
    padding: 1rem;
    margin-top: 1rem;
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    text-align: left;
}

.bank-note i {
    font-size: 1rem;
    color: var(--primary);
    margin-top: 0.125rem;
}

.quantity-btn:hover {
    background: var(--accent-blue);
}

.cart-item-remove {
    background: none;
    border: none;
    color: var(--error);
    cursor: pointer;
    transition: color var(--transition-fast);
}

.cart-item-remove:hover {
    color: #ff6666;
}

.cart-total {
    font-size: var(--font-size-lg);
    font-weight: 700;
}

.cart-total span:last-child {
    color: var(--accent-blue);
}

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.95);
    z-index: 3000;
    padding: var(--spacing-lg);
}

.lightbox.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox img {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
}

.lightbox-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: none;
    border: none;
    color: white;
    font-size: var(--font-size-xl);
    cursor: pointer;
    transition: color var(--transition-fast);
}

.lightbox-close:hover {
    color: var(--accent-blue);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-product {
        width: 500px;
        height: 500px;
        right: -150px;
    }
}

@media (max-width: 768px) {
    :root {
        --font-size-hero: 2.5rem;
        --font-size-xxl: 2rem;
        --font-size-xl: 1.5rem;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--dark-gray);
        flex-direction: column;
        padding: var(--spacing-lg);
        transition: left var(--transition-normal);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero-product {
        position: static;
        width: 100%;
        height: 300px;
        margin-top: var(--spacing-lg);
        transform: none;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-cta .btn {
        width: 100%;
        justify-content: center;
    }
    
    .trust-indicators {
        justify-content: center;
    }
    
    .features-grid,
    .specs-grid,
    .reviews-grid,
    .pricing-cards {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.featured {
        transform: none;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
}

/* Loading States */
.loading {
    position: relative;
    pointer-events: none;
    opacity: 0.6;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 30px;
    height: 30px;
    border: 3px solid var(--light-gray);
    border-top-color: var(--accent-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

.hidden { display: none !important; }
.visible { display: block !important; }

/* Animations */
.animate-fade-up {
    opacity: 0;
    transform: translateY(30px);
}

.animate-fade-up.animated {
    animation: fadeUp 0.6s ease forwards;
}

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

.animate-float {
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(-50%) translateX(0); }
    50% { transform: translateY(-50%) translateX(-20px); }
}