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

:root {
    /* Modern Color Palette */
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --primary-color: #667eea;
    --primary-dark: #5a6fd8;
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --secondary-color: #f093fb;
    --accent-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --accent-color: #4facfe;
    --success-gradient: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
    --success-color: #43e97b;
    
    /* Neutral Colors */
    --text-primary: #1a202c;
    --text-secondary: #4a5568;
    --text-muted: #718096;
    --white: #ffffff;
    --gray-50: #f7fafc;
    --gray-100: #edf2f7;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e0;
    --gray-800: #2d3748;
    --gray-900: #1a202c;
    
    /* Background Gradients */
    --bg-gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --bg-gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --bg-gradient-accent: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --bg-gradient-dark: linear-gradient(135deg, #2d3748 0%, #1a202c 100%);
    --bg-gradient-light: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;
    --font-size-7xl: 4.5rem;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;
    --spacing-5xl: 8rem;
    
    /* Layout */
    --container-max-width: 1200px;
    --border-radius: 12px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --glass-backdrop: blur(10px);
    
    /* Transitions */
    --transition-fast: all 0.15s ease;
    --transition: all 0.3s ease;
    --transition-slow: all 0.5s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.7;
    color: var(--text-primary);
    background: var(--bg-gradient-light);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-3xl); }
h4 { font-size: var(--font-size-2xl); }
h5 { font-size: var(--font-size-xl); }
h6 { font-size: var(--font-size-lg); }

p {
    margin-bottom: var(--spacing-md);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-base);
    font-weight: 600;
    text-decoration: none;
    border: none;
    border-radius: var(--border-radius-lg);
    cursor: pointer;
    transition: var(--transition);
    min-height: 52px;
    position: relative;
    overflow: hidden;
    backdrop-filter: var(--glass-backdrop);
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: var(--transition);
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--primary-gradient);
    color: var(--white);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--glass-border);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
    background: linear-gradient(135deg, #5a6fd8 0%, #6a4190 100%);
}

.btn-secondary {
    background: var(--secondary-gradient);
    color: var(--white);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

.btn-outline {
    background: var(--glass-bg);
    color: var(--text-primary);
    border: 2px solid var(--primary-color);
    backdrop-filter: var(--glass-backdrop);
}

.btn-outline:hover {
    background: var(--primary-gradient);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-full {
    width: 100%;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    z-index: 1000;
    transition: var(--transition);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) 0;
}

.mobile-logo {
    display: block;
}

.desktop-logo {
    display: none;
}

.nav {
    display: none;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
}

.nav-link {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

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

/* Language Selector */
.language-selector {
    position: relative;
}

.language-dropdown {
    position: relative;
}

.language-toggle {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.language-toggle:hover {
    background-color: var(--light-gray);
}

.language-toggle img {
    border-radius: 2px;
}

.arrow-down {
    width: 0;
    height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 4px solid var(--text-dark);
    transition: var(--transition);
}

.language-dropdown:hover .arrow-down {
    transform: rotate(180deg);
}

.language-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    list-style: none;
    min-width: 150px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
}

.language-dropdown:hover .language-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.language-option {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    color: var(--text-dark);
    text-decoration: none;
    transition: var(--transition);
}

.language-option:hover {
    background-color: var(--light-gray);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--text-dark);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    padding: calc(80px + var(--spacing-5xl)) 0 var(--spacing-5xl);
    background: var(--bg-gradient-primary);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><radialGradient id="a" cx="50%" cy="50%" r="50%"><stop offset="0%" stop-color="%23ffffff" stop-opacity="0.1"/><stop offset="100%" stop-color="%23ffffff" stop-opacity="0"/></radialGradient></defs><circle cx="200" cy="200" r="300" fill="url(%23a)"/><circle cx="800" cy="800" r="400" fill="url(%23a)"/></svg>');
    opacity: 0.3;
}

.hero::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg at 50% 50%, transparent 0deg, rgba(255, 255, 255, 0.1) 60deg, transparent 120deg);
    animation: rotate 20s linear infinite;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-4xl);
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-text {
    text-align: center;
}

.hero-title {
    font-size: var(--font-size-6xl);
    font-weight: 900;
    color: var(--white);
    margin-bottom: var(--spacing-xl);
    line-height: 1.1;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    background: linear-gradient(135deg, #ffffff 0%, #f0f0f0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: var(--font-size-xl);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-2xl);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap;
}

.hero-image {
    text-align: center;
    position: relative;
}

.hero-image::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    right: -20px;
    bottom: -20px;
    background: var(--accent-gradient);
    border-radius: var(--border-radius-xl);
    opacity: 0.2;
    z-index: -1;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-2xl);
    transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
    transition: var(--transition-slow);
}

.hero-image:hover img {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg) scale(1.02);
}

/* Partners Section */
.partners {
    padding: var(--spacing-4xl) 0;
    background: var(--white);
    position: relative;
}

.partners::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--bg-gradient-primary);
}

.partners-carousel {
    overflow: hidden;
}

.partners-swiper {
    padding: var(--spacing-lg) 0;
}

.partners-swiper .swiper-slide {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 80px;
    opacity: 0.7;
    transition: var(--transition);
}

.partners-swiper .swiper-slide:hover {
    opacity: 1;
}

.partners-swiper .swiper-slide img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    filter: grayscale(100%);
    transition: var(--transition);
}

.partners-swiper .swiper-slide:hover img {
    filter: grayscale(0%);
}

.partners-swiper .swiper-button-next,
.partners-swiper .swiper-button-prev {
    color: var(--primary-color);
    background-color: var(--white);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    box-shadow: var(--shadow);
}

.partners-swiper .swiper-button-next:after,
.partners-swiper .swiper-button-prev:after {
    font-size: 16px;
}

/* Section Styles */
.section-title {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--text-dark);
}

.subsection-title {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-lg);
    color: var(--text-dark);
}

/* About Section */
.about {
    padding: var(--spacing-4xl) 0;
    background-color: var(--light-gray);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.about-image {
    text-align: center;
}

.about-image img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius-lg);
}

.about-description {
    font-size: var(--font-size-lg);
    color: var(--text-light);
    margin-bottom: var(--spacing-xl);
}

.benefits-list {
    list-style: none;
}

.benefits-list li {
    padding: var(--spacing-lg);
    background-color: var(--white);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow);
    border-left: 4px solid var(--primary-color);
}

.benefits-list li:last-child {
    margin-bottom: 0;
}

/* Solutions Section */
.solutions {
    padding: var(--spacing-4xl) 0;
    background-color: var(--white);
}

.solutions-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-3xl);
}

.solutions-text {
    text-align: center;
}

.solutions-description {
    font-size: var(--font-size-lg);
    color: var(--text-light);
    margin-bottom: var(--spacing-xl);
}

.solutions-button {
    text-align: center;
}

.solutions-features {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

.feature-card {
    padding: var(--spacing-2xl);
    background: var(--glass-bg);
    backdrop-filter: var(--glass-backdrop);
    border-radius: var(--border-radius-xl);
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--glass-border);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transition: var(--transition);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
    background: rgba(255, 255, 255, 0.2);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-xl);
    font-size: 32px;
    color: var(--white);
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.feature-icon::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: rotate 3s linear infinite;
}

.feature-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
    color: var(--text-dark);
}

.feature-description {
    color: var(--text-light);
}

/* Products Section */
.products {
    padding: var(--spacing-4xl) 0;
    background-color: var(--light-gray);
}

.products-content {
    text-align: center;
}

.products-description {
    font-size: var(--font-size-lg);
    color: var(--text-light);
    margin-bottom: var(--spacing-3xl);
}

.products-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
}

.product-card {
    background: var(--white);
    border-radius: var(--border-radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    border: 1px solid var(--glass-border);
    position: relative;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--primary-gradient);
    opacity: 0;
    transition: var(--transition);
    z-index: 1;
}

.product-card:hover::before {
    opacity: 0.05;
}

.product-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-2xl);
}

.product-image {
    height: 200px;
    overflow: hidden;
}

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

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

.product-content {
    padding: var(--spacing-xl);
}

.product-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
    color: var(--text-dark);
}

.product-description {
    color: var(--text-light);
    margin-bottom: var(--spacing-lg);
}

.product-features {
    list-style: none;
}

.product-features li {
    padding: var(--spacing-sm) 0;
    color: var(--text-light);
    position: relative;
    padding-left: var(--spacing-lg);
}

.product-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* Contact Section */
.contact {
    padding: var(--spacing-4xl) 0;
    background-color: var(--white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-3xl);
}

.contact-info {
    text-align: center;
}

.contact-description {
    font-size: var(--font-size-lg);
    color: var(--text-light);
    margin-bottom: var(--spacing-xl);
}

.contact-details {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background-color: var(--light-gray);
    border-radius: var(--border-radius);
    text-align: left;
}

.contact-icon {
    width: 40px;
    height: 40px;
    background-color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 18px;
    flex-shrink: 0;
}

.contact-text h4 {
    margin-bottom: var(--spacing-xs);
    color: var(--text-dark);
}

.contact-text p {
    margin: 0;
    color: var(--text-light);
}

/* Form Styles */
.form {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-backdrop);
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius-xl);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-xl);
}

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

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    color: var(--text-dark);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-lg);
    border: 2px solid var(--glass-border);
    border-radius: var(--border-radius-lg);
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    transition: var(--transition);
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: var(--glass-backdrop);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
    background: rgba(255, 255, 255, 0.95);
    transform: translateY(-2px);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
.footer {
    background-color: var(--dark-gray);
    color: var(--white);
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.footer-logo img {
    filter: brightness(0) invert(1);
}

.footer-text p {
    margin: 0;
    color: rgba(255, 255, 255, 0.8);
}

/* Icons */
.icon-rocket::before { content: '🚀'; }
.icon-shield::before { content: '🛡️'; }
.icon-support::before { content: '🎧'; }
.icon-chart::before { content: '📊'; }
.icon-email::before { content: '✉️'; }
.icon-phone::before { content: '📞'; }
.icon-location::before { content: '📍'; }

/* Responsive Design */
@media (min-width: 768px) {
    .mobile-logo {
        display: none;
    }
    
    .desktop-logo {
        display: block;
    }
    
    .nav {
        display: block;
    }
    
    .mobile-menu-toggle {
        display: none;
    }
    
    .hero-content {
        grid-template-columns: 1fr 1fr;
    }
    
    .hero-title {
        font-size: var(--font-size-5xl);
    }
    
    .about-content {
        grid-template-columns: 1fr 1fr;
    }
    
    .solutions-content {
        grid-template-columns: 1fr 1fr;
    }
    
    .solutions-features {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .contact-content {
        grid-template-columns: 1fr 1fr;
    }
    
    .contact-details {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: row;
        justify-content: space-between;
    }
}

@media (min-width: 1024px) {
    .solutions-features {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .contact-details {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

.float {
    animation: float 3s ease-in-out infinite;
}

.pulse {
    animation: pulse 2s ease-in-out infinite;
}

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

.mb-0 { margin-bottom: 0; }
.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); }

.mt-0 { margin-top: 0; }
.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); }

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

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--primary-color);
    border-top: 2px solid transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}