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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #2c3e50;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    /* Performance optimizations for smooth scrolling */
    -webkit-overflow-scrolling: touch;
    transform: translateZ(0);
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* Navigation */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo h2 {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #56ab2f 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    font-size: 1.5rem;
}

.logo-link {
    text-decoration: none;
    color: inherit;
    display: block;
    transition: all 0.3s ease;
    cursor: pointer;
}

.logo-link:hover {
    transform: translateY(-1px);
    opacity: 0.9;
}

.logo-link:hover h2 {
    background: linear-gradient(135deg, #56ab2f 0%, #667eea 50%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: #2c3e50;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    padding: 0.5rem 0;
}

.nav-link:hover,
.nav-link.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, #667eea 0%, #56ab2f 100%);
    transition: width 0.3s ease;
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.9) 0%, rgba(118, 75, 162, 0.9) 50%, rgba(86, 171, 47, 0.9) 100%);
    padding: 120px 0 80px;
    display: flex;
    align-items: center;
    min-height: 100vh;
    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 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="white" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="white" opacity="0.05"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    pointer-events: none;
}

.hero-content {
    flex: 1;
    padding: 0 3rem 0 2rem;
    z-index: 2;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 1.5rem;
    font-weight: 300;
}

.hero-description {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
    max-width: 500px;
}

.hero-visual {
    flex: 1;
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    align-items: center;
    z-index: 2;
}

.floating-card {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    padding: 1.5rem;
    text-align: center;
    color: white;
    animation: float 6s ease-in-out infinite;
    transition: transform 0.3s ease;
    min-width: 150px;
    /* Performance optimizations */
    transform: translateZ(0);
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    will-change: transform;
}

.floating-card:hover {
    transform: translateY(-5px) scale(1.05);
}

.floating-card:nth-child(2) {
    animation-delay: -2s;
}

.floating-card:nth-child(3) {
    animation-delay: -4s;
}

.card-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.floating-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.floating-card p {
    font-size: 0.9rem;
    opacity: 0.8;
}

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

/* Buttons */
.cta-button,
.cta-button-secondary {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    text-align: center;
    cursor: pointer;
    border: none;
    position: relative;
    overflow: hidden;
}

.cta-button {
    background: linear-gradient(135deg, #56ab2f 0%, #a8e6cf 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(86, 171, 47, 0.4);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(86, 171, 47, 0.6);
}

.cta-button-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.cta-button-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

/* Page Headers */
.page-header {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.9) 0%, rgba(118, 75, 162, 0.9) 100%);
    padding: 120px 0 60px;
    text-align: center;
    color: white;
}

.page-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.page-subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
    font-weight: 300;
}

/* Sections */
.overview,
.products-section,
.experience-section,
.training-section,
.values-section,
.contact-section,
.faq-section {
    padding: 80px 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 250, 252, 0.95) 100%);
    position: relative;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #56ab2f 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.1rem;
    text-align: center;
    color: #64748b;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Grids */
.overview-grid,
.products-grid,
.experience-grid,
.values-grid,
.faq-grid {
    display: grid;
    gap: 2rem;
    margin-top: 3rem;
}

.overview-grid,
.experience-grid,
.values-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.products-grid {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.faq-grid {
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
}

/* Cards */
.overview-card,
.experience-card,
.value-card,
.product-card {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 4px 25px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid rgba(102, 126, 234, 0.1);
}

.overview-card:hover,
.experience-card:hover,
.value-card:hover,
.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(102, 126, 234, 0.2);
}

.card-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.card-icon-large,
.value-icon {
    font-size: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    border-radius: 15px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.card-icon-large {
    color: white;
    margin-bottom: 1rem;
}

.overview-card h3,
.experience-card h3,
.value-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #2c3e50;
}

/* Product Cards */
.product-card {
    text-align: center;
    transition: all 0.3s ease;
}

.product-image {
    position: relative;
    margin-bottom: 1rem;
}

.placeholder-image {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: white;
    margin-bottom: 1rem;
}

.product-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background: linear-gradient(135deg, #56ab2f 0%, #a8e6cf 100%);
    color: white;
    padding: 4px 8px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.product-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #2c3e50;
}

.product-description {
    color: #64748b;
    margin-bottom: 1rem;
    line-height: 1.5;
}

.product-rating {
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: #f59e0b;
}

.product-link {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 10px 20px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.product-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

/* Filter Tabs */
.filter-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.filter-btn {
    background: rgba(102, 126, 234, 0.1);
    border: 2px solid rgba(102, 126, 234, 0.2);
    color: #667eea;
    padding: 10px 20px;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
}

.filter-btn:hover,
.filter-btn.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-color: transparent;
}

/* About Page Specific */
.about-hero {
    padding: 60px 0;
    background: white;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    align-items: center;
}

.profile-placeholder {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #56ab2f 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
    margin: 0 auto;
}

.profile-icon {
    font-size: 3rem;
    margin-bottom: 0.5rem;
}

.profile-name {
    font-size: 1.5rem;
    font-weight: 700;
}

.about-text h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.intro-text {
    font-size: 1.1rem;
    color: #4a5568;
    margin-bottom: 1.5rem;
    font-weight: 500;
}

/* Training Section */
.training-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: start;
}

.training-features {
    display: grid;
    gap: 1.5rem;
    margin-top: 2rem;
}

.feature-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.feature-icon {
    font-size: 1.5rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.feature-text h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: #2c3e50;
}

.pricing-card {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 4px 25px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(102, 126, 234, 0.1);
    text-align: center;
    position: sticky;
    top: 100px;
}

.pricing-header {
    margin-bottom: 2rem;
}

.pricing-header h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.5rem;
}

.price-amount {
    font-size: 3rem;
    font-weight: 700;
    background: linear-gradient(135deg, #667eea 0%, #56ab2f 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.price-period {
    font-size: 1rem;
    color: #64748b;
}

.pricing-features ul {
    list-style: none;
    text-align: left;
    margin-bottom: 2rem;
}

.pricing-features li {
    padding: 0.5rem 0;
    color: #4a5568;
}

.pricing-cta {
    display: block;
    background: linear-gradient(135deg, #56ab2f 0%, #a8e6cf 100%);
    color: white;
    padding: 15px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    margin-bottom: 1rem;
}

.pricing-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(86, 171, 47, 0.4);
}

.pricing-note {
    font-size: 0.9rem;
    color: #64748b;
    font-style: italic;
}

/* Contact Page */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact-methods {
    margin-top: 2rem;
}

.contact-method {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: white;
    border-radius: 15px;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.05);
}

.method-icon {
    font-size: 1.5rem;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.method-info h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #2c3e50;
}

.contact-link {
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.contact-link:hover {
    color: #764ba2;
}

.method-note {
    font-size: 0.9rem;
    color: #64748b;
    margin-top: 0.25rem;
}

/* Form */
.form-card {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 4px 25px rgba(0, 0, 0, 0.1);
}

.form-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #2c3e50;
}

.form-description {
    color: #64748b;
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: #2c3e50;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid rgba(102, 126, 234, 0.2);
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.submit-button {
    background: linear-gradient(135deg, #56ab2f 0%, #a8e6cf 100%);
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
}

.submit-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(86, 171, 47, 0.4);
}

/* FAQ */
.faq-item {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.05);
}

.faq-item h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.faq-item p {
    color: #4a5568;
    line-height: 1.6;
}

/* CTA Sections */
.cta-section,
.training-cta {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.9) 0%, rgba(118, 75, 162, 0.9) 50%, rgba(86, 171, 47, 0.9) 100%);
    padding: 80px 0;
    text-align: center;
    color: white;
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Footer */
.footer {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    color: white;
    padding: 60px 0 30px;
}

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

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    font-weight: 600;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: 2rem;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: rgba(255, 255, 255, 0.98);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
        backdrop-filter: blur(10px);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .nav-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .hero {
        flex-direction: column;
        text-align: center;
        padding: 100px 0 60px;
    }

    .hero-content {
        padding: 0 2rem;
        margin-bottom: 2rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .page-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .about-content,
    .contact-content,
    .training-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .cta-button,
    .cta-button-secondary {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .overview-grid,
    .products-grid,
    .experience-grid,
    .values-grid {
        grid-template-columns: 1fr;
    }

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

    .filter-tabs {
        gap: 0.5rem;
    }

    .filter-btn {
        padding: 8px 16px;
        font-size: 0.9rem;
    }
}

/* Safari Mobile Fixes */
@supports (-webkit-touch-callout: none) {
    /* Safari mobile specific styles */
    .hero {
        min-height: calc(var(--vh, 1vh) * 100);
    }
    
    body.safari-mobile {
        -webkit-text-size-adjust: 100%;
        -webkit-font-smoothing: antialiased;
        -webkit-overflow-scrolling: touch;
    }
    
    body.safari-mobile .hero {
        padding-top: max(120px, env(safe-area-inset-top, 0px) + 120px);
        padding-bottom: max(80px, env(safe-area-inset-bottom, 0px) + 80px);
        min-height: calc(var(--vh, 1vh) * 100);
    }
    
    body.safari-mobile .page-header {
        padding-top: max(120px, env(safe-area-inset-top, 0px) + 120px);
        padding-bottom: max(60px, env(safe-area-inset-bottom, 0px) + 60px);
        min-height: calc(var(--vh, 1vh) * 100);
    }
    
    body.safari-mobile .navbar {
        padding-top: env(safe-area-inset-top, 0px);
    }
    
    /* Fix input zoom prevention */
    body.safari-mobile input,
    body.safari-mobile select,
    body.safari-mobile textarea {
        font-size: 16px !important;
    }
    
    /* Ensure proper centering */
    body.safari-mobile .container {
        width: 100%;
        max-width: 1200px;
        margin-left: auto;
        margin-right: auto;
        padding-left: 20px;
        padding-right: 20px;
    }
    
    /* Fix hero content centering */
    body.safari-mobile .hero {
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    /* Fix floating cards on mobile Safari */
    body.safari-mobile .floating-card {
        transform: translateZ(0); /* Force hardware acceleration */
        -webkit-backface-visibility: hidden;
        backface-visibility: hidden;
    }
}

/* Additional iOS specific fixes */
@media screen and (max-device-width: 768px) {
    /* Handle notched devices */
    @supports (padding: max(0px)) {
        .hero {
            padding-left: max(20px, env(safe-area-inset-left));
            padding-right: max(20px, env(safe-area-inset-right));
        }
        
        .navbar {
            padding-left: max(20px, env(safe-area-inset-left));
            padding-right: max(20px, env(safe-area-inset-right));
        }
        
        .container {
            padding-left: max(20px, env(safe-area-inset-left));
            padding-right: max(20px, env(safe-area-inset-right));
        }
    }
}

/* Animations and Utilities */
.fade-in {
    animation: fadeIn 0.6s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.hidden {
    display: none !important;
}

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

.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }