/* ============================================
   RESET & BASE STYLES
   ============================================ */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f9f9f9;
}

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

/* ============================================
   HEADER & NAVIGATION
   ============================================ */

.header {
    background-color: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo h1 {
    font-size: 1.8rem;
    color: #2c3e50;
    font-weight: 700;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #e74c3c;
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 80px 0;
    text-align: center;
}

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

.hero-content p {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    opacity: 0.95;
}

.hero-subtitle {
    font-size: 1rem;
    opacity: 0.9;
    margin-bottom: 2rem;
}

/* ============================================
   BUTTONS & CTAs
   ============================================ */

.cta-button, .cta-button-large, .submit-button, .newsletter-button {
    display: inline-block;
    padding: 12px 30px;
    background-color: #e74c3c;
    color: white;
    text-decoration: none;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(231, 76, 60, 0.3);
}

.cta-button:hover, .cta-button-large:hover, .submit-button:hover, .newsletter-button:hover {
    background-color: #c0392b;
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(231, 76, 60, 0.4);
}

.cta-button-large {
    padding: 15px 40px;
    font-size: 1.1rem;
}

/* ============================================
   INTRO SECTION
   ============================================ */

.intro {
    padding: 60px 0;
    background-color: #fff;
}

.intro h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
    color: #2c3e50;
}

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

.intro-card {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 8px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.intro-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0,0,0,0.1);
}

.intro-card .icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.intro-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: #2c3e50;
}

.intro-card p {
    color: #666;
    font-size: 0.95rem;
}

/* ============================================
   PROBLEM & SOLUTION SECTION
   ============================================ */

.problem-solution {
    padding: 60px 0;
    background-color: #f8f9fa;
}

.ps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.ps-item h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.ps-item p {
    color: #666;
    margin-bottom: 1rem;
    line-height: 1.8;
}

/* ============================================
   EDUCATION SECTION
   ============================================ */

.education {
    padding: 60px 0;
    background-color: #fff;
}

.education h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
    color: #2c3e50;
}

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

.edu-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 2rem;
    border-radius: 8px;
    text-align: center;
}

.edu-card h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.edu-card p {
    font-size: 0.95rem;
    opacity: 0.95;
}

/* ============================================
   SOCIAL PROOF SECTION
   ============================================ */

.social-proof {
    padding: 60px 0;
    background-color: #f8f9fa;
}

.social-proof h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
    color: #2c3e50;
}

.proof-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.proof-card {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    border-left: 4px solid #e74c3c;
}

.proof-text {
    font-style: italic;
    color: #666;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.proof-author {
    font-weight: 600;
    color: #2c3e50;
}

.proof-disclaimer {
    text-align: center;
    color: #999;
    font-size: 0.85rem;
    margin-top: 2rem;
}

/* ============================================
   CTA SECTION
   ============================================ */

.cta-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 60px 0;
    text-align: center;
}

.cta-section h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.cta-section p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.cta-note {
    font-size: 0.9rem;
    opacity: 0.85;
    margin-top: 1rem;
}

/* ============================================
   PAGE HEADER
   ============================================ */

.page-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 60px 0;
    text-align: center;
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.page-header p {
    font-size: 1.1rem;
    opacity: 0.95;
}

/* ============================================
   VSL SECTION
   ============================================ */

.vsl-section {
    padding: 60px 0;
    background-color: #fff;
}

.vsl-wrapper {
    max-width: 800px;
    margin: 0 auto;
}

.vsl-wrapper h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.vsl-intro {
    text-align: center;
    color: #666;
    margin-bottom: 2rem;
    font-size: 1rem;
}

.video-container {
    margin: 2rem 0;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.post-video-content {
    margin-top: 3rem;
}

.post-video-content h3 {
    font-size: 1.5rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.key-points {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.key-point {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid #e74c3c;
}

.key-point h4 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.key-point p {
    color: #666;
    font-size: 0.95rem;
}

.faq-mini {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 8px;
    margin: 2rem 0;
}

.faq-item {
    margin-bottom: 1.5rem;
}

.faq-item h4 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.faq-item p {
    color: #666;
    font-size: 0.95rem;
}

.vsl-note {
    text-align: center;
    color: #999;
    font-size: 0.85rem;
    margin-top: 2rem;
    font-style: italic;
}

/* ============================================
   TESTIMONIALS SECTION
   ============================================ */

.testimonials-preview {
    padding: 60px 0;
    background-color: #f8f9fa;
}

.testimonials-preview h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
    color: #2c3e50;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    border-left: 4px solid #e74c3c;
}

.testimonial-text {
    font-style: italic;
    color: #666;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.testimonial-author {
    font-weight: 600;
    color: #2c3e50;
}

.testimonial-meta {
    color: #999;
    font-size: 0.85rem;
}

.testimonials-note {
    text-align: center;
    color: #999;
    font-size: 0.85rem;
    margin-top: 2rem;
}

/* ============================================
   FULL TESTIMONIALS PAGE
   ============================================ */

.testimonials-full {
    padding: 60px 0;
    background-color: #fff;
}

.testimonials-list {
    display: grid;
    gap: 2rem;
}

.testimonial-full-card {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 8px;
    border-left: 4px solid #e74c3c;
}

.testimonial-header {
    margin-bottom: 1rem;
}

.testimonial-header h3 {
    color: #2c3e50;
    font-size: 1.3rem;
    margin-bottom: 0.3rem;
}

.testimonial-age, .testimonial-location {
    color: #999;
    font-size: 0.9rem;
}

.testimonial-rating {
    margin-bottom: 1rem;
}

.stars {
    color: #f39c12;
    font-size: 1rem;
}

.testimonial-full-text {
    color: #666;
    line-height: 1.8;
    margin-bottom: 1rem;
}

.testimonial-verified {
    color: #27ae60;
    font-weight: 600;
    font-size: 0.9rem;
}

/* ============================================
   STATISTICS SECTION
   ============================================ */

.statistics {
    padding: 60px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.statistics h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

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

.stat-card h3 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.stat-card p {
    font-size: 0.95rem;
    opacity: 0.95;
}

/* ============================================
   BLOG SECTION
   ============================================ */

.blog-section {
    padding: 60px 0;
    background-color: #fff;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.blog-card {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 8px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0,0,0,0.1);
}

.blog-header h2 {
    font-size: 1.3rem;
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.blog-meta {
    color: #999;
    font-size: 0.85rem;
    margin-bottom: 1rem;
}

.blog-excerpt {
    color: #666;
    font-size: 0.95rem;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.read-more {
    color: #e74c3c;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.read-more:hover {
    color: #c0392b;
}

/* ============================================
   NEWSLETTER SECTION
   ============================================ */

.newsletter {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 60px 0;
    text-align: center;
}

.newsletter h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.newsletter p {
    font-size: 1rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.newsletter-form {
    display: flex;
    gap: 1rem;
    max-width: 500px;
    margin: 0 auto;
    flex-wrap: wrap;
    justify-content: center;
}

.newsletter-form input {
    flex: 1;
    min-width: 200px;
    padding: 12px 15px;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
}

/* ============================================
   FAQ SECTION
   ============================================ */

.faq-section {
    padding: 60px 0;
    background-color: #fff;
}

.faq-container {
    max-width: 900px;
    margin: 0 auto;
}

.faq-category {
    margin-bottom: 3rem;
}

.faq-category h2 {
    font-size: 1.8rem;
    color: #2c3e50;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid #e74c3c;
}

.faq-item-full {
    background: #f8f9fa;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid #e74c3c;
}

.faq-item-full h3 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.faq-item-full p {
    color: #666;
    line-height: 1.8;
}

.faq-item-full a {
    color: #e74c3c;
    text-decoration: none;
}

.faq-item-full a:hover {
    text-decoration: underline;
}

.additional-help {
    background: #f8f9fa;
    padding: 60px 0;
    text-align: center;
}

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

.additional-help p {
    font-size: 1rem;
    color: #666;
    margin-bottom: 2rem;
}

/* ============================================
   ABOUT SECTION
   ============================================ */

.mission {
    padding: 60px 0;
    background-color: #fff;
}

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

.mission-content p {
    color: #666;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.story {
    padding: 60px 0;
    background-color: #f8f9fa;
}

.story h2 {
    text-align: center;
    font-size: 2rem;
    color: #2c3e50;
    margin-bottom: 2rem;
}

.story-content {
    max-width: 800px;
    margin: 0 auto;
}

.story-content p {
    color: #666;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.values {
    padding: 60px 0;
    background-color: #fff;
}

.values h2 {
    text-align: center;
    font-size: 2rem;
    color: #2c3e50;
    margin-bottom: 3rem;
}

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

.value-card {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 8px;
    text-align: center;
}

.value-card h3 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.value-card p {
    color: #666;
    font-size: 0.95rem;
}

.team {
    padding: 60px 0;
    background-color: #f8f9fa;
}

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

.team-intro {
    text-align: center;
    color: #666;
    margin-bottom: 3rem;
}

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

.team-member {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.member-avatar {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.team-member h3 {
    color: #2c3e50;
    margin-bottom: 0.3rem;
}

.member-role {
    color: #e74c3c;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.member-bio {
    color: #666;
    font-size: 0.9rem;
    line-height: 1.6;
}

.commitment {
    padding: 60px 0;
    background-color: #fff;
}

.commitment h2 {
    text-align: center;
    font-size: 2rem;
    color: #2c3e50;
    margin-bottom: 3rem;
}

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

.commitment-item {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 8px;
    text-align: center;
}

.commitment-item h3 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.commitment-item p {
    color: #666;
    font-size: 0.95rem;
}

/* ============================================
   CONTACT SECTION
   ============================================ */

.contact-section {
    padding: 60px 0;
    background-color: #fff;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
}

.contact-form-wrapper h2,
.contact-info-wrapper h2 {
    font-size: 1.5rem;
    color: #2c3e50;
    margin-bottom: 2rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    color: #2c3e50;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 10px 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #e74c3c;
    box-shadow: 0 0 5px rgba(231, 76, 60, 0.3);
}

.contact-info-item {
    margin-bottom: 2rem;
}

.contact-info-item h3 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.contact-info-item p {
    color: #666;
    margin-bottom: 0.3rem;
}

.contact-info-item a {
    color: #e74c3c;
    text-decoration: none;
}

.contact-info-item a:hover {
    text-decoration: underline;
}

.support-options {
    padding: 60px 0;
    background-color: #f8f9fa;
}

.support-options h2 {
    text-align: center;
    font-size: 2rem;
    color: #2c3e50;
    margin-bottom: 3rem;
}

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

.support-card {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.support-card h3 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.support-card p {
    color: #666;
    font-size: 0.95rem;
}

/* ============================================
   LEGAL CONTENT
   ============================================ */

.legal-content {
    padding: 60px 0;
    background-color: #fff;
}

.legal-text {
    max-width: 900px;
    margin: 0 auto;
}

.legal-text h2 {
    font-size: 1.5rem;
    color: #2c3e50;
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.legal-text p {
    color: #666;
    line-height: 1.8;
    margin-bottom: 1rem;
}

.legal-text ul {
    margin-left: 2rem;
    margin-bottom: 1rem;
}

.legal-text li {
    color: #666;
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.disclaimer-highlight {
    background: #fff3cd;
    border-left: 4px solid #ffc107;
    padding: 2rem;
    border-radius: 8px;
    margin: 2rem 0;
}

.disclaimer-highlight h2,
.disclaimer-highlight h3 {
    color: #856404;
}

.disclaimer-highlight p {
    color: #856404;
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    background-color: #2c3e50;
    color: white;
    padding: 40px 0 20px;
}

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

.footer-section h4 {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.footer-section p {
    color: #bdc3c7;
    font-size: 0.9rem;
    line-height: 1.6;
}

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

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

.footer-section a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #e74c3c;
}

.footer-bottom {
    border-top: 1px solid #34495e;
    padding-top: 2rem;
    text-align: center;
    color: #bdc3c7;
}

.footer-bottom p {
    margin-bottom: 0.5rem;
    font-size: 0.85rem;
}

.footer-disclaimer {
    color: #95a5a6;
    font-size: 0.8rem;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 768px) {
    .nav-links {
        flex-direction: column;
        gap: 1rem;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        padding: 1rem;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        display: none;
    }

    .nav-links.active {
        display: flex;
    }

    .hero-content h2 {
        font-size: 1.8rem;
    }

    .hero-content p {
        font-size: 1rem;
    }

    .page-header h1 {
        font-size: 1.8rem;
    }

    .page-header p {
        font-size: 1rem;
    }

    .intro h2,
    .education h2,
    .blog-section h2,
    .statistics h2,
    .values h2,
    .team h2,
    .commitment h2 {
        font-size: 1.5rem;
    }

    .newsletter-form {
        flex-direction: column;
    }

    .newsletter-form input {
        min-width: 100%;
    }

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

    .intro-grid,
    .education-grid,
    .proof-grid,
    .stats-grid,
    .values-grid,
    .team-grid,
    .support-grid,
    .blog-grid,
    .testimonials-grid,
    .key-points {
        grid-template-columns: 1fr;
    }

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

    .video-container {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .logo h1 {
        font-size: 1.3rem;
    }

    .hero-content h2 {
        font-size: 1.5rem;
    }

    .page-header h1 {
        font-size: 1.5rem;
    }

    .intro h2,
    .education h2,
    .blog-section h2,
    .statistics h2,
    .values h2,
    .team h2,
    .commitment h2 {
        font-size: 1.3rem;
    }

    .cta-button,
    .cta-button-large {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    .intro-card,
    .edu-card,
    .proof-card,
    .testimonial-card,
    .blog-card,
    .value-card,
    .team-member,
    .commitment-item,
    .support-card,
    .faq-item-full {
        padding: 1.5rem;
    }

    .stat-card h3 {
        font-size: 2rem;
    }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

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

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.hidden {
    display: none;
}

.visible {
    display: block;
}