/* ===================================
   Snap Fitness - Main Stylesheet
   =================================== */

/* CSS Variables */
:root {
    /* Colors */
    --color-primary: #000000;
    --color-secondary: #FFFFFF;
    --color-accent: #E31937;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-bg-light: #F8F8F8;
    --color-border: #E0E0E0;

    /* Typography */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', sans-serif;

    /* Spacing (8px grid system) */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-xxl: 64px;

    /* Transitions */
    --transition: 0.3s ease-in-out;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.2);
}

/* ===================================
   Reset & Base Styles
   =================================== */

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

/* ===================================
   Typography
   =================================== */

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

h1 {
    font-size: 3rem;
    font-weight: 800;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 1.75rem;
}

h4 {
    font-size: 1.5rem;
}

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

/* ===================================
   Utility Classes
   =================================== */

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

.section {
    padding: var(--spacing-xxl) 0;
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

.section-description {
    text-align: center;
    color: var(--color-text-light);
    max-width: 700px;
    margin: 0 auto var(--spacing-xl);
    font-size: 1.125rem;
}

/* ===================================
   Buttons
   =================================== */

.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: 4px;
    font-family: var(--font-heading);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-secondary);
    border-color: var(--color-accent);
}

.btn-primary:hover {
    background-color: #C51530;
    border-color: #C51530;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-outline:hover {
    background-color: var(--color-primary);
    color: var(--color-secondary);
}

.btn-block {
    width: 100%;
    text-align: center;
}

/* ===================================
   Header & Navigation
   =================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--color-primary);
    z-index: 1000;
    transition: var(--transition);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

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

.nav-logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 1px;
}

.logo-snap {
    color: var(--color-secondary);
}

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

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

.nav-link {
    color: var(--color-secondary);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
}

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

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

.nav-toggle {
    display: none;
    color: var(--color-secondary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* ===================================
   Hero Section
   =================================== */

.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 50%, #000000 100%);
    background-image:
        linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.7)),
        url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 800"><rect fill="%23000000" width="1200" height="800"/><g opacity="0.05"><circle fill="%23FFFFFF" cx="200" cy="200" r="100"/><circle fill="%23FFFFFF" cx="800" cy="400" r="150"/><circle fill="%23FFFFFF" cx="1000" cy="600" r="80"/></g></svg>');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.6) 0%, rgba(20, 20, 20, 0.4) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    color: var(--color-secondary);
    padding: 0 var(--spacing-md);
}

.hero-title {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 1s ease-out;
}

.hero-subtitle {
    font-size: 1.75rem;
    color: var(--color-accent);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    animation: fadeInUp 1s ease-out 0.2s;
    animation-fill-mode: backwards;
}

.hero-text {
    font-size: 1.125rem;
    max-width: 700px;
    margin: 0 auto var(--spacing-xl);
    line-height: 1.8;
    animation: fadeInUp 1s ease-out 0.4s;
    animation-fill-mode: backwards;
}

.hero .btn {
    animation: fadeInUp 1s ease-out 0.6s;
    animation-fill-mode: backwards;
}

/* ===================================
   About Section
   =================================== */

.about {
    background-color: var(--color-secondary);
}

.about-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.feature-card {
    text-align: center;
    padding: var(--spacing-lg);
    background-color: var(--color-bg-light);
    border-radius: 8px;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-accent);
    color: var(--color-secondary);
    border-radius: 50%;
    font-size: 2rem;
}

.feature-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

.feature-description {
    color: var(--color-text-light);
    line-height: 1.7;
}

/* ===================================
   Services Section
   =================================== */

.services {
    background-color: var(--color-bg-light);
}

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

.service-item {
    background-color: var(--color-secondary);
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.service-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

/* Image placeholder for services */
.service-image-placeholder {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, #f0f0f0 0%, #e0e0e0 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #999;
    border-top: 3px solid var(--color-accent);
}

.service-image-placeholder i {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
    opacity: 0.5;
}

.service-image-placeholder p {
    font-size: 0.9rem;
    font-weight: 600;
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Actual images (when added) */
.service-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

/* Service content area */
.service-content {
    padding: var(--spacing-lg);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.service-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-primary);
    color: var(--color-secondary);
    border-radius: 8px;
    font-size: 1.75rem;
    margin-bottom: var(--spacing-md);
}

.service-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

.service-description {
    color: var(--color-text-light);
    line-height: 1.7;
}

/* ===================================
   Pricing Section
   =================================== */

.pricing {
    background-color: var(--color-bg-light);
}

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

.pricing-card {
    background-color: var(--color-secondary);
    border-radius: 8px;
    padding: var(--spacing-xl);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
    border: 2px solid transparent;
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.pricing-card.featured {
    border-color: var(--color-accent);
}

.popular-badge {
    position: absolute;
    top: -16px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--color-accent);
    color: var(--color-secondary);
    padding: 6px 24px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.pricing-plan {
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
}

.pricing-price {
    margin-bottom: var(--spacing-lg);
}

.price-amount {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--color-accent);
    font-family: var(--font-heading);
}

.price-currency {
    font-size: 1.5rem;
    color: var(--color-accent);
    vertical-align: super;
}

.price-period {
    font-size: 1rem;
    color: var(--color-text-light);
}

.pricing-features {
    margin-bottom: var(--spacing-lg);
    text-align: left;
}

.pricing-features li {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-border);
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-features i {
    margin-right: var(--spacing-xs);
    color: var(--color-accent);
}

.pricing-features .disabled i {
    color: #ccc;
}

.pricing-features .disabled {
    color: #ccc;
}

/* ===================================
   Trainers Section
   =================================== */

.trainers {
    background-color: var(--color-secondary);
}

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

.trainer-card {
    background-color: var(--color-bg-light);
    border-radius: 8px;
    overflow: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.trainer-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
}

.trainer-image {
    width: 100%;
    height: 300px;
    background-color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.trainer-placeholder {
    width: 120px;
    height: 120px;
    background-color: var(--color-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-secondary);
    font-size: 3rem;
}

.trainer-card h3,
.trainer-card p {
    padding: 0 var(--spacing-md);
}

.trainer-name {
    margin-top: var(--spacing-md);
    font-size: 1.25rem;
    color: var(--color-primary);
}

.trainer-specialty {
    color: var(--color-accent);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.trainer-bio {
    color: var(--color-text-light);
    line-height: 1.7;
    padding-bottom: var(--spacing-md);
}

/* ===================================
   Testimonials Section
   =================================== */

.testimonials {
    background-color: var(--color-primary);
    color: var(--color-secondary);
}

.testimonials .section-title {
    color: var(--color-secondary);
}

.testimonials .section-description {
    color: rgba(255, 255, 255, 0.8);
}

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

.testimonial-card {
    background-color: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-lg);
    border-radius: 8px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

.testimonial-card:hover {
    background-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-4px);
}

.testimonial-stars {
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

.testimonial-stars i {
    margin-right: 4px;
}

.testimonial-text {
    font-style: italic;
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.author-name {
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: 4px;
}

.author-info {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

/* ===================================
   Contact Section
   =================================== */

.contact {
    background-color: var(--color-bg-light);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
}

.contact-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background-color: var(--color-secondary);
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border-left: 4px solid var(--color-accent);
}

.contact-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.contact-icon {
    width: 48px;
    height: 48px;
    background-color: var(--color-accent);
    color: var(--color-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.contact-details h3 {
    font-size: 1rem;
    margin-bottom: 4px;
    color: var(--color-primary);
}

.contact-details p {
    color: var(--color-text-light);
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
}

/* Locations List */
.locations-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.locations-title {
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-bottom: 4px;
    font-weight: 700;
}

.locations-subtitle {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    font-size: 1rem;
}

.location-card {
    background-color: var(--color-secondary);
    padding: var(--spacing-lg);
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border-left: 4px solid var(--color-accent);
}

.location-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.location-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-border);
}

.location-header i {
    color: var(--color-accent);
    font-size: 1.25rem;
}

.location-header h4 {
    margin: 0;
    font-size: 1.125rem;
    color: var(--color-primary);
    font-weight: 600;
}

.location-address {
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
    line-height: 1.7;
    font-size: 0.95rem;
}

.location-phone,
.location-email,
.location-hours {
    color: var(--color-text-light);
    font-size: 0.95rem;
    margin-bottom: var(--spacing-sm);
    line-height: 1.7;
}

.location-phone i,
.location-email i,
.location-hours i,
.location-address i {
    color: var(--color-accent);
    margin-right: 8px;
    width: 16px;
    text-align: center;
}

.location-hours {
    margin-bottom: var(--spacing-md);
}

.btn-sm {
    padding: 10px 20px;
    font-size: 0.9rem;
}

.btn-sm i {
    margin-right: 6px;
}

.contact-form {
    background-color: var(--color-secondary);
    padding: var(--spacing-lg);
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    height: 100%;
}

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

.form-group:has(textarea) {
    flex: 1;
    display: flex;
    flex-direction: column;
    margin-bottom: var(--spacing-md);
}

.form-input {
    width: 100%;
    padding: var(--spacing-sm);
    border: 2px solid var(--color-border);
    border-radius: 4px;
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition);
}

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

.form-input::placeholder {
    color: var(--color-text-light);
}

textarea.form-input {
    resize: none;
    flex: 1;
    overflow-y: auto;
}

/* ===================================
   Footer
   =================================== */

.footer {
    background-color: var(--color-primary);
    color: var(--color-secondary);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

.footer-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-secondary);
}

.footer-text {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
}

.social-link {
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-secondary);
    transition: var(--transition);
}

.social-link:hover {
    background-color: var(--color-accent);
    transform: translateY(-3px);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.footer-links li {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
}

.footer-links li:hover {
    color: var(--color-accent);
    padding-left: 8px;
}

.footer-links a {
    display: block;
}

.footer-links i {
    margin-right: var(--spacing-xs);
    color: var(--color-accent);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    margin: 0;
}

.footer-legal {
    display: flex;
    gap: var(--spacing-sm);
    color: rgba(255, 255, 255, 0.6);
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.6);
}

.footer-legal a:hover {
    color: var(--color-accent);
}

/* ===================================
   Back to Top Button
   =================================== */

.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 48px;
    height: 48px;
    background-color: var(--color-accent);
    color: var(--color-secondary);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: #C51530;
    transform: translateY(-4px);
}

/* ===================================
   Animations
   =================================== */

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

.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===================================
   Responsive Design
   =================================== */

/* Tablet (768px - 1023px) */
@media (max-width: 1023px) {
    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

    .hero-title {
        font-size: 3rem;
    }

    .hero-subtitle {
        font-size: 1.5rem;
    }

    .section {
        padding: var(--spacing-xl) 0;
    }

    .contact-wrapper {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile (320px - 767px) */
@media (max-width: 767px) {
    :root {
        --spacing-xl: 32px;
        --spacing-xxl: 48px;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    h3 {
        font-size: 1.25rem;
    }

    .nav-menu {
        position: fixed;
        top: 64px;
        right: -100%;
        width: 100%;
        max-width: 300px;
        height: calc(100vh - 64px);
        background-color: var(--color-primary);
        padding: var(--spacing-lg);
        transition: var(--transition);
        box-shadow: var(--shadow-lg);
    }

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

    .nav-list {
        flex-direction: column;
        gap: var(--spacing-md);
        align-items: flex-start;
    }

    .nav-link {
        font-size: 1.125rem;
    }

    .nav-toggle {
        display: block;
    }

    .hero {
        min-height: 500px;
    }

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

    .hero-subtitle {
        font-size: 1.25rem;
    }

    .hero-text {
        font-size: 1rem;
    }

    .about-features {
        grid-template-columns: 1fr;
    }

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

    .pricing-cards {
        grid-template-columns: 1fr;
    }

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

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

    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .social-links {
        justify-content: center;
    }

    .schedule-table {
        font-size: 0.85rem;
    }

    .schedule-table th,
    .schedule-table td {
        padding: var(--spacing-xs);
    }

    .class-badge {
        font-size: 0.75rem;
        padding: 4px 8px;
    }

    .back-to-top {
        bottom: 16px;
        right: 16px;
        width: 40px;
        height: 40px;
    }
}