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

html {
    height: 100%;
    width: 100%;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #ffffff;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* Color Variables - Based on company logo */
:root {
    --primary-color: #16a34a;
    --primary-dark: #15803d;
    --secondary-color: #ea580c;
    --accent-color: #0891b2;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --border-color: #e5e7eb;
}

/* Header */
.header {
    background: var(--bg-white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img {
    height: 60px;
    width: auto;
    border-radius: 8px;
    object-fit: contain;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

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

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--bg-light) 0%, var(--bg-white) 100%);
    padding: 5rem 0;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn-primary,
.btn-secondary {
    padding: 1rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

.btn-primary.large {
    padding: 1.25rem 2.5rem;
    font-size: 1.125rem;
}

.btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

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

.hero-image {
    position: relative;
}

.hero-comparison-container {
    position: relative;
    display: inline-block;
    width: 100%;
}

.hero-img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    aspect-ratio: 3/2;
}

.hero-label {
    position: absolute;
    top: 20px;
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: 1px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    z-index: 2;
}

.before-label {
    left: 20px;
    background: rgba(239, 68, 68, 0.95);
    color: white;
    backdrop-filter: blur(10px);
}

.after-label {
    right: 20px;
    background: rgba(16, 185, 129, 0.95);
    color: white;
    backdrop-filter: blur(10px);
}

/* Section Styles */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    color: var(--text-dark);
    margin-bottom: 3rem;
}

/* Services Section */
.services {
    padding: 5rem 0;
    background: var(--bg-white);
}

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

.service-card {
    background: var(--bg-white);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: center;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 35px rgba(0,0,0,0.15);
}

.service-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    aspect-ratio: 2/1;
}

.service-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--text-light);
    line-height: 1.6;
}

/* CTA WhatsApp Section */
.cta-whatsapp {
    padding: 4rem 0;
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    position: relative;
    overflow: hidden;
}

.cta-whatsapp::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"><circle cx="20" cy="20" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="80" cy="40" r="1.5" fill="rgba(255,255,255,0.08)"/><circle cx="40" cy="80" r="1" fill="rgba(255,255,255,0.1)"/></svg>');
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

.cta-whatsapp-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 3rem;
    position: relative;
    z-index: 2;
}

.cta-whatsapp-text {
    flex: 1;
    max-width: 600px;
}

.cta-whatsapp-text h2 {
    font-size: 2.25rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.cta-whatsapp-text p {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.95);
    line-height: 1.6;
    margin-bottom: 0;
}

.cta-whatsapp-button {
    flex-shrink: 0;
}

.btn-whatsapp {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1.25rem 2rem;
    background: white;
    color: #25D366;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.125rem;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-whatsapp::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: left 0.5s ease;
}

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

.btn-whatsapp:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.3);
    color: #128C7E;
}

.btn-whatsapp svg {
    width: 28px;
    height: 28px;
    transition: transform 0.3s ease;
}

.btn-whatsapp:hover svg {
    transform: scale(1.1) rotate(5deg);
}

@media (max-width: 768px) {
    .cta-whatsapp {
        padding: 3rem 0;
    }
    
    .cta-whatsapp-content {
        flex-direction: column;
        text-align: center;
        gap: 2rem;
    }
    
    .cta-whatsapp-text h2 {
        font-size: 1.875rem;
    }
    
    .cta-whatsapp-text p {
        font-size: 1rem;
    }
    
    .btn-whatsapp {
        padding: 1rem 1.75rem;
        font-size: 1rem;
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .cta-whatsapp-text h2 {
        font-size: 1.5rem;
    }
    
    .cta-whatsapp-text p {
        font-size: 0.95rem;
    }
    
    .btn-whatsapp {
        padding: 0.875rem 1.5rem;
        font-size: 0.95rem;
    }
    
    .btn-whatsapp svg {
        width: 24px;
        height: 24px;
    }
}

/* Benefits Section */
.benefits {
    padding: 5rem 0;
    background: var(--bg-light);
}

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

.benefit-item {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    transition: transform 0.3s ease;
}

.benefit-item:hover {
    transform: translateY(-3px);
}

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

.benefit-item h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.benefit-item p {
    color: var(--text-light);
}

/* Before/After Section */
.before-after {
    padding: 5rem 0;
    background: var(--bg-white);
}

.comparison-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 3rem;
}

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

.comparison-images {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.before-image,
.after-image {
    position: relative;
}

.comparison-img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 8px;
}

.comparison-label {
    position: absolute;
    top: 10px;
    left: 10px;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.875rem;
}

.comparison-label.before {
    background: rgba(239, 68, 68, 0.9);
    color: white;
}

.comparison-label.after {
    background: rgba(16, 185, 129, 0.9);
    color: white;
}

.comparison-item h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.comparison-item p {
    color: var(--text-light);
}

/* Testimonials Section */
.testimonials {
    padding: 5rem 0;
    background: var(--bg-light);
}

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

.testimonial-card {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.testimonial-content {
    margin-bottom: 1.5rem;
}

.testimonial-content p {
    font-style: italic;
    color: var(--text-light);
    line-height: 1.6;
}

.testimonial-author strong {
    color: var(--text-dark);
    font-weight: 600;
}

.testimonial-author span {
    display: block;
    color: var(--text-light);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

/* CTA Section */
.cta-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    text-align: center;
}

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

.cta-content p {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-section .btn-primary {
    background: white;
    color: var(--primary-color);
}

.cta-section .btn-primary:hover {
    background: var(--bg-light);
    transform: translateY(-2px);
}

/* Instagram Section */
.instagram-section {
    padding: 4rem 0;
    background: linear-gradient(135deg, #E1306C 0%, #833AB4 50%, #F77737 100%);
    position: relative;
    overflow: hidden;
}

.instagram-section::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"><circle cx="25" cy="25" r="2" fill="rgba(255,255,255,0.1)"/><circle cx="75" cy="35" r="1.5" fill="rgba(255,255,255,0.08)"/><circle cx="45" cy="75" r="2.5" fill="rgba(255,255,255,0.1)"/><circle cx="80" cy="80" r="1" fill="rgba(255,255,255,0.08)"/></svg>');
    animation: instagram-float 25s ease-in-out infinite;
}

@keyframes instagram-float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33% { transform: translateY(-15px) rotate(120deg); }
    66% { transform: translateY(-10px) rotate(240deg); }
}

.instagram-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 3rem;
    position: relative;
    z-index: 2;
}

.instagram-text {
    flex: 1;
    max-width: 600px;
}

.instagram-text h2 {
    font-size: 2.25rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.instagram-text p {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.95);
    line-height: 1.6;
    margin-bottom: 0;
}

.instagram-button {
    flex-shrink: 0;
}

.btn-instagram {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1.25rem 2rem;
    background: white;
    color: #E1306C;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.125rem;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-instagram::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: left 0.5s ease;
}

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

.btn-instagram:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.3);
    color: #833AB4;
}

.btn-instagram svg {
    width: 28px;
    height: 28px;
    transition: transform 0.3s ease;
}

.btn-instagram:hover svg {
    transform: scale(1.1) rotate(-5deg);
}

@media (max-width: 768px) {
    .instagram-section {
        padding: 3rem 0;
    }
    
    .instagram-content {
        flex-direction: column;
        text-align: center;
        gap: 2rem;
    }
    
    .instagram-text h2 {
        font-size: 1.875rem;
    }
    
    .instagram-text p {
        font-size: 1rem;
    }
    
    .btn-instagram {
        padding: 1rem 1.75rem;
        font-size: 1rem;
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .instagram-text h2 {
        font-size: 1.5rem;
    }
    
    .instagram-text p {
        font-size: 0.95rem;
    }
    
    .btn-instagram {
        padding: 0.875rem 1.5rem;
        font-size: 0.95rem;
    }
    
    .btn-instagram svg {
        width: 24px;
        height: 24px;
    }
}

/* Footer */
.footer {
    background: var(--text-dark);
    color: white;
    padding: 3rem 0 1rem;
}

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

.footer-section h3,
.footer-section h4 {
    color: white;
    margin-bottom: 1rem;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0.5rem;
}

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

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

.footer-bottom a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-bottom a:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

/* Mobile Navigation */
@media (max-width: 768px) {
    .header .container {
        padding: 0.75rem 20px;
    }
    
    .logo-img {
        height: 45px;
    }
    
    .menu-toggle {
        display: flex;
        z-index: 1001;
    }
    
    .menu-toggle.menu-active span:nth-child(1) {
        transform: rotate(-45deg) translate(-5px, 6px);
    }
    
    .menu-toggle.menu-active span:nth-child(2) {
        opacity: 0;
    }
    
    .menu-toggle.menu-active span:nth-child(3) {
        transform: rotate(45deg) translate(-5px, -6px);
    }
    
    .nav {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2rem;
        z-index: 1000;
        opacity: 0;
        transform: translateY(-20px);
        transition: all 0.3s ease;
    }
    
    .nav.nav-active {
        display: flex;
        opacity: 1;
        transform: translateY(0);
    }
    
    .nav-link {
        font-size: 1.5rem;
        font-weight: 600;
        color: var(--text-dark);
        padding: 1rem 2rem;
        border-radius: 8px;
        transition: all 0.3s ease;
        text-align: center;
        min-width: 200px;
    }
    
    .nav-link:hover {
        background: var(--primary-color);
        color: white;
        transform: translateY(-2px);
    }
    
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .services-grid,
    .benefits-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .comparison-grid {
        grid-template-columns: 1fr;
    }
    
    .comparison-images {
        grid-template-columns: 1fr;
    }
    
    .cta-content h2 {
        font-size: 2rem;
    }
    
    .cta-content p {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .header .container {
        padding: 0.75rem 15px;
    }
    
    .logo-img {
        height: 40px;
    }
    
    .nav-link {
        font-size: 1.25rem;
        min-width: 180px;
        padding: 0.75rem 1.5rem;
    }
    
    .hero {
        padding: 3rem 0;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .btn-primary,
    .btn-secondary {
        padding: 0.875rem 1.5rem;
        font-size: 0.925rem;
        width: 100%;
        max-width: 280px;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .services,
    .benefits,
    .before-after,
    .testimonials {
        padding: 3rem 0;
    }
    
    .cta-section {
        padding: 3rem 0;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
}

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

.service-card,
.benefit-item,
.testimonial-card,
.comparison-item {
    animation: fadeInUp 0.6s ease forwards;
    will-change: transform, opacity;
    contain: layout style paint;
}

.service-card.animated,
.benefit-item.animated,
.testimonial-card.animated,
.comparison-item.animated {
    will-change: auto;
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(31, 41, 55, 0.95);
    backdrop-filter: blur(10px);
    color: white;
    padding: 1.5rem 0;
    z-index: 10000;
    transform: translateY(100%);
    transition: transform 0.4s ease;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.2);
}

.cookie-banner.show {
    transform: translateY(0);
}

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.cookie-text {
    flex: 1;
}

.cookie-text p {
    margin: 0;
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.9);
}

.cookie-actions {
    display: flex;
    gap: 1rem;
    flex-shrink: 0;
}

.btn-cookie-accept,
.btn-cookie-decline {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.btn-cookie-accept {
    background: var(--primary-color);
    color: white;
}

.btn-cookie-accept:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.btn-cookie-decline {
    background: transparent;
    color: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-cookie-decline:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

@media (max-width: 768px) {
    .cookie-content {
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
    }
    
    .cookie-actions {
        width: 100%;
        justify-content: center;
    }
    
    .btn-cookie-accept,
    .btn-cookie-decline {
        flex: 1;
        max-width: 150px;
    }
}

@media (max-width: 480px) {
    .cookie-banner {
        padding: 1rem 0;
    }
    
    .cookie-content {
        padding: 0 15px;
    }
    
    .cookie-text p {
        font-size: 0.9rem;
    }
    
    .btn-cookie-accept,
    .btn-cookie-decline {
        padding: 0.6rem 1.2rem;
        font-size: 0.85rem;
    }
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(22, 163, 74, 0.3);
    transition: all 0.3s ease;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    z-index: 9999;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(22, 163, 74, 0.4);
}

.back-to-top svg {
    transition: transform 0.3s ease;
}

.back-to-top:hover svg {
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
    
    .back-to-top svg {
        width: 20px;
        height: 20px;
    }
}

@media (max-width: 480px) {
    .back-to-top {
        bottom: 15px;
        right: 15px;
        width: 40px;
        height: 40px;
    }
    
    .back-to-top svg {
        width: 18px;
        height: 18px;
    }
}

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

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

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