/* ============================================
   Lopez Soluciones RE - Estilos CSS
   Diseño profesional para empresa de construcción
   ============================================ */

/* Variables CSS */
:root {
    /* Colores principales */
    --primary-color: #1e40af;      /* Azul profesional */
    --primary-dark: #1e3a8a;
    --primary-light: #3b82f6;
    --accent-color: #f59e0b;       /* Naranja construcción */
    --accent-dark: #d97706;
    
    /* Colores de fondo */
    --bg-white: #ffffff;
    --bg-light: #f8fafc;
    --bg-gray: #f1f5f9;
    --bg-dark: #0f172a;
    
    /* Colores de texto */
    --text-primary: #1e293b;
    --text-secondary: #475569;
    --text-light: #94a3b8;
    --text-white: #ffffff;
    
    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
    
    /* Fuentes */
    --font-primary: 'Montserrat', sans-serif;
    --font-secondary: 'Lato', sans-serif;
    
    /* Transiciones */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset y estilos base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-secondary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-white);
    overflow-x: hidden;
}

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

/* Tipografía */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

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

a:hover {
    color: var(--primary-dark);
}

/* Preloader */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease-out;
}

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

.loader {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top-color: var(--accent-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

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

#preloader p {
    color: var(--text-white);
    font-size: 1.2rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    z-index: 1000;
    padding: 0.75rem 0;
    transition: var(--transition);
}

.navbar.scrolled {
    padding: 0.5rem 0;
    box-shadow: var(--shadow-lg);
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.logo:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

.logo-text {
    color: var(--text-white);
    font-weight: 900;
    font-size: 1.2rem;
    font-family: var(--font-primary);
}

.brand-name {
    font-family: var(--font-primary);
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text-primary);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
    z-index: 1001;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    margin: 3px 0;
    transition: var(--transition);
    border-radius: 3px;
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

.nav-menu {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 30px;
}

.nav-link {
    color: var(--text-primary);
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 8px;
    transition: var(--transition);
    position: relative;
}

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

.nav-link.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--text-white);
    padding: 10px 24px;
}

.nav-link.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
}

.hero-pattern {
    position: absolute;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    opacity: 0.95;
}

.hero-pattern::before {
    content: '';
    position: absolute;
    width: 200%;
    height: 200%;
    top: -50%;
    left: -50%;
    background: url('data:image/svg+xml,%3Csvg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"%3E%3Cg fill="none" fill-rule="evenodd"%3E%3Cg fill="%23ffffff" fill-opacity="0.05"%3E%3Cpath d="M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z"/%3E%3C/g%3E%3C/g%3E%3C/svg%3E');
    animation: pattern-move 20s linear infinite;
}

@keyframes pattern-move {
    to { transform: translate(30px, 30px); }
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-text {
    max-width: 600px;
    margin-bottom: 60px;
    animation: fadeInUp 1s ease-out;
}

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

.hero-title {
    color: var(--text-white);
    margin-bottom: 20px;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: -1px;
}

.text-accent {
    color: var(--accent-color);
    position: relative;
}

.hero-subtitle {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.25rem;
    line-height: 1.6;
    margin-bottom: 30px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    border-radius: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 0.9rem;
}

.btn-primary {
    background: var(--accent-color);
    color: var(--text-white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
    color: var(--text-white);
}

.btn-outline {
    background: transparent;
    color: var(--text-white);
    border: 2px solid rgba(255, 255, 255, 0.5);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--text-white);
    color: var(--text-white);
}

.btn-large {
    padding: 16px 32px;
    font-size: 1rem;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

/* Hero Stats */
.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.stat-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
}

.stat-icon {
    font-size: 2rem;
    color: var(--accent-color);
    margin-bottom: 15px;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--text-white);
    font-family: var(--font-primary);
}

.stat-label {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 5px;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    animation: bounce 2s infinite;
}

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

.scroll-indicator span {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.scroll-indicator i {
    color: var(--accent-color);
    font-size: 1.5rem;
}

/* Sections */
section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    color: var(--text-primary);
    margin-bottom: 15px;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* About Section */
.about {
    background: var(--bg-light);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.about-text h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
}

.company-info {
    background: var(--bg-white);
    padding: 30px;
    border-radius: 15px;
    margin: 30px 0;
    box-shadow: var(--shadow-md);
}

.info-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px 0;
    border-bottom: 1px solid var(--bg-gray);
}

.info-item:last-child {
    border-bottom: none;
}

.info-item i {
    color: var(--primary-color);
    font-size: 1.5rem;
    width: 40px;
    text-align: center;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
}

.feature-card {
    background: var(--bg-white);
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

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

.feature-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-size: 1.8rem;
}

.feature-card h4 {
    color: var(--text-primary);
    margin-bottom: 10px;
}

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

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

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--bg-white);
    border: 2px solid var(--bg-gray);
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    position: relative;
    transition: var(--transition);
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    opacity: 0;
    transition: var(--transition);
    z-index: -1;
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: transparent;
    box-shadow: var(--shadow-xl);
}

.service-card:hover::before {
    opacity: 1;
}

.service-card:hover * {
    color: var(--text-white);
}

.service-card:hover .service-icon {
    background: var(--bg-white);
    color: var(--primary-color);
}

.service-card.main-service {
    grid-column: span 2;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border: none;
    color: var(--text-white);
}

.service-card.main-service * {
    color: var(--text-white);
}

.service-card.main-service .service-icon {
    background: var(--bg-white);
    color: var(--primary-color);
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-size: 2rem;
    transition: var(--transition);
}

.service-card h3 {
    margin-bottom: 15px;
    transition: var(--transition);
}

.service-card p {
    transition: var(--transition);
    margin-bottom: 20px;
}

.service-features {
    list-style: none;
    text-align: left;
    margin: 20px 0;
}

.service-features li {
    padding: 8px 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.service-features i {
    color: var(--accent-color);
    font-size: 0.9rem;
}

.service-percentage {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--accent-color);
    color: var(--text-white);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
}

/* Location Section */
.location {
    background: var(--bg-light);
}

.location-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 50px;
    align-items: start;
}

.location-info h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.location-info h3 i {
    color: var(--accent-color);
}

address {
    font-style: normal;
    line-height: 1.8;
    color: var(--text-secondary);
    padding: 20px;
    background: var(--bg-white);
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    margin-bottom: 30px;
}

address strong {
    color: var(--text-primary);
    font-size: 1.1rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 30px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 20px;
    background: var(--bg-white);
    border-radius: 15px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.contact-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(5px);
}

.contact-item i {
    color: var(--primary-color);
    font-size: 1.5rem;
    width: 40px;
    text-align: center;
    margin-top: 5px;
}

.btn-map {
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.map-container {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

#map {
    width: 100%;
    height: 500px;
}

/* Contact Section */
.contact {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--text-white);
}

.contact .section-title,
.contact .section-subtitle {
    color: var(--text-white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 50px;
}

.contact-form {
    background: var(--bg-white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow-xl);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    position: relative;
}

.form-group label {
    display: block;
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px 12px 45px;
    border: 2px solid var(--bg-gray);
    border-radius: 10px;
    font-size: 1rem;
    transition: var(--transition);
    background: var(--bg-white);
    color: var(--text-primary);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

.form-group i {
    position: absolute;
    left: 15px;
    top: 50px;
    transform: translateY(-50%);
    color: var(--text-light);
    transition: var(--transition);
}

.form-group textarea + i {
    top: 60px;
}

.form-group input:focus + i,
.form-group select:focus + i,
.form-group textarea:focus + i {
    color: var(--primary-color);
}

.contact-cta {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.cta-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 30px;
    border-radius: 20px;
    text-align: center;
}

.cta-card h3 {
    color: var(--text-white);
    margin-bottom: 15px;
}

.cta-card p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 25px;
}

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

.btn-accent:hover {
    background: var(--accent-dark);
}

.certifications h4 {
    color: var(--text-white);
    margin-bottom: 20px;
}

.cert-badges {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
}

.cert-badge {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 15px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    gap: 15px;
    transition: var(--transition);
}

.cert-badge:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateX(5px);
}

.cert-badge i {
    color: var(--accent-color);
    font-size: 1.5rem;
}

.cert-badge span {
    color: var(--text-white);
    font-weight: 600;
}

/* Footer */
.footer {
    background: var(--bg-dark);
    color: var(--text-white);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3,
.footer-section h4 {
    color: var(--text-white);
    margin-bottom: 20px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.footer-section p {
    color: var(--text-light);
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

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

.social-links a:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: var(--text-light);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--accent-color);
    transform: translateX(5px);
    display: inline-block;
}

.footer-info {
    list-style: none;
}

.footer-info li {
    margin-bottom: 10px;
    color: var(--text-light);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: var(--text-light);
    margin-bottom: 5px;
}

.footer-bottom i {
    color: var(--accent-color);
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: var(--text-white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    box-shadow: var(--shadow-lg);
}

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

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .about-content,
    .location-content,
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .service-card.main-service {
        grid-column: span 1;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        left: -100%;
        width: 80%;
        height: 100vh;
        background: var(--bg-white);
        flex-direction: column;
        padding: 100px 30px 30px;
        box-shadow: var(--shadow-xl);
        transition: var(--transition);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .about-features {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
}

/* Animaciones adicionales */
.fade-in {
    animation: fadeIn 1s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.slide-in-left {
    animation: slideInLeft 0.5s ease-out;
}

@keyframes slideInLeft {
    from {
        transform: translateX(-50px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.slide-in-right {
    animation: slideInRight 0.5s ease-out;
}

@keyframes slideInRight {
    from {
        transform: translateX(50px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}