/* ====== Variables ====== */
:root {
    /* Colores principales */
    --color-primary: #e74c3c;
    --color-primary-dark: #c0392b;
    --color-secondary: #2c3e50;
    --color-secondary-light: #34495e;
    --color-accent: #f39c12;
    --color-accent-dark: #d35400;
    
    /* Colores neutros */
    --color-dark: #1a1a1a;
    --color-gray-dark: #555;
    --color-gray: #777;
    --color-gray-light: #aaa;
    --color-light: #ecf0f1;
    --color-white: #ffffff;
    
    /* Fuentes */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Montserrat', sans-serif;
    
    /* Tamaños */
    --container-width: 1200px;
    --header-height: 80px;
    --border-radius: 8px;
    --border-radius-sm: 4px;
    --border-radius-lg: 12px;
    
    /* Sombras */
    --shadow-sm: 0 2px 5px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 28px rgba(0, 0, 0, 0.15);
    
    /* Transiciones */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ====== Reset y Estilos Globales ====== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

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

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

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

ul, ol {
    list-style: none;
}

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

button, input, textarea, select {
    font-family: inherit;
    font-size: inherit;
    outline: none;
    border: none;
}

.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 80px 0;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px;
}

.section-header h2 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-secondary);
    margin-bottom: 20px;
    position: relative;
}

.section-header h2::after {
    content: '';
    display: block;
    width: 80px;
    height: 3px;
    background-color: var(--color-primary);
    margin: 15px auto 0;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--color-gray);
}

/* ====== Botones ====== */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 2px solid transparent;
}

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

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

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

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

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--color-gray-light);
    color: var(--color-gray-dark);
}

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

.btn-link {
    display: inline-flex;
    align-items: center;
    color: var(--color-primary);
    font-weight: 600;
    text-decoration: none;
    position: relative;
}

.btn-link::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition-fast);
}

.btn-link:hover::after {
    width: 100%;
}

/* ====== Header y Navegación ====== */
#header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: var(--color-white);
    box-shadow: var(--shadow-sm);
    height: var(--header-height);
    transition: all var(--transition-normal);
}

#header.scrolled {
    box-shadow: var(--shadow-md);
    height: 70px;
}

#header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

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

.logo img {
    height: 50px;
    width: auto;
    transition: height var(--transition-normal);
}

#header.scrolled .logo img {
    height: 40px;
}

nav {
    display: flex;
    align-items: center;
}

.menu {
    display: flex;
    gap: 30px;
}

.nav-link {
    color: var(--color-secondary);
    font-weight: 600;
    position: relative;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition-fast);
}

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

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 20px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
}

.mobile-menu-btn span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--color-secondary);
    transition: all var(--transition-fast);
}

/* ====== Sección Hero ====== */
.hero {
    padding: 180px 0 100px;
    background-color: var(--color-light);
    overflow: hidden;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content h1 {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 30px;
    color: var(--color-secondary);
}

.hero-content h1 span {
    color: var(--color-primary);
    display: block;
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--color-gray);
    margin-bottom: 40px;
    max-width: 90%;
}

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

.hero-image {
    position: relative;
}

.hero-image img {
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    object-fit: cover;
    width: 100%;
    height: 500px;
}

.hero-shapes .shape {
    position: absolute;
    z-index: -1;
}

.hero-shapes .shape-1 {
    top: -50px;
    right: -100px;
    width: 300px;
    height: 300px;
    background-color: var(--color-primary);
    opacity: 0.1;
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    animation: float 8s ease-in-out infinite;
}

.hero-shapes .shape-2 {
    bottom: -100px;
    left: -50px;
    width: 250px;
    height: 250px;
    background-color: var(--color-secondary);
    opacity: 0.1;
    border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
    animation: float 6s ease-in-out infinite alternate;
}

@keyframes float {
    0% {
        transform: translateY(0) rotate(0);
    }
    50% {
        transform: translateY(-20px) rotate(5deg);
    }
    100% {
        transform: translateY(0) rotate(0);
    }
}

/* ====== Sección Estadísticas ====== */
.stats {
    padding: 60px 0;
    background-color: var(--color-secondary);
    color: var(--color-white);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.stat-item {
    text-align: center;
    padding: 20px;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-primary);
    display: block;
    margin-bottom: 10px;
}

.stat-item p {
    font-size: 1rem;
    color: var(--color-light);
}

/* ====== Sección Servicios ====== */
.servicios {
    background-color: var(--color-white);
}

.servicios-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.servicio-card {
    background-color: var(--color-white);
    border-radius: var(--border-radius);
    padding: 40px 30px;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    text-align: center;
}

.servicio-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.servicio-icon {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    border-radius: 50%;
    background-color: rgba(231, 76, 60, 0.1);
    color: var(--color-primary);
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

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

.servicio-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--color-secondary);
}

.servicio-card p {
    color: var(--color-gray);
    margin-bottom: 25px;
    min-height: 80px;
}

/* ====== Sección Por Qué Elegirnos ====== */
.por-que-nosotros {
    background-color: var(--color-light);
    overflow: hidden;
}

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

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

.feature-item {
    display: flex;
    gap: 20px;
}

.feature-icon {
    flex-shrink: 0;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    width: 50px;
    height: 50px;
    color: var(--color-primary);
}

.feature-content h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--color-secondary);
}

.feature-content p {
    color: var(--color-gray);
}

.image-column img {
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    object-fit: cover;
    width: 100%;
    height: 100%;
    min-height: 400px;
}

.shapes .shape {
    position: absolute;
    z-index: -1;
}

.shapes .shape-3 {
    bottom: -80px;
    right: -100px;
    width: 280px;
    height: 280px;
    background-color: var(--color-accent);
    opacity: 0.1;
    border-radius: 30% 70% 50% 50% / 30% 30% 70% 70%;
    animation: float2 10s ease-in-out infinite;
}

.shapes .shape-4 {
    top: -50px;
    left: -80px;
    width: 200px;
    height: 200px;
    background-color: var(--color-primary);
    opacity: 0.1;
    border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
    animation: float2 8s ease-in-out infinite alternate;
}

@keyframes float2 {
    0% {
        transform: translateY(0) rotate(0);
    }
    50% {
        transform: translateY(-15px) rotate(-5deg);
    }
    100% {
        transform: translateY(0) rotate(0);
    }
}

/* ====== Sección Casos de Éxito ====== */
.casos {
    background-color: var(--color-white);
}

.casos-slider {
    position: relative;
    overflow: hidden;
}

.caso-slide {
    display: none;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    margin-bottom: 40px;
}

.caso-slide.active {
    display: grid;
    animation: fadeIn 1s ease;
}

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

.caso-image img {
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.caso-content {
    padding: 20px;
}

.caso-content h3 {
    font-size: 2rem;
    margin-bottom: 15px;
    color: var(--color-secondary);
}

.caso-categoria {
    display: inline-block;
    padding: 5px 15px;
    background-color: rgba(231, 76, 60, 0.1);
    color: var(--color-primary);
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.caso-descripcion {
    color: var(--color-gray);
    margin-bottom: 30px;
    font-size: 1.1rem;
}

.caso-resultado {
    background-color: rgba(44, 62, 80, 0.05);
    padding: 15px 20px;
    border-radius: var(--border-radius);
    border-left: 4px solid var(--color-secondary);
}

.caso-resultado span {
    font-weight: 700;
    color: var(--color-secondary);
}

.slider-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
}

.prev-btn, .next-btn {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--color-white);
    color: var(--color-secondary);
    box-shadow: var(--shadow-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.prev-btn:hover, .next-btn:hover {
    background-color: var(--color-secondary);
    color: var(--color-white);
}

.slider-dots {
    display: flex;
    gap: 10px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--color-gray-light);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.dot.active {
    background-color: var(--color-primary);
}

/* ====== Sección Testimonios ====== */
.testimonios {
    background-color: var(--color-light);
}

.testimonios-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.testimonio-card {
    background-color: var(--color-white);
    border-radius: var(--border-radius);
    padding: 40px 30px;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal);
}

.testimonio-card:hover {
    transform: translateY(-10px);
}

.testimonio-quote {
    color: var(--color-primary);
    margin-bottom: 20px;
    opacity: 0.5;
}

.testimonio-texto {
    font-size: 1.1rem;
    color: var(--color-secondary);
    margin-bottom: 30px;
    font-style: italic;
}

.testimonio-autor {
    display: flex;
    align-items: center;
    gap: 15px;
}

.autor-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    overflow: hidden;
}

.autor-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.autor-info h4 {
    font-size: 1.1rem;
    color: var(--color-secondary);
    margin-bottom: 5px;
}

.autor-info p {
    font-size: 0.9rem;
    color: var(--color-gray);
}

/* ====== Sección FAQ ====== */
.faq {
    background-color: var(--color-white);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.faq-item {
    border: 1px solid var(--color-gray-light);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background-color: var(--color-white);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.faq-question h3 {
    font-size: 1.1rem;
    color: var(--color-secondary);
    font-weight: 600;
    margin-right: 20px;
}

.toggle-btn {
    background: transparent;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    color: var(--color-primary);
    flex-shrink: 0;
}

.toggle-btn svg {
    transition: transform var(--transition-fast);
}

.faq-item.active .toggle-btn svg {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal), padding var(--transition-normal);
}

.faq-item.active .faq-answer {
    padding: 0 20px 20px;
    max-height: 500px;
}

.faq-answer p {
    color: var(--color-gray);
}

/* ====== Sección Contacto ====== */
.contacto {
    background-color: var(--color-light);
}

.contacto-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contacto-info h2 {
    font-family: var(--font-heading);
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--color-secondary);
}

.contacto-info > p {
    margin-bottom: 40px;
    color: var(--color-gray);
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 25px;
}

.info-item svg {
    color: var(--color-primary);
    flex-shrink: 0;
}

.info-item h3 {
    font-size: 1.1rem;
    color: var(--color-secondary);
    margin-bottom: 5px;
}

.info-item p {
    color: var(--color-gray);
}

.mapa {
    margin-top: 40px;
    border-radius: var(--border-radius);
    overflow: hidden;
}

.contacto-form {
    background-color: var(--color-white);
    border-radius: var(--border-radius);
    padding: 40px;
    box-shadow: var(--shadow-md);
}

.form-header {
    text-align: center;
    margin-bottom: 30px;
}

.form-header h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: var(--color-secondary);
}

.form-header p {
    color: var(--color-gray);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--color-secondary);
    font-weight: 500;
}

.form-group input, 
.form-group textarea, 
.form-group select {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--color-gray-light);
    border-radius: var(--border-radius-sm);
    transition: border-color var(--transition-fast);
}

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

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.checkbox-group input[type="checkbox"] {
    width: auto;
    margin-top: 5px;
}

.checkbox-group label {
    margin-bottom: 0;
    font-size: 0.9rem;
    color: var(--color-gray);
}

.contacto-form .btn {
    width: 100%;
    margin-top: 10px;
}

/* ====== Footer ====== */
.footer {
    background-color: var(--color-secondary);
    color: var(--color-light);
    padding: 80px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr 1fr;
    gap: 50px;
    margin-bottom: 60px;
}

.footer-logo img {
    height: 50px;
    margin-bottom: 20px;
}

.footer-logo p {
    color: var(--color-gray-light);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.links-column h3 {
    color: var(--color-white);
    font-size: 1.2rem;
    margin-bottom: 20px;
    position: relative;
}

.links-column h3::after {
    content: '';
    display: block;
    width: 40px;
    height: 2px;
    background-color: var(--color-primary);
    margin-top: 10px;
}

.links-column ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.links-column a {
    color: var(--color-gray-light);
    transition: color var(--transition-fast);
}

.links-column a:hover {
    color: var(--color-primary);
}

.footer-newsletter h3 {
    color: var(--color-white);
    font-size: 1.2rem;
    margin-bottom: 20px;
    position: relative;
}

.footer-newsletter h3::after {
    content: '';
    display: block;
    width: 40px;
    height: 2px;
    background-color: var(--color-primary);
    margin-top: 10px;
}

.footer-newsletter p {
    color: var(--color-gray-light);
    margin-bottom: 20px;
}

.footer-newsletter .form-group {
    display: flex;
    gap: 10px;
}

.footer-newsletter input {
    flex: 1;
}

.footer-newsletter .checkbox-group label {
    color: var(--color-gray-light);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
}

.footer-legal {
    display: flex;
    gap: 20px;
}

.footer-legal a {
    color: var(--color-gray-light);
}

/* ====== Cookie Consent ====== */
.cookie-consent {
    position: fixed;
    bottom: 30px;
    left: 30px;
    max-width: 400px;
    background-color: var(--color-white);
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    transform: translateY(200%);
    transition: transform var(--transition-normal);
}

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

.cookie-content p {
    margin-bottom: 15px;
    font-size: 0.95rem;
    color: var(--color-gray);
}

.cookie-buttons {
    display: flex;
    gap: 10px;
}

/* ====== Back to Top Button ====== */
#back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--color-primary);
    color: var(--color-white);
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    z-index: 99;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-md);
}

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

#back-to-top:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-5px);
}

/* ====== Media Queries ====== */
@media (max-width: 1200px) {
    .section-header h2 {
        font-size: 2.2rem;
    }
    
    .hero-content h1 {
        font-size: 3rem;
    }
    
    .servicios-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .hero .container, 
    .content-columns,
    .caso-slide,
    .contacto-grid,
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .hero {
        padding: 150px 0 80px;
    }
    
    .hero-content {
        text-align: center;
    }
    
    .hero-content p {
        max-width: 100%;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .testimonios-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .faq-grid {
        grid-template-columns: 1fr;
    }
    
    .caso-image {
        grid-row: 1;
    }
    
    .caso-content {
        grid-row: 2;
    }
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex;
    }
    
    .menu {
        position: fixed;
        top: var(--header-height);
        left: 0;
        width: 100%;
        background-color: var(--color-white);
        flex-direction: column;
        padding: 20px;
        gap: 15px;
        box-shadow: var(--shadow-md);
        transform: translateY(-150%);
        transition: transform var(--transition-normal);
        z-index: 99;
    }
    
    .menu.show {
        transform: translateY(0);
    }
    
    .servicios-grid {
        grid-template-columns: 1fr;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .footer-content {
        gap: 30px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .footer-legal {
        justify-content: center;
    }
}

@media (max-width: 576px) {
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .cookie-consent {
        left: 15px;
        right: 15px;
        max-width: none;
    }
    
    .contacto-form {
        padding: 30px 20px;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .section-header {
        margin-bottom: 40px;
    }
}