:root {
    --primary-color: #87CEEB; /* Celeste pastel */
    --secondary-color: #4682B4;
    --accent-color: #20B2AA;
    --light-color: #F8F9FA;
    --dark-color: #343A40;
    --success-color: #28A745;
    --warning-color: #FFC107;
    --danger-color: #DC3545;
    --text-color: #333;
    --text-light: #6C757D;
    --border-color: #DEE2E6;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

[data-theme="dark"] {
    --primary-color: #5D8AA8;
    --secondary-color: #2C3E50;
    --light-color: #212529;
    --dark-color: #F8F9FA;
    --text-color: #E9ECEF;
    --text-light: #ADB5BD;
    --border-color: #495057;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--light-color);
    transition: var(--transition);
}

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

/* Header y Navegación */
.header {
    background-color: white;
    box-shadow: var(--shadow);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}

[data-theme="dark"] .header {
    background-color: var(--secondary-color);
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px 0;
}

.logo {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: contain;
}

.site-title {
    font-size: 1.8rem;
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 700;
}

[data-theme="dark"] .site-title {
    color: var(--primary-color);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
}

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

.nav-link {
    text-decoration: none;
    color: var(--dark-color);
    font-weight: 500;
    padding: 5px 0;
    position: relative;
    transition: var(--transition);
}

[data-theme="dark"] .nav-link {
    color: var(--light-color);
}

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

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

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

/* Slider */
.slider-container {
    position: relative;
    width: 100%;
    height: 600px;
    overflow: hidden;
    margin-top: 80px;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    background-size: cover;
    background-position: center;
}

.slide.active {
    opacity: 1;
}

.slide-content {
    position: absolute;
    bottom: 50px;
    left: 50px;
    color: white;
    background-color: rgba(0, 0, 0, 0.6);
    padding: 20px;
    border-radius: 5px;
    max-width: 500px;
}

.slide-nav {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
}

.slide-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: var(--transition);
}

.slide-dot.active {
    background-color: white;
}

/* Servicios */
.services-overview {
    padding: 80px 0;
    background-color: var(--light-color);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.service-card {
    background-color: white;
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

[data-theme="dark"] .service-card {
    background-color: var(--secondary-color);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.service-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

/* Botones */
.btn {
    display: inline-block;
    padding: 10px 25px;
    background-color: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 5px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
}

.btn:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
}

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

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

/* Formulario de contacto flotante */
.contact-icon {
    position: fixed;
    bottom: 100px;
    right: 30px;
    background-color: var(--primary-color);
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow);
    z-index: 999;
    font-size: 1.5rem;
    transition: var(--transition);
}

.contact-icon:hover {
    background-color: var(--secondary-color);
    transform: scale(1.1);
}

.contact-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1001;
    align-items: center;
    justify-content: center;
}

.contact-form-container {
    background-color: white;
    padding: 30px;
    border-radius: 10px;
    width: 90%;
    max-width: 500px;
    box-shadow: var(--shadow);
}

[data-theme="dark"] .contact-form-container {
    background-color: var(--secondary-color);
}

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

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-family: inherit;
    background-color: var(--light-color);
    color: var(--text-color);
}

.form-group textarea {
    height: 120px;
    resize: vertical;
}

.close-modal {
    position: absolute;
    top: 10px;
    right: 10px;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-color);
}

/* Botón WhatsApp */
.whatsapp-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: #25D366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow);
    z-index: 999;
    font-size: 2rem;
    transition: var(--transition);
}

.whatsapp-btn:hover {
    transform: scale(1.1);
}

.whatsapp-qr {
    display: none;
    position: absolute;
    bottom: 70px;
    right: 0;
    background-color: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.whatsapp-btn:hover .whatsapp-qr {
    display: block;
}

.whatsapp-qr img {
    width: 150px;
    height: 150px;
}

/* Toggle de tema oscuro */
.theme-toggle {
    position: fixed;
    bottom: 170px;
    right: 30px;
    background-color: var(--secondary-color);
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow);
    z-index: 999;
    font-size: 1.2rem;
    transition: var(--transition);
}

.theme-toggle:hover {
    background-color: var(--primary-color);
}

/* Footer */
.footer {
    background-color: var(--secondary-color);
    color: white;
    padding: 50px 0 20px;
    margin-top: 80px;
}

[data-theme="dark"] .footer {
    background-color: var(--dark-color);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 30px;
}

.footer-section h3 {
    margin-bottom: 20px;
    font-size: 1.3rem;
}

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

.social-links a {
    color: white;
    font-size: 1.5rem;
    transition: var(--transition);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Responsive */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .slider-container {
        height: 400px;
    }
    
    .slide-content {
        left: 20px;
        bottom: 20px;
        padding: 15px;
        max-width: 300px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-icon,
    .whatsapp-btn,
    .theme-toggle {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
    
    .theme-toggle {
        bottom: 150px;
    }
    
    .contact-icon {
        bottom: 120px;
    }
}