:root {
    --primary-green: #2e7d32;
    --secondary-green: #4caf50;
    --light-green: #8bc34a;
    --dark-green: #1b5e20;
    --white: #ffffff;
    --light-gray: #f5f5f5;
    --text-dark: #333333;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--white);
    color: var(--text-dark);
    line-height: 1.6;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header y Navegación */
header {
    background-color: var(--primary-green);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

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

      .logo {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .logo-icon img {
            width: 40px;
            height: 40px;
            object-fit: contain;
        }
.logo-text {
    color: var(--white);
    font-size: 1.5rem;
    font-weight: bold;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 25px;
}

nav ul li a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
    padding: 5px 10px;
    border-radius: 4px;
}

nav ul li a:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

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

/* Hero Section */
.hero {
    background: linear-gradient(rgba(46, 125, 50, 0.8), rgba(46, 125, 50, 0.8)), url('../imagenes/centro.png');
    background-size: cover;
    background-position: center;
    color: var(--white);
    text-align: center;
    padding: 80px 20px;
}

.hero-proyectos {
    background: linear-gradient(rgba(46, 125, 50, 0.8), rgba(46, 125, 50, 0.8)), url('../imagenes/centro.png');
    background-size: cover;
    background-position: center;
}

.hero h1 {
    font-size: 2.8rem;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero p {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto 30px;
}

.cta-button {
    display: inline-block;
    background-color: var(--light-green);
    color: var(--white);
    padding: 12px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s, transform 0.2s;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.cta-button:hover {
    background-color: var(--secondary-green);
    transform: translateY(-3px);
}

/* Sección de Importancia Ecológica */
.eco-importance {
    padding: 80px 0;
    background-color: var(--light-gray);
}

.section-title {
    text-align: center;
    color: var(--primary-green);
    margin-bottom: 40px;
    font-size: 2.2rem;
}

.eco-content {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
}

.eco-text {
    flex: 1;
    min-width: 300px;
    padding: 20px;
}

.eco-text p {
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.eco-quote {
    background-color: var(--secondary-green);
    color: var(--white);
    padding: 25px;
    border-radius: 8px;
    margin-top: 30px;
    font-style: italic;
    font-size: 1.2rem;
    text-align: center;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.eco-image {
    flex: 1;
    min-width: 300px;
    padding: 20px;
    text-align: center;
}

.eco-image img {
    max-width: 100%;
    border-radius: 8px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

/* Sección de Video */
.video-section, .video-investigacion {
    padding: 80px 0;
    background-color: var(--white);
    text-align: center;
}

.video-container {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
    height: 0;
    overflow: hidden;
    max-width: 800px;
    margin: 0 auto;
    border-radius: 8px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

/* Sección de Modelos */
.models {
    padding: 80px 0;
    background-color: var(--light-gray);
}

.models-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.model-card {
    background-color: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.model-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 12px 20px rgba(0, 0, 0, 0.15);
}

.model-image {
    height: 200px;
    background-color: var(--primary-green);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 3rem;
}

.model-content {
    padding: 20px;
}

.model-content h3 {
    color: var(--primary-green);
    margin-bottom: 10px;
}

.model-link {
    display: inline-block;
    margin-top: 15px;
    color: var(--secondary-green);
    font-weight: bold;
    text-decoration: none;
}

.model-link:hover {
    text-decoration: underline;
}

/* Sección de Investigación */
.investigacion {
    padding: 80px 0;
    background-color: var(--light-gray);
}

.investigacion-content {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
}

.investigacion-text {
    flex: 1;
    min-width: 300px;
    padding: 20px;
}

.investigacion-text p {
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.investigacion-image {
    flex: 1;
    min-width: 300px;
    padding: 20px;
    text-align: center;
}

.investigacion-image img {
    max-width: 100%;
    border-radius: 8px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

/* Sección de Puntos de Investigación */
.puntos-investigacion {
    padding: 80px 0;
    background-color: var(--white);
}

.puntos-content {
    margin-top: 40px;
}

.punto {
    margin-bottom: 60px;
}

.punto h3 {
    color: var(--primary-green);
    margin-bottom: 20px;
    font-size: 1.5rem;
}

.punto-details {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
}

.punto-text {
    flex: 1;
    min-width: 300px;
}

.punto-text p {
    margin-bottom: 15px;
}

.punto-media {
    flex: 1;
    min-width: 300px;
}

.punto-video {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border-radius: 8px;
    margin-bottom: 20px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.punto-video iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.punto-imagen {
    text-align: center;
}

.punto-imagen img {
    max-width: 100%;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* Footer */
footer {
    background-color: var(--dark-green);
    color: var(--white);
    padding: 50px 0 20px;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}

.footer-section {
    flex: 1;
    min-width: 250px;
    margin-bottom: 30px;
    padding: 0 20px;
}

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

.footer-section p, .footer-section a {
    margin-bottom: 10px;
    color: var(--light-gray);
    text-decoration: none;
    display: block;
}

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

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

.social-icons a {
    font-size: 1.5rem;
}

.copyright {
    text-align: center;
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Responsive Design */
@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    nav ul {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--primary-green);
        padding: 20px;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
    }
    
    nav ul.show {
        display: flex;
    }
    
    nav ul li {
        margin: 10px 0;
    }
    
    .hero h1 {
        font-size: 2.2rem;
    }
    
    .eco-content, .investigacion-content {
        flex-direction: column;
    }
    
    .punto-details {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.8rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .logo-text {
        font-size: 1.2rem;
    }
}
/* Estilos para el Slider de Imágenes */
/* Estilos para el Slider de Imágenes - Versión con imágenes completas */
.slider-container {
    position: relative;
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
    background-color: #f0f0f0; /* Fondo por si las imágenes cargan lentamente */
}

.slider {
    display: flex;
    transition: transform 0.5s ease-in-out;
    height: 400px; /* Altura fija para el contenedor del slider */
}

.slide {
    min-width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #f0f0f0; /* Fondo para slides sin imagen */
}

.slide img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain; /* Cambiado de 'cover' a 'contain' para ver imagen completa */
    display: block;
}

.slider-controls {
    position: absolute;
    bottom: 20px;
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    gap: 10px;
    z-index: 10;
}

.slider-control {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    border: none;
    cursor: pointer;
    transition: background-color 0.3s;
}

.slider-control.active {
    background-color: var(--white);
}

.slider-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(0, 0, 0, 0.5);
    color: var(--white);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: background-color 0.3s;
}

.slider-nav:hover {
    background-color: rgba(0, 0, 0, 0.7);
}

.slider-prev {
    left: 15px;
}

.slider-next {
    right: 15px;
}

/* Ajustes responsivos para el slider */
@media (max-width: 768px) {
    .slider {
        height: 300px;
    }
    
    .slider-nav {
        width: 35px;
        height: 35px;
    }
}

@media (max-width: 480px) {
    .slider {
        height: 250px;
    }
    
    .slider-controls {
        bottom: 10px;
    }
    
    .slider-nav {
        width: 30px;
        height: 30px;
    }
}

/* Efecto de carga para imágenes */
.slide img {
    opacity: 0;
    transition: opacity 0.3s ease;
}

.slide img.loaded {
    opacity: 1;
}