:root {
    --verde-oscuro: #1C4B2D;
    --verde-claro: #81C784;
    --gris-oscuro: #3A3A3A;
    --gris-claro: #E5E7EB;
    --blanco: #FFFFFF;
}

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

body {
    font-family: 'Open Sans', sans-serif;
    color: var(--gris-oscuro);
    line-height: 1.6;
    background-color: var(--blanco);
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background-color: var(--verde-oscuro);
    color: var(--blanco);
    padding: 20px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.logo-container {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
}

.logo {
    height: 60px;
    margin-right: 15px;
}

.slogan {
    font-size: 0.9rem;
    font-weight: 300;
    opacity: 0.9;
}

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

.main-nav a {
    color: var(--blanco);
    text-decoration: none;
    padding: 10px 15px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.main-nav a:hover, .main-nav a.active {
    color: var(--verde-claro);
}

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

/* Hero Section */
.hero {
    background: linear-gradient(rgba(28, 75, 45, 0.8), rgba(28, 75, 45, 0.8)), 
                url('../images/fondo-institucional.jpg') no-repeat center center/cover;
    height: 100vh;
    color: var(--blanco);
    display: flex;
    align-items: center;
    text-align: center;
    margin-top: 80px;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Buttons */
.btn-primary, .btn-secondary {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: var(--verde-claro);
    color: var(--verde-oscuro);
}

.btn-primary:hover {
    background-color: var(--blanco);
    transform: translateY(-3px);
}

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

.btn-secondary:hover {
    background-color: var(--blanco);
    color: var(--verde-oscuro);
}

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

.about-preview {
    background-color: var(--gris-claro);
    text-align: center;
}

.about-preview h2 {
    color: var(--verde-oscuro);
    margin-bottom: 20px;
}

.about-preview p {
    max-width: 700px;
    margin: 0 auto 30px;
}

.services-preview {
    text-align: center;
}

.services-preview h2 {
    color: var(--verde-oscuro);
    margin-bottom: 50px;
}

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

.service-card {
    background-color: var(--blanco);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

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

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

.smarthmate-preview {
    background: linear-gradient(rgba(28, 75, 45, 0.9), rgba(28, 75, 45, 0.9)), 
                url('../images/smarthmate-demo.jpg') no-repeat center center/cover;
    color: var(--blanco);
    text-align: center;
}

.smarthmate-preview h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.smarthmate-preview p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Footer */
.footer {
    background-color: var(--verde-oscuro);
    color: var(--blanco);
    padding: 60px 0 0;
}

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

.footer-logo img {
    height: 80px;
    margin-bottom: 15px;
}

.footer-links h3, .footer-contact h3 {
    margin-bottom: 20px;
    font-size: 1.2rem;
}

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

.footer-links a {
    color: var(--blanco);
    text-decoration: none;
    display: block;
    margin-bottom: 10px;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--verde-claro);
}

.social-links a {
    display: inline-block;
    margin-right: 15px;
    color: var(--blanco);
    text-decoration: none;
}

.social-links a:hover {
    text-decoration: underline;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 20px 0;
    text-align: center;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom a {
    color: var(--blanco);
    text-decoration: none;
}

.footer-bottom a:hover {
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 768px) {
    .main-nav {
        position: fixed;
        top: 100px;
        left: -100%;
        width: 80%;
        height: calc(100vh - 100px);
        background-color: var(--verde-oscuro);
        flex-direction: column;
        transition: left 0.3s ease;
    }

    .main-nav.active {
        left: 0;
    }

    .main-nav ul {
        flex-direction: column;
        padding: 20px;
    }

    .main-nav a {
        display: block;
        padding: 15px;
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }

    .menu-toggle {
        display: block;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .hero p {
        font-size: 1rem;
    }
}

/* Estilos específicos para Quiénes Somos */
.hero-quienes {
    background: linear-gradient(rgba(28, 75, 45, 0.8), rgba(28, 75, 45, 0.8)), 
                url('../images/equipo-yatrana.jpg') no-repeat center center/cover;
    height: 60vh;
    color: var(--blanco);
    display: flex;
    align-items: center;
    text-align: center;
    margin-top: 80px;
}

.hero-quienes h1 {
    font-size: 3rem;
    margin-bottom: 20px;
}

.hero-quienes p {
    font-size: 1.5rem;
    font-weight: 300;
}

.mision-vision {
    padding: 80px 0;
    background-color: var(--gris-claro);
}

.mv-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
}

.mv-card {
    background-color: var(--blanco);
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.mv-card h2 {
    color: var(--verde-oscuro);
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 15px;
}

.mv-card h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: var(--verde-claro);
}

.equipo {
    padding: 80px 0;
    text-align: center;
}

.equipo h2 {
    color: var(--verde-oscuro);
    margin-bottom: 50px;
}

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

.miembro {
    background-color: var(--blanco);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
}

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

.miembro-img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    margin: 0 auto 20px;
    background-size: cover;
    background-position: center;
    border: 5px solid var(--gris-claro);
}

.miembro h3 {
    color: var(--verde-oscuro);
    margin-bottom: 10px;
}

.miembro p {
    margin-bottom: 10px;
    font-size: 0.9rem;
}

.valores {
    padding: 80px 0;
    background-color: var(--gris-claro);
}

.valores h2 {
    text-align: center;
    color: var(--verde-oscuro);
    margin-bottom: 50px;
}

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

.valor-card {
    background-color: var(--blanco);
    padding: 30px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    border-top: 4px solid var(--verde-claro);
}

.valor-card h3 {
    color: var(--verde-oscuro);
    margin-bottom: 15px;
}

@media (max-width: 768px) {
    .hero-quienes h1 {
        font-size: 2.2rem;
    }
    
    .hero-quienes p {
        font-size: 1.2rem;
    }
    
    .mv-grid {
        grid-template-columns: 1fr;
    }
}