body {
    font-family: 'Segoe UI', Arial, sans-serif;
    margin: 0;
    scroll-behavior: smooth;
    background: #eaf6ef;
    color: #222;
}

header {
    background: linear-gradient(90deg, #49B861 60%, #2e8b57 100%);
    color: white;
    padding: 25px 20px 15px 20px;
    text-align: center;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 8px rgba(44, 62, 80, 0.08);
}

nav a {
    color: white;
    margin: 0 15px;
    text-decoration: none;
    font-weight: bold;
    padding: 8px 18px;
    border-radius: 20px;
    transition: background 0.2s, color 0.2s;
}

nav a:hover, nav a:focus {
    background: #fff;
    color: #49B861;
    text-decoration: none;
    outline: none;
}

section {
    padding: 60px 20px 40px 20px;
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

section:nth-child(even) {
    background: #f4f4f4;
}

.container {
    max-width: 900px;
    margin: 0 auto 5% auto;
    text-align: center;
    background: #fff;
    border-radius: 18px;
    box-shadow: 0 4px 24px rgba(44, 62, 80, 0.10);
    padding: 40px 30px 30px 30px;
}

h2 {
    margin-bottom: 20px;
    color: #2e8b57;
    font-size: 2.2em;
    font-weight: 700;
}

p {
    margin-bottom: 20px;
    font-size: 1.15em;
    line-height: 1.7;
}

img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(44, 62, 80, 0.13);
    margin-top: 18px;
}

footer {
    text-align: center;
    padding: 24px 10px 18px 10px;
    background: linear-gradient(90deg, #2e8b57 60%, #49B861 100%);
    color: #fff;
    font-size: 1.1em;
    letter-spacing: 0.5px;
    margin-top: 40px;
    border-radius: 18px 18px 0 0;
}

/* Tarjetas para secciones info-extra */
.info-extra .container {
    background: #eaf6ef;
    box-shadow: 0 2px 12px rgba(44, 62, 80, 0.10);
    border: 1.5px solid #49B86133;
}

/* Responsive */
@media (max-width: 700px) {
    .container {
        padding: 18px 6px 18px 6px;
    }
    h2 {
        font-size: 1.3em;
    }
    nav a {
        margin: 0 5px;
        padding: 6px 10px;
    }
    section {
        padding: 30px 2vw 20px 2vw;
    }
}