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

/* Estilos generales */
body {
    font-family: 'Arial', sans-serif;
    background-color: #f0f2f5;
    color: #333;
    line-height: 1.6;
}

/* Encabezado */
header {
    background-color: #1e88e5;
    color: white;
    padding: 40px 20px;
    text-align: center;
}

/* Secciones */
section {
    padding: 30px 20px;
    max-width: 1100px;
    margin: 20px auto;
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

/* Títulos */
h1, h2, h3 {
    margin-bottom: 20px;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
    color: #1e88e5;
}

h3 {
    font-size: 1.5rem;
}

/* Videos responsivos */
.video-container {
    position: relative;
    overflow: hidden;
    width: 100%;
    padding-top: 56.25%;
    margin-bottom: 30px;
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* Formularios */
form {
    background: #f9f9f9;
    padding: 20px;
    border-radius: 10px;
    margin-top: 30px;
}

input, textarea, button {
    width: 100%;
    padding: 12px;
    margin: 10px 0;
    border-radius: 5px;
    border: 1px solid #ccc;
    font-size: 1rem;
}

button {
    background-color: #ff5722;
    color: white;
    border: none;
    cursor: pointer;
    transition: background 0.3s ease;
}

button:hover {
    background-color: #e64a19;
}

/* Links */
a {
    color: #1e88e5;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* Footer */
footer {
    text-align: center;
    padding: 20px;
    font-size: 0.9rem;
    color: #777;
    margin-top: 40px;
}

/* Responsive Design */
@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }
    h2 {
        font-size: 1.6rem;
    }
    section {
        padding: 20px 15px;
    }
}