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

body {
    font-family: 'Segoe UI', Arial, sans-serif;
    background: linear-gradient(90deg, #a8edea 0%, #fed6e3 100%);
}

/* Banner animado */
.banner {
    position: relative;
    height: 320px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}
.banner-slider {
    position: absolute;
    width: 100%;
    height: 100%;
}
.banner-img {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 1s;
}
.banner-img.active {
    opacity: 1;
}
.banner-overlay {
    position: absolute;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0,0,0,0.3), rgba(0,0,0,0.1));
    z-index: 1;
}
.animated-text {
    position: relative;
    z-index: 2;
    color: #fff;
    font-size: 2.5rem;
    font-weight: bold;
    text-align: center;
    animation: fadeInDown 2s infinite alternate;
}
@keyframes fadeInDown {
    from { opacity: 0.7; transform: translateY(-20px);}
    to   { opacity: 1; transform: translateY(0);}
}

/* Main: 3 columnas responsivas */
.main-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 24px;
    background: linear-gradient(90deg, #a8edea 0%, #fed6e3 100%);
    padding: 32px 0;
}
.columna {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.07);
    flex: 1 1 300px;
    max-width: 350px;
    margin: 12px;
    padding: 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.columna h2 {
    margin-bottom: 12px;
    color: #333;
}
.responsive-img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: 10px;
    margin-top: 14px;
}

/* Formulario */
.formulario form {
    display: flex;
    flex-direction: column;
    gap: 10px;
    width: 100%;
}
.formulario input, .formulario button {
    padding: 8px;
    border-radius: 5px;
    border: 1px solid #ddd;
}
.formulario button {
    background:  #bc842a95;
    color: #fff;
    border: none;
    cursor: pointer;
    font-weight: bold;
    transition: background 0.2s;
}
.formulario button:hover {
    background: #583b0995;
}

/* Footer */
footer {
    background: #222;
    color: #fff;
    text-align: center;
    padding: 22px 0 10px 0;
}
.iconos a {
    color: #fff;
    margin: 0 8px;
    font-size: 1.5rem;
    transition: color 0.2s;
}
.iconos a:hover {
    color: #ffffff7b;
}

/* Responsive */
@media (max-width: 900px) {
    .main-content {
        flex-direction: column;
        align-items: center;
    }
    .columna {
        max-width: 90%;
    }
}