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

body, html {
    height: 100%;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: white;
}

/* Fondo dinámico animado */
body {
    background: linear-gradient(-45deg, #ee7752, #e73c7e, #23a6d5, #23d5ab);
    background-size: 400% 400%;
    animation: gradient 15s ease infinite;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
}

@keyframes gradient {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Contenedor mejorado */
.container {
    padding: 60px 40px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 25px;
    backdrop-filter: blur(15px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    max-width: 800px;
    width: 90%;
}

h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    font-weight: 800;
}

p {
    margin-bottom: 3rem;
    font-size: 1.25rem;
    line-height: 1.8;
    opacity: 0.95;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Selector de idioma */
.lang-selector {
    position: absolute;
    top: 30px;
    right: 30px;
    display: flex;
    gap: 10px;
}

.lang-selector button {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid white;
    color: white;
    padding: 8px 16px;
    cursor: pointer;
    border-radius: 8px;
    font-weight: bold;
    transition: 0.3s;
}

.lang-selector button:hover {
    background: rgba(255, 255, 255, 0.4);
}

/* Estilo para los botones de donación */
.donation-options {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 30px;
    flex-wrap: wrap;
}

.btn-donate {
    background: rgba(255, 255, 255, 0.15);
    border: 2px solid white;
    color: white;
    padding: 15px 40px;
    text-decoration: none;
    border-radius: 50px;
    font-weight: bold;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-donate:hover, 
.btn-donate:focus {
    background: white;
    color: #e73c7e;
    outline: none;
    transform: scale(1.1);
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.5);
}

/* Animaciones */
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loader {
    border: 5px solid #f3f3f3;
    border-top: 5px solid #3498db;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 2s linear infinite;
    margin: 20px auto;
}