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

body {
    background-color: #252525;
    color: #f8f9fa;
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
}

header {
    background-color: rgb(16, 51, 49);
    padding: 40px 20px;
    text-align: center;
    border-bottom: 2px solid var(--primary-color);
}

nav {
    background-color: #241664;
    padding: 15px;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 30px;
}

nav ul li a {
    color: var(--text-main);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 600;
    transition: var(--transition);
}

main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
}

button {
    background-color: #241664;
    color: #d47f7f;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    transition: var(--transition);
}

#probarQuery {
    background-color: #1b2c3d;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgb(238, 147, 147);
}


.funciones-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 15px;
    margin-bottom: 30px;
}

.btn-funcion {
    padding: 15px;
    font-size: 0.95rem;
    font-weight: 600;
    color: #d47f7f;
    border-radius: 6px;
    transition: all 0.3s ease;
    text-align: center;
}


.caja-demo {
    background-color: #4ECDC4;
    color: #1b2c3d;
    padding: 40px;
    margin: 30px 0;
    font-size: 18px;
    font-weight: bold;
    text-align: center;
    transition: all 0.3s ease;
}

.caja-grande {
    padding: 60px;
    font-size: 24px;
    transform: scale(1.1);
}


footer {
    background-color: var(--bg-accent);
    padding: 30px;
    text-align: center;
    margin-top: 50px;
    color: var(--text-dim);
    font-size: 0.9rem;
}