body {
    text-align: center;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: radial-gradient(
        circle at top,
        #1f2933 0%,
        #0f172a 40%,
        #020617 100%
    );
    color: #ff3a3a;
    min-height: 100vh;
}


.contenedor {
    max-width: 900px;
    margin: 60px auto;
    padding: 40px;
    border-radius: 20px;
    background: rgba(15, 23, 42, 0.75);
    backdrop-filter: blur(12px);
    box-shadow:
        0 20px 50px rgba(0,0,0,0.6),
        inset 0 1px 0 rgba(255,255,255,0.05);
}


h1 {
    font-weight: 800;
    font-size: 3rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: #ff4b4b; /* un rojo vibrante */
    text-shadow: 
        2px 2px 8px rgba(0, 0, 0, 0.6),
        0 0 10px rgba(255, 75, 75, 0.5); /* efecto de brillo suave */
    animation: fadeUp 1s ease forwards;
    margin-bottom: 20px;
}



input, select {
    width: 65%;
    height: 38px;
    padding: 6px 12px;
    font-size: 15px;
    background: #020617;
    color: #e5e7eb;
    border: 1px solid rgba(255, 255, 255, 0.15);
}

input::placeholder {
    color: #9ca3af;
}


button {
    background: linear-gradient(135deg, #c52222, #a31616);
    border: none;
    padding: 12px 22px;
    border-radius: 10px;
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 30px rgba(197, 34, 34, 0.4);
}

ul {
    list-style: none;
    padding: 0;
}

li {
    list-style: none;
    background: #ffffff;
    border-radius: 18px;
    margin: 30px auto;
    padding: 25px;
    max-width: 420px;
    transition: transform 0.35s ease, box-shadow 0.35s ease;
}

li img {
    display: block;
    margin: 15px auto 0;
    max-width: 220px;
    border-radius: 14px;
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.635);
    transition: transform 0.4s ease;
}

li p {
    opacity: 0;
    max-height: 0;
    overflow: hidden;
    font-style: italic;
    color: #6a2121;
    margin-top: 10px;
    line-height: 1.4;
    text-align: justify;
    transform: translateY(-6px);
    transition:
        opacity 0.4s ease,
        max-height 0.4s ease,
        transform 0.4s ease;
}

li:hover img {
    transform: scale(1.05);
}

li:hover p, li:hover img {
    display: block;
    opacity: 1;
}

li:hover p {
    opacity: 1;
    max-height: 200px;
    transform: translateY(0);
}

li:hover {
    transform: translateY(-6px) scale(1.02);
    box-shadow: 0 5px 30px rgba(255, 0, 0, 0.695);
}

.bloque {
    margin: 20px auto;
    max-width: 500px;
}

.bloque-busqueda {
    display: flex;
    justify-content: center;
    gap: 8px;
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}