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

body {
    font-family: 'Roboto Mono', monospace;
    background: linear-gradient(135deg, #0f0c29, #302b63, #24243e);
    color: #ffffff;
    line-height: 1.6;
    min-height: 100vh;
}


header {
    background: linear-gradient(90deg, #ff0080, #7928ca, #ff0080);
    padding: 1.5rem 2rem;
    box-shadow: 0 4px 20px rgba(255, 0, 128, 0.4);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 3px solid #00ff87;
}

header h1 {
    font-size: 2.5rem;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 3px;
    text-shadow: 0 0 20px rgba(255, 0, 128, 0.8),
        0 0 40px rgba(121, 40, 202, 0.6);
    animation: glow 2s ease-in-out infinite alternate;
}

nav ol {
    list-style: none;
    text-align: center;
    margin-top: 1rem;
}

nav ol li {
    display: inline-block;
}

nav ol li a {
    color: #00ff87;
    text-decoration: none;
    padding: 0.8rem 2rem;
    background: rgba(0, 0, 0, 0.3);
    border: 2px solid #00ff87;
    border-radius: 25px;
    transition: all 0.3s ease;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
}

nav ol li a:hover {
    background: #00ff87;
    color: #0f0c29;
    transform: translateY(-3px);
    box-shadow: 0 5px 20px rgba(0, 255, 135, 0.5);
}

.breadcrumb-nav {
    padding: 10px 32px;
    background: rgba(255, 255, 255, 0.04);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
    margin: 0;
    padding: 0;
    font-family: 'Roboto Mono', monospace;
    font-size: 0.82rem;
}

.breadcrumb-item+.breadcrumb-item::before {
    content: "›";
    color: #ff2d78;
    font-weight: bold;
    font-size: 1rem;
}

.breadcrumb-item a {
    color: #00e5ff;
    text-decoration: none;
    transition: color 0.2s ease;
}

.breadcrumb-item a:hover {
    color: #ff2d78;
    text-decoration: underline;
}

.breadcrumb-item.active {
    color: rgba(255, 255, 255, 0.55);
    cursor: default;
}

.principal {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 2rem;
}

section {
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 0, 128, 0.3);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    transition: transform 0.3s ease;
}

section>h2 {
    font-size: 2rem;
    color: #00ff87;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    position: relative;
    padding-bottom: 0.5rem;
}

section>p {
    background: rgba(255, 255, 255, 0.05);
    padding: 1.5rem;
    border-left: 5px solid #ff0080;
    border-radius: 10px;
    margin-bottom: 3rem;
    backdrop-filter: blur(10px);
    font-size: 1.1rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.teclado1 {
    width: 500px;
    background: rgba(255, 255, 255, 0.05);
    border: 5px solid #ff0080;
    border-radius: 10px;
}

.teclado1 div img {
    width: 450px;
    height: 350px;
}

footer {
    background: linear-gradient(90deg, #0f0c29, #302b63);
    padding: 2rem;
    text-align: center;
    border-top: 3px solid #00ff87;
    margin-top: 4rem;
}

footer h3 {
    color: #00ff87;
    font-size: 1.8rem;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

footer p {
    margin: 0.8rem 0;
}

footer a {
    color: #ff0080;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
    padding: 0.3rem 0.8rem;
    border-radius: 5px;
}

footer a:hover {
    color: #00ff87;
    background: rgba(255, 0, 128, 0.2);
}