/* Reset básico */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Roboto Mono', monospace;
}

/* Body */
body {
    background: #0d1117;
    color: #c9d1d9;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

/* Container */
.container {
    max-width: 900px;
    width: 100%;
}

/* Card principal */
.card {
    background: #161b22;
    border-radius: 15px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.6);
    padding: 30px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.7);
}

/* Avatar */
.avatar {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    display: block;
    margin: 0 auto 20px;
    border: 3px solid #58a6ff;
}

/* Links redes */
.links a {
    color: #c9d1d9;
    font-size: 1.5rem;
    margin: 0 10px;
    transition: color 0.3s ease;
}

.links a:hover {
    color: #58a6ff;
}

/* Títulos */
h1 {
    font-size: 2.2rem;
    margin-bottom: 10px;
    color: #58a6ff;
}

h2 {
    font-size: 1.4rem;
    margin-bottom: 20px;
    color: #79c0ff;
}

/* Secciones */
.section {
    background: #0d1117;
    border: 1px solid #30363d;
    border-radius: 12px;
    padding: 20px;
    margin: 20px 0;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
}

.section:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.5);
}

/* Section titles */
.section h3 {
    margin-bottom: 10px;
    color: #58a6ff;
}

/* Section paragraph */
.section p {
    font-size: 1rem;
    line-height: 1.5;
    color: #c9d1d9;
}

/* Responsive */
@media (max-width: 600px) {
    .card {
        padding: 20px;
    }

    h1 {
        font-size: 1.8rem;
    }

    h2 {
        font-size: 1.2rem;
    }

    .section {
        padding: 15px;
    }
}

/* Section buttons */
.section-button {
    -webkit-appearance: none; /* Elimina estilo nativo en Safari/Chrome */
    -moz-appearance: none;    /* Para Firefox */
    appearance: none;          /* Estándar */
    background: #161b22;      /* Fondo oscuro */
    border: 1px solid #30363d;
    border-radius: 12px;
    padding: 20px;
    margin: 20px 0;
    text-align: left;
    color: #c9d1d9;           /* Texto claro */
    cursor: pointer;
    display: block;
    width: 100%;
    transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}

.section-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.5);
    background: #1f2733;      /* Fondo hover oscuro */
}

.section-button h3 {
    margin-bottom: 10px;
    color: #58a6ff;
}

.section-button p {
    font-size: 1rem;
    line-height: 1.5;
    color: #c9d1d9;
}