:root {
    /* PALETA NEON PURPLE & CIAN */
    --primary-bg: #0B0F19;
    --glass-bg: rgba(17, 24, 39, 0.6);
    --glass-border: rgba(255, 255, 255, 0.1);
    
    --primary-text: #EAEAEA;
    --secondary-text: #8892B0;
    
    /* ACENTO NEON */
    --accent-color: #A020F0; /* Púrpura Eléctrico (Principal) */
    --accent-hover-color: #00BFFF; /* Cian Eléctrico (Contorno/Hover) */
    --accent-hover-glow: rgba(0, 191, 255, 0.2); /* Resplandor Cian */

    --font-family: 'Poppins', sans-serif;
    --border-radius: 16px;
    --transition-speed: 0.3s;
}

*, *::before, *::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 2rem;
    font-family: var(--font-family);
    background-color: var(--primary-bg);
    color: var(--primary-text);
    min-height: 100vh;
    overflow-y: auto;
}

/* --- Fondo de Estrellas Estático --- */
.starfield {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: -1;
}
.stars1, .stars2, .stars3 {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background-repeat: repeat;
    background-size: cover;
}
.stars1 { background-image: url('https://www.transparenttextures.com/patterns/stardust.png'); }
.stars2 { background-image: url('https://www.transparenttextures.com/patterns/stardust.png'); transform: scale(0.7); }
.stars3 { background-image: url('https://www.transparenttextures.com/patterns/stardust.png'); transform: scale(0.5); }

/* --- Barra de Navegación Superior --- */
.top-nav {
    position: fixed;
    top: 1.5rem;
    left: 1.5rem;
    z-index: 100;
}
.back-button {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.25rem;
    text-decoration: none;
    font-weight: 500;
    color: var(--primary-text);
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    transition: all var(--transition-speed) ease;
}
.back-button:hover {
    border-color: var(--accent-hover-color);
    color: var(--accent-hover-color);
    transform: translateY(-3px);
}

/* --- Contenedor Principal --- */
.container {
    width: 100%;
    max-width: 800px;
    margin: 4rem auto 0;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

/* --- Panel de Cristal Genérico con Efecto Starlight --- */
.card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    width: 100%;
    position: relative;
    overflow: hidden;
    padding: 2rem;
}
.card::before {
    content: '';
    position: absolute;
    top: var(--mouse-y, 0);
    left: var(--mouse-x, 0);
    width: 500px;
    height: 500px;
    background: radial-gradient(circle closest-side, var(--accent-hover-glow), transparent);
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: opacity var(--transition-speed) ease;
}
.card:hover::before { opacity: 1; }

/* --- Cabecera de Página --- */
.page-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.5rem;
}
.profile-img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    border: 2px solid var(--glass-border);
    margin-bottom: 1rem;
}
.page-header h1 {
    margin: 0;
    font-size: 2.5rem;
    font-weight: 700;
}
.page-header .subtitle {
    margin: 0;
    font-size: 1.1rem;
    color: var(--secondary-text);
    font-weight: 500;
}

/* --- Secciones de Contenido --- */
.content-section h2 {
    margin-top: 0;
    margin-bottom: 1.5rem;
    text-align: center;
    font-size: 1.75rem;
    color: var(--accent-color);
}
.content-section p {
    color: var(--secondary-text);
    line-height: 1.7;
    text-align: center;
}

/* --- Rejillas (Habilidades, Servicios, Experiencia) --- */
.skills-grid, .services-grid, .experience-grid {
    display: grid;
    gap: 1.5rem;
}
.skills-grid {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
}
.services-grid {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}
.experience-grid {
    grid-template-columns: 1fr;
}

/* --- Estilos de Items Individuales --- */
.skill-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: rgba(0,0,0,0.2);
    border-radius: 12px;
    text-align: center;
    font-weight: 500;
}
.skill-item i {
    font-size: 1.75rem;
    color: var(--accent-color);
}

.service-card {
    text-align: center;
}
.service-card i {
    font-size: 2rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
}
.service-card h5 {
    margin: 0 0 0.5rem 0;
    font-size: 1.1rem;
    font-weight: 600;
}
.service-card p {
    font-size: 0.9rem;
    color: var(--secondary-text);
    line-height: 1.6;
}

.experience-card {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem;
    background: rgba(0,0,0,0.2);
    border-radius: 12px;
}
.experience-logo {
    width: 60px;
    height: 60px;
    border-radius: 8px;
    object-fit: cover;
    flex-shrink: 0;
}
.experience-details h3 {
    margin: 0 0 0.25rem 0;
    font-size: 1.2rem;
}
.experience-details .position {
    margin: 0 0 0.5rem 0;
    font-weight: 500;
    color: var(--accent-color);
}
.experience-details .description {
    margin: 0;
    font-size: 0.9rem;
    color: var(--secondary-text);
    text-align: left;
}

/* --- Footer --- */
.main-footer {
    text-align: center;
    color: var(--secondary-text);
    font-size: 0.9rem;
    padding: 1rem 0;
}

/* --- Responsive --- */
@media (max-width: 640px) {
    body { padding: 1rem; }
    .container { margin-top: 5rem; }
    .top-nav { top: 1rem; left: 1rem; }
    .experience-card { flex-direction: column; text-align: center; }
    .experience-details .description { text-align: center; }
}