/* 1. RESET Y VARIABLES */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-main: #020408;      /* Negro azulado extremo */
    --card-bg: rgba(13, 17, 23, 0.85); /* Contenedor oscuro translúcido */
    --accent: #58a6ff;
    --white: #ffffff;
    --silver: #c9d1d9;
    --border: rgba(48, 54, 61, 0.6);
    --success: #238636;
    --danger: #ae332a;
}

body {
    font-family: 'Inter', -apple-system, sans-serif;
    color: var(--silver);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 60px 20px;
    
    /* FONDO OSCURECIDO */
    background-color: var(--bg-main);
    background-image: 
        /* Capa negra muy opaca (85%) para apagar la imagen de fondo y que solo brillen puntos finos */
        linear-gradient(rgba(2, 4, 8, 0.85), rgba(2, 4, 8, 0.95)), 
        url('https://images.unsplash.com/photo-1464802686167-b939a6910659?q=80&w=2000&auto=format&fit=crop'); 
    background-attachment: fixed;
    background-size: cover;
    background-position: center;
}

/* 2. CONTENEDOR PRINCIPAL (EFECTO CRISTAL OSCURO) */
.cv-container {
    width: 100%;
    max-width: 900px;
    background-color: var(--card-bg);
    padding: 60px;
    border-radius: 16px;
    border: 1px solid var(--border);
    backdrop-filter: blur(12px); /* Desenfoca la galaxia suavemente */
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.8);
}

/* 3. CABECERA */
header {
    text-align: center;
    margin-bottom: 50px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 30px;
}

h1 {
    color: var(--white);
    font-size: 2.8rem;
    margin: 0;
    letter-spacing: -1px;
    text-shadow: 0 4px 15px rgba(0,0,0,0.9);
}

header p {
    color: #8b949e; /* Gris más apagado para que no brille tanto */
    font-weight: 400;
    font-size: 0.9rem;
    font-style: italic;
    margin-top: 10px;
}

/* 4. SECCIONES Y H2 CON LÍNEAS LATERALES */
section {
    margin-bottom: 50px;
}

h2 {
    color: var(--white);
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 30px;
    display: flex;
    align-items: center;
}

h2::before,
h2::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--border);
}

h2::before { margin-right: 25px; }
h2::after { margin-left: 25px; }

/* 5. CONTACTO (2-2-1) */
.contact-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin: 0 auto;
    max-width: 620px;
}

.btn, .info-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.btn span, .info-item span { color: var(--white) !important; font-size: 0.85rem; }
.btn svg, .info-item svg { width: 18px; height: 18px; fill: var(--white); }

.info-item { background-color: rgba(22, 27, 34, 0.6); }
.btn-phone { background-color: #1b632d; } /* Verde más oscuro */
.btn-email { background-color: #7a251e; } /* Rojo más oscuro */
.btn-github { background-color: #010409; }
.btn-linkedin { background-color: #004182; grid-column: span 2; }

.btn:hover {
    transform: translateY(-4px);
    filter: brightness(1.3);
    box-shadow: 0 10px 25px rgba(0,0,0,0.6);
    border-color: var(--accent);
}

/* 6. HABILIDADES (Chips Centrados) */
ul {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    list-style: none;
}

li {
    background: rgba(48, 54, 61, 0.3);
    color: #f0f6fc;
    padding: 8px 18px;
    border-radius: 20px; /* Más redondeado para un look moderno */
    border: 1px solid var(--border);
    font-size: 0.8rem;
    transition: 0.3s;
}

li:hover {
    background: var(--accent);
    color: var(--bg-main);
}

/* 7. IDIOMAS */
.language-item {
    margin-bottom: 25px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.lang-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    color: var(--white);
    font-size: 0.85rem;
}

.progress-bar {
    width: 100%;
    height: 6px;
    background-color: rgba(48, 54, 61, 0.5);
    border-radius: 10px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--accent);
    box-shadow: 0 0 10px var(--accent); /* Brillo sutil en la barra */
}

/* 8. FOOTER */
.site-footer {
    padding: 50px 0;
    text-align: center;
    color: #484f58;
    font-size: 0.7rem;
    letter-spacing: 2px;
}

/* 9. RESPONSIVE */
@media (max-width: 600px) {
    .cv-container { padding: 30px 20px; }
    h1 { font-size: 2rem; }
    .contact-buttons { grid-template-columns: 1fr; }
    .btn-linkedin { grid-column: span 1; }
}