:root {
    --bg: #ffffff;
    --text: #1d1d1f;
    --text-dim: #6e6e73;
    --primary: #0066cc;
    --border: #e5e5e7;
    --card-bg: #f5f5f7;
}

body {
    background-color: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.5;
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
}

header {
    padding: 3rem 1rem;
    text-align: center;
    border-bottom: 1px solid var(--border);
}

nav {
    margin-top: 1.5rem;
}

nav a {
    color: var(--text);
    margin: 0 20px;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s ease;
}

nav a:hover {
    color: var(--primary);
}

.container {
    max-width: 900px;
    margin: auto;
    padding: 4rem 2rem;
}

.card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 2rem;
    transition: transform 0.2s ease;
}

.card:hover {
    transform: translateY(-4px);
}

h1 { font-weight: 700; font-size: 2.5rem; letter-spacing: -0.02em; }
h2 { font-weight: 600; color: var(--text); margin-bottom: 2rem; }

/* Estilos específicos para el CV */
.cv-section {
    margin-bottom: 3rem;
}

.cv-item {
    display: grid;
    grid-template-columns: 180px 1fr;
    margin-bottom: 1.5rem;
    gap: 1rem;
}

.cv-date {
    color: var(--text-dim);
    font-variant-numeric: tabular-nums;
    font-weight: 500;
}

.cv-content h3 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
}

.cv-content span {
    display: block;
    color: var(--text-dim);
    font-size: 0.9rem;
}

.badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    background: var(--card-bg);
    border-radius: 4px;
    font-size: 0.8rem;
    margin-right: 0.5rem;
    margin-top: 0.5rem;
}

@media (max-width: 600px) {
    .cv-item { grid-template-columns: 1fr; gap: 0.2rem; }
}