:root {
      --accent: #2563eb;
      --text: #1f2937;
      --muted: #6b7280;
      --bg: #f9fafb;
      --card: #ffffff;
    }
    * { box-sizing: border-box; }
    body {
      margin: 0;
      font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
      color: var(--text);
      background: var(--bg);
      line-height: 1.6;
    }
    .container {
      max-width: 900px;
      margin: auto;
      padding: 2rem 1.25rem;
    }
    header {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: 1rem;
      margin-bottom: 1.5rem;
    }
    h1 {
      margin: 0;
      font-size: 2rem;
    }
    .subtitle {
      color: var(--muted);
      font-weight: 500;
    }
    .contact a {
      color: var(--accent);
      text-decoration: none;
      margin-right: 0.75rem;
    }
    section {
      background: var(--card);
      border-radius: 12px;
      padding: 1.25rem 1.5rem;
      margin-bottom: 1rem;
      box-shadow: 0 4px 10px rgba(0,0,0,0.04);
    }
    h2 {
      margin-top: 0;
      font-size: 1.25rem;
      border-bottom: 2px solid var(--accent);
      display: inline-block;
      padding-bottom: 0.2rem;
    }
    .item {
      margin-bottom: 1rem;
    }
    .item:last-child {
      margin-bottom: 0;
    }
    .item-header {
      display: flex;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 0.25rem;
    }
    .role {
      font-weight: 600;
    }
    .meta {
      color: var(--muted);
      font-size: 0.9rem;
    }
    ul {
      margin: 0.4rem 0 0.6rem 1.2rem;
    }
    .skills {
      display: flex;
      flex-wrap: wrap;
      gap: 0.4rem;
      margin-top: 0.5rem;
    }
    .skill {
      background: #eef2ff;
      color: #3730a3;
      padding: 0.25rem 0.55rem;
      border-radius: 6px;
      font-size: 0.85rem;
    }
    footer {
      text-align: center;
      color: var(--muted);
      font-size: 0.85rem;
      margin-top: 1.5rem;
    }
    @media (max-width: 600px) {
      h1 { font-size: 1.6rem; }
    }