*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

  :root {
    --bg: #0d1117;
    --surface: #161b22;
    --surface2: #1c2330;
    --accent: #00e5a0;
    --accent2: #00bfff;
    --text: #e6edf3;
    --muted: #8b949e;
    --border: #30363d;
    --sidebar-width: 260px;
  }

  body {
    background: var(--bg);
    color: var(--text);
    font-family: 'IBM Plex Sans', sans-serif;
    font-weight: 300;
    line-height: 1.6;
    min-height: 100vh;
  }

  a { color: var(--accent); text-decoration: none; }
  a:hover { text-decoration: underline; }

  .container {
    max-width: 1060px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
  }

  .profile {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem 2.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    overflow: hidden;
  }

  .profile::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--accent2));
  }

  .profile_container {
    display: flex;
    align-items: flex-start;
    gap: 2rem;
  }

  .profile_avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    flex-shrink: 0;
    object-fit: cover;
    object-position: center 15%;
    border: 2px solid var(--accent);
  }

  .profile_name {
    font-size: 2rem;
    font-weight: 600;
    line-height: 1.1;
    margin-bottom: 0.3rem;
  }

  .profile_title {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.8rem;
    color: var(--accent2);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 0.8rem;
  }

  .profile_description {
    color: var(--muted);
    font-size: 0.9rem;
    max-width: 640px;
    margin-bottom: 1.2rem;
    line-height: 1.7;
  }

  .body-grid {
    display: grid;
    grid-template-columns: var(--sidebar-width) 1fr;
    gap: 1.5rem;
  }

  .sidebar { display: flex; flex-direction: column; gap: 1.5rem; }

  .main-col { display: flex; flex-direction: column; gap: 1.5rem; }

  .card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1.4rem 1.6rem;
  }

  .title {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--accent);
    margin-bottom: 1rem;
    padding-bottom: 0.6rem;
    border-bottom: 1px solid var(--border);
  }

  .skills_list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
  }

  .skills_list li {
    font-size: 0.82rem;
    color: var(--muted);
    display: flex;
    align-items: center;
    gap: 6px;
  }

  .skills_list li::before {
    content: '▸';
    color: var(--accent);
    font-size: 0.7rem;
  }

  .skill-group-label {
    font-size: 0.72rem;
    color: var(--accent2);
    font-family: 'IBM Plex Mono', monospace;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin: 0.8rem 0 0.4rem;
  }

  .skill-group-label:first-child { margin-top: 0; }

  .item { margin-bottom: 1.2rem; }
  .item:last-child { margin-bottom: 0; }

  .item_preTitle {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.72rem;
    color: var(--accent2);
    margin-bottom: 0.2rem;
  }

  .item_title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 0.1rem;
  }

  .item_subtitle {
    font-size: 0.82rem;
    color: var(--accent);
    margin-bottom: 0.3rem;
  }

  .description {
    font-size: 0.83rem;
    color: var(--muted);
    line-height: 1.65;
  }

  .exp_bullets {
    list-style: none;
    margin-top: 0.4rem;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
  }

  .exp_bullets li {
    font-size: 0.82rem;
    color: var(--muted);
    display: flex;
    gap: 8px;
  }

  .exp_bullets li::before {
    content: '–';
    color: var(--accent);
    flex-shrink: 0;
  }

  .cert_badge {
    display: inline-block;
    background: var(--surface2);
    border: 1px solid var(--accent);
    border-radius: 4px;
    padding: 0.2rem 0.6rem;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.75rem;
    color: var(--accent);
    margin-top: 0.3rem;
  }

  .tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 0.5rem;
  }

  .tag {
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 0.15rem 0.5rem;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.7rem;
    color: var(--muted);
  }

  .contact_item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
    color: var(--muted);
    margin-bottom: 0.6rem;
  }

  .contact_item:last-child { margin-bottom: 0; }

  .contact_item i { color: var(--accent); width: 16px; }

  .footer-strip {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1.2rem 1.6rem;
    margin-top: 1.5rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }

  .social_items { display: flex; flex-direction: column; gap: 0.5rem; margin-top: 0.5rem; }

  .social_item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
    color: var(--muted);
    transition: color 0.2s;
  }

  .social_item:hover { color: var(--accent); text-decoration: none; }
  .social_item i { color: var(--accent2); width: 16px; }

  .gpa_badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 0.2rem 0.6rem;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.75rem;
    color: var(--accent);
    margin-top: 0.4rem;
  }

  hr { border: none; border-top: 1px solid var(--border); margin: 0.2rem 0; }

  @media (max-width: 700px) {
    .body-grid { grid-template-columns: 1fr; }
    .profile_container { flex-direction: column; gap: 1rem; }
    .footer-strip { grid-template-columns: 1fr; gap: 1rem; }
  }