@import url("https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,400;0,9..40,600;0,9..40,700&display=swap");
  :root{
    --bg:#ffffff; --bg-end:#f8fafc; --text:#111827; --muted:#6b7280; --line:#e5e7eb;
    --card:#f9fafb; --surface:#ffffff; --link:#2563eb; --max: 960px;
  }
  [data-theme="dark"]{
    --bg:#0f172a; --bg-end:#0c1222; --text:#f1f5f9; --muted:#94a3b8; --line:#334155;
    --card:#1e293b; --surface:#1e293b; --link:#60a5fa;
  }
  @media (prefers-color-scheme: dark){
    :root:not([data-theme="light"]){
      --bg:#0f172a; --bg-end:#0c1222; --text:#f1f5f9; --muted:#94a3b8; --line:#334155;
      --card:#1e293b; --surface:#1e293b; --link:#60a5fa;
    }
  }
  *{box-sizing:border-box}
  .skip-link{
    position:absolute; left:-9999px; z-index:9999;
    padding:10px 16px; background:var(--link); color:#fff; font-weight:600;
    border-radius:8px; text-decoration:none;
  }
  .skip-link:focus,.skip-link:focus-visible{ left:20px; top:20px; outline:2px solid #fff; outline-offset:2px; }
  body{
    margin:0; min-height:100vh;
    background:linear-gradient(180deg, var(--bg) 0%, var(--bg-end) 100%);
    color:var(--text);
    font-family:"DM Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
    line-height:1.55;
  }
  .container{max-width:var(--max); margin:56px auto; padding:0 20px;}
  .nav{
    display:flex; gap:14px; align-items:center; justify-content:space-between;
    padding:14px 0; border-bottom:1px solid var(--line);
  }
  .brand{display:flex; gap:10px; align-items:center;}
  .brand strong{font-size:16px;}
  .nav a{color:var(--muted); text-decoration:none; font-weight:600; transition:color 0.2s ease;}
  .nav a.active { color: var(--text); text-decoration: underline; text-underline-offset: 4px; }
  .nav a:hover{color:var(--text);}
  .theme-toggle{
    background:var(--surface); border:1px solid var(--line); border-radius:8px;
    padding:6px 10px; cursor:pointer; font-size:1.1em; line-height:1;
    color:var(--muted);
  }
  .theme-toggle:hover{color:var(--text);}
  .theme-toggle{transition:color 0.2s ease, background 0.2s ease, border-color 0.2s ease;}
  h1{font-size:40px; margin:26px 0 8px; letter-spacing:-0.02em;}
  h2{margin:2rem 0 0.625rem; font-size:22px;}
  .lead{color:var(--muted); font-size:18px; margin:0 0 14px; max-width: 72ch; line-height:1.6;}
  .grid{display:grid; grid-template-columns:1fr; gap:14px; margin:1.25rem 0;}
  @media(min-width:860px){ .grid{grid-template-columns:1fr 1fr;} }
  .card{
    background:var(--card); border:1px solid var(--line); border-radius:16px;
    padding:20px;
    transition:transform 0.2s ease, box-shadow 0.2s ease;
  }
  .card:hover{
    transform:translateY(-2px);
    box-shadow:0 8px 24px rgba(0,0,0,0.08);
  }
  [data-theme="dark"] .card:hover{ box-shadow:0 8px 24px rgba(0,0,0,0.25); }
  @media (prefers-color-scheme: dark){
    :root:not([data-theme="light"]) .card:hover{ box-shadow:0 8px 24px rgba(0,0,0,0.25); }
  }
  .card h3{margin:0 0 6px; font-size:18px;}
  .card p{margin:0; color:var(--muted);}
  a{color:var(--link); transition:color 0.2s ease;}
  a:focus{outline:none;}
  a:focus-visible{outline:2px solid var(--link); outline-offset:2px; border-radius:2px;}
  .theme-toggle:focus{outline:none;}
  .theme-toggle:focus-visible{outline:2px solid var(--link); outline-offset:2px;}
  .badges{display:flex; gap:10px; flex-wrap:wrap; margin:12px 0 0;}
  .badge{
    display:inline-block; padding:5px 10px; border:1px solid var(--line);
    border-radius:999px; background:var(--surface); color:var(--muted); font-size:13px;
  }
  .metrics{
    display:grid; gap:10px; margin:16px 0 0;
    grid-template-columns:1fr;
  }
  @media(min-width:860px){ .metrics{grid-template-columns:1fr 1fr 1fr;} }
  .metric{
    border:1px solid var(--line); border-radius:16px; padding:14px; background:var(--surface);
  }
  .metric .kpi{font-size:20px; font-weight:800; letter-spacing:-0.02em;}
  .metric .lbl{color:var(--muted); font-size:13px; margin-top:4px;}
  .list{margin:8px 0 0; padding-left:18px;}
  .footer{
    margin-top:2.5rem; padding-top:1.25rem; border-top:1px solid var(--line);
    color:var(--muted); font-size:14px;
    display:flex; justify-content:space-between; gap:12px; flex-wrap:wrap;
  }
  .small{color:var(--muted); font-size:13px;}
  .nav a.active {
    color: var(--text);
    text-decoration: underline;
    text-underline-offset: 4px;
  }
  
  /* Tech stack badges */
  .tech-badges { display:flex; gap:8px; flex-wrap:wrap; margin:12px 0 0; }
  .tech-badge {
    display:inline-block; padding:4px 10px;
    border:1px solid var(--line); border-radius:999px;
    background:var(--surface); color:var(--muted);
    font-size:12px; font-weight:600; letter-spacing:0.01em;
  }

  /* Status badge */
  .status-badge {
    display:inline-block; padding:3px 10px;
    border-radius:999px; font-size:12px; font-weight:700; letter-spacing:0.02em;
  }
  .status-active { background:rgba(34,197,94,0.12); color:#16a34a; border:1px solid rgba(34,197,94,0.25); }
  .status-paused { background:rgba(234,179,8,0.12); color:#ca8a04; border:1px solid rgba(234,179,8,0.25); }
  .status-mvp    { background:rgba(99,102,241,0.12); color:#4f46e5; border:1px solid rgba(99,102,241,0.25); }
  [data-theme="dark"] .status-active { color:#4ade80; }
  [data-theme="dark"] .status-paused { color:#facc15; }
  [data-theme="dark"] .status-mvp    { color:#818cf8; }
  @media (prefers-color-scheme: dark){
    :root:not([data-theme="light"]) .status-active { color:#4ade80; }
    :root:not([data-theme="light"]) .status-paused { color:#facc15; }
    :root:not([data-theme="light"]) .status-mvp    { color:#818cf8; }
  }

  /* Progress checklist */
  .progress-list { list-style:none; padding:0; margin:12px 0 0; display:flex; flex-direction:column; gap:5px; }
  .progress-list li { display:flex; align-items:flex-start; gap:8px; font-size:14px; color:var(--muted); }
  .progress-list li.done { color:var(--text); }
  .progress-list li::before { content:"○"; flex-shrink:0; font-size:13px; margin-top:1px; }
  .progress-list li.done::before { content:"●"; color:var(--link); }

  /* Metric highlight (large KPI) */
  .metric-highlight {
    display:grid; gap:10px; margin:16px 0 0;
    grid-template-columns:repeat(auto-fit, minmax(120px, 1fr));
  }
  .metric-hl {
    border:1px solid var(--line); border-radius:12px;
    padding:14px 16px; background:var(--surface); text-align:center;
  }
  .metric-hl .hl-val { font-size:28px; font-weight:800; letter-spacing:-0.03em; color:var(--text); line-height:1; }
  .metric-hl .hl-lbl { color:var(--muted); font-size:12px; margin-top:5px; }

  /* Avatar */
  .avatar {
    width:120px; height:120px; border-radius:50%; object-fit:cover;
    border:2px solid var(--line);
    display:block;
  }
  .avatar-sm {
    width:40px; height:40px; border-radius:50%; object-fit:cover;
    border:1.5px solid var(--line);
  }

  /* Breadcrumb */
  .breadcrumb {
    display:flex; gap:8px; align-items:center;
    font-size:13px; color:var(--muted); margin-bottom:20px; flex-wrap:wrap;
  }
  .breadcrumb a { color:var(--muted); text-decoration:none; }
  .breadcrumb a:hover { color:var(--text); }
  .breadcrumb span { color:var(--line); }

  /* Project card header with status */
  .project-header { display:flex; align-items:baseline; gap:10px; flex-wrap:wrap; margin:0 0 8px; }
  .project-header h3 { margin:0; font-size:18px; }

  /* Divider section inside card */
  .card-section { margin-top:14px; padding-top:14px; border-top:1px solid var(--line); }
  .card-section-label { font-size:11px; font-weight:700; text-transform:uppercase; letter-spacing:0.08em; color:var(--muted); margin:0 0 8px; }

  /* Mejor lectura en mobile */
  @media (max-width: 520px) {
    .container { padding-left: 22px; padding-right: 22px; }
    h1 { font-size: 32px; }
    h2 { font-size: 20px; margin-top: 1.75rem; }
    .lead { font-size: 16px; }
    .metric-hl .hl-val { font-size:22px; }
    .avatar { width:90px; height:90px; }
  }