*, *::before, *::after { box-sizing:border-box; margin:0; padding:0; }
  html { scroll-behavior:smooth; }
  :root {
    --paper:#FBFBF9; --ink:#18181A; --soft:#6a6a68; --line:#e4e3dd; --accent:#A6362F;
    --pill-bg:rgba(255,255,255,.72); --pill-border:rgba(0,0,0,.10); --pill-shadow:0 8px 28px rgba(0,0,0,.10);
    --pill-text:rgba(24,24,26,.5); --pill-text-hover:#18181A; --pill-active-bg:#18181A; --pill-active-text:#FBFBF9;
  }
  body.dark {
    --paper:#121215; --ink:#EAE8E2; --soft:#8a8984; --line:#2a2a2f; --accent:#E0857C;
    --pill-bg:rgba(28,28,32,.84); --pill-border:rgba(255,255,255,.12); --pill-shadow:0 8px 30px rgba(0,0,0,.4);
    --pill-text:rgba(255,255,255,.55); --pill-text-hover:#fff; --pill-active-bg:#fff; --pill-active-text:#111;
  }
  body { background:var(--paper); color:var(--ink); font-family:'Inter',sans-serif; line-height:1.6; -webkit-font-smoothing:antialiased; transition:background .4s,color .4s; }
  a { color:inherit; text-decoration:none; }
  .hl { font-family:'Fraunces',serif; font-style:italic; font-weight:600; color:var(--accent); }

  /* ----- floating pill (theme-blending) ----- */
  .pill { position:fixed; top:18px; left:50%; transform:translateX(-50%); z-index:1000; display:flex; align-items:center; gap:2px; padding:4px; background:var(--pill-bg); backdrop-filter:blur(14px); border:1px solid var(--pill-border); border-radius:999px; font-family:'IBM Plex Mono',monospace; font-size:11px; box-shadow:var(--pill-shadow); transition:background .4s,border-color .4s,box-shadow .4s; }
  .pill button { appearance:none; border:0; background:transparent; color:var(--pill-text); padding:8px 14px; border-radius:999px; cursor:pointer; letter-spacing:.08em; text-transform:uppercase; white-space:nowrap; transition:color .25s,background .25s; }
  .pill button:hover { color:var(--pill-text-hover); }
  .pill button.active { background:var(--pill-active-bg); color:var(--pill-active-text); }
  .pill button:focus-visible { outline:2px solid var(--accent); outline-offset:2px; }

  /* ----- corner theme toggle ----- */
  .theme-corner { position:fixed; top:20px; right:24px; z-index:1000; width:38px; height:38px; border-radius:50%; border:1px solid var(--line); background:var(--paper); color:var(--soft); font-size:15px; line-height:1; cursor:pointer; display:flex; align-items:center; justify-content:center; transition:color .2s,border-color .2s,background .4s; }
  .theme-corner:hover { color:var(--ink); border-color:var(--soft); }

  /* ----- layout ----- */
  .wrap { max-width:1440px; margin:0 auto; padding-inline:48px; }
  .grid { display:grid; grid-template-columns:320px minmax(0,1fr); gap:96px; padding-top:130px; padding-bottom:96px; }
  .rail { position:sticky; top:130px; align-self:start; min-width:0; }
  .content { min-width:0; }

  .avatar { width:144px; height:144px; border-radius:50%; overflow:hidden; background:var(--paper); margin-bottom:28px; position:relative; }
  .avatar-link { display:block; width:144px; cursor:pointer; -webkit-tap-highlight-color:transparent; }
  .avatar-link:focus-visible { outline:2px solid var(--accent); outline-offset:3px; border-radius:50%; }
  /* photo + logo stacked, crossfade on hover (no src-swap, so no flicker/blank) */
  .avatar .photo { position:absolute; inset:0; width:100%; height:100%; object-fit:cover; display:block; z-index:2; transition:opacity .4s ease; }
  .avatar .logo { position:absolute; inset:0; z-index:1; display:flex; align-items:center; justify-content:center; background:var(--paper); opacity:0; transition:opacity .4s ease; }
  .avatar .logo .dv { font-family:'Spectral',serif; font-weight:600; font-size:52px; line-height:1; letter-spacing:-2px; color:var(--ink); text-align:center; }
  .avatar .logo .dv::after { content:''; display:block; width:58%; height:6px; margin:9px auto 0; border-radius:2px; background:var(--accent); }
  .avatar-link:hover .photo { opacity:0; }
  .avatar-link:hover .logo { opacity:1; }
  .avatar.logo-on .photo { opacity:0; }
  .avatar.logo-on .logo { opacity:1; }

  .rail h1 { font-family:'Spectral',serif; font-weight:400; font-size:42px; line-height:1.05; letter-spacing:-.01em; }
  .rail-meta { margin-top:30px; display:grid; gap:13px; font-family:'IBM Plex Mono',monospace; font-size:12px; }
  .rail-meta a { color:var(--ink); border-bottom:1px solid var(--line); padding-bottom:2px; width:fit-content; transition:border-color .2s,color .2s; }
  .rail-meta a:hover { border-color:var(--accent); color:var(--accent); }

  /* ----- "Currently" — simple label + lines ----- */
  .now { margin-top:30px; font-size:13px; color:var(--soft); line-height:1.75; }
  .now b { color:var(--ink); font-weight:600; }

  /* ----- pages ----- */
  .page { display:none; animation:fade .45s cubic-bezier(.2,.7,.2,1) both; }
  .page.active { display:block; }
  @keyframes fade { from { opacity:0; transform:translateY(10px); } to { opacity:1; transform:none; } }

  .intro { font-family:'Spectral',serif; font-weight:300; font-size:22px; line-height:1.55; letter-spacing:-.005em; max-width:62ch; margin-bottom:54px; }

  .sect-label { font-family:'IBM Plex Mono',monospace; font-size:11px; letter-spacing:.22em; text-transform:uppercase; color:var(--soft); padding-bottom:14px; border-bottom:1px solid var(--line); margin-bottom:4px; }
  .sect-label.gap { margin-top:58px; }

  /* entries with hover movement + red name */
  .entry { padding:26px 0; border-bottom:1px solid var(--line); transition:padding-left .25s cubic-bezier(.2,.7,.2,1); }
  .entry:hover { padding-left:12px; }
  .entry:hover .entry-title { color:var(--accent); }
  .entry-head { display:flex; align-items:baseline; justify-content:space-between; gap:24px; }
  .entry-head > * { min-width:0; }
  .entry-title { font-family:'Spectral',serif; font-size:22px; font-weight:400; transition:color .25s; }
  .entry-when { font-family:'IBM Plex Mono',monospace; font-size:12px; color:var(--soft); white-space:nowrap; }
  .entry-tag { font-family:'IBM Plex Mono',monospace; font-size:11px; color:var(--soft); white-space:nowrap; }
  .entry-sub { font-family:'IBM Plex Mono',monospace; font-size:12.5px; color:var(--accent); letter-spacing:.03em; margin-top:5px; overflow-wrap:break-word; }
  .entry ul { list-style:none; margin-top:13px; display:grid; gap:8px; }
  .entry li { position:relative; padding-left:22px; font-size:14px; color:var(--ink); line-height:1.62; overflow-wrap:break-word; }
  .entry li::before { content:'\2013'; position:absolute; left:0; color:var(--accent); }
  .repo { display:inline-block; margin-top:14px; font-family:'IBM Plex Mono',monospace; font-size:12px; color:var(--accent); border-bottom:1px solid transparent; transition:border-color .2s; }
  .repo:hover { border-color:var(--accent); }

  .view-all { display:inline-flex; align-items:center; gap:9px; margin-top:24px; padding:9px 18px; border:1px solid var(--line); border-radius:999px; font-family:'IBM Plex Mono',monospace; font-size:11.5px; letter-spacing:.1em; text-transform:uppercase; color:var(--soft); transition:border-color .25s,color .25s; }
  .view-all .arr { transition:transform .25s; }
  .view-all:hover { border-color:var(--accent); color:var(--accent); }
  .view-all:hover .arr { transform:translateX(4px); }

  /* skills */
  .skill-row { display:grid; grid-template-columns:150px minmax(0,1fr); gap:24px; align-items:baseline; padding:14px 0; border-bottom:1px solid var(--line); }
  .skill-row .k { font-family:'IBM Plex Mono',monospace; font-size:12.5px; letter-spacing:.02em; color:var(--ink); }
  .skill-row .v { font-family:'Inter',sans-serif; font-size:14px; line-height:1.7; color:var(--soft); overflow-wrap:break-word; }

  /* social icons */
  .socials { margin-top:54px; padding-top:26px; border-top:1px solid var(--line); display:flex; gap:22px; align-items:center; }
  .socials a { color:var(--soft); display:inline-flex; transition:color .2s,transform .2s; }
  .socials a:hover { color:var(--accent); transform:translateY(-2px); }
  .socials svg { width:22px; height:22px; }

  /* about / education */
  .about-bio p { font-family:'Spectral',serif; font-weight:300; font-size:20px; line-height:1.6; max-width:66ch; margin-bottom:18px; }
  .edu { padding:22px 0; border-bottom:1px solid var(--line); }
  .edu-head { display:flex; align-items:baseline; justify-content:space-between; gap:24px; }
  .edu-head > * { min-width:0; }
  .edu-school { font-family:'Spectral',serif; font-size:22px; }
  .edu-when { font-family:'IBM Plex Mono',monospace; font-size:12px; color:var(--soft); white-space:nowrap; }
  .edu-degree { font-size:14px; margin-top:6px; }
  .edu-meta { font-family:'IBM Plex Mono',monospace; font-size:12px; color:var(--soft); margin-top:8px; display:flex; gap:18px; flex-wrap:wrap; }
  .edu-meta .gpa { color:var(--accent); }
  .edu .view-all { margin-top:16px; }

  /* courses grouped by semester — term label in its own left column */
  .term { display:grid; grid-template-columns:150px minmax(0,1fr); gap:40px; align-items:start; margin-top:50px; }
  .term:first-child { margin-top:0; }
  .thead { font-family:'IBM Plex Mono',monospace; font-size:12px; letter-spacing:.12em; text-transform:uppercase; color:var(--ink); }
  .tnote { font-family:'IBM Plex Mono',monospace; font-size:11px; letter-spacing:.04em; color:var(--soft); margin-top:5px; }
  .term-rows { min-width:0; }
  .course-row { display:grid; grid-template-columns:108px minmax(0,1fr) auto; gap:20px; align-items:baseline; padding:13px 0; border-bottom:1px solid var(--line); }
  .course-row:last-child { border-bottom:none; }
  .course-row .code { font-family:'IBM Plex Mono',monospace; font-size:12px; color:var(--soft); }
  .course-row .ctitle { font-size:14px; overflow-wrap:break-word; }
  .course-row .grade { font-family:'IBM Plex Mono',monospace; font-size:12.5px; color:var(--accent); white-space:nowrap; }
  .course-row .grade.muted { color:var(--soft); }

  @media (max-width:880px) {
    .pill { font-size:10px; } .pill button { padding:7px 9px; }
    .theme-corner { top:14px; right:16px; width:34px; height:34px; }
    .grid { grid-template-columns:1fr; gap:40px; padding-top:104px; }
    .rail { position:static; }
    .entry-head, .edu-head { flex-direction:column; gap:4px; }
    .skill-row, .course-row { grid-template-columns:1fr; gap:6px; }
    .term { grid-template-columns:1fr; gap:12px; }
  }
  @media (prefers-reduced-motion:reduce) { *, .page { animation:none !important; transition:none !important; scroll-behavior:auto; } }