:root {
    /* blue scale around #13B0E5 */
    --b-50:  #E8F7FD;
    --b-100: #CCEEF9;
    --b-200: #99DCF3;
    --b-300: #5FC8ED;
    --b-400: #13B0E5; /* brand */
    --b-500: #0E94C2;
    --b-600: #0B789C;
    --b-700: #095E7A;
    --b-800: #074458;
    --b-900: #052F3D;

    --bg:    #F4F8FB;
    --bg-2:  #E8EFF5;
    --paper: #FFFFFF;
    --ink:   #0A1620;
    --ink-2: #2B3A47;
    --ink-3: #6A7886;
    --ink-4: #A2ACB6;
    --rule:  #D5DDE5;
    --rule-2:#B9C3CE;

    --sans: "Inter", -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
    --mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;
  }
  * { box-sizing: border-box; }
  html, body {
    margin: 0; padding: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: var(--sans);
    -webkit-font-smoothing: antialiased;
    font-size: 16px; line-height: 1.55;
  }
  a { color: inherit; text-decoration: none; }
  a:focus-visible { outline: 2px solid var(--b-400); outline-offset: 3px; border-radius: 2px; }

  /* ——— 3D button system ——— */
  .btn-3d {
    --bg3d: var(--b-400);
    --fg3d: #fff;
    background: var(--bg3d);
    color: var(--fg3d);
    border: 2px solid var(--ink);
    border-radius: 4px;
    padding: 11px 18px;
    font-family: var(--sans);
    font-size: 14px; font-weight: 600;
    letter-spacing: -0.005em;
    cursor: pointer;
    display: inline-flex; align-items: center; gap: 8px;
    box-shadow: 4px 4px 0 var(--ink);
    transition: transform .1s ease, box-shadow .1s ease;
    text-decoration: none;
    white-space: nowrap;
  }
  .btn-3d:hover {
    transform: translate(-1px, -1px);
    box-shadow: 5px 5px 0 var(--ink);
  }
  .btn-3d:active {
    transform: translate(4px, 4px);
    box-shadow: 0 0 0 var(--ink);
  }
  .btn-3d.ghost { --bg3d: var(--paper); --fg3d: var(--ink); }
  .btn-3d.dark  { --bg3d: var(--ink); --fg3d: var(--bg); }
  .btn-3d .arr { display: inline-block; transform: translateY(-1px); }

  /* ——— Header / page switcher ——— */
  header.top {
    position: sticky; top: 0; z-index: 60;
    background: var(--bg);
    border-bottom: 2px solid var(--ink);
  }
  header.top .inner {
    max-width: 1180px; margin: 0 auto;
    padding: 12px 28px;
    display: flex; align-items: center; justify-content: space-between;
    gap: 24px;
  }
  .brand {
    display: flex; align-items: center; gap: 10px;
    font-weight: 700; font-size: 15px; letter-spacing: -0.01em;
  }
  .brand .glyph {
    width: 30px; height: 30px;
    background: var(--b-400);
    border: 2px solid var(--ink);
    border-radius: 4px;
    box-shadow: 2px 2px 0 var(--ink);
    display: inline-flex; align-items: center; justify-content: center;
    color: #fff; font-weight: 800; font-size: 13px;
  }
  nav.tabs { display: flex; gap: 4px; }
  nav.tabs button {
    background: transparent;
    border: 2px solid transparent;
    padding: 7px 14px;
    font-family: var(--sans);
    font-size: 14px; font-weight: 500;
    color: var(--ink-2);
    cursor: pointer;
    border-radius: 4px;
    transition: background .15s, color .15s, border-color .15s;
  }
  nav.tabs button:hover { background: var(--bg-2); color: var(--ink); }
  nav.tabs button[aria-current="true"] {
    background: var(--ink); color: var(--bg);
    border-color: var(--ink);
  }
  .header-cta { display: flex; gap: 10px; align-items: center; }

  /* ——— Page shell ——— */
  main { max-width: 1180px; margin: 0 auto; padding: 0 28px; }
  .page { display: none; }
  .page.active { display: block; animation: fade .2s ease; }
  @keyframes fade { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

  /* ——— Section heads (shape glyph + title) ——— */
  .sec-head {
    padding: 72px 0 24px;
    border-top: 1px solid var(--rule);
    display: grid;
    grid-template-columns: 56px 1fr auto;
    gap: 20px;
    align-items: start;
  }
  .sec-head:first-of-type { border-top: none; padding-top: 32px; }
  .sec-head .shape {
    width: 40px; height: 40px;
    background: var(--paper);
    border: 2px solid var(--ink);
    border-radius: 4px;
    box-shadow: 3px 3px 0 var(--ink);
    display: inline-flex; align-items: center; justify-content: center;
  }
  .sec-head .shape svg { width: 22px; height: 22px; }
  .sec-head h2 {
    font-size: 28px; font-weight: 700; letter-spacing: -0.02em;
    line-height: 1.2; margin: 4px 0 4px;
  }
  .sec-head h2 .count { font-family: var(--mono); font-weight: 400; font-size: 14px; color: var(--ink-3); margin-left: 8px; }
  .sec-head p {
    color: var(--ink-2); font-size: 15px; margin: 0;
    max-width: 600px;
  }
  .sec-head .right { padding-top: 12px; }

  /* ——— Page intro variants ——— */
  .page-intro {
    padding: 56px 0;
    display: grid; grid-template-columns: 1fr auto; gap: 32px;
    align-items: end;
    position: relative;
  }
  .page-intro h1 {
    font-size: 56px; font-weight: 700;
    letter-spacing: -0.025em; line-height: 1.02;
    margin: 0 0 16px;
    max-width: 720px;
  }
  .page-intro h1 .blue { color: var(--b-400); }
  .page-intro p.lede {
    font-size: 18px; color: var(--ink-2); margin: 0;
    max-width: 580px; line-height: 1.55;
  }
  .page-intro .shapes-deco {
    display: flex; gap: 12px; align-items: flex-end;
  }
  .shape-tile {
    width: 48px; height: 48px;
    border: 2px solid var(--ink);
    border-radius: 4px;
    box-shadow: 3px 3px 0 var(--ink);
    display: inline-flex; align-items: center; justify-content: center;
    background: var(--paper);
  }
  .shape-tile.blue { background: var(--b-400); }
  .shape-tile.dark { background: var(--ink); }
  .shape-tile.lite { background: var(--b-100); }
  .shape-tile.cream { background: #FFF5C7; }

  /* ——— Home: intro grid ——— */
  .home-intro {
    padding: 48px 0 56px;
    display: grid; grid-template-columns: 280px 1fr; gap: 48px;
    align-items: start;
  }
  .portrait-frame {
    position: relative;
    aspect-ratio: 4/5;
  }
  .portrait-frame .bg-stack {
    position: absolute; inset: 0;
    background: var(--b-400);
    border: 2px solid var(--ink);
    border-radius: 4px;
    transform: translate(8px, 8px);
  }
  .portrait-frame .bg-stack-2 {
    position: absolute; inset: 0;
    background: var(--b-100);
    border: 2px solid var(--ink);
    border-radius: 4px;
    transform: translate(16px, 16px);
  }
  .portrait-frame .portrait {
    position: relative;
    aspect-ratio: 4/5;
    background:
      repeating-linear-gradient(45deg, var(--bg) 0 12px, var(--bg-2) 12px 13px);
    border: 2px solid var(--ink);
    border-radius: 4px;
    overflow: hidden;
    display: flex; align-items: center; justify-content: center;
    flex-direction: column;
    color: var(--ink-3); font-family: var(--mono); font-size: 11px;
    gap: 8px;
    z-index: 1;
  }
  .home-intro h1 {
    font-size: 46px; font-weight: 700;
    letter-spacing: -0.03em; line-height: 1.1;
    margin: 0;
    max-width: 640px;
    text-wrap: balance;
  }
  .home-intro h1 .blue { color: var(--b-400); }
  .verb-cycle { display: inline-block; }
  .home-intro p.bio {
    font-size: 17px; color: var(--ink-2); line-height: 1.6;
    margin: 0 0 24px; max-width: 600px;
  }
  .home-intro .bio a {
    color: var(--ink);
    border-bottom: 2px solid var(--b-400);
    padding-bottom: 1px;
  }
  .home-intro .bio a:hover { color: var(--b-400); }

  .meta-row {
    display: grid; grid-template-columns: 90px 1fr; gap: 14px 20px;
    font-family: var(--mono); font-size: 13px;
    border-top: 2px solid var(--ink); border-bottom: 2px solid var(--ink);
    padding: 22px 0;
    margin-top: 28px;
    max-width: 580px;
  }
  .meta-row dt { color: var(--ink-3); text-transform: uppercase; font-size: 11px; letter-spacing: 0.06em; padding-top: 1px; }
  .meta-row dd { margin: 0; color: var(--ink); }
  .meta-row dd .live-dot {
    display: inline-block; width: 8px; height: 8px; border-radius: 50%;
    background: #10A37F; box-shadow: 0 0 0 3px #10A37F33;
    margin-right: 6px; transform: translateY(-1px);
  }

  .actions { display: flex; gap: 14px; margin-top: 32px; flex-wrap: wrap; }

  /* ——— Now strip with shape tiles ——— */
  .now-row {
    display: grid; grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 8px;
    margin-bottom: 16px;
  }
  .now-card {
    background: var(--paper);
    border: 2px solid var(--ink);
    border-radius: 4px;
    padding: 22px;
    box-shadow: 4px 4px 0 var(--ink);
    display: flex; flex-direction: column; gap: 12px;
    position: relative;
  }
  .now-card .top {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 4px;
  }
  .now-card .top .ico {
    width: 32px; height: 32px;
    border: 2px solid var(--ink); border-radius: 4px;
    display: inline-flex; align-items: center; justify-content: center;
    background: var(--b-400);
  }
  .now-card .top .ico.dark { background: var(--ink); }
  .now-card .top .ico.lite { background: var(--b-100); }
  .now-card .top .ico svg { width: 18px; height: 18px; }
  .now-card .top .label { font-family: var(--mono); font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-3); }
  .now-card h3 { font-size: 17px; font-weight: 600; letter-spacing: -0.01em; margin: 0; line-height: 1.3; }
  .now-card p { font-size: 14px; color: var(--ink-2); margin: 0; line-height: 1.5; }
  .now-card .foot { font-family: var(--mono); font-size: 11px; color: var(--ink-3); margin-top: auto; padding-top: 6px; }

  /* ——— KRAIL feature ——— */
  .krail {
    background: var(--ink);
    color: var(--bg);
    border: 2px solid var(--ink);
    border-radius: 6px;
    overflow: hidden;
    margin-top: 8px;
    margin-bottom: 16px;
    box-shadow: 6px 6px 0 var(--b-400);
  }
  .krail-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: stretch;
    min-height: 520px;
  }
  .krail-lhs { padding: 48px 44px 40px; display: flex; flex-direction: column; }
  .krail-tag {
    display: inline-flex; align-items: center; gap: 10px;
    font-family: var(--mono); font-size: 11px;
    letter-spacing: 0.08em; text-transform: uppercase;
    color: var(--b-300);
  }
  .krail-tag .live-pulse {
    width: 7px; height: 7px; border-radius: 50%; background: var(--b-300);
    box-shadow: 0 0 0 0 var(--b-300);
    animation: pulse-blue 2.4s infinite;
  }
  @keyframes pulse-blue {
    0% { box-shadow: 0 0 0 0 rgba(95,200,237,.6); }
    70% { box-shadow: 0 0 0 12px rgba(95,200,237,0); }
    100% { box-shadow: 0 0 0 0 rgba(95,200,237,0); }
  }
  .krail-lhs h3 {
    font-size: 38px; font-weight: 700;
    letter-spacing: -0.025em; line-height: 1.05;
    margin: 14px 0 12px;
  }
  .krail-lhs h3 .blue { color: var(--b-400); }
  .krail-lhs p { color: #B6C6D2; font-size: 15px; line-height: 1.6; margin: 0 0 14px; max-width: 460px; }
  .krail-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 1px solid #1F2D38; border-bottom: 1px solid #1F2D38; margin: 22px 0; }
  .krail-stats .s { padding: 14px 16px 14px 0; border-right: 1px solid #1F2D38; }
  .krail-stats .s:last-child { border-right: none; padding-left: 16px; padding-right: 0; }
  .krail-stats .s .k { font-family: var(--mono); font-size: 10px; text-transform: uppercase; letter-spacing: 0.08em; color: #6F8094; }
  .krail-stats .s .v { font-size: 19px; font-weight: 600; margin-top: 4px; letter-spacing: -0.01em; }
  .krail-stack { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 22px; }
  .krail-stack .b {
    font-family: var(--mono); font-size: 11px; padding: 3px 8px;
    border: 1px solid #2A3744; color: #B6C6D2; border-radius: 4px;
    background: #1A2530;
  }
  .krail-ctas { display: flex; gap: 10px; flex-wrap: wrap; margin-top: auto; }
  .krail-rhs {
    background: linear-gradient(135deg, var(--b-600), var(--b-800));
    display: flex; gap: 14px; justify-content: center; align-items: end;
    padding: 24px 12px 24px;
    border-left: 2px solid var(--ink);
    position: relative; overflow: hidden;
  }
  .krail-rhs::before {
    content: ""; position: absolute; inset: 0;
    background-image:
      linear-gradient(to right, rgba(255,255,255,.05) 1px, transparent 1px),
      linear-gradient(to bottom, rgba(255,255,255,.05) 1px, transparent 1px);
    background-size: 28px 28px;
    pointer-events: none;
  }
  .krail-rhs .deco {
    position: absolute; pointer-events: none;
  }
  .krail-rhs .deco.tri {
    top: 20px; left: 16px;
    width: 0; height: 0;
    border-left: 14px solid transparent; border-right: 14px solid transparent;
    border-bottom: 22px solid var(--b-400);
    transform: rotate(-10deg);
  }
  .krail-rhs .deco.sq {
    bottom: 28px; right: 18px;
    width: 24px; height: 24px;
    background: #FFF5C7;
    border: 2px solid var(--ink);
    transform: rotate(8deg);
    box-shadow: 3px 3px 0 var(--ink);
  }
  .krail-rhs .deco.cir {
    top: 40px; right: 30px;
    width: 30px; height: 30px;
    border-radius: 50%;
    background: var(--b-400);
    border: 2px solid var(--ink);
  }

  /* phone */
  .phone {
    width: 150px; height: 320px;
    border: 8px solid var(--ink);
    border-radius: 22px;
    background: var(--paper);
    overflow: hidden;
    position: relative;
    flex-shrink: 0;
    box-shadow: 6px 6px 0 var(--ink);
    z-index: 1;
  }
  .phone.mid { width: 170px; height: 360px; transform: translateY(-12px); z-index: 2; }
  .phone .notch {
    position: absolute; top: 6px; left: 50%; transform: translateX(-50%);
    width: 40px; height: 4px; background: var(--ink); border-radius: 4px;
    z-index: 4;
  }
  .phone .screen { position: absolute; inset: 0; overflow: hidden; display: flex; flex-direction: column; }
  .krail-screen { padding: 18px 12px 12px; height: 100%; display: flex; flex-direction: column; gap: 8px; }
  .krail-screen.s1 { background: var(--bg); }
  .krail-screen.s2 { background: var(--ink); color: var(--bg); }
  .krail-screen.s3 { background: var(--b-400); color: #fff; }
  .ks-status { font-family: var(--mono); font-size: 7px; display: flex; justify-content: space-between; opacity: .8; }
  .ks-title { font-size: 13px; font-weight: 700; letter-spacing: -0.01em; }
  .ks-sub { font-size: 8px; color: var(--ink-3); }
  .krail-screen.s2 .ks-sub { color: #8A98A8; }
  .krail-screen.s3 .ks-sub { color: rgba(255,255,255,.85); }
  .ks-card {
    background: var(--paper); border: 1px solid var(--rule); border-radius: 6px;
    padding: 6px 8px; display: flex; gap: 6px; align-items: center; font-size: 9px;
  }
  .krail-screen.s2 .ks-card { background: #1A2530; border-color: #2A3744; color: var(--bg); }
  .krail-screen.s3 .ks-card { background: rgba(255,255,255,.15); border-color: rgba(255,255,255,.25); color: #fff; }
  .ks-mode {
    width: 16px; height: 16px; border-radius: 4px;
    display: inline-flex; align-items: center; justify-content: center;
    color: #fff; font-weight: 700; font-size: 8px; flex-shrink: 0;
  }
  .ks-mode.t { background: #F23F3F; } .ks-mode.b { background: var(--b-400); }
  .ks-mode.f { background: #5AB031; } .ks-mode.l { background: #EE3D8A; }
  .ks-time { margin-left: auto; font-family: var(--mono); font-weight: 600; }

  /* ——— Apps strip (smaller cards) ——— */
  .apps-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 8px; margin-bottom: 16px; }
  .app-mini {
    background: var(--paper);
    border: 2px solid var(--ink);
    border-radius: 4px;
    padding: 20px;
    box-shadow: 4px 4px 0 var(--ink);
    display: flex; flex-direction: column; gap: 12px;
    transition: transform .15s, box-shadow .15s;
    cursor: pointer;
  }
  .app-mini:hover { transform: translate(-1px, -1px); box-shadow: 5px 5px 0 var(--ink); }
  .app-mini .ico {
    width: 56px; height: 56px;
    border: 2px solid var(--ink); border-radius: 8px;
    display: inline-flex; align-items: center; justify-content: center;
    background: var(--b-400);
  }
  .app-mini .ico.dark { background: var(--ink); }
  .app-mini .ico.cream { background: #FFF5C7; }
  .app-mini .ico.lite { background: var(--b-100); }
  .app-mini .ico svg { width: 28px; height: 28px; }
  .app-mini h3 {
    font-size: 18px; font-weight: 700; letter-spacing: -0.015em; margin: 0;
  }
  .app-mini h3 .meta { font-family: var(--mono); font-size: 11px; font-weight: 400; color: var(--ink-3); margin-left: 8px; }
  .app-mini p { font-size: 13px; color: var(--ink-2); margin: 0; line-height: 1.5; }
  .app-mini .foot {
    font-family: var(--mono); font-size: 11px; color: var(--ink-3);
    margin-top: auto; padding-top: 8px;
    display: flex; gap: 10px; align-items: center; flex-wrap: wrap;
    border-top: 1px dashed var(--rule);
  }
  .app-mini .foot .platforms { display: flex; gap: 4px; }
  .app-mini .foot .platforms span {
    padding: 1px 6px; border: 1px solid var(--rule-2); border-radius: 3px;
  }

  /* ——— Repo cards (GitHub style) ——— */
  .repo-grid {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-top: 8px;
    margin-bottom: 16px;
  }
  .repo {
    background: var(--paper);
    border: 2px solid var(--ink); border-radius: 4px;
    padding: 18px 20px;
    box-shadow: 3px 3px 0 var(--ink);
    display: flex; flex-direction: column; gap: 10px;
    transition: transform .15s, box-shadow .15s;
    cursor: pointer;
  }
  .repo:hover { transform: translate(-1px, -1px); box-shadow: 4px 4px 0 var(--ink); }
  .repo .top { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
  .repo .name {
    font-family: var(--mono); font-weight: 600; font-size: 14px;
    color: var(--b-600); display: inline-flex; align-items: center; gap: 8px;
  }
  .repo .name .shape-mini { width: 18px; height: 18px; flex-shrink: 0; }
  .repo .vis { font-family: var(--mono); font-size: 10px; padding: 2px 8px; border: 1px solid var(--rule-2); border-radius: 10px; color: var(--ink-3); letter-spacing: 0.04em; text-transform: uppercase; }
  .repo p { font-size: 13px; color: var(--ink-2); margin: 0; max-width: 480px; line-height: 1.5; }
  .repo .foot { display: flex; gap: 14px; align-items: center; margin-top: auto; padding-top: 4px; font-family: var(--mono); font-size: 11px; color: var(--ink-3); }
  .repo .lang { display: inline-flex; align-items: center; gap: 6px; }
  .repo .lang .ld { width: 10px; height: 10px; border-radius: 50%; }
  .repo .star { display: inline-flex; align-items: center; gap: 4px; }

  /* ——— Work timeline ——— */
  .work-list { margin-top: 8px; }
  .work-row {
    display: grid;
    grid-template-columns: 90px 220px 1fr auto;
    gap: 24px;
    padding: 22px 0;
    border-top: 1px solid var(--rule);
    align-items: baseline;
  }
  .work-row:last-child { border-bottom: 1px solid var(--rule); }
  .work-row .yr { font-family: var(--mono); font-size: 13px; color: var(--ink-3); padding-top: 3px; }
  .work-row .co-block {
    display: flex; align-items: flex-start; gap: 10px;
  }
  .work-row .co-block .co-shape {
    width: 28px; height: 28px;
    border: 2px solid var(--ink); border-radius: 4px;
    flex-shrink: 0; display: inline-flex; align-items: center; justify-content: center;
    background: var(--paper);
    margin-top: 2px;
  }
  .work-row .co-block .co-shape svg { width: 16px; height: 16px; }
  .work-row .co-block .co { font-size: 16px; font-weight: 600; letter-spacing: -0.01em; }
  .work-row .co-block .role-tag { display: block; font-weight: 400; font-size: 12px; color: var(--ink-3); margin-top: 2px; }
  .work-row .summary { font-size: 14px; color: var(--ink-2); line-height: 1.55; max-width: 480px; }
  .work-row .city { font-family: var(--mono); font-size: 12px; color: var(--ink-3); white-space: nowrap; }

  /* ——— Featured post ——— */
  .feat-post {
    display: grid; grid-template-columns: 280px 1fr; gap: 28px;
    background: var(--paper);
    border: 2px solid var(--ink); border-radius: 6px;
    box-shadow: 6px 6px 0 var(--b-400);
    overflow: hidden;
    margin-top: 8px;
  }
  .feat-post .left {
    background: linear-gradient(135deg, var(--b-400), var(--b-700));
    position: relative;
    min-height: 260px;
    display: flex; align-items: center; justify-content: center;
    color: #fff;
    border-right: 2px solid var(--ink);
    overflow: hidden;
  }
  .feat-post .left::before {
    content: ""; position: absolute; inset: 0;
    background-image:
      radial-gradient(circle at 20% 20%, rgba(255,255,255,.18), transparent 30%),
      radial-gradient(circle at 80% 80%, rgba(255,255,255,.10), transparent 30%);
  }
  .feat-post .left .scene { position: relative; z-index: 1; display: grid; place-items: center; }
  .feat-post .left .scene .shape-a {
    width: 80px; height: 80px; background: var(--paper);
    border: 2px solid var(--ink); border-radius: 4px;
    box-shadow: 4px 4px 0 var(--ink);
    transform: rotate(-6deg);
    grid-area: 1 / 1;
  }
  .feat-post .left .scene .shape-b {
    width: 60px; height: 60px; background: var(--ink); border-radius: 50%;
    transform: translate(40px, 30px);
    grid-area: 1 / 1;
    border: 2px solid var(--ink);
    box-shadow: 3px 3px 0 #FFF5C7;
  }
  .feat-post .left .scene .shape-c {
    width: 0; height: 0;
    border-left: 22px solid transparent; border-right: 22px solid transparent;
    border-bottom: 38px solid #FFF5C7;
    transform: translate(-50px, -28px) rotate(12deg);
    grid-area: 1 / 1;
  }
  .feat-post .right { padding: 28px 28px 28px 0; display: flex; flex-direction: column; gap: 8px; }
  .feat-post .right .pin { font-family: var(--mono); font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--b-600); display: inline-flex; align-items: center; gap: 8px; }
  .feat-post .right .pin::before { content: ""; width: 8px; height: 8px; background: var(--b-400); display: inline-block; }
  .feat-post .right h3 { font-size: 26px; font-weight: 700; letter-spacing: -0.02em; line-height: 1.2; margin: 6px 0; }
  .feat-post .right p { color: var(--ink-2); font-size: 14px; margin: 0; }
  .feat-post .right .foot { margin-top: auto; padding-top: 14px; display: flex; gap: 14px; align-items: center; font-family: var(--mono); font-size: 12px; color: var(--ink-3); }

  /* ——— Posts list ——— */
  .posts-list { margin-top: 8px; margin-bottom: 16px; }
  .post-row {
    display: grid; grid-template-columns: 100px 1fr 80px; gap: 24px;
    padding: 16px 0; border-top: 1px solid var(--rule); align-items: baseline;
    color: var(--ink); cursor: pointer; transition: background .15s, padding .15s;
  }
  .post-row:last-child { border-bottom: 1px solid var(--rule); }
  .post-row:hover { background: var(--bg-2); padding-left: 12px; padding-right: 12px; }
  .post-row:hover .title { color: var(--b-500); }
  .post-row .date { font-family: var(--mono); font-size: 12px; color: var(--ink-3); }
  .post-row .title { font-size: 16px; font-weight: 500; letter-spacing: -0.01em; }
  .post-row .read { font-family: var(--mono); font-size: 11px; color: var(--ink-3); text-align: right; }

  /* ——— Tag filter pills (3D) ——— */
  .tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0 12px; }
  .tag-pill {
    font-family: var(--mono); font-size: 12px;
    padding: 5px 12px;
    border: 2px solid var(--ink); border-radius: 999px;
    background: var(--paper); color: var(--ink);
    cursor: pointer;
    box-shadow: 2px 2px 0 var(--ink);
    transition: transform .1s, box-shadow .1s, background .15s;
    white-space: nowrap;
  }
  .tag-pill:hover { transform: translate(-1px, -1px); box-shadow: 3px 3px 0 var(--ink); }
  .tag-pill[aria-pressed="true"] { background: var(--b-400); color: #fff; }

  /* ——— Speaking list (portfolio) ——— */
  .talks { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 8px; }
  .talk {
    background: var(--paper); border: 2px solid var(--ink); border-radius: 4px;
    padding: 18px; box-shadow: 3px 3px 0 var(--ink);
    display: flex; gap: 14px; align-items: flex-start;
  }
  .talk .shape-mini { width: 36px; height: 36px; flex-shrink: 0; border: 2px solid var(--ink); border-radius: 4px; display: inline-flex; align-items: center; justify-content: center; }
  .talk .shape-mini svg { width: 18px; height: 18px; }
  .talk h4 { font-size: 15px; font-weight: 600; margin: 0; letter-spacing: -0.01em; }
  .talk p { font-size: 13px; color: var(--ink-3); margin: 4px 0 0; font-family: var(--mono); }

  /* ——— Footer ——— */
  footer.bottom {
    border-top: 2px solid var(--ink);
    margin-top: 56px;
    background: var(--ink);
    color: var(--bg);
  }
  footer.bottom .inner {
    max-width: 1180px; margin: 0 auto; padding: 64px 28px 32px;
    display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 48px;
  }
  footer.bottom h4 {
    font-size: 36px; font-weight: 700; letter-spacing: -0.025em; line-height: 1.05;
    margin: 0 0 12px;
  }
  footer.bottom h4 .blue { color: var(--b-400); }
  footer.bottom p { color: #95A3B0; margin: 0 0 20px; max-width: 360px; }
  footer.bottom .col h5 { font-family: var(--mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; color: #6F8094; margin: 0 0 14px; font-weight: 500; }
  footer.bottom .col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
  footer.bottom .col a { color: var(--bg); font-family: var(--mono); font-size: 13px; display: inline-flex; align-items: center; gap: 8px; white-space: nowrap; }
  footer.bottom .col a:hover { color: var(--b-300); }
  footer.bottom .meta {
    grid-column: 1 / -1; margin-top: 20px; padding-top: 18px;
    border-top: 1px solid #1F2D38;
    display: flex; justify-content: space-between;
    font-family: var(--mono); font-size: 11px; color: #6F8094;
    letter-spacing: 0.04em; text-transform: uppercase;
  }

  /* ——— Responsive ——— */

  /* Tablet — ≤880px */
  @media (max-width: 880px) {
    main { padding: 0 20px; }
    header.top .inner { padding: 10px 20px; gap: 12px; }

    .home-intro {
      grid-template-columns: 1fr;
      gap: 40px;
      padding: 32px 0 40px;
    }
    .portrait-frame { max-width: 240px; margin: 0 auto; height: 300px; }
    .portrait-frame .portrait { height: 100%; }
    .home-intro h1 { font-size: 36px; }

    .page-intro {
      grid-template-columns: 1fr;
      gap: 20px;
      padding: 40px 0;
      align-items: start;
    }
    .page-intro h1 { font-size: 40px; }

    .now-row { grid-template-columns: 1fr; }
    .krail-inner { grid-template-columns: 1fr; }
    .krail-rhs {
      padding: 24px 16px;
      border-left: none;
      border-top: 2px solid var(--ink);
      overflow-x: auto;
      justify-content: flex-start;
      scroll-snap-type: x mandatory;
    }
    .krail-rhs .phone { scroll-snap-align: center; }
    .apps-strip { grid-template-columns: 1fr; }
    .repo-grid { grid-template-columns: 1fr; }
    .work-row {
      grid-template-columns: 100px 1fr;
      gap: 16px;
    }
    .work-row .yr { grid-column: 1; grid-row: 1; white-space: nowrap; }
    .work-row .co-block { grid-column: 2; grid-row: 1; }
    .work-row .summary { grid-column: 1 / -1; grid-row: 2; padding-top: 4px; }
    .work-row .city { grid-column: 1 / -1; grid-row: 3; padding-top: 2px; }
    .feat-post { grid-template-columns: 1fr; }
    .feat-post .left { min-height: 200px; border-right: none; border-bottom: 2px solid var(--ink); }
    .feat-post .right { padding: 24px; }
    .talks { grid-template-columns: 1fr; }
    footer.bottom .inner { grid-template-columns: 1fr; padding: 48px 20px 24px; gap: 32px; }

    /* Section heads — pull shape inline with title at narrow widths */
    .sec-head {
      grid-template-columns: 40px 1fr;
      gap: 14px;
      padding: 40px 0 18px;
    }
    .sec-head .right {
      grid-column: 1 / -1;
      padding-top: 0;
      padding-left: 54px;
    }
    .sec-head h2 { font-size: 22px; }
  }

  /* Phone — ≤540px */
  @media (max-width: 540px) {
    body { font-size: 15px; }
    main { padding: 0 16px; }

    /* Header: brand stays, tabs scroll horizontally, hide top CTA */
    header.top .inner {
      padding: 10px 16px;
      gap: 10px;
      flex-wrap: nowrap;
    }
    header.top .brand span:not(.glyph) {
      display: none; /* show only the KS glyph */
    }
    header.top .brand { flex-shrink: 0; }
    header.top nav.tabs {
      flex: 1;
      overflow-x: auto;
      scrollbar-width: none;
      -webkit-overflow-scrolling: touch;
      justify-content: flex-end;
    }
    header.top nav.tabs::-webkit-scrollbar { display: none; }
    header.top nav.tabs button {
      padding: 6px 10px;
      font-size: 13px;
      flex-shrink: 0;
    }
    header.top .header-cta { display: none; }

    /* Hero */
    .home-intro { padding: 24px 0 32px; gap: 36px; }
    .home-intro h1 { font-size: 28px; line-height: 1.12; }
    .home-intro p.bio { font-size: 15px; }
    .portrait-frame { max-width: 200px; height: 250px; }

    .actions { gap: 8px; }
    .actions .btn-3d { padding: 10px 14px; font-size: 13px; }

    .meta-row {
      grid-template-columns: 80px 1fr;
      font-size: 12px;
      padding: 12px 0;
      gap: 6px 12px;
    }

    /* Page-intro */
    .page-intro h1 { font-size: 30px; }
    .page-intro p.lede { font-size: 16px; }
    .shapes-deco .shape-tile {
      width: 40px; height: 40px;
    }

    /* Section heads */
    .sec-head {
      grid-template-columns: 32px 1fr;
      padding: 32px 0 14px;
    }
    .sec-head .shape {
      width: 32px; height: 32px;
      box-shadow: 2px 2px 0 var(--ink);
    }
    .sec-head .shape svg { width: 18px; height: 18px; }
    .sec-head .right { padding-left: 46px; }
    .sec-head h2 { font-size: 20px; }
    .sec-head h2 .count { font-size: 12px; display: block; margin-left: 0; margin-top: 2px; }
    .sec-head p { font-size: 14px; }

    /* Now / app cards */
    .now-card { padding: 18px; }
    .now-card h3 { font-size: 16px; }
    .app-mini { padding: 18px; }

    /* KRAIL — compact */
    .krail { box-shadow: 4px 4px 0 var(--b-400); }
    .krail-lhs { padding: 24px 22px 20px; }
    .krail-lhs h3 { font-size: 28px; }
    .krail-lhs p { font-size: 14px; }
    .krail-stats { grid-template-columns: 1fr; }
    .krail-stats .s {
      border-right: none;
      border-bottom: 1px solid #1F2D38;
      padding: 10px 0 !important;
    }
    .krail-stats .s:last-child { border-bottom: none; }
    .krail-rhs { padding: 20px 0; gap: 10px; justify-content: center; }
    .krail-rhs .deco { display: none; }
    .krail-rhs .phone:not(.mid) { display: none; }
    .phone { width: 130px; height: 280px; box-shadow: 4px 4px 0 var(--ink); }
    .phone.mid { width: 160px; height: 340px; }
    .krail-ctas { gap: 8px; }
    .krail-ctas .btn-3d { padding: 10px 14px; font-size: 13px; }

    /* Repo cards */
    .repo { padding: 16px; }
    .repo .name { font-size: 13px; }
    .repo p { font-size: 13px; }
    .repo .foot { gap: 10px; font-size: 10px; flex-wrap: wrap; }

    /* Work timeline */
    .work-row {
      grid-template-columns: 1fr;
      grid-template-rows: auto auto auto auto;
      gap: 4px;
      padding: 18px 0;
      align-items: start;
    }
    .work-row .yr      { grid-column: 1; grid-row: 1; }
    .work-row .co-block { grid-column: 1; grid-row: 2; }
    .work-row .summary  { grid-column: 1; grid-row: 3; padding-top: 6px; }
    .work-row .city     { grid-column: 1; grid-row: 4; padding-top: 2px; }
    .work-row .co-block .co { font-size: 15px; }
    .work-row .summary { font-size: 13px; }

    /* Posts */
    .post-row {
      grid-template-columns: 1fr;
      gap: 4px;
      padding: 14px 0;
    }
    .post-row .date { order: 1; }
    .post-row .title { order: 2; font-size: 15px; }
    .post-row .read { order: 3; text-align: left; }
    .post-row:hover { padding-left: 8px; padding-right: 8px; }

    /* Tags wrap properly */
    .tags { gap: 6px; }
    .tag-pill { font-size: 11px; padding: 4px 10px; }

    /* Featured post */
    .feat-post { box-shadow: 4px 4px 0 var(--b-400); }
    .feat-post .left { min-height: 180px; }
    .feat-post .right { padding: 20px; }
    .feat-post .right h3 { font-size: 22px; }
    .feat-post .right .foot { flex-wrap: wrap; }
    .feat-post .right .foot .btn-3d { margin-left: 0 !important; margin-top: 6px; }

    /* Photos */
    #page-photos > div[style*="grid-template-columns:repeat(4,1fr)"] {
      grid-template-columns: repeat(2, 1fr) !important;
      grid-auto-rows: 140px !important;
    }
    .photo-cell[style*="grid-column:span 2"] { grid-column: span 2 !important; }

    /* Footer */
    footer.bottom .inner { padding: 40px 16px 20px; gap: 28px; }
    footer.bottom h4 { font-size: 28px; }
    footer.bottom .meta { flex-direction: column; gap: 6px; }

    /* Talks */
    .talk { padding: 14px; }
    .talk h4 { font-size: 14px; }
    .talk p { font-size: 12px; }
  }


    .photo-cell {
      background:
        repeating-linear-gradient(45deg, var(--bg-2) 0 14px, var(--bg) 14px 15px);
      border: 2px solid var(--ink); border-radius: 4px;
      box-shadow: 3px 3px 0 var(--ink);
    }

  /* ——— Reduced motion (handoff a11y requirement) ——— */
  @media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
      animation-duration: .01ms !important;
      animation-iteration-count: 1 !important;
      transition-duration: .01ms !important;
      scroll-behavior: auto !important;
    }
  }

  /* ——— Blog post (article) ——— */
  .post-wrap { max-width: 740px; margin: 0 auto; padding: 0 28px; }
  .post-head { padding: 48px 0 22px; border-bottom: 2px solid var(--ink); }
  .post-back { font-family: var(--mono); font-size: 13px; color: var(--ink-3); display: inline-flex; gap: 6px; margin-bottom: 22px; }
  .post-back:hover { color: var(--b-500); }
  .post-head .pin { font-family: var(--mono); font-size: 12px; letter-spacing: .06em; text-transform: uppercase; color: var(--b-600); }
  .post-head h1 { font-size: 40px; font-weight: 700; letter-spacing: -0.025em; line-height: 1.12; margin: 10px 0 0; }
  .article { padding: 30px 0 8px; font-size: 17px; line-height: 1.7; color: var(--ink-2); }
  .article h1, .article h2, .article h3 { color: var(--ink); letter-spacing: -0.02em; line-height: 1.25; margin: 32px 0 12px; }
  .article h2 { font-size: 25px; } .article h3 { font-size: 19px; }
  .article p { margin: 0 0 18px; }
  .article a { color: var(--b-600); border-bottom: 1px solid var(--b-200); }
  .article img { max-width: 100%; height: auto; border: 2px solid var(--ink); border-radius: 4px; box-shadow: 3px 3px 0 var(--ink); margin: 18px 0; }
  .article pre { background: var(--ink); color: #E8EFF5; padding: 18px 20px; border-radius: 8px; overflow-x: auto; font-family: var(--mono); font-size: 13px; line-height: 1.7; border: 2px solid var(--ink); box-shadow: 4px 4px 0 var(--b-400); margin: 22px 0; -webkit-text-size-adjust: 100%; }
  .article code { font-family: var(--mono); font-size: .9em; background: var(--bg-2); padding: 1px 5px; border-radius: 3px; }
  .article pre code { background: none; padding: 0; }
  .article blockquote { border-left: 3px solid var(--b-400); margin: 18px 0; padding: 4px 0 4px 18px; color: var(--ink-3); }
  .article ul, .article ol { margin: 0 0 18px; padding-left: 22px; }
  .article li { margin: 6px 0; }
  .article .video-embed { position:relative; width:100%; aspect-ratio:16/9; border-radius:8px; overflow:hidden; margin:24px 0; border:2px solid var(--ink); box-shadow:4px 4px 0 var(--b-400); }
  .article .video-embed iframe { position:absolute; inset:0; width:100%; height:100%; border:0; }
  .article-byline { display:flex; align-items:center; gap:14px; padding:28px 0 0; border-top:2px solid var(--ink); margin-top:40px; }
  .article-byline-glyph { width:36px; height:36px; background:var(--b-400); border:2px solid var(--ink); border-radius:4px; box-shadow:2px 2px 0 var(--ink); display:inline-flex; align-items:center; justify-content:center; color:#fff; font-weight:800; font-size:13px; flex-shrink:0; }
  .article-byline strong { font-size:15px; font-weight:600; display:block; line-height:1.3; }
  .article-byline span { font-family:var(--mono); font-size:12px; color:var(--ink-3); letter-spacing:.04em; }
  .post-nav { display:grid; grid-template-columns:1fr auto 1fr; gap:16px; align-items:center; padding:32px 0 16px; border-top:2px solid var(--ink); margin-top:40px; }
  .post-nav-link { display:flex; flex-direction:column; gap:4px; text-decoration:none; padding:12px 14px; border:2px solid var(--rule); border-radius:6px; transition:border-color .15s,background .15s; }
  .post-nav-link:hover { border-color:var(--b-400); background:var(--bg-2); }
  .post-nav-link--next { text-align:right; }
  .post-nav-label { font-family:var(--mono); font-size:11px; letter-spacing:.06em; text-transform:uppercase; color:var(--ink-3); }
  .post-nav-title { font-size:14px; font-weight:500; color:var(--ink); line-height:1.3; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; }
  .post-nav-share { justify-self:center; }
  @media (max-width: 540px) { .post-wrap { padding: 0 16px; } .post-head h1 { font-size: 28px; } .article { font-size: 16px; } .post-nav { grid-template-columns:1fr 1fr; } .post-nav-share { display:none; } }

  /* ——— Real imagery (portrait + app icons) ——— */
  .portrait img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 30% 22%; transform: scale(1.38); transform-origin: 30% 25%; }
  .app-mini .ico.real { background: var(--paper); padding: 0; overflow: hidden; }
  .app-mini .ico.real img { width: 100%; height: 100%; object-fit: cover; }
  .app-mini .app-preview { margin: -20px -20px 0; border-radius: 2px 2px 0 0; overflow: hidden; height: 200px; border-bottom: 2px solid var(--ink); }
  .app-mini .app-preview img { width: 100%; height: 100%; object-fit: cover; object-position: top; }

  /* ——— Expandable work timeline ——— */
  details.work-item { border-top: 1px solid var(--rule); }
  details.work-item:last-of-type { border-bottom: 1px solid var(--rule); }
  details.work-item > summary { list-style: none; cursor: pointer; }
  details.work-item > summary::-webkit-details-marker { display: none; }
  details.work-item > summary:focus-visible { outline: 2px solid var(--b-400); outline-offset: -2px; border-radius: 4px; }
  details.work-item .work-row { border: none !important; }
  details.work-item > summary:hover .work-row { background: var(--bg-2); }
  .work-row .co-shape.logo { background: #fff; padding: 3px; overflow: hidden; }
  .work-row .co-shape.logo img { width: 100%; height: 100%; object-fit: contain; display: block; }
  .work-row .chev { display: inline-block; margin-left: 8px; color: var(--ink-3); transition: transform .15s ease; }
  details[open] .work-row .chev { transform: rotate(90deg); }
  .work-detail { padding: 2px 0 24px 114px; }
  .work-detail ul { list-style: none; margin: 0 0 16px; padding: 0; display: grid; gap: 12px; max-width: 500px; }
  .work-detail li { position: relative; padding-left: 24px; color: var(--ink-2); font-size: 14.5px; line-height: 1.6; }
  .work-detail li::before {
    content: ""; position: absolute; left: 0; top: 7px;
    width: 9px; height: 9px; background: var(--b-400); border: 1.5px solid var(--ink);
    box-shadow: 2px 2px 0 var(--ink);
  }
  @media (max-width: 880px) { .work-detail { padding-left: 0; } }

  /* ——— Photo gallery (masonry, keeps each photo's natural aspect, no cropping) ——— */
  .photo-masonry { column-count: 3; column-gap: 14px; margin-top: 8px; }
  .photo { break-inside: avoid; margin: 0 0 14px; }
  .photo img { width: 100%; height: auto; display: block; }
  @media (max-width: 880px) { .photo-masonry { column-count: 2; } }
  @media (max-width: 540px) { .photo-masonry { column-count: 2; column-gap: 10px; } .photo { margin-bottom: 10px; } }

  /* keep the neo-brutalist code block; let highlight.js color tokens on top */
  .article pre code.hljs { background: transparent; padding: 0; color: #E8EFF5; }

  .article .post-hero { display:block; max-width:340px; width:100%; margin:0 auto 8px; border:2px solid var(--ink); border-radius:10px; box-shadow:5px 5px 0 var(--b-400); height:auto; }