:root{
    --bg:#F4F4ED; --ink:#0B1E3F; --ink-soft:#243a5e; --muted:#5A6479;
    --accent:#FF7A1A; --accent-hover:#FFA155;
    --accent-line:rgba(255,122,26,.40); --accent-soft:rgba(255,122,26,.10);
    --card:rgba(255,255,255,.74); --card-solid:#FFFFFF;
    --line:rgba(11,30,63,.12); --line-strong:rgba(11,30,63,.20); --code-bg:rgba(11,30,63,.05);
    --green:#3FA66A; --amber:#C98A2E; --red:#D2544A; --slate:#5A6479;
    --r:24px;
    --display:'Poppins',system-ui,sans-serif; --body:'Poppins',system-ui,sans-serif;
    --mono:ui-monospace,'SF Mono',Menlo,Consolas,monospace;
    --ease-spring:cubic-bezier(.2,.9,.25,1.08);
    --ease-out:cubic-bezier(.22,1,.36,1);
  }
  *{box-sizing:border-box;margin:0;padding:0}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{background:var(--bg);color:var(--ink);font-family:var(--body);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden;min-height:100vh}
  body::before{content:"";position:fixed;inset:0;z-index:-3;background:
    radial-gradient(900px 560px at 82% -10%, rgba(255,122,26,.10), transparent 60%),
    radial-gradient(800px 520px at 10% 8%, rgba(255,122,26,.06), transparent 60%),
    var(--bg)}
  h1,h2,h3,h4,.display{font-family:var(--display);font-weight:600;letter-spacing:-.02em;line-height:1.05;color:var(--ink)}
  a{color:var(--accent);text-decoration:none}
  .wrap{max-width:1080px;margin:0 auto;padding:30px 24px 60px;position:relative}
  b,strong{font-weight:700}
  /* topbar */
  .topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:40px;flex-wrap:wrap;gap:12px}
  .brand{display:flex;align-items:center;gap:11px;font-family:var(--display);font-weight:700;font-size:18px}
  .brand .mark{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;background:var(--ink);color:#fff;font-weight:800;font-size:17px;flex:0 0 auto}
  .brand .mark span{color:var(--accent)}
  .crumb{font-size:12px;color:var(--muted);letter-spacing:.16em;text-transform:uppercase;font-weight:600;border:1px solid var(--line);background:var(--card-solid);padding:7px 14px;border-radius:100px}
  /* hero */
  .hero{text-align:center;max-width:880px;margin:14px auto 8px}
  .badge{display:inline-flex;align-items:center;gap:9px;font-size:12px;letter-spacing:.18em;text-transform:uppercase;font-weight:600;color:var(--accent);background:var(--accent-soft);border:1px solid var(--accent-line);padding:8px 16px;border-radius:100px;margin-bottom:26px}
  .badge .pulse{width:7px;height:7px;border-radius:50%;background:var(--accent);animation:pulse 2.4s ease-in-out infinite}
  @keyframes pulse{0%,100%{opacity:.4;transform:scale(.8)}50%{opacity:1;transform:scale(1.25)}}
  .hero h1{font-size:clamp(38px,6.4vw,72px);font-weight:700;line-height:1.02}
  .hero h1 .ac{color:var(--accent)}
  .hero .sub{margin:22px auto 0;max-width:64ch;font-size:clamp(16px,2vw,20px);color:var(--muted);line-height:1.55}
  /* chips */
  .chips{display:flex;flex-wrap:wrap;justify-content:center;gap:12px 22px;margin-top:34px}
  .chip-pill{display:inline-flex;align-items:center;gap:9px;font-size:14.5px;font-weight:600;color:var(--ink-soft)}
  .chip-pill .d{width:11px;height:11px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(255,122,26,.14),0 0 10px 2px rgba(255,122,26,.5);animation:chipGlow 2.6s ease-in-out infinite}
  .chip-pill b{color:var(--ink);font-weight:700;margin-right:2px}
  @keyframes chipGlow{0%,100%{box-shadow:0 0 0 4px rgba(255,122,26,.14),0 0 10px 2px rgba(255,122,26,.5)}50%{box-shadow:0 0 0 7px rgba(255,122,26,.18),0 0 18px 4px rgba(255,122,26,.8)}}
  @media (prefers-reduced-motion:reduce){.chip-pill .d,.badge .pulse{animation:none}}
  /* divider */
  .divider{display:flex;align-items:center;gap:16px;margin:60px 0 24px}
  .divider::before,.divider::after{content:"";flex:1;height:1px;background:var(--line-strong)}
  .divider span{font-size:12px;letter-spacing:.18em;text-transform:uppercase;font-weight:600;color:var(--ink-soft);background:var(--card-solid);border:1px solid var(--line);padding:7px 18px;border-radius:100px;white-space:nowrap}
  /* section intro */
  .sec-head{max-width:74ch;margin:0 auto 6px;text-align:center}
  .sec-head h2{font-size:clamp(26px,3.4vw,40px);font-weight:700}
  .sec-head .lead{margin:14px auto 0;color:var(--muted);font-size:16.5px;line-height:1.6}
  .sec-head .lead b{color:var(--ink)}
  /* cards */
  .card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:32px;
    -webkit-backdrop-filter:blur(12px) saturate(120%);backdrop-filter:blur(12px) saturate(120%);
    box-shadow:0 20px 50px -34px rgba(11,30,63,.4);margin:18px 0}
  .card h3.ctitle{font-size:19px;margin-bottom:14px;display:flex;align-items:center;gap:10px}
  .card h3.ctitle .n{width:28px;height:28px;border-radius:8px;background:var(--accent);color:#fff;display:grid;place-items:center;font-size:14px;font-weight:700;flex:0 0 auto}
  .grid2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
  /* tables */
  table{width:100%;border-collapse:collapse;font-size:14.5px}
  th,td{text-align:left;padding:11px 14px;border-bottom:1px solid var(--line);vertical-align:top}
  tr:last-child td{border-bottom:none}
  th{color:var(--accent);font-weight:600;font-size:11px;letter-spacing:.08em;text-transform:uppercase}
  td{color:var(--ink-soft)}
  td b{color:var(--ink)}
  /* horizontal-scroll wrapper for wide tables (added by JS) so they never clip under body overflow:hidden */
  .table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:8px}
  /* mono / code */
  code,.mono{font-family:var(--mono);font-size:12.5px;color:var(--ink);background:var(--code-bg);padding:1px 7px;border-radius:6px;overflow-wrap:anywhere}
  /* pills */
  .pill{display:inline-block;padding:3px 12px;border-radius:100px;font-size:11px;font-weight:600;letter-spacing:.03em;text-transform:uppercase;line-height:1.6;
    color:var(--c,var(--accent));background:color-mix(in srgb,var(--c,var(--accent)) 12%,transparent);border:1px solid color-mix(in srgb,var(--c,var(--accent)) 40%,transparent)}
  .s-new{--c:var(--slate)}.s-urg{--c:var(--red)}.s-prog{--c:var(--accent)}.s-wait{--c:var(--amber)}.s-done{--c:var(--green)}
  /* action tag */
  .actk{display:inline-block;font-family:var(--display);font-size:10.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--accent);background:var(--accent-soft);border:1px solid var(--accent-line);border-radius:6px;padding:2px 9px;margin-right:8px;vertical-align:baseline}
  /* mermaid */
  .mermaid{background:var(--card-solid);border:1px solid var(--line);border-radius:var(--r);padding:26px;margin:18px 0;text-align:center;box-shadow:0 20px 50px -34px rgba(11,30,63,.4)}
  /* note / outcome */
  .note{display:flex;gap:13px;align-items:flex-start;background:var(--accent-soft);border:1px solid var(--accent-line);border-radius:14px;padding:16px 18px;margin:16px 0;font-size:14.5px;color:var(--ink-soft);line-height:1.55}
  .note .tag{flex:0 0 auto;font-size:10px;letter-spacing:.12em;text-transform:uppercase;font-weight:700;color:var(--accent);border:1px solid var(--accent-line);border-radius:100px;padding:5px 11px;margin-top:1px}
  .note b{color:var(--ink)}
  .note.green{background:rgba(63,166,106,.09);border-color:rgba(63,166,106,.4)}
  .note.green .tag{color:var(--green);border-color:rgba(63,166,106,.4)}
  /* email preview */
  .mail{background:var(--card-solid);border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:0 18px 48px -34px rgba(11,30,63,.4);margin:16px 0}
  .mail__h{padding:14px 20px;background:#FBFAF5;border-bottom:1px solid var(--line);font-size:12.5px;color:var(--muted)}
  .mail__h b{color:var(--ink)}
  .mail__h .tag{display:inline-block;background:var(--accent-soft);color:var(--accent);border:1px solid var(--accent-line);border-radius:100px;padding:1px 10px;font-size:10px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;margin-right:8px}
  .mail__b{padding:20px 24px;font-size:14.5px;color:var(--ink-soft);line-height:1.7}
  .mail__b p{margin-bottom:11px}
  .co{background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:13px 16px;margin:12px 0}
  .co .l{font-size:9px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);font-weight:700;margin-bottom:6px}
  .co .v{color:var(--ink);font-weight:500}
  /* code block */
  .codeblock{margin:14px 0;background:#0e1626;border:1px solid rgba(255,255,255,.1);border-radius:14px;overflow:hidden}
  .codeblock-bar{display:flex;align-items:center;justify-content:space-between;padding:9px 14px;border-bottom:1px solid rgba(255,255,255,.08)}
  .codeblock-label{font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:#ff9a5a;font-weight:600}
  /* tabs (pure CSS via radio inputs) */
  .tabs>input[type=radio]{position:absolute;opacity:0;pointer-events:none}
  .tablist{display:inline-flex;gap:4px;background:var(--card-solid);border:1px solid var(--line);border-radius:100px;padding:4px;margin-bottom:14px}
  .tablist label{font-size:13.5px;font-weight:600;color:var(--muted);padding:7px 18px;border-radius:100px;cursor:pointer;display:inline-flex;align-items:center;gap:7px;transition:background .25s ease,color .25s ease}
  .tablist label svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
  .tabpanel{display:none}
  #tab-preview:checked~.tablist label[for=tab-preview],
  #tab-code:checked~.tablist label[for=tab-code]{background:var(--accent);color:#fff}
  #tab-preview:checked~.panel-preview,
  #tab-code:checked~.panel-code{display:block}
  /* email preview frame (renders the shell) */
  .mailframe{background:#EDEDEA;padding:30px 16px;border-radius:14px;border:1px solid var(--line)}
  .mailframe .caption{text-align:center;font-size:11.5px;color:var(--muted);margin-top:14px;font-style:italic}
  .codeblock pre{margin:0;padding:14px 16px;overflow-x:auto}
  .codeblock code{font-family:var(--mono);font-size:12px;line-height:1.6;color:#dce8f6;white-space:pre;background:none;padding:0}
  /* accordion via <details> */
  .acc{background:var(--card);border:1px solid var(--line);border-radius:18px;overflow:hidden;margin:14px 0;
    -webkit-backdrop-filter:blur(10px) saturate(120%);backdrop-filter:blur(10px) saturate(120%);
    box-shadow:0 18px 48px -32px rgba(11,30,63,.45);transition:border-color .3s ease}
  .acc[open]{border-color:var(--accent-line)}
  .acc summary{display:flex;align-items:center;gap:16px;cursor:pointer;padding:20px 22px;list-style:none}
  .acc summary::-webkit-details-marker{display:none}
  .acc-num{flex:0 0 auto;width:44px;height:44px;border-radius:12px;background:var(--accent);color:#fff;font-family:var(--display);font-weight:700;font-size:17px;display:grid;place-items:center}
  .acc-num.plus{background:var(--ink)}
  .acc-headtext{flex:1;min-width:0}
  .acc-titlerow{display:flex;align-items:center;gap:11px;flex-wrap:wrap}
  .acc-title{font-family:var(--display);font-weight:600;font-size:20px;color:var(--ink)}
  .acc-summary{display:block;margin-top:5px;font-family:var(--mono);font-size:12px;color:var(--muted);line-height:1.5}
  .acc-chev{flex:0 0 auto;color:var(--muted);transition:transform .3s var(--ease-spring)}
  .acc-chev svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
  .acc[open] .acc-chev{transform:rotate(180deg);color:var(--accent)}
  .acc-body{padding:4px 24px 22px}
  .acc-step{display:flex;gap:14px;padding:16px 0;border-top:1px solid var(--line)}
  .acc-step-num{flex:0 0 auto;width:26px;height:26px;border-radius:8px;background:var(--accent-soft);border:1px solid var(--accent-line);color:var(--accent);font-size:12px;font-weight:700;font-family:var(--display);display:grid;place-items:center;margin-top:1px}
  .acc-step-main{flex:1;min-width:0}
  .acc-step-main .h{font-family:var(--display);font-weight:600;font-size:16px;color:var(--ink);margin-bottom:3px}
  .acc-bullets{list-style:none;margin-top:9px;display:flex;flex-direction:column;gap:7px}
  .acc-bullets li{position:relative;padding-left:18px;font-size:14px;color:var(--ink-soft);line-height:1.5}
  .acc-bullets li::before{content:"";position:absolute;left:0;top:8px;width:7px;height:7px;border-radius:2px;background:var(--accent)}
  .acc-bullets li b{color:var(--ink)}
  .sop{font-size:13.5px;color:var(--muted);margin-top:14px;line-height:1.55;font-style:italic}
  .sop b{color:var(--ink-soft);font-style:normal}
  /* mind close */
  .mind{text-align:center;max-width:740px;margin:18px auto 0}
  .mind .q{font-family:var(--display);font-weight:600;font-size:clamp(22px,3.4vw,36px);line-height:1.12}
  .mind .q .ac{color:var(--accent)}
  .mind p{margin-top:16px;color:var(--muted);font-size:16.5px;line-height:1.6}
  /* footer */
  footer{display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:13px;margin-top:50px;padding-top:24px;border-top:1px solid var(--line);flex-wrap:wrap;gap:8px}
  footer .dot{width:9px;height:9px;border-radius:2px;background:var(--accent);display:inline-block;margin-right:8px}
  @media(max-width:780px){.grid2{grid-template-columns:1fr}}
  @media(max-width:560px){
    body{font-size:16px}.wrap{padding:20px 16px 44px}.card{padding:22px}
    .hero h1{font-size:clamp(30px,8.5vw,44px)}.divider{gap:10px;margin:44px 0 20px}
    .acc summary{padding:16px}.acc-body{padding:4px 18px 18px}
  }

  /* ===================== Awwwards pass: live shader, motion, polish ===================== */
  /* live WebGL contour background (matches realportfolio / framework) */
  #bg{position:fixed;inset:0;width:100%;height:100%;z-index:-3;opacity:0;pointer-events:none;transition:opacity 1.4s var(--ease-spring)}
  #bg.on{opacity:1}
  body::before{z-index:-4 !important}
  /* copy deterrent: block text selection + image drag (not real security) */
  body{-webkit-user-select:none;-moz-user-select:none;user-select:none}
  img{-webkit-user-drag:none;user-drag:none}

  /* scroll progress */
  .progress{position:fixed;top:0;left:0;height:3px;width:0;z-index:60;background:linear-gradient(90deg,var(--accent),var(--accent-hover));box-shadow:0 0 14px rgba(255,122,26,.6)}

  /* floating glass topbar */
  .topbar{position:sticky;top:12px;z-index:40;background:var(--card);-webkit-backdrop-filter:blur(16px) saturate(150%);backdrop-filter:blur(16px) saturate(150%);border:1px solid var(--line);border-radius:100px;padding:9px 14px 9px 16px;box-shadow:0 18px 50px -30px rgba(11,30,63,.5);margin-bottom:34px}
  .mark-logo{width:40px;height:40px;border-radius:50%;object-fit:cover;background:#fff;border:1px solid var(--line);flex:0 0 auto;box-shadow:0 6px 18px -9px rgba(11,30,63,.5)}

  /* brand / stack strip */
  .stack-strip{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:12px 16px;margin-top:30px}
  .stack-label{font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;font-weight:700;color:var(--muted)}
  .stack-logo{display:inline-flex;align-items:center;gap:9px;font-weight:700;font-size:15px;color:var(--ink);background:var(--card-solid);border:1px solid var(--line);padding:7px 16px 7px 9px;border-radius:100px;box-shadow:0 12px 32px -22px rgba(11,30,63,.5)}
  .stack-logo img{width:24px;height:24px;object-fit:contain;border-radius:6px}
  .hero-socials{margin-top:28px}

  /* mermaid: zoomable / pannable diagram viewport */
  .mermaid{padding:0;overflow:hidden;position:relative;cursor:grab}
  .mermaid:active{cursor:grabbing}
  .mermaid svg{width:100%;height:100%;max-width:none;display:block}
  .mermaid-hint{position:absolute;left:14px;bottom:12px;font-size:10.5px;letter-spacing:.04em;color:var(--muted);background:var(--card);border:1px solid var(--line);border-radius:100px;padding:4px 12px;pointer-events:none;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
  .mm-ctrls{position:absolute;top:12px;right:12px;display:flex;flex-direction:column;gap:6px;z-index:2}
  .mm-btn{width:34px;height:34px;border-radius:9px;border:1px solid var(--line);background:var(--card);color:var(--ink);font-size:17px;font-weight:600;line-height:1;display:grid;place-items:center;cursor:pointer;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);box-shadow:0 8px 20px -12px rgba(11,30,63,.5);transition:background .25s,color .25s,transform .25s var(--ease-spring)}
  .mm-btn:hover{background:var(--accent);color:#fff;border-color:var(--accent);transform:translateY(-1px)}
  /* mobile-only caption under a natively-scrollable diagram (created by JS) */
  .mm-swipe-hint{display:flex;justify-content:center;align-items:center;gap:7px;margin:9px 0 2px;
    font-size:11px;letter-spacing:.06em;text-transform:uppercase;font-weight:600;color:var(--muted)}
  .mm-swipe-hint svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;animation:hintSlide 1.8s var(--ease-out) infinite}
  @keyframes hintSlide{0%,100%{transform:translateX(0)}50%{transform:translateX(4px)}}
  @media (prefers-reduced-motion:reduce){.mm-swipe-hint svg{animation:none}}

  /* surface hover lift */
  .card{transition:transform .45s var(--ease-out),box-shadow .45s var(--ease-out),border-color .45s var(--ease-out)}
  .card:hover{transform:translateY(-4px);box-shadow:0 34px 80px -36px rgba(11,30,63,.55);border-color:var(--accent-line)}
  .mail{transition:transform .45s var(--ease-out),box-shadow .45s var(--ease-out)}
  .mail:hover{transform:translateY(-3px);box-shadow:0 30px 70px -34px rgba(11,30,63,.5)}
  .acc{transition:border-color .3s ease,transform .4s var(--ease-out),box-shadow .4s var(--ease-out)}
  .acc:hover{transform:translateY(-2px);box-shadow:0 30px 64px -34px rgba(11,30,63,.5)}
  .mermaid{transition:transform .45s var(--ease-out),box-shadow .45s var(--ease-out)}
  .mermaid:hover{transform:translateY(-3px);box-shadow:0 30px 72px -34px rgba(11,30,63,.5)}

  /* divider upgrade */
  .divider span{box-shadow:0 10px 26px -20px rgba(11,30,63,.5)}
  .divider::before,.divider::after{background:linear-gradient(90deg,transparent,var(--line-strong),transparent)}

  /* scroll reveal (applied only when JS confirms motion is allowed) */
  .reveal-on .reveal{opacity:0;transform:translateY(28px);transition:opacity .8s var(--ease-out),transform .8s var(--ease-out)}
  .reveal-on .reveal.in{opacity:1;transform:none}

  /* hero + topbar entrance */
  @keyframes heroFade{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}
  .reveal-on .topbar{opacity:0;animation:heroFade .7s var(--ease-out) forwards}
  .reveal-on .hero>*{opacity:0;animation:heroFade .9s var(--ease-out) forwards}
  .reveal-on .hero .badge{animation-delay:.05s}
  .reveal-on .hero h1{animation-delay:.13s}
  .reveal-on .hero .sub{animation-delay:.24s}
  .reveal-on .hero .statcard{animation-delay:.34s}
  .reveal-on .hero .stack-strip{animation-delay:.44s}
  .reveal-on .hero .socials{animation-delay:.52s}

  /* premium hero stat card */
  .statcard{display:inline-flex;align-items:stretch;margin:36px auto 0;background:var(--card);border:1px solid var(--line);border-radius:18px;padding:6px;-webkit-backdrop-filter:blur(14px) saturate(140%);backdrop-filter:blur(14px) saturate(140%);box-shadow:0 24px 64px -36px rgba(11,30,63,.55);flex-wrap:wrap;justify-content:center}
  .stat{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:12px 26px;position:relative;min-width:98px}
  .stat+.stat::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);height:42px;width:1px;background:var(--line)}
  .stat-n{font-family:var(--display);font-weight:700;font-size:32px;line-height:1;color:var(--ink);letter-spacing:-.02em}
  .stat-zero{color:var(--accent)}
  .stat-l{margin-top:8px;font-size:11px;letter-spacing:.1em;text-transform:uppercase;font-weight:600;color:var(--muted)}
  @media(max-width:560px){.stat{min-width:82px;padding:10px 16px}.stat-n{font-size:26px}}

  @media (prefers-reduced-motion:reduce){
    #bg{display:none}
    .card:hover,.mail:hover,.acc:hover,.mermaid:hover{transform:none}
  }
  @media(max-width:560px){
    .topbar{top:8px;padding:8px 10px 8px 12px;margin-bottom:26px}
    .stack-strip{gap:10px 12px}
  }

  /* ===== hosted stack: topbar nav + connect / socials ===== */
  .topnav{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
  .topbtn{display:inline-flex;align-items:center;gap:7px;font-family:var(--display);font-size:13px;font-weight:600;color:var(--ink);background:var(--card-solid);border:1px solid var(--line);padding:8px 16px;border-radius:100px;transition:transform .3s var(--ease-spring),box-shadow .3s var(--ease-out),border-color .3s}
  .topbtn:hover{transform:translateY(-2px);border-color:var(--accent-line);box-shadow:0 10px 24px -14px rgba(11,30,63,.5)}
  .socials{display:flex;justify-content:center;gap:14px;margin-top:26px}
  .soc{width:46px;height:46px;border-radius:50%;display:grid;place-items:center;background:var(--ink);color:#fff;border:1px solid var(--ink);transition:transform .35s var(--ease-spring),background .3s,box-shadow .35s var(--ease-out)}
  .soc svg{width:20px;height:20px;fill:currentColor}
  .soc:hover{transform:translateY(-4px);background:var(--accent);box-shadow:0 16px 30px -14px rgba(255,122,26,.7)}

  /* "best on desktop" notice - shown only on small screens, dismissible */
  .mobile-note{display:none}
  @media(max-width:900px){
    .mobile-note{display:flex;align-items:center;gap:11px;margin:0 0 18px;padding:12px 14px;
      background:var(--accent-soft);border:1px solid var(--accent-line);border-radius:14px;
      font-size:13px;line-height:1.45;color:var(--ink-soft)}
    .mobile-note.hide{display:none}
    .mobile-note .ico{flex:0 0 auto;width:20px;height:20px;fill:none;stroke:var(--accent);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
    .mobile-note b{color:var(--ink)}
    .mobile-note__x{flex:0 0 auto;margin-left:auto;width:28px;height:28px;border:none;background:transparent;color:var(--muted);cursor:pointer;display:grid;place-items:center;border-radius:8px;transition:background .2s,color .2s}
    .mobile-note__x svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
    .mobile-note__x:hover{background:rgba(11,30,63,.06);color:var(--ink)}
  }

  /* ===================== Mobile refinement ===================== */
  @media(max-width:900px){
    /* dense flowcharts: svg-pan-zoom traps page scroll on touch, so on small
       screens JS renders the diagram at natural size in a natively-scrollable
       viewport (no pan-zoom, no zoom buttons) and shows the swipe caption. */
    .mermaid{overflow:auto;-webkit-overflow-scrolling:touch;cursor:auto;max-height:74vh;padding:14px;text-align:left}
    .mermaid svg{height:auto}
    .mermaid:hover{transform:none}
    .mm-ctrls,.mermaid-hint{display:none}
    /* tables shrink slightly so most fit; .table-scroll catches any that don't */
    table{font-size:13.5px}
    th,td{padding:10px 11px}
  }
  @media(max-width:600px){
    .topbar{border-radius:22px}
    .topnav{gap:9px}
    .crumb{font-size:10px;letter-spacing:.12em;padding:6px 11px}
  }
  @media(max-width:460px){
    .crumb{display:none}
    .wrap{padding:18px 13px 40px}
    .card{padding:18px}
    .acc summary{gap:12px;padding:15px 14px}
    .acc-num{width:38px;height:38px;font-size:15px}
    .acc-title{font-size:18px}
    .acc-body{padding:4px 15px 16px}
    .note{flex-direction:column;gap:9px}
    .mind .q{font-size:clamp(20px,6.6vw,26px)}
    .socials{gap:11px}
    .soc{width:42px;height:42px}
    th,td{padding:9px 9px}
  }