:root{
    --navy-0:#070f1f;
    --navy-1:#0b1a34;
    --navy-2:#101f40;
    --panel:#0d2044;
    --line:rgba(232,240,255,0.09);
    --line-strong:rgba(232,240,255,0.18);
    --text-0:#eef2fb;
    --text-1:#a9b8d6;
    --text-2:#6f81a6;
    --amber:#e8a33d;
    --amber-dim:rgba(232,163,61,0.16);
    --signal:#5b8def;
    --signal-dim:rgba(91,141,239,0.14);
    --ok:#48d99a;
    --bad:#e3705d;
    --serif:'Space Grotesk',sans-serif;
    --mono:'IBM Plex Mono',monospace;
    --sans:'Inter',sans-serif;
    --maxw:1080px;
    --sp:0;
  }
  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{margin:0;background:var(--navy-0);color:var(--text-0);font-family:var(--sans);line-height:1.6;overflow-x:hidden;}
  a{color:inherit;}
  ::selection{background:var(--amber);color:var(--navy-0);}

  #grid{position:fixed;inset:0;z-index:0;pointer-events:none;
    background-image:linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
    background-size:42px 42px;
    mask-image:radial-gradient(ellipse 80% 60% at 50% 0%, black 0%, transparent 75%);
    opacity:.5;}
  #glow{position:fixed;inset:0;z-index:0;pointer-events:none;
    background:radial-gradient(600px 400px at var(--gx,50%) var(--gy,20%), rgba(91,141,239,0.10), transparent 60%);
    transition:background .3s ease;}
  #progress{position:fixed;top:0;left:0;height:2px;background:linear-gradient(90deg,var(--amber),var(--signal));width:0%;z-index:50;transition:width .1s linear;}

  .wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px;position:relative;z-index:1;}
  section{position:relative;z-index:1;padding:100px 0;border-top:1px solid var(--line);}
  section:first-of-type{border-top:none;}
  .eyebrow{font-family:var(--mono);font-size:12px;color:var(--text-2);margin:0 0 14px;}
  .eyebrow .path{color:var(--amber);}
  h2.section-title{font-family:var(--serif);font-weight:600;font-size:clamp(24px,3.4vw,36px);margin:0 0 18px;max-width:680px;}
  p.lead{color:var(--text-1);font-size:16.5px;max-width:620px;margin:0 0 8px;}

  .reveal{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1);}
  .reveal.in{opacity:1;transform:translateY(0);}
  .reveal-left{opacity:0;transform:translateX(-24px);transition:opacity .7s ease, transform .7s ease;}
  .reveal-left.in{opacity:1;transform:translateX(0);}
  .reveal-right{opacity:0;transform:translateX(24px);transition:opacity .7s ease, transform .7s ease;}
  .reveal-right.in{opacity:1;transform:translateX(0);}

  /* ============ HERO ============ */
  #hero{min-height:100svh;display:flex;flex-direction:column;justify-content:center;padding:120px 0 80px;}
  .term{font-family:var(--mono);font-size:12.5px;color:var(--ok);min-height:110px;margin-bottom:22px;}
  .term .caret{display:inline-block;width:7px;height:14px;background:var(--ok);margin-left:2px;vertical-align:-2px;animation:blink 1s steps(1) infinite;}
  @keyframes blink{50%{opacity:0;}}
  .term-line{white-space:pre-wrap;opacity:0;}
  .term-line.show{opacity:1;}
  .term-line .dim{color:var(--text-2);}
  .term-line .warn{color:var(--bad);}

  .hero-kicker{font-family:var(--mono);font-size:12.5px;color:var(--text-2);margin-bottom:16px;}
  h1.hero-h{font-family:var(--serif);font-weight:700;font-size:clamp(30px,5vw,54px);line-height:1.1;margin:0 0 22px;max-width:820px;}
  p.hero-sub{color:var(--text-1);font-size:17px;max-width:600px;margin:0 0 30px;}
  p.hero-sub b{color:var(--text-0);font-weight:600;}
  .hero-ctas{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:56px;}
  .btn{font-family:var(--mono);font-size:13.5px;font-weight:500;padding:13px 22px;border-radius:6px;border:1px solid var(--line-strong);cursor:pointer;display:inline-flex;align-items:center;gap:10px;text-decoration:none;transition:border-color .2s ease, transform .15s ease, background .2s ease;background:transparent;color:var(--text-0);}
  .btn:hover{transform:translateY(-1px);border-color:var(--amber);}
  .btn.primary{background:var(--amber);color:var(--navy-0);border-color:var(--amber);}
  .btn.primary:hover{background:#f2b356;}

  /* chaos -> order diagram */
  #flow-wrap{border:1px solid var(--line-strong);border-radius:10px;background:var(--panel);padding:24px 20px 16px;}
  #flow-svg{width:100%;height:auto;display:block;}
  .chaos-icon{fill:var(--navy-2);stroke:var(--bad);stroke-width:1.3;opacity:.85;}
  .chaos-label{font-family:var(--mono);font-size:10.5px;fill:var(--text-2);}
  .core-node{fill:var(--amber-dim);stroke:var(--amber);stroke-width:1.6;}
  .core-label{font-family:var(--mono);font-size:12px;fill:var(--amber);}
  .order-icon{fill:var(--navy-2);stroke:var(--ok);stroke-width:1.3;}
  .order-label{font-family:var(--mono);font-size:10.5px;fill:var(--text-1);}
  .flow-path{stroke:var(--text-2);stroke-width:1.2;fill:none;stroke-dasharray:900;opacity:.7;}
  .flow-legend{display:flex;justify-content:space-between;font-family:var(--mono);font-size:11px;color:var(--text-2);padding:6px 6px 2px;}
  .flow-legend .bad{color:var(--bad);}
  .flow-legend .good{color:var(--ok);}

  /* ============ CHALLENGES ============ */
  .challenge-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line-strong);border:1px solid var(--line-strong);border-radius:8px;overflow:hidden;margin-top:36px;}
  @media(max-width:860px){.challenge-grid{grid-template-columns:1fr;}}
  .challenge-cell{background:var(--panel);padding:26px 22px;}
  .challenge-cell .tag{font-family:var(--mono);font-size:11px;color:var(--bad);margin-bottom:10px;}
  .challenge-cell h3{font-family:var(--serif);font-size:16.5px;font-weight:600;margin:0 0 8px;}
  .challenge-cell p{font-size:13.5px;color:var(--text-2);margin:0 0 14px;line-height:1.55;}
  .challenge-cell .fix{font-size:12.5px;color:var(--ok);border-top:1px dashed var(--line);padding-top:12px;}
  .challenge-cell .fix b{color:var(--text-0);}

  /* summary / identity */
  .summary-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:start;margin-top:36px;}
  @media(max-width:820px){.summary-grid{grid-template-columns:1fr;}}
  .summary-grid p{color:var(--text-1);font-size:15.5px;margin:0 0 16px;}
  .summary-grid strong{color:var(--text-0);font-weight:600;}
  .id-card{border:1px solid var(--line-strong);border-radius:8px;padding:22px;background:var(--panel);}
  .id-row{display:flex;justify-content:space-between;gap:12px;padding:9px 0;border-bottom:1px dashed var(--line);font-family:var(--mono);font-size:13px;}
  .id-row:last-child{border-bottom:none;}
  .id-row span:first-child{color:var(--text-2);}
  .id-row span:last-child{color:var(--text-0);text-align:right;}

  /* node graph */
  #graph-wrap{margin-top:40px;border:1px solid var(--line-strong);border-radius:10px;background:radial-gradient(ellipse at 50% 30%, rgba(91,141,239,0.06), transparent 60%), var(--panel);padding:20px;}
  #graph{width:100%;height:auto;display:block;}
  .node-label{font-family:var(--mono);font-size:11px;fill:var(--text-1);}
  .node-label.core{fill:var(--amber);font-size:12px;}
  .edge{stroke:var(--signal);stroke-width:1.4;fill:none;opacity:.55;stroke-dasharray:6 5;}
  .edge-pulse{stroke:var(--amber);stroke-width:2;fill:none;stroke-dasharray:4 260;filter:drop-shadow(0 0 4px rgba(232,163,61,.7));}
  .node-circle{fill:var(--navy-2);stroke:var(--line-strong);stroke-width:1.4;}
  .node-circle.core{fill:var(--amber-dim);stroke:var(--amber);}

  /* spec sheet grid */
  .spec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line-strong);border:1px solid var(--line-strong);border-radius:8px;overflow:hidden;margin-top:36px;}
  @media(max-width:860px){.spec-grid{grid-template-columns:repeat(2,1fr);}}
  @media(max-width:560px){.spec-grid{grid-template-columns:1fr;}}
  .spec-cell{background:var(--panel);padding:22px 20px;}
  .spec-cell h3{font-family:var(--serif);font-size:15px;font-weight:600;margin:0 0 4px;color:var(--text-0);}
  .spec-cell .spec-tools{font-family:var(--mono);font-size:12.5px;color:var(--amber);margin:0 0 10px;line-height:1.5;}
  .spec-cell p{font-size:13px;color:var(--text-2);margin:0;line-height:1.55;}

  /* timeline w/ scroll-linked drawing line */
  .timeline{position:relative;margin-top:44px;padding-left:26px;}
  .timeline::before{content:'';position:absolute;left:0;top:4px;bottom:4px;width:1px;background:var(--line-strong);}
  .timeline::after{content:'';position:absolute;left:0;top:4px;width:1px;background:var(--amber);height:calc(var(--sp,0) * 100%);transition:height .05s linear;}
  .commit{position:relative;padding-bottom:44px;}
  .commit:last-child{padding-bottom:0;}
  .commit::before{content:'';position:absolute;left:-31px;top:4px;width:11px;height:11px;border-radius:50%;background:var(--navy-0);border:2px solid var(--amber);}
  .commit-date{font-family:var(--mono);font-size:12px;color:var(--signal);margin-bottom:6px;}
  .commit h3{font-family:var(--serif);font-size:19px;font-weight:600;margin:0 0 2px;}
  .commit .org{font-size:13.5px;color:var(--text-2);margin-bottom:12px;}
  .commit ul{margin:0;padding-left:18px;color:var(--text-1);font-size:14.5px;}
  .commit li{margin-bottom:8px;}
  .commit li b{color:var(--text-0);font-weight:600;}

  /* results as animated bar graph */
  .bar-results{margin-top:44px;display:flex;flex-direction:column;gap:26px;}
  .bar-row{display:grid;grid-template-columns:220px 1fr 110px;gap:16px;align-items:center;}
  @media(max-width:700px){.bar-row{grid-template-columns:1fr;gap:6px;}}
  .bar-row .b-label{font-family:var(--mono);font-size:12.5px;color:var(--text-1);}
  .bar-track{height:10px;background:var(--panel);border:1px solid var(--line-strong);border-radius:6px;overflow:hidden;}
  .bar-fill{height:100%;border-radius:6px;background:linear-gradient(90deg,var(--signal),var(--amber));width:calc(var(--sp,0) * var(--target,100%));transition:width .05s linear;}
  .bar-row .b-val{font-family:var(--serif);font-weight:700;color:var(--amber);text-align:right;font-size:16px;}
  .bar-proj{grid-column:1/-1;font-size:12.5px;color:var(--text-2);margin-top:-8px;}

  /* before/after comparison */
  .compare{display:grid;grid-template-columns:1fr auto 1fr;gap:18px;align-items:center;margin-top:40px;}
  @media(max-width:700px){.compare{grid-template-columns:1fr;}}
  .compare-card{border:1px solid var(--line-strong);border-radius:8px;background:var(--panel);padding:22px;text-align:center;}
  .compare-card .c-label{font-family:var(--mono);font-size:11.5px;color:var(--text-2);margin-bottom:10px;}
  .compare-card .c-val{font-family:var(--serif);font-weight:700;font-size:clamp(28px,4vw,40px);}
  .compare-card.before .c-val{color:var(--bad);}
  .compare-card.after .c-val{color:var(--ok);}
  .compare-arrow{font-family:var(--mono);color:var(--text-2);font-size:22px;}

  /* resume + call */
  .split{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:32px;}
  @media(max-width:820px){.split{grid-template-columns:1fr;}}
  .panel-box{border:1px solid var(--line-strong);border-radius:8px;background:var(--panel);padding:26px;}
  .panel-box h3{font-family:var(--serif);font-size:17px;margin:0 0 8px;}
  .panel-box p{color:var(--text-1);font-size:13.5px;margin:0 0 18px;}
  .pdf-frame{width:100%;height:360px;border:0;border-radius:6px;border:1px solid var(--line);margin-bottom:16px;background:#fff;}
  .cal-frame{width:100%;height:640px;border:0;border-radius:6px;border:1px solid var(--line);background:#fff;}

  footer{padding:56px 0 80px;text-align:center;}
  footer .fname{font-family:var(--serif);font-weight:600;font-size:18px;}
  footer .flinks{font-family:var(--mono);font-size:12.5px;color:var(--text-2);margin-top:10px;display:flex;justify-content:center;gap:18px;flex-wrap:wrap;}
  footer .flinks a:hover{color:var(--amber);}
  footer .fref{margin-top:26px;font-size:12px;color:var(--text-2);}

  @media (prefers-reduced-motion: reduce){*{animation:none !important;transition:none !important;}}