:root{
    --paper:#F5F3ED;
    --ink:#1C2321;
    --muted:#5B6660;
    --line:#DAD6C8;
    --card:#FFFFFF;
    --accent:#2F4F44;   /* deep sage/teal - calm, clinical */
    --accent-soft:#E4EAE4;
    --amber:#C17F3B;    /* warm human accent, used sparingly */
    --amber-soft:#F3E4D2;
  }
  *{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    margin:0;background:var(--paper);color:var(--ink);
    font-family:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;
    line-height:1.65;
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,.serif{font-family:'Source Serif 4',Georgia,serif}
  .mono{font-family:'JetBrains Mono',monospace;letter-spacing:.02em}

  a{color:inherit}
  img,svg{max-width:100%;display:block}

  /* ===== Masthead ===== */
  .masthead{border-bottom:1px solid var(--line);background:var(--paper)}
  .masthead-inner{
    max-width:760px;margin:0 auto;padding:18px 24px;
    display:flex;align-items:center;justify-content:space-between;
  }
  .brand{font-family:'Source Serif 4',serif;font-weight:700;font-size:19px;letter-spacing:.01em}
  .brand span{color:var(--accent)}
  .kicker-bar{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}

  .wrap{max-width:760px;margin:0 auto;padding:0 24px}

  /* ===== Article meta ===== */
  .eyebrow{
    margin-top:38px;
    display:flex;align-items:center;gap:10px;
    font-family:'JetBrains Mono',monospace;font-size:11.5px;letter-spacing:.09em;text-transform:uppercase;
    color:var(--accent);
  }
  .eyebrow .dot{width:5px;height:5px;border-radius:50%;background:var(--amber)}

  h1.headline{
    font-size:clamp(30px,5vw,44px);font-weight:700;line-height:1.14;
    margin:16px 0 14px;letter-spacing:-.01em;
  }
  .dek{
    font-size:19px;color:var(--muted);font-weight:400;line-height:1.55;
    margin:0 0 26px;max-width:62ch;
  }
  .byline{
    display:flex;gap:14px;align-items:center;padding:16px 0;
    border-top:1px solid var(--line);border-bottom:1px solid var(--line);
    font-size:13px;color:var(--muted);margin-bottom:8px;flex-wrap:wrap;
  }
  .byline b{color:var(--ink)}
  .byline .sep{color:var(--line)}

  /* ===== Signature line-art motif ===== */
  .motif{margin:30px 0 8px}
  .motif svg{width:100%;height:auto}

  /* ===== Article body ===== */
  .article{font-size:18px;color:#2A322E}
  .article p{margin:0 0 20px}
  .lede::first-letter{
    font-family:'Source Serif 4',serif;font-weight:700;font-size:64px;line-height:.78;
    float:left;padding:6px 10px 0 0;color:var(--accent);
  }
  .article h2{
    font-size:26px;font-weight:600;margin:44px 0 16px;line-height:1.28;
    padding-top:6px;
  }
  .article h2 .num{
    display:inline-block;font-family:'JetBrains Mono',monospace;font-size:13px;
    color:var(--amber);letter-spacing:.06em;margin-right:10px;vertical-align:middle;
  }

  .pull{
    margin:34px 0;padding:22px 26px;background:var(--accent-soft);
    border-left:3px solid var(--accent);border-radius:4px;
    font-family:'Source Serif 4',serif;font-style:italic;font-size:20px;
    line-height:1.5;color:#233731;
  }

  /* ===== Progression timeline ===== */
  .timeline{
    margin:26px 0 34px;border:1px solid var(--line);border-radius:10px;
    background:var(--card);overflow:hidden;
  }
  .tl-row{display:flex;border-bottom:1px solid var(--line)}
  .tl-row:last-child{border-bottom:none}
  .tl-stage{
    width:150px;flex-shrink:0;padding:16px 18px;
    font-family:'JetBrains Mono',monospace;font-size:12px;letter-spacing:.05em;
    text-transform:uppercase;color:var(--accent);border-right:1px solid var(--line);
    display:flex;align-items:center;
  }
  .tl-desc{padding:16px 20px;font-size:15.5px;color:#3A423D;display:flex;align-items:center}

  /* ===== Symptom checklist ===== */
  .checklist{
    margin:22px 0 36px;border:1px solid var(--line);border-radius:10px;
    background:var(--card);padding:8px;
  }
  .check-item{
    display:flex;align-items:flex-start;gap:14px;padding:14px 16px;
    border-bottom:1px solid var(--line);
  }
  .check-item:last-child{border-bottom:none}
  .box{
    width:19px;height:19px;border:1.5px solid var(--muted);border-radius:5px;
    flex-shrink:0;margin-top:2px;
  }
  .check-item span{font-size:15.5px;color:#2A322E}

  /* ===== CTA block ===== */
  .cta-block{
    margin:44px 0 20px;padding:36px 30px;background:var(--ink);color:var(--paper);
    border-radius:14px;text-align:center;
  }
  .cta-block .eyebrow{color:#B9CDBF;justify-content:center}
  .cta-block h3{
    font-family:'Source Serif 4',serif;font-size:26px;font-weight:600;
    margin:14px 0 12px;line-height:1.3;
  }
  .cta-block p{color:#C7D0CB;font-size:15.5px;max-width:48ch;margin:0 auto 24px}
  .btn{
    display:inline-flex;align-items:center;gap:10px;
    background:var(--amber);color:#1C2321;font-weight:700;font-size:16px;
    padding:15px 30px;border-radius:999px;text-decoration:none;
    box-shadow:0 6px 20px rgba(193,127,59,.35);transition:transform .15s ease;
  }
  .btn:hover{transform:translateY(-1px)}
  .btn svg{width:18px;height:18px}
  .cta-sub{margin-top:14px;font-size:12.5px;color:#8A968F;font-family:'JetBrains Mono',monospace}

  .divider{height:1px;background:var(--line);margin:40px 0}

  footer{
    max-width:760px;margin:20px auto 60px;padding:22px 24px 0;
    border-top:1px solid var(--line);
  }
  footer p{font-size:12.5px;color:var(--muted);line-height:1.6;margin:0 0 10px}

  @media(max-width:600px){
    .tl-row{flex-direction:column}
    .tl-stage{width:100%;border-right:none;border-bottom:1px solid var(--line);padding-bottom:8px}
    .article{font-size:17px}
    .lede::first-letter{font-size:52px}
  }