:root{
    --ink:#1d2a30;--ink-soft:#2b3a42;--paper:#f5f2ec;--card:#ffffff;--line:#e3ddd2;
    --muted:#5c6670;--muted-2:#8a9099;--coral:#e0603f;--coral-ink:#9a3a22;--coral-tint:#fbeae3;
    --teal:#137a63;--teal-ink:#0a4d3e;--teal-tint:#e2f0eb;
    --radius:14px;--radius-lg:20px;--read:740px;
    --display:"Space Grotesk",system-ui,sans-serif;--body:"Inter",system-ui,sans-serif;--mono:"IBM Plex Mono",ui-monospace,monospace;
  }
  *{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{margin:0;font-family:var(--body);color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased;line-height:1.55;font-size:16px}
  h1,h2,h3,h4{font-family:var(--display);font-weight:600;line-height:1.1;margin:0;letter-spacing:-0.01em}
  p{margin:0}a{color:inherit;text-decoration:none}img{max-width:100%}
  .wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
  .read{max-width:var(--read);margin:0 auto;padding:0 24px}
  .eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-2)}
  .btn{display:inline-flex;align-items:center;gap:8px;font-family:var(--display);font-weight:600;font-size:15px;padding:13px 22px;border-radius:999px;border:1.5px solid transparent;cursor:pointer;transition:transform .15s ease,background .15s ease;background:none}
  .btn:active{transform:scale(.98)}
  .btn-coral{background:var(--coral);color:#fff}.btn-coral:hover{background:#cf512f}
  .btn-teal{background:var(--teal);color:#fff}.btn-teal:hover{background:#0f6a55}
  .btn-ghost{border-color:rgba(29,42,48,.25);color:var(--ink)}.btn-ghost:hover{background:rgba(29,42,48,.05)}
  .btn-ghost-light{border-color:rgba(255,255,255,.4);color:#fff}.btn-ghost-light:hover{background:rgba(255,255,255,.1)}
  .btn-sm{font-size:13.5px;padding:10px 16px;justify-content:center}
  :focus-visible{outline:3px solid var(--teal);outline-offset:2px;border-radius:6px}

  /* shared nav/footer */
  .utility{background:var(--ink);color:#d7dde0;font-size:12.5px;font-family:var(--mono);letter-spacing:.05em}
  .utility .wrap{display:flex;justify-content:flex-end;gap:22px;padding:9px 24px}
  .utility a:hover{color:#fff}
  nav.main{background:var(--ink);color:#fff;border-bottom:1px solid rgba(255,255,255,.08);position:sticky;top:0;z-index:40}
  nav.main .wrap{display:flex;align-items:center;gap:28px;padding:16px 24px}
  .logo{display:flex;align-items:center;gap:11px;font-family:var(--display);font-weight:700;font-size:18px;letter-spacing:-.02em}
  .logo .mark{width:32px;height:32px;border-radius:9px;background:var(--coral);display:grid;place-items:center;font-size:15px;color:#fff}
  .logo small{display:block;font-family:var(--mono);font-weight:400;font-size:9.5px;letter-spacing:.16em;color:var(--muted-2);text-transform:uppercase;margin-top:1px}
  .nav-links{display:flex;gap:24px;margin-left:8px;font-size:15px;font-weight:500}
  .nav-links a{color:#cdd4d8;position:relative}.nav-links a:hover{color:#fff}
  .nav-links a.active{color:#fff}
  .nav-links a.active::after{content:"";position:absolute;left:0;right:0;bottom:-20px;height:2px;background:var(--coral)}
  .nav-right{margin-left:auto;display:flex;align-items:center;gap:14px}
  .icon-btn{width:38px;height:38px;border-radius:50%;border:1px solid rgba(255,255,255,.18);display:grid;place-items:center;color:#fff;background:none;cursor:pointer}
  .icon-btn:hover{background:rgba(255,255,255,.1)}
  .cart-dot{position:relative}
  .cart-dot b{position:absolute;top:-4px;right:-4px;background:var(--coral);color:#fff;font-size:10px;font-family:var(--mono);min-width:16px;height:16px;border-radius:9px;display:grid;place-items:center;padding:0 3px}

  /* reading progress bar */
  .progress{position:fixed;top:0;left:0;height:3px;background:var(--coral);width:0;z-index:50;transition:width .1s linear}

  /* article header (ink) */
  .arthead{background:var(--ink);color:#fff;padding:34px 0 50px}
  .arthead .crumbs{font-family:var(--mono);font-size:12px;letter-spacing:.04em;color:#7e8a91;display:flex;gap:9px;align-items:center;flex-wrap:wrap;margin-bottom:26px}
  .arthead .crumbs a{color:#aeb8be;display:inline-flex;align-items:center;min-height:24px}.arthead .crumbs a:hover{color:#fff}.arthead .crumbs .sep{opacity:.5}
  .arthead .cat{font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:#f08c6f}
  .arthead h1{font-size:clamp(30px,4.2vw,48px);font-weight:700;margin:14px 0 18px;line-height:1.08}
  .arthead .dek{color:#bcc6cc;font-size:19px;line-height:1.5;max-width:60ch}
  .arthead .meta{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:28px;font-family:var(--mono);font-size:12.5px;color:#9aa4ab;letter-spacing:.02em}
  .arthead .meta .who{display:flex;align-items:center;gap:10px}
  .arthead .meta .av{width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,var(--teal),#1aa183);display:grid;place-items:center;font-family:var(--mono);font-size:12px;color:#fff;flex:none}
  .arthead .meta .who b{display:block;font-family:var(--display);font-weight:600;font-size:14px;color:#fff;letter-spacing:0}
  .arthead .meta .sep{opacity:.4}
  .arthead .meta .share{margin-left:auto;display:flex;gap:8px}
  /* Icon AND label: a fixed 34px circle with place-items:center stacked the two on
     top of each other and pushed "Share" out of the button. Sized to its content. */
  .arthead .meta .share button{display:inline-flex;align-items:center;gap:7px;
    padding:8px 15px;border-radius:999px;border:1px solid rgba(255,255,255,.18);
    background:none;color:#cdd4d8;cursor:pointer;white-space:nowrap;
    font:inherit;font-size:13.5px;line-height:1;
    transition:background .15s,color .15s,border-color .15s}
  .arthead .meta .share button svg{flex:none}
  .arthead .meta .share button:hover{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.34)}
  .arthead .meta .share button:active{transform:scale(.97)}

  /* body */
  .artbody{padding:54px 0 70px}
  .takeaways{background:var(--teal-tint);border:1px solid #bcd9cf;border-radius:var(--radius-lg);padding:24px 26px;margin-bottom:38px}
  .takeaways h4{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--teal-ink);margin-bottom:14px;font-weight:500}
  .takeaways ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:11px}
  .takeaways li{position:relative;padding-left:28px;font-size:15px;color:var(--teal-ink)}
  .takeaways li svg{position:absolute;left:0;top:4px;color:var(--teal)}

  .prose{font-size:17.5px;line-height:1.72;color:#283238}
  .prose p{margin:0 0 20px}
  .prose h2{font-size:25px;margin:42px 0 14px}
  .prose h3{font-size:19px;margin:30px 0 10px}
  .prose ul{margin:0 0 20px;padding-left:4px;list-style:none}
  .prose ul li{position:relative;padding-left:24px;margin-bottom:11px}
  .prose ul li::before{content:"";position:absolute;left:2px;top:11px;width:7px;height:7px;border-radius:50%;background:var(--coral)}
  .prose strong{color:var(--ink);font-weight:600}
  .prose a.inlink{color:var(--coral-ink);text-decoration:underline;text-underline-offset:2px}
  .prose a.inlink:hover{color:var(--coral)}

  .pullquote{font-family:var(--display);font-weight:600;font-size:25px;line-height:1.3;color:var(--ink);border-left:3px solid var(--coral);padding:6px 0 6px 24px;margin:36px 0}

  /* inline related test (signature) */
  .inlinetest{background:var(--ink);color:#fff;border-radius:var(--radius-lg);padding:24px 26px;margin:38px 0;display:flex;align-items:center;gap:20px;flex-wrap:wrap}
  .inlinetest .l{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:#f08c6f}
  .inlinetest h4{font-size:19px;margin:6px 0 4px}
  .inlinetest p{font-size:13.5px;color:#aeb8be}
  .inlinetest .price{font-family:var(--display);font-weight:700;font-size:22px;margin-left:auto}
  .inlinetest .btn{flex:none}
  .inlinetest .grow{flex:1;min-width:220px}

  figure.chart{margin:34px 0;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;background:#fff}
  figure.chart .top{padding:20px 22px 6px}
  figure.chart .top .t{font-family:var(--display);font-weight:600;font-size:15px}
  figure.chart .top .s{font-family:var(--mono);font-size:11px;color:var(--muted-2);margin-top:3px;letter-spacing:.03em}
  figure.chart figcaption{font-size:12.5px;color:var(--muted-2);padding:0 22px 18px}

  /* reviewer card */
  .reviewer{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px;margin:46px 0 8px;display:flex;gap:16px;align-items:flex-start}
  .reviewer .av{width:54px;height:54px;border-radius:50%;background:linear-gradient(135deg,var(--teal),#1aa183);display:grid;place-items:center;font-family:var(--mono);font-size:16px;color:#fff;flex:none}
  .reviewer .rl{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--teal-ink)}
  .reviewer h3{font-size:17px;margin:5px 0 2px}
  .reviewer .role{font-size:13px;color:var(--muted-2);font-family:var(--mono);margin-bottom:9px}
  .reviewer p{font-size:14px;color:var(--muted)}

  .refs{margin-top:40px;padding-top:26px;border-top:1px solid var(--line)}
  .refs h4{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted-2);margin-bottom:14px;font-weight:500}
  .refs ol{margin:0;padding-left:20px;color:var(--muted);font-size:13.5px;line-height:1.6}
  .refs li{margin-bottom:8px}
  .tags{display:flex;gap:9px;flex-wrap:wrap;margin-top:30px}
  .tag{font-family:var(--mono);font-size:12px;color:var(--muted);border:1px solid var(--line);background:#fff;padding:7px 13px;border-radius:999px}

  /* related */
  .related{background:#fff;border-top:1px solid var(--line);padding:74px 0}
  .related .eyebrow{margin-bottom:8px}
  .related h2{font-size:clamp(24px,3vw,34px);margin-bottom:34px}
  .rgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
  .acard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;display:flex;flex-direction:column;transition:transform .18s ease,box-shadow .18s ease}
  .acard:hover{transform:translateY(-3px);box-shadow:0 12px 30px -18px rgba(29,42,48,.35)}
  .acard .cat{font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--coral-ink)}
  .acard h3{font-size:18px;margin:11px 0 9px;line-height:1.2}
  .acard .ex{font-size:14px;color:var(--muted);flex:1}
  .acard .foot{margin-top:16px;padding-top:14px;border-top:1px solid var(--line);font-family:var(--mono);font-size:11.5px;color:var(--muted-2)}

  /* final cta */
  .final{background:var(--ink);color:#fff;text-align:center;padding:80px 0}
  .final h2{font-size:clamp(28px,3.6vw,42px)}
  .final p{color:#aeb8be;font-size:17px;margin:16px auto 0;max-width:44ch}
  .final .doors{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:28px}

  /* footer */
  footer{background:#16222a;color:#9aa4ab;font-size:14px}
  footer .wrap{padding:56px 24px 30px}
  .fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
  footer h4{color:#fff;font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;margin-bottom:16px;font-weight:500}
  footer ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px}
  footer a:hover{color:#fff}
  .fbottom{border-top:1px solid rgba(255,255,255,.1);margin-top:40px;padding-top:22px;font-size:12.5px;color:#7a858c;line-height:1.6}

  @media(max-width:960px){
    .rgrid{grid-template-columns:1fr}
    .fgrid{grid-template-columns:1fr 1fr}
    .nav-links{display:none}.nav-links a.active::after{display:none}
    .arthead .meta .share{margin-left:0;width:100%}
  }
  @media(max-width:560px){.fgrid{grid-template-columns:1fr}.utility{display:none}.inlinetest .price{margin-left:0}}
  @media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto}}


.emblem-mark svg{width:100%;height:100%;display:block}
.emblem-mark .a{fill:var(--teal)}.emblem-mark .b{fill:var(--ink)}.emblem-mark .s{fill:var(--coral)}
.emblem-mark.rev .a{fill:#2f9c82}.emblem-mark.rev .b{fill:#e8e2d6}.emblem-mark.rev .s{fill:var(--coral)}
.logo .emblem-mark{width:34px;height:34px;flex:none}
.nav-links a.active{color:#fff}
.flogo{display:flex;align-items:center;gap:10px;font-family:var(--display);font-weight:700;color:#fff}
.flogo .emblem-mark{width:30px;height:30px}
.ftag{margin-top:16px;max-width:32ch;line-height:1.6}
.fsocials{margin-top:22px}
.fsoc-lbl{font-family:var(--display);font-weight:600;color:#fff;font-size:14px}
.fsoc-line{font-size:12.5px;color:#7f8a91;margin:3px 0 12px}
.fsoc-row{display:flex;gap:10px}
.fsoc{width:40px;height:40px;border-radius:50%;border:1px solid rgba(255,255,255,.18);display:grid;place-items:center;color:#cdd4d8;transition:transform .18s,background .18s,border-color .18s,color .18s}
.fsoc:hover{transform:translateY(-3px);color:#fff}
.fsoc.coral:hover{background:var(--coral);border-color:var(--coral)}
.fsoc.teal:hover{background:var(--teal);border-color:var(--teal)}
.fdisc{font-size:12.5px;color:#7a858c;line-height:1.6;max-width:80ch}
.fmeta{display:flex;flex-wrap:wrap;gap:6px 18px;align-items:center;margin-top:16px;font-family:var(--mono);font-size:11.5px;letter-spacing:.03em;color:#8a949b}
.fmeta a:hover{color:#fff}.fmeta .copy{margin-left:auto}
@media(max-width:780px){.fmeta .copy{margin-left:0}}

  /* An avatar holds either initials or a photo. The photo fills the circle. */
  .arthead .meta .av img,
  .reviewer .av img{width:100%;height:100%;border-radius:50%;object-fit:cover;display:block}
  .arthead .meta .av:has(img),
  .reviewer .av:has(img){background:none}