/* Shared style for the option-C site (preview, 2026-10-02). Source: home-v3.html. */
    :root {
      --ink: #15202b; --body: #4a5762; --muted: #5b6975; --line: #e2e9ec; --alt: #f9fafb;
      --blue: #0369a1; --sky: #0e9bd6; --green: #059669; --amber: #b45f1c; --panel: #16202b;
      --pad: 32px; --maxw: 1180px;
    }
    * { box-sizing: border-box; }
    html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
    [id] { scroll-margin-top: 74px; }
    body { margin: 0; overflow-x: hidden; background: #fff; color: var(--ink); font-family: 'IBM Plex Sans', system-ui, sans-serif; line-height: 1.55; -webkit-font-smoothing: antialiased; }
    a { text-decoration: none; color: inherit; }
    img, svg { max-width: 100%; }
    .wrap { max-width: var(--maxw); margin: 0 auto; padding-left: var(--pad); padding-right: var(--pad); }
    .sec { padding-top: 80px; padding-bottom: 80px; }
    .alt { background: var(--alt); border-top: 1px solid #eef1f4; border-bottom: 1px solid #eef1f4; }
    .eyebrow { font-family: 'IBM Plex Mono', monospace; font-size: 12px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--blue); margin-bottom: 12px; }
    h1, h2 { font-family: 'Spectral', Georgia, serif; font-weight: 600; letter-spacing: -.01em; margin: 0; }
    h2 { font-size: clamp(26px, 2.9vw, 38px); line-height: 1.14; margin-bottom: 14px; }
    .lead { font-size: clamp(15px, 1.05vw, 17px); color: var(--body); margin: 0; }
    .btn { display: inline-block; font-size: 15px; font-weight: 600; padding: 12px 22px; border-radius: 9px; white-space: nowrap; transition: background .2s ease, border-color .2s ease; }
    .btn-primary { color: #fff; background: var(--blue); box-shadow: 0 6px 18px -8px var(--blue); }
    .btn-primary:hover { background: #075985; }
    .btn-ghost { color: var(--blue); background: #fff; border: 1px solid #b9d3e2; }
    .btn-ghost:hover { border-color: var(--blue); }

    /* ---------- nav ---------- */
    .nav { position: sticky; top: 0; z-index: 40; background: rgba(255,255,255,.9); backdrop-filter: blur(12px); border-bottom: 1px solid rgba(20,32,43,.06); }
    .nav-in { display: flex; align-items: center; gap: 28px; padding-top: 13px; padding-bottom: 13px; position: relative; }
    .brand { display: flex; align-items: center; gap: 10px; }
    .brand b { font-family: 'Spectral', Georgia, serif; font-size: 24px; font-weight: 600; }
    .brand i { font-style: normal; font-family: 'IBM Plex Mono', monospace; font-size: 9px; font-weight: 600; color: var(--sky); }
    .nav-links { flex: 1; display: flex; justify-content: center; gap: 26px; font-size: 14px; color: #45525d; }
    .nav-links a:hover { color: var(--blue); }
    .nav .btn { font-size: 13.5px; padding: 9px 17px; margin-left: auto; }
    .burger { display: none; background: none; border: 0; padding: 6px; cursor: pointer; }
    .menu { display: none; }

    /* ---------- hero ---------- */
    .hero { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; padding-top: 60px; padding-bottom: 64px; }
    .pill { display: inline-flex; align-items: center; gap: 9px; border: 1px solid #e0e8ec; border-radius: 30px; padding: 6px 14px; margin-bottom: 22px; font-family: 'IBM Plex Mono', monospace; font-size: 10.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--blue); }
    .pill::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--sky); flex: none; }
    h1 { font-size: clamp(28px, 2.9vw, 40px); line-height: 1.12; margin-bottom: 18px; }
    /* solid brand blue, same as the homepage (owner 2026-10-03: no gradient) */
    h1 em { font-style: normal; color: var(--blue); }
    .roles { display: flex; gap: 7px; flex-wrap: wrap; margin-top: 18px; }
    .roles span { font-family: 'IBM Plex Mono', monospace; font-size: 11px; color: #45525d; background: #f4f8f9; border: 1px solid var(--line); border-radius: 20px; padding: 3px 10px; }
    .hero-cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }

    /* the crew card: one row works at a time, then reports done */
    .crew { background: var(--panel); border-radius: 16px; padding: 18px 18px 14px; color: #dbe2e8; box-shadow: 0 30px 70px -32px rgba(20,32,43,.6); }
    .crew-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; font-family: 'IBM Plex Mono', monospace; font-size: 11px; letter-spacing: .1em; text-transform: uppercase; }
    .crew-head b { color: #f4f7f8; font-weight: 600; }
    .crew-head span { color: #4ade80; display: inline-flex; align-items: center; gap: 7px; }
    .crew-head span::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: #4ade80; }
    .row { display: grid; grid-template-columns: 30px 1fr auto; gap: 12px; align-items: center; padding: 10px 10px; border-radius: 10px; border: 1px solid transparent; transition: background .2s ease, border-color .2s ease; }
    .row + .row { margin-top: 3px; }
    .row img { width: 30px; height: 30px; border-radius: 7px; display: block; background: #fff; }
    .row-name { font-size: 14px; font-weight: 600; color: #f4f7f8; }
    .row-status { font-family: 'IBM Plex Mono', monospace; font-size: 11.5px; color: #8a97a2; margin-top: 1px; }
    .dot { width: 8px; height: 8px; border-radius: 50%; background: #3b4b59; transition: background .2s ease; }
    .row.on { background: #1d2a36; border-color: #2c3e4d; }
    .row.on .dot { background: var(--sky); animation: pulse 1s ease-in-out infinite; }
    .row.on .row-status { color: #9fd8f2; }
    .row.done .dot { background: #4ade80; }
    .row.done .row-status { color: #b6c2cc; }
    .row.flag .dot { background: #f59e0b; }
    .row.flag .row-status { color: #fcd34d; }
    @keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .3; } }
    .crew-tick { margin-top: 10px; border-top: 1px solid #243240; padding-top: 10px; font-family: 'IBM Plex Mono', monospace; font-size: 11.5px; color: #6f7d89; min-height: 30px; display: flex; align-items: center; gap: 8px; }
    .crew-tick b { font-weight: 500; color: #4ade80; opacity: 0; transition: opacity .2s ease; }
    .crew-tick.show b { opacity: 1; }
    .crew-note { font-size: 13px; color: var(--muted); margin: 12px 0 0 4px; }

    /* ---------- agents list ---------- */
    .agents { margin-top: 30px; display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
    .agent { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 20px 18px; box-shadow: 0 1px 3px rgba(20,32,43,.05); }
    .agent img { width: 44px; height: 44px; border-radius: 9px; display: block; margin-bottom: 14px; }
    .agent b { display: block; font-size: 15px; margin-bottom: 6px; }
    .agent p { font-size: 13.5px; color: var(--muted); margin: 0; }
    .more { display: inline-block; margin-top: 18px; font-size: 14px; font-weight: 600; color: var(--blue); }

    /* ---------- the file ---------- */
    .file { display: grid; grid-template-columns: 1.35fr .9fr; gap: 48px; align-items: center; margin-top: 30px; }
    .shot { border: 1px solid var(--line); border-radius: 14px; overflow: hidden; box-shadow: 0 26px 60px -34px rgba(20,32,43,.5); background: #fff; }
    .shot img { display: block; width: 100%; height: auto; }
    .shot-cap { font-family: 'IBM Plex Mono', monospace; font-size: 11px; color: var(--muted); margin-top: 10px; }
    .steps { list-style: none; padding: 0; margin: 0 0 24px; }
    .steps li { display: grid; grid-template-columns: 28px 1fr; gap: 10px; padding: 11px 0; border-bottom: 1px solid #eef2f4; font-size: 15px; }
    .steps li:last-child { border-bottom: 0; }
    .steps span { font-family: 'IBM Plex Mono', monospace; font-size: 12px; font-weight: 600; color: var(--blue); padding-top: 2px; }

    .drop { position: relative; min-height: 132px; border: 1.5px dashed #b9d3e2; border-radius: 14px; background: #f7fbfd; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px; padding: 16px; overflow: hidden; transition: border-color .2s ease, background .2s ease; }
    .drop[data-s="2"], .drop[data-s="3"] { border-style: solid; border-color: var(--sky); background: #fff; }
    .drop-hint { position: absolute; font-family: 'IBM Plex Mono', monospace; font-size: 12px; color: #8b97a2; transition: opacity .2s ease; }
    .drop:not([data-s="0"]) .drop-hint { opacity: 0; }
    .drop-file { display: flex; align-items: center; gap: 10px; font-family: 'IBM Plex Mono', monospace; font-size: 12px; opacity: 0; transform: translateY(-90px); transition: opacity .2s ease, transform .32s ease-in; }
    .drop-file svg { display: block; flex: none; }
    .drop:not([data-s="0"]) .drop-file { opacity: 1; transform: none; }
    .drop-chips { display: flex; gap: 7px; flex-wrap: wrap; justify-content: center; }
    .drop-chips span { font-family: 'IBM Plex Mono', monospace; font-size: 11.5px; color: #178a55; background: #eef8f1; border: 1px solid #a9dcbf; border-radius: 20px; padding: 4px 11px; white-space: nowrap; opacity: 0; transform: translateY(6px); transition: opacity .2s ease, transform .2s ease; }
    .drop-chips span.warn { color: var(--amber); background: #fdf3ea; border-color: #f0c9a5; }
    .drop[data-s="3"] .drop-chips span { opacity: 1; transform: none; }
    .drop[data-s="3"] .drop-chips span:nth-child(2) { transition-delay: .3s; }
    .drop[data-s="3"] .drop-chips span:nth-child(3) { transition-delay: .6s; }

    /* ---------- comparison ---------- */
    .cmp { width: 100%; border-collapse: separate; border-spacing: 0; margin-top: 30px; background: #fff; border: 1px solid var(--line); border-radius: 14px; overflow: hidden; font-size: 14px; }
    .cmp th, .cmp td { padding: 14px 18px; text-align: left; border-bottom: 1px solid #eef2f4; }
    .cmp tr:last-child td { border-bottom: 0; }
    .cmp thead th { font-family: 'IBM Plex Mono', monospace; font-size: 10.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); font-weight: 600; background: #fbfcfd; }
    .cmp td:first-child { font-weight: 600; color: var(--ink); width: 28%; }
    .cmp td { color: var(--muted); }
    .cmp .nah { background: #f1f8fc; color: var(--ink); font-weight: 500; }
    .cmp thead .nah { color: var(--blue); background: #e8f4fa; }
    .y::before { content: '\2713  '; color: #178a55; font-weight: 700; }
    .n::before { content: '\2715  '; color: var(--amber); }
    .cmp-wrap { overflow-x: auto; }

    /* ---------- engines ---------- */
    .eng-chips { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 26px; }
    .eng-chips span { font-family: 'IBM Plex Mono', monospace; font-size: 12px; color: #37444e; border: 1px solid #d8e2e6; border-radius: 20px; padding: 7px 13px; background: #fff; }
    .same { margin-top: 22px; font-family: 'IBM Plex Mono', monospace; font-size: 13px; color: var(--ink); }
    .same b { color: var(--blue); }

    /* ---------- proof ---------- */
    .reports { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 28px; }
    .rep { display: block; border: 1px solid var(--line); border-radius: 14px; overflow: hidden; background: #fff; transition: border-color .2s ease; }
    .rep:hover { border-color: #9fc6db; }
    .rep img { display: block; width: 100%; height: 190px; object-fit: cover; object-position: top left; border-bottom: 1px solid var(--line); }
    .rep div { padding: 18px 20px; }
    .rep b { font-size: 17px; }
    .rep p { font-size: 13.5px; color: var(--muted); margin: 5px 0 10px; }
    .rep span { font-size: 13.5px; font-weight: 600; color: var(--blue); }
    .who { margin-top: 22px; font-size: 14px; color: var(--body); }
    .who strong { color: var(--ink); font-weight: 600; }

    /* ---------- roles ---------- */
    .roles-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 28px; }
    .role { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 20px; }
    .role small { display: block; font-family: 'IBM Plex Mono', monospace; font-size: 11px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--blue); margin-bottom: 10px; }
    .role p { margin: 0; font-size: 14px; font-style: italic; color: #37444e; }

    /* ---------- trust ---------- */
    .trust { display: grid; grid-template-columns: 1fr 1.1fr; gap: 56px; align-items: center; }
    .facts { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
    .fact { border: 1px solid var(--line); border-radius: 12px; padding: 16px; background: #fff; }
    .fact small { display: block; font-family: 'IBM Plex Mono', monospace; font-size: 10px; color: var(--muted); margin-bottom: 4px; }
    .fact b { font-size: 14px; font-weight: 600; }

    /* ---------- what reaches your inbox (pressable card, no animation loop) ---------- */
    .inbox { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
    .ticks { list-style: none; padding: 0; margin: 20px 0 0; }
    .ticks li { font-size: 14.5px; color: var(--ink); padding: 6px 0 6px 26px; position: relative; }
    .ticks li::before { content: '\2713'; position: absolute; left: 0; color: var(--green); font-weight: 700; }
    .card { position: relative; background: #fff; border: 1px solid var(--line); border-left: 3px solid var(--sky); border-radius: 12px; padding: 18px 20px; box-shadow: 0 26px 60px -32px rgba(20,32,43,.5); transition: border-color .2s ease; }
    .card[data-s="approved"] { border-left-color: var(--green); }
    .card[data-s="rejected"] { border-left-color: #94a3b8; }
    .c-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
    .c-agent { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600; }
    .c-agent img { border-radius: 5px; display: block; }
    .c-tag { font-family: 'IBM Plex Mono', monospace; font-size: 10px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; border-radius: 4px; padding: 3px 8px; color: var(--blue); background: #e8f4fa; transition: background .2s ease, color .2s ease; }
    .card[data-s="approved"] .c-tag { color: #fff; background: var(--green); }
    .card[data-s="rejected"] .c-tag { color: #fff; background: #64748b; }
    .c-task { font-size: 16px; font-weight: 600; margin-bottom: 8px; }
    .c-quote { font-size: 13.5px; color: #37444e; font-style: italic; background: #f4f8f9; border: 1px solid var(--line); border-radius: 7px; padding: 9px 11px; margin-bottom: 12px; }
    .c-quote span { display: block; font-style: normal; font-family: 'IBM Plex Mono', monospace; font-size: 10px; color: var(--muted); margin-bottom: 3px; }
    .c-diff { font-family: 'IBM Plex Mono', monospace; font-size: 12.5px; color: #37444e; display: grid; grid-template-columns: 130px 1fr; row-gap: 5px; margin-bottom: 16px; }
    .c-diff s { color: #8b97a2; }
    .c-diff b { color: var(--blue); font-weight: 600; }
    .c-actions { display: flex; gap: 8px; justify-content: flex-end; }
    .c-btn { font: 600 13.5px 'IBM Plex Sans', system-ui, sans-serif; padding: 8px 18px; border-radius: 7px; cursor: pointer; border: 1px solid #d7e2e7; background: #fff; color: #45525d; transition: background .2s ease; }
    .c-btn:hover { border-color: #94a3b8; }
    .c-btn:focus-visible, .c-reset:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }
    .c-approve { color: #fff; background: var(--green); border-color: var(--green); }
    .c-approve:hover { background: #047857; }
    .card:not([data-s="pending"]) .c-actions { display: none; }
    .c-result { display: none; font-family: 'IBM Plex Mono', monospace; font-size: 12px; }
    .card[data-s="approved"] .c-ok, .card[data-s="rejected"] .c-no { display: block; }
    .c-result div { padding: 2px 0; }
    .c-ok { color: #178a55; }
    .c-no { color: #475569; }
    .c-reset { display: inline-block; margin-top: 8px; font: 500 12px 'IBM Plex Sans', sans-serif; color: var(--blue); background: none; border: 0; padding: 0; cursor: pointer; text-decoration: underline; }

    /* ---------- engines: each one named by the question it answers ---------- */
    .eng-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 28px; }
    .eng-grid div { border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px; background: #fff; }
    .eng-grid b { display: block; font-family: 'IBM Plex Mono', monospace; font-size: 12.5px; font-weight: 600; color: var(--blue); margin-bottom: 6px; }
    .eng-grid p { margin: 0; font-size: 14px; color: var(--ink); }
    .std { display: inline-block; margin: 16px 0 0; font-family: 'IBM Plex Mono', monospace; font-size: 11.5px; color: var(--blue); background: #e8f4fa; border: 1px solid #c7e6f4; border-radius: 20px; padding: 4px 12px; }

    /* ---------- faq ---------- */
    .faq { margin-top: 26px; border-top: 1px solid var(--line); max-width: 860px; }
    .faq details { border-bottom: 1px solid var(--line); }
    .faq summary { cursor: pointer; list-style: none; padding: 18px 36px 18px 0; font-size: 16px; font-weight: 600; position: relative; }
    .faq summary::-webkit-details-marker { display: none; }
    .faq summary::after { content: '+'; position: absolute; right: 6px; top: 14px; font-size: 22px; font-weight: 400; color: var(--blue); }
    .faq details[open] summary::after { content: '\2212'; }
    .faq summary:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }
    .faq p { margin: 0 0 18px; font-size: 15px; color: var(--body); max-width: 720px; }

    /* ---------- how to start ---------- */
    .start { list-style: none; padding: 0; margin: 30px auto 6px; max-width: 860px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; text-align: left; }
    .start li { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 18px; }
    .start span { display: inline-flex; width: 24px; height: 24px; border-radius: 50%; align-items: center; justify-content: center; font-family: 'IBM Plex Mono', monospace; font-size: 12px; font-weight: 600; color: #fff; background: var(--blue); margin-bottom: 10px; }
    .start b { display: block; font-size: 15px; margin-bottom: 4px; }
    .start p { margin: 0; font-size: 13.5px; color: var(--muted); }

       Delete this rule (and the class) when publishing post-migration. */

    /* ---------- close + footer ---------- */
    .close { text-align: center; }
    .close .hero-cta { justify-content: center; }
    footer { border-top: 1px solid var(--line); }
    .f-top { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-top: 36px; }
    .f-nav { display: flex; gap: 20px; flex-wrap: wrap; font-family: 'IBM Plex Mono', monospace; font-size: 11px; color: #55636f; }
    .f-nav a:hover { color: var(--blue); }
    .f-legal { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; border-top: 1px solid #f0f4f6; padding-top: 18px; margin-top: 20px; font-family: 'IBM Plex Mono', monospace; font-size: 11px; color: var(--muted); }
    .f-ack { font-family: 'Spectral', Georgia, serif; font-size: 12.5px; line-height: 1.7; color: var(--muted); max-width: 720px; margin: 16px 0 0; }
    .f-social { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; padding: 18px 0 30px; }

    /* ---------- breakpoints ---------- */
    @media (max-width: 1080px) { :root { --pad: 26px; } .agents { grid-template-columns: repeat(3, 1fr); } }
    @media (max-width: 980px) {
      .nav-links { display: none; }
      .burger { display: flex; }
      .menu.open { display: flex; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: #fff; border-bottom: 1px solid rgba(20,32,43,.1); box-shadow: 0 14px 28px -18px rgba(20,32,43,.45); padding: 6px var(--pad) 14px; }
      .menu a { padding: 12px 0; border-bottom: 1px solid rgba(20,32,43,.06); font-size: 15px; color: #45525d; }
      .menu a:last-child { border-bottom: 0; }
    }
    @media (max-width: 900px) {
      .hero, .file, .trust, .inbox { grid-template-columns: 1fr; gap: 36px; }
      .eng-grid { grid-template-columns: 1fr 1fr; }
      .start { grid-template-columns: 1fr; }
      .roles-grid { grid-template-columns: 1fr 1fr; }
      .sec { padding-top: 58px; padding-bottom: 58px; }
    }
    @media (max-width: 640px) {
      :root { --pad: 16px; }
      .agents, .reports, .roles-grid, .facts { grid-template-columns: 1fr; }
      .nav .btn { padding: 8px 13px; font-size: 13px; }
      .cmp { font-size: 13px; min-width: 560px; }
    }
    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after { animation: none !important; transition-duration: .001ms !important; transition-delay: 0s !important; }
      html { scroll-behavior: auto; }
    }

    /* current page in the nav */
    .nav-links a.on, .menu a.on { color: var(--blue); font-weight: 600; }