:root {
    --ink: #0f1b2d;          /* deep navy, near-black text */
    --slate: #2b3a52;        /* secondary text */
    --mist: #5d6b80;         /* muted captions */
    --paper: #f7f8fa;        /* page background */
    --card: #ffffff;
    --line: #e2e6ec;         /* hairlines */
    --signal: #1f8a5b;       /* restrained signal green */
    --signal-soft: #e7f3ec;  /* green tint */
    --warn: #b7791f;         /* amber for findings */
    --warn-soft: #fbf3e2;
    --fail: #b4452e;         /* terracotta-red for fails */
    --fail-soft: #f8ebe6;
    --shadow: 0 1px 2px rgba(15,27,45,.04), 0 8px 28px rgba(15,27,45,.06);
  }
  * { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body {
    font-family: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
    background: var(--paper);
    color: var(--ink);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
  }
  .wrap { max-width: 1080px; margin: 0 auto; padding: 0 28px; }
  .mono { font-family: "SF Mono", "JetBrains Mono", "Roboto Mono", Menlo, Consolas, monospace; }
  .sans { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; }

  /* ---- header ---- */
  header {
    border-bottom: 1px solid var(--line);
    background: rgba(247,248,250,.85);
    backdrop-filter: saturate(140%) blur(8px);
    position: sticky; top: 0; z-index: 50;
  }
  .nav { display: flex; align-items: center; justify-content: space-between; height: 68px; }
  .brand { display: flex; align-items: center; gap: 11px; font-weight: 600; letter-spacing: -.01em; font-size: 1.12rem; }
  .brand .mark {
    width: 26px; height: 26px; flex: none;
    display: grid; place-items: center;
  }
  .brand .mark svg { display:block; }
  .nav .links { display: flex; gap: 28px; align-items: center; }
  .nav .links a {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    font-size: .92rem; color: var(--slate); text-decoration: none; font-weight: 500;
  }
  .nav .links a:hover { color: var(--ink); }
  .nav .links a.cta {
    background: var(--ink); color: #fff; padding: 9px 16px; border-radius: 7px;
    font-size: .9rem;
  }
  .nav .links a.cta:hover { background: #1b2c45; color: #fff; }
  @media (max-width: 720px) { .nav .links a:not(.cta) { display: none; } }

  /* ---- hero ---- */
  .hero { padding: 76px 0 56px; }
  .eyebrow {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    font-size: .8rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase;
    color: var(--signal); margin-bottom: 18px;
  }
  h1 {
    font-size: clamp(2.1rem, 5vw, 3.35rem); line-height: 1.08; letter-spacing: -.02em;
    font-weight: 600; max-width: 16ch;
  }
  .hero p.lead {
    font-size: 1.22rem; color: var(--slate); margin-top: 22px; max-width: 52ch;
  }
  .hero .actions { margin-top: 34px; display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
  .btn {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    font-weight: 600; font-size: 1rem; border-radius: 8px; padding: 14px 24px;
    text-decoration: none; display: inline-block; cursor: pointer; border: 0;
  }
  .btn-primary { background: var(--signal); color: #fff; }
  .btn-primary:hover { background: #1a6f4a; }
  .btn-ghost { color: var(--ink); border: 1px solid var(--line); background: var(--card); }
  .btn-ghost:hover { border-color: var(--mist); }
  .reassure {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    font-size: .9rem; color: var(--mist); margin-top: 16px;
  }

  /* ---- signature: sample check ---- */
  .sample {
    margin-top: 54px; background: var(--ink); border-radius: 14px; overflow: hidden;
    box-shadow: var(--shadow);
  }
  .sample .bar {
    display: flex; align-items: center; gap: 8px; padding: 13px 18px;
    border-bottom: 1px solid rgba(255,255,255,.08);
  }
  .sample .bar .dot { width: 11px; height: 11px; border-radius: 50%; background: #38465c; }
  .sample .bar .ttl {
    margin-left: 10px; color: #8fa0b8; font-size: .82rem;
    font-family: "SF Mono","JetBrains Mono",Menlo,monospace;
  }
  .sample .body { padding: 22px 22px 26px; font-family: "SF Mono","JetBrains Mono",Menlo,Consolas,monospace; font-size: .86rem; line-height: 1.9; }
  .sample .cmd { color: #cdd8e8; }
  .sample .cmd .pr { color: var(--signal); }
  .sample .row { display: flex; gap: 12px; align-items: baseline; flex-wrap: wrap; }
  .tag { display: inline-block; font-weight: 700; padding: 1px 8px; border-radius: 4px; font-size: .74rem; letter-spacing: .03em; }
  .tag.pass { background: rgba(31,138,91,.18); color: #5fd39a; }
  .tag.warn { background: rgba(183,121,31,.2); color: #e7b85f; }
  .tag.fail { background: rgba(180,69,46,.22); color: #ef8e75; }
  .sample .label { color: #aab8cc; }
  .sample .detail { color: #76869c; }
  .sample .note { color: #5f6e84; margin-top: 14px; font-size: .8rem; }
  @media (max-width: 560px) { .sample .body { font-size: .76rem; } }

  /* ---- sections ---- */
  section.block { padding: 64px 0; border-top: 1px solid var(--line); }
  .sec-eyebrow {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    font-size: .8rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase;
    color: var(--mist); margin-bottom: 14px;
  }
  h2 { font-size: clamp(1.6rem, 3.4vw, 2.2rem); letter-spacing: -.015em; font-weight: 600; max-width: 20ch; }
  .block p.intro { font-size: 1.12rem; color: var(--slate); margin-top: 16px; max-width: 56ch; }

  .grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 40px; }
  @media (max-width: 820px) { .grid { grid-template-columns: 1fr; } }
  .step {
    background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 26px;
  }
  .step .n {
    font-family: "SF Mono","JetBrains Mono",Menlo,monospace; font-size: .8rem; color: var(--signal);
    font-weight: 700; letter-spacing: .05em;
  }
  .step h3 { font-size: 1.18rem; margin: 12px 0 8px; font-weight: 600; letter-spacing: -.01em; }
  .step p { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; font-size: .96rem; color: var(--slate); }

  /* checklist */
  .checks { margin-top: 36px; display: grid; grid-template-columns: 1fr 1fr; gap: 14px 40px; }
  @media (max-width: 720px) { .checks { grid-template-columns: 1fr; } }
  .check {
    display: flex; gap: 13px; align-items: flex-start;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    padding-bottom: 14px; border-bottom: 1px solid var(--line);
  }
  .check svg { flex: none; margin-top: 3px; }
  .check b { font-weight: 600; display: block; font-size: 1rem; }
  .check span { color: var(--mist); font-size: .92rem; }

  /* who / trust */
  .who { display: grid; grid-template-columns: 1.4fr 1fr; gap: 48px; align-items: start; }
  @media (max-width: 820px) { .who { grid-template-columns: 1fr; gap: 28px; } }
  .who p { font-size: 1.08rem; color: var(--slate); margin-top: 16px; }
  .facts { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 8px 22px; }
  .fact { padding: 16px 0; border-bottom: 1px solid var(--line); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }
  .fact:last-child { border-bottom: 0; }
  .fact b { display: block; font-size: .82rem; text-transform: uppercase; letter-spacing: .06em; color: var(--mist); font-weight: 600; }
  .fact span { font-size: 1rem; color: var(--ink); }

  /* CTA band */
  .cta-band { background: var(--ink); border-radius: 16px; padding: 52px 44px; text-align: center; margin: 8px 0; }
  .cta-band h2 { color: #fff; margin: 0 auto; max-width: 24ch; }
  .cta-band p { color: #9fb0c6; margin: 16px auto 0; max-width: 48ch; font-size: 1.08rem; }
  .cta-band .actions { margin-top: 30px; display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
  .cta-band .btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.25); }
  .cta-band .btn-ghost:hover { border-color: rgba(255,255,255,.55); }

  /* form */
  .formwrap { max-width: 560px; margin: 40px auto 0; background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 32px; box-shadow: var(--shadow); }
  .formrow { margin-bottom: 18px; }
  .formrow label { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; font-size: .9rem; font-weight: 600; display: block; margin-bottom: 6px; }
  .formrow input, .formrow textarea {
    width: 100%; padding: 12px 14px; border: 1px solid var(--line); border-radius: 8px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; font-size: 1rem; color: var(--ink);
    background: var(--paper);
  }
  .formrow input:focus, .formrow textarea:focus { outline: 2px solid var(--signal); outline-offset: 0; border-color: var(--signal); background:#fff; }
  .formnote { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; font-size: .85rem; color: var(--mist); margin-top: 6px; }

  /* footer */
  footer { border-top: 1px solid var(--line); padding: 40px 0 56px; margin-top: 8px; }
  .foot { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; font-size: .9rem; color: var(--mist); }
  .foot a { color: var(--slate); text-decoration: none; }
  .foot a:hover { color: var(--ink); }

  @media (prefers-reduced-motion: no-preference) {
    .reveal { opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s ease; }
    .reveal.in { opacity: 1; transform: none; }
  }

/* utility + component classes (moved out of inline style attrs for strict CSP) */
.mt-18{margin-top:18px}.mt-22{margin-top:22px}.mt-32{margin-top:32px}.mt-40{margin-top:40px}
.link-signal{color:var(--signal);font-weight:600}
.muted-sm{color:var(--mist);font-size:.92rem}
.offer-box{margin-top:28px;background:var(--signal-soft);border:1px solid #cce8d8;border-left:4px solid var(--signal);border-radius:12px;padding:24px 26px}
.offer-head{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap}
.offer-title{font-weight:700;color:var(--ink);font-size:1.15rem}
.offer-price{font-family:"Iowan Old Style",Georgia,serif;font-size:1.5rem;font-weight:600;color:var(--signal)}
.offer-meta{color:var(--mist);font-size:.9rem}
.offer-desc{color:var(--slate);margin-top:10px;font-size:1rem}
.price-row{margin-bottom:14px}
.price-num{font-family:"Iowan Old Style",Georgia,serif;font-size:2rem;font-weight:600;color:var(--ink)}
.step-featured{border-color:var(--signal);border-width:2px}
.bio-row{display:flex;align-items:center;gap:14px;margin:20px 0 10px}
.bio-avatar{width:62px;height:62px;flex:none;border-radius:50%;background:var(--ink);color:#fff;display:grid;place-items:center;font-family:"Iowan Old Style",Georgia,serif;font-size:1.4rem;font-weight:600;box-shadow:0 0 0 2px var(--signal) inset}
.bio-name{font-weight:700;color:var(--ink);font-size:1.06rem}
.btn-full{width:100%;text-align:center;cursor:pointer}