/* ============================================================
   ACTIVE SITTING — Clinical-Editorial Design System
   Paper-white editorial body · serif display · green CTA
   red = pain · yellow = highlight · teal = masthead trust
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Source+Serif+4:opsz,wght@8..60,400;8..60,600;8..60,700;8..60,900&family=Public+Sans:wght@400;500;600;700;800&display=swap');

:root {
  --paper: #fdfcf8;
  --ink: #20231f;
  --ink-soft: #4c5048;
  --teal: #0e3b3c;
  --green: #1d7a4c;
  --green-dark: #155c39;
  --red: #b63a2b;
  --red-soft: #fdeeea;
  --yellow: #ffe98a;
  --line: #e4e1d6;
  --card: #ffffff;
  --serif: 'Source Serif 4', Georgia, serif;
  --sans: 'Public Sans', -apple-system, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  background: var(--paper);
  color: var(--ink);
  font-size: 18px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* ---------- editorial shell ---------- */
.shell { max-width: 680px; margin: 0 auto; padding: 0 20px; }
.shell-wide { max-width: 980px; margin: 0 auto; padding: 0 20px; }

/* ---------- top bars ---------- */
.disclosure-bar {
  background: #efede4; color: #7a7668; font-size: 11.5px;
  letter-spacing: .08em; text-transform: uppercase;
  text-align: center; padding: 6px 12px;
}
.promo-bar {
  background: var(--yellow); color: #4a3d00;
  font-size: 14.5px; font-weight: 700; text-align: center;
  padding: 10px 16px; position: sticky; top: 0; z-index: 50;
  box-shadow: 0 1px 0 rgba(0,0,0,.08);
}
.masthead {
  border-bottom: 3px double var(--teal);
  padding: 22px 0 14px; text-align: center;
}
.masthead .brand {
  font-family: var(--serif); font-weight: 900; font-size: 26px;
  letter-spacing: .04em; color: var(--teal); text-transform: uppercase;
  text-decoration: none;
}
.masthead .brand span { color: var(--green); }
.masthead .tagline {
  font-size: 11.5px; letter-spacing: .22em; text-transform: uppercase;
  color: var(--ink-soft); margin-top: 4px;
}
.breadcrumb {
  font-size: 12.5px; color: var(--ink-soft); padding: 10px 0;
  border-bottom: 1px solid var(--line);
}
.breadcrumb b { color: var(--green); }

/* ---------- article typography ---------- */
.headline {
  font-family: var(--serif); font-weight: 900;
  font-size: clamp(30px, 6vw, 44px); line-height: 1.13;
  letter-spacing: -.01em; margin: 28px 0 14px;
}
.subhead {
  font-family: var(--serif); font-size: clamp(19px, 3.4vw, 23px);
  font-weight: 400; color: var(--ink-soft); line-height: 1.45;
  margin-bottom: 18px;
}
h2.section {
  font-family: var(--serif); font-weight: 700;
  font-size: clamp(24px, 4.6vw, 30px); line-height: 1.2;
  margin: 52px 0 16px;
}
h3 { font-family: var(--serif); font-size: 21px; margin: 32px 0 10px; }
p { margin-bottom: 18px; }
p.big { font-size: 20px; }
mark { background: var(--yellow); padding: 1px 4px; border-radius: 2px; }
.pain { color: var(--red); font-weight: 700; }
.lead-in {
  font-family: var(--serif); font-size: 21px; line-height: 1.6;
}
.lead-in::first-letter {
  font-size: 58px; font-weight: 900; float: left;
  line-height: .85; padding: 6px 10px 0 0; color: var(--teal);
}

/* ---------- byline / credibility ---------- */
.cred-row {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 14px 0; border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line); margin-bottom: 24px;
}
.stars { color: #e8a811; font-size: 17px; letter-spacing: 2px; }
.cred-row .count { font-size: 14px; color: var(--ink-soft); }
.byline { display: flex; align-items: center; gap: 12px; margin: 18px 0; }
.byline img, .avatar {
  width: 52px; height: 52px; border-radius: 50%;
  object-fit: cover; background: var(--teal);
}
.avatar-fallback {
  width: 52px; height: 52px; border-radius: 50%; flex-shrink: 0;
  background: var(--teal); color: #fff; display: flex;
  align-items: center; justify-content: center;
  font-family: var(--serif); font-weight: 700; font-size: 20px;
}
.byline .who { font-size: 14.5px; line-height: 1.4; }
.byline .who b { font-size: 15.5px; }
.byline .who span { color: var(--ink-soft); }

/* ---------- imagery ---------- */
.figure {
  margin: 28px 0; border: 1px solid var(--line); border-radius: 10px;
  overflow: hidden; background: var(--card);
}
.figure .ph {
  aspect-ratio: 16/9; display: flex; align-items: center; justify-content: center;
  background: repeating-linear-gradient(45deg,#f1efe6,#f1efe6 14px,#eae8dd 14px,#eae8dd 28px);
  color: #8a8675; font-size: 14px; font-weight: 600; text-align: center; padding: 20px;
}
.figure figcaption {
  font-size: 13.5px; color: var(--ink-soft); padding: 10px 14px;
  border-top: 1px solid var(--line);
}

/* ---------- checklists ---------- */
ul.checks, ul.crosses { list-style: none; margin: 0 0 20px; }
ul.checks li, ul.crosses li {
  padding: 7px 0 7px 34px; position: relative;
}
ul.checks li::before {
  content: "✓"; position: absolute; left: 0; top: 7px;
  width: 24px; height: 24px; border-radius: 50%;
  background: var(--green); color: #fff; font-size: 14px; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
}
ul.crosses li::before {
  content: "✕"; position: absolute; left: 0; top: 7px;
  width: 24px; height: 24px; border-radius: 50%;
  background: var(--red-soft); color: var(--red); font-size: 13px; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
}

/* ---------- callouts ---------- */
.callout {
  background: var(--card); border: 1px solid var(--line);
  border-left: 5px solid var(--green); border-radius: 8px;
  padding: 20px 22px; margin: 26px 0;
}
.callout.warn { border-left-color: var(--red); background: var(--red-soft); }
.callout .kicker {
  font-size: 12px; font-weight: 800; letter-spacing: .14em;
  text-transform: uppercase; color: var(--green); margin-bottom: 6px;
}
.callout.warn .kicker { color: var(--red); }

/* ---------- quote / testimonial ---------- */
.testimonial {
  background: var(--card); border: 1px solid var(--line); border-radius: 10px;
  padding: 20px 22px; margin: 18px 0;
}
.testimonial .stars { font-size: 15px; }
.testimonial p { font-size: 16.5px; margin: 8px 0 10px; }
.testimonial .who {
  font-size: 13.5px; color: var(--ink-soft); display: flex;
  align-items: center; gap: 8px; flex-wrap: wrap;
}
.testimonial .who .vp {
  background: #e8f4ec; color: var(--green-dark); font-size: 11px;
  font-weight: 700; padding: 2px 8px; border-radius: 20px;
}

/* ---------- CTA ---------- */
.btn {
  display: block; width: 100%; text-align: center; cursor: pointer;
  background: linear-gradient(180deg, #23905b, var(--green));
  color: #fff; font-family: var(--sans); font-weight: 800;
  font-size: 19px; padding: 18px 28px; border: 0; border-radius: 10px;
  text-decoration: none; letter-spacing: .01em;
  box-shadow: 0 4px 14px rgba(29,122,76,.35), inset 0 1px 0 rgba(255,255,255,.25);
  transition: transform .15s ease, box-shadow .15s ease;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 8px 22px rgba(29,122,76,.4); }
.btn small { display: block; font-weight: 600; font-size: 13px; opacity: .92; margin-top: 3px; }
.btn-ghost {
  display: block; text-align: center; margin-top: 10px; font-size: 14px;
  color: var(--ink-soft); text-decoration: underline; cursor: pointer;
  background: none; border: 0; width: 100%; font-family: var(--sans);
}
.cta-block {
  background: var(--card); border: 2px solid var(--green); border-radius: 14px;
  padding: 26px 24px; margin: 36px 0; text-align: center;
}
.cta-block .price-line { margin: 10px 0 16px; }
.cta-block .was { text-decoration: line-through; color: var(--ink-soft); font-size: 19px; }
.cta-block .now { font-family: var(--serif); font-weight: 900; font-size: 40px; color: var(--green-dark); margin-left: 10px; }
.trust-row {
  display: flex; justify-content: center; gap: 18px; flex-wrap: wrap;
  font-size: 12.5px; color: var(--ink-soft); margin-top: 14px;
}
.trust-row span::before { content: "✓ "; color: var(--green); font-weight: 800; }

/* ---------- comparison table ---------- */
.compare-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 24px 0; }
table.compare {
  width: 100%; border-collapse: collapse;
  background: var(--card); border-radius: 10px; overflow: hidden;
  border: 1px solid var(--line); font-size: 15.5px;
}
@media (max-width: 600px) {
  table.compare { font-size: 12.5px; min-width: 460px; }
  table.compare th, table.compare td { padding: 8px 7px; }
}
table.compare th, table.compare td { padding: 12px 14px; text-align: center; border-bottom: 1px solid var(--line); }
table.compare td:first-child { text-align: left; font-weight: 600; }
table.compare th { background: var(--teal); color: #fff; font-size: 14px; }
table.compare th:nth-child(2) { background: var(--green); }
.yes { color: var(--green); font-weight: 900; }
.no { color: #b9b5a7; font-weight: 700; }

/* ---------- guarantee ---------- */
.guarantee {
  display: flex; gap: 18px; align-items: flex-start;
  background: #f3f8f1; border: 1.5px dashed var(--green); border-radius: 14px;
  padding: 24px; margin: 32px 0;
}
.guarantee .badge {
  flex-shrink: 0; width: 84px; height: 84px; border-radius: 50%;
  background: var(--green); color: #fff; display: flex; flex-direction: column;
  align-items: center; justify-content: center; font-weight: 800;
  font-size: 11px; text-align: center; line-height: 1.25;
  box-shadow: 0 0 0 5px #fff, 0 0 0 6.5px var(--green);
}
.guarantee .badge b { font-size: 26px; font-family: var(--serif); }

/* ---------- FAQ ---------- */
details.faq {
  background: var(--card); border: 1px solid var(--line); border-radius: 10px;
  padding: 0 20px; margin-bottom: 10px;
}
details.faq summary {
  font-weight: 700; font-size: 16.5px; padding: 16px 0; cursor: pointer; list-style: none;
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
}
details.faq summary::after { content: "+"; font-size: 22px; color: var(--green); font-weight: 400; }
details.faq[open] summary::after { content: "–"; }
details.faq p { font-size: 15.5px; color: var(--ink-soft); padding-bottom: 16px; }

/* ---------- order card (sales page) ---------- */
.order-card {
  background: var(--card); border: 1px solid var(--line); border-radius: 16px;
  padding: 26px; margin: 28px 0; box-shadow: 0 10px 30px rgba(32,35,31,.07);
}
.order-card h3 { margin-top: 0; }
.order-row { display: flex; justify-content: space-between; font-size: 16px; padding: 9px 0; border-bottom: 1px dashed var(--line); }
.order-row.total { font-weight: 800; font-size: 19px; border-bottom: 0; padding-top: 14px; }
.bump {
  border: 2px dashed var(--red); background: #fffaf0; border-radius: 12px;
  padding: 16px; margin: 18px 0; cursor: pointer; display: flex; gap: 12px;
}
.bump input { width: 22px; height: 22px; accent-color: var(--green); flex-shrink: 0; margin-top: 3px; }
.bump .t { font-size: 15px; line-height: 1.5; }
.bump .t b { color: var(--red); }

/* ---------- countdown / scarcity ---------- */
.timer { font-variant-numeric: tabular-nums; font-weight: 800; color: var(--red); }

/* ---------- footer ---------- */
footer.site {
  margin-top: 70px; border-top: 1px solid var(--line);
  padding: 30px 0 50px; font-size: 12.5px; color: #8a8675;
}
footer.site a { color: #8a8675; }
footer.site p { margin-bottom: 10px; font-size: 12.5px; }

/* ---------- hero (homepage) ---------- */
.hero {
  padding: 64px 0 50px; text-align: center;
  background:
    radial-gradient(ellipse 70% 50% at 50% -10%, #e9f3ea, transparent),
    var(--paper);
}
.hero .headline { font-size: clamp(34px, 7vw, 56px); }
.kicker-pill {
  display: inline-block; background: #e8f4ec; color: var(--green-dark);
  font-size: 12.5px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase;
  padding: 7px 16px; border-radius: 30px; margin-bottom: 18px;
}
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin: 30px 0; }
@media (max-width: 720px) { .grid-3 { grid-template-columns: 1fr; } }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  padding: 24px; text-align: left;
}
.card .num {
  font-family: var(--serif); font-size: 34px; font-weight: 900; color: var(--green);
}

/* ---------- reveal animation ---------- */
@media (prefers-reduced-motion: no-preference) {
  .reveal { opacity: 0; transform: translateY(16px); animation: rise .7s ease forwards; }
  .reveal.d1 { animation-delay: .12s; } .reveal.d2 { animation-delay: .24s; } .reveal.d3 { animation-delay: .36s; }
  @keyframes rise { to { opacity: 1; transform: none; } }
}

/* ---------- rating breakdown ---------- */
.rating-box { display:flex; gap:22px; align-items:center; background:var(--card); border:1px solid var(--line); border-radius:12px; padding:18px 22px; margin:18px 0; flex-wrap:wrap; }
.rating-box .score { text-align:center; }
.rating-box .score .n { font-family:var(--serif); font-weight:900; font-size:46px; line-height:1; color:var(--ink); }
.rating-box .bars { flex:1; min-width:220px; }
.rating-box .bar-row { display:flex; align-items:center; gap:8px; font-size:12.5px; color:var(--ink-soft); }
.rating-box .bar-row .track { flex:1; height:8px; background:#eceadf; border-radius:4px; overflow:hidden; }
.rating-box .bar-row .fill { height:100%; background:var(--green); border-radius:4px; }

/* ---------- mechanism diagram ---------- */
.mech { display:grid; grid-template-columns:1fr 1fr; gap:14px; margin:22px 0; }
@media (max-width:600px){ .mech { grid-template-columns:1fr; } }
.mech .panel { border:1px solid var(--line); border-radius:10px; padding:18px; background:var(--card); }
.mech .panel.bad { border-color:#e9c4bc; background:var(--red-soft); }
.mech .panel.good { border-color:#bfe0cd; background:#f3f8f1; }
.mech .panel h4 { font-family:var(--sans); font-size:13px; font-weight:800; letter-spacing:.08em; text-transform:uppercase; margin-bottom:8px; }
.mech .panel.bad h4 { color:var(--red); }
.mech .panel.good h4 { color:var(--green-dark); }

/* ---------- fb-style comments ---------- */
.fb-thread { background:var(--card); border:1px solid var(--line); border-radius:12px; padding:8px 16px 16px; margin:18px 0; }
.fb-c { display:flex; gap:10px; padding:12px 0; border-bottom:1px solid var(--line); }
.fb-c:last-child { border-bottom:0; }
.fb-c .pic { width:38px; height:38px; border-radius:50%; flex-shrink:0; background:var(--teal); color:#fff; display:flex; align-items:center; justify-content:center; font-weight:700; font-size:14px; }
.fb-c .body { font-size:14.5px; line-height:1.45; }
.fb-c .body .name { font-weight:700; font-size:14px; }
.fb-c .body .meta { font-size:12px; color:var(--ink-soft); margin-top:4px; }
.fb-c .body .meta b { color:#1877f2; }

/* ---------- who is this for ---------- */
.fit-grid { display:grid; grid-template-columns:1fr 1fr; gap:14px; margin:22px 0; }
@media (max-width:600px){ .fit-grid { grid-template-columns:1fr; } }
.fit-grid .col { border:1px solid var(--line); border-radius:10px; padding:18px 20px; background:var(--card); }
.fit-grid .col h4 { font-family:var(--serif); font-size:18px; margin-bottom:10px; }
.fit-grid .col.no h4 { color:var(--red); }
.fit-grid .col.yes h4 { color:var(--green-dark); }

/* ---------- sticky mobile CTA ---------- */
.sticky-cta {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 60;
  background: rgba(253,252,248,.96); backdrop-filter: blur(6px);
  border-top: 1px solid var(--line); padding: 10px 16px;
  display: none;
}
.sticky-cta .btn { padding: 14px 20px; font-size: 16.5px; }
@media (max-width: 820px) { .sticky-cta.on { display: block; } body.has-sticky { padding-bottom: 84px; } }