/* ViaPresell - clean white / black advertorial */
:root {
  --bg: #ffffff;
  --paper: #ffffff;
  --ink: #000000;
  --muted: #222222;
  --soft: #444444;
  --line: #dddddd;
  --line-dark: #cccccc;
  --accent: #0a5c48;
  --accent-dark: #063d30;
  --panel: #f7f7f7;
  --panel-border: #e5e5e5;
  --star: #c99700;
  --max: 720px;
  --font: Georgia, "Times New Roman", Times, serif;
  --sans: Arial, Helvetica, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: #ffffff;
  color: #000000;
  font-family: var(--font);
  font-size: 20px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: #0a5c48; font-weight: 700; }
a:hover { color: #063d30; }
img { max-width: 100%; height: auto; display: block; }
strong { color: #000; font-weight: 700; }

/* Top bar */
.topbar {
  background: #111;
  color: #ccc;
  font-family: var(--sans);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-align: center;
  padding: 5px 12px;
  line-height: 1.2;
}

/* Header */
.site-header {
  background: #fff;
  border-bottom: 2px solid #000;
  position: sticky;
  top: 0;
  z-index: 50;
}
.site-header-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 12px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.brand {
  font-family: var(--sans);
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.02em;
  color: #000;
  text-decoration: none;
  white-space: nowrap;
}
.brand span { color: #0a5c48; }
.header-tag {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #333;
}
.offer-section {
  margin-top: 40px;
  padding-top: 8px;
  border-top: 3px solid #000;
}
.offer-section > h2 {
  margin-top: 24px;
}

/* Article shell */
.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 28px 20px 90px;
  background: #fff;
}
.ad-label {
  font-family: var(--sans);
  font-size: 12px;
  color: #333;
  text-align: center;
  margin: 0 0 18px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
}
.kicker {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #0a5c48;
  margin: 0 0 12px;
}
.headline {
  font-size: clamp(30px, 5.2vw, 42px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
  color: #000;
  font-weight: 700;
}
.dek {
  font-size: 20px;
  color: #111;
  margin: 0 0 20px;
  line-height: 1.55;
}
.meta {
  font-family: var(--sans);
  font-size: 14px;
  color: #111;
  border-top: 2px solid #000;
  border-bottom: 1px solid #ccc;
  padding: 14px 0;
  margin: 0 0 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
}
.meta strong { color: #000; }

/* Doctor media */
.doctor-feature {
  margin: 0 0 28px;
  border: 1px solid #ddd;
  background: #fff;
}
.doctor-feature img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  object-position: center top;
}
.doctor-feature figcaption {
  font-family: var(--sans);
  font-size: 13px;
  color: #222;
  padding: 10px 12px 12px;
  border-top: 1px solid #eee;
  background: #fafafa;
}
.doctor-row {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 16px;
  align-items: center;
  margin: 0 0 24px;
  padding: 16px;
  border: 1px solid #ddd;
  background: #fafafa;
}
.doctor-row img {
  width: 120px;
  height: 120px;
  object-fit: cover;
  border-radius: 50%;
  border: 2px solid #000;
}
.doctor-row h3 {
  margin: 0 0 6px;
  font-family: var(--sans);
  font-size: 18px;
  color: #000;
}
.doctor-row p {
  margin: 0;
  font-family: var(--sans);
  font-size: 14px;
  color: #222;
  line-height: 1.45;
}

/* Hero quote box - light, high contrast */
.hero {
  background: #f5f5f5;
  color: #000;
  border: 2px solid #000;
  border-radius: 0;
  padding: 22px 20px;
  margin: 0 0 28px;
}
.hero p {
  margin: 0 0 12px;
  font-size: 19px;
  color: #000;
}
.hero p:last-child { margin-bottom: 0; }
.hero .label {
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #000;
  font-weight: 800;
  margin-bottom: 12px;
}

/* Body copy - max clarity */
.article p {
  margin: 0 0 18px;
  color: #000;
  font-size: 20px;
  line-height: 1.7;
}
.article h2 {
  font-size: clamp(24px, 3.6vw, 30px);
  line-height: 1.25;
  margin: 40px 0 16px;
  letter-spacing: -0.01em;
  color: #000;
  border-bottom: 2px solid #000;
  padding-bottom: 8px;
}
.article h3 {
  font-family: var(--sans);
  font-size: 17px;
  margin: 22px 0 8px;
  color: #000;
  font-weight: 800;
}

.pullquote {
  border-left: 5px solid #000;
  background: #f5f5f5;
  margin: 26px 0;
  padding: 18px 18px;
  font-style: italic;
  color: #000;
  font-size: 19px;
}
.pullquote cite {
  display: block;
  margin-top: 10px;
  font-style: normal;
  font-family: var(--sans);
  font-size: 14px;
  color: #222;
  font-weight: 700;
}

.situation {
  background: #fff;
  border: 2px solid #000;
  padding: 8px 18px 8px;
  margin: 20px 0 28px;
}
.situation h3 {
  margin-top: 14px;
  color: #000;
}
.situation p {
  color: #000;
}
.situation p:last-child { margin-bottom: 14px; }

.ingredient-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 18px 0 24px;
}
@media (min-width: 640px) {
  .ingredient-grid { grid-template-columns: 1fr 1fr; }
}
.card {
  background: #fff;
  border: 2px solid #000;
  padding: 16px;
}
.card h4 {
  font-family: var(--sans);
  font-size: 13px;
  margin: 0 0 10px;
  color: #000;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 800;
}
.card p, .card li {
  margin: 0;
  font-size: 17px;
  color: #000;
  line-height: 1.55;
}
.card ul {
  margin: 0;
  padding-left: 18px;
}
.card li { margin-bottom: 6px; }

.compare {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--sans);
  font-size: 15px;
  margin: 18px 0 28px;
  background: #fff;
  border: 2px solid #000;
}
.compare th, .compare td {
  text-align: left;
  padding: 12px 12px;
  border-bottom: 1px solid #ccc;
  vertical-align: top;
  color: #000;
}
.compare th {
  background: #000;
  color: #fff;
  font-weight: 800;
}
.compare tr:last-child td { border-bottom: 0; }
.compare td:first-child { font-weight: 800; width: 28%; }

.checklist {
  list-style: none;
  padding: 0;
  margin: 12px 0 28px;
}
.checklist li {
  position: relative;
  padding: 12px 12px 12px 40px;
  margin-bottom: 10px;
  background: #fff;
  border: 2px solid #000;
  font-size: 18px;
  color: #000;
}
.checklist li::before {
  content: "✓";
  position: absolute;
  left: 14px;
  top: 12px;
  color: #0a5c48;
  font-weight: 900;
  font-family: var(--sans);
}

/* CTAs - high contrast */
.cta-box {
  background: #000;
  color: #fff;
  padding: 28px 22px;
  text-align: center;
  margin: 32px 0;
}
.cta-box h2, .cta-box h3 {
  color: #fff;
  margin: 0 0 12px;
  border: 0;
  padding: 0;
  font-size: 26px;
}
.cta-box p {
  margin: 0 0 16px;
  color: #fff;
  font-size: 17px;
  font-family: var(--sans);
}
.btn {
  display: inline-block;
  font-family: var(--sans);
  font-weight: 900;
  font-size: 17px;
  text-decoration: none;
  background: #f5c518;
  color: #000 !important;
  padding: 15px 24px;
  border: 2px solid #000;
  cursor: pointer;
  transition: transform .12s ease;
}
.btn:hover { transform: translateY(-1px); background: #ffd84d; color: #000 !important; }
.cta-note {
  font-family: var(--sans);
  font-size: 13px;
  margin-top: 14px !important;
  color: #eee !important;
  font-weight: 400;
}

.trust {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin: 18px 0 28px;
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
@media (min-width: 640px) {
  .trust { grid-template-columns: repeat(4, 1fr); }
}
.trust span {
  background: #fff;
  border: 2px solid #000;
  padding: 12px 8px;
  text-align: center;
  color: #000;
}

/* Reviews */
.reviews {
  margin: 36px 0 20px;
}
.reviews > h2 {
  margin-bottom: 8px;
}
.reviews-intro {
  font-family: var(--sans);
  font-size: 15px;
  color: #222;
  margin-bottom: 18px !important;
}
.review {
  border: 2px solid #000;
  background: #fff;
  padding: 18px 16px;
  margin-bottom: 14px;
}
.review-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
  font-family: var(--sans);
}
.review-name {
  font-weight: 800;
  font-size: 15px;
  color: #000;
}
.review-meta {
  font-size: 12px;
  color: #333;
  font-weight: 700;
}
.stars {
  color: #000;
  letter-spacing: 2px;
  font-size: 16px;
  font-weight: 900;
  margin-bottom: 8px;
  font-family: var(--sans);
}
.review p {
  margin: 0;
  font-size: 17px;
  color: #000;
  line-height: 1.55;
}
.review .verified {
  display: inline-block;
  margin-top: 10px;
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #0a5c48;
}

.disclaimer {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 2px solid #000;
  font-family: var(--sans);
  font-size: 13px;
  line-height: 1.55;
  color: #222;
}
.disclaimer > strong:first-child {
  display: block;
  margin-bottom: 8px;
  color: #000;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 12px;
}

.site-footer {
  background: #000;
  color: #fff;
  font-family: var(--sans);
  font-size: 13px;
  text-align: center;
  padding: 28px 16px 72px;
  overflow: visible;
}
.site-footer a { color: #fff; }
.site-footer p { margin: 0 0 8px; color: #fff; }
.site-footer .footer-disclaimer {
  max-width: 640px;
  width: 100%;
  box-sizing: border-box;
  margin: 14px auto 0;
  padding: 0 8px;
  font-size: 11px;
  line-height: 1.4;
  color: rgba(255, 255, 255, 0.5);
  font-weight: 400;
  text-align: center;
  white-space: normal;
  overflow: visible;
  word-wrap: break-word;
  overflow-wrap: anywhere;
}
.site-footer .footer-disclaimer strong {
  display: inline;
  color: rgba(255, 255, 255, 0.6);
  font-weight: 600;
  text-transform: none;
  letter-spacing: normal;
  font-size: inherit;
}

/* Sticky mobile CTA */
.sticky-cta {
  display: none;
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 100;
  background: #000;
  padding: 10px 12px calc(10px + env(safe-area-inset-bottom));
  border-top: 2px solid #000;
}
.sticky-cta .btn { width: 100%; text-align: center; }
@media (max-width: 760px) {
  .sticky-cta { display: block; }
  body { padding-bottom: 78px; }
  .headline { font-size: 28px; }
  .article p { font-size: 18px; }
  .doctor-row { grid-template-columns: 88px 1fr; }
  .doctor-row img { width: 88px; height: 88px; }
}

/* A/B test hub + version badge */
.version-badge {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: #000;
  color: #fff;
  display: inline-block;
  padding: 4px 8px;
  margin: 0 0 12px;
}
.hub-page {
  max-width: 900px;
  margin: 40px auto;
  padding: 0 20px 60px;
  font-family: Arial, Helvetica, sans-serif;
  color: #000;
  background: #fff;
}
.hub-page h1 { font-size: 28px; margin: 0 0 8px; }
.hub-page .sub { color: #333; margin: 0 0 28px; line-height: 1.5; }
.hub-cards { display: grid; gap: 16px; }
.hub-card {
  border: 2px solid #000;
  padding: 18px 16px;
  text-decoration: none;
  color: #000;
  display: block;
  background: #fff;
}
.hub-card:hover { background: #f5f5f5; }
.hub-card h2 { margin: 0 0 8px; font-size: 20px; }
.hub-card p { margin: 0; font-size: 14px; line-height: 1.45; color: #222; }
.hub-card .tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
  background: #000;
  color: #fff;
  padding: 3px 8px;
}

/* Scientific references footer */
.references {
  margin: 40px 0 24px;
  padding: 24px 18px;
  border: 2px solid #000;
  background: #fafafa;
}
.references h2 {
  margin-top: 0;
  border-bottom: 2px solid #000;
  padding-bottom: 8px;
}
.references h3 {
  font-family: var(--sans);
  font-size: 15px;
  margin: 22px 0 10px;
  color: #000;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.references-intro,
.references-note {
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.55;
  color: #222;
  margin: 0 0 16px;
}
.references-note {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid #ccc;
  font-size: 12px;
  color: #333;
}
.ref-list {
  margin: 0 0 8px;
  padding-left: 18px;
  font-family: var(--sans);
  font-size: 13px;
  line-height: 1.55;
  color: #111;
}
.ref-list li {
  margin-bottom: 10px;
}
.ref-list a {
  font-weight: 700;
  word-break: break-word;
}
.hub-refs {
  margin-top: 32px;
  padding-top: 8px;
}

/* --- Improve pack: social proof, uniqueness, soft bridge, couple, comments --- */
.social-proof-bar {
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 700;
  text-align: center;
  color: #000;
  background: #f0f0f0;
  border: 2px solid #000;
  padding: 12px 14px;
  margin: 0 0 22px;
  line-height: 1.45;
}
.unique-block {
  border: 2px solid #000;
  background: #fff;
  padding: 18px 16px;
  margin: 28px 0 20px;
}
.unique-block h2 {
  margin-top: 0;
  font-size: 24px;
}
.unique-block ul {
  margin: 12px 0 0;
  padding-left: 20px;
  font-size: 18px;
}
.unique-block li { margin-bottom: 8px; }
.soft-bridge {
  font-family: var(--sans);
  font-size: 16px;
  font-style: italic;
  color: #111;
  border-left: 4px solid #000;
  background: #f7f7f7;
  padding: 12px 14px;
  margin: 8px 0 28px;
}
.couple-feature {
  margin: 24px 0 28px;
  border: 2px solid #000;
  background: #fff;
}
.couple-feature img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  object-position: center;
}
.couple-feature figcaption {
  font-family: var(--sans);
  font-size: 13px;
  color: #222;
  padding: 10px 12px 12px;
  background: #fafafa;
  border-top: 1px solid #ddd;
}
.comments-block {
  margin: 32px 0 24px;
}
.comments-block h2 {
  margin-bottom: 8px;
}
.comments-note {
  font-family: var(--sans);
  font-size: 13px;
  color: #333;
  margin: 0 0 16px !important;
}
.comment {
  border: 1px solid #ccc;
  border-left: 4px solid #000;
  background: #fff;
  padding: 14px 14px 12px;
  margin-bottom: 12px;
}
.comment-head {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 800;
  margin-bottom: 6px;
  display: flex;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
}
.comment-head .when {
  font-weight: 600;
  color: #444;
}
.comment p {
  margin: 0;
  font-size: 16px;
  line-height: 1.5;
}
.comment .reply-meta {
  font-family: var(--sans);
  font-size: 11px;
  color: #555;
  margin-top: 8px;
  font-weight: 700;
}