/* ==========================================================================
   menopausereviewed.com — design tokens
   Editorial · evidence-first · midlife-decoded
   ========================================================================== */

:root, [data-theme="light"] {
  /* Surfaces — warm cream & paper */
  --color-bg: #faf6ef;
  --color-surface: #fdfaf3;
  --color-surface-2: #fffdf7;
  --color-surface-offset: #f1ece1;
  --color-surface-offset-2: #e8e0d0;
  --color-divider: #d8cdb8;
  --color-border: #c9bea7;

  /* Text */
  --color-text: #1f1d17;
  --color-text-muted: #6b6657;
  --color-text-faint: #a8a294;
  --color-text-inverse: #fdfaf3;

  /* Primary — deep sage */
  --color-primary: #3a5b43;
  --color-primary-hover: #2a4632;
  --color-primary-active: #1d3324;
  --color-primary-highlight: #d4dcc9;

  /* Accent — deep terracotta (used sparingly, for callouts) */
  --color-accent: #a04a2c;
  --color-accent-hover: #813a22;
  --color-accent-highlight: #ecd6c7;

  --color-warning: #a04a2c;
  --color-success: #3a5b43;
  --color-error: #8b2e3c;

  /* Radius — restrained, editorial */
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-interactive: 200ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(31, 29, 23, 0.05);
  --shadow-md: 0 4px 14px rgba(31, 29, 23, 0.08);
  --shadow-lg: 0 14px 36px rgba(31, 29, 23, 0.10);

  /* Content widths */
  --content-narrow: 640px;
  --content-prose: 680px;
  --content-default: 1000px;
  --content-wide: 1200px;

  /* Type scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.25rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 4.5rem);
  --text-hero: clamp(2.75rem, 0.5rem + 6vw, 6rem);

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Fonts */
  --font-display: "Source Serif 4", "Source Serif Pro", Georgia, serif;
  --font-body: "Inter", -apple-system, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
}

[data-theme="dark"] {
  --color-bg: #1a1815;
  --color-surface: #201d19;
  --color-surface-2: #25221d;
  --color-surface-offset: #2a2620;
  --color-surface-offset-2: #322d26;
  --color-divider: #3a342c;
  --color-border: #4a4339;
  --color-text: #e8e3d5;
  --color-text-muted: #8e887a;
  --color-text-faint: #5a5448;
  --color-text-inverse: #1a1815;
  --color-primary: #8aa893;
  --color-primary-hover: #a3bdab;
  --color-primary-active: #b9d0c1;
  --color-primary-highlight: #2c3a30;
  --color-accent: #d68b6e;
  --color-accent-hover: #e6a387;
  --color-accent-highlight: #3d2a1f;
  --color-warning: #d68b6e;
  --color-success: #8aa893;
  --color-error: #c97585;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 14px 36px rgba(0, 0, 0, 0.5);
}

/* ==========================================================================
   Base reset
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}
body {
  min-height: 100dvh;
  line-height: 1.6;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
}
img, picture, video, svg { display: block; max-width: 100%; height: auto; }
ul[role="list"], ol[role="list"] { list-style: none; }
input, button, textarea, select { font: inherit; color: inherit; }
h1, h2, h3, h4, h5, h6 { text-wrap: balance; line-height: 1.15; font-family: var(--font-display); font-weight: 500; letter-spacing: -0.01em; }
p, li, figcaption { text-wrap: pretty; }
a { color: var(--color-primary); text-decoration-thickness: 1px; text-underline-offset: 0.2em; }
a:hover { color: var(--color-primary-hover); }
::selection { background: var(--color-primary-highlight); color: var(--color-text); }
:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 3px; border-radius: var(--radius-sm); }
button { cursor: pointer; background: none; border: none; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }

a, button, [role="button"], input, textarea, select {
  transition: color var(--transition-interactive), background var(--transition-interactive), border-color var(--transition-interactive), opacity var(--transition-interactive);
}

/* ==========================================================================
   Layout primitives
   ========================================================================== */
.container { width: 100%; max-width: var(--content-default); margin-inline: auto; padding-inline: var(--space-6); }
.container--wide { max-width: var(--content-wide); }
.container--prose { max-width: var(--content-prose); }
.container--narrow { max-width: var(--content-narrow); }

@media (min-width: 768px) { .container { padding-inline: var(--space-8); } }

/* ==========================================================================
   Header / Nav
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--color-bg) 92%, transparent);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid var(--color-divider);
}
.site-header__inner {
  display: flex; align-items: center; justify-content: space-between;
  padding-block: var(--space-4);
  gap: var(--space-6);
}
.brand {
  display: inline-flex; align-items: center; gap: var(--space-2);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--color-text);
  text-decoration: none;
}
.brand:hover { color: var(--color-text); }
.brand__mark { width: 28px; height: 28px; }
.brand__name strong { font-weight: 600; }
.brand__name em { font-style: italic; font-weight: 400; color: var(--color-text-muted); }

.nav { display: none; gap: var(--space-6); align-items: center; }
.nav a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: var(--text-sm);
  letter-spacing: 0.01em;
}
.nav a:hover { color: var(--color-text); }
.nav a.active { color: var(--color-text); }

.header__actions { display: flex; gap: var(--space-3); align-items: center; }
.theme-toggle {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; border-radius: var(--radius-md);
  color: var(--color-text-muted);
}
.theme-toggle:hover { color: var(--color-text); background: var(--color-surface-offset); }

.menu-toggle {
  display: inline-flex; width: 36px; height: 36px; align-items: center; justify-content: center;
  color: var(--color-text-muted); border-radius: var(--radius-md);
}
.menu-toggle:hover { color: var(--color-text); background: var(--color-surface-offset); }

@media (min-width: 768px) { .nav { display: flex; } .menu-toggle { display: none; } }

.mobile-nav {
  display: none;
  border-top: 1px solid var(--color-divider);
  padding-block: var(--space-4);
}
.mobile-nav.open { display: block; }
.mobile-nav ul { display: flex; flex-direction: column; gap: var(--space-3); list-style: none; }
.mobile-nav a { color: var(--color-text); text-decoration: none; font-size: var(--text-base); }

/* ==========================================================================
   Hero (homepage)
   ========================================================================== */
.hero {
  padding-block: clamp(var(--space-16), 10vw, var(--space-32));
  border-bottom: 1px solid var(--color-divider);
}
.hero__eyebrow {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-accent);
  margin-bottom: var(--space-6);
  font-weight: 500;
}
.hero__title {
  font-size: var(--text-2xl);
  line-height: 1.05;
  letter-spacing: -0.02em;
  font-weight: 400;
  max-width: 18ch;
  margin-bottom: var(--space-6);
}
.hero__title em { font-style: italic; color: var(--color-primary); }
.hero__lede {
  font-size: var(--text-lg);
  line-height: 1.5;
  color: var(--color-text-muted);
  max-width: 56ch;
  margin-bottom: var(--space-8);
  font-family: var(--font-body);
}
.hero__cta-row { display: flex; gap: var(--space-4); flex-wrap: wrap; }

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex; align-items: center; gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 500;
  text-decoration: none;
  letter-spacing: 0.01em;
  border: 1px solid transparent;
}
.btn--primary { background: var(--color-primary); color: var(--color-text-inverse); }
.btn--primary:hover { background: var(--color-primary-hover); color: var(--color-text-inverse); }
.btn--ghost { color: var(--color-text); border-color: var(--color-border); background: transparent; }
.btn--ghost:hover { background: var(--color-surface-offset); color: var(--color-text); }
.btn--sm { padding: var(--space-2) var(--space-4); font-size: var(--text-xs); }

/* ==========================================================================
   Sections
   ========================================================================== */
.section { padding-block: clamp(var(--space-16), 8vw, var(--space-24)); }
.section + .section { border-top: 1px solid var(--color-divider); }
.section__head { margin-bottom: var(--space-10); display: flex; flex-direction: column; gap: var(--space-3); }
.section__eyebrow {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-text-muted);
}
.section__title { font-size: var(--text-xl); letter-spacing: -0.01em; max-width: 24ch; }
.section__lede { color: var(--color-text-muted); max-width: 56ch; }

/* ==========================================================================
   Feature grid (homepage articles)
   ========================================================================== */
.feature-grid {
  display: grid;
  gap: var(--space-8);
  grid-template-columns: 1fr;
}
@media (min-width: 768px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-10) var(--space-8); }
  .feature-grid > .article-card--feature { grid-column: span 2; }
}

.article-card { display: flex; flex-direction: column; gap: var(--space-3); text-decoration: none; color: inherit; }
.article-card__category {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-accent);
  font-weight: 500;
}
.article-card__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--color-text);
  font-weight: 500;
}
.article-card:hover .article-card__title { color: var(--color-primary); }
.article-card__dek {
  color: var(--color-text-muted);
  font-size: var(--text-base);
  line-height: 1.55;
  max-width: 52ch;
}
.article-card__meta {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  letter-spacing: 0.04em;
  margin-top: var(--space-2);
}

.article-card--feature .article-card__title { font-size: var(--text-xl); max-width: 22ch; }
.article-card--feature .article-card__dek { font-size: var(--text-lg); max-width: 60ch; }

/* ==========================================================================
   Pillars (subject areas)
   ========================================================================== */
.pillar-grid {
  display: grid; gap: var(--space-4);
  grid-template-columns: 1fr;
}
@media (min-width: 640px) { .pillar-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .pillar-grid { grid-template-columns: repeat(5, 1fr); } }

.pillar {
  display: flex; flex-direction: column; gap: var(--space-2);
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: inherit;
}
.pillar:hover { border-color: var(--color-primary); background: var(--color-surface-2); }
.pillar__num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  letter-spacing: 0.05em;
}
.pillar__name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-text);
  letter-spacing: -0.01em;
}
.pillar__count { font-size: var(--text-xs); color: var(--color-text-muted); }

/* ==========================================================================
   Methodology bar (homepage trust strip)
   ========================================================================== */
.methodology-bar {
  background: var(--color-surface-offset);
  border-block: 1px solid var(--color-divider);
  padding-block: var(--space-12);
}
.methodology-bar__grid {
  display: grid; gap: var(--space-8);
  grid-template-columns: 1fr;
}
@media (min-width: 768px) { .methodology-bar__grid { grid-template-columns: repeat(3, 1fr); } }
.methodology-item__num {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--text-2xl);
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-3);
}
.methodology-item__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
  font-weight: 500;
}
.methodology-item__body { color: var(--color-text-muted); font-size: var(--text-sm); line-height: 1.55; }

/* ==========================================================================
   Newsletter
   ========================================================================== */
.newsletter {
  padding-block: var(--space-20);
  text-align: center;
}
.newsletter__title { font-size: var(--text-xl); margin-bottom: var(--space-3); max-width: 24ch; margin-inline: auto; }
.newsletter__lede { color: var(--color-text-muted); max-width: 50ch; margin-inline: auto; margin-bottom: var(--space-8); }
.newsletter__form {
  display: flex; gap: var(--space-2); flex-wrap: wrap;
  max-width: 480px; margin-inline: auto;
}
.newsletter__form input[type="email"] {
  flex: 1 1 240px;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
}
.newsletter__form input[type="email"]:focus { outline: 2px solid var(--color-primary); outline-offset: 2px; }
.newsletter__note { font-size: var(--text-xs); color: var(--color-text-faint); margin-top: var(--space-4); }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  border-top: 1px solid var(--color-divider);
  padding-block: var(--space-16) var(--space-8);
  background: var(--color-surface-offset);
  margin-top: var(--space-20);
}
.site-footer__grid {
  display: grid; gap: var(--space-10);
  grid-template-columns: 1fr;
}
@media (min-width: 768px) { .site-footer__grid { grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: var(--space-12); } }
.footer-col__title {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
  font-weight: 500;
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: var(--space-2); }
.footer-col a { color: var(--color-text-muted); text-decoration: none; font-size: var(--text-sm); }
.footer-col a:hover { color: var(--color-text); }
.footer__about { color: var(--color-text-muted); font-size: var(--text-sm); line-height: 1.55; max-width: 36ch; }
.footer__bottom {
  margin-top: var(--space-12);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-divider);
  display: flex; justify-content: space-between; gap: var(--space-4);
  font-size: var(--text-xs); color: var(--color-text-faint); flex-wrap: wrap;
}

/* ==========================================================================
   Article (long-form)
   ========================================================================== */
.article-hero {
  padding-block: clamp(var(--space-12), 6vw, var(--space-20));
  border-bottom: 1px solid var(--color-divider);
}
.article-hero__category {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}
.article-hero__title {
  font-size: var(--text-2xl);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-6);
  max-width: 22ch;
}
.article-hero__dek {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 60ch;
  line-height: 1.5;
  margin-bottom: var(--space-8);
}
.article-hero__meta {
  display: flex; gap: var(--space-6); flex-wrap: wrap;
  font-size: var(--text-sm); color: var(--color-text-muted);
  padding-top: var(--space-4); border-top: 1px solid var(--color-divider);
}
.article-hero__meta strong { color: var(--color-text); font-weight: 500; }

.prose {
  max-width: var(--content-prose);
  margin-inline: auto;
  padding-block: var(--space-12);
  font-size: 1.0625rem;
  line-height: 1.75;
}
.prose > * + * { margin-top: var(--space-6); }
.prose h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  margin-top: var(--space-12);
  margin-bottom: var(--space-2);
  letter-spacing: -0.01em;
  font-weight: 500;
}
.prose h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  margin-top: var(--space-10);
  margin-bottom: var(--space-2);
  font-weight: 500;
}
.prose p { color: var(--color-text); }
.prose ul, .prose ol { padding-left: var(--space-6); color: var(--color-text); }
.prose li + li { margin-top: var(--space-2); }
.prose blockquote {
  border-left: 3px solid var(--color-primary);
  padding-left: var(--space-6);
  margin-block: var(--space-8);
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--text-lg);
  color: var(--color-text-muted);
}
.prose strong { font-weight: 600; color: var(--color-text); }
.prose a { color: var(--color-primary); text-decoration: underline; text-decoration-color: var(--color-primary-highlight); text-underline-offset: 0.25em; }
.prose a:hover { text-decoration-color: var(--color-primary); }
.prose hr { border: none; border-top: 1px solid var(--color-divider); margin-block: var(--space-12); }

/* Callout box */
.callout {
  margin-block: var(--space-8);
  padding: var(--space-6);
  background: var(--color-surface-offset);
  border-left: 3px solid var(--color-accent);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}
.callout__label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
  font-weight: 500;
}
.callout p { font-size: var(--text-base); line-height: 1.6; color: var(--color-text); }
.callout p + p { margin-top: var(--space-3); }

/* Footer link block (in-article funnel to PeptidesRated) */
.related-resource {
  margin-block: var(--space-12);
  padding: var(--space-8);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-radius: var(--radius-lg);
}
.related-resource__eyebrow {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  margin-bottom: var(--space-3);
  color: color-mix(in srgb, var(--color-text-inverse) 70%, transparent);
}
.related-resource__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  margin-bottom: var(--space-3);
  color: var(--color-text-inverse);
  font-weight: 500;
  letter-spacing: -0.01em;
}
.related-resource__body { font-size: var(--text-sm); line-height: 1.55; margin-bottom: var(--space-5); color: color-mix(in srgb, var(--color-text-inverse) 85%, transparent); }
.related-resource__link {
  display: inline-flex; align-items: center; gap: var(--space-2);
  margin-top: var(--space-2);
  padding: var(--space-3) var(--space-5);
  background: var(--color-text-inverse);
  color: var(--color-primary);
  border-radius: var(--radius-md);
  font-size: var(--text-sm); font-weight: 500;
  text-decoration: none;
}
.related-resource__link:hover { background: var(--color-text-inverse); color: var(--color-primary-active); opacity: 0.92; }

/* TOC */
.toc {
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
  padding: var(--space-5) var(--space-6);
  margin-block: var(--space-8);
  background: var(--color-surface);
}
.toc__title {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
  font-weight: 500;
}
.toc ol { list-style: none; counter-reset: toc; padding: 0; }
.toc li { counter-increment: toc; padding-left: var(--space-6); position: relative; padding-block: var(--space-1); }
.toc li::before {
  content: counter(toc, decimal-leading-zero);
  position: absolute; left: 0; top: var(--space-1);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}
.toc a { color: var(--color-text); text-decoration: none; font-size: var(--text-sm); }
.toc a:hover { color: var(--color-primary); }

/* ==========================================================================
   About / Methodology page
   ========================================================================== */
.page-hero {
  padding-block: clamp(var(--space-16), 8vw, var(--space-24));
  border-bottom: 1px solid var(--color-divider);
}
.page-hero__eyebrow { font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.18em; color: var(--color-accent); margin-bottom: var(--space-4); }
.page-hero__title { font-size: var(--text-2xl); max-width: 20ch; line-height: 1.05; margin-bottom: var(--space-5); }
.page-hero__lede { font-size: var(--text-lg); color: var(--color-text-muted); max-width: 60ch; line-height: 1.5; }

/* Disclosure block */
.disclosure {
  background: var(--color-surface-offset);
  padding: var(--space-6);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-divider);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.55;
  margin-block: var(--space-8);
}
.disclosure strong { color: var(--color-text); }

/* Related reading section (cross-link cards) */
.related-reading {
  background: var(--color-cream-tint, #f5efe4);
  padding: clamp(3rem, 6vw, 5rem) 0;
  border-top: 1px solid rgba(58, 91, 67, 0.12);
  margin-top: 3rem;
}
.related-reading__eyebrow {
  font-family: var(--font-sans, 'Inter', sans-serif);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-terracotta, #a04a2c);
  margin: 0 0 0.5rem;
}
.related-reading__title {
  font-family: var(--font-serif, 'Source Serif 4', serif);
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 500;
  letter-spacing: -0.015em;
  color: var(--color-sage-dark, #3a5b43);
  margin: 0 0 2rem;
  max-width: 36rem;
}
.related-reading__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}
.related-card {
  display: block;
  padding: 1.5rem 1.5rem 1.75rem;
  background: #faf6ef;
  border: 1px solid rgba(58, 91, 67, 0.15);
  border-radius: 8px;
  text-decoration: none;
  color: inherit;
  transition: border-color 200ms ease, transform 200ms ease, box-shadow 200ms ease;
}
.related-card:hover {
  border-color: var(--color-sage-dark, #3a5b43);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(58, 91, 67, 0.08);
}
.related-card__title {
  font-family: var(--font-serif, 'Source Serif 4', serif);
  font-size: 1.2rem;
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--color-sage-dark, #3a5b43);
  margin: 0 0 0.5rem;
}
.related-card__dek {
  font-family: var(--font-sans, 'Inter', sans-serif);
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--color-text-muted, #555);
  margin: 0;
}
@media (prefers-color-scheme: dark) {
  .related-reading { background: rgba(58, 91, 67, 0.08); }
  .related-card { background: rgba(250, 246, 239, 0.04); }
}

/* Site-wide CTA banner (above footer) — drives traffic to PeptidesRated */
.site-cta {
  background: var(--color-sage-dark, #3a5b43);
  color: #faf6ef;
  padding: clamp(3rem, 6vw, 4.5rem) 0;
}
.site-cta__inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: clamp(2rem, 4vw, 4rem);
  align-items: center;
}
@media (max-width: 720px) {
  .site-cta__inner {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}
.site-cta__eyebrow {
  font-family: var(--font-sans, 'Inter', sans-serif);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #d49a7a;
  margin: 0 0 0.75rem;
}
.site-cta__title {
  font-family: var(--font-serif, 'Source Serif 4', serif);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 500;
  font-style: italic;
  letter-spacing: -0.015em;
  line-height: 1.15;
  margin: 0 0 1rem;
  color: #faf6ef;
}
.site-cta__dek {
  font-family: var(--font-sans, 'Inter', sans-serif);
  font-size: 1rem;
  line-height: 1.6;
  color: rgba(250, 246, 239, 0.85);
  margin: 0;
  max-width: 36rem;
}
.site-cta__action {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.875rem;
}
@media (max-width: 720px) {
  .site-cta__action { align-items: stretch; }
}
.site-cta__btn {
  display: inline-block;
  background: #a04a2c;
  color: #faf6ef;
  font-family: var(--font-sans, 'Inter', sans-serif);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.005em;
  padding: 1rem 1.75rem;
  border-radius: 4px;
  text-decoration: none;
  transition: background 200ms ease, transform 200ms ease;
}
.site-cta__btn:hover {
  background: #b85633;
  transform: translateY(-1px);
}
.site-cta__note {
  font-family: var(--font-sans, 'Inter', sans-serif);
  font-size: 0.78rem;
  color: rgba(250, 246, 239, 0.6);
  margin: 0;
  letter-spacing: 0.01em;
}

/* Inline sidebar resource card (within article body) */
.sidebar-resource {
  background: linear-gradient(135deg, #faf6ef 0%, #f5efe4 100%);
  border-left: 3px solid #a04a2c;
  padding: 1.5rem 1.75rem;
  margin: 2rem 0;
  border-radius: 4px;
}
.sidebar-resource__eyebrow {
  font-family: var(--font-sans, 'Inter', sans-serif);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #a04a2c;
  margin: 0 0 0.5rem;
  font-weight: 500;
}
.sidebar-resource__title {
  font-family: var(--font-serif, 'Source Serif 4', serif);
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--color-sage-dark, #3a5b43);
  margin: 0 0 0.5rem;
  line-height: 1.3;
}
.sidebar-resource__dek {
  font-family: var(--font-sans, 'Inter', sans-serif);
  font-size: 0.92rem;
  line-height: 1.5;
  color: var(--color-text, #1c201c);
  margin: 0 0 0.875rem;
}
.sidebar-resource__link {
  display: inline-block;
  font-family: var(--font-sans, 'Inter', sans-serif);
  font-size: 0.92rem;
  font-weight: 500;
  color: #a04a2c;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 1px;
}
.sidebar-resource__link:hover { color: #b85633; }

@media (prefers-color-scheme: dark) {
  .sidebar-resource {
    background: rgba(58, 91, 67, 0.15);
    border-left-color: #c46a48;
  }
}