/* ==========================================================================
   Prostate Health Hub — Design System
   Calm, clinical editorial aesthetic for prostate health content
   Mobile-first. Optimized for readability for US men 45+.
   ========================================================================== */


/* ==========================================================================
   1. DESIGN TOKENS
   ========================================================================== */

:root {
  /* ---- Color: Surfaces ---- */
  --white:          #ffffff;
  --paper:          #fafbfc;       /* Very subtle off-white, default page bg */
  --gray-50:        #f5f6f8;       /* Muted gray sections */
  --gray-100:       #e8eaed;       /* Subtle dividers */
  --gray-200:       #d4d8dd;       /* Borders */
  --gray-300:       #a8b0b8;       /* Disabled states */
  --gray-400:       #76808a;       /* Tertiary text, captions */
  --gray-500:       #5b6470;       /* Secondary text */
  --gray-600:       #404954;       /* Muted body text */

  /* ---- Color: Ink (primary text — deep navy, not black) ---- */
  --ink:            #0a1f3d;       /* Primary text, deep calm navy */
  --ink-soft:       #1e3a5f;       /* Slightly lighter body */

  /* ---- Color: Brand — Navy (primary) ---- */
  --navy:           #1e3a6f;       /* Primary brand, links, accents */
  --navy-deep:      #0f2245;       /* Dark variant for hover/emphasis */
  --navy-soft:      #4a6b9c;       /* Lighter, for subtle uses */
  --navy-50:        #eef4fb;       /* Very pale, for section backgrounds */
  --navy-100:       #d6e4f3;       /* Subtle highlight bg */

  /* ---- Color: Brand — Forest (secondary, "go" signals, CTAs) ---- */
  --forest:         #2d5a3d;       /* Primary CTA color, trust signal */
  --forest-deep:    #1f4029;       /* CTA hover */
  --forest-soft:    #5a8a6e;       /* Lighter green */
  --forest-50:      #eef7f1;       /* Pale green bg */

  /* ---- Color: Accents (used sparingly) ---- */
  --amber-50:       #fef9eb;       /* Disclosure banner bg */
  --amber-200:      #f5e09e;       /* Disclosure border */
  --amber-700:      #8a6510;       /* Disclosure text */
  --amber-900:      #5e4408;

  /* ---- Color: States ---- */
  --success:        #2d5a3d;
  --warning:        #8a6510;
  --info:           #1e3a6f;

  /* ---- Typography ---- */
  --display:        'Source Serif 4', Georgia, 'Times New Roman', serif;
  --body:           'Source Sans 3', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Type scale — mobile-first, larger than typical for 45+ readability */
  --text-xs:        13px;
  --text-sm:        15px;
  --text-base:      18px;       /* Body default — larger than standard 16px */
  --text-lg:        20px;       /* Lede paragraph */
  --text-xl:        22px;       /* H3 / large body */
  --text-2xl:       26px;       /* H2 mobile */
  --text-3xl:       32px;       /* H2 desktop, H1 mobile */
  --text-4xl:       40px;       /* H1 desktop */
  --text-5xl:       48px;       /* Hero h1 desktop */

  /* Line heights — generous for older eyes */
  --leading-tight:  1.2;
  --leading-snug:   1.35;
  --leading-normal: 1.55;
  --leading-body:   1.75;        /* Body — extra generous */
  --leading-relaxed: 1.85;

  /* Letter spacing */
  --tracking-tight: -0.02em;     /* Headlines */
  --tracking-snug:  -0.01em;
  --tracking-normal: 0;
  --tracking-wide:  0.04em;
  --tracking-wider: 0.12em;      /* Labels/eyebrows */
  --tracking-widest: 0.18em;     /* Small caps eyebrows */

  /* Font weights */
  --weight-normal:  400;
  --weight-medium:  500;
  --weight-semibold: 600;
  --weight-bold:    700;

  /* ---- Spacing scale ---- */
  --space-1:        4px;
  --space-2:        8px;
  --space-3:        12px;
  --space-4:        16px;
  --space-5:        20px;
  --space-6:        24px;
  --space-8:        32px;
  --space-10:       40px;
  --space-12:       48px;
  --space-16:       64px;
  --space-20:       80px;
  --space-24:       96px;
  --space-32:       128px;

  /* ---- Layout ---- */
  --content-width:  720px;       /* Reading content max-width */
  --wide-width:     1100px;      /* Wide layout (header, footer) */
  --container-px:   20px;        /* Mobile container padding */

  /* ---- Border radius (subtle — calm, not playful) ---- */
  --radius-sm:      4px;
  --radius:         6px;
  --radius-lg:      10px;
  --radius-pill:    999px;

  /* ---- Shadows (subtle — depth without drama) ---- */
  --shadow-sm:      0 1px 2px rgba(10, 31, 61, 0.04);
  --shadow:         0 2px 8px rgba(10, 31, 61, 0.06);
  --shadow-md:      0 4px 16px rgba(10, 31, 61, 0.08);
  --shadow-lg:      0 8px 32px rgba(10, 31, 61, 0.10);

  /* ---- Transitions ---- */
  --transition:     0.2s ease;
  --transition-slow: 0.35s ease;

  /* ---- Z-index ---- */
  --z-sticky:       50;
  --z-modal:        100;
}

@media (min-width: 768px) {
  :root {
    --container-px: 24px;
    --text-base:    19px;
    --text-lg:      21px;
    --text-xl:      24px;
    --text-2xl:     32px;
    --text-3xl:     40px;
    --text-4xl:     48px;
    --text-5xl:     56px;
  }
}


/* ==========================================================================
   2. RESET / BASE
   ========================================================================== */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--body);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--ink);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

img, svg, video { max-width: 100%; height: auto; display: block; }

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

::selection {
  background: var(--navy-100);
  color: var(--ink);
}


/* ==========================================================================
   3. TYPOGRAPHY
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--display);
  color: var(--ink);
  letter-spacing: var(--tracking-tight);
  font-weight: var(--weight-semibold);
  line-height: var(--leading-tight);
  text-wrap: balance;
}

h1 {
  font-size: var(--text-4xl);
  line-height: 1.1;
}
@media (min-width: 1024px) {
  h1 { font-size: var(--text-5xl); }
}

h2 {
  font-size: var(--text-2xl);
  line-height: 1.15;
  letter-spacing: var(--tracking-snug);
}
@media (min-width: 768px) {
  h2 { font-size: var(--text-3xl); }
}

h3 {
  font-size: var(--text-xl);
  line-height: 1.25;
  letter-spacing: var(--tracking-snug);
}

h4 {
  font-size: var(--text-lg);
  line-height: 1.3;
}

p { color: var(--ink-soft); margin-bottom: var(--space-5); }
p:last-child { margin-bottom: 0; }

a {
  color: var(--navy);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color var(--transition);
}
a:hover { color: var(--navy-deep); }

strong, b { font-weight: var(--weight-semibold); color: var(--ink); }

em, i { font-style: italic; }

small { font-size: var(--text-sm); }

/* Typography utility classes */
.eyebrow {
  font-family: var(--body);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--forest);
  margin-bottom: var(--space-4);
}

.eyebrow-navy { color: var(--navy); }

.lede {
  font-size: var(--text-lg);
  line-height: var(--leading-normal);
  color: var(--ink-soft);
}
@media (min-width: 768px) {
  .lede { font-size: var(--text-xl); }
}

.dek {
  font-family: var(--display);
  font-size: var(--text-lg);
  line-height: var(--leading-normal);
  color: var(--gray-500);
  font-weight: var(--weight-normal);
}
@media (min-width: 768px) {
  .dek { font-size: var(--text-xl); }
}

.caption {
  font-size: var(--text-sm);
  color: var(--gray-400);
  line-height: var(--leading-normal);
}

.muted { color: var(--gray-500); }
.text-center { text-align: center; }


/* ==========================================================================
   4. LAYOUT
   ========================================================================== */

.container {
  max-width: var(--wide-width);
  margin: 0 auto;
  padding-left: var(--container-px);
  padding-right: var(--container-px);
}

.container-narrow {
  max-width: var(--content-width);
  margin: 0 auto;
  padding-left: var(--container-px);
  padding-right: var(--container-px);
}

/* Sections — generous vertical rhythm */
.section {
  padding: var(--space-16) 0;
}
@media (min-width: 768px) { .section { padding: var(--space-20) 0; } }
@media (min-width: 1024px) { .section { padding: var(--space-24) 0; } }

.section-tight { padding: var(--space-12) 0; }
@media (min-width: 768px) { .section-tight { padding: var(--space-16) 0; } }

/* Background helpers */
.bg-paper { background: var(--paper); }
.bg-gray { background: var(--gray-50); }
.bg-navy { background: var(--navy); color: var(--white); }
.bg-navy-deep { background: var(--navy-deep); color: var(--white); }
.bg-forest { background: var(--forest); color: var(--white); }
.bg-navy-50 { background: var(--navy-50); }
.bg-forest-50 { background: var(--forest-50); }

.bg-navy h1, .bg-navy h2, .bg-navy h3, .bg-navy p,
.bg-navy-deep h1, .bg-navy-deep h2, .bg-navy-deep h3, .bg-navy-deep p,
.bg-forest h1, .bg-forest h2, .bg-forest h3, .bg-forest p {
  color: var(--white);
}


/* ==========================================================================
   5. DISCLOSURE BANNER (FTC affiliate disclosure, top of every page)
   ========================================================================== */

.disclosure-bar {
  background: var(--amber-50);
  border-bottom: 1px solid var(--amber-200);
  padding: var(--space-3) var(--container-px);
  font-size: var(--text-sm);
  text-align: center;
  color: var(--amber-700);
  line-height: 1.5;
}
.disclosure-bar a { color: var(--amber-900); font-weight: var(--weight-semibold); }


/* ==========================================================================
   6. SITE HEADER
   ========================================================================== */

.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--gray-100);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  backdrop-filter: blur(10px);
  background-color: rgba(255, 255, 255, 0.94);
}

.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-4);
  padding-bottom: var(--space-4);
}

.site-logo {
  font-family: var(--display);
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--ink);
  text-decoration: none;
  letter-spacing: var(--tracking-tight);
}

.site-nav { display: none; gap: var(--space-8); align-items: center; }
@media (min-width: 768px) { .site-nav { display: flex; } }

.site-nav a {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--gray-500);
  text-decoration: none;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}
.site-nav a:hover { color: var(--navy); }


/* ==========================================================================
   7. BUTTONS
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--body);
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.01em;
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius);
  text-decoration: none;
  transition: all var(--transition);
  cursor: pointer;
  border: 1.5px solid transparent;
  min-height: 52px;            /* Touch-friendly for older fingers */
  justify-content: center;
}

.btn-primary {
  background: var(--forest);
  color: var(--white);
}
.btn-primary:hover {
  background: var(--forest-deep);
  color: var(--white);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-navy {
  background: var(--navy);
  color: var(--white);
}
.btn-navy:hover {
  background: var(--navy-deep);
  color: var(--white);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: transparent;
  color: var(--navy);
  border-color: var(--navy);
}
.btn-outline:hover {
  background: var(--navy);
  color: var(--white);
}

.btn-ghost {
  background: transparent;
  color: var(--ink-soft);
  border-bottom: 2px solid var(--ink-soft);
  border-radius: 0;
  padding-left: 0;
  padding-right: 0;
  min-height: auto;
  padding-top: var(--space-2);
  padding-bottom: var(--space-2);
}
.btn-ghost:hover {
  color: var(--forest);
  border-color: var(--forest);
  transform: none;
}

.btn-block { display: flex; width: 100%; }

.btn .arrow { display: inline-block; transition: transform var(--transition); }
.btn:hover .arrow { transform: translateX(3px); }

.btn-large { padding: var(--space-5) var(--space-10); font-size: var(--text-lg); min-height: 60px; }


/* ==========================================================================
   8. CARDS
   ========================================================================== */

.card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: border-color var(--transition), box-shadow var(--transition);
}
@media (min-width: 768px) { .card { padding: var(--space-10); } }

.card-hoverable:hover {
  border-color: var(--gray-200);
  box-shadow: var(--shadow);
}

.card-soft {
  background: var(--paper);
  border-color: var(--gray-100);
}

.card-feature {
  background: var(--white);
  border: 2px solid var(--forest);
  position: relative;
}

.card-label {
  font-family: var(--body);
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--forest);
  margin-bottom: var(--space-3);
}

.card-label-navy { color: var(--navy); }


/* ==========================================================================
   9. PRODUCT CARD (for listicle)
   ========================================================================== */

.product-card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: var(--space-10);
  display: grid;
  grid-template-columns: 1fr;
}
@media (min-width: 768px) {
  .product-card { grid-template-columns: 320px 1fr; }
}

.product-card-pick {
  border: 2px solid var(--forest);
  box-shadow: var(--shadow);
}

.product-card-media {
  aspect-ratio: 1/1;
  background: var(--gray-50);
  position: relative;
  display: flex;
  align-items: flex-end;
  padding: var(--space-4);
}
@media (min-width: 768px) {
  .product-card-media { aspect-ratio: auto; }
}

.product-card-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-card-badge {
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
  background: var(--white);
  color: var(--ink);
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  z-index: 2;
}
.product-card-badge-pick {
  background: var(--forest);
  color: var(--white);
}

.product-card-body { padding: var(--space-8); }
@media (min-width: 768px) { .product-card-body { padding: var(--space-10); } }

.product-card-rank {
  font-family: var(--body);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: var(--space-3);
}

.product-card h3 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-2);
}
@media (min-width: 768px) {
  .product-card h3 { font-size: var(--text-3xl); }
}

.product-card-tagline {
  color: var(--gray-500);
  font-size: var(--text-base);
  margin-bottom: var(--space-5);
}

.product-card-best-for {
  background: var(--navy-50);
  border-left: 3px solid var(--navy);
  padding: var(--space-4) var(--space-5);
  font-size: var(--text-sm);
  color: var(--ink-soft);
  margin-bottom: var(--space-5);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.product-card-best-for strong { color: var(--ink); }

.proscons {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  margin: var(--space-6) 0;
  padding: var(--space-6) 0;
  border-top: 1px solid var(--gray-100);
  border-bottom: 1px solid var(--gray-100);
}
@media (min-width: 600px) {
  .proscons { grid-template-columns: 1fr 1fr; gap: var(--space-8); }
}

.proscons h4 {
  font-family: var(--body);
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  margin-bottom: var(--space-3);
}
.proscons .pros h4 { color: var(--forest); }
.proscons .cons h4 { color: var(--gray-500); }

.proscons ul { list-style: none; }
.proscons li {
  position: relative;
  padding-left: var(--space-6);
  margin-bottom: var(--space-2);
  font-size: var(--text-sm);
  line-height: 1.55;
  color: var(--ink-soft);
}
.pros li::before {
  content: "✓";
  position: absolute; left: 0; top: 0;
  color: var(--forest); font-weight: 700; font-size: 16px;
}
.cons li::before {
  content: "—";
  position: absolute; left: 0; top: 0;
  color: var(--gray-300); font-weight: 700;
}


/* ==========================================================================
   10. COMPARISON TABLE
   ========================================================================== */

.comparison {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.comparison table {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
}

.comparison th, .comparison td {
  padding: var(--space-5) var(--space-5);
  text-align: left;
  border-bottom: 1px solid var(--gray-100);
  font-size: var(--text-sm);
  vertical-align: middle;
}

.comparison th {
  font-family: var(--display);
  font-weight: var(--weight-semibold);
  font-size: var(--text-lg);
  background: var(--gray-50);
  color: var(--ink);
  letter-spacing: var(--tracking-snug);
}

.comparison th.col-pick {
  background: var(--forest);
  color: var(--white);
}
.comparison th.col-pick small {
  display: block;
  font-family: var(--body);
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
  margin-top: var(--space-1);
}

.comparison td.cell-pick {
  background: var(--forest-50);
  font-weight: var(--weight-semibold);
  color: var(--ink);
}

.comparison .row-label {
  font-family: var(--body);
  font-weight: var(--weight-semibold);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--gray-500);
  background: var(--gray-50);
}

.comparison tr:last-child td { border-bottom: none; }


/* ==========================================================================
   11. FAQ ACCORDION
   ========================================================================== */

.faq-item {
  border-bottom: 1px solid var(--gray-100);
  padding: var(--space-5) 0;
}

.faq-question {
  cursor: pointer;
  font-family: var(--display);
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  line-height: 1.35;
  color: var(--ink);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-5);
  list-style: none;
  letter-spacing: var(--tracking-snug);
  padding: var(--space-2) 0;
}
@media (min-width: 768px) { .faq-question { font-size: var(--text-xl); } }
.faq-question::-webkit-details-marker { display: none; }
.faq-question::after {
  content: "+";
  font-size: 28px;
  font-weight: var(--weight-normal);
  color: var(--forest);
  flex-shrink: 0;
  line-height: 0.8;
  font-family: var(--display);
}
details[open] .faq-question::after { content: "−"; }

.faq-answer {
  padding-top: var(--space-3);
  color: var(--ink-soft);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
}


/* ==========================================================================
   12. STAT BLOCKS (for credibility strips)
   ========================================================================== */

.stat {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding-left: var(--space-5);
  border-left: 2px solid rgba(255,255,255,0.25);
}

.bg-paper .stat, .bg-gray .stat {
  border-left-color: var(--gray-200);
}

.stat-number {
  font-family: var(--display);
  font-size: var(--text-4xl);
  font-weight: var(--weight-semibold);
  line-height: 1;
  letter-spacing: var(--tracking-tight);
}
@media (min-width: 768px) { .stat-number { font-size: var(--text-5xl); } }

.stat-number sup {
  font-size: 0.5em;
  vertical-align: super;
  font-weight: var(--weight-medium);
  opacity: 0.7;
}

.stat-label {
  font-family: var(--body);
  font-size: var(--text-sm);
  line-height: 1.5;
  max-width: 280px;
  color: var(--gray-500);
}

.bg-navy .stat-label, .bg-navy-deep .stat-label, .bg-forest .stat-label {
  color: rgba(255,255,255,0.85);
}


/* ==========================================================================
   13. TRUST BADGES
   ========================================================================== */

.trust-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.trust-badge {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--ink-soft);
}
.trust-badge svg {
  width: 22px;
  height: 22px;
  color: var(--forest);
  flex-shrink: 0;
}


/* ==========================================================================
   14. STAR RATING
   ========================================================================== */

.star-rating {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}
.stars { display: flex; gap: 2px; color: #c89425; }
.stars svg { width: 18px; height: 18px; }
.star-empty { color: var(--gray-200); }
.star-rating-text {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--ink-soft);
}


/* ==========================================================================
   15. CALLOUTS (anxiety-reducing reassurance blocks)
   ========================================================================== */

.callout {
  background: var(--navy-50);
  border-left: 3px solid var(--navy);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: var(--space-5) var(--space-6);
  margin: var(--space-8) 0;
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--ink-soft);
}
.callout strong { color: var(--ink); }

.callout-reassure {
  background: var(--forest-50);
  border-left-color: var(--forest);
}

.callout-note {
  background: var(--amber-50);
  border-left-color: var(--amber-700);
  color: var(--amber-900);
}
.callout-note strong { color: var(--amber-900); }


/* ==========================================================================
   16. PILLS (side effects, tags)
   ========================================================================== */

.pill-list { display: flex; flex-wrap: wrap; gap: var(--space-2); }

.pill {
  display: inline-flex;
  background: var(--white);
  border: 1px solid var(--gray-200);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-pill);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--ink-soft);
}


/* ==========================================================================
   17. DECISION GUIDE (anxiety-reducing "if/then" structure)
   ========================================================================== */

.decision-item {
  padding: var(--space-5) 0;
  border-bottom: 1px solid var(--gray-100);
}
.decision-item:last-child { border-bottom: none; }

.bg-navy .decision-item, .bg-navy-deep .decision-item, .bg-forest .decision-item {
  border-bottom-color: rgba(255,255,255,0.15);
}

.decision-if {
  font-family: var(--display);
  font-style: italic;
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  display: block;
  margin-bottom: var(--space-2);
  color: var(--forest);
}
.bg-navy .decision-if, .bg-navy-deep .decision-if, .bg-forest .decision-if {
  color: rgba(255,255,255,0.85);
}

.decision-then {
  font-size: var(--text-base);
  color: var(--ink-soft);
  line-height: 1.6;
}
.bg-navy .decision-then, .bg-navy-deep .decision-then, .bg-forest .decision-then {
  color: rgba(255,255,255,0.9);
}
.decision-then strong { color: var(--forest); }
.bg-navy .decision-then strong, .bg-navy-deep .decision-then strong, .bg-forest .decision-then strong {
  color: var(--white);
}


/* ==========================================================================
   18. INGREDIENT / FEATURE CARDS
   ========================================================================== */

.ingredient-card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  transition: border-color var(--transition);
}
.ingredient-card:hover { border-color: var(--gray-200); }

.ingredient-icon {
  width: 48px;
  height: 48px;
  color: var(--forest);
  margin-bottom: var(--space-2);
}

.ingredient-card h3 {
  font-size: var(--text-xl);
  margin: 0;
}

.ingredient-card .latin {
  font-family: var(--display);
  font-style: italic;
  font-size: var(--text-sm);
  color: var(--gray-400);
  margin-top: calc(var(--space-2) * -1);
}

.ingredient-card p {
  font-size: var(--text-sm);
  line-height: 1.55;
  color: var(--ink-soft);
  margin-bottom: 0;
}

.ingredient-card .dose {
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  color: var(--forest);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  margin-top: auto;
  padding-top: var(--space-4);
  border-top: 1px solid var(--gray-100);
}


/* ==========================================================================
   19. STICKY MOBILE CTA (hidden on desktop)
   ========================================================================== */

.sticky-cta {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--gray-200);
  padding: var(--space-3) var(--space-4);
  z-index: var(--z-modal);
  display: none;
  box-shadow: 0 -4px 16px rgba(10, 31, 61, 0.08);
}
.sticky-cta.visible { display: block; }
.sticky-cta .btn { width: 100%; min-height: 56px; }
@media (min-width: 1024px) { .sticky-cta { display: none !important; } }
@media (max-width: 1023px) {
  body.with-sticky { padding-bottom: 88px; }
}


/* ==========================================================================
   20. SITE FOOTER
   ========================================================================== */

.site-footer {
  background: var(--navy-deep);
  color: rgba(255, 255, 255, 0.75);
  padding: var(--space-12) var(--container-px);
}
.site-footer-inner { max-width: var(--wide-width); margin: 0 auto; }

.footer-brand {
  font-family: var(--display);
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--white);
  text-align: center;
  margin-bottom: var(--space-5);
  display: block;
  text-decoration: none;
  letter-spacing: var(--tracking-tight);
}
.footer-links {
  display: flex; flex-wrap: wrap; gap: var(--space-6);
  justify-content: center; margin-bottom: var(--space-6);
}
.footer-links a {
  color: rgba(255,255,255,0.75);
  text-decoration: none;
  font-size: var(--text-sm);
  letter-spacing: var(--tracking-wide);
}
.footer-links a:hover { color: var(--white); }
.footer-copy {
  text-align: center;
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.5);
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: var(--space-6);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.6;
}


/* ==========================================================================
   21. DISCLAIMERS
   ========================================================================== */

.disclaimers {
  padding: var(--space-5) var(--container-px);
  background: var(--paper);
  font-size: var(--text-xs);
  line-height: 1.55;
  color: var(--gray-400);
  border-top: 1px solid var(--gray-100);
}
.disclaimers-inner { max-width: var(--content-width); margin: 0 auto; }
.disclaimers p { margin-bottom: var(--space-2); color: var(--gray-400); }
.disclaimers strong { color: var(--gray-500); font-weight: var(--weight-semibold); }
.disclaimers a { color: var(--gray-500); }


/* ==========================================================================
   22. ARTICLE TYPOGRAPHY (for article body content)
   ========================================================================== */

.article-body p {
  margin-bottom: var(--space-6);
}

.article-body h2 {
  margin-top: var(--space-16);
  margin-bottom: var(--space-5);
}
.article-body h2:first-child { margin-top: 0; }

.article-body h3 {
  margin-top: var(--space-10);
  margin-bottom: var(--space-4);
}

.article-body ul, .article-body ol {
  margin-bottom: var(--space-6);
  padding-left: var(--space-6);
}
.article-body li {
  margin-bottom: var(--space-3);
  padding-left: var(--space-2);
  line-height: var(--leading-normal);
}

.article-body strong { color: var(--ink); }


/* ==========================================================================
   23. ACCESSIBILITY (45+ optimized)
   ========================================================================== */

/* Focus states — visible, calm */
:focus-visible {
  outline: 3px solid var(--forest);
  outline-offset: 3px;
  border-radius: 4px;
}

/* Reduce motion for users who request it */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}

/* Print styles */
@media print {
  .disclosure-bar, .site-header, .sticky-cta, .site-footer { display: none; }
  body { font-size: 12pt; color: black; background: white; }
}