/* ============================================================
   BOLLSEN — How to Prevent Tinnitus Guide
   Aesthetic: minimalist precision
   Display: Bricolage Grotesque | Body: Public Sans | Mono: JetBrains Mono
   Palette: #FAF7F0 ground · #2C2A26 ink · #4A6741 accent forest
   ============================================================ */

/* ——— Google Fonts ——— */
@import url('https://fonts.googleapis.com/css2?family=Bricolage+Grotesque:opsz,wght@12..96,300;12..96,400;12..96,500;12..96,600;12..96,700&family=Public+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* ——— CSS Custom Properties ——— */
:root {
  /* Colours */
  --ground:        #FAF7F0;
  --ink:           #2C2A26;
  --ink-muted:     #6B6760;
  --ink-ghost:     #9E9B95;
  --accent:        #4A6741;
  --accent-light:  #E8EEE6;
  --accent-mid:    #6B8F60;
  --rule:          rgba(44, 42, 38, 0.12);
  --rule-strong:   rgba(44, 42, 38, 0.22);
  --white-card:    #FFFDF9;

  /* Typography */
  --font-display:  'Bricolage Grotesque', 'Helvetica Neue', Arial, sans-serif;
  --font-body:     'Public Sans', 'Helvetica Neue', Arial, sans-serif;
  --font-mono:     'JetBrains Mono', 'Courier New', Courier, monospace;

  /* Spacing scale */
  --sp-xs:  0.375rem;
  --sp-sm:  0.625rem;
  --sp-md:  1rem;
  --sp-lg:  1.75rem;
  --sp-xl:  3rem;
  --sp-2xl: 5rem;
  --sp-3xl: 8rem;

  /* Layout */
  --content-width:  68ch;
  --wide-width:     80ch;
  --page-pad:       clamp(1.25rem, 5vw, 3rem);

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ——— Reset & Base ——— */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  background-color: var(--ground);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16.5px;
  line-height: 1.65;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  transition: color 0.2s ease, text-decoration-color 0.2s ease;
}

a:hover {
  color: var(--ink);
  text-decoration-color: var(--ink);
}

/* ——— Layout Utilities ——— */
.container {
  width: 100%;
  max-width: var(--content-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--page-pad);
  padding-right: var(--page-pad);
}

.container--wide {
  max-width: var(--wide-width);
}

/* ——— Skip Navigation ——— */
.skip-nav {
  position: absolute;
  top: -100%;
  left: 1rem;
  background: var(--accent);
  color: var(--ground);
  padding: 0.5rem 1rem;
  font-family: var(--font-body);
  font-size: 0.875rem;
  z-index: 9999;
  border-radius: 0 0 4px 4px;
  text-decoration: none;
}
.skip-nav:focus { top: 0; }

/* ——— Masthead / Site Header ——— */
.site-masthead {
  border-bottom: 1px solid var(--rule);
  background-color: var(--ground);
  position: sticky;
  top: 0;
  z-index: 100;
}

.masthead-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-md);
  height: 52px;
  max-width: calc(var(--wide-width) + 2 * var(--page-pad));
  margin: 0 auto;
  padding: 0 var(--page-pad);
}

.masthead-brand {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink);
  text-decoration: none;
}

.masthead-meta {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--ink-ghost);
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.masthead-pub {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--ink-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ——— Publication Bar ——— */
.pub-bar {
  border-bottom: 1px solid var(--rule);
  padding: var(--sp-sm) 0;
  overflow: hidden;
}

.pub-bar-inner {
  display: flex;
  align-items: center;
  gap: var(--sp-lg);
  flex-wrap: wrap;
  max-width: calc(var(--wide-width) + 2 * var(--page-pad));
  margin: 0 auto;
  padding: 0 var(--page-pad);
}

.pub-bar-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-ghost);
  white-space: nowrap;
  flex-shrink: 0;
}

.pub-bar-press {
  display: flex;
  align-items: center;
  gap: var(--sp-lg);
  flex-wrap: wrap;
}

.pub-bar-press span {
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--ink-muted);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

/* ——— Hero Section ——— */
.hero {
  padding: var(--sp-xl) 0 0;
  background-color: var(--ground);
}

.hero-inner {
  max-width: calc(var(--wide-width) + 2 * var(--page-pad));
  margin: 0 auto;
  padding: 0 var(--page-pad);
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-sm);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--sp-lg);
}

.hero-kicker::before {
  content: '';
  display: inline-block;
  width: 20px;
  height: 1px;
  background-color: var(--accent);
  flex-shrink: 0;
}

.hero-h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5.5vw, 4.2rem);
  font-weight: 650;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: var(--sp-lg);
  max-width: 22ch;
}

.hero-sub {
  font-family: var(--font-body);
  font-size: clamp(1rem, 2vw, 1.15rem);
  font-weight: 400;
  line-height: 1.6;
  color: var(--ink-muted);
  max-width: 55ch;
  margin-bottom: var(--sp-lg);
}

/* Byline card */
.byline-card {
  display: flex;
  align-items: center;
  gap: var(--sp-md);
  padding: var(--sp-md) 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  margin-bottom: var(--sp-xl);
}

.byline-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.byline-avatar svg {
  width: 20px;
  height: 20px;
  opacity: 0.6;
}

.byline-text {
  flex: 1;
}

.byline-author {
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ink);
  display: block;
}

.byline-meta {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--ink-ghost);
  letter-spacing: 0.04em;
  display: block;
  margin-top: 2px;
}

.byline-reviewed {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--accent);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  display: block;
  margin-top: 3px;
}

/* Trust pills */
.trust-pills {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-sm);
  margin-bottom: var(--sp-lg);
}

.trust-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-light);
  border: 1px solid rgba(74, 103, 65, 0.18);
  border-radius: 2px;
  padding: 3px 8px;
  white-space: nowrap;
}

/* Hero CTA */
.hero-cta-group {
  display: flex;
  align-items: center;
  gap: var(--sp-md);
  flex-wrap: wrap;
  margin-bottom: var(--sp-xl);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: var(--accent);
  color: var(--ground);
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 0.75rem 1.5rem;
  border: none;
  cursor: pointer;
  text-decoration: none;
  border-radius: 2px;
  transition: background-color 0.2s ease, transform 0.15s ease;
}

.btn-primary:hover {
  background-color: #3A5232;
  color: var(--ground);
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--ink-muted);
  text-decoration: underline;
  text-underline-offset: 3px;
  background: none;
  border: none;
  cursor: pointer;
}

/* Price anchor */
.price-anchor {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--ink-ghost);
  letter-spacing: 0.04em;
}

/* ——— Frequency Response SVG Chart ——— */
.freq-chart-wrapper {
  background: var(--white-card);
  border: 1px solid var(--rule);
  border-radius: 3px;
  padding: var(--sp-lg);
  margin-bottom: var(--sp-xl);
  overflow: hidden;
}

.freq-chart-title {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-ghost);
  margin-bottom: var(--sp-md);
}

.freq-chart-svg {
  width: 100%;
  height: auto;
  display: block;
}

.freq-legend {
  display: flex;
  gap: var(--sp-lg);
  margin-top: var(--sp-sm);
  flex-wrap: wrap;
}

.freq-legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--ink-muted);
  letter-spacing: 0.04em;
}

.freq-legend-dot {
  width: 10px;
  height: 2px;
  border-radius: 1px;
  flex-shrink: 0;
}

.freq-legend-dot--bollsen { background: var(--accent); }
.freq-legend-dot--foam    { background: var(--ink-ghost); stroke-dasharray: 4; }

/* ——— Table of Contents ——— */
.toc-wrapper {
  background: var(--white-card);
  border: 1px solid var(--rule);
  border-left: 3px solid var(--accent);
  padding: var(--sp-lg);
  margin-bottom: var(--sp-xl);
  border-radius: 0 3px 3px 0;
}

.toc-heading {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-ghost);
  margin-bottom: var(--sp-md);
}

.toc-list {
  list-style: none;
  counter-reset: toc-counter;
}

.toc-list li {
  counter-increment: toc-counter;
  display: flex;
  align-items: baseline;
  gap: var(--sp-sm);
  margin-bottom: 0.4rem;
}

.toc-list li::before {
  content: counter(toc-counter, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--ink-ghost);
  letter-spacing: 0.04em;
  flex-shrink: 0;
}

.toc-list a {
  font-family: var(--font-body);
  font-size: 0.82rem;
  color: var(--ink);
  text-decoration: none;
}

.toc-list a:hover {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ——— Section Dividers ——— */
.section-divider {
  display: flex;
  align-items: center;
  gap: var(--sp-md);
  margin-bottom: var(--sp-xl);
  margin-top: var(--sp-3xl);
}

.section-divider__rule {
  flex: 1;
  height: 1px;
  background: var(--rule-strong);
}

.section-divider__label {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-ghost);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

/* ——— Article Body Sections ——— */
.article-section {
  margin-bottom: var(--sp-2xl);
}

.article-section h2 {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  font-weight: 620;
  line-height: 1.18;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin-bottom: var(--sp-lg);
}

.article-section p {
  margin-bottom: 1.2rem;
  color: var(--ink);
}

.article-section p:last-child {
  margin-bottom: 0;
}

.article-section ul,
.article-section ol {
  margin: 1rem 0 1.4rem 0;
  padding-left: 1.5rem;
}

.article-section li {
  margin-bottom: 0.6rem;
  line-height: 1.6;
}

.article-section strong {
  font-weight: 600;
  color: var(--ink);
}

.article-section em {
  font-style: italic;
  color: var(--ink-muted);
}

.article-section a {
  color: var(--accent);
}

/* Inline CTA link — within body copy */
.inline-cta-link {
  display: inline-block;
  margin-top: var(--sp-md);
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* dB callout — mono data inline */
.db-callout {
  font-family: var(--font-mono);
  font-size: 0.85em;
  font-weight: 500;
  color: var(--accent);
  background: var(--accent-light);
  padding: 1px 5px;
  border-radius: 2px;
  white-space: nowrap;
}

/* ——— Exposure Table ——— */
.exposure-table-wrapper {
  overflow-x: auto;
  margin: var(--sp-lg) 0;
}

.exposure-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}

.exposure-table th {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-ghost);
  padding: 6px 10px;
  text-align: left;
  border-bottom: 1px solid var(--rule-strong);
  background: var(--white-card);
}

.exposure-table td {
  font-family: var(--font-body);
  padding: 8px 10px;
  border-bottom: 1px solid var(--rule);
  color: var(--ink);
  vertical-align: top;
}

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

.exposure-table td:first-child {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.82rem;
  color: var(--ink);
}

.exposure-table .row--danger td {
  background: rgba(180, 60, 60, 0.04);
}

.exposure-table .row--safe td {
  background: rgba(74, 103, 65, 0.04);
}

/* ——— Testimonials ——— */
.testimonials {
  background: var(--white-card);
  border: 1px solid var(--rule);
  border-radius: 3px;
  padding: var(--sp-xl) var(--sp-lg);
  margin-bottom: var(--sp-2xl);
}

.testimonials-heading {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 0.4rem;
}

.testimonials-sub {
  font-family: var(--font-body);
  font-size: 0.82rem;
  color: var(--ink-muted);
  margin-bottom: var(--sp-xl);
}

.testimonial-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-lg);
}

@media (min-width: 640px) {
  .testimonial-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.testimonial-card {
  border-top: 2px solid var(--accent);
  padding-top: var(--sp-md);
}

.testimonial-stars {
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: 2px;
  margin-bottom: var(--sp-sm);
}

.testimonial-quote {
  font-family: var(--font-body);
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--ink);
  font-style: italic;
  margin-bottom: var(--sp-sm);
}

.testimonial-author {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-ghost);
}

.testimonials-aggregate {
  margin-top: var(--sp-xl);
  padding-top: var(--sp-lg);
  border-top: 1px solid var(--rule);
  display: flex;
  align-items: center;
  gap: var(--sp-lg);
  flex-wrap: wrap;
}

.agg-rating {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 650;
  color: var(--ink);
  line-height: 1;
}

.agg-stars {
  font-size: 0.85rem;
  color: var(--accent);
  letter-spacing: 2px;
  display: block;
  margin-top: 2px;
}

.agg-meta {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--ink-ghost);
  letter-spacing: 0.04em;
  display: block;
  margin-top: 4px;
}

/* Press logos strip within testimonials */
.press-strip {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-md);
  align-items: center;
  padding-top: var(--sp-lg);
  border-top: 1px solid var(--rule);
  margin-top: var(--sp-lg);
}

.press-strip-label {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-ghost);
  flex-shrink: 0;
}

.press-item {
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--ink-muted);
}

/* ——— FAQ Accordion ——— */
.faq-section {
  margin-bottom: var(--sp-2xl);
}

.faq-heading {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 620;
  color: var(--ink);
  margin-bottom: var(--sp-xl);
}

.faq-list {
  list-style: none;
}

.faq-item {
  border-top: 1px solid var(--rule);
}

.faq-item:last-child {
  border-bottom: 1px solid var(--rule);
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-md);
  padding: var(--sp-lg) 0;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.4;
}

.faq-question:hover { color: var(--accent); }

.faq-icon {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  position: relative;
}

.faq-icon::before,
.faq-icon::after {
  content: '';
  position: absolute;
  background: currentColor;
  border-radius: 1px;
  transition: transform 0.3s var(--ease-out), opacity 0.3s ease;
}

.faq-icon::before { width: 18px; height: 1.5px; top: 50%; left: 0; transform: translateY(-50%); }
.faq-icon::after  { width: 1.5px; height: 18px; left: 50%; top: 0; transform: translateX(-50%); }

.faq-item[open] .faq-icon::after { transform: translateX(-50%) rotate(90deg); opacity: 0; }

.faq-answer {
  display: none;
  padding: 0 0 var(--sp-lg);
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--ink-muted);
}

.faq-item.is-open .faq-answer { display: block; }
.faq-item.is-open .faq-question { color: var(--accent); }
.faq-item.is-open .faq-icon::after { transform: translateX(-50%) rotate(90deg); opacity: 0; }

/* ——— CTA Block ——— */
.cta-block {
  background: var(--ink);
  color: var(--ground);
  border-radius: 3px;
  padding: var(--sp-xl) var(--sp-xl);
  margin-bottom: var(--sp-2xl);
  text-align: center;
}

.cta-block__headline {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.5vw, 2.1rem);
  font-weight: 650;
  line-height: 1.12;
  letter-spacing: -0.015em;
  color: var(--ground);
  margin-bottom: var(--sp-md);
}

.cta-block__sub {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: rgba(250, 247, 240, 0.55);
  margin-bottom: var(--sp-lg);
  text-transform: uppercase;
}

.cta-block__body {
  font-size: 0.88rem;
  line-height: 1.6;
  color: rgba(250, 247, 240, 0.75);
  max-width: 48ch;
  margin: 0 auto var(--sp-xl);
}

.cta-block__btns {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-md);
}

@media (min-width: 500px) {
  .cta-block__btns { flex-direction: row; justify-content: center; }
}

.btn-cta-main {
  display: inline-flex;
  align-items: center;
  background: var(--accent);
  color: var(--ground);
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 600;
  padding: 0.85rem 1.75rem;
  border-radius: 2px;
  text-decoration: none;
  transition: background-color 0.2s ease, transform 0.15s ease;
}

.btn-cta-main:hover {
  background: #3A5232;
  color: var(--ground);
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-cta-secondary {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-body);
  font-size: 0.82rem;
  color: rgba(250, 247, 240, 0.6);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.btn-cta-secondary:hover { color: var(--ground); text-decoration: underline; }

.cta-block__guarantee {
  margin-top: var(--sp-lg);
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  color: rgba(250, 247, 240, 0.4);
  text-transform: uppercase;
}

.cta-block__disclaimer {
  margin-top: var(--sp-lg);
  font-size: 0.72rem;
  color: rgba(250, 247, 240, 0.35);
  line-height: 1.5;
  max-width: 60ch;
  margin-left: auto;
  margin-right: auto;
  font-style: italic;
}

/* ——— Medical Warning Box ——— */
.warning-box {
  border: 1.5px solid rgba(180, 60, 60, 0.22);
  border-left: 4px solid rgba(180, 60, 60, 0.55);
  background: rgba(180, 60, 60, 0.04);
  border-radius: 0 3px 3px 0;
  padding: var(--sp-lg);
  margin: var(--sp-xl) 0;
}

.warning-box__label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(140, 40, 40, 0.8);
  margin-bottom: var(--sp-sm);
}

.warning-box__content {
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--ink);
}

/* ——— Product Recommendation Card ——— */
.product-card {
  border: 1px solid var(--rule-strong);
  border-top: 3px solid var(--accent);
  background: var(--white-card);
  border-radius: 0 0 3px 3px;
  padding: var(--sp-xl) var(--sp-lg);
  margin: var(--sp-xl) 0;
}

.product-card__badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-light);
  border: 1px solid rgba(74, 103, 65, 0.2);
  padding: 3px 8px;
  border-radius: 2px;
  margin-bottom: var(--sp-md);
}

.product-card__name {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 650;
  color: var(--ink);
  letter-spacing: -0.01em;
  margin-bottom: 0.3rem;
}

.product-card__sub {
  font-size: 0.82rem;
  color: var(--ink-muted);
  margin-bottom: var(--sp-lg);
}

.product-card__price {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 650;
  color: var(--ink);
  letter-spacing: -0.02em;
  margin-bottom: 0.2rem;
}

.product-card__per-use {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  color: var(--ink-ghost);
  text-transform: uppercase;
  margin-bottom: var(--sp-lg);
}

.product-card__features {
  list-style: none;
  margin-bottom: var(--sp-lg);
}

.product-card__features li {
  display: flex;
  align-items: baseline;
  gap: var(--sp-sm);
  font-size: 0.85rem;
  line-height: 1.5;
  padding: 6px 0;
  border-bottom: 1px solid var(--rule);
  color: var(--ink);
}

.product-card__features li:last-child { border-bottom: none; }

.product-card__features li::before {
  content: '→';
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent);
  flex-shrink: 0;
}

.product-card__cta {
  display: block;
  width: 100%;
  background: var(--accent);
  color: var(--ground);
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 600;
  text-align: center;
  padding: 0.9rem;
  border-radius: 2px;
  text-decoration: none;
  transition: background-color 0.2s ease;
}

.product-card__cta:hover {
  background: #3A5232;
  color: var(--ground);
  text-decoration: none;
}

.product-card__guarantee {
  margin-top: var(--sp-md);
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-ghost);
  text-align: center;
}

/* ——— Evidence callout strip ——— */
.evidence-strip {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-md);
  background: var(--white-card);
  border: 1px solid var(--rule);
  border-radius: 3px;
  padding: var(--sp-lg);
  margin-bottom: var(--sp-2xl);
}

.evidence-item {
  flex: 1 1 140px;
  text-align: center;
}

.evidence-item__value {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 650;
  color: var(--ink);
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 2px;
}

.evidence-item__label {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-ghost);
}

/* ——— Footer ——— */
.site-footer {
  border-top: 1px solid var(--rule);
  padding: var(--sp-xl) 0 var(--sp-2xl);
  margin-top: var(--sp-3xl);
}

.footer-inner {
  max-width: calc(var(--wide-width) + 2 * var(--page-pad));
  margin: 0 auto;
  padding: 0 var(--page-pad);
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: var(--sp-md);
}

.footer-disclaimer {
  font-size: 0.75rem;
  color: var(--ink-ghost);
  line-height: 1.6;
  max-width: 65ch;
  margin-bottom: var(--sp-lg);
  font-style: italic;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-md);
}

.footer-links a {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  color: var(--ink-ghost);
  text-decoration: none;
}

.footer-links a:hover { color: var(--ink); text-decoration: underline; }

/* ——— Mobile Sticky CTA ——— */
.mobile-sticky-cta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 200;
  background: var(--ink);
  border-top: 1px solid rgba(250,247,240,0.12);
  padding: 0.75rem var(--page-pad);
  padding-bottom: max(0.75rem, env(safe-area-inset-bottom));
}

.mobile-sticky-cta__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-md);
  max-width: 480px;
  margin: 0 auto;
}

.mobile-sticky-cta__label {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(250,247,240,0.5);
  flex-shrink: 0;
}

.mobile-sticky-cta__btn {
  display: inline-flex;
  align-items: center;
  background: var(--accent);
  color: var(--ground);
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.6rem 1.25rem;
  border-radius: 2px;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color 0.2s ease;
}

.mobile-sticky-cta__btn:hover { background: #3A5232; color: var(--ground); text-decoration: none; }

/* ——— Reveal Animations ——— */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.55s var(--ease-out), transform 0.55s var(--ease-out);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ——— Responsive ——— */
@media (max-width: 768px) {
  :root { --sp-xl: 2rem; --sp-2xl: 3.5rem; --sp-3xl: 5rem; }

  body { font-size: 16px; }

  .masthead-meta { display: none; }

  .hero { padding-top: var(--sp-lg); }

  .hero-h1 { font-size: clamp(2rem, 8vw, 2.6rem); }

  .site-footer { padding-bottom: 6rem; }

  .mobile-sticky-cta { display: block; }

  .cta-block { padding: var(--sp-xl) var(--sp-lg); }

  .cta-block__headline { font-size: 1.5rem; }

  .product-card { padding: var(--sp-lg); }

  .freq-chart-wrapper { padding: var(--sp-md); }

  .testimonials { padding: var(--sp-lg); }
}

@media (max-width: 480px) {
  .pub-bar-press { gap: var(--sp-md); }
  .hero-cta-group { flex-direction: column; align-items: flex-start; }
  .trust-pills { gap: 4px; }
}

/* ——— Print ——— */
@media print {
  .site-masthead, .mobile-sticky-cta, .cta-block { display: none; }
  body { color: #000; background: #fff; }
  a { color: #000; text-decoration: underline; }
}