/* ============================================================
   BOLLSEN 2AM FOAM COLLAPSE — NARRATIVE LONGREAD
   Aesthetic: British Medical Journalism × Harper's Essay
   Fonts: DM Serif Display (display) + Lora (body) + JetBrains Mono (data)
   Palette: Warm paper #FAF7F0 / Charcoal ink #1A1613 / Alarm red #8B1A1A
   ============================================================ */

/* ── CSS CUSTOM PROPERTIES ─────────────────────────────────── */
:root {
  /* Palette */
  --ink:          #1A1613;
  --ink-soft:     #3D3530;
  --ink-muted:    #6B5F57;
  --paper:        #FAF7F0;
  --paper-warm:   #F2EDE3;
  --paper-ruled:  #EDE8DE;
  --alarm:        #8B1A1A;
  --alarm-light:  #C9352B;
  --alarm-pale:   #F5E8E8;
  --accent-gold:  #B8860B;
  --mono-bg:      #EEE9DF;

  /* Typography scale */
  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body:    'Lora', Georgia, 'Times New Roman', serif;
  --font-mono:    'JetBrains Mono', 'Courier New', monospace;

  /* Measure */
  --measure:      64ch;
  --measure-wide: 80ch;
  --gutter:       clamp(1.5rem, 5vw, 4rem);

  /* Spacing scale */
  --space-xs:   0.25rem;
  --space-sm:   0.5rem;
  --space-md:   1rem;
  --space-lg:   2rem;
  --space-xl:   3rem;
  --space-2xl:  5rem;
  --space-3xl:  8rem;

  /* Type scale */
  --text-sm:    0.8125rem;
  --text-base:  1.0625rem;
  --text-md:    1.25rem;
  --text-lg:    1.5rem;
  --text-xl:    1.875rem;
  --text-2xl:   2.5rem;
  --text-3xl:   3.25rem;
  --text-4xl:   clamp(2.5rem, 6vw, 4.5rem);

  /* Leading */
  --leading-tight:   1.15;
  --leading-snug:    1.3;
  --leading-body:    1.78;
  --leading-display: 1.08;
}

/* ── RESET & BASE ──────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 100%;
  scroll-behavior: smooth;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body {
  background-color: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  min-height: 100vh;
  /* Subtle paper grain texture using SVG */
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
}

/* ── ACCESSIBILITY ─────────────────────────────────────────── */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

:focus-visible {
  outline: 2px solid var(--alarm);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ── MASTHEAD ───────────────────────────────────────────────── */
.masthead {
  background-color: var(--ink);
  color: var(--paper);
  padding: var(--space-md) var(--gutter);
  position: relative;
}

.masthead::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--alarm);
}

.masthead-inner {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.masthead-rule {
  height: 1px;
  background: rgba(250, 247, 240, 0.3);
  margin: var(--space-sm) 0;
}

.masthead-rule--thick {
  height: 2px;
  background: rgba(250, 247, 240, 0.6);
}

.masthead-meta {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
  padding: var(--space-xs) 0;
}

.masthead-pub {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--alarm-light);
}

.masthead-sep {
  color: rgba(250, 247, 240, 0.4);
}

.masthead-vol {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: rgba(250, 247, 240, 0.7);
}

/* masthead-tagline removed from HTML to reduce fold height */

/* ── HERO SECTION ──────────────────────────────────────────── */
.hero {
  background-color: var(--paper);
  border-bottom: 2px solid var(--ink);
  padding: var(--space-md) var(--gutter) var(--space-md);
  position: relative;
  overflow: hidden;
}

/* Decorative vertical rule — editorial column marker */
.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 40px;
  background: var(--alarm);
}

.hero-inner {
  max-width: 700px;
  margin: 0 auto;
}

/* Breadcrumb — inline within hero-category */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-muted);
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--ink-muted);
  text-decoration: none;
}

.breadcrumb a:hover {
  color: var(--alarm);
}

.breadcrumb span[aria-hidden] {
  color: var(--paper-ruled);
}

/* Hero category (merged with breadcrumb) */
.hero-category {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
  flex-wrap: wrap;
}

.category-pill {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: var(--alarm);
  color: var(--paper);
  padding: 0.2em 0.7em;
  border-radius: 2px;
}

.category-pipe {
  color: var(--paper-ruled);
}

.category-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

/* H1 — DM Serif Display, no em-dashes, bold impact */
.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(1.875rem, 5vw, 3rem);
  font-weight: 400;
  line-height: var(--leading-display);
  color: var(--ink);
  margin-bottom: var(--space-md);
  letter-spacing: -0.02em;
}

/* Byline */
.byline {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-bottom: var(--space-sm);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--paper-ruled);
}

.byline-author {
  display: flex;
  align-items: baseline;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.byline-name {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--ink);
}

.byline-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--ink-muted);
  text-transform: uppercase;
}

.byline-meta {
  display: flex;
  align-items: center;
  gap: 0.5em;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-muted);
  letter-spacing: 0.04em;
}

.byline-sep {
  color: var(--paper-ruled);
}

/* Hero sub */
.hero-sub {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.55;
  color: var(--ink-soft);
  margin-bottom: var(--space-sm);
}

/* Trust strip */
.trust-strip {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.trust-stars {
  font-size: 1.1rem;
  color: var(--accent-gold);
  letter-spacing: 2px;
}

.trust-count {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--ink-muted);
}

/* ── PRIMARY CTA ───────────────────────────────────────────── */
.hero-cta-wrap {
  margin-bottom: var(--space-md);
}

.cta-primary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--alarm);
  color: var(--paper);
  text-decoration: none;
  padding: 1.1rem 1.5rem;
  border-radius: 3px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1.0625rem;
  line-height: 1.2;
  touch-action: manipulation;
  transition: background-color 0.15s ease, transform 0.1s ease;
  width: 100%;
  max-width: 540px;
  border: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.cta-primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0);
  transition: background 0.15s;
}

.cta-primary:hover {
  background-color: var(--alarm-light);
  transform: translateY(-1px);
}

.cta-primary:hover::after {
  background: rgba(255,255,255,0.05);
}

.cta-primary:active {
  transform: translateY(0);
}

.cta-text {
  flex: 1;
}

.cta-price {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1.1em;
  margin-left: var(--space-md);
  white-space: nowrap;
}

.cta-primary--large {
  font-size: 1.1875rem;
  padding: 1.25rem 1.75rem;
  max-width: none;
}

.cta-guarantee {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  color: var(--ink-muted);
  margin-top: var(--space-sm);
  text-align: center;
  text-transform: uppercase;
}

/* Secondary CTA */
.cta-secondary {
  display: block;
  background: transparent;
  border: 1.5px solid var(--ink);
  color: var(--ink);
  text-decoration: none;
  padding: 1rem 1.5rem;
  border-radius: 3px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  text-align: center;
  touch-action: manipulation;
  transition: background-color 0.15s, color 0.15s;
  width: 100%;
}

.cta-secondary:hover {
  background: var(--ink);
  color: var(--paper);
}

/* ── PRESS BAR ─────────────────────────────────────────────── */
.press-bar {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
  padding-top: var(--space-md);
  border-top: 1px solid var(--paper-ruled);
}

.press-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.press-name {
  font-family: var(--font-body);
  font-style: italic;
  font-size: 0.8125rem;
  color: var(--ink-soft);
  white-space: nowrap;
}

.press-sep {
  color: var(--paper-ruled);
  font-size: 0.875rem;
}

/* ── ARTICLE BODY LAYOUT ───────────────────────────────────── */
.article-body {
  padding: 0 var(--gutter);
  max-width: 100%;
}

.article-inner {
  max-width: 900px;
  margin: 0 auto;
}

/* Ensure main never exceeds readable measure */
main {
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
  overflow-x: hidden;
}

/* ── NARRATIVE SECTION (CAROL OPENING) ─────────────────────── */
.narrative-section {
  padding: var(--space-2xl) 0 var(--space-xl);
  max-width: var(--measure);
  margin: 0 auto;
}

.narrative-section p {
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--ink);
  margin-bottom: 1.5em;
}

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

/* Dropcap — editorial magazine opening */
.dropcap-para {
  position: relative;
}

.dropcap {
  float: left;
  font-family: var(--font-display);
  font-size: 5.5em;
  line-height: 0.78;
  margin-right: 0.06em;
  margin-top: 0.07em;
  color: var(--alarm);
  font-style: italic;
  /* subtle text shadow for ink depth */
  text-shadow: 1px 1px 0 rgba(139, 26, 26, 0.2);
}

/* ── SECTION BREAKS ─────────────────────────────────────────── */
.section-break {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-xl) 0 var(--space-lg);
  max-width: 900px;
  margin: 0 auto;
}

.section-break::after {
  content: '';
  height: 1px;
  background: var(--ink);
  display: block;
  grid-column: 2;
  align-self: center;
  transform: translateY(0.1em);
}

/* override for solution section — use alarm red */
.section-break--solution .section-break-number {
  color: var(--alarm);
  border-color: var(--alarm);
}

.section-break--solution::after {
  background: var(--alarm);
}

.section-break-number {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--alarm);
  border: 1px solid var(--alarm);
  padding: 0.2em 0.6em;
  border-radius: 2px;
  white-space: nowrap;
}

.section-break-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-muted);
  white-space: nowrap;
}

/* ── CONTENT SECTIONS ──────────────────────────────────────── */
.content-section {
  position: relative;
  padding-bottom: var(--space-2xl);
}

/* Section headings — DM Serif Display */
.section-heading {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 400;
  line-height: var(--leading-snug);
  color: var(--ink);
  max-width: var(--measure);
  margin: 0 auto var(--space-lg);
  letter-spacing: -0.015em;
}

.section-heading--products {
  text-align: center;
  max-width: none;
  margin-bottom: var(--space-sm);
}

.content-section p {
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--ink);
  max-width: var(--measure);
  margin: 0 auto 1.5em;
}

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

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

/* ── MARGIN NOTES ───────────────────────────────────────────── */
/*
  On desktop (>=1100px): float into margin using negative margin.
  On mobile: render as inline callout.
*/
.margin-note {
  background: var(--mono-bg);
  border-left: 3px solid var(--alarm);
  padding: 0.875rem 1rem;
  border-radius: 0 2px 2px 0;
  margin: 0 auto var(--space-lg);
  max-width: var(--measure);
}

.margin-note p {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1.55;
  color: var(--ink-soft);
  max-width: none !important;
  margin: 0 !important;
}

.mono-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--alarm);
  margin-bottom: 0.4em;
}

/* Desktop: float margin notes into the margin */
@media (min-width: 1100px) {
  .content-section {
    padding-left: 0;
  }

  .margin-note {
    position: absolute;
    width: 200px;
    max-width: none;
    margin: 0;
  }

  .margin-note--right {
    right: -230px;
    top: calc(var(--space-lg) + var(--text-3xl) * 1.5);
  }

  .margin-note--left {
    left: -230px;
    top: calc(var(--space-lg) + var(--text-3xl) * 1.5);
  }

  /* Overflow wrapper for margin note positioning */
  .article-inner {
    max-width: 900px;
    position: relative;
  }

  .content-section {
    max-width: 680px;
    margin: 0 auto;
    position: relative;
  }

  .section-heading {
    max-width: none;
  }

  .content-section p,
  .narrative-section p {
    max-width: none;
  }
}

/* ── EVIDENCE NOTE ─────────────────────────────────────────── */
.evidence-note {
  background: var(--paper-warm);
  border: 1px solid var(--paper-ruled);
  border-radius: 2px;
  padding: 1rem 1.25rem;
  max-width: var(--measure);
  margin: var(--space-lg) auto 0;
}

.evidence-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 0.5em;
}

.evidence-note p {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.6;
  color: var(--ink-muted);
  max-width: none !important;
  margin: 0 !important;
}

/* ── VOC INLINE BLOCKQUOTE ─────────────────────────────────── */
.voc-inline {
  border: none;
  border-left: 4px solid var(--paper-ruled);
  padding: 0.75rem 1.25rem;
  max-width: var(--measure);
  margin: var(--space-lg) auto;
  font-style: italic;
}

.voc-inline p {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--ink-soft);
  font-style: italic;
  max-width: none !important;
  margin: 0 0 0.5em !important;
}

.voc-inline cite {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-muted);
  font-style: normal;
}

/* ── PATENT CALLOUT ─────────────────────────────────────────── */
.patent-callout {
  border: 2px solid var(--ink);
  padding: var(--space-lg);
  max-width: var(--measure);
  margin: var(--space-xl) auto;
  position: relative;
  background: var(--paper);
}

/* Corner decoration */
.patent-callout::before,
.patent-callout::after {
  content: '';
  position: absolute;
  width: 12px;
  height: 12px;
  background: var(--alarm);
}

.patent-callout::before {
  top: -6px;
  left: -6px;
}

.patent-callout::after {
  bottom: -6px;
  right: -6px;
}

.patent-callout-inner {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  gap: var(--space-sm) var(--space-lg);
  align-items: start;
}

.patent-label {
  grid-column: 1;
  grid-row: 1;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--alarm);
  align-self: start;
  padding-top: 0.15em;
}

.patent-number {
  grid-column: 2;
  grid-row: 1 / 3;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  line-height: 1.2;
  color: var(--ink);
}

.patent-number strong {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--alarm);
}

.patent-desc {
  grid-column: 1;
  grid-row: 2;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1.55;
  color: var(--ink-muted);
  max-width: 200px;
}

@media (max-width: 600px) {
  .patent-callout-inner {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }

  .patent-number {
    grid-column: 1;
    grid-row: 2;
  }

  .patent-desc {
    grid-column: 1;
    grid-row: 3;
    max-width: none;
  }
}

/* ── DATA COMPARE ───────────────────────────────────────────── */
.data-compare {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  background: var(--paper-warm);
  border: 1px solid var(--paper-ruled);
  border-radius: 3px;
  padding: var(--space-lg);
  max-width: var(--measure);
  margin: var(--space-xl) auto;
  flex-wrap: wrap;
}

.data-compare-col {
  text-align: center;
  flex: 1;
  min-width: 140px;
}

.data-compare-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: var(--space-sm);
}

.data-compare-value {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.data-compare-value--bad { color: var(--ink-soft); }
.data-compare-value--good { color: var(--alarm); }

.data-compare-sub {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--ink-muted);
  line-height: 1.4;
}

.data-compare-vs {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-style: italic;
  color: var(--paper-ruled);
  flex-shrink: 0;
}

/* ── PULL QUOTE FULL BLEED ─────────────────────────────────── */
.pull-quote-full {
  background-color: var(--ink);
  padding: var(--space-3xl) var(--gutter);
  margin: var(--space-2xl) 0;
  /* Extends slightly beyond the article column */
  width: calc(100% + (var(--gutter) * 0));
  position: relative;
}

.pull-quote-full::before {
  content: '\201C';
  position: absolute;
  top: var(--space-lg);
  left: var(--gutter);
  font-family: var(--font-display);
  font-size: clamp(4rem, 10vw, 8rem);
  color: var(--alarm);
  line-height: 1;
  opacity: 0.6;
}

.pull-quote-text {
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
}

.pull-quote-text p {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-style: italic;
  line-height: 1.28;
  color: var(--paper);
  margin-bottom: var(--space-md);
  letter-spacing: -0.01em;
}

.pull-quote-text cite {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(250, 247, 240, 0.5);
  font-style: normal;
  display: block;
}

/* ── SOCIAL PROOF SECTION ──────────────────────────────────── */
.proof-section {
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--paper-ruled);
  border-bottom: 1px solid var(--paper-ruled);
  margin-bottom: var(--space-2xl);
}

/* Aggregate stats */
.proof-stats {
  display: flex;
  justify-content: center;
  gap: clamp(1.5rem, 5vw, 4rem);
  padding: var(--space-xl) 0;
  flex-wrap: wrap;
}

.proof-stat {
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.proof-stat-number {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 400;
  color: var(--ink);
  line-height: 1;
}

.proof-stat-stars {
  color: var(--accent-gold);
  font-size: 0.7em;
}

.proof-stat-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

/* Testimonials — newspaper column style */
.testimonials {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-lg);
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--paper-ruled);
}

.testimonial {
  padding: var(--space-md);
  border-left: 3px solid var(--paper-ruled);
  background: var(--paper-warm);
  border-radius: 0 2px 2px 0;
}

.testimonial-stars {
  font-size: 0.875rem;
  color: var(--accent-gold);
  letter-spacing: 2px;
  margin-bottom: var(--space-sm);
}

.testimonial-body {
  font-family: var(--font-body);
  font-style: italic;
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--ink-soft);
  margin-bottom: var(--space-sm);
}

.testimonial-cite {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-muted);
  font-style: normal;
  display: block;
}

/* Press as-seen */
.press-as-seen {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--paper-ruled);
  flex-wrap: wrap;
}

.press-as-seen-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-muted);
  flex-shrink: 0;
}

.press-names {
  display: flex;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.press-names span {
  font-family: var(--font-body);
  font-style: italic;
  font-size: 0.875rem;
  color: var(--ink-soft);
}

/* ── COST TABLE ─────────────────────────────────────────────── */
.cost-table {
  max-width: var(--measure);
  margin: var(--space-xl) auto;
  border: 1px solid var(--paper-ruled);
  border-radius: 2px;
  overflow: hidden;
}

.cost-row {
  display: grid;
  grid-template-columns: 1.5fr 1fr 2fr;
  gap: 0;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--paper-ruled);
  align-items: center;
}

.cost-row:last-child {
  border-bottom: none;
}

.cost-row--header {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.cost-row--highlight {
  background: var(--alarm-pale);
  border-left: 4px solid var(--alarm);
}

.cost-row span {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--ink-soft);
  line-height: 1.4;
  padding: 0.1em 0.5em;
}

.cost-row strong {
  font-weight: 600;
  color: var(--ink);
}

.cost-bad  { color: var(--ink-muted) !important; }
.cost-mid  { color: var(--ink-soft) !important; }
.cost-good { color: var(--alarm) !important; font-weight: 600; }

@media (max-width: 640px) {
  .cost-row {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto;
    gap: var(--space-xs);
  }

  .cost-row span:nth-child(3) {
    grid-column: 1 / -1;
    padding-top: 0;
    border-top: 1px solid var(--paper-ruled);
    font-size: 0.72rem;
  }

  .cost-row--header span:nth-child(3) {
    display: none;
  }
}

/* ── GUARANTEE BLOCK ────────────────────────────────────────── */
.guarantee-block {
  background: var(--paper-warm);
  border: 2px solid var(--ink);
  border-radius: 3px;
  padding: var(--space-xl);
  max-width: 720px;
  margin: var(--space-2xl) auto;
  position: relative;
}

.guarantee-block::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--alarm);
  border-radius: 3px 3px 0 0;
}

.guarantee-header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.guarantee-icon {
  font-size: 0.875rem;
  color: var(--alarm);
  margin-top: 0.35em;
  flex-shrink: 0;
}

.guarantee-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  line-height: var(--leading-snug);
  color: var(--ink);
}

.guarantee-body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--ink-soft);
  margin-bottom: var(--space-md);
}

.guarantee-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--space-sm);
}

.guarantee-list li {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--ink);
  padding-left: 1.25em;
  position: relative;
}

.guarantee-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--alarm);
  font-size: 0.875rem;
}

/* ── PRODUCT CARDS SECTION ──────────────────────────────────── */
.products-section {
  padding: var(--space-xl) 0 var(--space-2xl);
}

.products-sub {
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  color: var(--ink-muted);
  margin-bottom: var(--space-xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.product-card {
  border: 1.5px solid var(--ink);
  border-radius: 3px;
  padding: var(--space-lg);
  background: var(--paper);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.product-card--arki {
  background: var(--paper-warm);
}

.product-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: var(--ink);
  color: var(--paper);
  padding: 0.2em 0.7em;
  border-radius: 2px;
  align-self: flex-start;
}

.product-label--precision {
  background: var(--alarm);
}

.product-heading {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  color: var(--ink);
  line-height: var(--leading-snug);
}

.arki-label {
  font-family: var(--font-body);
  font-style: italic;
  font-size: 0.85em;
  font-weight: 400;
}

.product-sub {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--ink-soft);
  line-height: 1.55;
}

.product-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5em;
}

.product-features li {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-soft);
  line-height: 1.5;
  padding-left: 1.25em;
  position: relative;
}

.product-features li::before {
  content: '◼';
  position: absolute;
  left: 0;
  font-size: 0.45em;
  top: 0.45em;
  color: var(--alarm);
}

.product-price {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--paper-ruled);
}

.price-main {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--ink);
  line-height: 1;
}

.price-sub {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--ink-muted);
  letter-spacing: 0.04em;
}

.arki-comparison {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--ink-muted);
  letter-spacing: 0.06em;
  text-align: center;
  margin-top: var(--space-sm);
}

.cta-body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--ink-soft);
  max-width: var(--measure);
  margin: 0 auto var(--space-xl);
  text-align: center;
}

.final-cta-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
}

.final-cta-wrap .cta-primary {
  max-width: 480px;
}

/* ── FAQ SECTION ────────────────────────────────────────────── */
.faq-section {
  padding: var(--space-xl) 0 var(--space-2xl);
  border-top: 2px solid var(--ink);
  max-width: 720px;
  margin: 0 auto;
}

.faq-list {
  display: flex;
  flex-direction: column;
  margin-top: var(--space-lg);
}

.faq-item {
  border-bottom: 1px solid var(--paper-ruled);
}

.faq-item:first-child {
  border-top: 1px solid var(--paper-ruled);
}

.faq-q {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-base);
  color: var(--ink);
  padding: 1.125rem 1.75rem 1.125rem 0;
  cursor: pointer;
  list-style: none;
  position: relative;
  line-height: 1.4;
}

.faq-q::-webkit-details-marker { display: none; }
.faq-q::marker { display: none; }

.faq-q::after {
  content: '+';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 1.25rem;
  color: var(--alarm);
  transition: transform 0.2s ease;
}

details[open] .faq-q::after {
  content: '−';
}

.faq-a {
  padding: 0 0 var(--space-lg);
}

.faq-a p {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--ink-soft);
  max-width: none;
  margin: 0;
}

/* ── ARTICLE FOOTER ─────────────────────────────────────────── */
.article-footer {
  padding: var(--space-xl) 0 var(--space-3xl);
  max-width: 720px;
  margin: 0 auto;
}

.footer-rule {
  height: 2px;
  background: var(--ink);
  margin-bottom: var(--space-lg);
}

.footer-disclaimer {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1.65;
  color: var(--ink-muted);
  margin-bottom: var(--space-md);
}

.footer-copyright {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--ink-muted);
  opacity: 0.6;
}

/* ── STICKY MOBILE CTA ─────────────────────────────────────── */
.sticky-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--ink);
  border-top: 3px solid var(--alarm);
  padding: 0.875rem var(--gutter);
  z-index: 100;
  transform: translateY(100%);
  transition: transform 0.3s ease;
  /* Safe area for iPhone home indicator */
  padding-bottom: calc(0.875rem + env(safe-area-inset-bottom, 0px));
}

.sticky-cta.is-visible {
  transform: translateY(0);
}

.sticky-cta-inner {
  max-width: 600px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.sticky-cta-left {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sticky-cta-rating {
  font-size: 0.875rem;
  color: var(--accent-gold);
  letter-spacing: 2px;
}

.sticky-cta-reviews {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  color: rgba(250, 247, 240, 0.5);
  text-transform: uppercase;
}

.sticky-cta-btn {
  background: var(--alarm);
  color: var(--paper);
  text-decoration: none;
  padding: 0.75rem 1.25rem;
  border-radius: 2px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9375rem;
  white-space: nowrap;
  touch-action: manipulation;
  transition: background-color 0.15s;
}

.sticky-cta-btn:hover {
  background-color: var(--alarm-light);
}

/* ── PAGE LOAD ANIMATION ────────────────────────────────────── */
.masthead,
.hero-category,
.hero-headline,
.byline,
.hero-sub,
.trust-strip,
.hero-cta-wrap,
.press-bar {
  animation: fadeRise 0.55s ease both;
}

.hero-category   { animation-delay: 0.05s; }
.hero-headline   { animation-delay: 0.12s; }
.byline          { animation-delay: 0.20s; }
.hero-sub        { animation-delay: 0.27s; }
.trust-strip     { animation-delay: 0.33s; }
.hero-cta-wrap   { animation-delay: 0.40s; }
.press-bar       { animation-delay: 0.47s; }

@keyframes fadeRise {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Reduced motion overrides */
@media (prefers-reduced-motion: reduce) {
  .masthead,
  .hero-category,
  .hero-headline,
  .byline,
  .hero-sub,
  .trust-strip,
  .hero-cta-wrap,
  .press-bar {
    animation: none;
  }

  .cta-primary,
  .cta-secondary,
  .sticky-cta,
  .faq-q::after {
    transition: none;
  }
}

/* ── RESPONSIVE ADJUSTMENTS ─────────────────────────────────── */
@media (max-width: 768px) {
  :root {
    --text-3xl: 2rem;
    --text-4xl: 2.25rem;
  }

  .section-break {
    grid-template-columns: auto 1fr;
    gap: var(--space-sm);
  }

  .section-break-label {
    display: none; /* too crowded on small screens */
  }

  .proof-stats {
    gap: var(--space-lg);
  }

  .product-grid {
    grid-template-columns: 1fr;
  }

  .guarantee-list {
    grid-template-columns: 1fr;
  }

  .pull-quote-full {
    padding: var(--space-2xl) var(--gutter);
  }

  .patent-callout-inner {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  :root {
    --text-3xl: 1.75rem;
    --text-4xl: 2rem;
  }

  .dropcap {
    font-size: 4em;
  }

  .hero-headline {
    letter-spacing: -0.01em;
  }

  .cost-table {
    font-size: 0.75rem;
  }
}