/* ============================================================
   BOLLSEN AR KI Tech Precision Fit — Presell Page
   Aesthetic: retro-futuristic / 1970s lab instrument + 2030 spatial computing
   Display: Major Mono Display
   Body: Karla
   Mono accent: Space Mono
   Ground: deep charcoal warm-near-black
   Content cards: warm off-white paper
   Accent: CRT amber
   ============================================================ */

/* ============================================================
   1. CSS CUSTOM PROPERTIES
   ============================================================ */
:root {
  /* Color palette — never pure #000 or pure #fff */
  --col-ground:        #1A1714;    /* warm near-black: deep charcoal with warm bias */
  --col-ground-mid:    #232019;    /* mid-dark surface */
  --col-ground-light:  #2E2A24;    /* raised surface */
  --col-card:          #F4EFE6;    /* warm off-white paper */
  --col-card-dark:     #ECE6D9;    /* slightly darker card */
  --col-amber:         #F5A623;    /* CRT amber accent */
  --col-amber-dim:     #C88010;    /* dimmed amber */
  --col-amber-glow:    rgba(245, 166, 35, 0.15);  /* ambient amber */
  --col-text-card:     #1F1C18;    /* body text on card */
  --col-text-dim:      #6B6354;    /* muted text on card */
  --col-text-light:    #C8BBA6;    /* light text on dark ground */
  --col-text-ground:   #E8DFD0;    /* primary text on dark */
  --col-hairline:      rgba(245, 166, 35, 0.18);  /* hairline on dark */
  --col-hairline-card: rgba(31, 28, 24, 0.12);    /* hairline on card */
  --col-positive:      #4CAF7D;    /* comparison positive */
  --col-negative:      #C44A3A;    /* comparison negative */
  --col-neutral:       #8A7E6C;    /* comparison neutral */

  /* Typography */
  --font-display: 'Major Mono Display', 'Courier New', monospace;
  --font-body:    'Karla', 'Georgia', system-ui, sans-serif;
  --font-mono:    'Space Mono', 'Courier New', monospace;

  /* Spacing */
  --max-w:   860px;
  --max-w-lg: 1100px;
  --pad-x:   clamp(1.25rem, 4vw, 2.5rem);
  --pad-x-sm: 1.125rem;

  /* Transitions */
  --transition-fast:  0.18s ease;
  --transition-base:  0.28s ease;
  --transition-slow:  0.45s ease;
}

/* ============================================================
   2. RESET + BASE
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--col-ground);
  color: var(--col-text-ground);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--col-amber);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: #FFB740;
}

/* ============================================================
   3. MOBILE STICKY CTA
   ============================================================ */
.mobile-sticky-cta {
  display: none; /* hidden on desktop — shown on mobile */
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: var(--col-ground-mid);
  border-top: 1px solid var(--col-hairline);
  padding: 0.75rem var(--pad-x-sm);
}

.sticky-cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  max-width: 480px;
  margin: 0 auto;
}

.sticky-cta-copy {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}

.sticky-price {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  color: var(--col-amber);
  line-height: 1.2;
}

.sticky-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--col-text-light);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.sticky-cta-btn {
  display: inline-block;
  background-color: var(--col-amber);
  color: var(--col-ground);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.65rem 1.1rem;
  border-radius: 2px;
  white-space: nowrap;
  transition: background-color var(--transition-fast);
}

.sticky-cta-btn:hover {
  background-color: #FFB740;
  color: var(--col-ground);
}

/* ============================================================
   4. MASTHEAD / PUBLICATION STRIP
   ============================================================ */
.masthead {
  background-color: var(--col-ground);
  border-bottom: 1px solid var(--col-hairline);
  padding: 0.75rem var(--pad-x);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
}

.masthead-inner {
  max-width: var(--max-w-lg);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.masthead-brand {
  display: flex;
  align-items: center;
  gap: 0.625rem;
}

.masthead-logo {
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 0.15em;
  color: var(--col-amber);
}

.masthead-divider {
  color: var(--col-hairline);
}

.masthead-pub {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--col-text-light);
}

.masthead-vol {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  color: var(--col-text-dim);
  color: var(--col-amber-dim);
}

/* ============================================================
   5. HERO SECTION
   ============================================================ */
.hero {
  background-color: var(--col-ground);
  border-bottom: 1px solid var(--col-hairline);
  padding: 3rem var(--pad-x) 3.5rem;
}

.hero-content {
  max-width: var(--max-w);
  margin: 0 auto;
}

/* Press bar */
.press-bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--col-hairline);
}

.press-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--col-amber-dim);
}

.press-items {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  color: var(--col-text-light);
}

.press-sep {
  color: var(--col-hairline);
  opacity: 0.6;
}

/* Category kicker */
.hero-kicker {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}

.kicker-tag {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--col-amber-dim);
  background-color: var(--col-amber-glow);
  padding: 0.2rem 0.5rem;
  border: 1px solid rgba(245, 166, 35, 0.2);
}

.kicker-sep {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--col-hairline);
}

/* H1 */
.hero-h1 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4.5vw, 2.8rem);
  line-height: 1.15;
  color: var(--col-text-ground);
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
}

.hero-br {
  display: block;
}

/* Subhead */
.hero-subhead {
  font-family: var(--font-body);
  font-size: clamp(1rem, 2vw, 1.2rem);
  font-weight: 400;
  color: var(--col-text-light);
  line-height: 1.65;
  margin-bottom: 1.75rem;
  max-width: 640px;
}

/* Byline card */
.byline-card {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  margin-bottom: 2rem;
  padding: 0.75rem 1rem;
  background-color: var(--col-ground-light);
  border-left: 2px solid var(--col-amber);
}

.byline-avatar {
  width: 40px;
  height: 40px;
  min-width: 40px;
  background-color: var(--col-amber-glow);
  border: 1px solid var(--col-amber);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--col-amber);
  letter-spacing: 0.05em;
}

.byline-info {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}

.byline-author {
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--col-text-ground);
}

.byline-title {
  font-family: var(--font-body);
  font-size: 0.75rem;
  color: var(--col-text-light);
  font-style: italic;
}

.byline-meta {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.06em;
  color: var(--col-amber-dim);
}

/* ============================================================
   6. EAR MEASUREMENT CONSOLE — SIGNATURE PROOF ARTIFACT
   ============================================================ */
.ear-console {
  background-color: var(--col-ground-mid);
  border: 1px solid var(--col-hairline);
  margin-bottom: 1.75rem;
  font-family: var(--font-mono);
}

.console-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0.875rem;
  border-bottom: 1px solid var(--col-hairline);
  background-color: var(--col-ground-light);
}

.console-tag {
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  color: var(--col-amber);
  text-transform: uppercase;
}

.console-status {
  font-size: 0.6rem;
  color: var(--col-amber);
  letter-spacing: 0.1em;
}

.blink {
  animation: blink-anim 1.4s step-end infinite;
}

@keyframes blink-anim {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.2; }
}

.console-body {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 0;
}

.ear-schematic {
  padding: 1rem;
  border-right: 1px solid var(--col-hairline);
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(245, 166, 35, 0.02);
}

.ear-schematic svg {
  width: 100%;
  max-width: 200px;
  height: auto;
}

.console-readouts {
  padding: 0.75rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.readout-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  padding: 0.2rem 0;
  border-bottom: 1px solid rgba(245, 166, 35, 0.06);
}

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

.readout-label {
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  color: var(--col-amber-dim);
  text-transform: uppercase;
  white-space: nowrap;
}

.readout-value {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--col-text-ground);
  letter-spacing: 0.06em;
  text-align: right;
}

.readout-amber {
  color: var(--col-amber);
}

.readout-divider {
  height: 1px;
  background-color: var(--col-hairline);
  margin: 0.25rem 0;
}

.readout-result .readout-label {
  color: var(--col-amber);
}

.console-footer {
  display: flex;
  justify-content: space-between;
  padding: 0.4rem 0.875rem;
  border-top: 1px solid var(--col-hairline);
  background-color: var(--col-ground-light);
}

.console-patent,
.console-cert {
  font-size: 0.55rem;
  letter-spacing: 0.1em;
  color: var(--col-amber-dim);
  text-transform: uppercase;
}

/* ============================================================
   7. TRUST STRIP
   ============================================================ */
.trust-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.trust-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.08em;
  color: var(--col-text-ground);
  background-color: var(--col-ground-light);
  border: 1px solid var(--col-hairline);
  padding: 0.3rem 0.625rem;
}

.trust-star {
  color: var(--col-amber);
  font-size: 0.7rem;
}

/* ============================================================
   8. PRICE ANCHOR
   ============================================================ */
.price-anchor {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.875rem;
  margin-bottom: 1.5rem;
  padding: 0.875rem 1rem;
  background-color: var(--col-amber-glow);
  border: 1px solid rgba(245, 166, 35, 0.25);
}

.price-ar-ki {
  font-family: var(--font-mono);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--col-amber);
  letter-spacing: 0.04em;
}

.price-ar-ki em {
  font-family: var(--font-body);
  font-style: italic;
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--col-text-light);
  margin-left: 0.25rem;
}

.price-standard {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--col-text-light);
  letter-spacing: 0.04em;
}

.price-vs {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--col-amber-dim);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* ============================================================
   9. CTA BUTTONS
   ============================================================ */
.hero-cta-block {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.cta-primary {
  display: inline-block;
  background-color: var(--col-amber);
  color: var(--col-ground);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 1rem 2rem;
  text-align: center;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
  border: none;
  cursor: pointer;
}

.cta-primary:hover {
  background-color: #FFB740;
  color: var(--col-ground);
  transform: translateY(-1px);
}

.hero-cta {
  align-self: flex-start;
}

.cta-subtext {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  color: var(--col-amber-dim);
  text-transform: uppercase;
}

/* ============================================================
   10. ARTICLE BODY + SECTION LAYOUT
   ============================================================ */
.article-body {
  background-color: var(--col-ground);
}

.article-section {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 2.5rem var(--pad-x);
  background-color: var(--col-card);
  border-radius: 0;
  position: relative;
}

.article-section + .article-section {
  border-top: 1px solid var(--col-hairline-card);
}

.article-section p {
  font-family: var(--font-body);
  font-size: clamp(0.95rem, 1.5vw, 1.05rem);
  color: var(--col-text-card);
  line-height: 1.75;
  margin-bottom: 1.25rem;
}

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

.article-section strong {
  font-weight: 700;
  color: var(--col-text-card);
}

.lede {
  font-size: clamp(1.05rem, 1.8vw, 1.2rem) !important;
  font-weight: 500;
  color: var(--col-text-card) !important;
  border-left: 3px solid var(--col-amber);
  padding-left: 1rem;
}

/* Section headings */
.section-h2 {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.5vw, 1.55rem);
  line-height: 1.25;
  color: var(--col-text-card);
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
}

/* Section dividers */
.section-divider {
  display: flex;
  align-items: center;
  gap: 1rem;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 1.5rem var(--pad-x);
}

.divider-line {
  flex: 1;
  height: 1px;
  background-color: var(--col-hairline);
}

.divider-tag {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.16em;
  color: var(--col-amber-dim);
  text-transform: uppercase;
  white-space: nowrap;
}

/* Inline links */
.inline-link {
  font-family: var(--font-body);
  font-weight: 600;
  color: var(--col-amber-dim);
  border-bottom: 1px solid var(--col-amber-dim);
  padding-bottom: 1px;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.inline-link:hover {
  color: var(--col-amber);
  border-color: var(--col-amber);
}

/* ============================================================
   11. TELEMETRY BLOCK
   ============================================================ */
.telemetry-block {
  background-color: var(--col-ground);
  border: 1px solid var(--col-hairline);
  margin-top: 2rem;
  padding: 1.25rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}

.telemetry-row {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--col-hairline);
  border-right: 1px solid var(--col-hairline);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.telemetry-row:nth-child(even) {
  border-right: none;
}

.telemetry-row:nth-last-child(-n+2) {
  border-bottom: none;
}

.tel-metric {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--col-amber);
  line-height: 1;
  letter-spacing: -0.02em;
}

.tel-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  color: var(--col-text-light);
  text-transform: uppercase;
}

/* ============================================================
   12. COMPARISON TABLE
   ============================================================ */
.comparison-table {
  margin-top: 1.5rem;
  margin-bottom: 1.5rem;
  border: 1px solid var(--col-hairline-card);
  overflow: hidden;
}

.comp-row {
  display: grid;
  grid-template-columns: 1.4fr 1.6fr 1.6fr;
  border-bottom: 1px solid var(--col-hairline-card);
}

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

.comp-row > div {
  padding: 0.75rem 0.875rem;
  font-family: var(--font-body);
  font-size: 0.8rem;
  line-height: 1.5;
  color: var(--col-text-card);
  border-right: 1px solid var(--col-hairline-card);
}

.comp-row > div:last-child {
  border-right: none;
}

.comp-header {
  background-color: var(--col-ground);
}

.comp-header > div {
  font-family: var(--font-mono) !important;
  font-size: 0.6rem !important;
  letter-spacing: 0.14em !important;
  text-transform: uppercase !important;
  color: var(--col-amber-dim) !important;
}

.comp-spec {
  font-weight: 600;
}

.comp-loop {
  color: var(--col-neutral) !important;
}

.comp-bollsen {
  background-color: rgba(245, 166, 35, 0.04);
}

.comp-positive {
  color: var(--col-text-card) !important;
}

.comp-negative {
  color: var(--col-negative) !important;
  opacity: 0.85;
}

.comparison-note {
  font-size: 0.85rem !important;
  color: var(--col-text-dim) !important;
  font-style: italic;
  margin-top: 1rem !important;
}

/* ============================================================
   13. EVIDENCE LIST
   ============================================================ */
.evidence-list {
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.evidence-item {
  padding: 1rem 1.25rem;
  border-left: 2px solid var(--col-hairline-card);
  margin-bottom: 0.875rem;
  background-color: var(--col-card-dark);
}

.evidence-tier {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--col-amber-dim);
  margin-bottom: 0.5rem;
}

.evidence-claim {
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: var(--col-text-card);
  line-height: 1.6;
}

/* ============================================================
   14. OBJECTION BLOCKS
   ============================================================ */
.objection-block {
  margin-bottom: 2rem;
  padding: 1.25rem 1.5rem;
  background-color: var(--col-card-dark);
  border-top: 2px solid var(--col-amber);
}

.objection-q {
  font-family: var(--font-display);
  font-size: clamp(0.9rem, 1.8vw, 1.1rem);
  line-height: 1.3;
  color: var(--col-text-card);
  margin-bottom: 0.875rem;
  letter-spacing: -0.01em;
}

.objection-block p {
  font-size: 0.9rem !important;
  margin-bottom: 0 !important;
}

/* ============================================================
   15. TESTIMONIALS
   ============================================================ */
.testimonial-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: 1.5rem;
  margin-bottom: 2rem;
}

.testimonial-card {
  background-color: var(--col-card-dark);
  padding: 1.25rem;
  border-bottom: 1px solid var(--col-hairline-card);
}

.testimonial-outcome-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--col-amber-dim);
  margin-bottom: 0.75rem;
}

.testimonial-quote {
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-style: italic;
  color: var(--col-text-card);
  line-height: 1.65;
  margin-bottom: 0.625rem;
  border-left: none;
  padding-left: 0;
}

.testimonial-source {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  color: var(--col-text-dim);
  font-style: normal;
}

/* Aggregate rating counter */
.aggregate-rating {
  text-align: center;
  padding: 2rem 1rem;
  background-color: var(--col-ground);
  border: 1px solid var(--col-hairline);
}

.agg-number {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 8vw, 5rem);
  color: var(--col-amber);
  line-height: 1;
  letter-spacing: -0.04em;
}

.agg-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--col-text-light);
  text-transform: uppercase;
  margin-top: 0.5rem;
}

.agg-stars {
  color: var(--col-amber);
}

/* ============================================================
   16. COST TABLE
   ============================================================ */
.cost-table {
  border: 1px solid var(--col-hairline-card);
  overflow: hidden;
  margin-bottom: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.cost-row {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  border-bottom: 1px solid var(--col-hairline-card);
}

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

.cost-row > div {
  padding: 0.625rem 0.875rem;
  color: var(--col-text-card);
  border-right: 1px solid var(--col-hairline-card);
  line-height: 1.45;
}

.cost-row > div:last-child {
  border-right: none;
}

.cost-header {
  background-color: var(--col-ground);
}

.cost-header > div {
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 0.6rem;
  color: var(--col-amber-dim);
}

.cost-highlight {
  color: var(--col-amber) !important;
  font-weight: 700;
}

.cost-worst > div {
  color: var(--col-text-dim) !important;
}

/* ============================================================
   17. FINAL CTA SECTION
   ============================================================ */
.cta-section {
  background-color: var(--col-ground-mid);
  border-top: 1px solid var(--col-hairline);
  border-bottom: 1px solid var(--col-hairline);
  padding: 4rem var(--pad-x);
  text-align: center;
}

.cta-console-header {
  margin-bottom: 2rem;
}

.cta-console-tag {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.16em;
  color: var(--col-amber-dim);
  text-transform: uppercase;
}

.cta-h2 {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3.5vw, 2.2rem);
  line-height: 1.2;
  color: var(--col-text-ground);
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.cta-subhead {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--col-amber-dim);
  text-transform: uppercase;
  margin-bottom: 1.75rem;
}

.cta-body {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--col-text-light);
  line-height: 1.7;
  max-width: 600px;
  margin: 0 auto 2.25rem;
}

.cta-large {
  display: block;
  max-width: 420px;
  margin: 0 auto 1rem;
  font-size: 1rem;
  padding: 1.2rem 2.5rem;
}

.cta-secondary {
  display: block;
  max-width: 280px;
  margin: 0 auto 1.75rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--col-text-light);
  border: 1px solid var(--col-hairline);
  padding: 0.75rem 1.5rem;
  text-align: center;
  text-transform: uppercase;
  transition: border-color var(--transition-fast), color var(--transition-fast);
}

.cta-secondary:hover {
  border-color: var(--col-amber);
  color: var(--col-amber);
}

.cta-guarantee {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.1em;
  color: var(--col-amber-dim);
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}

.cta-trust-row {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  color: var(--col-text-light);
}

.trust-sep {
  color: var(--col-hairline);
}

/* ============================================================
   18. FOOTER
   ============================================================ */
.site-footer {
  background-color: var(--col-ground);
  border-top: 1px solid var(--col-hairline);
  padding: 3rem var(--pad-x);
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: 0.2em;
  color: var(--col-amber);
  margin-bottom: 1.25rem;
}

.footer-disclaimer {
  font-family: var(--font-body);
  font-size: 0.75rem;
  color: var(--col-text-dim);
  line-height: 1.7;
  margin-bottom: 1.25rem;
}

.footer-links {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
}

.footer-link {
  color: var(--col-amber-dim);
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--col-amber);
}

.footer-sep {
  color: var(--col-hairline);
  margin: 0 0.5rem;
}

/* ============================================================
   19. REVEAL ANIMATION
   ============================================================ */
.reveal-block {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

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

/* ============================================================
   20. RESPONSIVE — MOBILE FIRST
   ============================================================ */

/* Mobile: max-width 768px */
@media (max-width: 768px) {
  :root {
    --pad-x: var(--pad-x-sm);
  }

  /* Show mobile sticky CTA */
  .mobile-sticky-cta {
    display: block;
  }

  /* Add bottom padding to body so sticky CTA doesn't overlap content */
  body {
    padding-bottom: 72px;
  }

  /* Masthead compact */
  .masthead-vol {
    display: none;
  }

  /* Hero adjustments */
  .hero {
    padding: 2rem var(--pad-x-sm) 2.5rem;
  }

  .hero-h1 {
    font-size: clamp(1.4rem, 6vw, 2rem);
  }

  .hero-br {
    display: none;
  }

  /* Ear console: stack vertically on very small screens */
  .console-body {
    grid-template-columns: 1fr;
  }

  .ear-schematic {
    border-right: none;
    border-bottom: 1px solid var(--col-hairline);
    padding: 0.75rem;
  }

  .ear-schematic svg {
    max-width: 160px;
    margin: 0 auto;
  }

  /* Trust strip wraps */
  .trust-strip {
    gap: 0.375rem;
  }

  /* Price anchor stack */
  .price-anchor {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  /* CTA full width */
  .cta-primary.hero-cta {
    width: 100%;
    text-align: center;
  }

  /* Article sections full width */
  .article-section {
    padding: 2rem var(--pad-x-sm);
  }

  /* Section dividers compact */
  .section-divider {
    padding: 1rem var(--pad-x-sm);
  }

  .divider-tag {
    font-size: 0.55rem;
    letter-spacing: 0.1em;
  }

  /* Telemetry block single column on small mobile */
  .telemetry-block {
    grid-template-columns: 1fr;
  }

  .telemetry-row {
    border-right: none;
  }

  .telemetry-row:nth-last-child(-n+2) {
    border-bottom: 1px solid var(--col-hairline);
  }

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

  /* Comparison table: scroll on mobile */
  .comparison-table {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .comp-row {
    min-width: 580px;
  }

  /* Testimonial grid single column (already) */

  /* CTA section */
  .cta-section {
    padding: 3rem var(--pad-x-sm);
  }

  .cta-large {
    max-width: 100%;
  }

  .cta-secondary {
    max-width: 100%;
  }

  /* Cost table scroll */
  .cost-table {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .cost-row {
    min-width: 460px;
  }

  /* CTA trust row */
  .cta-trust-row {
    font-size: 0.55rem;
  }
}

/* Medium: 769px - 1024px */
@media (min-width: 769px) and (max-width: 1024px) {
  .article-section,
  .section-divider,
  .cta-section {
    padding-left: clamp(1.5rem, 3vw, 2rem);
    padding-right: clamp(1.5rem, 3vw, 2rem);
  }

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

  .telemetry-block {
    grid-template-columns: 1fr 1fr;
  }
}

/* Desktop: 1025px+ */
@media (min-width: 1025px) {
  .mobile-sticky-cta {
    display: none;
  }

  .testimonial-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .telemetry-block {
    grid-template-columns: repeat(4, 1fr);
  }

  .telemetry-row {
    border-right: 1px solid var(--col-hairline);
  }

  .telemetry-row:last-child {
    border-right: none;
  }

  .telemetry-row:nth-last-child(-n+2) {
    border-bottom: 1px solid var(--col-hairline);
  }
}

/* ============================================================
   21. PRINT / ACCESSIBILITY
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  .reveal-block {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .blink {
    animation: none;
  }
}

@media print {
  .mobile-sticky-cta,
  .masthead {
    display: none;
  }

  body {
    background-color: #F4EFE6;
    color: #1F1C18;
    padding-bottom: 0;
  }
}