/* ============================================================
   BOLLSEN Life+ — 8 Reasons Listicle
   Aesthetic: Wirecutter-grade evidence dossier
   Display font: Archivo Black (numbers/headers) — bold, authoritative
   Body font: Libre Baskerville (editorial serif) — readable, trustworthy
   Palette: Warm ink on warm paper
   ============================================================ */

/* === CUSTOM PROPERTIES === */
:root {
  /* Colours — warm ink / warm paper palette */
  --ink:         #1A1613;
  --ink-muted:   #3D3530;
  --ink-light:   #6B5E57;
  --paper:       #FAF7F0;
  --paper-warm:  #F2EDE3;
  --paper-deep:  #E8E1D3;
  --accent:      #C04A2A;     /* evidence red — calibrated, not alarming */
  --accent-dk:   #9B3820;
  --accent-warm: #D4692E;
  --pass-green:  #2A6B3A;
  --warn-amber:  #9A5E0A;
  --cert-blue:   #1B3F6E;
  --cert-gold:   #B8920A;
  --border:      #D4C9B8;
  --border-light:#E6DFD0;

  /* Typography */
  --font-display: 'Archivo Black', 'Impact', sans-serif;
  --font-body:    'Libre Baskerville', 'Georgia', serif;
  --font-mono:    'JetBrains Mono', 'Courier New', monospace;

  /* Spacing */
  --content-max:  740px;
  --reason-gap:   4.5rem;
  --section-gap:  5rem;

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

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.72;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
a:hover { color: var(--accent-dk); }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }

/* === MASTHEAD === */
.masthead {
  background-color: var(--ink);
  color: var(--paper);
  padding: 0.55rem 1.25rem;
  text-align: center;
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 2px solid var(--accent);
}

.masthead-inner {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.masthead-pub {
  font-weight: 500;
  color: var(--paper);
}

.masthead-sep {
  color: var(--accent);
  opacity: 0.8;
}

.masthead-vol,
.masthead-date {
  color: var(--paper-deep);
}

/* === PRESS BAR === */
.press-bar {
  background-color: var(--paper-warm);
  border-bottom: 1px solid var(--border);
  padding: 0.5rem 1.25rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.press-bar-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink-light);
  white-space: nowrap;
  min-width: max-content;
  margin: 0 auto;
}

.press-label {
  color: var(--ink-muted);
  font-weight: 500;
}

.press-divider {
  color: var(--border);
}

.press-name {
  color: var(--ink-muted);
}

/* === HERO === */
.hero {
  background-color: var(--ink);
  color: var(--paper);
  position: relative;
  overflow: hidden;
  padding: 3.5rem 1.5rem 3rem;
}

/* Grain texture overlay */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.045'/%3E%3C/svg%3E");
  background-size: 256px 256px;
  opacity: 0.35;
  pointer-events: none;
}

/* Horizontal rule accent */
.hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent-warm) 60%, transparent 100%);
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 640px;
  margin: 0 auto;
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--paper-deep);
  margin-bottom: 1.25rem;
}

.badge-count {
  background-color: var(--accent);
  color: var(--paper);
  padding: 0.1em 0.45em;
  border-radius: 2px;
  font-weight: 700;
}

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 5.5vw, 3.25rem);
  line-height: 1.08;
  color: var(--paper);
  margin-bottom: 1.1rem;
  letter-spacing: -0.01em;
}

.hero-sub {
  font-family: var(--font-body);
  font-size: 1.05rem;
  color: var(--paper-deep);
  margin-bottom: 2rem;
  max-width: 540px;
  line-height: 1.55;
}

/* Byline */
.byline-block {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  margin-bottom: 1.75rem;
  padding: 1rem 1.1rem;
  background: rgba(250, 247, 240, 0.07);
  border: 1px solid rgba(250, 247, 240, 0.12);
  border-radius: 3px;
}

.byline-avatar {
  width: 40px;
  height: 40px;
  min-width: 40px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--paper);
  font-family: var(--font-display);
  font-size: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  letter-spacing: 0.02em;
}

.byline-text {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.byline-name {
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--paper);
}

.byline-creds,
.byline-sources {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.07em;
  color: var(--paper-deep);
  opacity: 0.8;
}

/* Trust row */
.hero-trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 2rem;
}

.trust-pill {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(250, 247, 240, 0.06);
  border: 1px solid rgba(250, 247, 240, 0.15);
  padding: 0.35rem 0.65rem;
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.07em;
  color: var(--paper-deep);
}

.trust-stars {
  color: #F5C842;
  font-size: 0.8rem;
  letter-spacing: -0.05em;
}

.trust-cert {
  font-family: var(--font-display);
  font-size: 0.65rem;
  background: var(--cert-blue);
  color: var(--paper);
  padding: 0.1em 0.35em;
  border-radius: 2px;
}

/* CTA buttons */
.cta-btn {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  background-color: var(--accent);
  color: var(--paper);
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 0.01em;
  padding: 0.9rem 1.75rem;
  border-radius: 3px;
  transition: background-color 0.18s, transform 0.12s;
  touch-action: manipulation;
  cursor: pointer;
  border: none;
  text-align: center;
}

.cta-btn:hover {
  background-color: var(--accent-dk);
  color: var(--paper);
  transform: translateY(-1px);
}

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

.cta-hero {
  width: 100%;
  max-width: 440px;
  margin-bottom: 0.35rem;
  font-size: 1.05rem;
}

.cta-sub {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  opacity: 0.8;
  margin-top: 0.25rem;
  font-weight: 400;
}

.cta-btn--alt {
  background-color: transparent;
  border: 2px solid var(--paper);
  color: var(--paper);
}

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

/* Decorative large number */
.hero-deco {
  position: absolute;
  right: -0.05em;
  bottom: -0.1em;
  font-family: var(--font-display);
  font-size: clamp(8rem, 28vw, 18rem);
  line-height: 1;
  color: rgba(250, 247, 240, 0.03);
  pointer-events: none;
  user-select: none;
  z-index: 0;
}

/* TOC */
.hero-toc {
  margin-top: 2.25rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(250, 247, 240, 0.12);
}

.toc-label {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--paper-deep);
  opacity: 0.6;
  margin-bottom: 0.65rem;
}

.toc-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.toc-list li {
  counter-increment: none;
}

.toc-list a {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  color: var(--paper-deep);
  text-decoration: none;
  opacity: 0.75;
  transition: opacity 0.15s;
}

.toc-list a:hover { opacity: 1; text-decoration: underline; }

/* === INTRO === */
.intro-section {
  padding: 3.5rem 1.5rem;
  border-bottom: 1px solid var(--border-light);
}

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

.lede {
  font-family: var(--font-body);
  font-size: clamp(1.2rem, 3vw, 1.55rem);
  font-style: italic;
  line-height: 1.5;
  color: var(--ink);
  margin-bottom: 1.25rem;
}

.intro-section p {
  font-size: 1.0rem;
  color: var(--ink-muted);
  margin-bottom: 1.1rem;
  max-width: 65ch;
}

.intro-bridge {
  font-family: var(--font-display);
  font-size: 1.15rem !important;
  color: var(--ink) !important;
  margin-top: 1.5rem;
  padding-left: 1rem;
  border-left: 3px solid var(--accent);
}

/* === REASONS WRAPPER === */
.reasons-wrapper {
  background-color: var(--paper);
}

/* === REASON LAYOUT === */
.reason {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 0 2rem;
  padding: 3.5rem 1.5rem;
  border-bottom: 1px solid var(--border-light);
  max-width: 900px;
  margin: 0 auto;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.55s var(--ease-out), transform 0.55s var(--ease-out);
}

.reason.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reason {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

.reason-number-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 0.2rem;
}

.reason-num {
  font-family: var(--font-display);
  font-size: 2.5rem;
  line-height: 1;
  color: var(--paper-deep);
  letter-spacing: -0.02em;
  min-width: 60px;
  text-align: center;
}

.reason-num--large {
  font-size: 3.5rem;
  color: var(--accent);
}

.reason-line {
  flex: 1;
  width: 1px;
  background-color: var(--border-light);
  margin-top: 0.75rem;
  min-height: 2rem;
}

/* Reason content */
.reason-content-col {
  min-width: 0;
}

.reason-headline {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 3.2vw, 1.65rem);
  line-height: 1.18;
  color: var(--ink);
  margin-bottom: 0.5rem;
  letter-spacing: -0.01em;
}

.reason-sub-hl {
  font-family: var(--font-body);
  font-style: italic;
  font-weight: 400;
  font-size: 0.9em;
  color: var(--ink-muted);
  display: block;
}

.evidence-tag {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink-light);
  margin-bottom: 1.25rem;
  padding: 0.3rem 0.55rem;
  background-color: var(--paper-warm);
  border-left: 2px solid var(--accent);
  display: inline-block;
}

.reason-content-col p {
  font-size: 0.97rem;
  color: var(--ink-muted);
  margin-bottom: 1rem;
  max-width: 62ch;
  line-height: 1.75;
}

/* VOC quotes */
.voc-quote {
  font-family: var(--font-body);
  font-style: italic;
  font-size: 0.95rem;
  color: var(--ink-light);
  border-left: 3px solid var(--border);
  padding: 0.6rem 1.1rem;
  margin: 1.25rem 0;
  background-color: var(--paper-warm);
}

/* Aside note */
.aside-note {
  font-family: var(--font-mono);
  font-size: 0.72rem !important;
  letter-spacing: 0.03em;
  color: var(--ink-light) !important;
  background-color: var(--paper-warm);
  border: 1px dashed var(--border);
  padding: 0.65rem 0.85rem;
  margin-top: 1rem;
}

/* Inline CTA link */
.cta-inline {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.82rem;
  letter-spacing: 0.03em;
  color: var(--accent);
  text-decoration: none;
  border-bottom: 2px solid var(--accent);
  padding-bottom: 1px;
  margin-top: 1rem;
  transition: color 0.15s, border-color 0.15s;
}

.cta-inline:hover {
  color: var(--accent-dk);
  border-color: var(--accent-dk);
}

/* === MECHANISM BOX (Reason 1) === */
.mechanism-box {
  background-color: var(--ink);
  color: var(--paper);
  padding: 1.25rem 1.35rem;
  margin: 1.5rem 0;
  border-radius: 3px;
  position: relative;
  overflow: hidden;
}

.mechanism-box::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--accent);
}

.mech-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--paper-deep);
  opacity: 0.65;
  margin-bottom: 0.85rem;
}

.mech-grid {
  display: flex;
  align-items: stretch;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.mech-item {
  flex: 1;
  min-width: 140px;
  background: rgba(250, 247, 240, 0.05);
  border: 1px solid rgba(250, 247, 240, 0.1);
  padding: 0.7rem 0.85rem;
  border-radius: 2px;
}

.mech-item--warn {
  border-color: rgba(154, 94, 10, 0.4);
  background: rgba(154, 94, 10, 0.08);
}

.mech-item--crit {
  border-color: rgba(192, 74, 42, 0.45);
  background: rgba(192, 74, 42, 0.1);
}

.mech-time {
  display: block;
  font-family: var(--font-display);
  font-size: 0.78rem;
  color: var(--paper);
  margin-bottom: 0.3rem;
}

.mech-desc {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--paper-deep);
  line-height: 1.45;
}

.mech-arrow {
  display: flex;
  align-items: center;
  color: var(--paper-deep);
  opacity: 0.4;
  font-size: 1.1rem;
  align-self: center;
}

/* === STAT CALLOUT (Reason 2) === */
.stat-callout {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  background-color: var(--paper-deep);
  padding: 1.25rem 1.35rem;
  margin: 1.5rem 0;
  border-radius: 3px;
  border-left: 4px solid var(--accent);
}

.stat-num {
  font-family: var(--font-display);
  font-size: 3rem;
  color: var(--accent);
  line-height: 1;
  white-space: nowrap;
}

.stat-desc {
  font-family: var(--font-body);
  font-size: 0.88rem;
  color: var(--ink-muted);
  font-style: italic;
}

/* === PATENT BLOCK (Reason 3) === */
.reason--patent {
  background-color: var(--paper-warm);
}

.patent-block {
  background-color: var(--paper);
  border: 1px solid var(--border);
  margin: 1.5rem 0;
  border-radius: 3px;
  overflow: hidden;
}

.patent-header {
  background-color: var(--cert-blue);
  color: var(--paper);
  padding: 0.65rem 1.1rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.patent-badge {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background-color: var(--cert-gold);
  color: var(--ink);
  padding: 0.2em 0.5em;
  border-radius: 2px;
}

.patent-office {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.07em;
  color: rgba(250, 247, 240, 0.75);
}

.patent-number {
  font-family: var(--font-display);
  font-size: 2.4rem;
  color: var(--cert-blue);
  padding: 0.5rem 1.1rem 0;
  letter-spacing: 0.02em;
}

.patent-title {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.07em;
  color: var(--ink-light);
  text-transform: uppercase;
  padding: 0 1.1rem 0.75rem;
}

.patent-body {
  padding: 0.85rem 1.1rem 1.1rem;
  border-top: 1px solid var(--border-light);
}

.patent-claim {
  font-family: var(--font-body);
  font-size: 0.88rem;
  color: var(--ink-muted);
  margin-bottom: 1rem;
  line-height: 1.6;
}

.patent-claim-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-light);
  margin-bottom: 0.35rem;
}

.patent-vs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.patent-vs-item {
  flex: 1;
  padding: 0.75rem 0.85rem;
  border-radius: 2px;
}

.patent-vs-them {
  background-color: var(--paper-warm);
  border: 1px solid var(--border);
}

.patent-vs-us {
  background-color: rgba(27, 63, 110, 0.07);
  border: 1px solid rgba(27, 63, 110, 0.25);
}

.pvs-label {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink-light);
  margin-bottom: 0.25rem;
}

.pvs-text {
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 0.15rem;
}

.pvs-sub {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--ink-light);
}

.patent-vs-divider {
  font-family: var(--font-display);
  font-size: 0.75rem;
  color: var(--ink-light);
  padding: 0 0.25rem;
}

/* === CERTIFICATION CARDS (Reason 4) === */
.reason--cert {
  background-color: var(--paper);
}

.cert-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 1.5rem 0;
}

.cert-card {
  padding: 1.1rem;
  border-radius: 3px;
  border: 1px solid var(--border);
}

.cert-card--bollsen {
  background-color: rgba(27, 63, 110, 0.05);
  border-color: rgba(27, 63, 110, 0.3);
}

.cert-card--loop {
  background-color: var(--paper-warm);
}

.cert-brand {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-light);
  margin-bottom: 0.35rem;
}

.cert-db {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--ink);
  margin-bottom: 0.75rem;
  line-height: 1;
}

.cert-card--bollsen .cert-db {
  color: var(--cert-blue);
}

.cert-details {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.cert-detail {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--ink-muted);
  display: flex;
  align-items: flex-start;
  gap: 0.35rem;
}

.cert-check {
  color: var(--pass-green);
  font-size: 0.75rem;
  line-height: 1;
  min-width: 12px;
}

.cert-cross {
  color: var(--ink-light);
  min-width: 12px;
  line-height: 1;
}

.note-box {
  background-color: var(--paper-warm);
  border: 1px solid var(--border);
  border-left: 3px solid var(--ink-light);
  padding: 0.75rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--ink-light);
  line-height: 1.55;
  margin-top: 1.25rem;
}

.note-box strong {
  color: var(--ink-muted);
}

/* === FREQUENCY DIAGRAM (Reason 5) === */
.freq-diagram {
  background-color: var(--ink);
  color: var(--paper);
  padding: 1.25rem 1.35rem;
  margin: 1.5rem 0;
  border-radius: 3px;
}

.freq-title {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--paper-deep);
  opacity: 0.65;
  margin-bottom: 1rem;
}

.freq-grid {
  display: flex;
  gap: 1.5rem;
  align-items: flex-end;
  justify-content: center;
}

.freq-band {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  max-width: 160px;
}

.freq-hz {
  font-family: var(--font-display);
  font-size: 0.95rem;
  color: var(--paper);
  text-align: center;
}

.freq-bar-wrap {
  width: 100%;
  height: 100px;
  background: rgba(250, 247, 240, 0.06);
  border: 1px solid rgba(250, 247, 240, 0.12);
  border-radius: 2px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}

.freq-bar {
  width: 100%;
  background: var(--accent);
  transition: height 0.8s var(--ease-out);
  border-radius: 1px;
}

.freq-band--pass .freq-bar {
  background: var(--pass-green);
}

.freq-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.06em;
  color: var(--paper-deep);
  text-align: center;
  line-height: 1.4;
}

.freq-status {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.2em 0.55em;
  border-radius: 2px;
}

.freq-status--block {
  background-color: rgba(192, 74, 42, 0.25);
  color: #F5A595;
  border: 1px solid rgba(192, 74, 42, 0.35);
}

.freq-status--pass {
  background-color: rgba(42, 107, 58, 0.25);
  color: #8FD4A3;
  border: 1px solid rgba(42, 107, 58, 0.35);
}

/* === RATINGS DUEL (Reason 6) === */
.reason--ratings {
  background-color: var(--paper-warm);
  border-top: 3px solid var(--ink);
}

.ratings-duel {
  margin: 1.5rem 0;
  border: 1px solid var(--border);
  border-radius: 3px;
  overflow: hidden;
  background-color: var(--paper);
}

.ratings-duel-header {
  display: grid;
  grid-template-columns: 160px 1fr 1fr;
  background-color: var(--ink);
  color: var(--paper);
}

.rd-spacer {
  padding: 0.65rem 0.85rem;
}

.rd-col {
  padding: 0.65rem 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: center;
  border-left: 1px solid rgba(250, 247, 240, 0.12);
}

.rd-col--bollsen {
  color: #8FD4A3;
}

.rd-col--loop {
  color: var(--paper-deep);
  opacity: 0.7;
}

.ratings-duel-row {
  display: grid;
  grid-template-columns: 160px 1fr 1fr;
  border-top: 1px solid var(--border-light);
}

.ratings-duel-row--highlight {
  background-color: rgba(192, 74, 42, 0.05);
}

.rd-label {
  padding: 0.65rem 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.05em;
  color: var(--ink-muted);
  border-right: 1px solid var(--border-light);
}

.rd-val {
  padding: 0.65rem 0.85rem;
  font-family: var(--font-body);
  font-size: 0.88rem;
  color: var(--ink);
  text-align: center;
  border-left: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: center;
}

.rd-val--win {
  color: var(--pass-green);
  font-weight: 700;
}

.rd-val--warn {
  color: var(--warn-amber);
  font-size: 0.78rem;
}

.ratings-math {
  background-color: var(--paper-warm);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 1.1rem 1.25rem;
  margin-bottom: 1.25rem;
}

.math-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-light);
  margin-bottom: 0.65rem;
}

.ratings-math p {
  font-size: 0.9rem !important;
  margin-bottom: 0.75rem !important;
}

/* === COST COMPARE (Reason 7) === */
.cost-compare {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  margin: 1.5rem 0;
}

.cost-item {
  padding: 1rem 1.1rem;
  background-color: var(--paper-warm);
  border: 1px solid var(--border);
  border-radius: 3px;
}

.cost-item--best {
  background-color: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

.cost-product {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-light);
  margin-bottom: 0.3rem;
}

.cost-item--best .cost-product {
  color: var(--paper-deep);
  opacity: 0.7;
}

.cost-pernight {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--ink);
  line-height: 1.1;
  margin-bottom: 0.2rem;
}

.cost-item--best .cost-pernight {
  color: #8FD4A3;
  font-size: 1.75rem;
}

.cost-how {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--ink-light);
  line-height: 1.4;
}

.cost-item--best .cost-how {
  color: var(--paper-deep);
  opacity: 0.65;
}

/* === GUARANTEE BOX (Reason 8) === */
.guarantee-box {
  background-color: var(--paper-deep);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 1.25rem 1.35rem;
  margin: 1.5rem 0;
}

.gb-headline {
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--ink);
  margin-bottom: 1rem;
}

.gb-timeline {
  display: flex;
  align-items: stretch;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.gb-step {
  flex: 1;
  min-width: 120px;
  background-color: var(--paper);
  border: 1px solid var(--border-light);
  padding: 0.7rem 0.85rem;
  border-radius: 2px;
}

.gb-step-num {
  font-family: var(--font-display);
  font-size: 0.75rem;
  color: var(--accent);
  margin-bottom: 0.25rem;
}

.gb-step-desc {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--ink-muted);
  line-height: 1.45;
}

.gb-arrow {
  display: flex;
  align-items: center;
  color: var(--border);
  font-size: 1.1rem;
  align-self: center;
}

.gb-return-rate {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.07em;
  color: var(--pass-green);
  background-color: rgba(42, 107, 58, 0.08);
  border: 1px solid rgba(42, 107, 58, 0.2);
  padding: 0.4rem 0.7rem;
  border-radius: 2px;
  display: inline-block;
}

/* === MECHANISM SECTION === */
.mechanism-section {
  padding: var(--section-gap) 1.5rem;
  background-color: var(--paper-warm);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-headline {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 3vw, 1.55rem);
  color: var(--ink);
  margin-bottom: 0.4rem;
  letter-spacing: -0.01em;
}

.section-sub {
  font-family: var(--font-body);
  font-style: italic;
  font-size: 0.9rem;
  color: var(--ink-light);
  margin-bottom: 2rem;
}

.mechanism-grid {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 2.5rem;
  align-items: start;
  margin-top: 1.5rem;
}

.mech-explain-col p {
  font-size: 0.96rem;
  color: var(--ink-muted);
  margin-bottom: 1rem;
  max-width: 60ch;
  line-height: 1.75;
}

.spec-card {
  background-color: var(--ink);
  color: var(--paper);
  border-radius: 3px;
  overflow: hidden;
  position: sticky;
  top: 3.5rem;
}

.spec-title {
  background-color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.55rem 0.85rem;
  color: var(--paper);
}

.spec-row {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 0;
  border-bottom: 1px solid rgba(250, 247, 240, 0.07);
}

.spec-key {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--paper-deep);
  opacity: 0.55;
  padding: 0.5rem 0.85rem;
  border-right: 1px solid rgba(250, 247, 240, 0.07);
  display: flex;
  align-items: center;
}

.spec-val {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--paper);
  padding: 0.5rem 0.85rem;
  display: flex;
  align-items: center;
  line-height: 1.4;
}

/* === SOCIAL PROOF === */
.social-proof-section {
  padding: var(--section-gap) 1.5rem;
  border-bottom: 1px solid var(--border-light);
}

.pull-quote-full {
  text-align: center;
  padding: 2.5rem 1.5rem 3rem;
  max-width: 680px;
  margin: 0 auto 3rem;
}

.pq-rule {
  width: 60px;
  height: 2px;
  background-color: var(--accent);
  margin: 0 auto 1.5rem;
}

.pull-quote-text {
  font-family: var(--font-body);
  font-style: italic;
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  color: var(--ink-muted);
  line-height: 1.55;
  margin-bottom: 1rem;
}

.pq-attribution {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink-light);
  margin-top: 1.5rem;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin: 2rem 0;
}

.testimonial {
  background-color: var(--paper-warm);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 1.25rem;
}

.t-stars {
  color: #F5C842;
  font-size: 0.85rem;
  margin-bottom: 0.65rem;
}

.t-quote {
  font-family: var(--font-body);
  font-style: italic;
  font-size: 0.88rem;
  color: var(--ink-muted);
  line-height: 1.6;
  margin-bottom: 0.85rem;
}

.t-author {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--ink-light);
}

.aggregate-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  margin: 1.5rem 0;
}

.agg-item {
  text-align: center;
}

.agg-num {
  font-family: var(--font-display);
  font-size: 1.85rem;
  color: var(--ink);
  line-height: 1;
}

.agg-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.07em;
  color: var(--ink-light);
  margin-top: 0.2rem;
}

.agg-sep {
  color: var(--border);
  font-size: 1.5rem;
}

.press-logos-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.press-logo-text {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-light);
}

.press-logo-sep {
  color: var(--border);
}

/* === PRODUCT SECTION === */
.product-section {
  padding: var(--section-gap) 1.5rem;
  background-color: var(--ink);
  color: var(--paper);
}

.product-section .section-headline {
  color: var(--paper);
}

.product-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-top: 1.75rem;
}

.product-card {
  background-color: rgba(250, 247, 240, 0.05);
  border: 1px solid rgba(250, 247, 240, 0.12);
  border-radius: 3px;
  padding: 1.5rem;
}

.product-card--premium {
  border-color: var(--accent);
  background-color: rgba(192, 74, 42, 0.08);
}

.pc-badge {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background-color: rgba(250, 247, 240, 0.12);
  color: var(--paper-deep);
  padding: 0.25em 0.55em;
  border-radius: 2px;
  display: inline-block;
  margin-bottom: 0.75rem;
}

.pc-badge--premium {
  background-color: var(--accent);
  color: var(--paper);
}

.pc-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--paper);
  margin-bottom: 0.35rem;
  line-height: 1.2;
}

.pc-subtitle {
  font-family: var(--font-body);
  font-size: 0.82rem;
  color: var(--paper-deep);
  opacity: 0.75;
  margin-bottom: 1rem;
  line-height: 1.5;
}

.pc-price {
  margin-bottom: 1.1rem;
}

.pc-amount {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--paper);
}

.pc-per {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.07em;
  color: var(--paper-deep);
  opacity: 0.65;
  margin-top: 0.15rem;
}

.pc-features {
  list-style: none;
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.pc-features li {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--paper-deep);
  padding-left: 1rem;
  position: relative;
  line-height: 1.45;
}

.pc-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: #8FD4A3;
}

.pc-stars {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.07em;
  color: var(--paper-deep);
  opacity: 0.55;
  margin-top: 0.65rem;
  text-align: center;
}

.product-section .cta-btn {
  width: 100%;
  text-align: center;
  justify-content: center;
}

/* === FINAL CTA === */
.cta-final {
  background-color: var(--paper-warm);
  border-top: 3px solid var(--accent);
  padding: 4rem 1.5rem;
  position: relative;
  overflow: hidden;
}

.cta-final-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.cta-final-num {
  font-family: var(--font-display);
  font-size: clamp(5rem, 18vw, 10rem);
  line-height: 0.85;
  color: var(--border);
  position: absolute;
  right: -0.05em;
  top: -0.1em;
  z-index: 0;
  pointer-events: none;
  user-select: none;
}

.cta-final-content {
  position: relative;
  z-index: 1;
}

.cta-final-headline {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 2.4rem);
  color: var(--ink);
  line-height: 1.12;
  margin-bottom: 0.6rem;
}

.cta-final-sub {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.07em;
  color: var(--ink-light);
  margin-bottom: 1.25rem;
}

.cta-final-body {
  font-family: var(--font-body);
  font-size: 0.97rem;
  color: var(--ink-muted);
  max-width: 58ch;
  line-height: 1.72;
  margin-bottom: 2rem;
}

.cta-final-btns {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  align-items: flex-start;
  margin-bottom: 1rem;
}

.cta-btn--final {
  font-size: 1.1rem;
  padding: 1rem 2rem;
}

.cta-secondary-link {
  font-family: var(--font-body);
  font-style: italic;
  font-size: 0.9rem;
  color: var(--ink-muted);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.cta-final-guarantee {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  color: var(--ink-light);
  margin-top: 0.5rem;
}

/* === FAQ === */
.faq-section {
  padding: var(--section-gap) 1.5rem;
  border-top: 1px solid var(--border-light);
}

.faq-list {
  margin-top: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: 3px;
  overflow: hidden;
}

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

.faq-item:first-child {
  border-top: none;
}

.faq-q {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.97rem;
  color: var(--ink);
  padding: 1.1rem 1.25rem;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  background-color: var(--paper);
  transition: background-color 0.15s;
}

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

.faq-q::after {
  content: '+';
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--accent);
  min-width: 20px;
  text-align: right;
  transition: transform 0.2s;
}

details[open] .faq-q {
  background-color: var(--paper-warm);
}

details[open] .faq-q::after {
  content: '\2212';
}

.faq-a {
  padding: 0 1.25rem 1.25rem;
  background-color: var(--paper-warm);
  border-top: 1px solid var(--border-light);
}

.faq-a p {
  font-size: 0.92rem;
  color: var(--ink-muted);
  padding-top: 1rem;
  max-width: 60ch;
  line-height: 1.72;
}

/* === FOOTER === */
.site-footer {
  background-color: var(--ink);
  color: var(--paper);
  padding: 2.5rem 1.5rem;
}

.footer-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--paper);
}

.footer-legal {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.04em;
  color: var(--paper-deep);
  opacity: 0.5;
  line-height: 1.6;
}

.footer-links {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  align-items: center;
}

.footer-links a {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.07em;
  color: var(--paper-deep);
  opacity: 0.6;
  text-decoration: none;
}

.footer-links a:hover { opacity: 1; }

.footer-links span {
  color: rgba(250, 247, 240, 0.2);
}

/* === STICKY CTA === */
.sticky-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 200;
  padding: 0.75rem 1rem;
  background-color: var(--ink);
  border-top: 2px solid var(--accent);
  display: none;
  justify-content: center;
}

.sticky-cta.visible {
  display: flex;
}

.sticky-cta-btn {
  display: block;
  width: 100%;
  max-width: 420px;
  background-color: var(--accent);
  color: var(--paper);
  font-family: var(--font-display);
  font-size: 0.95rem;
  text-align: center;
  text-decoration: none;
  padding: 0.8rem 1.5rem;
  border-radius: 3px;
  touch-action: manipulation;
  transition: background-color 0.15s;
}

.sticky-cta-btn:hover {
  background-color: var(--accent-dk);
  color: var(--paper);
}

/* === RESPONSIVE === */
@media (max-width: 640px) {
  .reason {
    grid-template-columns: 48px 1fr;
    gap: 0 1.25rem;
    padding: 2.5rem 1.1rem;
  }

  .reason-num {
    font-size: 1.65rem;
  }

  .reason-num--large {
    font-size: 2.25rem;
  }

  .reason-headline {
    font-size: 1.1rem;
  }

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

  .spec-card {
    position: static;
  }

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

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

  .cert-row {
    grid-template-columns: 1fr;
  }

  .ratings-duel-header,
  .ratings-duel-row {
    grid-template-columns: 110px 1fr 1fr;
  }

  .rd-label,
  .rd-spacer {
    font-size: 0.58rem;
  }

  .patent-vs {
    flex-direction: column;
  }

  .patent-vs-divider {
    text-align: center;
  }

  .mech-grid {
    flex-direction: column;
  }

  .mech-arrow {
    transform: rotate(90deg);
    align-self: flex-start;
    margin-left: 1rem;
  }

  .gb-timeline {
    flex-direction: column;
  }

  .gb-arrow {
    transform: rotate(90deg);
    align-self: flex-start;
    margin-left: 0.5rem;
  }

  .freq-grid {
    gap: 0.75rem;
  }

  .cost-compare {
    grid-template-columns: 1fr;
  }

  .aggregate-row {
    justify-content: center;
    text-align: center;
  }

  .agg-sep {
    display: none;
  }

  .hero-deco {
    font-size: 8rem;
    opacity: 0.025;
  }

  .cta-final-num {
    font-size: 5rem;
    opacity: 0.5;
  }

  .cta-final-btns {
    width: 100%;
  }

  .cta-btn--final {
    width: 100%;
    text-align: center;
  }

  .hero-toc { display: none; }
}

@media (min-width: 641px) and (max-width: 900px) {
  .mechanism-grid {
    grid-template-columns: 1fr;
  }

  .spec-card {
    position: static;
  }

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

/* === ENTRY ANIMATIONS === */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero-eyebrow,
.hero-headline,
.hero-sub,
.byline-block,
.hero-trust-row,
.cta-hero {
  animation: fadeUp 0.55s var(--ease-out) both;
}

.hero-eyebrow { animation-delay: 0.05s; }
.hero-headline { animation-delay: 0.12s; }
.hero-sub { animation-delay: 0.2s; }
.byline-block { animation-delay: 0.27s; }
.hero-trust-row { animation-delay: 0.34s; }
.cta-hero { animation-delay: 0.41s; }

@media (prefers-reduced-motion: reduce) {
  .hero-eyebrow,
  .hero-headline,
  .hero-sub,
  .byline-block,
  .hero-trust-row,
  .cta-hero {
    animation: none;
  }
}