/* Editorial Design System — Warm Paper / Forest / Burnished Gold */
:root {
  --bg-paper: #FAF8F4;
  --bg-paper-alt: #F2EDE3;
  --bg-card: #FFFFFF;
  --bg-emerald: #0C261F;
  --bg-emerald-soft: #133A30;

  --ink-primary: #111C19;
  --ink-secondary: #2A3833;
  --ink-muted: #556660;
  --ink-on-dark: #F7F5EE;
  --ink-on-dark-muted: #C6D3CE;

  --accent-emerald: #0B6B51;
  --accent-emerald-hover: #08543F;
  --accent-gold: #A87624;
  --accent-gold-bright: #D4A24C;
  --accent-gold-tint: #FBF4E6;

  --border-subtle: #E4DDD0;
  --border-strong: #CFC5B2;
  --border-dark: rgba(212, 162, 76, 0.25);

  --font-serif: 'Newsreader', Georgia, 'Times New Roman', serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --shadow-sm: 0 2px 8px rgba(17, 28, 25, 0.05);
  --shadow-md: 0 10px 28px rgba(17, 28, 25, 0.08);
  --shadow-lg: 0 20px 50px rgba(12, 38, 31, 0.16);
}

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

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

body {
  margin: 0;
  background-color: var(--bg-paper);
  color: var(--ink-primary);
  font-family: var(--font-sans);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a {
  color: var(--accent-emerald);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  transition: color 0.15s ease, opacity 0.15s ease;
}

a:hover {
  color: var(--accent-emerald-hover);
}

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  color: var(--ink-primary);
  line-height: 1.18;
  letter-spacing: -0.02em;
  margin-top: 0;
}

.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.container {
  width: 100%;
  max-width: 1220px;
  margin-inline: auto;
  padding-inline: 1.25rem;
}

.container-narrow {
  width: 100%;
  max-width: 920px;
  margin-inline: auto;
  padding-inline: 1.25rem;
}

/* Reading Progress Bar */
#reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--accent-emerald), var(--accent-gold-bright));
  z-index: 120;
  transition: width 0.08s linear;
}

/* Top Trust Ticker & Sticky Header */
.top-disclosure {
  background: var(--bg-emerald);
  color: var(--ink-on-dark-muted);
  font-size: 0.78rem;
  padding: 0.45rem 0;
  border-bottom: 1px solid var(--border-dark);
}

.top-disclosure-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.top-disclosure strong {
  color: var(--accent-gold-bright);
  font-weight: 600;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  background: rgba(250, 248, 244, 0.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  height: 70px;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--ink-primary);
  font-weight: 700;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  object-fit: cover;
  border: 1px solid var(--border-strong);
}

.brand-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand-sub {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-gold);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.nav-links a {
  text-decoration: none;
  color: var(--ink-secondary);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.45rem 0.78rem;
  border-radius: 8px;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--accent-emerald);
  background: var(--bg-paper-alt);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.nav-toggle {
  display: none;
  background: var(--bg-paper-alt);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  padding: 0.45rem 0.7rem;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--ink-primary);
  cursor: pointer;
}

.mobile-drawer {
  background: var(--bg-paper);
  border-bottom: 1px solid var(--border-strong);
  padding: 1rem 1.25rem 1.25rem;
}

.mobile-drawer a {
  display: block;
  padding: 0.6rem 0;
  text-decoration: none;
  font-weight: 600;
  color: var(--ink-primary);
  border-bottom: 1px solid var(--border-subtle);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  text-decoration: none;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 0.92rem;
  padding: 0.72rem 1.25rem;
  border-radius: 10px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.14s ease, background-color 0.14s ease, box-shadow 0.14s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--accent-emerald);
  color: #FFFFFF;
  box-shadow: 0 6px 18px rgba(11, 107, 81, 0.24);
}

.btn-primary:hover {
  background: var(--accent-emerald-hover);
  color: #FFFFFF;
}

.btn-gold {
  background: var(--accent-gold-bright);
  color: #111C19;
  box-shadow: 0 6px 18px rgba(168, 118, 36, 0.25);
}

.btn-gold:hover {
  background: #DFB15E;
  color: #111C19;
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--ink-primary);
  border-color: var(--border-strong);
}

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

.btn-sm {
  padding: 0.5rem 0.95rem;
  font-size: 0.84rem;
}

/* Badges & Eyebrows */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--accent-gold);
  background: var(--accent-gold-tint);
  border: 1px solid rgba(168, 118, 36, 0.28);
  padding: 0.28rem 0.65rem;
  border-radius: 999px;
  margin-bottom: 0.9rem;
}

.eyebrow-dark {
  background: rgba(212, 162, 76, 0.14);
  color: var(--accent-gold-bright);
  border-color: rgba(212, 162, 76, 0.35);
}

/* Hero Section */
.hero-editorial {
  background: var(--bg-emerald);
  color: var(--ink-on-dark);
  padding: 3.6rem 0 4rem;
  border-bottom: 3px solid var(--accent-gold-bright);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2.5rem;
  align-items: center;
}

.hero-editorial h1 {
  color: #FFFFFF;
  font-size: clamp(2.15rem, 4.1vw, 3.35rem);
  margin-bottom: 1.1rem;
}

.hero-lead {
  color: var(--ink-on-dark-muted);
  font-size: 1.08rem;
  max-width: 58ch;
  margin-bottom: 1.65rem;
}

.hero-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-bottom: 1.4rem;
}

.hero-proof-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.hero-proof-item strong {
  display: block;
  font-family: var(--font-mono);
  color: var(--accent-gold-bright);
  font-size: 1.12rem;
}

.hero-proof-item span {
  font-size: 0.8rem;
  color: var(--ink-on-dark-muted);
}

.hero-visual-card {
  background: var(--bg-emerald-soft);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  padding: 1rem;
  box-shadow: var(--shadow-lg);
}

.hero-visual-card img {
  border-radius: var(--radius-md);
  width: 100%;
}

.hero-visual-caption {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 0.8rem;
  font-size: 0.8rem;
  color: var(--ink-on-dark-muted);
}

/* Plan & Savings Estimator Widget */
.estimator-section {
  padding: 3.5rem 0;
  background: var(--bg-paper-alt);
  border-bottom: 1px solid var(--border-subtle);
}

.section-head {
  max-width: 720px;
  margin-bottom: 2rem;
}

.section-head h2 {
  font-size: clamp(1.7rem, 3vw, 2.35rem);
  margin-bottom: 0.55rem;
}

.section-head p {
  color: var(--ink-secondary);
  margin: 0;
}

.estimator-card {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 1.75rem;
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 1.85rem;
  box-shadow: var(--shadow-md);
}

.est-controls {
  display: grid;
  gap: 1.05rem;
}

.est-field label {
  display: block;
  font-weight: 700;
  font-size: 0.86rem;
  margin-bottom: 0.35rem;
  color: var(--ink-primary);
}

.est-field select,
.search-input {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border-radius: 10px;
  border: 1px solid var(--border-strong);
  background: var(--bg-paper);
  color: var(--ink-primary);
  font-family: var(--font-sans);
  font-size: 0.92rem;
}

.est-toggle-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.7rem 0.9rem;
  background: var(--bg-paper);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
}

.est-toggle-row input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--accent-emerald);
}

.cycle-pills {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.5rem;
}

.cycle-pill {
  padding: 0.55rem 0.75rem;
  border-radius: 9px;
  border: 1px solid var(--border-strong);
  background: var(--bg-paper);
  color: var(--ink-secondary);
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
}

.cycle-pill[aria-pressed="true"] {
  background: var(--bg-emerald);
  color: #FFFFFF;
  border-color: var(--bg-emerald);
}

.est-output {
  background: var(--bg-emerald);
  color: var(--ink-on-dark);
  border-radius: var(--radius-md);
  padding: 1.55rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border: 1px solid var(--border-dark);
}

.est-plan-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: #FFFFFF;
  margin-bottom: 0.35rem;
}

.est-price-row {
  display: flex;
  align-items: baseline;
  gap: 0.85rem;
  margin: 0.75rem 0;
  flex-wrap: wrap;
}

.est-price-big {
  font-family: var(--font-mono);
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--accent-gold-bright);
}

.est-per-profile {
  font-family: var(--font-mono);
  font-size: 0.86rem;
  background: rgba(255, 255, 255, 0.1);
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
  color: #FFFFFF;
}

.est-metrics {
  list-style: none;
  margin: 1rem 0 1.4rem;
  padding: 0;
  display: grid;
  gap: 0.6rem;
  font-size: 0.9rem;
}

.est-metrics li {
  padding: 0.55rem 0.75rem;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 8px;
  border-left: 3px solid var(--accent-gold-bright);
}

.est-metrics strong {
  display: block;
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-on-dark-muted);
}

.est-actions {
  display: grid;
  gap: 0.65rem;
}

.est-guide-link {
  color: var(--accent-gold-bright);
  font-size: 0.88rem;
  font-weight: 600;
  text-align: center;
  text-decoration: none;
}

/* Sections & Grids */
.section-pad {
  padding: 3.5rem 0;
}

.section-alt {
  background: var(--bg-paper-alt);
  border-block: 1px solid var(--border-subtle);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.25rem;
}

/* Cards */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: transform 0.16s ease, box-shadow 0.16s ease, border-color 0.16s ease;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-strong);
}

.card-media {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--bg-emerald);
}

.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  font-size: 0.78rem;
  color: var(--ink-muted);
  margin-bottom: 0.6rem;
}

.badge-pill {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--accent-emerald);
  background: rgba(11, 107, 81, 0.1);
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
}

.card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.card h3 a {
  text-decoration: none;
  color: var(--ink-primary);
}

.card h3 a:hover {
  color: var(--accent-emerald);
}

.card p {
  font-size: 0.92rem;
  color: var(--ink-secondary);
  margin: 0 0 1rem;
  flex: 1;
}

.card-footer-link {
  font-weight: 700;
  font-size: 0.88rem;
  text-decoration: none;
}

/* Tables & Comparison Matrix */
.table-wrap {
  overflow-x: auto;
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  margin: 1.5rem 0;
}

table.editorial-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  text-align: left;
}

table.editorial-table caption {
  text-align: left;
  padding: 0.85rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-muted);
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-paper-alt);
}

table.editorial-table th {
  background: var(--bg-emerald);
  color: #FFFFFF;
  font-weight: 700;
  padding: 0.82rem 1rem;
  white-space: nowrap;
}

table.editorial-table td {
  padding: 0.82rem 1rem;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--ink-secondary);
  vertical-align: top;
}

table.editorial-table tr.is-recommended {
  background: rgba(11, 107, 81, 0.06);
}

table.editorial-table tr.is-recommended td:first-child {
  font-weight: 700;
  color: var(--accent-emerald);
}

/* Filter Toolbar */
.filter-toolbar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
}

.filter-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.filter-pill {
  padding: 0.42rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: var(--bg-paper);
  color: var(--ink-secondary);
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
}

.filter-pill[aria-pressed="true"] {
  background: var(--accent-emerald);
  border-color: var(--accent-emerald);
  color: #FFFFFF;
}

.filter-search-box {
  min-width: 260px;
  flex: 0 1 340px;
}

/* Article Layout */
.breadcrumbs {
  font-size: 0.82rem;
  color: var(--ink-muted);
  margin-bottom: 1.1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  align-items: center;
}

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

.breadcrumbs a:hover {
  color: var(--accent-emerald);
}

.article-header {
  padding: 2.5rem 0 2rem;
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-paper-alt);
}

.article-header h1 {
  font-size: clamp(1.95rem, 3.8vw, 3rem);
  max-width: 24ch;
  margin-bottom: 0.85rem;
}

.article-excerpt {
  font-size: 1.12rem;
  color: var(--ink-secondary);
  max-width: 68ch;
  margin-bottom: 1.25rem;
}

.article-byline {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  align-items: center;
  font-size: 0.86rem;
  color: var(--ink-muted);
}

.article-hero-wrap {
  margin-top: 1.5rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow-md);
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 310px;
  gap: 2.5rem;
  padding: 2.5rem 0 3.5rem;
  align-items: start;
}

/* Position #0 Quick Answer & Key Specs */
.quick-answer-box {
  background: var(--accent-gold-tint);
  border: 1px solid rgba(168, 118, 36, 0.35);
  border-left: 5px solid var(--accent-gold);
  border-radius: var(--radius-md);
  padding: 1.35rem 1.45rem;
  margin-bottom: 1.65rem;
}

.quick-answer-label {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-gold);
  margin-bottom: 0.45rem;
}

.quick-answer-box p {
  margin: 0;
  color: var(--ink-primary);
  font-size: 1rem;
  font-weight: 500;
}

.key-specs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1.85rem;
}

.spec-tile {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.85rem 0.95rem;
}

.spec-tile span {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-muted);
  margin-bottom: 0.25rem;
}

.spec-tile strong {
  font-size: 0.94rem;
  color: var(--ink-primary);
}

/* Article Body Prose */
.article-prose section {
  margin-bottom: 2.35rem;
  scroll-margin-top: 90px;
}

.article-prose h2 {
  font-size: clamp(1.45rem, 2.4vw, 1.9rem);
  padding-bottom: 0.45rem;
  border-bottom: 2px solid var(--border-subtle);
  margin-bottom: 1rem;
}

.article-prose p {
  color: var(--ink-secondary);
  font-size: 1.03rem;
  line-height: 1.76;
  margin-bottom: 1.1rem;
}

.article-prose ul,
.article-prose ol {
  color: var(--ink-secondary);
  padding-left: 1.35rem;
  margin-bottom: 1.25rem;
}

.article-prose li {
  margin-bottom: 0.55rem;
  line-height: 1.68;
}

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

.callout-box {
  background: var(--bg-paper-alt);
  border: 1px solid var(--border-strong);
  border-left: 4px solid var(--accent-emerald);
  border-radius: var(--radius-sm);
  padding: 1.1rem 1.25rem;
  margin: 1.35rem 0;
}

.callout-box.callout-warning {
  border-left-color: var(--accent-gold);
  background: var(--accent-gold-tint);
}

.callout-title {
  font-weight: 700;
  color: var(--ink-primary);
  margin-bottom: 0.35rem;
  font-size: 0.95rem;
}

.callout-box p {
  margin: 0;
  font-size: 0.94rem;
}

.code-block {
  background: var(--bg-emerald);
  color: #E7F3EE;
  font-family: var(--font-mono);
  font-size: 0.84rem;
  line-height: 1.6;
  padding: 1rem 1.2rem;
  border-radius: var(--radius-sm);
  overflow-x: auto;
  margin: 1.25rem 0;
  border: 1px solid var(--border-dark);
}

/* Mid-Article Conversion Banner */
.inline-conversion-card {
  background: var(--bg-emerald);
  color: var(--ink-on-dark);
  border-radius: var(--radius-md);
  padding: 1.45rem 1.55rem;
  margin: 2rem 0;
  border: 1px solid var(--border-dark);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.15rem;
}

.inline-conversion-card h3 {
  color: #FFFFFF;
  font-size: 1.3rem;
  margin-bottom: 0.35rem;
}

.inline-conversion-card p {
  color: var(--ink-on-dark-muted);
  margin: 0;
  font-size: 0.92rem;
  max-width: 52ch;
}

/* Sidebar TOC & Conversion Panel */
.article-sidebar {
  position: sticky;
  top: 90px;
  display: grid;
  gap: 1.25rem;
}

.sidebar-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
}

.sidebar-box h3 {
  font-size: 1.02rem;
  margin-bottom: 0.75rem;
}

.toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.35rem;
}

.toc-list a {
  display: block;
  text-decoration: none;
  font-size: 0.86rem;
  color: var(--ink-secondary);
  padding: 0.3rem 0.5rem;
  border-left: 2px solid transparent;
  border-radius: 0 6px 6px 0;
}

.toc-list a:hover,
.toc-list a.is-active {
  color: var(--accent-emerald);
  border-left-color: var(--accent-emerald);
  background: var(--bg-paper-alt);
  font-weight: 600;
}

.sidebar-cta {
  background: var(--bg-emerald);
  color: var(--ink-on-dark);
  border: 1px solid var(--border-dark);
}

.sidebar-cta h3 {
  color: #FFFFFF;
}

.sidebar-cta p {
  font-size: 0.87rem;
  color: var(--ink-on-dark-muted);
  margin-bottom: 1rem;
}

.sidebar-cta .btn {
  width: 100%;
}

.copy-link-btn {
  width: 100%;
  margin-top: 0.65rem;
}

/* Native FAQ Accordions */
.faq-list {
  display: grid;
  gap: 0.75rem;
  margin-top: 1rem;
}

details.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.1rem 1.15rem;
}

details.faq-item[open] {
  border-color: var(--accent-emerald);
  box-shadow: var(--shadow-sm);
}

details.faq-item summary {
  padding: 0.95rem 0;
  font-weight: 700;
  font-size: 1rem;
  color: var(--ink-primary);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

details.faq-item summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.2rem;
  color: var(--accent-emerald);
}

details.faq-item[open] summary::after {
  content: "−";
}

details.faq-item .faq-answer {
  padding-bottom: 1rem;
  color: var(--ink-secondary);
  font-size: 0.95rem;
  border-top: 1px solid var(--border-subtle);
  padding-top: 0.8rem;
}

/* Author Box */
.author-card {
  display: flex;
  flex-wrap: wrap;
  gap: 1.1rem;
  align-items: center;
  background: var(--bg-paper-alt);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  padding: 1.35rem;
  margin-top: 2rem;
}

.author-badge {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--bg-emerald);
  color: var(--accent-gold-bright);
  font-family: var(--font-serif);
  font-size: 1.45rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* Footer */
.site-footer {
  background: var(--bg-emerald);
  color: var(--ink-on-dark-muted);
  padding: 3.5rem 0 2rem;
  border-top: 3px solid var(--accent-gold-bright);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2.25rem;
}

.site-footer h3 {
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.85rem;
}

.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.footer-links a {
  color: var(--ink-on-dark-muted);
  text-decoration: none;
  font-size: 0.88rem;
}

.footer-links a:hover {
  color: var(--accent-gold-bright);
}

.footer-bottom {
  padding-top: 1.35rem;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.82rem;
}

.footer-bottom a {
  color: var(--accent-gold-bright);
  text-decoration: none;
}

/* Sticky Mobile Bottom Conversion Bar */
.sticky-mobile-cta {
  display: none;
}

/* Responsive Breakpoints */
@media (max-width: 980px) {
  .hero-grid,
  .estimator-card,
  .article-layout,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .grid-4,
  .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .article-sidebar {
    position: static;
  }

  .nav-links {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
  }
}

@media (max-width: 640px) {
  .grid-4,
  .grid-3,
  .grid-2,
  .hero-proof-strip,
  .cycle-pills {
    grid-template-columns: 1fr;
  }

  .header-actions .btn {
    padding: 0.45rem 0.75rem;
    font-size: 0.8rem;
  }

  .sticky-mobile-cta {
    display: flex;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 100;
    background: var(--bg-emerald);
    color: #FFFFFF;
    padding: 0.7rem 1rem;
    border-top: 2px solid var(--accent-gold-bright);
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    transform: translateY(110%);
    transition: transform 0.22s ease;
  }

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

  .sticky-mobile-cta .dismiss-btn {
    background: transparent;
    border: none;
    color: var(--ink-on-dark-muted);
    font-size: 1.15rem;
    cursor: pointer;
    padding: 0.25rem;
  }
}