/* How Long To Billionaire — editorial design system (pass 2) */

:root {
  --color-bg: #f7f4ef;
  --color-bg-alt: #efeae3;
  --color-surface: #ffffff;
  --color-surface-muted: #faf8f5;
  --color-ink: #141414;
  --color-text: #1a1a1a;
  --color-text-muted: #3d3d3d;
  --color-text-soft: #5c5c5c;
  --color-border: #d8d2c8;
  --color-border-strong: #1a1a1a;
  --color-grid: rgba(20, 20, 20, 0.06);
  --color-accent: #c84b31;
  --color-accent-hover: #a83d27;
  --color-accent-soft: #fceee9;

  --font-sans: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-display: var(--font-sans);

  --max-width: 1080px;
  --page-shell-width: 1200px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;

  --shadow-sm: 0 1px 0 rgba(20, 20, 20, 0.04);
  --shadow-md: 0 12px 40px rgba(20, 20, 20, 0.08);
  --shadow-panel: 0 24px 64px rgba(20, 20, 20, 0.1);

  --space-xs: 8px;
  --space-sm: 12px;
  --space-md: 20px;
  --space-lg: 32px;
  --space-xl: 48px;
  --space-2xl: 72px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(var(--color-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-grid) 1px, transparent 1px);
  background-size: 56px 56px;
}

a {
  color: var(--color-accent);
  text-decoration: none;
}

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

/* —— Header —— */

.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(247, 244, 239, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 2px solid var(--color-ink);
}

.site-header-inner {
  width: min(var(--max-width), 100%);
  margin: 0 auto;
  padding: 14px var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.site-brand {
  font-weight: 800;
  font-size: 0.95rem;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  color: var(--color-ink);
  text-decoration: none;
}

.site-brand:hover {
  color: var(--color-accent);
  text-decoration: none;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 20px;
  align-items: center;
}

.site-nav a {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--color-accent);
}

/* —— Hero stage (homepage) —— */

.hero-stage {
  position: relative;
  overflow: hidden;
  padding: var(--space-xl) 0 var(--space-lg);
  border-bottom: 2px solid var(--color-ink);
}

.page-home .site-header-inner,
.page-home .content-wrap {
  width: min(var(--page-shell-width), 100%);
  padding-left: 24px;
  padding-right: 24px;
}

.hero-stage-inner {
  position: relative;
  z-index: 1;
  width: min(var(--page-shell-width), 100%);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  gap: var(--space-lg);
}

.hero-decor {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero-decor-num {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-52%);
  font-size: clamp(5rem, 20vw, 13rem);
  font-weight: 800;
  line-height: 0.85;
  letter-spacing: -0.05em;
  color: var(--color-accent);
  opacity: 0.09;
  white-space: nowrap;
}

.hero-inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--page-shell-width);
  margin: 0 auto;
  text-align: left;
}

.hero-copy {
  max-width: 40rem;
}

.hero-eyebrow,
.section-label {
  display: inline-block;
  margin: 0 0 var(--space-sm);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.hero-copy h1 {
  margin: 0 0 var(--space-md);
  font-size: clamp(2.25rem, 6.5vw, 3.75rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.04em;
  color: var(--color-ink);
  overflow-wrap: break-word;
  hyphens: auto;
}

.hero-lead {
  margin: 0;
  max-width: 34rem;
  font-size: clamp(1.05rem, 2.2vw, 1.2rem);
  line-height: 1.6;
  color: var(--color-text-muted);
}

.hero-lead strong {
  font-weight: 800;
  color: var(--color-ink);
}

/* Calculator panel — layout containment + editorial theme */

.calculator-panel {
  background: var(--color-surface);
  border: 2px solid var(--color-ink);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-panel);
  padding: clamp(12px, 2vw, 20px);
  overflow: visible;
  max-width: 100%;
}

.calculator-panel #root {
  min-height: auto;
  display: block;
  padding: 0;
  width: 100%;
  max-width: 100%;
  overflow: hidden;
}

.calculator-panel #root .page,
.calculator-panel #root .page .content,
.calculator-panel #root .layout,
.calculator-panel #root .form-card,
.calculator-panel #root .result-panel,
.calculator-panel #root form,
.calculator-panel #root label {
  min-width: 0;
  max-width: 100%;
}

.calculator-panel #root .page {
  width: 100%;
  max-width: 100%;
}

/* Default: no side rails (empty ad slots) — block layout, full width for calculator */
.calculator-panel #root .page.with-ads {
  display: block;
  width: 100%;
  max-width: 100% !important;
}

.calculator-panel #root .page.with-ads .content {
  width: 100%;
  max-width: min(1280px, 100%);
  margin: 0 auto;
}

.calculator-panel #root .ad-rail {
  display: none;
}

.calculator-panel #root .mobile-ad {
  display: none;
  justify-content: center;
  margin: var(--space-md) 0;
}

.page-home .calculator-panel #root > .page > .content > header {
  display: none;
}

/* Calculator layout reset — shell, top grid, timeline below */
.calculator-panel #root .calculator-shell {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 32px;
  border: 2px solid var(--color-ink);
  border-radius: 18px;
  background: var(--color-surface);
  box-sizing: border-box;
  overflow: hidden;
}

.calculator-panel #root .calculator-top-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-md);
  align-items: start;
}

.calculator-panel #root .calculator-top-grid.show-result {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 32px;
}

.calculator-panel #root .calculator-top-grid > * {
  min-width: 0;
}

.calculator-panel #root .calculator-form-card,
.calculator-panel #root .form-card {
  width: 100%;
  min-width: 0;
  border: 2px solid var(--color-ink);
  border-radius: 16px;
  padding: 32px;
  background: var(--color-surface);
  box-shadow: none;
  transform: none !important;
  transition: none !important;
}

.calculator-panel #root .result-panel {
  display: flex;
  flex-direction: column;
  gap: 24px;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  box-sizing: border-box;
  position: static;
  opacity: 1 !important;
  transform: none !important;
  transition: none !important;
}

/* Hide result column until calculate (revert: remove this rule + restore placeholder in bundle) */
.calculator-panel #root .result-panel:not(:has(.estimate-highlight, .error)) {
  display: none;
}

.calculator-panel #root .calculator-top-grid > .mobile-ad {
  display: none;
}

/* Cards */
.calculator-panel #root .card {
  background: var(--color-surface);
  border: 2px solid var(--color-ink);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: var(--space-md);
  color: var(--color-text);
}


/* Form fields */
.calculator-panel #root form {
  display: grid;
  gap: var(--space-sm);
  width: 100%;
}

.calculator-panel #root label {
  display: grid;
  gap: 6px;
  font-weight: 700;
  font-size: 0.88rem;
  letter-spacing: 0.02em;
  color: var(--color-ink);
}

.calculator-panel #root label:has(select) {
  min-width: 0;
  overflow: hidden;
}

.calculator-panel #root input,
.calculator-panel #root select {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  font-size: 1rem;
  font-family: inherit;
  padding: 10px 12px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-ink);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.calculator-panel #root select {
  appearance: none;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  padding-right: 36px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23141414' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  cursor: pointer;
}

.calculator-panel #root input:focus,
.calculator-panel #root select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-soft);
}

.calculator-panel #root .input-prefix {
  display: flex;
  align-items: stretch;
  width: 100%;
  max-width: 100%;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  overflow: hidden;
}

.calculator-panel #root .input-prefix span {
  display: flex;
  align-items: center;
  padding: 0 12px;
  font-weight: 700;
  color: var(--color-text-soft);
  background: var(--color-surface-muted);
  border-right: 2px solid var(--color-border);
  flex-shrink: 0;
}

.calculator-panel #root .input-prefix input {
  border: none;
  border-radius: 0;
  min-width: 0;
  flex: 1;
  box-shadow: none;
}

.calculator-panel #root .input-prefix input:focus {
  box-shadow: none;
}

.calculator-panel #root .inline-fields,
.calculator-panel #root .hours-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-sm);
  width: 100%;
}

.calculator-panel #root .checkbox {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-weight: 600;
  color: var(--color-text-muted);
}

.calculator-panel #root .checkbox input {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  flex-shrink: 0;
  accent-color: var(--color-accent);
}

.calculator-panel #root .muted {
  color: var(--color-text-soft);
}

.calculator-panel #root .helper {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.5;
}

/* Buttons */
.calculator-panel #root button {
  box-sizing: border-box;
  max-width: 100%;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.calculator-panel #root button[type="submit"] {
  width: 100%;
  padding: 12px 16px;
  background: var(--color-ink);
  color: var(--color-surface);
  border: 2px solid var(--color-ink);
}

.calculator-panel #root button[type="submit"]:hover:not(:disabled) {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.calculator-panel #root button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.calculator-panel #root .copy-button {
  padding: 8px 14px;
  background: var(--color-surface);
  color: var(--color-ink);
  border: 2px solid var(--color-ink);
}

.calculator-panel #root .copy-button:hover {
  background: var(--color-accent-soft);
  border-color: var(--color-accent);
  color: var(--color-accent-hover);
}

/* Result panel — black card only; share below */
.calculator-panel #root .result-panel .result-card {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  background: var(--color-ink);
  color: #fff;
  border-radius: 16px;
  padding: clamp(20px, 3vw, 26px);
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: static;
  overflow: hidden;
  border: none;
  box-shadow: none;
  margin: 0;
}

.calculator-panel #root .result-panel .result-card:has(.placeholder) {
  background: var(--color-surface);
  color: var(--color-text);
  border: 2px solid var(--color-border);
}

.calculator-panel #root .result-panel .result-card * {
  color: inherit;
}

.calculator-panel #root .result-panel .estimate-highlight,
.calculator-panel #root .result-panel .estimate-highlight-body {
  background: transparent;
  border: none;
  box-shadow: none;
  border-radius: 0;
}

.calculator-panel #root .result-panel .estimate-highlight {
  margin: 0;
  padding: 0;
  text-align: center;
  color: #fff;
}

.calculator-panel #root .result-panel .estimate-highlight-body {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  padding: 2px 0 4px;
}

.calculator-panel #root .result-panel .estimate-intro {
  margin: 0 0 1rem;
  max-width: 26em;
  font-size: clamp(1rem, 1.75vw, 1.12rem);
  line-height: 1.5;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.92);
}

.calculator-panel #root .result-panel .estimate-intro strong {
  font-weight: 800;
  color: #fff;
}

.calculator-panel #root .result-panel .estimate-years-value {
  margin: 0;
  padding: 0;
  font-size: clamp(1.75rem, 3.4vw, 2.4rem);
  line-height: 1;
  font-weight: 800;
  letter-spacing: -0.035em;
  color: #fff;
  font-variant-numeric: tabular-nums;
  max-width: 100%;
  overflow-wrap: anywhere;
}

.calculator-panel #root .result-panel .estimate-years-label {
  margin: 0.2rem 0 0;
  padding: 0;
  font-size: clamp(1.75rem, 3.4vw, 2.4rem);
  line-height: 1;
  font-weight: 800;
  letter-spacing: -0.035em;
  color: rgba(255, 255, 255, 0.96);
  text-transform: lowercase;
}

.calculator-panel #root .result-panel .taxes-summary {
  margin: 0;
  padding: 0;
  border: none;
  background: transparent;
  font-size: 0.95rem;
  line-height: 1.45;
  opacity: 0.88;
  color: rgba(255, 255, 255, 0.9);
}

.calculator-panel #root .result-panel .taxes-summary strong {
  color: #fff;
}

.calculator-panel #root .result-panel .placeholder,
.calculator-panel #root .result-panel .error {
  border: 2px solid var(--color-border);
  border-radius: 16px;
  padding: 24px;
  background: var(--color-surface);
  color: var(--color-text);
}

.calculator-panel #root .result-panel .share-section,
.calculator-panel #root .result-panel .share-block {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 2px 0 0;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

.calculator-panel #root .result-panel .share-section .copy-button,
.calculator-panel #root .result-panel .share-block .copy-button {
  max-width: 100%;
  box-sizing: border-box;
}

.calculator-panel #root .result-panel .share-heading,
.calculator-panel #root .result-panel .share-title {
  margin: 0;
  font-size: 1rem;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.9);
}

.calculator-panel #root .result-panel .result-timeline-bridge {
  margin: 20px 0 0;
  max-width: 34rem;
  font-family: var(--font-sans);
  font-size: 1.125rem;
  line-height: 1.55;
  font-weight: 400;
  color: var(--color-text);
  text-align: left;
  text-wrap: pretty;
}

.calculator-panel #root .result-panel .result-timeline-bridge-year {
  display: inline;
  padding: 0;
  border: none;
  border-radius: 0;
  background: transparent;
  color: var(--color-accent);
  font-size: inherit;
  font-weight: 800;
  letter-spacing: inherit;
  font-variant-numeric: tabular-nums;
  line-height: inherit;
  text-align: inherit;
}

.calculator-panel #root .result-panel .share-block .copy-button,
.calculator-panel #root .result-panel .share-section .copy-button {
  width: 100%;
  align-self: stretch;
  max-width: 100%;
  background: #2e2e2e;
  color: var(--color-surface);
  border: 2px solid #454545;
  padding: 12px 16px;
  text-align: center;
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.calculator-panel #root .result-panel .share-block .copy-button:hover,
.calculator-panel #root .result-panel .share-section .copy-button:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}

.calculator-panel #root .share-row {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: var(--space-sm);
}

/* Timeline styles live in hltb-timeline.css (scoped under #timeline-root) */


.calculator-panel #root .error {
  background: #fef2f2;
  color: #991b1b;
  border: 2px solid #fecaca;
  border-radius: var(--radius-md);
}

.calculator-panel #root .placeholder {
  display: none;
}

.calculator-panel #root .result-panel .placeholder {
  display: none;
}

#root footer,
#root .site-footer {
  display: none !important;
}

/* Legacy wrapper if present */
.calculator-section {
  width: min(var(--max-width), 100%);
  margin: 0 auto var(--space-xl);
  padding: 0 var(--space-md);
}

/* —— Content shell —— */

.content-wrap {
  width: min(var(--max-width), 100%);
  margin: 0 auto;
  padding: var(--space-xl) var(--space-md) var(--space-2xl);
}

.content-sections {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.content-card {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: clamp(var(--space-md), 4vw, var(--space-lg));
  box-shadow: var(--shadow-md);
}

.content-card h1 {
  margin: 0 0 var(--space-sm);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--color-ink);
}

.content-card h2 {
  margin: 0 0 var(--space-md);
  font-size: clamp(1.35rem, 3vw, 1.85rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--color-ink);
}

.content-card h3 {
  margin: 0 0 var(--space-xs);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-ink);
}

.content-card p,
.content-card li {
  margin: 0 0 var(--space-md);
  color: var(--color-text-muted);
  line-height: 1.7;
}

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

.content-card strong {
  color: var(--color-ink);
  font-weight: 700;
}

.content-card ol,
.content-card ul {
  margin: var(--space-sm) 0 var(--space-md);
  padding-left: 1.35rem;
}

.content-card li {
  margin-bottom: var(--space-xs);
}

/* Editorial split (why section) */

.editorial-split {
  display: grid;
  grid-template-columns: minmax(140px, 200px) 1fr;
  gap: var(--space-lg);
  align-items: start;
}

.editorial-aside .decor-num {
  margin: var(--space-sm) 0 4px;
  font-size: clamp(2.5rem, 8vw, 4rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--color-accent);
}

.editorial-aside .decor-caption {
  margin: 0;
  font-size: 0.85rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--color-text-soft);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.editorial-main .section-label {
  display: none;
}

.editorial-pull {
  margin: var(--space-md) 0;
  padding: var(--space-md) 0 var(--space-md) var(--space-md);
  border-left: 4px solid var(--color-accent);
  font-size: 1.15rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--color-ink);
}

.formula-box {
  margin: var(--space-md) 0;
  padding: var(--space-md) var(--space-lg);
  background: var(--color-ink);
  color: #f7f4ef;
  border-radius: var(--radius-md);
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: clamp(0.85rem, 2vw, 1rem);
  font-weight: 500;
  text-align: center;
  letter-spacing: 0.02em;
}

/* Stat cards */

.example-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-sm);
  margin: var(--space-lg) 0;
}

.example-card {
  padding: var(--space-md);
  background: var(--color-surface-muted);
  border: 2px solid var(--color-ink);
  border-radius: var(--radius-md);
  text-align: left;
}

.example-card .example-rate {
  margin: 0 0 var(--space-xs);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-soft);
}

.example-card .example-result {
  margin: 0;
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--color-ink);
}

/* Million vs billion comparison */

.compare-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: var(--space-md);
  align-items: stretch;
  margin: var(--space-lg) 0;
}

.compare-card {
  padding: var(--space-lg) var(--space-md);
  border: 2px solid var(--color-ink);
  border-radius: var(--radius-md);
  background: var(--color-surface-muted);
}

.compare-card--billion {
  background: var(--color-accent-soft);
  border-color: var(--color-accent);
}

.compare-label {
  display: block;
  margin-bottom: var(--space-xs);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-soft);
}

.compare-amount {
  margin: 0 0 var(--space-sm);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--color-ink);
}

.compare-card--billion .compare-amount {
  color: var(--color-accent);
}

.compare-note {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.5;
  color: var(--color-text-muted);
}

.compare-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  writing-mode: vertical-rl;
  transform: rotate(180deg);
}

/* Collapsible disclosures (FAQ, limitations) */

.content-card--compact {
  padding: var(--space-md) var(--space-lg);
}

.content-card--compact h2 {
  margin-bottom: var(--space-sm);
  font-size: clamp(1.2rem, 2.5vw, 1.45rem);
}

.disclosure-group {
  display: grid;
  gap: var(--space-xs);
  margin-top: var(--space-sm);
}

.disclosure {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-muted);
}

.disclosure summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  padding: 12px 14px;
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--color-ink);
  cursor: pointer;
  list-style: none;
}

.disclosure summary::-webkit-details-marker {
  display: none;
}

.disclosure summary::after {
  content: "+";
  flex-shrink: 0;
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
}

.disclosure[open] summary::after {
  content: "−";
}

.disclosure summary:hover {
  color: var(--color-accent);
}

.disclosure summary:focus {
  outline: none;
}

.disclosure summary:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.disclosure .disclosure-body,
.disclosure > p {
  margin: 0;
  padding: 0 14px 14px;
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--color-text-muted);
}

.disclosure .disclosure-body p {
  margin: 0 0 var(--space-sm);
}

.disclosure .disclosure-body p:last-child {
  margin-bottom: 0;
}

.disclosure[open] summary {
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-sm);
  padding-bottom: var(--space-sm);
}

.link-row {
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
}

.btn-text {
  font-weight: 700;
  letter-spacing: -0.01em;
}

/* Learn link cards */

.link-card-grid {
  display: grid;
  gap: var(--space-sm);
  margin: var(--space-lg) 0 0;
  padding: 0;
  list-style: none;
}

.link-card {
  display: block;
  padding: var(--space-md) var(--space-lg);
  background: var(--color-surface);
  border: 2px solid var(--color-ink);
  border-radius: var(--radius-md);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.link-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  text-decoration: none;
}

.link-card-title {
  display: block;
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-ink);
}

.link-card:hover .link-card-title {
  color: var(--color-accent);
}

/* Billionaire grid */

.billionaire-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  margin-top: var(--space-md);
}

.billionaire-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: var(--color-surface);
  border: 2px solid var(--color-ink);
  border-radius: var(--radius-md);
  transition: transform 0.15s ease, border-color 0.15s ease;
}

.billionaire-card:hover {
  transform: translateY(-3px);
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
}

.billionaire-card h2 {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.billionaire-card h2 a {
  color: var(--color-ink);
  text-decoration: none;
}

.billionaire-card h2 a:hover {
  color: var(--color-accent);
}

.billionaire-card-worth {
  margin: 0;
  font-size: clamp(1.35rem, 3vw, 1.65rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--color-ink);
}

.billionaire-card-question {
  margin: 0;
  flex: 1;
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--color-text-muted);
}

.card-cta {
  display: inline-block;
  margin-top: auto;
  padding: 10px 16px;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-surface);
  background: var(--color-ink);
  border-radius: var(--radius-sm);
  text-decoration: none;
}

.card-cta:hover {
  background: var(--color-accent);
  color: var(--color-surface);
  text-decoration: none;
}

/* Article pages */

.page-article .content-card {
  max-width: 44rem;
  margin-left: auto;
  margin-right: auto;
}

.page-article .content-wrap {
  padding-top: var(--space-lg);
}

/* Billionaires index — wider shell so the card grid can breathe */

.page-billionaires .page-hero-inner,
.page-billionaires .content-wrap {
  width: min(1160px, 100%);
}

.page-billionaires .page-article .content-card {
  max-width: none;
  width: 100%;
}

.page-billionaires .page-intro-note {
  margin: 0 0 var(--space-md);
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--color-text-muted);
}

.page-billionaires .article-lead {
  margin-bottom: var(--space-xs);
}

.article-header {
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: 2px solid var(--color-ink);
}

.article-header h1 {
  margin-bottom: var(--space-md);
}

.article-lead {
  margin: 0;
  font-size: 1.15rem;
  line-height: 1.6;
  color: var(--color-text-muted);
}

.article-body p {
  margin-bottom: var(--space-md);
}

.article-cta {
  margin-top: var(--space-xl);
  padding: var(--space-lg);
  background: var(--color-ink);
  border-radius: var(--radius-md);
  text-align: center;
}

.article-cta a {
  color: #f7f4ef;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}

.article-cta a:hover {
  color: var(--color-accent-soft);
}

/* Page hero for inner pages */

.page-hero {
  padding: var(--space-lg) var(--space-md) 0;
  border-bottom: 2px solid var(--color-ink);
  margin-bottom: var(--space-lg);
}

.page-hero-inner {
  width: min(var(--max-width), 100%);
  margin: 0 auto;
  padding-bottom: var(--space-lg);
}

.page-hero h1 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.05;
}

/* Footer */

.site-footer {
  margin-top: var(--space-2xl);
  padding: var(--space-lg) var(--space-md);
  background: var(--color-ink);
  color: #c9c4bc;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.content-wrap > .site-footer,
main > .site-footer {
  margin-left: calc(-1 * var(--space-md));
  margin-right: calc(-1 * var(--space-md));
  width: calc(100% + 2 * var(--space-md));
  max-width: none;
  border-radius: 0;
}

@media (min-width: 1100px) {
  .content-wrap > .site-footer,
  main > .site-footer {
    margin-left: calc(50% - 50vw);
    margin-right: calc(50% - 50vw);
    width: 100vw;
  }
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  margin-bottom: var(--space-md);
}

.footer-links a {
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #f7f4ef;
  text-decoration: none;
}

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

.footer-disclaimer {
  max-width: 42rem;
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.6;
  color: #9a948a;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* —— Local-only dummy ads (localhost preview; body.local-ads-preview set by JS) —— */

.local-dummy-ad {
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  margin: 0 auto;
  padding: var(--space-md);
  text-align: center;
  background: #e8e6e2;
  border: 2px dashed #a8a29e;
  border-radius: var(--radius-md);
  color: #57534e;
  pointer-events: none;
  user-select: none;
}

.local-dummy-ad--sidebar {
  width: 300px;
  min-height: 600px;
  max-width: 100%;
}

.local-dummy-ad--mobile {
  width: 100%;
  max-width: 320px;
  min-height: 100px;
}

.local-dummy-ad__title {
  margin: 0;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #44403c;
}

.local-dummy-ad__subtitle {
  margin: 0;
  font-size: 0.8rem;
  font-weight: 600;
  color: #78716c;
}

.local-dummy-ad__size {
  margin: var(--space-sm) 0 0;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  color: #a8a29e;
}

/* —— Side ad rails (optional; only when rails have content) —— */

.calculator-panel #root .page.with-ads.page-shell,
.calculator-panel #root .page.with-ads:has(.ad-rail:not(:empty)) {
  box-sizing: border-box;
}

.calculator-panel #root .page.with-ads:has(.ad-rail:not(:empty)) .ad-rail {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  width: 300px;
  max-width: 300px;
  flex-shrink: 0;
}

.calculator-panel #root .page.with-ads:has(.ad-rail:not(:empty)) .ad-rail .local-dummy-ad--sidebar {
  width: 300px;
  max-width: 100%;
}

/* Wide desktop: left rail | main (720–900px) | right rail */
@media (min-width: 1401px) {
  .hero-stage:has(.calculator-panel #root .page.with-ads .ad-rail:not(:empty)) .hero-stage-inner {
    width: min(1560px, 100%);
  }

  .calculator-panel #root .page.with-ads:has(.ad-rail:not(:empty)) {
    display: grid;
    grid-template-columns: 300px minmax(720px, 900px) 300px;
    gap: var(--space-lg);
    justify-content: center;
    align-items: start;
    width: 100%;
    max-width: none !important;
  }

  .calculator-panel #root .page.with-ads:has(.ad-rail:not(:empty)) .content {
    grid-column: 2;
    min-width: 0;
    width: 100%;
    max-width: min(1280px, 100%);
    margin: 0;
  }

  .calculator-panel #root .page.with-ads:has(.ad-rail:not(:empty)) .mobile-ad {
    display: none !important;
  }
}

/* Not enough width for rails + main: hide side ads, inline mobile ad below calculator */
@media (max-width: 1400px) {
  .calculator-panel #root .page.with-ads:has(.ad-rail:not(:empty)) {
    display: block;
    max-width: 100% !important;
  }

  .calculator-panel #root .page.with-ads:has(.ad-rail:not(:empty)) .content {
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
  }

  .calculator-panel #root .page.with-ads:has(.ad-rail:not(:empty)) .ad-rail {
    display: none !important;
  }

  .calculator-panel #root .page.with-ads:has(.ad-rail:not(:empty)) .mobile-ad {
    display: flex !important;
  }
}

/* Tablet / mobile: no side rails */
@media (max-width: 900px) {
  .calculator-panel #root .page.with-ads:has(.ad-rail:not(:empty)) .content {
    max-width: 100%;
  }

  .calculator-panel #root .page.with-ads:has(.ad-rail:not(:empty)) .ad-rail {
    display: none !important;
  }

  .calculator-panel #root .page.with-ads:has(.ad-rail:not(:empty)) .mobile-ad {
    display: flex !important;
  }
}

.contact-email {
  display: inline-block;
  margin: var(--space-md) 0;
  padding: var(--space-sm) var(--space-md);
  border: 2px solid var(--color-ink);
  border-radius: var(--radius-sm);
  font-weight: 700;
  color: var(--color-ink);
  background: var(--color-accent-soft);
}

/* —— Responsive —— */

@media (min-width: 900px) {
  .hero-stage-inner {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .hero-decor-num {
    right: 2%;
    top: 18%;
    transform: none;
  }
}

@media (max-width: 768px) {
  .site-header-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-stage {
    padding: var(--space-lg) 0;
  }

  .hero-stage-inner {
    padding-left: 20px;
    padding-right: 20px;
  }

  .page-home .site-header-inner,
  .page-home .content-wrap {
    padding-left: 20px;
    padding-right: 20px;
  }

  .hero-copy h1 {
    font-size: clamp(1.85rem, 8vw, 2.5rem);
  }

  .hero-decor-num {
    font-size: clamp(4rem, 28vw, 7rem);
    right: 0;
    top: 0;
    transform: none;
    opacity: 0.07;
  }

  .editorial-split {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .editorial-main .section-label {
    display: inline-block;
  }

  .editorial-aside .section-label {
    display: none;
  }

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

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

  .compare-divider {
    writing-mode: horizontal-tb;
    transform: none;
    padding: var(--space-xs) 0;
  }

  .content-card--compact {
    padding: var(--space-sm) var(--space-md);
  }

  .disclosure summary {
    padding: 10px 12px;
    font-size: 0.9rem;
  }

  .disclosure .disclosure-body,
  .disclosure > p {
    padding: 0 12px 12px;
    font-size: 0.9rem;
  }
}

@media (max-width: 900px) {
  .calculator-panel #root .calculator-shell {
    padding: 20px;
  }

  .calculator-panel #root .calculator-top-grid,
  .calculator-panel #root .calculator-top-grid.show-result {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .calculator-panel #root .calculator-form-card {
    padding: 20px;
  }

  .calculator-panel #root .inline-fields,
  .calculator-panel #root .hours-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .calculator-panel {
    padding: var(--space-sm);
  }

  .calculator-panel #root .card {
    padding: var(--space-sm);
  }

  #timeline-root .hltb-timeline-section {
    margin-top: 16px;
    padding-top: 24px;
  }
}

@media (max-width: 480px) {
  .example-grid {
    grid-template-columns: 1fr;
  }

  .hero-decor-num {
    font-size: clamp(3.5rem, 24vw, 6rem);
    right: -12%;
    opacity: 0.06;
  }
}