:root {
  --bg: #f4efe6;
  --ink: #1a1814;
  --hairline: #d4cebe;
  --accent: #6b3a2b;
  --muted: #6e6759;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
}

body {
  font-family: Cambria, Constantia, "Palatino Linotype", Palatino, Georgia, "Times New Roman", serif;
  font-size: 19px;
  line-height: 1.7;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

header.site {
  max-width: 720px;
  margin: 0 auto;
  padding: 56px 32px 0;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.wordmark {
  font-size: 26px;
  font-weight: 400;
  letter-spacing: -0.01em;
  text-decoration: none;
  color: var(--ink);
}

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

nav.top a {
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
  font-style: italic;
  letter-spacing: 0.02em;
  margin-left: 28px;
}

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

main {
  max-width: 640px;
  margin: 0 auto;
  padding: 80px 32px 120px;
}

h1 {
  font-size: 40px;
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 0 0 32px;
}

h1.cascade {
  font-size: 32px;
  line-height: 1.25;
}

h1.cascade span {
  display: block;
}

h1.cascade span:nth-child(2) { padding-left: 1em; }
h1.cascade span:nth-child(3) { padding-left: 2em; }
h1.cascade span:nth-child(4) { padding-left: 3em; }

@media (max-width: 600px) {
  h1.cascade {
    font-size: 24px;
  }
  h1.cascade span:nth-child(2) { padding-left: 0.6em; }
  h1.cascade span:nth-child(3) { padding-left: 1.2em; }
  h1.cascade span:nth-child(4) { padding-left: 1.8em; }
}

h2 {
  font-size: 22px;
  font-weight: 400;
  font-style: italic;
  margin: 56px 0 12px;
  color: var(--ink);
}

p {
  margin: 0 0 24px;
}

a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

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

.lead {
  font-size: 24px;
  line-height: 1.5;
  margin-bottom: 40px;
  color: var(--ink);
}

.muted {
  color: var(--muted);
  font-size: 15px;
  font-style: italic;
}

hr {
  border: none;
  border-top: 1px solid var(--hairline);
  margin: 64px 0;
}

footer.site {
  max-width: 720px;
  margin: 0 auto;
  padding: 40px 32px;
  border-top: 1px solid var(--hairline);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  color: var(--muted);
  font-size: 13px;
  font-style: italic;
  text-align: center;
}

footer.site nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 20px;
}

footer.site a {
  color: var(--muted);
  text-decoration: none;
  margin: 0;
}

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

ul {
  padding-left: 0;
  list-style: none;
  margin: 0 0 24px;
}

ul li {
  padding-left: 28px;
  margin-bottom: 16px;
  position: relative;
}

ul li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--accent);
}

.email {
  font-size: 22px;
  margin: 28px 0 12px;
  display: inline-block;
}

.booking {
  font-style: italic;
  color: var(--muted);
  font-size: 17px;
  margin: 16px 0 32px;
}

.ornament {
  text-align: center;
  color: var(--hairline);
  font-size: 22px;
  letter-spacing: 1em;
  margin: 48px 0;
  user-select: none;
}

strong {
  font-weight: 600;
}

.pullquote {
  border-left: 2px solid var(--accent);
  padding: 20px 32px 20px 28px;
  margin: 56px -32px;
  font-size: 18px;
  line-height: 1.6;
  font-style: italic;
  color: var(--ink);
  background: rgba(107, 58, 43, 0.05);
}

.pullquote p {
  margin: 0 0 14px;
}

.pullquote p:last-child {
  margin: 0;
}

@media (max-width: 600px) {
  .pullquote {
    margin: 48px 0;
    padding: 16px 20px;
    font-size: 17px;
  }
}

.chart-figure {
  margin: 48px 0 24px;
}

.chart-figure-title {
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 4px;
  font-style: italic;
}

.chart-figure-subtitle {
  font-size: 15px;
  color: var(--muted);
  margin: 0 0 24px;
  font-style: italic;
}

.chart {
  width: 100%;
  height: auto;
  display: block;
}

.chart text {
  font-family: Cambria, Constantia, "Palatino Linotype", Palatino, Georgia, serif;
}

.chart-yearlabel {
  font-size: 13px;
  letter-spacing: 0.1em;
  fill: var(--muted);
  font-style: italic;
}

.chart-row-label {
  font-size: 14px;
  fill: var(--ink);
}

.chart-value {
  font-size: 16px;
  fill: var(--ink);
  font-weight: 600;
}

.chart-savings {
  font-size: 13px;
  fill: var(--accent);
  font-style: italic;
}

.chart-legend {
  font-size: 12px;
  fill: var(--muted);
  font-style: italic;
}

.chart-divider {
  stroke: var(--hairline);
  stroke-width: 1;
}

.bar-traditional {
  fill: #b8ad95;
}

.bar-engagement {
  fill: var(--accent);
}

.bar-operating {
  fill: #c79c89;
}

.chart-axis {
  stroke: var(--ink);
  stroke-width: 1;
}

.chart-grid {
  stroke: var(--hairline);
  stroke-width: 1;
  stroke-dasharray: 3 4;
}

.chart-axis-label {
  font-size: 12px;
  fill: var(--muted);
  font-style: italic;
}

.line-traditional {
  stroke: #b8ad95;
  stroke-width: 2.5;
  fill: none;
}

.line-army {
  stroke: var(--accent);
  stroke-width: 2.5;
  fill: none;
}

.dot-traditional {
  fill: #b8ad95;
}

.dot-army {
  fill: var(--accent);
}

.chart-line-value {
  font-size: 15px;
  fill: var(--ink);
  font-weight: 600;
}

.chart-line-id {
  font-size: 11px;
  fill: var(--muted);
  font-style: italic;
}

.chart-caveat {
  font-size: 14px;
  color: var(--muted);
  font-style: italic;
  margin-top: 16px;
}

.tree-trunk {
  font-size: 13px;
  letter-spacing: 0.1em;
  fill: var(--accent);
  font-style: italic;
}

.tree-branch {
  font-size: 16px;
  fill: var(--ink);
}

.tree-line {
  stroke: var(--hairline);
  stroke-width: 1.5;
  fill: none;
}

.alignment-grid {
  margin: 32px 0 40px;
  font-size: 17px;
}

.alignment-header {
  display: grid;
  grid-template-columns: 1fr 56px 56px;
  gap: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--hairline);
  font-size: 12px;
  letter-spacing: 0.12em;
  font-style: italic;
  color: var(--muted);
  text-transform: uppercase;
}

.alignment-header > div:nth-child(2),
.alignment-header > div:nth-child(3) {
  text-align: center;
}

.alignment-row {
  display: grid;
  grid-template-columns: 1fr 56px 56px;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--hairline);
  align-items: center;
  line-height: 1.4;
}

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

.alignment-row .check,
.alignment-row .cross {
  text-align: center;
  font-size: 18px;
  font-weight: normal;
}

.alignment-row .check {
  color: var(--accent);
}

.alignment-row .cross {
  color: var(--hairline);
}

.alignment-row.aligned .check {
  color: var(--ink);
}

.alignment-divider {
  padding: 18px 0 12px;
  font-size: 11px;
  letter-spacing: 0.18em;
  font-style: italic;
  text-transform: uppercase;
  color: var(--muted);
  text-align: center;
}

@media (max-width: 600px) {
  .alignment-grid { font-size: 15px; }
  .alignment-header,
  .alignment-row {
    grid-template-columns: 1fr 40px 40px;
    gap: 8px;
  }
}

.kpi-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin: 32px 0 56px;
}

.kpi-card {
  border-top: 2px solid var(--accent);
  padding: 14px 0 0;
}

.kpi-value {
  font-size: 36px;
  font-weight: 400;
  line-height: 1.05;
  color: var(--ink);
  letter-spacing: -0.02em;
}

.kpi-label {
  margin-top: 6px;
  font-size: 12px;
  font-style: italic;
  color: var(--muted);
  letter-spacing: 0.06em;
}

.metric-figure {
  margin: 24px 0 56px;
}

.kpi-row-label {
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  font-style: italic;
  margin: 28px 0 4px;
}

.median-line-pre {
  stroke: #8a7d63;
  stroke-width: 1.5;
  stroke-dasharray: 4 4;
}

.median-line-ai {
  stroke: var(--accent);
  stroke-width: 1.5;
  stroke-dasharray: 4 4;
}

.median-label-pre {
  fill: #8a7d63;
  font-size: 11px;
  font-style: italic;
}

.median-label-ai {
  fill: var(--accent);
  font-size: 11px;
  font-style: italic;
}

.chart-legend-swatch {
  font-size: 13px;
  fill: var(--muted);
  font-style: italic;
}

.data-footnote {
  margin-top: 56px;
  padding: 24px 0 0;
  border-top: 1px solid var(--hairline);
  font-size: 14px;
  color: var(--muted);
  font-style: italic;
  line-height: 1.6;
}

.table-wrap {
  overflow-x: auto;
  margin: 24px 0 28px;
}

.metrics-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}

.metrics-table th {
  text-align: left;
  font-weight: 400;
  font-style: italic;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 10px 14px 10px 0;
  border-bottom: 1px solid var(--hairline);
  white-space: nowrap;
}

.metrics-table td {
  padding: 14px 14px 14px 0;
  border-bottom: 1px solid var(--hairline);
  color: var(--ink);
  white-space: nowrap;
}

.metrics-table th:not(:first-child),
.metrics-table td:not(:first-child) {
  text-align: right;
}

.metrics-table tbody tr:last-child td {
  border-bottom: none;
}

.metrics-table tbody td:first-child {
  font-style: italic;
  color: var(--muted);
}

.metrics-table tbody td.ratio {
  color: var(--accent);
  font-weight: 600;
}

@media (max-width: 600px) {
  .metrics-table { font-size: 13px; }
  .metrics-table th, .metrics-table td { padding: 8px 8px 8px 0; }
}

.rate-controls {
  margin: 28px 0 24px;
  padding: 22px 26px;
  border: 1px solid var(--hairline);
  background: rgba(107, 58, 43, 0.03);
}

.rate-mode-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  font-size: 12px;
  color: var(--muted);
}

.rate-mode-label {
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-style: italic;
}

.rate-mode {
  background: none;
  border: 1px solid var(--hairline);
  padding: 6px 16px;
  font-family: inherit;
  font-size: 13px;
  color: var(--muted);
  cursor: pointer;
  font-style: italic;
  letter-spacing: 0.04em;
}

.rate-mode:hover {
  border-color: var(--ink);
  color: var(--ink);
}

.rate-mode.active {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
}

.rate-slider-row {
  display: flex;
  align-items: center;
  gap: 24px;
}

#rate-slider {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  background: var(--hairline);
  border-radius: 2px;
  outline: none;
}

#rate-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  background: var(--accent);
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid var(--bg);
}

#rate-slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  background: var(--accent);
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid var(--bg);
}

.rate-display {
  min-width: 160px;
  text-align: right;
}

#rate-value {
  font-size: 28px;
  color: var(--ink);
  font-weight: 400;
  letter-spacing: -0.02em;
}

#rate-unit {
  font-size: 14px;
  color: var(--muted);
  font-style: italic;
  margin-left: 4px;
}

@media (max-width: 600px) {
  .rate-slider-row { flex-direction: column; align-items: stretch; gap: 14px; }
  .rate-display { text-align: center; }
}

.metric-figure-title {
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  font-style: italic;
  margin: 0 0 4px;
}

.metric-figure-subtitle {
  font-size: 15px;
  color: var(--muted);
  font-style: italic;
  margin: 0 0 20px;
}

@media (max-width: 600px) {
  .kpi-cards {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .kpi-value { font-size: 28px; }
}

@media (max-width: 600px) {
  body { font-size: 17px; }
  h1 { font-size: 32px; }
  .lead { font-size: 20px; }
  header.site, footer.site { flex-direction: column; align-items: flex-start; gap: 16px; }
  nav.top a { margin-left: 0; margin-right: 20px; }
  main { padding-top: 48px; }
}