:root {
  --ink: #1d2733;
  --ink-soft: #4a5868;
  --bg: #fbfaf7;
  --card: #ffffff;
  --line: #e3e0d8;
  --accent: #0f4c81;
  --accent-soft: #e8f0f7;
  --pos: #1a7a4a;
  --neg: #b3362b;
  font-size: 16px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
}

.container {
  max-width: 1060px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

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

/* Header */
.site-header {
  background: var(--ink);
  color: #fff;
  padding: 1.1rem 0;
}
.site-header .container {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem 1.5rem;
}
.brand h1 {
  margin: 0;
  font-size: 1.55rem;
  letter-spacing: 0.01em;
}
.tagline {
  margin: 0.15rem 0 0;
  font-size: 0.86rem;
  color: #b9c4d0;
}
.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.9rem;
}
.site-nav a {
  color: #d8e0e8;
  text-decoration: none;
}
.site-nav a:hover { color: #fff; text-decoration: underline; }

/* Hero */
.hero {
  background: linear-gradient(180deg, #f2efe8 0%, var(--bg) 100%);
  padding: 2.2rem 0 1.6rem;
  border-bottom: 1px solid var(--line);
}
.hero-title {
  max-width: 46rem;
  font-size: 1.65rem;
  line-height: 1.25;
  margin: 0 0 0.8rem;
}
.lede {
  max-width: 56rem;
  font-size: 1.08rem;
  margin: 0 0 1rem;
}
.lede-secondary {
  font-size: 0.95rem;
  color: var(--ink-soft);
  margin-bottom: 1.4rem;
}
.hero-grid {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 0.9rem;
  align-items: stretch;
}
.headline-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-top: 4px solid var(--accent);
  border-radius: 10px;
  padding: 1rem 1.2rem;
  display: flex;
  flex-direction: column;
}
.headline-label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.headline-value {
  font-size: 3.1rem;
  font-weight: 800;
  line-height: 1.05;
  font-variant-numeric: tabular-nums;
}
.headline-date {
  font-size: 0.85rem;
  color: var(--ink-soft);
}
.headline-yoy {
  margin-top: 0.55rem;
  font-size: 0.95rem;
  font-weight: 700;
}
.headline-yoy.pos { color: var(--pos); }
.headline-yoy.neg { color: var(--neg); }
.headline-def {
  margin-top: auto;
  padding-top: 0.7rem;
  font-size: 0.8rem;
  line-height: 1.45;
  color: var(--ink-soft);
}
.chart-headline { height: 290px; }
@media (max-width: 760px) {
  .hero-grid { grid-template-columns: 1fr; }
}
.kpi-note {
  margin: 0.6rem 0 0;
  font-size: 0.8rem;
  color: var(--ink-soft);
}

/* Sticky controls */
.controls-bar {
  position: sticky;
  top: 0;
  z-index: 30;
  background: #fffdf8;
  border-bottom: 1px solid var(--line);
  box-shadow: 0 1px 4px rgba(0,0,0,0.04);
}
.controls-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem 1.6rem;
  padding-top: 0.55rem;
  padding-bottom: 0.55rem;
}
.control {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}
.control label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--ink-soft);
}
.control select {
  font: inherit;
  font-size: 0.88rem;
  padding: 0.25rem 0.4rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
}
.control-note {
  font-size: 0.78rem;
  color: var(--ink-soft);
  margin-left: auto;
}
.control-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.6rem;
  margin-bottom: 0.4rem;
}

/* Sections and charts */
.chart-section, .prose-section {
  margin: 2.6rem 0;
  scroll-margin-top: 4.5rem;
}
.chart-section h2, .prose-section h2 {
  font-size: 1.35rem;
  margin: 0 0 0.4rem;
}
.chart-section h3 {
  font-size: 1.05rem;
  margin: 1.6rem 0 0.3rem;
}
.chart-intro {
  max-width: 54rem;
  color: var(--ink-soft);
  font-size: 0.95rem;
  margin: 0 0 0.9rem;
}
.chart {
  width: 100%;
  height: 420px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 6px;
}
.chart-tall { height: 470px; }
.chart-short { height: 340px; }
.chart-occ { height: 380px; margin-bottom: 0.3rem; }
.chart-summary { height: 330px; }
.summary-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
}
.summary-grid h3 { margin: 0 0 0.4rem; }
@media (max-width: 860px) {
  .summary-grid { grid-template-columns: 1fr; }
}
.chart-footnote {
  font-size: 0.8rem;
  color: var(--ink-soft);
  margin-top: 0.5rem;
}

/* Tab buttons */
.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.7rem;
}
.btn-row button {
  font: inherit;
  font-size: 0.86rem;
  padding: 0.32rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--ink-soft);
  cursor: pointer;
}
.btn-row button:hover { border-color: var(--accent); color: var(--accent); }
.btn-row button.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* Prose & downloads */
.prose-section p { max-width: 56rem; }
.download-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 0.7rem;
  margin-top: 0.9rem;
}
.download-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.7rem 0.9rem;
  font-size: 0.86rem;
}
.download-card strong { display: block; margin-bottom: 0.3rem; }
.download-card a {
  display: inline-block;
  margin-right: 0.7rem;
  font-size: 0.82rem;
}
code {
  background: var(--accent-soft);
  padding: 0.05rem 0.3rem;
  border-radius: 4px;
  font-size: 0.85em;
}

/* Footer */
.site-footer {
  margin-top: 3rem;
  padding: 1.4rem 0 2rem;
  border-top: 1px solid var(--line);
  font-size: 0.82rem;
  color: var(--ink-soft);
}

@media (max-width: 640px) {
  .chart { height: 340px; }
  .chart-tall { height: 380px; }
  .control-note { display: none; }
}