:root {
  --g: #078763;
  --g2: #12b981;
  --deep: #074e3c;
  --ink: #101828;
  --muted: #667085;
  --line: #e4e7ec;
  --soft: #f6f8fa;
  --mint: #eafbf4;
  --warn: #fff8df;
  --gold: #c98b00;
  --shadow: 0 8px 28px rgba(16,24,40,.08);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: #f3f6f7;
  color: var(--ink);
  font: 16px/1.65 Inter, Segoe UI, Arial, sans-serif;
  min-height: 100vh;
}

/* ── Manual header (white) ── */
header.site {
  background: #fff;
  color: var(--ink);
  padding: 18px clamp(18px, 4vw, 70px);
  box-shadow: 0 2px 8px rgba(16,24,40,.06);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand h1 {
  font-size: clamp(22px, 3.5vw, 36px);
  line-height: 1.1;
  margin: 0;
  color: var(--deep);
}

.brand p { margin: 5px 0 0; color: var(--muted); }

.round-logo {
  width: 68px; height: 68px; border-radius: 50%;
  background: var(--g); color: #fff;
  display: grid; place-items: center; font-weight: 900;
}

.round-logo.small { width: 56px; height: 56px; }

.tools { display: flex; gap: 9px; margin-top: 12px; }

.tools input {
  flex: 1; border: 1px solid var(--line);
  border-radius: 10px; padding: 10px 14px; font-size: 15px;
}

.tools button,
.tools a {
  border: 1px solid var(--line); border-radius: 10px; padding: 10px 14px;
  background: #fff; color: var(--g);
  font-weight: 800; text-decoration: none; cursor: pointer;
}

/* ── Global note ── */
.global-note {
  max-width: 1600px; margin: 22px auto 0;
  background: var(--warn); border: 1px solid #efc35a;
  border-left: 6px solid var(--gold);
  padding: 17px 20px; border-radius: 14px;
}
.global-note p { margin: 4px 0 0; }

/* ── Layout ── */
.layout {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  max-width: 1600px; margin: auto;
}

aside {
  height: calc(100vh - 20px); position: sticky; top: 10px;
  overflow: auto; background: white;
  border-right: 1px solid var(--line); padding: 18px;
}

aside a {
  display: block; padding: 6px 9px; border-radius: 8px;
  text-decoration: none; color: #344054; font-size: 14px;
}

aside a:hover,
aside a.active {
  background: var(--mint); color: var(--g); font-weight: 800;
}

main { padding: 24px clamp(16px, 4vw, 55px); min-width: 0; }

section {
  scroll-margin-top: 20px; background: #fff;
  border: 1px solid var(--line); border-radius: 18px;
  box-shadow: 0 2px 10px rgba(16,24,40,.03);
  padding: clamp(20px, 3vw, 38px); margin-bottom: 22px;
}

h2 { margin: 0 0 20px; color: var(--deep); }

.lead { font-size: 1.2em; line-height: 1.6; color: var(--muted); }

.callout {
  background: var(--soft); border-left: 4px solid var(--g);
  padding: 15px 20px; border-radius: 10px; margin: 15px 0;
}

.formula {
  background: var(--mint); border: 1px solid #b7e2ce;
  border-radius: 10px; padding: 14px 18px; margin: 12px 0;
}
.formula b { display: block; margin-bottom: 5px; color: var(--deep); }
.formula code {
  display: block; background: #fff; padding: 10px;
  border-radius: 6px; font-size: 14px; color: var(--ink);
  font-family: 'Fira Code', 'Consolas', monospace; margin-top: 5px;
}

.grid.two { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.grid.four { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }

.category-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 14px;
}
.quality-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px;
}
.tooltip-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px;
}

.metric-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; margin: 15px 0; }
.metric-grid.ten { grid-template-columns: repeat(5, 1fr); }
.metric-grid.four { grid-template-columns: repeat(4, 1fr); }
.metric-grid.mini { grid-template-columns: repeat(3, 1fr); }
.metric-grid div,
.metric-grid article {
  background: var(--soft); border-radius: 8px;
  padding: 12px 8px; text-align: center; font-size: 14px;
}
.metric-grid b { display: block; font-size: 1.6em; color: var(--g); }
.metric-grid span { color: var(--muted); }

dl {
  display: grid; grid-template-columns: 1fr 3fr; gap: 8px 20px;
  margin: 15px 0;
}
dt { font-weight: 800; color: var(--deep); padding: 5px 0; }
dd { margin: 0; padding: 5px 0; color: var(--muted); }

.tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 15px 0; }
.tags span {
  background: var(--mint); color: var(--g); padding: 5px 12px;
  border-radius: 30px; font-size: 13px; font-weight: 700;
}

.sample-badge {
  background: var(--warn); color: var(--gold); padding: 3px 9px;
  border-radius: 6px; font-size: 11px; font-weight: 800;
  text-transform: uppercase; letter-spacing: 0.5px;
}

.example-note {
  background: var(--warn); border: 1px solid #efc35a;
  border-radius: 10px; padding: 12px 16px; font-size: 14px; margin: 12px 0;
}

.mock {
  border: 2px dashed var(--line); background: var(--soft);
  border-radius: 12px; padding: 18px; margin: 15px 0;
}

.hero { display: flex; align-items: center; gap: 16px; }

.eyebrow {
  font-size: 11px; font-weight: 800; letter-spacing: 1.4px;
  color: var(--muted);
}

.centre-card {
  border: 1px solid var(--line); border-radius: 18px;
  padding: 18px; background: #fff;
}
.centre-card > header { display: flex; align-items: center; gap: 14px; margin-bottom: 15px; }
.centre-card header > span { margin-left: auto; font-size: 13px; color: var(--muted); }

.searchbar { display: flex; gap: 8px; flex-wrap: wrap; }
.filterbar { display: flex; gap: 8px; flex-wrap: wrap; }

.searchbar select,
.searchbar input,
.filterbar select,
.filterbar input {
  padding: 8px 12px; border: 1px solid var(--line);
  border-radius: 8px; font-size: 14px;
}

.results { border: 1px solid var(--line); border-radius: 14px; padding: 15px; }
.results-head {
  display: flex; justify-content: space-between;
  align-items: center; margin-bottom: 15px;
}

.event-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; }
.event-grid article {
  border: 1px solid var(--line); border-radius: 12px;
  padding: 12px; background: white;
}
.event-grid h4 { margin: 5px 0; }
.event-grid p { margin: 0; font-size: 13px; color: var(--muted); }

.narrative {
  border: 1px solid var(--line); border-radius: 14px;
  padding: 18px; background: #fafcff; margin: 15px 0;
}
.narrative .about {
  background: var(--soft); border-radius: 8px;
  padding: 12px; margin-top: 12px;
}

.centre-header { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.centre-header nav { font-size: 14px; color: var(--g); }

.checklist { columns: 2; column-gap: 30px; padding: 0; list-style: none; }
.checklist li {
  break-inside: avoid; margin-bottom: 5px;
  padding-left: 20px; position: relative;
}
.checklist li::before {
  content: "\2610"; position: absolute; left: 0; color: var(--g);
}

.programme-overview {
  display: grid; grid-template-columns: auto auto auto;
  gap: 15px; align-items: center; background: var(--soft);
  border-radius: 14px; padding: 18px; margin: 15px 0;
}
.programme-overview h3 { grid-column: 1 / -1; margin: 0; }

.hidden { display: none; }

.subsection-list { display: flex; flex-direction: column; gap: 16px; margin: 15px 0; }
.subsection-item {
  background: var(--soft); border-radius: 10px;
  padding: 14px 18px; border-left: 3px solid var(--g);
}
.subsection-item h3 { margin: 0 0 6px; color: var(--deep); }
.subsection-item p { margin: 0; color: var(--muted); }

/* ── Main content flex ── */
main {
  display: flex;
  flex-direction: column;
  gap: 34px;
}
main section {
  margin-bottom: 0;
  border-radius: 18px;
  border-top: 5px solid var(--g);
  position: relative;
}
main section + section { margin-top: 0; }
main section h2 {
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

/* ── Responsive ── */
@media (max-width: 1000px) {
  .layout { display: block; }
  aside { display: none; }
  .grid.four,
  .metric-grid.ten { grid-template-columns: repeat(2, 1fr); }
  .metric-grid.mini { grid-template-columns: repeat(3, 1fr); }
  .event-grid { grid-template-columns: 1fr; }
}

@media (max-width: 650px) {
  .tools { flex-wrap: wrap; }
  .tools input { max-width: 100%; }
  .grid.two,
  .grid.four,
  .category-grid,
  .quality-grid,
  .tooltip-grid,
  .metric-grid,
  .metric-grid.ten,
  .metric-grid.four { grid-template-columns: 1fr; }
  .metric-grid.mini { grid-template-columns: repeat(2, 1fr); }
  .hero { align-items: flex-start; }
  .searchbar,
  .filterbar { flex-direction: column; }
  .centre-card > header { flex-wrap: wrap; align-items: flex-start; }
  .centre-card header > span { margin-left: 0; }
  dl { grid-template-columns: 1fr; }
  dt { padding-bottom: 3px; }
  dd { padding-top: 3px; }
  .checklist { columns: 1; }
  .programme-overview { grid-template-columns: 1fr; }
  .programme-overview h3 { grid-column: auto; }
}

@media print {
  header,
  aside,
  .tools { display: none; }
  .layout { display: block; }
  main { padding: 0; }
  section { box-shadow: none; break-inside: avoid; }
  .global-note { margin: 0 0 20px; }
}