:root {
  --ink: #14120f;
  --paper: #f2f1ec;
  --card: #fff;
  --line: rgba(20, 18, 15, 0.13);
  --dim: #6e6b65;
  --signal: #2457f5;      /* data colour — charts, matrix, results panel */
  --signal-pale: #dfe6ff;
  --accent: #d1ef17;      /* brand CTA colour — deliberately NOT the data colour */
  --accent-ink: #14120f;
  --sans: "Archivo", system-ui, sans-serif;
  --mono: "IBM Plex Mono", monospace;
  --pad: clamp(1.25rem, 4vw, 4rem);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { background: var(--paper); color: var(--ink); font-family: var(--sans); font-size: 1.0625rem; line-height: 1.62; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
::selection { background: var(--accent); color: var(--accent-ink); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.mono, .eyebrow { font-family: var(--mono); font-size: .72rem; letter-spacing: .13em; text-transform: uppercase; }

.report-head { position: absolute; z-index: 2; inset: 0 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 2rem; padding: 1.25rem var(--pad); color: var(--paper); }
.brand { display: flex; align-items: baseline; gap: .4rem; }
.brand strong { font-size: 1.35rem; letter-spacing: -.04em; }
.brand span { font-size: 1rem; }
.report-head nav { display: flex; align-items: center; gap: clamp(1rem, 2.5vw, 2rem); }
.report-head nav a { color: rgba(242, 241, 236, .72); font-size: .9rem; }
.report-head nav a:hover { color: #fff; }
.head-cta { background: var(--accent); border-radius: 999px; padding: .65rem 1.05rem; font-weight: 600; color: var(--accent-ink) !important; transition: filter .3s, transform .3s; }
.head-cta:hover { filter: brightness(1.06); transform: translateY(-2px); }

.report-hero { min-height: 92svh; display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(22rem, .75fr); gap: clamp(3rem, 7vw, 8rem); align-items: end; padding: clamp(8.5rem, 15vh, 11rem) var(--pad) clamp(3rem, 7vh, 5.5rem); background: var(--ink); color: var(--paper); }
.eyebrow { color: #9c9890; margin-bottom: clamp(2rem, 7vh, 5rem); }
.report-hero h1 { max-width: 11ch; font-size: clamp(3.8rem, 8vw, 8.6rem); line-height: .91; letter-spacing: -.06em; font-weight: 700; }
.report-hero h1 span { color: #78756e; }
.hero-lead { max-width: 42rem; margin-top: 2rem; color: #b2aea5; font-size: clamp(1.05rem, 1.5vw, 1.3rem); }
.field-card { align-self: end; border: 1px solid rgba(255,255,255,.16); background: #1b1916; padding: 1.35rem; }
.field-card__head { display: flex; justify-content: space-between; gap: 1rem; align-items: start; padding-bottom: 1rem; border-bottom: 1px solid rgba(255,255,255,.13); }
.field-card__head > span { color: #8e8a82; }
.field-card__head strong { color: var(--signal-pale); font: 500 clamp(2.2rem, 5vw, 4.5rem)/.8 var(--mono); letter-spacing: -.08em; }
.field-card__head strong i { color: #716e68; font-size: .4em; font-style: normal; letter-spacing: -.04em; }
.sample-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 5px; padding: 1.4rem 0; }
.sample-cell { aspect-ratio: 1; border: 1px solid rgba(255,255,255,.18); }
.sample-cell.is-done { border-color: var(--signal); background: var(--signal); }
.field-card__foot { display: flex; flex-wrap: wrap; gap: 1.25rem; color: #918e87; font: .68rem var(--mono); text-transform: uppercase; }
.field-card__foot span { display: inline-flex; align-items: center; gap: .45rem; }
.legend-dot { display: inline-block; width: 9px; height: 9px; border: 1px solid #6e6b65; }
.legend-dot--done { border-color: var(--signal); background: var(--signal); }

.status-strip { display: grid; grid-template-columns: .8fr 1.5fr .7fr; gap: 1.5rem; padding: 1rem var(--pad); border-bottom: 1px solid var(--line); font: .72rem/1.4 var(--mono); text-transform: uppercase; letter-spacing: .06em; }
.status-strip strong { color: var(--signal); }
.status-strip span { color: var(--dim); }
.status-strip time { text-align: right; }

.ledger-section { display: grid; grid-template-columns: minmax(9rem, .55fr) minmax(0, 2.45fr); gap: clamp(2rem, 7vw, 8rem); padding: clamp(5rem, 11vh, 9rem) var(--pad); border-bottom: 1px solid var(--line); }
.section-label { color: var(--dim); }
.section-body { min-width: 0; max-width: 68rem; }
.section-body h2, .criteria h2, .results-panel h2, .corrections h2 { font-size: clamp(2.35rem, 5vw, 5rem); line-height: 1; letter-spacing: -.05em; font-weight: 660; }
.section-body h2 span, .criteria h2 span { color: var(--dim); }
.section-body > p { max-width: 54rem; color: #504e48; margin-top: 1.2rem; }
.section-body .lead-copy { color: var(--ink); font-size: clamp(1.2rem, 2vw, 1.55rem); line-height: 1.48; }
.section-heading { display: grid; grid-template-columns: 1.15fr .85fr; gap: 3rem; align-items: end; margin-bottom: 3rem; }
.section-heading p { color: var(--dim); }

.matrix { max-width: 100%; border-top: 2px solid var(--ink); }
.matrix__row { display: grid; grid-template-columns: minmax(10rem, 2fr) repeat(5, 1fr); border-bottom: 1px solid var(--line); }
.matrix__row > * { padding: .8rem .65rem; border-right: 1px solid var(--line); }
.matrix__row > *:last-child { border-right: 0; }
.matrix__row span { text-align: center; font-family: var(--mono); font-size: .78rem; }
.matrix__head { color: var(--dim); font: .67rem var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.matrix-key { color: var(--dim); margin-top: 1rem !important; }

.criteria { padding: clamp(5rem, 11vh, 9rem) var(--pad); background: var(--card); }
.criteria__head { display: grid; grid-template-columns: .55fr 2.45fr; gap: clamp(2rem, 7vw, 8rem); margin-bottom: 4rem; }
.criteria__head > span { color: var(--signal); }
.criteria-list { border-top: 2px solid var(--ink); }
.criteria-list article { display: grid; grid-template-columns: .45fr .9fr 1.65fr; gap: 1.5rem; align-items: baseline; padding: 1.25rem 0; border-bottom: 1px solid var(--line); }
.criterion-id { color: var(--signal); }
.criteria-list h3 { font-size: 1.1rem; }
.criteria-list p { color: var(--dim); }

.protocol-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.protocol-grid article { min-height: 15rem; padding: 1.5rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.protocol-grid h3 { font-size: 1.15rem; margin-bottom: 4rem; }
.protocol-grid p { color: var(--dim); font-size: .95rem; }

.results-panel { margin: var(--pad); padding: clamp(2rem, 6vw, 5rem); background: var(--signal); color: #fff; }
.results-panel .mono { color: var(--signal-pale); display: block; margin-bottom: 1.5rem; }
.results-panel h2 { max-width: 14ch; margin-bottom: 1.5rem; }
.results-panel > p { max-width: 42rem; color: var(--signal-pale); font-size: 1.1rem; }
.results-grid { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 3rem; border-top: 1px solid rgba(255,255,255,.28); border-left: 1px solid rgba(255,255,255,.28); }
.result-card { min-height: 8rem; padding: 1.25rem; border-right: 1px solid rgba(255,255,255,.28); border-bottom: 1px solid rgba(255,255,255,.28); display: flex; flex-direction: column; justify-content: space-between; }
.result-card strong { font-size: clamp(2rem, 4vw, 3.5rem); letter-spacing: -.06em; }
.result-card span { color: var(--signal-pale); font-size: .85rem; }
.results-links { display: flex; flex-wrap: wrap; gap: 1.25rem 2rem; margin-top: 2rem; }
.results-links a { color: #fff; border-bottom: 1px solid rgba(255,255,255,.7); padding-bottom: .25rem; }
.results-note { margin-top: 2rem; padding-top: 1.25rem; border-top: 1px solid rgba(255,255,255,.28); color: var(--signal-pale); font: .78rem/1.6 var(--mono); }
.research-copy { max-width: 48rem; }
.research-copy p { max-width: 46rem; color: var(--dim); font-size: 1.05rem; }
.research-copy p + p { margin-top: 1rem; }
.finding-grid { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); margin-top: 3rem; }
.finding-card { min-height: 16rem; padding: 1.5rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.finding-card .mono { color: var(--dim); }
.finding-card h3 { margin: 3rem 0 1rem; font-size: 1.35rem; letter-spacing: -.03em; }
.finding-card p { color: var(--dim); font-size: .95rem; }
.research-note { margin-top: 2rem; padding: 1rem 1.25rem; border-left: 2px solid var(--signal); color: var(--dim); font-size: .9rem; }

.corrections { padding: clamp(5rem, 11vh, 9rem) var(--pad); }
.corrections .mono { color: var(--dim); }
.corrections h2 { max-width: 15ch; margin: 2rem 0; }
.corrections > p:not(.mono) { max-width: 45rem; color: var(--dim); }
.corrections a { display: inline-flex; gap: 2rem; margin-top: 2rem; padding-bottom: .35rem; border-bottom: 1px solid var(--ink); font-weight: 600; }
.corrections a span { color: var(--signal); }
.report-footer { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem 2rem; padding: 1.3rem var(--pad) 2rem; border-top: 1px solid var(--line); color: var(--dim); font-size: .86rem; }
.report-footer nav { display: flex; flex-wrap: wrap; gap: 1.2rem; }

@media (max-width: 850px) {
  .report-hero { grid-template-columns: 1fr; min-height: auto; }
  .field-card { width: 100%; }
  .status-strip { grid-template-columns: 1fr; }
  .status-strip time { text-align: left; }
  .ledger-section, .criteria__head { grid-template-columns: 1fr; }
  .section-heading { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .report-head nav a:not(.head-cta) { display: none; }
  .report-hero h1 { font-size: clamp(3.2rem, 16vw, 5rem); }
  .sample-grid { grid-template-columns: repeat(10, 1fr); }
  .matrix { width: 100%; overflow-x: auto; overscroll-behavior-inline: contain; }
  .matrix__row { min-width: 35rem; }
  .criteria-list article { grid-template-columns: 4rem 1fr; }
  .criteria-list p { grid-column: 2; }
  .protocol-grid { grid-template-columns: 1fr; }
  .results-panel { margin-left: .75rem; margin-right: .75rem; }
  .results-grid { grid-template-columns: repeat(2, 1fr); }
  .finding-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }