/* ============================================================
   Research — editorial expression.
   Tokens, masthead, footer, .btn, .btn-o, .kicker come from home.css
   (enqueued alongside this file). Single green accent, warm paper,
   hairline rules, evidence-as-tables. rs-* namespace.
   ============================================================ */

:root {
  --accent-deep: #2F4A31;
  --accent-2:    #5A8555;
  --faint:       #9A9384;
  --line-2:      #C7C0B0;
}

.rs-accent { color: var(--accent); }

/* section rhythm ---------------------------------------------------------- */
.rs-band {
  padding:49px 0;
  border-top: 1px solid var(--line);
  background: var(--paper);
}
.rs-band--alt { background: var(--paper-2); }

.rs-h2 {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 32px;
  line-height: 1.12;
  letter-spacing: -.01em;
  color: var(--ink);
  margin: 8px 0 18px;
}
.rs-center { text-align: center; }
.rs-centered { max-width: 900px; margin-left: auto; margin-right: auto; }
.rs-mt { margin-top: 40px; }

.rs-text {
  font-family: var(--font-body);
  font-size: 16.5px;
  line-height: 1.62;
  color: var(--ink-2);
  margin: 0 0 18px;
}
.rs-sub {
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.6;
  color: var(--muted);
  max-width: 70ch;
  margin: 6px auto 0;
  text-align: center;
}
.rs-mini-label {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 20px;
}

/* hero -------------------------------------------------------------------- */
.rs-hero { padding:56px 0 42px; background: var(--paper); }
.rs-hero-title {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 52px;
  line-height: 1.04;
  letter-spacing: -.022em;
  color: var(--ink);
  margin: 10px 0 22px;
  max-width: none;
}
.rs-hero-sub {
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.6;
  color: var(--muted);
  max-width: 66ch;
  margin: 0;
}

/* 01 — two column: narrative + gaps -------------------------------------- */
.rs-two-col {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap:38px;
  align-items: start;
}
.rs-quote {
  margin: 26px 0 0;
  padding:4px 0 4px 22px;
  border-left: 2px solid var(--accent);
}
.rs-quote p {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 19px;
  line-height: 1.5;
  color: var(--ink);
  margin: 0;
}
.rs-gaps {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding:22px 26px;
}
.rs-gap {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap:14px;
  padding:18px 0;
  border-top: 1px solid var(--line);
}
.rs-gap:first-of-type{ border-top: 0; padding-top:4px; }
.rs-gap-n {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 600;
  color: var(--accent);
  line-height: 1;
}
.rs-gap h4 {
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  margin: 2px 0 6px;
}
.rs-gap p {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.55;
  color: var(--ink-2);
  margin: 0;
}

/* table ------------------------------------------------------------------- */
.rs-table-wrap { overflow-x: auto; max-width: 960px; margin: 0 auto; }
.rs-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
}
.rs-table th {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
  text-align: left;
  padding:14px 18px;
  background: var(--paper-2);
  border-bottom: 1px solid var(--line);
}
.rs-table td {
  font-family: var(--font-body);
  font-size: 14.5px;
  color: var(--ink-2);
  padding:15px 18px;
  border-bottom: 1px solid var(--line);
}
.rs-table tr:last-child td { border-bottom: 0; }
.rs-disease { font-family: var(--font-serif); font-size: 17px; color: var(--ink); }
.rs-protein { font-family: var(--font-mono); font-size: 13px; color: var(--ink-2); }
.rs-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: .06em;
  padding:3px 9px;
  border-radius: 999px;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid transparent;
}
.rs-badge--none {
  color: #fff;
  background: var(--accent-deep);
}
.rs-table-note {
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--muted);
  text-align: center;
  max-width: 72ch;
  margin: 22px auto 0;
}

/* 02 — pipeline + callout ------------------------------------------------- */
.rs-pipeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap:12px;
}
.rs-step {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding:19px 22px;
  text-align: left;
}
.rs-step-n {
  display: inline-flex; align-items: center; justify-content: center;
  width: 30px; height: 30px;
  font-family: var(--font-mono);
  font-size: 13px; font-weight: 500;
  color: var(--accent);
  background: var(--accent-soft);
  border-radius: 999px;
  margin-bottom: 14px;
}
.rs-step h3 {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 20px;
  color: var(--ink);
  margin: 0 0 8px;
}
.rs-step p {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.55;
  color: var(--ink-2);
  margin: 0;
}
.rs-callout {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap:14px;
  align-items: start;
  margin-top: 28px;
  padding:21px 28px;
  background: var(--accent-soft);
  border: 1px solid var(--line);
  border-radius: 16px;
  text-align: left;
}
.rs-callout-icon {
  width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  color: var(--accent);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
}
.rs-callout h4 {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 19px;
  color: var(--ink);
  margin: 2px 0 8px;
}
.rs-callout p {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.58;
  color: var(--ink-2);
  margin: 0;
}

/* 03 — validation panel --------------------------------------------------- */
.rs-panel {
  max-width: 960px;
  margin: 36px auto 0;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding:27px 34px 24px;
}
.rs-panel-title {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 24px;
  color: var(--ink);
  margin: 0 0 14px;
}
.rs-outcomes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap:11px;
}
.rs-outcome {
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 2px solid var(--accent);
  border-radius: 10px;
  padding:18px 18px;
}
.rs-outcome h4 {
  font-family: var(--font-body);
  font-size: 14.5px;
  font-weight: 600;
  color: var(--ink);
  margin: 0 0 8px;
}
.rs-outcome p {
  font-family: var(--font-body);
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--ink-2);
  margin: 0;
}
.rs-findings {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap:11px;
  margin-top: 18px;
}
.rs-finding {
  padding:16px 18px;
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: 10px;
}
.rs-finding p {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.55;
  color: var(--ink-2);
  margin: 0;
}

/* reversal ---------------------------------------------------------------- */
.rs-reversal {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}
.rs-reversal-title {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 28px;
  color: var(--ink);
  margin: 6px 0 16px;
}
.rs-center-text { text-align: center; max-width: 68ch; margin-left: auto; margin-right: auto; }
.rs-note {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .02em;
  color: var(--muted);
  margin: 18px 0 26px;
}

/* 04 — targets ------------------------------------------------------------ */
.rs-targets {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap:14px;
  margin-top: 36px;
}
.rs-target {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding:22px 26px;
}
.rs-target-badge {
  width: 56px; height: 56px;
  display: flex; align-items: center; justify-content: center;
  background: var(--accent-soft);
  border-radius: 999px;
  margin-bottom: 16px;
}
.rs-target-badge span {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  color: var(--accent);
}
.rs-target h3 {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 21px;
  color: var(--ink);
  margin: 0 0 4px;
}
.rs-target-disease {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 14px;
}
.rs-target p:last-child {
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.58;
  color: var(--ink-2);
  margin: 0;
}

/* CTA band ---------------------------------------------------------------- */
.rs-cta { padding:51px 0; background: var(--accent-deep); text-align: center; }
.kicker--on-deep { color: #cfe0cb !important; }
.rs-cta-title {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 38px;
  letter-spacing: -.015em;
  color: #F3EEE4;
  margin: 8px auto 16px;
  max-width: 20ch;
}
.rs-cta-sub {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  color: #D8D2C4;
  max-width: 60ch;
  margin: 0 auto 30px;
}
.rs-cta-actions { display: flex; gap:14px; justify-content: center; flex-wrap: wrap; }

/* responsive -------------------------------------------------------------- */
@media (max-width: 960px) {
  .rs-two-col { grid-template-columns: 1fr; gap:22px; }
  .rs-pipeline { grid-template-columns: repeat(2, 1fr); }
  .rs-outcomes { grid-template-columns: 1fr; }
  .rs-targets { grid-template-columns: 1fr; }
  .rs-hero-title { font-size: 40px; }
  .rs-h2 { font-size: 27px; }
}
@media (max-width: 620px) {
  .rs-pipeline { grid-template-columns: 1fr; }
  .rs-findings { grid-template-columns: 1fr; }
  .rs-panel { padding:19px 20px; }
  .rs-callout { grid-template-columns: 1fr; }
  .rs-hero { padding:42px 0 35px; }
  .rs-band { padding:37px 0; }
}