/* ============================================
   CANVAS — animated data node field
   ============================================ */
.rh-canvas {
  position: fixed; inset: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.25;
}

/* ============================================
   AMBIENT SHAPES
   ============================================ */
.rh-shapes { position: fixed; inset: 0; pointer-events: none; z-index: 0; overflow: hidden; }
.rh-shape  { position: absolute; }
.rh-shape-ring-a { top: 7%; right: 6%; width: 240px; height: 240px; border-radius: 50%; border: 1px solid var(--hairline); opacity: .2; animation: rh-float-a 22s ease-in-out infinite; }
.rh-shape-ring-b { bottom: 12%; left: -5%; width: 320px; height: 320px; border-radius: 50%; border: 1px solid var(--hairline); opacity: .12; animation: rh-float-b 30s ease-in-out infinite; }
.rh-shape-dot-a { top: 20%; left: 12%; width: 8px; height: 8px; border-radius: 50%; background: var(--signal); box-shadow: 0 0 14px rgba(46,196,160,.8); animation: rh-float-c 14s ease-in-out infinite; }
.rh-shape-dot-b { bottom: 24%; right: 8%; width: 6px; height: 6px; border-radius: 50%; background: var(--amber); box-shadow: 0 0 12px rgba(255,154,61,.8); animation: rh-float-c 19s ease-in-out infinite reverse; }
.rh-shape-cross { top: 52%; right: -1%; width: 50px; height: 50px; border-left: 1px solid var(--hairline); border-top: 1px solid var(--hairline); opacity: .35; transform: rotate(45deg); animation: rh-float-a 18s ease-in-out infinite reverse; }
@keyframes rh-float-a { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-24px); } }
@keyframes rh-float-b { 0%,100% { transform: translateY(0) scale(1); } 50% { transform: translateY(22px) scale(1.05); } }
@keyframes rh-float-c { 0%,100% { transform: translateY(0); opacity: .8; } 50% { transform: translateY(-16px); opacity: .3; } }
@media (max-width: 800px) { .rh-shapes { display: none; } }
main { position: relative; z-index: 1; }

/* ============================================
   HERO
   ============================================ */
.rh-hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 100px;
  padding-bottom: 60px;
  position: relative;
  overflow: hidden;
}
.rh-hero-inner { display: flex; flex-direction: column; gap: 40px; }
.rh-hero-text  { max-width: 820px; }
.rh-hero-headline { max-width: 100%; }

/* Shift strip — scrolling market realities */
.rh-shift-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 22px 0 26px;
}
.rh-shift-pill {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  padding: 7px 14px;
  border: 1px solid var(--hairline);
  border-radius: 999px;
  color: var(--muted);
  background: var(--ink-soft);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.5s, transform 0.5s, border-color 0.3s, color 0.3s;
  cursor: default;
}
.rh-shift-pill.is-in  { opacity: 1; transform: translateY(0); }
.rh-shift-pill:hover  { border-color: var(--signal); color: var(--paper); }

.rh-hero-lead { color: var(--paper-dim); font-size: clamp(1.05rem, 1.5vw, 1.2rem); max-width: 68ch; line-height: 1.6; margin: 0 0 16px; }
.rh-hero-body { color: var(--muted); font-size: 0.98rem; max-width: 68ch; line-height: 1.65; margin: 0 0 14px; }
.rh-hero-sub  { color: var(--muted); font-size: 0.92rem; max-width: 68ch; line-height: 1.6; margin: 0 0 38px; font-style: italic; }

/* Stats bar */
.rh-stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--hairline);
  max-width: 820px;
}
@media (max-width: 600px) { .rh-stats-bar { grid-template-columns: repeat(2, 1fr); } }
.rh-stat {
  background: var(--ink-soft);
  padding: 22px 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: background 0.35s;
}
.rh-stat:hover { background: var(--surface); }
.rh-stat-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 500;
  color: var(--signal-soft);
  line-height: 1;
}
.rh-stat-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}

/* ============================================
   SHARED HELPERS
   ============================================ */
.rh-intro-label {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin: 24px 0 16px;
}
.rh-section-head { margin-bottom: 44px; position: relative; }

/* ============================================
   WHY RESEARCH MATTERS — questions grid
   ============================================ */
.rh-why-section { padding: var(--section-pad) 0; background: var(--ink-soft); }
.rh-why-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 64px;
  align-items: start;
}
@media (max-width: 960px) { .rh-why-grid { grid-template-columns: 1fr; gap: 40px; } }

.rh-why-bridge { color: var(--paper-dim); font-size: 1.02rem; line-height: 1.65; margin: 22px 0 14px; }
.rh-questions-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
@media (max-width: 560px) { .rh-questions-grid { grid-template-columns: 1fr; } }
.rh-question-card {
  border: 1px solid var(--hairline);
  border-radius: var(--radius-card);
  background: var(--surface);
  padding: 24px 22px;
  position: relative;
  overflow: hidden;
  transition: border-color 0.4s, transform 0.4s var(--ease-out), background 0.4s;
}
.rh-question-card:hover { border-color: var(--signal); transform: translateY(-4px); background: var(--surface-raised); }
.rh-question-card::before {
  content: '?';
  position: absolute; top: -8px; right: 14px;
  font-family: var(--font-display);
  font-size: 4rem;
  font-weight: 700;
  color: var(--hairline);
  opacity: 0.4;
  transition: color 0.4s, opacity 0.4s;
  pointer-events: none;
}
.rh-question-card:hover::before { color: var(--signal-soft); opacity: 0.2; }
.rh-question-text {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1rem;
  line-height: 1.45;
  color: var(--paper-dim);
  position: relative;
  margin: 0;
}
.rh-question-card:hover .rh-question-text { color: var(--paper); }

/* ============================================
   HUB INTRO — two-col with icon cluster
   ============================================ */
.rh-hub-section { padding: var(--section-pad) 0; }
.rh-hub-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
@media (max-width: 900px) { .rh-hub-grid { grid-template-columns: 1fr; gap: 40px; } }

.rh-benefit-list { list-style: none; display: flex; flex-direction: column; gap: 3px; }
.rh-benefit-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 13px 18px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  font-size: 0.96rem;
  color: var(--paper-dim);
  background: var(--ink-soft);
  transition: background 0.3s, border-color 0.3s, color 0.3s, transform 0.3s var(--ease-out);
}
.rh-benefit-item::before {
  content: '→';
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--signal-soft);
  flex-shrink: 0;
  transition: transform 0.3s;
}
.rh-benefit-item:hover { background: var(--surface); border-color: var(--signal); color: var(--paper); transform: translateX(5px); }
.rh-benefit-item:hover::before { transform: translateX(3px); }

/* Hub card with icon cluster */
.rh-hub-card {
  border: 1px solid var(--hairline);
  border-radius: var(--radius-card);
  background: var(--surface);
  padding: 36px;
  position: relative;
  overflow: hidden;
}
.rh-hub-card-inner { height: 220px; position: relative; margin-bottom: 28px; }
.rh-hub-icon-field { position: absolute; inset: 0; }
/* Icons are injected via JS as positioned spans */
.rh-hub-icon {
  position: absolute;
  font-size: 1.6rem;
  color: var(--signal-soft);
  transition: transform 0.4s var(--ease-out), color 0.4s;
}
.rh-hub-icon:hover { transform: scale(1.4) rotate(-10deg); color: var(--amber); }
.rh-hub-closing {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--paper-dim);
  font-size: 1.05rem;
  line-height: 1.5;
  margin: 0;
  border-top: 1px solid var(--hairline);
  padding-top: 24px;
}

/* ============================================
   RESEARCH CATEGORIES — flip cards with image
   ============================================ */
.rh-categories-section { padding: var(--section-pad) 0; background: var(--ink-soft); }
.rh-cat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
@media (max-width: 1050px) { .rh-cat-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px)  { .rh-cat-grid { grid-template-columns: 1fr; } }

/* first card spans full row */
@media (min-width: 1051px) {
  .rh-cat-card:first-child { grid-column: span 3; }
}
@media (min-width: 621px) and (max-width: 1050px) {
  .rh-cat-card:first-child { grid-column: span 2; }
}

.rh-cat-card {
  border: 1px solid var(--hairline);
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--surface);
  display: flex;
  flex-direction: column;
  transition: border-color 0.4s, transform 0.4s var(--ease-out);
}
.rh-cat-card:hover { border-color: var(--signal); transform: translateY(-5px); }

/* Image */
.rh-cat-image {
  position: relative;
  width: 100%;
  overflow: hidden;
  background: var(--ink-soft);
}
.rh-cat-card:first-child .rh-cat-image { height: 280px; }
.rh-cat-image { height: 200px; }
@media (max-width: 620px) { .rh-cat-card:first-child .rh-cat-image, .rh-cat-image { height: 180px; } }

.rh-cat-image img {
  width: 100%; height: 100%; object-fit: cover;
  filter: grayscale(25%) brightness(0.85);
  transition: transform 0.6s var(--ease-out), filter 0.4s;
  display: block;
}
.rh-cat-card:hover .rh-cat-image img { transform: scale(1.05); filter: grayscale(0%) brightness(0.9); }
.rh-cat-image-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 30%, rgba(11,18,32,0.75) 100%);
}

/* Icon badge on image */
.rh-cat-icon-badge {
  position: absolute; top: 16px; left: 16px;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: rgba(11,18,32,0.8);
  backdrop-filter: blur(6px);
  border: 1px solid var(--hairline);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  transition: border-color 0.4s;
}
.rh-cat-icon-badge.color-signal { color: var(--signal-soft); }
.rh-cat-icon-badge.color-amber  { color: var(--amber-soft);  }
.rh-cat-card:hover .rh-cat-icon-badge { border-color: var(--signal); }

/* Card body */
.rh-cat-body { padding: 26px 24px 24px; flex: 1; display: flex; flex-direction: column; }
.rh-cat-title {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 1.5vw, 1.3rem);
  font-weight: 500;
  margin: 0 0 10px;
}
.rh-cat-desc { color: var(--muted); font-size: 0.9rem; line-height: 1.6; margin: 0 0 20px; }
.rh-cat-topics { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; }
.rh-cat-topic {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 5px 10px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  color: var(--muted);
  transition: border-color 0.3s, color 0.3s, transform 0.3s;
}
.rh-cat-card:hover .rh-cat-topic { border-color: var(--signal-soft); color: var(--paper-dim); }
.rh-cat-topic:hover { transform: translateY(-2px); }

/* ============================================
   FEATURED RESEARCH — magazine layout
   ============================================ */
.rh-featured-section { padding: var(--section-pad) 0; }

/* Hero report — full width landscape */
.rh-feat-hero {
  position: relative;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-card);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 380px;
  margin-bottom: 20px;
  transition: border-color 0.4s;
}
.rh-feat-hero:hover { border-color: var(--signal); }
@media (max-width: 800px) { .rh-feat-hero { grid-template-columns: 1fr; min-height: auto; } }

.rh-feat-hero-img {
  position: relative;
  overflow: hidden;
  background: var(--ink-soft);
}
.rh-feat-hero-img img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(20%) brightness(0.85); transition: transform 0.6s var(--ease-out), filter 0.4s; display: block; }
.rh-feat-hero:hover .rh-feat-hero-img img { transform: scale(1.04); filter: grayscale(0%) brightness(0.88); }
.rh-feat-hero-img-overlay { position: absolute; inset: 0; background: linear-gradient(90deg, transparent 60%, rgba(11,18,32,0.85) 100%); }
@media (max-width: 800px) {
  .rh-feat-hero-img { height: 220px; }
  .rh-feat-hero-img-overlay { background: linear-gradient(180deg, transparent 50%, rgba(11,18,32,0.85) 100%); }
}

.rh-feat-hero-body {
  background: var(--surface);
  padding: 40px 36px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 16px;
}
.rh-feat-report-tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid var(--signal);
  color: var(--signal);
  display: inline-block;
  width: fit-content;
}
.rh-feat-report-tag.tag-amber { border-color: var(--amber); color: var(--amber); }
.rh-feat-report-title {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.2vw, 1.9rem);
  font-weight: 500;
  line-height: 1.2;
  margin: 0;
  color: var(--paper);
}
.rh-feat-report-desc { color: var(--muted); font-size: 0.96rem; line-height: 1.6; margin: 0; max-width: 48ch; }
.rh-feat-report-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--signal-soft);
  margin-top: 8px;
  transition: gap 0.3s, color 0.3s;
}
.rh-feat-hero:hover .rh-feat-report-cta { gap: 14px; color: var(--amber); }
.rh-feat-report-cta-arrow { transition: transform 0.3s var(--ease-out); }
.rh-feat-hero:hover .rh-feat-report-cta-arrow { transform: translateX(4px); }

/* Smaller report cards */
.rh-feat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
@media (max-width: 1000px) { .rh-feat-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px)  { .rh-feat-grid { grid-template-columns: 1fr; } }

.rh-feat-card {
  border: 1px solid var(--hairline);
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--surface);
  display: flex;
  flex-direction: column;
  transition: border-color 0.4s, transform 0.4s var(--ease-out);
}
.rh-feat-card:hover { border-color: var(--signal); transform: translateY(-5px); }
.rh-feat-card-img { width: 100%; height: 140px; overflow: hidden; background: var(--ink-soft); }
.rh-feat-card-img img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(25%) brightness(0.85); transition: transform 0.5s var(--ease-out), filter 0.4s; display: block; }
.rh-feat-card:hover .rh-feat-card-img img { transform: scale(1.06); filter: grayscale(0%) brightness(0.88); }
.rh-feat-card-body { padding: 22px 18px 18px; flex: 1; display: flex; flex-direction: column; gap: 10px; }
.rh-feat-card-tag {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--amber-soft);
}
.rh-feat-card-title { font-family: var(--font-display); font-size: 0.96rem; font-weight: 500; margin: 0; color: var(--paper); line-height: 1.3; flex: 1; }
.rh-feat-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--signal-soft);
  margin-top: auto;
  transition: gap 0.3s, color 0.3s;
}
.rh-feat-card:hover .rh-feat-card-link { gap: 10px; color: var(--amber); }

/* ============================================
   BUILT FOR — persona row
   ============================================ */
.rh-built-section { padding: var(--section-pad) 0; background: var(--ink-soft); }
.rh-persona-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: var(--hairline);
  margin-top: 36px;
}
@media (max-width: 900px) { .rh-persona-row { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 560px) { .rh-persona-row { grid-template-columns: repeat(2, 1fr); } }
.rh-persona-card {
  background: var(--ink-soft);
  padding: 34px 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: background 0.4s;
  position: relative;
  overflow: hidden;
}
.rh-persona-card:hover { background: var(--surface); }
.rh-persona-card::after {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--signal-soft), var(--amber-soft));
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.4s var(--ease-out);
}
.rh-persona-card:hover::after { transform: scaleX(1); }
.rh-persona-abbr {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 300;
  color: var(--hairline);
  transition: color 0.4s;
  line-height: 1;
}
.rh-persona-card:hover .rh-persona-abbr { color: var(--signal-soft); }
.rh-persona-role {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
  color: var(--paper);
  margin: 0;
}
.rh-persona-desc { color: var(--muted); font-size: 0.84rem; line-height: 1.55; margin: 0; }

/* ============================================
   ANTICIPATE — two-col with flywheel
   ============================================ */
.rh-anticipate-section { padding: var(--section-pad) 0; }
.rh-anticipate-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
@media (max-width: 900px) { .rh-anticipate-grid { grid-template-columns: 1fr; } }

.rh-ant-lines { display: flex; flex-direction: column; gap: 3px; margin: 26px 0 22px; }
.rh-ant-line {
  font-family: var(--font-display);
  font-size: 1.1rem;
  padding: 12px 16px;
  color: var(--paper-dim);
  border-left: 2px solid var(--hairline);
  transition: border-color 0.3s, color 0.3s, transform 0.35s var(--ease-out);
}
.rh-ant-line:hover { border-color: var(--signal); color: var(--paper); transform: translateX(5px); }
.rh-ant-anchor {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.05rem;
  color: var(--amber-soft);
  margin: 0 0 12px;
}
.rh-ant-body { color: var(--muted); font-size: 0.96rem; line-height: 1.65; max-width: 52ch; margin: 0; }

/* Flywheel diagram */
.rh-flywheel {
  position: relative;
  width: 360px;
  height: 360px;
  margin: 0 auto;
}
@media (max-width: 500px) { .rh-flywheel { width: 280px; height: 280px; } }
.rh-fw-ring {
  position: absolute; inset: 20px;
  border-radius: 50%;
  border: 1px dashed var(--hairline);
  animation: rh-spin 24s linear infinite;
}
@keyframes rh-spin { to { transform: rotate(360deg); } }
.rh-fw-center {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 110px; height: 110px;
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--signal);
  display: flex; align-items: center; justify-content: center;
  text-align: center;
  font-family: var(--font-display);
  font-size: 0.84rem;
  font-weight: 500;
  color: var(--paper);
  line-height: 1.3;
  box-shadow: 0 0 24px rgba(46,196,160,0.25);
}
.rh-fw-center em { color: var(--signal-soft); font-style: normal; display: block; font-size: 0.76rem; }
.rh-fw-item {
  position: absolute;
  width: 86px; height: 86px;
  border-radius: 50%;
  background: var(--ink-soft);
  border: 1px solid var(--hairline);
  display: flex; align-items: center; justify-content: center;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  line-height: 1.4;
  transition: border-color 0.4s, color 0.4s, background 0.4s, transform 0.4s var(--ease-out);
  cursor: default;
}
.rh-fw-item:hover { border-color: var(--amber); color: var(--paper); background: var(--surface); transform: scale(1.1); }
.rh-fw-1 { top: 10px;  left: 50%; transform: translateX(-50%); }
.rh-fw-2 { top: 50%;  right: 6px; transform: translateY(-50%); }
.rh-fw-3 { bottom: 10px; left: 50%; transform: translateX(-50%); }
.rh-fw-4 { top: 50%;  left: 6px;  transform: translateY(-50%); }

/* ============================================
   WHAT MAKES IT DIFFERENT
   ============================================ */
.rh-different-section { padding: var(--section-pad) 0; background: var(--ink-soft); }
.rh-diff-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--hairline);
  margin-top: 36px;
}
@media (max-width: 900px) { .rh-diff-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 500px)  { .rh-diff-grid { grid-template-columns: 1fr; } }
.rh-diff-card {
  background: var(--ink-soft);
  padding: 38px 28px;
  position: relative;
  overflow: hidden;
  transition: background 0.4s;
}
.rh-diff-card:hover { background: var(--surface); }
.rh-diff-card::after {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--signal-soft), var(--amber-soft));
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.45s var(--ease-out);
}
.rh-diff-card:hover::after { transform: scaleX(1); }
.rh-diff-tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--amber-soft);
  display: inline-block;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: 4px 10px;
  margin-bottom: 18px;
}
.rh-diff-card h3 { font-family: var(--font-display); font-size: 1.15rem; font-weight: 500; margin: 0 0 12px; }
.rh-diff-card p  { color: var(--muted); font-size: 0.9rem; line-height: 1.6; margin: 0; }

/* ============================================
   KNOWLEDGE = ADVANTAGE — full-width typographic
   ============================================ */
.rh-knowledge-section {
  padding: var(--section-pad) 0;
  text-align: center;
  position: relative;
  background: radial-gradient(ellipse 900px 500px at 50% 0%, rgba(46,196,160,0.13), transparent 65%);
}
.rh-knowledge-section .eyebrow { justify-content: center; }
.rh-knowledge-inner { max-width: 780px; margin: 0 auto; }
.rh-knowledge-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  margin: 0 0 24px;
  line-height: 1.15;
}
.rh-knowledge-lead { color: var(--paper-dim); font-size: 1.05rem; line-height: 1.65; max-width: 60ch; margin: 0 auto 20px; }
.rh-knowledge-body { color: var(--muted); font-size: 0.96rem; line-height: 1.7; max-width: 62ch; margin: 0 auto; }
.rh-cta-evidence {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--paper-dim);
  font-size: 1.05rem;
  margin: 0 0 32px;
}

/* ============================================
   REVEAL
   ============================================ */
.rh-reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out); }
.rh-reveal.is-visible { opacity: 1; transform: translateY(0); }