.steering-hero {
  padding: 60px 24px 75px;
  background: linear-gradient(140deg, #fff 20%, #f1f5ff 100%);
  border-bottom: 1px solid #e0e7f1;
}
.steering-hero .eyebrow {
  margin: 45px 0 18px;
}
.back-link {
  font-size: 13px;
}
.steering-hero h1 {
  font-size: clamp(40px, 5.5vw, 68px);
  letter-spacing: -0.055em;
  line-height: 1.1;
  font-weight: 650;
  max-width: 950px;
}
.steering-hero h1 em {
  font-style: normal;
  color: #285bd4;
}
.hero-deck {
  font-size: 20px;
  line-height: 1.75;
  margin: 26px 0;
  max-width: 900px;
  color: #58677c;
}
.steering-hero-note {
  font-size: 15px;
  max-width: 800px;
  border-left: 3px solid #97b5ec;
  padding: 4px 0 4px 20px;
  line-height: 1.8;
  margin: 25px 0;
}
.text-link {
  font-size: 14px;
  font-weight: 600;
}
.category-matrix {
  display: grid;
  grid-template-columns: 115px repeat(3, minmax(0, 1fr));
  gap: 12px;
  max-width: 850px;
  margin: 0 auto;
}
.matrix-corner {
  font-size: 9px;
  letter-spacing: 0.1em;
  color: #6d7d91;
  align-self: center;
  line-height: 2;
}
.column-label {
  font-size: 16px;
  font-weight: 600;
  text-align: center;
  margin-bottom: 10px;
}
.column-label small {
  display: block;
  font-size: 11px;
  font-weight: 400;
  color: #6d7d91;
  margin-top: 5px;
}
.row-labels {
  display: grid;
  grid-template-rows: repeat(3, 1fr);
  align-items: center;
  font-size: 15px;
  font-weight: 600;
}
.row-labels small {
  display: block;
  font-size: 10px;
  color: #6d7d91;
  font-weight: 400;
  margin-top: 5px;
}
.category-cells {
  grid-column: 2/5;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.category-cell {
  padding: 15px;
  border: 1px solid #dce5ed;
  border-radius: 14px;
  background: #f8fafc;
  transition:
    background 0.15s,
    border-color 0.15s,
    transform 0.15s;
}
.category-cell:hover {
  transform: translateY(-2px);
}
.category-cell svg {
  width: 100%;
  height: 88px;
}
.category-cell .glyph-field {
  fill: white;
  stroke: #d8e1ea;
  stroke-width: 1;
}
.category-cell span {
  display: block;
  font-size: 11px;
  margin-top: 8px;
}
.scale-focal {
  color: #217a6d;
}
.scale-regional {
  color: #305ece;
}
.scale-distributed {
  color: #8958ab;
}
.category-cell[aria-pressed="true"] {
  border: 2px solid currentColor;
  background: #eef4ff;
  padding: 14px;
  box-shadow: 0 6px 18px #285bd413;
}
.matrix-note {
  max-width: 850px;
  margin: 20px auto 50px;
}
.category-panel {
  border-top: 1px solid #e0e7ef;
  padding-top: 32px;
}
.category-panel > h2 {
  font-size: 28px;
}
.steering-samples {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 25px;
  margin: 24px 0;
}
.steering-sample {
  border: 1px solid #dce4ed;
  border-radius: 15px;
  overflow: hidden;
}
.steering-sample > a {
  display: block;
  background: #f5f7fa;
  padding: 24px;
}
.steering-sample img {
  width: 100%;
  height: 230px;
  object-fit: contain;
}
.steering-sample > div {
  padding: 24px;
}
.sample-category {
  font-size: 10px;
  letter-spacing: 0.08em;
  color: #426497;
  text-transform: uppercase;
  font-weight: 650;
}
.steering-sample h3 {
  font-size: 22px;
  margin-top: 10px;
}
.steering-sample .sample-question {
  font-size: 14px;
  line-height: 1.75;
}
.steering-sample details {
  font-size: 14px;
  margin: 15px 0;
}
.steering-sample > div > a {
  font-size: 14px;
  font-weight: 550;
}
.steering-sample .small-note {
  font-size: 11px;
  margin: 18px 0 0;
}
.masking-demo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: start;
}
.probe-caption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  font-size: 14px;
}
.probe-caption button {
  font-size: 12px;
  border: 1px solid #c7d4e5;
  background: white;
  border-radius: 6px;
  padding: 5px 12px;
}
.probe-image {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid #bdcce0;
  background: white;
}
.probe-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}
#probe-grid {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: repeat(8, 1fr);
}
#probe-grid button {
  border: 1px solid #285bd422;
  background: transparent;
  padding: 0;
  cursor: crosshair;
}
#probe-grid button:hover {
  background: #285bd420;
}
#probe-mask {
  position: absolute;
  background: #e9edf3;
  border: 2px solid #285bd4;
  pointer-events: none;
}
#probe-status {
  margin-top: 10px;
  color: #285bd4;
}
.measurement-steps {
  list-style: none;
}
.measurement-steps li {
  display: flex;
  gap: 18px;
  border-bottom: 1px solid #dce4ed;
  padding: 10px 0 22px;
  margin-bottom: 15px;
}
.measurement-steps li > span {
  color: #285bd4;
  font-size: 12px;
  font-weight: 650;
  margin-top: 4px;
}
.measurement-steps h3 {
  font-size: 19px;
  margin-bottom: 8px;
}
.measurement-steps p {
  font-size: 14px;
  margin: 0;
}
.rule-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 35px;
}
.rule-grid h3 {
  font-size: 18px;
}
.rule-grid p {
  font-size: 14px;
}
.steer-sequence {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 20px;
  align-items: center;
  margin: 30px 0;
}
.steer-sequence > div {
  background: #edf3ff;
  border-top: 3px solid #6385c6;
  border-radius: 10px;
  padding: 25px;
  height: 100%;
}
.steer-sequence span {
  font-size: 10px;
  letter-spacing: 0.1em;
  color: #5572a2;
}
.steer-sequence h3 {
  font-size: 20px;
  margin-top: 15px;
}
.steer-sequence p {
  font-size: 14px;
  margin: 0;
}
.steer-sequence b {
  color: #a3b4cc;
  font-weight: 400;
}
.steering-callout {
  border-left: 3px solid #cda878;
  background: #fff7ed;
  padding: 24px;
  margin: 25px 0;
}
.steering-callout p {
  font-size: 15px;
  margin: 10px 0 0;
}
@media (max-width: 700px) {
  .steering-hero {
    padding: 30px 20px 50px;
  }
  .steering-hero h1 {
    font-size: 40px;
  }
  .hero-deck {
    font-size: 17px;
  }
  .category-matrix {
    grid-template-columns: 58px repeat(3, minmax(0, 1fr));
    gap: 6px;
  }
  .category-cells {
    gap: 6px;
  }
  .column-label {
    font-size: 11px;
  }
  .column-label small {
    font-size: 8px;
  }
  .row-labels {
    font-size: 10px;
  }
  .row-labels small {
    font-size: 8px;
  }
  .matrix-corner {
    font-size: 7px;
  }
  .category-cell {
    padding: 8px 3px;
    border-radius: 8px;
  }
  .category-cell[aria-pressed="true"] {
    padding: 7px 2px;
  }
  .category-cell svg {
    height: 55px;
  }
  .category-cell span {
    font-size: 8px;
    line-height: 1.5;
    overflow-wrap: anywhere;
  }
  .steering-samples,
  .masking-demo,
  .rule-grid,
  .steer-sequence {
    grid-template-columns: 1fr;
  }
  .steering-sample img {
    height: 210px;
  }
  .steering-sample > div {
    padding: 20px;
  }
  .masking-demo {
    gap: 30px;
  }
  .steer-sequence b {
    text-align: center;
    transform: rotate(90deg);
  }
  .steering-page .paper-section h2 {
    font-size: 29px;
  }
}
/* Research supplement: compact introduction, labeled evidence, working examples. */
.steering-page{background:#f4f1e9;color:#263e3b}
.steering-page .steering-hero{padding:36px 24px 40px;background:#e1e8df;border-bottom:1px solid #b8cabc}
.steering-page .steering-hero .eyebrow{margin:26px 0 12px;color:#426452;font-size:12px}
.steering-page .steering-hero h1{font-family:Georgia,serif;font-size:clamp(32px,4vw,46px);font-weight:400;letter-spacing:-.035em;max-width:840px;color:#244b40;line-height:1.15}
.steering-page .hero-deck{font-size:18px;line-height:1.75;max-width:820px;margin:22px 0;color:#405c50}
.steering-page .steering-hero-note{border-color:#648c73;font-size:16px;max-width:820px;color:#3a5549;padding-left:18px}
.steering-page .paper-section{padding:46px 24px;background:#f4f1e9;border-bottom:1px solid #c9d3c9}
.steering-page .section-intro{text-align:left;margin:0 0 28px;max-width:850px}
.steering-page .section-intro h2{font-family:Georgia,serif;font-size:34px;font-weight:400;letter-spacing:-.025em;color:#244b40;line-height:1.2}
.steering-page .section-intro>p{font-size:17px;line-height:1.75;color:#415e52}
.steering-page #masking{background:#dfe8e5}
.steering-page .category-matrix{gap:6px}
.steering-page .text-link,.steering-page .back-link{color:#2d6354}
@media(max-width:600px){.steering-page .steering-hero{padding:26px 20px}.steering-page .paper-section{padding:34px 20px}.steering-page .hero-deck{font-size:16px}.steering-page .section-intro h2{font-size:29px}}
.steering-page .steering-hero{padding:28px 24px 32px}
.steering-page .steering-hero h1{font-size:38px;margin-top:20px}
.steering-page .hero-deck{font-size:17px;max-width:1000px;margin:18px 0}
.steering-page .steering-hero-note{margin:18px 0;font-size:15px;max-width:1000px}
.steering-page .category-matrix button{border-radius:2px;box-shadow:none}
@media(max-width:600px){.steering-page .steering-hero h1{font-size:30px}.steering-page .hero-deck{font-size:16px}}