h1,
h2,
h3 {
  margin: 0;
  letter-spacing: 0;
  line-height: 1.15;
}

h1 {
  font-size: clamp(2.2rem, 6vw, 4.8rem);
}

h2 { font-size: clamp(1.4rem, 2.4vw, 2.1rem); }
h3 { font-size: 1.04rem; }

p {
  line-height: 1.65;
}

.hero p:not(.eyebrow) {
  max-width: 760px;
  color: var(--muted);
  font-size: 1.05rem;
}

.hero-panel,
.metric-strip,
.info-card,
.plot-card,
.control-card,
.table-card,
.relation-card,
.workbook-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.hero-panel {
  display: grid;
  gap: 12px;
  padding: 18px;
}

.hero-panel span,
.metric-strip span {
  display: grid;
  gap: 2px;
  color: var(--muted);
  font-size: 0.9rem;
}

.hero-panel strong,
.metric-strip strong {
  color: var(--ink);
  font-size: 1.35rem;
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 14px;
  margin: 34px 0 14px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
}

.dist-card,
.tool-card {
  display: grid;
  gap: 10px;
  min-height: 180px;
  padding: 17px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  text-decoration: none;
  box-shadow: var(--shadow);
}

.dist-card:hover,
.tool-card:hover {
  border-color: var(--accent);
}

.dist-card small,
.tool-card small {
  color: var(--muted);
  font-weight: 750;
}

.dist-card p,
.tool-card p {
  margin: 0;
  color: var(--muted);
}

.tool-card__viz {
  display: block;
  width: 100%;
  height: 118px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-strong);
}

.badge-row {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0.18rem 0.5rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-size: 0.77rem;
  font-weight: 800;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(460px, 620px) minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  margin-top: 26px;
}

.side-panel {
  position: sticky;
  top: 84px;
  display: grid;
  gap: 14px;
}

.info-card,
.control-card,
.table-card {
  padding: 17px;
}

.formula-grid,
.metric-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.side-panel .formula-grid {
  grid-template-columns: 1fr;
}

.formula-grid div,
.metric-strip span {
  min-width: 0;
  min-height: 74px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-strong);
}

.formula-grid strong {
  display: block;
  max-width: 100%;
  padding-bottom: 2px;
  line-height: 1.35;
  font-size: 0.92rem;
}

.formula-grid small {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 680;
}

.formula-grid mjx-container {
  max-width: 100%;
  overflow-x: visible;
  overflow-y: hidden;
}

.formula-grid span {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.controls {
  display: grid;
  gap: 12px;
}

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 0.83rem;
  font-weight: 760;
}