:root {
  --text: #111111;
  --muted: #666666;
  --line: #e8e8e8;
  --soft: #f6f6f4;
  --white: #ffffff;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--white);
  color: var(--text);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  line-height: 1.6;
}
.page {
  max-width: 1120px;
  margin: 0 auto;
  padding: 48px 32px 72px;
}
.hero {
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 28px;
}
h1, h2, h3 {
  margin: 0 0 12px;
  letter-spacing: -0.02em;
  font-weight: 600;
}
h1 { font-size: 40px; line-height: 1.08; }
h2 { font-size: 22px; margin-top: 34px; }
h3 { font-size: 16px; }
p, li, span { font-size: 15px; }
.lede {
  max-width: 860px;
  font-size: 18px;
  color: var(--muted);
  margin: 0 0 18px;
}
.meta {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 16px;
}
.meta span {
  border: 1px solid var(--line);
  padding: 6px 10px;
  background: var(--soft);
}
.arch-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
  margin-top: 16px;
}
.arch-step, .panel, .direction-card, .baseline-box {
  border: 1px solid var(--line);
  background: var(--white);
}
.arch-step {
  padding: 14px;
  min-height: 132px;
}
.step-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 10px;
}
.step-detail {
  font-size: 14px;
}
.grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 18px;
  margin-top: 16px;
}
.panel {
  padding: 18px;
}
.panel ul {
  margin: 0;
  padding-left: 18px;
}
.direction-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 16px;
}
.variant-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 16px;
}
.direction-card {
  padding: 18px;
}
.direction-card ul {
  margin: 12px 0;
  padding-left: 18px;
}
.minor {
  color: var(--muted);
  font-size: 13px;
}
.variant-card {
  border: 1px solid var(--line);
  background: var(--white);
  padding: 18px;
}
.variant-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: baseline;
}
.variant-head span {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.variant-description {
  margin: 14px 0;
  padding-left: 14px;
  border-left: 2px solid var(--line);
  color: var(--text);
}
.variant-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}
.variant-metrics span {
  border: 1px solid var(--line);
  background: var(--soft);
  padding: 6px 10px;
  font-size: 12px;
}
.variant-cues p {
  margin: 8px 0 6px;
}
.variant-cues ul {
  margin: 0 0 12px;
  padding-left: 18px;
}
table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 14px;
  font-size: 14px;
}
th, td {
  border-top: 1px solid var(--line);
  text-align: left;
  padding: 10px 8px;
  vertical-align: top;
}
th {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}
@media (max-width: 1000px) {
  .arch-grid, .direction-grid, .variant-grid, .grid {
    grid-template-columns: 1fr;
  }
}
