/* ===== Blueprint technical schematic structure ===== */
.blueprint-grid-bg {
  background-color: var(--color-bg);
  background-image:
    linear-gradient(rgba(95,180,229,0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(95,180,229,0.12) 1px, transparent 1px);
  background-size: 28px 28px;
}
.blueprint-hero { display: flex; flex-wrap: wrap; gap: 2.6rem; align-items: center; }
.blueprint-hero__copy { flex: 1 1 420px; min-width: 0; }
.blueprint-hero__copy h1 { font-family: var(--ff-head); letter-spacing: -0.01em; }
.blueprint-hero__widget { flex: 1 1 380px; min-width: 0; }
.blueprint-hero__actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 1.5rem; }
.blueprint-tag {
  display: inline-flex; align-items: center; gap: 0.5em; font-family: var(--ff-head); font-size: 0.72rem;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-primary); border: 1px dashed var(--color-primary);
  padding: 0.4em 0.9em; border-radius: 2px; margin-bottom: 0.9em;
}

/* ===== Gauge (needle) widget ===== */
.gauge-widget { background: var(--color-surface); border: 1px solid var(--footer-border); border-radius: var(--radius); padding: 1.8rem; }
.gauge-widget__readout { text-align: center; margin-bottom: 0.6rem; }
.gauge-widget__score { display: block; font-family: var(--ff-head); font-size: 2.2rem; color: var(--color-primary); }
.gauge-widget__category { display: block; font-size: 0.76rem; color: var(--color-secondary); text-transform: uppercase; letter-spacing: 0.06em; margin-top: 0.3rem; }
.gauge-widget__art svg { width: 100%; height: auto; }
.gauge-arc-bg { fill: none; stroke: var(--color-bg-alt); stroke-width: 10; }
.gauge-arc-tick { stroke: var(--color-muted); stroke-width: 2; }
.gauge-needle-line { stroke: var(--color-secondary); stroke-width: 3; stroke-linecap: round; }
.gauge-needle-pivot { fill: var(--color-accent); }
.gauge-widget__field-top { display: flex; justify-content: space-between; font-size: 0.86rem; font-weight: 600; margin: 1.1rem 0 0.4rem; font-family: var(--ff-head); }
.gauge-widget__field-top span:last-child { color: var(--color-primary); }

/* ===== Schematic diagram section ===== */
.schema-diagram {
  background: var(--color-surface); border: 1px dashed var(--color-primary); border-radius: var(--radius);
  padding: 2rem; margin-bottom: 2.2rem;
}
.schema-diagram svg { width: 100%; height: auto; max-width: 640px; display: block; margin: 0 auto; }
.schema-label { font-family: var(--ff-head); font-size: 0.68rem; letter-spacing: 0.04em; fill: var(--color-primary); }
.schema-leader { stroke: var(--color-primary); stroke-width: 1; stroke-dasharray: 3 3; fill: none; opacity: 0.7; }
.schema-part { fill: var(--color-bg-alt); stroke: var(--color-muted); stroke-width: 1.5; }
.schema-knurl { stroke: var(--color-muted); stroke-width: 2; }

.spec-row { display: flex; flex-wrap: wrap; gap: 1.6rem; }
.spec-card {
  flex: 1 1 220px; background: var(--color-surface); border: 1px dashed var(--footer-border); border-radius: 2px;
  padding: 1.4rem 1.5rem; position: relative;
}
.spec-card__fig { font-family: var(--ff-head); font-size: 0.7rem; color: var(--color-secondary); letter-spacing: 0.08em; margin-bottom: 0.6em; display: block; }
.spec-card h3 { font-size: 1.02rem; }
.spec-card p { margin: 0; color: var(--color-muted); font-size: 0.88rem; }