/* Sentinel — Asset Integrity One-Pager. Extends assets/css/style.css tokens. */

/* ---------- Page hero ---------- */
.ai-hero {
  position: relative;
  overflow: hidden;
  padding-top: 9.5rem;
  padding-bottom: 4rem;
  background:
    radial-gradient(65% 85% at 20% 35%, oklch(0.42 0.19 258 / 45%), transparent 64%),
    linear-gradient(180deg, oklch(0.13 0.04 262), oklch(0.11 0.032 262));
}
.ai-hero h1 {
  margin: 1.25rem 0 0;
  max-width: 52rem;
  font-family: var(--font-display);
  font-size: 2rem;
  line-height: 1.25;
  font-weight: 300;
}
@media (min-width: 640px) { .ai-hero h1 { font-size: 2.75rem; } }
.ai-hero .lead-note {
  margin-top: 1.5rem;
  max-width: 46rem;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--muted-foreground);
  font-style: italic;
}

/* ---------- Stat strip (count-up) ---------- */
.stat-strip {
  margin-top: 3.5rem;
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: 1px;
  background: var(--hairline);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  overflow: hidden;
}
@media (min-width: 768px) { .stat-strip { grid-template-columns: repeat(3, 1fr); } }
.stat-cell { background: var(--panel); padding: 1.75rem 1.5rem; }
.stat-cell .stat-value {
  font-family: var(--font-mono);
  font-size: 2rem;
  color: var(--gold);
  letter-spacing: 0.02em;
}
.stat-cell .stat-desc {
  margin-top: 0.75rem;
  font-size: 0.8125rem;
  line-height: 1.55;
  color: var(--muted-foreground);
}

/* ---------- Calculator ---------- */
.calc-panel {
  margin-top: 2rem;
  border: 1px solid var(--hairline);
  background: var(--panel);
  border-radius: var(--radius);
  padding: 2rem;
  display: grid;
  gap: 2rem;
}
@media (min-width: 768px) { .calc-panel { grid-template-columns: 1fr 1fr; align-items: center; } }

.calc-field label { display: block; }
.calc-field input[type="range"] {
  margin-top: 1rem;
  width: 100%;
  accent-color: var(--gold);
}
.calc-value-row {
  margin-top: 0.75rem;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-family: var(--font-mono);
}
.calc-value-row .calc-amount { font-size: 1.25rem; color: var(--gold); }
.calc-value-row .calc-hint { font-size: 0.6875rem; color: var(--muted-foreground); }

.calc-output {
  border-top: 1px solid var(--hairline);
  padding-top: 1.5rem;
}
@media (min-width: 768px) { .calc-output { border-top: 0; border-left: 1px solid var(--hairline); padding-top: 0; padding-left: 2rem; } }
.calc-output p.label-caps { margin: 0; }
.calc-output .calc-result {
  margin-top: 0.75rem;
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 300;
  color: var(--gold);
  line-height: 1.1;
}
.calc-output .calc-result-note {
  margin-top: 0.75rem;
  font-size: 0.8125rem;
  line-height: 1.55;
  color: var(--muted-foreground);
}

/* ---------- Cascade demo ---------- */
.cascade-demo {
  margin-top: 2rem;
  border: 1px solid var(--hairline);
  background: var(--panel);
  border-radius: var(--radius);
  padding: 2rem;
}
.cascade-demo .cascade-hint {
  font-size: 0.8125rem;
  color: var(--muted-foreground);
  margin: 0.75rem 0 0;
}
.cascade-row {
  margin-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.cascade-node {
  flex: 1 1 0;
  min-width: 5.5rem;
  text-align: center;
  cursor: pointer;
  border: none;
  background: transparent;
  padding: 0;
  font-family: var(--font-sub);
  color: inherit;
}
.cascade-node .dot {
  margin: 0 auto;
  width: 34px;
  height: 34px;
  border-radius: 999px;
  border: 1px solid var(--gold);
  opacity: 0.35;
  transition: opacity 0.25s ease, background-color 0.25s ease, box-shadow 0.25s ease;
}
.cascade-node .dot-label {
  display: block;
  margin-top: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted-foreground);
}
.cascade-node.active .dot {
  opacity: 1;
  background: var(--gold);
  box-shadow: 0 0 0 6px oklch(0.72 0.17 250 / 16%);
}
.cascade-node.active .dot-label { color: var(--foreground); }
.cascade-connector {
  flex: 0 0 auto;
  width: 2rem;
  height: 1px;
  background: var(--hairline);
  position: relative;
  top: -1.1rem;
}
@media (max-width: 640px) { .cascade-connector { display: none; } }
.cascade-readout {
  margin-top: 2rem;
  border-top: 1px solid var(--hairline);
  padding-top: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.65;
  color: var(--muted-foreground);
  min-height: 3.5em;
}
.cascade-readout strong { color: var(--gold); }

/* ---------- Phase timeline ---------- */
.phase-grid { display: grid; gap: 1px; background: var(--hairline); }
@media (min-width: 768px) { .phase-grid { grid-template-columns: 1fr 1fr; } }
.phase-card { background: var(--panel); padding: 2rem; }
.phase-card .phase-tag {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold-dim);
}
.phase-card h3 { margin: 1rem 0 0; font-family: var(--font-display); font-size: 1.5rem; font-weight: 300; }
.phase-card p { margin-top: 1rem; font-size: 0.9375rem; line-height: 1.6; color: var(--muted-foreground); }

/* ---------- Sector cards ---------- */
.sector-grid { margin-top: 3rem; display: grid; gap: 1px; background: var(--hairline); }
@media (min-width: 640px) { .sector-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .sector-grid { grid-template-columns: repeat(3, 1fr); } }
.sector-card {
  background: var(--panel);
  padding: 1.5rem;
  cursor: pointer;
  border: none;
  text-align: left;
  color: inherit;
  font-family: inherit;
  transition: background-color 0.2s ease;
}
.sector-card:hover, .sector-card.open { background: oklch(0.19 0.045 262); }
.sector-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 400;
}
.sector-card .sector-detail {
  margin-top: 0.75rem;
  font-size: 0.8125rem;
  line-height: 1.55;
  color: var(--muted-foreground);
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease;
}
.sector-card.open .sector-detail { max-height: 8rem; }

/* ---------- Deployment tool panel ---------- */
.tool-panel {
  margin-top: 2rem;
  border: 1px solid var(--hairline);
  background: var(--panel);
  padding: 1.5rem 2rem;
  border-radius: var(--radius);
}

/* ---------- Pilot banner ---------- */
.pilot-banner {
  margin-top: 3rem;
  border: 1px solid var(--gold);
  background: oklch(0.72 0.17 250 / 8%);
  padding: 2rem;
  border-radius: var(--radius);
}
.pilot-banner .pilot-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
}
.pilot-banner .pilot-tag::before {
  content: "";
  width: 6px; height: 6px; border-radius: 999px;
  background: var(--gold);
  animation: pulse 1.6s ease-in-out infinite;
}
.pilot-banner p.pilot-body { margin-top: 1rem; font-size: 0.9375rem; line-height: 1.6; color: var(--muted-foreground); max-width: 44rem; }