/* ==========================================================================
   Security page
   ========================================================================== */

.security-hero {
  padding: clamp(4rem, 8vw, 7rem) 0 clamp(2rem, 4vw, 4rem);
  text-align: center;
}
.security-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 300;
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin: 0.5rem auto 1.5rem;
  max-width: 22ch;
}

/* Threat summary banner */
.threat-banner {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.25rem;
  align-items: center;
  padding: 1.25rem 1.5rem;
  background: linear-gradient(135deg, rgba(94, 234, 212, 0.05), rgba(34, 197, 94, 0.05));
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-lg);
  margin: 2rem auto 0;
  max-width: 900px;
}
.threat-banner-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(94, 234, 212, 0.12);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-teal);
  flex-shrink: 0;
}
.threat-banner p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--text-secondary);
}
.threat-banner strong { color: var(--text-primary); }

/* Layers grid — each layer is a card */
.layers-section {
  padding: clamp(3rem, 6vw, 5rem) 0;
}
.layers-intro {
  max-width: 60ch;
  margin: 0 auto 3rem;
  text-align: center;
}
.layers-intro h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 400;
  letter-spacing: -0.025em;
  margin: 0.5rem 0 1rem;
}

.layers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1rem;
  max-width: 1200px;
  margin: 0 auto;
}

.layer-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
  transition: border-color var(--d-mid) var(--ease-out), transform var(--d-mid) var(--ease-out);
  min-width: 0;
}
.layer-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-2px);
}

.layer-card-head {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 0.85rem;
}
.layer-card-num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--accent-teal);
  padding: 0.3rem 0.6rem;
  border-radius: var(--radius-full);
  background: rgba(94, 234, 212, 0.08);
  border: 1px solid rgba(94, 234, 212, 0.2);
  flex-shrink: 0;
}
.layer-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 500;
  letter-spacing: -0.015em;
  margin: 0;
  color: var(--text-primary);
  flex: 1;
}

.layer-card-body {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.6;
  margin: 0 0 1rem;
}
.layer-card-body code {
  font-size: 0.85em;
}

.layer-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--border);
}
.layer-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-full);
  background: rgba(148, 163, 184, 0.06);
  border: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}
.layer-tag.is-default::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent-green-bright);
  box-shadow: 0 0 4px var(--accent-green-bright);
}

/* Disclosure section */
.disclosure-section {
  padding: clamp(3rem, 6vw, 5rem) 0;
  border-top: 1px solid var(--border);
}
.disclosure-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  max-width: 1100px;
  margin: 0 auto;
}
@media (max-width: 880px) {
  .disclosure-grid { grid-template-columns: 1fr; }
}

.disclosure-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
}
.disclosure-card h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
}
.disclosure-card p {
  font-size: 0.95rem;
  line-height: 1.6;
  margin: 0 0 1rem;
}
.disclosure-card ul {
  padding-left: 1.4rem;
  margin: 0.5rem 0 1rem;
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--text-secondary);
}
.disclosure-card li { margin-bottom: 0.4rem; }
.disclosure-card.report {
  border-color: var(--border-accent);
  background: linear-gradient(135deg, rgba(94, 234, 212, 0.04), rgba(34, 197, 94, 0.03));
}