/* KVoice Trust Layer — página técnica visual */
.trust-page { background: var(--kv-bg); }

.trust-hero {
  padding: 3rem 0 2.5rem;
  background: linear-gradient(180deg, var(--kv-bg-subtle) 0%, var(--kv-bg) 100%);
  border-bottom: 1px solid var(--kv-divider);
}

.trust-hero h1 {
  font-size: clamp(1.85rem, 4vw, 2.5rem);
  color: var(--kv-primary);
  margin: 0 0 0.75rem;
  line-height: 1.15;
}

.trust-hero .lead {
  font-size: 1.15rem;
  color: var(--kv-text-muted);
  max-width: 720px;
  margin: 0 0 1.5rem;
}

.trust-intro {
  font-size: 1.05rem;
  color: var(--kv-text);
  max-width: 800px;
  line-height: 1.7;
}

.trust-pillars {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.75rem;
  margin: 2rem 0;
}

.trust-pillar {
  background: var(--kv-primary-soft);
  border: 1px solid var(--kv-divider);
  border-radius: var(--radius);
  padding: 0.85rem;
  text-align: center;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--kv-primary);
}

.trust-section {
  padding: 3rem 0;
  border-bottom: 1px solid var(--kv-divider);
}

.trust-section:last-child { border-bottom: none; }

.trust-section h2 {
  font-size: 1.45rem;
  color: var(--kv-primary);
  margin: 0 0 1rem;
}

.trust-section h3 {
  font-size: 1.05rem;
  color: var(--kv-primary);
  margin: 1.5rem 0 0.75rem;
}

.trust-section p, .trust-section li {
  color: var(--kv-text);
  line-height: 1.75;
  max-width: 800px;
}

.trust-section ul {
  padding-left: 1.25rem;
  margin: 0.75rem 0;
}

.trust-section li { margin-bottom: 0.35rem; }

.trust-section li::marker { color: var(--kv-accent); }

/* Diagrama arquitectura triángulo */
.arch-triad {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin: 2rem 0;
  max-width: 900px;
}

.arch-node {
  background: var(--kv-bg);
  border: 2px solid var(--kv-primary);
  border-radius: var(--radius);
  padding: 1.25rem;
  text-align: center;
}

.arch-node.accent { border-color: var(--kv-accent); background: var(--kv-accent-soft); }
.arch-node strong { display: block; color: var(--kv-primary); font-size: 1rem; margin-bottom: 0.35rem; }
.arch-node span { font-size: 0.85rem; color: var(--kv-text-muted); }

/* Pipeline flujo del voto */
.flow-pipeline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin: 2rem 0;
  padding: 1.5rem;
  background: var(--kv-bg-subtle);
  border-radius: var(--radius);
  border: 1px solid var(--kv-divider);
}

.flow-step {
  background: var(--kv-bg);
  border: 2px solid var(--kv-primary);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  text-align: center;
  min-width: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--kv-primary);
}

.flow-step.highlight {
  border-color: var(--kv-accent);
  background: var(--kv-accent-soft);
}

.flow-arrow {
  color: var(--kv-accent);
  font-size: 1.25rem;
  font-weight: 700;
}

/* Merkle tree SVG container */
.merkle-wrap {
  margin: 2rem 0;
  padding: 1.5rem;
  background: var(--kv-bg-subtle);
  border-radius: var(--radius);
  border: 1px solid var(--kv-divider);
  overflow-x: auto;
}

.merkle-wrap svg { display: block; margin: 0 auto; max-width: 100%; }

.merkle-caption {
  text-align: center;
  font-size: 0.85rem;
  color: var(--kv-text-muted);
  margin-top: 1rem;
}

/* On-chain vs off-chain */
.split-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 1.5rem 0;
  max-width: 900px;
}

.split-card {
  border-radius: var(--radius);
  padding: 1.25rem;
  border: 2px solid var(--kv-divider);
}

.split-card.yes { border-color: var(--kv-success); background: rgba(46, 184, 114, 0.06); }
.split-card.no { border-color: var(--kv-danger); background: rgba(217, 69, 60, 0.05); }

.split-card h4 {
  margin: 0 0 0.75rem;
  font-size: 0.95rem;
  color: var(--kv-primary);
}

.split-card ul { margin: 0; padding-left: 1.1rem; font-size: 0.88rem; }

/* Capas de seguridad */
.layers-stack {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  max-width: 640px;
  margin: 1.5rem 0;
}

.layer-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--kv-bg-subtle);
  border-left: 4px solid var(--kv-accent);
  border-radius: 0 8px 8px 0;
  padding: 0.85rem 1rem;
}

.layer-num {
  width: 32px;
  height: 32px;
  background: var(--kv-primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.layer-row strong { color: var(--kv-primary); font-size: 0.95rem; }
.layer-row span { font-size: 0.85rem; color: var(--kv-text-muted); display: block; margin-top: 0.15rem; }

/* Shamir custodios */
.shamir-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  margin: 1.5rem 0;
}

.shamir-key {
  width: 64px;
  height: 64px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  text-align: center;
  line-height: 1.2;
}

.shamir-key.active { background: var(--kv-accent); color: #fff; border: 2px solid var(--kv-accent); }
.shamir-key.inactive { background: var(--kv-bg); color: var(--kv-text-muted); border: 2px dashed var(--kv-divider); }

.shamir-note {
  text-align: center;
  font-size: 0.9rem;
  color: var(--kv-primary);
  font-weight: 600;
  margin-top: 0.5rem;
}

/* FAQ verificación */
.verify-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}

.verify-card {
  background: var(--kv-bg-subtle);
  border: 1px solid var(--kv-divider);
  border-radius: var(--radius);
  padding: 1.1rem;
}

.verify-card strong {
  display: block;
  color: var(--kv-primary);
  font-size: 0.92rem;
  margin-bottom: 0.4rem;
}

.verify-card p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--kv-text-muted);
  max-width: none;
}

/* Identidad vs voto */
.dual-concept {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 1.5rem 0;
  max-width: 700px;
}

.concept-box {
  padding: 1.25rem;
  border-radius: var(--radius);
  text-align: center;
}

.concept-box.id { background: var(--kv-primary-soft); border: 2px solid var(--kv-primary); }
.concept-box.vote { background: var(--kv-accent-soft); border: 2px solid var(--kv-accent); }
.concept-box strong { display: block; color: var(--kv-primary); margin-bottom: 0.35rem; }

.trust-closing {
  background: var(--kv-primary);
  color: #fff;
  padding: 2.5rem;
  border-radius: var(--radius);
  text-align: center;
  margin-top: 2rem;
}

.trust-closing p { color: rgba(255,255,255,0.9); max-width: 640px; margin: 0 auto 1rem; }
.trust-closing .tagline { font-size: 1.2rem; font-weight: 700; color: var(--kv-accent); margin-top: 1rem; }

@media (max-width: 768px) {
  .arch-triad, .split-cards, .dual-concept { grid-template-columns: 1fr; }
  .flow-pipeline { flex-direction: column; }
  .flow-arrow { transform: rotate(90deg); }
}