/**
 * Operitek — capa visual centro de ayuda (MkDocs Material)
 * TASK-OPERITEK-020B — tokens alineados con apps/web y design-system-tpv
 */

:root {
  --operitek-bg: hsl(222 47% 5%);
  --operitek-bg-elevated: hsl(222 40% 8%);
  --operitek-primary: hsl(217 91% 60%);
  --operitek-primary-soft: hsl(217 91% 60% / 0.12);
  --operitek-accent: hsl(187 85% 48%);
  --operitek-accent-soft: hsl(187 85% 48% / 0.1);
  --operitek-caja: #38bdf8;
  --operitek-backoffice: #a78bfa;
  --operitek-glass-bg: hsl(222 40% 10% / 0.55);
  --operitek-glass-border: hsl(217 32% 28% / 0.4);
  --operitek-text: hsl(210 40% 98%);
  --operitek-text-muted: hsl(215 20% 58%);
  --operitek-radius-sm: 8px;
  --operitek-radius-md: 12px;
  --operitek-radius-lg: 16px;
  --operitek-shadow: 0 8px 32px hsl(222 47% 2% / 0.35);
  --operitek-shadow-glow: 0 0 48px hsl(217 91% 60% / 0.1);
}

/* --- Hero --- */

.operitek-hero {
  margin: 0 0 2rem;
  padding: 2rem 1.75rem;
  border-radius: var(--operitek-radius-lg);
  border: 1px solid var(--operitek-glass-border);
  background:
    radial-gradient(
      ellipse 80% 60% at 50% -20%,
      hsl(217 91% 60% / 0.16),
      transparent 70%
    ),
    radial-gradient(
      ellipse 50% 40% at 100% 0%,
      hsl(187 85% 48% / 0.08),
      transparent 50%
    ),
    var(--operitek-glass-bg);
  box-shadow: var(--operitek-shadow);
}

.operitek-hero__eyebrow {
  display: inline-block;
  margin: 0 0 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--operitek-accent);
}

.operitek-hero__title {
  margin: 0 0 0.75rem;
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--operitek-text);
}

.operitek-hero__subtitle {
  margin: 0;
  max-width: 42rem;
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--operitek-text-muted);
}

/* --- Grid & cards --- */

.operitek-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr));
  gap: 1.25rem;
  margin: 0 0 2rem;
}

.operitek-card {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  min-height: 100%;
  padding: 1.25rem 1.35rem;
  border-radius: var(--operitek-radius-md);
  border: 1px solid var(--operitek-glass-border);
  background: var(--operitek-glass-bg);
  box-shadow: var(--operitek-shadow);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.operitek-card:hover {
  border-color: hsl(217 91% 60% / 0.35);
  box-shadow: var(--operitek-shadow), var(--operitek-shadow-glow);
}

.operitek-card--caja {
  border-top: 3px solid var(--operitek-caja);
}

.operitek-card--backoffice {
  border-top: 3px solid var(--operitek-backoffice);
}

.operitek-card--accent {
  border-top: 3px solid var(--operitek-accent);
}

.operitek-card--primary {
  border-top: 3px solid var(--operitek-primary);
}

.operitek-card__title {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.35;
  color: var(--operitek-text);
}

.operitek-card__description {
  margin: 0;
  flex: 1;
  font-size: 0.925rem;
  line-height: 1.55;
  color: var(--operitek-text-muted);
}

.operitek-card__links {
  margin: 0;
  padding: 0;
  list-style: none;
}

.operitek-card__links li {
  margin: 0.35rem 0 0;
}

.operitek-card__links a {
  font-size: 0.925rem;
  font-weight: 500;
  text-decoration: none;
  color: var(--operitek-primary);
}

.operitek-card__links a:hover {
  color: var(--operitek-accent);
  text-decoration: underline;
}

/* --- Badge & banner --- */

.operitek-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--operitek-glass-border);
  background: var(--operitek-primary-soft);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--operitek-text-muted);
}

.operitek-banner {
  margin: 0 0 2rem;
  padding: 1rem 1.25rem;
  border-radius: var(--operitek-radius-md);
  border: 1px dashed var(--operitek-glass-border);
  background: hsl(222 40% 8% / 0.6);
  font-size: 0.9375rem;
  color: var(--operitek-text-muted);
}

.operitek-banner strong {
  color: var(--operitek-text);
}

/* --- CTA row --- */

.operitek-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.operitek-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.15rem;
  border-radius: var(--operitek-radius-sm);
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.2s ease, color 0.2s ease;
}

.operitek-cta--primary {
  background: var(--operitek-primary);
  color: hsl(222 47% 5%);
}

.operitek-cta--primary:hover {
  background: hsl(217 91% 55%);
  color: hsl(222 47% 5%);
}

.operitek-cta--secondary {
  border: 1px solid var(--operitek-glass-border);
  background: transparent;
  color: var(--operitek-text);
}

.operitek-cta--secondary:hover {
  border-color: var(--operitek-accent);
  color: var(--operitek-accent);
}

/* --- Section helper --- */

.operitek-section {
  margin: 0 0 2rem;
}

.operitek-section__title {
  margin: 0 0 0.35rem;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--operitek-text);
}

.operitek-section__lead {
  margin: 0 0 1rem;
  font-size: 0.9375rem;
  line-height: 1.55;
  color: var(--operitek-text-muted);
}

.operitek-link-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.operitek-link-list li {
  margin: 0.4rem 0 0;
}

.operitek-link-list a {
  font-weight: 500;
  color: var(--operitek-primary);
}

/* --- Reading comfort (content pages) --- */

.md-typeset .operitek-hero + h2,
.md-typeset .operitek-grid + h2 {
  margin-top: 2rem;
}

@media (max-width: 640px) {
  .operitek-hero {
    padding: 1.5rem 1.15rem;
  }

  .operitek-cta-row {
    flex-direction: column;
    align-items: stretch;
  }

  .operitek-cta {
    width: 100%;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .operitek-card,
  .operitek-cta {
    transition: none;
  }
}