/* =========================================================
   Evaluación de Puestos (Anagrama) — Design System
   Capa 2: bloques reutilizables (BEM)
   Depende de: tokens.css
   ========================================================= */

/* =========================================================
   1. Site Header
   ========================================================= */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--color-header-bg);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border-soft);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-4) 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.brand__icon {
  height: 1.75rem;
  width: 1.75rem;
  flex-shrink: 0;
}

.brand__name {
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-heading);
}

/* =========================================================
   2. Buttons
   ========================================================= */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  border: none;
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease, box-shadow 0.15s ease;
}

.btn:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-offset);
}

.btn--primary {
  background: var(--color-accent);
  color: var(--color-on-accent);
  padding: 0.875rem 2rem;
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.02em;
  box-shadow: 0 2px 8px var(--color-accent-alpha-25);
}

.btn--primary:hover {
  background: var(--color-accent-hover);
  box-shadow: 0 4px 16px var(--color-accent-alpha-35);
}

.btn--primary:active {
  background: var(--color-accent-hover);
  transform: translateY(1px);
  box-shadow: 0 1px 4px var(--color-accent-alpha-25);
}

.btn--primary:disabled,
.btn--primary.is-disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.link-ghost {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color 0.15s ease;
}

.link-ghost:hover {
  color: var(--color-heading);
}

.link-ghost:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-offset);
}

/* =========================================================
   3. Site Footer
   ========================================================= */

.site-footer {
  border-top: 1px solid var(--color-border-soft);
  background: var(--color-bg);
  padding: var(--space-6) 0;
}

.site-footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.site-footer__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.site-footer__brand-icon {
  height: 1.5rem;
  width: 1.5rem;
  flex-shrink: 0;
}

.site-footer__brand-name {
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-heading);
}

.site-footer__brand-domain {
  margin-left: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.site-footer__meta {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

@media (min-width: 640px) {
  .site-footer__inner {
    flex-direction: row;
  }
}