/* ============================================
   SIMPLES-NACIONAL.CSS — Página Simples Nacional
   Cobertura: sn-about, sn-tier, sn-visual
   ============================================ */


.sn-about {
  background: var(--color-white);
  padding: 100px 0;
}

.sn-about__grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 80px;
  align-items: center;
}

.sn-about__content .eyebrow { margin-bottom: var(--space-md); }
.sn-about__content .section-title { text-align: left; margin-bottom: var(--space-lg); }
.sn-about__content p {
  font-family: var(--font-secondary);
  font-size: 16px;
  line-height: var(--lh-relaxed);
  color: var(--color-gray-text);
  margin: 0 0 var(--space-md);
}
.sn-about__content p:last-child { margin: 0; }

.sn-about__visual {
  background: linear-gradient(135deg, var(--color-blue-deep) 0%, #0A4D70 100%);
  color: #FFF;
  padding: 44px 40px;
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 64px rgba(15, 107, 153, 0.25);
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.sn-about__visual::before {
  content: '';
  position: absolute;
  top: -1px; left: -1px; right: -1px;
  height: 4px;
  background: linear-gradient(90deg, var(--color-blue-primary), #8FD4F2, var(--color-blue-primary));
}

.sn-about__visual-eyebrow {
  font-family: var(--font-primary);
  font-size: 10px;
  font-weight: var(--fw-bold);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: #8FD4F2;
  margin-bottom: var(--space-md);
  display: block;
}

.sn-about__tiers {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: var(--space-md);
}

.sn-about__tier {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  padding: 20px 18px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sn-about__tier-label {
  font-family: var(--font-primary);
  font-size: 11px;
  font-weight: var(--fw-bold);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: #8FD4F2;
}

.sn-about__tier-value {
  font-family: var(--font-primary);
  font-size: 24px;
  font-weight: var(--fw-extrabold);
  line-height: 1.1;
  color: #FFF;
  margin: 4px 0;
}

.sn-about__tier-caption {
  font-family: var(--font-secondary);
  font-size: 12px;
  color: rgba(255, 255, 255, 0.7);
}

.sn-about__visual-sub {
  font-family: var(--font-secondary);
  font-size: 13px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.78);
  margin: 0;
}

.sn-about__visual-divider {
  height: 1px;
  background: rgba(255, 255, 255, 0.15);
  margin: 28px 0 20px;
}

.sn-about__visual-stats {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.sn-about__visual-stat {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.sn-about__visual-stat:last-child { border-bottom: 0; padding-bottom: 0; }

.sn-about__visual-stat span {
  font-family: var(--font-secondary);
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
}

.sn-about__visual-stat strong {
  font-family: var(--font-primary);
  font-size: 14px;
  font-weight: var(--fw-bold);
  color: #FFF;
  text-align: right;
}

@media (max-width: 899px) {
  .sn-about { padding: 70px 0; }
  .sn-about__grid { grid-template-columns: 1fr; gap: 40px; }
  .sn-about__visual { padding: 36px 28px; }
}

@media (max-width: 599px) {
  .sn-about__tiers { grid-template-columns: 1fr; gap: 12px; }
  .sn-about__tier-value { font-size: 22px; }
}