/* Secciones y tarjetas de sistemas compartidas por la portada, Hoy, Efemérides
   y el hub de las guías (antes dentro de paginas/index.css). */
.systems-section {
  position: relative;
  padding: clamp(74px, 9vw, 118px) 16px;
  border-top: 1px solid rgba(var(--gold-muted-rgb), 0.1);
  background:
    linear-gradient(180deg, rgba(14,12,40,0.42), rgba(6,5,26,0.2)),
    radial-gradient(circle at 50% 0%, rgba(124,58,237,0.1), transparent 45%);
}

.section-inner {
  width: min(100%, var(--landing-width, 1120px));
  margin: 0 auto;
}

.section-heading {
  max-width: 760px;
  margin: 12px auto 14px;
  color: var(--text);
  font-family: var(--font-h);
  font-size: clamp(28px, 4vw, 46px);
  line-height: 1.2;
  text-align: center;
  text-wrap: balance;
}

.section-eyebrow {
  color: var(--gold);
  font-family: var(--font-h);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-align: center;
  text-transform: uppercase;
}

.section-intro {
  max-width: 700px;
  margin: 0 auto;
  color: #f1effa;
  font-size: 17px;
  line-height: 1.75;
  text-align: center;
}

.systems-grid {
  margin-top: 42px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  list-style: none;
}

.system-card {
  --system-color: var(--gold);
  position: relative;
  min-height: 230px;
  display: flex;
  flex-direction: column;
  width: 100%;
  padding: 22px;
  border: 1px solid rgba(var(--gold-muted-rgb), 0.14);
  border-radius: var(--r-lg);
  overflow: hidden;
  background:
    linear-gradient(145deg, color-mix(in srgb, var(--system-color) 8%, transparent), transparent 48%),
    rgba(14,12,40,0.8);
  box-shadow: 0 14px 44px rgba(0,0,0,0.24);
  color: inherit;
  cursor: pointer;
  font-family: inherit;
  text-align: left;
  text-decoration: none;
  transition: transform 0.22s, border-color 0.22s, box-shadow 0.22s;
}

.system-card::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--system-color), transparent);
  opacity: 0.72;
}

.system-card:hover,
.system-card:focus-visible {
  transform: translateY(-5px);
  border-color: color-mix(in srgb, var(--system-color) 44%, transparent);
  box-shadow: 0 20px 52px rgba(0,0,0,0.36);
}

.system-card.tropical { --system-color: var(--c-tropical); }
.system-card.vedic { --system-color: var(--c-vedic); }
.system-card.egyptian { --system-color: var(--c-egyptian); }
.system-card.american { --system-color: var(--c-american); }
.system-card.celtic { --system-color: var(--c-celtic); }
.system-card.chinese { --system-color: var(--c-chinese); }
.system-card.maya { --system-color: var(--c-maya); }
.system-card.azteca { --system-color: var(--c-azteca); }
.system-card.numerology { --system-color: var(--c-numerology); }
.system-card.enso { --system-color: var(--gold); }

.system-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.system-icon {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border: 1px solid color-mix(in srgb, var(--system-color) 34%, transparent);
  border-radius: 14px;
  background: color-mix(in srgb, var(--system-color) 9%, transparent);
  color: var(--system-color);
  font-size: 23px;
}

.system-state {
  color: var(--text-muted);
  font-family: var(--font-h);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.system-name {
  margin-top: 18px;
  color: var(--text);
  font-family: var(--font-h);
  font-size: 16px;
  line-height: 1.35;
}

.system-origin {
  margin-top: 4px;
  color: var(--system-color);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.system-description {
  margin-top: 12px;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.65;
}

.system-link-label {
  margin-top: auto;
  padding-top: 16px;
  color: var(--text);
  font-family: var(--font-h);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

@media (max-width: 860px) {
  .systems-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 560px) {
  .systems-grid { grid-template-columns: 1fr; }
  .system-card { min-height: 205px; }
}

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