/* ===========================
   03. LA SOLUCIÓN
   Optimizado para Chrome:
   - Sin backdrop-filter en cards oscuras.
   - Sin blur/box-shadow animado en hover.
   - Mantiene estética negra, brillo sutil y acentos naranja/morado.
=========================== */
#solucion { padding: 120px 0; background: var(--gray-light); }
.solucion-header { text-align: center; margin-bottom: 64px; }
.solucion-header .section-sub { margin: 16px auto 0; text-align: center; }
.solucion-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 64px;
}
@media (max-width: 768px) { .solucion-grid { grid-template-columns: 1fr; } }
.solucion-block {
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 22px;
  padding: 48px 44px;
  position: relative; overflow: hidden;
  min-height: 420px;
  color: #fff;
  background:
    linear-gradient(145deg, rgba(255,255,255,0.08), rgba(255,255,255,0.025) 38%, rgba(255,255,255,0.055)),
    linear-gradient(135deg, #010101 0%, #09060f 48%, #010101 100%);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.16),
    inset 0 -1px 0 rgba(255,255,255,0.06),
    0 24px 58px rgba(15, 10, 31, 0.18);
  transform: translate3d(0, 0, 0);
  backface-visibility: hidden;
  contain: layout paint;
  isolation: isolate;
  transition:
    transform 170ms var(--ease-out),
    border-color 170ms var(--ease-out);
}
.solucion-block::before,
.solucion-block::after {
  content: '';
  position: absolute;
  pointer-events: none;
}
.solucion-block::before {
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(circle at 13% 16%, rgba(255,255,255,0.12), transparent 10%),
    radial-gradient(circle at 82% 76%, rgba(255,255,255,0.08), transparent 9%),
    radial-gradient(circle at -8% 112%, rgba(255,255,255,0.14), transparent 24%),
    linear-gradient(100deg, transparent 22%, rgba(255,255,255,0.075) 47%, transparent 70%);
  opacity: 0.44;
  transform: translate3d(8%, 0, 0) skewX(-12deg);
  transition: opacity 170ms var(--ease-out), transform 170ms var(--ease-out);
}
.solucion-block::after {
  left: -80px;
  bottom: -90px;
  z-index: 0;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,0.14), rgba(255,255,255,0.06) 32%, transparent 68%);
  opacity: 0.24;
  transform: translate3d(0, 0, 0) scale(1);
  transition: opacity 170ms var(--ease-out), transform 170ms var(--ease-out);
}
.solucion-block:hover {
  transform: translate3d(0, -5px, 0) scale(1.006);
  border-color: rgba(255,255,255,0.24);
}
.solucion-block:hover::before {
  opacity: 0.58;
  transform: translate3d(3%, 0, 0) skewX(-12deg);
}
.solucion-block:hover::after {
  opacity: 0.32;
  transform: translate3d(0, 0, 0) scale(1.035);
}
.solucion-block > * {
  position: relative;
  z-index: 1;
}
.solucion-block-dark {
  background:
    linear-gradient(145deg, rgba(255,255,255,0.08), rgba(255,255,255,0.025) 38%, rgba(255,107,26,0.08)),
    linear-gradient(135deg, #010101 0%, #100719 48%, #010101 100%);
}
.solucion-block-light {
  background:
    linear-gradient(145deg, rgba(255,255,255,0.08), rgba(255,255,255,0.025) 38%, rgba(107,31,184,0.12)),
    linear-gradient(135deg, #010101 0%, #08070d 48%, #010101 100%);
}
.solucion-block-num {
  font-size: 80px; font-weight: 800;
  opacity: 0.09;
  position: absolute; top: 20px; right: 32px;
  letter-spacing: -0.04em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: #fff;
  text-shadow: 0 0 34px rgba(255,255,255,0.16);
}
.solucion-block .block-icon {
  width: 64px; height: 64px; border-radius: 18px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 24px;
  font-size: 26px;
  position: relative;
  border: 1px solid rgba(255,255,255,0.16);
  background:
    linear-gradient(135deg, rgba(255,255,255,0.12), rgba(255,255,255,0.035)),
    rgba(255,255,255,0.06);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.2), 0 16px 38px rgba(0,0,0,0.24);
  transform: translate3d(0, 0, 0);
  transition:
    transform 170ms var(--ease-out),
    border-color 170ms var(--ease-out);
}
.solucion-block .block-icon::before {
  content: '';
  position: absolute;
  inset: -7px;
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 22px;
  opacity: 0.42;
  transform: scale(0.98);
  transition: opacity 170ms var(--ease-out), transform 170ms var(--ease-out);
}
.solucion-block .block-icon svg {
  transition: transform 170ms var(--ease-out);
}
.solucion-block:hover .block-icon {
  transform: translate3d(0, -2px, 0) scale(1.025);
  border-color: rgba(255,255,255,0.26);
}
.solucion-block:hover .block-icon::before {
  opacity: 0.62;
  transform: scale(1.02);
}
.solucion-block:hover .block-icon svg {
  transform: translate3d(1px, -1px, 0) scale(1.015);
}
.solucion-block-dark .block-icon { color: #fff; }
.solucion-block-light .block-icon { color: #fff; }
.solucion-block h3 { font-size: 24px; font-weight: 800; letter-spacing: -0.02em; margin-bottom: 16px; }
.solucion-block-dark h3 { color: #fff; }
.solucion-block-light h3 { color: #fff; }
.solucion-block ul { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.solucion-block ul li {
  font-size: 15px; line-height: 1.5;
  display: flex; align-items: flex-start; gap: 10px;
  transition: color 170ms var(--ease-out);
}
.solucion-block-dark ul li,
.solucion-block-light ul li { color: rgba(255,255,255,0.68); }
.solucion-block:hover ul li { color: rgba(255,255,255,0.82); }
.solucion-block ul li::before {
  content: '';
  width: 6px; height: 6px; border-radius: 50%;
  flex-shrink: 0; margin-top: 7px;
  box-shadow: 0 0 16px currentColor;
}
.solucion-block-dark ul li::before { background: var(--orange); }
.solucion-block-light ul li::before { background: var(--purple-primary); }
@media (prefers-reduced-motion: reduce) {
  .solucion-block,
  .solucion-block::before,
  .solucion-block::after,
  .solucion-block .block-icon,
  .solucion-block .block-icon::before,
  .solucion-block .block-icon svg,
  .solucion-block ul li {
    animation: none;
    transition: none;
  }
  .solucion-block,
  .solucion-block:hover,
  .solucion-block:hover::before,
  .solucion-block:hover::after,
  .solucion-block:hover .block-icon,
  .solucion-block:hover .block-icon svg {
    transform: none;
  }
}

/* AI Diagram — canvas energy flow */
.solucion-diagram {
  background: #08031a;
  border-radius: var(--radius-card);
  overflow: hidden;
  position: relative;
  height: 280px;
}
#diag-canvas {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  display: block;
}
.diag-overlay {
  position: absolute; inset: 0;
  display: flex; align-items: center;
  justify-content: space-between;
  padding: 0 8%;
  z-index: 2;
  pointer-events: none;
}
.diag-node-card {
  display: flex; flex-direction: column; align-items: center; gap: 12px;
}
.diag-node-inner {
  padding: 18px 26px;
  border-radius: 16px;
  font-size: 15px; font-weight: 700; color: #fff;
  text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  min-width: 148px;
  position: relative;
}
.diag-node-inner.node-src {
  background: rgba(255,255,255,0.06);
  border: 1.5px solid rgba(255,255,255,0.14);
}
.diag-node-inner.node-ai {
  background: linear-gradient(135deg, rgba(107,31,184,0.6), rgba(160,60,255,0.35));
  border: 1.5px solid rgba(160,80,255,0.55);
  box-shadow: 0 0 40px rgba(107,31,184,0.5), 0 0 80px rgba(107,31,184,0.15);
}
.diag-node-inner.node-ai::before,
.diag-node-inner.node-ai::after {
  content: '';
  position: absolute;
  top: 18px;
  bottom: 18px;
  width: 7px;
  opacity: 0.62;
  background:
    linear-gradient(rgba(210,160,255,0.9), rgba(210,160,255,0.9)) center 0 / 7px 2px no-repeat,
    linear-gradient(rgba(210,160,255,0.9), rgba(210,160,255,0.9)) center 33% / 7px 2px no-repeat,
    linear-gradient(rgba(210,160,255,0.9), rgba(210,160,255,0.9)) center 66% / 7px 2px no-repeat,
    linear-gradient(rgba(210,160,255,0.9), rgba(210,160,255,0.9)) center 100% / 7px 2px no-repeat;
  filter: drop-shadow(0 0 8px rgba(160,80,255,0.75));
}
.diag-node-inner.node-ai::before { left: -8px; }
.diag-node-inner.node-ai::after { right: -8px; }
.diag-node-inner.node-ceo {
  background: linear-gradient(135deg, rgba(255,107,26,0.3), rgba(255,160,60,0.15));
  border: 1.5px solid rgba(255,107,26,0.55);
  box-shadow: 0 0 40px rgba(255,107,26,0.35), 0 0 80px rgba(255,107,26,0.1);
}
.diag-node-label-text {
  font-size: 11px; font-weight: 500; letter-spacing: 0.06em;
  color: rgba(255,255,255,0.38); text-align: center;
}
.diag-ai-logos-row {
  display: flex; gap: 8px; align-items: center;
}
.diag-tag {
  font-size: 10px; font-weight: 600; letter-spacing: 0.07em;
  color: rgba(255,255,255,0.45);
}
@media (max-width: 640px) {
  .solucion-diagram { height: auto; }
  .diag-overlay { flex-direction: column; gap: 0; padding: 32px 20px; position: relative; }
}