/* ==========================================================================
   Hero — texto a la izquierda, tarjeta a la derecha
   ========================================================================== */

.hero {
  position: relative;
  overflow: hidden;
  background-color: var(--ink-900);
  color: var(--on-dark);
  padding-block: clamp(3.5rem, 7vw, 6.5rem) clamp(4rem, 8vw, 7rem);
}

/* --- Sombras en movimiento ------------------------------------------------
   Manchas muy difusas en el mismo azul del fondo que se desplazan lento y
   desacompasadas entre sí. Aportan movimiento ambiental sin competir con el
   texto: son degradados radiales, no tienen borde ni contorno visible.
   -------------------------------------------------------------------------- */

.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

.hero-bg span {
  position: absolute;
  display: block;
  border-radius: 50%;
  will-change: transform;
}

/* Resplandor cian detrás de la tarjeta: sitúa el foco sin dibujar un recuadro. */
.hero-bg span:nth-child(1) {
  width: max(46vw, 420px);
  aspect-ratio: 1;
  top: -18%;
  right: -8%;
  background: radial-gradient(
    circle,
    rgba(0, 187, 239, 0.18),
    rgba(0, 187, 239, 0) 66%
  );
  animation: drift-1 27s ease-in-out infinite alternate;
}

/* Luz azul fría subiendo desde abajo a la izquierda. */
.hero-bg span:nth-child(2) {
  width: max(42vw, 360px);
  aspect-ratio: 1;
  bottom: -26%;
  left: -10%;
  background: radial-gradient(
    circle,
    rgba(28, 58, 102, 0.5),
    rgba(28, 58, 102, 0) 68%
  );
  animation: drift-2 35s ease-in-out infinite alternate;
}

/* La sombra propiamente dicha: más oscura que el fondo, cruza por el centro. */
.hero-bg span:nth-child(3) {
  width: max(38vw, 320px);
  aspect-ratio: 1;
  top: 18%;
  left: 30%;
  background: radial-gradient(
    circle,
    rgba(1, 8, 20, 0.65),
    rgba(1, 8, 20, 0) 70%
  );
  animation: drift-3 44s ease-in-out infinite alternate;
}

/* Duraciones primas entre sí: el conjunto no se repite a simple vista. */
@keyframes drift-1 {
  from {
    transform: translate3d(0, 0, 0) scale(1);
  }
  to {
    transform: translate3d(-8%, 10%, 0) scale(1.18);
  }
}

@keyframes drift-2 {
  from {
    transform: translate3d(0, 0, 0) scale(1);
  }
  to {
    transform: translate3d(14%, -12%, 0) scale(1.22);
  }
}

@keyframes drift-3 {
  from {
    transform: translate3d(0, 0, 0) scale(1.1);
  }
  to {
    transform: translate3d(-16%, 14%, 0) scale(0.9);
  }
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  /* La columna derecha se ajusta al ancho de la tarjeta; el texto se queda
     con todo lo que sobra. */
  grid-template-columns: minmax(0, 1fr) min(420px, 42%);
  align-items: center;
  gap: clamp(2.5rem, 5vw, 5rem);
}

/* --- Columna de texto ----------------------------------------------------- */

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 0.9rem 0.4rem 0.7rem;
  font-family: var(--font-mono);
  font-size: var(--t-eyebrow);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--on-dark-muted);
  background-color: rgba(28, 58, 102, 0.4);
  border: 1px solid var(--ink-600);
  border-radius: var(--r-pill);
}

.hero-eyebrow::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--green);
  box-shadow: 0 0 0 3px rgba(37, 211, 102, 0.2);
}

.hero-title {
  font-family: var(--font-display);
  font-size: var(--t-h1);
  font-weight: 900;
  line-height: 0.98;
  letter-spacing: -0.04em;
  margin-top: 1.5rem;
  text-wrap: balance;
}

.hero-title em {
  font-style: normal;
  color: var(--cyan);
}

.hero-lead {
  font-size: var(--t-lead);
  color: var(--on-dark-muted);
  max-width: 46ch;
  margin-top: 1.5rem;
  text-wrap: pretty;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2.25rem;
}

.hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.75rem;
  margin-top: 2.5rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--ink-600);
}

.hero-facts li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--t-small);
  color: var(--on-dark-muted);
}

.hero-facts i {
  color: var(--cyan);
  font-size: 1rem;
}

/* --- Columna de la tarjeta ------------------------------------------------ */

.hero-visual {
  display: flex;
  justify-content: center;
  perspective: 1400px;
}

.hero-visual-inner {
  width: 100%;
  max-width: 420px;
}

.credit-card {
  position: relative;
  width: 100%;
  aspect-ratio: 1.586; /* proporción real ISO/IEC 7810 ID-1 */
  padding: clamp(1.4rem, 2.6vw, 1.9rem);
  display: flex;
  flex-direction: column;
  border-radius: var(--r-xl);
  border: 1px solid rgba(92, 220, 255, 0.22);
  background: linear-gradient(150deg, #123a63 0%, #0a1f3d 45%, #061530 100%);
  box-shadow: var(--shadow-lg);
  transform-style: preserve-3d;
  rotate: z -1.5deg;
  transform: rotateY(-15deg) rotateX(7deg);
  transition: transform 0.5s var(--ease);
  will-change: transform;
}

/* El patrón de billetes del sitio original, reutilizado donde de verdad
   corresponde: como impresión de seguridad dentro de la tarjeta. */
.credit-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background-image: url("../assets/img/logo/fondo.png");
  background-size: 120px;
  opacity: 0.2;
  mix-blend-mode: overlay;
  pointer-events: none;
}

/* Brillo diagonal: da volumen sin recurrir a un resplandor pulsante. */
.credit-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(
    115deg,
    rgba(255, 255, 255, 0.14) 0%,
    rgba(255, 255, 255, 0) 38%,
    rgba(255, 255, 255, 0) 70%,
    rgba(0, 187, 239, 0.12) 100%
  );
  pointer-events: none;
}

.cc-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.cc-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--on-dark);
}

.cc-brand svg {
  width: 32px;
  height: 32px;
  color: var(--cyan);
}

.cc-brand b {
  color: var(--cyan);
}

.cc-network {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--on-dark-muted);
}

.cc-chip {
  width: 46px;
  height: 34px;
  margin-top: auto;
  border-radius: 6px;
  background: linear-gradient(135deg, #f0d189 0%, #c9a44c 45%, #f7e3ae 100%);
  position: relative;
  overflow: hidden;
}

.cc-chip::before,
.cc-chip::after {
  content: "";
  position: absolute;
  background: rgba(90, 66, 16, 0.55);
}

.cc-chip::before {
  inset: 33% 0 auto 0;
  height: 1px;
}

.cc-chip::after {
  inset: 0 auto 0 45%;
  width: 1px;
}

.cc-number {
  display: flex;
  gap: 0.85rem;
  margin-top: 0.9rem;
  font-family: var(--font-mono);
  font-size: clamp(0.85rem, 1.6vw, 1rem);
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--on-dark);
}

.cc-bottom {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 1rem;
  margin-top: 1.1rem;
  padding-top: 1.1rem;
  border-top: 1px solid rgba(92, 220, 255, 0.18);
}

.cc-field {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  min-width: 0;
}

.cc-label {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--on-dark-muted);
}

.cc-value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.05rem, 2.1vw, 1.35rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--cyan);
}

.cc-field--right {
  text-align: right;
}

/* Pie de la tarjeta: aclara que las cifras del ejemplo son reales. */
.hero-visual-note {
  margin-top: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  color: var(--on-dark-muted);
  text-align: center;
}

/* --- Responsive ----------------------------------------------------------- */

@media (max-width: 940px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .credit-card {
    transform: rotateY(-9deg) rotateX(5deg);
  }
}

@media (max-width: 560px) {
  .hero-facts {
    flex-direction: column;
    gap: 0.65rem;
  }

  .hero-actions .btn {
    flex: 1 1 100%;
  }

  .credit-card {
    rotate: z 0deg;
    transform: none;
  }
}

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