/* =======================================================
   SOBRE NOSOTROS – ESTILOS INDEPENDIENTES
   Todas las clases empiezan por .sa- para evitar conflictos.
   Paleta: blanco / grises / negro (corporativo, profesional).
   ======================================================= */

.sa-about {
  background: radial-gradient(
    circle at top,
    #ffffff 0%,
    #f9fafb 40%,
    #f3f4f6 100%
  );
  padding: 80px 16px;
}

/* Tipografía & box-sizing aislados para esta sección */
.sa-about,
.sa-about * {
  box-sizing: border-box;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI',
    sans-serif;
}

.sa-about__container {
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1.15fr);
  gap: 48px;
  align-items: center;
}

/* =========================
   COLUMNA IZQUIERDA – MEDIA
   ========================= */

.sa-about__media {
  position: relative;
}

.sa-about__media-frame {
  position: relative;
  border-radius: 26px;
  padding: 18px;
  background: radial-gradient(
      circle at top left,
      rgba(0, 0, 0, 0.05),
      transparent 55%
    ),
    radial-gradient(circle at bottom right, rgba(0, 0, 0, 0.18), #050816);
  box-shadow: 0 26px 60px rgba(0, 0, 0, 0.78), 0 0 0 1px rgba(15, 23, 42, 0.7);
  overflow: hidden;
}

/* marco interno tipo cristal */
.sa-about__media-inner {
  position: relative;
  z-index: 1; /* la imagen está debajo del GIF y la etiqueta flotante */
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid rgba(156, 163, 175, 0.45);
  background: radial-gradient(
    circle at top,
    rgba(249, 250, 251, 0.08),
    rgba(15, 23, 42, 1)
  );
  transform-origin: center;
  transform: translateY(0) scale(1);
  transition: transform 0.55s cubic-bezier(0.19, 1, 0.22, 1),
    box-shadow 0.55s ease;
  box-shadow: 0 26px 72px rgba(0, 0, 0, 0.9);
}

.sa-about__media-img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* hover suave en la tarjeta de la imagen */
.sa-about__media-frame:hover .sa-about__media-inner {
  transform: translateY(-4px) scale(1.01);
  box-shadow: 0 36px 80px rgba(0, 0, 0, 0.95),
    0 0 0 1px rgba(249, 250, 251, 0.12);
}

/* GIF en la esquina superior izquierda, delante de la imagen */
.sa-about__gif-badge {
  position: absolute;
  top: 18px;
  left: 18px;
  width: 78px;
  height: 78px;
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid rgba(209, 213, 219, 0.7);
  background: rgba(15, 23, 42, 0.95);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.85), 0 0 0 1px rgba(0, 0, 0, 0.95);
  transform-origin: center;
  animation: sa-badge-float 5s ease-in-out infinite;
  z-index: 3; /* por delante de la imagen */
}

.sa-about__gif-badge img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* etiqueta flotante inferior derecha */
.sa-about__floating-tag {
  position: absolute;
  bottom: 20px;
  right: 22px;
  z-index: 4; /* por encima de todo */
  padding: 7px 14px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(15, 23, 42, 0.94);
  color: #e5e7eb;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  border: 1px solid rgba(156, 163, 175, 0.75);
  backdrop-filter: blur(12px);
}

.sa-about__floating-dot {
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: #f9fafb;
  box-shadow: 0 0 7px rgba(249, 250, 251, 0.9),
    0 0 18px rgba(156, 163, 175, 0.8);
  animation: sa-dot-pulse 1.9s ease-in-out infinite;
}

.sa-about__floating-text {
  opacity: 0.85;
}

/* =========================
   COLUMNA DERECHA – CONTENIDO
   ========================= */

.sa-about__content {
  position: relative;
  padding: 8px 4px;
  color: #111827;
}

/* chip superior */
.sa-about__tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: 999px;
  background: rgba(17, 24, 39, 0.02);
  border: 1px solid rgba(209, 213, 219, 0.95);
  font-size: 0.76rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #4b5563;
  box-shadow: 0 10px 22px rgba(15, 23, 42, 0.08);
}

.sa-about__tag::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: #10b981;
  box-shadow: 0 0 6px rgba(16, 185, 129, 0.9), 0 0 14px rgba(16, 185, 129, 0.7);
}

/* título principal */
.sa-about__title {
  margin: 18px 0 12px;
  font-size: clamp(2rem, 2.4vw + 1.2rem, 2.7rem);
  font-weight: 700;
  line-height: 1.15;
  color: #020617;
}

.sa-about__title-highlight {
  position: relative;
  display: inline-block;
  color: #030712;
}

.sa-about__title-highlight::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0.1em;
  width: 100%;
  height: 0.52em;
  background: linear-gradient(
    to right,
    rgba(15, 15, 15, 0.03),
    rgba(15, 23, 42, 0.15),
    rgba(15, 15, 15, 0.03)
  );
  border-radius: 999px;
  z-index: -1;
}

/* texto principal */
.sa-about__lead {
  margin: 0 0 16px;
  font-size: 0.98rem;
  line-height: 1.8;
  color: #4b5563;
}

.sa-about__lead strong {
  font-weight: 600;
  color: #111827;
}

/* bullets */
.sa-about__bullets {
  list-style: none;
  padding: 0;
  margin: 0 0 20px;
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.sa-about__bullet {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  font-size: 0.9rem;
  color: #374151;
}

.sa-about__bullet-dot {
  margin-top: 6px;
  width: 8px;
  height: 8px;
  border-radius: 999px;
  border: 1px solid rgba(31, 41, 55, 0.4);
  background: radial-gradient(circle, #111827, #ffffff);
}

/* métricas corporativas */
.sa-about__metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-bottom: 18px;
}

.sa-about__metric {
  min-width: 110px;
}

.sa-about__metric-number {
  display: inline-flex;
  align-items: flex-end;
  gap: 1px;
  font-size: 1.5rem;
  font-weight: 700;
  color: #020617;
  font-variant-numeric: tabular-nums;
}

.sa-about__metric-number span {
  font-size: 0.9rem;
  margin-bottom: 2px;
  color: #6b7280;
}

.sa-about__metric-label {
  display: block;
  margin-top: 2px;
  font-size: 0.82rem;
  color: #6b7280;
}

/* botones */
.sa-about__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.sa-about__btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 0.86rem;
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
  transition: transform 0.25s ease, box-shadow 0.25s ease,
    border-color 0.25s ease, background 0.25s ease, color 0.25s ease;
}

/* botón principal */
.sa-about__btn--primary {
  background: #111827;
  color: #f9fafb;
  border-color: #020617;
  box-shadow: 0 16px 36px rgba(15, 23, 42, 0.9), 0 0 0 1px rgba(0, 0, 0, 0.96);
}

.sa-about__btn--primary:hover {
  transform: translateY(-1px) translateX(1px);
  box-shadow: 0 22px 42px rgba(15, 23, 42, 0.98),
    0 0 0 1px rgba(249, 250, 251, 0.15);
  background: #020617;
}

/* botón secundario */
.sa-about__btn--ghost {
  background: rgba(17, 24, 39, 0.02);
  color: #111827;
  border-color: rgba(148, 163, 184, 0.9);
  box-shadow: 0 10px 22px rgba(15, 23, 42, 0.12);
}

.sa-about__btn--ghost:hover {
  background: rgba(17, 24, 39, 0.06);
  transform: translateY(-1px);
}

/* =========================
   ANIMACIÓN DE ENTRADA
   ========================= */

.sa-about__media,
.sa-about__content {
  opacity: 0;
  transform: translateY(22px);
  filter: blur(4px);
  transition: opacity 0.7s ease, transform 0.7s ease, filter 0.7s ease;
}

.sa-about.sa-about--visible .sa-about__media,
.sa-about.sa-about--visible .sa-about__content {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}

.sa-about.sa-about--visible .sa-about__media {
  transition-delay: 0.06s;
}

.sa-about.sa-about--visible .sa-about__content {
  transition-delay: 0.16s;
}

/* =========================
   KEYFRAMES (GIF + DOT)
   ========================= */

@keyframes sa-badge-float {
  0% {
    transform: translateY(0) scale(1);
  }
  50% {
    transform: translateY(-5px) scale(1.03);
  }
  100% {
    transform: translateY(0) scale(1);
  }
}

@keyframes sa-dot-pulse {
  0% {
    transform: scale(1);
    opacity: 0.8;
  }
  50% {
    transform: scale(1.2);
    opacity: 1;
  }
  100% {
    transform: scale(1);
    opacity: 0.8;
  }
}

/* =========================
   RESPONSIVE
   ========================= */

@media (max-width: 1024px) {
  .sa-about {
    padding: 72px 16px;
  }

  .sa-about__container {
    gap: 40px;
  }
}

@media (max-width: 900px) {
  .sa-about__container {
    grid-template-columns: minmax(0, 1fr);
    gap: 36px;
  }

  .sa-about__media {
    order: -1; /* en mobile, la imagen va arriba */
  }

  .sa-about__media-frame {
    max-width: 580px;
    margin: 0 auto;
  }
}

@media (max-width: 640px) {
  .sa-about {
    padding: 60px 12px;
  }

  .sa-about__media-frame {
    padding: 14px;
    border-radius: 22px;
  }

  .sa-about__gif-badge {
    width: 66px;
    height: 66px;
    border-radius: 20px;
    top: 14px;
    left: 14px;
  }

  .sa-about__floating-tag {
    bottom: 16px;
    right: 16px;
    padding: 5px 11px;
  }

  .sa-about__title {
    font-size: 1.9rem;
  }

  .sa-about__metrics {
    gap: 14px;
  }

  .sa-about__metric-number {
    font-size: 1.4rem;
  }

  .sa-about__actions {
    flex-direction: column;
  }

  .sa-about__btn {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .sa-about {
    padding: 52px 10px;
  }

  .sa-about__lead {
    font-size: 0.92rem;
  }

  .sa-about__bullet {
    font-size: 0.86rem;
  }

  .sa-about__floating-tag {
    font-size: 0.68rem;
  }
}

/* Accesibilidad: reducir movimiento si el usuario lo pide */
@media (prefers-reduced-motion: reduce) {
  .sa-about__media,
  .sa-about__content,
  .sa-about__gif-badge,
  .sa-about__floating-dot {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}