.nsd-whatsapp-link {
  position: fixed;
  z-index: 50;
  right: clamp(1rem, 3vw, 2rem);
  bottom: clamp(1rem, 3vw, 2rem);
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  min-height: 3.5rem;
  padding: 0.85rem 1.15rem;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 999px;
  background: #1f8f52;
  box-shadow: 0 1rem 2.5rem rgba(15, 23, 42, 0.28);
  color: #fff;
  font-family: "Poppins", sans-serif;
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
  transition: transform 180ms ease, background-color 180ms ease, box-shadow 180ms ease;
}

.nsd-whatsapp-link:hover {
  background: #187c46;
  box-shadow: 0 1.25rem 3rem rgba(15, 23, 42, 0.36);
  transform: translateY(-3px);
}

.nsd-whatsapp-link:active {
  transform: translateY(-1px) scale(0.98);
}

.nsd-whatsapp-link:focus-visible {
  outline: 3px solid rgba(56, 189, 248, 0.72);
  outline-offset: 4px;
}

.nsd-whatsapp-link__icon {
  width: 1.35rem;
  height: 1.35rem;
  flex: 0 0 auto;
}

.nsd-before-after {
  position: relative;
  overflow: hidden;
  padding: 6rem 1rem;
  background:
    radial-gradient(circle at 8% 14%, rgba(14, 165, 233, 0.16), transparent 30rem),
    linear-gradient(145deg, #07111f 0%, #0f172a 55%, #142238 100%);
  color: #f8fafc;
}

.nsd-before-after::before {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(148, 163, 184, 0.055) 1px, transparent 1px), linear-gradient(90deg, rgba(148, 163, 184, 0.055) 1px, transparent 1px);
  background-size: 48px 48px;
  content: "";
  pointer-events: none;
}

.nsd-before-after__inner {
  position: relative;
  width: min(100%, 80rem);
  margin: 0 auto;
}

.nsd-before-after__intro {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(18rem, 1.2fr);
  align-items: end;
  gap: 1rem 4rem;
  margin-bottom: 2.5rem;
}

.nsd-before-after__eyebrow,
.nsd-comparison__count {
  margin: 0 0 0.6rem;
  color: #38bdf8;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.nsd-before-after__intro h2 {
  margin: 0;
  font-family: "Poppins", sans-serif;
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 800;
  letter-spacing: -0.055em;
  line-height: 0.95;
}

.nsd-before-after__intro > p:last-child {
  max-width: 38rem;
  margin: 0 0 0.25rem;
  color: #cbd5e1;
  font-size: clamp(1rem, 2vw, 1.2rem);
  line-height: 1.7;
}

.nsd-comparison {
  overflow: hidden;
  border: 1px solid rgba(148, 163, 184, 0.24);
  border-radius: 1.75rem;
  background: rgba(15, 23, 42, 0.78);
  box-shadow: 0 2rem 5rem rgba(2, 6, 23, 0.42);
  backdrop-filter: blur(16px);
}

.nsd-comparison__topline {
  display: grid;
  grid-template-columns: minmax(14rem, 0.9fr) minmax(18rem, 1.1fr);
  align-items: end;
  gap: 1.5rem 4rem;
  padding: 1.75rem 2rem;
}

.nsd-comparison__count {
  margin-bottom: 0.35rem;
}

.nsd-comparison__title {
  margin: 0;
  font-family: "Poppins", sans-serif;
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.035em;
}

.nsd-comparison__description {
  max-width: 40rem;
  margin: 0;
  color: #94a3b8;
  line-height: 1.65;
}

.nsd-comparison__images {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px;
  background: #38bdf8;
}

.nsd-comparison__image {
  position: relative;
  min-height: 35rem;
  margin: 0;
  overflow: hidden;
  background: #1e293b;
}

.nsd-comparison__image img {
  width: 100%;
  height: 100%;
  min-height: 35rem;
  object-fit: cover;
  transition: transform 700ms ease;
}

.nsd-comparison:hover .nsd-comparison__image img {
  transform: scale(1.018);
}

.nsd-comparison__image span {
  position: absolute;
  z-index: 1;
  top: 1.25rem;
  left: 1.25rem;
  padding: 0.55rem 0.9rem;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 999px;
  background: rgba(2, 6, 23, 0.78);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  backdrop-filter: blur(10px);
}

.nsd-comparison__image--after span {
  background: #0284c7;
}

.nsd-comparison--revealing .nsd-comparison__image img {
  animation: nsd-comparison-reveal 650ms ease both;
}

.nsd-comparison__image--after img {
  animation-delay: 90ms;
}

.nsd-comparison__footer {
  display: grid;
  grid-template-columns: auto minmax(8rem, 1fr) auto;
  align-items: center;
  gap: 1.25rem;
  padding: 1.25rem 2rem 1.5rem;
}

.nsd-comparison__dots {
  display: flex;
  gap: 0.5rem;
}

.nsd-comparison__dots button {
  width: 0.7rem;
  height: 0.7rem;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: #475569;
  cursor: pointer;
  transition: width 220ms ease, background-color 220ms ease, transform 220ms ease;
}

.nsd-comparison__dots button:hover {
  transform: scale(1.2);
  background: #7dd3fc;
}

.nsd-comparison__dots button[aria-current="true"] {
  width: 2rem;
  background: #38bdf8;
}

.nsd-comparison__dots button:focus-visible {
  outline: 3px solid rgba(125, 211, 252, 0.55);
  outline-offset: 4px;
}

.nsd-comparison__progress {
  height: 2px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.24);
}

.nsd-comparison__progress span {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: inherit;
  background: #38bdf8;
  transform: scaleX(0);
  transform-origin: left;
}

.nsd-comparison__progress-bar--running {
  animation: nsd-comparison-progress 10s linear both;
}

.nsd-comparison__footer > p {
  margin: 0;
  color: #64748b;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

@keyframes nsd-comparison-reveal {
  from { opacity: 0.3; transform: scale(1.025); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes nsd-comparison-progress {
  to { transform: scaleX(1); }
}

@media (max-width: 48rem) {
  .nsd-whatsapp-link {
    right: 0.85rem;
    bottom: 0.85rem;
    min-height: 3.25rem;
    padding: 0.75rem 1rem;
    font-size: 0.82rem;
  }

  .nsd-before-after {
    padding: 4.5rem 1rem;
  }

  .nsd-before-after__intro,
  .nsd-comparison__topline {
    grid-template-columns: 1fr;
  }

  .nsd-before-after__intro {
    gap: 1.25rem;
  }

  .nsd-comparison__topline {
    padding: 1.5rem;
  }

  .nsd-comparison__images {
    grid-template-columns: 1fr;
  }

  .nsd-comparison__image,
  .nsd-comparison__image img {
    min-height: 27rem;
  }

  .nsd-comparison__footer {
    grid-template-columns: auto 1fr;
    padding: 1.25rem 1.5rem 1.5rem;
  }

  .nsd-comparison__footer > p {
    grid-column: 1 / -1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .nsd-whatsapp-link {
    transition: none;
  }

  .nsd-comparison--revealing .nsd-comparison__image img,
  .nsd-comparison__progress-bar--running {
    animation: none;
  }

  .nsd-comparison__image img,
  .nsd-comparison__dots button {
    transition: none;
  }
}