.sunglasses-hero {
  padding: 6rem 0 4.5rem;
  background:
    linear-gradient(110deg, rgba(27, 94, 32, 0.85), rgba(27, 94, 32, 0.65)),
    url("../img/OptiSaver-banner-5.webp") center / cover no-repeat;
  color: #fff;
}

.sunglasses-hero h1 span,
.section h2 span {
  color: var(--brand-yellow);
}

.sunglasses-hero p {
  margin: 0;
  max-width: 720px;
  line-height: 1.35;
}

.designs-layout {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: 170px 1fr;
  gap: 1rem;
  background:
    radial-gradient(circle at 25px 25px, rgba(13, 58, 23, 0.04) 1px, transparent 1px),
    radial-gradient(circle at 75px 75px, rgba(13, 58, 23, 0.03) 1px, transparent 1px);
  background-size: 110px 110px;
}

.shape-filter {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  align-self: start;
  position: sticky;
  top: 90px;
}

.shape-btn {
  border: 1px solid var(--border);
  text-align: left;
  padding: 0.75rem 1rem 0.75rem 2.8rem;
  border-radius: var(--radius-md);
  font-family: inherit;
  font-weight: 500;
  font-size: 1rem;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  position: relative;
  transition: var(--transition);
}

.shape-btn:hover {
  background: var(--surface-soft);
  border-color: var(--brand);
}

.shape-btn.active {
  background: var(--brand);
  color: #fff;
  border-color: var(--brand);
  box-shadow: var(--shadow-sm);
}

.shape-btn.active::before {
  color: var(--brand-yellow);
}

.spec-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem 0.8rem;
}

.spec-card {
  text-align: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1rem;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.spec-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.spec-image-stack {
  display: grid;
}

.spec-image-stack .spec-image {
  grid-area: 1 / 1;
}

.spec-image {
  width: 100%;
  aspect-ratio: 16 / 7;
  object-fit: contain;
  transform-style: preserve-3d;
  transition: transform 0.4s ease, opacity 0.28s ease;
}

.spec-image-hover {
  opacity: 0;
  transform: translateX(8px);
}

.spec-card:hover .spec-image-front,
.spec-card:focus-within .spec-image-front {
  animation: specRotate 0.8s ease;
}

.spec-card.has-hover-image:hover .spec-image-front,
.spec-card.has-hover-image:focus-within .spec-image-front {
  opacity: 0;
}

.spec-card.has-hover-image:hover .spec-image-hover,
.spec-card.has-hover-image:focus-within .spec-image-hover {
  opacity: 1;
  transform: translateX(0);
}

.spec-card p {
  margin: 0.25rem 0 0;
  color: #0f3a1f;
  font-size: 0.92rem;
  font-weight: 500;
  text-transform: uppercase;
  line-height: 1.25;
}

@keyframes specRotate {
  0% {
    transform: rotateY(0deg) scale(1);
  }

  50% {
    transform: rotateY(18deg) scale(1.03);
  }

  100% {
    transform: rotateY(0deg) scale(1);
  }
}

.sunglasses-cta-wrap {
  margin-top: 1.25rem;
}

@media (max-width: 980px) {
  .designs-layout {
    grid-template-columns: 1fr;
  }

  .shape-filter {
    position: static;
    flex-direction: row;
    overflow-x: auto;
    padding-bottom: 0.3rem;
  }

  .shape-btn {
    white-space: nowrap;
    min-width: 130px;
  }

  .spec-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  .spec-grid {
    grid-template-columns: 1fr;
  }
}