/**
 * Helmetsan 5-Shot Product Gallery Frontend Styles
 * Premium automotive commercial styling with smooth transitions and mobile swipe.
 */

.helmetsan-gallery-wrap {
  max-width: 960px;
  margin: 1.5rem auto 2.5rem;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, sans-serif;
  box-sizing: border-box;
}

/* Main Viewport Container */
.hs-gallery-viewport {
  position: relative;
  width: 100%;
  padding-bottom: 65%; /* 16:10 aspect ratio */
  background: #0f172a;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.25);
}

.hs-gallery-main-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 0.3s ease, transform 0.4s ease;
  cursor: zoom-in;
}
.hs-gallery-main-img.loading {
  opacity: 0.4;
}

/* Trust & Angle Badges */
.hs-gallery-badge-top {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(8px);
  color: #38bdf8;
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(56, 189, 248, 0.3);
  z-index: 2;
}

.hs-gallery-badge-kimi {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: rgba(22, 101, 52, 0.9);
  backdrop-filter: blur(8px);
  color: #bbf7d0;
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(134, 239, 172, 0.4);
  z-index: 2;
}

.hs-gallery-caption-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(0deg, rgba(15, 23, 42, 0.9) 0%, rgba(15, 23, 42, 0) 100%);
  padding: 2.5rem 1.25rem 1rem;
  color: #fff;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  z-index: 2;
}
.hs-gallery-angle-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0;
  color: #fff;
}
.hs-gallery-angle-desc {
  font-size: 0.8rem;
  color: #cbd5e1;
  margin: 0.2rem 0 0;
}
.hs-gallery-zoom-hint {
  font-size: 0.75rem;
  color: #94a3b8;
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

/* 5-Shot Thumbnail Strip */
.hs-gallery-thumbs-strip {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.75rem;
  margin-top: 1rem;
}
.hs-gallery-thumb-btn {
  background: #f8fafc;
  border: 2px solid #e2e8f0;
  border-radius: 10px;
  padding: 0.35rem;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  outline: none;
  text-align: center;
}
.hs-gallery-thumb-btn:hover {
  border-color: #38bdf8;
  transform: translateY(-2px);
}
.hs-gallery-thumb-btn.active {
  border-color: #0284c7;
  background: #f0f9ff;
  box-shadow: 0 0 0 2px rgba(2, 132, 199, 0.2);
}
.hs-gallery-thumb-img {
  width: 100%;
  height: 58px;
  object-fit: cover;
  border-radius: 6px;
  background: #1e293b;
}
.hs-gallery-thumb-label {
  font-size: 0.72rem;
  font-weight: 700;
  color: #334155;
  margin-top: 0.35rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}
.hs-gallery-thumb-btn.active .hs-gallery-thumb-label {
  color: #0284c7;
}

/* Lightbox Modal */
.hs-gallery-lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(10px);
  z-index: 999999;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: zoom-out;
}
.hs-gallery-lightbox.hidden {
  display: none !important;
}
.hs-lightbox-img {
  max-width: 94vw;
  max-height: 94vh;
  object-fit: contain;
  border-radius: 12px;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
  animation: hsFadeIn 0.25s ease;
}
@keyframes hsFadeIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

@media (max-width: 640px) {
  .hs-gallery-thumbs-strip {
    gap: 0.4rem;
  }
  .hs-gallery-thumb-img {
    height: 44px;
  }
  .hs-gallery-thumb-label {
    font-size: 0.65rem;
  }
  .hs-gallery-angle-title {
    font-size: 0.95rem;
  }
}