/* V166.10: visual guidance for the five professional-audio disciplines. */
.detail-section .detail-copy {
  position: relative;
  isolation: isolate;
  min-height: 440px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 34px;
  border-radius: 24px;
  background-position: center;
  background-size: cover;
  box-shadow: 0 20px 50px rgba(5, 24, 52, 0.15);
}

.detail-section .detail-copy::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, rgba(4, 20, 45, 0.04) 18%, rgba(4, 20, 45, 0.94) 88%);
}

.detail-section .detail-copy > * { color: #fff; }
.detail-section .detail-copy > p { color: rgba(255, 255, 255, 0.84); }
.detail-section .detail-copy .detail-index { color: #63ddff; }
.detail-section .detail-copy .range-panel {
  background: rgba(4, 20, 45, 0.76);
  border: 1px solid rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(8px);
}

#pa-paging .detail-copy { background-image: url('/images/pa-paging-security-room-v36-1280w.webp'); }
#dsp .detail-copy { background-image: url('/images/audio-photo.webp'); }
#induction-loop .detail-copy { background-image: url('/images/induction-loop-system-auditorium-1280w.webp'); }
#pro-sound .detail-copy { background-image: url('/images/pro-sound-category.webp'); }
#conference-audio .detail-copy { background-image: url('/images/boardroom-video-conference-1280w.webp'); }

@media (max-width: 850px) {
  .detail-section .detail-copy { min-height: 390px; padding: 26px; }
}

@media (prefers-reduced-motion: reduce) {
  .premium-reveal { opacity: 1 !important; transform: none !important; }
}

/* V166.26: clearer Professional Audio decision path. */
.professional-audio-v16626 .guide-hero .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.professional-audio-v16626 .guide-hero-visual picture {
  display: block;
  width: 100%;
}

.professional-audio-v16626 .guide-hero-visual picture img {
  display: block;
  width: 100%;
  height: auto;
}

.professional-audio-v16626 .guide-hero .button-outline {
  border-color: rgba(255, 255, 255, 0.55);
  color: #fff;
}

.professional-audio-v16626 .audio-paths-v16626 {
  padding: 76px max(24px, calc((100vw - 1280px) / 2));
  background: #f4f8ff;
}

.professional-audio-v16626 .audio-paths-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, .95fr);
  gap: 24px 60px;
  align-items: end;
  margin-bottom: 30px;
}

.professional-audio-v16626 .audio-paths-heading .eyebrow {
  grid-column: 1 / -1;
  margin: 0 0 -10px;
  color: #0879c9;
}

.professional-audio-v16626 .audio-paths-heading h2 {
  max-width: 720px;
  margin: 0;
  color: #061735;
  font-size: clamp(2rem, 3.3vw, 3.35rem);
  line-height: 1.03;
  letter-spacing: -.04em;
}

.professional-audio-v16626 .audio-paths-heading > p:last-child {
  max-width: 510px;
  margin: 0;
  color: #56677f;
  font-size: 1.05rem;
  line-height: 1.65;
}

.professional-audio-v16626 .audio-paths-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 18px;
}

.professional-audio-v16626 .audio-paths-grid > a {
  grid-column: span 2;
  display: flex;
  min-width: 0;
  overflow: hidden;
  flex-direction: column;
  border: 1px solid #d9e4f2;
  border-radius: 18px;
  background: #fff;
  color: #061735;
  text-decoration: none;
  box-shadow: 0 14px 32px rgba(15, 46, 86, .08);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}

.professional-audio-v16626 .audio-paths-grid > a:nth-child(4) { grid-column: 2 / span 2; }
.professional-audio-v16626 .audio-paths-grid > a:nth-child(5) { grid-column: 4 / span 2; }

.professional-audio-v16626 .audio-paths-grid > a:hover,
.professional-audio-v16626 .audio-paths-grid > a:focus-visible {
  transform: translateY(-4px);
  border-color: #1783e7;
  box-shadow: 0 20px 42px rgba(15, 67, 128, .14);
}

.professional-audio-v16626 .audio-paths-grid img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  object-position: center;
}

.professional-audio-v16626 .audio-paths-grid span,
.professional-audio-v16626 .audio-paths-grid strong,
.professional-audio-v16626 .audio-paths-grid p,
.professional-audio-v16626 .audio-paths-grid b {
  margin-right: 22px;
  margin-left: 22px;
}

.professional-audio-v16626 .audio-paths-grid span {
  margin-top: 20px;
  color: #0879c9;
  font-size: .68rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.professional-audio-v16626 .audio-paths-grid strong {
  margin-top: 8px;
  font-size: 1.28rem;
  line-height: 1.2;
}

.professional-audio-v16626 .audio-paths-grid p {
  margin-top: 9px;
  margin-bottom: 16px;
  color: #5d6c80;
  line-height: 1.55;
}

.professional-audio-v16626 .audio-paths-grid b {
  margin-top: auto;
  margin-bottom: 22px;
  color: #075fa8;
  font-size: .83rem;
  line-height: 1.45;
}

.professional-audio-v16626 .guide-intro {
  padding-top: 64px;
  padding-bottom: 64px;
}

.professional-audio-v16626 .detail-section {
  scroll-margin-top: 92px;
}

.professional-audio-v16626 .detail-section .detail-copy {
  min-height: 380px;
}

.professional-audio-v16626 .detail-section .fivew-grid {
  grid-template-columns: 1fr;
  gap: 12px;
}

.professional-audio-v16626 .detail-section .fivew-card {
  padding: 20px 22px;
}

.professional-audio-v16626 .detail-section .fivew-card h3 {
  margin-top: 6px;
  font-size: 1.08rem;
}

.professional-audio-v16626 .detail-section .detail-action {
  margin-top: 18px;
}

@media (max-width: 900px) {
  .professional-audio-v16626 .audio-paths-heading { grid-template-columns: 1fr; }
  .professional-audio-v16626 .audio-paths-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .professional-audio-v16626 .audio-paths-grid > a,
  .professional-audio-v16626 .audio-paths-grid > a:nth-child(4),
  .professional-audio-v16626 .audio-paths-grid > a:nth-child(5) { grid-column: auto; }
  .professional-audio-v16626 .audio-paths-grid > a:last-child { grid-column: 1 / -1; }
}

@media (max-width: 620px) {
  .professional-audio-v16626 .audio-paths-v16626 { padding: 54px 18px; }
  .professional-audio-v16626 .audio-paths-grid { grid-template-columns: 1fr; }
  .professional-audio-v16626 .audio-paths-grid > a:last-child { grid-column: auto; }
  .professional-audio-v16626 .audio-paths-grid img { height: 190px; }
  .professional-audio-v16626 .detail-section .detail-copy { min-height: 350px; }
}

@media (prefers-reduced-motion: reduce) {
  .professional-audio-v16626 .audio-paths-grid > a { transition: none; }
}