.seo-page .section {
  position: relative;
}

.seo-page .section::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 15% 10%, rgba(200, 164, 94, 0.08), transparent 35%),
    radial-gradient(circle at 85% 30%, rgba(200, 164, 94, 0.06), transparent 40%);
  pointer-events: none;
}

.seo-page .section > * {
  position: relative;
  z-index: 1;
}

.seo-page h1 {
  margin-bottom: 1rem;
  text-shadow: 0 8px 26px rgba(0, 0, 0, 0.35);
}

.seo-page h2 {
  margin: 1.4rem 0 0.7rem;
  padding-left: 0.8rem;
  border-left: 3px solid var(--accent);
}

.seo-page p {
  background: linear-gradient(145deg, rgba(26, 26, 46, 0.88), rgba(18, 18, 26, 0.88));
  border: 1px solid rgba(200, 164, 94, 0.16);
  border-radius: 14px;
  padding: 0.95rem 1rem;
  margin: 0.9rem 0;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.22);
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
}

.seo-page p:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.34);
  border-color: rgba(200, 164, 94, 0.35);
}

.seo-page img {
  box-shadow: 0 14px 28px rgba(0, 0, 0, 0.34);
  transition: transform 0.45s ease, box-shadow 0.45s ease;
}

.seo-page img:hover {
  transform: translateY(-4px) scale(1.01);
  box-shadow: 0 22px 38px rgba(0, 0, 0, 0.45);
}

.faq-accordion {
  margin: 0.9rem 0 1.1rem;
}

.faq-item {
  background: rgba(18, 18, 26, 0.92);
  border: 1px solid rgba(200, 164, 94, 0.18);
  border-radius: 12px;
  margin: 0.7rem 0;
  overflow: hidden;
  transition: border-color 0.35s ease, box-shadow 0.35s ease, transform 0.35s ease;
}

.faq-item:hover {
  transform: translateY(-2px);
  border-color: rgba(200, 164, 94, 0.34);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.28);
}

.faq-question {
  width: 100%;
  border: 0;
  background: transparent;
  color: var(--text-primary);
  text-align: left;
  font: inherit;
  font-weight: 700;
  padding: 0.95rem 1rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.faq-question::after {
  content: "▾";
  color: var(--accent);
  transition: transform 0.3s ease;
}

.faq-item.open .faq-question::after {
  transform: rotate(180deg);
}

.faq-answer-wrap {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

.faq-answer {
  margin: 0;
  padding: 0 1rem 1rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.float-in {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.float-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.music-block {
  margin: 1rem 0 1.3rem;
  padding: 1rem;
  border-radius: 14px;
  border: 1px solid rgba(200, 164, 94, 0.24);
  background: linear-gradient(145deg, rgba(26, 26, 46, 0.92), rgba(10, 10, 15, 0.92));
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
}

.music-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 0.8rem;
}

.music-card {
  border: 1px solid rgba(200, 164, 94, 0.2);
  border-radius: 12px;
  padding: 0.85rem;
  background: rgba(18, 18, 26, 0.88);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.music-card:hover {
  transform: translateY(-3px);
  border-color: rgba(200, 164, 94, 0.38);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.28);
}

.music-title {
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.music-meta {
  color: var(--text-secondary);
  font-size: 0.92rem;
  margin-bottom: 0.7rem;
}

.music-controls {
  display: flex;
  gap: 0.55rem;
  flex-wrap: wrap;
}

/* ——— «Тень в особняке»: саундтрек на SEO-странице ——— */
@keyframes mansionGlow {
  0%, 100% {
    box-shadow:
      0 12px 40px rgba(0, 0, 0, 0.45),
      0 0 0 1px rgba(200, 164, 94, 0.22),
      0 0 28px rgba(200, 164, 94, 0.08);
  }
  50% {
    box-shadow:
      0 16px 48px rgba(0, 0, 0, 0.5),
      0 0 0 1px rgba(200, 164, 94, 0.38),
      0 0 42px rgba(200, 164, 94, 0.18);
  }
}

@keyframes mansionSheen {
  0% { transform: translateX(-30%) rotate(0deg); opacity: 0.35; }
  50% { opacity: 0.65; }
  100% { transform: translateX(30%) rotate(0deg); opacity: 0.35; }
}

@keyframes mansionIconFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

@keyframes mansionViz {
  0%, 100% { transform: scaleY(0.35); opacity: 0.55; }
  50% { transform: scaleY(1); opacity: 1; }
}

@keyframes mansionCardGlow {
  0%, 100% {
    box-shadow: 0 8px 22px rgba(0, 0, 0, 0.28);
    border-color: rgba(200, 164, 94, 0.32);
  }
  50% {
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.38), 0 0 24px rgba(200, 164, 94, 0.22);
    border-color: rgba(200, 164, 94, 0.55);
  }
}

.mansion-soundtrack {
  position: relative;
  margin: 0.2rem 0 1.5rem;
  padding: 1.35rem 1.2rem 1.45rem;
  border-radius: 18px;
  border: 1px solid rgba(200, 164, 94, 0.28);
  background:
    radial-gradient(ellipse 120% 80% at 50% -20%, rgba(200, 164, 94, 0.14), transparent 50%),
    linear-gradient(165deg, rgba(24, 20, 36, 0.97), rgba(8, 8, 14, 0.99));
  overflow: hidden;
  animation: mansionGlow 5.5s ease-in-out infinite;
}

.mansion-soundtrack::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    transparent 40%,
    rgba(255, 248, 235, 0.06) 50%,
    transparent 60%
  );
  background-size: 200% 100%;
  animation: mansionSheen 7s ease-in-out infinite;
  pointer-events: none;
}

.mansion-soundtrack::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(
    135deg,
    rgba(200, 164, 94, 0.45),
    transparent 40%,
    transparent 60%,
    rgba(200, 164, 94, 0.25)
  );
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  opacity: 0.55;
}

.mansion-soundtrack__header {
  position: relative;
  z-index: 1;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  margin-bottom: 1.15rem;
}

.mansion-soundtrack__icon {
  flex-shrink: 0;
  font-size: 2.25rem;
  line-height: 1;
  filter: drop-shadow(0 0 14px rgba(200, 164, 94, 0.45));
  animation: mansionIconFloat 3.2s ease-in-out infinite;
}

.mansion-soundtrack__intro {
  flex: 1;
  min-width: 0;
}

.mansion-soundtrack__lead {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--text-secondary);
}

.mansion-soundtrack__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(268px, 1fr));
  gap: 0.85rem;
}

.mansion-track-card {
  position: relative;
  display: flex;
  gap: 0.75rem;
  padding: 0.95rem 1rem;
  border-radius: 14px;
  border: 1px solid rgba(200, 164, 94, 0.22);
  background: rgba(14, 12, 22, 0.82);
  backdrop-filter: blur(6px);
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 0.55s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.55s cubic-bezier(0.22, 1, 0.36, 1),
    border-color 0.35s ease,
    box-shadow 0.35s ease;
}

.mansion-soundtrack.is-visible .mansion-track-card {
  opacity: 1;
  transform: translateY(0);
}

.mansion-soundtrack.is-visible .mansion-track-card:nth-child(1) { transition-delay: 0.05s; }
.mansion-soundtrack.is-visible .mansion-track-card:nth-child(2) { transition-delay: 0.11s; }
.mansion-soundtrack.is-visible .mansion-track-card:nth-child(3) { transition-delay: 0.17s; }
.mansion-soundtrack.is-visible .mansion-track-card:nth-child(4) { transition-delay: 0.23s; }
.mansion-soundtrack.is-visible .mansion-track-card:nth-child(5) { transition-delay: 0.29s; }

.mansion-track-card:hover {
  border-color: rgba(200, 164, 94, 0.4);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.35);
}

.mansion-track-card--active {
  animation: mansionCardGlow 2s ease-in-out infinite;
}

.mansion-track-card__num {
  flex-shrink: 0;
  width: 2rem;
  font-family: var(--font-mono, ui-monospace, monospace);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: rgba(200, 164, 94, 0.55);
  padding-top: 0.15rem;
}

.mansion-track-card__body {
  flex: 1;
  min-width: 0;
}

.mansion-track-card__title {
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

.mansion-track-card__meta {
  font-size: 0.86rem;
  color: var(--text-secondary);
  margin-bottom: 0.65rem;
  font-style: italic;
}

.mansion-soundtrack__viz {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 5px;
  height: 28px;
  margin-top: 1rem;
  opacity: 0.35;
  transition: opacity 0.45s ease;
}

.mansion-soundtrack--playing .mansion-soundtrack__viz {
  opacity: 0.95;
}

.mansion-soundtrack__viz span {
  width: 5px;
  height: 100%;
  border-radius: 3px;
  background: linear-gradient(to top, rgba(200, 164, 94, 0.25), rgba(200, 164, 94, 0.95));
  transform-origin: bottom center;
  transform: scaleY(0.35);
  animation: mansionViz 0.9s ease-in-out infinite;
}

.mansion-soundtrack__viz span:nth-child(1) { animation-delay: 0s; }
.mansion-soundtrack__viz span:nth-child(2) { animation-delay: 0.12s; }
.mansion-soundtrack__viz span:nth-child(3) { animation-delay: 0.24s; }
.mansion-soundtrack__viz span:nth-child(4) { animation-delay: 0.08s; }
.mansion-soundtrack__viz span:nth-child(5) { animation-delay: 0.2s; }

.mansion-soundtrack:not(.mansion-soundtrack--playing) .mansion-soundtrack__viz span {
  animation: none;
  transform: scaleY(0.25);
  opacity: 0.45;
}

@media (prefers-reduced-motion: reduce) {
  .mansion-soundtrack,
  .mansion-soundtrack::before,
  .mansion-soundtrack__icon,
  .mansion-track-card--active,
  .mansion-soundtrack__viz span {
    animation: none !important;
  }
  .mansion-track-card {
    opacity: 1;
    transform: none;
  }
  .mansion-soundtrack::before {
    opacity: 0.25;
  }
}