.detail-hero {
  padding: 70px 0;
  background: linear-gradient(135deg, #071018, #111c28);
  color: #fff;
}

.detail-hero h1 {
  max-width: 900px;
  margin: 18px 0 12px;
  font-size: clamp(34px, 5vw, 68px);
  line-height: 1.04;
}

.detail-hero p {
  font-size: 22px;
  color: #d7aa42;
}

.detail-back {
  color: #c5cbd1;
}

.detail-section {
  padding: 60px 0;
  background: #f7f7f7;
}

.detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(320px, .7fr);
  gap: 32px;
}

.detail-gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.detail-gallery img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 22px;
  background: #e9e9e9;
}

.detail-gallery img:first-child {
  grid-column: 1 / -1;
  aspect-ratio: 16 / 10;
}

.detail-card {
  position: sticky;
  top: 20px;
  align-self: start;
  padding: 34px 28px 28px;
  border: 1px solid #e5e5e5;
  border-radius: 28px;
  background: #fff;
  box-shadow: 0 18px 40px rgba(10, 20, 30, .08);
}

.detail-card h2 {
  margin: 0 0 22px;
  font-size: clamp(34px, 3.2vw, 58px);
  line-height: 1.02;
  letter-spacing: -.03em;
  color: #171b1f;
}

.detail-card dl {
  margin: 0 0 26px;
}

.detail-card dl div {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 0;
  border-bottom: 1px solid #eee;
}

.detail-card dt {
  color: #7d8288;
}

.detail-card dd {
  margin: 0;
  font-weight: 700;
  text-align: right;
}

.detail-card .gold-button,
.detail-card .dark-button {
  width: 100%;
  min-height: 58px;
  margin-top: 14px;
  padding: 16px 22px;
  border-radius: 18px;
  font-size: clamp(15px, 1.15vw, 17px);
  line-height: 1.1;
  letter-spacing: .02em;
  white-space: normal;
}

.detail-price {
  font-size: 32px;
  font-weight: 800;
  color: #b98613;
}

.detail-copy {
  max-width: 920px;
  margin-top: 42px;
}

.detail-copy h2 {
  font-size: 32px;
}

.detail-copy p {
  font-size: 18px;
  line-height: 1.7;
  white-space: pre-line;
}

.detail-related {
  padding: 60px 0;
}

.detail-related h2 {
  margin-bottom: 24px;
  font-size: 32px;
}

.detail-related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.detail-related-grid a {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 12px;
  border: 1px solid #e5e5e5;
  border-radius: 20px;
  background: #fff;
  color: #111;
}

.detail-related-grid img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: 14px;
}

.detail-related-grid span {
  color: #747980;
}

.legal-hero {
  background: radial-gradient(circle at 80% 12%, rgba(215, 173, 73, .18), transparent 20%), linear-gradient(140deg, #081019, #132130);
}

.legal-section {
  background: linear-gradient(180deg, #f6f4ef, #f3f5f8);
}

.legal-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, .8fr);
  gap: 28px;
  align-items: start;
}

.legal-stack {
  display: grid;
  gap: 18px;
}

.legal-card {
  padding: 28px 26px;
  border: 1px solid rgba(17, 24, 31, .08);
  border-radius: 26px;
  background: #fff;
  box-shadow: 0 18px 40px rgba(10, 20, 30, .07);
}

.legal-card--muted {
  position: sticky;
  top: 20px;
  background: linear-gradient(180deg, #fff7df, #fff);
}

.legal-card h2 {
  margin: 0 0 16px;
  font-size: clamp(24px, 2.2vw, 34px);
  line-height: 1.08;
  color: #171b1f;
}

.legal-card p {
  margin: 0 0 14px;
  color: #3f474e;
  font-size: 17px;
  line-height: 1.72;
}

.legal-card p:last-child {
  margin-bottom: 0;
}

.legal-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding-left: 22px;
  color: #3f474e;
  font-size: 17px;
  line-height: 1.68;
}

.legal-meta {
  display: grid;
  gap: 12px;
  margin: 0;
}

.legal-meta div {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(17, 24, 31, .08);
}

.legal-meta div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.legal-meta dt {
  color: #7a8188;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .06em;
}

.legal-meta dd {
  margin: 0;
  color: #171b1f;
  font-weight: 700;
  line-height: 1.5;
}

.legal-meta a {
  color: #171b1f;
}

.error-hero {
  background: radial-gradient(circle at 82% 18%, rgba(221, 173, 58, .18), transparent 20%), linear-gradient(140deg, #071018, #0f1c2a);
}

.error-section {
  padding-top: 0;
}

.error-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 26px;
  align-items: center;
  padding: 34px;
  border: 1px solid rgba(18, 25, 31, .08);
  border-radius: 30px;
  background: linear-gradient(180deg, #fff, #faf9f6);
  box-shadow: 0 20px 44px rgba(10, 20, 30, .08);
}

.error-code {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 164px;
  min-height: 164px;
  border-radius: 28px;
  background: radial-gradient(circle at 30% 25%, rgba(243, 198, 82, .35), transparent 40%), linear-gradient(180deg, #111a24, #0a1118);
  color: #fff;
  font-size: clamp(64px, 8vw, 96px);
  font-weight: 900;
  letter-spacing: -.05em;
}

.error-copy {
  display: grid;
  gap: 10px;
}

.error-copy strong {
  font-size: clamp(28px, 3vw, 46px);
  line-height: 1.02;
  color: #171b1f;
}

.error-copy p {
  margin: 0;
  color: #687078;
  font-size: 18px;
  line-height: 1.6;
}

.error-actions {
  display: flex;
  grid-column: 1 / -1;
  gap: 14px;
}

.error-actions .gold-button,
.error-actions .dark-button {
  min-width: 240px;
  min-height: 58px;
}

@media (max-width: 900px) {
  .detail-layout,
  .legal-layout {
    grid-template-columns: 1fr;
  }

  .detail-card,
  .legal-card--muted {
    position: static;
  }

  .detail-related-grid {
    grid-template-columns: 1fr 1fr;
  }

  .error-card {
    grid-template-columns: 1fr;
  }

  .error-code {
    min-width: 0;
    min-height: 132px;
  }

  .error-actions {
    flex-direction: column;
  }
}

@media (max-width: 600px) {
  .detail-hero {
    padding: 44px 0;
  }

  .detail-section,
  .detail-related {
    padding: 38px 0;
  }

  .detail-gallery {
    grid-template-columns: 1fr;
  }

  .detail-gallery img:first-child {
    grid-column: auto;
  }

  .detail-card,
  .legal-card {
    padding: 26px 20px 22px;
  }

  .detail-card h2,
  .legal-card h2 {
    margin-bottom: 18px;
    font-size: clamp(28px, 9vw, 42px);
  }

  .detail-card dl div,
  .legal-meta div {
    padding: 14px 0;
  }

  .detail-card .gold-button,
  .detail-card .dark-button {
    min-height: 54px;
    padding: 14px 18px;
  }

  .detail-related-grid {
    grid-template-columns: 1fr;
  }

  .error-card {
    padding: 22px;
  }

  .error-copy p,
  .legal-card p,
  .legal-list {
    font-size: 16px;
  }

  .error-actions .gold-button,
  .error-actions .dark-button {
    width: 100%;
    min-width: 0;
  }
}