/* =============================================
   Service Detail — Dark Theme
   ============================================= */

.page-service-detail {
  background: var(--color-bg);
  color: var(--color-white);
}

.page-breadcrumb a {
  transition: color 0.3s ease;
}

.page-breadcrumb a:hover {
  color: var(--color-accent);
}

/* ---- Featured ---- */

.sd-featured {
  padding: 3rem 0 0;
  background: var(--color-bg);
}

.sd-featured-img {
  overflow: hidden;
}

.sd-featured-img img {
  display: block;
  width: 100%;
  max-height: 520px;
  object-fit: cover;
  object-position: center;
  transition: transform 0.65s ease;
}

.sd-featured-img:hover img {
  transform: scale(1.02);
}

/* ---- Intro ---- */

.sd-intro {
  padding: 3.5rem 0;
  background: var(--color-bg);
}

.sd-red-heading {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 700;
  color: var(--color-accent);
  margin: 0 0 1.25rem;
}

.sd-text {
  font-size: 0.92rem;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.6);
  margin: 0;
}

.sd-text--spaced {
  margin-top: 1rem;
}

.sd-hero-category {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin: 0 0 0.75rem;
}

.sd-video-thumb--link {
  display: block;
  text-decoration: none;
}

.sd-video-thumb--link:hover .sd-video-play {
  background: var(--color-accent-hover);
}

.sd-video-block {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.sd-video-thumb {
  position: relative;
  flex-shrink: 0;
  width: 140px;
  height: 90px;
  padding: 0;
  border: none;
  border-radius: 999px;
  overflow: hidden;
  cursor: pointer;
  background: var(--color-bg);
}

.sd-video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.85;
  transition: opacity 0.35s ease, transform 0.45s ease;
}

.sd-video-thumb:hover img {
  opacity: 1;
  transform: scale(1.06);
}

.sd-video-play {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.35);
  color: var(--color-white);
  font-size: 1.5rem;
}

.sd-video-play i {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-accent);
  padding-left: 2px;
}

.sd-video-quote {
  font-size: 0.88rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.55);
  font-style: italic;
  margin: 0;
}

/* ---- Features ---- */

.sd-features {
  padding: 3rem 0 4rem;
  background: var(--color-bg);
}

.sd-section-heading {
  font-size: clamp(1.75rem, 3vw, 2.35rem);
  font-weight: 700;
  color: rgba(255, 255, 255, 0.85);
  margin: 0 0 1.25rem;
}

.sd-cards {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.sd-card {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 0.35rem 1.25rem;
  padding: 1.75rem 1.5rem;
  background: var(--color-surface-elevated);
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: border-color 0.35s ease, transform 0.35s ease;
}

.sd-card:hover {
  border-color: rgba(var(--color-accent-rgb), 0.35);
  transform: translateX(6px);
}

.sd-card-num {
  grid-row: 1 / 3;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.2);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-white);
}

.sd-card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-white);
  margin: 0;
}

.sd-card-text {
  grid-column: 2;
  font-size: 0.86rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.55);
  margin: 0;
}

/* ---- Service List ---- */

.sd-list-section {
  padding: 4rem 0;
  background: var(--color-surface);
}

.sd-list-image {
  overflow: hidden;
}

.sd-list-image img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform 0.55s ease;
}

.sd-list-image:hover img {
  transform: scale(1.04);
}

.sd-service-list {
  position: relative;
  padding-right: 4rem;
}

.sd-service-list li {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.92rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.82);
  margin-bottom: 0.85rem;
  transition: color 0.3s ease, padding-left 0.3s ease;
}

.sd-service-list li:hover {
  color: var(--color-accent);
  padding-left: 4px;
}

.sd-service-list .bi-chevron-right {
  color: var(--color-accent);
  font-size: 0.75rem;
}

.sd-list-cta {
  position: absolute;
  bottom: 0;
  right: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--color-accent);
  color: var(--color-white);
  font-size: 1.15rem;
  text-decoration: none;
  transition: background 0.35s ease, transform 0.35s ease;
}

.sd-list-cta:hover {
  background: var(--color-accent-hover);
  color: var(--color-white);
  transform: scale(1.08);
}

/* ---- Author Bar ---- */

.sd-author {
  padding: 0 0 4rem;
  background: var(--color-surface);
}

.sd-author-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.sd-author-info {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.sd-author-avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(255, 255, 255, 0.15);
}

.sd-author-name {
  display: block;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-white);
}

.sd-author-role {
  display: block;
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.45);
  margin-top: 0.15rem;
}

.sd-author-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
  text-decoration: none;
  transition: background 0.35s ease, color 0.35s ease;
}

.sd-author-link:hover {
  background: var(--color-accent);
  color: var(--color-white);
}

/* ---- Reveal ---- */

[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

.sd-cards .sd-card:nth-child(2).is-visible { transition-delay: 0.1s; }
.sd-cards .sd-card:nth-child(3).is-visible { transition-delay: 0.2s; }

@media (max-width: 991.98px) {
  .sd-featured {
    padding-top: 2rem;
  }

  .sd-intro,
  .sd-features,
  .sd-list-section {
    padding: 3rem 0;
  }

  .sd-video-block {
    flex-direction: column;
    align-items: flex-start;
  }

  .sd-service-list {
    padding-right: 0;
    padding-bottom: 4rem;
  }

  .sd-list-cta {
    bottom: 0;
    left: 0;
    right: auto;
  }
}

@media (max-width: 575.98px) {
  .sd-card {
    grid-template-columns: 40px 1fr;
    padding: 1.25rem;
  }

  .sd-card-num {
    width: 40px;
    height: 40px;
    font-size: 0.9rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}