/* ---------- Grid ---------- */
.cs-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-bottom: var(--space-lg);
}
.cs-filter {
  padding: 0.6em 1.3em;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border-dark);
  font-size: 0.82rem;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  transition: border-color var(--dur-fast), color var(--dur-fast), background var(--dur-fast);
}
.cs-filter.is-active, .cs-filter:hover { border-color: var(--color-accent); color: var(--color-accent); background: rgba(241,171,188,0.08); }

.cs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.cs-card {
  position: relative;
  display: block;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 4/5;
  background: radial-gradient(ellipse at 50% 30%, var(--ink-700), var(--ink-900));
}
.cs-card__media {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  padding: 1.6rem 1.6rem 4rem;
}
.cs-card__media .book-mockup { transition: transform 0.7s var(--ease-out); }
.cs-card:hover .cs-card__media .book-mockup { transform: translateY(-4px) scale(1.04); }
.cs-card__media video {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  transition: opacity 0.4s ease;
  opacity: 0;
  z-index: 1;
}
.cs-card:hover .cs-card__media video { opacity: 1; }

.cs-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11,25,86,0.05) 40%, rgba(11,25,86,0.95) 100%);
  z-index: 1;
}
.cs-card__body { position: absolute; left: 0; right: 0; bottom: 0; z-index: 2; padding: 1.6rem; }
.cs-card__genre { display: block; font-size: 0.72rem; letter-spacing: var(--tracking-eyebrow); text-transform: uppercase; color: var(--color-accent); margin-bottom: 0.5rem; }
.cs-card__title { font-family: var(--font-display); font-size: 1.3rem; }
.cs-card__client { font-size: 0.82rem; color: var(--text-on-dark-muted); margin-top: 0.3rem; }

/* ---------- Detail ---------- */
.cs-hero { position: relative; height: 78vh; min-height: 480px; overflow: hidden; }
.cs-hero__media { position: absolute; inset: 0; }
.cs-hero__media img, .cs-hero__media video { width: 100%; height: 100%; object-fit: cover; }
.cs-hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(11,25,86,0.2), var(--ink-950) 96%); }
.cs-hero__content { position: absolute; left: 0; right: 0; bottom: 0; z-index: 1; padding: var(--space-lg) var(--container-pad); max-width: var(--container-max); margin-inline: auto; }
.cs-hero__author { display: flex; align-items: center; gap: 0.8rem; margin-top: 0.6rem; }
.cs-hero__author-photo { width: 46px; height: 46px; border-radius: 50%; object-fit: cover; border: 1px solid rgba(255,255,255,0.35); }
.cs-hero__author p { margin: 0; }
.cs-hero__play {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 84px; height: 84px; border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.5);
  display: grid; place-items: center;
  color: #fff;
  z-index: 2;
  transition: transform var(--dur-fast) var(--ease-out), background var(--dur-fast);
}
.cs-hero__play:hover { background: rgba(255,255,255,0.1); transform: translate(-50%, -50%) scale(1.08); }

.cs-pullquote {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.5rem, 3vw, 2.4rem);
  line-height: 1.35;
  max-width: 42rem;
  margin-inline: auto;
  text-align: center;
  padding-block: var(--space-xl);
}
.cs-pullquote::before { content: "\201C"; color: var(--color-accent); }
.cs-pullquote::after { content: "\201D"; color: var(--color-accent); }

.cs-editorial {
  display: grid;
  grid-template-columns: 0.8fr 1.6fr;
  gap: var(--space-lg);
  align-items: start;
}
.cs-editorial__cover { position: sticky; top: 9rem; padding-block: 1rem; }
.cs-editorial__block { margin-bottom: var(--space-lg); }
.cs-editorial__block h3 { font-family: var(--font-display); font-size: 1.5rem; margin-bottom: 1rem; }
.cs-editorial__results { display: flex; flex-direction: column; gap: 0.9rem; }
.cs-editorial__results li { padding-left: 1.4rem; position: relative; }
.cs-editorial__results li::before { content: "\2726"; position: absolute; left: 0; color: var(--color-accent); }

.cs-links { display: flex; flex-wrap: wrap; gap: 0.7rem; }
.cs-links li { list-style: none; }
.cs-links a {
  display: inline-block;
  padding: 0.55em 1.1em;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border-light);
  font-size: 0.85rem;
  transition: border-color var(--dur-fast), color var(--dur-fast), background var(--dur-fast);
}
.cs-links a:hover { border-color: var(--color-accent); color: var(--color-accent); background: rgba(241,171,188,0.08); }

.cs-next {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-lg);
  border-top: 1px solid var(--color-border-dark);
}
.cs-next__label { font-size: 0.78rem; letter-spacing: var(--tracking-eyebrow); text-transform: uppercase; color: var(--color-accent); margin-bottom: 0.4rem; }
.cs-next__title { font-family: var(--font-display); font-size: 1.6rem; }

@media (max-width: 900px) {
  .cs-editorial { grid-template-columns: 1fr; }
  .cs-editorial__cover { position: static; max-width: 280px; }
}

/* "In Production" badge for case studies still underway (cover/manuscript
   work delivered, not yet publicly published). */
.cs-card__badge {
  position: absolute;
  top: 0.9rem;
  left: 0.9rem;
  z-index: 2;
  font-size: 0.68rem;
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--ink-900);
  background: var(--color-accent);
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  font-weight: 600;
}
.cs-hero__badge {
  display: inline-block;
  font-size: 0.7rem;
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--ink-900);
  background: var(--color-accent);
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  font-weight: 600;
  margin: 0.6rem 0 0.2rem;
}