/* =========================================================
   BiG. Campaign detail pages.
   Reuses the global type scale and header/footer from styles.css.
   Colour comes from the per-page --brand-* vars set on <body>,
   so each client keeps its own universe. No limewash purple here.
   ========================================================= */

body.campaign-page {
  --cp-bg: #f6f4ef;
  --cp-ink: #14141a;
  --cp-ink-soft: #4a4a55;
  --cp-rule: rgba(20, 20, 26, 0.14);
  background: var(--cp-bg);
  color: var(--cp-ink);
}

body.campaign-page--dark {
  --cp-bg: #0b0d12;
  --cp-ink: #f2f0eb;
  --cp-ink-soft: rgba(242, 240, 235, 0.72);
  --cp-rule: rgba(242, 240, 235, 0.18);
}

body.campaign-page .site-header {
  background-color: var(--brand-deep, #14141a);
  background-image: none;
}

.cp-wrap {
  max-width: 900px;
  margin: 0 auto;
  padding: calc(var(--header-height) + 3rem) var(--site-gutter) 0;
}

/* Breadcrumb */
.cp-crumbs {
  font-family: var(--font-body);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--cp-ink-soft);
  margin-bottom: 3rem;
}
.cp-crumbs a { border-bottom: 1px solid var(--cp-rule); }
.cp-crumbs a:hover { color: var(--brand-primary, var(--cp-ink)); }
.cp-crumbs span { margin: 0 0.5rem; }
.cp-crumbs span[aria-current] { margin-left: 0; }

/* Hero */
.cp-hero { margin-bottom: 3rem; }
.cp-hero__kicker {
  display: block;
  font-family: var(--font-body);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--brand-ink, var(--cp-ink-soft));
  margin-bottom: 1.1rem;
}
.cp-hero__title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(2.2rem, 6vw, 4.2rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
  text-transform: none;
  color: var(--cp-ink);
  margin-bottom: 1rem;
}
.cp-hero__sub {
  font-family: var(--font-body);
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  line-height: 1.5;
  color: var(--cp-ink-soft);
  max-width: 44ch;
}

/* Film */
.cp-film {
  position: relative;
  padding-top: 56.25%;
  margin: 0 0 3.5rem;
  background: #000;
}
.cp-film iframe {
  position: absolute; inset: 0;
  width: 100%; height: 100%; border: 0;
}

/* Body copy */
.cp-body { margin-bottom: 3.5rem; }
.cp-sec { margin-bottom: 2.4rem; }
.cp-sec h2 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--brand-ink, var(--cp-ink-soft));
  margin-bottom: 0.7rem;
}
.cp-sec p {
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.72;
  color: var(--cp-ink);
  max-width: 68ch;
}
.cp-sec a { border-bottom: 1px solid var(--brand-primary); }

/* Stills */
.cp-stills {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.6rem;
  margin-bottom: 3.5rem;
}
.cp-stills figure { margin: 0; }
.cp-stills img { width: 100%; height: 100%; object-fit: cover; }
@media (max-width: 700px) {
  .cp-stills { grid-template-columns: 1fr; }
}

/* Link into the deeper case study */
.cp-deeper {
  border-top: 2px solid var(--brand-primary);
  border-bottom: 1px solid var(--cp-rule);
  padding: 1.6rem 0 1.8rem;
  margin-bottom: 3rem;
}
.cp-deeper__label {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cp-ink-soft);
  margin-bottom: 0.6rem;
}
.cp-deeper__link {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: clamp(1.15rem, 2.4vw, 1.7rem);
  line-height: 1.2;
  text-transform: none;
  color: var(--cp-ink);
}
.cp-deeper__link:hover { color: var(--brand-primary); }

/* Related */
.cp-related { margin-bottom: 3.5rem; }
.cp-related h2 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cp-ink-soft);
  margin-bottom: 0.9rem;
}
.cp-related ul { list-style: none; }
.cp-related li { border-bottom: 1px solid var(--cp-rule); }
.cp-related a {
  display: block;
  padding: 0.85rem 0;
  font-size: 1rem;
  color: var(--cp-ink);
}
.cp-related a:hover { color: var(--brand-primary); }

/* Index groups */
.cp-group { margin-bottom: 3rem; }
.cp-group__title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--purple-mid);
  padding-bottom: 0.6rem;
  border-bottom: 2px solid var(--purple-mid);
  margin-bottom: 0.5rem;
}
.cp-list { list-style: none; }
.cp-list__item {
  padding: 1.15rem 0;
  border-bottom: 1px solid var(--cp-rule);
}
.cp-list__link {
  display: block;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: clamp(1.1rem, 2.4vw, 1.5rem);
  line-height: 1.2;
  text-transform: none;
  color: var(--cp-ink);
}
.cp-list__link:hover { color: var(--purple-mid); }
.cp-list__sub {
  display: block;
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--cp-ink-soft);
  margin-top: 0.3rem;
}
.cp-list__case {
  display: block;
  font-size: 0.82rem;
  color: var(--cp-ink-soft);
  margin-top: 0.5rem;
}
.cp-list__case a { border-bottom: 1px solid var(--cp-rule); }
.cp-list__case a:hover { color: var(--purple-mid); }

/* Close + pager */
.cp-close {
  border-top: 1px solid var(--cp-rule);
  padding: 2.5rem 0 2rem;
}
.cp-close p {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: clamp(1.2rem, 2.6vw, 1.8rem);
  line-height: 1.25;
  text-transform: none;
  max-width: 34ch;
  margin-bottom: 1.4rem;
  color: var(--cp-ink);
}
.cp-close__cta {
  display: inline-block;
  padding: 0.85rem 1.6rem;
  background: var(--brand-primary, var(--purple-mid));
  color: #fff;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.cp-close__cta:hover { opacity: 0.86; }

.cp-pager {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  border-top: 1px solid var(--cp-rule);
  padding: 1.4rem 0 3.5rem;
  font-size: 0.85rem;
  color: var(--cp-ink-soft);
}
.cp-pager a:hover { color: var(--brand-primary); }

body.campaign-index .cp-close__cta { background: var(--purple-mid); }
