/* ============================================================
   CASE STUDY template  ·  case-study.css   (needs base.css)
   ============================================================ */

.cs-wrap { padding: 0 var(--pad); }

/* ---------- Hero ---------- */
.cs-hero { padding: clamp(8rem, 16vw, 12rem) var(--pad) 0; }
.cs-hero__back {
  display: inline-flex; align-items: center; gap: 0.5rem; font-size: 0.8rem;
  color: var(--cream-dim); margin-bottom: clamp(2rem, 5vw, 3.5rem);
}
.cs-hero__back:hover { color: var(--accent); }
.cs-hero__eyebrow { font-size: 0.74rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--accent); }
.cs-hero__title {
  font-family: var(--ff-display); font-weight: 700;
  font-size: clamp(3.4rem, 13vw, 11rem); line-height: 0.86; letter-spacing: -0.04em; margin: 1rem 0;
}
.cs-hero__title em { font-family: var(--ff-serif); font-style: italic; font-weight: 400; color: var(--accent); }
.cs-hero__sub { max-width: 52ch; color: var(--cream-dim); font-size: clamp(1.05rem, 1.5vw, 1.35rem); }

.cs-hero__media {
  margin-top: clamp(2.5rem, 6vw, 4.5rem); aspect-ratio: 16/9; overflow: hidden; border-radius: 8px;
  background: var(--ink-soft);
}
.cs-hero__media img { transform: scale(1.05); }

/* ---------- Meta bar ---------- */
.cs-meta {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(1.5rem, 4vw, 3rem);
  padding: clamp(2rem, 5vw, 3.2rem) var(--pad);
  border-bottom: 1px solid var(--line); margin-top: clamp(2.5rem, 6vw, 4.5rem);
}
.cs-meta div { display: flex; flex-direction: column; gap: 0.5rem; }
.cs-meta dt { font-size: 0.7rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); }
.cs-meta dd { font-size: clamp(0.95rem, 1.4vw, 1.15rem); color: var(--cream); }
.cs-meta a:hover { color: var(--accent); }

/* ---------- Sections ---------- */
.cs-section { padding: clamp(4rem, 10vw, 8rem) 0; }
.cs-overview {
  display: grid; grid-template-columns: 0.4fr 1fr; gap: clamp(1.5rem, 5vw, 4rem); align-items: start;
  padding: 0 var(--pad);
}
.cs-overview__label { font-size: 0.74rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); padding-top: 0.6rem; }
.cs-lead {
  font-family: var(--ff-display); font-weight: 500;
  font-size: clamp(1.5rem, 3.4vw, 2.6rem); line-height: 1.18; letter-spacing: -0.02em;
}
.cs-lead em { font-family: var(--ff-serif); font-style: italic; color: var(--accent); }
.cs-body { display: flex; flex-direction: column; gap: 1.2rem; margin-top: 2rem; max-width: 60ch; }
.cs-body p { color: var(--cream-dim); font-size: clamp(1rem, 1.2vw, 1.1rem); }

/* ---------- Media ---------- */
.cs-figure { margin: clamp(1rem, 3vw, 2rem) 0; overflow: hidden; border-radius: 8px; background: var(--ink-soft); }
.cs-figure--bleed { margin-left: var(--pad); margin-right: var(--pad); aspect-ratio: 16/9; }
.cs-figure--tall { aspect-ratio: 3/4; }
.cs-figure img { will-change: transform; }
.cs-duo { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1rem, 2.5vw, 2rem); padding: 0 var(--pad); }
.cs-duo .cs-figure { aspect-ratio: 4/5; margin: 0; }
.cs-cap { padding: 0 var(--pad); margin-top: 1rem; font-size: 0.82rem; color: var(--muted); }

/* ---------- Quote ---------- */
.cs-quote { padding: clamp(4rem, 9vw, 7rem) var(--pad); text-align: center; }
.cs-quote p {
  font-family: var(--ff-serif); font-style: italic; font-weight: 400;
  font-size: clamp(1.8rem, 5vw, 4rem); line-height: 1.12; max-width: 22ch; margin: 0 auto; letter-spacing: -0.01em;
}
.cs-quote span { display: block; margin-top: 2rem; font-family: var(--ff-sans); font-style: normal; font-size: 0.8rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); }

/* ---------- Stats band ---------- */
.cs-stats {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem;
  padding: clamp(3rem, 7vw, 5rem) var(--pad); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.cs-stat { text-align: center; }
.cs-stat b { font-family: var(--ff-display); font-weight: 700; font-size: clamp(2.6rem, 7vw, 5rem); letter-spacing: -0.03em; line-height: 1; display: block; }
.cs-stat span { font-size: 0.78rem; color: var(--muted); letter-spacing: 0.04em; margin-top: 0.6rem; display: block; }

/* ---------- Next project ---------- */
.cs-next {
  position: relative; display: block; padding: clamp(4rem, 11vw, 9rem) var(--pad);
  text-align: center; overflow: hidden; isolation: isolate;
}
.cs-next__label { font-size: 0.74rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--cream-dim); }
.cs-next__title {
  font-family: var(--ff-display); font-weight: 700;
  font-size: clamp(3rem, 11vw, 9rem); line-height: 0.9; letter-spacing: -0.04em; margin-top: 1rem;
  transition: color .5s var(--ease), letter-spacing .5s var(--ease);
}
.cs-next:hover .cs-next__title { color: var(--accent); letter-spacing: -0.02em; }

/* ---------- Responsive ---------- */
@media (max-width: 820px) {
  .cs-meta { grid-template-columns: repeat(2, 1fr); }
  .cs-overview { grid-template-columns: 1fr; }
  .cs-duo { grid-template-columns: 1fr; }
  .cs-stats { grid-template-columns: 1fr; gap: 2.5rem; }
}