/* ============================================================
   case-simple.css — quiet single-column case study layout
   (experiment: Rahul Jain-style flow, V12 tokens/fonts)
   Loads AFTER portfolio.css; uses its :root tokens.
   ============================================================ */

.cs { padding-top: calc(var(--nav-h) + clamp(32px, 6vh, 72px)); }

.cs-wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 var(--gut);
}

.cs-back {
  display: inline-block;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
  margin-bottom: clamp(28px, 4vh, 48px);
}
.cs-back:hover { color: var(--accent); }

/* ── Title row: name + dates left, summary right ─────────── */
.cs-top {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: clamp(28px, 4vw, 64px);
  align-items: start;
  margin-bottom: clamp(28px, 4vh, 44px);
}
.cs-top h1 {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(32px, 3vw, 40px);
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--ink);
  margin-bottom: 10px;
}
.cs-top .cs-dates {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}
.cs-top .cs-summary {
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink);
  padding-top: 8px;
}

/* ── Hero: media fills the rounded container edge-to-edge ── */
.cs-hero {
  background: var(--accent-soft);
  border-radius: 24px;
  overflow: hidden;
  margin-bottom: clamp(40px, 6vh, 72px);
}
.cs-hero img,
.cs-hero video {
  display: block;
  width: 100%;
  height: auto;
}

/* ── Signature pull-quote line (kept from the monograph cut) ── */
.cs-pull {
  max-width: 680px;
  margin: 0 auto clamp(48px, 7vh, 80px);
  padding: 0 var(--gut);
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(20px, 2vw, 24px);
  line-height: 1.35;
  letter-spacing: -0.018em;
  color: var(--ink);
}
.cs-pull em,
.cs-pull .it {
  font-style: normal;
  color: var(--accent);
}

/* ── Narrow reading column ───────────────────────────────── */
.cs-col {
  max-width: 680px;
  margin: 0 auto;
  padding: 0 var(--gut);
}
.cs-col h2 {
  font-family: var(--display);
  font-weight: 700;
  font-size: 24px;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--ink);
  margin: clamp(56px, 8vh, 88px) 0 16px;
}
.cs-col h2:first-child { margin-top: 0; }
.cs-col p {
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  margin-bottom: 16px;
}
.cs-col p:last-child { margin-bottom: 0; }

/* ── Two-up mini cards (background highlights) ───────────── */
.cs-cards2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 28px 0 8px;
}
.cs-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 20px;
}
.cs-card .cs-card__k {
  display: block;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}
.cs-card p {
  font-size: 14px;
  line-height: 1.5;
  color: var(--muted);
  margin: 0;
}

/* ── Breakout figures: wider than the text column ────────── */
.cs-fig {
  width: min(960px, calc(100% - 2 * var(--gut)));
  margin: clamp(36px, 5vh, 56px) auto;
}
.cs-fig img,
.cs-fig video {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 12px;
  border: 1px solid var(--line-2);
}
.cs-fig figcaption {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--muted);
  text-align: center;
  margin-top: 12px;
}
.cs-fig2 {
  width: min(960px, calc(100% - 2 * var(--gut)));
  margin: clamp(36px, 5vh, 56px) auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(16px, 2vw, 28px);
}
.cs-fig2 figure { margin: 0; }
.cs-fig2 img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 12px;
  border: 1px solid var(--line-2);
}
.cs-fig2 figcaption {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--muted);
  text-align: center;
  margin-top: 12px;
}

/* ── Interactive embeds (IA explorations) ────────────────── */
.cs-embed {
  width: min(960px, calc(100% - 2 * var(--gut)));
  margin: clamp(36px, 5vh, 56px) auto;
}
.cs-embed iframe {
  display: block;
  width: 100%;
  border: 1px solid var(--line-2);
  border-radius: 12px;
  background: var(--paper);
}

/* ── Inline stats row (73% / 65% / 42% style) ────────────── */
.cs-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: clamp(20px, 3vw, 40px);
  margin: clamp(36px, 5vh, 56px) 0;
  padding: clamp(24px, 3vw, 36px) 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.cs-stat__n {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(32px, 3vw, 40px);
  letter-spacing: -0.03em;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
}
.cs-stat__d {
  font-size: 14px;
  line-height: 1.45;
  color: var(--muted);
  margin: 0;
}

/* ── Key decisions cards, 3-up ───────────────────────────── */
.cs-calls {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 28px 0;
}
.cs-call {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 20px;
  background: var(--paper);
}
.cs-call h3 {
  font-family: var(--display);
  font-weight: 600;
  font-size: 16px;
  letter-spacing: -0.014em;
  line-height: 1.35;
  color: var(--ink);
  margin-bottom: 8px;
}
.cs-call p {
  font-size: 14px;
  line-height: 1.5;
  color: var(--muted);
  margin: 0;
}

/* ── Next project link ───────────────────────────────────── */
.cs-next {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  max-width: 680px;
  margin: clamp(56px, 8vh, 88px) auto clamp(56px, 8vh, 88px);
  padding: 24px var(--gut) 0;
  border-top: 1px solid var(--line);
}
.cs-next .cs-next__k {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}
.cs-next a {
  font-family: var(--display);
  font-weight: 700;
  font-size: 24px;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.cs-next a:hover { color: var(--accent); }

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 860px) {
  .cs-top { grid-template-columns: 1fr; gap: 16px; }
  .cs-calls { grid-template-columns: 1fr; }
  .cs-stats { grid-template-columns: 1fr; gap: 24px; }
  .cs-fig2 { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .cs-cards2 { grid-template-columns: 1fr; }
}