/* case.css — Settl case-study layout. Loaded after page.css. */

.case-hero { padding: 80px 0 64px; border-bottom: 1px solid var(--hairline); }
.case-crumb { display: flex; gap: 12px; align-items: baseline;
  font-size: 12px; color: var(--fg-muted); margin-bottom: 32px; }
.case-crumb a { color: var(--fg-muted); }
.case-crumb a:hover { color: var(--accent); }
.case-h { max-width: 16ch; }
.case-h em { color: var(--accent); }
.case-meta {
  display: grid; grid-template-columns: repeat(4, auto);
  gap: 48px; margin-top: 56px;
  border-top: 1px solid var(--hairline); padding-top: 32px;
}
@media (max-width: 720px) { .case-meta { grid-template-columns: 1fr 1fr; gap: 24px; } }
.case-meta > div { display: flex; flex-direction: column; gap: 6px; font-size: 14px; }

/* Body shell with sticky section nav --------------------------------------- */
.case-body-shell {
  max-width: var(--maxw); margin: 0 auto; padding: 0 32px;
  display: grid; grid-template-columns: 200px 1fr; gap: 64px;
}
@media (max-width: 980px) {
  .case-body-shell { grid-template-columns: 1fr; gap: 0; padding: 0 20px; }
}

.section-nav {
  position: sticky; top: 96px; align-self: start;
  padding-top: 64px; font-size: 13px;
}
@media (max-width: 980px) { .section-nav { display: none; } }
.section-nav-head { margin-bottom: 16px; }
.section-nav ol {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-direction: column; gap: 8px;
  border-left: 1px solid var(--hairline); padding-left: 16px;
}
.section-nav a { display: flex; gap: 10px; align-items: baseline;
  color: var(--fg-muted); transition: color .12s ease; }
.section-nav a span:first-child { font-size: 10px; color: var(--fg-muted); }
.section-nav a:hover { color: var(--fg); }
.section-nav li.on a { color: var(--accent); }
.section-nav li.on a span:first-child { color: var(--accent); }

/* Sections ---------------------------------------------------------------- */
.case-content { padding-bottom: 80px; }
.case-section { padding: 64px 0; border-top: 1px solid var(--hairline); }
.case-section:first-child { border-top: 0; }
.case-grid {
  display: grid; grid-template-columns: 140px 1fr; gap: 32px;
}
@media (max-width: 880px) { .case-grid { grid-template-columns: 1fr; gap: 16px; } }
.case-side { padding-top: 4px; }
.case-main { max-width: 64ch; }
.case-section-wide .case-main { max-width: none; }

.case-lead {
  font-size: clamp(20px, 1.6vw, 26px);
  line-height: 1.4; margin: 0 0 28px;
  text-wrap: pretty;
}
.case-lead em { color: var(--accent); font-style: italic; }
.case-body { font-size: 17px; line-height: 1.6; color: var(--fg-soft); margin: 0 0 16px; max-width: 64ch; }

/* Stats ------------------------------------------------------------------- */
.case-stats {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 48px;
  border-top: 1px solid var(--hairline); padding-top: 40px;
}
@media (max-width: 720px) { .case-stats { grid-template-columns: 1fr; gap: 32px; } }
.case-stat { display: flex; flex-direction: column; gap: 12px; }
.case-stat-n { font-size: clamp(56px, 6vw, 88px); line-height: 1; }
.case-stat-label { color: var(--fg-soft); font-size: 14px; max-width: 28ch; }

/* Definitions ------------------------------------------------------------- */
.case-defs { margin: 0; padding: 0; display: flex; flex-direction: column; }
.case-def {
  display: grid; grid-template-columns: 130px 1fr; gap: 24px;
  padding: 18px 0; border-top: 1px solid var(--hairline);
  align-items: baseline;
}
.case-def:first-child { border-top: 0; padding-top: 0; }
.case-def dt {
  font-size: 11px; color: var(--fg-muted);
  letter-spacing: 0.08em; text-transform: uppercase;
}
.case-def dd { margin: 0; font-size: 16px; line-height: 1.55; color: var(--fg); }
@media (max-width: 540px) { .case-def { grid-template-columns: 1fr; gap: 6px; } }

/* Architecture ------------------------------------------------------------ */
.arch-shell {
  display: grid; grid-template-columns: 1.5fr 1fr; gap: 32px; margin-top: 32px;
  border: 1px solid var(--hairline); background: var(--bg-soft);
}
@media (max-width: 980px) { .arch-shell { grid-template-columns: 1fr; } }
.arch-figure {
  padding: 24px; border-right: 1px solid var(--hairline); color: var(--fg-soft);
  display: flex; align-items: center; justify-content: center; min-height: 360px;
}
@media (max-width: 980px) { .arch-figure { border-right: 0; border-bottom: 1px solid var(--hairline); } }
.arch-svg { width: 100%; height: auto; max-height: 480px; }
.arch-svg .arch-node:hover rect { stroke-opacity: 1; }
.arch-svg .arch-node:hover text { fill-opacity: 1; }

.arch-detail { padding: 32px; display: flex; flex-direction: column; gap: 12px; }
.arch-detail-h { font-family: var(--font-display); font-size: 28px;
  margin: 0; letter-spacing: -0.018em; }
.arch-detail p { color: var(--fg-soft); font-size: 15px; line-height: 1.55; margin: 0; }
.arch-detail-keys {
  display: flex; flex-wrap: wrap; gap: 6px; margin-top: 16px;
  padding-top: 16px; border-top: 1px solid var(--hairline);
  font-size: 11px;
}
.arch-detail-keys button {
  appearance: none; background: transparent; border: 1px solid var(--hairline);
  padding: 4px 8px; color: var(--fg-muted); cursor: pointer;
  font: inherit; font-size: 11px; transition: color .1s, border-color .1s;
}
.arch-detail-keys button:hover { color: var(--fg); border-color: var(--hairline-strong); }
.arch-detail-keys button.on {
  color: var(--bg); background: var(--accent); border-color: var(--accent);
}

/* Beats (approach narrative) ---------------------------------------------- */
.case-beats { list-style: none; padding: 0; margin: 0;
  display: flex; flex-direction: column; }
.case-beat {
  display: grid; grid-template-columns: 90px 1fr; gap: 32px;
  padding: 28px 0; border-top: 1px solid var(--hairline);
  align-items: start;
}
.case-beat:first-child { border-top: 0; padding-top: 8px; }
.case-beat-tag { font-size: 11px; color: var(--accent); letter-spacing: 0.1em; padding-top: 6px; }
.case-beat-h { font-family: var(--font-display); font-size: 26px; margin: 0 0 8px; line-height: 1.1; letter-spacing: -0.018em; }
.case-beat-body p { margin: 0; color: var(--fg-soft); font-size: 16px; line-height: 1.6; }
@media (max-width: 540px) { .case-beat { grid-template-columns: 1fr; gap: 8px; } }

/* Stack ------------------------------------------------------------------- */
.case-stack {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 0;
  border: 1px solid var(--hairline);
}
@media (max-width: 720px) { .case-stack { grid-template-columns: 1fr 1fr; } }
.case-stack-col {
  padding: 20px; border-left: 1px solid var(--hairline); border-top: 1px solid var(--hairline);
}
.case-stack-col:nth-child(1), .case-stack-col:nth-child(2), .case-stack-col:nth-child(3) { border-top: 0; }
.case-stack-col:nth-child(3n+1) { border-left: 0; }
@media (max-width: 720px) {
  .case-stack-col:nth-child(3n+1) { border-left: 1px solid var(--hairline); }
  .case-stack-col:nth-child(2n+1) { border-left: 0; }
  .case-stack-col:nth-child(3) { border-top: 1px solid var(--hairline); }
}
.case-stack-h { font-size: 11px; color: var(--fg-muted);
  margin: 0 0 12px; letter-spacing: 0.1em; text-transform: uppercase; }
.case-stack-col ul { list-style: none; padding: 0; margin: 0;
  display: flex; flex-direction: column; gap: 6px;
  font-size: 14px; color: var(--fg); }

/* "What it does" — feature columns mirror the stack table treatment.        */
.settl-feat {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 0;
  border: 1px solid var(--hairline);
}
@media (max-width: 720px) { .settl-feat { grid-template-columns: 1fr 1fr; } }
.settl-feat-col {
  padding: 20px; border-left: 1px solid var(--hairline); border-top: 1px solid var(--hairline);
}
.settl-feat-col:nth-child(1), .settl-feat-col:nth-child(2), .settl-feat-col:nth-child(3) { border-top: 0; }
.settl-feat-col:nth-child(3n+1) { border-left: 0; }
@media (max-width: 720px) {
  .settl-feat-col:nth-child(3n+1) { border-left: 1px solid var(--hairline); }
  .settl-feat-col:nth-child(2n+1) { border-left: 0; }
  .settl-feat-col:nth-child(3) { border-top: 1px solid var(--hairline); }
}
.settl-feat-col ul { list-style: none; padding: 0; margin: 0;
  display: flex; flex-direction: column; gap: 6px;
  font-size: 14px; color: var(--fg); }

/* Methodology -------------------------------------------------------------- */
.meth-stages { list-style: none; padding: 0; margin: 24px 0 32px;
  display: flex; flex-direction: column; gap: 0;
  border-top: 1px solid var(--hairline); }
.meth-stage { display: grid; grid-template-columns: 80px 1fr; gap: 24px;
  padding: 20px 0; border-bottom: 1px solid var(--hairline); }
.meth-stage-n { font-size: 11px; color: var(--accent); letter-spacing: 0.1em; padding-top: 4px; }
.meth-stage-h { font-family: var(--font-display); font-weight: 500;
  font-size: 22px; margin: 0 0 6px; letter-spacing: -0.01em; }
.meth-stage p { margin: 0; color: var(--fg-soft); font-size: 15px; line-height: 1.55; }

.meth-h3 { font-family: var(--font-display); font-weight: 500;
  font-size: 22px; letter-spacing: -0.01em;
  margin: 36px 0 12px; }
.meth-bullets { padding-left: 18px; margin: 12px 0 8px;
  display: flex; flex-direction: column; gap: 8px;
  font-size: 15px; color: var(--fg); line-height: 1.6; }
.meth-bullets li::marker { color: var(--accent); }

.meth-foryou { margin-top: 32px; padding: 20px 22px;
  border-left: 2px solid var(--accent);
  background: var(--bg-soft, transparent); }
.meth-foryou .eyebrow { color: var(--accent); margin-bottom: 8px; }
.meth-foryou p { margin: 0; font-size: 15px; line-height: 1.6; color: var(--fg); }

/* Quote ------------------------------------------------------------------- */
.case-quote-section { background: var(--bg-soft); border-top-color: var(--hairline-strong); }
.case-quote { font-style: italic; max-width: 28ch; margin: 0; }
html.dir-brutalist .case-quote { font-style: normal; }
.case-quote-meta { color: var(--fg-muted); font-size: 13px; margin-top: 24px; }

/* Read next --------------------------------------------------------------- */
.case-next {
  border-top: 1px solid var(--hairline);
  padding: var(--pad-section) 0;
}
.case-next-card {
  display: flex; align-items: center; justify-content: space-between;
  padding: 32px 0; margin-top: 16px;
  border-top: 1px solid var(--hairline); border-bottom: 1px solid var(--hairline);
  transition: color .12s ease;
}
.case-next-card:hover { color: var(--accent); }
.case-next-client { color: var(--fg-muted); font-size: 11px;
  letter-spacing: 0.14em; text-transform: uppercase; margin-bottom: 10px; }
.case-next-arrow { font-size: 24px; color: var(--fg-muted); transition: transform .15s ease, color .15s ease; }
.case-next-card:hover .case-next-arrow { color: var(--accent); transform: translateX(6px); }