/* ===========================================================
   Case file page — long-form, editorial. Reuses tokens, fonts,
   header, buttons, and the [data-reveal] observer from styles.css.
   =========================================================== */

.case-main {
  width: min(var(--container), calc(100% - 48px));
  margin: 0 auto;
  padding-top: 124px;
}

.case-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 36px;
  color: var(--muted-strong);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.82rem;
  font-weight: 600;
  transition: gap 160ms var(--ease-out), color 160ms var(--ease-out);
}

.case-back:hover,
.case-back:focus-visible {
  gap: 12px;
  color: var(--brick);
  outline: none;
}

/* ---------- Hero / title block ---------- */
.case-hero {
  max-width: 820px;
  padding-bottom: 44px;
  margin-bottom: 56px;
  border-bottom: 1px solid var(--line);
}

.case-hero h1 {
  margin: 8px 0 0;
  font-size: clamp(2.6rem, 6vw, 4.6rem);
  font-weight: 800;
  letter-spacing: -0.035em;
}

.case-dek {
  max-width: 680px;
  margin: 22px 0 0;
  color: var(--ink-soft);
  font-size: clamp(1.1rem, 1.6vw, 1.42rem);
  line-height: 1.5;
  letter-spacing: -0.01em;
}

.case-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin: 40px 0 0;
}

.case-meta dt {
  color: var(--brick);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.case-meta dd {
  margin: 8px 0 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.45;
}

/* ---------- Body / sections ---------- */
.case-body {
  max-width: 720px;
  margin: 0 auto;
  padding-bottom: 40px;
}

.case-section {
  margin-bottom: 72px;
}

.step {
  margin: 0 0 14px;
  color: var(--brick);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.case-section h2 {
  font-size: clamp(1.55rem, 2.6vw, 2.15rem);
  line-height: 1.12;
  letter-spacing: -0.022em;
}

.case-section p {
  margin: 20px 0 0;
  color: var(--muted-strong);
  font-size: 1.12rem;
  line-height: 1.7;
}

.case-section p em {
  color: var(--ink);
  font-style: italic;
}

/* ---------- Reframe contrast block ---------- */
.reframe {
  display: grid;
  grid-template-columns: 1fr auto 1.3fr;
  align-items: center;
  gap: 24px;
  margin: 36px 0;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--paper-strong);
  box-shadow: var(--shadow-sm);
}

.reframe-label {
  margin: 0 0 10px !important;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.reframe-col.asked .reframe-label { color: var(--muted); }
.reframe-col.needed .reframe-label { color: var(--forest); }

.reframe-text {
  margin: 0 !important;
  color: var(--ink) !important;
  font-size: 1.05rem !important;
  line-height: 1.5 !important;
  font-weight: 600;
}

.reframe-col.asked .reframe-text {
  color: var(--muted-strong) !important;
  font-weight: 500;
}

.reframe-arrow {
  color: var(--brick);
  font-size: 1.6rem;
}

/* ---------- Constraint list ---------- */
.constraint-list {
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.constraint-list li {
  position: relative;
  padding: 18px 20px 18px 22px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--brick);
  border-radius: var(--radius-md);
  background: var(--paper-strong);
  color: var(--muted-strong);
  font-size: 1.02rem;
  line-height: 1.6;
}

.constraint-list strong {
  color: var(--ink);
  font-weight: 700;
}

/* ---------- Pipeline ---------- */
.pipeline {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 32px 0;
  padding: 0;
  list-style: none;
  counter-reset: none;
}

.pipeline li {
  position: relative;
  flex: 1 1 auto;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--paper-strong);
  color: var(--ink);
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.pipeline li span {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  flex: 0 0 24px;
  border-radius: 6px;
  background: rgba(31, 61, 47, 0.1);
  color: var(--forest);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.7rem;
}

.pipeline li:not(:last-child)::after {
  content: "→";
  position: absolute;
  right: -14px;
  color: var(--line-strong);
  font-weight: 700;
}

/* ---------- Terminal ---------- */
.terminal {
  margin: 32px 0;
  overflow: hidden;
  border: 1px solid rgba(20, 20, 14, 0.16);
  border-radius: var(--radius-md);
  background: #0f1311;
  box-shadow: var(--shadow-lg);
}

.term-bar {
  display: flex;
  gap: 8px;
  padding: 12px 14px;
  background: #181c19;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.term-bar i {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.18);
}

.term-bar i:first-child { background: #e0664f; }
.term-bar i:nth-child(2) { background: #e8b339; }
.term-bar i:nth-child(3) { background: #6bbf73; }

.term-body {
  margin: 0;
  padding: 20px 20px 22px;
  overflow-x: auto;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.86rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.82);
}

.term-body code { background: none; padding: 0; color: inherit; font-size: inherit; }

.term-line { display: block; opacity: 1; }
.terminal.is-visible .term-line { animation: termIn 300ms var(--ease-out) both; }
.terminal.is-visible .term-line:nth-child(1) { animation-delay: 40ms; }
.terminal.is-visible .term-line:nth-child(2) { animation-delay: 160ms; }
.terminal.is-visible .term-line:nth-child(3) { animation-delay: 300ms; }
.terminal.is-visible .term-line:nth-child(4) { animation-delay: 420ms; }
.terminal.is-visible .term-line:nth-child(5) { animation-delay: 520ms; }
.terminal.is-visible .term-line:nth-child(6) { animation-delay: 640ms; }
.terminal.is-visible .term-line:nth-child(7) { animation-delay: 740ms; }
.terminal.is-visible .term-line:nth-child(8) { animation-delay: 840ms; }
.terminal.is-visible .term-line:nth-child(9) { animation-delay: 940ms; }
.terminal.is-visible .term-line:nth-child(n + 10) { animation-delay: 1040ms; }

@keyframes termIn {
  from { opacity: 0; transform: translateY(3px); }
  to { opacity: 1; transform: none; }
}

.term-prompt { color: var(--mint); font-weight: 700; }
.term-out { color: rgba(255, 255, 255, 0.66); }
.term-rule { color: rgba(255, 255, 255, 0.24); }
.term-dim { color: rgba(255, 255, 255, 0.4); font-style: italic; }

.term-risk,
.term-risk-low {
  display: inline-block;
  min-width: 2ch;
  font-weight: 700;
}
.term-risk { color: #f0997e; }
.term-risk-low { color: var(--gold-soft); }

/* ---------- Score anatomy ---------- */
.anatomy {
  margin: 32px 0;
  padding: 26px 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--paper-strong);
  box-shadow: var(--shadow-sm);
}

.anatomy figcaption {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 18px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--line);
}

.anatomy figcaption span {
  color: var(--muted-strong);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.anatomy figcaption strong {
  color: var(--forest);
  font-family: "JetBrains Mono", monospace;
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.anatomy figcaption small {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 600;
}

.anatomy-bars {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 18px;
}

.anatomy-bars li {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: baseline;
  column-gap: 12px;
  padding-bottom: 13px;
}

.anatomy-bars .a-label {
  color: var(--ink-soft);
  font-size: 0.96rem;
  font-weight: 500;
}

.anatomy-bars .a-val {
  color: var(--brick);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.86rem;
  font-weight: 700;
}

.anatomy-bars li::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 6px;
  border-radius: 999px;
  background: rgba(31, 61, 47, 0.1);
}

.anatomy-bars li::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  height: 6px;
  width: 0;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--brick), var(--gold));
  transition: width 900ms var(--ease-out);
}

.anatomy.is-visible .anatomy-bars li::after { width: var(--w); }
.anatomy.is-visible .anatomy-bars li:nth-child(2)::after { transition-delay: 120ms; }
.anatomy.is-visible .anatomy-bars li:nth-child(3)::after { transition-delay: 240ms; }
.anatomy.is-visible .anatomy-bars li:nth-child(4)::after { transition-delay: 360ms; }

.anatomy-note {
  margin: 22px 0 0 !important;
  color: var(--muted) !important;
  font-size: 0.95rem !important;
  line-height: 1.6 !important;
}

/* ---------- Closing CTA ---------- */
.case-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 40px;
  padding-top: 36px;
  border-top: 1px solid var(--line);
}

.case .site-footer {
  margin-top: 40px;
}

/* ---------- Responsive ---------- */
@media (max-width: 760px) {
  .case-meta { grid-template-columns: 1fr; gap: 16px; }

  .reframe {
    grid-template-columns: 1fr;
    gap: 16px;
    text-align: left;
  }
  .reframe-arrow { transform: rotate(90deg); justify-self: start; }

  .pipeline li { flex: 1 1 100%; }
  .pipeline li:not(:last-child)::after { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .term-line { opacity: 1 !important; transform: none !important; }
  .anatomy-bars li::after { transition: none !important; }
}