/* ===========================================================
   Dossier — case study layout
   Direction: editorial-institutional. Structure is a case file,
   not a marketing card grid: numbered article, metadata block,
   two-column argument, then a ledger table that shows the workings.
   =========================================================== */

.band-paper { background: color-mix(in oklab, var(--paper) 82%, var(--leaf-deep) 4%); }

/* ---- Article head ---- */
.dossier + .dossier { border-top: 1px solid var(--line); }
.dossier-head {
  display: grid; grid-template-columns: auto 1fr; gap: var(--space-md);
  align-items: start; margin-bottom: var(--space-lg);
}
.dossier-num {
  font-family: var(--font-mono, "Spline Sans Mono", monospace);
  font-size: clamp(2.4rem, 5vw, 3.6rem); line-height: 0.9;
  color: var(--leaf); font-weight: 700;
  padding-right: var(--space-md); border-right: 1px solid var(--line);
}
.dossier-head h2 { margin: 0; font-size: clamp(1.7rem, 2.6vw + 0.6rem, 2.9rem); }
.dossier-sub { margin-top: 0.5rem; color: var(--ink-2); font-size: var(--text-lg, 1.125rem); }

/* ---- Metadata strip ---- */
.dossier-meta {
  /* Exactly 6 items — a fixed 3 keeps two full rows. auto-fit resolved to 4 or 5
     between 641 and 905px and rendered the empty cells as solid rule colour. */
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1px; margin: 0 0 var(--space-lg);
  background: var(--line); border: 1px solid var(--line); border-radius: var(--radius-md);
  overflow: hidden;
}
.dossier-meta > div { background: var(--paper); padding: 0.9rem 1.1rem; }
.dossier-meta dt {
  font-family: var(--font-mono, "Spline Sans Mono", monospace);
  font-size: 0.68rem; letter-spacing: 0.09em; text-transform: uppercase;
  color: var(--ink-2); margin-bottom: 0.35rem;
}
.dossier-meta dd { margin: 0; font-size: 0.95rem; color: var(--ink); }

/* ---- Two-column argument ---- */
.dossier-body {
  display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}
.dossier-col h3 {
  font-family: var(--font-display); font-size: 1.15rem;
  margin: var(--space-md) 0 0.6rem;
}
.dossier-col h3:first-child { margin-top: 0; }
.dossier-col p { color: var(--ink-2); }
.dossier-col p + p { margin-top: 0.8rem; }
.aside-note {
  font-size: 0.85rem; color: var(--ink-2); opacity: 0.85;
  border-left: 2px solid var(--line); padding-left: 0.9rem; margin-top: 1rem;
}

/* ---- Ledger table: the workings ---- */
.ledger-table {
  width: 100%; border-collapse: collapse; margin: 0 0 var(--space-lg);
  font-size: 0.94rem;
}
.ledger-table caption {
  text-align: left; font-family: var(--font-mono, "Spline Sans Mono", monospace);
  font-size: 0.7rem; letter-spacing: 0.09em; text-transform: uppercase;
  color: var(--ink-2); padding-bottom: 0.7rem;
}
.ledger-table th, .ledger-table td {
  text-align: left; padding: 0.8rem 0.9rem; border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.ledger-table thead th {
  font-family: var(--font-mono, "Spline Sans Mono", monospace);
  font-size: 0.68rem; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--ink-2); font-weight: 500; border-bottom-color: var(--ink);
}
.ledger-table .num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.ledger-table tfoot th, .ledger-table tfoot td {
  border-bottom: none; border-top: 2px solid var(--ink);
  font-weight: 700; color: var(--ink);
}
.ledger-table td.good { color: var(--leaf-deep); }
.ledger-table td.neutral { color: var(--ink-2); opacity: 0.8; }
/* A line that moved against the client stays in the ledger — that is the whole
   point of publishing it — but it is not spotlit. No red wash, no bold: it
   reads as one row among five, which is what it is. */
.ledger-table tr.loss td { background: none; }
.ledger-table tr.loss td.num { color: var(--ink-2); font-weight: 400; font-variant-numeric: tabular-nums; }

/* ---- Note panels ---- */
.note-panel {
  border: 1px solid var(--line); border-left: 3px solid var(--leaf);
  border-radius: var(--radius-md); padding: var(--space-md);
  background: var(--paper); margin-bottom: var(--space-md);
}
.note-panel p:last-child { margin-bottom: 0; color: var(--ink-2); }
.note-panel .row-code { display: block; margin-bottom: 0.6rem; color: var(--leaf-deep); }
.note-panel.amber { border-left-color: #c98a2e; }
.note-panel.amber .row-code { color: #96631a; }

/* ---- Spec list ---- */
.spec-list { list-style: none; padding: 0; margin: 0.8rem 0 0; }
.spec-list li {
  display: flex; justify-content: space-between; gap: var(--space-sm);
  padding: 0.6rem 0; border-bottom: 1px solid var(--line);
  font-size: 0.93rem; color: var(--ink-2);
}
.spec-list li b { color: var(--ink); font-variant-numeric: tabular-nums; white-space: nowrap; }
.spec-list li.total { border-bottom: none; border-top: 2px solid var(--ink); margin-top: 0.3rem; color: var(--ink); }

/* ---- Comparison: the solar sizing exhibit ---- */
.compare { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-md); }
.compare-item {
  border: 1px solid var(--line); border-radius: var(--radius-md);
  padding: var(--space-md); background: var(--paper); text-align: center;
}
.compare-item b {
  display: block; font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.4vw, 2.6rem); line-height: 1.05;
  margin: 0.7rem 0 0.4rem; color: var(--ink-2);
  font-variant-numeric: tabular-nums;
}
.compare-item em { font-style: normal; font-size: 0.85rem; color: var(--ink-2); opacity: 0.8; }
.compare-item.is-true { border-color: var(--leaf); border-width: 2px; }
.compare-item.is-true b { color: var(--leaf-deep); }

/* ---- Responsive ---- */
@media (max-width: 860px) {
  .dossier-body { grid-template-columns: 1fr; gap: var(--space-md); }
  .compare { grid-template-columns: 1fr; }
  .dossier-head { grid-template-columns: 1fr; gap: var(--space-sm); }
  .dossier-num { border-right: none; padding-right: 0; }
}
@media (max-width: 640px) {
  /* Tables reflow to stacked records — a horizontal scrollbar on a
     four-column financial table is unreadable on a phone. */
  .ledger-table, .ledger-table tbody, .ledger-table tr, .ledger-table td { display: block; width: 100%; }
  .ledger-table thead { display: none; }
  /* caption reverts to table-caption inside a block table and collapses to a
     shrink-to-fit column — force it back to a full-width block */
  .ledger-table caption { display: block; width: 100%; }
  .ledger-table tfoot { display: block; }
  .ledger-table tfoot tr { display: flex; justify-content: space-between; gap: var(--space-sm); }
  .ledger-table tfoot th, .ledger-table tfoot td { display: block; padding: 0.8rem 0; }
  .ledger-table tbody tr {
    border: 1px solid var(--line); border-radius: var(--radius-md);
    padding: 0.4rem 0.9rem; margin-bottom: 0.8rem;
  }
  .ledger-table tbody td { border-bottom: 1px dotted var(--line); padding: 0.55rem 0; }
  .ledger-table tbody td:last-child { border-bottom: none; }
  .ledger-table tbody td::before {
    content: attr(data-label); display: block;
    font-family: var(--font-mono, "Spline Sans Mono", monospace);
    font-size: 0.62rem; letter-spacing: 0.08em; text-transform: uppercase;
    color: var(--ink-2); margin-bottom: 0.2rem;
  }
  .ledger-table .num { text-align: left; }
  .dossier-meta { grid-template-columns: 1fr 1fr; }
}

/* ---------- Advisory page ---------- */
.aud-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-md); }
.aud {
  border: 1px solid var(--line); border-radius: var(--radius-md);
  padding: var(--space-md); background: var(--paper);
}
.aud .row-code { display: block; margin-bottom: 0.6rem; color: var(--leaf-deep); }
.aud h3 { font-family: var(--font-display); font-size: 1.2rem; margin-bottom: 0.6rem; }
.aud p { color: var(--ink-2); font-size: 0.95rem; }
.aud p + p { margin-top: 0.7rem; }
.aud-answer {
  border-top: 1px solid var(--line); padding-top: 0.7rem;
  color: var(--ink) !important;
}

.svc { display: grid; grid-template-columns: 0.32fr 1fr; gap: var(--space-lg); padding-block: var(--space-md); }
.svc + .svc { border-top: 1px solid var(--line); }
.svc-meta .row-code {
  display: inline-block; margin-bottom: 0.5rem; color: var(--leaf-deep);
  font-size: 1.1rem; font-weight: 700;
}
.svc-meta h3 { font-family: var(--font-display); font-size: 1.35rem; line-height: 1.2; }
.svc-body p { color: var(--ink-2); }
.svc-body p + p { margin-top: 0.75rem; }
.svc-body strong { color: var(--ink); }

@media (max-width: 900px) {
  .aud-grid { grid-template-columns: 1fr; }
  .svc { grid-template-columns: 1fr; gap: var(--space-sm); }
}