/* ==========================================================================
   xMAD.ai — inner-page styles
   Extends site.css with the page header, sidebar contents, long-form prose,
   and the model-card layout.
   ========================================================================== */

/* ── Page header ──────────────────────────────────────────────────────── */
.page-head { padding: clamp(56px, 8vw, 104px) 0 clamp(40px, 5vw, 64px); border-bottom: 1px solid var(--line); }
.page-head__title {
  font-family: var(--serif);
  font-size: clamp(2.1rem, 4.4vw, 3.4rem);
  line-height: 1.08; letter-spacing: -0.032em; font-weight: 400;
  margin: 0 0 20px; max-width: 24ch;
}
.page-head__lede { font-size: 1.08rem; color: var(--ink-2); max-width: 58ch; margin: 0; }

/* ── Two-column layout with contents ──────────────────────────────────── */
.layout {
  display: grid; grid-template-columns: 208px minmax(0, 1fr);
  gap: 64px; padding: var(--section-y) 0;
}
.toc { position: sticky; top: 96px; align-self: start; }
.toc__title {
  font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--faint); margin: 0 0 16px; font-weight: 600;
}
.toc ul { display: grid; gap: 2px; border-left: 1px solid var(--line); }
.toc a {
  display: block; padding: 7px 0 7px 16px; margin-left: -1px;
  border-left: 1px solid transparent; font-size: 0.9rem; color: var(--muted);
  transition: color .18s var(--ease), border-color .18s var(--ease);
}
.toc a:hover { color: var(--ink); }
.toc a.is-active { color: var(--ink); border-left-color: var(--accent); }

/* ── Prose ────────────────────────────────────────────────────────────── */
.prose { max-width: 72ch; }
.prose__section { padding-bottom: 64px; margin-bottom: 64px; border-bottom: 1px solid var(--line); }
.prose__section:last-child { border-bottom: 0; padding-bottom: 0; margin-bottom: 0; }
.prose h2 {
  font-family: var(--serif); font-size: clamp(1.6rem, 2.7vw, 2.1rem);
  font-weight: 400; letter-spacing: -0.026em; line-height: 1.16; margin: 0 0 22px;
}
.prose h3 {
  font-size: 0.78rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--faint); font-weight: 600; margin: 38px 0 16px;
}
.prose p { font-size: 1.03rem; line-height: 1.72; color: var(--ink-2); }
.prose p:first-of-type { font-size: 1.1rem; }
.prose a { color: var(--accent); }
.prose a:hover { text-decoration: underline; text-underline-offset: 3px; }
.prose code {
  font-family: var(--mono); font-size: 0.86em; background: var(--paper-2);
  border: 1px solid var(--line); border-radius: 2px; padding: 1px 6px;
}
.prose__note { font-size: 0.9rem !important; color: var(--faint) !important; }

/* ── Publication list ─────────────────────────────────────────────────── */
.pub-list { display: grid; gap: 0; border-top: 1px solid var(--line); }
.pub-list li {
  display: grid; gap: 4px; padding: 18px 0; border-bottom: 1px solid var(--line);
  transition: padding-left .18s var(--ease);
}
.pub-list li:hover { padding-left: 10px; }
.pub-list li:target { background: #FFF7E6; padding-left: 12px; }
.pub-list__title { font-size: 1rem; font-weight: 500; letter-spacing: -0.012em; }
.pub-list__meta { font-size: 0.86rem; color: var(--muted); }

/* ── Publication table ────────────────────────────────────────────────── */
.pub-table { width: 100%; border-collapse: collapse; font-size: 0.94rem; margin-top: 8px; }
.pub-table th, .pub-table td { text-align: left; padding: 13px 14px 13px 0; border-bottom: 1px solid var(--line); }
.pub-table thead th {
  font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--faint); font-weight: 600;
}
.pub-table tbody tr:hover { background: var(--paper-2); }
.pub-table td:last-child, .pub-table th:last-child { text-align: right; padding-right: 0; color: var(--muted); }

/* ── Model cards ──────────────────────────────────────────────────────── */
.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.card { background: var(--paper); padding: 30px 28px; }
.card__head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.card__name { font-size: 1.14rem; font-weight: 500; letter-spacing: -0.016em; }
.card__licence { font-size: 0.76rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); }
.card__spec { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin: 0 0 18px; }
.card__spec dt { font-size: 10.5px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--faint); margin-bottom: 5px; }
.card__spec dd { margin: 0; font-family: var(--serif); font-size: 1.22rem; }
.card__body { font-size: 0.94rem; color: var(--ink-2); margin: 0 0 18px; }
.card__links { display: flex; gap: 16px; font-size: 0.87rem; }
.card__links a { color: var(--accent); }
.card__links a:hover { text-decoration: underline; text-underline-offset: 3px; }
.card.is-dark { background: var(--dark); color: #E9E9EF; border-color: var(--dark-line); }
.card.is-dark .card__licence, .card.is-dark .card__spec dt { color: var(--dark-muted); }
.card.is-dark .card__body { color: #B9B9C6; }

/* ── Model card document ──────────────────────────────────────────────── */
.spec-table { width: 100%; border-collapse: collapse; font-size: 0.94rem; }
.spec-table th, .spec-table td { text-align: left; padding: 12px 16px 12px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
.spec-table th { width: 34%; font-weight: 500; color: var(--ink); }
.spec-table td { color: var(--ink-2); }

/* ── Team ─────────────────────────────────────────────────────────────── */
.team { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.person { background: var(--paper); padding: 24px 22px; }
.person__name { font-size: 1rem; font-weight: 500; letter-spacing: -0.012em; margin-bottom: 3px; }
.person__role { font-size: 0.86rem; color: var(--muted); }
.person__bio { font-size: 0.88rem; color: var(--ink-2); margin: 12px 0 0; }

/* ── Openings ─────────────────────────────────────────────────────────── */
.opening { border-bottom: 1px solid var(--line); padding: 26px 0; }
.opening__head { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; }
.opening__title { font-size: 1.1rem; font-weight: 500; letter-spacing: -0.016em; }
.opening__team { font-size: 0.86rem; color: var(--muted); }
.opening__meta { display: flex; gap: 18px; margin-top: 8px; font-size: 0.86rem; color: var(--faint); }
.opening__body { margin-top: 14px; font-size: 0.96rem; color: var(--ink-2); max-width: 68ch; }

/* ── Contact ──────────────────────────────────────────────────────────── */
.contact-grid { display: grid; grid-template-columns: 1.25fr 0.75fr; gap: 72px; }
.field { display: grid; gap: 7px; margin-bottom: 22px; }
.field label { font-size: 0.82rem; font-weight: 500; letter-spacing: 0.01em; }
.field input, .field select, .field textarea {
  width: 100%; padding: 12px 14px; border: 1px solid var(--line-strong);
  border-radius: var(--radius); background: #fff; font-size: 0.96rem;
}
.field textarea { min-height: 132px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--ink); }
.field--row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.side-block { padding: 22px 0; border-bottom: 1px solid var(--line); }
.side-block:first-child { border-top: 1px solid var(--line); }
.side-block h3 { font-size: 0.78rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--faint); margin: 0 0 10px; font-weight: 600; }
.side-block p { font-size: 0.94rem; color: var(--ink-2); margin: 0; }

/* ── Legal documents ──────────────────────────────────────────────────── */
.legal { max-width: 76ch; padding: var(--section-y) 0; }
.legal h2 { font-family: var(--serif); font-size: 1.5rem; font-weight: 400; letter-spacing: -0.022em; margin: 46px 0 14px; }
.legal h2:first-child { margin-top: 0; }
.legal p, .legal li { font-size: 0.99rem; line-height: 1.72; color: var(--ink-2); }
.legal ul { display: grid; gap: 8px; margin: 0 0 1.1em; }
.legal li { position: relative; padding-left: 20px; }
.legal li::before { content: "—"; position: absolute; left: 0; color: var(--faint); }
.legal__meta { font-size: 0.88rem; color: var(--faint); }

/* ── Responsive ───────────────────────────────────────────────────────── */
@media (max-width: 1080px) {
  .layout { grid-template-columns: 1fr; gap: 40px; }
  .toc { position: static; }
  .toc ul { display: flex; flex-wrap: wrap; gap: 6px 18px; border-left: 0; }
  .toc a { padding: 4px 0; border-left: 0; }
  .team { grid-template-columns: repeat(3, 1fr); }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
}
@media (max-width: 900px) {
  .cards { grid-template-columns: 1fr; }
  .team { grid-template-columns: repeat(2, 1fr); }
  .field--row { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
  .team { grid-template-columns: 1fr; }
  .pub-table { font-size: 0.88rem; }
  .pub-table th:nth-child(2), .pub-table td:nth-child(2) { display: none; }
}