/* presentation skill — theme-base/layouts.css
 * Per-layout styling via [data-layout="..."] attribute selectors.
 * 15 layouts. Brand-neutral — every color references --brand-* / --neutral-* tokens.
 */

/* Reveal default is centered text; we want left for content slides. */
.reveal .slides > section { text-align: left; }

/* ── 1. title ── Cover slide (centered, brand mark + accent rule under title) */
.reveal section[data-layout="title"] {
  text-align: center !important;
  display: flex !important;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: var(--space-5) var(--space-4);
}
.reveal section[data-layout="title"]::before {
  content: '';
  background: var(--brand-logo) no-repeat center / contain;
  width: 320px;
  height: 96px;
  margin-bottom: var(--space-4);
  display: block;
}
.reveal section[data-layout="title"] h1 {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-2);
  color: var(--brand-primary);
  letter-spacing: var(--tracking-tighter);
}
.reveal section[data-layout="title"] h1::after {
  content: '';
  display: block;
  width: 64px;
  height: 4px;
  background: var(--brand-accent);
  margin: var(--space-2) auto 0;
  border-radius: var(--radius-full);
}
.reveal section[data-layout="title"] h2 {
  font-size: var(--text-lg);
  font-weight: 400;
  color: var(--brand-muted);
  margin-bottom: var(--space-4);
  letter-spacing: var(--tracking-normal);
}

/* ── 2. section ── Section divider, gradient bg, accent rule */
.reveal section[data-layout="section"] {
  background: linear-gradient(135deg, var(--brand-primary) 0%, var(--brand-primary-800) 100%);
  color: #fff;
  text-align: left !important;
  display: flex !important;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-5);
}
.reveal section[data-layout="section"]::before {
  content: '';
  display: block;
  width: 64px;
  height: 4px;
  background: var(--brand-accent);
  margin-bottom: var(--space-3);
  border-radius: var(--radius-full);
}
.reveal section[data-layout="section"] h1 {
  color: #fff;
  font-size: var(--text-3xl);
  font-weight: 700;
  margin-bottom: var(--space-2);
  letter-spacing: var(--tracking-tighter);
}
.reveal section[data-layout="section"] h2,
.reveal section[data-layout="section"] h3 {
  color: rgba(255,255,255,0.7);
  font-size: var(--text-lg);
  font-weight: 400;
  margin-bottom: var(--space-2);
}
.reveal section[data-layout="section"] p {
  color: rgba(255,255,255,0.85);
  font-size: var(--text-lg);
}

/* ── 3. content ── default; styled in base.css */

/* ── 4. two-column ── */
.reveal section[data-layout="two-column"] .col-left,
.reveal section[data-layout="two-column"] .col-right {
  display: inline-block;
  width: 47%;
  vertical-align: top;
  font-size: 0.9em;
}
.reveal section[data-layout="two-column"] .col-left { padding-right: var(--space-3); }
.reveal section[data-layout="two-column"] .col-right {
  padding-left: var(--space-3);
  border-left: 2px solid var(--brand-divider);
}

/* ── 5. image-text ── */
.reveal section[data-layout="image-text"] .image,
.reveal section[data-layout="image-text"] .text {
  display: inline-block;
  width: 47%;
  vertical-align: middle;
}
.reveal section[data-layout="image-text"] .image { padding-right: var(--space-3); }
.reveal section[data-layout="image-text"] .image img,
.reveal section[data-layout="image-text"] .image svg {
  width: 100%; height: auto; max-height: 60vh; object-fit: contain;
  border-radius: var(--radius-md);
  display: block;
}
.reveal section[data-layout="image-text"] .text { padding-left: var(--space-3); }

/* ── 6. quote ── Centered quote with oversized accent glyph */
.reveal section[data-layout="quote"] {
  text-align: center !important;
  display: flex !important;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-5);
}
.reveal section[data-layout="quote"] blockquote {
  border-left: none;
  background: transparent;
  font-size: var(--text-xl);
  font-style: italic;
  color: var(--brand-fg);
  padding: 0;
  margin: 0 auto;
  max-width: 80%;
  position: relative;
  line-height: var(--leading-snug);
  border-radius: 0;
}
.reveal section[data-layout="quote"] blockquote::before {
  content: '"';
  font-family: Georgia, serif;
  font-size: 5em;
  color: var(--brand-accent-300);
  position: absolute;
  top: -0.5em;
  left: -0.5em;
  line-height: 1;
  z-index: 0;
}
.reveal section[data-layout="quote"] blockquote > * { position: relative; z-index: 1; }

/* ── 7. closing ── Thank-you / Q&A on gradient brand BG */
.reveal section[data-layout="closing"] {
  text-align: center !important;
  display: flex !important;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: var(--space-5) var(--space-4);
  background: linear-gradient(135deg, var(--brand-primary) 0%, var(--brand-primary-800) 100%);
  color: #fff;
}
.reveal section[data-layout="closing"] h1 {
  color: #fff;
  font-size: var(--text-4xl);
  margin-bottom: var(--space-2);
  letter-spacing: var(--tracking-tighter);
}
.reveal section[data-layout="closing"] h1::after {
  content: '';
  display: block;
  width: 64px;
  height: 4px;
  background: var(--brand-accent);
  margin: var(--space-2) auto 0;
  border-radius: var(--radius-full);
}
.reveal section[data-layout="closing"] h2 {
  color: rgba(255,255,255,0.85);
  font-weight: 400;
  font-size: var(--text-xl);
}
.reveal section[data-layout="closing"] p { color: rgba(255,255,255,0.85); }

/* ── 8. agenda ── Numbered ol, generous whitespace.
 * Sized so 10 items fit comfortably; if you have more, split into two slides. */
.reveal section[data-layout="agenda"] ol {
  margin: var(--space-2) 0 0 0;
  padding-left: 0;
  list-style: none;
  counter-reset: agenda;
}
.reveal section[data-layout="agenda"] ol li {
  counter-increment: agenda;
  font-size: var(--text-sm);
  line-height: var(--leading-snug);
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--brand-divider);
  position: relative;
  padding-left: 2.6em;
  margin-bottom: 0;
}
.reveal section[data-layout="agenda"] ol li::before {
  content: counter(agenda, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.5rem;
  color: var(--brand-accent);
  font-weight: 700;
  font-size: var(--text-sm);
  font-family: var(--font-display);
  letter-spacing: var(--tracking-wide);
}

/* ── 9. table ── styling already in base; just ensure breathing room.
 * `--table-scale` is set per-slide by build.ts (`injectTableScale`) when row
 * count exceeds 6 — multiplies the cell font-size to keep dense tables on a
 * single page. Defaults to 1 (no change) when the var is unset. */
.reveal section[data-layout="table"] table {
  margin-top: var(--space-3);
  font-size: calc(var(--text-sm) * var(--table-scale, 1));
}

/* ── 10. comparison ── 2-3 option boxes with numbered badge + top stripe */
.reveal section[data-layout="comparison"] .compare {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-3);
  align-items: stretch;
  counter-reset: cmp;
}
.reveal section[data-layout="comparison"] .option {
  flex: 1;
  background: var(--brand-surface);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  border-top: 4px solid var(--brand-accent);
  font-size: var(--text-sm);
  position: relative;
  counter-increment: cmp;
  box-shadow: var(--shadow-sm);
}
.reveal section[data-layout="comparison"] .option::before {
  content: counter(cmp, decimal-leading-zero);
  position: absolute;
  top: var(--space-1);
  right: var(--space-2);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--brand-accent);
  letter-spacing: var(--tracking-wide);
  opacity: 0.6;
}
.reveal section[data-layout="comparison"] .option:nth-child(1) { border-top-color: var(--brand-primary); }
.reveal section[data-layout="comparison"] .option:nth-child(1)::before { color: var(--brand-primary); }
.reveal section[data-layout="comparison"] .option p:first-child strong:first-child,
.reveal section[data-layout="comparison"] .option > strong:first-child {
  display: block;
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
  color: var(--brand-primary);
}

/* ── 11. code ── Code-focused; pre fills more vertical space */
.reveal section[data-layout="code"] pre {
  width: 100%;
  max-height: 65vh;
  margin: var(--space-2) 0;
}
/* Code font size scales down for long blocks. The build script sets
   --code-scale on each code-layout section based on line count: 1.0 for ≤15
   lines, 0.6 for ≥25 lines, linear in between. Defaults to 1.0 if unset. */
.reveal section[data-layout="code"] pre code {
  font-size: calc(0.9em * var(--code-scale, 1));
}

/* ── 12. big-stat ── One giant number + a muted caption beneath. Use sparingly.
 * Author surface:
 *   <!-- .slide: data-layout="big-stat" -->
 *   # 87%
 *   ## of customers retained YoY
 */
.reveal section[data-layout="big-stat"] {
  text-align: center !important;
  display: flex !important;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: var(--space-5);
}
.reveal section[data-layout="big-stat"] h1 {
  font-family: var(--font-display);
  font-size: var(--text-display);
  font-weight: 800;
  line-height: 0.9;
  letter-spacing: var(--tracking-tighter);
  color: var(--brand-primary);
  margin: 0 0 var(--space-2) 0;
  font-feature-settings: "tnum";
}
.reveal section[data-layout="big-stat"] h2,
.reveal section[data-layout="big-stat"] p {
  font-size: var(--text-lg);
  color: var(--brand-muted);
  font-weight: 400;
  max-width: 70%;
  margin: 0 0 var(--space-1) 0;
  line-height: var(--leading-snug);
  text-align: center;
}
.reveal section[data-layout="big-stat"] em.unit {
  font-size: 0.4em;
  color: var(--brand-accent);
  font-weight: 600;
  font-style: normal;
  margin-left: 0.1em;
  letter-spacing: var(--tracking-normal);
  vertical-align: top;
}

/* ── 13. metric-grid ── 3-up KPI cards. Wrap in <div class="metrics"> with .metric children.
 * Author surface (HTML inside markdown):
 *   <div class="metrics">
 *     <div class="metric"><p class="label">MRR</p><p class="value">$48k</p><p class="delta up">+12%</p></div>
 *     ...
 *   </div>
 */
.reveal section[data-layout="metric-grid"] .metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
  margin-top: var(--space-3);
}
.reveal section[data-layout="metric-grid"] .metric {
  background: var(--brand-surface);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  box-shadow: var(--shadow-sm);
  border-top: 3px solid var(--brand-accent);
}
.reveal section[data-layout="metric-grid"] .metric:nth-child(3n+1) { border-top-color: var(--brand-primary); }
.reveal section[data-layout="metric-grid"] .metric:nth-child(3n+2) { border-top-color: var(--brand-accent); }
.reveal section[data-layout="metric-grid"] .metric:nth-child(3n)   { border-top-color: var(--brand-primary-700); }
.reveal section[data-layout="metric-grid"] .metric .value {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  line-height: 1;
  color: var(--brand-primary);
  margin: 0 0 var(--space-1) 0;
  letter-spacing: var(--tracking-tight);
}
.reveal section[data-layout="metric-grid"] .metric .label {
  font-size: var(--text-xs);
  color: var(--brand-muted);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  margin: 0 0 var(--space-1) 0;
  font-weight: 600;
}
.reveal section[data-layout="metric-grid"] .metric .delta {
  font-size: var(--text-sm);
  font-weight: 600;
  display: inline-block;
  margin: 0;
}
.reveal section[data-layout="metric-grid"] .metric .delta.up   { color: #16A34A; }
.reveal section[data-layout="metric-grid"] .metric .delta.down { color: #DC2626; }

/* ── 14. pull-quote ── Oversized italic with accent rule + attribution
 * Author surface:
 *   <!-- .slide: data-layout="pull-quote" -->
 *   > Big sentence.
 *
 *   — Attribution name, role
 */
.reveal section[data-layout="pull-quote"] {
  display: flex !important;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-5);
}
.reveal section[data-layout="pull-quote"] blockquote {
  font-size: var(--text-2xl);
  font-style: italic;
  font-weight: 300;
  font-family: var(--font-display);
  color: var(--brand-fg);
  line-height: var(--leading-snug);
  letter-spacing: var(--tracking-tight);
  border-left: 4px solid var(--brand-accent);
  background: transparent;
  padding: 0 0 0 var(--space-3);
  margin: 0;
  border-radius: 0;
  max-width: 90%;
}
.reveal section[data-layout="pull-quote"] blockquote + p {
  margin-top: var(--space-3);
  margin-left: calc(4px + var(--space-3));
  font-size: var(--text-base);
  font-style: normal;
  color: var(--brand-muted);
  font-weight: 500;
}