/* Blog-matched Reveal.js slides */

:root {
  --blog-bg: #f0eee6;
  --blog-card: #eeeae2;
  --blog-header: #656565;
  --blog-header-dark: #565656;
  --blog-text: #343a40;
  --blog-muted: #61686f;
  --blog-rule: #d8d5cc;
  --blog-link: #0d6efd;
}

/* Base */
.reveal-viewport,
.reveal {
  background: var(--blog-bg) !important;
  color: var(--blog-text);
}

.reveal {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 34px;
}

.reveal .slides section {
  text-align: left;
  padding-top: 82px;
  box-sizing: border-box;
}

/* Top blog bar */
.reveal .slides section::before {
  content: "Notebook of Rick Rejeleene";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 58px;
  background: var(--blog-header);
  color: var(--blog-bg);
  display: flex;
  align-items: center;
  padding-left: 24px;
  font-family: Georgia, "Times New Roman", serif;
  font-variant: small-caps;
  letter-spacing: 0.03em;
  font-size: 25px;
  z-index: 2;
  border-bottom: 1px solid #3f3f3f;
}

/* Headings */
.reveal h1,
.reveal h2,
.reveal h3 {
  color: var(--blog-text);
  text-transform: none;
  letter-spacing: -0.02em;
  font-weight: 650;
}

.reveal h1 {
  font-family: Georgia, "Times New Roman", serif;
  font-variant: small-caps;
  font-size: 72px;
  font-weight: 500;
}

.reveal h2 {
  font-size: 50px;
  border-bottom: 1px solid var(--blog-rule);
  padding-bottom: 0.22em;
  margin-bottom: 0.55em;
}

.reveal h3 {
  font-size: 32px;
  margin-bottom: 0.35em;
}

/* Text */
.reveal p,
.reveal li,
.reveal td,
.reveal th {
  color: var(--blog-text);
}

.reveal a {
  color: var(--blog-link);
}

.reveal ul,
.reveal ol {
  margin-left: 1.05em;
}

.reveal li {
  margin: 0.23em 0;
}

/* Section divider */
.reveal .section-title {
  background: var(--blog-header) !important;
  color: var(--blog-bg) !important;
  padding-top: 130px !important;
}

.reveal .section-title::before {
  background: var(--blog-header-dark);
  color: var(--blog-bg);
}

.reveal .section-title h1,
.reveal .section-title h2,
.reveal .section-title h3,
.reveal .section-title p,
.reveal .section-title blockquote,
.reveal .section-title blockquote p {
  color: var(--blog-bg) !important;
  border-color: rgba(240, 238, 230, 0.35);
}

/* Lead / boxes */
.reveal .lead {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.28em;
  line-height: 1.25;
  margin: 0.35em 0 0.7em 0;
}

.reveal .note-box,
.reveal .takeaway {
  background: var(--blog-card);
  border-left: 7px solid var(--blog-header);
  padding: 0.65em 0.85em;
  margin-top: 0.7em;
  font-size: 0.86em;
}

/* Pills */
.reveal .pill-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 0.7em;
}

.reveal .pill-grid span {
  background: var(--blog-card);
  border: 1px solid var(--blog-rule);
  padding: 8px 13px;
  border-radius: 999px;
  font-size: 0.62em;
}

/* Tables */
.reveal table {
  width: 100%;
  table-layout: fixed;
  border-collapse: collapse;
  font-size: 0.58em;
  margin-top: 0.45em;
}

.reveal th {
  text-align: left;
  font-weight: 700;
  border-bottom: 2px solid #9c9a94;
  padding: 0.42em 0.5em;
}

.reveal td {
  border-bottom: 1px solid var(--blog-rule);
  padding: 0.42em 0.5em;
  vertical-align: top;
}

.reveal tr:nth-child(even) td {
  background: rgba(255, 255, 255, 0.18);
}

/* General images */
.reveal img {
  max-height: 640px;
  object-fit: contain;
}

/* Big visual slides */
.visual-focus {
  display: grid;
  grid-template-columns: 68% 32%;
  gap: 30px;
  align-items: center;
  margin-top: 18px;
}

.visual-img img {
  width: 100%;
  max-height: 660px;
  object-fit: contain;
  background: #fff;
  border: 1px solid var(--blog-rule);
}

.visual-text {
  background: var(--blog-card);
  border-left: 7px solid var(--blog-header);
  padding: 24px 28px;
  font-size: 0.78em;
}

.visual-text h3 {
  font-size: 0.9em;
  margin-top: 0;
}

.visual-text p {
  font-size: 0.72em;
  line-height: 1.25;
}

/* Two-image visual slides */
.visual-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
  margin-top: 18px;
}

.visual-card-large {
  background: var(--blog-card);
  border-top: 5px solid var(--blog-header);
  padding: 16px 18px 18px 18px;
}

.visual-card-large img {
  width: 100%;
  height: 430px;
  object-fit: contain;
  background: #fff;
  border: 1px solid var(--blog-rule);
}

.visual-card-large h3 {
  font-size: 0.72em;
  margin: 12px 0 5px 0;
}

.visual-card-large p {
  font-size: 0.5em;
  line-height: 1.22;
  margin: 0;
}

/* Three-card grid only for text, not important images */
.theory-grid,
.visual-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 20px;
}

.theory-card {
  background: var(--blog-card);
  border-top: 5px solid var(--blog-header);
  padding: 18px;
}

.theory-card h3 {
  font-size: 0.78em;
  margin: 0 0 8px 0;
}

.theory-card p {
  font-size: 0.55em;
  line-height: 1.25;
}

/* Metrics */
.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 26px;
}

.metric {
  background: var(--blog-card);
  border-top: 5px solid var(--blog-header);
  padding: 22px;
  min-height: 120px;
}

.metric .number {
  display: block;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.15em;
}

.metric .label {
  display: block;
  margin-top: 8px;
  font-size: 0.58em;
  color: var(--blog-muted);
}

/* Two-column list */
.two-col-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 34px;
}

.two-col-list .left,
.two-col-list .right {
  background: var(--blog-card);
  padding: 18px 24px;
  border-top: 5px solid var(--blog-header);
}

/* Repair sequence */
.sequence-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-top: 22px;
}

.sequence-left,
.sequence-right {
  background: var(--blog-card);
  border-top: 5px solid var(--blog-header);
  padding: 18px 22px;
}

.sequence-left h3,
.sequence-right h3 {
  margin-top: 0;
  font-size: 0.9em;
}

.sequence-layout table {
  font-size: 0.56em;
}

.sequence-layout th:first-child,
.sequence-layout td:first-child {
  width: 52px;
  text-align: center;
  font-weight: 700;
}

/* Checklist */
.check-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 20px;
}

.check-grid span {
  background: var(--blog-card);
  border: 1px solid var(--blog-rule);
  padding: 12px 14px;
  font-size: 0.58em;
}

/* Swatches */
.swatch {
  display: inline-block;
  width: 0.9em;
  height: 0.9em;
  border: 1px solid rgba(0, 0, 0, 0.25);
  vertical-align: -0.08em;
  margin-right: 0.25em;
}

.swatch.yellow { background: #f4d03f; }
.swatch.blue { background: #2471a3; }
.swatch.purple { background: #8e44ad; }
.swatch.red { background: #c0392b; }
.swatch.cyan { background: #48c9b0; }
.swatch.grey { background: #7f8c8d; }
.swatch.green { background: #00b050; }
.swatch.palegreen { background: #a9dfbf; }
.swatch.lightblue { background: #5dade2; }
.swatch.darkgreen { background: #145a32; }
.swatch.pink { background: #ff69b4; }

/* TOC */
.reveal #TOC h2 {
  font-size: 1.35em;
  margin-bottom: 0.35em;
}

.reveal #TOC ul {
  font-size: 0.56em;
  line-height: 1.12;
  margin-top: 0.2em;
}

.reveal #TOC li {
  margin-bottom: 0.12em;
}

.reveal #TOC ul ul {
  display: none;
}

.reveal #TOC a {
  color: var(--blog-link);
}

/* Footer / slide number */
.reveal .footer {
  color: var(--blog-muted) !important;
  font-size: 0.36em !important;
}

.reveal .slide-number {
  background: var(--blog-header) !important;
  color: var(--blog-bg) !important;
  font-size: 0.45em !important;
}

.reveal .progress span {
  background: var(--blog-header) !important;
}

/* Narrow preview */
@media (max-width: 900px) {
  .reveal {
    font-size: 26px;
  }

  .reveal h1 {
    font-size: 52px;
  }

  .reveal h2 {
    font-size: 38px;
  }

  .visual-focus,
  .visual-grid-2,
  .theory-grid,
  .visual-grid-3,
  .metric-grid,
  .two-col-list,
  .sequence-layout,
  .check-grid {
    grid-template-columns: 1fr;
  }

  .visual-card-large img {
    height: 300px;
  }
}