/* Identidad visual actualizada del IES Rafael Alberti. */
:root {
  --alberti-red: #b5121b;
  --alberti-dark: #760b12;
  --alberti-ink: #292929;
  --alberti-soft: #fff5f5;
  --alberti-line: #f0d6d8;
  --alberti-muted: #686868;
  --alberti-shadow: 0 16px 38px rgb(49 12 15 / 12%);
}

body { background: #fff; }
.reveal {
  color: var(--alberti-ink);
  font-family: "Segoe UI", system-ui, sans-serif;
  font-size: 30px;
  background:
    radial-gradient(ellipse at 100% 0%, rgb(181 18 27 / 5%), transparent 34%),
    #fff;
}
.reveal .slides section {
  box-sizing: border-box;
  padding: .3em .58em;
  text-align: left;
}
.reveal h1, .reveal h2, .reveal h3 {
  font-family: "Segoe UI", system-ui, sans-serif;
  font-weight: 800;
  letter-spacing: -.025em;
  text-wrap: balance;
}
.reveal h1 {
  display: inline-block;
  padding: .14em .38em;
  border-radius: .2em;
  background: linear-gradient(125deg, var(--alberti-red), #d6323b);
  color: #fff;
  font-size: 1.65em;
  box-shadow: 0 .12em .35em rgb(118 11 18 / 18%);
}
.reveal h2 {
  padding: .08em 0 .12em .42em;
  border-left: .16em solid var(--alberti-red);
  color: var(--alberti-dark);
  font-size: 1.18em;
  line-height: 1.12;
}
.reveal h3 { color: var(--alberti-red); font-size: .92em; }
.reveal p, .reveal li { line-height: 1.22; }
.reveal p { margin: .35em 0; }
.reveal ul, .reveal ol { margin-top: .3em; margin-bottom: .3em; }
.reveal ul { list-style: disc outside; }
.reveal ul li::marker { color: var(--alberti-red); }
.reveal li { margin-bottom: .12em; }
.reveal strong { color: var(--alberti-dark); }
.reveal a { color: var(--alberti-red); }
.reveal a:hover { color: #e13b45; }
.reveal img {
  max-width: 88%;
  max-height: 47vh;
  object-fit: contain;
  border: 0;
  border-radius: .3em;
  box-shadow: none;
  vertical-align: middle;
}
.reveal .slides section img[src*="IS-U0.1.1.-Presentacion-tarjeta.png"] {
  border-radius: 22px;
  overflow: hidden;
}
.reveal table {
  display: table;
  width: 100%;
  border-collapse: collapse;
  font-size: .48em;
  line-height: 1.1;
  overflow: hidden;
  border: 1px solid var(--alberti-line);
  border-radius: .35em;
  box-shadow: 0 .12em .4em rgb(49 12 15 / 7%);
}
.reveal th { background: var(--alberti-red); color: #fff; }
.reveal td, .reveal th { padding: .24em .34em; }
.reveal tbody tr:nth-child(even) { background: #fff5f5; }
.reveal tbody tr:nth-child(odd) { background: #fff; }
.reveal blockquote {
  width: 92%;
  padding: .38em .7em;
  border-left: .14em solid var(--alberti-red);
  border-radius: 0 .35em .35em 0;
  background: linear-gradient(100deg, var(--alberti-soft), #fff);
  box-shadow: none;
}
.reveal .communication-alert {
  margin: 0 auto .65em;
  padding: .35em .7em;
  border: 1px solid var(--alberti-line);
  border-radius: .35em;
  background: var(--alberti-soft);
  color: var(--alberti-dark);
  font-size: 1.05em;
  font-weight: 700;
  text-align: center;
}
.reveal .students-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(0, .55fr);
  align-items: center;
  gap: .8em;
  width: 100%;
  text-align: left;
}
.reveal .students-copy { min-width: 0; }
.reveal .students-copy ul { padding-left: 1.15em; }
.reveal .students-copy li { margin-bottom: .22em; }
.reveal .students-photo { display: flex; align-items: center; justify-content: center; }
.reveal .students-photo img {
  width: 100%;
  max-width: 100%;
  max-height: 38vh;
  margin: 0;
}
.reveal .class-intro .students-photo img {
  width: 86%;
  max-width: 86%;
  max-height: 32vh;
  transform: rotate(-2deg);
}
.reveal hr { border-color: var(--alberti-line); }
.reveal .slide-number { color: var(--alberti-red); }
.reveal .slides section:has(> h2):has(img) { text-align: center; }
.reveal .slides section:has(> h2) img { max-height: 52vh; }
.reveal .slides section:has(table) { font-size: .9em; }
.reveal .slides section:has(table) table { font-size: .44em; }
.reveal img.doubts-image {
  display: block;
  max-width: 48%;
  max-height: 48vh;
  margin: .45em auto;
  border: 0;
  box-shadow: none;
  filter: invert(13%) sepia(82%) saturate(5451%) hue-rotate(347deg)
    brightness(85%) contrast(104%);
}
@media (max-height: 760px) {
  .reveal { font-size: 26px; }
  .reveal h1 { font-size: 1.45em; }
  .reveal h2 { font-size: 1.05em; }
  .reveal p, .reveal li { font-size: .84em; }
  .reveal img { max-height: 40vh; }
  .reveal .slides section:has(table) table { font-size: .4em; }
}
@media (max-width: 700px) {
  .reveal { font-size: 22px; }
  .reveal .slides section { padding: .3em; }
  .reveal img { max-width: 96%; max-height: 38vh; }
  .reveal table { font-size: .4em; }
  .reveal .students-layout { grid-template-columns: minmax(0, 1.45fr) minmax(0, .55fr); gap: .35em; }
  .reveal .students-photo img { max-height: 30vh; }
  .reveal .class-intro .students-photo img { max-height: 25vh; }
}