:root {
  --color-primary: #0b2f5b;
  --color-accent: #0969da;
  --color-accent-dark: #0554ad;
  --color-light: #eef6ff;
  --color-background: #ffffff;
  --color-text: #15263a;
  --color-muted: #5d6b7a;
  --color-border: #dce6f1;
  --color-footer: #082844;
  --header-height: 88px;
  color-scheme: light;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-height) + 24px); }
body { margin: 0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; background: var(--color-background); color: var(--color-text); font-size: 1rem; line-height: 1.7; }
a { color: inherit; text-decoration: none; }
:focus-visible { outline: 3px solid var(--color-accent); outline-offset: 5px; }
.container { width: min(1200px, calc(100% - 96px)); margin-inline: auto; }
.site-header { position: sticky; top: 0; z-index: 20; background: var(--color-background); border-bottom: 1px solid var(--color-border); }
.header-inner { min-height: var(--header-height); display: flex; align-items: center; gap: 24px; }
.brand { flex-shrink: 0; line-height: 1.5; }
.brand strong { display: block; font-size: 1rem; color: var(--color-primary); }
.brand span { display: block; font-size: .8125rem; color: var(--color-muted); }
.navigation { display: flex; gap: 18px; margin-left: auto; align-items: center; }
.navigation a { font-size: .875rem; padding: 12px 0; position: relative; color: var(--color-text); }
.navigation a:hover, .navigation a[aria-current] { color: var(--color-accent); }
.navigation a[aria-current]::after { content: ""; position: absolute; height: 2px; bottom: 5px; left: 0; right: 0; background: var(--color-accent); }
.hero { padding-block: 88px 96px; max-width: 920px; }
.eyebrow { font-size: .75rem; text-transform: uppercase; letter-spacing: .14em; font-weight: 650; color: var(--color-accent); margin: 0 0 22px; }
h1, h2, h3 { color: var(--color-primary); line-height: 1.2; margin-top: 0; }
h1 { font-size: clamp(3rem, 6vw, 5.3rem); letter-spacing: -.055em; font-weight: 650; margin-bottom: 26px; }
h1 span { color: var(--color-accent); }
.lead { max-width: 680px; font-size: 1.1rem; color: var(--color-muted); line-height: 1.85; margin-bottom: 30px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.button { min-height: 48px; padding: 12px 20px; display: inline-flex; align-items: center; justify-content: center; border-radius: 7px; font-size: .875rem; font-weight: 600; border: 1px solid transparent; }
.button-primary { background: var(--color-accent); color: #fff; }
.button-primary:hover { background: var(--color-accent-dark); }
.button-secondary { border-color: var(--color-border); color: var(--color-primary); }
.button-secondary:hover { background: var(--color-light); border-color: var(--color-accent); }
.intro-strip { background: var(--color-light); border-block: 1px solid var(--color-border); }
.intro-strip .container { padding-block: 28px; display: flex; gap: 22px; align-items: center; color: var(--color-muted); font-size: .9rem; }
.intro-strip strong { color: var(--color-primary); }
.section { padding-block: 96px; }
.section-tinted { background: var(--color-light); border-block: 1px solid var(--color-border); }
.section-heading { max-width: 740px; margin-bottom: 40px; }
.section-heading h2, .manifesto h2 { font-size: clamp(2rem, 3.2vw, 2.85rem); letter-spacing: -.045em; font-weight: 650; margin-bottom: 16px; }
.section-heading p:not(.eyebrow), .manifesto p:not(.eyebrow) { color: var(--color-muted); }
.heading-rule { width: 44px; height: 3px; background: var(--color-accent); margin-top: 24px; }
.grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.card { display: flex; flex-direction: column; align-items: flex-start; min-height: 220px; padding: 30px; border: 1px solid var(--color-border); border-radius: 9px; background: var(--color-background); transition: border-color .2s, box-shadow .2s; }
.card:hover { border-color: var(--color-accent); box-shadow: 0 6px 22px #0828440a; }
.card h3 { font-size: 1.35rem; letter-spacing: -.025em; margin: 16px 0 12px; }
.card p { color: var(--color-muted); margin-top: 0; }
.count, .tag { display: inline-block; padding: 5px 10px; border-radius: 5px; background: var(--color-light); color: var(--color-primary); font-size: .75rem; }
.path-card { border-top: 3px solid var(--color-accent); padding-top: 28px; }
.sequence { margin-top: auto !important; padding-top: 18px; border-top: 1px solid var(--color-border); width: 100%; font-size: .84rem; }
.course-card { justify-content: space-between; }
.chips { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 18px; }
.chip { padding: 5px 9px; border-radius: 5px; background: var(--color-light); color: var(--color-primary); font-size: .75rem; }
.text-link { margin-top: 28px; color: var(--color-accent); font-size: .875rem; font-weight: 600; }
.text-link:hover { text-decoration: underline; }
.manifesto-wrap { background: var(--color-primary); color: #fff; }
.manifesto { padding-block: 72px; max-width: 850px; }
.manifesto h2 { color: #fff; }
.manifesto .eyebrow { color: #a8d0ff; }
.manifesto p:not(.eyebrow) { color: #d1dfef; max-width: 680px; }
.site-footer { background: var(--color-footer); color: #fff; padding-block: 48px 24px; }
.footer-inner { display: flex; justify-content: space-between; gap: 40px; align-items: flex-start; }
.footer-inner strong { font-size: 1.05rem; }
.footer-inner p { color: #bccde0; font-size: .875rem; margin: 8px 0 0; }
.footer-links { display: flex; gap: 18px; font-size: .875rem; color: #dbe8f5; }
.copyright { border-top: 1px solid #35516c; margin: 38px 0 0; padding-top: 20px; font-size: .75rem; color: #bccde0; }
.error { text-align: center; padding: 30px; color: var(--color-muted); }
@media (max-width: 900px) {
  .container { width: calc(100% - 48px); }
  .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .navigation { gap: 12px; }
}
@media (max-width: 680px) {
  .container { width: calc(100% - 36px); }
  .header-inner { min-height: 76px; align-items: center; }
  .brand span { display: none; }
  .navigation a:first-child { display: none; }
  .navigation { gap: 10px; }
  .navigation a { font-size: .8rem; }
  .hero { padding-block: 64px 72px; }
  h1 { font-size: clamp(2.7rem, 14vw, 4rem); }
  .section { padding-block: 72px; }
  .grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; }
  .footer-links { flex-wrap: wrap; }
}

/* Fichas de curso */
.course-hero { max-width: 900px; }
.levels { border-top: 1px solid var(--color-border); }
.level { display: grid; grid-template-columns: 90px minmax(0, 1fr); gap: 30px; padding-block: 42px; border-bottom: 1px solid var(--color-border); }
.level-number { color: var(--color-accent); font-size: 1rem; font-weight: 650; letter-spacing: .08em; }
.level h3 { font-size: 1.65rem; margin: 12px 0 22px; }
.unit-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px 18px; }
.unit-list a { display: flex; justify-content: space-between; gap: 14px; padding: 13px 15px; border: 1px solid var(--color-border); border-radius: 7px; color: var(--color-primary); font-size: .9rem; }
.unit-list a:hover { border-color: var(--color-accent); color: var(--color-accent); background: var(--color-light); }
.unit-list span { color: var(--color-accent); }
@media (max-width: 680px) { .level { grid-template-columns: 1fr; gap: 10px; } .unit-list { grid-template-columns: 1fr; } }

.architecture-flow { display:flex; flex-wrap:wrap; gap:10px; align-items:center; margin:20px 0; padding:18px; background:var(--color-light); border-left:3px solid var(--color-accent); border-radius:0 7px 7px 0; font-size:.88rem; color:var(--color-muted); }.architecture-flow strong{color:var(--color-primary);}

.breadcrumbs { padding-top: 28px; font-size: .82rem; color: var(--color-muted); }
.breadcrumbs a { color: var(--color-accent); }
.breadcrumbs a:hover { text-decoration: underline; }
.area-card { cursor: pointer; }
.area-card .text-link { margin-top: auto; }
@media (max-width: 680px) {
  .site-header { position: static; }
  .header-inner { flex-direction: column; align-items: flex-start; gap: 4px; padding-block: 14px; }
  .brand span { display: block; }
  .navigation { width: 100%; margin-left: 0; overflow-x: auto; gap: 18px; padding-bottom: 2px; scrollbar-width: none; }
  .navigation::-webkit-scrollbar { display: none; }
  .navigation a, .navigation a:first-child { display: block; white-space: nowrap; font-size: .82rem; }
  .intro-strip .container { flex-direction: column; align-items: flex-start; gap: 4px; }
}

.catalog-tools { display:flex; gap:12px; align-items:flex-end; margin-bottom:12px; }
.search-box { flex:1; display:grid; gap:7px; color:var(--color-primary); font-size:.82rem; font-weight:600; }
.search-box input { width:100%; min-height:48px; padding:11px 14px; border:1px solid var(--color-border); border-radius:7px; background:var(--color-background); color:var(--color-text); font:inherit; }
.search-box input:focus { border-color:var(--color-accent); outline:3px solid color-mix(in srgb, var(--color-accent) 20%, transparent); }
.catalog-status { min-height:1.7em; margin:0 0 24px; color:var(--color-muted); font-size:.82rem; }
.course-relations { display:grid; gap:5px; margin-top:18px; padding-top:14px; border-top:1px solid var(--color-border); color:var(--color-muted); font-size:.76rem; line-height:1.45; }
.course-relations strong { color:var(--color-primary); font-weight:600; }
@media(max-width:680px){.catalog-tools{align-items:stretch;flex-direction:column}.catalog-tools .button{width:100%}}

.course-card { padding: 0; overflow: hidden; }
.course-card-body { width: 100%; padding: 26px 30px 8px; }
.course-card > .text-link { margin: 20px 30px 28px; }
.course-cover {
  position: relative;
  width: 100%;
  min-height: 128px;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding: 22px 26px;
  background:
    radial-gradient(circle at 82% 22%, rgba(9,105,218,.18) 0 12%, transparent 13%),
    linear-gradient(135deg, var(--color-light), #fff 62%);
  border-bottom: 1px solid var(--color-border);
}
.course-cover::before,
.course-cover::after {
  content: "";
  position: absolute;
  border: 1px solid rgba(9,105,218,.16);
  border-radius: 50%;
}
.course-cover::before { width: 120px; height: 120px; right: -28px; top: -54px; }
.course-cover::after { width: 72px; height: 72px; right: 56px; top: 18px; }
.course-cover-symbol {
  position: relative;
  z-index: 1;
  color: var(--color-primary);
  font-size: 2.4rem;
  line-height: 1;
  font-weight: 700;
  letter-spacing: -.08em;
}
.course-cover-label {
  position: relative;
  z-index: 1;
  color: var(--color-accent);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
}
@media(max-width:680px){
  .course-cover{min-height:108px}
  .course-card-body{padding:22px 22px 6px}
  .course-card > .text-link{margin:18px 22px 24px}
}