/* ============ Colores (modo claro / oscuro) ============ */
:root {
  --bg: #fbfaf7;
  --text: #222;
  --muted: #666;
  --accent: #1f5f8b;
  --border: #e3e0d8;
  --card: #fff;
  --maxw: 760px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #16181b;
    --text: #e4e4e4;
    --muted: #9aa0a6;
    --accent: #7cb8e4;
    --border: #2c3036;
    --card: #1d2024;
  }
}

/* ============ Base ============ */
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 "Source Sans 3", system-ui, -apple-system, "Segoe UI", sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { font-family: "Source Serif 4", Georgia, serif; font-weight: 600; line-height: 1.25; }
h2 {
  font-size: 1.35rem;
  margin: 2.2rem 0 .8rem;
  padding-bottom: .3rem;
  border-bottom: 1px solid var(--border);
}
h3 { font-size: 1.05rem; margin: 1.6rem 0 .4rem; }
ul { padding-left: 1.2rem; margin: .3rem 0; }
li { margin: .25rem 0; }
.muted { color: var(--muted); }

/* ============ Layout ============ */
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 16px; }

header.site {
  border-bottom: 1px solid var(--border);
  background: var(--card);
}
header.site .container {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: .5rem 1.5rem; padding-top: .9rem; padding-bottom: .9rem;
}
header.site .brand { font-family: "Source Serif 4", Georgia, serif; font-weight: 600; font-size: 1.1rem; color: var(--text); }
nav a { margin-left: 1.2rem; color: var(--muted); }
nav a:first-child { margin-left: 0; }
nav a.active { color: var(--accent); font-weight: 600; }

main { padding: 1.5rem 0 3rem; }

footer.site {
  border-top: 1px solid var(--border);
  padding: 1.2rem 0 2rem;
  font-size: .9rem;
  color: var(--muted);
}

/* ============ Home: encabezado con foto ============ */
.hero { display: flex; gap: 1.5rem; align-items: center; margin-top: 1rem; }
.hero img {
  width: 120px; height: 120px; object-fit: cover; border-radius: 50%;
  border: 3px solid var(--border); flex-shrink: 0;
}
.hero h1 { margin: 0 0 .3rem; font-size: 2rem; }
.hero p { margin: 0; color: var(--muted); }
.links { margin-top: .6rem; display: flex; flex-wrap: wrap; gap: .4rem .9rem; font-size: .95rem; }

@media (max-width: 560px) {
  .hero { flex-direction: column; text-align: center; }
  .links { justify-content: center; }
  nav a { margin-left: .9rem; }
}

/* Listas de dos columnas (intereses) */
.cols { columns: 2 260px; column-gap: 2rem; }
.cols li { break-inside: avoid; }

/* Pares "etiqueta: contenido" */
dl.info { display: grid; grid-template-columns: max-content 1fr; gap: .4rem 1.2rem; margin: 0; }
dl.info dt { font-weight: 600; }
dl.info dd { margin: 0; }
@media (max-width: 560px) {
  dl.info { grid-template-columns: 1fr; }
  dl.info dd { margin-bottom: .6rem; }
}

/* ============ Talks ============ */
.talks li { margin: .55rem 0; }
.talks .where { color: var(--muted); }
.tag {
  display: inline-block; font-size: .72rem; padding: .05rem .45rem; margin-left: .3rem;
  border: 1px solid var(--border); border-radius: 999px; color: var(--muted); vertical-align: middle;
}

/* ============ Music ============ */
.photos { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1rem; margin: 1rem 0; }
.photos figure { margin: 0; }
.photos img { width: 100%; height: auto; border-radius: 6px; display: block; }
.photos figcaption { font-size: .9rem; color: var(--muted); margin-top: .3rem; }

/* ============ Home: novedades ============ */
ul.news { list-style: none; padding: 0; }
ul.news li { display: grid; grid-template-columns: 4.5rem 1fr; gap: 1rem; margin: .55rem 0; }
ul.news time { color: var(--muted); font-variant-numeric: tabular-nums; font-size: .95rem; padding-top: .05rem; }
ul.news .tag { margin-left: 0; margin-right: .2rem; }
@media (max-width: 560px) {
  ul.news li { grid-template-columns: 1fr; gap: 0; }
}

/* ============ Publicaciones seleccionadas ============ */
ul.pubs { padding-left: 1.2rem; }
ul.pubs li { margin: .6rem 0; }
ul.pubs .muted { font-size: .92rem; }

/* ============ Selector de idioma ============ */
nav a.lang {
  border: 1px solid var(--border); border-radius: 4px;
  padding: .05rem .4rem; font-size: .85rem;
}

/* ============ Proyectos ============ */
.project { display: grid; grid-template-columns: 200px 1fr; gap: 1.2rem; align-items: start; margin: 1rem 0; }
.project img { width: 100%; height: auto; border-radius: 6px; border: 1px solid var(--border); background: #fff; display: block; }
.project h3 { margin-top: 0; }
.project p { margin: .4rem 0; }
@media (max-width: 560px) {
  .project { grid-template-columns: 1fr; }
  .project img { max-width: 320px; }
}

/* ============ Separación académico / hobbies ============ */
nav { display: flex; flex-wrap: wrap; align-items: center; row-gap: .3rem; }
nav .nav-sep { width: 1px; height: 1.1em; background: var(--border); margin-left: 1.2rem; }
nav a.offduty { font-style: italic; }
.aside { margin-top: 2.5rem; font-size: .92rem; color: var(--muted); border-top: 1px dashed var(--border); padding-top: 1rem; }

/* Foto destacada a todo el ancho en la galería */
.photos { grid-template-columns: repeat(2, 1fr); }
.photos figure.wide { grid-column: 1 / -1; }
@media (max-width: 560px) { .photos { grid-template-columns: 1fr; } }

/* Línea de tiempo de la trayectoria (reusa el estilo de novedades) */
ul.timeline time { white-space: nowrap; }
ul.timeline li { grid-template-columns: 5.5rem 1fr; }
ul.timeline + dl.info { margin-top: 1rem; }
@media (max-width: 560px) { ul.timeline li { grid-template-columns: 1fr; } }