/* cjbarroso.com — sistema de marca CJB: navy + un solo acento terracota */
:root {
  --navy: #1b2a45;
  --navy-deep: #142033;
  --terracotta: #c2603e;
  --stone: #ede8de;
  --slate: #9aa3bf;
  --gray-on-light: #5c6578;

  --bg: #fff;
  --fg: var(--navy);
  --muted: var(--gray-on-light);
  --card: #f6f3ec;
  --line: #e3ded2;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: var(--navy);
    --fg: var(--stone);
    --muted: var(--slate);
    --card: var(--navy-deep);
    --line: #2a3a58;
  }
}
:root[data-theme="dark"] {
  --bg: var(--navy);
  --fg: var(--stone);
  --muted: var(--slate);
  --card: var(--navy-deep);
  --line: #2a3a58;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.65 -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
img { max-width: 100%; height: auto; }
a { color: var(--terracotta); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--terracotta); outline-offset: 3px; }
.wrap { max-width: 960px; margin: 0 auto; padding: 0 16px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--terracotta); color: #fff; padding: 8px 14px; border-radius: 6px; z-index: 20; }
.skip:focus { left: 8px; }

/* Navbar */
nav.top { position: sticky; top: 0; z-index: 10; background: var(--bg); border-bottom: 1px solid var(--line); }
nav.top .wrap { display: flex; align-items: center; gap: 28px; height: 64px; }
nav.top .logo { display: flex; }
nav.top .logo img { height: 34px; width: auto; }
.mono-dark { display: none; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .mono-light { display: none; }
  :root:not([data-theme="light"]) .mono-dark { display: inline; }
}
:root[data-theme="dark"] .mono-light { display: none; }
:root[data-theme="dark"] .mono-dark { display: inline; }
:root[data-theme="light"] .mono-light { display: inline; }
:root[data-theme="light"] .mono-dark { display: none; }

nav.top ul { display: flex; gap: 24px; list-style: none; margin: 0 0 0 auto; padding: 0; font-size: 15px; }
nav.top ul a { color: var(--fg); padding-bottom: 2px; }
nav.top ul a:hover { text-decoration: none; color: var(--terracotta); }
nav.top ul a[aria-current="page"] { color: var(--terracotta); border-bottom: 2px solid var(--terracotta); }
.icon-btn { background: none; border: 1px solid var(--line); color: var(--fg); border-radius: 6px; padding: 4px 10px; cursor: pointer; font: inherit; font-size: 13px; }
.icon-btn:hover { border-color: var(--terracotta); }
#menu-btn { display: none; }

/* Hero */
.hero { background: var(--navy); color: var(--stone); position: relative; overflow: hidden; }
.hero .wrap { display: grid; grid-template-columns: 1fr 260px; gap: 40px; align-items: center; padding-top: 72px; padding-bottom: 205px; position: relative; z-index: 2; }
.eyebrow { color: var(--terracotta); font-size: 13px; letter-spacing: 0.14em; text-transform: uppercase; font-weight: 700; margin: 0 0 14px; }
.hero h1 { font-size: clamp(34px, 5vw, 52px); line-height: 1.1; margin: 0 0 18px; font-weight: 800; letter-spacing: -0.01em; }
.hero h1 .j { color: var(--terracotta); }
.hero p.lead { opacity: 0.92; font-size: 19px; margin: 0 0 28px; max-width: 34em; }
.hero img.pic { width: 100%; border-radius: 4px; border: 2px solid var(--terracotta); padding: 6px; background: var(--navy-deep); display: block; }
.hero .signal { position: absolute; left: 0; right: 0; bottom: -1px; line-height: 0; z-index: 1; }
.hero .signal img { width: 100%; height: auto; display: block; }

.cta { display: flex; flex-wrap: wrap; gap: 12px; }
.btn { display: inline-block; padding: 11px 20px; border-radius: 6px; font-weight: 700; font-size: 15px; }
.btn:hover { text-decoration: none; }
.btn.primary { background: var(--terracotta); color: #fff; }
.btn.primary:hover { filter: brightness(1.08); }
.btn.ghost { border: 1.5px solid var(--slate); color: var(--stone); }
.btn.ghost:hover { border-color: var(--stone); }
.btn.outline { border: 1.5px solid var(--terracotta); color: var(--terracotta); }
.btn.outline:hover { background: var(--terracotta); color: #fff; }

/* Secciones */
section { padding: 56px 0; }
section.tight { padding-top: 0; }
h2.kicker { font-size: 14px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--terracotta); margin: 0 0 6px; }
h3.title { font-size: 28px; margin: 0 0 24px; line-height: 1.2; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 20px; display: flex; flex-direction: column; }
.card .k { color: var(--terracotta); font-size: 12px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; }
.card h4 { margin: 6px 0 8px; font-size: 18px; line-height: 1.3; }
.card p { margin: 0 0 12px; color: var(--muted); font-size: 15px; }
.card a.more { margin-top: auto; font-weight: 700; font-size: 15px; }

/* Libros */
.books { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.book { display: grid; grid-template-columns: 120px 1fr; gap: 20px; background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 20px; }
.book img { width: 100%; border-radius: 3px; display: block; box-shadow: 0 2px 8px rgba(20, 32, 51, 0.25); }
.book h4 { margin: 0 0 4px; font-size: 19px; line-height: 1.25; }
.book .sub { font-style: italic; color: var(--muted); margin: 0 0 10px; font-size: 15px; }
.book .meta { font-size: 13px; color: var(--muted); margin: 0 0 14px; }

/* Charlas */
.talks { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.talk { background: var(--card); border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.talk img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; display: block; }
.talk .body { padding: 14px 16px 18px; }
.talk .when { color: var(--terracotta); font-size: 12px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; }
.talk h4 { margin: 4px 0 6px; font-size: 17px; line-height: 1.3; }
.talk p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.5; }
.more-row { margin-top: 24px; }

/* Páginas de texto */
.page { padding: 56px 0 72px; }
.page h1 { font-size: clamp(30px, 4.5vw, 42px); line-height: 1.15; margin: 0 0 12px; }
.page .lead { font-size: 19px; color: var(--muted); margin: 0 0 32px; max-width: 36em; }
.prose { max-width: 40em; }
.prose h2 { font-size: 22px; margin: 40px 0 10px; }
.prose ul { padding-left: 1.2em; }
.prose li { margin: 0 0 10px; }
.prose li strong { color: var(--fg); }
.rule { width: 48px; height: 3px; background: var(--terracotta); border: 0; margin: 0 0 24px; }

/* Banda de cierre y footer */
.band { background: var(--navy); color: var(--stone); text-align: center; padding: 64px 0; }
.band h3 { font-size: 30px; margin: 0 0 12px; }
.band p { color: var(--slate); margin: 0 0 24px; }
footer.site { background: var(--navy-deep); color: var(--slate); font-size: 14px; padding: 28px 0; }
footer.site .wrap { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
footer.site .brand { display: flex; align-items: center; gap: 12px; color: var(--stone); }
footer.site .brand img { height: 26px; width: auto; }
footer.site ul { display: flex; flex-wrap: wrap; gap: 6px 18px; list-style: none; margin: 0; padding: 0; }
footer.site a { color: var(--slate); }
footer.site a:hover { color: var(--stone); text-decoration: none; }

@media (max-width: 720px) {
  body { font-size: 16px; }
  nav.top .wrap { gap: 14px; }
  #menu-btn { display: inline-block; margin-left: auto; }
  nav.top ul { display: none; position: absolute; top: 64px; left: 0; right: 0; flex-direction: column; gap: 0; margin: 0; padding: 8px 16px 16px; background: var(--bg); border-bottom: 1px solid var(--line); }
  nav.top ul.open { display: flex; }
  nav.top ul a { display: block; padding: 10px 0; }
  .hero .wrap { grid-template-columns: 1fr; padding-top: 48px; padding-bottom: 140px; }
  .hero .pic-wrap { order: -1; max-width: 180px; }
  .cards, .talks, .books { grid-template-columns: 1fr; }
  .book { grid-template-columns: 90px 1fr; }
}
@media print {
  nav.top, .band, footer.site, .hero .signal { display: none; }
}

/* Writing: lista unificada con filtro por fuente */
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 28px; }
.chip { background: none; border: 1px solid var(--line); color: var(--fg); border-radius: 999px; padding: 5px 14px; font: inherit; font-size: 14px; cursor: pointer; }
.chip:hover { border-color: var(--terracotta); }
.chip.active { background: var(--terracotta); border-color: var(--terracotta); color: #fff; }
.posts h3.year { font-size: 14px; letter-spacing: 0.14em; color: var(--terracotta); margin: 32px 0 8px; border-bottom: 1px solid var(--line); padding-bottom: 6px; }
.post { padding: 14px 0; border-bottom: 1px solid var(--line); max-width: 44em; }
.post[hidden], .posts h3.year[hidden] { display: none; }
.post .meta { font-size: 13px; color: var(--muted); }
.post .src { color: var(--terracotta); font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; font-size: 12px; }
.post h4 { margin: 2px 0 4px; font-size: 18px; line-height: 1.35; }
.post h4 a { color: var(--fg); }
.post h4 a:hover { color: var(--terracotta); text-decoration: none; }
.post p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.5; }