/* ============================================================
   Blog de freaknerd.co
   Hereda todo de tokens.css. Aquí solo va lo propio del blog.
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--fn-surface-dark);
  color: var(--fn-ink-on-dark);
  font-family: var(--fn-font-body);
  font-weight: var(--fn-weight-body-lt);
  font-size: var(--fn-size-body);
  line-height: var(--fn-leading-body);
  -webkit-font-smoothing: antialiased;
}

/* Firma de la casa, igual que en la landing. */
body::before {
  content: "";
  position: fixed; top: 0; left: 0; right: 0;
  height: 3px; z-index: 30; pointer-events: none;
  background: var(--fn-signature);
}

.wrap { max-width: 760px; margin-inline: auto; padding-inline: var(--fn-gutter); }

h1, h2, h3 { font-weight: var(--fn-weight-display); margin: 0; }
p { margin: 0 0 var(--fn-space-4); }
.dim { color: var(--fn-ink-on-dark-mute); }
.light .dim { color: var(--fn-ink-on-light-mute); }
.light { background: var(--fn-surface-light); color: var(--fn-ink-on-light); }

.kicker {
  font-family: var(--fn-font-mono);
  font-size: var(--fn-size-mono);
  font-weight: 500;
  letter-spacing: var(--fn-track-mono);
  text-transform: uppercase;
  color: var(--fn-green);
  margin: 0 0 var(--fn-space-6);
}

/* ---------- barra ---------- */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding-block: var(--fn-space-4);
  border-bottom: 1px solid var(--fn-rule-on-dark);
  max-width: var(--fn-max-width);
}
.wordmark {
  font-family: var(--fn-font-display); font-weight: 900; font-size: 1.25rem;
  letter-spacing: -0.04em; color: var(--fn-ink-on-dark);
  text-decoration: none; display: inline-flex; align-items: baseline;
}
.wordmark i { color: var(--fn-green); font-style: normal; margin-left: 1px; }
.topbar nav { display: flex; gap: var(--fn-space-6); }
.topbar a.nav {
  font-family: var(--fn-font-mono); font-size: var(--fn-size-mono);
  letter-spacing: var(--fn-track-mono); text-transform: uppercase;
  color: var(--fn-ink-on-dark-mute); text-decoration: none;
  transition: color var(--fn-dur-hover) ease;
}
@media (hover: hover) and (pointer: fine) {
  .topbar a.nav:hover { color: var(--fn-ink-on-dark); }
}

/* ---------- cabecera de la entrada ---------- */
.post-head { padding-block: clamp(3rem, 7vw, 5.5rem) clamp(2.5rem, 5vw, 4rem); }
.post-head h1 {
  font-size: clamp(2rem, 1.3rem + 2.9vw, 3.4rem);
  line-height: var(--fn-leading-snug);
  letter-spacing: var(--fn-track-h2);
}
.post-head .lead {
  font-size: var(--fn-size-lead); line-height: 1.5;
  font-weight: var(--fn-weight-body);
  margin-top: var(--fn-space-6);
}
.post-head .meta {
  font-family: var(--fn-font-mono); font-size: var(--fn-size-mono);
  letter-spacing: var(--fn-track-mono); text-transform: uppercase;
  color: var(--fn-ink-on-dark-mute);
  margin: var(--fn-space-8) 0 0;
  padding-top: var(--fn-space-4);
  border-top: 1px solid var(--fn-rule-on-dark);
}

/* ---------- portada dentro del artículo ----------
   Mismo archivo que la tarjeta de compartir: ya trae marca, titular y foto,
   así que no hace falta un segundo tratamiento que repita lo mismo. */
.post-visual { background: var(--fn-surface-dark); padding-bottom: clamp(1.5rem, 3vw, 2.5rem); }
.visual {
  display: block; width: 100%; height: auto;
  border-radius: var(--fn-radius-md);
  border: 1px solid var(--fn-rule-on-dark);
}

/* ---------- cuerpo ----------
   Fondo claro: el resto del sitio es oscuro, pero 600 palabras en blanco
   sobre negro cansan. Aquí manda la lectura, no la coherencia cromática. */
.post-body { padding-block: clamp(3rem, 6vw, 4.5rem); }
.post-body .wrap > * { max-width: 68ch; }
.post-body h2 {
  font-size: clamp(1.3rem, 1.1rem + 0.9vw, 1.75rem);
  line-height: var(--fn-leading-snug); letter-spacing: -0.015em;
  margin: var(--fn-space-12) 0 var(--fn-space-4);
  padding-top: var(--fn-space-4);
  border-top: 2px solid var(--fn-green-ink);
}
.post-body .wrap > *:first-child { margin-top: 0; }
.post-body p { font-size: 1.0625rem; line-height: 1.7; margin-bottom: var(--fn-space-6); }
.post-body strong { font-weight: var(--fn-weight-body); color: var(--fn-ink-on-light); }
.post-body em { font-style: italic; }
.post-body a { color: var(--fn-green-ink); text-underline-offset: 3px; }
.post-body ul { margin: 0 0 var(--fn-space-6); padding-left: 1.1rem; }
.post-body li { margin-bottom: var(--fn-space-3); line-height: 1.7; }
.post-body table {
  width: 100%; border-collapse: collapse;
  margin: var(--fn-space-8) 0;
  font-size: 0.97rem;
}
.post-body th, .post-body td {
  text-align: left; vertical-align: top;
  padding: var(--fn-space-3) var(--fn-space-4) var(--fn-space-3) 0;
  border-bottom: 1px solid var(--fn-rule-on-light);
}
.post-body th {
  font-family: var(--fn-font-mono);
  font-size: var(--fn-size-mono);
  letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--fn-green-ink);
  border-bottom: 2px solid var(--fn-green-ink);
  font-weight: 600;
}
.post-body tr:last-child td { border-bottom: 0; }
@media (max-width: 640px) {
  /* Una tabla no se comprime: en móvil se desliza en su propia caja. */
  .post-body table { display: block; overflow-x: auto; white-space: nowrap; }
}

.post-body blockquote {
  margin: var(--fn-space-8) 0; padding-left: var(--fn-space-6);
  border-left: 2px solid var(--fn-green-ink);
}
.post-body blockquote p { font-size: var(--fn-size-lead); margin: 0; }

/* ---------- cierre ---------- */
.post-cta { padding-block: clamp(3rem, 6vw, 4.5rem); }
.post-cta h2 {
  font-size: clamp(1.5rem, 1.2rem + 1.4vw, 2.25rem);
  line-height: var(--fn-leading-snug); letter-spacing: var(--fn-track-h2);
  max-width: 18ch;
}
.post-cta .lead { margin-top: var(--fn-space-4); font-size: var(--fn-size-lead); }
.volver { margin-top: var(--fn-space-8); }
.volver a {
  font-family: var(--fn-font-mono); font-size: var(--fn-size-mono);
  letter-spacing: var(--fn-track-mono); text-transform: uppercase;
  color: var(--fn-ink-on-dark-mute); text-decoration: none;
}
@media (hover: hover) and (pointer: fine) {
  .volver a:hover { color: var(--fn-green); }
}

.btn {
  display: inline-flex; align-items: center; gap: var(--fn-space-3);
  margin-top: var(--fn-space-6);
  padding: var(--fn-space-3) var(--fn-space-6);
  font-family: var(--fn-font-mono); font-size: var(--fn-size-mono);
  letter-spacing: var(--fn-track-mono); text-transform: uppercase;
  color: var(--fn-black); background: var(--fn-green);
  border: 0; border-radius: var(--fn-radius-sm); text-decoration: none;
  transition: transform var(--fn-dur-press) var(--fn-ease-out),
              background-color var(--fn-dur-hover) ease;
}
@media (hover: hover) and (pointer: fine) {
  .btn:hover { background: var(--fn-green-lite); }
}
.btn:active { transform: scale(0.97); }
.btn:focus-visible { outline: 2px solid var(--fn-green); outline-offset: 3px; }

/* ---------- índice ----------
   Más ancho que el cuerpo de una entrada: aquí conviven miniatura y texto,
   y a 760px los dos quedan apretados. */
.blog-index .wrap { max-width: 980px; }
.blog-index section { padding-block: clamp(3rem, 7vw, 5.5rem); }
.blog-index h1 {
  font-size: clamp(2.2rem, 1.5rem + 3vw, 3.6rem);
  line-height: var(--fn-leading-snug); letter-spacing: var(--fn-track-h2);
}
.blog-index .lead {
  font-size: var(--fn-size-lead); line-height: 1.5;
  margin-top: var(--fn-space-6); max-width: 54ch;
}
.cards { list-style: none; margin: var(--fn-space-16) 0 0; padding: 0; display: grid; gap: 0; }
.card { border-top: 1px solid var(--fn-rule-on-dark); }
.card:last-child { border-bottom: 1px solid var(--fn-rule-on-dark); }
.card a {
  display: grid; gap: var(--fn-space-6);
  padding: var(--fn-space-8) 0;
  text-decoration: none; color: inherit;
  transition: background-color var(--fn-dur-hover) ease;
}
@media (min-width: 720px) {
  .card a { grid-template-columns: 260px 1fr; align-items: start; }
}
.thumb {
  display: block; width: 100%; height: auto;
  border-radius: var(--fn-radius-md);
  border: 1px solid var(--fn-rule-on-dark);
}
.card h2 {
  font-size: clamp(1.4rem, 1.2rem + 1vw, 2rem);
  line-height: var(--fn-leading-snug); letter-spacing: var(--fn-track-h2);
  margin-bottom: var(--fn-space-3);
}
.card .kicker { margin-bottom: var(--fn-space-3); }
.card .mas {
  display: inline-block; margin-top: var(--fn-space-4);
  font-family: var(--fn-font-mono); font-size: var(--fn-size-mono);
  letter-spacing: var(--fn-track-mono); text-transform: uppercase;
  color: var(--fn-green);
}
@media (hover: hover) and (pointer: fine) {
  .card a:hover { background: var(--fn-surface-dark-2); }
}

/* ---------- pie ---------- */
footer {
  border-top: 1px solid var(--fn-rule-on-dark);
  padding-block: var(--fn-space-8);
  display: flex; flex-wrap: wrap; gap: var(--fn-space-4);
  align-items: center; justify-content: space-between;
  font-family: var(--fn-font-mono); font-size: var(--fn-size-mono);
  letter-spacing: var(--fn-track-mono); text-transform: uppercase;
  color: var(--fn-ink-on-dark-mute);
  max-width: var(--fn-max-width);
}
footer a { color: inherit; text-decoration: none; transition: color var(--fn-dur-hover) ease; }
@media (hover: hover) and (pointer: fine) { footer a:hover { color: var(--fn-green); } }
.foot-links { display: flex; flex-wrap: wrap; gap: var(--fn-space-6); }

@media (prefers-reduced-motion: reduce) {
  .btn:active { transform: none; }
}