/*
Theme Name: Focal Point
Theme URI: https://focal-point.info
Author: Focal Point
Description: Theme editorial para Focal Point — vigilancia de literatura científica en ciencias de la salud.
Version: 0.1.0
Text Domain: focalpoint
*/

/* ==========================================================================
   1. DESIGN TOKENS
   ========================================================================== */

:root {
  /* Color */
  --ink: #111111;
  --ink-soft: #3a3a37;
  --muted: #6b6960;
  --paper: #f7f6f2;
  --paper-raised: #edebe3;
  --line: #d8d5c9;
  --accent: #f8c42b;
  --accent-ink: #4a3a00; /* texto legible sobre el amarillo */
  --white: #ffffff;

  /* Tipografía */
  --font-display: "Archivo", "Arial Narrow", sans-serif;
  --font-body: "Source Serif 4", Georgia, serif;
  --font-mono: "IBM Plex Mono", "Courier New", monospace;

  /* Escala */
  --step-label: 0.72rem;
  --step-meta: 0.85rem;
  --step-body: 1.08rem;
  --step-h3: 1.6rem;
  --step-h2: 2.4rem;
  --step-h1: clamp(2.4rem, 5vw, 4.2rem);

  /* Layout */
  --content-max: 1180px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --radius: 2px; /* casi sin radio: tono de publicación, no de app */
}

/* ==========================================================================
   2. RESET MÍNIMO
   ========================================================================== */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--step-body);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.05;
  margin: 0;
  color: var(--ink);
}

.label,
.eyebrow,
.meta {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* Foco visible — accesibilidad, no decorativo */
a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}

/* ==========================================================================
   3. LAYOUT BASE
   ========================================================================== */

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

/* ---- Header ---- */
.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 1.15rem;
  gap: 1.5rem;
}
.site-header__logo { display: inline-flex; }
.site-header__logo svg { height: 47px; width: auto; }
.site-header__nav ul {
  display: flex;
  gap: 1.75rem;
  font-family: var(--font-mono);
  font-size: var(--step-meta);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.site-header__nav a {
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
}
.site-header__nav a:hover { border-color: var(--accent); }

/* ---- Hero ---- */
.hero {
  padding-block: clamp(2.5rem, 6vw, 5rem) clamp(2rem, 5vw, 3.5rem);
  border-bottom: 1px solid var(--line);
}
.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--ink-soft);
  font-size: var(--step-label);
  margin-bottom: 1rem;
}
.hero__eyebrow .mark { color: var(--accent); }
.hero h1 { font-size: var(--step-h1); max-width: 14ch; }
.hero p {
  font-family: var(--font-body);
  color: var(--ink-soft);
  max-width: 46ch;
  margin-top: 1.25rem;
  font-size: 1.15rem;
}

/* ---- Feed / listado editorial ---- */
.feed {
  padding-block: clamp(1.5rem, 4vw, 3rem);
}
.feed__item {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: baseline;
  gap: 1rem;
  padding-block: 1.75rem;
  border-bottom: 1px solid var(--line);
}
.feed__item:first-child { border-top: 1px solid var(--line); }
.feed__title {
  font-size: clamp(1.3rem, 2.4vw, 1.9rem);
  transition: color 0.15s ease;
}
.feed__item a:hover .feed__title { color: var(--muted); }
.feed__excerpt {
  grid-column: 1 / -1;
  font-family: var(--font-body);
  color: var(--ink-soft);
  max-width: 62ch;
  margin-top: 0.35rem;
  font-size: 0.98rem;
}
.feed__meta {
  display: flex;
  gap: 0.9rem;
  align-items: center;
  font-family: var(--font-mono);
  font-size: var(--step-label);
  color: var(--muted);
  white-space: nowrap;
}
.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.15rem 0.55rem;
  background: var(--paper-raised);
  border-radius: var(--radius);
  color: var(--ink-soft);
}
.tag--sponsored::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  display: inline-block;
}

/* ---- Artículo individual ---- */
.article-head {
  padding-block: clamp(2rem, 5vw, 3.5rem) 1.5rem;
  border-bottom: 1px solid var(--line);
}
.article-head .meta {
  color: var(--muted);
  font-size: var(--step-label);
  margin-bottom: 0.9rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
.article-head h1 { font-size: var(--step-h2); max-width: 22ch; }
.article-head .original-title {
  font-family: var(--font-body);
  font-style: italic;
  color: var(--ink-soft);
  margin-top: 0.75rem;
  max-width: 60ch;
}

.article-body {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  padding-block: clamp(2rem, 5vw, 3rem);
  align-items: start;
}
@media (max-width: 780px) {
  .article-body { grid-template-columns: 1fr; }
}

.block-label {
  font-family: var(--font-mono);
  font-size: var(--step-label);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.block-label .mark { width: 14px; height: 14px; color: var(--accent); }

.extracto p { margin: 0 0 1rem; color: var(--ink-soft); }

.punto-focal {
  background: var(--paper-raised);
  border-left: 3px solid var(--accent);
  padding: 1.5rem;
}
.punto-focal p {
  font-family: var(--font-body);
  margin: 0;
  color: var(--ink);
}

.reference-box {
  grid-column: 1 / -1;
  border-top: 1px solid var(--line);
  padding-top: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.6;
}

/* ---- Banner de patrocinio (condicional por categoría) ---- */
.sponsor-strip {
  background: var(--sponsor-bg, var(--paper-raised));
  border-bottom: 1px solid var(--line);
  padding-block: 0.9rem;
}
.sponsor-strip__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-family: var(--font-mono);
  font-size: var(--step-label);
}
.sponsor-strip img { height: 22px; width: auto; }
.sponsor-strip__disclosure { color: var(--sponsor-ink, var(--muted)); }

/* ---- Footer ---- */
.site-footer {
  border-top: 1px solid var(--line);
  padding-block: 2.5rem;
  margin-top: 3rem;
}
.site-footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}
.site-footer .meta { color: var(--muted); font-size: var(--step-label); }