/* =========================================================
   TecnoCompara — sistema de diseño
   Grafito + coral. Space Grotesk (títulos) / Inter (cuerpo)
   / JetBrains Mono (specs y datos)
   ========================================================= */

:root {
  --color-bg: #FAFAF8;
  --color-surface: #FFFFFF;
  --color-ink: #1A1D21;
  --color-ink-soft: #565B63;
  --color-accent: #FF5A2E;
  --color-accent-ink: #C7420F;
  --color-accent-soft: #FFE6DA;
  --color-line: #E4E2DC;
  --color-line-strong: #C9C6BE;

  --font-display: "Space Grotesk", "Helvetica Neue", Arial, sans-serif;
  --font-body: "Inter", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", Consolas, monospace;

  --radius: 6px;
  --max-w: 1120px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a {
  color: var(--color-accent-ink);
  text-decoration: none;
}
a:hover { text-decoration: underline; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0 0 0.5em;
}

h1 { font-size: clamp(1.9rem, 4vw, 2.75rem); }
h2 { font-size: clamp(1.4rem, 2.6vw, 1.9rem); margin-top: 2em; }
h3 { font-size: 1.2rem; margin-top: 1.6em; }

p { margin: 0 0 1.1em; }

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 20px;
}

/* -------- Header -------- */
.site-header {
  border-bottom: 1px solid var(--color-line);
  background: var(--color-surface);
  position: sticky;
  top: 0;
  z-index: 20;
}
.site-header__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  max-width: var(--max-w);
  margin: 0 auto;
}
.site-logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-ink);
  display: flex;
  align-items: center;
  gap: 8px;
}
.site-logo:hover { text-decoration: none; }
.site-logo__mark {
  width: 10px;
  height: 10px;
  background: var(--color-accent);
  border-radius: 2px;
  display: inline-block;
}
.site-nav { display: flex; gap: 22px; font-size: 0.95rem; }
.site-nav a { color: var(--color-ink-soft); font-weight: 500; }
.site-nav a:hover { color: var(--color-ink); text-decoration: none; }

/* -------- Breadcrumbs -------- */
.breadcrumbs {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 14px 0 0;
}
.breadcrumbs a { color: var(--color-ink-soft); }
.breadcrumbs .sep { margin: 0 6px; color: var(--color-line-strong); }

/* -------- Hero / listados -------- */
.hero {
  padding: 48px 0 32px;
  border-bottom: 1px solid var(--color-line);
}
.hero p.lede {
  font-size: 1.1rem;
  color: var(--color-ink-soft);
  max-width: 640px;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent-ink);
  background: var(--color-accent-soft);
  padding: 3px 8px;
  border-radius: 4px;
  display: inline-block;
  margin-bottom: 10px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
  margin: 32px 0;
}
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 20px;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.card:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
}
.card h3 { margin-top: 0; font-size: 1.05rem; }
.card h3 a { color: var(--color-ink); }
.card .meta {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* -------- Artículo -------- */
.article-header { padding: 28px 0 12px; }
.article-header .meta-row {
  display: flex;
  gap: 14px;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-ink-soft);
  margin-top: 10px;
}
.tag {
  border: 1px solid var(--color-line-strong);
  border-radius: 4px;
  padding: 2px 7px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.tag--volatil { border-color: var(--color-accent); color: var(--color-accent-ink); }

.article-body {
  max-width: 720px;
  padding: 8px 0 40px;
}
.article-body ul, .article-body ol { padding-left: 1.3em; }
.article-body blockquote {
  border-left: 3px solid var(--color-accent);
  margin: 1.4em 0;
  padding: 0.2em 1em;
  color: var(--color-ink-soft);
  font-style: italic;
}
.article-body code {
  font-family: var(--font-mono);
  background: var(--color-accent-soft);
  padding: 1px 5px;
  border-radius: 3px;
  font-size: 0.9em;
}

/* -------- Ficha de specs (elemento distintivo) -------- */
.spec-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  overflow: hidden;
  margin: 1.6em 0;
  background: var(--color-surface);
}
.spec-strip__item {
  flex: 1 1 140px;
  padding: 14px 16px;
  border-right: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
}
.spec-strip__item:last-child { border-right: none; }
.spec-strip__label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-ink-soft);
  display: block;
  margin-bottom: 4px;
}
.spec-strip__value {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-ink);
}

/* -------- Contenido relacionado -------- */
.related {
  border-top: 1px solid var(--color-line);
  padding-top: 24px;
  margin-top: 40px;
}
.related h2 { margin-top: 0; }

/* -------- CTA afiliado -------- */
.cta-afiliado {
  display: inline-block;
  background: var(--color-ink);
  color: #fff !important;
  font-family: var(--font-display);
  font-weight: 600;
  padding: 12px 22px;
  border-radius: var(--radius);
  text-decoration: none !important;
  margin: 8px 0 20px;
}
.cta-afiliado:hover { background: var(--color-accent-ink); }

.disclosure {
  font-size: 0.82rem;
  color: var(--color-ink-soft);
  border-top: 1px dashed var(--color-line-strong);
  padding-top: 10px;
  margin-top: 30px;
}

/* -------- Footer -------- */
.site-footer {
  border-top: 1px solid var(--color-line);
  margin-top: 60px;
  padding: 32px 0 50px;
  color: var(--color-ink-soft);
  font-size: 0.88rem;
}
.site-footer a { color: var(--color-ink-soft); }
.site-footer .cols {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

@media (max-width: 640px) {
  .site-nav { gap: 14px; font-size: 0.85rem; }
  .card-grid { grid-template-columns: 1fr; }
  .spec-strip__item { flex: 1 1 45%; }
}