/* =============================================================
   Blog de Herramentia — blog.herramentia.com
   Misma familia visual que herramentia.com y las herramientas:
   tema oscuro, acento amarillo, retícula + halo de fondo, HUD.
   ============================================================= */

:root {
  --color-bg: #09090b;
  --color-bg-deep: #030304;
  --color-surface: #111114;
  --color-surface-alt: #1a1a1e;
  --color-surface-hi: #212126;
  --color-text-primary: #ffffff;
  --color-text-secondary: #a1a1aa;
  --color-text-dim: #71717a;
  --color-border: #2a2a30;
  --color-border-soft: #201f24;
  --color-primary: #fef08a;
  --color-primary-hover: #fde047;
  --color-primary-text: #0b0b0d;
  --color-success: #10b981;

  --glow-primary: 0 0 0 1px rgba(254,240,138,.14), 0 0 32px -8px rgba(254,240,138,.28);
  --font-sans: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --r-lg: 20px;
  --r-md: 14px;
  --r-sm: 10px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
  position: relative;
}

body::before {
  content: "";
  position: fixed; inset: 0; z-index: -2; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.022) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 90% 55% at 50% 0%, #000 0%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 90% 55% at 50% 0%, #000 0%, transparent 78%);
}
body::after {
  content: "";
  position: fixed; top: -220px; left: 50%; transform: translateX(-50%);
  width: min(1100px, 130vw); height: 620px; z-index: -1; pointer-events: none;
  background: radial-gradient(ellipse at center, rgba(254,240,138,.07), transparent 68%);
}

img, svg, canvas { display: block; max-width: 100%; }
a { color: var(--color-primary); }
:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 3px; border-radius: 4px; }

.skip-link {
  position: fixed; top: -100px; left: 1rem; z-index: 9999;
  padding: .6rem 1rem; border-radius: 8px; font-weight: 600;
  background: var(--color-primary); color: var(--color-primary-text);
}
.skip-link:focus { top: 1rem; }

.container { max-width: 880px; margin: 0 auto; padding: 20px; }
.container-wide { max-width: 1080px; margin: 0 auto; padding: 20px; }

/* ============ SCROLL REVEAL ============ */
.reveal { opacity: 1; transform: none; }
.js .reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.js .reveal.in-view { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) { .js .reveal { opacity: 1; transform: none; transition: none; } }

/* ============ HEADER (compartido) ============ */
.site-header { text-align: center; margin-top: 22px; margin-bottom: 30px; }

.back-to-hub {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: .8rem; font-weight: 600;
  color: var(--color-text-secondary); text-decoration: none;
  border: 1px solid var(--color-border);
  border-radius: 999px; padding: 5px 13px; margin-bottom: 22px;
  transition: color .2s, border-color .2s, box-shadow .2s;
}
.back-to-hub:hover { color: var(--color-primary); border-color: var(--color-primary); box-shadow: 0 0 20px -6px rgba(254,240,138,.4); }

.header-logo { display: block; margin: 0 auto 18px; height: 60px; width: auto; }

.eyebrow-pill {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: .78rem; font-weight: 600;
  letter-spacing: .12em; text-transform: uppercase; color: var(--color-primary);
  background: rgba(254,240,138,.08); border: 1px solid rgba(254,240,138,.25);
  border-radius: 999px; padding: 6px 14px; margin-bottom: 18px;
}

.site-header h1 {
  font-size: clamp(2rem, 6vw, 2.7rem);
  font-weight: 800; letter-spacing: -0.03em; line-height: 1.08;
  margin-bottom: 12px; color: var(--color-text-primary);
  text-wrap: balance;
}
.site-header .lede {
  font-size: 1.05rem; color: var(--color-text-secondary);
  max-width: 58ch; margin: 0 auto; text-wrap: balance;
}

/* ============ TARJETAS DE ARTÍCULO (listado) ============ */
.post-grid { display: grid; grid-template-columns: 1fr; gap: 16px; margin: 34px 0; }

.post-card {
  display: block; text-decoration: none;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--r-lg);
  padding: 26px 28px;
  transition: border-color .25s var(--ease-out), transform .25s var(--ease-out), box-shadow .25s var(--ease-out);
}
.post-card:hover {
  transform: translateY(-3px);
  border-color: rgba(254,240,138,.5);
  box-shadow: 0 20px 50px -22px rgba(254,240,138,.28);
}
.post-meta {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  font-family: var(--font-mono); font-size: .72rem; font-weight: 600;
  letter-spacing: .04em; text-transform: uppercase; color: var(--color-text-dim);
  margin-bottom: 10px;
}
.post-meta .tag {
  color: var(--color-primary); background: rgba(254,240,138,.08);
  border: 1px solid rgba(254,240,138,.25); border-radius: 999px; padding: 2px 10px;
}
.post-card h2 { font-size: 1.25rem; font-weight: 700; margin-bottom: 8px; letter-spacing: -0.01em; }
.post-card p { color: var(--color-text-secondary); font-size: .94rem; max-width: 68ch; }
.post-cta { display: inline-block; margin-top: 14px; font-weight: 700; color: var(--color-primary); font-size: .88rem; }

.empty-state {
  text-align: center; padding: 48px 24px;
  background-color: var(--color-surface); border: 1px dashed var(--color-border-soft);
  border-radius: var(--r-lg); color: var(--color-text-secondary);
}
.empty-state strong { color: var(--color-text-primary); }

/* ============ AD SLOTS ============ */
.ad-slot {
  position: relative; background-color: var(--color-surface);
  border: 1px dashed var(--color-border); border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden; margin: 30px auto;
}
.ad-slot-leaderboard { width: 100%; height: 90px; }
.ad-slot-rectangle { width: 300px; height: 250px; }

/* ============ PROSA (artículos) ============ */
.prose { margin: 40px 0; }
.prose h2 { font-size: 1.55rem; font-weight: 800; letter-spacing: -0.02em; margin: 34px 0 14px; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { font-size: 1.15rem; font-weight: 700; margin: 26px 0 10px; }
.prose p { color: var(--color-text-secondary); font-size: 1.02rem; line-height: 1.75; margin-bottom: 16px; max-width: 72ch; }
.prose ul, .prose ol { color: var(--color-text-secondary); font-size: 1.02rem; line-height: 1.75; margin: 0 0 16px 1.3em; max-width: 72ch; }
.prose li { margin-bottom: 6px; }
.prose strong { color: var(--color-text-primary); }
.prose a { text-decoration: underline; text-underline-offset: 2px; }

/* Caja "usa la herramienta" — el puente entre el artículo y el tool */
.tool-cta-box {
  background-color: var(--color-surface); border: 1px solid rgba(254,240,138,.3);
  border-radius: var(--r-lg); padding: 24px 26px; margin: 30px 0;
  display: flex; flex-direction: column; gap: 10px;
}
.tool-cta-box .eyebrow { font-family: var(--font-mono); font-size: .72rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--color-primary); }
.tool-cta-box h3 { font-size: 1.1rem; font-weight: 700; }
.tool-cta-box p { color: var(--color-text-secondary); font-size: .95rem; }
.tool-cta-box .btn {
  align-self: flex-start; margin-top: 4px;
  background: var(--color-primary); color: var(--color-primary-text);
  font-weight: 700; font-size: .92rem; text-decoration: none;
  padding: 10px 20px; border-radius: 999px;
}

.post-header { text-align: left; margin-top: 22px; margin-bottom: 26px; }
.post-header .post-meta { margin-bottom: 14px; }
.post-header h1 {
  font-size: clamp(1.8rem, 5vw, 2.5rem); font-weight: 800;
  letter-spacing: -0.03em; line-height: 1.1; margin-bottom: 14px; text-wrap: balance;
}
.post-header .lede { font-size: 1.08rem; color: var(--color-text-secondary); max-width: 68ch; }

/* ============ FAQ (acordeón, patrón compartido) ============ */
.faq-section h2 { font-size: 1.55rem; font-weight: 800; margin-bottom: 20px; letter-spacing: -0.02em; }
.faq-item { background-color: var(--color-surface); border: 1px solid var(--color-border); border-radius: 14px; margin-bottom: 12px; overflow: hidden; }
.faq-question { padding: 15px 16px; cursor: pointer; font-weight: 600; display: flex; justify-content: space-between; align-items: center; gap: 12px; transition: background-color .3s ease; }
.faq-question:hover { background-color: rgba(254,240,138,.05); }
.faq-arrow { width: 8px; height: 8px; border-right: 2px solid var(--color-text-secondary); border-bottom: 2px solid var(--color-text-secondary); transform: rotate(45deg); transition: transform .3s ease; flex-shrink: 0; margin-right: 3px; }
.faq-item.open .faq-arrow { transform: rotate(225deg); }
.faq-answer { padding: 0 16px; max-height: 0; overflow: hidden; transition: max-height .3s ease, padding .3s ease; color: var(--color-text-secondary); }
.faq-item.open .faq-answer { padding: 0 16px 16px 16px; max-height: 600px; }

/* ============ MÁS DEL BLOG / RELACIONADOS ============ */
.more-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; margin: 20px 0 10px; }
.more-link {
  display: block; text-decoration: none; background-color: var(--color-surface);
  border: 1px solid var(--color-border); border-radius: var(--r-md); padding: 18px 20px;
  transition: border-color .2s, transform .2s;
}
.more-link:hover { border-color: var(--color-primary); transform: translateY(-2px); }
.more-link h3 { font-size: 1rem; font-weight: 700; margin-bottom: 6px; color: var(--color-text-primary); }
.more-link p { color: var(--color-text-secondary); font-size: .88rem; }

/* ============ FOOTER ============ */
.site-footer { margin-top: 60px; padding: 30px 0 40px; border-top: 1px solid var(--color-border); text-align: center; color: var(--color-text-secondary); font-size: .85rem; }
.site-footer img { height: 24px; width: auto; margin: 0 auto 12px; }
.site-footer a { color: var(--color-text-secondary); text-decoration: underline; text-underline-offset: 2px; }
.site-footer a:hover { color: var(--color-primary); }
.legal-row a { margin: 0 8px; }

/* prose dentro de las páginas legales */
.prose-legal { margin: 30px 0; }
.prose-legal h2 { font-size: 1.3rem; font-weight: 700; margin: 26px 0 12px; }
.prose-legal p, .prose-legal li { color: var(--color-text-secondary); font-size: .96rem; line-height: 1.7; margin-bottom: 12px; }
.prose-legal ul { margin-left: 1.3em; }

@media (max-width: 640px) {
  .site-header h1 { font-size: 1.8rem; }
  .ad-slot-rectangle { width: 100%; max-width: 300px; }
  .post-card { padding: 22px 20px; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}