/* ============================================================
   BLOG — Sistema de diseño (heredado de la landing de perfil)
   Ricardo Torales · paleta monocroma ejecutiva
============================================================ */
:root {
  /* Ink — superficies oscuras */
  --ink-950: #08080a;
  --ink-900: #0e0e11;
  --ink-800: #1b1b20;

  /* Zinc — neutros */
  --white:    #ffffff;
  --zinc-50:  #fafafa;
  --zinc-100: #f4f4f5;
  --zinc-200: #e4e4e7;
  --zinc-300: #d4d4d8;
  --zinc-400: #a1a1aa;
  --zinc-500: #71717a;
  --zinc-600: #52525b;
  --zinc-700: #3f3f46;

  /* Señales funcionales */
  --success-500: #10b981;
  --gold-700: #6b5326;
  --gold-100: #f7f2e8;

  /* Tipografía */
  --font-display: 'Space Grotesk', system-ui, -apple-system, sans-serif;
  --font-sans:    'Hanken Grotesk', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-mono:    'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  /* Sombras */
  --shadow-md: 0 4px 16px rgba(0,0,0,.10), 0 2px 6px rgba(0,0,0,.07);
  --shadow-lg: 0 10px 40px rgba(0,0,0,.12), 0 4px 12px rgba(0,0,0,.08);

  /* Layout */
  --container-max: 1100px;
  --reading-max: 720px;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --gradient-hero: radial-gradient(120% 120% at 50% -10%, #1b1b20 0%, #0e0e11 52%, #08080a 100%);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; scroll-padding-top: 84px; }

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--zinc-600);
  background: var(--zinc-50);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: var(--ink-900); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--zinc-500); }

.container { max-width: var(--container-max); margin: 0 auto; padding: 0 24px; }

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* ============================================================
   NAV (sticky, oscuro — idéntico a la landing)
============================================================ */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(14,14,17,.86);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.nav-inner {
  max-width: var(--container-max);
  margin: 0 auto; padding: 0 24px; height: 64px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-brand { display: flex; align-items: center; gap: 12px; }
.nav-monogram {
  width: 38px; height: 38px; border-radius: 11px;
  border: 1px solid rgba(255,255,255,.18);
  background: rgba(255,255,255,.06);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-weight: 700; font-size: 15px;
  letter-spacing: -1px; color: #fff;
}
.nav-name {
  font-family: var(--font-display); font-weight: 600; font-size: .98rem;
  letter-spacing: -.01em; color: #fff;
}
.nav-links { display: flex; align-items: center; gap: 26px; list-style: none; }
.nav-links a {
  color: rgba(255,255,255,.6); font-size: .85rem; font-weight: 500;
  letter-spacing: -.01em;
}
.nav-links a:hover, .nav-links a.active { color: #fff; }
.nav-cta {
  padding: 8px 16px; border-radius: 8px; background: #fff;
  color: var(--ink-900) !important; font-weight: 600 !important;
}
.nav-cta:hover { background: var(--zinc-200); }
.nav-cta-mobile { display: none; }

@media (max-width: 860px) {
  .nav-links { display: none; }
  .nav-cta-mobile {
    display: inline-flex; padding: 8px 16px; border-radius: 8px;
    background: #fff; color: var(--ink-900); font-weight: 600; font-size: .85rem;
  }
}

/* ============================================================
   BOTONES / TAGS (heredados)
============================================================ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--font-sans); font-weight: 600; font-size: .9rem;
  padding: 13px 26px; border-radius: 8px; line-height: 1;
  white-space: nowrap; cursor: pointer; transition: all .2s ease;
}
.btn svg { flex-shrink: 0; }
.btn-primary { background: var(--ink-900); color: #fff; border: 1.5px solid var(--ink-900); }
.btn-primary:hover { background: var(--ink-800); color: #fff; transform: translateY(-1px); }
.btn-outline { background: transparent; color: var(--ink-900); border: 1.5px solid var(--zinc-300); }
.btn-outline:hover { border-color: var(--ink-900); color: var(--ink-900); transform: translateY(-1px); }
.btn-white { background: #fff; color: var(--ink-900); border: 1.5px solid #fff; }
.btn-white:hover { background: var(--zinc-100); transform: translateY(-1px); }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .75rem; font-weight: 700; letter-spacing: .14em;
  text-transform: uppercase; color: var(--ink-900);
}
.eyebrow::before {
  content: ''; display: block; width: 24px; height: 2px;
  background: var(--ink-900); border-radius: 2px;
}
.eyebrow--dark { color: rgba(255,255,255,.85); }
.eyebrow--dark::before { background: rgba(255,255,255,.85); }

.tag {
  display: inline-flex; align-items: center; font-size: .775rem; font-weight: 500;
  padding: 4px 10px; border-radius: 6px; background: var(--zinc-100);
  color: var(--zinc-600); border: 1px solid var(--zinc-200);
}
.tag--cat {
  font-family: var(--font-mono); font-size: .7rem; font-weight: 500;
  letter-spacing: .04em; text-transform: uppercase; color: var(--ink-900);
  background: var(--white); border-color: var(--zinc-300);
}

/* ============================================================
   BLOG — HUB (encabezado oscuro + listado)
============================================================ */
.blog-hero {
  background: var(--gradient-hero); color: #fff;
  padding: 88px 0 72px; position: relative; overflow: hidden;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.blog-hero .container { position: relative; z-index: 2; }
.blog-hero h1 {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(2.2rem, 5vw, 3.4rem); line-height: 1.04;
  letter-spacing: -.03em; color: #fff; margin: 16px 0 0; max-width: 720px;
}
.blog-hero p {
  font-size: 1.06rem; line-height: 1.65; color: rgba(255,255,255,.66);
  max-width: 620px; margin: 18px 0 0;
}
.blog-hero-glow {
  position: absolute; top: -30%; right: -10%; width: 480px; height: 480px;
  background: radial-gradient(circle, rgba(255,255,255,.06) 0%, transparent 70%);
  pointer-events: none;
}

.posts-wrap { padding: 72px 0 96px; }
.posts-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px;
}
@media (max-width: 760px) { .posts-grid { grid-template-columns: 1fr; } }

.post-card {
  display: flex; flex-direction: column;
  background: var(--white); border: 1px solid var(--zinc-200);
  border-radius: 16px; overflow: hidden; transition: all .25s var(--ease-out);
}
.post-card:hover {
  border-color: var(--zinc-300); transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}
.post-card-cover {
  aspect-ratio: 16 / 9; position: relative; overflow: hidden;
  display: flex; align-items: flex-end; padding: 18px;
  color: #fff; isolation: isolate;
}
.post-card-cover::after {
  content: ''; position: absolute; inset: 0; z-index: -1;
  background: var(--cover, var(--gradient-hero));
}
.post-card-cover .tag--cat {
  color: #fff; background: rgba(255,255,255,.14);
  border-color: rgba(255,255,255,.25); backdrop-filter: blur(4px);
}
.post-card-body { padding: 22px 24px 26px; display: flex; flex-direction: column; flex: 1; }
.post-card h2 {
  font-family: var(--font-display); font-weight: 600;
  font-size: 1.24rem; line-height: 1.22; letter-spacing: -.02em;
  color: var(--ink-900); margin: 0;
}
.post-card h2 a { color: inherit; }
.post-card h2 a:hover { color: var(--zinc-600); }
.post-card-excerpt {
  font-size: .94rem; line-height: 1.6; color: var(--zinc-500);
  margin: 12px 0 0;
}
.post-card-meta {
  display: flex; align-items: center; gap: 12px; margin-top: auto;
  padding-top: 20px; font-family: var(--font-mono);
  font-size: .74rem; color: var(--zinc-400); letter-spacing: .02em;
}
.post-card-meta .dot { width: 3px; height: 3px; border-radius: 50%; background: var(--zinc-300); }

/* ============================================================
   ARTÍCULO (post individual)
============================================================ */
.breadcrumb {
  font-family: var(--font-mono); font-size: .74rem; color: var(--zinc-400);
  letter-spacing: .02em; padding: 24px 0 0;
}
.breadcrumb a { color: var(--zinc-500); }
.breadcrumb a:hover { color: var(--ink-900); }
.breadcrumb span { margin: 0 8px; color: var(--zinc-300); }

.article-header {
  max-width: var(--reading-max); margin: 0 auto; padding: 28px 24px 0; text-align: left;
}
.article-header .tag--cat { margin-bottom: 20px; }
.article-title {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(2rem, 4.5vw, 3rem); line-height: 1.08;
  letter-spacing: -.03em; color: var(--ink-900); margin: 14px 0 0;
}
.article-lead {
  font-size: 1.16rem; line-height: 1.6; color: var(--zinc-500);
  margin: 22px 0 0; font-weight: 400;
}
.article-meta {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  margin: 28px 0 0; padding: 22px 0; border-top: 1px solid var(--zinc-200);
  border-bottom: 1px solid var(--zinc-200);
}
.article-author { display: flex; align-items: center; gap: 12px; }
.article-author-avatar {
  width: 42px; height: 42px; border-radius: 50%; object-fit: cover;
  border: 1px solid var(--zinc-200);
}
.article-author-name { font-weight: 600; color: var(--ink-900); font-size: .9rem; }
.article-author-role { font-size: .78rem; color: var(--zinc-500); }
.article-meta-stats {
  margin-left: auto; display: flex; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-size: .74rem; color: var(--zinc-400);
}
.article-meta-stats .dot { width: 3px; height: 3px; border-radius: 50%; background: var(--zinc-300); }

/* Cuerpo del artículo — tipografía editorial */
.article-body {
  max-width: var(--reading-max); margin: 0 auto; padding: 8px 24px 0;
  font-size: 1.08rem; line-height: 1.8; color: var(--zinc-700);
}
.article-body > * + * { margin-top: 1.5em; }
.article-body h2 {
  font-family: var(--font-display); font-weight: 700;
  font-size: 1.62rem; line-height: 1.2; letter-spacing: -.02em;
  color: var(--ink-900); margin-top: 2.2em; scroll-margin-top: 88px;
}
.article-body h3 {
  font-family: var(--font-display); font-weight: 600;
  font-size: 1.24rem; line-height: 1.3; letter-spacing: -.01em;
  color: var(--ink-900); margin-top: 1.8em;
}
.article-body p { color: var(--zinc-700); }
.article-body a {
  color: var(--ink-900); text-decoration: underline;
  text-decoration-color: var(--zinc-300); text-underline-offset: 3px;
}
.article-body a:hover { text-decoration-color: var(--ink-900); }
.article-body strong { color: var(--ink-900); font-weight: 600; }
.article-body ul, .article-body ol { padding-left: 1.4em; }
.article-body li { margin-top: .6em; }
.article-body li::marker { color: var(--zinc-400); }
.article-body blockquote {
  border-left: 3px solid var(--ink-900); padding: 4px 0 4px 22px;
  margin-left: 0; font-size: 1.18rem; line-height: 1.55;
  color: var(--ink-900); font-weight: 500; font-style: normal;
}
.article-body code {
  font-family: var(--font-mono); font-size: .86em;
  background: var(--zinc-100); border: 1px solid var(--zinc-200);
  padding: 2px 6px; border-radius: 5px; color: var(--ink-800);
}
.article-body pre {
  background: var(--ink-950); color: var(--zinc-100);
  padding: 20px 22px; border-radius: 12px; overflow-x: auto;
  font-family: var(--font-mono); font-size: .84rem; line-height: 1.6;
}
.article-body pre code { background: none; border: 0; padding: 0; color: inherit; }

.callout {
  background: var(--white); border: 1px solid var(--zinc-200);
  border-left: 3px solid var(--ink-900); border-radius: 10px;
  padding: 20px 24px; box-shadow: var(--shadow-md);
}
.callout strong { color: var(--ink-900); }
.callout .callout-label {
  display: block; font-family: var(--font-mono); font-size: .7rem;
  letter-spacing: .1em; text-transform: uppercase; color: var(--zinc-400);
  margin-bottom: 8px;
}

.key-takeaways {
  background: var(--ink-950); color: rgba(255,255,255,.82);
  border-radius: 16px; padding: 30px 32px; box-shadow: var(--shadow-lg);
}
.key-takeaways h2 {
  color: #fff !important; font-size: 1.2rem !important; margin: 0 0 16px !important;
  font-family: var(--font-display);
}
.key-takeaways ul { list-style: none; padding: 0; }
.key-takeaways li {
  padding-left: 26px; position: relative; margin-top: 12px;
  color: rgba(255,255,255,.78); font-size: .98rem;
}
.key-takeaways li::before {
  content: '→'; position: absolute; left: 0; color: var(--success-500);
  font-weight: 700;
}

/* Bio del autor al pie */
.author-box {
  max-width: var(--reading-max); margin: 64px auto 0; padding: 32px 24px;
}
.author-box-inner {
  display: flex; gap: 20px; align-items: flex-start;
  background: var(--white); border: 1px solid var(--zinc-200);
  border-radius: 16px; padding: 28px 30px; box-shadow: var(--shadow-md);
}
.author-box img {
  width: 64px; height: 64px; border-radius: 50%; object-fit: cover;
  border: 1px solid var(--zinc-200); flex-shrink: 0;
}
.author-box-name {
  font-family: var(--font-display); font-weight: 600; font-size: 1.05rem;
  color: var(--ink-900);
}
.author-box-role { font-size: .84rem; color: var(--zinc-500); margin: 2px 0 10px; }
.author-box p { font-size: .92rem; line-height: 1.6; color: var(--zinc-600); }
.author-box-links { display: flex; gap: 16px; margin-top: 14px; }
.author-box-links a {
  font-size: .82rem; font-weight: 600; color: var(--ink-900);
  display: inline-flex; align-items: center; gap: 6px;
}
.author-box-links a:hover { color: var(--zinc-500); }

/* Posts relacionados */
.related {
  max-width: var(--container-max); margin: 0 auto; padding: 72px 24px 0;
}
.related h2 {
  font-family: var(--font-display); font-weight: 700; font-size: 1.4rem;
  letter-spacing: -.02em; color: var(--ink-900); margin-bottom: 28px;
}
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
@media (max-width: 760px) { .related-grid { grid-template-columns: 1fr; } }
.related-card {
  background: var(--white); border: 1px solid var(--zinc-200);
  border-radius: 14px; padding: 22px 24px; transition: all .25s var(--ease-out);
}
.related-card:hover { border-color: var(--zinc-300); transform: translateY(-3px); box-shadow: var(--shadow-md); }
.related-card .tag--cat { font-size: .66rem; margin-bottom: 12px; }
.related-card h3 {
  font-family: var(--font-display); font-weight: 600; font-size: 1.02rem;
  line-height: 1.28; letter-spacing: -.01em; color: var(--ink-900);
}
.related-card h3 a { color: inherit; }
.related-card h3 a:hover { color: var(--zinc-500); }

.article-cta {
  max-width: var(--reading-max); margin: 56px auto 0; padding: 0 24px;
}
.article-cta-inner {
  background: var(--gradient-hero); color: #fff; border-radius: 18px;
  padding: 44px 40px; text-align: center;
}
.article-cta-inner h2 {
  font-family: var(--font-display); font-weight: 700; font-size: 1.5rem;
  letter-spacing: -.02em; color: #fff; margin: 0 0 10px;
}
.article-cta-inner p { color: rgba(255,255,255,.66); max-width: 440px; margin: 0 auto 24px; }

/* ============================================================
   FOOTER (heredado)
============================================================ */
footer {
  background: var(--ink-950); color: rgba(255,255,255,.55);
  text-align: center; padding: 48px 24px; margin-top: 96px;
  font-size: .84rem; line-height: 1.7;
}
footer a { color: rgba(255,255,255,.8); }
footer a:hover { color: #fff; }
.footer-updated { font-family: var(--font-mono); font-size: .74rem; color: rgba(255,255,255,.35); margin-top: 8px; }

/* ============================================================
   REVEAL / MOTION
============================================================ */
.js .rt-reveal {
  opacity: 0; transform: translateY(24px);
  transition: opacity .6s var(--ease-out), transform .6s var(--ease-out);
}
.js .rt-reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .rt-reveal { opacity: 1 !important; transform: none !important; }
  html { scroll-behavior: auto; }
}