/* ============================================
   Raíz Calma — hoja de estilos
   Paleta: musgo, ocre cálido, tinta bosque
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,400;0,9..144,600;1,9..144,500&family=Source+Sans+3:wght@400;500;600;700&display=swap');

:root {
  --bg: #FAF7F1;
  --bg-card: #FFFFFF;
  --ink: #20281F;
  --ink-soft: #4B5548;
  --moss: #5C7A5E;
  --moss-dark: #3F5940;
  --ochre: #C1793C;
  --line: #E3DCCB;
  --max-w: 780px;
  --wide-w: 1080px;
  --ease-calm: cubic-bezier(.4,0,.2,1);
}

/* ---------- Modo Calma (lectura cálida / sepia-noche) ---------- */
html[data-theme="calma"] {
  --bg: #232C21;
  --bg-card: #2B3529;
  --ink: #EDE3D0;
  --ink-soft: #C9BFA8;
  --moss: #8FAF8E;
  --moss-dark: #B7CDA8;
  --ochre: #E0A868;
  --line: #3E4A3A;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: 'Source Sans 3', sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  transition: background-color .45s var(--ease-calm), color .45s var(--ease-calm);
}

h1, h2, h3, .display {
  font-family: 'Fraunces', serif;
  color: var(--ink);
  line-height: 1.15;
  margin: 0 0 0.5em;
  font-weight: 600;
}

a { color: var(--moss-dark); text-decoration: none; transition: color .3s var(--ease-calm); }
a:hover { text-decoration: underline; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--ochre); outline-offset: 3px; }

img { max-width: 100%; display: block; border-radius: 6px; }

/* ---------- Caja "En 3 puntos" (TL;DR) ---------- */
.tldr {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-left: 3px solid var(--ochre);
  border-radius: 8px;
  padding: 1.2rem 1.4rem;
  margin: 1.4rem 0 1.6rem;
  transition: background-color .45s var(--ease-calm), border-color .45s var(--ease-calm);
}
.tldr-label {
  display: block;
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ochre);
  margin-bottom: 0.6rem;
}
.tldr ul { margin: 0; padding-left: 1.2rem; font-size: 0.96rem; }
.tldr li { margin-bottom: 0.4rem; color: var(--ink-soft); }
.tldr li:last-child { margin-bottom: 0; }

/* ---------- Pausa de respiración integrada ---------- */
.breath-pause {
  background: rgba(193, 121, 60, 0.08);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 1.6rem 1.5rem;
  margin: 2.4rem 0;
  text-align: center;
  transition: background-color .45s var(--ease-calm), border-color .45s var(--ease-calm);
}
.breath-pause-wave {
  width: 140px;
  height: 20px;
  display: block;
  margin: 0 auto 0.8rem;
}
.breath-pause-wave path {
  fill: none;
  stroke: var(--ochre);
  stroke-width: 2;
  opacity: 0.6;
  animation: breathe 5s ease-in-out infinite;
}
.breath-pause p {
  margin: 0;
  font-family: 'Fraunces', serif;
  font-style: italic;
  color: var(--ink-soft);
  font-size: 1.02rem;
}
.breath-pause strong { color: var(--ink); font-style: normal; }

/* ---------- Onda de respiración (elemento firma) ---------- */
.breath-wave {
  width: 100%;
  height: 28px;
  display: block;
  margin: 3rem 0;
}
.breath-wave path {
  fill: none;
  stroke: var(--moss);
  stroke-width: 2;
  opacity: 0.55;
  animation: breathe 7s ease-in-out infinite;
}
@keyframes breathe {
  0%   { stroke-width: 2;   opacity: 0.4; }
  50%  { stroke-width: 3.4; opacity: 0.75; }
  100% { stroke-width: 2;   opacity: 0.4; }
}

/* ---------- Barra de progreso de lectura ---------- */
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--moss), var(--ochre));
  z-index: 100;
  transition: width 0.1s linear;
}

/* ---------- Aparición al hacer scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.7s var(--ease-calm), transform 0.7s var(--ease-calm);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .breath-wave path { animation: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .card { transition: none; }
}

/* ---------- Artículos relacionados ---------- */
.related-articles {
  max-width: var(--wide-w);
  margin: 3rem auto;
  padding: 0 1.5rem;
}
.related-articles h2 {
  font-size: 1.2rem;
  margin-bottom: 1.2rem;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.2rem;
}
.related-grid a {
  display: block;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1.1rem 1.2rem;
  color: var(--ink);
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1.4;
}
.related-grid a:hover {
  border-color: var(--moss);
  text-decoration: none;
  color: var(--moss-dark);
}
.related-grid .tag {
  display: block;
  color: var(--moss-dark);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.4rem;
}

/* ---------- Header ---------- */
.site-header {
  border-bottom: 1px solid var(--line);
  padding: 1.1rem 1.5rem;
}
.site-header .wrap {
  max-width: var(--wide-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.logo {
  font-family: 'Fraunces', serif;
  font-weight: 600;
  font-size: 1.35rem;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.logo span { color: var(--moss-dark); }
nav.main-nav { display: flex; gap: 1.6rem; }
nav.main-nav a {
  color: var(--ink-soft);
  font-size: 0.95rem;
  font-weight: 500;
}
nav.main-nav a:hover { color: var(--moss-dark); text-decoration: none; }

/* ---------- Hero ---------- */
.hero {
  max-width: var(--wide-w);
  margin: 0 auto;
  padding: 3.5rem 1.5rem 2rem;
}
.hero .eyebrow {
  color: var(--ochre);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.8rem;
  display: block;
}
.hero h1 {
  font-size: clamp(2.1rem, 4vw, 3.1rem);
  max-width: 14ch;
}
.hero p.lead {
  max-width: 55ch;
  color: var(--ink-soft);
  font-size: 1.15rem;
  margin-top: 1rem;
}

/* ---------- Contenedor general ---------- */
.wrap-narrow { max-width: var(--max-w); margin: 0 auto; padding: 0 1.5rem; }
.wrap-wide { max-width: var(--wide-w); margin: 0 auto; padding: 0 1.5rem; }

/* ---------- Grid de artículos ---------- */
.article-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.8rem;
  margin: 2rem 0 4rem;
}
.card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  transition: transform 0.4s var(--ease-calm), box-shadow 0.4s var(--ease-calm), border-color 0.4s var(--ease-calm), background-color 0.45s var(--ease-calm);
}
.card:hover {
  transform: translateY(-4px);
  border-color: var(--moss);
  box-shadow: 0 10px 24px -12px rgba(193, 121, 60, 0.35);
}
.card .tag {
  color: var(--moss-dark);
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.6rem;
}
.card h3 { font-size: 1.25rem; margin-bottom: 0.6rem; }
.card p { color: var(--ink-soft); font-size: 0.96rem; flex-grow: 1; }
.card .read-more { margin-top: 1rem; font-weight: 600; font-size: 0.9rem; }

/* ---------- Espacio de anuncio ---------- */
.ad-slot {
  max-width: var(--wide-w);
  margin: 2.5rem auto;
  padding: 1.5rem;
  border: 1px dashed var(--line);
  border-radius: 8px;
  text-align: center;
  color: #9A9484;
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  position: relative;
  /* Margen vertical generoso a propósito: evita que elementos flotantes
     (mascota, botones) queden nunca encima de un anuncio real. */
}
.ad-slot::before {
  content: "Publicidad";
  display: block;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.7rem;
  color: #B4AC98;
  margin-bottom: 0.3rem;
}
.ad-slot::after {
  content: "Gracias por apoyar a Raíz Calma";
  display: block;
  font-size: 0.72rem;
  margin-top: 0.2rem;
  color: #B4AC98;
  text-transform: none;
  letter-spacing: 0.01em;
}

/* ---------- Artículo individual ---------- */
.article-header { padding: 3rem 0 1rem; }
.article-header .tag {
  color: var(--moss-dark);
  font-weight: 600;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.article-header h1 { font-size: clamp(1.9rem, 3.5vw, 2.6rem); margin-top: 0.6rem; }
.meta { color: var(--ink-soft); font-size: 0.9rem; margin-top: 0.8rem; }

.article-body { padding-bottom: 4rem; }
.article-body h2 { font-size: 1.5rem; margin-top: 2.2rem; }
.article-body h3 { font-size: 1.2rem; margin-top: 1.6rem; }
.article-body p { margin: 1.1rem 0; }
.article-body ul, .article-body ol { margin: 1.1rem 0; padding-left: 1.4rem; }
.article-body li { margin-bottom: 0.5rem; }
.article-body blockquote {
  border-left: 3px solid var(--ochre);
  margin: 1.8rem 0;
  padding: 0.3rem 0 0.3rem 1.2rem;
  font-style: italic;
  color: var(--ink-soft);
}

/* ---------- Índice de contenidos ---------- */
.toc {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-left: 3px solid var(--moss);
  border-radius: 8px;
  padding: 1.2rem 1.4rem;
  margin: 1.5rem 0 2rem;
}
.toc-label {
  display: block;
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--moss-dark);
  margin-bottom: 0.6rem;
}
.toc ol {
  margin: 0;
  padding-left: 1.2rem;
  font-size: 0.94rem;
}
.toc li { margin-bottom: 0.35rem; }
.toc a { color: var(--ink-soft); }
.toc a:hover { color: var(--moss-dark); }

/* ---------- Caja de autor ---------- */
.author-box {
  max-width: var(--max-w);
  margin: 2rem auto 0;
  padding: 1.1rem 1.3rem;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 0.88rem;
  color: var(--ink-soft);
}

/* ---------- Páginas simples (about, privacidad, etc.) ---------- */
.simple-page { padding: 3rem 0 4rem; }
.simple-page h1 { font-size: clamp(1.8rem, 3vw, 2.4rem); }
.simple-page h2 { font-size: 1.3rem; margin-top: 2rem; }
.simple-page p, .simple-page li { color: var(--ink-soft); }

/* ---------- Footer ---------- */
footer.site-footer {
  border-top: 1px solid var(--line);
  padding: 2.5rem 1.5rem;
  margin-top: 2rem;
}
footer.site-footer .wrap {
  max-width: var(--wide-w);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.88rem;
  color: var(--ink-soft);
}
footer.site-footer a { color: var(--ink-soft); }
footer.site-footer nav { display: flex; gap: 1.2rem; flex-wrap: wrap; }

@media (max-width: 640px) {
  nav.main-nav { display: none; }
}