:root {
  /* Fondo y superficies */
  --bg: #0D1117;
  --surface: #161B22;
  --border: #262C36;

  /* Texto */
  --text-primary: #E6EDF3;
  --text-secondary: #8B949E;

  /* Primario turquesa */
  --accent: #17BEB6;
  --accent-hover: #0E8C86;
  --accent-soft: #123B39;

  /* Secundarios */
  --coral: #FF6B4A;
  --success: #3FC97A;
  --warning: #F5B944;
  --error: #F2545B;

  --radius: 12px;
  --radius-sm: 8px;
  --space: clamp(1.25rem, 4vw, 3rem);
  --maxw: 880px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.15s ease;
}

a:hover {
  color: var(--accent-hover);
}

.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* ---------- Header / Nav ---------- */
.site-header {
  border-bottom: 1px solid var(--border);
  background: rgba(13, 17, 23, 0.8);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.site-header .container {
  max-width: none;
  width: 100%;
  padding: 0.9rem var(--space);
}

.header-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 1.5rem;
}

.brand {
  display: flex;
  align-items: center;
  justify-self: start;
}

.brand-logo {
  height: 48px;
  width: auto;
  display: block;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.25rem 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav a {
  color: var(--text-secondary);
  font-size: 1.2rem;
  padding: 0.25rem 0;
}

.nav a:hover,
.nav a[aria-current="true"] {
  color: var(--accent);
}

.nav a[aria-current="true"] {
  border-bottom: 2px solid var(--accent);
}

/* ---------- Social nav ---------- */
.social-nav {
  display: flex;
  gap: 0.75rem;
  list-style: none;
  margin: 0;
  padding: 0;
  justify-self: end;
}

.social-nav a {
  color: var(--text-secondary);
  font-size: 1.4rem;
  transition: color 0.15s ease;
}

.social-nav a:hover {
  color: var(--accent);
}

/* ---------- Hero ---------- */
.hero {
  padding: var(--space) 0 calc(var(--space) * 0.6);
}

.hero h1 {
  font-size: clamp(1.8rem, 5vw, 2.8rem);
  margin: 0 0 0.6rem;
  letter-spacing: -0.02em;
}

.hero p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 60ch;
  margin: 0;
}

/* ---------- Layout principal ---------- */
main {
  padding: var(--space) 0;
}

.section-title {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0 0 1.25rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.section-title::before {
  content: "";
  width: 4px;
  height: 1.1em;
  background: var(--accent);
  border-radius: 2px;
}

/* ---------- Grid de tarjetas ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

/* ---------- Publicaciones (una fila con scroll horizontal) ---------- */
.publications-scroll {
  display: flex;
  flex-wrap: nowrap;
  overflow-x: auto;
  gap: 1.25rem;
  padding: 0 0 0.5rem;
  margin: 0;
  list-style: none;
  scrollbar-width: none;
  -ms-overflow-style: none;
  cursor: grab;
  user-select: none;
  -webkit-user-select: none;
}

.publications-scroll.dragging {
  cursor: grabbing;
}

.publications-scroll::-webkit-scrollbar {
  display: none;
}

.publications-scroll .card {
  flex: 0 0 320px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

/* ---------- Tarjetas de menú igualadas a "Más recientes" ---------- */
.project-card,
.publications-scroll .card {
  background: var(--bg);
  border: none;
  border-radius: 0;
}

.project-card:hover,
.publications-scroll .card:hover {
  border-color: var(--bg);
  transform: none;
}

.card-image {
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, var(--accent-soft), var(--surface));
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.card-body {
  padding: 1rem 1.1rem 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1;
}

.card-meta {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.reading-time {
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.reading-time::before {
  content: "\f017";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  font-size: 0.8rem;
}

.post-author {
  font-weight: 600;
}

.post-author::before {
  content: "\f007";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  font-size: 0.8rem;
  margin-right: 0.4rem;
}

.meta-dot {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.dot {
  color: var(--text-secondary);
  font-size: 1.2rem;
  font-weight: 900;
  line-height: 1;
}

.card-title {
  font-size: 1.02rem;
  line-height: 1.4;
  margin: 0;
}

.card-title a {
  color: var(--text-primary);
}

.card-title a:hover {
  color: var(--accent);
}

.card-excerpt {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-tags {
  margin-top: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

/* ---------- Sección: Más recientes ---------- */
.recent {
  margin-top: var(--space);
}

.recent-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 4rem;
  align-items: stretch;
}

.recent-side {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.card--featured .card-title {
  font-size: 2.4rem;
  line-height: 1.15;
}

.card--featured .card-image {
  aspect-ratio: 16 / 9;
}

.card--featured .card-excerpt {
  font-size: 1.05rem;
  -webkit-line-clamp: 6;
}

.card--featured,
.card--side {
  background: var(--bg);
  border: none;
}

.card--featured,
.card--featured:hover {
  border-radius: 0;
}

.card--featured:hover {
  border-color: var(--border);
  transform: none;
}

.card--side .card-title {
  font-size: 1.1rem;
  line-height: 1.3;
}

.card--side,
.card--side:hover {
  border-radius: 0;
}

.card--side:hover {
  border-color: var(--border);
  transform: none;
}

.card--side .card-image {
  aspect-ratio: 16 / 9;
}

/* ---------- Badges / Chips ---------- */
.badge {
  display: inline-block;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  line-height: 1.4;
}

.badge:hover {
  color: var(--accent);
  background: rgba(23, 190, 182, 0.2);
}

.badge--coral {
  background: rgba(255, 107, 74, 0.15);
  color: var(--coral);
}

/* ---------- Proyecto (bloque en landing) ---------- */
.project {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.4rem;
  margin-bottom: 1.25rem;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.project:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.project-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.project-name {
  font-size: 1.3rem;
  margin: 0;
}

.project-name a {
  color: var(--text-primary);
}

.project-name a:hover {
  color: var(--accent);
}

.project-count {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.project-parts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 1rem;
}

/* ---------- Grid de proyectos (landing) ---------- */
.projects-section {
  margin-top: var(--space);
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.project-card .project-card-title {
  font-size: 1.25rem;
}

.project-card .project-count {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

/* ---------- Página /tags/projects/ ---------- */
.projects-hero {
  padding-bottom: calc(var(--space) * 0.6);
}

.projects-hero h1 {
  font-size: clamp(1.8rem, 5vw, 2.8rem);
  margin: 0 0 0.6rem;
  letter-spacing: -0.02em;
}

.projects-hero p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 60ch;
  margin: 0;
}

.projects-featured {
  display: grid;
  grid-template-columns: 3fr 1fr;
  gap: 1.5rem;
  align-items: stretch;
  background: var(--bg);
  border: none;
  border-radius: 0;
  overflow: hidden;
  margin: var(--space) 0 calc(var(--space) * 4);
}

.projects-featured-image {
  height: 100%;
}

.projects-featured-body {
  padding: 1.4rem 1.6rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  justify-content: center;
}

.projects-featured-title {
  font-size: clamp(1.4rem, 3vw, 2rem);
  line-height: 1.2;
  margin: 0;
}

.projects-featured-title a {
  color: var(--text-primary);
}

.projects-featured-title a:hover {
  color: var(--accent);
}

.projects-featured-body .card-excerpt {
  font-size: 1rem;
  -webkit-line-clamp: 4;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem;
}

/* ---------- Sección reviews (landing) ---------- */
.reviews-section {
  margin-top: var(--space);
}

/* ---------- Tags list ---------- */
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  padding: 0;
  margin: 0;
  list-style: none;
}

.tag-cloud a {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  border-radius: 999px;
  padding: 0.4rem 0.9rem;
  font-size: 0.9rem;
  transition: border-color 0.15s ease, color 0.15s ease;
}

.tag-cloud a:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ---------- Post individual ---------- */
.post-header {
  margin-bottom: 2rem;
}

.post-header h1 {
  font-size: clamp(1.6rem, 4.5vw, 2.4rem);
  line-height: 1.25;
  margin: 0 0 0.6rem;
  letter-spacing: -0.02em;
}

.post-meta {
  color: var(--text-secondary);
  font-size: 0.9rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  align-items: center;
}

.post-meta .badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

/* Navegación de partes (serie) */
.series-nav {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.series-nav li a,
.series-nav li span {
  display: inline-block;
  min-width: 2.1rem;
  text-align: center;
  padding: 0.3rem 0.55rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--surface);
}

.series-nav li span.current {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
}

/* Imagen destacada del post */
.post-cover {
  margin: 0 0 2rem;
  overflow: hidden;
  border: 1px solid var(--border);
}

.post-cover img {
  width: 100%;
  display: block;
}

/* ---------- Contenido del post (markdown) ---------- */
.post-content {
  font-size: 1.06rem;
}

.post-content > :first-child {
  margin-top: 0;
}

.post-content h2,
.post-content h3,
.post-content h4 {
  margin-top: 2.2rem;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.post-content h2 {
  font-size: 1.5rem;
  padding-bottom: 0.3rem;
  border-bottom: 1px solid var(--border);
}

.post-content p {
  margin: 1.1rem 0;
}

.post-content a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.post-content img {
  max-width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.post-content ul,
.post-content ol {
  padding-left: 1.4rem;
}

.post-content li {
  margin: 0.4rem 0;
}

.post-content blockquote {
  margin: 1.5rem 0;
  padding: 0.2rem 1.2rem;
  border-left: 4px solid var(--accent);
  background: var(--surface);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-secondary);
}

.post-content blockquote p {
  margin: 0.5rem 0;
}

.post-content code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 0.9em;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 0.1em 0.35em;
  color: var(--coral);
}

.post-content pre {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.3rem;
  overflow-x: auto;
  margin: 1.5rem 0;
  line-height: 1.6;
}

.post-content pre code {
  background: none;
  border: none;
  padding: 0;
  color: var(--text-primary);
  font-size: 0.92rem;
}

.post-content hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2rem 0;
}

.post-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.95rem;
}

.post-content th,
.post-content td {
  border: 1px solid var(--border);
  padding: 0.6rem 0.9rem;
  text-align: left;
}

.post-content th {
  background: var(--surface);
  color: var(--text-primary);
}

/* ---------- Navegación prev/next del post ---------- */
.post-nav {
  margin-top: 3rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
}

.post-nav a {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.2rem;
  color: var(--text-primary);
  display: block;
  transition: border-color 0.15s ease;
}

.post-nav a:hover {
  border-color: var(--accent);
  color: var(--text-primary);
}

.post-nav .label {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  margin-bottom: 0.25rem;
}

.post-nav .next {
  text-align: right;
  justify-self: end;
}

.post-nav .prev {
  justify-self: start;
}

.post-nav .placeholder {
  background: transparent;
  border-color: transparent;
}

/* ---------- Lista de posts simple (páginas de tag) ---------- */
.post-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.post-list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--border);
}

.post-list li:last-child {
  border-bottom: none;
}

.post-list .list-date {
  color: var(--text-secondary);
  font-size: 0.85rem;
  white-space: nowrap;
}

.post-list a {
  color: var(--text-primary);
}

.post-list a:hover {
  color: var(--accent);
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--border);
  padding: var(--space) 0;
  color: var(--text-secondary);
  font-size: 0.9rem;
  text-align: center;
}

.site-footer .container {
  max-width: none;
  width: 100%;
  padding: 0 var(--space);
}

/* ---------- Home (landing) ---------- */
.home {
  width: 100%;
  max-width: min(85vw, 1700px);
  margin: 0 auto;
  padding: var(--space) 1.25rem;
}

/* ---------- Prose para páginas de contenido (about) ---------- */
.prose {
  max-width: 65ch;
}

.prose h1 {
  font-size: clamp(1.6rem, 4.5vw, 2.4rem);
  letter-spacing: -0.02em;
}

/* ---------- Responsive ---------- */
@media (max-width: 560px) {
  .header-grid {
    grid-template-columns: auto 1fr;
    gap: 0.75rem;
  }

  .social-nav {
    grid-column: 1 / -1;
    justify-self: end;
  }

  .site-header .container {
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
  }

  .post-nav {
    grid-template-columns: 1fr;
  }

  .post-nav .next,
  .post-nav .prev {
    justify-self: stretch;
    text-align: left;
  }
}