/* =============================================================
   BIMCORE — Ingeniería mecánica en el núcleo del BIM.
   Landing page. Single stylesheet, sectioned per skill convention.
   ============================================================= */

/* =============================================================
   1. Tokens
   ============================================================= */
:root {
  /* Brand — from the BIMCORE brand manual v1.0 */
  --navy:       #001F5B;   /* primary — structure, headings, text */
  --navy-700:   #0B2E6B;   /* hover / depth on navy */
  --navy-900:   #001233;   /* deepest ink */
  --sky:        #00AEEF;   /* primary accent — energy, links, flow */
  --orange:     #FF6B35;   /* secondary accent — CTA only, used sparingly */
  --orange-ink: #D83A00;   /* text-safe orange */

  /* Neutrals — blue-grey, biased toward the brand hue on purpose */
  --slate:      #5C6B85;
  --slate-soft: #8A96AC;
  --line:       #D8DFEA;
  --surface:    #F5F7FB;
  --surface-2:  #EBEFF7;
  --paper:      #FFFFFF;

  /* Semantic (platform states only — never decorative) */
  --success:    #1FA971;

  --bg:         var(--paper);
  --ink:        var(--navy-900);
  --ink-soft:   var(--slate);

  --sans: "Inter", "Segoe UI", system-ui, -apple-system, Arial, sans-serif;
  --mono: "IBM Plex Mono", "SFMono-Regular", ui-monospace, Menlo, Consolas, monospace;

  --ease-out:  cubic-bezier(0.16, 1, 0.3, 1);
  --ease-soft: cubic-bezier(0.25, 0.46, 0.45, 0.94);

  --container: 1180px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --radius-card: 18px;
  --radius-pill: 999px;
  --radius-tight: 8px;
}

@property --mesh-angle { syntax: "<angle>"; inherits: false; initial-value: 0deg; }
@property --mesh-x     { syntax: "<percentage>"; inherits: false; initial-value: 30%; }
@property --mesh-y     { syntax: "<percentage>"; inherits: false; initial-value: 40%; }

/* =============================================================
   2. Reset & base
   ============================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; }
html { -webkit-text-size-adjust: 100%; tab-size: 2; scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
  overscroll-behavior-y: none;
}
img, svg, video { display: block; max-width: 100%; }
img { height: auto; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }
a { color: inherit; text-decoration: none; }
p { text-wrap: pretty; }
h1, h2, h3, h4 { text-wrap: balance; line-height: 1.05; letter-spacing: -0.02em; font-weight: 800; }
ul { list-style: none; padding: 0; }
::selection { background: var(--sky); color: var(--navy-900); }

:focus-visible {
  outline: 2px solid var(--sky);
  outline-offset: 3px;
  border-radius: 4px;
}

/* =============================================================
   3. Utilities
   ============================================================= */
.skip-link {
  position: fixed; top: -100px; left: 1rem;
  padding: .6rem 1rem; background: var(--navy); color: #fff;
  z-index: 9999; border-radius: var(--radius-tight); font-weight: 600;
  transition: top .3s var(--ease-out);
}
.skip-link:focus { top: 1rem; }

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .5em;
  font-family: var(--mono);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--slate);
}
.eyebrow::before {
  content: "";
  width: .4em; height: .4em;
  border-radius: 50%;
  background: var(--sky);
  flex: none;
}
.eyebrow--on-dark { color: #AFC2E8; }
.eyebrow--on-dark::before { background: var(--sky); }

.section-head {
  max-width: 46rem;
  margin-bottom: clamp(2.25rem, 5vw, 3.5rem);
}
.section-head h2 { margin-top: .6rem; }
.section-head p { margin-top: .9rem; font-size: 1.05rem; color: var(--slate); max-width: 42ch; }

.section { padding-block: clamp(4rem, 9vw, 7rem); }
.section--alt { background: var(--surface); }

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

/* =============================================================
   4. Typography
   ============================================================= */
.display-xl {
  font-size: clamp(2.35rem, 5.6vw, 4.35rem);
  letter-spacing: -0.03em;
  line-height: 1.02;
}
.display-lg {
  font-size: clamp(2rem, 3.6vw, 2.85rem);
  letter-spacing: -0.025em;
}
.body-lg { font-size: 1.15rem; line-height: 1.65; }

.mono-label {
  font-family: var(--mono);
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
}

/* =============================================================
   5. Components
   ============================================================= */

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  padding: .85rem 1.5rem;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: .96rem;
  line-height: 1;
  white-space: nowrap;
  transition: transform .5s var(--ease-soft), box-shadow .5s var(--ease-soft), background-color .3s var(--ease-out), color .3s var(--ease-out), border-color .3s var(--ease-out);
}
.btn svg { flex: none; }
.btn:active .magnetic-inner,
.btn:active { transition-duration: .12s; }

.btn-primary {
  background: var(--sky);
  color: var(--navy-900);
  box-shadow: 0 10px 24px -8px rgba(0, 174, 239, 0.55);
}
.btn-primary:hover { box-shadow: 0 18px 34px -8px rgba(0, 174, 239, 0.6); transform: translateY(-2px); }

.btn-whatsapp {
  background: var(--orange);
  color: #fff;
  box-shadow: 0 10px 24px -8px rgba(255, 107, 53, 0.5);
}
.btn-whatsapp:hover { box-shadow: 0 18px 34px -8px rgba(255, 107, 53, 0.55); transform: translateY(-2px); }

.btn-ghost-on-dark {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255,255,255,0.35);
}
.btn-ghost-on-dark:hover { border-color: #fff; background: rgba(255,255,255,0.08); transform: translateY(-2px); }

.btn-outline {
  background: transparent;
  color: var(--navy);
  border: 1.5px solid var(--line);
}
.btn-outline:hover { border-color: var(--navy); transform: translateY(-2px); }

.btn-sm { padding: .62rem 1.15rem; font-size: .86rem; }

/* Magnetic wrapper — see 1.2 in effects catalog */
.has-magnetic { display: inline-flex; position: relative; isolation: isolate; }
.magnetic-inner {
  display: inline-flex; align-items: center; justify-content: center; gap: inherit;
  will-change: transform;
  transition: transform .8s var(--ease-soft);
}

/* --- Nav --- */
.nav {
  position: fixed; top: 0; inset-inline: 0; z-index: 100;
  padding-block: 1.1rem;
  transition: background-color .4s var(--ease-out), box-shadow .4s var(--ease-out), padding .4s var(--ease-out);
}
.nav-row { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }
.nav-brand { display: flex; align-items: center; gap: .6rem; font-weight: 800; font-size: 1.05rem; letter-spacing: -0.01em; }
.nav-brand-mark { position: relative; width: 30px; height: 31px; flex: none; }
.nav-brand-mark img { position: absolute; inset: 0; width: 100%; height: 100%; transition: opacity .4s var(--ease-out); }
.nav-brand-mark .on-dark { opacity: 1; }
.nav-brand-mark .on-light { opacity: 0; }
.nav-brand-name span { color: var(--sky); }
.nav-brand-name { color: #fff; transition: color .4s var(--ease-out); }

.nav-links { display: none; align-items: center; gap: 2.1rem; }
.nav-link { position: relative; padding: .25rem 0; font-size: .92rem; font-weight: 500; color: rgba(255,255,255,0.82); transition: color .3s var(--ease-out); }
.nav-link::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -3px;
  height: 1px; background: currentColor;
  transform: scaleX(0); transform-origin: right;
  transition: transform .45s var(--ease-soft);
}
.nav-link:hover::after { transform: scaleX(1); transform-origin: left; }
.nav-link:hover { color: #fff; }

.nav-actions { display: flex; align-items: center; gap: .9rem; }
/* The full-text WhatsApp CTA only fits once the inline nav links also have
   room (≥720px); below that it would collide with the hamburger, so it
   lives in the mobile menu panel instead (see .mobile-menu-foot). */
.nav-actions > .btn { display: none; }
.nav-toggle {
  display: inline-flex; width: 40px; height: 40px; align-items: center; justify-content: center;
  border-radius: var(--radius-tight);
}
.nav-toggle-bars { position: relative; width: 18px; height: 12px; }
.nav-toggle-bars span {
  position: absolute; left: 0; width: 100%; height: 1.6px; background: #fff;
  transition: transform .35s var(--ease-out), opacity .35s var(--ease-out), background-color .3s var(--ease-out);
}
.nav-toggle-bars span:nth-child(1) { top: 0; }
.nav-toggle-bars span:nth-child(2) { top: 5px; }
.nav-toggle-bars span:nth-child(3) { top: 10px; }
.nav.is-scrolled, .nav--on-light { background: rgba(255,255,255,0.94); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); box-shadow: 0 1px 0 var(--line); padding-block: .8rem; }
.nav.is-scrolled .nav-brand-mark .on-dark, .nav--on-light .nav-brand-mark .on-dark { opacity: 0; }
.nav.is-scrolled .nav-brand-mark .on-light, .nav--on-light .nav-brand-mark .on-light { opacity: 1; }
.nav.is-scrolled .nav-brand-name, .nav--on-light .nav-brand-name { color: var(--navy); }
.nav.is-scrolled .nav-link, .nav--on-light .nav-link { color: var(--slate); }
.nav.is-scrolled .nav-link:hover, .nav--on-light .nav-link:hover { color: var(--navy); }
.nav.is-scrolled .nav-toggle-bars span, .nav--on-light .nav-toggle-bars span { background: var(--navy); }
.nav.is-scrolled .btn-ghost-on-dark, .nav--on-light .btn-ghost-on-dark { color: var(--navy); border-color: var(--line); }
.nav.is-scrolled .btn-ghost-on-dark:hover, .nav--on-light .btn-ghost-on-dark:hover { border-color: var(--navy); background: var(--surface); }

@media (min-width: 720px) {
  .nav-actions > .btn { display: inline-flex; }
}

@media (min-width: 960px) {
  .nav-links { display: flex; }
  .nav-toggle { display: none; }
}

/* --- Mobile menu --- */
.mobile-menu {
  position: fixed; inset: 0; z-index: 99;
  background: var(--navy);
  display: flex; flex-direction: column;
  padding: 6rem var(--gutter) 3rem;
  transform: translateY(-100%);
  transition: transform .5s var(--ease-out);
}
.mobile-menu.is-open { transform: translateY(0); }
.mobile-menu-links { display: flex; flex-direction: column; gap: 1.6rem; margin-bottom: 2.5rem; }
.mobile-menu-links a { font-size: 1.6rem; font-weight: 700; color: #fff; }
.mobile-menu-foot { margin-top: auto; display: flex; flex-direction: column; gap: 1rem; }

/* --- Cards --- */
.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  transition: transform .5s var(--ease-soft), box-shadow .5s var(--ease-soft), border-color .5s var(--ease-soft);
}

/* --- Pills / badges --- */
.pill {
  display: inline-flex; align-items: center;
  padding: .3rem .7rem;
  border-radius: var(--radius-pill);
  font-family: var(--mono);
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .04em;
  background: var(--surface-2);
  color: var(--navy);
}
.pill-accent { background: var(--orange); color: #fff; }
.pill-sky { background: var(--sky); color: #fff; }

/* =============================================================
   6. Sections
   ============================================================= */

/* --- Hero --- */
.hero {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  background: var(--navy);
  padding-top: clamp(7.5rem, 14vw, 10rem);
  padding-bottom: clamp(4rem, 9vw, 6.5rem);
}
.hero-mesh {
  position: absolute; inset: -15%; z-index: -2;
  background:
    radial-gradient(55% 45% at var(--mesh-x) var(--mesh-y), rgba(0,174,239,.35), transparent 62%),
    conic-gradient(from var(--mesh-angle), rgba(11,46,107,.55), rgba(0,174,239,.12), rgba(255,107,53,.12), rgba(11,46,107,.55));
  filter: blur(90px) saturate(120%);
  opacity: .85;
}
.hero-inner {
  position: relative; z-index: 1;
  display: grid;
  gap: clamp(2.5rem, 6vw, 3.5rem);
}
.hero-copy { max-width: 40rem; }
.hero-copy .eyebrow { margin-bottom: 1.1rem; }
.hero-copy h1 { color: #fff; }
.hero-copy h1 em { font-style: normal; color: var(--sky); }
.hero-copy .body-lg { color: #C7D3EC; margin-top: 1.3rem; max-width: 38ch; }

.hero-actions { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: 2.1rem; }

.hero-strip {
  display: flex; flex-wrap: wrap; gap: .5rem 1.4rem;
  margin-top: 2.3rem;
  font-family: var(--mono);
  font-size: .74rem;
  letter-spacing: .03em;
  color: #94A6CC;
}
.hero-strip span { display: inline-flex; align-items: center; gap: .5rem; }
.hero-strip span::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--sky); }

.hero-visual { position: relative; width: 100%; aspect-ratio: 1 / 1; max-width: 340px; margin-inline: auto; }
.hero-arcs { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-arcs circle { transform-origin: 200px 200px; }
.arc-a { animation: spin-cw 46s linear infinite; }
.arc-b { animation: spin-ccw 64s linear infinite; }
.arc-c { animation: spin-cw 88s linear infinite; }
.arc-d { animation: spin-ccw 34s linear infinite; stroke-dasharray: 14 26; animation: spin-ccw 34s linear infinite, dash-flow 5s linear infinite; }

.hero-mark {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
}
.hero-mark img { width: 34%; animation: mark-breathe 7s var(--ease-soft) infinite; filter: drop-shadow(0 18px 40px rgba(0,0,0,0.35)); }

@keyframes spin-cw  { to { transform: rotate(360deg); } }
@keyframes spin-ccw { to { transform: rotate(-360deg); } }
@keyframes dash-flow { to { stroke-dashoffset: -160; } }
@keyframes mark-breathe { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.045); } }

@media (min-width: 960px) {
  .hero-inner { grid-template-columns: 1.15fr .85fr; align-items: center; }
  .hero-visual { order: 2; max-width: none; }
}

/* --- Pillars (methodology) --- */
.pillars-grid {
  display: grid;
  gap: 1.1rem;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}
.pillar-card { padding: 1.9rem 1.7rem; }
.pillar-icon { width: 40px; height: 40px; margin-bottom: 1.2rem; color: var(--sky); }
.pillar-card h3 { font-size: 1.08rem; margin-bottom: .55rem; }
.pillar-card p { color: var(--slate); font-size: .95rem; line-height: 1.55; }
.pillar-card:hover { transform: translateY(-4px); box-shadow: 0 20px 36px -18px rgba(0,31,91,0.22); border-color: transparent; }

/* --- Courses --- */
.courses-grid {
  display: grid;
  gap: 1.35rem;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
}
.course-card {
  position: relative;
  padding: 1.9rem 1.8rem 2rem;
  display: flex; flex-direction: column;
  background: var(--paper);
}
.course-card:hover { transform: translateY(-5px); box-shadow: 0 26px 46px -22px rgba(0,31,91,0.28); border-color: transparent; }
.course-card--flagship { border-color: var(--sky); box-shadow: 0 0 0 1px var(--sky), 0 20px 40px -20px rgba(0,174,239,0.35); }
.course-badge { position: absolute; top: -.7rem; left: 1.7rem; }
.course-meta { display: flex; gap: .5rem; margin-bottom: 1rem; }

/* --- Rating row (stars + score + review count) --- */
.course-rating { display: flex; align-items: center; gap: .5rem; margin-bottom: 1rem; }
.course-rating-stars { display: flex; gap: .12rem; color: var(--sky); }
.course-rating-value { font-weight: 700; color: var(--navy); font-size: .88rem; }
.course-rating-count { font-family: var(--mono); font-size: .74rem; color: var(--slate-soft); }
.course-card h3 { font-size: 1.22rem; margin-bottom: .7rem; letter-spacing: -0.015em; }
.course-card > p { color: var(--slate); font-size: .93rem; line-height: 1.55; margin-bottom: .9rem; }
.course-preview-link {
  display: inline-flex; align-items: center; gap: .4rem;
  font-size: .84rem; font-weight: 600; color: var(--sky);
  margin-bottom: 1.2rem;
}
.course-preview-link svg { transition: transform .25s var(--ease-out); }
.course-preview-link:hover svg { transform: translateX(2px); }
.course-includes { display: flex; flex-direction: column; gap: .5rem; margin-bottom: 1.6rem; margin-top: auto; }
.course-includes li { display: flex; align-items: flex-start; gap: .55rem; font-size: .85rem; color: var(--navy); }
.course-includes svg { flex: none; margin-top: .18rem; color: var(--sky); }
.course-card .btn { align-self: flex-start; }

/* --- Route / flywheel --- */
.route-loop {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  counter-reset: step;
}
.route-step { position: relative; padding-top: .3rem; }
.route-step-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 2.6rem; height: 2.6rem;
  border-radius: 50%;
  background: var(--navy);
  color: var(--sky);
  font-family: var(--mono);
  font-weight: 700;
  font-size: 1.05rem;
  margin-bottom: 1rem;
}
.route-step h3 { font-size: 1rem; margin-bottom: .4rem; }
.route-step p { font-size: .87rem; color: var(--slate); line-height: 1.5; }

.roadmap-strip {
  margin-top: clamp(3rem, 6vw, 4rem);
  padding: 1.7rem 1.8rem;
  border-radius: var(--radius-card);
  background: var(--navy);
  display: flex; flex-wrap: wrap; align-items: center; gap: 1.4rem 2rem;
}
.roadmap-strip-label { font-family: var(--mono); font-size: .78rem; color: #AFC2E8; max-width: 20rem; line-height: 1.5; }
.roadmap-chips { display: flex; align-items: center; flex-wrap: wrap; gap: .55rem; }
.roadmap-chip {
  display: inline-flex; align-items: center; gap: .45rem;
  padding: .5rem .9rem;
  border-radius: var(--radius-pill);
  font-family: var(--mono);
  font-size: .76rem;
  font-weight: 600;
  border: 1px solid rgba(255,255,255,0.18);
  color: #C7D3EC;
}
.roadmap-chip.is-active { background: var(--sky); color: var(--navy-900); border-color: var(--sky); }
.roadmap-arrow { color: #5C7BB0; font-size: .8rem; }

/* --- Final CTA --- */
.cta-band {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  background: var(--navy);
  text-align: left;
}
.cta-band .hero-mesh { opacity: .6; }
.cta-band-inner { position: relative; z-index: 1; max-width: 44rem; }
.cta-band h2 { color: #fff; }
.cta-band p { color: #C7D3EC; margin-top: 1rem; font-size: 1.05rem; max-width: 36ch; }
.cta-band .hero-actions { margin-top: 2rem; }

/* --- Footer --- */
.footer { background: var(--navy-900); color: #C7D3EC; padding-block: 3.5rem 2.2rem; }
.footer-top { display: grid; gap: 2.5rem; grid-template-columns: 1fr; margin-bottom: 2.6rem; }
.footer-brand { display: flex; flex-direction: column; gap: 1rem; max-width: 24rem; }
.footer-brand img { width: 168px; }
.footer-brand p { font-size: .9rem; color: #8FA3CC; line-height: 1.6; }
.footer-cols { display: grid; gap: 2rem; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
.footer-col h4 { font-family: var(--mono); font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; color: #6C81AD; margin-bottom: 1rem; font-weight: 600; }
.footer-col ul { display: flex; flex-direction: column; gap: .7rem; }
.footer-col a { font-size: .92rem; color: #C7D3EC; transition: color .3s var(--ease-out); }
.footer-col a:hover { color: var(--sky); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 1.6rem;
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem;
  font-size: .82rem; color: #6C81AD;
}

@media (min-width: 720px) {
  .footer-top { grid-template-columns: 1.2fr 2fr; }
}

/* =============================================================
   7. Effects (reveals)
   ============================================================= */
/* Content is visible by default (works with JS off / before JS boots).
   Only once main.js confirms it's running (html.is-ready) do we arm the
   hidden-then-reveal animation, so a script error or disabled JS never
   leaves real content invisible. */
html.is-ready [data-reveal] {
  opacity: 0; transform: translateY(28px);
  transition: opacity .8s var(--ease-soft), transform .8s var(--ease-soft);
}
html.is-ready [data-reveal].is-revealed { opacity: 1; transform: none; }
[data-reveal-group] > * { transition-delay: calc(var(--i, 0) * 70ms); }

.hero-mesh { animation: meshShift 26s linear infinite; }
@keyframes meshShift {
  0%   { --mesh-angle: 0deg;   --mesh-x: 24%; --mesh-y: 32%; }
  50%  { --mesh-angle: 180deg; --mesh-x: 74%; --mesh-y: 62%; }
  100% { --mesh-angle: 360deg; --mesh-x: 24%; --mesh-y: 32%; }
}

/* =============================================================
   8. Responsive
   ============================================================= */
@media (min-width: 540px) {
  .hero-actions { flex-wrap: nowrap; }
}
@media (min-width: 1280px) {
  .display-xl { font-size: 4.6rem; }
}

/* =============================================================
   9. Reduced motion — only intrusive / continuous loops
   ============================================================= */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-mesh,
  .arc-a, .arc-b, .arc-c, .arc-d,
  .hero-mark img { animation: none !important; }
  [data-reveal] { transition-duration: .01ms; }
}

/* =============================================================
   10. Course detail page (curso.html)
   ============================================================= */
:root {
  --sky-tint:      #EAF7FD;  /* module body once expanded — light enough for bold navy text */
  --sky-tint-line: #C9E9F5;
}

/* --- Mini header / breadcrumb --- */
.course-hero {
  background: var(--navy);
  padding-top: clamp(6.5rem, 12vw, 8.5rem);
  padding-bottom: clamp(2.5rem, 5vw, 3.5rem);
}
.course-crumb {
  display: inline-flex; align-items: center; gap: .5rem;
  font-family: var(--mono); font-size: .78rem; font-weight: 600; letter-spacing: .03em;
  color: #AFC2E8; margin-bottom: 1.4rem;
}
.course-crumb:hover { color: #fff; }
.course-hero h1 { color: #fff; max-width: 36rem; }
.course-hero-meta { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1.1rem; }
.course-hero-desc { color: #C7D3EC; margin-top: 1rem; max-width: 44ch; font-size: 1.02rem; line-height: 1.6; }

/* --- Two-column layout --- */
.course-layout {
  display: grid;
  gap: clamp(2rem, 5vw, 3rem);
  padding-block: clamp(3rem, 6vw, 4.5rem);
}
@media (min-width: 960px) {
  .course-layout { grid-template-columns: minmax(0, 1fr) 320px; align-items: start; }
}

/* --- Module accordion --- */
.module-list { display: flex; flex-direction: column; gap: .9rem; }

.module {
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--paper);
}
.module > summary {
  list-style: none;
  cursor: pointer;
  display: flex; align-items: center; gap: 1rem;
  padding: 1.15rem 1.4rem;
  background: var(--navy);
  color: #fff;
  transition: background-color .3s var(--ease-out);
}
.module > summary::-webkit-details-marker { display: none; }
.module > summary:hover { background: var(--navy-700); }
.module[open] > summary { background: var(--navy-700); }

.module-num {
  font-family: var(--mono); font-size: .78rem; font-weight: 700; letter-spacing: .04em;
  color: var(--sky); flex: none;
}
.module-title { flex: 1; font-weight: 700; font-size: 1rem; letter-spacing: -0.005em; }
.module-hint { font-size: .78rem; color: #AFC2E8; font-family: var(--mono); flex: none; }
.module-chevron { flex: none; transition: transform .35s var(--ease-out); color: #AFC2E8; }
.module[open] .module-chevron { transform: rotate(180deg); color: var(--sky); }

.module-body {
  background: var(--sky-tint);
  padding: 1.4rem 1.4rem 1.6rem;
  border-top: 1px solid var(--sky-tint-line);
}
.module-body ul { display: flex; flex-direction: column; gap: .35rem; }
.module-body li svg { flex: none; margin-top: .2rem; color: var(--sky); }
.module-body li span { font-weight: 700; }

/* Each check opens its own submodule page (pilot: all wired to the same
   page for now) — styled as a clickable row, not a plain checklist line. */
.submodule-link {
  display: flex; align-items: flex-start; gap: .6rem;
  font-weight: 700; color: var(--navy); font-size: .96rem; line-height: 1.5;
  padding: .5rem .6rem; margin-inline: -.6rem;
  border-radius: var(--radius-tight);
  transition: background-color .25s var(--ease-out), padding-inline-start .25s var(--ease-out);
}
.submodule-link-go {
  flex: none; margin-top: .22rem; margin-left: auto;
  color: var(--slate-soft); opacity: 0;
  transition: opacity .25s var(--ease-out), transform .25s var(--ease-out);
}
.submodule-link:hover { background: rgba(0,31,91,0.06); }
.submodule-link:hover .submodule-link-go { opacity: 1; color: var(--sky); transform: translateX(2px); }

/* --- Locked modules (upsell) ---
   Same <details> accordion as every other module — they open the same
   way, so the paywall is a reveal at the moment of opening, not something
   telegraphed upfront. Only the lock icon in the header hints at it. */
.module--locked > summary { gap: .75rem; }
.module-lock { flex: none; color: var(--sky); }
.module-hint--locked { color: var(--orange); }

.module-locked-body { position: relative; min-height: 168px; border-top: 1px solid var(--line); }
.module-locked-fake {
  padding: 1.4rem;
  filter: blur(2.6px);
  opacity: .92;
  user-select: none;
  pointer-events: none;
}
/* Real-looking curriculum text, not skeleton bars, and only lightly blurred —
   the checkmarks and word shapes should still read as "the same content as
   above", just not legible. That's what makes the lock feel like content
   withheld rather than a loading placeholder. */
.module-locked-fake ul { display: flex; flex-direction: column; gap: .7rem; }
.module-locked-fake li {
  display: flex; align-items: flex-start; gap: .6rem;
  font-weight: 700; color: var(--navy); font-size: .96rem; line-height: 1.5;
}
.module-locked-fake li svg { flex: none; margin-top: .2rem; color: var(--sky); }

.module-locked-overlay {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; gap: .7rem;
  padding: 1.5rem;
  background: rgba(255,255,255,0.55);
}
.module-locked-overlay svg { color: var(--navy); opacity: .55; }
.module-locked-overlay p {
  max-width: 26rem; font-weight: 700; color: var(--navy); font-size: .98rem; line-height: 1.45;
  text-shadow: 0 1px 12px rgba(255,255,255,0.9);
}
.module-locked-overlay .btn { margin-top: .2rem; }

/* --- Resources sidebar --- */
.resource-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--paper);
  padding: 1.3rem 1.3rem 1rem;
}
@media (min-width: 960px) { .resource-panel { position: sticky; top: 6.5rem; } }

.resource-panel-head { margin-bottom: 1rem; }
.resource-panel-head h3 { font-size: 1.02rem; }
.resource-panel-head p { font-size: .84rem; color: var(--slate); margin-top: .3rem; }

.resource-list { display: flex; flex-direction: column; }
.resource-row {
  display: flex; align-items: center; gap: .8rem;
  width: 100%;
  padding: .8rem .3rem;
  border-top: 1px solid var(--line);
  background: none; text-align: left;
  transition: background-color .25s var(--ease-out), transform .15s var(--ease-out), padding-inline .25s var(--ease-out);
  border-radius: var(--radius-tight);
}
.resource-list .resource-row:first-child { border-top: 0; }
.resource-row:hover { background: var(--surface); padding-inline: .6rem; }
.resource-row:active { transform: scale(0.98); }

.resource-icon {
  flex: none;
  width: 34px; height: 34px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-tight);
  background: var(--surface-2);
  color: var(--navy);
}
.resource-info { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.resource-name {
  display: block;
  font-size: .89rem; font-weight: 600; color: var(--navy);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.resource-meta { display: block; font-family: var(--mono); font-size: .7rem; color: var(--slate-soft); margin-top: .15rem; }
.resource-go { flex: none; color: var(--slate-soft); transition: transform .25s var(--ease-out), color .25s var(--ease-out); }
.resource-row:hover .resource-go { transform: translateX(2px); color: var(--sky); }

.resource-note {
  margin-top: 1rem; padding-top: 1rem; border-top: 1px solid var(--line);
  font-size: .78rem; color: var(--slate-soft); line-height: 1.5;
}

/* --- Lesson content blocks (submodule detail: video / ejercicio / lectura) --- */
.lesson-blocks { display: flex; flex-direction: column; gap: 1.1rem; }

.lesson-block {
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--paper);
  padding: 1.7rem 1.7rem 1.85rem;
}
.lesson-block-head {
  display: flex; align-items: center; gap: .9rem;
  margin-bottom: 1.35rem; padding-bottom: 1.15rem;
  border-bottom: 1px solid var(--line);
}
.lesson-icon {
  flex: none; width: 38px; height: 38px;
  display: flex; align-items: center; justify-content: center;
  color: var(--sky);
}
.lesson-kicker {
  display: block; font-family: var(--mono); font-size: .7rem; font-weight: 600;
  letter-spacing: .05em; text-transform: uppercase; color: var(--slate-soft); margin-bottom: .3rem;
}
.lesson-block-head h3 { font-size: 1.05rem; letter-spacing: -0.005em; }

.lesson-callout {
  padding: .85rem 1.05rem; margin-bottom: 1.3rem;
  border: 1px solid var(--line); border-radius: var(--radius-tight);
  background: var(--surface);
  font-size: .85rem; color: var(--slate); line-height: 1.55;
}
.lesson-callout strong { color: var(--navy); }
.lesson-callout--accent { background: var(--sky-tint); border-color: var(--sky-tint-line); }

/* Video chapters (timestamped outline, stands in for the guided video) */
.video-chapters { display: flex; flex-direction: column; }
.video-chapter {
  display: flex; gap: 1.1rem;
  padding: .75rem 0;
  border-top: 1px solid var(--line);
}
.video-chapters .video-chapter:first-child { border-top: 0; padding-top: 0; }
.video-chapter-time {
  flex: none; width: 3.4rem;
  font-family: var(--mono); font-size: .78rem; font-weight: 700; color: var(--sky);
  padding-top: .1rem;
}
.video-chapter-title { font-weight: 700; color: var(--navy); font-size: .93rem; margin-bottom: .2rem; }
.video-chapter p:last-child { font-size: .84rem; color: var(--slate); line-height: 1.5; }

/* Exercise steps */
.exercise-steps { display: flex; flex-direction: column; gap: 1.15rem; }
.exercise-step { display: flex; gap: 1rem; align-items: flex-start; }
.exercise-step-num {
  flex: none;
  display: flex; align-items: center; justify-content: center;
  width: 2rem; height: 2rem;
  border-radius: 50%;
  background: var(--navy);
  color: var(--sky);
  font-family: var(--mono); font-weight: 700; font-size: .84rem;
  margin-top: .05rem;
}
.exercise-step-body h4 { font-size: .93rem; color: var(--navy); margin-bottom: .25rem; }
.exercise-step-body p { font-size: .85rem; color: var(--slate); line-height: 1.55; }
.exercise-step-body code, .lesson-callout code, .lesson-table code {
  font-family: var(--mono); font-size: .82em;
  background: var(--surface-2); padding: .12em .4em; border-radius: 4px; color: var(--navy);
}

/* Reading tables */
.lesson-table-wrap { overflow-x: auto; margin-bottom: 1.2rem; }
.lesson-table { width: 100%; border-collapse: collapse; font-size: .85rem; }
.lesson-table caption {
  text-align: left; font-family: var(--mono); font-size: .72rem; font-weight: 600;
  letter-spacing: .04em; text-transform: uppercase; color: var(--slate-soft);
  margin-bottom: .6rem;
}
.lesson-table th {
  text-align: left; font-family: var(--mono); font-size: .68rem; font-weight: 600;
  letter-spacing: .04em; text-transform: uppercase; color: var(--slate-soft);
  padding: 0 .7rem .6rem 0; border-bottom: 1px solid var(--line); white-space: nowrap;
}
.lesson-table td {
  padding: .6rem .7rem .6rem 0; border-bottom: 1px solid var(--line);
  color: var(--navy); vertical-align: top; font-size: .84rem;
}
.lesson-table td:last-child, .lesson-table th:last-child { padding-right: 0; }
.lesson-table tr:last-child td { border-bottom: 0; }

/* =============================================================
   11. News preview (index.html — sección Comunidad)
   ============================================================= */
.news-grid {
  display: grid;
  gap: 1.2rem;
  grid-template-columns: repeat(auto-fit, minmax(255px, 1fr));
  margin-bottom: 1.4rem;
}

.news-card {
  display: flex; flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--paper);
  overflow: hidden;
  transition: transform .5s var(--ease-soft), box-shadow .5s var(--ease-soft), border-color .5s var(--ease-soft);
}
.news-card:hover { transform: translateY(-4px); box-shadow: 0 20px 36px -18px rgba(0,31,91,0.22); border-color: transparent; }

.news-card-media {
  position: relative;
  aspect-ratio: 16 / 10;
  display: flex; align-items: center; justify-content: center;
  flex: none;
}
.news-card-media svg { width: 32%; height: 32%; color: #fff; opacity: .95; filter: drop-shadow(0 6px 14px rgba(0,18,51,0.25)); }
.news-card-media--a { background: linear-gradient(135deg, var(--navy) 0%, var(--navy-700) 55%, var(--sky) 135%); }
.news-card-media--b { background: linear-gradient(150deg, var(--navy-900) 0%, var(--navy) 45%, var(--sky) 150%); }
.news-card-media--c { background: conic-gradient(from 210deg at 60% 40%, var(--navy) 0deg, var(--sky) 110deg, var(--navy-700) 220deg, var(--navy) 360deg); }
.news-card-media--d { background: linear-gradient(160deg, var(--navy-700) 0%, var(--navy) 50%, var(--sky) 160%); }

.news-card-body { padding: 1.25rem 1.35rem 1.4rem; display: flex; flex-direction: column; gap: .6rem; flex: 1; }
.news-card-body h3 { font-size: 1.03rem; letter-spacing: -0.008em; line-height: 1.35; }
.news-card-body > p { color: var(--slate); font-size: .87rem; line-height: 1.55; }

.news-meta {
  margin-top: auto; padding-top: .9rem;
  display: flex; align-items: center; flex-wrap: wrap; gap: .5rem;
  font-family: var(--mono); font-size: .72rem; color: var(--slate-soft);
}
.news-meta span + span::before { content: "·"; margin-right: .5rem; color: var(--line); }

.course-preview-link, .news-read-more {
  display: inline-flex; align-items: center; gap: .4rem;
  font-size: .84rem; font-weight: 600; color: var(--sky);
}
.course-preview-link svg, .news-read-more svg { transition: transform .25s var(--ease-out); }
.course-preview-link:hover svg, .news-read-more:hover svg { transform: translateX(2px); }
.news-read-more { margin-top: .1rem; }

/* Reveal-one-more tile: a native <details> so the 4th story is still
   reachable with JS disabled — it just opens on click instead of a
   styled "expand" affordance. */
.news-card--more { display: flex; flex-direction: column; }
.news-more-trigger {
  list-style: none; cursor: pointer;
  flex: 1;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: .9rem; text-align: center;
  padding: 2.2rem 1.4rem;
  background: var(--surface);
  transition: background-color .3s var(--ease-out);
}
.news-more-trigger::-webkit-details-marker { display: none; }
.news-more-trigger:hover { background: var(--surface-2); }
.news-more-icon {
  flex: none; width: 3rem; height: 3rem;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: var(--navy); color: #fff;
  transition: transform .3s var(--ease-out), background-color .3s var(--ease-out);
}
.news-more-trigger:hover .news-more-icon { background: var(--navy-700); transform: translateX(3px); }
.news-more-label { font-weight: 700; color: var(--navy); font-size: .92rem; }
.news-more-sub { font-size: .8rem; color: var(--slate); max-width: 20ch; }
.news-card--more[open] > .news-more-trigger { display: none; }
.news-more-body { display: flex; flex-direction: column; flex: 1; }
html.is-ready .news-card--more[open] .news-more-body {
  animation: newsMoreIn .45s var(--ease-out);
}
@keyframes newsMoreIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* Blurred "there's more" teaser — same withheld-content logic as the
   locked course modules, adapted to a feed-shaped card. */
.community-teaser {
  position: relative;
  min-height: 230px;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--paper);
  overflow: hidden;
}
.community-teaser-fake {
  padding: 1.6rem 1.7rem;
  display: flex; flex-direction: column; gap: 1.15rem;
  filter: blur(3px);
  opacity: .85;
  user-select: none;
  pointer-events: none;
}
.community-teaser-fake-row { display: flex; gap: .75rem; align-items: flex-start; }
.community-teaser-fake-avatar { flex: none; width: 36px; height: 36px; border-radius: 50%; background: var(--surface-2); }
.community-teaser-fake-lines { flex: 1; display: flex; flex-direction: column; gap: .45rem; padding-top: .3rem; }
.community-teaser-fake-lines span { display: block; height: 9px; border-radius: 5px; background: var(--surface-2); }

.community-teaser-overlay {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; gap: .8rem;
  padding: 1.7rem;
  background: rgba(255,255,255,0.62);
}
.community-teaser-overlay svg { color: var(--navy); opacity: .55; }
.community-teaser-overlay p {
  max-width: 27rem; font-weight: 700; color: var(--navy); font-size: 1.02rem; line-height: 1.45;
  text-shadow: 0 1px 12px rgba(255,255,255,0.9);
}
.community-teaser-overlay .btn { margin-top: .2rem; }

/* =============================================================
   12. Community feed (comunidad.html)
   ============================================================= */
.feed-hero {
  background: var(--navy);
  padding-top: clamp(6.5rem, 12vw, 8.5rem);
  padding-bottom: clamp(2.5rem, 5vw, 3.5rem);
}
.feed-hero h1 { color: #fff; max-width: 34rem; }
.feed-hero p { color: #C7D3EC; margin-top: 1rem; max-width: 46ch; font-size: 1.02rem; line-height: 1.6; }

.feed-layout {
  display: grid;
  gap: clamp(1.6rem, 4vw, 2.2rem);
  padding-block: clamp(2.5rem, 6vw, 3.5rem);
  align-items: start;
}
@media (min-width: 960px) {
  .feed-layout { grid-template-columns: 220px minmax(0, 1fr) 300px; }
}

.feed-side { display: flex; flex-direction: column; gap: 1rem; }
.feed-side-panel { border: 1px solid var(--line); border-radius: var(--radius-card); background: var(--paper); padding: 1.1rem 1.2rem; }
.feed-side-panel h4 { font-size: .86rem; color: var(--navy); margin-bottom: .7rem; }
.feed-nav-links { display: flex; flex-direction: column; gap: .1rem; }
.feed-nav-links a {
  display: flex; align-items: center; gap: .65rem;
  padding: .55rem .5rem;
  border-radius: var(--radius-tight);
  font-size: .87rem; font-weight: 600; color: var(--slate);
  transition: background-color .2s var(--ease-out), color .2s var(--ease-out);
}
.feed-nav-links a svg { flex: none; color: var(--slate-soft); transition: color .2s var(--ease-out); }
.feed-nav-links a:hover, .feed-nav-links a.is-active { background: var(--surface); color: var(--navy); }
.feed-nav-links a.is-active svg, .feed-nav-links a:hover svg { color: var(--sky); }

@media (max-width: 959px) { .feed-side--left { display: none; } }

.feed-main { display: flex; flex-direction: column; gap: 1.1rem; min-width: 0; }

/* --- Composer (non-functional — visual only) --- */
.composer-card { border: 1px solid var(--line); border-radius: var(--radius-card); background: var(--paper); padding: 1.1rem 1.3rem; }
.composer-row { display: flex; align-items: center; gap: .85rem; }
.composer-input {
  flex: 1;
  padding: .75rem 1.1rem;
  border-radius: var(--radius-pill);
  background: var(--surface);
  color: var(--slate-soft);
  font-size: .89rem;
}
.composer-quick { display: flex; border-top: 1px solid var(--line); margin-top: .95rem; padding-top: .8rem; gap: .3rem; }
.composer-quick button {
  flex: 1;
  display: flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .55rem .4rem;
  border-radius: var(--radius-tight);
  font-size: .82rem; font-weight: 600; color: var(--slate);
  background: none;
  transition: background-color .2s var(--ease-out);
}
.composer-quick button svg { flex: none; }
.composer-quick button:hover { background: var(--surface); }
.composer-quick button.is-media svg { color: var(--sky); }
.composer-quick button.is-update svg { color: var(--navy); }
.composer-quick button.is-question svg { color: var(--orange-ink); }

/* --- Avatars (initials, colored by role) --- */
.avatar {
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%; flex: none;
  font-family: var(--mono); font-weight: 700;
  color: #fff;
}
.avatar--navy { background: var(--navy); }
.avatar--sky { background: var(--sky); color: var(--navy-900); }
.avatar--brand { background: linear-gradient(150deg, var(--navy) 0%, var(--sky) 150%); }
.avatar--slate { background: var(--slate); }
.avatar-sm { width: 42px; height: 42px; font-size: .92rem; }
.avatar-xs { width: 32px; height: 32px; font-size: .74rem; }

/* --- Post card --- */
.post-card { border: 1px solid var(--line); border-radius: var(--radius-card); background: var(--paper); overflow: hidden; }
.post-head { display: flex; align-items: flex-start; gap: .8rem; padding: 1.15rem 1.3rem .7rem; }
.post-authorline { flex: 1; min-width: 0; }
.post-author { display: flex; align-items: center; gap: .35rem; font-weight: 700; color: var(--navy); font-size: .92rem; }
.post-author-badge { flex: none; color: var(--sky); }
.post-role { font-size: .78rem; color: var(--slate); margin-top: .1rem; }
.post-meta-line {
  display: flex; align-items: center; gap: .35rem;
  font-size: .74rem; color: var(--slate-soft); font-family: var(--mono);
  margin-top: .25rem;
}
.post-meta-line svg { flex: none; }
.post-menu {
  flex: none; width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%; color: var(--slate-soft);
  transition: background-color .2s var(--ease-out);
}
.post-menu:hover { background: var(--surface); }

.post-body { padding: 0 1.3rem .9rem; }
.post-text { font-size: .93rem; color: var(--ink); line-height: 1.62; }
.post-text a { color: var(--sky); font-weight: 600; }

.post-media { margin-top: 1rem; margin-inline: -1.3rem; }
.post-media-tile {
  position: relative;
  aspect-ratio: 16 / 9.5;
  display: flex; align-items: center; justify-content: center;
}
.post-media-tile svg { width: 26%; height: 26%; color: #fff; opacity: .95; }
.post-media--a { background: linear-gradient(135deg, var(--navy) 0%, var(--sky) 145%); }
.post-media--b { background: linear-gradient(140deg, var(--navy-900) 0%, var(--navy) 55%, var(--sky) 160%); }
.post-media--c { background: conic-gradient(from 150deg at 40% 60%, var(--sky) 0deg, var(--navy) 140deg, var(--navy-700) 260deg, var(--sky) 360deg); }
.post-play-btn {
  position: absolute; inset: 0; margin: auto; width: 4.2rem; height: 4.2rem;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: rgba(255,255,255,0.92);
  color: var(--navy);
  box-shadow: 0 12px 26px -10px rgba(0,18,51,0.45);
}
.post-media-caption {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: .6rem 1rem; font-size: .74rem; font-family: var(--mono); color: #fff;
  background: linear-gradient(to top, rgba(0,18,51,0.65), transparent);
}

.post-stats {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; row-gap: .35rem;
  padding: .75rem 1.3rem;
  font-size: .78rem; color: var(--slate-soft);
  border-top: 1px solid var(--line);
}
.post-stats-likes { display: flex; align-items: center; gap: .5rem; white-space: nowrap; }
.post-stats-counts { white-space: nowrap; }
.post-stats-icons { display: flex; flex: none; }
.post-stats-icons span {
  width: 19px; height: 19px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: #fff; border: 2px solid var(--paper);
  margin-left: -6px;
}
.post-stats-icons span:first-child { margin-left: 0; }
.post-stats-icons span svg { width: 10px; height: 10px; }
.post-stats-counts { display: flex; gap: .9rem; }

.post-actions { display: flex; border-top: 1px solid var(--line); }
.post-actions button {
  flex: 1;
  display: flex; align-items: center; justify-content: center; gap: .4rem;
  padding: .68rem .3rem; font-size: .85rem; font-weight: 600; color: var(--slate);
  white-space: nowrap;
  background: none;
  transition: background-color .2s var(--ease-out), color .2s var(--ease-out);
}
@media (max-width: 420px) { .post-actions button { font-size: .78rem; gap: .3rem; } }
.post-actions button svg { flex: none; }
.post-actions button:hover { background: var(--surface); }
.post-actions button.is-liked { color: var(--sky); }

.post-comments { padding: .3rem 1.3rem 1.15rem; display: flex; flex-direction: column; gap: .7rem; border-top: 1px solid var(--line); }
.comment-row { display: flex; gap: .6rem; }
.comment-bubble { flex: 1; background: var(--surface); border-radius: 14px; padding: .55rem .85rem; }
.comment-bubble strong { color: var(--navy); font-size: .84rem; }
.comment-bubble p { font-size: .85rem; color: var(--ink); line-height: 1.5; margin-top: .1rem; }
.comment-meta { display: flex; gap: .8rem; margin-top: .3rem; padding-left: .2rem; font-size: .72rem; color: var(--slate-soft); font-family: var(--mono); }

/* --- Trending / who-to-follow sidebar (reuses .resource-panel look) --- */
.feed-side .resource-panel { position: static; }
.trend-row { display: flex; align-items: baseline; justify-content: space-between; gap: .7rem; padding: .55rem .1rem; }
.trend-tag { flex: 1; min-width: 0; font-weight: 700; color: var(--navy); font-size: .87rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.trend-count { flex: none; white-space: nowrap; font-family: var(--mono); font-size: .72rem; color: var(--slate-soft); }
.follow-row { display: flex; align-items: center; gap: .7rem; padding: .55rem .1rem; }
.follow-name { font-size: .85rem; font-weight: 700; color: var(--navy); }
.follow-role { font-size: .74rem; color: var(--slate-soft); }

/* =============================================================
   13. Blog post (entrada.html)
   ============================================================= */
.blog-hero {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  padding-top: clamp(6.5rem, 12vw, 8.5rem);
  padding-bottom: clamp(2rem, 4vw, 2.6rem);
}
.blog-crumb {
  display: inline-flex; align-items: center; gap: .5rem;
  font-family: var(--mono); font-size: .78rem; font-weight: 600; letter-spacing: .03em;
  color: var(--slate); margin-bottom: 1.3rem;
}
.blog-crumb:hover { color: var(--navy); }
.blog-hero h1 { max-width: 42rem; margin-top: .7rem; }
.blog-meta-row { display: flex; align-items: center; gap: .8rem; margin-top: 1.4rem; }
.blog-meta-info strong { display: block; font-size: .89rem; color: var(--navy); }
.blog-meta-info span { display: flex; align-items: center; gap: .4rem; font-size: .78rem; color: var(--slate-soft); font-family: var(--mono); margin-top: .15rem; }
.blog-meta-info span i { display: inline-block; width: 3px; height: 3px; border-radius: 50%; background: var(--slate-soft); }

.blog-article { padding-block: clamp(2.2rem, 5vw, 3.2rem) clamp(3rem, 6vw, 4.5rem); }
.blog-cover {
  aspect-ratio: 16 / 8;
  border-radius: var(--radius-card);
  overflow: hidden;
  margin-bottom: clamp(2rem, 5vw, 3rem);
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(150deg, var(--navy-900) 0%, var(--navy) 45%, var(--sky) 155%);
}
.blog-cover svg { width: 18%; height: 18%; color: #fff; opacity: .95; }

.blog-body { max-width: 40rem; margin-inline: auto; }
.blog-lede { font-size: 1.12rem; line-height: 1.65; color: var(--navy); font-weight: 500; margin-bottom: 1.6rem; }
.blog-body p { font-size: 1rem; line-height: 1.78; color: var(--ink); margin-bottom: 1.35rem; }
.blog-body h2 { font-size: 1.4rem; letter-spacing: -0.01em; margin: 2.3rem 0 1.1rem; }
.blog-body h3 { font-size: 1.14rem; margin: 1.9rem 0 .8rem; }
.blog-body ul { display: flex; flex-direction: column; gap: .6rem; margin-bottom: 1.5rem; }
.blog-body li { display: flex; align-items: flex-start; gap: .6rem; font-size: .97rem; color: var(--ink); line-height: 1.55; }
.blog-body li svg { flex: none; margin-top: .25rem; color: var(--sky); }
.blog-body blockquote {
  border-left: 3px solid var(--sky);
  padding-left: 1.3rem;
  margin: 2rem 0;
  font-size: 1.1rem; font-style: italic; color: var(--navy); line-height: 1.55;
}
.blog-body blockquote cite { display: block; margin-top: .6rem; font-style: normal; font-size: .8rem; font-family: var(--mono); color: var(--slate-soft); }

.blog-gallery { display: grid; grid-template-columns: repeat(2, 1fr); gap: .8rem; margin: 1.9rem 0; }
.blog-gallery-tile {
  aspect-ratio: 4 / 3; border-radius: var(--radius-tight); overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
.blog-gallery-tile svg { width: 30%; height: 30%; color: #fff; opacity: .95; }
.blog-gallery-tile--1 { background: linear-gradient(135deg, var(--navy) 0%, var(--sky) 150%); }
.blog-gallery-tile--2 { background: conic-gradient(from 180deg at 50% 50%, var(--sky) 0deg, var(--navy) 150deg, var(--navy-700) 260deg, var(--sky) 360deg); }
.blog-gallery-caption { grid-column: 1 / -1; font-size: .78rem; color: var(--slate-soft); font-family: var(--mono); margin-top: -.5rem; }

.blog-video { margin: 1.9rem 0; position: relative; aspect-ratio: 16 / 9; border-radius: var(--radius-card); overflow: hidden; background: linear-gradient(140deg, var(--navy-900) 0%, var(--navy) 60%, var(--sky) 160%); }

.blog-tags { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 2.6rem; padding-top: 1.7rem; border-top: 1px solid var(--line); }

.blog-author-card {
  margin-top: 1.7rem;
  border: 1px solid var(--line); border-radius: var(--radius-card);
  background: var(--surface);
  padding: 1.3rem 1.4rem;
  display: flex; gap: 1rem; align-items: flex-start;
}
.blog-author-card strong { display: block; color: var(--navy); font-size: .95rem; margin-bottom: .3rem; }
.blog-author-card p { font-size: .87rem; color: var(--slate); line-height: 1.55; margin: 0; }

.blog-related { margin-top: clamp(3rem, 6vw, 4rem); }
.blog-related h3 { font-size: 1.1rem; margin-bottom: 1.1rem; }