/* =======================================================================
   eLibreria · styles.css  ·  sistema de diseño v2 (2026-04-20)
   Tokens y componentes en memory/design_tokens.md
   Breakpoints: 640 (sm), 1024 (md), 1440 (lg).  Mobile-first.
   ======================================================================= */

/* ---------------------------------------------------------------------
   1. Fuentes self-hosted (cumple CSP font-src 'self')
   --------------------------------------------------------------------- */

@font-face {
  font-family: 'Fraunces';
  src: url('/assets/fonts/fraunces/Fraunces.ttf') format('truetype-variations'),
       url('/assets/fonts/fraunces/Fraunces.ttf') format('truetype');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6,
                 U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F,
                 U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF,
                 U+FFFD;
}

@font-face {
  font-family: 'Inter';
  src: url('/assets/fonts/inter/InterVariable.ttf') format('truetype-variations'),
       url('/assets/fonts/inter/InterVariable.ttf') format('truetype');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6,
                 U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F,
                 U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF,
                 U+FFFD;
}

/* ---------------------------------------------------------------------
   2. Tokens
   --------------------------------------------------------------------- */

:root {
  /* Brand */
  --color-ink: #0f2430;
  --color-teal-700: #0f7d82;
  --color-teal-500: #2ba0a5;
  --color-sage-600: #2f7864;
  --color-amber: #d99a2b;

  /* Neutrals */
  --color-paper: #fafaf7;
  --color-paper-tint: #f0f5f2;
  --color-white: #ffffff;
  --color-text: #0f2430;
  --color-text-muted: #4a5860;
  --color-text-on-dark: #f2f6f7;
  --color-border: #e4e2da;
  --color-border-strong: #c9c5b7;

  /* Feedback */
  --color-success: #2f7864;
  --color-warning: #d99a2b;
  --color-danger: #b4351f;

  /* Typography */
  --font-serif: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;

  --fs-display: clamp(2.25rem, 4vw + 1rem, 3.5rem);
  --fs-h1: clamp(1.875rem, 2.2vw + 1rem, 2.5rem);
  --fs-h2: clamp(1.5rem, 1.2vw + 1rem, 1.875rem);
  --fs-h3: 1.25rem;
  --fs-h4: 1.125rem;
  --fs-body-lg: 1.125rem;
  --fs-body: 1rem;
  --fs-small: 0.875rem;
  --fs-tiny: 0.75rem;

  /* Spacing (8pt scale) */
  --space-1: 0.25rem;   /*  4px */
  --space-2: 0.5rem;    /*  8px */
  --space-3: 0.75rem;   /* 12px */
  --space-4: 1rem;      /* 16px */
  --space-5: 1.5rem;    /* 24px */
  --space-6: 2rem;      /* 32px */
  --space-7: 3rem;      /* 48px */
  --space-8: 4rem;      /* 64px */
  --space-9: 6rem;      /* 96px */
  --space-10: 8rem;     /* 128px */

  /* Radii */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 999px;

  /* Shadows (ink-tinted, no puro gris) */
  --shadow-sm: 0 1px 2px rgba(15, 36, 48, 0.06);
  --shadow-md: 0 4px 12px rgba(15, 36, 48, 0.08);
  --shadow-lg: 0 12px 32px rgba(15, 36, 48, 0.12);

  /* Motion */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --dur-fast: 150ms;
  --dur-base: 220ms;

  /* Layout */
  --container-max: 76rem;     /* 1216px */
  --container-narrow: 44rem;  /*  704px, óptimo para lectura */
}

/* ---------------------------------------------------------------------
   3. Reset
   --------------------------------------------------------------------- */

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

* { margin: 0; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  tab-size: 4;
}

body {
  min-height: 100vh;
  background: var(--color-paper);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  font-feature-settings: "liga", "clig", "kern";
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, picture, svg, video, canvas {
  display: block;
  max-width: 100%;
  height: auto;
}

input, button, textarea, select { font: inherit; color: inherit; }

button { background: none; border: 0; cursor: pointer; padding: 0; }

ul, ol { padding-left: 1.25rem; }

/* Listas sin estilo cuando se usan para layout */
ul[role="list"], ol[role="list"] {
  list-style: none;
  padding-left: 0;
}

a {
  color: var(--color-teal-700);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
  transition: color var(--dur-fast) var(--ease-out);
}
a:hover { color: var(--color-ink); }
a:visited { color: var(--color-teal-700); }

hr {
  border: 0;
  border-top: 1px solid var(--color-border);
  margin: var(--space-6) 0;
}

::selection {
  background: var(--color-teal-500);
  color: var(--color-white);
}

/* ---------------------------------------------------------------------
   4. Tipografía base
   --------------------------------------------------------------------- */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--color-ink);
  text-wrap: balance;
}

h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); margin-top: var(--space-6); }
h3 { font-size: var(--fs-h3); margin-top: var(--space-5); }
h4 { font-size: var(--fs-h4); margin-top: var(--space-4); }

p { text-wrap: pretty; }

strong { font-weight: 600; color: var(--color-ink); }
em { font-style: italic; }

small { font-size: var(--fs-small); color: var(--color-text-muted); }

blockquote {
  border-left: 3px solid var(--color-teal-500);
  padding: var(--space-2) 0 var(--space-2) var(--space-5);
  margin: var(--space-5) 0;
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-style: italic;
  color: var(--color-text-muted);
}

code, kbd, samp, pre {
  font-family: ui-monospace, SFMono-Regular, 'SF Mono', Menlo, Consolas, monospace;
  font-size: 0.9em;
}

code {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.1em 0.35em;
}

pre {
  background: var(--color-ink);
  color: var(--color-text-on-dark);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  overflow-x: auto;
}

pre code {
  background: transparent;
  border: 0;
  padding: 0;
  color: inherit;
}

/* Números oldstyle en precios para sensación editorial */
.price-figure, .price { font-variant-numeric: oldstyle-nums; }

/* ---------------------------------------------------------------------
   5. Utilidades
   --------------------------------------------------------------------- */

.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;
}

.skip-link {
  position: absolute;
  top: -100px; left: var(--space-4);
  background: var(--color-ink);
  color: var(--color-text-on-dark);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  text-decoration: none;
  z-index: 100;
  transition: top var(--dur-fast) var(--ease-out);
}
.skip-link:focus {
  top: var(--space-3);
  color: var(--color-text-on-dark);
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

.container-narrow {
  width: 100%;
  max-width: var(--container-narrow);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

@media (min-width: 640px) {
  .container, .container-narrow { padding-inline: var(--space-5); }
}

.stack > * + * { margin-top: var(--space-4); }
.stack-sm > * + * { margin-top: var(--space-2); }
.stack-lg > * + * { margin-top: var(--space-6); }

/* ---------------------------------------------------------------------
   6. Site header + nav
   --------------------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 250, 247, 0.92);
  backdrop-filter: saturate(180%) blur(8px);
  -webkit-backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
}

@media (min-width: 1024px) {
  .site-header {
    padding: var(--space-3) var(--space-6);
  }
}

.site-header .logo-link {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.site-header .logo-link img {
  height: 36px;
  width: auto;
}

.site-header nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-4);
}

.site-header nav a {
  color: var(--color-ink);
  text-decoration: none;
  font-weight: 500;
  padding: var(--space-2) var(--space-1);
  position: relative;
}

.site-header nav a:hover { color: var(--color-teal-700); }

.site-header nav a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: var(--space-1); right: var(--space-1);
  bottom: 0;
  height: 2px;
  background: var(--color-teal-700);
  border-radius: 2px;
}

.site-header nav a.btn { padding: var(--space-2) var(--space-4); }

/* ---------------------------------------------------------------------
   7. Breadcrumb
   --------------------------------------------------------------------- */

.breadcrumb {
  padding: var(--space-3) var(--space-4);
  font-size: var(--fs-small);
  color: var(--color-text-muted);
}

@media (min-width: 1024px) {
  .breadcrumb { padding: var(--space-4) var(--space-6); }
}

.breadcrumb ol {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.breadcrumb li + li::before {
  content: "/";
  margin-right: var(--space-2);
  color: var(--color-border-strong);
}

.breadcrumb a {
  color: var(--color-text-muted);
  text-decoration: none;
}

.breadcrumb a:hover { color: var(--color-teal-700); text-decoration: underline; }

.breadcrumb [aria-current="page"] { color: var(--color-ink); font-weight: 500; }

/* ---------------------------------------------------------------------
   8. Main + secciones
   --------------------------------------------------------------------- */

main { display: block; }

section {
  padding-block: var(--space-7);
}

@media (min-width: 1024px) {
  section { padding-block: var(--space-9); }
}

/* ---------------------------------------------------------------------
   9. Hero
   --------------------------------------------------------------------- */

.hero {
  padding-block: var(--space-8) var(--space-7);
}

.hero h1 {
  font-size: var(--fs-display);
  max-width: 22ch;
}

.hero .hero-lede {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  max-width: 52ch;
  margin-top: var(--space-4);
}

.hero .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

/* ---------------------------------------------------------------------
  10. Buttons
   --------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: var(--fs-body);
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease-out),
              color var(--dur-fast) var(--ease-out),
              transform var(--dur-fast) var(--ease-out),
              box-shadow var(--dur-fast) var(--ease-out);
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--color-teal-700);
  color: var(--color-white);
}
.btn-primary:hover { background: var(--color-teal-500); color: var(--color-white); }
.btn-primary:visited { color: var(--color-white); }

.btn-secondary {
  background: transparent;
  color: var(--color-ink);
  border-color: var(--color-ink);
}
.btn-secondary:hover { background: var(--color-ink); color: var(--color-text-on-dark); }

.btn-outline {
  background: transparent;
  color: var(--color-teal-700);
  border-color: var(--color-teal-700);
}
.btn-outline:hover { background: var(--color-teal-700); color: var(--color-white); }

.btn-ghost {
  background: transparent;
  color: var(--color-ink);
}
.btn-ghost:hover { background: var(--color-white); }

.btn-lg { padding: var(--space-4) var(--space-6); font-size: 1.0625rem; }
.btn-sm { padding: var(--space-2) var(--space-4); font-size: var(--fs-small); }

/* ---------------------------------------------------------------------
  11. Forms
   --------------------------------------------------------------------- */

.form-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-field + .form-field { margin-top: var(--space-4); }

.form-field label {
  font-weight: 500;
  color: var(--color-ink);
}

.form-field .form-hint {
  font-size: var(--fs-small);
  color: var(--color-text-muted);
}

.form-field input,
.form-field textarea,
.form-field select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-ink);
  font-size: var(--fs-body);
  transition: border-color var(--dur-fast) var(--ease-out),
              box-shadow var(--dur-fast) var(--ease-out);
}

.form-field input:hover,
.form-field textarea:hover,
.form-field select:hover { border-color: var(--color-border-strong); }

.form-field textarea { min-height: 6rem; resize: vertical; }

.form-field[aria-invalid="true"] input,
.form-field[aria-invalid="true"] textarea {
  border-color: var(--color-danger);
}

.form-field .form-error {
  font-size: var(--fs-small);
  color: var(--color-danger);
}

/* Honeypot: invisible para usuarios, visible para bots torpes */
.form-field-honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-status {
  padding: var(--space-4);
  border-radius: var(--radius-md);
  margin-top: var(--space-4);
}

.form-status-success { background: #e6f4ef; color: var(--color-sage-600); border: 1px solid var(--color-sage-600); }
.form-status-error { background: #fbece9; color: var(--color-danger); border: 1px solid var(--color-danger); }

/* ---------------------------------------------------------------------
  12. Cards: feature, pricing, case, blog
   --------------------------------------------------------------------- */

.card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: var(--space-5);
  transition: transform var(--dur-base) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-out);
}

.card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }

.card-grid {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .card-grid-3 { grid-template-columns: repeat(3, 1fr); }
  .card-grid-4 { grid-template-columns: repeat(4, 1fr); }
}

/* Feature card */
.feature-card h3 {
  margin-top: 0;
  font-size: var(--fs-h3);
  color: var(--color-ink);
}

.feature-card p { color: var(--color-text-muted); margin-top: var(--space-3); }

.feature-card .feature-icon {
  width: 40px; height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, var(--color-teal-500) 15%, transparent);
  color: var(--color-teal-700);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-3);
}

/* Pricing card */
.pricing-grid {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: 1fr;
  align-items: stretch;
}

@media (min-width: 1024px) {
  .pricing-grid { grid-template-columns: repeat(3, 1fr); }
}

.pricing-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  position: relative;
}

.pricing-card-highlight {
  border-color: var(--color-teal-700);
  border-width: 2px;
  box-shadow: var(--shadow-lg);
  transform: translateY(0);
}

@media (min-width: 1024px) {
  .pricing-card-highlight { transform: translateY(-8px); }
}

.pricing-card-highlight::before {
  content: "Más popular";
  position: absolute;
  top: -0.9rem; left: 50%;
  transform: translateX(-50%);
  background: var(--color-teal-700);
  color: var(--color-white);
  font-family: var(--font-sans);
  font-size: var(--fs-tiny);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-full);
}

.pricing-card h3 {
  margin-top: 0;
  font-size: 1.375rem;
}

.pricing-card .price {
  font-family: var(--font-serif);
  font-size: 2.75rem;
  font-weight: 600;
  line-height: 1;
  color: var(--color-ink);
  font-variant-numeric: oldstyle-nums;
}

.pricing-card .price-unit {
  font-size: var(--fs-body);
  color: var(--color-text-muted);
  font-family: var(--font-sans);
  font-weight: 400;
}

.pricing-card .pricing-features {
  list-style: none;
  padding: 0;
  margin: var(--space-3) 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.pricing-card .pricing-features li {
  padding-left: 1.4rem;
  position: relative;
  color: var(--color-text);
}

.pricing-card .pricing-features li::before {
  content: "✓";
  position: absolute;
  left: 0; top: 0;
  color: var(--color-sage-600);
  font-weight: 700;
}

.pricing-card .btn { align-self: stretch; margin-top: auto; }

/* Case card */
.case-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.case-card .case-logo {
  height: 40px;
  width: auto;
  align-self: flex-start;
  opacity: 0.9;
}

.case-card blockquote {
  border: 0;
  padding: 0;
  margin: 0;
  font-size: 1rem;
  font-style: normal;
  color: var(--color-text);
}

.case-card cite {
  display: block;
  font-size: var(--fs-small);
  color: var(--color-text-muted);
  font-style: normal;
  margin-top: var(--space-2);
}

/* Blog card */
.blog-index { padding-block: var(--space-7); }

.blog-index-header { text-align: center; margin-bottom: var(--space-7); }
.blog-index-header h1 { font-size: var(--fs-h1); }
.blog-index-header .blog-index-lede {
  color: var(--color-text-muted);
  max-width: 56ch;
  margin: var(--space-4) auto 0;
  font-size: 1.0625rem;
}

.blog-index-list {
  list-style: none;
  padding: 0;
  display: grid;
  gap: var(--space-6);
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .blog-index-list { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .blog-index-list { grid-template-columns: repeat(3, 1fr); }
}

.blog-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  height: 100%;
  transition: transform var(--dur-base) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-out);
}

.blog-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.blog-card-link {
  display: flex;
  flex-direction: column;
  height: 100%;
  color: inherit;
  text-decoration: none;
}

.blog-card-figure {
  margin: 0;
  aspect-ratio: 1200 / 630;
  background: color-mix(in srgb, var(--color-teal-500) 12%, var(--color-paper));
  overflow: hidden;
}

.blog-card-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.blog-card-body {
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  flex: 1;
}

.blog-card-meta {
  color: var(--color-text-muted);
  font-size: var(--fs-small);
}

.blog-card-category {
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
  color: var(--color-teal-700);
  font-size: var(--fs-tiny);
}

.blog-card h2 {
  margin-top: 0;
  font-size: 1.25rem;
  line-height: 1.25;
}

.blog-card-excerpt { color: var(--color-text-muted); flex: 1; }

.blog-card-cta {
  color: var(--color-teal-700);
  font-weight: 500;
  margin-top: var(--space-3);
}

.blog-index-cta {
  margin-top: var(--space-8);
  padding: var(--space-6);
  background: var(--color-ink);
  color: var(--color-text-on-dark);
  border-radius: var(--radius-lg);
  text-align: center;
}

.blog-index-cta h2 { color: var(--color-text-on-dark); margin-top: 0; }
.blog-index-cta p { color: var(--color-text-on-dark); opacity: 0.9; max-width: 56ch; margin-inline: auto; }
.blog-index-cta p + p { margin-top: var(--space-5); }

/* ---------------------------------------------------------------------
  13. Callout CTA
   --------------------------------------------------------------------- */

.callout-cta {
  background: var(--color-ink);
  color: var(--color-text-on-dark);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  text-align: center;
}

.callout-cta h2, .callout-cta h3 { color: var(--color-text-on-dark); margin-top: 0; }
.callout-cta p { color: var(--color-text-on-dark); opacity: 0.9; }

/* ---------------------------------------------------------------------
  14. FAQ (details nativos)
   --------------------------------------------------------------------- */

.faq {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.faq details {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-white);
  padding: var(--space-4) var(--space-5);
  transition: box-shadow var(--dur-fast) var(--ease-out);
}

.faq details[open] { box-shadow: var(--shadow-sm); }

.faq summary {
  cursor: pointer;
  font-weight: 600;
  font-family: var(--font-serif);
  font-size: 1.0625rem;
  color: var(--color-ink);
  list-style: none;
  position: relative;
  padding-right: 2rem;
}

.faq summary::-webkit-details-marker { display: none; }

.faq summary::after {
  content: "+";
  position: absolute;
  right: 0; top: 50%;
  transform: translateY(-50%);
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--color-teal-700);
  transition: transform var(--dur-fast) var(--ease-out);
}

.faq details[open] summary::after { content: "−"; }

.faq details > *:not(summary) { margin-top: var(--space-3); }

.faq details p { color: var(--color-text-muted); }

/* ---------------------------------------------------------------------
  15. Badges
   --------------------------------------------------------------------- */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-family: var(--font-sans);
  font-size: var(--fs-tiny);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  line-height: 1;
}

.badge-amber { background: var(--color-amber); color: var(--color-ink); }
.badge-teal { background: var(--color-teal-700); color: var(--color-white); }
.badge-sage { background: var(--color-sage-600); color: var(--color-white); }
.badge-outline {
  background: transparent;
  border: 1px solid var(--color-border-strong);
  color: var(--color-text-muted);
}

/* ---------------------------------------------------------------------
  16. Article prose (blog + casos de éxito largos)
   --------------------------------------------------------------------- */

article.prose {
  max-width: var(--container-narrow);
  margin-inline: auto;
  padding-inline: var(--space-4);
  padding-block: var(--space-6) var(--space-8);
}

article.prose > * + * { margin-top: var(--space-4); }

article.prose h1 {
  font-size: var(--fs-h1);
  margin-top: var(--space-5);
  margin-bottom: var(--space-4);
}

article.prose h2 {
  font-size: var(--fs-h2);
  margin-top: var(--space-7);
  padding-top: var(--space-2);
}

article.prose h3 {
  font-size: 1.25rem;
  margin-top: var(--space-6);
}

article.prose p {
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--color-text);
}

article.prose > ul, article.prose > ol {
  font-size: 1.0625rem;
  line-height: 1.75;
  padding-left: 1.5rem;
}

article.prose li + li { margin-top: var(--space-2); }

article.prose img, article.prose figure {
  margin-block: var(--space-6);
  border-radius: var(--radius-md);
}

article.prose figure figcaption {
  font-size: var(--fs-small);
  color: var(--color-text-muted);
  text-align: center;
  margin-top: var(--space-2);
}

article.prose blockquote {
  font-size: 1.125rem;
}

article.prose .article-meta {
  color: var(--color-text-muted);
  font-size: var(--fs-small);
}

article.prose .article-author {
  margin-top: var(--space-7);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: var(--fs-small);
}

/* ---------------------------------------------------------------------
  17. Site footer
   --------------------------------------------------------------------- */

.site-footer {
  background: var(--color-ink);
  color: var(--color-text-on-dark);
  padding: var(--space-8) var(--space-4) var(--space-6);
  margin-top: var(--space-9);
}

.site-footer a {
  color: var(--color-text-on-dark);
  text-decoration: none;
  opacity: 0.85;
}
.site-footer a:hover { opacity: 1; text-decoration: underline; }
.site-footer a:visited { color: var(--color-text-on-dark); }

.site-footer-cols {
  max-width: var(--container-max);
  margin-inline: auto;
  display: grid;
  gap: var(--space-6);
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .site-footer-cols { grid-template-columns: 1.25fr 1fr 1fr; }
}

.site-footer-cols > div > p { color: var(--color-text-on-dark); opacity: 0.75; margin-top: var(--space-3); max-width: 30ch; }

.site-footer-cols img { height: 36px; width: auto; margin-bottom: var(--space-3); filter: none; }

.site-footer nav ul {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.site-footer-copy {
  max-width: var(--container-max);
  margin: var(--space-7) auto 0;
  padding-top: var(--space-5);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--color-text-on-dark);
  opacity: 0.7;
  font-size: var(--fs-small);
  text-align: center;
}

.site-footer-fms {
  max-width: var(--container-max);
  margin: var(--space-2) auto 0;
  color: var(--color-text-on-dark);
  opacity: 0.7;
  font-size: var(--fs-small);
  text-align: center;
}

.site-footer-fms a {
  color: var(--color-text-on-dark);
  font-weight: 600;
  opacity: 1;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
}

/* ---------------------------------------------------------------------
  18. Accesibilidad y motion
   --------------------------------------------------------------------- */

:focus-visible {
  outline: 2px solid var(--color-teal-700);
  outline-offset: 2px;
  border-radius: 3px;
}

/* Sin outline doble en botones ya con foco estilizado */
.btn:focus-visible { outline-offset: 3px; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------------------------------------------------------------------
  19b. Homepage layout helpers (grids + bloques callout + utilities)
   --------------------------------------------------------------------- */

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.feature-grid {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: 1fr;
  margin-top: var(--space-6);
}

@media (min-width: 640px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .feature-grid { grid-template-columns: repeat(4, 1fr); }
}

.feature-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.feature-card a {
  color: var(--color-teal-700);
  font-weight: 600;
  margin-top: auto;
  text-decoration: none;
}

.feature-card a:hover { text-decoration: underline; }

.case-grid {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: 1fr;
  margin-top: var(--space-6);
}

@media (min-width: 1024px) {
  .case-grid { grid-template-columns: repeat(2, 1fr); }
}

.callout-content {
  max-width: 72ch;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  text-align: left;
}

.callout-content h2 { text-align: center; }

.callout-content img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  display: block;
}

.callout-bullets ul {
  list-style: disc;
  padding-left: 1.25rem;
  margin: var(--space-2) 0 var(--space-4);
  color: var(--color-text-on-dark);
  opacity: 0.92;
}

.callout-bullets ul li + li { margin-top: var(--space-1); }

.callout-bullets p { margin: 0; font-weight: 600; }

.callout-badge {
  display: inline-block;
  align-self: flex-start;
  padding: var(--space-1) var(--space-3);
  background: color-mix(in srgb, var(--color-amber) 90%, transparent);
  color: var(--color-ink);
  border-radius: var(--radius-full);
  font-family: var(--font-sans);
  font-size: var(--fs-tiny);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-align: center;
  margin: 0 auto;
}

.pricing-badge {
  position: absolute;
  top: -0.9rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-amber);
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: var(--fs-tiny);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.pricing-compare-link {
  text-align: center;
  margin-top: var(--space-6);
}

.form-aux {
  margin-top: var(--space-4);
  font-size: 0.875rem;
  color: var(--color-text-muted);
  text-align: center;
}

/* ---------------------------------------------------------------------
  19d. Pricing extras (trust-bar + compare-table + annual note)
   --------------------------------------------------------------------- */

.trust-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-3);
  list-style: none;
  padding: var(--space-4);
  margin: var(--space-5) 0;
  background: var(--color-paper-tint);
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
}

.trust-bar li {
  padding-left: 1.4rem;
  position: relative;
  color: var(--color-text);
}

.trust-bar li::before {
  content: "✓";
  position: absolute;
  left: 0; top: 0;
  color: var(--color-sage-600);
  font-weight: 700;
}

.price-annual {
  display: block;
  margin-top: var(--space-2);
  font-size: 0.875rem;
  color: var(--color-sage-600);
  font-weight: 500;
}

.compare-table-wrap {
  overflow-x: auto;
  margin-block: var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
  background: var(--color-white);
}

.compare-table th,
.compare-table td {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
}

.compare-table thead th {
  background: var(--color-paper-tint);
  color: var(--color-ink);
  font-weight: 600;
  font-size: 0.875rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.compare-table tbody tr:last-child th,
.compare-table tbody tr:last-child td { border-bottom: 0; }

.compare-table .yes { color: var(--color-sage-600); font-weight: 600; }
.compare-table .no  { color: var(--color-danger);    font-weight: 600; }

.compare-table th[scope="row"] {
  font-weight: 500;
  color: var(--color-ink);
  background: var(--color-paper);
}

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

/* ---------------------------------------------------------------------
  19e. Progressive-enhancement reveal (class added by script.js)
   --------------------------------------------------------------------- */

.js-reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 520ms var(--ease-out), transform 520ms var(--ease-out);
  will-change: opacity, transform;
}

.js-reveal-in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .js-reveal, .js-reveal-in { opacity: 1; transform: none; transition: none; }
}

/* ---------------------------------------------------------------------
  19c. Pilar pages (lede, toc, section-block, section-list, section-note)
   --------------------------------------------------------------------- */

.lede {
  font-size: var(--fs-body-lg);
  color: var(--color-text-muted);
  max-width: 68ch;
  margin-block: var(--space-3) var(--space-5);
}

.toc {
  padding: var(--space-4) var(--space-5);
  border-left: 3px solid var(--color-teal-500);
  background: var(--color-paper-tint);
  border-radius: var(--radius-sm);
  margin-block: var(--space-5) var(--space-7);
}

.toc h2 {
  font-size: var(--fs-h4);
  margin: 0 0 var(--space-3);
}

.toc ol,
.toc ul {
  margin: 0;
  padding-left: 1.25rem;
}

.toc li + li {
  margin-top: var(--space-1);
}

.section-block {
  margin-block: var(--space-7);
  scroll-margin-top: var(--space-7);
}

.section-list {
  padding-left: 1.25rem;
  line-height: 1.75;
}

.section-list li + li {
  margin-top: var(--space-2);
}

.section-note {
  padding: var(--space-4);
  background: color-mix(in srgb, var(--color-amber) 12%, transparent);
  border-left: 3px solid var(--color-amber);
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  margin-block: var(--space-4);
}

.section-note strong {
  color: var(--color-ink);
}

/* ---------------------------------------------------------------------
  19. Dark mode (tokens preparados; activar en v1.x)
   --------------------------------------------------------------------- */

/*
@media (prefers-color-scheme: dark) {
  :root {
    --color-paper: #0b1a23;
    --color-white: #112a37;
    --color-text: #e8eef1;
    --color-text-muted: #9aa8b0;
    --color-border: #1f3947;
    --color-border-strong: #2a4b5d;
  }
}
*/