/* ==========================================================================
   Marcelo Enríquez · Observatorios de datos
   Hoja de estilos única. Sin sombras: la separación se hace con filetes de
   1px y fondos. El filete vertical (border-left) es la firma visual.
   ========================================================================== */

/* ---------- 1. Tokens ---------- */
:root {
  --background: #ffffff;          /* blanco */
  --card: #fdfcf9;                /* oklch(0.99 0.004 85) */
  --popover: #fdfcf9;
  --foreground: #0f171f;          /* oklch(0.2 0.02 250) */
  --primary: #112b40;             /* oklch(0.28 0.05 245) */
  --primary-foreground: #f7f5f1;  /* oklch(0.97 0.006 85) */
  --secondary: #ebe7e0;           /* oklch(0.93 0.01 85) */
  --secondary-foreground: #0f171f;
  --muted: #eeebe5;               /* oklch(0.94 0.008 85) */
  --muted-foreground: #555f69;    /* oklch(0.48 0.02 250) */
  --accent: #c16e2d;              /* oklch(0.62 0.13 55) */
  --accent-foreground: #fcfcfc;   /* oklch(0.99 0 0) */
  --ink: #081725;                 /* oklch(0.2 0.035 248) */
  --ink-foreground: #ebe7e0;      /* oklch(0.93 0.01 85) */
  --ink-muted: #a9b0b8;           /* texto de apoyo sobre ink */
  --ink-border: #24323f;          /* filetes sobre ink */
  --border: #d8d4cc;              /* oklch(0.87 0.012 85) */
  --input: #d8d4cc;
  --ring: #112b40;
  --destructive: #e7000b;         /* oklch(0.577 0.245 27.325) */

  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --font-body: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;

  --wrap: 1180px;
  --gutter: 24px;
  --section-y: 96px;
  --radius: 2px;

  color-scheme: light;
}

@supports (color: oklch(0 0 0)) {
  :root {
    --background: oklch(1 0 0);
    --card: oklch(0.99 0.004 85);
    --popover: oklch(0.99 0.004 85);
    --foreground: oklch(0.2 0.02 250);
    --primary: oklch(0.28 0.05 245);
    --primary-foreground: oklch(0.97 0.006 85);
    --secondary: oklch(0.93 0.01 85);
    --secondary-foreground: oklch(0.2 0.02 250);
    --muted: oklch(0.94 0.008 85);
    --muted-foreground: oklch(0.48 0.02 250);
    --accent: oklch(0.62 0.13 55);
    --accent-foreground: oklch(0.99 0 0);
    --ink: oklch(0.2 0.035 248);
    --ink-foreground: oklch(0.93 0.01 85);
    --border: oklch(0.87 0.012 85);
    --input: oklch(0.87 0.012 85);
    --ring: oklch(0.28 0.05 245);
    --destructive: oklch(0.577 0.245 27.325);
  }
}

/* ---------- 2. Base ---------- */
*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-padding-top: 88px; }

body {
  margin: 0;
  background: var(--background);
  color: var(--foreground);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
}

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

[hidden] { display: none !important; }

a { color: var(--primary); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }

:focus-visible { outline: 2px solid var(--ring); outline-offset: 3px; }

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--foreground);
  margin: 0;
  text-wrap: balance;
  font-optical-sizing: auto;
}
h1 { font-size: 48px; line-height: 1.05; }
h2 { font-size: 30px; line-height: 1.15; }
h3 { font-size: 20px; line-height: 1.3; }

p { margin: 0; }
ul, ol { margin: 0; padding: 0; }

.skip-link {
  position: absolute; left: 16px; top: -48px;
  background: var(--primary); color: var(--primary-foreground);
  padding: 8px 14px; z-index: 50; text-decoration: none;
}
.skip-link:focus { top: 12px; }

.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}

/* ---------- 3. Layout ---------- */
.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-left: max(var(--gutter), env(safe-area-inset-left, 0px));
  padding-right: max(var(--gutter), env(safe-area-inset-right, 0px));
}

.section { padding-block: var(--section-y); }
.section + .section { border-top: 1px solid var(--border); }
.section--muted { background: var(--muted); }
.section--flush-top { padding-top: 0; }

.section-head { display: grid; gap: 16px; max-width: 46rem; margin-bottom: 48px; }

.eyebrow {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--accent);
  line-height: 1.4;
}

.lead { font-size: 18px; line-height: 1.6; color: var(--muted-foreground); max-width: 40rem; }
.support { color: var(--muted-foreground); }
.measure { max-width: 40rem; }

.grid { display: grid; gap: 40px; }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid > * { min-width: 0; }

.stack { display: grid; gap: 16px; align-content: start; }
.stack--lg { gap: 24px; }

/* ---------- 4. Header ---------- */
body::before {
  content: ""; position: fixed; inset: 0 0 auto;
  height: env(safe-area-inset-top, 0px); z-index: 10; background: var(--background);
}

.site-header {
  position: sticky;
  top: env(safe-area-inset-top, 0px);
  z-index: 20;
  background: var(--background);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex; align-items: center; gap: 32px;
  min-height: 72px;
}

.brand {
  display: flex; align-items: center; gap: 12px;
  text-decoration: none; color: var(--primary); flex-shrink: 0;
}
.brand img { width: 32px; height: 32px; }
.brand-text { display: grid; line-height: 1.1; }
.brand-name {
  font-family: var(--font-display); font-weight: 600; font-size: 19px;
  letter-spacing: -0.02em; color: var(--primary);
}
.brand-tag { font-size: 12px; color: var(--muted-foreground); letter-spacing: 0.02em; }

.site-nav { margin-left: auto; }
.site-nav ul { list-style: none; display: flex; gap: 4px; }
.site-nav a {
  display: block; padding: 8px 12px;
  font-size: 15px; font-weight: 500; color: var(--foreground);
  text-decoration: none; border-radius: var(--radius);
}
.site-nav a:hover { background: var(--secondary); }
.site-nav a[aria-current="page"] {
  color: var(--primary);
  box-shadow: inset 0 -2px 0 var(--primary);
  border-radius: 0;
}

.nav-toggle {
  display: none; margin-left: auto;
  font: 500 15px/1 var(--font-body);
  background: transparent; color: var(--foreground);
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 10px 14px; cursor: pointer;
}
.nav-toggle:hover { background: var(--secondary); }

/* ---------- 5. Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font: 500 15px/1.2 var(--font-body);
  padding: 13px 22px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  text-decoration: none; cursor: pointer;
  transition: background-color .15s ease, color .15s ease, border-color .15s ease;
}
.btn--primary { background: var(--primary); color: var(--primary-foreground); }
.btn--primary:hover { background: var(--ink); }
.btn--secondary { background: transparent; color: var(--foreground); border-color: var(--border); }
.btn--secondary:hover { background: var(--secondary); color: var(--secondary-foreground); }
.btn--accent { background: var(--accent); color: var(--accent-foreground); }
.btn--accent:hover { background: var(--primary); }
.btn--small { padding: 10px 16px; font-size: 14px; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }

.text-link {
  font-weight: 500; color: var(--primary); text-decoration: none;
  border-bottom: 1px solid currentColor; padding-bottom: 2px;
}
.text-link:hover { border-bottom-width: 2px; }
.text-link::after { content: " →"; }

/* ---------- 6. Hero (Inicio) ---------- */
.hero { padding-block: 104px 96px; }
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.75fr) minmax(0, 1fr);
  gap: 64px;
  align-items: end;
}
.hero h1 { font-size: 60px; line-height: 1.05; max-width: 16ch; }
.hero-copy { display: grid; gap: 28px; }

/* Columna de cifras con filete vertical */
.figures {
  border-left: 1px solid var(--border);
  padding-left: 40px;
  display: grid; gap: 28px;
}
.figure { display: grid; gap: 4px; }
.figure-value {
  font-family: var(--font-display); font-weight: 500;
  font-size: 36px; line-height: 1; letter-spacing: -0.02em;
  color: var(--primary);
  font-variant-numeric: tabular-nums lining-nums;
}
.figure-label { font-size: 14px; color: var(--muted-foreground); line-height: 1.45; }
.figures-note { font-size: 12px; color: var(--muted-foreground); }

/* ---------- 7. Encabezado de páginas internas ---------- */
.page-hero { padding-block: 88px 64px; border-bottom: 1px solid var(--border); }
.page-hero .wrap { display: grid; gap: 20px; }
.page-hero h1 { max-width: 20ch; }

/* ---------- 8. Listas y bloques ---------- */
.dash-list { list-style: none; display: grid; gap: 14px; }
.dash-list li { position: relative; padding-left: 28px; }
.dash-list li::before {
  content: "—"; position: absolute; left: 0; top: 0;
  color: var(--accent); font-weight: 500;
}

.item { display: grid; gap: 12px; align-content: start; }
.item p { color: var(--muted-foreground); }

.ruled { border-top: 1px solid var(--border); padding-top: 24px; }

.statement {
  font-family: var(--font-display); font-weight: 400;
  font-size: 30px; line-height: 1.25; letter-spacing: -0.02em;
  max-width: 30ch; text-wrap: balance;
}
.statement strong { font-weight: 500; color: var(--primary); }

/* Pasos (proceso real, en orden) */
.steps { list-style: none; counter-reset: step; display: grid; gap: 0; }
.steps > li {
  counter-increment: step;
  display: grid; grid-template-columns: 72px minmax(0, 1fr) minmax(0, 1.2fr);
  gap: 24px; padding-block: 28px;
  border-top: 1px solid var(--border);
}
.steps > li:last-child { border-bottom: 1px solid var(--border); }
.steps > li::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-display); font-size: 36px; line-height: 1;
  color: var(--accent); font-variant-numeric: tabular-nums;
}
.steps h3 { padding-top: 6px; }
.steps p { color: var(--muted-foreground); padding-top: 6px; }

/* Tarjetas (solo donde hace falta separar objetos) */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  display: grid; gap: 16px; align-content: start;
}
.card p { color: var(--muted-foreground); }

.pack-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.pack { grid-template-rows: auto auto auto 1fr auto; }
.pack-meta {
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  border-top: 1px solid var(--border); padding-top: 16px;
  font-size: 14px; color: var(--muted-foreground);
}
.pack-meta strong { color: var(--foreground); font-weight: 500; }
.pack-index {
  font-family: var(--font-display); font-size: 36px; line-height: 1;
  color: var(--accent); font-variant-numeric: tabular-nums;
}

/* Filas simples de paquetes en Inicio */
.rows { display: grid; }
.row {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.6fr) auto;
  gap: 32px; align-items: baseline;
  padding-block: 24px; border-top: 1px solid var(--border);
}
.row:last-child { border-bottom: 1px solid var(--border); }
.row p { color: var(--muted-foreground); }
.row .tag { font-size: 13px; color: var(--muted-foreground); white-space: nowrap; }

/* ---------- 9. Sección oscura (una por página) ---------- */
.section--ink { background: var(--ink); color: var(--ink-foreground); }
.section--ink h2, .section--ink h3 { color: var(--ink-foreground); }
.section--ink .lead, .section--ink p { color: var(--ink-muted); }
.section--ink .eyebrow { color: var(--accent); }
.section--ink a { color: var(--ink-foreground); }
.section--ink + .section { border-top: 0; }

.method-grid {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  gap: 64px; align-items: start;
}
.method-list { list-style: none; display: grid; border-left: 1px solid var(--ink-border); }
.method-list li {
  display: grid; grid-template-columns: 48px minmax(0, 1fr); gap: 8px;
  padding: 18px 0 18px 28px; border-bottom: 1px solid var(--ink-border);
}
.method-list li:last-child { border-bottom: 0; }
.method-list .n {
  font-family: var(--font-display); font-size: 20px; color: var(--accent);
  font-variant-numeric: tabular-nums;
}
.method-list strong { color: var(--ink-foreground); font-weight: 500; display: block; }
.method-list span { color: var(--ink-muted); }

/* ---------- 10. Caso de portafolio ---------- */
.case {
  display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 56px; align-items: start;
}
.case-figure { border-left: 1px solid var(--border); padding-left: 40px; display: grid; gap: 24px; }
.big-quote {
  font-family: var(--font-display); font-weight: 500; letter-spacing: -0.02em;
  font-size: 36px; line-height: 1.1; color: var(--primary);
}
.big-quote em { font-style: normal; color: var(--accent); }

.chart-box {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px; display: grid; gap: 16px; overflow-x: auto;
}
.chart-box svg { min-width: 480px; width: 100%; }
.chart-title { font-family: var(--font-display); font-size: 20px; font-weight: 500; letter-spacing: -0.01em; }
.chart-note { font-size: 13px; color: var(--muted-foreground); }

/* ---------- 11. Tablas ---------- */
.table-wrap { overflow-x: auto; border-top: 1px solid var(--border); }
table { width: 100%; border-collapse: collapse; font-size: 15px; }
th, td { text-align: left; padding: 14px 16px 14px 0; border-bottom: 1px solid var(--border); vertical-align: top; }
th { font-weight: 500; font-size: 13px; color: var(--muted-foreground); text-transform: uppercase; letter-spacing: 0.08em; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; padding-right: 0; padding-left: 16px; white-space: nowrap; }
tfoot td { font-weight: 500; }

/* ---------- 12. Sobre mí: columna de principios ---------- */
.about-grid { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); gap: 64px; align-items: start; }
.prose { display: grid; gap: 20px; max-width: 40rem; }
.prose p { font-size: 17px; }
.prose h2 { margin-top: 16px; }
.principles { border-left: 1px solid var(--border); padding-left: 40px; display: grid; gap: 32px; }
.principle { display: grid; gap: 6px; }
.principle h3 { color: var(--primary); }
.principle p { color: var(--muted-foreground); font-size: 15px; }

/* ---------- 13. Preguntas frecuentes ---------- */
.faq { display: grid; border-top: 1px solid var(--border); }
.faq details { border-bottom: 1px solid var(--border); }
.faq summary {
  list-style: none; cursor: pointer;
  display: flex; justify-content: space-between; gap: 24px; align-items: baseline;
  padding-block: 22px;
  font-family: var(--font-display); font-size: 20px; font-weight: 500; letter-spacing: -0.01em;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--accent); font-family: var(--font-body); font-size: 22px; }
.faq details[open] summary::after { content: "–"; }
.faq .answer { padding-bottom: 24px; color: var(--muted-foreground); max-width: 44rem; display: grid; gap: 12px; }

/* ---------- 14. Formulario ---------- */
.form { display: grid; gap: 20px; }
.form-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.field { display: grid; gap: 8px; }
.field label { font-size: 14px; font-weight: 500; }
.field .hint { font-size: 13px; color: var(--muted-foreground); }
.field input, .field select, .field textarea {
  font: 400 16px/1.5 var(--font-body);
  color: var(--foreground);
  background: var(--card);
  border: 1px solid var(--input);
  border-radius: var(--radius);
  padding: 12px 14px;
  width: 100%;
}
.field textarea { min-height: 140px; resize: vertical; }
.field input:focus-visible, .field select:focus-visible, .field textarea:focus-visible {
  outline: 2px solid var(--ring); outline-offset: 1px; border-color: var(--ring);
}
.field [aria-invalid="true"] { border-color: var(--destructive); }
.error { color: var(--destructive); font-size: 13px; }
.form-status { font-size: 15px; color: var(--muted-foreground); }
.check { display: flex; gap: 12px; align-items: flex-start; font-size: 14px; color: var(--muted-foreground); }
.check input { margin-top: 4px; accent-color: var(--primary); }

.contact-aside { border-left: 1px solid var(--border); padding-left: 40px; display: grid; gap: 28px; align-content: start; }
.email-box { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.email-text {
  font-family: var(--font-display); font-size: 22px; font-weight: 500; color: var(--primary);
  letter-spacing: -0.01em; user-select: all; word-break: break-all;
}

/* ---------- 15. Cierre ---------- */
.closing { padding-block: 104px; border-top: 1px solid var(--border); }
.closing-inner { display: grid; gap: 24px; max-width: 48rem; }
.closing h2 { font-size: 36px; line-height: 1.12; }

/* ---------- 16. Pie (ink) ---------- */
.site-footer { background: var(--ink); color: var(--ink-foreground); padding-block: 72px 32px; font-size: 15px; }
.footer-grid {
  display: grid; grid-template-columns: minmax(0, 1.6fr) repeat(3, minmax(0, 1fr));
  gap: 40px; padding-bottom: 48px; border-bottom: 1px solid var(--ink-border);
}
.footer-grid > * { min-width: 0; }
.footer-brand { display: grid; gap: 14px; align-content: start; }
.footer-brand .brand-name { color: var(--ink-foreground); font-size: 22px; }
.footer-brand p { color: var(--ink-muted); max-width: 30ch; }
.footer-col h2 {
  font-family: var(--font-body); font-size: 12px; font-weight: 500;
  text-transform: uppercase; letter-spacing: 0.2em; color: var(--accent); margin-bottom: 16px;
}
.footer-col ul { list-style: none; display: grid; gap: 10px; }
.footer-col a { color: var(--ink-foreground); text-decoration: none; }
.footer-col a:hover { text-decoration: underline; }
.footer-col p { color: var(--ink-muted); }
.footer-bottom {
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  padding-top: 24px; font-size: 13px; color: var(--ink-muted);
}
.footer-bottom a { color: var(--ink-muted); }

/* ---------- 17. Responsive ---------- */
@media (max-width: 1080px) {
  .site-nav a { padding: 8px 9px; font-size: 14px; }
  .header-inner { gap: 20px; }
}

@media (max-width: 960px) {
  :root { --section-y: 72px; }
  .nav-toggle { display: inline-flex; }
  .header-cta { display: none; }
  .site-nav {
    display: none; position: absolute; left: 0; right: 0; top: 100%;
    background: var(--background); border-bottom: 1px solid var(--border);
  }
  .site-nav.is-open { display: block; }
  .site-nav ul {
    flex-direction: column; gap: 0;
    padding: 8px max(var(--gutter), env(safe-area-inset-right, 0px)) 20px max(var(--gutter), env(safe-area-inset-left, 0px));
  }
  .site-nav a { padding: 14px 0; font-size: 17px; border-bottom: 1px solid var(--border); border-radius: 0; }
  .site-nav a[aria-current="page"] { box-shadow: none; color: var(--accent); }
  .header-inner { position: relative; }

  .hero-grid, .method-grid, .case, .about-grid { grid-template-columns: minmax(0, 1fr); gap: 48px; }
  .grid--3, .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-brand { grid-column: 1 / -1; }
  .steps > li { grid-template-columns: 64px minmax(0, 1fr); }
  .steps > li p { grid-column: 2; padding-top: 0; }
  .row { grid-template-columns: minmax(0, 1fr); gap: 8px; }
}

@media (max-width: 680px) {
  :root { --gutter: 20px; --section-y: 64px; }
  h1, .page-hero h1 { font-size: 36px; }
  .hero h1 { font-size: 48px; }
  .hero { padding-block: 64px; }
  .page-hero { padding-block: 56px 48px; }
  h2 { font-size: 26px; }
  .closing h2 { font-size: 30px; }
  .statement { font-size: 24px; }
  .big-quote { font-size: 30px; }
  .grid--2, .grid--3, .grid--4, .pack-grid, .form-row { grid-template-columns: minmax(0, 1fr); }
  .figures, .case-figure, .principles, .contact-aside { padding-left: 24px; }
  .card { padding: 24px; }
  .footer-grid { grid-template-columns: minmax(0, 1fr); }
  .brand-tag { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; scroll-behavior: auto !important; }
}

@media print {
  .site-header, .site-footer, .nav-toggle, .closing { display: none; }
  body { background: #fff; }
}

/* ---------- 18. Página de entrada (index.html) ---------- */
.intro-hero { padding-block: 96px 56px; }
.intro-head { display: grid; gap: 24px; }
.intro-head h1 { font-size: 60px; line-height: 1.05; max-width: 18ch; }

.choices { padding-bottom: 96px; }
.choice-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.choice {
  display: grid;
  grid-template-rows: auto auto auto 1fr auto auto;
  gap: 16px;
  padding: 40px;
  align-content: start;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  min-width: 0;
}
.choice h2 { font-size: 36px; line-height: 1.1; color: var(--primary); }
.choice-tagline {
  font-family: var(--font-display); font-size: 20px; line-height: 1.35;
  letter-spacing: -0.01em; color: var(--foreground);
}
.choice-text { color: var(--muted-foreground); }
.choice .dash-list { gap: 10px; font-size: 15px; }
.choice-foot {
  display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap;
  border-top: 1px solid var(--border); padding-top: 24px; margin-top: 8px;
}
.choice-direction { font-size: 13px; color: var(--muted-foreground); }

.intro-common { border-top: 1px solid var(--border); padding-block: 56px 72px; }
.intro-common-inner { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 3fr); gap: 40px; align-items: start; }
.intro-common h2.eyebrow { letter-spacing: 0.2em; font-family: var(--font-body); }
.common-list { list-style: none; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; }
.common-list li { border-left: 1px solid var(--border); padding-left: 20px; color: var(--muted-foreground); font-size: 15px; }
.common-list strong { display: block; color: var(--foreground); font-weight: 500; margin-bottom: 4px; }

.header-mail { margin-left: auto; }
.site-footer--slim { padding-block: 28px; }
.site-footer--slim .footer-bottom { padding-top: 0; }

@media (max-width: 960px) {
  .choice-grid, .intro-common-inner, .common-list { grid-template-columns: minmax(0, 1fr); }
  .common-list { gap: 20px; }
}
@media (max-width: 680px) {
  .intro-hero { padding-block: 56px 40px; }
  .intro-head h1 { font-size: 40px; }
  .choice { padding: 24px; }
  .choice h2 { font-size: 30px; }
  .choices { padding-bottom: 64px; }
  .header-mail { display: none; }
}

/* Alinear filas de las dos tarjetas (lista y pie a la misma altura) */
@media (min-width: 961px) {
  @supports (grid-template-rows: subgrid) {
    .choice-grid { row-gap: 0; }
    .choice { grid-row: span 6; grid-template-rows: subgrid; row-gap: 16px; }
  }
}
.choice-foot { flex-direction: column; align-items: flex-start; }

/* ==========================================================================
   19. Sección Negocios y Proyectos (carpeta pages/)
   ========================================================================== */

/* Fila de cifras del proceso (cada cifra con filete vertical) */
.stat-row { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; margin-top: 16px; }
.stat-row .figure { border-left: 1px solid var(--border); padding-left: 20px; }

/* Línea de tiempo del proceso (pasos reales, en orden) */
.timeline { list-style: none; counter-reset: tl; display: grid; }
.timeline > li {
  counter-increment: tl;
  display: grid; grid-template-columns: 72px minmax(0, 1fr); gap: 24px;
  padding-block: 32px; border-top: 1px solid var(--border);
}
.timeline > li:last-child { border-bottom: 1px solid var(--border); }
.timeline > li::before {
  content: counter(tl);
  font-family: var(--font-display); font-size: 36px; line-height: 1;
  color: var(--accent); font-variant-numeric: tabular-nums;
}
.timeline .tl-body { display: grid; gap: 12px; max-width: 44rem; min-width: 0; }
.timeline .tl-body > p { color: var(--muted-foreground); }
.meta { display: flex; flex-wrap: wrap; gap: 6px 18px; font-size: 13px; color: var(--muted-foreground); }
.meta span + span { padding-left: 18px; border-left: 1px solid var(--border); }
.meta .free { color: var(--primary); font-weight: 500; }
.note { font-size: 14px; color: var(--muted-foreground); border-left: 1px solid var(--border); padding-left: 16px; }

/* Dos columnas comparadas (lo que tú haces / lo que yo hago) */
.split { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--border); }
.split > div { padding: 32px 32px 8px 0; display: grid; gap: 16px; align-content: start; min-width: 0; }
.split > div + div { border-left: 1px solid var(--border); padding-left: 32px; }

/* Etiquetas de contenido (texto, sin cápsulas) */
.tags { font-size: 13px; color: var(--muted-foreground); letter-spacing: 0.02em; }

/* Casos de estudio */
.case-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.case-card {
  display: grid; grid-template-rows: auto auto 1fr auto; gap: 12px;
  padding: 28px; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  text-decoration: none; color: var(--foreground); min-width: 0;
  transition: border-color .15s ease;
}
.case-card:hover { border-color: var(--primary); }
.case-card h3 { color: var(--primary); }
.case-card p { color: var(--muted-foreground); font-size: 15px; }
.case-card .text-link { justify-self: start; }

.case-nav { display: flex; flex-wrap: wrap; gap: 8px 24px; font-size: 15px; }
.case-nav a[aria-current="page"] { color: var(--accent); text-decoration: none; }

/* Tablero de Power BI incrustado */
.embed {
  position: relative; width: 100%; max-width: 100%;
  aspect-ratio: 16 / 10; min-height: 420px;
  border: 1px solid var(--border); background: var(--muted);
}
.embed iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

/* Tabla de tiempos */
.table-wrap td:last-child { white-space: nowrap; }

/* Índice lateral (privacidad) */
.toc { list-style: none; display: grid; gap: 8px; font-size: 14px; counter-reset: toc; }
.toc a { color: var(--foreground); text-decoration: none; }
.toc a:hover { color: var(--primary); text-decoration: underline; }
.sticky-aside { position: sticky; top: 100px; }
.prose h3 { font-size: 18px; margin-top: 4px; }
.prose ul.dash-list { gap: 10px; }

/* Herramientas */
.tool-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; border-top: 1px solid var(--border); }
.tool { padding: 20px 20px 20px 0; border-bottom: 1px solid var(--border); display: grid; gap: 4px; min-width: 0; }
.tool strong { font-family: var(--font-display); font-weight: 500; font-size: 18px; color: var(--primary); }
.tool span { font-size: 14px; color: var(--muted-foreground); }

/* Trayectoria */
.career { display: grid; border-top: 1px solid var(--border); }
.career-item { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 2.4fr); gap: 32px; padding-block: 32px; border-bottom: 1px solid var(--border); }
.career-when { font-size: 14px; color: var(--muted-foreground); font-variant-numeric: tabular-nums; }
.career-body { display: grid; gap: 10px; max-width: 44rem; }
.career-body .where { font-size: 14px; color: var(--muted-foreground); }
.career-body p { color: var(--muted-foreground); }

/* Formulario por pasos */
.stepper { list-style: none; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--border); margin-bottom: 32px; }
.stepper li { padding: 14px 12px 0 0; font-size: 14px; color: var(--muted-foreground); border-top: 2px solid transparent; margin-top: -1px; }
.stepper li[aria-current="step"] { color: var(--primary); border-top-color: var(--primary); font-weight: 500; }
.stepper li.done { color: var(--foreground); border-top-color: var(--border); }
.stepper .n { font-family: var(--font-display); color: var(--accent); margin-right: 8px; }
.form-step { display: grid; gap: 22px; }
.form-step h2 { font-size: 24px; }
fieldset { border: 0; margin: 0; padding: 0; min-width: 0; }
legend { font-size: 14px; font-weight: 500; padding: 0; margin-bottom: 8px; }
.choice-radio { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.choice-radio label {
  display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 4px 12px; align-items: start;
  padding: 18px; background: var(--card); border: 1px solid var(--input); border-radius: var(--radius); cursor: pointer;
}
.choice-radio input { margin-top: 5px; accent-color: var(--primary); grid-row: span 2; }
.choice-radio strong { font-weight: 500; }
.choice-radio small { font-size: 13px; color: var(--muted-foreground); }
.choice-radio label:has(input:checked) { border-color: var(--primary); box-shadow: inset 0 0 0 1px var(--primary); }
.check-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px 20px; }
.check-grid label { display: flex; gap: 10px; align-items: center; font-size: 15px; font-weight: 400; }
.check-grid input { accent-color: var(--primary); width: 16px; height: 16px; }
.form-nav { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; padding-top: 8px; }
.form-alert { color: var(--destructive); font-size: 14px; }
.success { display: grid; gap: 20px; padding: 32px; border: 1px solid var(--border); background: var(--card); }
.summary { display: grid; border-top: 1px solid var(--border); }
.summary div { display: grid; grid-template-columns: 10rem minmax(0, 1fr); gap: 16px; padding-block: 10px; border-bottom: 1px solid var(--border); font-size: 15px; }
.summary dt { color: var(--muted-foreground); }
.summary dd { margin: 0; }

@media (max-width: 960px) {
  .stat-row, .tool-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .case-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .career-item { grid-template-columns: minmax(0, 1fr); gap: 8px; }
  .sticky-aside { position: static; }
}
@media (max-width: 680px) {
  .case-grid, .split, .choice-radio, .check-grid { grid-template-columns: minmax(0, 1fr); }
  .split > div + div { border-left: 0; border-top: 1px solid var(--border); padding-left: 0; }
  .split > div { padding-right: 0; }
  .timeline > li { grid-template-columns: 44px minmax(0, 1fr); gap: 14px; }
  .timeline > li::before { font-size: 28px; }
  .embed { aspect-ratio: auto; height: 520px; min-height: 0; }
  .summary div { grid-template-columns: minmax(0, 1fr); gap: 2px; }
  .stepper li { font-size: 13px; }
}
@media (min-width: 961px) {
  @supports (grid-template-rows: subgrid) {
    .choice.choice--4 { grid-row: span 4; }
  }
}