/* ============================================================================
   service.css — Hoja de estilos COMPARTIDA de las páginas de servicio de Vértice
   ----------------------------------------------------------------------------
   Una sola fuente de verdad para las 6+ páginas de servicio. Editas aquí,
   cambian todas. Organizado en capas:
     1. TOKENS        (:root — identidad + escala tipográfica + sombras + cremas)
     2. BASE          (reset, body, tipografía base)
     3. PRIMITIVAS    (.container, .section, .asym, .full-bleed)
     4. CHROME        (nav, footer, botones)
     5. BLOQUES       (cada uno = un patrón de maquetación reutilizable)
     6. UTILIDADES    (eyebrow, reveal, iconos de color)
     7. RESPONSIVE

   IDENTIDAD: mono-tema crema + Source Serif 4 (titulares) + Inter (cuerpo).
   No romper. El color de ACENTO de cada servicio se inyecta por página con
   `style="--accent: var(--teal)"` en el <body> (default = azul).
   ========================================================================== */

/* ── 1. TOKENS ───────────────────────────────────────────────────────────── */
:root {
  /* color de marca */
  --blue: #2563eb;
  --blue-lt: #3b82f6;
  --teal: #0ea5e9;
  --emerald: #10b981;
  --amber: #f59e0b;

  /* superficies — tres planos de luz sobre crema (NO tema dual) */
  --cream: #f7f5f0;
  --cream-deep: #f1ece2;   /* sección alterna, -1 paso de luz */
  --surface: #ffffff;      /* cards / formularios */
  --ink: #16203d;          /* texto */
  --ink-band: #131c34;     /* única banda oscura (clímax / cadena de valor) */
  --muted: #5b6478;
  --border: rgba(22, 32, 61, 0.10);
  --border-strong: rgba(22, 32, 61, 0.16);

  /* acento por página (lo sobreescribe cada servicio) */
  --accent: var(--blue);
  --accent-soft: rgba(37, 99, 235, 0.10);

  /* radios */
  --radius: 12px;
  --radius-lg: 20px;

  /* tipografía */
  --serif: 'Source Serif 4', Georgia, 'Times New Roman', serif;
  --sans: 'Inter', system-ui, sans-serif;

  /* escala tipográfica fluida (la jerarquía nace del tamaño, no del color) */
  --step--1: clamp(0.8rem, 0.77rem + 0.12vw, 0.875rem);
  --step-0:  clamp(1rem, 0.96rem + 0.2vw, 1.0625rem);
  --step-1:  clamp(1.2rem, 1.06rem + 0.6vw, 1.5rem);
  --step-2:  clamp(1.85rem, 1.4rem + 1.9vw, 2.7rem);
  --step-3:  clamp(2.3rem, 1.65rem + 3.2vw, 3.9rem);
  --step-4:  clamp(3.2rem, 1.9rem + 6.4vw, 6.5rem);

  /* sombras en cascada, tintadas de tinta (nunca negro puro sobre crema) */
  --shadow-sm: 0 1px 2px rgba(22, 32, 61, 0.04), 0 2px 6px rgba(22, 32, 61, 0.04);
  --shadow-md: 0 2px 4px rgba(22, 32, 61, 0.05), 0 8px 16px rgba(22, 32, 61, 0.06), 0 16px 32px rgba(22, 32, 61, 0.05);
  --shadow-lg: 0 4px 8px rgba(22, 32, 61, 0.05), 0 12px 24px rgba(22, 32, 61, 0.07), 0 28px 56px rgba(22, 32, 61, 0.08);

  /* kit de UI ilustrada (mockups nativos consistentes) */
  --skel: rgba(22, 32, 61, 0.085);
  --skel-2: rgba(22, 32, 61, 0.06);
  --tile: rgba(22, 32, 61, 0.045);
}

/* ── 2. BASE ─────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: var(--cream);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* grano sutilísimo para tactilidad sobre el crema liso (atmósfera, no ruido) */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.025;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

img { display: block; max-width: 100%; }

/* ── 3. PRIMITIVAS DE LAYOUT ─────────────────────────────────────────────── */
.container {
  max-width: 1120px;
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 5vw, 2rem);
}

.section {
  padding-block: clamp(4rem, 8vw, 7.5rem);
  position: relative;
}

.section--alt { background: var(--cream-deep); }

.section--ink {
  background: var(--ink-band);
  color: var(--cream);
}
.section--ink::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 25% 0%, rgba(37, 99, 235, 0.16), transparent 62%);
  pointer-events: none;
}
.section--ink .container { position: relative; z-index: 1; }

/* layout asimétrico (editorial > centrado simétrico) */
.asym {
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  gap: clamp(2rem, 5vw, 5.5rem);
  align-items: start;
}
.asym--reverse { grid-template-columns: 1.35fr 1fr; }

/* índice de sección como marca de agua (número grande crema-sobre-crema) */
.sec-index {
  position: absolute;
  top: clamp(1.5rem, 4vw, 3rem);
  right: clamp(1rem, 4vw, 3rem);
  font-family: var(--serif);
  font-size: var(--step-4);
  line-height: 1;
  font-weight: 600;
  color: rgba(22, 32, 61, 0.05);
  pointer-events: none;
  z-index: 0;
}
.section--ink .sec-index { color: rgba(247, 245, 240, 0.07); }

/* ── 4. CHROME (nav / footer / botones) ──────────────────────────────────── */
nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  background: rgba(247, 245, 240, 0.82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding-inline: 24px;
}
.nav-inner {
  max-width: 1120px;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.logo-mark {
  width: 34px; height: 34px;
  background: linear-gradient(135deg, var(--blue) 0%, var(--teal) 100%);
  clip-path: polygon(50% 0%, 100% 100%, 0% 100%);
}
.logo-text { font-size: 17px; font-weight: 700; letter-spacing: -.01em; }
.logo-text span { color: var(--blue); }
.nav-links { display: flex; align-items: center; gap: 32px; list-style: none; }
.nav-links a { text-decoration: none; color: var(--muted); font-size: 14px; transition: color .2s; }
.nav-links a:hover { color: var(--ink); }

.btn-nav {
  background: var(--blue); color: #fff;
  font-size: 14px; font-weight: 600;
  padding: 9px 20px; border-radius: 8px;
  text-decoration: none; transition: background .2s, transform .15s;
}
.btn-nav:hover { background: var(--blue-lt); transform: translateY(-1px); }

.btn-primary {
  display: inline-block;
  background: var(--blue); color: #fff;
  font-size: 16px; font-weight: 600;
  padding: 15px 32px; border-radius: 10px;
  text-decoration: none;
  transition: background .2s, transform .15s, box-shadow .2s;
  box-shadow: 0 4px 24px rgba(37, 99, 235, 0.25);
}
.btn-primary:hover { background: var(--blue-lt); transform: translateY(-2px); box-shadow: 0 8px 32px rgba(37, 99, 235, 0.35); }

footer { padding: 40px 24px; border-top: 1px solid var(--border); }
.footer-inner {
  max-width: 1120px; margin-inline: auto;
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px; flex-wrap: wrap;
}
.footer-copy, .footer-tagline { font-size: 13px; color: var(--muted); }
.footer-tagline { text-align: center; }
.footer-tagline span { color: var(--blue); font-weight: 600; }
.footer-links { display: flex; gap: 20px; }
.footer-links a { font-size: 13px; color: var(--muted); text-decoration: none; transition: color .2s; }
.footer-links a:hover { color: var(--ink); }

/* ── 5. BLOQUES REUTILIZABLES ────────────────────────────────────────────── */

/* 5.0 Cabecera de sección (eyebrow línea+label + H2 + subtítulo) */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: var(--step--1);
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.25rem;
}
.eyebrow::before {
  content: '';
  width: 2.5rem; height: 1px;
  background: var(--accent);
}
.section--ink .eyebrow { color: var(--blue-lt); }

.h2 {
  font-family: var(--serif);
  font-size: var(--step-2);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -.02em;
  max-width: 20ch;
  margin-bottom: 1.1rem;
}
.lede {
  font-size: var(--step-1);
  color: var(--muted);
  max-width: 42ch;
  line-height: 1.55;
  font-weight: 400;
}
.section--ink .lede { color: rgba(247, 245, 240, 0.72); }

/* 5.1 Statement grande (hero / problema) — respira con max-width corto */
.statement {
  font-family: var(--serif);
  font-size: var(--step-3);
  font-weight: 600;
  line-height: 1.07;
  letter-spacing: -.02em;
  max-width: 16ch;
}
.prose {
  font-size: var(--step-0);
  color: var(--muted);
  line-height: 1.75;
  max-width: 52ch;
}
.prose strong { color: var(--ink); font-weight: 600; }
.prose + .prose { margin-top: 1.1rem; }

/* 5.2 HERO de servicio */
.svc-hero {
  padding-top: 150px;
  padding-bottom: clamp(3rem, 7vw, 6rem);
  background:
    radial-gradient(ellipse 120% 90% at 12% 0%, #ffffff 0%, var(--cream) 56%);
  position: relative;
  overflow: hidden;
}
/* rejilla "blueprint" sutil de fondo: textura sin imagen */
.svc-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(22, 32, 61, 0.035) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(22, 32, 61, 0.035) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 70% at 20% 10%, #000 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 20% 10%, #000 0%, transparent 70%);
  pointer-events: none;
}
.svc-hero .container { position: relative; z-index: 1; }

.breadcrumb {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; color: var(--muted); margin-bottom: 26px;
}
.breadcrumb a { color: var(--muted); text-decoration: none; transition: color .2s; }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb span { color: rgba(22, 32, 61, 0.30); }

.svc-hero h1 {
  font-family: var(--serif);
  font-size: var(--step-3);
  font-weight: 600;
  line-height: 1.04;
  letter-spacing: -.02em;
  max-width: 18ch;
  margin: 18px 0 26px;
}
.svc-hero h1 .highlight {
  background: linear-gradient(90deg, var(--blue), var(--teal));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.svc-hero .lead {
  font-size: var(--step-1);
  color: var(--ink);
  line-height: 1.55;
  max-width: 40ch;
  margin-bottom: 28px;
  font-weight: 400;
}

/* badge de herramienta / partner */
.tool-badge {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 999px; padding: 8px 18px 8px 8px;
  font-size: 14px; color: var(--muted);
  box-shadow: var(--shadow-sm);
}
.tool-badge b { color: var(--ink); font-weight: 600; }
.tool-badge .chip {
  background: var(--accent-soft); color: var(--accent);
  font-size: 12px; font-weight: 700; letter-spacing: .04em;
  padding: 4px 12px; border-radius: 999px;
}

/* credencial de partner (sello oficial + texto) */
.partner-cred {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 10px 20px 10px 12px;
  box-shadow: var(--shadow-sm);
}
.partner-cred__badge { width: 54px; height: auto; flex-shrink: 0; }
.partner-cred__txt { display: flex; flex-direction: column; line-height: 1.3; }
.partner-cred__txt strong { font-size: 14px; font-weight: 700; color: var(--ink); }
.partner-cred__txt span { font-size: 12.5px; color: var(--muted); }

.tag {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--accent-soft);
  border: 1px solid rgba(37, 99, 235, 0.30);
  color: var(--accent);
  font-size: 12px; font-weight: 600; letter-spacing: .08em;
  text-transform: uppercase; padding: 5px 14px; border-radius: 999px;
}
.tag::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }

/* hero a dos columnas (texto + visual) */
.svc-hero__grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
.svc-hero__media { position: relative; }

/* marco tipo "ventana de app" para enmarcar un screenshot como pieza de producto */
.window {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.window__bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  background: rgba(22, 32, 61, 0.02);
}
.window__bar i { width: 10px; height: 10px; border-radius: 50%; background: var(--border-strong); }
.window img { width: 100%; height: auto; display: block; }

/* 5.3 SÍNTOMAS — lista numerada grande (números serif como gráfico) */
.symptom-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 0;
  margin-top: clamp(2rem, 4vw, 3.5rem);
  border-top: 1px solid var(--border);
}
.symptom {
  display: flex;
  gap: 1.25rem;
  align-items: baseline;
  padding: 1.75rem 1.5rem 1.75rem 0;
  border-bottom: 1px solid var(--border);
}
.symptom__n {
  font-family: var(--serif);
  font-size: var(--step-2);
  font-weight: 600;
  line-height: 1;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  flex-shrink: 0;
  min-width: 1.6ch;
}
.symptom__t { font-size: var(--step-0); color: var(--muted); line-height: 1.55; }
.symptom__t strong { color: var(--ink); font-weight: 600; }

/* 5.4 CARDS de capacidades ("lo que hacemos") */
.do-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-top: clamp(2.25rem, 4vw, 3.5rem);
}
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 30px;
  box-shadow: var(--shadow-sm);
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: rgba(37, 99, 235, 0.28); }
.card--feature {
  grid-column: 1 / -1;
  border-color: rgba(37, 99, 235, 0.28);
  background: linear-gradient(180deg, rgba(37, 99, 235, 0.05), rgba(255, 255, 255, 0)), var(--surface);
  box-shadow: var(--shadow-md);
}
/* fila de 3 capacidades de texto + fila de 2 cards con mockup */
.do-grid-3 { grid-template-columns: repeat(3, 1fr); }
.do-grid + .do-grid { margin-top: 18px; }
.card__icon { line-height: 0; margin-bottom: 16px; }
.card__icon svg { width: 28px; height: 28px; stroke-width: 1.75; }
.card h3 {
  font-family: var(--serif);
  font-size: var(--step-1);
  font-weight: 600;
  letter-spacing: -.01em;
  margin-bottom: 10px;
}
.card p { font-size: var(--step-0); color: var(--muted); line-height: 1.66; }
.card p strong { color: var(--ink); font-weight: 600; }
.pill-ai {
  display: inline-block;
  font-size: 11px; font-weight: 700; letter-spacing: .07em; text-transform: uppercase;
  color: var(--accent); background: var(--accent-soft);
  border-radius: 999px; padding: 3px 11px; margin-bottom: 14px;
}

/* 5.5 INFOGRAFÍA de flujo (Fuentes → Núcleo → Canales) en CSS, no Mermaid */
.flow {
  margin-top: clamp(2.5rem, 4vw, 3.5rem);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(1.75rem, 3vw, 2.75rem);
  box-shadow: var(--shadow-md);
}
.flow__caption { font-size: var(--step-0); color: var(--muted); max-width: 60ch; margin-bottom: 2rem; line-height: 1.65; }
.flow__caption strong { color: var(--ink); font-weight: 600; }
.flow__stage { display: grid; grid-template-columns: 1fr auto 1.1fr auto 1fr; align-items: center; gap: 18px; }
.flow__label { font-size: 11px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin-bottom: 14px; text-align: center; }
.flow__chip {
  background: var(--cream); border: 1px solid var(--border); border-radius: 10px;
  padding: 11px 14px; font-size: 13.5px; font-weight: 500; color: var(--ink);
  margin-bottom: 10px; text-align: center; line-height: 1.35;
}
.flow__chip small { display: block; font-size: 11.5px; font-weight: 400; color: var(--muted); margin-top: 2px; }
.flow__chip--src { border-left: 3px solid var(--blue); }
.flow__chip--out { border-left: 3px solid var(--emerald); }
.flow__core {
  background: linear-gradient(160deg, var(--blue), var(--blue-lt));
  color: #fff; border-radius: 16px; padding: 26px 22px; text-align: center;
  box-shadow: 0 14px 36px rgba(37, 99, 235, 0.32);
}
.flow__core .k { font-size: 11px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; opacity: .85; margin-bottom: 6px; }
.flow__core .t { font-family: var(--serif); font-size: 22px; font-weight: 600; margin-bottom: 8px; }
.flow__core .d { font-size: 12.5px; line-height: 1.5; opacity: .92; }
.flow__arrow { display: flex; align-items: center; justify-content: center; color: var(--blue); }
.flow__arrow svg { width: 30px; height: 30px; stroke-width: 1.75; }

/* callout de entrega */
.deliver {
  margin-top: 2rem; display: flex; gap: 16px; align-items: flex-start;
  background: rgba(16, 185, 129, 0.07); border: 1px solid rgba(16, 185, 129, 0.25);
  border-radius: var(--radius-lg); padding: 24px 28px;
}
.deliver svg { flex-shrink: 0; width: 26px; height: 26px; color: var(--emerald); stroke-width: 2; margin-top: 2px; }
.deliver p { font-size: var(--step-0); color: var(--ink); line-height: 1.6; }
.deliver p strong { font-weight: 700; }

/* 5.6 CASO — sticky imagen + texto, imagen con doble marco editorial */
.case-intro { font-size: var(--step-1); color: var(--muted); line-height: 1.55; max-width: 46ch; margin-bottom: clamp(2rem, 4vw, 3rem); font-weight: 400; }
.case-intro strong { color: var(--ink); font-weight: 600; }

.sticky-case {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}
.sticky-case__media { position: sticky; top: 96px; align-self: start; }
.figure-frame {
  padding: 0.75rem;
  background: var(--surface);
  border-radius: calc(var(--radius-lg) + 0.75rem);
  box-shadow: var(--shadow-lg);
  margin: 0;
}
.figure-frame img { width: 100%; height: auto; border-radius: var(--radius-lg); border: 1px solid var(--border); }
.figure-frame figcaption { font-size: 13px; color: var(--muted); margin-top: 14px; line-height: 1.5; font-style: italic; padding-inline: 0.25rem; }

.case-build h4 { font-family: var(--serif); font-size: var(--step-1); font-weight: 600; margin-bottom: 18px; }
.case-list { list-style: none; display: flex; flex-direction: column; gap: 16px; }
.case-list li { position: relative; padding-left: 28px; font-size: var(--step-0); color: var(--muted); line-height: 1.6; }
.case-list li::before { content: ''; position: absolute; left: 4px; top: 9px; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
.case-list li strong { color: var(--ink); font-weight: 600; }

/* mockup CSS nativo de conectores activos (limpio, sin datos internos) */
.conn-mock {
  margin-top: 2rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}
.conn-mock__head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px; border-bottom: 1px solid var(--border);
  font-size: 13px; font-weight: 600; color: var(--muted);
  letter-spacing: .02em;
}
.conn-mock__count { color: var(--accent); }
.conn-row {
  display: flex; align-items: center; gap: 14px;
  padding: 13px 20px; border-bottom: 1px solid var(--border);
}
.conn-row:last-child { border-bottom: 0; }
.conn-row__ico {
  width: 32px; height: 32px; border-radius: 9px; flex-shrink: 0;
  display: grid; place-items: center;
  background: var(--accent-soft); color: var(--accent);
}
.conn-row__ico svg { width: 17px; height: 17px; stroke-width: 2; }
.conn-row__name { flex: 1; font-size: 14.5px; font-weight: 500; color: var(--ink); }
.conn-row__status { display: inline-flex; align-items: center; gap: 7px; font-size: 12px; font-weight: 600; color: var(--emerald); }
.conn-row__status::before {
  content: ''; width: 7px; height: 7px; border-radius: 50%;
  background: var(--emerald); box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.16);
}

/* sub-etiqueta del caso (Reto / Solución / Resultado) — estructura escaneable */
.case-kicker {
  font-size: var(--step--1);
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: .9rem;
}
.case-kicker.mt { margin-top: clamp(2.5rem, 4vw, 3.5rem); }
.case-kicker.mt + .stats { margin-top: 0; }

/* pull-quote (cita real de cliente) — se rellena cuando llegue la cita de Imprex */
.pullquote {
  margin: clamp(2.5rem, 5vw, 4rem) 0;
  border-left: 3px solid var(--accent);
  padding: .25rem 0 .25rem 1.75rem;
  max-width: 60ch;
}
.pullquote p {
  font-family: var(--serif);
  font-size: var(--step-1);
  font-weight: 500;
  line-height: 1.42;
  color: var(--ink);
  letter-spacing: -.01em;
}
.pullquote cite {
  display: block; margin-top: 1rem;
  font-family: var(--sans); font-style: normal;
  font-size: 14px; font-weight: 600; color: var(--muted);
}

/* 5.7 STAT cards editoriales (divisor de 1px, número serif gigante) */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-top: clamp(2.5rem, 4vw, 3.5rem);
}
.stat { background: var(--cream); padding: 30px 26px; }
.section--alt .stat { background: var(--cream-deep); }
.stat__num {
  font-family: var(--serif);
  font-size: var(--step-2);
  font-weight: 700;
  letter-spacing: -.02em;
  line-height: 1;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}
.stat__num em { color: var(--accent); font-style: normal; }
.stat__label { margin-top: 12px; font-size: 14px; color: var(--muted); line-height: 1.5; }

/* 5.8 TIMELINE numerada ("cómo arrancamos") */
.timeline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.5rem, 4vw, 2.5rem);
  margin-top: clamp(2.5rem, 4vw, 3.5rem);
  counter-reset: step;
}
.tl-step { position: relative; padding-top: 2.75rem; }
.tl-step::before {
  counter-increment: step;
  content: '/' counter(step, decimal-leading-zero);
  position: absolute; top: 0; left: 0;
  font-family: var(--serif); font-size: var(--step-1); font-weight: 700;
  color: var(--accent); font-variant-numeric: tabular-nums;
}
/* línea conectora entre pasos */
.tl-step:not(:last-child)::after {
  content: ''; position: absolute; top: 0.95rem; left: 3.5rem; right: -1.25rem;
  height: 1px; background: var(--border-strong);
}
.tl-step h4 { font-family: var(--serif); font-size: var(--step-1); font-weight: 600; margin-bottom: 10px; }
.tl-step p { font-size: var(--step-0); color: var(--muted); line-height: 1.65; }
.start-note { margin-top: clamp(2rem, 4vw, 2.75rem); font-size: var(--step-1); color: var(--ink); line-height: 1.55; max-width: 46ch; font-weight: 400; }
.start-note strong { font-weight: 700; }

/* 5.9 CADENA DE VALOR (sobre banda oscura) — eslabones, los bloqueados sin link */
.chain {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: stretch;
  gap: 14px;
  margin-top: clamp(2.5rem, 4vw, 3.5rem);
}
.chain-node {
  border-radius: var(--radius-lg);
  padding: 30px 28px;
  border: 1px solid rgba(247, 245, 240, 0.14);
  background: rgba(247, 245, 240, 0.04);
}
.chain-node.here {
  border-color: var(--blue-lt);
  background: linear-gradient(170deg, rgba(59, 130, 246, 0.18), rgba(247, 245, 240, 0.02));
  box-shadow: 0 12px 40px rgba(37, 99, 235, 0.25);
}
.chain-node.soon { opacity: .72; border-style: dashed; cursor: default; }
.chain-step { font-size: 11px; font-weight: 700; letter-spacing: .10em; text-transform: uppercase; color: rgba(247, 245, 240, 0.55); margin-bottom: 10px; }
.chain-node.here .chain-step { color: var(--blue-lt); }
.chain-node h4 { font-family: var(--serif); font-size: var(--step-1); font-weight: 600; margin-bottom: 8px; color: var(--cream); }
.chain-node p { font-size: 14px; color: rgba(247, 245, 240, 0.68); line-height: 1.6; }
.chain-pill {
  display: inline-block; font-size: 10.5px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
  border-radius: 999px; padding: 3px 10px; margin-bottom: 12px;
}
.chain-pill.now { color: #fff; background: var(--blue); }
.chain-pill.later { color: rgba(247, 245, 240, 0.7); background: rgba(247, 245, 240, 0.10); }
.chain-arrow { display: flex; align-items: center; justify-content: center; color: rgba(247, 245, 240, 0.35); }
.chain-arrow svg { width: 26px; height: 26px; stroke-width: 1.75; }
.chain-foot { margin-top: clamp(2rem, 4vw, 2.5rem); font-size: var(--step-1); color: rgba(247, 245, 240, 0.78); line-height: 1.55; max-width: 52ch; font-weight: 400; }
.chain-foot strong { color: var(--cream); font-weight: 600; }

/* 5.10 CTA de cierre */
.cta-box {
  max-width: 880px; margin-inline: auto;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 24px; padding: clamp(2.5rem, 5vw, 4rem);
  text-align: center; position: relative; overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.cta-box::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse 90% 70% at 50% 0%, var(--accent-soft), transparent 70%);
  pointer-events: none;
}
.cta-box h2 { font-family: var(--serif); font-size: var(--step-2); font-weight: 600; letter-spacing: -.01em; line-height: 1.12; margin-bottom: 18px; position: relative; }
.cta-box p { font-size: var(--step-0); color: var(--muted); max-width: 52ch; margin: 0 auto 34px; position: relative; }
.cta-mail { display: block; margin-top: 18px; font-size: 14px; color: var(--muted); position: relative; }
.cta-mail a { color: var(--accent); text-decoration: none; }

/* ── 5.11 KIT DE UI ILUSTRADA ────────────────────────────────────────────────
   Lenguaje visual ÚNICO para todos los mockups nativos de la web (catálogo,
   canales, ficha…). Misma "chrome", mismos colores, mismos skeletons. */
.ui {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow-md);
  overflow: hidden;
}
.ui__head {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 18px; border-bottom: 1px solid var(--border);
}
.ui__logo { width: 22px; height: 22px; border-radius: 6px; flex-shrink: 0; background: linear-gradient(135deg, var(--blue), var(--teal)); }
.ui__title { font-size: 14px; font-weight: 700; letter-spacing: -.01em; color: var(--ink); }
.ui__sub { margin-left: auto; font-size: 11px; color: var(--muted); }

/* skeletons (texto/dato simulado) */
.skel { display: block; height: 9px; border-radius: 5px; background: var(--skel); }
.skel--xs { width: 30%; } .skel--sm { width: 45%; } .skel--md { width: 65%; } .skel--lg { width: 85%; }

/* casillas y barras */
.ui-check { width: 16px; height: 16px; border-radius: 4px; border: 1.5px solid var(--border-strong); position: relative; }
.ui-check.on { background: var(--blue); border-color: var(--blue); }
.ui-check.on::after { content: ''; position: absolute; left: 5px; top: 2px; width: 4px; height: 8px; border: solid #fff; border-width: 0 2px 2px 0; transform: rotate(45deg); }
.ui-thumb { width: 40px; height: 40px; border-radius: 8px; background: var(--tile); border: 1px solid var(--border); display: grid; place-items: center; color: var(--muted); }
.ui-thumb svg { width: 20px; height: 20px; stroke-width: 1.75; }
.ui-bar { height: 10px; border-radius: 6px; background: var(--skel); overflow: hidden; }
.ui-bar__fill { height: 100%; border-radius: 6px; background: var(--emerald); }
.ui-bar__fill.amber { background: var(--amber); }

/* tabla de catálogo (hero) */
.ui-cat__row {
  display: grid; grid-template-columns: 18px 40px 1fr 88px;
  gap: 14px; align-items: center;
  padding: 12px 18px; border-bottom: 1px solid var(--border);
}
.ui-cat__row:last-child { border-bottom: 0; }
.ui-cat__row .nm { display: flex; flex-direction: column; gap: 6px; }
.ui-cat__head { background: rgba(22, 32, 61, 0.02); padding-block: 9px; }
.ui-cat__head span { font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }

/* rejilla de canales (card "Conectores de salida") */
.ui-ch { padding: 16px; }
.ui-ch__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.ch-chip {
  display: flex; flex-direction: column; align-items: center; gap: 7px;
  padding: 14px 8px; border-radius: 10px;
  background: var(--cream); border: 1px solid var(--border);
  font-size: 11px; font-weight: 600; color: var(--muted); text-align: center; line-height: 1.2;
}
.ch-chip svg { width: 20px; height: 20px; stroke-width: 1.75; color: var(--accent); }

/* ficha de producto validada (card "Activos digitales ordenados") */
.ui-pf { padding: 16px; display: grid; grid-template-columns: 84px 1fr; gap: 16px; align-items: center; }
.ui-pf__img { position: relative; aspect-ratio: 1; border-radius: 10px; background: var(--tile); border: 1px solid var(--border); display: grid; place-items: center; color: var(--muted); }
.ui-pf__img svg { width: 30px; height: 30px; stroke-width: 1.5; }
.ui-pf__badge { position: absolute; top: -8px; right: -8px; width: 24px; height: 24px; border-radius: 50%; background: var(--emerald); display: grid; place-items: center; box-shadow: 0 2px 8px rgba(16, 185, 129, 0.4); }
.ui-pf__badge svg { width: 14px; height: 14px; color: #fff; stroke-width: 3; }
.ui-pf__attrs { display: flex; flex-direction: column; gap: 0; }
.ui-pf__attr { display: flex; align-items: center; gap: 8px; padding: 7px 0; border-bottom: 1px solid var(--border); font-size: 12.5px; }
.ui-pf__attr:last-child { border-bottom: 0; }
.ui-pf__attr .k { color: var(--muted); }
.ui-pf__attr .v { color: var(--ink); font-weight: 600; margin-left: auto; }
.ui-pf__attr .ok { width: 15px; height: 15px; color: var(--emerald); flex-shrink: 0; }

/* variante de card que lidera con un mockup en vez de icono */
.card--visual .card__mock { margin-bottom: 20px; }

/* 5.12 VÉRTICES CONECTADOS (Datos · Branding · Comunicación) — no secuencial */
.vertices { position: relative; max-width: 720px; margin: clamp(2.5rem, 5vw, 3.5rem) auto 0; }
.vx-stage { position: relative; min-height: 360px; }
.vx-edges { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; overflow: visible; }
.vx-node {
  position: absolute; width: 250px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(247, 245, 240, 0.16);
  background: rgba(247, 245, 240, 0.05);
  padding: 22px 24px;
}
.vx-node h4 { font-family: var(--serif); font-size: var(--step-1); font-weight: 600; color: var(--cream); margin-bottom: 6px; }
.vx-node p { font-size: 13.5px; line-height: 1.55; color: rgba(247, 245, 240, 0.7); }
.vx-node--top { top: 0; left: 50%; transform: translateX(-50%); }
.vx-node--left { bottom: 0; left: 0; }
.vx-node--right { bottom: 0; right: 0; }
.vx-node.is-here {
  border-color: var(--blue-lt);
  background: linear-gradient(170deg, rgba(59, 130, 246, 0.20), rgba(247, 245, 240, 0.02));
  box-shadow: 0 12px 40px rgba(37, 99, 235, 0.25);
}
.vx-pill { display: inline-block; font-size: 10.5px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: #fff; background: var(--blue); border-radius: 999px; padding: 3px 10px; margin-bottom: 10px; }
@media (max-width: 768px) {
  .vx-stage { min-height: 0; display: flex; flex-direction: column; gap: 14px; }
  .vx-node { position: static; width: 100%; transform: none; }
  .vx-edges { display: none; }
}

/* ── 6. UTILIDADES ───────────────────────────────────────────────────────── */
.ico-blue { color: var(--blue); }
.ico-teal { color: var(--teal); }
.ico-emerald { color: var(--emerald); }
.ico-amber { color: var(--amber); }
.ico-blue-lt { color: var(--blue-lt); }

/* reveal escalonado — mejora progresiva: VISIBLE por defecto; solo se oculta
   cuando el JS marca <html class="js"> (si el JS falla, el contenido se ve igual). */
.reveal { transition: opacity .7s ease, transform .7s ease; transition-delay: calc(var(--i, 0) * 80ms); }
.js .reveal:not(.is-visible) { opacity: 0; transform: translateY(22px); }
@media (prefers-reduced-motion: reduce) {
  .js .reveal:not(.is-visible) { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ── 7. RESPONSIVE ───────────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .asym, .asym--reverse, .svc-hero__grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .svc-hero__media { margin-top: 0.5rem; }
  .do-grid { grid-template-columns: 1fr; }
  .sticky-case { grid-template-columns: 1fr; }
  .sticky-case__media { position: static; }
  .timeline { grid-template-columns: 1fr; }
  .tl-step { padding-top: 2.5rem; }
  .tl-step:not(:last-child)::after { display: none; }
  .flow__stage, .chain { grid-template-columns: 1fr; }
  .flow__arrow svg, .chain-arrow svg { transform: rotate(90deg); }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .svc-hero { padding-top: 120px; }
}
