/* ==========================================================================
   TandyWeb — Hoja de estilos pública
   --------------------------------------------------------------------------
   Identidad corporativa premium minimalista.
   Paleta:   Lila (acento)  ·  Petróleo (contraste)  ·  Gris Oxford (texto)
   Sistema:  CSS puro + variables nativas + BEM. Sin frameworks.
   Modo:     Claro por defecto, oscuro opcional vía data-tema en <html>.
   ========================================================================== */

/* --- Reset moderno -------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html, body { height: 100%; }
body {
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.55;
}
img, picture, svg, video { display: block; max-width: 100%; }
button { font: inherit; cursor: pointer; }
a { color: inherit; }

/* ==========================================================================
   Variables — Sistema de diseño TandyWeb
   ========================================================================== */
:root {
  /* ---- Marca (paleta corporativa) ---- */
  --color-lila:           #7C5CFF;   /* Acento primario · CTA · iconos */
  --color-lila-h:         #6747F5;   /* Hover lila */
  --color-lila-suave:     #F1EDFE;   /* Tinte de fondo */
  --color-lila-borde:     #E0D7FB;   /* Borde sutil del tinte */
  --color-lila-2:         #A78BFA;   /* Acento secundario más claro */

  --color-petroleo:       #163E50;   /* Azul petróleo (footer / contraste) */
  --color-petroleo-h:     #102E3C;
  --color-petroleo-claro: #2E5A6B;

  --color-oxford:         #1A2434;   /* Gris Oxford (texto principal) */
  --color-oxford-suave:   #5A6B82;   /* Texto secundario */

  /* ---- Alias semánticos (compatibilidad con el resto del proyecto) ---- */
  --color-primario:       var(--color-lila);
  --color-primario-h:     var(--color-lila-h);
  --color-acento:         var(--color-petroleo);

  --color-exito: #16a34a;
  --color-error: #dc2626;
  --color-aviso: #d97706;

  /* ---- Superficies ---- */
  --bg:          #F8F7FB;            /* Fondo con tinte lila ultra-sutil */
  --bg-elevado:  #FFFFFF;
  --bg-tinte:    #F1EDFE;            /* Sección de tinte lila */
  --bg-petroleo: var(--color-petroleo);

  --texto:       var(--color-oxford);
  --texto-suave: var(--color-oxford-suave);
  --texto-tenue: #8895AD;

  --borde:       #E5E7EE;
  --borde-fuerte:#D2D7E0;

  --sombra-xs:   0 2px 8px rgba(22, 62, 80, .04);
  --sombra:      0 8px 28px rgba(22, 62, 80, .07);
  --sombra-md:   0 14px 40px rgba(22, 62, 80, .10);
  --sombra-lila: 0 14px 36px rgba(124, 92, 255, .22);

  /* ---- Geometría ---- */
  --radio:       16px;
  --radio-sm:    10px;
  --radio-lg:    24px;
  --radio-pill:  999px;
  --transicion:  220ms cubic-bezier(.16, 1, .3, 1);

  --max-ancho:   1200px;
  --espacio:     1rem;
}

/* ==========================================================================
   Modo oscuro — Petróleo profundo + lila vibrante
   ========================================================================== */
html[data-tema="oscuro"] {
  --bg:          #0E1A24;
  --bg-elevado:  #142634;
  --bg-tinte:    #1A2F3F;
  --texto:       #F1F5F9;
  --texto-suave: #94A3B8;
  --texto-tenue: #64748B;
  --borde:       #1F3445;
  --borde-fuerte:#2A4356;
  --sombra-xs:   0 2px 8px rgba(0, 0, 0, .25);
  --sombra:      0 8px 28px rgba(0, 0, 0, .35);
  --sombra-md:   0 14px 40px rgba(0, 0, 0, .45);
}
@media (prefers-color-scheme: dark) {
  html[data-tema="auto"] {
    --bg:          #0E1A24;
    --bg-elevado:  #142634;
    --bg-tinte:    #1A2F3F;
    --texto:       #F1F5F9;
    --texto-suave: #94A3B8;
    --texto-tenue: #64748B;
    --borde:       #1F3445;
    --borde-fuerte:#2A4356;
    --sombra-xs:   0 2px 8px rgba(0, 0, 0, .25);
    --sombra:      0 8px 28px rgba(0, 0, 0, .35);
    --sombra-md:   0 14px 40px rgba(0, 0, 0, .45);
  }
}

body {
  background: var(--bg);
  color: var(--texto);
  transition: background var(--transicion), color var(--transicion);
}

/* --- Layout helpers ------------------------------------------------------- */
.contenedor {
  width: 100%;
  max-width: var(--max-ancho);
  margin-inline: auto;
  padding-inline: 1.25rem;
}

/* ==========================================================================
   Topbar — Franja de contacto sobre el header
   ========================================================================== */
.topbar {
  background: var(--color-petroleo);
  color: rgba(255,255,255,.92);
  font-size: .82rem;
  border-bottom: 1px solid color-mix(in srgb, #000 25%, var(--color-petroleo));
}
.topbar__inner {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 38px; gap: 1rem; flex-wrap: wrap;
  padding-block: .35rem;
}
.topbar__lema {
  display: inline-flex; align-items: center; gap: .5rem;
  color: rgba(255,255,255,.78);
  font-weight: 500; letter-spacing: .01em;
}
.topbar__lema-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--color-lila-2);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--color-lila-2) 25%, transparent);
}
.topbar__contacto {
  display: inline-flex; align-items: center; gap: 1.25rem;
  flex-wrap: wrap;
}
.topbar__item {
  display: inline-flex; align-items: center; gap: .4rem;
  color: rgba(255,255,255,.92);
  text-decoration: none; font-weight: 500;
  transition: color var(--transicion);
}
.topbar__item:hover { color: #fff; }
.topbar__item svg { width: 14px; height: 14px; opacity: .85; }
@media (max-width: 640px) {
  .topbar__lema { display: none; }
  .topbar__inner { justify-content: center; }
}

/* ==========================================================================
   Encabezado (sticky)
   ========================================================================== */
.encabezado {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg-elevado) 92%, transparent);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--borde);
}
.encabezado__inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px; gap: 1rem;
}
.logo {
  font-weight: 800; font-size: 1.3rem; text-decoration: none;
  letter-spacing: -.025em;
  display: inline-flex; align-items: baseline; gap: .15rem;
}
.logo__marca   { color: var(--color-lila); }
.logo__sufijo  { color: var(--texto); }
.logo:hover .logo__marca { color: var(--color-lila-h); }

.nav-publico {
  display: none;
  align-items: center; gap: 2rem;
}
.nav-publico__link {
  text-decoration: none; color: var(--texto-suave); font-weight: 500;
  font-size: .94rem; letter-spacing: -.005em;
  position: relative; padding-block: .5rem;
  transition: color var(--transicion);
}
.nav-publico__link::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0;
  height: 2px; border-radius: 2px;
  background: var(--color-lila);
  transform: scaleX(0); transform-origin: center;
  transition: transform var(--transicion);
}
.nav-publico__link:hover { color: var(--texto); }
.nav-publico__link:hover::after { transform: scaleX(1); }

/* Botón explícito "Iniciar sesión" en desktop (no usa subrayado animado de los links) */
.nav-publico__btn-login {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: .5rem 1rem;
  border-radius: var(--radio-sm);
  font-weight: 600;
  font-size: .88rem;
  text-decoration: none;
  color: var(--texto);
  border: 1.5px solid var(--borde-fuerte);
  background: transparent;
  transition: color var(--transicion), border-color var(--transicion), background var(--transicion), transform var(--transicion);
}
.nav-publico__btn-login:hover {
  color: var(--color-lila);
  border-color: var(--color-lila);
  background: var(--bg-elevado);
  transform: translateY(-1px);
}

.boton-tema {
  border: 1px solid var(--borde); background: var(--bg-elevado);
  color: var(--texto); width: 40px; height: 40px; border-radius: 999px;
  display: inline-flex; align-items: center; justify-content: center;
  transition: transform var(--transicion), background var(--transicion), border-color var(--transicion);
}
.boton-tema:hover { transform: rotate(20deg); background: var(--bg); border-color: var(--color-lila); }

@media (min-width: 820px) {
  .nav-publico { display: inline-flex; }
}

/* ==========================================================================
   Botones
   ========================================================================== */
.boton {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .7rem 1.25rem; border-radius: var(--radio-sm);
  font-weight: 600; font-size: .94rem; text-decoration: none;
  border: 1.5px solid transparent;
  transition: transform var(--transicion), background var(--transicion), color var(--transicion), border-color var(--transicion), box-shadow var(--transicion);
  white-space: nowrap;
}
.boton:hover { transform: translateY(-1px); }
.boton svg { width: 16px; height: 16px; }

.boton--primario {
  background: var(--color-lila); color: #fff;
  box-shadow: 0 8px 20px rgba(124, 92, 255, .28);
}
.boton--primario:hover {
  background: var(--color-lila-h);
  box-shadow: var(--sombra-lila);
}
.boton--fantasma {
  background: transparent; color: var(--texto); border-color: var(--borde-fuerte);
}
.boton--fantasma:hover {
  background: var(--bg-elevado);
  border-color: var(--color-lila);
  color: var(--color-lila);
}
.boton--petroleo {
  background: var(--color-petroleo); color: #fff;
}
.boton--petroleo:hover { background: var(--color-petroleo-h); }
.boton--blanco {
  background: #fff; color: var(--color-petroleo);
}
.boton--blanco:hover { background: var(--color-lila-suave); color: var(--color-lila-h); }

.boton--grande { padding: 1rem 1.6rem; font-size: 1rem; border-radius: 12px; }

/* ==========================================================================
   Hero — Limpio, espacioso, decoración blob lila sutil
   ========================================================================== */
.principal { padding-block: clamp(2.5rem, 6vw, 5rem); }

.hero {
  position: relative; overflow: hidden;
}
.hero::before, .hero::after {
  content: ""; position: absolute; pointer-events: none;
  border-radius: 50%; filter: blur(80px); opacity: .55; z-index: 0;
}
.hero::before {
  width: 420px; height: 420px;
  background: radial-gradient(circle, var(--color-lila) 0%, transparent 70%);
  top: -120px; left: -120px;
}
.hero::after {
  width: 380px; height: 380px;
  background: radial-gradient(circle, var(--color-lila-2) 0%, transparent 70%);
  bottom: -160px; right: -100px;
  opacity: .35;
}
html[data-tema="oscuro"] .hero::before,
html[data-tema="oscuro"] .hero::after { opacity: .25; }

.hero__inner {
  text-align: center;
  display: flex; flex-direction: column; align-items: center;
  gap: 1.25rem;
  position: relative; z-index: 1;
  padding-block: clamp(1.5rem, 4vw, 3rem);
}

.badge {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .4rem .9rem;
  background: var(--color-lila-suave);
  color: var(--color-lila-h);
  border: 1px solid var(--color-lila-borde);
  border-radius: 999px;
  font-size: .76rem; font-weight: 700;
  letter-spacing: .08em; text-transform: uppercase;
}
.badge__dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--color-lila);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--color-lila) 18%, transparent);
}
html[data-tema="oscuro"] .badge {
  background: color-mix(in srgb, var(--color-lila) 18%, transparent);
  color: var(--color-lila-2);
  border-color: color-mix(in srgb, var(--color-lila) 32%, transparent);
}

.hero__titulo {
  font-size: clamp(2.2rem, 5.5vw, 3.8rem);
  line-height: 1.05; letter-spacing: -.03em;
  font-weight: 800; max-width: 22ch;
  color: var(--texto);
}
.hero__titulo-acento {
  background: linear-gradient(120deg, var(--color-lila) 0%, var(--color-lila-2) 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.hero__subtitulo {
  font-size: clamp(1.05rem, 1.9vw, 1.25rem);
  color: var(--texto-suave); max-width: 58ch;
  line-height: 1.6;
}
.hero__subtitulo strong {
  color: var(--texto); font-weight: 700;
}
.hero__acciones {
  display: flex; gap: .75rem; flex-wrap: wrap; justify-content: center;
  margin-block: .75rem 1rem;
}

.hero__pruebas {
  display: inline-flex; align-items: center; gap: 1.25rem;
  margin-top: .5rem;
  color: var(--texto-tenue); font-size: .85rem;
  flex-wrap: wrap; justify-content: center;
}
.hero__prueba {
  display: inline-flex; align-items: center; gap: .4rem;
}
.hero__prueba svg { width: 16px; height: 16px; color: var(--color-exito); }

/* ==========================================================================
   Estado de la Fundación — Colapsado, discreto, mantiene toda la lógica
   ========================================================================== */
.estado-fundacion {
  margin-top: 2rem; width: 100%; max-width: 560px;
  background: var(--bg-elevado); border: 1px solid var(--borde);
  border-radius: var(--radio); padding: 0;
  box-shadow: var(--sombra-xs); text-align: left;
  overflow: hidden;
}
.estado-fundacion__resumen {
  list-style: none;
  cursor: pointer;
  padding: .9rem 1.1rem;
  display: flex; align-items: center; gap: .65rem;
  font-size: .85rem; font-weight: 600;
  color: var(--texto-suave);
  transition: background var(--transicion);
}
.estado-fundacion__resumen::-webkit-details-marker { display: none; }
.estado-fundacion__resumen:hover { background: var(--bg); }
.estado-fundacion__pill-mini {
  display: inline-flex; align-items: center; gap: .35rem;
  background: color-mix(in srgb, var(--color-exito) 14%, transparent);
  color: var(--color-exito);
  padding: .15rem .55rem; border-radius: 999px;
  font-size: .7rem; font-weight: 800; letter-spacing: .05em; text-transform: uppercase;
}
.estado-fundacion__pill-mini--err {
  background: color-mix(in srgb, var(--color-error) 14%, transparent);
  color: var(--color-error);
}
.estado-fundacion__caret {
  margin-left: auto; transition: transform var(--transicion);
  color: var(--texto-tenue);
}
.estado-fundacion[open] .estado-fundacion__caret { transform: rotate(90deg); }

.estado-fundacion__titulo {
  font-size: .82rem; font-weight: 700;
  color: var(--texto-suave);
  text-transform: uppercase; letter-spacing: .05em;
  padding: 1rem 1.1rem .25rem;
  border-top: 1px solid var(--borde);
}
.estado-fundacion__lista {
  list-style: none; padding: .5rem 1.1rem 1.1rem; display: grid; gap: .4rem;
}
.estado-item {
  display: flex; align-items: center; gap: .75rem;
  padding: .55rem .75rem; border-radius: var(--radio-sm);
  background: color-mix(in srgb, var(--bg) 60%, transparent);
  font-size: .88rem;
}
.estado-item__pill {
  display: inline-block; min-width: 36px; text-align: center;
  padding: .15rem .4rem; border-radius: 999px;
  font-size: .68rem; font-weight: 800; letter-spacing: .05em;
}
.estado-item--ok    .estado-item__pill { background: color-mix(in srgb, var(--color-exito) 18%, transparent); color: var(--color-exito); }
.estado-item--error .estado-item__pill { background: color-mix(in srgb, var(--color-error) 18%, transparent); color: var(--color-error); }
.estado-item__detalle { display: block; font-size: .78rem; color: var(--texto-suave); margin-top: .15rem; }

/* ==========================================================================
   Sección genérica
   ========================================================================== */
.seccion {
  padding-block: clamp(3rem, 6vw, 5rem);
}
.seccion--tinte {
  background: var(--bg-tinte);
}
.seccion--petroleo {
  background: var(--color-petroleo);
  color: #fff;
}
.seccion__head {
  text-align: center; max-width: 56ch; margin: 0 auto 2.5rem;
}
.seccion__eyebrow {
  display: inline-block;
  font-size: .78rem; font-weight: 700; letter-spacing: .12em;
  text-transform: uppercase; color: var(--color-lila);
  margin-bottom: .55rem;
}
.seccion--petroleo .seccion__eyebrow { color: var(--color-lila-2); }
.seccion__titulo {
  font-size: clamp(1.7rem, 3.2vw, 2.4rem);
  letter-spacing: -.025em; font-weight: 800;
  line-height: 1.15; margin-bottom: .65rem;
}
.seccion__subtitulo {
  color: var(--texto-suave); font-size: 1rem;
  line-height: 1.6;
}
.seccion--petroleo .seccion__subtitulo { color: rgba(255,255,255,.78); }

/* ==========================================================================
   Nichos — Tarjetas premium con icono
   ========================================================================== */
.nichos__grid {
  display: grid; gap: 1.25rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
.tarjeta-nicho {
  position: relative;
  background: var(--bg-elevado); border: 1px solid var(--borde);
  border-radius: var(--radio); padding: 1.75rem 1.5rem 1.5rem;
  box-shadow: var(--sombra-xs);
  transition: transform var(--transicion), border-color var(--transicion), box-shadow var(--transicion);
  overflow: hidden;
}
.tarjeta-nicho::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-lila) 0%, var(--color-lila-2) 100%);
  transform: scaleX(0); transform-origin: left;
  transition: transform var(--transicion);
}
.tarjeta-nicho:hover {
  transform: translateY(-4px);
  border-color: var(--color-lila-borde);
  box-shadow: var(--sombra-md);
}
.tarjeta-nicho:hover::before { transform: scaleX(1); }
.tarjeta-nicho__icono {
  width: 48px; height: 48px; border-radius: 12px;
  background: var(--color-lila-suave);
  color: var(--color-lila-h);
  display: grid; place-items: center;
  margin-bottom: 1.1rem;
}
.tarjeta-nicho__icono svg { width: 22px; height: 22px; }
.tarjeta-nicho h3 {
  font-size: 1.15rem; font-weight: 700;
  letter-spacing: -.015em; margin-bottom: .45rem;
}
.tarjeta-nicho p {
  color: var(--texto-suave); font-size: .94rem; line-height: 1.6;
}
html[data-tema="oscuro"] .tarjeta-nicho__icono {
  background: color-mix(in srgb, var(--color-lila) 18%, transparent);
  color: var(--color-lila-2);
}

/* ==========================================================================
   Proceso (¿Cómo funciona?) — 3 pasos numerados
   ========================================================================== */
.proceso__grid {
  display: grid; gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  counter-reset: paso;
}
.proceso__paso {
  position: relative;
  padding: 1.75rem 1.4rem 1.4rem;
  background: var(--bg-elevado);
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  counter-increment: paso;
}
.proceso__numero {
  position: absolute; top: -18px; left: 1.25rem;
  width: 38px; height: 38px; border-radius: 12px;
  background: linear-gradient(135deg, var(--color-lila) 0%, var(--color-lila-h) 100%);
  color: #fff;
  display: grid; place-items: center;
  font-weight: 800; font-size: 1rem;
  box-shadow: var(--sombra-lila);
}
.proceso__numero::before { content: "0" counter(paso); }
.proceso__titulo {
  font-size: 1.1rem; font-weight: 700; letter-spacing: -.015em;
  margin: .4rem 0 .35rem;
}
.proceso__desc { color: var(--texto-suave); font-size: .92rem; line-height: 1.6; }

/* ==========================================================================
   Sección de contacto / CTA final (petróleo)
   ========================================================================== */
.contacto-cta {
  border-radius: var(--radio-lg);
  padding: clamp(2rem, 5vw, 3.5rem);
  background:
    radial-gradient(circle at 0% 0%, color-mix(in srgb, var(--color-lila) 25%, transparent) 0%, transparent 60%),
    radial-gradient(circle at 100% 100%, color-mix(in srgb, var(--color-lila-2) 18%, transparent) 0%, transparent 60%),
    var(--color-petroleo);
  color: #fff;
  text-align: center;
  box-shadow: var(--sombra-md);
}
.contacto-cta__titulo {
  font-size: clamp(1.6rem, 3.2vw, 2.3rem);
  font-weight: 800; letter-spacing: -.025em; line-height: 1.2;
  margin-bottom: .65rem;
}
.contacto-cta__sub {
  color: rgba(255,255,255,.8);
  max-width: 52ch; margin: 0 auto 2rem;
  font-size: 1rem; line-height: 1.6;
}
.contacto-cta__acciones {
  display: flex; gap: .75rem; flex-wrap: wrap; justify-content: center;
  margin-bottom: 2rem;
}
.contacto-cta__directos {
  display: inline-flex; gap: 2rem; flex-wrap: wrap; justify-content: center;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,.12);
}
.contacto-cta__dato {
  display: inline-flex; align-items: center; gap: .55rem;
  color: rgba(255,255,255,.92); font-weight: 500;
  text-decoration: none;
  transition: color var(--transicion);
}
.contacto-cta__dato:hover { color: #fff; }
.contacto-cta__dato-icono {
  width: 36px; height: 36px; border-radius: 10px;
  display: grid; place-items: center;
  background: rgba(255,255,255,.08);
  color: var(--color-lila-2);
  flex-shrink: 0;
}
.contacto-cta__dato-icono svg { width: 18px; height: 18px; }
.contacto-cta__dato-cuerpo { display: flex; flex-direction: column; align-items: flex-start; line-height: 1.2; }
.contacto-cta__dato-label { font-size: .72rem; color: rgba(255,255,255,.6); letter-spacing: .08em; text-transform: uppercase; font-weight: 700; }
.contacto-cta__dato-valor { font-size: .98rem; font-weight: 600; }

/* ==========================================================================
   Footer rediseñado (petróleo, multi-columna)
   ========================================================================== */
.pie {
  margin-top: clamp(3rem, 6vw, 5rem);
  padding-block: 3rem 1.5rem;
  background: var(--color-petroleo);
  color: rgba(255,255,255,.85);
  border-top: none;
}
.pie__inner {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1.2fr repeat(3, 1fr);
  margin-bottom: 2.5rem;
}
.pie__col { min-width: 0; }
.pie__marca {
  display: inline-flex; align-items: baseline; gap: .15rem;
  font-weight: 800; font-size: 1.3rem; letter-spacing: -.025em;
  margin-bottom: .75rem; color: #fff;
}
.pie__marca-acento { color: var(--color-lila-2); }
.pie__claim {
  font-size: .9rem; color: rgba(255,255,255,.65); line-height: 1.55;
  max-width: 32ch;
}
.pie__titulo {
  font-size: .76rem; font-weight: 800; letter-spacing: .12em;
  text-transform: uppercase; color: rgba(255,255,255,.6);
  margin-bottom: 1rem;
}
.pie__lista { list-style: none; padding: 0; display: flex; flex-direction: column; gap: .6rem; }
.pie__lista a {
  color: rgba(255,255,255,.85); text-decoration: none;
  font-size: .92rem;
  transition: color var(--transicion), padding-left var(--transicion);
}
.pie__lista a:hover { color: #fff; padding-left: .25rem; }
.pie__lista--contacto a {
  display: inline-flex; align-items: center; gap: .55rem;
}
.pie__lista--contacto svg { width: 14px; height: 14px; opacity: .7; }

.pie__bottom {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; flex-wrap: wrap;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,.1);
  font-size: .82rem; color: rgba(255,255,255,.55);
}
.pie__bottom a { color: rgba(255,255,255,.85); font-weight: 600; text-decoration: none; }
.pie__bottom a:hover { color: var(--color-lila-2); }

@media (max-width: 880px) {
  .pie__inner {
    grid-template-columns: 1fr 1fr;
    gap: 2.25rem 1.5rem;
  }
}
@media (max-width: 520px) {
  .pie__inner { grid-template-columns: 1fr; }
}

/* ==========================================================================
   WhatsApp flotante — Lila corporativo
   ========================================================================== */
.flotante-whatsapp {
  position: fixed; bottom: 1.25rem; right: 1.25rem; z-index: 60;
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--color-lila); color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  box-shadow: var(--sombra-lila);
  transition: transform var(--transicion), background var(--transicion);
}
.flotante-whatsapp:hover {
  transform: translateY(-3px) scale(1.05);
  background: var(--color-lila-h);
}
.flotante-whatsapp svg { color: #fff; }

/* --- Accesibilidad: respetar usuarios que prefieren menos movimiento ----- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}
