/* ============================================================
   Konnet - línea gráfica oficial (web)
   Tokens del sistema de piezas: azul #1a56db / #003fb1, tinta
   #0b1633, fondo #f2f5fb, verde cliente #dcfce7, chip #dbe7fb.
   ============================================================ */

:root {
  --azul: #1a56db;
  --azul-profundo: #003fb1;
  --azul-oscuro: #0d1b3e;
  --tinta: #0b1633;
  --gris-texto: #4b5563;
  --gris-suave: #6b7280;
  --fondo: #f2f5fb;
  --blanco: #ffffff;
  --linea: #e5e7eb;
  --linea-suave: #eef0f4;
  --chip-bg: #dbe7fb;
  --chip-texto: #1d4ed8;
  --borde-boton: #d7defc;
  --verde: #10b981;
  --verde-claro: #dcfce7;
  --verde-tinta: #14532d;
  --verde-oscuro: #047857;
  --cyan: #00b4d8;
  --cyan-oscuro: #00677d;
  --ambar: #f59e0b;
  --rojo: #ef4444;
  --sombra-card: 0 1px 2px -1px rgba(11,22,51,0.08), 0 2px 6px -2px rgba(11,22,51,0.06);
  --sombra-alta: 0 20px 50px -25px rgba(11,22,51,0.25);
  --sombra-burbuja: 0 3px 10px -6px rgba(11,22,51,0.18);
  --radio-card: 16px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--fondo);
  color: var(--tinta);
  font-family: Geist, 'Segoe UI', system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
  text-wrap: pretty;
}

a { color: var(--azul); text-decoration: none; }
a:hover { color: var(--azul-profundo); }

img { max-width: 100%; height: auto; }

.contenedor { width: min(1200px, 92%); margin: 0 auto; }

.mono { font-family: 'Roboto Mono', ui-monospace, monospace; }

.eyebrow {
  font-family: 'Roboto Mono', ui-monospace, monospace;
  font-size: 12px; font-weight: 600;
  letter-spacing: 0.09em; text-transform: uppercase;
}

/* ---------- Chips y botones ---------- */

.chip {
  display: inline-flex; align-items: center; gap: 8px;
  height: 36px; padding: 0 16px; border-radius: 9999px;
  font-size: 13px; font-weight: 700;
  background: var(--chip-bg); color: var(--chip-texto);
}

.chip-num {
  display: inline-flex; align-items: center;
  height: 44px; padding: 0 22px; border-radius: 9999px;
  background: var(--chip-bg); color: var(--chip-texto);
  font-size: 15px; font-weight: 700; letter-spacing: 0.06em;
  text-transform: uppercase;
}

.boton-primario {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 52px; padding: 12px 28px;
  background: var(--azul); color: var(--blanco);
  border-radius: 9999px; border: none; cursor: pointer;
  font-size: 16px; font-weight: 700; font-family: inherit;
}
.boton-primario:hover { background: var(--azul-profundo); color: var(--blanco); }

.boton-secundario {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 52px; padding: 12px 26px;
  background: var(--blanco); color: var(--azul);
  border: 1.5px solid var(--borde-boton); border-radius: 9999px; cursor: pointer;
  font-size: 16px; font-weight: 700; font-family: inherit;
}
.boton-secundario:hover { border-color: var(--azul); }

/* ---------- Header / navegación ---------- */

.header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,0.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--linea);
}

.header-fila {
  display: flex; align-items: center; justify-content: space-between;
  gap: 20px; min-height: 76px;
}

.logo { display: flex; align-items: center; gap: 12px; }
.logo-k {
  width: 44px; height: 44px; border-radius: 9999px;
  background: var(--azul); color: var(--blanco);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; font-weight: 800;
}
.logo-k span { color: #8fb0ff; }
.logo-nombre { font-size: 26px; font-weight: 800; letter-spacing: -0.02em; color: var(--tinta); }
.logo-nombre em { font-style: normal; color: var(--azul); }

.nav { display: flex; align-items: center; gap: 32px; }
.nav a { font-size: 15px; font-weight: 600; color: var(--gris-texto); }
.nav a:hover, .nav a[aria-current="page"] { color: var(--azul-profundo); }

/* Dropdown Productos (CSS puro, accesible con :focus-within) */
.nav-drop { position: relative; }
.nav-drop > button {
  display: flex; align-items: center; gap: 6px;
  background: none; border: none; cursor: pointer; padding: 24px 0;
  font: inherit; font-size: 15px; font-weight: 600; color: var(--gris-texto);
}
.nav-drop:hover > button, .nav-drop:focus-within > button { color: var(--azul-profundo); }
.nav-panel {
  position: absolute; left: 50%; transform: translateX(-50%); top: 100%;
  width: 560px; padding: 18px; display: none;
  background: var(--blanco); border: 1px solid var(--linea);
  border-radius: 18px; box-shadow: var(--sombra-alta);
  grid-template-columns: 1fr 1fr; gap: 14px;
}
.nav-drop:hover .nav-panel, .nav-drop:focus-within .nav-panel { display: grid; }
.nav-prod {
  display: flex; flex-direction: column; gap: 8px;
  padding: 16px; border-radius: 14px; background: var(--fondo);
  border-top: 3px solid var(--verde);
}
.nav-prod.core { border-top-color: var(--cyan); }
.nav-prod strong { font-size: 16px; color: var(--tinta); }
.nav-prod span { font-size: 13px; line-height: 1.5; color: var(--gris-texto); }

/* El logo del header NUNCA se deforma: alto fijo, ancho libre, sin compresión flex */
/* The header logo NEVER distorts: fixed height, free width, no flex squeeze */
.logo { flex: none; }
.logo img { max-width: none; }

/* Banda de respaldos: rótulo arriba, logos en fila armonizada */
/* Endorsements band: label on top, logos in a harmonized row */
.banda-respaldos { display: flex; flex-direction: column; align-items: center; gap: 22px; }
.banda-respaldos-logos { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 26px 54px; }

/* Acciones del header: selector de idioma + iniciar sesión + demo */
/* Header actions: language switcher + log in + demo */
.header-acciones { display: flex; align-items: center; gap: 16px; }
.lang-drop { position: relative; }
.lang-drop > button {
  display: flex; align-items: center; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 22px 0;
  font: inherit; font-size: 14px; font-weight: 700; color: var(--gris-texto);
  letter-spacing: 0.02em;
}
.lang-drop:hover > button, .lang-drop:focus-within > button { color: var(--azul-profundo); }
.lang-panel {
  position: absolute; right: 0; top: 100%; min-width: 168px;
  display: none; flex-direction: column; padding: 8px;
  background: var(--blanco); border: 1px solid var(--linea);
  border-radius: 14px; box-shadow: var(--sombra-alta); z-index: 40;
}
.lang-drop:hover .lang-panel, .lang-drop:focus-within .lang-panel,
.lang-drop.abierto .lang-panel { display: flex; }
.lang-panel a {
  padding: 10px 14px; border-radius: 9px;
  font-size: 14.5px; font-weight: 600; color: var(--gris-texto);
}
.lang-panel a:hover { background: var(--fondo); color: var(--azul-profundo); }
.lang-panel a[aria-current="true"] { color: var(--azul); background: var(--chip-bg); }
.boton-login { font-size: 15px; font-weight: 700; color: var(--azul); white-space: nowrap; }
.boton-login:hover { color: var(--azul-profundo); }

/* Menú móvil */
.menu-boton {
  display: none; background: none; border: none; cursor: pointer; padding: 10px;
}
.menu-boton svg { display: block; }

@media (max-width: 900px) {
  .nav {
    position: absolute; left: 0; right: 0; top: 100%;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--blanco); border-bottom: 1px solid var(--linea);
    padding: 8px 4%; display: none;
  }
  .nav.abierto { display: flex; }
  .nav a, .nav-drop > button { padding: 14px 8px; width: 100%; text-align: left; }
  .nav-drop .nav-panel {
    position: static; transform: none; width: 100%; box-shadow: none;
    border: none; padding: 0 8px 8px 8px; grid-template-columns: 1fr;
  }
  .nav-drop:hover .nav-panel { display: none; }
  .nav-drop:focus-within .nav-panel, .nav-drop.abierto .nav-panel { display: grid; }
  .menu-boton { display: block; order: 3; }
  .header .boton-primario { display: none; }
  /* En móvil quedan visibles el idioma y el login, compactos */
  /* On mobile the language switcher and log in stay visible, compact */
  .header-acciones { gap: 10px; }
  .lang-drop > button { padding: 14px 0; }
  .boton-login { font-size: 14px; }
  /* Logo más compacto para que el header respire (gana al height inline) */
  /* More compact logo so the header breathes (overrides the inline height) */
  .logo img { height: 30px !important; }
}

/* Móvil: banda de respaldos compacta en 2 filas y secciones con menos aire */
/* Mobile: compact 2-row endorsements band and tighter section padding */
@media (max-width: 700px) {
  .banda-respaldos { gap: 16px; }
  .banda-respaldos-logos { gap: 16px 30px; }
  .banda-respaldos-logos img { height: 21px !important; }
  .banda-respaldos-logos img[src*="logo-meta"] { height: 29px !important; }
  .banda-respaldos-logos img[src*="impacta"] { height: 24px !important; }
}
@media (max-width: 640px) {
  .seccion { padding: 54px 0; }
  .hero { padding: 54px 0 44px; }
}

/* ---------- Secciones ---------- */

.seccion { padding: 88px 0; }
.seccion-blanca { background: var(--blanco); border-top: 1px solid var(--linea); border-bottom: 1px solid var(--linea); }

.titulo-seccion {
  font-size: clamp(30px, 4.2vw, 40px); font-weight: 800;
  letter-spacing: -0.02em; line-height: 1.15; margin: 14px 0;
}

.sub-seccion { font-size: 17px; line-height: 1.65; color: var(--gris-texto); margin: 0; max-width: 820px; }

.card {
  background: var(--blanco); border: 1px solid var(--linea);
  border-radius: var(--radio-card); box-shadow: var(--sombra-card);
}

/* ---------- Hero ---------- */

.hero { padding: 84px 0 72px; background: linear-gradient(180deg, var(--blanco) 0%, var(--fondo) 100%); position: relative; overflow: hidden; }
.hero .blob {
  position: absolute; border-radius: 9999px; pointer-events: none;
  background: radial-gradient(circle, #d8e4fa 0%, rgba(216,228,250,0) 70%);
}
.hero h1 {
  font-size: clamp(38px, 5.6vw, 62px); font-weight: 800;
  line-height: 1.08; letter-spacing: -0.025em; margin: 22px 0;
}
.hero-sub { font-size: 19px; line-height: 1.6; color: var(--gris-texto); max-width: 780px; margin: 0 0 26px; }
.hero-acciones { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; }

/* ---------- Composición tipo pieza (la que aprobó Elio) ---------- */

.pieza {
  display: grid; grid-template-columns: 1fr 1fr; gap: 56px;
  align-items: center; padding: 72px 0;
}
.pieza:nth-of-type(even) .pieza-visual { order: -1; }
.pieza-texto h2, .pieza-texto h3 {
  font-size: clamp(30px, 4vw, 44px); font-weight: 800;
  line-height: 1.08; letter-spacing: -0.02em; margin: 22px 0 14px;
}
.pieza-sub { font-size: 18px; line-height: 1.55; color: var(--gris-texto); margin: 0 0 22px; }
.pieza-claim {
  display: flex; align-items: center; gap: 20px;
  background: var(--blanco); border-radius: 20px; padding: 20px 24px;
  box-shadow: var(--sombra-alta); margin-top: 26px;
}
.pieza-claim .escudo { width: 52px; height: 52px; flex: none; }
.pieza-claim .division { width: 2px; align-self: stretch; background: var(--linea); }
.pieza-claim strong { display: block; font-size: 19px; font-weight: 800; color: var(--tinta); line-height: 1.25; }
.pieza-claim span { font-size: 15px; color: var(--gris-texto); line-height: 1.4; }

@media (max-width: 900px) {
  .pieza { grid-template-columns: 1fr; gap: 34px; padding: 52px 0; }
  .pieza:nth-of-type(even) .pieza-visual { order: 0; }
}

/* ---------- Phone mockup ---------- */

.phone {
  width: min(400px, 100%); margin: 0 auto;
  background: #1b1b1e; border-radius: 48px; padding: 10px;
  box-shadow: 0 40px 80px -30px rgba(11,22,51,0.35);
  position: relative;
}
.phone::before {
  content: ""; position: absolute; top: 20px; left: 50%; transform: translateX(-50%);
  width: 108px; height: 27px; background: #1b1b1e; border-radius: 9999px; z-index: 2;
}
.pantalla { background: var(--blanco); border-radius: 40px; overflow: hidden; display: flex; flex-direction: column; }
.statusbar { display: flex; align-items: center; justify-content: space-between; padding: 14px 30px 6px; font-size: 14px; font-weight: 600; }

/* Header de chat (avatar K + verificado) */
.chat-cabecera {
  display: flex; align-items: center; gap: 11px;
  padding: 10px 18px 13px; border-bottom: 1px solid var(--linea-suave);
}
.avatar-k {
  width: 40px; height: 40px; border-radius: 9999px; flex: none;
  background: var(--azul); color: var(--blanco);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; font-weight: 800;
  object-fit: cover; /* el imagotipo PNG llena el circulo sin deformarse / the PNG mark fills the circle without distortion */
}
.avatar-k span { color: #8fb0ff; }
.avatar-anillo {
  padding: 2px; border-radius: 9999px; flex: none;
  background: linear-gradient(45deg, #f58529, #dd2a7b, #8134af);
  display: flex;
}
.avatar-anillo .avatar-k { border: 2px solid var(--blanco); width: 36px; height: 36px; font-size: 16px; }
.chat-nombre { display: flex; align-items: center; gap: 6px; font-size: 15px; font-weight: 700; }
.chat-sub { font-size: 12px; color: var(--gris-suave); }

/* Cuerpo del chat */
.chat-cuerpo { background: #f7f8fb; padding: 16px; display: flex; flex-direction: column; gap: 9px; flex: 1; }
.msg-bot {
  align-self: flex-start; max-width: 86%;
  background: var(--blanco); border-radius: 16px 16px 16px 5px;
  padding: 12px 16px; font-size: 14.5px; line-height: 1.5; color: var(--tinta);
  box-shadow: var(--sombra-burbuja);
}
.msg-cli {
  align-self: flex-end; max-width: 84%;
  background: var(--verde-claro); border-radius: 16px 16px 5px 16px;
  padding: 12px 16px; font-size: 14.5px; line-height: 1.5; color: var(--verde-tinta);
}
.msg-hora { display: block; font-size: 11px; color: #9ca3af; margin-top: 4px; }
.msg-cli .msg-hora { text-align: right; color: #6ea88a; }

.btn-chat {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 14px; width: 78%;
  background: var(--blanco); border: 1.5px solid var(--borde-boton); border-radius: 12px;
  font-size: 13px; font-weight: 700; color: var(--azul);
}
.btn-chat.lleno { background: var(--azul); color: var(--blanco); border-color: var(--azul); }

.paso-sistema {
  display: flex; align-items: center; gap: 6px;
  font-size: 11.5px; color: var(--gris-suave);
}

.chat-input { display: flex; align-items: center; gap: 10px; padding: 12px 16px 18px; background: #f7f8fb; }
.chat-input .caja {
  flex: 1; display: flex; align-items: center; gap: 9px;
  min-height: 42px; background: var(--blanco); border: 1px solid var(--linea-suave);
  border-radius: 9999px; padding: 0 16px; font-size: 13.5px; color: var(--gris-suave);
}
.chat-input .mic {
  width: 42px; height: 42px; border-radius: 9999px; flex: none;
  background: var(--verde); display: flex; align-items: center; justify-content: center;
}

/* Icono circular con caption (de las piezas) */
.icono-caption { display: flex; flex-direction: column; align-items: flex-start; gap: 12px; margin-top: 26px; }
.icono-circulo {
  width: 96px; height: 96px; border-radius: 9999px;
  background: #dbeafe; display: flex; align-items: center; justify-content: center;
}
.icono-caption strong { font-size: 17px; color: var(--tinta); }
.icono-caption span { font-size: 15px; color: var(--gris-texto); }

/* ---------- Browser mockup ---------- */

.browser { border-radius: 20px; overflow: hidden; background: var(--blanco); box-shadow: 0 40px 80px -30px rgba(11,22,51,0.35); }
.browser-barra { display: flex; align-items: center; gap: 7px; background: #eef1f7; padding: 13px 18px; }
.browser-barra i { width: 11px; height: 11px; border-radius: 9999px; display: block; }
.browser-url {
  flex: 1; margin-left: 8px; background: var(--blanco); border-radius: 8px;
  padding: 6px 14px; font-size: 12.5px; color: var(--gris-suave);
}

/* ---------- Grids de cards ---------- */

.grilla { display: grid; gap: 24px; }
.grilla-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grilla-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grilla-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

@media (max-width: 1000px) { .grilla-3, .grilla-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { .grilla-2, .grilla-3, .grilla-4 { grid-template-columns: 1fr; } }

.card-feature { padding: 30px; display: flex; flex-direction: column; gap: 12px; }
.card-feature h3 { font-size: 18px; font-weight: 700; margin: 0; }
.card-feature p { font-size: 14.5px; line-height: 1.6; color: var(--gris-texto); margin: 0; }

/* ---------- Caso de éxito ---------- */

.stat-antes { font-size: 0.45em; font-weight: 600; color: #9aa0ae; text-decoration: line-through; }
.card-stat { padding: 34px; display: flex; flex-direction: column; gap: 10px; }
.card-stat .cifra { font-size: clamp(40px, 4.5vw, 56px); font-weight: 800; letter-spacing: -0.02em; line-height: 1; display: flex; align-items: baseline; gap: 12px; }
.card-stat p { font-size: 14.5px; line-height: 1.6; color: var(--gris-texto); margin: 0; }

/* ---------- Banda oscura ---------- */

.banda-oscura { background: var(--azul-oscuro); border-radius: 24px; padding: 52px 60px; color: var(--blanco); }
.banda-oscura h2, .banda-oscura h3 { color: var(--blanco); }
.banda-oscura p { color: #b5c4ff; }
@media (max-width: 700px) { .banda-oscura { padding: 36px 26px; } }

/* ---------- FAQ ---------- */

.faq details {
  background: var(--fondo); border: 1px solid var(--linea);
  border-radius: var(--radio-card); padding: 0 26px; overflow: hidden;
}
.faq summary {
  cursor: pointer; list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 22px 0; font-size: 16.5px; font-weight: 700; color: var(--tinta);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 24px; font-weight: 400; color: var(--azul); flex: none; }
.faq details[open] summary::after { content: "\2212"; }
.faq details p { margin: 0 0 22px; font-size: 14.5px; line-height: 1.7; color: var(--gris-texto); }

/* ---------- Footer ---------- */

.footer { padding: 0 4% 40px; }
.footer-caja { background: var(--azul-profundo); border-radius: 24px; padding: 60px 7% 0; color: var(--blanco); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 44px; padding-bottom: 44px; }
.footer h2 { font-size: 26px; font-weight: 800; letter-spacing: -0.02em; margin: 0 0 16px; }
.footer h2 span { color: #50d9fe; }
.footer-desc { font-size: 14.5px; line-height: 1.65; color: #d4dcff; max-width: 300px; }
.footer-titulo {
  font-family: 'Roboto Mono', ui-monospace, monospace;
  font-size: 12px; font-weight: 600; letter-spacing: 0.08em;
  color: #8fa4ff; text-transform: uppercase; margin-bottom: 16px;
}
.footer-caja a, .footer-caja .footlink { display: block; color: #d4dcff; font-size: 14px; margin-bottom: 12px; }
.footer-caja a:hover { color: var(--blanco); }
.footer-social { display: flex; gap: 10px; margin-top: 16px; }
.footer-social a {
  width: 38px; height: 38px; border-radius: 9999px; margin: 0;
  background: rgba(255,255,255,0.12); display: flex; align-items: center; justify-content: center;
}
.footer-legal {
  border-top: 1px solid rgba(181,196,255,0.25); padding: 20px 0;
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px;
  font-size: 13px; color: #b5c4ff;
}
.footer-legal a { display: inline; color: #b5c4ff; margin: 0 0 0 20px; font-size: 13px; }
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } }

/* ---------- Utilidades ---------- */

.centrado { text-align: center; }
.centrado .sub-seccion, .centrado .titulo-seccion { margin-left: auto; margin-right: auto; }
.ico { flex: none; }
.solo-lectores {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ============================================================
   Animaciones (sutiles, compositor-only: transform + opacity)
   ============================================================ */

/* Reveal al hacer scroll (IntersectionObserver agrega .visible) */
.revelar {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s ease-out, transform 0.55s ease-out;
}
.revelar.visible { opacity: 1; transform: none; }
.revelar:nth-child(2) { transition-delay: 0.08s; }
.revelar:nth-child(3) { transition-delay: 0.16s; }
.revelar:nth-child(4) { transition-delay: 0.24s; }

/* Burbujas de chat: entran escalonadas cuando el chat es visible */
.chat-animado .msg-bot,
.chat-animado .msg-cli,
.chat-animado .btn-chat,
.chat-animado .paso-sistema {
  opacity: 0;
  transform: translateY(10px) scale(0.98);
}
.chat-animado.visible .msg-bot,
.chat-animado.visible .msg-cli,
.chat-animado.visible .btn-chat,
.chat-animado.visible .paso-sistema {
  animation: burbuja-entra 0.4s ease-out forwards;
}
.chat-animado.visible > *:nth-child(1) { animation-delay: 0.15s; }
.chat-animado.visible > *:nth-child(2) { animation-delay: 0.65s; }
.chat-animado.visible > *:nth-child(3) { animation-delay: 1.15s; }
.chat-animado.visible > *:nth-child(4) { animation-delay: 1.65s; }
.chat-animado.visible > *:nth-child(5) { animation-delay: 2.15s; }
.chat-animado.visible > *:nth-child(6) { animation-delay: 2.65s; }
.chat-animado.visible > *:nth-child(7) { animation-delay: 3.15s; }
.chat-animado.visible > *:nth-child(8) { animation-delay: 3.65s; }

@keyframes burbuja-entra {
  to { opacity: 1; transform: none; }
}

/* Indicador escribiendo (tres puntos) */
.escribiendo { display: inline-flex; align-items: center; gap: 4px; padding: 13px 16px; }
.escribiendo i {
  width: 7px; height: 7px; border-radius: 9999px; background: #9ca3af; display: block;
  animation: punto-late 1.2s ease-in-out infinite;
}
.escribiendo i:nth-child(2) { animation-delay: 0.15s; }
.escribiendo i:nth-child(3) { animation-delay: 0.3s; }
@keyframes punto-late {
  0%, 60%, 100% { transform: none; opacity: 0.5; }
  30% { transform: translateY(-4px); opacity: 1; }
}

/* Micro-interacciones */
.card, .boton-primario, .boton-secundario { transition: transform 0.18s ease-out, box-shadow 0.18s ease-out, background-color 0.18s ease-out, border-color 0.18s ease-out; }
a.card:hover, .card-enlace:hover { transform: translateY(-3px); box-shadow: 0 10px 30px -12px rgba(11,22,51,0.22); }
.boton-primario:active, .boton-secundario:active { transform: scale(0.98); }
.nav-panel { animation: panel-abre 0.16s ease-out; }
@keyframes panel-abre {
  from { opacity: 0; transform: translateX(-50%) translateY(-6px); }
  to { opacity: 1; transform: translateX(-50%) translateY(0); }
}
@media (max-width: 900px) {
  .nav-panel { animation: none; }
}

/* Los layouts de seccion definidos con grid inline colapsan a una columna en movil */
/* Section layouts defined with inline grid collapse to one column on mobile */
@media (max-width: 760px) {
  .contenedor[style*="grid-template-columns"],
  .contenedor > [style*="grid-template-columns"] {
    grid-template-columns: 1fr !important;
  }
}

/* Respeto total a reduced motion */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .revelar, .chat-animado .msg-bot, .chat-animado .msg-cli,
  .chat-animado .btn-chat, .chat-animado .paso-sistema {
    opacity: 1; transform: none; transition: none; animation: none;
  }
  .escribiendo i { animation: none; }
  .card, .boton-primario, .boton-secundario, .nav-panel { transition: none; animation: none; }
}

/* Link inferior del dropdown Productos */
.nav-panel-extra {
  grid-column: 1 / -1; text-align: center; padding: 10px;
  border-radius: 10px; background: var(--fondo);
  font-size: 14px; font-weight: 700; color: var(--azul);
}