/* =========================================================
   Cognit — Business Website · Fase 1 (Prototipo)
   ========================================================= */

:root {
  /* Paleta oficial de marca Cognit */
  --color-dark: #232430;
  --color-purple: #7866A5;
  --color-purple-deep: #523F7F;
  --color-teal: #8EC4D0;
  --color-teal-deep: #55A4B4;
  --color-blue-light: #6F9FD6;
  --color-warm-gray: #5A4B4B;
  --color-blue: #3975B9;

  /* Roles */
  --color-bg: #FFFFFF;
  --color-bg-alt: #F6F7FA;
  --color-surface: #FFFFFF;
  --color-mix-base: white;
  --color-text: var(--color-dark);
  --color-text-muted: #5B5D6B;
  --color-border: #E3E5EC;
  --color-primary: var(--color-blue);
  --color-primary-hover: #2E5F94;
  --color-primary-text: var(--color-blue);
  --color-accent: var(--color-purple);
  --color-state-error: #C0392B;
  --color-state-success: #1E8E4F;

  /* Tipografía de marca Cognit: Commissioner (principal, títulos y CTAs) + Montserrat (secundaria, texto general) */
  --font-display: 'Commissioner', 'Segoe UI', sans-serif;
  --font-base: 'Montserrat', 'Segoe UI', sans-serif;

  --container-max: 1200px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --shadow-sm: 0 1px 3px rgba(35, 36, 48, 0.08);
  --shadow-md: 0 8px 24px rgba(35, 36, 48, 0.10);

  --transition: 0.2s ease;
  --transition-slow: 0.5s cubic-bezier(0.16, 1, 0.3, 1);

  /* Sistema "bold" — mesh gradients multicolor con la paleta oficial completa */
  --mesh-color-1: var(--color-purple);
  --mesh-color-2: var(--color-blue);
  --mesh-color-3: var(--color-blue-light);
  --mesh-color-4: var(--color-teal-deep);
  --mesh-color-5: var(--color-purple-deep);
  --mesh-color-6: var(--color-teal);
  --glow-opacity: 0.16;

  /* Ciclo de color del pulpo del hero (dibujado -> relleno -> disolución) */
  --octopus-cyc-1: var(--color-purple);
  --octopus-cyc-2: var(--color-blue);
  --octopus-cyc-3: var(--color-teal);
  --octopus-cyc-4: var(--color-purple-deep);
  --octopus-cyc-glow: rgba(85, 164, 180, 0.65);

  /* Fondo del hero: grilla + resplandor radial (solo modo claro) */
  --hero-glow: #C9EBFF;

  /* Color del pulso radial del loader de página */
  --loader-color: var(--color-purple-deep);
}

/* Dark mode — light mode usa la paleta de marca en pastel, dark mode en su
   versión fuerte/secundaria. Los tokens crudos de marca (--color-purple,
   --color-blue, etc.) no cambian; solo a qué token apunta cada rol. */
:root[data-theme="dark"] {
  --color-bg: #1B1C26;
  --color-bg-alt: #22232E;
  --color-surface: #2B2C3A;
  --color-mix-base: #1E1F29;
  --color-text: #F3F3F7;
  --color-text-muted: #B7B8C7;
  --color-border: #3D3E4E;

  --color-primary: var(--color-blue);
  --color-primary-hover: #4E8BCF;
  --color-primary-text: #6B98CA;
  --color-accent: var(--color-purple-deep);

  --color-state-error: #E5695A;
  --color-state-success: #3FBE7D;
  --glow-opacity: 0.28;

  --octopus-cyc-1: var(--color-blue-light);
  --octopus-cyc-2: var(--color-teal);
  --octopus-cyc-3: #A7D8E0;
  --octopus-cyc-4: var(--color-purple);
  --octopus-cyc-glow: rgba(142, 196, 208, 0.75);

  --hero-glow: rgba(120, 102, 165, 0.4);

  --loader-color: var(--color-purple);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-base);
  color: var(--color-text);
  background: var(--color-bg);
  font-size: 0.9375rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  transition: background-color var(--transition-slow), color var(--transition-slow);
}

/* ---------- Page loader ---------- */
.page-loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.1rem;
  background: var(--color-bg);
  transition: opacity 0.5s ease;
}
.page-loader.is-hidden {
  opacity: 0;
  pointer-events: none;
}
.page-loader__canvas {
  display: block;
  width: 90px;
  height: 90px;
}
.page-loader__text {
  margin: 0;
  font-family: var(--font-base);
  font-weight: 600;
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

/* Tipografía principal de marca (Commissioner) para títulos y llamadas a la acción */
h1, h2, h3, h4,
.btn,
.navbar__brand-text,
.hero__title,
.page-hero__title,
.section__title,
.category-intro__title,
.solution__title,
.solution__block-title,
.solution__code,
.cta-band__title,
.category-card__title,
.step-card__title,
.pillar-card h3,
.feature-card h4,
.quote-card__label,
.eyebrow {
  font-family: var(--font-display);
  letter-spacing: 0;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, p { margin: 0; }

:focus-visible {
  outline: 2px solid var(--color-blue-light);
  outline-offset: 2px;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.25rem;
}

.eyebrow {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-primary-text);
  margin-bottom: 0.75rem;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
  min-height: 44px;
  padding: 0.75rem 1.5rem;
  font-size: 0.9375rem;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }

.btn--primary {
  position: relative;
  overflow: hidden;
  background: var(--color-primary);
  color: #fff;
}
.btn--primary:hover {
  background: var(--color-primary-hover);
  box-shadow: 0 4px 20px color-mix(in srgb, var(--color-primary) 35%, transparent);
}
.btn--primary::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 20%, rgba(255, 255, 255, 0.5) 50%, transparent 80%);
  transform: translateX(-120%);
  transition: transform 0.6s ease;
  pointer-events: none;
}
.btn--primary:hover::after { transform: translateX(120%); }

.btn--ghost {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn--ghost:hover {
  border-color: var(--color-primary);
  color: var(--color-primary-text);
  box-shadow: 0 4px 16px color-mix(in srgb, var(--color-primary) 20%, transparent);
}

.btn--sm { padding: 0.55rem 1.1rem; font-size: 0.875rem; min-height: 40px; }
.btn--lg { padding: 0.9rem 1.85rem; font-size: 1rem; }

/* ---------- Scroll reveal (genérico) ---------- */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}
.card-grid .category-card:nth-child(2) { transition-delay: 0.05s; }
.card-grid .category-card:nth-child(3) { transition-delay: 0.1s; }
.card-grid .category-card:nth-child(4) { transition-delay: 0.15s; }
.card-grid .category-card:nth-child(5) { transition-delay: 0.2s; }

/* ---------- Navbar ---------- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(10px);
  -webkit-backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition);
}
.navbar.is-scrolled { box-shadow: var(--shadow-sm); }

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  height: 72px;
}
.navbar__inner > .theme-toggle { align-self: center; margin-top: 0; }

.navbar__brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.navbar__logo {
  height: 40px;
  width: auto;
}

.navbar__menu {
  display: none;
  align-items: center;
  gap: 2rem;
}
.navbar__link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--transition);
  padding: 0.4rem 0;
}
.navbar__link:hover { color: var(--color-primary-text); }

.navbar__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.navbar__actions .btn--primary { display: none; }

.navbar__toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 0;
}
.navbar__toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 0 auto;
  background: var(--color-dark);
  transition: transform var(--transition), opacity var(--transition);
}
.navbar__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.navbar__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.navbar__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile dropdown menu */
.navbar__menu {
  position: absolute;
  top: 72px;
  left: 0;
  right: 0;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  flex-direction: column;
  align-items: stretch;
  padding: 1rem 1.25rem 1.5rem;
  gap: 0;
  box-shadow: var(--shadow-sm);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
}
.navbar__menu.is-open {
  display: flex;
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.navbar__menu .navbar__link {
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--color-border);
}
.navbar__menu .navbar__link:last-child { border-bottom: none; }

/* ---------- Hero (inmersivo, partículas reactivas al cursor) ---------- */
.hero--immersive {
  position: relative;
  min-height: min(88vh, 760px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4rem 0;
  background-color: var(--color-bg-alt);
  background-image:
    linear-gradient(to right, var(--color-border) 1px, transparent 1px),
    linear-gradient(to bottom, var(--color-border) 1px, transparent 1px),
    radial-gradient(circle 500px at 50% 200px, var(--hero-glow), transparent);
  background-size: 6rem 4rem, 6rem 4rem, 100% 100%;
  background-repeat: repeat, repeat, no-repeat;
  overflow: hidden;
}
.hero__octopus-wrap {
  position: absolute;
  inset: 0;
  z-index: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}
.hero__octopus {
  width: min(52vw, 500px);
  height: auto;
  animation: heroOctopusDrift 5s ease-in-out infinite, heroOctopusGlowCycle 7s cubic-bezier(0.65,0,0.35,1) infinite;
}
.hero__octopus path {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
  animation: heroOctopusCycle 7s cubic-bezier(0.65,0,0.35,1) infinite;
}
.hero__octopus path:nth-child(1) { animation-delay: 0s; }
.hero__octopus path:nth-child(2) { animation-delay: 0.15s; }
.hero__octopus path:nth-child(3) { animation-delay: 0.3s; }
.hero__octopus path:nth-child(4) { animation-delay: 0.45s; }

/* Ciclo: se dibuja en un color de marca -> se rellena y brilla -> se
   adelgaza hasta desaparecer -> vuelve a dibujarse. Un solo loop de 7s. */
@keyframes heroOctopusCycle {
  0%   { stroke: var(--octopus-cyc-1); stroke-width: 4;   stroke-dashoffset: 1; stroke-opacity: 1;    fill-opacity: 0; }
  32%  { stroke: var(--octopus-cyc-2); stroke-width: 4;   stroke-dashoffset: 0; stroke-opacity: 1;    fill-opacity: 0; }
  46%  { stroke: var(--octopus-cyc-3); stroke-width: 2.2; stroke-dashoffset: 0; stroke-opacity: 0.6;  fill-opacity: 0.32; }
  62%  { stroke: var(--octopus-cyc-3); stroke-width: 2.2; stroke-dashoffset: 0; stroke-opacity: 0.6;  fill-opacity: 0.32; }
  80%  { stroke: var(--octopus-cyc-4); stroke-width: 0.3; stroke-dashoffset: 0; stroke-opacity: 0.12; fill-opacity: 0.04; }
  93%  { stroke: var(--octopus-cyc-4); stroke-width: 0;   stroke-dashoffset: 0; stroke-opacity: 0;    fill-opacity: 0; }
  100% { stroke: var(--octopus-cyc-1); stroke-width: 4;   stroke-dashoffset: 1; stroke-opacity: 1;    fill-opacity: 0; }
}
@keyframes heroOctopusGlowCycle {
  0%   { filter: drop-shadow(0 0 0 transparent); }
  32%  { filter: drop-shadow(0 0 16px var(--octopus-cyc-glow)); }
  46%  { filter: drop-shadow(0 0 50px var(--octopus-cyc-glow)); }
  62%  { filter: drop-shadow(0 0 50px var(--octopus-cyc-glow)); }
  80%  { filter: drop-shadow(0 0 8px var(--octopus-cyc-glow)); }
  93%  { filter: drop-shadow(0 0 0 transparent); }
  100% { filter: drop-shadow(0 0 0 transparent); }
}
@keyframes heroOctopusDrift {
  0%   { transform: translate3d(0,0,0) rotate(0deg) scale(0.94); }
  20%  { transform: translate3d(55px,-70px,0) rotate(-9deg) scale(1.16); }
  40%  { transform: translate3d(-45px,-95px,0) rotate(7deg) scale(1.02); }
  60%  { transform: translate3d(-60px,10px,0) rotate(-6deg) scale(1.14); }
  80%  { transform: translate3d(50px,55px,0) rotate(8deg) scale(0.98); }
  100% { transform: translate3d(0,0,0) rotate(0deg) scale(0.94); }
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 780px;
  margin: 0 auto;
  text-align: center;
}
.hero__inner .eyebrow,
.hero__title,
.hero__subtitle,
.hero__actions {
  animation: heroFadeUp 0.7s ease-out both;
}
.hero__inner .eyebrow { animation-delay: 0s; }
.hero__title { animation-delay: 0.1s; }
.hero__subtitle { animation-delay: 0.22s; }
.hero__actions { animation-delay: 0.34s; }
@keyframes heroFadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: none; }
}
.hero__title {
  font-size: 2.375rem;
  line-height: 1.1;
  font-weight: 800;
  letter-spacing: normal;
  color: var(--color-text);
  margin-bottom: 1.1rem;
}
.hero__subtitle {
  font-size: 1.0625rem;
  color: var(--color-text-muted);
  max-width: 46ch;
  margin: 0 auto 1.75rem;
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.9rem;
}
.hero__actions .btn--primary {
  animation: heroCtaPulse 2.6s ease-in-out 1.1s infinite;
}
@keyframes heroCtaPulse {
  0%, 100% { transform: scale(1); box-shadow: 0 0 0 rgba(57, 117, 185, 0); }
  50% { transform: scale(1.035); box-shadow: 0 0 18px 2px rgba(57, 117, 185, 0.4); }
}

/* ---------- Sections (placeholder) ---------- */
.section { padding: 4rem 0; }
.section--alt { background: var(--color-bg-alt); }
.section__title {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: normal;
  margin-bottom: 0.75rem;
}
.section__lead {
  font-size: 1.0625rem;
  color: var(--color-text-muted);
  max-width: 60ch;
}

/* ---------- Footer ---------- */
.footer {
  background: var(--color-dark);
  color: #fff;
  padding: 3rem 0 1.5rem;
}
.footer__inner {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}
.footer__logo {
  height: 108px;
  width: auto;
  margin-bottom: 0.75rem;
}
.footer__tagline {
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.9375rem;
  margin-top: 0.6rem;
  max-width: 32ch;
}
.footer__nav, .footer__legal {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}
.footer__nav a, .footer__legal a {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.9375rem;
  transition: color var(--transition);
}
.footer__nav a:hover, .footer__legal a:hover { color: var(--color-teal); }
.footer__bottom {
  padding-top: 1.5rem;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.5);
}

/* =========================================================
   Breakpoints
   ========================================================= */

/* Tablet ≥768px */
@media (min-width: 768px) {
  .hero__title { font-size: 3.25rem; }
  .footer__inner { flex-direction: row; justify-content: space-between; }
  .footer__brand { flex: 1; }
}

/* Desktop ≥1024px */
@media (min-width: 1024px) {
  .navbar__menu {
    position: static;
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 2rem;
    background: transparent;
    border: none;
    box-shadow: none;
    padding: 0;
    opacity: 1;
    visibility: visible;
    transform: none;
  }
  .navbar__menu .navbar__link { border-bottom: none; padding: 0.4rem 0; }
  .lang-switch, .theme-toggle { align-self: center; margin-top: 0; }
  .navbar__toggle { display: none; }
  .navbar__actions .btn--primary { display: inline-flex; }

  .hero--immersive { padding: 6rem 0; }
  .hero__title { font-size: 4rem; }
  .hero__subtitle { font-size: 1.125rem; }

  .section { padding: 5.5rem 0; }
  .section__title { font-size: 2.25rem; }
}

/* Large desktop ≥1440px */
@media (min-width: 1440px) {
  .hero__title { font-size: 4.5rem; }
}

/* =========================================================
   Fase 2 — Componentes adicionales
   ========================================================= */

.narrow-lead { max-width: 720px; }
.two-col {
  display: grid;
  gap: 2.5rem;
}
@media (min-width: 1024px) {
  .two-col { grid-template-columns: 1fr 1fr; }
}

/* ---------- Theme toggle (Light/Dark, ícono de marca) ---------- */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  border: 1.5px solid var(--color-border);
  border-radius: 50%;
  background: var(--color-bg-alt);
  color: var(--color-accent);
  cursor: pointer;
  align-self: flex-start;
  margin-top: 0.75rem;
  transition: color var(--transition), background var(--transition), border-color var(--transition), transform var(--transition);
}
.theme-toggle:hover { border-color: var(--color-accent); }
.theme-toggle:active { transform: scale(0.92); }
.theme-toggle__icon {
  width: 20px;
  height: 20px;
  transition: transform var(--transition-slow);
}
.theme-toggle[aria-pressed="true"] .theme-toggle__icon { transform: rotate(360deg); }
:root[data-theme="dark"] .theme-toggle {
  background: var(--color-surface);
  color: #F3F3F7;
}
:root[data-theme="dark"] .theme-toggle:hover { border-color: var(--color-accent); }

/* ---------- Dark mode — ajustes puntuales por componente ---------- */
:root[data-theme="dark"] .navbar {
  background: rgba(27, 28, 38, 0.85);
}
:root[data-theme="dark"] .navbar__logo {
  filter: brightness(0) invert(1);
}
:root[data-theme="dark"] .category-card__icon {
  background: color-mix(in srgb, var(--cat-color, var(--color-primary)) 22%, var(--color-mix-base));
}

/* ---------- Lang switch (segmented control) ---------- */
.lang-switch {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1.5px solid var(--color-border);
  background: var(--color-bg-alt);
  border-radius: 999px;
  padding: 3px;
  align-self: flex-start;
  margin-top: 0.75rem;
}
.lang-switch__option {
  position: relative;
  z-index: 1;
  border: none;
  background: transparent;
  font-family: var(--font-base);
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 0.03em;
  color: var(--color-text-muted);
  padding: 0.35rem 0.7rem;
  min-width: 36px;
  border-radius: 999px;
  cursor: pointer;
  transition: color var(--transition);
}
.lang-switch__option[aria-pressed="true"] { color: #fff; }
.lang-switch__option:hover:not([aria-pressed="true"]) { color: var(--color-primary-text); }
.lang-switch__thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: calc(50% - 6px);
  height: calc(100% - 6px);
  background: var(--color-primary);
  border-radius: 999px;
  transition: transform var(--transition-slow);
}
.lang-switch[data-active="en"] .lang-switch__thumb { transform: translateX(calc(100% + 6px)); }

/* ---------- Page hero (páginas internas) ---------- */
.page-hero {
  padding: 3rem 0 2.5rem;
  background: var(--color-bg-alt);
}
.page-hero__title {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: normal;
  margin-bottom: 0.9rem;
}
.page-hero__lead {
  font-size: 1.0625rem;
  color: var(--color-text-muted);
}
@media (min-width: 1024px) {
  .page-hero { padding: 4.5rem 0; }
  .page-hero__title { font-size: 2.75rem; }
}

/* ---------- Card grid (categorías home) ---------- */
.card-grid {
  display: grid;
  gap: 1.25rem;
  margin-top: 2rem;
  grid-template-columns: 1fr;
}
@media (min-width: 768px) {
  .card-grid--5 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .card-grid--5 { grid-template-columns: repeat(3, 1fr); }
}

/* Bento grid — solo desktop, jerarquiza visualmente las 5 categorías */
@media (min-width: 1024px) {
  .card-grid--bento {
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: minmax(180px, auto);
  }
  .card-grid--bento .category-card:nth-child(1) { grid-column: span 2; }
  .card-grid--bento .category-card:nth-child(2) { grid-column: span 2; }
  .card-grid--bento .category-card:nth-child(3) { grid-column: span 2; }
  .card-grid--bento .category-card:nth-child(4) { grid-column: span 2; }
  .card-grid--bento .category-card:nth-child(5) { grid-column: span 4; }
}

.category-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--cat-color, var(--color-border));
  border-radius: var(--radius-md);
  padding: 1.5rem;
  overflow: hidden;
  --spot-x: 50%;
  --spot-y: 50%;
  --tilt-x: 0deg;
  --tilt-y: 0deg;
  transform: perspective(800px) rotateX(var(--tilt-y)) rotateY(var(--tilt-x));
  transition: border-color var(--transition), box-shadow var(--transition), transform 0.3s ease;
}
.category-card:hover {
  border-color: var(--cat-color, var(--color-primary));
  box-shadow: var(--shadow-sm);
}
.category-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at var(--spot-x) var(--spot-y), var(--cat-color, var(--color-primary)) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}
.category-card:hover::after { opacity: var(--glow-opacity); }
.category-card__icon {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--cat-color, var(--color-primary)) 14%, var(--color-mix-base));
  color: var(--cat-color, var(--color-primary));
  margin-bottom: 1rem;
}
.category-card__title {
  position: relative;
  font-size: 1.0625rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}
.category-card__desc {
  position: relative;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

/* ---------- Steps grid ---------- */
.steps-grid {
  display: grid;
  gap: 1.5rem;
  margin-top: 2rem;
  grid-template-columns: 1fr;
}
@media (min-width: 768px) {
  .steps-grid--3, .steps-grid { grid-template-columns: repeat(3, 1fr); }
}
.step-card {
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
  padding: 1.5rem;
}
.step-card__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-weight: 800;
  font-size: 0.9375rem;
  margin-bottom: 0.9rem;
}
.step-card__title {
  font-size: 1.0625rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}
.step-card__desc {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

/* ---------- Tag list / checklist grid ---------- */
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.5rem;
}
.tag-list li {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 0.5rem 1.1rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
}

.checklist-grid {
  display: grid;
  gap: 0.75rem;
  margin-top: 1.25rem;
  grid-template-columns: 1fr;
}
@media (min-width: 768px) {
  .checklist-grid { grid-template-columns: repeat(2, 1fr); }
}
.checklist-grid li {
  position: relative;
  padding: 0.75rem 1rem 0.75rem 2.5rem;
  background: var(--color-bg-alt);
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
}
.checklist-grid li::before {
  content: "";
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--color-primary);
}
.checklist-grid li::after {
  content: "";
  position: absolute;
  left: 1.28rem;
  top: 50%;
  transform: translateY(-65%) rotate(-45deg);
  width: 8px;
  height: 4px;
  border-left: 2px solid #fff;
  border-bottom: 2px solid #fff;
}

/* ---------- CTA band ---------- */
.cta-band {
  position: relative;
  background: var(--color-dark);
  padding: 3.5rem 0;
  overflow: hidden;
}
.cta-band__watermark {
  display: none;
  position: absolute;
  top: 50%;
  right: -60px;
  transform: translateY(-50%);
  width: 260px;
  height: 260px;
  opacity: 0.14;
  pointer-events: none;
}
@media (min-width: 768px) {
  .cta-band__watermark { display: block; }
}
.cta-band__inner { position: relative; text-align: center; }
.cta-band__title {
  color: #fff;
  font-size: 1.75rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
}
.cta-band__desc {
  color: rgba(255, 255, 255, 0.7);
  font-size: 1.0625rem;
  margin-bottom: 1.75rem;
  max-width: 46ch;
  margin-left: auto;
  margin-right: auto;
}
@media (min-width: 1024px) {
  .cta-band { padding: 5rem 0; }
  .cta-band__title { font-size: 2.25rem; }
}

/* ---------- Pillar grid (sobre nosotros) ---------- */
.pillar-grid {
  display: grid;
  gap: 1.25rem;
  margin-top: 2rem;
  grid-template-columns: 1fr;
}
@media (min-width: 768px) {
  .pillar-grid { grid-template-columns: repeat(2, 1fr); }
}
.pillar-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
}
.pillar-card h3 { font-size: 1.0625rem; font-weight: 700; margin-bottom: 0.4rem; }
.pillar-card p { font-size: 0.9375rem; color: var(--color-text-muted); }

/* =========================================================
   Tabs (categorías / servicios en soluciones.html)
   ========================================================= */
.tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 2.5rem;
}
.tabs__tab {
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: 999px;
  padding: 0.65rem 1.25rem;
  font-family: var(--font-base);
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  cursor: pointer;
  min-height: 44px;
  transition: border-color var(--transition), color var(--transition), background var(--transition);
}
.tabs__tab:hover { border-color: var(--color-primary); color: var(--color-primary-text); }
.tabs__tab[aria-selected="true"] {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}
/* Cada categoría toma el color de acento de la paleta oficial (--cat-color) */
.category-tabs .tabs__tab:hover:not([aria-selected="true"]) { border-color: var(--cat-color, var(--color-primary)); color: var(--cat-color, var(--color-primary)); }
.category-tabs .tabs__tab[aria-selected="true"] {
  background: var(--cat-color, var(--color-primary));
  border-color: var(--cat-color, var(--color-primary));
  color: var(--cat-on, #fff);
  box-shadow: 0 4px 16px color-mix(in srgb, var(--cat-color, var(--color-primary)) 40%, transparent);
}
.tabs__tab--sub {
  background: var(--color-bg-alt);
  border-color: transparent;
}
.tabs__tab--sub[aria-selected="true"] {
  background: var(--cat-color, var(--color-accent));
  border-color: var(--cat-color, var(--color-accent));
  color: var(--cat-on, #fff);
  box-shadow: 0 4px 16px color-mix(in srgb, var(--cat-color, var(--color-accent)) 40%, transparent);
}
.tabs__tab--sub:hover:not([aria-selected="true"]) {
  border-color: var(--cat-color, var(--color-purple-deep));
  color: var(--cat-color, var(--color-purple-deep));
}
.tabs--sub { margin-top: 2.5rem; }
.tabs--sub .tabs__list { margin-bottom: 2rem; }

.category-intro {
  position: relative;
  max-width: 720px;
  margin-bottom: 1rem;
  padding: 1.75rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.category-intro::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at top left, var(--cat-color, var(--color-primary)), transparent 70%);
  opacity: 0.08;
  z-index: -1;
}
.category-intro__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--cat-text-light, var(--color-primary-text));
  margin-bottom: 0.6rem;
}
:root[data-theme="dark"] .category-intro__badge { color: var(--cat-text-dark, var(--color-primary-text)); }
.category-intro__badge::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--cat-color, var(--color-primary));
  flex-shrink: 0;
}
.category-intro__title {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: normal;
  margin-bottom: 0.75rem;
}
.category-intro__desc { font-size: 1.0625rem; color: var(--color-text-muted); }

/* ---------- Solution block (cada servicio) ---------- */
.solution { max-width: 880px; }
.solution__code {
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--cat-text-light, var(--color-primary-text));
  margin-bottom: 0.75rem;
}
:root[data-theme="dark"] .solution__code { color: var(--cat-text-dark, var(--color-primary-text)); }
.solution__hero { margin-bottom: 2.5rem; }
.solution__title {
  font-size: 1.875rem;
  font-weight: 800;
  letter-spacing: normal;
  margin-bottom: 1rem;
  line-height: 1.2;
}
.solution__lead {
  font-size: 1.0625rem;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
  max-width: 65ch;
}
.solution__block { margin-bottom: 2.5rem; padding-top: 1.5rem; border-top: 1px solid var(--color-border); }
.solution__block-title {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: normal;
  margin-bottom: 0.9rem;
  max-width: 55ch;
}
.solution__block p { color: var(--color-text-muted); max-width: 65ch; }
.solution__block--closing {
  background: var(--color-bg-alt);
  border: none;
  border-radius: var(--radius-md);
  padding: 1.75rem;
}
.solution__block--trust { background: var(--color-bg-alt); border: none; border-radius: var(--radius-md); padding: 1.75rem; }
.solution__trust-closing { font-weight: 600; color: var(--color-text); margin-top: 1.25rem; }
.solution__cta { margin-top: 2.5rem; }

@media (min-width: 1024px) {
  .solution__title { font-size: 2.25rem; }
}

/* ---------- Quote grid (BehaviorSim casos de uso) ---------- */
.quote-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: 1fr;
}
@media (min-width: 768px) {
  .quote-grid { grid-template-columns: repeat(2, 1fr); }
}
.quote-card {
  background: var(--color-bg-alt);
  border-left: 3px solid var(--color-primary);
  border-radius: var(--radius-sm);
  padding: 1.25rem 1.5rem;
}
.quote-card__label {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-primary-text);
  margin-bottom: 0.5rem;
}
.quote-card__text { font-style: italic; color: var(--color-text); }

/* ---------- Trust grid (transparencia BehaviorSim) ---------- */
.trust-grid {
  display: grid;
  gap: 1.5rem;
  margin-top: 1.5rem;
  grid-template-columns: 1fr;
}
@media (min-width: 768px) {
  .trust-grid { grid-template-columns: 1fr 1fr; }
}
.trust-col__title { font-weight: 700; margin-bottom: 0.75rem; }
.trust-col ul { display: flex; flex-direction: column; gap: 0.6rem; }
.trust-col li {
  position: relative;
  padding-left: 1.5rem;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}
.trust-col--yes li::before { content: "✓"; position: absolute; left: 0; color: var(--color-primary-text); font-weight: 700; }
.trust-col--no li::before { content: "✕"; position: absolute; left: 0; color: var(--color-warm-gray); font-weight: 700; }

/* ---------- Feature grid (tipos de agentes) ---------- */
.feature-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: 1fr;
}
@media (min-width: 768px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .feature-grid { grid-template-columns: repeat(3, 1fr); }
}
.feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.35rem;
}
.feature-card h4 { font-size: 1rem; font-weight: 700; margin-bottom: 0.4rem; }
.feature-card p { font-size: 0.9375rem; color: var(--color-text-muted); }

/* =========================================================
   Contacto
   ========================================================= */
.contact-grid {
  display: grid;
  gap: 2.5rem;
  grid-template-columns: 1fr;
}
@media (min-width: 1024px) {
  .contact-grid { grid-template-columns: 0.85fr 1.15fr; }
}

.contact-item { margin-bottom: 1.5rem; }
.contact-item__label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-primary-text);
  margin-bottom: 0.35rem;
}
.contact-item a { color: var(--color-text); font-weight: 600; }
.contact-item a:hover { color: var(--color-primary-text); }

.map-embed {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  margin-top: 1rem;
}
.map-embed iframe { display: block; }

.calendly-embed {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
}
.calendly-embed iframe { display: block; }

.contact-form { max-width: 560px; }
.form-row { margin-bottom: 1.1rem; }
.form-row--split {
  display: grid;
  gap: 1.1rem;
  grid-template-columns: 1fr;
}
@media (min-width: 640px) {
  .form-row--split { grid-template-columns: 1fr 1fr; }
}
.contact-form label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.4rem;
}
.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form input[type="tel"],
.contact-form select,
.contact-form textarea {
  width: 100%;
  min-height: 44px;
  padding: 0.65rem 0.9rem;
  font-family: var(--font-base);
  font-size: 0.9375rem;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition);
}
.contact-form textarea { min-height: 110px; resize: vertical; }
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}
.contact-form input.is-invalid,
.contact-form select.is-invalid,
.contact-form textarea.is-invalid {
  border-color: var(--color-state-error);
}
.form-error {
  display: block;
  font-size: 0.8125rem;
  color: var(--color-state-error);
  margin-top: 0.35rem;
  min-height: 1em;
}
.form-honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.form-row--checkbox { display: flex; flex-direction: column; }
.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--color-text-muted);
}
.checkbox-label input { margin-top: 0.2rem; width: 18px; height: 18px; flex-shrink: 0; }
.checkbox-label a { color: var(--color-primary-text); font-weight: 600; }
.form-status {
  margin-top: 1rem;
  font-size: 0.9375rem;
  font-weight: 600;
  min-height: 1.2em;
}
.form-status.is-success { color: var(--color-state-success); }
.form-status.is-error { color: var(--color-state-error); }

/* =========================================================
   Legal pages
   ========================================================= */
.legal-content h2 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-top: 2.25rem;
  margin-bottom: 0.75rem;
}
.legal-content p, .legal-content li {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}
.legal-content ul { padding-left: 1.25rem; margin-bottom: 1rem; }
.legal-content li { margin-bottom: 0.4rem; }
.legal-content a { color: var(--color-primary-text); font-weight: 600; }

.legal-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0 1.5rem;
  font-size: 0.875rem;
}
.legal-table th, .legal-table td {
  border: 1px solid var(--color-border);
  padding: 0.75rem;
  text-align: left;
  vertical-align: top;
}
.legal-table th { background: var(--color-bg-alt); font-weight: 700; }
.legal-table td { color: var(--color-text-muted); }

/* =========================================================
   Cookie banner
   ========================================================= */
.cookie-banner {
  position: fixed;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  z-index: 200;
  background: var(--color-dark);
  color: #fff;
  border-radius: var(--radius-md);
  padding: 1.25rem;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 560px;
}
.cookie-banner[hidden] { display: none; }
.cookie-banner p { font-size: 0.875rem; color: rgba(255, 255, 255, 0.85); }
.cookie-banner a { color: var(--color-teal); font-weight: 600; }
.cookie-banner__actions { display: flex; gap: 0.75rem; }
.cookie-banner .btn--ghost { color: #fff; border-color: rgba(255, 255, 255, 0.3); }
.cookie-banner .btn--ghost:hover { border-color: #fff; color: #fff; }

/* =========================================================
   WhatsApp float
   ========================================================= */
.whatsapp-float {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 150;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25D366;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition);
}
.whatsapp-float:hover { transform: scale(1.06); }

/* =========================================================
   404
   ========================================================= */
.not-found { padding: 6rem 0; }
.not-found .btn { margin-top: 1rem; }
.not-found__icon { width: 140px; height: 140px; margin: 0 auto 1.5rem; opacity: 0.85; }

/* =========================================================
   Reduced motion — desactiva el sistema visual "bold" completo
   ========================================================= */
@media (prefers-reduced-motion: reduce) {
  .hero__octopus,
  .hero__octopus path,
  .btn--primary::after,
  .category-card,
  .category-card::after,
  .lang-switch__thumb,
  .theme-toggle__icon,
  body,
  .reveal,
  .hero__inner .eyebrow,
  .hero__title,
  .hero__subtitle,
  .hero__actions,
  .hero__actions .btn--primary {
    animation: none !important;
    transition-duration: 0.01ms !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
  .hero__inner .eyebrow,
  .hero__title,
  .hero__subtitle,
  .hero__actions {
    opacity: 1;
    transform: none;
  }
  .hero__octopus path {
    stroke: none;
    fill: var(--color-accent);
    fill-opacity: 0.18;
  }
  .hero__octopus {
    filter: drop-shadow(0 0 22px var(--octopus-cyc-glow));
  }
}