/* =======================================================================
   Purple AI — Agentes de IA a la medida (página dedicada)
   Page-scoped: .page-ai. Reusa tokens globales + reveal system.
   Variaciones vs otras páginas:
   — Comparativa 2 columnas (genérica vs medida) — layout único
   — Sección "Gobierno de datos" con tratamiento visual destacado
   — Servicios como filas horizontales con número grande de índice
   — Stack con 4 grupos en grid 2×2
   ======================================================================= */

.page-ai {
  --ai-accent: var(--color-accent-bright);
  --ai-accent-deep: var(--color-accent);
  --ai-card-bg: linear-gradient(165deg, rgba(18, 18, 22, 0.62) 0%, rgba(8, 8, 11, 0.94) 100%);
  --ai-card-border: rgba(255, 255, 255, 0.11);
  --ai-card-border-strong: rgba(255, 255, 255, 0.17);
  --ai-elev: 0 1px 0 rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  --ai-elev-hover:
    inset 0 1px 0 rgba(255, 255, 255, 0.07),
    0 12px 40px rgba(0, 0, 0, 0.45),
    0 0 0 1px color-mix(in srgb, var(--color-accent) 22%, transparent);
  --ai-ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ——— Reveal staggers ——— */
html.reveal-enabled .page-ai .reveal {
  --reveal-delay: 0s;
}

.page-ai .ai-hero__inner > .reveal:nth-child(1) { --reveal-delay: 0s; }
.page-ai .ai-hero__inner > .reveal:nth-child(2) { --reveal-delay: 0.08s; }
.page-ai .ai-hero__inner > .reveal:nth-child(3) { --reveal-delay: 0.16s; }
.page-ai .ai-hero__inner > .reveal:nth-child(4) { --reveal-delay: 0.24s; }

.page-ai .ai-diff__header > .reveal:nth-child(1) { --reveal-delay: 0s; }
.page-ai .ai-diff__header > .reveal:nth-child(2) { --reveal-delay: 0.07s; }
.page-ai .ai-diff__header > .reveal:nth-child(3) { --reveal-delay: 0.14s; }
.page-ai .ai-compare > .reveal:nth-child(1) { --reveal-delay: 0.04s; }
.page-ai .ai-compare > .reveal:nth-child(2) { --reveal-delay: 0.14s; }

.page-ai .ai-services__header > .reveal:nth-child(1) { --reveal-delay: 0s; }
.page-ai .ai-services__header > .reveal:nth-child(2) { --reveal-delay: 0.07s; }
.page-ai .ai-services__header > .reveal:nth-child(3) { --reveal-delay: 0.14s; }
.page-ai .ai-services__list .ai-service.reveal:nth-child(1) { --reveal-delay: 0.04s; }
.page-ai .ai-services__list .ai-service.reveal:nth-child(2) { --reveal-delay: 0.1s; }
.page-ai .ai-services__list .ai-service.reveal:nth-child(3) { --reveal-delay: 0.16s; }

.page-ai .ai-gov__header > .reveal:nth-child(1) { --reveal-delay: 0s; }
.page-ai .ai-gov__header > .reveal:nth-child(2) { --reveal-delay: 0.07s; }
.page-ai .ai-gov__header > .reveal:nth-child(3) { --reveal-delay: 0.14s; }
.page-ai .ai-gov__pillars .ai-gov-pillar.reveal:nth-child(1) { --reveal-delay: 0.04s; }
.page-ai .ai-gov__pillars .ai-gov-pillar.reveal:nth-child(2) { --reveal-delay: 0.12s; }
.page-ai .ai-gov__pillars .ai-gov-pillar.reveal:nth-child(3) { --reveal-delay: 0.2s; }

.page-ai .ai-cases__header > .reveal:nth-child(1) { --reveal-delay: 0s; }
.page-ai .ai-cases__header > .reveal:nth-child(2) { --reveal-delay: 0.07s; }
.page-ai .ai-cases__grid .ai-case.reveal:nth-child(1) { --reveal-delay: 0.04s; }
.page-ai .ai-cases__grid .ai-case.reveal:nth-child(2) { --reveal-delay: 0.12s; }
.page-ai .ai-cases__grid .ai-case.reveal:nth-child(3) { --reveal-delay: 0.2s; }
.page-ai .ai-cases__grid .ai-case.reveal:nth-child(4) { --reveal-delay: 0.28s; }

.page-ai .ai-stack__header > .reveal:nth-child(1) { --reveal-delay: 0s; }
.page-ai .ai-stack__header > .reveal:nth-child(2) { --reveal-delay: 0.07s; }
.page-ai .ai-stack__groups .ai-stack-group.reveal:nth-child(1) { --reveal-delay: 0.04s; }
.page-ai .ai-stack__groups .ai-stack-group.reveal:nth-child(2) { --reveal-delay: 0.12s; }
.page-ai .ai-stack__groups .ai-stack-group.reveal:nth-child(3) { --reveal-delay: 0.2s; }
.page-ai .ai-stack__groups .ai-stack-group.reveal:nth-child(4) { --reveal-delay: 0.28s; }

.page-ai .ai-proof__header > .reveal:nth-child(1) { --reveal-delay: 0s; }
.page-ai .ai-proof__header > .reveal:nth-child(2) { --reveal-delay: 0.07s; }
.page-ai .ai-proof__metrics .ai-metric.reveal:nth-child(1) { --reveal-delay: 0.04s; }
.page-ai .ai-proof__metrics .ai-metric.reveal:nth-child(2) { --reveal-delay: 0.12s; }
.page-ai .ai-proof__metrics .ai-metric.reveal:nth-child(3) { --reveal-delay: 0.2s; }
.page-ai .ai-quote.reveal { --reveal-delay: 0.3s; }

.page-ai .ai-faq__header > .reveal:nth-child(1) { --reveal-delay: 0s; }
.page-ai .ai-faq__header > .reveal:nth-child(2) { --reveal-delay: 0.07s; }

/* ==========================================================================
   Shared Utilities
   ========================================================================== */

.ai-eyebrow {
  display: block;
  font-family: var(--font-ui);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ai-accent);
  margin-bottom: 16px;
}

.ai-section-title {
  font-family: var(--font-display);
  font-size: clamp(26px, 3.5vw, 44px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: #fff;
  margin: 0 0 20px;
  text-wrap: balance;
}

.ai-section-lede {
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.55);
  max-width: 64ch;
  margin: 0;
}

.ai-accent {
  color: var(--ai-accent);
}

/* ==========================================================================
   01 — HERO
   ========================================================================== */

.ai-hero {
  position: relative;
  padding: clamp(120px, 14vw, 180px) 0 clamp(72px, 9vw, 112px);
  overflow: hidden;
}

.ai-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 45% at 50% 0%, rgba(120, 60, 220, 0.12) 0%, transparent 70%),
    radial-gradient(ellipse 50% 35% at 80% 60%, rgba(80, 40, 160, 0.07) 0%, transparent 60%);
  pointer-events: none;
}

.ai-hero__inner {
  position: relative;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0;
}

.ai-hero__title {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 68px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: #fff;
  margin: 0 0 24px;
  text-wrap: balance;
  max-width: 18ch;
}

.ai-hero__lede {
  font-size: clamp(16px, 1.7vw, 18.5px);
  line-height: 1.72;
  color: rgba(255, 255, 255, 0.55);
  max-width: 60ch;
  margin: 0 0 40px;
}

.ai-hero__cta-row {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.ai-cta-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.ai-cta-primary__arrow {
  display: inline-block;
  transition: transform 0.32s var(--ai-ease);
}

@media (hover: hover) and (pointer: fine) {
  .ai-cta-primary:hover .ai-cta-primary__arrow {
    transform: translateX(4px);
  }
}

.ai-cta-secondary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-ui);
  font-size: 14px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.52);
  text-decoration: none;
  transition: color 0.28s var(--ai-ease);
}

.ai-cta-secondary__arrow {
  display: inline-block;
  transition: transform 0.32s var(--ai-ease);
}

@media (hover: hover) and (pointer: fine) {
  .ai-cta-secondary:hover {
    color: rgba(255, 255, 255, 0.85);
  }

  .ai-cta-secondary:hover .ai-cta-secondary__arrow {
    transform: translateY(3px);
  }
}

/* ==========================================================================
   02 — DIFERENCIACIÓN / COMPARATIVA
   Visual única: dos columnas lado a lado, genérica vs medida
   ========================================================================== */

.ai-diff {
  padding: clamp(72px, 9vw, 120px) 0;
  border-top: 1px solid var(--ai-card-border);
}

.ai-diff__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.ai-diff__header {
  max-width: 64ch;
  margin-bottom: 56px;
}

.ai-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 48px;
}

.ai-compare__col {
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  position: relative;
  overflow: hidden;
}

.ai-compare__col--generic {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.ai-compare__col--custom {
  background: linear-gradient(145deg, rgba(108, 50, 200, 0.12) 0%, rgba(80, 20, 160, 0.06) 100%);
  border: 1px solid rgba(108, 50, 200, 0.35);
  box-shadow: 0 0 0 1px rgba(120, 60, 220, 0.08) inset;
}

.ai-compare__col--custom::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(120, 60, 220, 0.6), transparent);
}

.ai-compare__head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}

.ai-compare__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
}

.ai-compare__badge--generic {
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.ai-compare__badge--custom {
  background: color-mix(in srgb, var(--ai-accent) 18%, transparent);
  color: var(--ai-accent);
  border: 1px solid color-mix(in srgb, var(--ai-accent) 35%, transparent);
}

.ai-compare__label {
  font-family: var(--font-display);
  font-size: clamp(14px, 1.4vw, 17px);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: rgba(255, 255, 255, 0.7);
  margin: 0;
}

.ai-compare__col--custom .ai-compare__label {
  color: #fff;
}

.ai-compare__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.ai-compare__list li {
  font-size: clamp(13px, 1.3vw, 15px);
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.4);
  padding-left: 18px;
  position: relative;
}

.ai-compare__list li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: rgba(255, 255, 255, 0.18);
  font-size: 11px;
  top: 3px;
}

.ai-compare__col--custom .ai-compare__list li {
  color: rgba(255, 255, 255, 0.72);
}

.ai-compare__col--custom .ai-compare__list li::before {
  content: "✓";
  color: var(--ai-accent);
  font-size: 12px;
  top: 1px;
}

.ai-diff__close {
  font-size: clamp(14px, 1.45vw, 16px);
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.45);
  border-left: 2px solid color-mix(in srgb, var(--ai-accent) 40%, transparent);
  padding-left: 18px;
  max-width: 72ch;
  font-style: italic;
}

@media (max-width: 640px) {
  .ai-compare {
    grid-template-columns: 1fr;
  }

  .ai-compare__col {
    padding: 24px 20px;
  }
}

/* ==========================================================================
   03 — SERVICIOS: filas horizontales con número de índice grande
   ========================================================================== */

.ai-services {
  padding: clamp(72px, 9vw, 120px) 0;
  border-top: 1px solid var(--ai-card-border);
}

.ai-services__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.ai-services__header {
  max-width: 64ch;
  margin-bottom: 64px;
}

.ai-services__list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.ai-service {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 0 32px;
  padding: 40px 0;
  border-bottom: 1px solid var(--ai-card-border);
  transition: background 0.3s var(--ai-ease);
  position: relative;
}

.ai-service:first-child {
  border-top: 1px solid var(--ai-card-border);
}

.ai-service__num {
  font-family: var(--font-display);
  font-size: 38px;
  font-weight: 700;
  letter-spacing: -0.04em;
  color: rgba(255, 255, 255, 0.07);
  line-height: 1;
  padding-top: 4px;
  transition: color 0.3s var(--ai-ease);
  user-select: none;
}

@media (hover: hover) and (pointer: fine) {
  .ai-service:hover .ai-service__num {
    color: color-mix(in srgb, var(--ai-accent) 30%, transparent);
  }
}

.ai-service__content {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.ai-service__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: color-mix(in srgb, var(--ai-accent) 10%, rgba(255, 255, 255, 0.03));
  border: 1px solid color-mix(in srgb, var(--ai-accent) 22%, rgba(255, 255, 255, 0.08));
  color: var(--ai-accent);
  flex-shrink: 0;
  margin-bottom: 4px;
}

.ai-service__title {
  font-family: var(--font-display);
  font-size: clamp(17px, 1.8vw, 22px);
  font-weight: 650;
  letter-spacing: -0.015em;
  color: #fff;
  margin: 0;
  line-height: 1.25;
}

.ai-service__desc {
  font-size: clamp(14px, 1.4vw, 15.5px);
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.52);
  margin: 0;
  max-width: 72ch;
}

.ai-service__usecases {
  font-size: 13px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.38);
  margin: 0;
}

.ai-service__usecases strong {
  color: rgba(255, 255, 255, 0.5);
  font-weight: 500;
}

.ai-service__chips {
  list-style: none;
  padding: 0;
  margin: 4px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.ai-chip {
  display: inline-block;
  font-family: var(--font-ui);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: rgba(255, 255, 255, 0.55);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 100px;
  padding: 3px 10px;
}

@media (max-width: 600px) {
  .ai-service {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .ai-service__num {
    font-size: 24px;
  }
}

/* ==========================================================================
   04 — GOBIERNO DE DATOS: sección visualmente destacada
   Fondo diferenciado con halo morado — argumento clave de la página
   ========================================================================== */

.ai-gov {
  position: relative;
  padding: clamp(80px, 10vw, 136px) 0;
  overflow: hidden;
  isolation: isolate;
}

.ai-gov::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 50%, rgba(100, 40, 200, 0.11) 0%, transparent 70%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.0) 0%, rgba(100, 40, 200, 0.04) 50%, rgba(255, 255, 255, 0.0) 100%);
  pointer-events: none;
  z-index: -1;
}

.ai-gov::after {
  content: "";
  position: absolute;
  inset: 0;
  border-top: 1px solid color-mix(in srgb, var(--ai-accent) 18%, rgba(255, 255, 255, 0.07));
  border-bottom: 1px solid color-mix(in srgb, var(--ai-accent) 18%, rgba(255, 255, 255, 0.07));
  pointer-events: none;
}

.ai-gov__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.ai-gov__header {
  max-width: 64ch;
  margin-bottom: 64px;
}

.ai-eyebrow--gov {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-ui);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ai-accent);
  padding: 5px 12px;
  border-radius: 100px;
  background: color-mix(in srgb, var(--ai-accent) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--ai-accent) 28%, transparent);
  margin-bottom: 20px;
}

.ai-eyebrow--gov::before {
  content: "★";
  font-size: 10px;
}

.ai-gov__title {
  font-family: var(--font-display);
  font-size: clamp(26px, 3.5vw, 44px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: #fff;
  margin: 0 0 20px;
  text-wrap: balance;
}

.ai-gov__lede {
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.52);
  max-width: 64ch;
  margin: 0;
}

.ai-gov__pillars {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.ai-gov-pillar {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 0 24px;
  align-items: flex-start;
  padding: 28px 32px;
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.035) 0%, rgba(255, 255, 255, 0.01) 100%);
  border: 1px solid rgba(255, 255, 255, 0.09);
  transition: border-color 0.3s var(--ai-ease), background 0.3s var(--ai-ease);
}

@media (hover: hover) and (pointer: fine) {
  .ai-gov-pillar:hover {
    border-color: color-mix(in srgb, var(--ai-accent) 30%, rgba(255, 255, 255, 0.09));
    background: linear-gradient(145deg, rgba(100, 40, 200, 0.08) 0%, rgba(255, 255, 255, 0.02) 100%);
  }
}

.ai-gov-pillar__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: color-mix(in srgb, var(--ai-accent) 12%, rgba(255, 255, 255, 0.04));
  border: 1px solid color-mix(in srgb, var(--ai-accent) 26%, rgba(255, 255, 255, 0.07));
  color: var(--ai-accent);
  flex-shrink: 0;
}

.ai-gov-pillar__body {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.ai-gov-pillar__title {
  font-family: var(--font-display);
  font-size: clamp(15px, 1.5vw, 18px);
  font-weight: 650;
  letter-spacing: -0.01em;
  color: #fff;
  margin: 0;
  padding-top: 2px;
}

.ai-gov-pillar__desc {
  font-size: clamp(13.5px, 1.3vw, 15px);
  line-height: 1.68;
  color: rgba(255, 255, 255, 0.5);
  margin: 0;
}

@media (max-width: 600px) {
  .ai-gov-pillar {
    grid-template-columns: 1fr;
    gap: 14px;
    padding: 20px 18px;
  }
}

/* ==========================================================================
   05 — CASOS DE USO / PARA QUIÉN: grid 2×2
   ========================================================================== */

.ai-cases {
  padding: clamp(72px, 9vw, 120px) 0;
  border-top: 1px solid var(--ai-card-border);
}

.ai-cases__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.ai-cases__header {
  max-width: 70ch;
  margin-bottom: 56px;
}

.ai-cases__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.ai-case {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 30px 28px;
  border-radius: var(--radius-lg);
  background: var(--ai-card-bg);
  border: 1px solid var(--ai-card-border);
  box-shadow: var(--ai-elev);
  transition:
    border-color 0.3s var(--ai-ease),
    box-shadow 0.3s var(--ai-ease);
}

@media (hover: hover) and (pointer: fine) {
  .ai-case:hover {
    border-color: var(--ai-card-border-strong);
    box-shadow: var(--ai-elev-hover);
  }
}

.ai-case__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: color-mix(in srgb, var(--ai-accent) 8%, rgba(255, 255, 255, 0.03));
  border: 1px solid color-mix(in srgb, var(--ai-accent) 20%, rgba(255, 255, 255, 0.07));
  color: color-mix(in srgb, var(--ai-accent) 80%, rgba(255, 255, 255, 0.6));
  flex-shrink: 0;
}

.ai-case__title {
  font-family: var(--font-display);
  font-size: clamp(15px, 1.5vw, 17px);
  font-weight: 650;
  letter-spacing: -0.01em;
  color: #fff;
  margin: 0;
  line-height: 1.3;
}

.ai-case__desc {
  font-size: clamp(13.5px, 1.3vw, 15px);
  line-height: 1.68;
  color: rgba(255, 255, 255, 0.5);
  margin: 0;
}

@media (max-width: 680px) {
  .ai-cases__grid {
    grid-template-columns: 1fr;
  }

  .ai-case {
    padding: 22px 20px;
  }
}

/* ==========================================================================
   06 — STACK: 4 grupos en 2×2
   ========================================================================== */

.ai-stack {
  padding: clamp(72px, 9vw, 120px) 0;
  border-top: 1px solid var(--ai-card-border);
}

.ai-stack__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.ai-stack__header {
  max-width: 56ch;
  margin-bottom: 56px;
}

.ai-stack__groups {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.ai-stack-group {
  padding: 28px 26px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--ai-card-border);
}

.ai-stack-group__label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-ui);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.38);
  margin: 0 0 16px;
}

.ai-stack-group__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ai-accent);
  flex-shrink: 0;
}

.ai-stack-group__dot--alt {
  background: color-mix(in srgb, var(--ai-accent) 70%, #fff);
}

.ai-stack-group__dot--soft {
  background: color-mix(in srgb, var(--ai-accent) 50%, rgba(255, 255, 255, 0.4));
}

.ai-stack-group__dot--deep {
  background: var(--ai-accent-deep);
}

.ai-stack-group__pills {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.ai-stack-pill {
  display: inline-block;
  font-family: var(--font-ui);
  font-size: 12.5px;
  font-weight: 450;
  color: rgba(255, 255, 255, 0.62);
  background: rgba(255, 255, 255, 0.055);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 8px;
  padding: 5px 11px;
}

@media (max-width: 640px) {
  .ai-stack__groups {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   07 — PRUEBA SOCIAL
   ========================================================================== */

.ai-proof {
  padding: clamp(72px, 9vw, 120px) 0;
  border-top: 1px solid var(--ai-card-border);
}

.ai-proof__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.ai-proof__header {
  max-width: 56ch;
  margin-bottom: 56px;
}

.ai-proof__metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 56px;
}

.ai-metric {
  padding: 28px 24px;
  border-radius: var(--radius-lg);
  background: var(--ai-card-bg);
  border: 1px solid var(--ai-card-border);
  box-shadow: var(--ai-elev);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.ai-metric__value {
  font-family: var(--font-display);
  font-size: clamp(34px, 4vw, 52px);
  font-weight: 700;
  letter-spacing: -0.035em;
  color: #fff;
  line-height: 1;
  margin: 0;
}

.ai-metric__sign {
  color: var(--ai-accent);
}

.ai-metric__unit {
  font-size: 0.6em;
  color: var(--ai-accent);
}

.ai-metric__label {
  font-family: var(--font-display);
  font-size: clamp(14px, 1.4vw, 16px);
  font-weight: 600;
  color: rgba(255, 255, 255, 0.8);
  margin: 0;
}

.ai-metric__desc {
  font-size: 13px;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.38);
  margin: 0;
}

.ai-quote {
  position: relative;
  padding: 40px 40px 40px 48px;
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, rgba(100, 40, 200, 0.07) 0%, rgba(255, 255, 255, 0.02) 100%);
  border: 1px solid color-mix(in srgb, var(--ai-accent) 20%, rgba(255, 255, 255, 0.08));
  margin: 0;
}

.ai-quote__mark {
  position: absolute;
  top: 20px;
  left: 22px;
  font-family: var(--font-display);
  font-size: 72px;
  line-height: 1;
  color: color-mix(in srgb, var(--ai-accent) 25%, transparent);
  user-select: none;
  font-style: normal;
}

.ai-quote__text {
  font-size: clamp(15px, 1.55vw, 17px);
  line-height: 1.72;
  color: rgba(255, 255, 255, 0.75);
  margin: 0 0 24px;
  font-style: normal;
}

.ai-quote__caption {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.ai-quote__author {
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.65);
}

.ai-quote__role {
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.32);
}

@media (max-width: 680px) {
  .ai-proof__metrics {
    grid-template-columns: 1fr;
  }

  .ai-quote {
    padding: 28px 24px 28px 30px;
  }

  .ai-quote__mark {
    left: 14px;
    top: 14px;
    font-size: 48px;
  }
}

/* ==========================================================================
   08 — FAQ
   ========================================================================== */

.ai-faq {
  padding: clamp(72px, 9vw, 120px) 0;
  border-top: 1px solid var(--ai-card-border);
}

.ai-faq__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.ai-faq__header {
  max-width: 60ch;
  margin-bottom: 48px;
}

.ai-faq__list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--ai-card-border);
}

.ai-faq-item {
  border-bottom: 1px solid var(--ai-card-border);
}

.ai-faq-item__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 0;
  cursor: pointer;
  list-style: none;
  user-select: none;
  transition: color 0.26s var(--ai-ease);
}

.ai-faq-item__summary::-webkit-details-marker {
  display: none;
}

.ai-faq-item__q {
  font-family: var(--font-display);
  font-size: clamp(14.5px, 1.5vw, 17px);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: rgba(255, 255, 255, 0.78);
  transition: color 0.26s var(--ai-ease);
}

.ai-faq-item[open] .ai-faq-item__q {
  color: #fff;
}

.ai-faq-item__chev {
  flex-shrink: 0;
  color: rgba(255, 255, 255, 0.3);
  transition:
    color 0.26s var(--ai-ease),
    transform 0.3s var(--ai-ease);
}

.ai-faq-item[open] .ai-faq-item__chev {
  color: var(--ai-accent);
  transform: rotate(45deg);
}

.ai-faq-item__answer {
  padding: 0 0 24px;
}

.ai-faq-item__answer p {
  font-size: clamp(14px, 1.4vw, 15.5px);
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.5);
  margin: 0;
}

.ai-faq-item__answer p strong {
  color: rgba(255, 255, 255, 0.72);
  font-weight: 500;
}

/* ==========================================================================
   09 — CTA FINAL
   ========================================================================== */

.ai-cta {
  padding: clamp(72px, 9vw, 120px) 0;
  border-top: 1px solid var(--ai-card-border);
}

.ai-cta__slot {
  position: relative;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.ai-cta__halo {
  position: absolute;
  bottom: -60px;
  left: 50%;
  transform: translateX(-50%);
  width: clamp(320px, 60%, 720px);
  height: 340px;
  background: radial-gradient(ellipse at 50% 100%, rgba(100, 40, 200, 0.22) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.ai-cta__shell {
  position: relative;
  z-index: 1;
  border-radius: var(--radius-xl, 20px);
  background: linear-gradient(165deg, rgba(18, 18, 22, 0.8) 0%, rgba(8, 8, 11, 0.96) 100%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.06);
  overflow: hidden;
}

.ai-cta__shell::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(120, 60, 220, 0.5), transparent);
}

.ai-cta__inner {
  padding: clamp(40px, 6vw, 72px) clamp(28px, 5vw, 64px);
  display: flex;
  flex-direction: column;
  gap: 0;
}

.ai-cta__title {
  font-family: var(--font-display);
  font-size: clamp(24px, 3.2vw, 42px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: #fff;
  margin: 0 0 16px;
  text-wrap: balance;
}

.ai-cta__lede {
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.5);
  margin: 0 0 40px;
  max-width: 64ch;
}

.ai-cta__form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 560px;
}

.ai-cta__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.ai-cta__field {
  display: flex;
  flex-direction: column;
}

.ai-cta__field--full {
  grid-column: 1 / -1;
}

.ai-cta__input {
  width: 100%;
  padding: 13px 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  color: rgba(255, 255, 255, 0.85);
  font-family: var(--font-ui);
  font-size: 14px;
  line-height: 1.5;
  outline: none;
  transition: border-color 0.24s var(--ai-ease), background 0.24s var(--ai-ease);
  -webkit-appearance: none;
  box-sizing: border-box;
}

.ai-cta__input::placeholder {
  color: rgba(255, 255, 255, 0.26);
}

.ai-cta__input:focus {
  border-color: color-mix(in srgb, var(--ai-accent) 55%, transparent);
  background: rgba(255, 255, 255, 0.06);
}

.ai-cta__input--area {
  resize: vertical;
  min-height: 90px;
}

.ai-cta__submit {
  width: fit-content;
  margin-top: 4px;
}

.ai-cta__microcopy {
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.3);
  margin: 2px 0 0;
  line-height: 1.5;
}

.ai-cta__microcopy strong {
  color: rgba(255, 255, 255, 0.48);
  font-weight: 500;
}

@media (max-width: 560px) {
  .ai-cta__row {
    grid-template-columns: 1fr;
  }

  .ai-cta__inner {
    padding: 28px 20px;
  }
}

/* ==========================================================================
   Reduced-motion
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
  .ai-cta-primary__arrow,
  .ai-cta-secondary__arrow,
  .ai-faq-item__chev {
    transition: none;
  }
}