:root {
  color-scheme: light;

  /* Layout */
  --wrap: max(min(1200px, 92vw), 320px);
  --header-height: 76px;

  /* Border Radius - Unificados */
  --radius-sm: 10px;
  --radius: 14px;
  --radius-lg: 18px;
  --radius-pill: 999px;

  /* Easing */
  --ease: cubic-bezier(.22, .61, .36, 1);

  /* Tipografía */
  --font-ui: 'Plus Jakarta Sans', 'Poppins', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  --font-head: 'Manrope', 'Plus Jakarta Sans', 'Poppins', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  
  --size-0: clamp(.9rem, .86rem + .12vw, .96rem);
  --size-1: clamp(1rem, .96rem + .22vw, 1.08rem);
  --size-2: clamp(1.14rem, 1.02rem + .50vw, 1.32rem);
  --size-3: clamp(1.5rem, 1.2rem + 1.28vw, 2.08rem);
  --size-4: clamp(2.2rem, 1.7rem + 2.3vw, 3.2rem);

  /* Colores */
  --bg: #f6f8fc;
  --bg-2: #f0f3f9;
  --panel: #fff;
  --card: #fff;
  --ink: #13233c;
  --ink-2: #566681;
  --ink-3: #8a96ad;
  --line: rgba(19, 35, 60, .12);
  --primary: #2656f0;
  --accent: #12b0b4;

  /* Gradientes */
  --grad-strong: linear-gradient(135deg, #2656f0 0%, #3e73ff 60%, #12b0b4 100%);
  --grad-soft: linear-gradient(135deg, rgba(38, 86, 240, .06) 0%, rgba(18, 176, 180, .06) 100%);

  /* Sombras - Unificadas */
  --shadow-xs: 0 1px 2px rgba(15, 25, 55, .06), 0 1px 1px rgba(15, 25, 55, .04);
  --shadow-sm: 0 8px 22px rgba(15, 25, 55, .10);
  --shadow: 0 26px 80px rgba(15, 25, 55, .14);
  --shadow-primary: 0 14px 34px rgba(38, 86, 240, .22);

  /* Focus ring - Consistente en todo el sitio */
  --focus-ring: 0 0 0 3px rgba(38, 86, 240, .24), 0 0 0 6px rgba(38, 86, 240, .10);

  /* Safe areas */
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);

  /* Burger (móvil) */
  --burger-size: 44px;
  --burger-color: #0b1d33;
}

/* ================================================================
   2. RESET & BASE
   ================================================================ */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font: var(--size-1)/1.62 var(--font-ui);
  letter-spacing: .1px;
  color: var(--ink);
  background:
    radial-gradient(880px 560px at -12% -14%, rgba(38, 86, 240, .04), transparent 60%),
    radial-gradient(780px 520px at 112% -10%, rgba(18, 176, 180, .04), transparent 60%),
    #f9fbff;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-feature-settings: "cv02", "cv03", "cv04", "cv09", "ss01", "ss02", "case", "tnum", "liga";
}

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

a {
  color: inherit;
  text-decoration: none;
}

h1, h2, h3, h4 {
  margin: 0 0 .5rem;
  font-family: var(--font-head);
  letter-spacing: .2px;
  color: var(--ink);
}

h1 {
  font-weight: 800;
  font-size: var(--size-4);
  line-height: 1.12;
}

h2 {
  font-weight: 800;
  font-size: var(--size-3);
}

h3 {
  font-weight: 700;
  font-size: var(--size-2);
}

/* ================================================================
   3. LAYOUT
   ================================================================ */
.wrap {
  width: var(--wrap);
  margin-inline: auto;
  padding-inline: clamp(10px, 2vw, 16px);
}

/* ================================================================
   4. COMPONENTES
   ================================================================ */

/* --- Header --- */
.hd {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--header-height);
  z-index: 1000;
  display: grid;
  align-items: center;
  background: color-mix(in oklab, var(--panel) 92%, transparent);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px) saturate(1.02);
  padding-top: max(0px, var(--safe-top));
  transition: background .25s var(--ease), box-shadow .25s var(--ease), border-color .25s var(--ease);
}

@supports not (backdrop-filter: blur(10px)) {
  .hd { background: var(--panel); }
}

.hd.scrolled {
  background: var(--panel);
  box-shadow: 0 14px 30px rgba(12, 28, 70, .08);
  border-bottom-color: rgba(242, 242, 245, .16);
}

.hd .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

/* --- Brand / Logo --- */
.brand {
  display: flex;
  align-items: center;
  gap: .6rem;
  font-weight: 800;
  color: var(--ink);
}

.brand img,
.ft img {
  width: 56px;
  height: 56px;
  object-fit: cover;
  clip-path: circle(50% at 50% 50%);
  box-shadow: 0 6px 16px rgba(0, 0, 0, .06);
  transition: transform .4s var(--ease);
}

.brand:hover img {
  transform: translateY(-3px) scale(1.02);
}

/* Brand text con gradiente en "AI" */
.brand-name {
  font-weight: 800;
  letter-spacing: .2px;
}

.brand-name .ai {
  display: inline-block;
  position: relative;
  background-image: linear-gradient(90deg, #0d47a1 0%, #1fa2ff 50%, #00d4ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.brand:hover .ai {
  filter: drop-shadow(0 0 8px rgba(31, 162, 255, .35));
}

.brand-name .ai::after {
  content: "";
  position: absolute;
  left: 8%;
  right: 8%;
  bottom: -.12em;
  height: .18em;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, rgba(31, 162, 255, 0) 0%, rgba(31, 162, 255, .55) 40%, rgba(0, 212, 255, .55) 100%);
  transform-origin: left center;
  transform: scaleX(0);
  transition: transform .35s var(--ease);
}

.brand:hover .ai::after {
  transform: scaleX(1);
}

/* --- Navegación --- */
.nav {
  display: flex;
  gap: 22px;
  align-items: center;
}

.nav-item {
  position: relative;
}

.nav-link {
  background: transparent;
  border: 0;
  cursor: pointer;
  font: inherit;
  color: color-mix(in oklab, var(--ink) 82%, var(--ink-3));
  padding: .54rem .76rem;
  display: inline-flex;
  align-items: center;
  gap: .42rem;
  border-radius: var(--radius-sm);
  transition: color .16s var(--ease), background .16s var(--ease);
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--primary);
  background: rgba(38, 86, 240, .10);
}

.nav-link .chev {
  font-size: .9em;
  transform: translateY(1px);
  opacity: .85;
}

/* --- Mega Menu --- */
.has-mega::after {
  content: "";
  position: absolute;
  left: -12px;
  right: -12px;
  top: 100%;
  height: 16px;
}

.mega {
  position: fixed;
  left: 0;
  right: 0;
  top: var(--header-height);
  display: none;
  opacity: 0;
  pointer-events: none;
  z-index: 999;
  transition: opacity .14s var(--ease);
}

.mega-inner {
  background: linear-gradient(180deg, rgba(255, 255, 255, .97), rgba(255, 255, 255, .98)), var(--grad-soft);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.mega-wrap {
  width: var(--wrap);
  margin-inline: auto;
  padding: 22px 0;
  display: grid;
  gap: 26px;
  grid-template-columns: repeat(3, minmax(240px, 1fr));
}

.mega h4 {
  margin: .2rem 0 .6rem;
  font-weight: 800;
  color: var(--ink);
}

.mega-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.mega-list a {
  color: var(--ink-2);
  padding: .52rem .66rem;
  border-radius: var(--radius-sm);
  display: inline-block;
  transition: background .14s var(--ease), transform .14s var(--ease), color .14s var(--ease);
}

.mega-list a:hover,
.mega-list a:focus-visible {
  color: var(--ink);
  transform: translateX(2px);
  background: linear-gradient(90deg, rgba(38, 86, 240, .12), rgba(18, 176, 180, .1));
}

.mega-callout {
  border-left: 1px dashed rgba(38, 86, 240, .28);
  padding-left: 18px;
  color: var(--ink-2);
}

@media (hover: hover) {
  .has-mega:hover > .mega,
  .has-mega:focus-within > .mega,
  .has-mega:has(.mega:hover) > .mega {
    display: block;
    opacity: 1;
    pointer-events: auto;
  }
}

/* --- Botones --- 
   Unificados: .btn y .btn-primary comparten base */
.btn,
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  background: var(--grad-strong);
  color: #fff;
  font: 800 var(--size-1)/1 var(--font-head);
  letter-spacing: .2px;
  border: 0;
  padding: .84rem 1.12rem;
  border-radius: 12px;
  box-shadow: var(--shadow-primary);
  cursor: pointer;
  transition: transform .16s var(--ease), box-shadow .16s var(--ease), filter .16s var(--ease);
}

.btn:hover,
.btn-primary:hover {
  transform: translateY(-2px);
  filter: brightness(1.04);
  box-shadow: 0 22px 52px rgba(38, 86, 240, .28);
}

.btn:active,
.btn-primary:active {
  transform: translateY(0) scale(.99);
}

.btn:disabled,
.btn-primary:disabled {
  opacity: .65;
  cursor: not-allowed;
  box-shadow: none;
}

.btn-sm {
  padding: .58rem 1rem;
  font-size: .92rem;
  border: 0;
  border-radius: var(--radius-pill);
  color: #fff;
  background: var(--primary);
  font-weight: 800;
  box-shadow: 0 12px 28px rgba(38, 86, 240, .22);
}

/* Ripple effect */
.ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, .6);
  transform: scale(0);
  animation: ripple .6s ease-out forwards;
  pointer-events: none;
}

@keyframes ripple {
  to {
    transform: scale(2.2);
    opacity: 0;
  }
}

/* --- Burger (móvil) --- 
   Implementación única con CSS puro */
.burger {
  display: none;
  inline-size: var(--burger-size);
  block-size: var(--burger-size);
  place-items: center;
  border: 0;
  background: transparent;
  border-radius: 12px;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  position: relative;
}

.burger--css .bar,
.burger--css::before,
.burger--css::after {
  content: "";
  position: absolute;
  left: 11px;
  right: 11px;
  height: 2.5px;
  border-radius: 2px;
  background: var(--burger-color);
  transition: transform .24s var(--ease), top .24s var(--ease), opacity .18s;
}

.burger--css::before { top: 13px; }
.burger--css .bar { top: 21px; }
.burger--css::after { top: 29px; }

/* Estado abierto */
html.menu-open .burger--css::before {
  top: 21px;
  transform: rotate(45deg);
}

html.menu-open .burger--css::after {
  top: 21px;
  transform: rotate(-45deg);
}

html.menu-open .burger--css .bar {
  opacity: 0;
}

/* --- Hero --- */
.hero {
  position: relative;
  min-height: calc(100vh + 1px);
  padding-top: var(--header-height);
  display: grid;
  place-items: center;
  text-align: center;
  overflow: hidden;
  isolation: isolate;
}

.hero-media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(.98) contrast(1.06) saturate(1.04);
  backface-visibility: hidden;
  transform: translateZ(0);
  will-change: transform;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(1200px 700px at 50% 45%, rgba(0, 10, 25, .10), transparent 60%),
    linear-gradient(180deg, rgba(5, 12, 26, .06) 0%, rgba(5, 12, 26, .04) 40%, rgba(5, 12, 26, .10) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  color: #fff;
  text-shadow: 0 1px 10px rgba(0, 0, 0, .26);
  padding-block: clamp(24px, 6vh, 64px);
  transform: translate(var(--tx, 0), var(--ty, 0));
}

.hero h1 {
  font-weight: 800;
  color: #fff;
  margin: 0 0 12px;
  line-height: 1.12;
  letter-spacing: .3px;
  text-shadow: 0 2px 14px rgba(93, 188, 223, 0.88), 0 1px 0 rgba(239, 239, 239, 0.6);
}

.hero p {
  max-width: 900px;
  margin: 0 auto 22px;
  color: rgba(255, 255, 255, .92);
  line-height: 1.86;
  font-size: var(--size-1);
}

/* Hero buttons */
.hero .btn,
.hero .btn-primary {
  box-shadow: 0 16px 38px rgba(38, 86, 240, .30);
}

.hero .btn-primary {
  position: relative;
  border-radius: 12px;
  color: #fff;
  background: linear-gradient(180deg, #2450D4 0%, #1E3FC2 100%);
  border: 1px solid rgba(255, 255, 255, .10);
  box-shadow: 0 8px 18px rgba(0, 0, 0, .18);
  text-shadow: none;
  padding-inline: 18px;
}

.hero .btn-primary:hover {
  transform: translateY(-1px);
  filter: brightness(1.02);
  box-shadow: 0 12px 26px rgba(0, 0, 0, .22);
}

.hero .btn-primary:active {
  transform: translateY(0) scale(.995);
  box-shadow: 0 8px 18px rgba(0, 0, 0, .18);
}

/* Hero - Botón Demo (estilo HUD/ML) */
.hero .cta-row a[href$="demo2.html"] {
  --hud-bg: rgba(12, 18, 40, .55);
  --hud-border-1: rgba(31, 162, 255, .80);
  --hud-border-2: rgba(0, 212, 255, .65);
  --hud-grid: rgba(200, 230, 255, .08);
  --hud-text: #e9f3ff;
  
  position: relative;
  color: var(--hud-text);
  border-radius: var(--radius);
  padding-inline: 22px;
  border: 1px solid rgba(255, 255, 255, .10);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, .06), rgba(255, 255, 255, .02)),
    repeating-linear-gradient(90deg, transparent 0 10px, var(--hud-grid) 10px 11px),
    repeating-linear-gradient(0deg, transparent 0 10px, var(--hud-grid) 10px 11px),
    var(--hud-bg);
  backdrop-filter: blur(8px) saturate(1.06);
  box-shadow: 0 10px 28px rgba(0, 0, 0, .35), inset 0 0 0 1px rgba(255, 255, 255, .06);
  overflow: hidden;
  text-shadow: 0 1px 0 rgba(0, 0, 0, .32);
  transition: transform .16s var(--ease), box-shadow .16s var(--ease);
}

.hero .cta-row a[href$="demo2.html"]::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1.5px;
  background: linear-gradient(135deg, var(--hud-border-1), var(--hud-border-2));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: .85;
  pointer-events: none;
  filter: drop-shadow(0 0 10px rgba(31, 162, 255, .28));
}

.hero .cta-row a[href$="demo2.html"] .hud {
  pointer-events: none;
  position: absolute;
  inset: 0;
  opacity: .7;
  background:
    radial-gradient(200% 140% at 10% -10%, rgba(31, 162, 255, .18), transparent 60%),
    radial-gradient(180% 120% at 110% 10%, rgba(0, 212, 255, .16), transparent 60%);
}

.hero .cta-row a[href$="demo2.html"] .progress {
  position: absolute;
  left: 10px;
  right: 10px;
  bottom: 8px;
  height: 3px;
  border-radius: 3px;
  overflow: hidden;
  background: rgba(255, 255, 255, .08);
}

.hero .cta-row a[href$="demo2.html"] .progress::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 36%;
  background: linear-gradient(90deg, var(--hud-border-1), var(--hud-border-2));
  animation: demoLoad 4.6s var(--ease) infinite;
  box-shadow: 0 0 14px rgba(31, 162, 255, .45);
}

.hero .cta-row a[href$="demo2.html"] .play {
  display: inline-block;
  width: 0;
  height: 0;
  border-left: 10px solid var(--hud-text);
  border-top: 7px solid transparent;
  border-bottom: 7px solid transparent;
  margin-right: .4rem;
  filter: drop-shadow(0 0 6px rgba(31, 162, 255, .5));
  transform: translateY(1px);
  animation: playPulse 2.4s ease-in-out infinite;
}

.hero .cta-row a[href$="demo2.html"] .label {
  font-weight: 800;
  letter-spacing: .2px;
}

.hero .cta-row a[href$="demo2.html"] .tag {
  margin-left: .6rem;
  font-size: .78em;
  font-weight: 800;
  color: #0ce6ff;
  background: rgba(12, 230, 255, .12);
  border: 1px solid rgba(12, 230, 255, .35);
  padding: .2rem .45rem;
  border-radius: var(--radius-pill);
  text-shadow: none;
}

.hero .cta-row a[href$="demo2.html"]:hover {
  transform: translateY(-3px) scale(1.01);
  box-shadow: 0 16px 40px rgba(0, 0, 0, .42), inset 0 0 0 1px rgba(255, 255, 255, .08);
}

.hero .cta-row a[href$="demo2.html"]:active {
  transform: translateY(-1px) scale(.997);
}

/* CTA Row */
.cta-row {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 14px;
}

/* Badges */
.badges {
  list-style: none;
  display: flex;
  gap: 10px;
  justify-content: center;
  padding: 0;
  margin: 18px 0 0;
  flex-wrap: wrap;
}

.badges li {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .56rem .96rem;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, .92);
  border: 1px solid rgba(255, 255, 255, .68);
  backdrop-filter: blur(6px);
  color: #14243d;
  box-shadow: 0 6px 18px rgba(5, 12, 26, .15);
  font-weight: 700;
  letter-spacing: .1px;
}

/* Animaciones Hero */
.hero :is(h1, p, .cta-row, .badges) {
  animation: fadeUp .6s var(--ease) both;
}

.hero .btn.btn-primary:hover {
  animation: softPulse 1.2s var(--ease) both;
}

/* --- Secciones --- */
.section {
  padding: clamp(60px, 6vw, 100px) 0;
  background: var(--bg);
}

.section.alt {
  background: var(--bg-2);
}

.section-head {
  text-align: center;
  margin: 0 0 22px;
}

.section-head h2 {
  display: inline-block;
  position: relative;
}

.accent-underline {
  background: linear-gradient(90deg, rgba(38, 86, 240, .18), rgba(18, 176, 180, .18));
  border-radius: 6px;
  padding: 0 .25rem;
}

.lead {
  color: var(--ink-2);
  max-width: 920px;
  margin: 10px auto 28px;
  line-height: 1.85;
  font-size: var(--size-1);
}

/* --- Grids --- */
.grid {
  display: grid;
  gap: 24px;
}

.grid-3 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid-5 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.grid-6 { grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); }

/* --- Cards --- */
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  color: var(--ink);
  box-shadow: var(--shadow-xs);
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease);
  transform: perspective(800px) rotateX(var(--rx, 0)) rotateY(var(--ry, 0));
  transform-style: preserve-3d;
}

.card:hover {
  transform: translateY(-3px) perspective(800px) rotateX(var(--rx, 0)) rotateY(var(--ry, 0));
  box-shadow: var(--shadow);
  border-color: color-mix(in oklab, var(--primary) 18%, var(--line));
}

.card img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}

.card h3 {
  margin: 1rem 1rem .35rem;
  font-size: 1.05rem;
  color: var(--ink);
  font-family: var(--font-head);
  font-weight: 700;
  letter-spacing: .2px;
}

.card p {
  margin: 0 1rem 1.05rem;
  color: var(--ink-2);
  line-height: 1.72;
}

/* --- Cards Flip --- */
.card.flip {
  position: relative;
  perspective: 1200px;
  overflow: visible;
  height: clamp(220px, 36vw, 320px);
}

.card.flip .card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transition: transform .6s var(--ease);
}

.card.flip:hover .card-inner,
.card.flip:focus-within .card-inner,
.card.flip.is-flipped .card-inner {
  transform: rotateY(180deg);
}

.card.flip .card-face {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  border-radius: var(--radius);
  overflow: hidden;
  display: grid;
  align-content: start;
  background: var(--card);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-xs);
}

.card.flip .front img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}

.card.flip .front h3 {
  margin: 1rem 1rem 1.1rem;
  font-size: 1.05rem;
}

.card.flip .back {
  transform: rotateY(180deg);
  padding: 1rem 1rem 1.1rem;
}

.card.flip .back h3 {
  margin: 0 0 .4rem;
  font-size: 1.05rem;
}

.card.flip .back p {
  margin: 0;
  color: var(--ink-2);
  line-height: 1.7;
}

/* Plataforma: Cards flip full-image */
#plataforma .card.flip {
  overflow: hidden;
  height: clamp(220px, 26vw, 260px);
}

#plataforma .card.flip .card-face {
  background: transparent;
}

#plataforma .card.flip .front {
  position: relative;
  padding: 0;
  display: block;
  height: 100%;
}

#plataforma .card.flip .front img {
  position: static !important;
  display: block !important;
  width: 100% !important;
  height: 100% !important;
  min-height: 100%;
  object-fit: cover !important;
  aspect-ratio: auto !important;
}

#plataforma .card.flip .front h3 {
  position: absolute;
  left: 12px;
  bottom: 12px;
  margin: 0;
  padding: .46rem .72rem;
  font-size: .98rem;
  line-height: 1;
  font-weight: 800;
  color: #14243d;
  background: rgba(255, 255, 255, .96);
  border: 1px solid rgba(12, 28, 70, .12);
  border-radius: 12px;
  box-shadow: 0 8px 18px rgba(12, 28, 70, .14);
  backdrop-filter: blur(4px);
}

/* --- Chips --- */
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 14px;
  justify-content: center;
  align-items: center;
  padding: 10px 0 2px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .62rem 1.08rem;
  border-radius: var(--radius-pill);
  font-weight: 800;
  letter-spacing: .1px;
  color: var(--ink);
  background: #fff;
  border: 1px solid color-mix(in oklab, var(--line), var(--primary) 12%);
  box-shadow: 0 1px 2px rgba(15, 25, 55, .06), 0 6px 18px rgba(15, 25, 55, .08);
  transition: transform .14s var(--ease), box-shadow .14s var(--ease), border-color .14s var(--ease), background .14s var(--ease);
}

.chip::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, var(--primary) 0%, var(--accent) 100%);
  box-shadow: 0 0 0 2px rgba(38, 86, 240, .10);
}

.chip:hover {
  transform: translateY(-1px);
  background: linear-gradient(180deg, #fff, #f7faff);
  border-color: color-mix(in oklab, var(--primary) 22%, var(--line));
  box-shadow: 0 6px 18px rgba(38, 86, 240, .10), inset 0 0 0 1px rgba(38, 86, 240, .05);
}

.chip:active {
  transform: translateY(0);
  box-shadow: 0 3px 10px rgba(15, 25, 55, .12);
}

/* Sectores: espaciado específico */
#sectores .section-head {
  margin-bottom: clamp(12px, 1.6vw, 18px);
}

#sectores .chips {
  margin-top: clamp(10px, 1.6vw, 18px);
  margin-bottom: clamp(22px, 2.6vw, 34px);
}

#sectores .chips + .grid {
  margin-top: clamp(12px, 2vw, 20px);
}

/* --- Pilares --- */
.pillars {
  align-items: stretch;
}

.pillar {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.1rem;
  box-shadow: var(--shadow-xs);
  text-align: center;
  transition: transform .18s var(--ease), box-shadow .18s var(--ease), border-color .18s var(--ease);
}

.pillar:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  border-color: color-mix(in oklab, var(--primary) 20%, var(--line));
}

.pillar-icon {
  margin: 0 auto .7rem;
  width: 110px;
  height: 110px;
  border-radius: 24px;
  position: relative;
  overflow: hidden;
  background: radial-gradient(120px 120px at 50% 40%, rgba(38, 86, 240, .12), transparent 60%), var(--bg-2);
  border: 1px solid color-mix(in oklab, var(--line), var(--primary) 10%);
  box-shadow: 0 2px 6px rgba(15, 25, 55, .05), 0 16px 36px rgba(15, 25, 55, .10), inset 0 0 0 1px rgba(255, 255, 255, .6);
}

.pillar-icon::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255, 255, 255, .55), rgba(255, 255, 255, 0) 42%);
}

.pillar-icon img {
  width: 68px;
  height: 68px;
  object-fit: contain;
  margin: auto;
  filter: drop-shadow(0 6px 14px rgba(15, 25, 55, .18));
  transform: translateZ(0) scale(1);
  transition: transform .25s var(--ease), filter .25s var(--ease);
}

.pillar:hover .pillar-icon img {
  transform: translateY(-2px) scale(1.08);
  filter: drop-shadow(0 10px 22px rgba(38, 86, 240, .28));
}

/* --- Recursos --- */
.res {
  display: block;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-xs);
  transition: transform .18s var(--ease), box-shadow .18s var(--ease), border-color .18s var(--ease);
  color: var(--ink);
}

.res:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
  border-color: color-mix(in oklab, var(--primary) 18%, var(--line));
}

.res img {
  aspect-ratio: 16/9;
  object-fit: cover;
}

.res h3 {
  margin: 1rem 1rem .3rem;
  color: var(--ink);
  font-family: var(--font-head);
  font-weight: 700;
}

/* --- Visión & Misión --- 
   Mejorada legibilidad del texto sobre imagen */
.visionmision .mv-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(280px, 1fr));
  gap: 22px;
  margin-top: 18px;
}

.mv-card {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-xs);
  transform: perspective(900px) rotateX(var(--rx, 0)) rotateY(var(--ry, 0));
  transition: transform .18s var(--ease), box-shadow .18s var(--ease);
  isolation: isolate;
  background: #757070;
}

.mv-card:hover {
  box-shadow: var(--shadow);
}

.mv-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(.78) contrast(1.06) saturate(1.05);
  transform: scale(1.02);
  transition: transform .6s var(--ease), filter .6s var(--ease);
  will-change: transform, filter;
}

.mv-card:hover .mv-img {
  transform: scale(1.06);
}

.mv-overlay {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, .08) 45%, rgba(0, 0, 0, .22) 70%, rgba(0, 0, 0, .40) 100%);
}

.mv-content {
  position: relative;
  z-index: 1;
  color: #fff;
  text-shadow: 0 1px 6px rgba(0, 0, 0, .35);
  background: linear-gradient(0deg, rgba(0, 0, 0, .22), rgba(0, 0, 0, .06));
  backdrop-filter: blur(1.5px);
  border-radius: 0 0 16px 16px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 320px;
  padding: 22px;
}

.mv-content h3 {
  font: 800 1.35rem var(--font-head);
  letter-spacing: .06rem;
  margin: 0 0 .4rem;
  color: #fff;
}

.mv-content p {
  margin: 0;
  line-height: 1.8;
  color: rgba(255, 255, 255, .96);
}

/* Visión/Misión: ajustes de legibilidad mejorados */
#vision-mision {
  --vm-img-brightness: .90;
  --vm-overlay-bottom: .24;
  --vm-overlay-side: .14;
  --vm-panel-bottom: .18;
}

#vision-mision .mv-img {
  filter: brightness(var(--vm-img-brightness)) contrast(1.04) saturate(1.03);
}

#vision-mision .mv-overlay {
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, var(--vm-overlay-bottom)) 70%, rgba(0, 0, 0, calc(var(--vm-overlay-bottom) + .06)) 100%),
    radial-gradient(100% 120% at 0% 50%, rgba(0, 0, 0, var(--vm-overlay-side)) 0%, transparent 55%),
    radial-gradient(100% 120% at 100% 50%, rgba(0, 0, 0, calc(var(--vm-overlay-side) - .04)) 0%, transparent 55%);
}

#vision-mision .mv-content {
  background: linear-gradient(180deg, rgba(0, 0, 0, calc(var(--vm-panel-bottom) - .08)) 0%, rgba(0, 0, 0, var(--vm-panel-bottom)) 70%);
  text-shadow: 0 1px 8px rgba(0, 0, 0, .35);
}

#vision-mision .mv-content p {
  color: rgba(255, 255, 255, .97);
}

/* --- Contacto --- */
.contact-hero {
  position: relative;
  background: linear-gradient(180deg, rgba(255, 255, 255, .18), rgba(255, 255, 255, .28));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.contact-form {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
  background: rgba(255, 255, 255, .96) !important;
  backdrop-filter: blur(10px) saturate(1.05);
  padding: clamp(18px, 2.2vw, 24px);
  border-radius: 16px;
  border: 1px solid rgba(12, 28, 70, .22) !important;
  box-shadow: 0 22px 46px rgba(12, 28, 70, .14) !important;
  color: var(--ink);
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  grid-column: span 3;
}

.field--full {
  grid-column: 1 / -1;
}

.field label {
  font-weight: 800;
  letter-spacing: .1px;
  font-family: var(--font-head);
}

.field label span {
  color: #cc3b55;
}

.field :is(input, select, textarea) {
  width: 100%;
  padding: 1rem;
  border-radius: 12px;
  border: 1px solid rgba(12, 28, 70, .22);
  background: #fff;
  color: var(--ink);
  font: inherit;
  outline: none;
  transition: border-color .16s var(--ease), box-shadow .16s var(--ease);
}

.field textarea {
  min-height: 120px;
  resize: vertical;
}

.field select {
  appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--ink) 50%),
    linear-gradient(135deg, var(--ink) 50%, transparent 50%);
  background-position: calc(100% - 22px) 52%, calc(100% - 16px) 52%;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
}

.field :is(input, select, textarea):focus-visible {
  box-shadow: 0 0 0 3px rgba(38, 86, 240, .18);
  border-color: color-mix(in oklab, var(--primary) 46%, var(--line));
}

/* Autofill */
input:-webkit-autofill,
select:-webkit-autofill,
textarea:-webkit-autofill {
  -webkit-box-shadow: 0 0 0 30px #fff inset !important;
  -webkit-text-fill-color: var(--ink) !important;
  caret-color: var(--ink);
}

/* Validación */
.field :is(input, select, textarea):required:user-invalid {
  border-color: color-mix(in oklab, #cc3b55 55%, var(--line));
}

.field :is(input, select, textarea):required:user-valid {
  border-color: color-mix(in oklab, var(--primary) 40%, var(--line));
}

.actions {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 4px;
}

.form-note {
  margin: 0;
  color: var(--ink-2);
}

.form-status {
  grid-column: 1 / -1;
  min-height: 22px;
  font-weight: 800;
  letter-spacing: .1px;
  margin-top: 2px;
}

.form-status.ok { color: #1a8f55; }
.form-status.err { color: #cc3b55; }

/* --- Footer --- */
.ft {
  background: var(--panel);
  border-top: 1px solid var(--line);
  padding: 34px 0;
  padding-bottom: max(34px, var(--safe-bottom));
  color: var(--ink-2);
}

.ft-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}

.ft nav a {
  margin-right: 14px;
}

.ft a {
  color: color-mix(in oklab, var(--ink) 72%, var(--ink-3));
  transition: color .16s var(--ease);
}

.ft a:hover {
  color: var(--primary);
}

/* ================================================================
   5. UTILIDADES
   ================================================================ */
.center { text-align: center; }
.flow > * + * { margin-top: clamp(.5rem, .3rem + .6vw, 1rem); }
.muted { color: var(--ink-2); }
.small { font-size: var(--size-0); }
.mt-3 { margin-top: 14px; }

.grad {
  background: var(--grad-strong);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Barra de progreso scroll */
.scrollbar {
  position: fixed;
  inset: 0 0 auto 0;
  height: 3px;
  z-index: 1200;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transform-origin: 0 50%;
  transform: scaleX(0);
  box-shadow: 0 2px 6px rgba(38, 86, 240, .35);
}

/* Parallax hint */
[data-parallax-y] {
  will-change: transform;
  transition: transform .2s linear;
}

/* ================================================================
   6. ANIMACIONES
   ================================================================ */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes softPulse {
  0% { box-shadow: 0 14px 34px rgba(38, 86, 240, .22); }
  50% { box-shadow: 0 22px 52px rgba(38, 86, 240, .28); }
  100% { box-shadow: 0 14px 34px rgba(38, 86, 240, .22); }
}

@keyframes demoLoad {
  0% { width: 18%; }
  30% { width: 54%; }
  60% { width: 78%; }
  80% { width: 92%; }
  100% { width: 24%; }
}

@keyframes playPulse {
  0%, 100% { transform: translateY(1px) scale(1); }
  50% { transform: translateY(1px) scale(1.08); }
}

/* Reveal animations */
.reveal {
  opacity: 0;
  transform: translate3d(0, 12px, 0) scale(.98);
  filter: blur(2px);
}

.reveal.in {
  opacity: 1;
  transform: none;
  filter: none;
  transition: opacity .6s var(--ease), transform .6s var(--ease), filter .6s var(--ease);
  transition-delay: calc(var(--i, 0) * 90ms);
}

.reveal.up { transform: translate3d(0, 18px, 0); }
.reveal.right { transform: translate3d(18px, 0, 0); }
.reveal.left { transform: translate3d(-18px, 0, 0); }
.reveal.scale { transform: scale(.96); }

.grid > * {
  will-change: transform, opacity;
}

/* ================================================================
   7. ACCESIBILIDAD
   ================================================================ */

/* Focus visible consistente */
:where(a, button, .btn, .nav-link, input, select, textarea):focus-visible {
  outline: none;
  box-shadow: var(--focus-ring) !important;
  border-color: color-mix(in oklab, var(--primary) 52%, var(--line)) !important;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .pillar-icon img { transition: none; }
  .pillar:hover .pillar-icon img { transform: none; }
  
  .hero .cta-row a[href$="demo2.html"] :is(.progress::before, .play) {
    animation: none !important;
  }
}

/* ================================================================
   8. RESPONSIVE
   Ordenados de mayor a menor (desktop-first donde ya existía)
   ================================================================ */

/* Tablet landscape */
@media (max-width: 1100px) {
  .field { grid-column: span 3; }
}

/* Tablet */
@media (max-width: 900px) {
  /* Burger visible */
  .burger {
    display: grid;
  }
  
  /* Nav móvil */
  .nav {
    position: fixed;
    top: var(--header-height);
    right: -100%;
    width: min(86vw, 420px);
    height: calc(100vh - var(--header-height));
    background: var(--panel);
    border-left: 1px solid var(--line);
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    padding: 12px;
    padding-bottom: max(14px, var(--safe-bottom));
    transition: right .32s var(--ease);
    box-shadow: -18px 0 44px rgba(12, 28, 70, .10);
  }
  
  html.menu-open .nav {
    right: 0;
  }
  
  /* Mega menú en móvil */
  .has-mega::after { display: none; }
  
  .mega {
    position: static;
    display: none;
    opacity: 1;
    pointer-events: auto;
  }
  
  .has-mega[data-open="true"] > .mega {
    display: block;
  }
  
  .mega-inner {
    border: 1px solid var(--line);
    border-radius: 12px;
    margin: 6px 0;
    box-shadow: var(--shadow-xs);
  }
  
  .mega-wrap {
    grid-template-columns: 1fr;
    padding: 12px;
  }
  
  /* Visión/Misión */
  .visionmision .mv-grid {
    grid-template-columns: 1fr;
  }
  
  .mv-content {
    min-height: 260px;
  }
  
  #vision-mision {
    --vm-img-brightness: .88;
    --vm-overlay-bottom: .28;
    --vm-overlay-side: .18;
    --vm-panel-bottom: .22;
  }
}

/* Tablet portrait */
@media (max-width: 820px) {
  .grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  }
}

/* Mobile landscape */
@media (max-width: 780px) {
  .contact-form {
    grid-template-columns: 1fr;
  }
  
  .field {
    grid-column: 1 / -1;
  }
}

/* Mobile */
@media (max-width: 720px) {
  .hero-media {
    filter: brightness(.92) contrast(1.08) saturate(1.08);
  }
  
  .hero h1 {
    font-size: clamp(1.9rem, 4.8vw, 3rem);
  }
}

/* Mobile small */
@media (max-width: 640px) {
  :root {
    --wrap: max(min(100vw, 96vw), 320px);
    --header-height: 64px;
    --radius: 12px;
    --radius-sm: 10px;
    --radius-lg: 16px;
    --size-0: clamp(.9rem, .88rem + .2vw, 1rem);
    --size-1: clamp(1rem, .98rem + .4vw, 1.08rem);
    --size-2: clamp(1.05rem, 1rem + .8vw, 1.2rem);
    --size-3: clamp(1.6rem, 1.3rem + 2.4vw, 2rem);
    --size-4: clamp(2rem, 1.6rem + 4vw, 2.6rem);
  }
  
  body {
    line-height: 1.55;
  }
  
  .wrap {
    padding-inline: clamp(14px, 4vw, 18px);
  }
  
  .hd {
    height: var(--header-height);
  }
  
  .nav {
    top: var(--header-height);
    width: 100vw;
    height: calc(100dvh - var(--header-height));
    padding: 14px;
    gap: 8px;
  }
  
  .nav-link {
    padding: .64rem .8rem;
    font-weight: 700;
  }
  
  .hero {
    min-height: calc(92dvh + 1px);
    padding-top: var(--header-height);
  }
  
  .hero p {
    max-width: 100%;
    line-height: 1.72;
  }
  
  .cta-row {
    gap: 10px;
  }
  
  .badges {
    gap: 8px;
  }
  
  .badges li {
    padding: .5rem .8rem;
    font-weight: 700;
  }
  
  .section {
    padding: clamp(36px, 8vw, 60px) 0;
  }
  
  .lead {
    margin: 8px auto 18px;
  }
  
  .grid,
  .grid-3,
  .grid-5,
  .grid-6 {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .card img {
    aspect-ratio: 16/10;
  }
  
  .card.flip {
    height: clamp(260px, 56vw, 320px);
    perspective: 1000px;
  }
  
  .card.flip :is(.front h3, .back h3) {
    font-size: 1rem;
    margin: .8rem 1rem .7rem;
  }
  
  .card.flip .back {
    padding: .9rem 1rem 1.1rem;
  }
  
  .card.flip .back p {
    line-height: 1.6;
    font-size: .98rem;
  }
  
  /* Desactivar tilt en móvil */
  .tilt {
    --rx: 0deg;
    --ry: 0deg;
    transform: none !important;
  }
  
  .pillar {
    padding: 1rem;
  }
  
  .pillar .pillar-icon {
    width: 84px;
    height: 84px;
    border-radius: 18px;
  }
  
  .contact-form {
    gap: 12px;
    padding: 16px;
    border-radius: var(--radius);
    box-shadow: 0 14px 34px rgba(12, 28, 70, .12) !important;
  }
  
  .field {
    gap: 6px;
  }
  
  .field :is(input, select, textarea) {
    padding: .9rem;
  }
  
  .actions {
    gap: 10px;
  }
  
  .btn,
  .btn-primary {
    padding: .78rem 1rem;
    border-radius: var(--radius-sm);
  }
  
  .ft {
    padding: 26px 0;
    padding-bottom: max(26px, var(--safe-bottom));
  }
  
  .ft-grid {
    align-items: flex-start;
    gap: 12px;
  }
  
  .ft nav a {
    display: inline-block;
    margin-right: 10px;
    margin-top: 6px;
  }
  
  /* Sectores chips */
  #sectores .chips {
    margin-top: 14px;
    margin-bottom: 28px;
  }
}

/* Mobile XS */
@media (max-width: 390px) {
  .hero h1 {
    letter-spacing: .1px;
  }
  
  .card.flip {
    height: clamp(240px, 64vw, 300px);
  }
  
  .card.flip .back p {
    font-size: .95rem;
  }
  
  .btn,
  .btn-primary {
    padding: .72rem .94rem;
  }
}