/* ==========================================================================
   Sinapsis AI — Landing page
   1. Tokens y reset
   2. Base y utilidades
   3. Header y navegación
   4. Hero
   5. Marquee de tecnologías
   6. Métricas
   7. Servicios
   8. Automatización (split + flujo + casos de uso)
   9. Proceso
   10. Equipo
   11. Testimonios
   12. Planes
   13. FAQ
   14. Contacto
   15. Footer
   16. Elementos flotantes y toast
   17. Responsive
   18. Accesibilidad y movimiento reducido
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Tokens y reset
   -------------------------------------------------------------------------- */
:root {
  --bg: #05070f;
  --bg-soft: #070b16;
  --surface: rgba(255, 255, 255, 0.035);
  --surface-strong: rgba(255, 255, 255, 0.06);
  --line: rgba(255, 255, 255, 0.09);
  --line-strong: rgba(255, 255, 255, 0.16);

  --text: #eef2ff;
  --text-soft: #c9d2e8;
  --muted: #9aa6c4;

  --cyan: #2de2e6;
  --violet: #8b5cf6;
  --pink: #f472b6;
  --blue: #38bdf8;
  --lime: #a3e635;
  --gold: #fbbf24;

  --grad: linear-gradient(115deg, var(--cyan) 0%, var(--blue) 42%, var(--violet) 100%);
  --grad-soft: linear-gradient(115deg, rgba(45, 226, 230, 0.16), rgba(139, 92, 246, 0.16));

  --r-xs: 10px;
  --r-sm: 14px;
  --r: 20px;
  --r-lg: 28px;
  --r-full: 999px;

  --shadow: 0 30px 80px -28px rgba(0, 0, 0, 0.85);
  --glow-cyan: 0 18px 60px -18px rgba(45, 226, 230, 0.55);
  --glow-violet: 0 22px 70px -22px rgba(139, 92, 246, 0.6);

  --header-h: 74px;
  --container: 1200px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);

  --font-display: "Sora", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-body: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
}

*,
*::before,
*::after { box-sizing: border-box; }

* { margin: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 18px);
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, svg, video { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; padding: 0; }

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 6px;
}

::selection { background: rgba(45, 226, 230, 0.28); color: #fff; }

::-webkit-scrollbar { width: 11px; height: 11px; }
::-webkit-scrollbar-track { background: #04060c; }
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, rgba(45, 226, 230, 0.5), rgba(139, 92, 246, 0.5));
  border-radius: var(--r-full);
  border: 3px solid #04060c;
}

/* --------------------------------------------------------------------------
   2. Base y utilidades
   -------------------------------------------------------------------------- */
.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }

.icon {
  width: 1.15em;
  height: 1.15em;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

use[href="#i-whatsapp"],
use[href="#i-quote"],
use[href="#i-star"] { fill: currentColor; stroke: none; }

use[href="#i-linkedin"] { fill: none; stroke: currentColor; stroke-width: 1.6; }

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(1.15rem, 4vw, 2.5rem);
}

.section {
  position: relative;
  padding-block: clamp(4.5rem, 8vw, 7.5rem);
}

.section-alt {
  background:
    radial-gradient(900px 420px at 12% 0%, rgba(139, 92, 246, 0.1), transparent 65%),
    radial-gradient(760px 400px at 92% 100%, rgba(45, 226, 230, 0.08), transparent 65%),
    var(--bg-soft);
  border-block: 1px solid var(--line);
}

.section-head {
  max-width: 720px;
  margin: 0 auto clamp(2.5rem, 5vw, 3.75rem);
  text-align: center;
}

.section-head .section-sub { margin-inline: auto; }

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.9rem;
  color: var(--cyan);
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.kicker::before {
  content: "";
  width: 22px;
  height: 2px;
  border-radius: 2px;
  background: var(--grad);
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

h1 { font-size: clamp(2.1rem, 3.55vw, 3.2rem); font-weight: 800; }
h2 { font-size: clamp(1.7rem, 2.9vw, 2.35rem); }
h3 { font-size: clamp(1.1rem, 1.6vw, 1.28rem); }

.section-sub {
  max-width: 62ch;
  margin-top: 1.05rem;
  color: var(--text-soft);
  font-size: clamp(1rem, 1.15vw, 1.1rem);
}

.section-sub.left { margin-inline: 0; }
.section-head .section-sub.left { margin-inline: 0; }

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

/* Botones */
.btn {
  --btn-bg: transparent;
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.82rem 1.35rem;
  border: 1px solid transparent;
  border-radius: var(--r-full);
  background: var(--btn-bg);
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.2;
  white-space: nowrap;
  cursor: pointer;
  overflow: hidden;
  isolation: isolate;
  transition: transform 0.28s var(--ease), box-shadow 0.28s var(--ease),
    background-color 0.28s var(--ease), border-color 0.28s var(--ease), color 0.28s var(--ease);
}

.btn .icon { transition: transform 0.3s var(--ease); }
.btn:hover .icon { transform: translateX(3px); }
.btn:active { transform: translateY(0) scale(0.99); }

.btn-primary {
  background: var(--grad);
  background-size: 160% 160%;
  color: #04121a;
  box-shadow: var(--glow-cyan);
}

.btn-primary::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(115deg, transparent 30%, rgba(255, 255, 255, 0.55), transparent 70%);
  transform: translateX(-120%);
  transition: transform 0.65s var(--ease);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 24px 70px -18px rgba(45, 226, 230, 0.72);
}

.btn-primary:hover::after { transform: translateX(120%); }

.btn-ghost {
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
}

.btn-ghost:hover {
  border-color: rgba(45, 226, 230, 0.5);
  background: rgba(45, 226, 230, 0.08);
  transform: translateY(-2px);
}

.btn-lg { padding: 1rem 1.7rem; font-size: 1rem; }
.btn-block { width: 100%; }

/* Animación de entrada */
html.js [data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.75s var(--ease), transform 0.75s var(--ease);
  transition-delay: var(--reveal-delay, 0ms);
  will-change: opacity, transform;
}

html.js [data-reveal].is-visible {
  opacity: 1;
  transform: none;
  will-change: auto;
}

.skip-link {
  position: fixed;
  top: -100px;
  left: 1rem;
  z-index: 300;
  padding: 0.7rem 1.1rem;
  border-radius: var(--r-sm);
  background: var(--cyan);
  color: #04121a;
  font-weight: 700;
  transition: top 0.25s var(--ease);
}

.skip-link:focus { top: 1rem; }

.scroll-progress {
  position: fixed;
  inset: 0 0 auto;
  z-index: 200;
  height: 2px;
  background: transparent;
  pointer-events: none;
}

.scroll-progress span {
  display: block;
  height: 100%;
  width: 0;
  background: var(--grad);
  box-shadow: 0 0 18px rgba(45, 226, 230, 0.8);
}

/* --------------------------------------------------------------------------
   3. Header y navegación
   -------------------------------------------------------------------------- */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 150;
  height: var(--header-h);
  display: flex;
  align-items: center;
  border-bottom: 1px solid transparent;
  transition: background-color 0.35s var(--ease), border-color 0.35s var(--ease),
    backdrop-filter 0.35s var(--ease), height 0.35s var(--ease);
}

.site-header.is-scrolled {
  height: 64px;
  background: rgba(5, 7, 15, 0.78);
  border-bottom-color: var(--line);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-size: 1.22rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  color: var(--text);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--line);
  box-shadow: inset 0 0 22px rgba(45, 226, 230, 0.16);
}

.brand-mark svg { width: 25px; height: 25px; }

.brand-text em {
  font-style: normal;
  font-weight: 800;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.6rem;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-list a {
  position: relative;
  font-size: 0.94rem;
  font-weight: 500;
  color: var(--text-soft);
  transition: color 0.25s var(--ease);
}

.nav-list a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 100%;
  height: 2px;
  border-radius: 2px;
  background: var(--grad);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.32s var(--ease);
}

.nav-list a:hover,
.nav-list a.is-active { color: var(--text); }
.nav-list a:hover::after,
.nav-list a.is-active::after { transform: scaleX(1); }

.nav-cta { padding: 0.68rem 1.15rem; font-size: 0.9rem; }

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  cursor: pointer;
}

.menu-toggle .icon { width: 22px; height: 22px; }
.menu-toggle .icon-close { display: none; }
.menu-toggle[aria-expanded="true"] .icon-menu { display: none; }
.menu-toggle[aria-expanded="true"] .icon-close { display: block; }

/* --------------------------------------------------------------------------
   4. Hero
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-top: calc(var(--header-h) + clamp(3rem, 7vw, 6rem));
  padding-bottom: clamp(3.5rem, 7vw, 6.5rem);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  overflow: hidden;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(72px);
  opacity: 0.55;
  will-change: transform;
}

.orb-1 {
  width: 46vw;
  height: 46vw;
  min-width: 320px;
  min-height: 320px;
  top: -18%;
  left: -8%;
  background: radial-gradient(circle at 35% 35%, rgba(45, 226, 230, 0.65), transparent 62%);
  animation: drift 22s ease-in-out infinite alternate;
}

.orb-2 {
  width: 40vw;
  height: 40vw;
  min-width: 280px;
  min-height: 280px;
  top: -6%;
  right: -10%;
  background: radial-gradient(circle at 60% 40%, rgba(139, 92, 246, 0.7), transparent 62%);
  animation: drift 26s ease-in-out infinite alternate-reverse;
}

.orb-3 {
  width: 34vw;
  height: 34vw;
  min-width: 240px;
  min-height: 240px;
  bottom: -22%;
  left: 38%;
  background: radial-gradient(circle at 50% 50%, rgba(56, 189, 248, 0.45), transparent 62%);
  animation: drift 30s ease-in-out infinite alternate;
}

.grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.055) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.055) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 78% 62% at 50% 34%, #000 12%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 78% 62% at 50% 34%, #000 12%, transparent 78%);
}

.noise {
  position: absolute;
  inset: 0;
  opacity: 0.35;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='0.35'/%3E%3C/svg%3E");
  mix-blend-mode: soft-light;
  pointer-events: none;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.06fr 0.94fr;
  align-items: center;
  gap: clamp(2rem, 5vw, 4.5rem);
}

.hero-copy,
.split-copy,
.flow-wrap,
.contact-copy,
.contact-form-wrap { min-width: 0; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.42rem 0.9rem 0.42rem 0.6rem;
  margin-bottom: 1.4rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-full);
  background: rgba(255, 255, 255, 0.045);
  color: var(--text-soft);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  backdrop-filter: blur(8px);
}

.pulse-dot {
  position: relative;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 0 rgba(45, 226, 230, 0.65);
  animation: pulse 2.4s ease-out infinite;
}

.hero h1 { margin-bottom: 1.35rem; }
.hero h1 .grad-text { display: block; }

.hero-sub {
  max-width: 56ch;
  color: var(--text-soft);
  font-size: clamp(1.02rem, 1.25vw, 1.16rem);
}

.hero-sub strong { color: var(--text); font-weight: 600; }

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2rem;
}

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.4rem;
  margin-top: 1.85rem;
  color: var(--muted);
  font-size: 0.88rem;
}

.hero-trust li { display: inline-flex; align-items: center; gap: 0.4rem; }
.hero-trust .icon { width: 15px; height: 15px; color: var(--cyan); stroke-width: 2.4; }

/* Tarjeta de formulario */
.hero-card {
  position: relative;
  width: 100%;
  max-width: 440px;
  justify-self: end;
  padding: clamp(1.4rem, 2.4vw, 2rem);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-lg);
  background: linear-gradient(180deg, rgba(17, 24, 44, 0.92), rgba(8, 12, 24, 0.94));
  box-shadow: var(--shadow), 0 0 0 1px rgba(255, 255, 255, 0.03) inset;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.hero-card::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(140deg, rgba(45, 226, 230, 0.55), transparent 40%, transparent 62%, rgba(139, 92, 246, 0.55));
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask-composite: exclude;
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  pointer-events: none;
}

.card-glow {
  position: absolute;
  inset: -40% 10% 55%;
  z-index: -1;
  background: radial-gradient(circle at 50% 50%, rgba(45, 226, 230, 0.32), transparent 68%);
  filter: blur(38px);
  pointer-events: none;
}

.hero-card-head { margin-bottom: 1.25rem; }

.badge {
  display: inline-block;
  padding: 0.3rem 0.65rem;
  margin-bottom: 0.7rem;
  border-radius: var(--r-full);
  background: rgba(45, 226, 230, 0.12);
  border: 1px solid rgba(45, 226, 230, 0.32);
  color: var(--cyan);
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.hero-card-head h2 {
  font-size: clamp(1.22rem, 1.9vw, 1.42rem);
  line-height: 1.24;
}

.hero-card-head p {
  margin-top: 0.4rem;
  color: var(--muted);
  font-size: 0.88rem;
}

/* Formularios */
.lead-form { display: grid; gap: 0.85rem; }

.field { display: grid; gap: 0.34rem; }

.field label {
  font-size: 0.79rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text-soft);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 0.78rem 0.9rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-sm);
  background: rgba(4, 7, 15, 0.72);
  color: var(--text);
  font-size: 0.93rem;
  transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease), background-color 0.25s var(--ease);
}

.field textarea { resize: vertical; min-height: 110px; line-height: 1.55; }

.field input::placeholder,
.field textarea::placeholder { color: #6f7c9b; }

.field select {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%),
    linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 20px) 50%, calc(100% - 15px) 50%;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  padding-right: 2.4rem;
}

.field select option { background: #0a1020; color: var(--text); }

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: rgba(45, 226, 230, 0.65);
  box-shadow: 0 0 0 3px rgba(45, 226, 230, 0.13);
  background: rgba(4, 7, 15, 0.95);
}

.field input[aria-invalid="true"],
.field textarea[aria-invalid="true"] {
  border-color: rgba(244, 63, 94, 0.7);
  box-shadow: 0 0 0 3px rgba(244, 63, 94, 0.12);
}

.error {
  min-height: 0;
  color: #fda4af;
  font-size: 0.76rem;
}

.error:empty { display: none; }

.form-note {
  display: flex;
  align-items: flex-start;
  gap: 0.4rem;
  color: var(--muted);
  font-size: 0.76rem;
  line-height: 1.5;
}

.form-note > span { display: block; min-width: 0; }

.form-note .icon { width: 14px; height: 14px; margin-top: 3px; }
.form-note a { color: var(--cyan); text-decoration: underline; text-underline-offset: 2px; }

.form-status {
  font-size: 0.83rem;
  color: var(--cyan);
  min-height: 0;
}

.form-status:empty { display: none; }

/* --------------------------------------------------------------------------
   5. Marquee de tecnologías
   -------------------------------------------------------------------------- */
.marquee-section {
  padding-block: 2rem 2.4rem;
  border-block: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.015);
}

.marquee-label {
  max-width: 62ch;
  margin: 0 auto 1.1rem;
  padding-inline: clamp(1.15rem, 4vw, 2.5rem);
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-align: center;
  text-transform: uppercase;
  text-wrap: balance;
}

.marquee {
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent 0, #000 90px, #000 calc(100% - 90px), transparent 100%);
  -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 90px, #000 calc(100% - 90px), transparent 100%);
}

.marquee-track {
  display: flex;
  align-items: center;
  gap: 2.75rem;
  width: max-content;
  animation: marquee 42s linear infinite;
}

.marquee-track span {
  font-family: var(--font-display);
  font-size: clamp(0.95rem, 1.5vw, 1.15rem);
  font-weight: 500;
  color: #7d89a8;
  white-space: nowrap;
  transition: color 0.25s var(--ease);
}

.marquee-track span:hover { color: var(--cyan); }

.marquee:hover .marquee-track { animation-play-state: paused; }

/* --------------------------------------------------------------------------
   6. Métricas
   -------------------------------------------------------------------------- */
.metrics { padding-block: clamp(2.5rem, 5vw, 4rem); }

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.metric {
  position: relative;
  display: grid;
  gap: 0.3rem;
  padding: 1.35rem 1.15rem;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--surface);
  text-align: center;
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease), background-color 0.3s var(--ease);
}

.metric + .metric::before {
  content: "";
  position: absolute;
  left: -0.5rem;
  top: 22%;
  height: 56%;
  width: 1px;
  background: var(--line);
}

.metric:hover {
  transform: translateY(-3px);
  border-color: rgba(45, 226, 230, 0.35);
  background: rgba(45, 226, 230, 0.05);
}

.metric-value {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.4vw, 2.45rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-variant-numeric: tabular-nums;
}

.metric-label {
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.4;
}

/* --------------------------------------------------------------------------
   7. Servicios
   -------------------------------------------------------------------------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.15rem;
}

.service-card {
  position: relative;
  overflow: hidden;
  padding: 1.7rem 1.5rem 1.55rem;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: linear-gradient(170deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.012));
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

.service-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(260px circle at var(--mx, 50%) var(--my, 0%), rgba(45, 226, 230, 0.16), transparent 70%);
  opacity: 0;
  transition: opacity 0.35s var(--ease);
  pointer-events: none;
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: rgba(45, 226, 230, 0.35);
  box-shadow: 0 30px 60px -32px rgba(45, 226, 230, 0.5);
}

.service-card:hover::before { opacity: 1; }

.service-icon {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  margin-bottom: 1.05rem;
  border-radius: 13px;
  border: 1px solid rgba(45, 226, 230, 0.26);
  background: linear-gradient(160deg, rgba(45, 226, 230, 0.16), rgba(139, 92, 246, 0.14));
  color: var(--cyan);
  transition: transform 0.35s var(--ease), color 0.35s var(--ease);
}

.service-icon .icon { width: 22px; height: 22px; }

.service-card:hover .service-icon {
  transform: translateY(-2px) rotate(-4deg);
  color: #a5f3f5;
}

.service-card h3 { margin-bottom: 0.5rem; font-size: 1.14rem; }

.service-card > p {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.6;
}

.service-list {
  display: grid;
  gap: 0.42rem;
  margin-top: 1.05rem;
  padding-top: 1rem;
  border-top: 1px dashed var(--line);
}

.service-list li {
  position: relative;
  padding-left: 1.15rem;
  color: var(--text-soft);
  font-size: 0.86rem;
}

.service-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--grad);
}

/* --------------------------------------------------------------------------
   8. Automatización
   -------------------------------------------------------------------------- */
.split {
  display: grid;
  grid-template-columns: 1fr 0.95fr;
  align-items: center;
  gap: clamp(2.5rem, 5vw, 4.5rem);
}

.split-copy .section-sub { margin-bottom: 1.6rem; }

.compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-bottom: 1.85rem;
}

.compare-col {
  position: relative;
  padding: 1.05rem 1.1rem 1.15rem;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: rgba(255, 255, 255, 0.02);
}

.compare-col p { color: var(--text-soft); font-size: 0.87rem; line-height: 1.55; }

.compare-tag {
  display: inline-block;
  margin-bottom: 0.45rem;
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.compare-before .compare-tag { color: #fda4af; }
.compare-before { border-color: rgba(244, 63, 94, 0.22); }

.compare-after .compare-tag { color: var(--lime); }
.compare-after {
  border-color: rgba(163, 230, 53, 0.26);
  background: linear-gradient(170deg, rgba(163, 230, 53, 0.08), rgba(255, 255, 255, 0.015));
}

.flow-wrap { position: relative; }

.flow {
  position: relative;
  display: grid;
  gap: 0;
  padding: clamp(1.1rem, 2.2vw, 1.6rem);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-lg);
  background: linear-gradient(165deg, rgba(16, 23, 42, 0.9), rgba(6, 10, 20, 0.94));
  box-shadow: var(--shadow);
}

.flow::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(420px circle at 82% 8%, rgba(139, 92, 246, 0.16), transparent 70%);
  pointer-events: none;
}

.flow-node {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.85rem;
  padding: 0.95rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: rgba(255, 255, 255, 0.035);
  transition: border-color 0.3s var(--ease), background-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.flow-node:hover {
  transform: translateX(4px);
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.06);
}

.flow-node strong {
  display: block;
  font-family: var(--font-display);
  font-size: 0.98rem;
  font-weight: 600;
}

.flow-node p { color: var(--muted); font-size: 0.82rem; line-height: 1.45; }

.flow-step {
  display: block;
  margin-bottom: 0.15rem;
  color: var(--cyan);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.flow-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex: none;
}

.dot-cyan { background: var(--cyan); box-shadow: 0 0 12px var(--cyan); }
.dot-violet { background: var(--violet); box-shadow: 0 0 12px var(--violet); }
.dot-blue { background: var(--blue); box-shadow: 0 0 12px var(--blue); }
.dot-lime { background: var(--lime); box-shadow: 0 0 12px var(--lime); }

.flow-icon { color: var(--muted); width: 20px; height: 20px; }

.flow-connector {
  display: grid;
  place-items: center;
  height: 26px;
  padding-left: 1.55rem;
  justify-items: start;
}

.flow-connector span {
  position: relative;
  display: block;
  width: 2px;
  height: 100%;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.12);
  overflow: hidden;
}

.flow-connector span::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent, var(--cyan), transparent);
  animation: flowPulse 2.6s linear infinite;
}

.flow-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  justify-self: center;
  margin-top: 1rem;
  padding: 0.4rem 0.85rem;
  border: 1px solid rgba(163, 230, 53, 0.3);
  border-radius: var(--r-full);
  background: rgba(163, 230, 53, 0.08);
  color: var(--lime);
  font-size: 0.76rem;
  font-weight: 600;
}

.flow-badge .icon { width: 14px; height: 14px; }

/* Casos de uso */
.usecases {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: clamp(3rem, 5vw, 4.25rem);
}

.usecase {
  padding: 1.25rem 1.2rem;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: rgba(255, 255, 255, 0.025);
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease), background-color 0.3s var(--ease);
}

.usecase:hover {
  transform: translateY(-4px);
  border-color: rgba(139, 92, 246, 0.4);
  background: rgba(139, 92, 246, 0.06);
}

.usecase h3 { font-size: 1rem; margin-bottom: 0.35rem; }
.usecase p { color: var(--muted); font-size: 0.86rem; line-height: 1.55; }

.chip {
  display: inline-block;
  margin-top: 0.8rem;
  padding: 0.22rem 0.6rem;
  border-radius: var(--r-full);
  border: 1px solid rgba(45, 226, 230, 0.26);
  background: rgba(45, 226, 230, 0.1);
  color: var(--cyan);
  font-size: 0.71rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

/* --------------------------------------------------------------------------
   9. Proceso
   -------------------------------------------------------------------------- */
.process {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.15rem;
  counter-reset: step;
}

.process-step {
  position: relative;
  padding-top: 1.6rem;
}

.process-step::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, rgba(45, 226, 230, 0.65), rgba(139, 92, 246, 0.18));
  border-radius: 2px;
}

.process-step::after {
  content: "";
  position: absolute;
  top: -3px;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 14px var(--cyan);
}

.process-num {
  display: block;
  margin-bottom: 0.75rem;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.process-body {
  padding: 1.35rem 1.25rem 1.45rem;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: rgba(255, 255, 255, 0.025);
  height: 100%;
  transition: border-color 0.3s var(--ease), background-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.process-step:hover .process-body {
  transform: translateY(-4px);
  border-color: rgba(45, 226, 230, 0.3);
  background: rgba(45, 226, 230, 0.045);
}

.process-icon {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  margin-bottom: 0.85rem;
  border-radius: 11px;
  background: var(--grad-soft);
  border: 1px solid var(--line);
  color: var(--cyan);
}

.process-icon .icon { width: 19px; height: 19px; }

.process-body h3 { font-size: 1.05rem; margin-bottom: 0.45rem; }
.process-body p { color: var(--muted); font-size: 0.87rem; line-height: 1.55; }

.process-time {
  display: inline-block;
  margin-top: 0.85rem;
  padding: 0.2rem 0.55rem;
  border-radius: var(--r-full);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-soft);
  font-size: 0.71rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

/* --------------------------------------------------------------------------
   10. Equipo
   -------------------------------------------------------------------------- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.15rem;
}

.team-card {
  position: relative;
  padding: 1.85rem 1.5rem 1.6rem;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: linear-gradient(170deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.012));
  text-align: center;
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease);
}

.team-card:hover {
  transform: translateY(-5px);
  border-color: rgba(139, 92, 246, 0.38);
}

.avatar {
  display: grid;
  place-items: center;
  width: 74px;
  height: 74px;
  margin: 0 auto 1.1rem;
  border-radius: 24px;
  border: 1px solid var(--line-strong);
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: #04121a;
  box-shadow: inset 0 0 30px rgba(255, 255, 255, 0.25);
}

.avatar-mkt { background: linear-gradient(140deg, #2de2e6, #38bdf8); }
.avatar-ai { background: linear-gradient(140deg, #8b5cf6, #f472b6); color: #1a0620; }
.avatar-dev { background: linear-gradient(140deg, #a3e635, #2de2e6); }

.team-card h3 { font-size: 1.1rem; }
.team-role {
  margin: 0.2rem 0 0.7rem;
  color: var(--cyan);
  font-size: 0.79rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.team-card > p:not(.team-role) {
  color: var(--muted);
  font-size: 0.89rem;
  line-height: 1.6;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.4rem;
  margin-top: 1.1rem;
}

.tags li {
  padding: 0.24rem 0.6rem;
  border: 1px solid var(--line);
  border-radius: var(--r-full);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-soft);
  font-size: 0.74rem;
  font-weight: 500;
}

/* --------------------------------------------------------------------------
   11. Testimonios
   -------------------------------------------------------------------------- */
.testimonials {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.15rem;
}

.testimonial {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1.7rem 1.5rem;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: linear-gradient(170deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.012));
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.testimonial:hover {
  transform: translateY(-4px);
  border-color: rgba(45, 226, 230, 0.3);
}

.quote-icon {
  width: 26px;
  height: 26px;
  color: rgba(45, 226, 230, 0.5);
}

.testimonial blockquote {
  color: var(--text-soft);
  font-size: 0.94rem;
  line-height: 1.62;
}

.stars { display: flex; gap: 0.15rem; color: var(--gold); }
.stars .icon { width: 15px; height: 15px; }

.testimonial figcaption {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.avatar-sm {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  flex: none;
  border-radius: 50%;
  background: var(--grad);
  color: #04121a;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 800;
}

.testimonial figcaption strong { display: block; font-size: 0.87rem; }
.testimonial figcaption small { display: block; color: var(--muted); font-size: 0.76rem; line-height: 1.35; }

/* --------------------------------------------------------------------------
   12. Planes
   -------------------------------------------------------------------------- */
.plans {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.15rem;
  align-items: stretch;
}

.plan {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 1.75rem 1.5rem 1.6rem;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: rgba(255, 255, 255, 0.025);
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.plan:hover { transform: translateY(-4px); border-color: var(--line-strong); }

.plan-featured {
  border-color: rgba(45, 226, 230, 0.4);
  background: linear-gradient(180deg, rgba(45, 226, 230, 0.09), rgba(139, 92, 246, 0.05));
  box-shadow: 0 30px 70px -40px rgba(45, 226, 230, 0.6);
}

.plan-badge {
  position: absolute;
  top: -11px;
  left: 50%;
  transform: translateX(-50%);
  padding: 0.24rem 0.75rem;
  border-radius: var(--r-full);
  background: var(--grad);
  color: #04121a;
  font-family: var(--font-display);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  white-space: nowrap;
}

.plan h3 { font-size: 1.2rem; }

.plan-desc {
  margin: 0.45rem 0 1.2rem;
  color: var(--muted);
  font-size: 0.87rem;
  line-height: 1.55;
  min-height: 2.7em;
}

.plan-list {
  display: grid;
  gap: 0.55rem;
  margin-bottom: 1.5rem;
}

.plan-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  color: var(--text-soft);
  font-size: 0.88rem;
  line-height: 1.45;
}

.plan-list .icon {
  width: 16px;
  height: 16px;
  margin-top: 3px;
  color: var(--cyan);
  stroke-width: 2.4;
}

.plan .btn { margin-top: auto; }

/* --------------------------------------------------------------------------
   13. FAQ
   -------------------------------------------------------------------------- */
.faq-layout {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.faq-head { position: sticky; top: calc(var(--header-h) + 2rem); }
.faq-head .section-sub { margin-bottom: 1.6rem; }

.accordion {
  display: grid;
  gap: 0.65rem;
}

.accordion-item {
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: rgba(255, 255, 255, 0.025);
  transition: border-color 0.3s var(--ease), background-color 0.3s var(--ease);
}

.accordion-item:hover { border-color: var(--line-strong); }

.accordion-item.is-open {
  border-color: rgba(45, 226, 230, 0.35);
  background: rgba(45, 226, 230, 0.045);
}

.accordion-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: 100%;
  padding: 1.05rem 1.15rem;
  border: 0;
  background: none;
  color: var(--text);
  font-family: var(--font-display);
  font-size: 0.97rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
}

.accordion-icon {
  position: relative;
  width: 22px;
  height: 22px;
  flex: none;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  transition: background-color 0.3s var(--ease), border-color 0.3s var(--ease), transform 0.35s var(--ease);
}

.accordion-icon::before,
.accordion-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 9px;
  height: 1.6px;
  border-radius: 2px;
  background: currentColor;
  transform: translate(-50%, -50%);
  transition: transform 0.35s var(--ease), opacity 0.3s var(--ease);
}

.accordion-icon::after { transform: translate(-50%, -50%) rotate(90deg); }

.accordion-item.is-open .accordion-icon {
  background: rgba(45, 226, 230, 0.16);
  border-color: rgba(45, 226, 230, 0.5);
  color: var(--cyan);
}

.accordion-item.is-open .accordion-icon::after {
  transform: translate(-50%, -50%) rotate(0deg);
  opacity: 0;
}

.accordion-panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.4s var(--ease);
}

.accordion-panel > p {
  overflow: hidden;
  padding-inline: 1.15rem;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.62;
}

.accordion-item.is-open .accordion-panel { grid-template-rows: 1fr; }

.accordion-item.is-open .accordion-panel > p { padding-bottom: 1.15rem; }

/* --------------------------------------------------------------------------
   14. Contacto
   -------------------------------------------------------------------------- */
.contact {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-top: 1px solid var(--line);
  background: var(--bg-soft);
}

.contact-bg { position: absolute; inset: 0; z-index: -1; overflow: hidden; }

.orb-4 {
  width: 52vw;
  height: 52vw;
  min-width: 340px;
  min-height: 340px;
  top: -28%;
  right: -12%;
  background: radial-gradient(circle at 50% 50%, rgba(139, 92, 246, 0.32), transparent 66%);
  animation: drift 28s ease-in-out infinite alternate;
}

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: start;
  gap: clamp(2rem, 5vw, 4rem);
}

.contact-copy .section-sub { margin-bottom: 2rem; }

.contact-list {
  display: grid;
  gap: 1rem;
}

.contact-list li {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.contact-icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  flex: none;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--cyan);
}

.contact-icon .icon { width: 19px; height: 19px; }

.contact-list small {
  display: block;
  color: var(--muted);
  font-size: 0.73rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.contact-list a,
.contact-list span:not(.contact-icon) {
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 500;
}

.contact-list a:hover { color: var(--cyan); }

.contact-form-wrap {
  padding: clamp(1.4rem, 2.6vw, 2rem);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-lg);
  background: linear-gradient(180deg, rgba(17, 24, 44, 0.9), rgba(8, 12, 24, 0.94));
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.contact-form .form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
}

.contact-form { gap: 1rem; }

.consent {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  color: var(--muted);
  font-size: 0.79rem;
  line-height: 1.5;
  cursor: pointer;
}

.consent input {
  width: 17px;
  height: 17px;
  margin-top: 2px;
  flex: none;
  accent-color: var(--cyan);
  cursor: pointer;
}

.consent a { color: var(--cyan); text-decoration: underline; text-underline-offset: 2px; }

/* --------------------------------------------------------------------------
   15. Footer
   -------------------------------------------------------------------------- */
.site-footer {
  position: relative;
  padding-top: clamp(3rem, 6vw, 4.5rem);
  border-top: 1px solid var(--line);
  background: #03050b;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.1fr;
  gap: clamp(1.75rem, 4vw, 3rem);
  padding-bottom: 3rem;
}

.footer-brand p {
  max-width: 34ch;
  margin: 1rem 0 1.3rem;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.6;
}

.social { display: flex; gap: 0.5rem; }

.social a {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-soft);
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease),
    background-color 0.25s var(--ease), transform 0.25s var(--ease);
}

.social a:hover {
  transform: translateY(-2px);
  color: var(--cyan);
  border-color: rgba(45, 226, 230, 0.4);
  background: rgba(45, 226, 230, 0.08);
}

.social .icon { width: 17px; height: 17px; }

.footer-col h3 {
  margin-bottom: 1rem;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text);
}

.footer-col ul { display: grid; gap: 0.55rem; }

.footer-col a,
.footer-col li {
  color: var(--muted);
  font-size: 0.87rem;
  transition: color 0.25s var(--ease);
}

.footer-col a:hover { color: var(--cyan); }

.footer-col a.btn-primary,
.footer-col a.btn-primary:hover { color: #04121a; }

.footer-contact { margin-bottom: 1.3rem; }

.footer-col .btn { padding: 0.7rem 1.1rem; font-size: 0.85rem; }

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
  padding-block: 1.4rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.8rem;
}

.legal-links { display: flex; flex-wrap: wrap; gap: 1.25rem; }
.legal-links a:hover { color: var(--cyan); }
.made { opacity: 0.85; }

/* --------------------------------------------------------------------------
   16. Elementos flotantes y toast
   -------------------------------------------------------------------------- */
.whatsapp-float {
  position: fixed;
  right: clamp(1rem, 2.5vw, 1.75rem);
  bottom: clamp(1rem, 2.5vw, 1.75rem);
  z-index: 140;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.7rem 1rem;
  border-radius: var(--r-full);
  background: #25d366;
  color: #05321a;
  font-family: var(--font-display);
  font-size: 0.87rem;
  font-weight: 700;
  box-shadow: 0 16px 40px -14px rgba(37, 211, 102, 0.75);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.whatsapp-float::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  border: 2px solid rgba(37, 211, 102, 0.55);
  animation: ring 2.8s ease-out infinite;
  pointer-events: none;
}

.whatsapp-float:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 22px 50px -14px rgba(37, 211, 102, 0.9);
}

.whatsapp-float .icon { width: 21px; height: 21px; }

.to-top {
  position: fixed;
  right: clamp(1rem, 2.5vw, 1.75rem);
  bottom: calc(clamp(1rem, 2.5vw, 1.75rem) + 62px);
  z-index: 139;
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line-strong);
  border-radius: 13px;
  background: rgba(10, 16, 30, 0.9);
  color: var(--text);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease),
    visibility 0.3s var(--ease), border-color 0.3s var(--ease);
  backdrop-filter: blur(10px);
}

.to-top.is-visible { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { border-color: rgba(45, 226, 230, 0.5); color: var(--cyan); }

.toast {
  position: fixed;
  left: 50%;
  bottom: 1.5rem;
  z-index: 260;
  max-width: min(92vw, 420px);
  padding: 0.85rem 1.1rem;
  border: 1px solid rgba(45, 226, 230, 0.4);
  border-radius: var(--r-sm);
  background: rgba(8, 20, 26, 0.96);
  color: var(--text);
  font-size: 0.87rem;
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transform: translate(-50%, 14px);
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease), visibility 0.3s var(--ease);
  backdrop-filter: blur(14px);
}

.toast.is-visible { opacity: 1; visibility: visible; transform: translate(-50%, 0); }

/* --------------------------------------------------------------------------
   17. Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 1080px) {
  .hero-inner { grid-template-columns: 1fr; gap: 2.75rem; }
  .hero-card { justify-self: start; max-width: 520px; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .usecases { grid-template-columns: repeat(2, 1fr); }
  .process { grid-template-columns: repeat(2, 1fr); }
  .team-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .faq-layout { grid-template-columns: 1fr; }
  .faq-head { position: static; }
  .split { grid-template-columns: 1fr; }
  .flow-wrap { max-width: 560px; }
}

@media (max-width: 960px) {
  :root { --header-h: 66px; }

  .menu-toggle { display: grid; }

  .nav {
    position: fixed;
    inset: var(--header-h) 0 auto;
    z-index: 149;
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
    padding: 1.15rem clamp(1.15rem, 4vw, 2.5rem) 1.6rem;
    border-bottom: 1px solid var(--line);
    background: rgba(5, 7, 15, 0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 0.3s var(--ease), transform 0.3s var(--ease), visibility 0.3s var(--ease);
    box-shadow: 0 24px 50px -20px rgba(0, 0, 0, 0.9);
  }

  .nav.is-open { opacity: 1; visibility: visible; transform: none; }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .nav-list a {
    display: block;
    padding: 0.85rem 0.25rem;
    border-bottom: 1px solid var(--line);
    font-size: 1rem;
  }

  .nav-list a::after { display: none; }

  .nav-cta { margin-top: 0.5rem; }

  .brand-text { font-size: 1.12rem; }

  .process { grid-template-columns: 1fr; gap: 1.5rem; }
  .process-step { padding-top: 0; padding-left: 1.6rem; }
  .process-step::before {
    top: 0;
    bottom: 0;
    left: 0;
    right: auto;
    width: 2px;
    height: auto;
  }
  .process-step::after { top: 2px; left: -3px; }

  .team-grid,
  .testimonials { grid-template-columns: 1fr; }
  .plans { grid-template-columns: 1fr; }
  .plan-desc { min-height: 0; }
  .contact-inner { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .metrics-grid { grid-template-columns: repeat(2, 1fr); }
  .metric + .metric::before { display: none; }
  .services-grid { grid-template-columns: 1fr; }
  .usecases { grid-template-columns: 1fr; }
  .compare { grid-template-columns: 1fr; }
  .hero-actions .btn { width: 100%; }
  .hero-trust { gap: 0.45rem 1rem; font-size: 0.82rem; }
  .contact-form .form-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { justify-content: flex-start; }
  .whatsapp-label { display: none; }
  .whatsapp-float { padding: 0.85rem; }
  .to-top { bottom: calc(clamp(1rem, 2.5vw, 1.75rem) + 58px); }
  .flow-node { grid-template-columns: auto 1fr; }
  .flow-icon { display: none; }
}

@media (max-width: 420px) {
  .metrics-grid { grid-template-columns: 1fr; }
  .hero-card { padding: 1.2rem; }
  .brand-text { font-size: 1rem; }
  .brand-mark { width: 34px; height: 34px; }
}

/* --------------------------------------------------------------------------
   18. Accesibilidad y movimiento reducido
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }

  html.js [data-reveal] { opacity: 1; transform: none; }
}

@media print {
  .site-header,
  .whatsapp-float,
  .to-top,
  .scroll-progress,
  .hero-bg,
  .contact-bg { display: none !important; }

  body { background: #fff; color: #000; }
  .grad-text { color: #000; background: none; -webkit-text-fill-color: #000; }
}