/* ================================================================
   LEADRADAR — Landing Page Styles
   Estructura:
   1. Variables & Tokens
   2. Reset & Base
   3. Tipografía
   4. Layout & Utilidades
   5. Botones
   6. Navegación
   7. Hero
   8. Radar (animación)
   9. Sección Problema
  10. Cómo funciona (Steps)
  11. Diferenciales
  12. Para quién
  13. Servicio
  14. Confianza / Tecnología
  15. FAQ
  16. CTA Final
  17. Footer
  18. Animaciones de entrada
  19. Media queries
================================================================ */


/* ================================================================
   1. VARIABLES & TOKENS
================================================================ */
:root {
  /* Fondos oscuros */
  --dark-0:      #060810;
  --dark-1:      #0B0E18;
  --dark-2:      #101520;
  --dark-3:      #161C2A;
  --dark-border: #1E2638;

  /* Accent — ámbar cálido */
  --accent:        #F59E0B;
  --accent-hover:  #FBBF24;
  --accent-dim:    rgba(245, 158, 11, 0.65);
  --accent-glow:   rgba(245, 158, 11, 0.18);
  --accent-subtle: rgba(245, 158, 11, 0.07);

  /* Texto sobre oscuro */
  --dark-text-1: #EEF2FC;
  --dark-text-2: #8A94A8;
  --dark-text-3: #4E5A6E;

  /* Fondos claros */
  --light-0:      #F4F6FB;
  --light-1:      #FFFFFF;
  --light-border: #DDE3EF;

  /* Texto sobre claro */
  --light-text-1: #0D1220;
  --light-text-2: #4A5568;
  --light-text-3: #8895AD;

  /* Estado */
  --green: #10B981;
  --red:   #EF4444;

  /* Tipografía */
  --font-display: 'Syne', sans-serif;
  --font-body:    'DM Sans', sans-serif;

  /* Radios */
  --r-xs: 4px;
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 22px;
  --r-xl: 32px;
  --r-full: 9999px;

  /* Layout */
  --max-w: 1180px;
  --pad-x: clamp(20px, 5vw, 48px);
  --section-py: clamp(80px, 10vw, 140px);
}


/* ================================================================
   2. RESET & BASE
================================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--light-text-1);
  background: var(--light-1);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

svg {
  flex-shrink: 0;
}


/* ================================================================
   3. TIPOGRAFÍA
================================================================ */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.6rem, 5.5vw, 4.2rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.15rem, 2vw, 1.35rem); }

p {
  font-size: clamp(0.95rem, 1.5vw, 1.05rem);
  line-height: 1.7;
}

strong { font-weight: 600; }

em { font-style: italic; }

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


/* ================================================================
   4. LAYOUT & UTILIDADES
================================================================ */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad-x);
}

.section {
  padding: var(--section-py) 0;
}

.section-dark {
  background: var(--dark-1);
  color: var(--dark-text-1);
}

.section-light {
  background: var(--light-0);
  color: var(--light-text-1);
}

/* Encabezados de sección */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-subtle);
  border: 1px solid rgba(245, 158, 11, 0.2);
  border-radius: var(--r-full);
  padding: 6px 14px;
  margin-bottom: 20px;
}

.section-tag.tag-light {
  background: rgba(245, 158, 11, 0.12);
  border-color: rgba(245, 158, 11, 0.25);
}

.section-title {
  margin-bottom: 16px;
}

.section-title.light {
  color: var(--dark-text-1);
}

.section-sub {
  color: var(--light-text-2);
  max-width: 600px;
  margin-bottom: 56px;
}

.section-sub.light {
  color: var(--dark-text-2);
}


/* ================================================================
   5. BOTONES
================================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--r-full);
  padding: 12px 24px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
  white-space: nowrap;
  text-align: center;
  justify-content: center;
}

.btn:active {
  transform: scale(0.97);
}

/* Primario — ámbar sólido */
.btn-primary {
  background: var(--accent);
  color: #0D1220;
}
.btn-primary:hover {
  background: var(--accent-hover);
  box-shadow: 0 6px 28px rgba(245, 158, 11, 0.4);
  transform: translateY(-1px);
}

/* Glow extra para CTA final */
.btn-glow {
  box-shadow: 0 0 0 0 rgba(245, 158, 11, 0);
  animation: pulse-glow 3s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(245,158,11,0); }
  50%       { box-shadow: 0 0 32px 6px rgba(245,158,11,0.3); }
}

/* Ghost claro (sobre fondo oscuro) */
.btn-ghost-light {
  background: rgba(255, 255, 255, 0.07);
  color: var(--dark-text-1);
  border: 1px solid rgba(255, 255, 255, 0.12);
}
.btn-ghost-light:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.2);
}

/* Accent navbar */
.btn-accent {
  background: var(--accent);
  color: #0D1220;
}
.btn-accent:hover {
  background: var(--accent-hover);
}

/* Tamaños */
.btn-sm  { font-size: 0.85rem; padding: 8px 18px; }
.btn-xl  { font-size: 1.05rem; padding: 15px 32px; }


/* ================================================================
   6. NAVEGACIÓN
================================================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: 72px;
  display: flex;
  align-items: center;
  transition: background 0.3s ease, border-color 0.3s ease, backdrop-filter 0.3s ease;
  border-bottom: 1px solid transparent;
}

.nav.scrolled {
  background: rgba(6, 8, 16, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--dark-border);
}

.nav-inner {
  display: flex;
  align-items: center;
  gap: 32px;
}

/* Marca */
.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.nav-logo-img {
  height: 32px;
  width: auto;
  object-fit: contain;
}

.nav-logo-fallback {
  display: none;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--dark-text-1);
  letter-spacing: -0.02em;
}

.nav-logo-fallback svg {
  color: var(--accent);
}

/* Links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--dark-text-2);
  padding: 8px 14px;
  border-radius: var(--r-full);
  transition: color 0.2s, background 0.2s;
}

.nav-link:hover {
  color: var(--dark-text-1);
  background: rgba(255,255,255,0.06);
}

.nav-cta {
  flex-shrink: 0;
}

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  margin-left: auto;
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--dark-text-1);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

.nav-hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.active span:nth-child(2) { opacity: 0; }
.nav-hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }


/* ================================================================
   7. HERO
================================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  background: var(--dark-0);
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 72px; /* nav height */
}

/* Luz ambiental de fondo */
.hero-ambient {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 70% 50%, rgba(245, 158, 11, 0.055) 0%, transparent 70%),
    radial-gradient(ellipse 40% 60% at 20% 80%, rgba(59, 130, 246, 0.03) 0%, transparent 60%);
  pointer-events: none;
}

/* Layout del hero */
.hero-container {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 40px;
  padding-top: 60px;
  padding-bottom: 80px;
  min-height: calc(100vh - 72px);
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0;
}

/* Badge */
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.22);
  border-radius: var(--r-full);
  padding: 6px 14px;
  margin-bottom: 24px;
}

.hero-badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 6px var(--accent);
  animation: badge-pulse 2s ease-in-out infinite;
}

@keyframes badge-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.6; transform: scale(0.85); }
}

/* Titular principal */
.hero-headline {
  color: var(--dark-text-1);
  margin-bottom: 24px;
  font-size: clamp(2.6rem, 5.5vw, 4.4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

/* Subtítulo */
.hero-sub {
  color: var(--dark-text-2);
  font-size: clamp(1rem, 1.8vw, 1.15rem);
  line-height: 1.65;
  max-width: 520px;
  margin-bottom: 36px;
}

.hero-sub strong {
  color: var(--dark-text-1);
}

/* Acciones */
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 48px;
}

/* Stats del hero */
.hero-stats {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 20px 28px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--dark-border);
  border-radius: var(--r-lg);
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.stat-val {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.02em;
  line-height: 1;
}

.stat-label {
  font-size: 0.72rem;
  color: var(--dark-text-3);
  line-height: 1.3;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.stat-sep {
  width: 1px;
  height: 36px;
  background: var(--dark-border);
  flex-shrink: 0;
}


/* ================================================================
   8. RADAR (animación del hero)
================================================================ */
.hero-radar {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 580px;
  height: 580px;
  pointer-events: none;
  z-index: 1;

  /* Fade por el lado izquierdo para que se integre */
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 22%);
  mask-image: linear-gradient(to right, transparent 0%, black 22%);
}

/* Anillos concéntricos */
.radar-rings {
  position: absolute;
  inset: 0;
}

.radar-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.r1 { width: 100px;  height: 100px;  border-color: rgba(245, 158, 11, 0.5); }
.r2 { width: 200px;  height: 200px;  border-color: rgba(245, 158, 11, 0.3); }
.r3 { width: 320px;  height: 320px;  border-color: rgba(245, 158, 11, 0.18); }
.r4 { width: 440px;  height: 440px;  border-color: rgba(245, 158, 11, 0.1); }
.r5 { width: 560px;  height: 560px;  border-color: rgba(245, 158, 11, 0.05); }

/* Sweep (barrido giratorio) */
.radar-sweep {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: conic-gradient(
    from 0deg,
    transparent 0deg,
    rgba(245, 158, 11, 0.22) 40deg,
    rgba(245, 158, 11, 0.06) 80deg,
    transparent 100deg
  );
  animation: radar-spin 3.2s linear infinite;
  transform-origin: center;
}

@keyframes radar-spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* Mira central */
.radar-crosshair {
  position: absolute;
  top: 50%;
  left: 50%;
  background: rgba(245, 158, 11, 0.15);
}
.ch-h {
  width: 560px;
  height: 1px;
  transform: translate(-50%, -50%);
}
.ch-v {
  width: 1px;
  height: 560px;
  transform: translate(-50%, -50%);
}

/* Centro del radar */
.radar-center-dot {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 16px var(--accent), 0 0 32px rgba(245,158,11,0.4);
}

/* Puntos de empresas encontradas */
.biz-dot {
  position: absolute;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.08; /* estado base: casi invisible entre pasadas del radar */
  animation: radar-blip 3.2s linear infinite;
}

.biz-dot::after {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 1.5px solid var(--accent);
  animation: dot-ring 3.2s linear infinite; /* sincronizado con el sweep */
}

/* Íconos dentro del punto — apilados, ciclan entre estados */
.biz-icon {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
}

/*
  Íconos: ciclo de 9.6s = exactamente 3 pasadas del radar (3 × 3.2s)
  El cambio de ícono ocurre en 33.3% y 66.6% = justo cuando el sweep pasa.
  El flash del blip oculta el corte, haciendo la transición invisible.
*/

/* Pin — empresa encontrada (ámbar) */
.biz-icon-pin {
  color: var(--accent);
  filter: drop-shadow(0 0 3px rgba(245,158,11,0.8));
  animation: icon-pin 9.6s linear infinite;
}

/* Sobre — mensaje enviado (azul) */
.biz-icon-env {
  color: #60A5FA;
  filter: drop-shadow(0 0 3px rgba(96,165,250,0.8));
  animation: icon-env 9.6s linear infinite;
}

/* Check — respondió (verde) */
.biz-icon-check {
  color: #34D399;
  filter: drop-shadow(0 0 3px rgba(52,211,153,0.8));
  animation: icon-check 9.6s linear infinite;
}

/* Pin: visible en la 1ª pasada, desaparece en la 2ª */
@keyframes icon-pin {
  0%     { opacity: 1; }
  32%    { opacity: 1; }
  33.3%  { opacity: 0; }
  100%   { opacity: 0; }
}

/* Sobre: aparece en la 2ª pasada, desaparece en la 3ª */
@keyframes icon-env {
  0%     { opacity: 0; }
  33.3%  { opacity: 0; }
  34.5%  { opacity: 1; }
  65%    { opacity: 1; }
  66.6%  { opacity: 0; }
  100%   { opacity: 0; }
}

/* Check: aparece en la 3ª pasada, desaparece al empezar de nuevo */
@keyframes icon-check {
  0%     { opacity: 0; }
  66.6%  { opacity: 0; }
  67.8%  { opacity: 1; }
  98%    { opacity: 1; }
  100%   { opacity: 0; }
}

/* Labels de empresas */
.biz-label {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
  font-family: var(--font-body);
  font-size: 0.65rem;
  font-weight: 500;
  color: var(--accent);
  background: rgba(6, 8, 16, 0.92);
  border: 1px solid rgba(245, 158, 11, 0.25);
  border-radius: var(--r-xs);
  padding: 3px 7px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}

.biz-dot:hover .biz-label {
  opacity: 1;
}

/* Blip sincronizado con el sweep del radar (3.2s = 1 vuelta completa) */
@keyframes radar-blip {
  0%   { opacity: 1;    transform: scale(1.35); } /* el sweep pasa por encima */
  6%   { opacity: 0.85; transform: scale(1.1); }  /* afterglow inmediato */
  20%  { opacity: 0.5;  transform: scale(1); }
  60%  { opacity: 0.18; transform: scale(0.95); }
  90%  { opacity: 0.08; transform: scale(0.9); }  /* casi invisible, esperando */
  100% { opacity: 1;    transform: scale(1.35); } /* el sweep vuelve */
}

/* Onda expansiva: se dispara al mismo tiempo que el blip */
@keyframes dot-ring {
  0%   { transform: scale(1);   opacity: 0.8; }
  22%  { transform: scale(2.8); opacity: 0; }
  23%  { transform: scale(1);   opacity: 0; }  /* reset invisible */
  100% { transform: scale(1);   opacity: 0; }  /* quieto hasta el próximo blip */
}

/*
  Posiciones + delays calculados por ángulo respecto al centro del radar.
  El sweep da 1 vuelta en 3.2s. delay = ángulo/360 * 3.2s
  bd1 ~18°→0.16s | bd2 ~55°→0.49s | bd3 ~94°→0.83s | bd4 ~144°→1.28s
  bd5 ~196°→1.74s | bd6 ~257°→2.28s | bd7 ~322°→2.86s
*/
.bd1 { top: 17%; left: 61%; animation-delay: -0.09s; }
.bd2 { top: 30%; left: 78%; animation-delay:  0.24s; }
.bd3 { top: 52%; left: 80%; animation-delay:  0.58s; }
.bd4 { top: 68%; left: 63%; animation-delay:  1.03s; }
.bd5 { top: 71%; left: 44%; animation-delay:  1.49s; }
.bd6 { top: 55%; left: 29%; animation-delay:  2.03s; }
.bd7 { top: 32%; left: 36%; animation-delay:  2.61s; }

/* Onda expansiva sincronizada con el blip de cada punto */
.bd1::after { animation-delay: -0.09s; }
.bd2::after { animation-delay:  0.24s; }
.bd3::after { animation-delay:  0.58s; }
.bd4::after { animation-delay:  1.03s; }
.bd5::after { animation-delay:  1.49s; }
.bd6::after { animation-delay:  2.03s; }
.bd7::after { animation-delay:  2.61s; }

/*
  Íconos distribuidos en 7 fases distintas del ciclo de 9.6s (cada ~1.37s).
  Así siempre hay una mezcla de pins, sobres y checks visible.
  bd1-bd3 → fase pin | bd4-bd5 → fase sobre | bd6-bd7 → fase check
*/
.bd1 .biz-icon { animation-delay:  0s; }
.bd2 .biz-icon { animation-delay: -1.37s; }
.bd3 .biz-icon { animation-delay: -2.74s; }
.bd4 .biz-icon { animation-delay: -4.11s; }
.bd5 .biz-icon { animation-delay: -5.49s; }
.bd6 .biz-icon { animation-delay: -6.86s; }
.bd7 .biz-icon { animation-delay: -8.23s; }

.bd1 .biz-label { bottom: auto; top: calc(100% + 8px); }
.bd7 .biz-label { bottom: auto; top: calc(100% + 8px); }


/* ================================================================
   9. PROBLEMA
================================================================ */

/* Grid de tarjetas */
.problem-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 64px;
}

.problem-card {
  background: var(--light-1);
  border: 1px solid var(--light-border);
  border-radius: var(--r-lg);
  padding: 28px 24px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.problem-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(13, 18, 32, 0.1);
}

.problem-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--r-sm);
  background: var(--light-0);
  border: 1px solid var(--light-border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--light-text-2);
}

.problem-card h3 {
  font-size: 1rem;
  margin-bottom: 10px;
  color: var(--light-text-1);
}

.problem-card p {
  font-size: 0.9rem;
  color: var(--light-text-2);
  line-height: 1.6;
}

/* Antes / Después */
.before-after {
  display: flex;
  align-items: stretch;
  gap: 0;
  background: var(--light-1);
  border: 1px solid var(--light-border);
  border-radius: var(--r-xl);
  overflow: hidden;
}

.ba-col {
  flex: 1;
  padding: 36px 36px;
}

.ba-before {
  background: rgba(239, 68, 68, 0.03);
}

.ba-after {
  background: rgba(16, 185, 129, 0.03);
}

.ba-label {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.ba-label-before { color: var(--red); }
.ba-label-after  { color: var(--green); }

.ba-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.ba-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.92rem;
  color: var(--light-text-2);
  line-height: 1.4;
}

.ba-list li svg {
  flex-shrink: 0;
}

.ba-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 16px;
  color: var(--light-text-3);
  border-left: 1px solid var(--light-border);
  border-right: 1px solid var(--light-border);
  background: var(--light-0);
}


/* ================================================================
   10. CÓMO FUNCIONA (STEPS)
================================================================ */
.steps-wrap {
  position: relative;
}

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

.step {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 24px;
  padding: 36px 0;
  border-bottom: 1px solid var(--dark-border);
  position: relative;
}

.step:last-child {
  border-bottom: none;
}

/* Barra lateral de conexión */
.step::before {
  content: '';
  position: absolute;
  left: 35px;
  top: 80px;
  bottom: -36px;
  width: 1px;
  background: linear-gradient(to bottom, rgba(245,158,11,0.3), transparent);
}

.step:last-child::before {
  display: none;
}

.step-head {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding-top: 6px;
}

.step-number {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--accent);
  line-height: 1;
}

.step-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--dark-2);
  border: 1px solid var(--dark-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}

.step-body {
  padding-top: 4px;
}

.step-body h3 {
  color: var(--dark-text-1);
  font-size: 1.2rem;
  margin-bottom: 10px;
}

.step-body p {
  color: var(--dark-text-2);
  font-size: 0.95rem;
  line-height: 1.65;
  max-width: 600px;
  margin-bottom: 16px;
}

/* Tags de tecnología de cada step */
.step-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.step-tag-item {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--dark-text-2);
  background: var(--dark-2);
  border: 1px solid var(--dark-border);
  border-radius: var(--r-full);
  padding: 4px 10px;
}

/* Mockup de mensaje (en step 3) */
.msg-mockup {
  margin-top: 24px;
  background: #0D1220;
  border: 1px solid #1E2A3D;
  border-radius: var(--r-md);
  overflow: hidden;
  max-width: 520px;
}

.msg-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 12px 16px;
  background: #111828;
  border-bottom: 1px solid #1E2A3D;
}

.msg-header-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.dot-red    { background: #FF5F57; }
.dot-yellow { background: #FFBD2E; }
.dot-green  { background: #28CA41; }

.msg-header-title {
  font-size: 0.72rem;
  color: #4E5A6E;
  margin-left: 6px;
}

.msg-body {
  padding: 18px 20px;
}

.msg-field {
  font-size: 0.82rem;
  color: #4E5A6E;
  margin-bottom: 4px;
  line-height: 1.5;
}

.msg-label {
  font-weight: 600;
  color: #6B7A92;
}

.msg-divider {
  border: none;
  border-top: 1px solid #1E2A3D;
  margin: 12px 0;
}

.msg-text {
  font-size: 0.88rem;
  color: #9BA8BE;
  line-height: 1.65;
}

.msg-sig {
  font-size: 0.85rem;
  color: #6B7A92;
  margin-top: 10px;
}

.msg-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.7rem;
  color: var(--accent-dim);
  padding: 10px 16px;
  background: rgba(245, 158, 11, 0.04);
  border-top: 1px solid rgba(245, 158, 11, 0.1);
}


/* ================================================================
   11. DIFERENCIALES
================================================================ */
.diff-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 24px;
}

.diff-card {
  background: var(--light-1);
  border: 1px solid var(--light-border);
  border-radius: var(--r-lg);
  padding: 32px 28px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.diff-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(13, 18, 32, 0.1);
}

/* Tarjeta destacada (la grande, con el diferencial principal) */
.diff-featured {
  background: var(--light-text-1);
  border-color: transparent;
  color: var(--dark-text-1);
}

.diff-featured h3 {
  color: var(--dark-text-1);
}

.diff-featured p {
  color: var(--dark-text-2);
}

.diff-eyebrow {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}

.diff-icon {
  width: 54px;
  height: 54px;
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.diff-featured .diff-icon {
  background: rgba(245, 158, 11, 0.12);
  color: var(--accent);
}

.diff-card:not(.diff-featured) .diff-icon {
  background: var(--light-0);
  border: 1px solid var(--light-border);
  color: var(--light-text-2);
}

.diff-card:not(.diff-featured) h3 {
  font-size: 1.15rem;
  margin-bottom: 12px;
  color: var(--light-text-1);
}

.diff-card p {
  font-size: 0.9rem;
  color: var(--light-text-2);
  line-height: 1.65;
  margin-bottom: 20px;
}

.diff-highlight {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent);
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.2);
  border-radius: var(--r-full);
  padding: 6px 14px;
}


/* ================================================================
   12. PARA QUIÉN
================================================================ */
.fw-grid {
  display: flex;
  gap: 0;
  background: var(--dark-2);
  border: 1px solid var(--dark-border);
  border-radius: var(--r-xl);
  overflow: hidden;
}

.fw-col {
  flex: 1;
  padding: 40px 40px;
}

.fw-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.fw-yes .fw-label { color: var(--green); }
.fw-no  .fw-label { color: var(--dark-text-3); }

.fw-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.fw-list li {
  font-size: 0.92rem;
  color: var(--dark-text-2);
  line-height: 1.5;
}

.fw-divider {
  width: 1px;
  background: var(--dark-border);
  flex-shrink: 0;
}


/* ================================================================
   13. SERVICIO
================================================================ */
.service-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.service-card {
  background: var(--light-1);
  border: 1px solid var(--light-border);
  border-radius: var(--r-lg);
  padding: 36px 32px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.service-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 36px rgba(13, 18, 32, 0.09);
}

.service-card-featured {
  background: var(--light-text-1);
  border-color: transparent;
}

.service-step-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.2);
  border-radius: var(--r-full);
  padding: 5px 12px;
  margin-bottom: 20px;
}

.service-title {
  font-size: 1.5rem;
  margin-bottom: 12px;
  color: var(--light-text-1);
}

.service-card-featured .service-title {
  color: var(--dark-text-1);
}

.service-desc {
  font-size: 0.92rem;
  color: var(--light-text-2);
  margin-bottom: 24px;
  line-height: 1.65;
}

.service-card-featured .service-desc {
  color: var(--dark-text-2);
}

.service-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.service-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--light-text-2);
}

.service-card-featured .service-list li {
  color: var(--dark-text-2);
}

.service-list li svg {
  flex-shrink: 0;
  color: var(--accent);
}


/* ================================================================
   14. CONFIANZA / TECNOLOGÍA
================================================================ */
.trust-section {
  background: var(--dark-0);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.trust-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: var(--dark-2);
  border: 1px solid var(--dark-border);
  border-radius: var(--r-md);
  padding: 22px 20px;
  transition: border-color 0.2s ease;
}

.trust-item:hover {
  border-color: rgba(245, 158, 11, 0.25);
}

.trust-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--r-sm);
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--accent-dim);
}

.trust-name {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--dark-text-1);
  margin-bottom: 4px;
}

.trust-detail {
  font-size: 0.82rem;
  color: var(--dark-text-3);
  line-height: 1.4;
}


/* ================================================================
   15. FAQ
================================================================ */
.faq-container {
  max-width: 760px;
}

.faq-list {
  margin-top: 16px;
}

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

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 0;
  text-align: left;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--light-text-1);
  transition: color 0.2s;
}

.faq-question:hover {
  color: var(--accent);
}

.faq-chevron {
  flex-shrink: 0;
  color: var(--light-text-3);
  transition: transform 0.3s ease;
}

.faq-item.open .faq-chevron {
  transform: rotate(180deg);
}

.faq-item.open .faq-question {
  color: var(--accent);
}

.faq-answer {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.35s ease, padding 0.3s ease;
  padding-bottom: 0;
}

.faq-answer[hidden] {
  display: block; /* override hidden for animation */
  visibility: hidden;
  max-height: 0;
  padding-bottom: 0;
}

.faq-item.open .faq-answer {
  max-height: 400px;
  padding-bottom: 22px;
  visibility: visible;
}

.faq-answer p {
  font-size: 0.95rem;
  color: var(--light-text-2);
  line-height: 1.7;
}


/* ================================================================
   16. CTA FINAL
================================================================ */
.final-cta {
  position: relative;
  background: var(--dark-0);
  padding: clamp(100px, 14vw, 180px) 0;
  overflow: hidden;
  text-align: center;
}

/* Radar decorativo de fondo */
.cta-radar-bg {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: 0;
}

.cta-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: cta-ring-pulse 4s ease-in-out infinite;
}

.ctr1 {
  width: 300px;
  height: 300px;
  border-color: rgba(245, 158, 11, 0.12);
  animation-delay: 0s;
}
.ctr2 {
  width: 550px;
  height: 550px;
  border-color: rgba(245, 158, 11, 0.07);
  animation-delay: 0.8s;
}
.ctr3 {
  width: 800px;
  height: 800px;
  border-color: rgba(245, 158, 11, 0.03);
  animation-delay: 1.6s;
}

@keyframes cta-ring-pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.4; }
}

.cta-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 300px;
  background: radial-gradient(ellipse, rgba(245,158,11,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.cta-container {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.cta-eyebrow {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}

.cta-title {
  font-size: clamp(2rem, 4.5vw, 3.4rem);
  color: var(--dark-text-1);
  margin-bottom: 20px;
  max-width: 720px;
}

.cta-sub {
  font-size: 1.05rem;
  color: var(--dark-text-2);
  margin-bottom: 40px;
  max-width: 480px;
}

.cta-note {
  display: flex;
  align-items: center;
  gap: 6px;
  justify-content: center;
  font-size: 0.85rem;
  color: var(--dark-text-3);
  margin-top: 20px;
  cursor: default;
}


/* ================================================================
   17. FOOTER
================================================================ */
.footer {
  background: var(--dark-0);
  border-top: 1px solid var(--dark-border);
  padding: 48px 0;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
  text-align: center;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.footer-logo {
  height: 28px;
  width: auto;
  object-fit: contain;
}

.footer-logo-fallback {
  display: none;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 800;
  color: var(--dark-text-1);
}

.footer-logo-fallback svg {
  color: var(--accent);
}

.footer-tagline {
  font-size: 0.85rem;
  color: var(--dark-text-3);
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 24px;
  justify-content: center;
}

.footer-nav a {
  font-size: 0.85rem;
  color: var(--dark-text-3);
  transition: color 0.2s;
}

.footer-nav a:hover {
  color: var(--accent);
}

.footer-copy {
  font-size: 0.8rem;
  color: var(--dark-text-3);
}


/* ================================================================
   18. ANIMACIONES DE ENTRADA
================================================================ */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-up-delay-1 { transition-delay: 0.1s; }
.fade-up-delay-2 { transition-delay: 0.2s; }
.fade-up-delay-3 { transition-delay: 0.3s; }
.fade-up-delay-4 { transition-delay: 0.4s; }


/* ================================================================
   19. MEDIA QUERIES
================================================================ */

/* ---- Tablet grande: ≤ 1100px ---- */
@media (max-width: 1100px) {
  .problem-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .diff-grid {
    grid-template-columns: 1fr 1fr;
  }

  .diff-featured {
    grid-column: 1 / -1;
  }

  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ---- Tablet: ≤ 900px ---- */
@media (max-width: 900px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: left;
    padding-top: 80px;
    padding-bottom: 100px;
    min-height: auto;
  }

  .hero-radar {
    position: absolute;
    width: 400px;
    height: 400px;
    right: -60px;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0.45;
  }

  .r5 { width: 390px; height: 390px; }
  .r4 { width: 300px; height: 300px; }
  .r3 { width: 220px; height: 220px; }
  .r2 { width: 140px; height: 140px; }

  .ch-h { width: 390px; }
  .ch-v  { height: 390px; }

  .hero-stats {
    gap: 16px;
    padding: 16px 20px;
    flex-wrap: wrap;
  }

  .stat-val {
    font-size: 1.3rem;
  }

  .fw-grid {
    flex-direction: column;
  }

  .fw-divider {
    width: auto;
    height: 1px;
  }

  .service-grid {
    grid-template-columns: 1fr;
  }

  .diff-grid {
    grid-template-columns: 1fr;
  }

  .before-after {
    flex-direction: column;
    border-radius: var(--r-lg);
  }

  .ba-arrow {
    padding: 8px 0;
    border: none;
    background: transparent;
    transform: rotate(90deg);
  }
}

/* ---- Mobile: ≤ 640px ---- */
@media (max-width: 640px) {
  /* Nav */
  .nav-links {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(6, 8, 16, 0.97);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--dark-border);
    flex-direction: column;
    align-items: stretch;
    padding: 16px 0;
    gap: 0;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-link {
    padding: 14px 24px;
    border-radius: 0;
  }

  .nav-cta {
    display: none;
  }

  .nav-hamburger {
    display: flex;
  }

  /* Hero */
  .hero-container {
    padding-top: 64px;
    padding-bottom: 80px;
  }

  .hero-radar {
    width: 280px;
    height: 280px;
    opacity: 0.25;
    top: 30%;
    right: -40px;
  }

  .r5, .r4 { display: none; }
  .r3 { width: 260px; height: 260px; }
  .r2 { width: 160px; height: 160px; }
  .r1 { width: 80px;  height: 80px; }
  .ch-h { width: 260px; }
  .ch-v  { height: 260px; }

  .biz-label { display: none; }

  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .btn-xl {
    width: 100%;
    justify-content: center;
  }

  .hero-stats {
    gap: 14px;
    padding: 14px 16px;
  }

  .stat-sep { display: none; }

  /* Problema */
  .problem-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .ba-col {
    padding: 24px 20px;
  }

  /* Steps */
  .step {
    grid-template-columns: 56px 1fr;
    gap: 16px;
  }

  .step::before {
    left: 24px;
  }

  /* Diferenciales */
  .diff-card {
    padding: 24px 20px;
  }

  /* Para quién */
  .fw-col {
    padding: 28px 24px;
  }

  /* Servicio */
  .service-card {
    padding: 28px 24px;
  }

  /* Trust */
  .trust-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  /* CTA */
  .cta-title {
    font-size: clamp(1.8rem, 7vw, 2.6rem);
  }
}

/* ---- Muy pequeño: ≤ 400px ---- */
@media (max-width: 400px) {
  :root {
    --pad-x: 16px;
  }

  .hero-headline {
    font-size: 2.3rem;
  }
}