/* =============================================
   API IMPUESTOS - LANDING PAGE STYLES
   Inspirado en Stripe, HubSpot y Salesforce
   Versión: 1.0.0
   ============================================= */

/* ----------- DESIGN TOKENS ----------- */
:root {
  /* Colores Corporativos */
  --blue-900: #0d2547;
  --blue-800: #1a3a6b;
  --blue-700: #1e4d8c;
  --blue-600: #2563eb;
  --blue-500: #3b82f6;
  --blue-400: #60a5fa;
  --blue-100: #dbeafe;
  --blue-50:  #eff6ff;

  /* WhatsApp */
  --whatsapp:        #25d366;
  --whatsapp-dark:   #128c7e;
  --whatsapp-light:  #dcf8c6;

  /* Grises */
  --gray-900: #111827;
  --gray-800: #1f2937;
  --gray-700: #374151;
  --gray-600: #4b5563;
  --gray-500: #6b7280;
  --gray-400: #9ca3af;
  --gray-300: #d1d5db;
  --gray-200: #e5e7eb;
  --gray-100: #f3f4f6;
  --gray-50:  #f9fafb;

  /* Acento */
  --accent-gold:   #f59e0b;
  --accent-green:  #10b981;
  --accent-red:    #ef4444;

  /* Tipografía */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Plus Jakarta Sans', var(--font-sans);

  /* Espaciado */
  --section-py: 96px;
  --container-max: 1200px;

  /* Sombras */
  --shadow-sm:  0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md:  0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg:  0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl:  0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
  --shadow-blue: 0 20px 40px -10px rgb(37 99 235 / 0.3);
  --shadow-wa:   0 8px 24px rgb(37 211 102 / 0.35);

  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Transiciones */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  color: var(--gray-800);
  background: #fff;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul { list-style: none; }

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

/* ----------- UTILIDADES ----------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

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

.section--gray {
  background: var(--gray-50);
}

.section--blue {
  background: linear-gradient(135deg, var(--blue-900) 0%, var(--blue-800) 50%, var(--blue-700) 100%);
  color: #fff;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--blue-50);
  color: var(--blue-600);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  margin-bottom: 16px;
  border: 1px solid var(--blue-100);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 2.75rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--gray-900);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.section-title--white { color: #fff; }

.section-subtitle {
  font-size: 1.125rem;
  color: var(--gray-600);
  max-width: 600px;
  line-height: 1.7;
}

.section-subtitle--white { color: rgba(255,255,255,0.8); }

.text-center { text-align: center; }
.text-center .section-subtitle { margin: 0 auto; }

/* ----------- BOTONES ----------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 600;
  font-family: inherit;
  transition: all var(--transition-base);
  cursor: pointer;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
  border: 2px solid transparent;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.12);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn:hover::before { opacity: 1; }

.btn--primary {
  background: var(--blue-600);
  color: #fff;
  box-shadow: var(--shadow-blue);
}

.btn--primary:hover {
  background: var(--blue-700);
  transform: translateY(-2px);
  box-shadow: 0 24px 48px -10px rgb(37 99 235 / 0.4);
}

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

.btn--outline {
  background: transparent;
  color: var(--blue-600);
  border-color: var(--blue-300);
}

.btn--outline:hover {
  background: var(--blue-50);
  border-color: var(--blue-600);
  transform: translateY(-2px);
}

.btn--outline--white {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.35);
}

.btn--outline--white:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.7);
}

.btn--whatsapp {
  background: var(--whatsapp);
  color: #fff;
  box-shadow: var(--shadow-wa);
}

.btn--whatsapp:hover {
  background: var(--whatsapp-dark);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgb(37 211 102 / 0.45);
}

.btn--whatsapp-lg {
  padding: 18px 36px;
  font-size: 1.125rem;
  border-radius: var(--radius-lg);
}

.btn-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

/* ----------- NAVBAR ----------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 24px;
  height: 72px;
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: all var(--transition-base);
}

.navbar.scrolled {
  border-bottom-color: var(--gray-200);
  box-shadow: var(--shadow-md);
}

.navbar__inner {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar__logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--blue-600), var(--blue-800));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.logo-icon svg { width: 20px; height: 20px; fill: #fff; }

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.logo-text span:first-child {
  font-size: 1.0625rem;
  font-weight: 800;
  color: var(--blue-800);
  letter-spacing: -0.02em;
  font-family: var(--font-display);
}

.logo-text span:last-child {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 2px;
}

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

.navbar__nav a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gray-600);
  transition: color var(--transition-fast);
}

.navbar__nav a:hover { color: var(--blue-600); }

.navbar__actions { display: flex; align-items: center; gap: 12px; }

.navbar__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 6px;
  cursor: pointer;
}

.navbar__toggle span {
  width: 24px;
  height: 2px;
  background: var(--gray-700);
  border-radius: 2px;
  transition: all var(--transition-base);
  display: block;
}

/* Mobile Nav */
.navbar__mobile {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  background: #fff;
  border-bottom: 1px solid var(--gray-200);
  padding: 20px 24px;
  z-index: 999;
  box-shadow: var(--shadow-lg);
  flex-direction: column;
  gap: 16px;
}

.navbar__mobile.active { display: flex; }

.navbar__mobile a {
  font-size: 1rem;
  font-weight: 500;
  color: var(--gray-700);
  padding: 8px 0;
  border-bottom: 1px solid var(--gray-100);
}

/* ----------- HERO SECTION ----------- */
.hero {
  padding-top: 144px;
  padding-bottom: 96px;
  background: linear-gradient(160deg, #fff 0%, var(--blue-50) 60%, #fff 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, var(--blue-100) 0%, transparent 65%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -150px;
  left: -150px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(37,99,235,0.07) 0%, transparent 65%);
  pointer-events: none;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero__content {}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--blue-50), rgba(37,99,235,0.05));
  border: 1px solid var(--blue-200);
  color: var(--blue-700);
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  margin-bottom: 24px;
  animation: fadeInDown 0.6s ease both;
}

.hero__badge-dot {
  width: 8px;
  height: 8px;
  background: var(--accent-green);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.25); }
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.1;
  color: var(--gray-900);
  margin-bottom: 24px;
  letter-spacing: -0.03em;
  animation: fadeInUp 0.6s ease 0.1s both;
}

.hero__title .highlight {
  background: linear-gradient(135deg, var(--blue-600), var(--blue-800));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: 1.125rem;
  color: var(--gray-600);
  margin-bottom: 36px;
  line-height: 1.75;
  animation: fadeInUp 0.6s ease 0.2s both;
}

.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  animation: fadeInUp 0.6s ease 0.3s both;
}

.hero__stats {
  display: flex;
  gap: 32px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--gray-200);
  animation: fadeInUp 0.6s ease 0.4s both;
}

.stat {
  display: flex;
  flex-direction: column;
}

.stat__value {
  font-family: var(--font-display);
  font-size: 1.625rem;
  font-weight: 800;
  color: var(--blue-700);
  line-height: 1;
  letter-spacing: -0.02em;
}

.stat__label {
  font-size: 0.8rem;
  color: var(--gray-500);
  margin-top: 4px;
  font-weight: 500;
}

.hero__visual {
  position: relative;
  animation: fadeInRight 0.8s ease 0.2s both;
}

.hero__image-wrapper {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-2xl);
  border: 1px solid var(--gray-200);
}

.hero__image-wrapper img {
  width: 100%;
  height: auto;
  display: block;
}

.hero__floating-card {
  position: absolute;
  background: #fff;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  padding: 12px 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--gray-200);
  animation: float 4s ease-in-out infinite;
}

.hero__floating-card--1 {
  bottom: -20px;
  left: -24px;
  animation-delay: 0s;
}

.hero__floating-card--2 {
  top: -16px;
  right: -16px;
  animation-delay: 2s;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.floating-card__icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.floating-card__icon--green { background: rgba(16,185,129,0.12); }
.floating-card__icon--blue  { background: rgba(37,99,235,0.1);  }

.floating-card__info p:first-child {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--gray-800);
}

.floating-card__info p:last-child {
  font-size: 0.7rem;
  color: var(--gray-500);
}

/* ----------- PROBLEMA SECTION ----------- */
.problem__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 56px;
}

.problem-card {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.problem-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-red), #ff8c00);
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.problem-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--gray-300);
}

.problem-card:hover::before { transform: scaleX(1); }

.problem-card__icon {
  width: 48px;
  height: 48px;
  background: rgba(239,68,68,0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.problem-card__content h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 6px;
}

.problem-card__content p {
  font-size: 0.875rem;
  color: var(--gray-500);
  line-height: 1.6;
}

/* ----------- SOLUCIÓN SECTION ----------- */
.solution__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.solution__features {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 40px;
}

.feature-row {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.06);
  transition: all var(--transition-base);
}

.feature-row:hover {
  background: rgba(255,255,255,0.12);
  transform: translateX(4px);
}

.feature-row__icon {
  width: 44px;
  height: 44px;
  background: rgba(255,255,255,0.15);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.375rem;
  flex-shrink: 0;
}

.feature-row__text h4 {
  font-size: 0.9375rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
}

.feature-row__text p {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.5;
}

.solution__visual {
  position: relative;
}

.solution__mockup {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-xl);
  padding: 28px;
  backdrop-filter: blur(8px);
}

.mockup__header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
}

.mockup__dots { display: flex; gap: 6px; }
.mockup__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.mockup__dot--red   { background: #ff5f57; }
.mockup__dot--yellow { background: #ffbd2e; }
.mockup__dot--green  { background: #28c840; }

.mockup__title {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.5);
  font-weight: 600;
  margin-left: auto;
}

.mockup__metric {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  padding: 16px;
  margin-bottom: 14px;
}

.mockup__metric-label {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.55);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
  margin-bottom: 8px;
}

.mockup__metric-bar {
  height: 6px;
  background: rgba(255,255,255,0.12);
  border-radius: 3px;
  margin-bottom: 6px;
  overflow: hidden;
}

.mockup__metric-fill {
  height: 100%;
  border-radius: 3px;
  background: linear-gradient(90deg, #25d366, #10b981);
  transition: width 1.5s ease;
}

.mockup__metric-value {
  font-size: 1.125rem;
  font-weight: 800;
  color: #fff;
}

/* ----------- BENEFICIOS SECTION ----------- */
.benefits__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 60px;
}

.benefit-card {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-xl);
  padding: 36px 28px;
  text-align: center;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.benefit-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--blue-50), transparent);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.benefit-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--blue-200);
}

.benefit-card:hover::after { opacity: 1; }

.benefit-card__content { position: relative; z-index: 1; }

.benefit-card__number {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--blue-600), var(--blue-800));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 8px;
}

.benefit-card__icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--blue-50), var(--blue-100));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin: 0 auto 16px;
  transition: transform var(--transition-base);
}

.benefit-card:hover .benefit-card__icon {
  transform: scale(1.1) rotate(-5deg);
}

.benefit-card__title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 10px;
}

.benefit-card__desc {
  font-size: 0.875rem;
  color: var(--gray-500);
  line-height: 1.65;
}

/* ----------- PARA QUIÉN ES ----------- */
.audience__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 56px;
}

.audience-card {
  background: #fff;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-xl);
  padding: 36px 24px;
  text-align: center;
  transition: all var(--transition-base);
  cursor: default;
}

.audience-card:hover {
  border-color: var(--blue-400);
  transform: translateY(-6px);
  box-shadow: var(--shadow-blue);
}

.audience-card__emoji {
  font-size: 3rem;
  margin-bottom: 20px;
  display: block;
  transition: transform var(--transition-base);
}

.audience-card:hover .audience-card__emoji {
  transform: scale(1.2);
}

.audience-card__title {
  font-size: 1.0625rem;
  font-weight: 800;
  color: var(--gray-900);
  margin-bottom: 10px;
}

.audience-card__desc {
  font-size: 0.875rem;
  color: var(--gray-500);
  line-height: 1.65;
}

/* ----------- TESTIMONIOS (CARRUSEL VUE) ----------- */
.testimonials {
  background: var(--gray-900);
  padding: var(--section-py) 0;
  color: #fff;
  overflow: hidden;
}

.testimonials .section-tag {
  background: rgba(37,99,235,0.2);
  border-color: rgba(37,99,235,0.3);
  color: var(--blue-400);
}

.carousel-wrapper {
  position: relative;
  margin-top: 56px;
  overflow: hidden;
}

.carousel-track {
  display: flex;
  transition: transform 0.6s cubic-bezier(0.25, 1, 0.5, 1);
}

.testimonial-card {
  min-width: 100%;
  padding: 0 12px;
}

.testimonial-card__inner {
  background: var(--gray-800);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-xl);
  padding: 44px 48px;
  max-width: 760px;
  margin: 0 auto;
  position: relative;
}

.testimonial-card__inner::before {
  content: '\201C';
  position: absolute;
  top: 20px;
  left: 40px;
  font-size: 7rem;
  color: rgba(37,99,235,0.3);
  font-family: Georgia, serif;
  line-height: 1;
}

.testimonial-card__stars {
  display: flex;
  gap: 4px;
  margin-bottom: 20px;
  font-size: 1.125rem;
}

.testimonial-card__quote {
  font-size: 1.125rem;
  color: rgba(255,255,255,0.88);
  line-height: 1.75;
  margin-bottom: 32px;
  font-style: italic;
  position: relative;
  z-index: 1;
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: 16px;
}

.testimonial-card__avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.375rem;
  font-weight: 700;
  flex-shrink: 0;
}

.testimonial-card__name {
  font-size: 0.9375rem;
  font-weight: 700;
  color: #fff;
}

.testimonial-card__role {
  font-size: 0.8125rem;
  color: var(--gray-400);
  margin-top: 2px;
}

.carousel-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 40px;
}

.carousel-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.15);
  background: rgba(255,255,255,0.05);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
  cursor: pointer;
  font-size: 1.25rem;
}

.carousel-btn:hover {
  background: var(--blue-600);
  border-color: var(--blue-600);
  transform: scale(1.08);
}

.carousel-dots {
  display: flex;
  gap: 8px;
}

.carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.25);
  cursor: pointer;
  transition: all var(--transition-base);
  border: none;
}

.carousel-dot.active {
  background: var(--blue-400);
  width: 24px;
  border-radius: 4px;
}

/* ----------- FAQ SECTION ----------- */
.faq__list {
  max-width: 760px;
  margin: 56px auto 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow var(--transition-base), border-color var(--transition-base);
}

.faq-item.active {
  border-color: var(--blue-300);
  box-shadow: 0 0 0 3px var(--blue-50);
}

.faq-item__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 24px;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  color: var(--gray-900);
  transition: background var(--transition-fast);
}

.faq-item__question:hover { background: var(--gray-50); }

.faq-item.active .faq-item__question {
  color: var(--blue-700);
}

.faq-icon {
  width: 28px;
  height: 28px;
  background: var(--gray-100);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.25rem;
  transition: all var(--transition-base);
  line-height: 1;
}

.faq-item.active .faq-icon {
  background: var(--blue-600);
  color: #fff;
  transform: rotate(45deg);
}

.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow) ease;
}

.faq-item.active .faq-item__answer {
  max-height: 300px;
}

.faq-item__answer-inner {
  padding: 0 24px 22px;
  font-size: 0.9375rem;
  color: var(--gray-600);
  line-height: 1.7;
}

/* ----------- CTA FINAL ----------- */
.cta-final {
  padding: var(--section-py) 0;
  background: linear-gradient(135deg, var(--blue-900) 0%, var(--blue-700) 100%);
  position: relative;
  overflow: hidden;
  text-align: center;
}

.cta-final::before {
  content: '';
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(37,99,235,0.25) 0%, transparent 65%);
  pointer-events: none;
}

.cta-final__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
  position: relative;
}

.cta-final__subtitle {
  font-size: 1.125rem;
  color: rgba(255,255,255,0.75);
  margin-bottom: 40px;
  max-width: 540px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}

.cta-final__actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  position: relative;
}

/* ----------- FOOTER ----------- */
.footer {
  background: var(--gray-900);
  color: rgba(255,255,255,0.7);
  padding: 60px 0 28px;
}

.footer__top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer__brand {}

.footer__brand .logo-text span:first-child { color: #fff; }
.footer__brand .logo-text span:last-child  { color: rgba(255,255,255,0.45); }

.footer__brand-desc {
  font-size: 0.875rem;
  line-height: 1.7;
  margin-top: 16px;
  color: rgba(255,255,255,0.55);
}

.footer__contact {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer__contact-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
}

.footer__heading {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.45);
  margin-bottom: 16px;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__links a {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.6);
  transition: color var(--transition-fast);
}

.footer__links a:hover { color: #fff; }

.footer__bottom {
  padding-top: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer__copy {
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.35);
}

.footer__legal {
  display: flex;
  gap: 20px;
}

.footer__legal a {
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.4);
  transition: color var(--transition-fast);
}

.footer__legal a:hover { color: rgba(255,255,255,0.8); }

/* ----------- WHATSAPP FLOTANTE ----------- */
.whatsapp-fab {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 900;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
}

.whatsapp-fab__btn {
  width: 60px;
  height: 60px;
  background: var(--whatsapp);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-wa);
  transition: all var(--transition-base);
  cursor: pointer;
  border: none;
  animation: fabBounce 3s ease-in-out infinite;
}

.whatsapp-fab__btn:hover {
  background: var(--whatsapp-dark);
  transform: scale(1.1);
}

.whatsapp-fab__btn svg {
  width: 32px;
  height: 32px;
  fill: #fff;
}

.whatsapp-fab__pulse {
  position: absolute;
  top: 0;
  right: 0;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--whatsapp);
  opacity: 0;
  animation: fabPulse 3s ease-in-out infinite;
  pointer-events: none;
}

.whatsapp-fab__tooltip {
  background: var(--gray-900);
  color: #fff;
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: var(--radius-md);
  white-space: nowrap;
  opacity: 0;
  transform: translateX(8px);
  transition: all var(--transition-base);
  pointer-events: none;
}

.whatsapp-fab:hover .whatsapp-fab__tooltip {
  opacity: 1;
  transform: translateX(0);
}

@keyframes fabBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

@keyframes fabPulse {
  0%   { transform: scale(1); opacity: 0.4; }
  100% { transform: scale(2); opacity: 0; }
}

/* ----------- ANIMACIONES ENTRADA ----------- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-16px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(40px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* Scroll-triggered fade */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal--delay-1 { transition-delay: 0.1s; }
.reveal--delay-2 { transition-delay: 0.2s; }
.reveal--delay-3 { transition-delay: 0.3s; }
.reveal--delay-4 { transition-delay: 0.4s; }
.reveal--delay-5 { transition-delay: 0.5s; }

/* ----------- LOGO IMAGEN ----------- */
.navbar__logo-img {
  height: 44px;
  width: auto;
  max-width: 180px;
  object-fit: contain;
  display: block;
}

.footer__logo-img {
  height: 48px;
  width: auto;
  max-width: 200px;
  object-fit: contain;
  display: block;
  /* Para logos oscuros en fondo oscuro, añadir filtro de brillo si es necesario */
  filter: brightness(0) invert(1);
  opacity: 0.92;
  margin-bottom: 4px;
}

/* ----------- SECCIÓN APLICATIVOS ----------- */
.apps__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  margin-top: 60px;
}

.app-card {
  background: #fff;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-200);
  transition: all var(--transition-slow);
  display: flex;
  flex-direction: column;
}

.app-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-2xl);
  border-color: var(--blue-200);
}

/* Header de tarjeta con gradiente por producto */
.app-card__header {
  padding: 36px 36px 28px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
  position: relative;
  overflow: hidden;
}

.app-card__header::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  opacity: 0.12;
  pointer-events: none;
}

.app-card__header--iva {
  background: linear-gradient(135deg, #eef4ff 0%, #dbeafe 100%);
  border-bottom: 1px solid rgba(37, 99, 235, 0.12);
}

.app-card__header--iva::before {
  background: var(--blue-600);
}

.app-card__header--renta {
  background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
  border-bottom: 1px solid rgba(16, 185, 129, 0.15);
}

.app-card__header--renta::before {
  background: var(--accent-green);
}

.app-card__logo-wrap {
  display: flex;
  align-items: center;
}

.app-card__logo {
  height: 52px;
  width: auto;
  max-width: 200px;
  object-fit: contain;
  display: block;
}

.app-card__badge {
  display: inline-flex;
  align-items: center;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
}

.app-card__header--iva .app-card__badge {
  background: rgba(37, 99, 235, 0.1);
  color: var(--blue-700);
  border-color: rgba(37, 99, 235, 0.2);
}

.app-card__header--renta .app-card__badge {
  background: rgba(16, 185, 129, 0.1);
  color: #065f46;
  border-color: rgba(16, 185, 129, 0.25);
}

/* Body de la tarjeta */
.app-card__body {
  padding: 32px 36px 36px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  flex: 1;
}

.app-card__title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--gray-900);
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.app-card__desc {
  font-size: 0.9375rem;
  color: var(--gray-600);
  line-height: 1.75;
}

/* Lista de features */
.app-card__features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 16px;
  flex: 1;
}

.app-card__features li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--gray-700);
  font-weight: 500;
  line-height: 1.4;
}

.app-check {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  background: linear-gradient(135deg, var(--blue-500), var(--blue-700));
  color: #fff;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.6875rem;
  font-weight: 800;
  margin-top: 1px;
}

.app-card__header--renta ~ .app-card__body .app-check {
  background: linear-gradient(135deg, #10b981, #059669);
}

/* ----------- RESPONSIVE ----------- */
@media (max-width: 1024px) {
  :root { --section-py: 72px; }

  .hero__inner { grid-template-columns: 1fr; gap: 48px; }
  .hero__visual { order: -1; }
  .hero__floating-card--1 { left: 0; }

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

  .solution__inner { grid-template-columns: 1fr; gap: 48px; }

  .footer__top { grid-template-columns: 1fr 1fr; gap: 32px; }

  .navbar__nav { display: none; }
  .navbar__toggle { display: flex; }
  .navbar__actions .btn { display: none; }

  /* Aplicativos: 1 columna en tablet */
  .apps__grid { grid-template-columns: 1fr; gap: 28px; }
  .app-card__features { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  :root { --section-py: 56px; }

  .problem__grid   { grid-template-columns: 1fr; }
  .benefits__grid  { grid-template-columns: 1fr; }
  .audience__grid  { grid-template-columns: 1fr; }
  .hero__stats     { flex-direction: column; gap: 20px; }
  .hero__actions   { flex-direction: column; }
  .hero__actions .btn { width: 100%; justify-content: center; }
  .cta-final__actions { flex-direction: column; align-items: center; }

  .footer__top { grid-template-columns: 1fr; gap: 28px; }
  .footer__bottom { flex-direction: column; text-align: center; }

  .whatsapp-fab { bottom: 20px; right: 20px; }
  .whatsapp-fab__btn { width: 52px; height: 52px; }

  .testimonial-card__inner { padding: 28px 24px; }

  /* Aplicativos móvil */
  .app-card__header { padding: 24px 24px 20px; }
  .app-card__body   { padding: 24px 24px 28px; }
  .app-card__features { grid-template-columns: 1fr; gap: 8px; }
  .app-card__logo { height: 40px; }
}