/* ========================================
   SWITCH Soluciones Tecnológicas
   Estilos Principales - Rediseño 2026
   ======================================== */

/* ========================================
   VARIABLES CSS
   ======================================== */
:root {
  /* Colores corporativos */
  --color-primary: #1E5EFF;
  --color-primary-light: #4a7fff;
  --color-primary-dark: #0D47A1;
  --color-accent: #FFC107;
  --color-accent-dark: #e6ad00;

  /* Fondos */
  --color-hero-dark: #1E5EFF;
  --color-blue-section: linear-gradient(135deg, #0D47A1 0%, #1E5EFF 100%);
  --color-white: #FFFFFF;
  --color-light-bg: #f7f8fc;
  --color-footer-bg:#1E5EFF;

  /* Texto */
  --color-text-dark: #1a1a2e;
  --color-text-secondary: #5a5a7a;
  --color-text-light: rgba(255, 255, 255, 0.92);
  --color-text-lighter: rgba(255, 255, 255, 0.7);

  /* Bordes y cards */
  --color-border-light: rgba(30, 94, 255, 0.08);
  --color-card-shadow: rgba(30, 94, 255, 0.08);

  /* Tipografía */
  --font-heading: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Open Sans', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Espaciado */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;

  /* Transiciones */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);

  /* Sombras */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 20px rgba(30, 94, 255, 0.1);
  --shadow-lg: 0 10px 40px rgba(30, 94, 255, 0.12);
  --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.04);
  --shadow-card-hover: 0 12px 40px rgba(30, 94, 255, 0.15);

  /* Bordes */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 50px;

  /* Header */
  --header-height: 72px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-white);
  color: var(--color-text-dark);
  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 {
  text-decoration: none;
  color: inherit;
  transition: var(--transition-normal);
}

a:hover {
  opacity: 0.85;
}

ul {
  list-style: none;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  line-height: 1.2;
}

/* ========================================
   UTILIDADES
   ======================================== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

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

/* Labels y titulos globales */
.section-label {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 3px;
  margin-bottom: var(--spacing-xs);
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

.section-subtitle {
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto var(--spacing-lg);
  line-height: 1.7;
}

.section-label,
.section-title,
.section-subtitle {
  text-align: center;
}

.section-description {
  font-size: 1.1rem;
  max-width: 800px;
  margin: 0 auto var(--spacing-sm);
  line-height: 1.8;
}

/* Colores para secciones blancas */
.presentacion .section-label,
.servicios .section-label,
.clientes .section-label {
  color: var(--color-primary);
}

.presentacion .section-title,
.servicios .section-title,
.clientes .section-title {
  color: var(--color-text-dark);
}

.presentacion .section-subtitle,
.servicios .section-subtitle,
.clientes .section-subtitle,
.presentacion .section-description {
  color: var(--color-text-secondary);
}

/* Colores para secciones azules */
.estadisticas .section-label,
.proyectos .section-label,
.contacto .section-label {
  color: var(--color-accent);
}

.estadisticas .section-title,
.proyectos .section-title,
.contacto .section-title {
  color: var(--color-white);
}

.estadisticas .section-subtitle,
.proyectos .section-subtitle,
.contacto .section-subtitle {
  color: var(--color-text-lighter);
}

/* Botones */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 2rem;
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition-smooth);
  border: none;
  outline: none;
}

.btn-accent {
  background-color: var(--color-accent);
  color: #1a1a1a;
}

.btn-accent:hover {
  background-color: var(--color-accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(255, 193, 7, 0.45);
  opacity: 1;
}

/* ========================================
   HEADER STICKY
   ======================================== */
.header-sticky {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background:#1E5EFF;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: 1000;
  transition: var(--transition-normal);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.header-sticky.scrolled {
  background: #1E5EFF;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
}

.navbar {
  height: 100%;
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo img {
  height: 40px;
  width: auto;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.nav-link {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-text-lighter);
  padding: 0.5rem 0;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: var(--transition-normal);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-link:hover {
  color: var(--color-white);
  opacity: 1;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
}

.hamburger span {
  display: block;
  width: 25px;
  height: 2px;
  background-color: var(--color-white);
  transition: var(--transition-normal);
  transform-origin: center;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: #1E5EFF;
  overflow: hidden;
  padding-top: var(--header-height);
}

/* Pattern de fondo sutil */
.hero-background {
  position: absolute;
  inset: 0;
  background: url('/images/switch/pattern.svg') repeat;
  opacity: 0.4;
  z-index: 0;
}

.hero-pattern {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    radial-gradient(circle at 15% 85%, rgba(255, 193, 7, 0.06) 0%, transparent 40%),
    radial-gradient(circle at 85% 15%, rgba(255, 255, 255, 0.04) 0%, transparent 40%);
}

/* Circulos decorativos */
.hero::before {
  content: '';
  position: absolute;
  top: 12%;
  left: 8%;
  width: 280px;
  height: 280px;
  border: 1px solid rgba(255, 193, 7, 0.12);
  border-radius: 50%;
  z-index: 0;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 8%;
  right: 5%;
  width: 200px;
  height: 200px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 50%;
  z-index: 0;
}

/* Layout split: texto izq, imagen der */
.hero .container {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(2rem, 4vw, 4rem);
  width: 100%;
}

.hero-content {
  flex: 1 1 55%;
  max-width: 600px;
  text-align: left;
}

.hero-icon-wrapper {
  margin-bottom: var(--spacing-sm);
}

.hero-title {
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 700;
  line-height: 1.12;
  margin-bottom: var(--spacing-md);
  color: var(--color-white);
  letter-spacing: -0.5px;
}

.hero-title .highlight {
  color: var(--color-accent);
  font-style: italic;
  position: relative;
}

.hero-subtitle {
  font-size: clamp(0.95rem, 1.5vw, 1.15rem);
  color: var(--color-text-light);
  margin-bottom: var(--spacing-lg);
  max-width: 480px;
  line-height: 1.7;
}

.badge-cta {
  font-size: clamp(0.95rem, 1.2vw, 1.1rem);
  padding: 0.875rem 2.25rem;
  box-shadow: 0 4px 25px rgba(255, 193, 7, 0.35);
}

.badge-cta:hover {
  box-shadow: 0 8px 35px rgba(255, 193, 7, 0.5);
}

/* Imagen del hero */
.hero-image {
  flex: 0 1 42%;
  max-width: 500px;
  min-width: 0;
}

.hero-image img {
  width: 100%;
  height: auto;
  filter: drop-shadow(0 20px 60px rgba(0, 0, 0, 0.3));
}

/* Scroll down */
.scroll-down {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  opacity: 0.6;
  transition: var(--transition-normal);
  z-index: 2;
}

.scroll-down:hover {
  opacity: 1;
  transform: translateX(-50%) translateY(4px);
}

/* Social sidebar */
.social-sidebar {
  position: fixed;
  left: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  z-index: 100;
}

.social-sidebar a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-white);
  transition: var(--transition-normal);
}

.social-sidebar a:hover {
  background: var(--color-accent);
  color: #1a1a1a;
  transform: scale(1.1);
  opacity: 1;
}

/* ========================================
   PRESENTACIÓN (BLANCO)
   ======================================== */
.presentacion {
  background: var(--color-white);
}

.presentacion-content {
  text-align: center;
}

.presentacion .section-description {
  color: var(--color-text-secondary);
}

.presentacion .section-description strong {
  color: var(--color-primary);
}

.presentacion-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.feature-item {
  text-align: center;
  padding: var(--spacing-md) 1.5rem;
  border-radius: var(--radius-lg);
  background: var(--color-light-bg);
  border: 1px solid var(--color-border-light);
  transition: var(--transition-smooth);
}

.feature-item:hover {
  background: var(--color-white);
  transform: translateY(-5px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(30, 94, 255, 0.15);
}

.feature-icon {
  margin-bottom: var(--spacing-sm);
}

.feature-icon svg circle,
.feature-icon svg path {
  stroke: var(--color-primary);
}

.feature-icon svg circle[fill="#FFC107"],
.feature-icon svg path[fill="#FFC107"] {
  fill: var(--color-primary);
}

.feature-item h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
  color: var(--color-text-dark);
}

.feature-item p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* ========================================
   ESTADÍSTICAS (AZUL)
   ======================================== */
.estadisticas {
  background: var(--color-blue-section);
  padding: var(--spacing-lg) 0;
  position: relative;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-md);
  text-align: center;
}

.stat-item {
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: var(--transition-smooth);
}

.stat-item:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-3px);
}

.counter-number {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-accent);
  display: inline;
}

.counter-suffix {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-accent);
}

.stat-label {
  font-size: 0.95rem;
  color: var(--color-text-lighter);
  margin-top: var(--spacing-xs);
}

/* ========================================
   SERVICIOS (GRIS CLARO)
   ======================================== */
.servicios {
  background: var(--color-light-bg);
}

.servicios-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing-md);
}

.servicio-card {
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  text-align: center;
  transition: var(--transition-smooth);
  cursor: default;
}

.servicio-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--color-primary-light);
}

.servicio-icon {
  margin-bottom: var(--spacing-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Imagenes de servicios */
.servicio-icon img {
  width: 80px;
  height: 80px;
  object-fit: contain;
}

/* SVG icons fallback */
.servicio-icon svg path,
.servicio-icon svg rect,
.servicio-icon svg circle {
  stroke: var(--color-primary);
}

.servicio-icon svg circle[fill="#FFC107"],
.servicio-icon svg path[fill="#FFC107"] {
  fill: var(--color-primary);
}

.servicio-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
  color: var(--color-text-dark);
}

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

/* ========================================
   PROYECTOS (AZUL)
   ======================================== */
.proyectos {
  background: var(--color-blue-section);
  position: relative;
}

.proyectos-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
}

.proyecto-card {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition-smooth);
}

.proyecto-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 15px 50px rgba(0, 0, 0, 0.2);
  border-color: rgba(255, 193, 7, 0.3);
  background: rgba(255, 255, 255, 0.1);
}

.proyecto-image {
  height: 200px;
  background: linear-gradient(135deg, rgba(10, 25, 41, 0.6), rgba(30, 94, 255, 0.3));
  display: flex;
  align-items: center;
  justify-content: center;
}

.proyecto-placeholder {
  opacity: 0.7;
}

.proyecto-info {
  padding: 1.5rem;
}

.proyecto-category {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-accent);
  margin-bottom: var(--spacing-xs);
}

.proyecto-info h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
  color: var(--color-white);
}

.proyecto-info p {
  font-size: 0.9rem;
  color: var(--color-text-lighter);
  margin-bottom: var(--spacing-sm);
  line-height: 1.6;
}

.proyecto-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.proyecto-tags span {
  font-size: 0.75rem;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  background: rgba(255, 193, 7, 0.12);
  color: var(--color-accent);
  font-weight: 600;
}

/* ========================================
   CLIENTES (BLANCO)
   ======================================== */
.clientes {
  background: var(--color-white);
}

.clientes-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--spacing-md);
  align-items: center;
}

.cliente-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  background: var(--color-light-bg);
  border: 1px solid var(--color-border-light);
  transition: var(--transition-smooth);
}

.cliente-logo:hover {
  background: var(--color-white);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.cliente-placeholder {
  opacity: 0.7;
}

.cliente-placeholder svg rect {
  stroke: rgba(30, 94, 255, 0.25);
}

.cliente-placeholder svg text {
  fill: var(--color-text-secondary);
}

.cliente-logo span {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  text-align: center;
  font-weight: 600;
}

/* ========================================
   CONTACTO (AZUL)
   ======================================== */
.contacto {
  background: var(--color-blue-section);
}

.contacto-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  align-items: start;
}

/* Formulario */
.contacto-form-wrapper {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
}

.form-group {
  margin-bottom: var(--spacing-sm);
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  font-family: var(--font-heading);
  color: var(--color-text-light);
  margin-bottom: 0.375rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.06);
  color: var(--color-white);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: var(--transition-normal);
  outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-lighter);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-accent);
  background: rgba(255, 255, 255, 0.1);
  box-shadow: 0 0 0 3px rgba(255, 193, 7, 0.12);
}

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

.field-error {
  display: block;
  font-size: 0.8rem;
  color: #ff6b6b;
  margin-top: 0.25rem;
  min-height: 1.2em;
}

.btn-submit {
  width: 100%;
  padding: 1rem;
  font-size: 1.05rem;
  position: relative;
}

.btn-submit .btn-loading {
  display: none;
}

.btn-submit.loading .btn-text {
  visibility: hidden;
}

.btn-submit.loading .btn-loading {
  display: flex;
  position: absolute;
  inset: 0;
  align-items: center;
  justify-content: center;
}

.form-message {
  display: none;
  margin-top: var(--spacing-sm);
  padding: 0.875rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  text-align: center;
}

.form-message.success {
  background: rgba(76, 175, 80, 0.15);
  border: 1px solid rgba(76, 175, 80, 0.3);
  color: #81c784;
}

.form-message.error {
  background: rgba(244, 67, 54, 0.15);
  border: 1px solid rgba(244, 67, 54, 0.3);
  color: #ef9a9a;
}

/* Info contacto */
.info-card {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
}

.info-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  color: var(--color-white);
}

.info-item {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
  align-items: flex-start;
}

.info-icon {
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 193, 7, 0.1);
  border-radius: var(--radius-sm);
}

.info-item strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  color: var(--color-white);
  margin-bottom: 0.125rem;
}

.info-item p {
  font-size: 0.9rem;
  color: var(--color-text-lighter);
  line-height: 1.5;
}

.info-item a {
  color: var(--color-text-light);
}

.info-item a:hover {
  color: var(--color-accent);
  opacity: 1;
}

/* Social links */
.social-links {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-sm);
  padding-top: var(--spacing-sm);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: var(--color-white);
  transition: var(--transition-normal);
}

.social-links a:hover {
  background: var(--color-accent);
  color: #1a1a1a;
  transform: scale(1.1);
  opacity: 1;
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
  background: var(--color-footer-bg);
  padding: var(--spacing-lg) 0 var(--spacing-md);
  color: var(--color-white);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--color-text-lighter);
  margin-top: var(--spacing-sm);
  line-height: 1.7;
}

.footer-brand img {
  opacity: 0.9;
}

.footer h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--color-accent);
}

.footer-links ul li,
.footer-services ul li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  font-size: 0.9rem;
  color: var(--color-text-lighter);
}

.footer-links a:hover {
  color: var(--color-white);
  opacity: 1;
}

.footer-services li {
  font-size: 0.9rem;
  color: var(--color-text-lighter);
}

.footer-contact p {
  font-size: 0.9rem;
  color: var(--color-text-lighter);
  margin-bottom: 0.5rem;
}

.footer-contact a {
  color: var(--color-text-lighter);
}

.footer-contact a:hover {
  color: var(--color-accent);
  opacity: 1;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: var(--spacing-md);
  text-align: center;
}

.footer-bottom p {
  font-size: 0.85rem;
  color: var(--color-text-lighter);
}

/* ========================================
   WHATSAPP FLOTANTE
   ======================================== */
.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 56px;
  height: 56px;
  background-color: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
  z-index: 999;
  transition: var(--transition-normal);
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 25px rgba(37, 211, 102, 0.5);
  opacity: 1;
}

/* ========================================
   SELECCIÓN DE TEXTO
   ======================================== */
::selection {
  background: var(--color-accent);
  color: #1a1a1a;
}

/* ========================================
   SCROLLBAR
   ======================================== */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #f0f2f5;
}

::-webkit-scrollbar-thumb {
  background: rgba(30, 94, 255, 0.25);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(30, 94, 255, 0.45);
}