/* ==========================================================================
   SISTEMA DE DISEÑO - ARL ELECTRONIC (GRIS ANTRACITA & CIAN/AZUL)
   ========================================================================== */

:root {
  /* Paleta de Colores */
  --bg-primary: #121316;       /* Fondo de página ultra oscuro */
  --bg-secondary: #1a1b1f;     /* Fondo de secciones y tarjetas */
  --bg-tertiary: #23252a;      /* Fondo interactivo y hover */
  --accent-cyan: #00f2fe;      /* Acento cian brillante */
  --accent-blue: #4facfe;      /* Acento azul tecnológico */
  --accent-gradient: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  
  /* Estados e Intensidades */
  --accent-glow: rgba(0, 242, 254, 0.15);
  --border-color: rgba(255, 255, 255, 0.05);
  --border-color-hover: rgba(0, 242, 254, 0.25);
  
  /* Colores de Texto */
  --text-main: #f1f3f5;
  --text-muted: #9fa4b0;
  --text-inverse: #0f1013;
  
  /* Fuentes y Sombras */
  --font-title: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --glow-light: 0 0 20px rgba(0, 242, 254, 0.15);
  --glow-strong: 0 0 30px rgba(0, 242, 254, 0.35);
  
  /* Layout */
  --container-max-width: 1200px;
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset de estilos */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Tipografía */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-title);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #ffffff;
}

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

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

/* Estructura general */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.section {
  padding: 6rem 0;
}

.section-title {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section-title h2 {
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
}

.section-title p {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

.highlight-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ==========================================================================
   DISEÑO DE COMPONENTES
   ========================================================================== */

/* Botones */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.8rem;
  font-family: var(--font-title);
  font-weight: 600;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition-normal);
  font-size: 0.95rem;
}

.btn-primary {
  background: var(--accent-gradient);
  color: var(--text-inverse);
  box-shadow: var(--glow-light);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--glow-strong);
}

.btn-secondary {
  background-color: transparent;
  color: var(--text-main);
  border-color: var(--border-color);
}

.btn-secondary:hover {
  border-color: var(--accent-cyan);
  background-color: rgba(0, 242, 254, 0.05);
  color: #ffffff;
  transform: translateY(-2px);
}

.btn-whatsapp {
  background-color: #25D366;
  color: #ffffff !important;
  border-color: #25D366;
  font-weight: 600;
  box-shadow: 0 0 15px rgba(37, 211, 102, 0.3);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.btn-whatsapp:hover {
  background-color: #1ebd59;
  border-color: #1ebd59;
  transform: translateY(-2px);
  box-shadow: 0 0 22px rgba(37, 211, 102, 0.5);
}

.whatsapp-float {
  position: fixed;
  bottom: 25px;
  right: 25px;
  width: 60px;
  height: 60px;
  background-color: #25D366;
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4), 0 0 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(0, 0, 0, 0.5), 0 0 25px rgba(37, 211, 102, 0.7);
}


/* Tarjetas (Cards) */
.card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 2rem;
  box-shadow: var(--shadow-md);
  transition: var(--transition-normal);
  overflow: hidden; /* Asegura que la imagen no sobresalga del borde redondeado */
}

.card:hover {
  transform: translateY(-5px);
  border-color: var(--border-color-hover);
  box-shadow: var(--shadow-lg), var(--accent-glow);
}

/* Imagen de Servicio en Tarjetas */
.service-image-wrapper {
  width: 100%;
  height: 180px;
  overflow: hidden;
  border-radius: 8px;
  margin-bottom: 1.5rem;
  border: 1px solid var(--border-color);
}

.service-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(0.2) brightness(0.9);
  transition: var(--transition-normal);
}

.card:hover .service-img {
  transform: scale(1.05);
  filter: grayscale(0) brightness(1.1);
}


/* ==========================================================================
   CABECERA (HEADER)
   ========================================================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(18, 19, 22, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition-normal);
}

.header.scrolled {
  padding: 0.5rem 0;
  background-color: rgba(18, 19, 22, 0.95);
  box-shadow: var(--shadow-sm);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 145px;
  transition: var(--transition-normal);
}

.header.scrolled .nav-container {
  height: 75px;
}

.logo-wrapper {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  text-decoration: none;
}

.logo-icon-img {
  height: 125px;
  width: 125px;
  object-fit: contain;
  border-radius: 14px;
  filter: drop-shadow(0 0 20px rgba(0, 242, 254, 0.5));
  transition: var(--transition-normal);
}

.logo-text-group {
  display: flex;
  flex-direction: column;
}

.logo-brand-name {
  font-family: var(--font-title);
  font-weight: 900;
  font-size: 2.2rem;
  line-height: 1;
  letter-spacing: -0.02em;
  color: #ffffff;
  transition: var(--transition-normal);
}

.logo-subtext {
  font-family: var(--font-body);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.13em;
  color: var(--text-muted);
  margin-top: 4px;
  transition: var(--transition-normal);
}

.header.scrolled .logo-icon-img {
  height: 60px;
  width: 60px;
}

.header.scrolled .logo-brand-name {
  font-size: 1.6rem;
}

.header.scrolled .logo-subtext {
  font-size: 0.7rem;
}







.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  position: relative;
  padding: 0.5rem 0;
  transition: var(--transition-fast);
}

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

.nav-link:hover {
  color: #ffffff;
}

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

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: #ffffff;
  font-size: 1.5rem;
  cursor: pointer;
}

/* ==========================================================================
   SECCIÓN HERO
   ========================================================================== */
.hero {
  position: relative;
  padding-top: 15rem;
  padding-bottom: 8rem;
  display: flex;
  align-items: center;
  min-height: 85vh;





  background: radial-gradient(circle at 80% 20%, rgba(0, 242, 254, 0.03) 0%, transparent 50%),
              radial-gradient(circle at 20% 80%, rgba(79, 172, 254, 0.03) 0%, transparent 50%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 4rem;
  align-items: center;
}

.hero-content h1 {
  font-size: 3.8rem;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.hero-content p {
  font-size: 1.25rem;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  max-width: 600px;
}

.hero-actions {
  display: flex;
  gap: 1rem;
}

/* Ilustración tecnológica (Circuito integrado abstracto) */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.circuit-display {
  position: relative;
  width: 390px;
  height: 390px;
  background: radial-gradient(circle, rgba(0, 242, 254, 0.06) 0%, rgba(18, 19, 22, 0.6) 70%);
  border: 1px solid var(--border-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg), var(--glow-light);
  animation: pulse-glow 4s ease-in-out infinite alternate;
}

.circuit-center {
  position: relative;
  width: 220px;
  height: 220px;
  background-color: var(--bg-secondary);
  border: 2px solid var(--accent-cyan);
  border-radius: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 30px rgba(0, 242, 254, 0.45);
  padding: 0;
  overflow: hidden;
}

.hero-logo-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 26px;
  transition: var(--transition-normal);
}

.hero-chip-overlay {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-title);
  font-weight: 900;
  font-size: 1.45rem;
  letter-spacing: 0.08em;
  color: #ffffff;
  text-transform: uppercase;
  background: rgba(18, 19, 22, 0.75);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  padding: 0.35rem 0.9rem;
  border-radius: 8px;
  border: 1px solid rgba(0, 242, 254, 0.4);
  box-shadow: 0 0 15px rgba(0, 242, 254, 0.3);
  white-space: nowrap;
  pointer-events: none;
}





.circuit-chip-sub {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-cyan);
}

/* ==========================================================================
   SERVICIOS
   ========================================================================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.service-card .service-icon {
  width: 50px;
  height: 50px;
  background-color: rgba(0, 242, 254, 0.07);
  border-radius: 8px;
  border: 1px solid rgba(0, 242, 254, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--accent-cyan);
  font-size: 1.5rem;
}

.service-card h3 {
  font-size: 1.4rem;
  margin-bottom: 1rem;
}

.service-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.service-features {
  list-style: none;
}

.service-features li {
  font-size: 0.9rem;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.service-features li::before {
  content: '✓';
  color: var(--accent-cyan);
  font-weight: bold;
}

/* ==========================================================================
   MARCAS SOPORTADAS
   ========================================================================== */
.brands-section {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.brands-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 2rem;
  align-items: center;
  justify-items: center;
}

.brands-page-wrapper {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 2.5rem;
  align-items: start;
}

.brands-sidebar {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.brands-sidebar .brand-item {
  height: 65px;
  justify-content: flex-start;
  padding-left: 1.5rem;
}

.brand-details-panel {
  min-height: 480px;
  border-color: rgba(0, 242, 254, 0.3);
  background-color: var(--bg-secondary);
  padding: 2.5rem;
}

.brand-images-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 1.2rem;
  margin-bottom: 2rem;
}

.brand-img-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1rem;
  text-align: center;
  transition: var(--transition-normal);
}

.brand-img-card:hover {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 15px rgba(0, 242, 254, 0.15);
  transform: translateY(-3px);
}

.brand-img-card img {
  width: 100%;
  height: 140px;
  object-fit: contain;
  border-radius: 6px;
  margin-bottom: 0.5rem;
}

.brand-img-card span {
  font-size: 0.85rem;
  font-weight: 600;
  color: #ffffff;
  display: block;
}

.brand-item {
  width: 100%;
  height: 90px;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  transition: var(--transition-normal);
  filter: grayscale(1);
  opacity: 0.6;
  cursor: pointer;
  outline: none;
}

.brand-item:hover, .brand-item:focus {
  filter: grayscale(0);
  opacity: 1;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 15px rgba(0, 242, 254, 0.2);
  transform: translateY(-2px);
}

.brand-item.active {
  filter: grayscale(0);
  opacity: 1;
  border-color: var(--accent-cyan);
  background-color: rgba(0, 242, 254, 0.05);
  box-shadow: 0 0 20px rgba(0, 242, 254, 0.3);
}

@media (max-width: 850px) {
  .brands-page-wrapper {
    grid-template-columns: 1fr;
  }
}



.brand-text {
  font-family: var(--font-title);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-main);
}

/* ==========================================================================
   GARANTÍA Y CALIDAD
   ========================================================================== */
.warranty-wrapper {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 4rem;
  align-items: center;
}

.warranty-badge-container {
  display: flex;
  justify-content: center;
}

.warranty-badge {
  position: relative;
  width: 250px;
  height: 250px;
  background-color: var(--bg-secondary);
  border: 2px solid var(--accent-cyan);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg), var(--glow-light);
  padding: 2rem;
  text-align: center;
}

.warranty-badge .months {
  font-family: var(--font-title);
  font-size: 4.5rem;
  font-weight: 900;
  line-height: 1;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.warranty-badge .label {
  font-family: var(--font-title);
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 0.5rem;
  color: #ffffff;
}

.warranty-badge .sub-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

.warranty-info h3 {
  font-size: 1.8rem;
  margin-bottom: 1.2rem;
}

.warranty-info p {
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.steps-list {
  display: grid;
  gap: 1.5rem;
}

.step-item {
  display: flex;
  gap: 1rem;
}

.step-num {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  background: var(--accent-gradient);
  color: var(--text-inverse);
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.step-content h4 {
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
}

.step-content p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

/* ==========================================================================
   CONTACTO
   ========================================================================== */
.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.contact-info {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.contact-details {
  display: grid;
  gap: 2rem;
  margin-top: 2rem;
  margin-bottom: 2rem;
}

.contact-detail-item {
  display: flex;
  gap: 1.2rem;
  align-items: flex-start;
}

.contact-detail-icon {
  width: 44px;
  height: 44px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  font-size: 1.2rem;
  flex-shrink: 0;
}

.contact-detail-content h4 {
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

.contact-detail-content p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.contact-form {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 3rem;
  box-shadow: var(--shadow-lg);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-family: var(--font-title);
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: #ffffff;
}

.form-control {
  width: 100%;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 0.8rem 1rem;
  color: #ffffff;
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: var(--transition-normal);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 10px rgba(0, 242, 254, 0.1);
}

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

/* ==========================================================================
   PIE DE PÁGINA (FOOTER)
   ========================================================================== */
.footer {
  background-color: #0d0e10;
  border-top: 1px solid var(--border-color);
  padding: 4rem 0 2rem 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 4rem;
  margin-bottom: 3rem;
}

.footer-logo {
  margin-bottom: 1rem;
}

.footer-nav {
  list-style: none;
}

.footer-nav li {
  margin-bottom: 0.75rem;
}

.footer-nav a:hover {
  color: #ffffff;
  text-decoration: underline;
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* ==========================================================================
   ANIMACIONES Y RESPONSIVE
   ========================================================================== */
@keyframes pulse-glow {
  0% {
    box-shadow: 0 0 20px rgba(0, 242, 254, 0.1), var(--shadow-lg);
    border-color: var(--border-color);
  }
  100% {
    box-shadow: 0 0 35px rgba(0, 242, 254, 0.25), var(--shadow-lg);
    border-color: rgba(0, 242, 254, 0.3);
  }
}

/* Consultas de Media (Responsive) */
@media (max-width: 992px) {
  html {
    font-size: 15px;
  }
  
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
    text-align: center;
  }
  
  .hero-content p {
    margin-left: auto;
    margin-right: auto;
  }
  
  .hero-actions {
    justify-content: center;
  }
  
  .warranty-wrapper {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .contact-wrapper {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none; /* Se activará dinámicamente con JavaScript */
  }
  
  .menu-toggle {
    display: block;
  }
  
  .section {
    padding: 4rem 0;
  }
  
  .hero-content h1 {
    font-size: 2.8rem;
  }
  
  .footer-top {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}