:root {
  --primary-color: #0f172a;
  --secondary-color: #145a5a;
  --accent-color: #c99a2d;
  --text-color: #1f2937;
  --bg-light: #f5f7fa;
  --white: #ffffff;
  --border-color: #d9e2ec;
  --muted-text: #64748b;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: system-ui, -apple-system, sans-serif;
  color: var(--text-color);
  background-color: var(--bg-light);
  line-height: 1.6;
}

/* Navbar */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 5%;
  background: linear-gradient(90deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  color: var(--white);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 12px rgba(15, 23, 42, 0.16);
}

.logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  max-width: 180px;
  min-width: 0;
}

.logo-image {
  display: block;
  width: auto;
  height: clamp(40px, 4vw, 56px);
  max-width: 100%;
  object-fit: contain;
}

.navbar nav a {
  color: var(--white);
  text-decoration: none;
  margin-left: 1.5rem;
  font-size: 0.95rem;
  transition: color 0.3s;
}

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

.btn-nav {
  background-color: var(--accent-color);
  padding: 0.5rem 1rem;
  border-radius: 4px;
  font-weight: bold;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.95), rgba(20, 90, 90, 0.88)),
              url('https://images.unsplash.com/photo-1504917595217-d4dc5ebe6122?auto=format&fit=crop&w=1200') center/cover;
  color: var(--white);
  padding: 6rem 5%;
  text-align: center;
}

.badge-gold {
  background: var(--accent-color);
  color: var(--white);
  padding: 0.3rem 0.8rem;
  font-size: 0.8rem;
  font-weight: bold;
  border-radius: 4px;
  text-transform: uppercase;
}

.hero h1 {
  font-size: 2.8rem;
  margin: 1rem 0;
}

.hero p {
  max-width: 750px;
  margin: 0 auto 2rem;
  font-size: 1.15rem;
  color: #cbd5e1;
}

.btn {
  display: inline-block;
  padding: 0.8rem 1.8rem;
  border-radius: 4px;
  text-decoration: none;
  font-weight: bold;
  margin: 0.5rem;
}

.btn-primary { background-color: var(--accent-color); color: var(--white); }
.btn-secondary { background-color: transparent; border: 2px solid var(--white); color: var(--white); }

/* Shipping Section */
.shipping-banner {
  background: linear-gradient(135deg, var(--secondary-color), #1f6f6f);
  color: var(--white);
  padding: 4rem 5%;
  text-align: center;
}

.shipping-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.shipping-card {
  background: rgba(255, 255, 255, 0.05);
  padding: 2rem;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.shipping-card .icon {
  font-size: 2.5rem;
  display: block;
  margin-bottom: 0.5rem;
}

/* Catálogo */
.catalog-section {
  padding: 4rem 5%;
  max-width: 1200px;
  margin: 0 auto;
}

.section-title {
  text-align: center;
  margin-bottom: 2rem;
}

.filter-bar {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.filter-btn {
  background: var(--white);
  border: 1px solid var(--border-color);
  padding: 0.6rem 1.2rem;
  border-radius: 6px;
  cursor: pointer;
  font-weight: bold;
  transition: all 0.3s;
}

.filter-btn.active, .filter-btn:hover {
  background: var(--primary-color);
  color: var(--white);
  border-color: var(--primary-color);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
}

.product-card {
  background: var(--white);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05);
}

.product-card h3 {
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.product-card .specs {
  margin: 1rem 0;
  font-size: 0.9rem;
  border-top: 1px dashed var(--border-color);
  padding-top: 0.5rem;
}

.product-card .btn-download {
  margin-top: auto;
  background: var(--primary-color);
  color: var(--white);
  text-align: center;
  padding: 0.6rem;
  border-radius: 4px;
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: bold;
}

/* ==========================================
   ESTILOS RESPONSIVOS & MEDIA QUERIES
   ========================================== */

/* Botón Hamburguesa (Oculto en Escritorio) */
.hamburger-btn {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 21px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 1001;
}

.hamburger-btn .bar {
  height: 3px;
  width: 100%;
  background-color: var(--white);
  border-radius: 10px;
  transition: all 0.3s ease-in-out;
}

/* Animación del icono a "X" al activar */
.hamburger-btn.active .bar:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}
.hamburger-btn.active .bar:nth-child(2) {
  opacity: 0;
}
.hamburger-btn.active .bar:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

/* Breakpoint para Móviles y Tabletas (< 768px) */
@media screen and (max-width: 768px) {
  .hamburger-btn {
    display: flex; /* Muestra el botón hamburguesa */
  }

  .navbar {
    padding: 1rem 1.5rem;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%; /* Oculto fuera de pantalla por defecto */
    width: 75%;
    max-width: 300px;
    height: 100vh;
    background-color: var(--primary-color);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 1.5rem;
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.3);
    transition: right 0.4s ease-in-out;
    z-index: 1000;
  }

  .nav-links.active {
    right: 0; /* Desliza el menú hacia adentro */
  }

  .navbar nav a {
    margin-left: 0;
    font-size: 1.1rem;
  }

  /* Ajustes de tipografía y padding para móvil */
  .hero {
    padding: 4rem 1.5rem;
  }

  .hero h1 {
    font-size: 1.8rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .hero-actions .btn {
    display: block;
    margin: 0.8rem auto;
    width: 90%;
  }

  .shipping-banner, .catalog-section {
    padding: 2.5rem 1.5rem;
  }

  .filter-bar {
    flex-direction: column;
    width: 100%;
  }

  .filter-btn {
    width: 100%;
  }
}
.site-footer {
  background: linear-gradient(180deg, var(--primary-color) 0%, #111827 100%);
  color: #cbd5e1;
  padding-top: 4rem;
  border-top: 4px solid var(--accent-color);
  font-size: 0.9rem;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem 3rem 1.5rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2.5rem;
}

/* Columna de Marca */
.footer-logo {
  color: var(--white);
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: 1px;
  margin-bottom: 1rem;
}

.brand-description {
  line-height: 1.6;
  margin-bottom: 1.2rem;
  color: #cbd5e1;
}

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

.cert-badge {
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--white);
  padding: 0.2rem 0.6rem;
  font-size: 0.75rem;
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  font-weight: 600;
}

/* Encabezados y Listas de Enlaces */
.footer-heading {
  color: var(--white);
  font-size: 1.05rem;
  margin-bottom: 1.2rem;
  position: relative;
  padding-bottom: 0.4rem;
}

.footer-heading::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 30px;
  height: 2px;
  background-color: var(--accent-color);
}

.footer-links, .footer-contact {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: 0.7rem;
}

.footer-links a {
  color: #cbd5e1;
  text-decoration: none;
  transition: color 0.2s ease, padding-left 0.2s ease;
}

.footer-links a:hover {
  color: var(--accent-color);
  padding-left: 4px;
}

/* Contacto */
.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  margin-bottom: 0.8rem;
  line-height: 1.4;
}

.footer-contact a {
  color: #cbd5e1;
  text-decoration: none;
}

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

.contact-icon {
  font-size: 1.1rem;
}

/* Bottom Bar */
.footer-bottom {
  background-color: #07101d;
  padding: 1.5rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-bottom-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
}

.transport-badges span {
  color: var(--white);
  font-weight: 500;
}

/* Ajustes Responsivos para el Footer */
@media screen and (max-width: 768px) {
  .footer-container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-bottom-container {
    flex-direction: column;
    text-align: center;
  }
}
/* ==========================================
   ESTILOS DE CERTIFICACIONES Y CALIDAD
   ========================================== */

.quality-section {
  padding: 5rem 5%;
  background-color: var(--white);
  border-bottom: 1px solid var(--border-color);
}

.quality-container {
  max-width: 1200px;
  margin: 0 auto;
}

/* Grid de Normas */
.standards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  margin-top: 2.5rem;
  margin-bottom: 4rem;
}

.standard-card {
  background: var(--bg-light);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 2rem;
  border-left: 5px solid var(--accent-color);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.card-icon-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.standard-icon {
  font-size: 2rem;
}

.standard-code {
  background: var(--primary-color);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: bold;
  padding: 0.3rem 0.6rem;
  border-radius: 4px;
}

.standard-card h3 {
  color: var(--primary-color);
  font-size: 1.3rem;
  margin-bottom: 0.8rem;
}

.standard-card p {
  color: #475569;
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

.standard-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.standard-list li {
  font-size: 0.88rem;
  color: var(--text-color);
  margin-bottom: 0.5rem;
  position: relative;
  padding-left: 1.2rem;
}

.standard-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent-color);
  font-weight: bold;
}

/* Módulo del Proceso de Pruebas */
.testing-process-box {
  background: var(--primary-color);
  color: var(--white);
  padding: 3rem 2rem;
  border-radius: 12px;
  box-shadow: 0 10px 20px rgba(11, 25, 44, 0.2);
}

.process-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 2.5rem auto;
}

.process-header h3 {
  font-size: 1.6rem;
  margin-bottom: 0.5rem;
}

.process-header p {
  color: #cbd5e1;
  font-size: 0.95rem;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.step-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  padding: 1.5rem;
  position: relative;
}

.step-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent-color);
  opacity: 0.8;
  display: block;
  margin-bottom: 0.5rem;
}

.step-card h4 {
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
  color: var(--white);
}

.step-card p {
  font-size: 0.85rem;
  color: #94a3b8;
  line-height: 1.5;
}

/* Ajustes Responsivos */
@media screen and (max-width: 768px) {
  .quality-section {
    padding: 3rem 1.5rem;
  }

  .testing-process-box {
    padding: 2rem 1.2rem;
  }

  .process-steps {
    grid-template-columns: 1fr;
  }
}
/* ==========================================
   ESTILOS DE CONTACTO DIRECTO
   ========================================== */

.contact-direct-section {
  padding: 5rem 5%;
  background-color: var(--white);
  border-top: 1px solid var(--border-color);
}

.contact-direct-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
  align-items: center;
}

.contact-card-info h2 {
  color: var(--primary-color);
  font-size: 2.2rem;
  margin: 1rem 0;
}

.contact-card-info p {
  color: #475569;
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: 2rem;
}

/* Caja de Correo Destacada */
.direct-email-box {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  background: var(--bg-light);
  border: 2px solid var(--accent-color);
  padding: 1.5rem;
  border-radius: 8px;
  margin-bottom: 2rem;
}

.email-icon {
  font-size: 2.2rem;
}

.email-label {
  display: block;
  font-size: 0.8rem;
  text-transform: uppercase;
  font-weight: bold;
  color: #64748b;
  margin-bottom: 0.2rem;
}

.email-address {
  font-size: 1.3rem;
  font-weight: bold;
  color: var(--primary-color);
  text-decoration: none;
  transition: color 0.2s;
}

.email-address:hover {
  color: var(--accent-color);
}

.contact-details-list {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  font-size: 0.95rem;
  color: var(--text-color);
}

/* Tarjeta del Formulario */
.contact-form-card {
  background: var(--bg-light);
  padding: 2.5rem;
  border-radius: 10px;
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.contact-form-card h3 {
  color: var(--primary-color);
  font-size: 1.4rem;
  margin-bottom: 1.5rem;
}

.btn-submit-contact {
  width: 100%;
  padding: 0.9rem;
  font-size: 1rem;
  margin-top: 0.5rem;
  border: none;
  cursor: pointer;
}

/* Responsivo */
@media screen and (max-width: 900px) {
  .contact-direct-container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .email-address {
    font-size: 1.1rem;
  }
}