:root {
  --primary-color: #0066cc;
  --secondary-color: #004999;
  --text-color: #333333;
  --light-gray: #f5f5f5;
  --dark-gray: #666666;
  --white: #ffffff;
  --max-width: 1200px;
  --section-padding: 80px 20px;
  --transition: all 0.3s ease;
  --navbar-height: 80px;
}

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

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  overflow-x: hidden;
  padding-top: var(--navbar-height);
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
  width: 100%;
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--navbar-height);
  background: var(--white);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  z-index: 1000;
  background-color: var(--primary-color);
}

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

.nav-logo {
  display: flex;
  align-items: center;
  height: 100%;
  padding: 10px 0;
}

.logo {
  height: 100%;
  width: auto;
  object-fit: contain;
}

.nav-right {
  display: flex;
  align-items: center;
}

.nav-right.show {
  display: flex;
}



.nav-cta {
  display: inline-block;
  padding: 12px 24px;
  background-color: var(--primary-color);
  color: var(--primary-color);
  text-decoration: none;
  border-radius: 6px;
  font-weight: 600;
  transition: var(--transition);
  background-color: white;
}

.nav-cta:hover {
  background-color: var(--dark-gray);
  color: white;
  transform: translateY(-2px);
}

.lang {
  display: inline-block;
  padding: 15px 24px;
  background-color: var(--primary-color);
  color: var(--primary-color);
  text-decoration: none;
  border-radius: 6px;
  font-weight: 600;
  transition: var(--transition);
  background-color: white;
  margin-left: 20px;
  font-size: 16px;
}

/* Menu hamburguesa */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 28px;
  color: white;
  cursor: pointer;
}

/* Elimina esto */
.menu-toggle.open {
  content: "X"; 
  font-size: 36px; 
}

.menu-toggle.open::before {
  content: "X";
  font-size: 36px;
  color: white;
}


/* Responsive solo para mobile */
/* Solo para mobile */
@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }

  .nav-right {
    display: none; /* Oculto por defecto */
    flex-direction: column;
    align-items: center;
    background-color: var(--primary-color); 
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    justify-content: center;
    z-index: 999;
  }

  .nav-right.show {
    display: flex; /* Se muestra cuando se agrega la clase */
  }

  .nav-cta,
  .lang {
    margin: 20px 0;
    font-size: 20px;
  }
}

.menu-toggle {
  z-index: 1001; /* MÁS que .nav-right */
  position: relative; /* Necesario para aplicar z-index */
}


/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(20px);
  transition: var(--transition);
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}



/* Hero Section */
.hero {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--white);
  position: relative;
  margin-top: calc(-1 * var(--navbar-height));
  margin-bottom: -100px;
}

.hero-content {
  max-width: 1000px;
  padding: 0 20px;
  animation: fadeInUp 1s ease-out;
}

.hero-section-contact-info {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 20px;
  text-align: center;
  margin: 0 auto;
  padding: 20px 0;
}

.hero h1 {
  font-size: 4rem;
  margin-bottom: 20px;
  font-weight: 700;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
  color: black;
}

.hero p {
  font-size: 1.5rem;
  margin-bottom: 30px;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
  color: black;
}

/* Sections */
.section {
  padding: var(--section-padding);
  overflow: hidden;
}

.bg-gray {
  background-color: var(--light-gray);
}

h2 {
  font-size: 2.5rem;
  margin-bottom: 40px;
  text-align: center;
  position: relative;
  padding-bottom: 20px;
}

h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background-color: var(--primary-color);
}

.center {
  width: fit-content; /* ou uma largura fixa, como 600px */
  margin: 0 auto;
}

/* About Section */
.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
  gap: 40px;
  margin-top: 60px;
}

.about-card {
  text-align: center;
  background: var(--white);
  padding: 40px 30px;
  border-radius: 15px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.about-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.icon-wrapper {
  width: 80px;
  height: 80px;
  margin: 0 auto 25px;
  background: var(--primary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.icon-wrapper i {
  font-size: 2.5rem;
  color: var(--white);
  align-items: center;
  justify-content: center;
}

.about-card:hover .icon-wrapper {
  transform: rotate(360deg);
  background: var(--secondary-color);
}

.about-card h3 {
  font-size: 1.5rem;
  margin-bottom: 15px;
  color: var(--primary-color);
}

.about-card p {
  color: var(--dark-gray);
  font-size: 1rem;
  line-height: 1.6;
}

.last-about-card {
  width: 50%; 
  margin-top: 40px;
}

/* Features Section */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.feature-card {
  background: var(--white);
  padding: 35px;
  border-radius: 15px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 0;
  background-color: var(--primary-color);
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.feature-card:hover::before {
  height: 100%;
}

.feature-card h3 {
  font-size: 1.4rem;
  margin-bottom: 15px;
  color: var(--primary-color);
  display: flex;
  align-items: center;
  gap: 10px;
}

.feature-card h3 i {
  font-size: 1.2em;
}

/* Contact Form Section */
.contact-form {
  max-width: 600px;
  margin: 0 auto;
  background: var(--white);
  padding: 40px;
  border-radius: 15px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.form-group {
  margin-bottom: 25px;
}

input,
textarea {
  width: 100%;
  padding: 15px;
  border: 2px solid #ddd;
  border-radius: 8px;
  font-size: 1rem;
  transition: var(--transition);
}

input:focus,
textarea:focus {
  border-color: var(--primary-color);
  outline: none;
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

textarea {
  height: 150px;
  resize: vertical;
}

/* Contact Info Section */
.contact-info-section {
  padding-top: 40px;
  padding-bottom: 40px;
}

.contact-info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  text-align: center;
}

.contact-info-item {
  padding: 20px;
  background: var(--white);
  border-radius: 10px;
  transition: var(--transition);
  align-items: center;
  margin-bottom: 20px;
  text-align: center;
}


.contact-info-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.contact-icon {
  font-size: 2rem;
  color: var(--primary-color);
  margin-bottom: 15px;
}

.contact-info-item h3 {
  color: var(--primary-color);
  margin-bottom: 10px;
  font-size: 1.2rem;
}

.contact-info-item p {
  color: var(--dark-gray);
}

/* Buttons */
.cta-button,
.submit-button {
  display: inline-block;
  padding: 15px 35px;
  background-color: var(--primary-color);
  color: var(--white);
  text-decoration: none;
  border-radius: 8px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.cta-button::before,
.submit-button::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.6s ease, height 0.6s ease;
}

.cta-button:hover::before,
.submit-button:hover::before {
  width: 300px;
  height: 300px;
}

.cta-button:hover,
.submit-button:hover {
  background-color: var(--secondary-color);
  transform: translateY(-2px);
}

/* Footer */
.footer {
  background-color: #000; /* fondo negro */
  color: #fff;
  padding: 40px 0;
  text-align: center;
}

.footer .social-media {
  margin-bottom: 20px;
}

.footer .social-title {
  font-size: 18px;
  font-weight: 500;
  margin-bottom: 10px;
}

.footer .social-icons {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 20px;
}

.footer .social-icons a {
  color: #fff;
  font-size: 24px;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer .social-icons a:hover {
  color: #ccc;
}


/* Responsive Design */
@media (max-width: 1024px) {
  .container {
    padding: 0 30px;
  }
  
  .hero h1 {
    font-size: 3.5rem;
  }

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

@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.8rem;
  }

  .hero p {
    font-size: 1.2rem;
  }

  h2 {
    font-size: 2.2rem;
  }

  .section {
    padding: 60px 20px;
  }

  .about-grid,
  .features-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .contact-info-grid {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }

  .nav-logo {
    padding: 5px 0;
  }

  .logo {
    height: 40px;
  }
  .last-about-card {
    width: 100%;
  }

  .hero h1 {
    margin-top: 60px;
  }

  .hero-section-contact-info {
    flex-direction: column;
    align-items: center;
    gap: 10px;
  }

  .hero-section-contact-info p {
    color: black; /* Forzar blanco */
    font-size: 1.2rem;
    margin: 5px;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 2.2rem;
  }

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

  h2 {
    font-size: 1.8rem;
  }

  .contact-info-grid {
    grid-template-columns: 1fr;
  }

  .contact-form {
    padding: 20px;
  }

  .nav-cta {
    padding: 10px 20px;
    font-size: 0.9rem;
  }

}

@media (max-width: 768px) {
  .hero {
    height: auto;
    padding-top: 3rem;
    padding-bottom: 3rem;
    margin-bottom: -50px; /* menos negativo para evitar tanto espacio */
  }

  .hero h1 {
    font-size: 2rem;
    margin-bottom: 15px;
  }

  .hero p {
    font-size: 1rem;
    margin-bottom: 20px;
  }

  .hero-section-contact-info {
    flex-direction: column;
    gap: 10px;
    padding: 10px 0;
  }

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