:root {
  /* Palette */
  --navy-blue: #001f3f; /* Deep Navy Blue */
  --vibrant-cyan: #00e5ff; /* Vibrant Cyan/Turquoise */
  --white: #ffffff;
  --light-gray: #f4f4f4;
  --text-color: #333333;

  /* Typography */
  --font-main: "Montserrat", sans-serif;

  /* Transitions */
  --transition: all 0.3s ease;
}

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

body {
  font-family: var(--font-main);
  color: var(--text-color);
  background-color: var(--white);
  overflow-x: hidden;
}

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

ul {
  list-style: none;
}

/* --- Components --- */
.btn {
  display: inline-block;
  padding: 12px 30px;
  font-weight: 700;
  text-transform: uppercase;
  border-radius: 5px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
}

.btn-primary {
  background-color: var(--vibrant-cyan);
  color: var(--navy-blue);
}

.btn-primary:hover {
  background-color: transparent;
  border-color: var(--vibrant-cyan);
  color: var(--vibrant-cyan);
  box-shadow: 0 0 15px rgba(0, 229, 255, 0.4);
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  color: var(--navy-blue);
  margin-bottom: 3rem;
  position: relative;
  padding-bottom: 1rem;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background-color: var(--vibrant-cyan);
}

/* --- Navbar --- */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 5%;
  background-color: var(--white);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--navy-blue);
  display: flex;
  align-items: center;
  gap: 10px;
  /* Increase height for better logo visibility */
  height: 90px;
  overflow: hidden;
}

.logo img {
  height: 100%;
  width: auto;
  /* Reset transform to show full logo clearly */
  transform: none;
  object-fit: contain;
}

.logo i {
  color: var(--vibrant-cyan);
  font-size: 1.8rem;
}

.nav-menu {
  display: flex;
  gap: 2rem;
}

.nav-link {
  font-weight: 600;
  color: var(--navy-blue);
  position: relative;
  transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--vibrant-cyan);
}

.nav-link::after {
  content: "";
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -5px;
  left: 0;
  background-color: var(--vibrant-cyan);
  transition: var(--transition);
}

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

.hamburger {
  display: none;
  cursor: pointer;
}

.bar {
  display: block;
  width: 25px;
  height: 3px;
  margin: 5px auto;
  background-color: var(--navy-blue);
  transition: var(--transition);
}

/* --- Hero Section --- */
.hero {
  height: 90vh;
  background:
    linear-gradient(rgba(0, 31, 63, 0.7), rgba(0, 31, 63, 0.4)),
    url("https://images.unsplash.com/photo-1617788138017-80ad40651399?q=80&w=2670&auto=format&fit=crop"); /* Placeholder image */
  background-size: cover;
  background-position: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  color: var(--white);
  padding: 0 20px;
}

.hero h2 {
  font-size: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 1rem;
  color: var(--vibrant-cyan);
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 2rem;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

/* --- About Section (Grid) --- */
.about {
  padding: 5rem 5%;
  background-color: var(--white);
}

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

.about-card {
  background: var(--light-gray);
  padding: 2rem;
  border-radius: 10px;
  text-align: center;
  border-top: 4px solid var(--vibrant-cyan);
  transition: var(--transition);
}

.about-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.about-card h3 {
  color: var(--navy-blue);
  margin-bottom: 1rem;
  font-size: 1.5rem;
}

.about-card p {
  line-height: 1.6;
  color: #666;
}

.about-icon {
  font-size: 3rem;
  color: var(--navy-blue);
  margin-bottom: 1.5rem;
}

/* --- Services Section --- */
.services {
  padding: 5rem 5%;
  background-color: var(--navy-blue); /* Dark background for contrast */
  color: var(--white);
}

.services .section-title {
  color: var(--white);
}

.services-list {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 2rem;
}

.service-item {
  background: rgba(255, 255, 255, 0.05); /* Glass effect */
  backdrop-filter: blur(10px);
  padding: 2rem;
  border-radius: 10px;
  width: 250px;
  text-align: center;
  border: 1px solid rgba(0, 229, 255, 0.2);
  transition: var(--transition);
}

.service-item:hover {
  background: rgba(0, 229, 255, 0.1);
  border-color: var(--vibrant-cyan);
  transform: scale(1.05);
}

.service-icon {
  font-size: 2.5rem;
  color: var(--vibrant-cyan);
  margin-bottom: 1rem;
}

.service-item h4 {
  font-size: 1.1rem;
  font-weight: 600;
}

/* --- Partners Section --- */
.partners {
  padding: 4rem 5%;
  background-color: var(--light-gray);
  overflow: hidden;
}

.partners-container {
  display: flex;
  justify-content: space-around;
  align-items: center;
  flex-wrap: wrap;
  gap: 3rem;
}

.partner-logo {
  height: 100px;
  width: 200px;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 1rem;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05); /* Subtle shadow */
  transition: var(--transition);
}

.partner-logo img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  filter: grayscale(100%); /* Maintain uniform look initially */
  transition: var(--transition);
}

.partner-logo:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
}

.partner-logo:hover img {
  filter: grayscale(0%); /* Color on hover */
}

/* Make client logos larger */
#clientes .partner-logo {
  width: 300px;
  height: 150px;
}

/* --- Footer --- */
.footer {
  background-color: var(--navy-blue);
  color: var(--white);
  padding: 3rem 5% 1rem;
  text-align: center;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
  text-align: left;
}

.footer-logo {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--vibrant-cyan);
}

.footer-info h4 {
  color: var(--vibrant-cyan);
  margin-bottom: 1rem;
  font-size: 1.2rem;
}

.footer-info p {
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-info i {
  color: var(--vibrant-cyan);
}

.cta-box {
  background: rgba(0, 229, 255, 0.1);
  padding: 2rem;
  border-radius: 10px;
  text-align: center;
  border: 1px solid var(--vibrant-cyan);
}

.cta-box h3 {
  margin-bottom: 1rem;
  color: var(--white);
}

.copyright {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1rem;
  font-size: 0.9rem;
  color: #888;
}

/* Social Links */
.social-links {
  margin-top: 1.5rem;
  display: flex;
  gap: 1rem;
}

.social-links a {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  color: var(--white);
  font-size: 1.2rem;
  transition: var(--transition);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.social-links a:hover {
  background-color: var(--vibrant-cyan);
  color: var(--navy-blue);
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(0, 229, 255, 0.3);
  border-color: var(--vibrant-cyan);
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .hamburger {
    display: block;
  }

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

  .hamburger.active .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }

  .hamburger.active .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }

  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    gap: 0;
    flex-direction: column;
    background-color: var(--white);
    width: 100%;
    text-align: center;
    transition: 0.3s;
    box-shadow: 0 10px 10px rgba(0, 0, 0, 0.1);
  }

  .nav-item {
    margin: 16px 0;
  }

  .nav-menu.active {
    left: 0;
  }

  .hero h1 {
    font-size: 2.5rem;
  }
}