body {
  margin: 0;
  font-family: 'Helvetica Neue', sans-serif;
  background-color: #ffffff;
  color: #0a1a2f;
}
header {
  background-color: #000000;
  color: white;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
nav a {
  color: white;
  margin: 0 1rem;
  text-decoration: none;
  font-weight: bold;
}
.language-selector select {
  padding: 0.3rem;
  border-radius: 5px;
  border: none;
}
section {
  padding: 4rem 2rem;
  text-align: center;
}
h1, h2 {
  color: #ffffff;
}
footer {
  background-color: #000000;
  color: white;
  text-align: center;
  padding: 1rem;
}
.services-section {
  max-width: 1200px;
  margin: auto;
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}
.service-card {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: white;
  position: relative;
  overflow: hidden;
  padding: 2rem;
  border-radius: 15px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
  transition: 0.3s;
}
.service-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(10, 26, 47, 0.5);
  z-index: 0;
}
.service-card:hover {
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
  transform: translateY(-5px);
}
.service-card h3,
.service-card p {
  position: relative;
  z-index: 1;
}
.service-card h3 {
  margin-bottom: 1rem;
  font-size: 1.5rem;
}
.service-card p {
  font-size: 1rem;
}
.logo {
  display: flex;
  align-items: center;
}
.logo img {
  height: 50px;
  margin-right: 10px;
}

/* Responsive mobile */
@media screen and (max-width: 768px) {
  header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
  }
  nav {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    width: 100%;
  }
  nav a {
    font-size: 0.9rem;
    padding: 0.4rem 1rem;
  }
  .language-selector {
    align-self: flex-end;
  }
  .hero-video {
    object-fit: contain;
    background-color: black;
  }
  .hero-content h1 {
    font-size: 1.8rem;
  }
  .hero-content p {
    font-size: 1rem;
  }
  .hero-content a {
    font-size: 0.9rem;
    padding: 0.6rem 1.5rem;
  }
  .services-grid {
    grid-template-columns: 1fr;
  }
  .service-card {
    padding: 1.2rem;
  }
  .logo img {
    height: 40px;
  }
}