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

html,
body {
  font-family: 'Poppins', sans-serif;
  line-height: 1.6;
  color: #0a192f;
  background-color: #ffffff;
}

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

.container {
  width: 90%;
  max-width: 1100px;
  margin: 0 auto;
}

/* Navigation */
.navbar {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 10;
  padding: 20px 0;
}

.navbar .nav-container {
  display: flex;
  justify-content: flex-end;
}

.language-switch a {
  color: #f0f4f8;
  font-weight: 600;
  margin: 0 5px;
  transition: opacity 0.3s ease;
}

.language-switch a:hover,
.language-switch a.active {
  opacity: 0.8;
  text-decoration: underline;
}

.language-switch span {
  color: #f0f4f8;
  margin: 0 5px;
}

/* Hero */
.hero {
  background-image: url('../images/network-bg.png');
  background-size: cover;
  background-position: center;
  height: 60vh;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  text-align: center;
}

.hero .overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 17, 34, 0.7);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.hero .subtitle {
  font-size: 1.2rem;
  font-weight: 300;
  opacity: 0.9;
}

/* Sections */
.section {
  padding: 60px 0;
}

.dark-section {
  background-color: #0a192f;
  color: #e1eaf2;
}

.section-title {
  font-size: 2rem;
  font-weight: 600;
  margin-bottom: 20px;
  color: #0077b6;
}

.dark-section .section-title {
  color: #61dafb;
}

.section p {
  font-size: 1rem;
  margin-bottom: 15px;
  max-width: 900px;
}

/* Expertise Grid */
.expertise-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 30px;
}

.expertise-item {
  background-color: rgba(255, 255, 255, 0.8);
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.dark-section .expertise-item {
  background-color: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(4px);
  box-shadow: none;
}

.expertise-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.1);
}

.icon {
  font-size: 2rem;
  color: #0077b6;
  margin-bottom: 15px;
}

.dark-section .icon {
  color: #61dafb;
}

.expertise-item h3 {
  margin-bottom: 10px;
  font-size: 1.2rem;
  font-weight: 600;
}

.expertise-item p {
  font-size: 0.95rem;
  color: inherit;
}

/* AI Section */
.ai-section {
  background-color: #f5f9fc;
}

.ai-container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 40px;
}

.ai-text {
  flex: 1 1 380px;
}

.ai-image {
  flex: 1 1 300px;
  text-align: center;
}

.ai-image img {
  width: 100%;
  max-width: 350px;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

/* Strengths Grid */
.strengths-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 30px;
}

.strength-item {
  background-color: rgba(255, 255, 255, 0.05);
  padding: 20px;
  border-radius: 10px;
  text-align: left;
  transition: background-color 0.3s ease;
}

.strength-item:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

.strength-item h3 {
  margin-bottom: 10px;
  font-size: 1.2rem;
  font-weight: 600;
  color: #61dafb;
}

.strength-item p {
  font-size: 0.95rem;
  color: #d0dceb;
}

.strength-item .icon {
  margin-bottom: 15px;
  font-size: 2rem;
  color: #61dafb;
}

/* Footer */
.footer {
  background-color: #0a192f;
  color: #7a9cc6;
  text-align: center;
  padding: 20px 0;
  font-size: 0.9rem;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.2rem;
  }

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

  .section {
    padding: 50px 0;
  }
}