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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  color: #333;
}

.nav-container {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  padding: 1rem 0;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav-wrapper {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 20px;
}

.logo-section {
  font-size: 24px;
  font-weight: bold;
  color: #fff;
  text-decoration: none;
}

.menu-list {
  display: flex;
  list-style: none;
  gap: 30px;
}

.menu-list a {
  color: #fff;
  text-decoration: none;
  transition: color 0.3s;
  font-weight: 500;
}

.menu-list a:hover {
  color: #00d4ff;
}

.hero-section {
  background: linear-gradient(135deg, #0f2027 0%, #203a43 50%, #2c5364 100%);
  padding: 100px 20px;
  text-align: center;
  color: #fff;
}

.hero-title {
  font-size: 48px;
  margin-bottom: 20px;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero-desc {
  font-size: 20px;
  max-width: 800px;
  margin: 0 auto 30px;
  line-height: 1.8;
}

.cta-button {
  display: inline-block;
  padding: 15px 40px;
  background: #00d4ff;
  color: #fff;
  text-decoration: none;
  border-radius: 5px;
  font-weight: bold;
  transition: background 0.3s;
}

.cta-button:hover {
  background: #00b8e6;
}

.content-section {
  max-width: 1200px;
  margin: 60px auto;
  padding: 0 20px;
}

.section-title {
  font-size: 36px;
  text-align: center;
  margin-bottom: 50px;
  color: #1a1a2e;
}

.grid-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.card-item {
  background: #fff;
  border-radius: 10px;
  padding: 30px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
  transition: transform 0.3s, box-shadow 0.3s;
}

.card-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

.card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 5px;
  margin-bottom: 20px;
}

.card-title {
  font-size: 24px;
  margin-bottom: 15px;
  color: #1a1a2e;
}

.card-text {
  color: #666;
  line-height: 1.8;
}

.footer-section {
  background: #1a1a2e;
  color: #fff;
  padding: 40px 20px;
  text-align: center;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 30px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.footer-links a {
  color: #00d4ff;
  text-decoration: none;
}

.footer-text {
  color: #999;
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.about-image {
  width: 100%;
  border-radius: 10px;
}

.service-list {
  list-style: none;
  padding-left: 0;
}

.service-item {
  padding: 15px;
  margin-bottom: 15px;
  background: #f5f5f5;
  border-left: 4px solid #00d4ff;
  border-radius: 5px;
}

.contact-form {
  max-width: 600px;
  margin: 0 auto;
  background: #fff;
  padding: 40px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  margin-bottom: 5px;
  color: #333;
  font-weight: 500;
}

.form-input, .form-textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid #ddd;
  border-radius: 5px;
  font-size: 16px;
}

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

.submit-button {
  width: 100%;
  padding: 15px;
  background: #00d4ff;
  color: #fff;
  border: none;
  border-radius: 5px;
  font-size: 18px;
  font-weight: bold;
  cursor: pointer;
  transition: background 0.3s;
}

.submit-button:hover {
  background: #00b8e6;
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 32px;
  }

  .hero-desc {
    font-size: 16px;
  }

  .about-content {
    grid-template-columns: 1fr;
  }

  .menu-list {
    flex-direction: column;
    gap: 15px;
  }
}