body {
  background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
  font-family: 'Montserrat', 'Lora', sans-serif;
  margin: 0;
  min-height: 100vh;
}

.header {
  background: rgba(30,58,138,0.95);
  box-shadow: 0 2px 16px rgba(30,58,138,0.10);
  padding: 0.7rem 0;
}
.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
}
.logo {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 1.5rem;
  color: #fff;
  letter-spacing: 1px;
}
nav ul {
  list-style: none;
  display: flex;
  gap: 2rem;
  margin: 0;
  padding: 0;
}
nav ul li a {
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  text-decoration: none;
  font-size: 1rem;
  letter-spacing: 0.5px;
  transition: color 0.18s;
  padding-bottom: 2px;
  border-bottom: 2px solid transparent;
}
nav ul li a.active,
nav ul li a:hover {
  color: #ffd700;
  border-bottom: 2px solid #ffd700;
}

.usecases {
  padding: 3rem 0 2rem 0;
}

.usecases h1 {
  font-family: 'Montserrat', sans-serif;
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: 1rem;
  color: #ffd700;
  font-weight: 700;
  letter-spacing: 1px;
}

.usecases p {
  font-size: 1.2rem;
  text-align: center;
  margin-bottom: 2.5rem;
  color: #e0e7ef;
  font-family: 'Lora', serif;
}

.usecases-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 2.5rem;
  justify-content: center;
  align-items: flex-start;
  max-width: 1000px;
  margin: 0 auto;
}

.usecase-card {
  background: rgba(255,255,255,0.13);
  border-radius: 18px;
  box-shadow: 0 8px 32px rgba(30,58,138,0.18);
  padding: 2.5rem 2rem 2rem 2rem;
  min-width: 260px;
  max-width: 350px;
  text-align: center;
  color: #fff;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  border: 1.5px solid #2b7cff22;
  transition: box-shadow 0.22s, transform 0.22s, border-color 0.22s;
}

.usecase-card:hover {
  box-shadow: 0 12px 36px rgba(43,124,255,0.18);
  border-color: #2b7cff;
  transform: translateY(-10px) scale(1.04);
}

.usecase-card h2 {
  font-family: 'Montserrat', sans-serif;
  margin: 0.5rem 0 0.2rem 0;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: #ffd700;
}

.usecase-card p {
  font-size: 1.05rem;
  margin-bottom: 0;
  color: #e0e7ef;
  font-family: 'Lora', serif;
}

.footer {
  padding: 2.5rem 0 0 0;
  background: rgba(30, 60, 114, 0.93);
  color: #fff;
  font-family: 'Montserrat', 'Lora', sans-serif;
}

.footer-content {
  display: flex;
  flex-wrap: wrap;
  gap: 2.5rem;
  justify-content: space-between;
  align-items: flex-start;
  max-width: 1100px;
  margin: 0 auto;
  padding-bottom: 2rem;
  border-bottom: 1.5px solid rgba(255,255,255,0.13);
}

.footer-col {
  flex: 1 1 200px;
  min-width: 200px;
  max-width: 260px;
  margin-bottom: 1.5rem;
}

.footer-col h3,
.footer-col h4 {
  color: #ffd700;
  font-family: 'Montserrat', sans-serif;
  font-size: 1.2rem;
  margin-bottom: 1rem;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-col ul li {
  margin-bottom: 0.7rem;
}

.footer-col ul li a {
  color: #e0e7ef;
  text-decoration: none;
  font-size: 1rem;
  font-family: 'Montserrat', sans-serif;
  transition: color 0.18s;
}

.footer-col ul li a:hover {
  color: #ffd700;
}

.footer-col p {
  margin: 0.3rem 0;
  font-size: 1rem;
  color: #e0e7ef;
  font-family: 'Lora', serif;
}

.footer-col i {
  margin-right: 0.5rem;
  color: #ffd700;
}

.social-icons {
  display: flex;
  gap: 1rem;
  margin-top: 0.5rem;
}

.social-icons a {
  color: #fff;
  font-size: 1.3rem;
  transition: color 0.2s, transform 0.2s;
}

.social-icons a:hover {
  color: #ffd700;
  transform: scale(1.15);
}

.footer-bottom {
  text-align: center;
  padding: 1.2rem 0 0.5rem 0;
  color: #e0e7ef;
  font-size: 1rem;
  font-family: 'Montserrat', sans-serif;
  letter-spacing: 0.2px;
  background: none;
  border: none;
}

/* Responsive styles */
@media (max-width: 900px) {
  .header .container {
    flex-direction: column;
    gap: 1rem;
    padding: 0 1rem;
  }
  .blog-grid {
    flex-direction: column;
    align-items: center;
    gap: 2rem;
  }
  .blog-card {
    min-width: 90vw;
    max-width: 98vw;
  }
  .blog h1 {
    font-size: 2rem;
  }
  .footer-content {
    flex-direction: column;
    gap: 1.5rem;
    align-items: center;
    padding-bottom: 1.2rem;
  }
  .footer-col {
    max-width: 98vw;
    text-align: center;
  }
}

@media (max-width: 600px) {
  .blog-card {
    padding: 1.2rem 0.5rem 1.2rem 0.5rem;
  }
  .blog {
    padding: 1.2rem 0 1.2rem 0;
  }
  .blog h1 {
    font-size: 1.3rem;
  }
  .logo {
    font-size: 1.1rem;
  }
  nav ul {
    gap: 1rem;
  }
  .footer {
    padding: 1.2rem 0 0 0;
  }
  .footer-col h3,
  .footer-col h4 {
    font-size: 1rem;
  }
  .footer-bottom {
    font-size: 0.95rem;
  }
}

@media (max-width: 900px) {
  .header .container {
    flex-direction: column;
    gap: 1rem;
    padding: 0 1rem;
  }
  .usecases-grid {
    flex-direction: column;
    align-items: center;
    gap: 2rem;
  }
  .usecase-card {
    min-width: 90vw;
    max-width: 98vw;
  }
  .usecases h1 {
    font-size: 2rem;
  }
}

@media (max-width: 600px) {
  .usecase-card {
    padding: 1.2rem 0.5rem 1.2rem 0.5rem;
  }
  .usecases {
    padding: 1.2rem 0 1.2rem 0;
  }
  .usecases h1 {
    font-size: 1.3rem;
  }
  .logo {
    font-size: 1.1rem;
  }
  nav ul {
    gap: 1rem;
  }
}