/* General Reset */
body {
  font-family: 'Segoe UI', sans-serif;
  margin: 0;
  background-color: #f8f9fa;
  color: #333;
}

/* Header */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #0a1f44;
  color: white;
  padding: 1rem 2rem;
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  margin: 0;
  padding: 0;
}

nav a {
  color: white;
  text-decoration: none;
  font-weight: 500;
}

.auth-buttons a {
  margin-left: 1rem;
  padding: 0.5rem 1rem;
  border-radius: 4px;
}

.login {
  background: transparent;
  border: 1px solid white;
}

.signup {
  background: #007bff;
  color: white;
}

/* Hero Section */
.hero {
  background: linear-gradient(to right, #0a1f44, #1e3a8a);
  color: white;
  text-align: center;
  padding: 5rem 2rem;
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.hero p {
  font-size: 1.2rem;
}

.btn-primary, .btn-secondary {
  padding: 0.8rem 1.5rem;
  border-radius: 5px;
  text-decoration: none;
  margin: 0.5rem;
  display: inline-block;
}

.btn-primary {
  background: #007bff;
  color: white;
}

.btn-secondary {
  border: 2px solid white;
  color: white;
}

/* Sections */
.features, .markets, .tools, .contact, .live-chart {
  text-align: center;
  padding: 3rem 2rem;
}

.feature-grid, .market-grid, .tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.feature-item, .market-card, .tool-card {
  background: white;
  border-radius: 8px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
  padding: 1.5rem;
}

/* Contact Section */
.contact {
  background: #e9ecef;
}

.contact form {
  margin-top: 1rem;
}

.contact input {
  padding: 0.8rem;
  width: 250px;
  border: 1px solid #ccc;
  border-radius: 4px;
}

.contact button {
  padding: 0.8rem 1.5rem;
  margin-left: 0.5rem;
  background: #007bff;
  color: white;
  border: none;
  border-radius: 4px;
}

/* Footer */
footer {
  background: #0a1f44;
  color: white;
  text-align: center;
  padding: 1rem;
}

.footer-info {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 1rem;
}

.footer-links a {
  color: #ccc;
  text-decoration: none;
  margin: 0 0.5rem;
}

/* Responsive Layout */
@media (max-width: 768px) {
  header {
    flex-direction: column;
    text-align: center;
  }

  nav ul {
    flex-direction: column;
    gap: 1rem;
  }

  .feature-grid, .market-grid, .tool-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 3rem 1rem;
  }

  .btn-primary, .btn-secondary {
    display: block;
    margin: 1rem auto;
    width: 80%;
  }

  .footer-info {
    flex-direction: column;
    gap: 1rem;
  }
}