body {
  font-family: Arial;
  background: #f5f7fb;
  margin: 0;
}

.container {
  max-width: 700px;
  margin: auto;
  padding: 20px;
}

h1 {
  text-align: center;
}

.tabs {
  display: flex;
  gap: 10px;
  margin-bottom: 15px;
}

.tabs button {
  flex: 1;
  padding: 10px;
  border: none;
  background: #ddd;
  cursor: pointer;
}

.tab {
  display: none;
  background: white;
  padding: 20px;
  border-radius: 10px;
}

.tab.active {
  display: block;
}

input, select {
  width: 100%;
  padding: 10px;
  margin: 8px 0;
}

button {
  width: 100%;
  padding: 10px;
  background: #1f3c88;
  color: white;
  border: none;
}

.hidden {
  display: none;
}

canvas {
  margin-top: 20px;
}

.result-card {
  margin-top: 20px;
  background: white;
  padding: 25px;
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}

.result-title {
  margin-bottom: 15px;
  font-size: 20px;
  font-weight: bold;
}

.result-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.result-item {
  background: #f4f7ff;
  padding: 12px;
  border-radius: 10px;
  display: flex;
  flex-direction: column;
}

.result-item span {
  font-size: 12px;
  color: #666;
}

.result-item strong {
  font-size: 16px;
  margin-top: 5px;
}

.net-box {
  margin-top: 20px;
  background: linear-gradient(135deg, #1f3c88, #4a6cf7);
  color: white;
  padding: 20px;
  border-radius: 14px;
  text-align: center;
}

.net-box h1 {
  margin: 5px 0 0;
  font-size: 28px;
}

.seo-content {
  margin-top: 40px;
  text-align: left;
  background: white;
  padding: 20px;
  border-radius: 12px;
}

.seo-content h2 {
  margin-bottom: 10px;
}

.seo-content h3 {
  margin-top: 15px;
}

.seo-content p {
  color: #444;
  line-height: 1.6;
}

.main-footer {
  background-color: #1a202c; /* Deep dark blue/grey */
  color: #e2e8f0;
  padding: 60px 20px 30px;
  margin-top: 80px;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.footer-container {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
}

.footer-col h4 {
  color: #63b3ed; /* Light blue accent */
  margin-bottom: 20px;
  font-size: 1.2rem;
}

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

.footer-col ul li {
  margin-bottom: 12px;
}

.footer-col ul li a {
  color: #cbd5e0;
  text-decoration: none;
  transition: color 0.2s;
}

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

/* SEO Content Block */
.footer-seo-rich {
  max-width: 1100px;
  margin: 40px auto;
  padding: 20px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 8px;
}

.seo-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.seo-item h5 {
  color: #a0aec0;
  margin-bottom: 10px;
}

.seo-item p {
  font-size: 0.9rem;
  line-height: 1.6;
  color: #a0aec0;
}

/* Bottom Bar */
.footer-bottom {
  max-width: 1100px;
  margin: 40px auto 0;
  padding-top: 20px;
  border-top: 1px solid #2d3748;
  text-align: center;
  font-size: 0.8rem;
  color: #718096;
}

.footer-bottom strong {
  color: #cbd5e0;
}

/* Responsive adjust */
@media (max-width: 768px) {
  .seo-grid {
    grid-template-columns: 1fr;
  }
}