:root {
  --primary: #fdf800;   /* Yellow */
  --secondary: #e63946; /* Red */
  --dark: #222;
  --light: #fafafa;
  --border: #eaeaea;
}

* {
  box-sizing: border-box;
}

body {
  font-family: Inter, Arial, sans-serif;
  background: var(--light);
  color: var(--dark);
  max-width: 960px;
  margin: 40px auto;
  padding: 0 20px;
}

h1 {
  text-align: center;
  margin-bottom: 40px;
}

section {
  background: #fff;
  padding: 24px;
  margin-bottom: 30px;
  border-radius: 12px;
  border: 1px solid var(--border);
  box-shadow: 0 6px 20px rgba(0,0,0,0.05);
}

h2 {
  margin-bottom: 15px;
  border-left: 5px solid var(--primary);
  padding-left: 10px;
}

input, textarea {
  width: 100%;
  padding: 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  font-size: 15px;
}

textarea {
  min-height: 100px;
}

button {
  margin-top: 10px;
  background: var(--primary);
  border: none;
  padding: 12px 18px;
  border-radius: 8px;
  font-weight: bold;
  cursor: pointer;
}

button:hover {
  background: var(--secondary);
  color: #fff;
}

.result-badge {
  display: inline-block;
  margin-top: 10px;
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 600;
}

.informational { background: #e3f2fd; }
.commercial { background: #fff3cd; }
.transactional { background: #fdecea; }
.navigational { background: #e8f5e9; }

.serp-preview {
  margin-top: 15px;
  padding: 15px;
  border-radius: 10px;
  border: 1px solid var(--border);
}

#previewTitle {
  color: #1a0dab;
  margin-bottom: 4px;
}

#previewUrl {
  color: #006621;
  font-size: 14px;
}

#previewMeta {
  font-size: 14px;
  color: #555;
}

.cluster {
  margin-top: 15px;
}

.cluster h4 {
  margin-bottom: 5px;
  color: var(--secondary);
}
.tool {
  margin-bottom: 40px;
}

.tool-desc {
  font-size: 14px;
  color: #666;
  margin-bottom: 15px;
  max-width: 700px;
}