Update style.css

style.css

@@ -1,62 +1,62 @@
 body {
   padding: 2rem;
   font-family: "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
-  background-color: #0f172a; /* dark slate */
-  color: #f1f5f9; /* light text */
-  line-height: 1.8;
+  background-color: #0f172a;
+  color: #f1f5f9;
+  line-height: 2; /* generous spacing between lines */
 }
 
 .card {
   max-width: 720px;
   margin: 0 auto;
-  padding: 24px;
-  background-color: #1e293b; /* slightly lighter panel */
+  padding: 32px;
+  background-color: #1e293b;
   border: 1px solid #334155;
   border-radius: 12px;
   box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
 }
 
 h1 {
-  font-size: 28px;
+  font-size: 36px;
   font-weight: bold;
-  margin-bottom: 12px;
+  margin-bottom: 24px;
   color: #f8fafc;
 }
 
 .tagline {
-  font-size: 16px;
+  font-size: 18px;
   font-weight: 500;
   color: #cbd5e1;
-  margin-bottom: 24px;
+  margin-bottom: 32px;
 }
 
 h2 {
-  font-size: 20px;
+  font-size: 28px;
   font-weight: bold;
-  margin-top: 28px;
-  margin-bottom: 12px;
+  margin-top: 48px;
+  margin-bottom: 16px;
   color: #e2e8f0;
 }
 
 p {
-  font-size: 16px;
-  margin-bottom: 20px;
+  font-size: 17px;
+  margin-bottom: 24px; /* one-line spacing */
 }
 
 ul {
-  padding-left: 20px;
-  margin-bottom: 20px;
+  padding-left: 24px;
+  margin-bottom: 24px;
 }
 
 li {
-  font-size: 16px;
-  margin-bottom: 10px;
+  font-size: 17px;
+  margin-bottom: 16px; /* one-line spacing */
 }
 
 .footer {
   font-weight: bold;
-  font-size: 16px;
-  margin-top: 40px;
+  font-size: 17px;
+  margin-top: 48px;
   text-align: center;
   color: #f8fafc;
 }