re-write with std usage of net/http

static/styles/index.css

@@ -0,0 +1,110 @@
+:root {
+    --primary-color: #2563eb;
+    --secondary-color: #1e40af;
+    --background-color: #f8fafc;
+    --text-color: #1e293b;
+}
+
+* {
+    margin: 0;
+    padding: 0;
+    box-sizing: border-box;
+}
+
+body {
+    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
+    line-height: 1.6;
+    color: var(--text-color);
+    background-color: var(--background-color);
+}
+
+.container {
+    max-width: 1200px;
+    margin: 0 auto;
+    padding: 2rem;
+}
+
+header {
+    text-align: center;
+    padding: 4rem 0;
+    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
+    color: white;
+    margin-bottom: 3rem;
+}
+
+h1 {
+    font-size: 3rem;
+    margin-bottom: 1rem;
+    animation: fadeIn 1s ease-in;
+}
+
+.subtitle {
+    font-size: 1.2rem;
+    opacity: 0.9;
+}
+
+.features {
+    display: grid;
+    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
+    gap: 2rem;
+    margin-bottom: 3rem;
+}
+
+.feature-card {
+    background: white;
+    padding: 2rem;
+    border-radius: 10px;
+    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
+    transition: transform 0.3s ease;
+}
+
+.feature-card:hover {
+    transform: translateY(-5px);
+}
+
+.feature-card h3 {
+    color: var(--primary-color);
+    margin-bottom: 1rem;
+}
+
+.cta-button {
+    display: inline-block;
+    background-color: var(--primary-color);
+    color: white;
+    padding: 1rem 2rem;
+    border-radius: 5px;
+    text-decoration: none;
+    transition: background-color 0.3s ease;
+}
+
+.cta-button:hover {
+    background-color: var(--secondary-color);
+}
+
+footer {
+    text-align: center;
+    padding: 2rem;
+    margin-top: 3rem;
+    border-top: 1px solid #e2e8f0;
+}
+
+@keyframes fadeIn {
+    from {
+        opacity: 0;
+        transform: translateY(20px);
+    }
+    to {
+        opacity: 1;
+        transform: translateY(0);
+    }
+}
+
+@media (max-width: 768px) {
+    .container {
+        padding: 1rem;
+    }
+
+    h1 {
+        font-size: 2rem;
+    }
+}