fix: clarify sponsorship price, duration, and placement wording

"Indie Dev from $99 a month" put "from" on one tier although every tier discounts longer terms, the duration line listed terms the tier cards don't price, and the independence note left out the site placement.

Co-Authored-By: Claude <noreply@anthropic.com>

website/templates/sponsorship.html

@@ -31,8 +31,8 @@
       <p class="category-subtitle">
         The #10 most-starred repository on GitHub, and the list Python
         developers check when choosing what to use. Your sponsorship puts your
-        product in front of them at the moment of decision. Headline $500,
-        Featured $200, Indie Dev from $99 a month.
+        product in front of them at the moment of decision. From $99 a month:
+        Headline $500, Featured $200, Indie Dev $99.
       </p>
 
       {% if hero_stats %}
@@ -54,7 +54,7 @@
           class="hero-action hero-action-secondary"
           target="_blank"
           rel="noopener"
-          >View on GitHub</a
+          >Full terms on GitHub</a
         >
       </div>
     </div>
@@ -253,7 +253,10 @@
         </div>
         <div>
           <dt>Duration</dt>
-          <dd>1, 3, 6, or 12 months (a year gets 3 months free).</dd>
+          <dd>
+            1, 3, 6, or 12 months. A year gets 3 months free; Indie Dev also has
+            a quarterly rate.
+          </dd>
         </div>
         <div>
           <dt>Payment method</dt>
@@ -287,8 +290,8 @@
     </header>
     <div class="sponsorship-body">
       <p>
-        Sponsorship is logo and link placement in the README header. It does not
-        influence which projects are listed. We curate listings on merit through
+        Sponsorship is logo and link placement in the README header and on this
+        site. It does not influence which projects are listed. We curate listings on merit through
         the normal
         <a
           href="https://github.com/vinta/awesome-python/blob/master/CONTRIBUTING.md"