landing: remove second subtitle

Made-with: Cursor

Author: NAOR YUVAL

index.html

@@ -105,14 +105,8 @@
       font-size: 1.25rem;
       font-weight: 500;
       color: var(--accent);
-      margin-bottom: 0.75rem;
       letter-spacing: -0.01em;
     }
-    header .subtitle {
-      font-size: 1rem;
-      color: var(--text-muted);
-      line-height: 1.6;
-    }
 
     /* Story sections */
     main {
@@ -248,7 +242,6 @@
     <span class="badge">Protocol v1.0</span>
     <h1>Machine Payment Control Protocol (MPCP)</h1>
     <p class="tagline">The authorization layer for machine commerce.</p>
-    <p class="subtitle">Verifiable machine-to-service payments. Bounded authorization, deterministic verification, settlement-agnostic.</p>
   </header>
 
   <main>