add basic enterprise section

website/source/assets/stylesheets/_home.scss

@@ -327,6 +327,16 @@ body.page-home {
 		z-index: 20;
 	}
 
+	#enterprise-callout {
+		position: relative;
+		padding: 180px 220px;
+		color: #fff;
+		background-color: #000;
+
+		.lead {
+			max-width: 30em;
+		}
+	}
 
 	@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
 		#demos{

website/source/index.html.erb

@@ -224,3 +224,18 @@
 	</div>
 	<div class="feature-skew" id="announcement-bg"></div>
 </div>
+
+<div id="enterprise-callout">
+	<div class="container">
+		<div class="row">
+			<div class="col-sm-12">
+				<h2><strong>Terraform</strong> Enterprise</h2>
+				<p class="lead">Collaborative Infrastructure Automation for
+					organizations and businesses. Collaborate on Terraform configurations,
+					 validate changes, and automate provisioning.</p>
+				<p>
+					<a class="outline-btn" href="#">Checkout Terrform Enterprise</a>
+			</div>
+		</div>
+	</div>
+</div>