add contact link

main.css

@@ -13,8 +13,9 @@ h1, h2, h3, h4, h5, h6 {
   /*gap: 20px;*/
   padding-top: 5.78vw; /* hor spacing from line to heading top */
   margin-top: 2.25vw;
+  margin-bottom: 0;
 
-  background-image: url("https://abanbytes.eu/upload/hero_bg_plain.svg");
+  background-image: url("https://abanbytes.eu/upload/hero_bg_2_plain.svg");
   background-repeat: no-repeat;
   background-position: center top;
   background-size: 100% auto;
@@ -45,6 +46,7 @@ h1, h2, h3, h4, h5, h6 {
   /*align-items: center;
   justify-content: center;*/
   flex-direction: column;
+  margin-bottom: 2.25vw; /* bottom distance to cta, in regular mode */
 }
 
 .block h2 {
@@ -66,7 +68,8 @@ h1, h2, h3, h4, h5, h6 {
     flex-direction: column;
     padding-top: 19.29vw;
     margin-top: 2.25vw;
-    margin-bottom: 2.25vw;
+    margin-bottom: 0;
+    width: max(100%, calc(15em + 2 * 12.85vw));
   }
 
   .block {
@@ -83,14 +86,58 @@ h1, h2, h3, h4, h5, h6 {
   }
 
   .block:nth-child(1) {
-    margin-top: 
+    margin-top: 0;
+  }
+  .block:nth-child(3) {
+    margin-bottom: 4.5vw; /* bottom 2.25vw + distance to cta, in responsive mode */
   }
 }
 
-div.body, div.footer {
+.cta {
+  margin-left: 0;
+  margin-top: -0.3vw;
+  padding-left: 13vw;
+}
+
+div.cta {
+  /*width: 100%;*/
+  min-height: 5.95vw;
+  background-image: url("https://abanbytes.eu/upload/cta.svg");
+  background-repeat: no-repeat;
+  background-position: left top;
+  background-size: auto 5.95vw;
+}
+
+div.footer {
   margin-left: 7.14vw;
   margin-right: 7.14vw;
 }
+div.cta {
+  margin-right: 7.14vw;
+}
+.cta {
+  /* set variables */
+  --circle-center-y: 2.905vw;
+  --cta-heading-size: 1.5rem;
+  --cta-heading-line-height: 1.2;
+}
+.cta h2 {
+  margin-top: 0px;
+  margin-bottom: 0.5rem; /* sensitive to .cta h2 font-size */
+  font-size: var(--cta-heading-size);
+  line-height: var(--cta-heading-line-height);
+}
+.cta p:first-of-type {
+  margin-top: 0.5rem;
+}
+
+div.cta-content {
+  padding-top: calc(
+    var(--circle-center-y) -
+    ((var(--cta-heading-size) * var(--cta-heading-line-height)) * 0.5)
+  );
+  margin-left: 2.25vw;
+}
 
 div.footer {
   margin-top: 7.14vw;