@@ -31,7 +31,7 @@ html(lang='en')
 
         link(href='../css/styles.css', rel='stylesheet')
 
-    body#page-top(data-bs-spy='scroll', data-bs-target='#mainNav', data-bs-offset='74')
+    body#page-top(data-bs-spy='scroll', data-bs-target='#mainNav', data-bs-root-margin='0px 0px -55%', data-bs-smooth-scroll='true', tabindex='0')
 
         //- Navigation
         nav#mainNav.navbar.navbar-expand-lg.navbar-dark.fixed-top
@@ -129,9 +129,9 @@ html(lang='en')
                                 i.fas.fa-microphone.fa-stack-1x.fa-inverse
                             h4.my-3 Attend the Talks
                             p.text-muted
-                                | Show up — in person or remote — for the 
+                                | Show up — in person or remote — for the four 
                                 a(href='#talks') CSAPI-themed talks
-                                |  OS4CSAPI members are giving across the three sprint days. Bringing an audience helps signal interest in CSAPI to the wider OGC community.
+                                |  OS4CSAPI members are giving on Day 3 (Wednesday, 13 May), the final day of the sprint. Bringing an audience helps signal interest in CSAPI to the wider OGC community.
 
         //- Registration
         section.page-section.bg-light#register
@@ -212,7 +212,7 @@ html(lang='en')
                 .row.justify-content-center.mb-4
                     .col-lg-9
                         p.text-center.text-muted
-                            | Four OS4CSAPI participants are filling speaking slots on the final afternoon of the sprint, each presenting on a Connected Systems topic. These are individual contributions to the broader OGC Builder Days agenda — not a dedicated CSAPI track. All sessions are accessible in person at Geovation, on Microsoft Teams, and via the #connected-systems Discord channel.
+                            | Four OS4CSAPI participants are filling speaking slots across Day 3 — the final day of the sprint — with sessions running from late morning into early afternoon. Each presents on a Connected Systems topic. These are individual contributions to the broader OGC Builder Days agenda — not a dedicated CSAPI track. All sessions are accessible in person at Geovation, on Microsoft Teams, and via the #connected-systems Discord channel.
                 .row.g-4.align-items-start
                     each talk in event.csapiDay.talks
                         .col-md-6
 
@@ -35,11 +35,24 @@
                 font-size: 0.95rem;
                 color: $gray-600;
                 letter-spacing: $headings-letter-spacing;
+                position: relative;
+                transition: color 0.15s ease;
 
                 &.active,
                 &:hover {
                     color: $primary;
                 }
+
+                &.active::after {
+                    content: '';
+                    position: absolute;
+                    left: 0.75rem;
+                    right: 0.75rem;
+                    bottom: 0.25rem;
+                    height: 2px;
+                    background: $primary;
+                    border-radius: 2px;
+                }
             }
         }
     }
Original file line number	Diff line number	Diff line change
`@@ -35,11 +35,24 @@`
`35`	`35`	`font-size: 0.95rem;`
`36`	`36`	`color: $gray-600;`
`37`	`37`	`letter-spacing: $headings-letter-spacing;`
	`38`	`+ position: relative;`
	`39`	`+ transition: color 0.15s ease;`
`38`	`40`
`39`	`41`	`&.active,`
`40`	`42`	`&:hover {`
`41`	`43`	`color: $primary;`
`42`	`44`	`}`
	`45`	`+`
	`46`	`+ &.active::after {`
	`47`	`+ content: '';`
	`48`	`+ position: absolute;`
	`49`	`+ left: 0.75rem;`
	`50`	`+ right: 0.75rem;`
	`51`	`+ bottom: 0.25rem;`
	`52`	`+ height: 2px;`
	`53`	`+ background: $primary;`
	`54`	`+ border-radius: 2px;`
	`55`	`+ }`
`43`	`56`	`}`
`44`	`57`	`}`
`45`	`58`	`}`