feat: establish GeoIntel and ITWorx branding

frontend/src/styles/landing.css

@@ -71,14 +71,10 @@ body.landing-body {
 }
 
 .landing-brand-mark {
-  display: grid;
   width: 2rem;
   height: 2rem;
-  place-items: center;
-  border: 1px solid #8ec7bc;
-  border-radius: 4px;
-  background: #e7faf6;
-  font-size: 0.76rem;
+  border-radius: 0.48rem;
+  box-shadow: 0 5px 14px rgba(6, 40, 36, 0.19);
 }
 
 .landing-nav {
@@ -321,6 +317,10 @@ body.landing-body {
 .landing-footer { display: flex; gap: 2rem; align-items: center; justify-content: space-between; padding: 2rem clamp(1.25rem, 4vw, 4.5rem); background: #061815; color: #fff; }
 .landing-footer strong { font-family: "Manrope", sans-serif; }
 .landing-footer p { margin: 0.35rem 0 0; color: rgba(255, 255, 255, 0.58); font-size: 0.7rem; }
+.landing-footer-ownership { display: grid; gap: 0.65rem; justify-items: end; text-align: right; }
+.landing-footer .itworx-signature { display: flex; gap: 0.7rem; align-items: center; }
+.landing-footer .itworx-signature > span { color: rgba(255, 255, 255, 0.48); font-size: 0.58rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; }
+.landing-footer .itworx-signature img { width: 7.7rem; height: auto; filter: drop-shadow(0 3px 8px rgba(0, 0, 0, 0.25)); }
 
 .landing-auth-loading {
   display: grid;
@@ -363,6 +363,7 @@ body.landing-body {
   .landing-workflow { padding: 3.5rem 1rem; }
   .landing-workflow-map { min-height: 28rem; }
   .landing-footer { align-items: flex-start; flex-direction: column; }
+  .landing-footer-ownership { justify-items: start; text-align: left; }
 }
 
 @media (prefers-reduced-motion: reduce) {