diff --git a/src/components/CatalogueContent.tsx b/src/components/CatalogueContent.tsx
index 42a42cbe..2b26c66e 100644
--- a/src/components/CatalogueContent.tsx
+++ b/src/components/CatalogueContent.tsx
@@ -19,8 +19,6 @@ import { FilterProvider, useFilters } from "@/context/filterContext";
 import EmptyState from "./ui/EmptyState";
 import SidebarButton from "./SidebarButton";
 import SortComponent from "./ui/sorting";
-import Announcement from "./ui/announcement/Announcement";
-import { getSubjectEvent, EVENTS, type EventData } from "@/config/events";
 
 const CatalogueContentInner = ({ subject }: { subject: string | null }) => {
   const [isMounted, setIsMounted] = useState(false);
@@ -237,60 +235,11 @@ const CatalogueContentInner = ({ subject }: { subject: string | null }) => {
     setAppliedFilters,
   ]);
 
-  const [activeEvent, setActiveEvent] = useState<EventData | null>(null);
-  const [isGridEventsDismissed, setIsGridEventsDismissed] = useState<boolean>(false);
-
-  useEffect(() => {
-    try {
-      setIsGridEventsDismissed(
-        window.sessionStorage.getItem("announcement:global-grid-card:dismissed") === "true",
-      );
-    } catch {
-      setIsGridEventsDismissed(false);
-    }
-  }, []);
-
-  const handleDismissGridEvents = () => {
-    setIsGridEventsDismissed(true);
-    try {
-      window.sessionStorage.setItem(
-        "announcement:global-grid-card:dismissed",
-        "true",
-      );
-    } catch {}
-  };
-
-  useEffect(() => {
-    setActiveEvent(getSubjectEvent(subject));
-  }, [subject]);
-
   const renderGridItems = (paperList: IPaper[]) => {
     if (paperList.length === 0) return null;
-    const currentEvent = activeEvent ?? EVENTS[0]!;
 
     const items: React.ReactNode[] = [];
-    paperList.forEach((paper, index) => {
-      if (index === 2 && !isGridEventsDismissed) {
-        items.push(
-          <Announcement
-            key={`grid-event-${subject ?? "all"}`}
-            id={`grid-card-${currentEvent.id}`}
-            variant="card"
-            title={currentEvent.title}
-            message={currentEvent.description}
-            badge={currentEvent.badge}
-            logoType={currentEvent.logoType}
-            imageUrl={currentEvent.imageUrl}
-            accent={currentEvent.accent}
-            ctaLabel="Register Now"
-            href={currentEvent.registrationUrl}
-            secondaryCtaLabel="Learn More"
-            secondaryHref={currentEvent.landingPageUrl}
-            dismissible={true}
-            onDismiss={handleDismissGridEvents}
-          />,
-        );
-      }
+    paperList.forEach((paper) => {
       items.push(
         <Card
           key={paper._id}
@@ -301,28 +250,6 @@ const CatalogueContentInner = ({ subject }: { subject: string | null }) => {
       );
     });
 
-    if (paperList.length > 0 && paperList.length < 2 && !isGridEventsDismissed) {
-      items.push(
-        <Announcement
-          key={`grid-event-${subject ?? "all"}`}
-          id={`grid-card-${currentEvent.id}`}
-          variant="card"
-          title={currentEvent.title}
-          message={currentEvent.description}
-          badge={currentEvent.badge}
-          logoType={currentEvent.logoType}
-          imageUrl={currentEvent.imageUrl}
-          accent={currentEvent.accent}
-          ctaLabel="Register Now"
-          href={currentEvent.registrationUrl}
-          secondaryCtaLabel="Learn More"
-          secondaryHref={currentEvent.landingPageUrl}
-          dismissible={true}
-          onDismiss={handleDismissGridEvents}
-        />,
-      );
-    }
-
     return items;
   };
 
diff --git a/src/components/Navbar.tsx b/src/components/Navbar.tsx
index 4be2b93b..e4e10cea 100644
--- a/src/components/Navbar.tsx
+++ b/src/components/Navbar.tsx
@@ -23,48 +23,58 @@ import { useCourses } from "@/context/courseContext";
 import PinnedModal from "./ui/PinnedModal";
 import RequestModal from "./ui/RequestModal";
 import Announcement from "./ui/announcement/Announcement";
-import { EVENTS } from "@/config/events";
+import { getSubjectEvent, type EventData } from "@/config/events";
 
 function Navbar() {
   const pathname: string = usePathname() ?? "/";
 
   const [dropdownOpen, setDropdownOpen] = useState<boolean>(false);
-  const [currentBannerIndex, setCurrentBannerIndex] = useState<number>(0);
-  const [isPaused, setIsPaused] = useState<boolean>(false);
   const [isTopBannerDismissed, setIsTopBannerDismissed] = useState<boolean>(false);
   const { courses } = useCourses();
 
   useEffect(() => {
     try {
-      setIsTopBannerDismissed(
-        window.sessionStorage.getItem("announcement:global-top-banner:dismissed") === "true",
-      );
+      const storageKey = "announcement:global-top-banner:dismissed";
+      const timestampKey = `${storageKey}:time`;
+      const isDismissed = window.localStorage.getItem(storageKey) === "true";
+      const dismissedAt = window.localStorage.getItem(timestampKey);
+      const TWELVE_HOURS = 12 * 60 * 60 * 1000;
+
+      if (isDismissed && dismissedAt) {
+        const timePassed = Date.now() - parseInt(dismissedAt, 10);
+        if (timePassed < TWELVE_HOURS) {
+          setIsTopBannerDismissed(true);
+        } else {
+          window.localStorage.removeItem(storageKey);
+          window.localStorage.removeItem(timestampKey);
+          setIsTopBannerDismissed(false);
+        }
+      } else if (isDismissed) {
+        setIsTopBannerDismissed(true);
+      } else {
+        setIsTopBannerDismissed(false);
+      }
     } catch {
       setIsTopBannerDismissed(false);
     }
   }, []);
 
-  useEffect(() => {
-    if (isPaused || EVENTS.length <= 1) return;
-
-    const interval = setInterval(() => {
-      setCurrentBannerIndex((prevIndex) => (prevIndex + 1) % EVENTS.length);
-    }, 5000);
-
-    return () => clearInterval(interval);
-  }, [isPaused]);
-
   const handleDismissTopBanner = (e?: React.MouseEvent) => {
     e?.stopPropagation();
     setIsTopBannerDismissed(true);
     try {
-      window.sessionStorage.setItem(
-        "announcement:global-top-banner:dismissed",
-        "true",
-      );
+      const storageKey = "announcement:global-top-banner:dismissed";
+      window.localStorage.setItem(storageKey, "true");
+      window.localStorage.setItem(`${storageKey}:time`, Date.now().toString());
     } catch {}
   };
 
+  const [currentEvent, setCurrentEvent] = useState<EventData | null>(null);
+
+  useEffect(() => {
+    setCurrentEvent(getSubjectEvent());
+  }, []);
+
   const renderHomePageButtons = () => (
     <>
       {/* <Link href="/pinned" className="ml-2">
@@ -90,38 +100,23 @@ function Navbar() {
 
   return (
     <div className="sticky top-0 z-[50] w-full bg-[#B2B8FF] dark:bg-[#130E1F]">
-      {EVENTS.length > 0 && !isTopBannerDismissed && (
-        <div
-          className="relative w-full overflow-hidden"
-          onMouseEnter={() => setIsPaused(true)}
-          onMouseLeave={() => setIsPaused(false)}
-        >
-          <div
-            className="flex w-full transition-transform duration-700 ease-in-out"
-            style={{ transform: `translateX(-${currentBannerIndex * 100}%)` }}
-          >
-            {EVENTS.map((event) => (
-              <div key={event.id} className="w-full min-w-full flex-shrink-0">
-                <Announcement
-                  id={`top-banner-${event.id}`}
-                  variant="banner"
-                  title="Registrations are Live at Gravitas!"
-                  message={event.tagline}
-                  badge={event.badge}
-                  logoType={event.logoType}
-                  imageUrl={event.imageUrl}
-                  accent={event.accent}
-                  ctaLabel="Register Now"
-                  href={event.registrationUrl}
-                  secondaryCtaLabel="Event Details"
-                  secondaryHref={event.landingPageUrl}
-                  dismissible={true}
-                  onDismiss={handleDismissTopBanner}
-                />
-              </div>
-            ))}
-          </div>
-        </div>
+      {currentEvent && !isTopBannerDismissed && (
+        <Announcement
+          id={`top-banner-${currentEvent.id}`}
+          variant="banner"
+          title="Registrations are Live at Gravitas!"
+          message={currentEvent.tagline}
+          badge={currentEvent.badge}
+          logoType={currentEvent.logoType}
+          imageUrl={currentEvent.imageUrl}
+          accent={currentEvent.accent}
+          ctaLabel="Register Now"
+          href={currentEvent.registrationUrl}
+          secondaryCtaLabel="Event Details"
+          secondaryHref={currentEvent.landingPageUrl}
+          dismissible={true}
+          onDismiss={handleDismissTopBanner}
+        />
       )}
 
       <div className="flex items-center justify-between bg-inherit px-4 py-4 md:px-8 md:py-5">
diff --git a/src/components/ui/announcement/Announcement.tsx b/src/components/ui/announcement/Announcement.tsx
index d2e36cbc..85f5fe70 100644
--- a/src/components/ui/announcement/Announcement.tsx
+++ b/src/components/ui/announcement/Announcement.tsx
@@ -59,16 +59,16 @@ const accentStyles: Record<
     badgeBg: "bg-[#EFEAFF] text-[#562EE7] dark:bg-[#2E1A47] dark:text-[#C4B5FD]",
   },
   amber: {
-    cardBorder: "border-[#D97706] dark:border-[#B45309]",
-    cardSurface: "bg-white dark:bg-[#1C1305] hover:bg-[#FEF3C7] hover:dark:bg-[#2B1B07]",
-    bannerSurface: "bg-[#FEF3C7] dark:bg-[#2A1C07]",
-    chip: "bg-[#FDE8B8] dark:bg-[#3D290A]",
-    chipIcon: "text-[#92600B] dark:text-[#FCD34D]",
-    accentText: "text-[#92600B] dark:text-[#FBBF24]",
-    cta: "bg-[#D97706] text-white hover:bg-[#B8630A] dark:bg-[#D97706] dark:hover:bg-[#B45309]",
-    secondaryCta: "border border-[#D97706] text-[#92600B] hover:bg-[#FEF3C7] dark:border-[#F59E0B] dark:text-[#FCD34D] dark:hover:bg-[#3D290A]",
-    tagText: "text-[#92600B] dark:text-[#FCD34D]",
-    badgeBg: "bg-[#FEF3C7] text-[#92600B] dark:bg-[#3D290A] dark:text-[#FCD34D]",
+    cardBorder: "border-[#734DFF] dark:border-[#562EE7]",
+    cardSurface: "bg-white dark:bg-[#120B24] hover:bg-[#EFEAFF] hover:dark:bg-[#1D1438]",
+    bannerSurface: "bg-[#EFEAFF] dark:bg-[#1A1133]",
+    chip: "bg-[#EFEAFF] dark:bg-[#231845]",
+    chipIcon: "text-[#562EE7] dark:text-[#C4B5FD]",
+    accentText: "text-[#562EE7] dark:text-[#A78BFA]",
+    cta: "bg-[#734DFF] text-white hover:bg-[#5F3FE0] dark:bg-[#6D28D9] dark:hover:bg-[#5B21B6]",
+    secondaryCta: "border border-[#734DFF] text-[#562EE7] hover:bg-[#EFEAFF] dark:border-[#7C3AED] dark:text-[#C4B5FD] dark:hover:bg-[#2E1A47]",
+    tagText: "text-[#734DFF] dark:text-[#C4B5FD]",
+    badgeBg: "bg-[#EFEAFF] text-[#562EE7] dark:bg-[#2E1A47] dark:text-[#C4B5FD]",
   },
   green: {
     cardBorder: "border-[#16A34A] dark:border-[#15803D]",
@@ -167,7 +167,25 @@ export default function Announcement({
     setMounted(true);
     if (dismissible) {
       try {
-        setDismissed(window.sessionStorage.getItem(storageKey) === "true");
+        const timestampKey = `${storageKey}:time`;
+        const isDismissed = window.localStorage.getItem(storageKey) === "true";
+        const dismissedAt = window.localStorage.getItem(timestampKey);
+        const TWELVE_HOURS = 12 * 60 * 60 * 1000;
+
+        if (isDismissed && dismissedAt) {
+          const timePassed = Date.now() - parseInt(dismissedAt, 10);
+          if (timePassed < TWELVE_HOURS) {
+            setDismissed(true);
+          } else {
+            window.localStorage.removeItem(storageKey);
+            window.localStorage.removeItem(timestampKey);
+            setDismissed(false);
+          }
+        } else if (isDismissed) {
+          setDismissed(true);
+        } else {
+          setDismissed(false);
+        }
       } catch {
         setDismissed(false);
       }
@@ -178,7 +196,8 @@ export default function Announcement({
     e.stopPropagation();
     setDismissed(true);
     try {
-      window.sessionStorage.setItem(storageKey, "true");
+      window.localStorage.setItem(storageKey, "true");
+      window.localStorage.setItem(`${storageKey}:time`, Date.now().toString());
     } catch {
       // ignore quota / security error
     }
@@ -214,7 +233,7 @@ export default function Announcement({
           className,
         )}
       >
-        <div className="relative mx-auto flex max-w-screen-2xl items-center justify-between gap-1.5 px-2 py-1.5 sm:gap-3 sm:px-4 sm:py-2.5 md:px-8">
+        <div className="relative flex w-full items-center justify-between gap-3 px-4 py-2.5 md:px-8">
           {/* Info section - grouped neatly right next to the logo */}
           <div className="flex min-w-0 flex-1 items-center gap-2 sm:gap-3">
             {imageUrl ? (
diff --git a/src/components/ui/announcement/EventLogo.tsx b/src/components/ui/announcement/EventLogo.tsx
index 1954aa8d..939045cc 100644
--- a/src/components/ui/announcement/EventLogo.tsx
+++ b/src/components/ui/announcement/EventLogo.tsx
@@ -66,7 +66,7 @@ export function EventLogo({ type = "default", className, size = "md" }: EventLog
     return (
       <div
         className={cn(
-          "relative flex items-center justify-center rounded-2xl bg-gradient-to-br from-amber-950 via-orange-900 to-slate-900 p-2 shadow-lg shadow-orange-900/30 ring-1 ring-orange-500/30 transition-transform duration-300 hover:scale-105",
+          "relative flex items-center justify-center rounded-2xl bg-gradient-to-br from-indigo-950 via-purple-900 to-slate-900 p-2 shadow-lg shadow-purple-900/30 ring-1 ring-purple-500/30 transition-transform duration-300 hover:scale-105",
           sizeClasses[size],
           className
         )}
@@ -75,13 +75,13 @@ export function EventLogo({ type = "default", className, size = "md" }: EventLog
           viewBox="0 0 100 100"
           fill="none"
           xmlns="http://www.w3.org/2000/svg"
-          className="h-full w-full drop-shadow-[0_0_8px_rgba(249,115,22,0.6)]"
+          className="h-full w-full drop-shadow-[0_0_8px_rgba(168,85,247,0.6)]"
         >
           <defs>
             <linearGradient id="cookFlame" x1="0%" y1="100%" x2="0%" y2="0%">
-              <stop offset="0%" stopColor="#EA580C" />
-              <stop offset="50%" stopColor="#F97316" />
-              <stop offset="100%" stopColor="#FBBF24" />
+              <stop offset="0%" stopColor="#734DFF" />
+              <stop offset="50%" stopColor="#A855F7" />
+              <stop offset="100%" stopColor="#C4B5FD" />
             </linearGradient>
             <linearGradient id="hatGrad" x1="0%" y1="0%" x2="100%" y2="100%">
               <stop offset="0%" stopColor="#FFFFFF" />
@@ -95,7 +95,7 @@ export function EventLogo({ type = "default", className, size = "md" }: EventLog
             fill="url(#hatGrad)"
           />
           {/* Hat Ribbon / Code Bar */}
-          <rect x="30" y="66" width="40" height="12" rx="4" fill="#EA580C" />
+          <rect x="30" y="66" width="40" height="12" rx="4" fill="#734DFF" />
           <path d="M38 72 L43 72 M48 72 L58 72" stroke="#FFFFFF" strokeWidth="3" strokeLinecap="round" />
 
           {/* Central Coding Flame */}
@@ -105,8 +105,8 @@ export function EventLogo({ type = "default", className, size = "md" }: EventLog
           />
 
           {/* Sparkles */}
-          <path d="M18 40 L20 43 L23 45 L20 47 L18 50 L16 47 L13 45 L16 43 Z" fill="#FBBF24" />
-          <path d="M80 34 L81.5 36.5 L84 38 L81.5 39.5 L80 42 L78.5 39.5 L76 38 L78.5 36.5 Z" fill="#F97316" />
+          <path d="M18 40 L20 43 L23 45 L20 47 L18 50 L16 47 L13 45 L16 43 Z" fill="#C4B5FD" />
+          <path d="M80 34 L81.5 36.5 L84 38 L81.5 39.5 L80 42 L78.5 39.5 L76 38 L78.5 36.5 Z" fill="#A855F7" />
         </svg>
       </div>
     );
diff --git a/src/components/ui/banners/bannerDismiss.tsx b/src/components/ui/banners/bannerDismiss.tsx
index f75808c4..244771b3 100644
--- a/src/components/ui/banners/bannerDismiss.tsx
+++ b/src/components/ui/banners/bannerDismiss.tsx
@@ -15,10 +15,10 @@ interface BannerProps {
 
 export default function Banner({
   bannerId,
-  bgColor = "#fef3c7",
-  textColor = "#5a3000",
-  iconColor = "#d97706",
-  accentColor = "#78350f",
+  bgColor = "#EFEAFF",
+  textColor = "#120B24",
+  iconColor = "#562EE7",
+  accentColor = "#562EE7",
   message,
   title,
 }: BannerProps) {
diff --git a/src/config/events.ts b/src/config/events.ts
index 4172d9e8..6c29bab6 100644
--- a/src/config/events.ts
+++ b/src/config/events.ts
@@ -34,7 +34,7 @@ export const EVENTS: EventData[] = [
     tagline: "Largest Competitive Coding Contest",
     description: "Test your algorithmic problem solving skills against top coders. Win prizes, certificates, and glory at Gravitas !",
     badge: "CookOff 11",
-    accent: "amber",
+    accent: "purple",
     registrationUrl: "https://gravitas.vit.ac.in/events/0629102b-cc5f-4992-8921-2e55df1cb2f8",
     landingPageUrl: "https://gravitas.codechefvit.com/",
     dates: "Gravitas '26",