diff --git a/src/components/layout/NavBar.svelte b/src/components/layout/NavBar.svelte
index 9e91414..bc37433 100644
--- a/src/components/layout/NavBar.svelte
+++ b/src/components/layout/NavBar.svelte
@@ -1,19 +1,40 @@
 <script>
 	import NavButton from './NavButton.svelte';
+	import NavExpansion from './NavExpansion.svelte';
+	import NavMobileExpansion from './NavMobileExpansion.svelte';
 	import ECSESS from 'assets/ECSESS.png';
 	import { Menu } from '@lucide/svelte';
 	import { slide } from 'svelte/transition';
+
 	let menuHidden = $state(true);
 
+	const teamItems = [
+		{ href: '/socialcom', label: 'Social Committee' },
+		{ href: '/externalcom', label: 'External Committee' },
+		{ href: '/devteam', label: 'Dev Team' },
+		{ href: '/bits', label: 'ECSESS Bits' }
+	];
+
+	const sponsorItems = [
+		{ href: '/sponsor', label: 'Package' },
+		{ href: '/sponsorCal', label: 'Sponsor Calculator' }
+	];
+
+	const resourcesItems = [
+		{ href: '/information', label: 'ECSESS Information' },
+		{ href: '/academic', label: 'Academic' },
+		{ href: '/resources', label: 'Extra Resources' }
+	];
+
 	const announcementIntro = 'ECSESS Election: Voting period is happening! Vote now: ';
 	const announcementLinkUrl = 'https://ssmu.simplyvoting.com';
 	const announcementLinkText = 'ssmu.simplyvoting.com';
 </script>
 
 <div class="sticky top-0 z-40 w-full">
-	<nav class="bg-ecsess-black text-ecsess-100 w-full py-1">
+	<nav class="bg-ecsess-black text-ecsess-100 relative w-full py-1">
 		<!-- Small screens -->
-		<div class="block md:hidden">
+		<div class="block lg:hidden">
 			<div class="mx-4 flex items-center-safe justify-between">
 				<a href="/">
 					<img src={ECSESS} alt="ECSESS Logo" class="w-20 p-2" />
@@ -22,9 +43,7 @@
 				<button
 					type="button"
 					class="bg-ecsess-black-hover hover:bg-ecsess-800 active:bg-ecsess-900 grid size-10 place-items-center rounded-md transition-colors ease-in-out"
-					onclick={() => {
-						menuHidden = !menuHidden;
-					}}
+					onclick={() => { menuHidden = !menuHidden; }}
 				>
 					<Menu class="size-6 transition-transform duration-300 ease-in-out" />
 				</button>
@@ -35,31 +54,32 @@
 					class="bg-ecsess-900 border-ecsess-700 mx-2 mb-2 flex w-auto flex-col gap-1 rounded-lg border-2 px-2 py-2 shadow-lg"
 					transition:slide
 				>
-					<NavButton href="/">Home</NavButton>
-					<NavButton href="/council">Meet the council</NavButton>
 					<NavButton href="/events">Events</NavButton>
-					<NavButton href="/resources">Resources</NavButton>
-					<NavButton href="/devteam">Dev Team</NavButton>
+					<NavButton href="/council">Meet the Council</NavButton>
 					<NavButton href="/join">Join ECSESS</NavButton>
+					<NavMobileExpansion label="SubTeam" items={teamItems} />
+					<NavMobileExpansion label="Sponsor" items={sponsorItems} />
+					<NavMobileExpansion label="Resources" items={resourcesItems} />
 				</div>
 			{/if}
 		</div>
 
 		<!-- Medium and larger screens -->
-		<div class="hidden md:block">
+		<div class="hidden lg:block">
 			<div class="flex place-content-center items-end">
 				<a href="/">
 					<img src={ECSESS} alt="ECSESS Logo" class="h-12 p-2" />
 				</a>
-				<NavButton href="/">Home</NavButton>
-				<NavButton href="/council">Meet the council</NavButton>
 				<NavButton href="/events">Events</NavButton>
-				<NavButton href="/resources">Resources</NavButton>
-				<NavButton href="/devteam">Dev Team</NavButton>
+				<NavButton href="/council">Meet the Council</NavButton>
+				<NavExpansion label="SubTeam" items={teamItems} />
 				<NavButton href="/join">Join ECSESS</NavButton>
+				<NavExpansion label="Sponsor" items={sponsorItems} />
+				<NavExpansion label="Resources" items={resourcesItems} />
 			</div>
 		</div>
 	</nav>
+
 	<!-- Small announcement underneath navbar -->
 	<div class="border-ecsess-black bg-ecsess-800 border-b px-4 py-2 shadow-sm" role="alert">
 		<p class="text-ecsess-100 text-center text-sm font-medium md:text-base">
diff --git a/src/components/layout/NavExpansion.svelte b/src/components/layout/NavExpansion.svelte
new file mode 100644
index 0000000..22841f6
--- /dev/null
+++ b/src/components/layout/NavExpansion.svelte
@@ -0,0 +1,59 @@
+<script lang="ts">
+	import { page } from '$app/state';
+	import { ChevronDown } from '@lucide/svelte';
+	import { fly } from 'svelte/transition';
+
+	interface NavItem {
+		href: string;
+		label: string;
+	}
+
+	let { label, items }: { label: string; items: NavItem[] } = $props();
+
+	let open = $state(false);
+	let containerEl = $state<HTMLDivElement | null>(null);
+
+	const isActive = $derived(items.some((item: NavItem) => page.url.pathname === item.href));
+
+	function handleOutsideClick(e: MouseEvent) {
+		if (containerEl && !containerEl.contains(e.target as Node)) {
+			open = false;
+		}
+	}
+</script>
+
+<svelte:document onclick={handleOutsideClick} />
+
+<div class="mx-1" bind:this={containerEl}>
+	<button
+		type="button"
+		onclick={() => (open = !open)}
+		class="hover:text-ecsess-100 hover:border-ecsess-100 text-ecsess-200 active:text-ecsess-500 active:border-ecsess-500
+			mx-0.5 flex items-center gap-1 rounded-none border-b-4 px-6 py-2 font-semibold
+			transition-all hover:cursor-pointer active:scale-99
+			{isActive ? 'border-ecsess-300' : 'border-transparent'}"
+	>
+		{label}
+		<ChevronDown
+			class="size-4 transition-transform duration-200 ease-in-out {open ? 'rotate-180' : ''}"
+		/>
+	</button>
+
+	{#if open}
+		<div
+			class="bg-ecsess-900 border-ecsess-700 absolute top-full left-0 right-0 z-50 flex w-full justify-center gap-2 border-y-2 px-8 py-3 shadow-lg"
+			transition:fly={{ y: -6, duration: 150 }}
+		>
+			{#each items as item}
+				<a
+					href={item.href}
+					onclick={() => (open = false)}
+					class="hover:bg-ecsess-800 text-ecsess-200 hover:text-ecsess-100 rounded-md px-6 py-2.5 text-sm font-semibold transition-colors
+						{page.url.pathname === item.href ? 'text-ecsess-100 bg-ecsess-800' : ''}"
+				>
+					{item.label}
+				</a>
+			{/each}
+		</div>
+	{/if}
+</div>
diff --git a/src/components/layout/NavMobileExpansion.svelte b/src/components/layout/NavMobileExpansion.svelte
new file mode 100644
index 0000000..be5e1f5
--- /dev/null
+++ b/src/components/layout/NavMobileExpansion.svelte
@@ -0,0 +1,33 @@
+<script lang="ts">
+	import NavButton from './NavButton.svelte';
+	import { ChevronDown } from '@lucide/svelte';
+	import { slide } from 'svelte/transition';
+
+	interface NavItem {
+		href: string;
+		label: string;
+	}
+
+	let { label, items }: { label: string; items: NavItem[] } = $props();
+
+	let open = $state(false);
+</script>
+
+<button
+	type="button"
+	class="hover:text-ecsess-100 hover:bg-ecsess-800 text-ecsess-200 flex w-full items-center justify-center rounded-md px-6 py-2 font-semibold transition-colors hover:cursor-pointer"
+	onclick={() => (open = !open)}
+>
+	{label}
+	<ChevronDown
+		class="size-4 transition-transform duration-200 ease-in-out {open ? 'rotate-180' : ''}"
+	/>
+</button>
+
+{#if open}
+	<div class="border-ecsess-700 ml-3 flex flex-col gap-1 border-l-2 pl-2" transition:slide>
+		{#each items as item}
+			<NavButton href={item.href}>{item.label}</NavButton>
+		{/each}
+	</div>
+{/if}