diff --git a/src/pages/Timeline.tsx b/src/pages/Timeline.tsx
new file mode 100644
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+++ b/src/pages/Timeline.tsx
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+import { Card, CardContent, CardHeader, CardTitle, CardDescription } from "@/components/ui/card";
+import { Badge } from "@/components/ui/badge";
+import { Button } from "@/components/ui/button";
+import { Separator } from "@/components/ui/separator";
+import {
+  CalendarDays, ChevronLeft, ChevronRight, Diamond
+} from "lucide-react";
+import Sidebar from "@/components/Sidebar";
+import Header from "@/components/Header";
+
+const months = ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug"];
+
+const timelineProjects = [
+  {
+    name: "Website Redesign",
+    startMonth: 0,
+    duration: 3,
+    color: "bg-violet-500",
+    lightColor: "bg-violet-100",
+    phase: "Complete",
+    milestones: [{ month: 2, label: "v1.0 Launch" }],
+  },
+  {
+    name: "Mobile App",
+    startMonth: 1,
+    duration: 5,
+    color: "bg-indigo-500",
+    lightColor: "bg-indigo-100",
+    phase: "In Progress",
+    milestones: [{ month: 3, label: "Beta Release" }, { month: 5, label: "GA Launch" }],
+  },
+  {
+    name: "Security Audit",
+    startMonth: 3,
+    duration: 3,
+    color: "bg-amber-500",
+    lightColor: "bg-amber-100",
+    phase: "In Progress",
+    milestones: [{ month: 5, label: "Audit Complete" }],
+  },
+  {
+    name: "Design System",
+    startMonth: 4,
+    duration: 4,
+    color: "bg-emerald-500",
+    lightColor: "bg-emerald-100",
+    phase: "Planning",
+    milestones: [{ month: 6, label: "Alpha Build" }],
+  },
+];
+
+const phaseColors: Record<string, string> = {
+  "Planning": "bg-blue-100 text-blue-700",
+  "In Progress": "bg-violet-100 text-violet-700",
+  "Review": "bg-amber-100 text-amber-700",
+  "Complete": "bg-emerald-100 text-emerald-700",
+};
+
+export default function TimelinePage() {
+  const totalMonths = months.length;
+
+  return (
+    <div className="flex min-h-screen bg-slate-50">
+      <Sidebar activePath="/timeline" />
+      <div className="flex-1 lg:ml-64">
+        <Header />
+        <main className="p-6 space-y-6">
+          {/* ── Header ── */}
+          <div className="flex flex-col sm:flex-row items-start sm:items-center justify-between gap-4">
+            <div>
+              <h1 className="text-2xl font-bold text-slate-900 animate-fade-up">Timeline</h1>
+              <p className="text-slate-500 mt-1">Project roadmap and milestone overview</p>
+            </div>
+            <div className="flex items-center gap-2">
+              <Button variant="outline" size="sm"><ChevronLeft className="h-4 w-4" /></Button>
+              <span className="text-sm font-medium text-slate-700 px-2">2026</span>
+              <Button variant="outline" size="sm"><ChevronRight className="h-4 w-4" /></Button>
+            </div>
+          </div>
+
+          {/* ── Legend ── */}
+          <div className="flex flex-wrap items-center gap-4">
+            {Object.entries(phaseColors).map(([phase, color]) => (
+              <div key={phase} className="flex items-center gap-2">
+                <div className={`h-3 w-8 rounded-full \${color.split(" ")[0]}`} />
+                <span className="text-xs text-slate-600">{phase}</span>
+              </div>
+            ))}
+            <div className="flex items-center gap-2">
+              <Diamond className="h-3 w-3 text-slate-700 fill-slate-700" />
+              <span className="text-xs text-slate-600">Milestone</span>
+            </div>
+          </div>
+
+          {/* ── Gantt Chart ── */}
+          <Card className="border-0 shadow-sm overflow-hidden">
+            <CardContent className="p-0">
+              <div className="overflow-x-auto">
+                <div className="min-w-[700px]">
+                  {/* Month Headers */}
+                  <div className="flex border-b border-slate-100">
+                    <div className="w-48 shrink-0 p-4 font-medium text-sm text-slate-500 border-r border-slate-100">Project</div>
+                    <div className="flex-1 flex">
+                      {months.map((month, i) => (
+                        <div key={month} className={`flex-1 p-3 text-center text-xs font-medium border-r border-slate-50 \${i === 3 ? "bg-violet-50/50 text-violet-700" : "text-slate-400"}`}>
+                          {month} 2026
+                        </div>
+                      ))}
+                    </div>
+                  </div>
+
+                  {/* Project Rows */}
+                  {timelineProjects.map((project, idx) => (
+                    <div key={idx} className="flex border-b border-slate-50 hover:bg-slate-50/50 transition-colors">
+                      <div className="w-48 shrink-0 p-4 border-r border-slate-100">
+                        <p className="text-sm font-medium text-slate-900">{project.name}</p>
+                        <Badge className={`\${phaseColors[project.phase]} text-[10px] font-medium border-0 mt-1`}>{project.phase}</Badge>
+                      </div>
+                      <div className="flex-1 flex items-center relative py-4">
+                        {/* Background grid */}
+                        {months.map((_, i) => (
+                          <div key={i} className={`flex-1 border-r border-slate-50 h-full absolute top-0 \${i === 3 ? "bg-violet-50/30" : ""}`} style={{ left: `\${(i / totalMonths) * 100}%`, width: `\${100 / totalMonths}%` }} />
+                        ))}
+                        {/* Bar */}
+                        <div
+                          className={`absolute h-8 rounded-full \${project.color} opacity-90 shadow-sm flex items-center justify-center animate-fade-up`}
+                          style={{
+                            left: `\${(project.startMonth / totalMonths) * 100}%`,
+                            width: `\${(project.duration / totalMonths) * 100}%`,
+                          }}
+                        >
+                          <span className="text-[10px] font-medium text-white truncate px-3">{project.name}</span>
+                        </div>
+                        {/* Milestones */}
+                        {project.milestones.map((ms, mi) => (
+                          <div key={mi} className="absolute top-1/2 -translate-y-1/2 z-10" style={{ left: `\${((ms.month + 0.5) / totalMonths) * 100}%` }}>
+                            <div className="relative group">
+                              <Diamond className="h-4 w-4 text-slate-700 fill-slate-700" />
+                              <div className="absolute bottom-full left-1/2 -translate-x-1/2 mb-1 hidden group-hover:block">
+                                <div className="bg-slate-900 text-white text-[10px] px-2 py-1 rounded whitespace-nowrap">{ms.label}</div>
+                              </div>
+                            </div>
+                          </div>
+                        ))}
+                      </div>
+                    </div>
+                  ))}
+                </div>
+              </div>
+            </CardContent>
+          </Card>
+
+          {/* ── Upcoming Milestones ── */}
+          <Card className="border-0 shadow-sm">
+            <CardHeader>
+              <CardTitle className="text-lg font-semibold text-slate-900">Upcoming Milestones</CardTitle>
+              <CardDescription>Key dates and deliverables across all projects</CardDescription>
+            </CardHeader>
+            <CardContent className="space-y-3">
+              {timelineProjects.flatMap(p => p.milestones.map(ms => ({ project: p.name, ...ms, color: p.color }))).sort((a, b) => a.month - b.month).map((ms, i) => (
+                <div key={i} className="flex items-center gap-3 p-3 rounded-lg hover:bg-slate-50 transition-colors">
+                  <div className={`h-8 w-8 rounded-lg \${ms.color} flex items-center justify-center`}>
+                    <Diamond className="h-4 w-4 text-white fill-white" />
+                  </div>
+                  <div className="flex-1">
+                    <p className="text-sm font-medium text-slate-900">{ms.label}</p>
+                    <p className="text-xs text-slate-500">{ms.project}</p>
+                  </div>
+                  <Badge variant="outline" className="text-xs">
+                    <CalendarDays className="mr-1 h-3 w-3" />
+                    {months[ms.month]} 2026
+                  </Badge>
+                </div>
+              ))}
+            </CardContent>
+          </Card>
+        </main>
+      </div>
+    </div>
+  );
+}