diff --git a/app/page.tsx b/app/page.tsx
index 1af26c8..6d010bf 100644
--- a/app/page.tsx
+++ b/app/page.tsx
@@ -124,7 +124,7 @@ export default function HomePage() {
                 Vue d'ensemble de vos compétences
               </h3>
               <p className="text-slate-400 text-sm">
-                Graphique radar représentant votre niveau moyen par catégorie
+                Radar chart représentant votre niveau par catégorie
               </p>
             </div>
             <div className="h-80">
@@ -155,8 +155,8 @@ export default function HomePage() {
                 const currentSkillCategory = skillCategories.find(
                   (sc) => sc.category === category.category
                 );
-                const CategoryIcon = currentSkillCategory 
-                  ? getCategoryIcon(currentSkillCategory.icon) 
+                const CategoryIcon = currentSkillCategory
+                  ? getCategoryIcon(currentSkillCategory.icon)
                   : null;
 
                 return (
diff --git a/components/radar-chart.tsx b/components/radar-chart.tsx
index 4edfa8e..bb16955 100644
--- a/components/radar-chart.tsx
+++ b/components/radar-chart.tsx
@@ -15,9 +15,13 @@ interface SkillsRadarChartProps {
 }
 
 export function SkillsRadarChart({ data }: SkillsRadarChartProps) {
-  // Transform data for the chart
+  // Transform data for the chart with abbreviated labels
   const chartData = data.map((item) => ({
     category: item.category,
+    shortLabel:
+      item.category.length > 8
+        ? item.category.substring(0, 8) + "..."
+        : item.category,
     score: item.score,
     maxScore: item.maxScore,
   }));
@@ -31,34 +35,105 @@ export function SkillsRadarChart({ data }: SkillsRadarChartProps) {
   }
 
   return (
-    <div className="w-full h-[400px]">
+    <div className="w-full h-[400px] relative">
       <ResponsiveContainer width="100%" height="100%">
         <RadarChart
           data={chartData}
-          margin={{ top: 20, right: 30, bottom: 20, left: 30 }}
+          margin={{ top: 40, right: 60, bottom: 40, left: 60 }}
         >
-          <PolarGrid gridType="polygon" />
-          <PolarAngleAxis
-            dataKey="category"
-            tick={{ fontSize: 12, fill: "hsl(var(--foreground))" }}
-            className="text-xs"
+          {/* Grid with better visibility */}
+          <PolarGrid
+            gridType="polygon"
+            stroke="rgba(255, 255, 255, 0.2)"
+            strokeWidth={1}
           />
+
+          {/* Category labels with better positioning */}
+          <PolarAngleAxis
+            dataKey="shortLabel"
+            tick={{
+              fontSize: 13,
+              fill: "rgba(255, 255, 255, 0.9)",
+              fontWeight: 500,
+            }}
+            tickFormatter={(value, index) => {
+              return chartData[index]?.category || value;
+            }}
+          />
+
+          {/* Radial axis with custom ticks */}
           <PolarRadiusAxis
             angle={90}
             domain={[0, 3]}
-            tick={{ fontSize: 10, fill: "hsl(var(--muted-foreground))" }}
+            tick={{
+              fontSize: 11,
+              fill: "rgba(255, 255, 255, 0.6)",
+              fontWeight: 400,
+            }}
             tickCount={4}
+            tickFormatter={(value) => {
+              if (value === 0) return "";
+              if (value === 1) return "Débutant";
+              if (value === 2) return "Autonome";
+              if (value === 3) return "Expert";
+              return value.toString();
+            }}
           />
+
+          {/* Main radar area with gradient */}
           <Radar
             name="Niveau"
             dataKey="score"
-            stroke="hsl(var(--primary))"
-            fill="hsl(var(--primary))"
-            fillOpacity={0.2}
-            strokeWidth={2}
+            stroke="#3b82f6"
+            fill="url(#radarGradient)"
+            fillOpacity={0.3}
+            strokeWidth={3}
+            dot={{
+              fill: "#3b82f6",
+              strokeWidth: 2,
+              stroke: "#ffffff",
+              r: 6,
+            }}
           />
+
+          {/* Background reference radar for max score */}
+          <Radar
+            name="Maximum"
+            dataKey="maxScore"
+            stroke="rgba(255, 255, 255, 0.2)"
+            fill="transparent"
+            strokeWidth={1}
+            strokeDasharray="5 5"
+            dot={false}
+          />
+
+          {/* Gradient definition */}
+          <defs>
+            <linearGradient
+              id="radarGradient"
+              x1="0%"
+              y1="0%"
+              x2="100%"
+              y2="100%"
+            >
+              <stop offset="0%" stopColor="#3b82f6" stopOpacity={0.4} />
+              <stop offset="100%" stopColor="#1d4ed8" stopOpacity={0.1} />
+            </linearGradient>
+          </defs>
         </RadarChart>
       </ResponsiveContainer>
+
+      {/* Legend */}
+      <div className="absolute bottom-2 right-2 text-xs text-slate-400 space-y-1">
+        <div className="flex items-center gap-2">
+          <div className="w-3 h-0.5 bg-blue-500"></div>
+          <span>Votre niveau</span>
+        </div>
+        <div className="flex items-center gap-2">
+          <div className="w-3 h-0.5 border-t border-dashed border-white/40"></div>
+          <span>Maximum</span>
+        </div>
+      </div>
     </div>
   );
 }
diff --git a/data/skills/backend.json b/data/skills/backend.json
index 23e98c8..a82633b 100644
--- a/data/skills/backend.json
+++ b/data/skills/backend.json
@@ -66,28 +66,19 @@
       "id": "golang",
       "name": "Go",
       "description": "Langage de programmation développé par Google",
-      "links": [
-        "https://golang.org/",
-        "https://golang.org/doc/"
-      ]
+      "links": ["https://golang.org/", "https://golang.org/doc/"]
     },
     {
       "id": "rust",
       "name": "Rust",
       "description": "Langage de programmation système sûr et performant",
-      "links": [
-        "https://www.rust-lang.org/",
-        "https://doc.rust-lang.org/"
-      ]
+      "links": ["https://www.rust-lang.org/", "https://doc.rust-lang.org/"]
     },
     {
       "id": "java-spring",
       "name": "Java Spring",
       "description": "Framework Java pour applications d'entreprise",
-      "links": [
-        "https://spring.io/",
-        "https://docs.spring.io/"
-      ]
+      "links": ["https://spring.io/", "https://docs.spring.io/"]
     },
     {
       "id": "csharp-dotnet",
@@ -102,64 +93,43 @@
       "id": "php-laravel",
       "name": "PHP Laravel",
       "description": "Framework PHP moderne pour applications web",
-      "links": [
-        "https://laravel.com/",
-        "https://laravel.com/docs"
-      ]
+      "links": ["https://laravel.com/", "https://laravel.com/docs"]
     },
     {
       "id": "ruby-rails",
       "name": "Ruby on Rails",
       "description": "Framework web en Ruby",
-      "links": [
-        "https://rubyonrails.org/",
-        "https://guides.rubyonrails.org/"
-      ]
+      "links": ["https://rubyonrails.org/", "https://guides.rubyonrails.org/"]
     },
     {
       "id": "graphql",
       "name": "GraphQL",
       "description": "Langage de requête pour APIs",
-      "links": [
-        "https://graphql.org/",
-        "https://graphql.org/learn/"
-      ]
+      "links": ["https://graphql.org/", "https://graphql.org/learn/"]
     },
     {
       "id": "prisma",
       "name": "Prisma",
       "description": "ORM moderne pour Node.js et TypeScript",
-      "links": [
-        "https://www.prisma.io/",
-        "https://www.prisma.io/docs"
-      ]
+      "links": ["https://www.prisma.io/", "https://www.prisma.io/docs"]
     },
     {
       "id": "trpc",
       "name": "tRPC",
       "description": "Framework TypeScript pour APIs type-safe",
-      "links": [
-        "https://trpc.io/",
-        "https://trpc.io/docs"
-      ]
+      "links": ["https://trpc.io/", "https://trpc.io/docs"]
     },
     {
       "id": "nest-js",
       "name": "NestJS",
       "description": "Framework Node.js pour applications scalables",
-      "links": [
-        "https://nestjs.com/",
-        "https://docs.nestjs.com/"
-      ]
+      "links": ["https://nestjs.com/", "https://docs.nestjs.com/"]
     },
     {
       "id": "fastify",
       "name": "Fastify",
       "description": "Framework web rapide pour Node.js",
-      "links": [
-        "https://www.fastify.io/",
-        "https://www.fastify.io/docs/"
-      ]
+      "links": ["https://www.fastify.io/", "https://www.fastify.io/docs/"]
     },
     {
       "id": "rabbitmq",
diff --git a/data/skills/cloud.json b/data/skills/cloud.json
index 04915d4..a37ab02 100644
--- a/data/skills/cloud.json
+++ b/data/skills/cloud.json
@@ -6,10 +6,7 @@
       "id": "aws",
       "name": "Amazon Web Services",
       "description": "Plateforme de services cloud d'Amazon",
-      "links": [
-        "https://aws.amazon.com/",
-        "https://docs.aws.amazon.com/"
-      ]
+      "links": ["https://aws.amazon.com/", "https://docs.aws.amazon.com/"]
     },
     {
       "id": "azure",
@@ -24,10 +21,7 @@
       "id": "gcp",
       "name": "Google Cloud Platform",
       "description": "Services cloud de Google",
-      "links": [
-        "https://cloud.google.com/",
-        "https://cloud.google.com/docs"
-      ]
+      "links": ["https://cloud.google.com/", "https://cloud.google.com/docs"]
     },
     {
       "id": "terraform",
@@ -69,10 +63,7 @@
       "id": "s3",
       "name": "Amazon S3",
       "description": "Service de stockage d'objets d'AWS",
-      "links": [
-        "https://aws.amazon.com/s3/",
-        "https://docs.aws.amazon.com/s3/"
-      ]
+      "links": ["https://aws.amazon.com/s3/", "https://docs.aws.amazon.com/s3/"]
     },
     {
       "id": "ec2",
diff --git a/data/skills/devops.json b/data/skills/devops.json
index fd5ae1d..0dcf0bb 100644
--- a/data/skills/devops.json
+++ b/data/skills/devops.json
@@ -66,19 +66,13 @@
       "id": "ansible",
       "name": "Ansible",
       "description": "Outil d'automatisation IT et de gestion de configuration",
-      "links": [
-        "https://www.ansible.com/",
-        "https://docs.ansible.com/"
-      ]
+      "links": ["https://www.ansible.com/", "https://docs.ansible.com/"]
     },
     {
       "id": "jenkins",
       "name": "Jenkins",
       "description": "Serveur d'automatisation open source",
-      "links": [
-        "https://www.jenkins.io/",
-        "https://www.jenkins.io/doc/"
-      ]
+      "links": ["https://www.jenkins.io/", "https://www.jenkins.io/doc/"]
     },
     {
       "id": "gitlab-ci",
@@ -93,19 +87,13 @@
       "id": "prometheus",
       "name": "Prometheus",
       "description": "Système de monitoring et d'alerting",
-      "links": [
-        "https://prometheus.io/",
-        "https://prometheus.io/docs/"
-      ]
+      "links": ["https://prometheus.io/", "https://prometheus.io/docs/"]
     },
     {
       "id": "grafana",
       "name": "Grafana",
       "description": "Plateforme de visualisation et monitoring",
-      "links": [
-        "https://grafana.com/",
-        "https://grafana.com/docs/"
-      ]
+      "links": ["https://grafana.com/", "https://grafana.com/docs/"]
     },
     {
       "id": "elk-stack",
@@ -120,46 +108,31 @@
       "id": "nginx",
       "name": "Nginx",
       "description": "Serveur web et proxy inverse",
-      "links": [
-        "https://nginx.org/",
-        "https://nginx.org/en/docs/"
-      ]
+      "links": ["https://nginx.org/", "https://nginx.org/en/docs/"]
     },
     {
       "id": "apache",
       "name": "Apache HTTP Server",
       "description": "Serveur web open source",
-      "links": [
-        "https://httpd.apache.org/",
-        "https://httpd.apache.org/docs/"
-      ]
+      "links": ["https://httpd.apache.org/", "https://httpd.apache.org/docs/"]
     },
     {
       "id": "traefik",
       "name": "Traefik",
       "description": "Proxy inverse moderne et load balancer",
-      "links": [
-        "https://traefik.io/",
-        "https://doc.traefik.io/"
-      ]
+      "links": ["https://traefik.io/", "https://doc.traefik.io/"]
     },
     {
       "id": "helm",
       "name": "Helm",
       "description": "Gestionnaire de packages pour Kubernetes",
-      "links": [
-        "https://helm.sh/",
-        "https://helm.sh/docs/"
-      ]
+      "links": ["https://helm.sh/", "https://helm.sh/docs/"]
     },
     {
       "id": "istio",
       "name": "Istio",
       "description": "Service mesh pour microservices",
-      "links": [
-        "https://istio.io/",
-        "https://istio.io/latest/docs/"
-      ]
+      "links": ["https://istio.io/", "https://istio.io/latest/docs/"]
     },
     {
       "id": "vault",
@@ -174,10 +147,7 @@
       "id": "consul",
       "name": "HashiCorp Consul",
       "description": "Service discovery et configuration",
-      "links": [
-        "https://www.consul.io/",
-        "https://learn.hashicorp.com/consul"
-      ]
+      "links": ["https://www.consul.io/", "https://learn.hashicorp.com/consul"]
     },
     {
       "id": "nomad",