diff --git a/src/app/page.tsx b/src/app/page.tsx
index 340e5a6..ffa065a 100644
--- a/src/app/page.tsx
+++ b/src/app/page.tsx
@@ -442,6 +442,7 @@ export default function Home() {
                     <button
                       key={module.id}
                       onClick={() => setActiveModule(index)}
+                      onMouseEnter={() => setActiveModule(index)}
                       className={`flex items-center gap-3 lg:gap-4 px-5 py-4 lg:px-6 lg:py-5 rounded-2xl border-2 transition-all text-left whitespace-nowrap lg:whitespace-normal snap-center flex-shrink-0 lg:flex-shrink-1 w-auto lg:w-full ${activeModule === index
                         ? 'bg-rose-50 border-rose-200 text-rose-600 shadow-sm'
                         : 'bg-white border-slate-100 text-slate-500 hover:bg-slate-50'
@@ -454,70 +455,86 @@ export default function Home() {
                     </button>
                   ))}
                 </div>
-              </div>
 
-              {/* Main Display (Active Module) */}
-              <div className="flex-1 w-full animate-fade-in">
-                <div className="bg-slate-50 rounded-[3rem] p-8 lg:p-12 border border-slate-100 relative overflow-hidden flex flex-col lg:flex-row gap-12 items-center min-h-[500px]">
-                  {/* Content */}
-                  <div className="flex-1 relative z-10 text-center lg:text-left">
-                    <div className="inline-flex p-3 rounded-2xl bg-white shadow-sm text-rose-600 mb-6 font-bold gap-2 items-center">
-                      <span className="material-symbols-outlined">{modules[activeModule].icon}</span>
-                      <span className="text-xs uppercase tracking-wider">{modules[activeModule].title}</span>
-                    </div>
-                    <h3 className="text-2xl lg:text-4xl font-black text-slate-900 mb-6 leading-tight">
-                      {modules[activeModule].title}
-                    </h3>
-                    <p className="text-slate-600 text-lg leading-relaxed mb-8">
+                {/* Active module description – desktop only */}
+                <div className="hidden lg:block mt-6">
+                  <div className="p-6 bg-slate-50 rounded-2xl border border-slate-100">
+                    <p className="text-slate-600 text-sm leading-relaxed mb-4">
                       {modules[activeModule].description}
                     </p>
-                    <div className="p-6 bg-rose-600/5 border border-rose-100 rounded-2xl">
-                      <p className="text-rose-600 font-bold text-sm flex items-center gap-2">
-                        <span className="material-symbols-outlined text-base">verified</span>
-                        Valeur ajoutée : {modules[activeModule].value}
-                      </p>
-                    </div>
+                    <p className="text-rose-600 font-bold text-xs flex items-start gap-2">
+                      <span className="material-symbols-outlined text-sm shrink-0 mt-0.5">verified</span>
+                      {modules[activeModule].value}
+                    </p>
                   </div>
+                </div>
+              </div>
 
-                  {/* Mockup Showcase */}
-                  <div className="w-full lg:w-[320px] flex-shrink-0 relative">
-                    <div className="relative mx-auto w-[240px] h-[500px] bg-slate-900 rounded-[3rem] border-[8px] border-slate-800 shadow-2xl overflow-hidden">
-                      {/* Notch */}
-                      <div className="absolute top-0 left-1/2 -translate-x-1/2 w-28 h-6 bg-slate-800 rounded-b-2xl z-20"></div>
+              {/* Stacked phone gallery */}
+              <div className="flex-1 flex items-start justify-center">
+                <div className="relative" style={{ width: '280px', height: '560px' }}>
+                  {modules.map((module, index) => {
+                    const deckPos = (index - activeModule + modules.length) % modules.length;
+                    const isActive = deckPos === 0;
+                    const showCard = deckPos <= 3;
 
-                      {/* Content Area (Simulated Screen) */}
-                      <div className="absolute inset-[2px] bg-white rounded-[2.25rem] overflow-hidden">
-                        {/* Simulation of App UI */}
-                        <div className="h-full flex flex-col pt-8">
-                          <header className="h-14 border-b border-slate-100 flex items-center px-4 bg-white/80 backdrop-blur-sm sticky top-0 z-10">
-                            <div className="w-8 h-8 rounded-lg bg-rose-100 flex items-center justify-center text-rose-600">
-                              <span className="material-symbols-outlined text-lg">{modules[activeModule].icon}</span>
-                            </div>
-                            <span className="ml-3 font-bold text-xs text-slate-900 truncate">{modules[activeModule].title}</span>
-                          </header>
-                          <div className="p-4 flex-1 space-y-4">
-                            <div className="h-40 rounded-2xl bg-slate-100 flex items-center justify-center relative overflow-hidden">
-                              <span className="material-symbols-outlined text-5xl text-slate-300">{modules[activeModule].icon}</span>
-                              <div className="absolute inset-0 bg-gradient-to-tr from-rose-500/10 to-transparent"></div>
-                            </div>
-                            <div className="h-3 w-full bg-slate-100 rounded-full"></div>
-                            <div className="h-3 w-2/3 bg-slate-100 rounded-full"></div>
-                            <div className="h-20 w-full bg-slate-50 border border-slate-100 rounded-xl p-3 flex gap-3">
-                              <div className="w-10 h-10 rounded-lg bg-rose-200 shrink-0"></div>
-                              <div className="space-y-2 flex-1">
-                                <div className="h-2 w-full bg-slate-200 rounded-full"></div>
-                                <div className="h-2 w-1/2 bg-slate-200 rounded-full"></div>
+                    return (
+                      <div
+                        key={module.id}
+                        style={{
+                          position: 'absolute',
+                          top: 0,
+                          left: '50%',
+                          transform: showCard
+                            ? `translateX(-50%) translateY(${deckPos * 18}px) scale(${1 - deckPos * 0.055})`
+                            : 'translateX(-50%) translateY(80px) scale(0.77)',
+                          zIndex: showCard ? 10 - deckPos : 0,
+                          opacity: showCard ? (isActive ? 1 : 0.85 - deckPos * 0.2) : 0,
+                          transition: 'transform 0.45s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.45s cubic-bezier(0.4, 0, 0.2, 1)',
+                        }}
+                      >
+                        <div className={`relative w-[240px] h-[500px] rounded-[3rem] border-[8px] overflow-hidden transition-colors duration-300 ${
+                          isActive
+                            ? 'bg-slate-900 border-slate-800 shadow-2xl shadow-rose-500/20'
+                            : 'bg-slate-800 border-slate-700 shadow-xl shadow-slate-900/20'
+                        }`}>
+                          {/* Notch */}
+                          <div className="absolute top-0 left-1/2 -translate-x-1/2 w-28 h-6 bg-slate-800 rounded-b-2xl z-20"></div>
+
+                          {/* Screen */}
+                          <div className="absolute inset-[2px] bg-white rounded-[2.25rem] overflow-hidden">
+                            <div className="h-full flex flex-col pt-8">
+                              <header className="h-14 border-b border-slate-100 flex items-center px-4 bg-white/80 backdrop-blur-sm sticky top-0 z-10">
+                                <div className="w-8 h-8 rounded-lg bg-rose-100 flex items-center justify-center text-rose-600">
+                                  <span className="material-symbols-outlined text-lg">{module.icon}</span>
+                                </div>
+                                <span className="ml-3 font-bold text-xs text-slate-900 truncate">{module.title}</span>
+                              </header>
+                              <div className="p-4 flex-1 space-y-4">
+                                <div className="h-40 rounded-2xl bg-slate-100 flex items-center justify-center relative overflow-hidden">
+                                  <span className="material-symbols-outlined text-5xl text-slate-300">{module.icon}</span>
+                                  <div className="absolute inset-0 bg-gradient-to-tr from-rose-500/10 to-transparent"></div>
+                                </div>
+                                <div className="h-3 w-full bg-slate-100 rounded-full"></div>
+                                <div className="h-3 w-2/3 bg-slate-100 rounded-full"></div>
+                                <div className="h-20 w-full bg-slate-50 border border-slate-100 rounded-xl p-3 flex gap-3">
+                                  <div className="w-10 h-10 rounded-lg bg-rose-200 shrink-0"></div>
+                                  <div className="space-y-2 flex-1">
+                                    <div className="h-2 w-full bg-slate-200 rounded-full"></div>
+                                    <div className="h-2 w-1/2 bg-slate-200 rounded-full"></div>
+                                  </div>
+                                </div>
+                                <div className="grid grid-cols-2 gap-3">
+                                  <div className="h-10 bg-slate-100 rounded-xl"></div>
+                                  <div className="h-10 bg-rose-600 rounded-xl"></div>
+                                </div>
                               </div>
                             </div>
-                            <div className="grid grid-cols-2 gap-3">
-                              <div className="h-10 bg-slate-100 rounded-xl"></div>
-                              <div className="h-10 bg-rose-600 rounded-xl"></div>
-                            </div>
                           </div>
                         </div>
                       </div>
-                    </div>
-                  </div>
+                    );
+                  })}
                 </div>
               </div>
             </div>