From c3aa5d1e4f4dde330cf04e3898a0411410c1c1e9 Mon Sep 17 00:00:00 2001
From: alessanacunaguardia <alessan.acunaguardia@gmail.com>
Date: Thu, 16 Oct 2025 22:46:56 +0200
Subject: [PATCH] Check

---
 index.html                                    | 250 +++++++++++-------
 .../design_space.png                          | Bin
 .../femresults.png}                           | Bin
 .../finaldesign.png                           | Bin
 .../report.pdf                                | Bin
 .../topology_outputs.png                      | Bin
 6 files changed, 148 insertions(+), 102 deletions(-)
 rename res/projects/{handlebar => handlebar-bracket}/design_space.png (100%)
 rename res/projects/{handlebar/femcomparison.png => handlebar-bracket/femresults.png} (100%)
 rename res/projects/{handlebar => handlebar-bracket}/finaldesign.png (100%)
 rename res/projects/{handlebar => handlebar-bracket}/report.pdf (100%)
 rename res/projects/{handlebar => handlebar-bracket}/topology_outputs.png (100%)

diff --git a/index.html b/index.html
index fc28a8e..a49a8d8 100644
--- a/index.html
+++ b/index.html
@@ -5,11 +5,19 @@
   <meta name="viewport" content="width=device-width, initial-scale=1" />
   <title>Alessandro Acuna - Structural Engineer</title>
   <meta name="description" content="Portfolio & CV of Alessandro Acuna, Structural Engineer specialized in composites, CAD, and FEA." />
+
+  <!-- Canonical + Social -->
+  <link rel="canonical" href="https://yourdomain.tld/">
   <meta property="og:title" content="Alessandro Acuna - Structural Engineer" />
   <meta property="og:description" content="Portfolio & CV of Alessandro Acuna, Structural Engineer specialized in composites, CAD, and FEA." />
   <meta property="og:type" content="website" />
+  <meta property="og:image" content="https://yourdomain.tld/res/og-cover.jpg" />
+  <meta name="twitter:card" content="summary_large_image" />
+
   <meta name="theme-color" content="#0b0c10" />
   <link rel="icon" href="data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'><text y='0.9em' font-size='90'>A</text></svg>">
+  <!-- Preload CV (opzionale) -->
+  <link rel="preload" as="fetch" href="res/Alessandro_Acuna_CV.pdf" type="application/pdf" crossorigin>
 
   <style>
     /* --- THEME TOKENS --- */
@@ -75,7 +83,7 @@
 
     /* --- LOGHI --- */
     .when{display:flex;flex-direction:column;gap:8px;align-items:center;justify-content:center;text-align:center;min-height:60px}
-    .logo-box{width:160px;height:60px;display:grid;place-items:center;background:transparent;border:1px solid transparent;border-radius:10px} 
+    .logo-box{width:160px;height:60px;display:grid;place-items:center;background:transparent;border:1px solid transparent;border-radius:10px; aspect-ratio:160/60;}
     .logo{display:block;height:auto;max-height:48px;max-width:100%;object-fit:contain;image-rendering:auto;opacity:.98} 
     .logo--wide{max-height:44px}
     .logo--square{max-height:52px}
@@ -201,6 +209,14 @@
         const theme = (t==='light') ? 'light' : 'dark';
         document.documentElement.setAttribute('data-theme', theme);
         if(metaTheme) metaTheme.setAttribute('content', theme==='light' ? '#ffffff' : '#0b0c10');
+        // Aggiorna lo stato ARIA del toggle
+        const btn = document.getElementById('themeToggle');
+        if(btn){
+          const isDark = theme==='dark';
+          btn.textContent = isDark ? '☀️' : '🌙';
+          btn.title = isDark ? 'Passa a tema chiaro' : 'Passa a tema scuro';
+          btn.setAttribute('aria-pressed', isDark ? 'false' : 'true');
+        }
       };
       const saved = localStorage.getItem(KEY);
       const prefersDark = window.matchMedia && window.matchMedia('(prefers-color-scheme: dark)').matches;
@@ -212,6 +228,7 @@
           const cur = document.documentElement.getAttribute('data-theme') || 'dark';
           btn.textContent = (cur==='dark') ? '☀️' : '🌙';
           btn.title = (cur==='dark') ? 'Passa a tema chiaro' : 'Passa a tema scuro';
+          btn.setAttribute('aria-pressed', cur==='dark' ? 'false' : 'true');
         };
         setIcon();
         btn.addEventListener('click', ()=>{
@@ -225,7 +242,7 @@
     })();
   </script>
 
-  <!-- JSON-LD base -->
+  <!-- JSON-LD base (sostituisci yourdomain.tld e l'immagine OG) -->
   <script type="application/ld+json">
   {
     "@context": "https://schema.org",
@@ -234,9 +251,15 @@
     "jobTitle": "Structural Engineer",
     "email": "mailto:alessan.acunaguardia@gmail.com",
     "telephone": "+393277671048",
-    "url": "",
+    "url": "https://yourdomain.tld/",
+    "image": "https://yourdomain.tld/res/og-cover.jpg",
     "sameAs": ["https://www.linkedin.com/in/aleacuna"],
-    "knowsAbout": ["Composite Materials","FEA","CAD","Aerospace","Python"]
+    "knowsAbout": ["Composite Materials","FEA","CAD","Aerospace","Python"],
+    "address": {
+      "@type": "PostalAddress",
+      "addressLocality": "Madrid",
+      "addressCountry": "ES"
+    }
   }
   </script>
 </head>
@@ -262,22 +285,22 @@
               <span class="lang-caret">▾</span>
             </button>
             <div class="lang-menu" id="langMenu" role="listbox" tabindex="-1">
-              <div class="lang-option" role="option" data-lang="it" aria-selected="true">
+              <div class="lang-option" role="option" data-lang="it" aria-selected="true" tabindex="0">
                 <span class="lang-flag">🇮🇹</span><span class="lang-name">Italiano</span><span class="lang-short">IT</span><span class="lang-check">✓</span>
               </div>
-              <div class="lang-option" role="option" data-lang="en" aria-selected="false">
+              <div class="lang-option" role="option" data-lang="en" aria-selected="false" tabindex="0">
                 <span class="lang-flag">🇬🇧</span><span class="lang-name">English</span><span class="lang-short">EN</span><span class="lang-check">✓</span>
               </div>
-              <div class="lang-option" role="option" data-lang="de" aria-selected="false">
+              <div class="lang-option" role="option" data-lang="de" aria-selected="false" tabindex="0">
                 <span class="lang-flag">🇩🇪</span><span class="lang-name">Deutsch</span><span class="lang-short">DE</span><span class="lang-check">✓</span>
               </div>
-              <div class="lang-option" role="option" data-lang="es" aria-selected="false">
+              <div class="lang-option" role="option" data-lang="es" aria-selected="false" tabindex="0">
                 <span class="lang-flag">🇪🇸</span><span class="lang-name">Español</span><span class="lang-short">ES</span><span class="lang-check">✓</span>
               </div>
             </div>
           </div>
 
-          <button id="themeToggle" class="btn" aria-label="Toggle theme" title="Light/Dark">🌓</button>
+          <button id="themeToggle" class="btn" aria-label="Toggle theme" aria-pressed="false" title="Light/Dark">🌓</button>
           <a class="btn primary" href="res/Alessandro_Acuna_CV.pdf" download data-i18n="cta.downloadCv" data-i18n-attr="title" title="Scarica il CV">⬇️ Scarica CV</a>
         </div>
       </nav>
@@ -303,7 +326,7 @@
         <div style="margin-top:16px; display:flex; gap:10px; flex-wrap:wrap">
           <a class="btn" href="mailto:alessan.acunaguardia@gmail.com">📧 Email</a>
           <a class="btn" href="tel:+393277671048">📱 +393277671048</a>
-          <a class="btn" href="https://www.linkedin.com/in/aleacuna" target="_blank" rel="noopener">💼 LinkedIn</a>
+          <a class="btn" href="https://www.linkedin.com/in/aleacuna" target="_blank" rel="noopener noreferrer">💼 LinkedIn</a>
         </div>
       </div>
       <div class="grid">
@@ -337,7 +360,7 @@
           </div>
           <div>
             <h3 class="brand">
-              <a class="brand-link" href="https://www.airbus.com" target="_blank" rel="noopener" data-i18n="exp.airbus.title">AIRBUS - Structural Design &amp; Analysis Engineer</a>
+              <a class="brand-link" href="https://www.airbus.com" target="_blank" rel="noopener noreferrer" data-i18n="exp.airbus.title">AIRBUS - Structural Design &amp; Analysis Engineer</a>
               <span class="where" data-i18n="exp.airbus.where">Madrid, ES</span>
             </h3>
             <ul>
@@ -356,7 +379,7 @@
           </div>
           <div>
             <h3 class="brand">
-              <a class="brand-link" href="https://www.dlr.de" target="_blank" rel="noopener" data-i18n="exp.dlr.title">DLR - Master Thesis · R&amp;D Engineer</a>
+              <a class="brand-link" href="https://www.dlr.de" target="_blank" rel="noopener noreferrer" data-i18n="exp.dlr.title">DLR - Master Thesis · R&amp;D Engineer</a>
               <span class="where" data-i18n="exp.dlr.where">Stuttgart, DE</span>
             </h3>
             <ul>
@@ -376,7 +399,7 @@
           </div>
           <div>
             <h3 class="brand">
-              <a class="brand-link" href="https://motorsport.unibo.it/" target="_blank" rel="noopener" data-i18n="exp.unibo.title">UniBo Motorsport - Stress &amp; Design Engineer</a>
+              <a class="brand-link" href="https://motorsport.unibo.it/" target="_blank" rel="noopener noreferrer" data-i18n="exp.unibo.title">UniBo Motorsport - Stress &amp; Design Engineer</a>
               <span class="where" data-i18n="exp.unibo.where">Bologna, IT</span>
             </h3>
             <ul>
@@ -393,7 +416,7 @@
           </div>
           <div>
             <h3 class="brand">
-              <a class="brand-link" href="https://www.dvp.it" target="_blank" rel="noopener" data-i18n="exp.dvp.title">D.V.P. Vacuum Technology - Bachelor Thesis · R&amp;D Engineer</a>
+              <a class="brand-link" href="https://www.dvp.it" target="_blank" rel="noopener noreferrer" data-i18n="exp.dvp.title">D.V.P. Vacuum Technology - Bachelor Thesis · R&amp;D Engineer</a>
               <span class="where" data-i18n="exp.dvp.where">Bologna, IT</span>
             </h3>
             <ul>
@@ -410,7 +433,7 @@
           </div>
           <div>
             <h3 class="brand">
-              <a class="brand-link" href="https://www.cpcgroup.it" target="_blank" rel="noopener" data-i18n="exp.cpc.title">CPC Group - Composite Laminator</a>
+              <a class="brand-link" href="https://www.cpcgroup.it" target="_blank" rel="noopener noreferrer" data-i18n="exp.cpc.title">CPC Group - Composite Laminator</a>
               <span class="where" data-i18n="exp.cpc.where">Modena, IT</span>
             </h3>
             <ul>
@@ -440,9 +463,13 @@
           <p data-i18n="projects.card.sec19.teaser">Skin laminate & stringer concept, drop-offs, reinforcements, frame joints (clips, Ø4.8 mm). <span class="where">UPM · Jan–Mar 2024</span></p>
         </div>
 
-        <div class="card project" data-modal="tmpl-handlebar-support">
-          <h3 data-i18n="projects.card.handlebar.title">Motorbike rear subframe - AlSi10Mg (SLM)</h3>
-          <p data-i18n="projects.card.handlebar.teaser">Topology optimization, VDI 2230 bolted joints, static/fatigue validation (Ansys), weight minimization. <span class="where">Unibo · Sep–Dec 2024</span></p>
+        <!-- Handlebar Bracket (NUOVO) -->
+        <div class="card project" data-modal="tmpl-handlebar-bracket">
+        <h3 data-i18n="projects.card.handlebar.title">Handlebar Bracket - AW-2024 T3</h3>
+        <p data-i18n="projects.card.handlebar.teaser">
+          Topology optimization, clamp &amp; VDI 2230 bolted-joint checks, static/fatigue validation (Ansys), weight minimization.
+          <span class="where">Unibo · Sep–Dec 2024</span>
+        </p>
         </div>
 
         <div class="card project" data-modal="tmpl-drone-structure">
@@ -459,7 +486,7 @@
       <p data-i18n-html="proj.stiff.obj"><strong>Objective -</strong> Design and validate CFRP panels with stringers, minimizing weight while meeting buckling and damage-tolerance requirements under the defined load cases.</p>
 
       <div>
-        <a class="btn primary" href="res/projects/stiffened-panels/report.pdf" target="_blank" rel="noopener" data-i18n="proj.common.download">📄 Download report</a>
+        <a class="btn primary" href="res/projects/stiffened-panels/report.pdf" target="_blank" rel="noopener noreferrer" data-i18n="proj.common.download">📄 Download report</a>
       </div>
 
       <h5 data-i18n="proj.common.what">What I did</h5>
@@ -492,7 +519,7 @@
       <p data-i18n-html="proj.hashin.obj"><strong>Objective -</strong> Simulate a UD laminate under tension and compression using <em>Hashin damage initiation</em> to identify ply-by-ply failure and compare tensile vs compressive capacity.</p>
 
       <div>
-        <a class="btn primary" href="res/projects/hashin/report.pdf" target="_blank" rel="noopener" data-i18n="proj.common.download">📄 Download report</a>
+        <a class="btn primary" href="res/projects/hashin/report.pdf" target="_blank" rel="noopener noreferrer" data-i18n="proj.common.download">📄 Download report</a>
       </div>
 
       <h5 data-i18n="proj.common.model">Model</h5>
@@ -542,7 +569,7 @@
       <p data-i18n-html="proj.sec19.obj"><strong>Objective -</strong> Define composite skin and stringer concept, reinforcements, drop-offs, and frame joints (clips, Ø4.8 mm) for a fuselage bay between Frames A–B.</p>
 
       <div>
-        <a class="btn primary" href="res/projects/section19/report.pdf" target="_blank" rel="noopener" data-i18n="proj.common.download">📄 Download report</a>
+        <a class="btn primary" href="res/projects/section19/report.pdf" target="_blank" rel="noopener noreferrer" data-i18n="proj.common.download">📄 Download report</a>
       </div>
 
       <h5 data-i18n="proj.sec19.given">Given data</h5>
@@ -575,41 +602,55 @@
       </ul>
     </template>
 
-    <!-- Handlebar / Rear Subframe -->
-    <template id="tmpl-handlebar-support">
-      <h4 data-i18n="proj.handle.h4">Motorbike Rear Subframe - AlSi10Mg (SLM)</h4>
-      <p data-i18n-html="proj.handle.obj"><strong>Objective -</strong> Design the lightest possible rear saddle frame within the boundary envelope, load-case compliant (static + fatigue), manufacturable by SLM (AlSi10Mg).</p>
+    <!-- Handlebar Bracket -->
+    <template id="tmpl-handlebar-bracket">
+      <h4 data-i18n="proj.handle.h4">Handlebar Bracket - AW-2024 T3</h4>
+      <p data-i18n-html="proj.handle.obj">
+      <strong>Objective -</strong> Design a lightweight handlebar bracket within the design envelope,
+      compliant with steering/impact/vibration loads, manufacturable by AW-2024 T3.
+      </p>
 
       <div>
-        <a class="btn primary" href="res/projects/handlebar/report.pdf" target="_blank" rel="noopener" data-i18n="proj.common.download">📄 Download report</a>
+        <a class="btn primary" href="res/projects/handlebar-bracket/report.pdf" target="_blank" rel="noopener noreferrer" data-i18n="proj.common.download">
+          📄 Download report
+        </a>
       </div>
 
       <h5 data-i18n="proj.common.process">Process</h5>
       <ul>
-        <li data-i18n="proj.handle.p1"><strong>AM setup:</strong> AlSi10Mg; printer SLM <em>NXG XII 600</em> (590 × 560 × 367 mm).</li>
-        <li data-i18n="proj.handle.p2"><strong>Topology:</strong> stress-based trial (~2.8 kg) → <strong>compliance-based</strong> (~2.06 kg) with rebuilds.</li>
-        <li data-i18n="proj.handle.p3"><strong>Bolts (VDI 2230):</strong> Subframe M8×4; saddle M5×4; preload &amp; checks via hand calcs + MATLAB from FEA reactions.</li>
-        <li data-i18n="proj.handle.p4"><strong>Validation (Ansys):</strong> static + fatigue, mesh conv. ~1.5 mm; local refinements near bolts.</li>
+        <li data-i18n="proj.handle.p2"><strong>Topology:</strong> compliance target with constraints on clamp stiffness and load paths → smoothed CAD rebuild.</li>
+        <li data-i18n="proj.handle.p3"><strong>Bolts (VDI 2230):</strong> M6 for clamp; torque, preload &amp; checks from FEA reactions.</li>
+        <li data-i18n="proj.handle.p4"><strong>Validation (Ansys):</strong> static + fatigue (Goodman); handlebar–clamp contact and surface pressure checks.</li>
       </ul>
+
+      <h5 data-i18n="proj.common.model">Model</h5>
+      <ul>
+        <li><strong>Material (bracket):</strong> EN AW-2024 T3 — ρ=2.77×10<sup>−3</sup> kg/mm³, E=73.1 GPa, ν=0.33, σ<sub>y</sub>=345 MPa, σ<sub>u</sub>=483 MPa.</li>
+        <li><strong>Loads:</strong> ultimate Fx=450 N, Fz=100 N; fatigue Fx=±350 N, Fz=50 N; life target 10<sup>5</sup> cycles.</li>
+        <li><strong>Contacts:</strong> threaded shaft–bracket bonded; under-head frictional (μ≈0.39); mesh conv. ~2.5 mm (local 2 mm).</li>
+      </ul>
+
       <h5 data-i18n="proj.common.results">Results</h5>
       <ul>
-        <li data-i18n="proj.handle.r1"><strong>Safety factors:</strong> &gt; 2 static, &gt; 1 fatigue (Goodman).</li>
-        <li data-i18n="proj.handle.r2"><strong>Deflection:</strong> &lt; 2 mm under defined loads.</li>
-        <li data-i18n="proj.handle.r3"><strong>Final weight:</strong> ~<strong>656 g</strong> after combined-load map optimization.</li>
+        <li data-i18n="proj.handle.r1"><strong>Safety factors:</strong> ≥ 2 static, ≥ 1 fatigue.</li>
+        <li data-i18n="proj.handle.r2"><strong>Clamp stiffness:</strong> within deflection/rotation limits; max deflection &lt; 1 mm at ultimate load.</li>
+        <li><strong>Bolts:</strong> VDI 2230 checks OK (tightening, head pressure, stiffness, thread engagement).</li>
       </ul>
+
       <div class="modal-gallery">
-        <img src="res/projects/handlebar/design_space.png" alt="Design vs non-design space for the rear subframe" loading="lazy">
-        <img src="res/projects/handlebar/topology_outputs.png" alt="Topology optimization outputs" loading="lazy">
-        <img src="res/projects/handlebar/finaldesign.png" alt="Final Handlebar Design" loading="lazy">
-        <img src="res/projects/handlebar/femcomparison.png" alt="Comparison Previous and Final Geometry" loading="lazy">
+        <img src="res/projects/handlebar-bracket/design_space.png" alt="Design space: clamp zone and handlebar constraints" loading="lazy">
+        <img src="res/projects/handlebar-bracket/topology_outputs.png" alt="Topology optimization outputs for handlebar bracket" loading="lazy">
+        <img src="res/projects/handlebar-bracket/finaldesign.png" alt="Final handlebar bracket design (AW-2024 T3)" loading="lazy">
+        <img src="res/projects/handlebar-bracket/femresults.png" alt="FEM results: safety factor and deflection maps" loading="lazy">
       </div>
+
       <hr style="border:none;border-top:1px solid var(--border);margin:8px 0 4px">
       <ul class="chips" aria-label="Highlights">
-        <li class="chip" data-i18n="proj.handle.ch1">AlSi10Mg - SLM</li>
+        <li class="chip" data-i18n="proj.handle.ch1">AW-2024 T3 </li>
         <li class="chip" data-i18n="proj.handle.ch2">Topology-Optimized</li>
         <li class="chip" data-i18n="proj.handle.ch3">VDI 2230 bolts</li>
-        <li class="chip" data-i18n="proj.handle.ch4">SF&gt;2 / SF&gt;1</li>
-        <li class="chip" data-i18n="proj.handle.ch5">~656 g</li>
+        <li class="chip" data-i18n="proj.handle.ch4">Clamp OK</li>
+        <li class="chip" data-i18n="proj.handle.ch5">Deflection &lt; 1 mm</li>
       </ul>
     </template>
 
@@ -619,7 +660,7 @@
       <p data-i18n-html="proj.drone.obj"><strong>Objective -</strong> Define laminate schedule and thicknesses to minimize weight while maintaining stiffness and strength on a composite drone frame, with harmonic and impact checks on critical members.</p>
 
       <div>
-        <a class="btn primary" href="res/projects/drone/report.pdf" target="_blank" rel="noopener" data-i18n="proj.common.download">📄 Download report</a>
+        <a class="btn primary" href="res/projects/drone/report.pdf" target="_blank" rel="noopener noreferrer" data-i18n="proj.common.download">📄 Download report</a>
       </div>
 
       <h5 data-i18n="proj.common.what">What I did</h5>
@@ -659,7 +700,7 @@
           </div>
           <div>
             <h3 class="brand">
-              <a class="brand-link" href="https://www.upm.es" target="_blank" rel="noopener">Master in Composite Materials</a>
+              <a class="brand-link" href="https://www.upm.es" target="_blank" rel="noopener noreferrer">Master in Composite Materials</a>
               <span class="where">AIRBUS Programme, Universidad Politécnica de Madrid</span>
             </h3>
             <p>Courses: Design of Advanced Composite Structures · Analysis of Composite Strucures · Abaqus Lab · Space Structures.</p>
@@ -671,7 +712,7 @@
           </div>
           <div>
             <h3 class="brand">
-              <a class="brand-link" href="https://www.unibo.it" target="_blank" rel="noopener">MSc in Mechanical Engineering (Minor: Mechanical Design & Modelling)</a>
+              <a class="brand-link" href="https://www.unibo.it" target="_blank" rel="noopener noreferrer">MSc in Mechanical Engineering (Minor: Mechanical Design & Modelling)</a>
               <span class="where">University of Bologna</span>
             </h3>
             <p>Courses: Chassis & Body Design Manufacturing · CAD of Surfaces Lab · CAD of Mechanical Structures · Processes and Manufacturing Methods for Product Development.</p>
@@ -683,7 +724,7 @@
           </div>
           <div>
             <h3 class="brand">
-              <a class="brand-link" href="https://www.uni-stuttgart.de" target="_blank" rel="noopener">Erasmus+ Aerospace Engineering</a>
+              <a class="brand-link" href="https://www.uni-stuttgart.de" target="_blank" rel="noopener noreferrer">Erasmus+ Aerospace Engineering</a>
               <span class="where">University of Stuttgart</span>
             </h3>
             <p>Computational Dynamics (Robotics) · Computational Mechanics of Structures · Advanced FEA Technology.</p>
@@ -695,7 +736,7 @@
           </div>
           <div>
             <h3 class="brand">
-              <a class="brand-link" href="https://www.unibo.it" target="_blank" rel="noopener">BSc in Mechanical Engineering</a>
+              <a class="brand-link" href="https://www.unibo.it" target="_blank" rel="noopener noreferrer">BSc in Mechanical Engineering</a>
               <span class="where">University of Bologna</span>
             </h3>
           </div>
@@ -743,7 +784,7 @@
             <strong data-i18n="contact.locationTitle">Current location:</strong> Madrid, Spain
             <div style="margin:10px 0;">
               <iframe src="https://www.openstreetmap.org/export/embed.html?bbox=-3.745%2C40.312%2C-3.543%2C40.563&amp;layer=mapnik&amp;marker=40.4168%2C-3.7038" style="width:100%;height:220px;border-radius:12px;border:1px solid var(--border);" allowfullscreen loading="lazy" referrerpolicy="no-referrer-when-downgrade"></iframe>
-              <div style="font-size:13px;color:var(--muted);margin-top:4px;text-align:right"><a href="https://www.openstreetmap.org/?mlat=40.4168&amp;mlon=-3.7038#map=12/40.4168/-3.7038" target="_blank" rel="noopener" style="color:var(--primary)" data-i18n="contact.viewmap">View larger map</a></div>
+              <div style="font-size:13px;color:var(--muted);margin-top:4px;text-align:right"><a href="https://www.openstreetmap.org/?mlat=40.4168&amp;mlon=-3.7038#map=12/40.4168/-3.7038" target="_blank" rel="noopener noreferrer" style="color:var(--primary)" data-i18n="contact.viewmap">View larger map</a></div>
             </div>
             <div style="margin:10px 0 18px 0">
               <strong data-i18n="contact.hoursTitle">Contact hours (Madrid time):</strong>
@@ -757,7 +798,7 @@
           <div style="display:flex; gap:10px; flex-wrap:wrap">
             <a class="btn" href="mailto:alessan.acunaguardia@gmail.com">📧 alessan.acunaguardia@gmail.com</a>
             <a class="btn" href="tel:+393277671048">📱 +39 327 767 1048</a>
-            <a class="btn" href="https://www.linkedin.com/in/aleacuna" target="_blank" rel="noopener">💼 linkedin.com/in/aleacuna</a>
+            <a class="btn" href="https://www.linkedin.com/in/aleacuna" target="_blank" rel="noopener noreferrer">💼 linkedin.com/in/aleacuna</a>
           </div>
       </div>
     </section>
@@ -935,8 +976,8 @@
       'projects.card.hashin.teaser':'Provino UD a trazione vs. compressione; failure ply-by-ply con Hashin; analisi FEM. <span class="where">UPM · Gen–Mar 2025</span>',
       'projects.card.sec19.title':'Sezione 19 - fusoliera posteriore (Skin & Stringers)',
       'projects.card.sec19.teaser':'Skin laminate & concept stringers, drop-off, rinforzi, giunti a frame (clip, Ø4.8 mm). <span class="where">UPM · Gen–Mar 2024</span>',
-      'projects.card.handlebar.title':'Subframe posteriore moto - AlSi10Mg (SLM)',
-      'projects.card.handlebar.teaser':'Topology optimization, bulloneria VDI 2230, validazione static/fatica (Ansys), minimizzazione peso. <span class="where">Unibo · Set–Dic 2024</span>',
+      'projects.card.handlebar.title':'Staffa manubrio - AW-2024 T3',
+      'projects.card.handlebar.teaser':'Ottimizzazione topologica, verifica morsetto e bulloneria VDI 2230, validazione statico/fatica (Ansys), minimizzazione del peso. <span class="where">Unibo · Set–Dic 2024</span>',
       'projects.card.drone.title':'Struttura drone in composito',
       'projects.card.drone.teaser':'Definizione lamina, ottimizzazione spessori, analisi armoniche & impatto. <span class="where">Unibo · Feb–Giu 2023</span>',
 
@@ -1058,20 +1099,18 @@
       'proj.sec19.ch3':'UD CPT 0.184 mm',
       'proj.sec19.ch4':'Clip Ø 4.8 mm',
 
-      'proj.handle.h4':'Subframe posteriore moto - AlSi10Mg (SLM)',
-      'proj.handle.obj':'<strong>Obiettivo -</strong> Progettare il telaio sellino più leggero entro gli ingombri, conforme ai carichi (statico + fatica), producibile in SLM (AlSi10Mg).',
-      'proj.handle.p1':'<strong>AM:</strong> AlSi10Mg; stampante SLM <em>NXG XII 600</em> (590 × 560 × 367 mm).',
-      'proj.handle.p2':'<strong>Topologia:</strong> stress-based (~2.8 kg) → <strong>compliance-based</strong> (~2.06 kg).',
-      'proj.handle.p3':'<strong>Bulloni (VDI 2230):</strong> Subframe M8×4; sella M5×4; preload + check da reazioni FEM.',
-      'proj.handle.p4':'<strong>Validazione (Ansys):</strong> statico + fatica; mesh ~1.5 mm.',
-      'proj.handle.r1':'<strong>Fattori di sicurezza:</strong> &gt; 2 statico, &gt; 1 fatica.',
-      'proj.handle.r2':'<strong>Deflessione:</strong> &lt; 2 mm.',
-      'proj.handle.r3':'<strong>Peso finale:</strong> ~<strong>656 g</strong>.',
-      'proj.handle.ch1':'AlSi10Mg - SLM',
+      'proj.handle.h4':'Staffa manubrio - AW-2024 T3',
+      'proj.handle.obj':'<strong>Obiettivo -</strong> Progettare una staffa manubrio leggera entro gli ingombri, conforme ai carichi di sterzo/urto/vibrazioni, producibile in AW-2024 T3.',
+      'proj.handle.p2':'<strong>Topologia:</strong> obiettivo di compliance con vincoli su rigidezza del morsetto e percorsi di carico → rebuild CAD levigato.',
+      'proj.handle.p3':'<strong>Bulloni (VDI 2230):</strong> M6 per morsetto; coppia, preload e verifiche da reazioni FEM.',
+      'proj.handle.p4':'<strong>Validazione (Ansys):</strong> statico + fatica (Goodman); contatto manubrio–morsetto e pressioni superficiali.',
+      'proj.handle.r1':'<strong>Fattori di sicurezza:</strong> ≥ 2 statico, ≥ 1 a fatica.',
+      'proj.handle.r2':'<strong>Rigidezza morsetto:</strong> entro i limiti di flessione/rotazione; freccia max &lt; 1 mm.',
+      'proj.handle.ch1':'AW-2024 T3',
       'proj.handle.ch2':'Topology-Optimized',
       'proj.handle.ch3':'VDI 2230',
-      'proj.handle.ch4':'SF&gt;2 / SF&gt;1',
-      'proj.handle.ch5':'~656 g',
+      'proj.handle.ch4':'Morsetto OK',
+      'proj.handle.ch5':'Deflessione &lt; 1 mm',
 
       'proj.drone.h4':'Struttura drone in composito',
       'proj.drone.obj':'<strong>Obiettivo -</strong> Definire layup e spessori per minimizzare il peso mantenendo rigidezza/resistenza; verifiche armoniche e impatto.',
@@ -1127,8 +1166,8 @@
       'projects.card.hashin.teaser':'UD laminate under tension vs compression; ply-by-ply failure using Hashin initiation; FEM-driven analysis. <span class="where">UPM · Jan–Mar 2025</span>',
       'projects.card.sec19.title':'Rear Fuselage - Section 19 (Skin & Stringers)',
       'projects.card.sec19.teaser':'Skin laminate & stringer concept, drop-offs, reinforcements, frame joints (clips, Ø4.8 mm). <span class="where">UPM · Jan–Mar 2024</span>',
-      'projects.card.handlebar.title':'Motorbike rear subframe - AlSi10Mg (SLM)',
-      'projects.card.handlebar.teaser':'Topology optimization, VDI 2230 bolted joints, static/fatigue validation (Ansys), weight minimization. <span class="where">Unibo · Sep–Dec 2024</span>',
+      'projects.card.handlebar.title':'Handlebar Bracket - AW-2024 T3',
+      'projects.card.handlebar.teaser':'Topology optimization, clamp & VDI 2230 bolted-joint checks, static/fatigue validation (Ansys), weight minimization. <span class="where">Unibo · Sep–Dec 2024</span>',
       'projects.card.drone.title':'Composite drone structure',
       'projects.card.drone.teaser':'Lamination definition, thickness optimization, harmonic & impact FEM analyses. <span class="where">Unibo · Feb–Jun 2023</span>',
 
@@ -1238,7 +1277,7 @@
       'proj.sec19.g1':'<strong>Geometry:</strong> cylinder <strong>R = 4500 mm</strong>; frames <strong>550 mm</strong> apart; stringer pitch <strong>150 mm</strong>.',
       'proj.sec19.g2':'<strong>Material:</strong> UD, <strong>CPT 0.184 mm</strong>.',
       'proj.sec19.g3':'<strong>Skin:</strong> base <strong>9 plies (2/4/3)</strong>; reinforcement <strong>14 plies (2/8/4)</strong>, <strong>100 × 70 mm</strong> patch.',
-      'proj.sec19.g4':'<strong>Stringers:</strong> <strong>h &lt; 35 mm</strong>, <strong>R ≥ 3 mm</strong>; web <strong>20 plies</strong> (50% 0° / 40% ±45° / 10% 90°); <strong>web = 2× flange</strong>.',
+      'proj.sec19.g4':'<strong>Stringers:</strong> <strong>h &lt; 35 mm</strong>, <strong>R ≥ 3 mm</strong>; web <strong>20 plies</strong> (50% 0° / 40% ±45° / 10% 90%); <strong>web = 2× flange</strong>.',
       'proj.sec19.g5':'<strong>Joints:</strong> clips + <strong>Ø 4.8 mm</strong> fasteners.',
       'proj.sec19.li1':'Built the master geometry (frames & stringers on skin), set pitch and feet widths.',
       'proj.sec19.li2':'Mapped skin layups, drop-offs and reinforcement footprint.',
@@ -1249,20 +1288,18 @@
       'proj.sec19.ch3':'UD CPT 0.184 mm',
       'proj.sec19.ch4':'Clips Ø 4.8 mm',
 
-      'proj.handle.h4':'Motorbike Rear Subframe - AlSi10Mg (SLM)',
-      'proj.handle.obj':'<strong>Objective -</strong> Design the lightest possible rear saddle frame within the boundary envelope, load-case compliant (static + fatigue), manufacturable by SLM (AlSi10Mg).',
-      'proj.handle.p1':'<strong>AM setup:</strong> AlSi10Mg; printer SLM <em>NXG XII 600</em> (590 × 560 × 367 mm).',
-      'proj.handle.p2':'<strong>Topology:</strong> stress-based trial (~2.8 kg) → <strong>compliance-based</strong> (~2.06 kg) with rebuilds.',
-      'proj.handle.p3':'<strong>Bolts (VDI 2230):</strong> Subframe M8×4; saddle M5×4; preload & checks via hand calcs + MATLAB from FEA reactions.',
-      'proj.handle.p4':'<strong>Validation (Ansys):</strong> static + fatigue, mesh conv. ~1.5 mm; local refinements near bolts.',
-      'proj.handle.r1':'<strong>Safety factors:</strong> &gt; 2 static, &gt; 1 fatigue (Goodman).',
-      'proj.handle.r2':'<strong>Deflection:</strong> &lt; 2 mm under defined loads.',
-      'proj.handle.r3':'<strong>Final weight:</strong> ~<strong>656 g</strong> after combined-load map optimization.',
-      'proj.handle.ch1':'AlSi10Mg - SLM',
+      'proj.handle.h4':'Handlebar Bracket - AW-2024 T3',
+      'proj.handle.obj':'<strong>Objective -</strong> Design a lightweight handlebar bracket within the envelope, compliant with steering/impact/vibration loads, manufacturable by AW-2024 T3.',
+      'proj.handle.p2':'<strong>Topology:</strong> compliance target with constraints on clamp stiffness and load paths → smoothed CAD rebuild.',
+      'proj.handle.p3':'<strong>Bolts (VDI 2230):</strong> M6 for clamp; torque, preload & checks driven by FEA reactions.',
+      'proj.handle.p4':'<strong>Validation (Ansys):</strong> static + fatigue (Goodman); handlebar–clamp contact and surface pressure checks.',
+      'proj.handle.r1':'<strong>Safety factors:</strong> ≥ 2 static, ≥ 1 fatigue.',
+      'proj.handle.r2':'<strong>Clamp stiffness:</strong> within deflection/rotation limits; max deflection &lt; 1 mm.',
+      'proj.handle.ch1':'AW-2024 T3',
       'proj.handle.ch2':'Topology-Optimized',
       'proj.handle.ch3':'VDI 2230 bolts',
-      'proj.handle.ch4':'SF&gt;2 / SF&gt;1',
-      'proj.handle.ch5':'~656 g',
+      'proj.handle.ch4':'Clamp OK',
+      'proj.handle.ch5':'Deflection &lt; 1 mm',
 
       'proj.drone.h4':'Composite drone structure',
       'proj.drone.obj':'<strong>Objective -</strong> Define laminate schedule and thicknesses to minimize weight while maintaining stiffness and strength on a composite drone frame, with harmonic and impact checks on critical members.',
@@ -1280,7 +1317,7 @@
     },
 
     /* =========================
-       DEUTSCH (mit vollständigen Modal-Übersetzungen)
+       DEUTSCH
        ========================= */
     de: {
       'cta.downloadCv': '⬇️ Lebenslauf herunterladen',
@@ -1318,8 +1355,8 @@
       'projects.card.hashin.teaser':'UD-Laminat Zug vs. Druck; ply-by-ply Versagen mit Hashin; FEM-gestützte Analyse. <span class="where">UPM · Jan–Mär 2025</span>',
       'projects.card.sec19.title':'Heckrumpf - Sektion 19 (Skin & Stringers)',
       'projects.card.sec19.teaser':'Skin-Laminat & Stringer-Konzept, Drop-offs, Verstärkungen, Rahmenverbindungen (Clips, Ø4,8 mm). <span class="where">UPM · Jan–Mär 2024</span>',
-      'projects.card.handlebar.title':'Motorrad-Heckrahmen - AlSi10Mg (SLM)',
-      'projects.card.handlebar.teaser':'Topologie­optimierung, VDI 2230 Schrauben, statische/Ermüdungs­prüfung (Ansys), Gewichts­minimierung. <span class="where">Unibo · Sep–Dez 2024</span>',
+      'projects.card.handlebar.title':'Lenkerhalterung - AW-2024 T3',
+      'projects.card.handlebar.teaser':'Topologie­optimierung, Klemmen- & VDI-2230-Schraubennachweise, statische/Ermüdungs-Validierung (Ansys), Gewichts­minimierung. <span class="where">Unibo · Sep–Dez 2024</span>',
       'projects.card.drone.title':'Verbund-Drone-Struktur',
       'projects.card.drone.teaser':'Laminatdefinition, Dickenoptimierung, harmonische & Schlag-FEM. <span class="where">Unibo · Feb–Jun 2023</span>',
 
@@ -1376,7 +1413,6 @@
       'exp.cpc.where':'Modena, IT',
       'exp.cpc.p1':'Laminieren von <strong>CFRP</strong>-Formen und eines Chassis für das Formula-SAE-Team.',
 
-      /* PROJEKTE - gemeinsam */
       'proj.common.what':'Was ich gemacht habe',
       'proj.common.model':'Modell',
       'proj.common.tools':'Werkzeuge',
@@ -1384,7 +1420,6 @@
       'proj.common.process':'Prozess',
       'proj.common.download':'📄 Bericht herunterladen',
 
-      /* === PROJEKTE - Details (DE) === */
       'proj.stiff.h4':'Versteifte Verbundpaneele',
       'proj.stiff.obj':'<strong>Ziel -</strong> CFRP-Paneele mit Stringern auslegen und validieren, Gewicht minimieren und Beul-/Schadens­toleranz-Anforderungen erfüllen.',
       'proj.stiff.li1':'<strong>Layups</strong> für Skin und Stringer definiert (Symmetrie, Balance, Lagenanteile).',
@@ -1429,7 +1464,7 @@
       'proj.sec19.g1':'<strong>Geometrie:</strong> Zylinder <strong>R = 4500 mm</strong>; Rahmenabstand <strong>550 mm</strong>; Stringer-Pitch <strong>150 mm</strong>.',
       'proj.sec19.g2':'<strong>Material:</strong> UD, <strong>CPT 0,184 mm</strong>.',
       'proj.sec19.g3':'<strong>Skin:</strong> Basis <strong>9 Lagen (2/4/3)</strong>; Verstärkung <strong>14 Lagen (2/8/4)</strong>, Patch <strong>100 × 70 mm</strong>.',
-      'proj.sec19.g4':'<strong>Stringer:</strong> <strong>h &lt; 35 mm</strong>, <strong>R ≥ 3 mm</strong>; Steg <strong>20 Lagen</strong> (50 % 0° / 40 % ±45° / 10 % 90°); <strong>Steg = 2× Flansch</strong>.',
+      'proj.sec19.g4':'<strong>Stringer:</strong> <strong>h &lt; 35 mm</strong>, <strong>R ≥ 3 mm</strong>; Steg <strong>20 Lagen</strong> (50 % 0° / 40 % ±45° / 10 % 90 %); <strong>Steg = 2× Flansch</strong>.',
       'proj.sec19.g5':'<strong>Verbindungen:</strong> Clips + <strong>Ø 4,8 mm</strong> Befestiger.',
       'proj.sec19.li1':'Mastergeometrie (Rahmen & Stringer auf der Skin), Pitch und Fußbreiten erstellt.',
       'proj.sec19.li2':'Skin-Layups, Drop-offs und Verstärkungs-Footprint kartiert.',
@@ -1440,20 +1475,18 @@
       'proj.sec19.ch3':'UD CPT 0,184 mm',
       'proj.sec19.ch4':'Clips Ø 4,8 mm',
 
-      'proj.handle.h4':'Motorrad-Heckrahmen - AlSi10Mg (SLM)',
-      'proj.handle.obj':'<strong>Ziel -</strong> Möglichst leichten Sattel-Heckrahmen innerhalb der Hüllkurve konstruieren, lastfallkonform (statisch + Ermüdung), herstellbar per SLM (AlSi10Mg).',
-      'proj.handle.p1':'<strong>AM-Setup:</strong> AlSi10Mg; SLM-Drucker <em>NXG XII 600</em> (590 × 560 × 367 mm).',
-      'proj.handle.p2':'<strong>Topologie:</strong> Spannungs­basiert (~2,8 kg) → <strong>Compliance-basiert</strong> (~2,06 kg) mit Rebuilds.',
-      'proj.handle.p3':'<strong>Schrauben (VDI 2230):</strong> Heckrahmen M8×4; Sattel M5×4; Vorspannung & Nachweise über Handrechnungen + MATLAB aus FEM-Reaktionen.',
-      'proj.handle.p4':'<strong>Validierung (Ansys):</strong> statisch + Ermüdung; Netzkonvergenz ~1,5 mm; lokale Verfeinerungen an Schrauben.',
-      'proj.handle.r1':'<strong>Sicherheitsfaktoren:</strong> &gt; 2 statisch, &gt; 1 Ermüdung (Goodman).',
-      'proj.handle.r2':'<strong>Durchbiegung:</strong> &lt; 2 mm unter definierten Lasten.',
-      'proj.handle.r3':'<strong>Endgewicht:</strong> ~<strong>656 g</strong> nach Optimierung mit kombinierten Lastkarten.',
-      'proj.handle.ch1':'AlSi10Mg - SLM',
+      'proj.handle.h4':'Lenkerhalterung - AW-2024 T3',
+      'proj.handle.obj':'<strong>Ziel -</strong> Leichte Lenkerhalterung innerhalb der Hüllkurve, konform zu Lenk-/Schlag-/Vibrationslasten, herstellbar per AW-2024 T3.',
+      'proj.handle.p2':'<strong>Topologie:</strong> Compliance-Ziel mit Randbedingungen zur Klemmensteifigkeit & Lastpfaden → geglätteter CAD-Rebuild.',
+      'proj.handle.p3':'<strong>Schrauben (VDI 2230):</strong> M6 für Klemme; Drehmoment, Vorspannung & Nachweise aus FEM-Reaktionen.',
+      'proj.handle.p4':'<strong>Validierung (Ansys):</strong> statisch + Ermüdung (Goodman); Kontakt Lenker–Klemme und Flächendrücke.',
+      'proj.handle.r1':'<strong>Sicherheitsfaktoren:</strong> ≥ 2 statisch, ≥ 1 Ermüdung.',
+      'proj.handle.r2':'<strong>Klemmensteifigkeit:</strong> innerhalb der Durchbiegungs-/Rotationsgrenzen; maximale Durchbiegung &lt; 1 mm.',
+      'proj.handle.ch1':'AW-2024 T3',
       'proj.handle.ch2':'Topologie-optimiert',
       'proj.handle.ch3':'VDI 2230',
-      'proj.handle.ch4':'SF&gt;2 / SF&gt;1',
-      'proj.handle.ch5':'~656 g',
+      'proj.handle.ch4':'Klemme OK',
+      'proj.handle.ch5':'Durchbiegung &lt; 1 mm',
 
       'proj.drone.h4':'Verbund-Drone-Struktur',
       'proj.drone.obj':'<strong>Ziel -</strong> Laminataufbau und Dicken zur Gewichtsminimierung bei ausreichender Steifigkeit/Festigkeit festlegen; harmonische und Schlagprüfungen an kritischen Bauteilen.',
@@ -1471,7 +1504,7 @@
     },
 
     /* =========================
-       ESPAÑOL (con modales completos)
+       ESPAÑOL
        ========================= */
     es: {
       'cta.downloadCv': '⬇️ Descargar CV',
@@ -1509,8 +1542,8 @@
       'projects.card.hashin.teaser':'Laminado UD a tracción vs compresión; fallo ply-by-ply con Hashin; análisis FEM. <span class="where">UPM · Ene–Mar 2025</span>',
       'projects.card.sec19.title':'Sección 19 del fuselaje trasero (Skin & Stringers)',
       'projects.card.sec19.teaser':'Skin laminate y concepto de stringers, drop-offs, refuerzos, uniones a marcos (clips, Ø4,8 mm). <span class="where">UPM · Ene–Mar 2024</span>',
-      'projects.card.handlebar.title':'Subchasis trasero de moto - AlSi10Mg (SLM)',
-      'projects.card.handlebar.teaser':'Optimización topológica, uniones atornilladas VDI 2230, validación estática/fatiga (Ansys), minimización de peso. <span class="where">Unibo · Sep–Dic 2024</span>',
+      'projects.card.handlebar.title':'Soporte de manillar - AW-2024 T3',
+      'projects.card.handlebar.teaser':'Optimización topológica, verificación de mordaza y tornillería VDI 2230, validación estática/fatiga (Ansys), minimización de peso. <span class="where">Unibo · Sep–Dic 2024</span>',
       'projects.card.drone.title':'Estructura de dron compuesta',
       'projects.card.drone.teaser':'Definición de laminado, optimización de espesores, análisis armónico y de impacto FEM. <span class="where">Unibo · Feb–Jun 2023</span>',
 
@@ -1567,7 +1600,6 @@
       'exp.cpc.where':'Módena, IT',
       'exp.cpc.p1':'Laminación de moldes <strong>CFRP</strong> y de un chasis para el equipo de Formula SAE.',
 
-      /* PROYECTOS - común */
       'proj.common.what':'Qué hice',
       'proj.common.model':'Modelo',
       'proj.common.tools':'Herramientas',
@@ -1575,7 +1607,6 @@
       'proj.common.process':'Proceso',
       'proj.common.download':'📄 Descargar informe',
 
-      /* === PROYECTOS - Detalles (ES) === */
       'proj.stiff.h4':'Paneles compuestos rigidizados',
       'proj.stiff.obj':'<strong>Objetivo -</strong> Diseñar y validar paneles CFRP con rigidizadores, minimizando peso y cumpliendo requisitos de pandeo y tolerancia al daño.',
       'proj.stiff.li1':'Definí <strong>layups</strong> para piel y stringers (simetría, balance, porcentajes de capas).',
@@ -1612,13 +1643,29 @@
       'proj.hashin.ch2':'[0/±45/0/90]s',
       'proj.hashin.ch3':'UTS 413 MPa',
       'proj.hashin.ch4':'UCS 336 MPa',
-      'proj.hashin.ch5':'Relación ≈ 1,23'
+      'proj.hashin.ch5':'Relación ≈ 1,23',
+
+      'proj.sec19.h4':'Sección 19 del fuselaje trasero (Skin & Stringers)',
+      'proj.sec19.obj':'<strong>Objetivo -</strong> Definir skin y stringers en compuesto, refuerzos, drop-offs y uniones a marcos (clips, Ø4,8 mm) para un panel entre marcos A–B.',
+      'proj.sec19.given':'Datos de base',
+      'proj.sec19.g1':'<strong>Geometría:</strong> cilindro <strong>R = 4500 mm</strong>; marcos a <strong>550 mm</strong>; pitch de stringer <strong>150 mm</strong>.',
+      'proj.sec19.g2':'<strong>Material:</strong> UD, <strong>CPT 0.184 mm</strong>.',
+      'proj.sec19.g3':'<strong>Skin:</strong> base <strong>9 capas (2/4/3)</strong>; refuerzo <strong>14 capas (2/8/4)</strong>, parche <strong>100 × 70 mm</strong>.',
+      'proj.sec19.g4':'<strong>Stringers:</strong> <strong>h &lt; 35 mm</strong>, <strong>R ≥ 3 mm</strong>; alma <strong>20 capas</strong> (50% 0° / 40% ±45° / 10% 90°); <strong>alma = 2× ala</strong>.',
+      'proj.sec19.g5':'<strong>Uniones:</strong> clips + <strong>Ø 4.8 mm</strong> tornillería.',
+      'proj.sec19.li1':'Geometría master (marcos & stringers sobre la skin), pitch y pies.',
+      'proj.sec19.li2':'Mapeado de layups de skin, drop-offs y footprint de refuerzo.',
+      'proj.sec19.li3':'Dimensionado de alma/alas de stringer y verificación de reparabilidad (L1 con Ø4,8).',
+      'proj.sec19.li4':'Definición de clips y preparación de planos, lista de materiales y peso del panel.',
+      'proj.sec19.ch1':'R 4500 mm',
+      'proj.sec19.ch2':'Pitch 150 mm',
+      'proj.sec19.ch3':'UD CPT 0.184 mm',
+      'proj.sec19.ch4':'Clips Ø 4.8 mm'
     }
   };
 
   let currentLang = DEFAULT_LANG;
 
-  // ===== helper con fallback (lang -> en -> default) =====
   function resolveKey(key, lang){
     const order = [lang, 'en', DEFAULT_LANG];
     for(const L of order){
@@ -1735,7 +1782,6 @@
 })();
 </script>
 
-
   <script>
     // Footer dates
     document.getElementById('year').textContent = new Date().getFullYear();
diff --git a/res/projects/handlebar/design_space.png b/res/projects/handlebar-bracket/design_space.png
similarity index 100%
rename from res/projects/handlebar/design_space.png
rename to res/projects/handlebar-bracket/design_space.png
diff --git a/res/projects/handlebar/femcomparison.png b/res/projects/handlebar-bracket/femresults.png
similarity index 100%
rename from res/projects/handlebar/femcomparison.png
rename to res/projects/handlebar-bracket/femresults.png
diff --git a/res/projects/handlebar/finaldesign.png b/res/projects/handlebar-bracket/finaldesign.png
similarity index 100%
rename from res/projects/handlebar/finaldesign.png
rename to res/projects/handlebar-bracket/finaldesign.png
diff --git a/res/projects/handlebar/report.pdf b/res/projects/handlebar-bracket/report.pdf
similarity index 100%
rename from res/projects/handlebar/report.pdf
rename to res/projects/handlebar-bracket/report.pdf
diff --git a/res/projects/handlebar/topology_outputs.png b/res/projects/handlebar-bracket/topology_outputs.png
similarity index 100%
rename from res/projects/handlebar/topology_outputs.png
rename to res/projects/handlebar-bracket/topology_outputs.png