diff --git a/docs/site/index.html b/docs/site/index.html
index 8b59cfd..a8b5a94 100644
--- a/docs/site/index.html
+++ b/docs/site/index.html
@@ -8,6 +8,7 @@
     <meta name="keywords" content="linux, package manager, rust, elf, binary translation, pacman, apt, dnf, nix, cross-distribution, universal">
     <meta name="author" content="supercosti21">
     <meta name="robots" content="index, follow">
+    <meta name="theme-color" content="#08080c" id="theme-color-meta">
 
     <!-- Open Graph -->
     <meta property="og:title" content="Zero Layer — Universal Linux Package Manager">
@@ -23,8 +24,14 @@
     <meta name="twitter:description" content="Install packages from any source on any Linux distro. Native binary translation — no containers, no VMs, zero runtime overhead.">
     <meta name="twitter:image" content="https://supercosti21.github.io/zero_layer/og-image.png">
 
-    <!-- Canonical -->
+    <!-- Canonical + hreflang (single-URL client-side i18n) -->
     <link rel="canonical" href="https://supercosti21.github.io/zero_layer/">
+    <link rel="alternate" hreflang="en" href="https://supercosti21.github.io/zero_layer/">
+    <link rel="alternate" hreflang="it" href="https://supercosti21.github.io/zero_layer/?lang=it">
+    <link rel="alternate" hreflang="fr" href="https://supercosti21.github.io/zero_layer/?lang=fr">
+    <link rel="alternate" hreflang="es" href="https://supercosti21.github.io/zero_layer/?lang=es">
+    <link rel="alternate" hreflang="de" href="https://supercosti21.github.io/zero_layer/?lang=de">
+    <link rel="alternate" hreflang="x-default" href="https://supercosti21.github.io/zero_layer/">
 
     <!-- JSON-LD structured data -->
     <script type="application/ld+json">
@@ -38,7 +45,7 @@
         "operatingSystem": "Linux",
         "url": "https://supercosti21.github.io/zero_layer/",
         "downloadUrl": "https://github.com/supercosti21/zero_layer/releases/latest",
-        "softwareVersion": "0.1.0",
+        "softwareVersion": "0.2.0",
         "programmingLanguage": "Rust",
         "license": "https://opensource.org/licenses/MIT",
         "codeRepository": "https://github.com/supercosti21/zero_layer",
@@ -52,6 +59,19 @@
 
     <meta name="google-site-verification" content="SOz7K9fn7Ufe9BBDrjT0qwhMdgkpUGnkn6G0N_oc8o0" />
     <link rel="icon" type="image/svg+xml" href="data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 32 32'%3E%3Cdefs%3E%3ClinearGradient id='g' x1='0' y1='0' x2='1' y2='1'%3E%3Cstop offset='0' stop-color='%237c5bf0'/%3E%3Cstop offset='1' stop-color='%23a78bfa'/%3E%3C/linearGradient%3E%3C/defs%3E%3Crect width='32' height='32' rx='8' fill='url(%23g)'/%3E%3Ctext x='16' y='22' text-anchor='middle' font-family='system-ui,sans-serif' font-weight='800' font-size='16' fill='white'%3EZL%3C/text%3E%3C/svg%3E">
+
+    <!-- Set theme before paint to avoid a flash of the wrong theme.
+         Dark is the default; light applies only if the user chose it before. -->
+    <script>
+        (function () {
+            var t = 'dark';
+            try {
+                var saved = localStorage.getItem('zl-theme');
+                if (saved === 'light' || saved === 'dark') t = saved;
+            } catch (e) {}
+            document.documentElement.setAttribute('data-theme', t);
+        })();
+    </script>
     <style>
         *, *::before, *::after {
             margin: 0;
@@ -59,7 +79,8 @@
             box-sizing: border-box;
         }
 
-        :root {
+        /* ---- Dark theme (default) ---- */
+        :root, :root[data-theme="dark"] {
             --bg: #08080c;
             --bg-card: #111118;
             --bg-card-hover: #16161f;
@@ -76,12 +97,51 @@
             --pink: #f472b6;
             --teal: #2dd4bf;
             --red: #f85149;
+            --nav-bg: rgba(8, 8, 12, 0.8);
+            --shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
+            --amb-1: rgba(124, 91, 240, 0.08);
+            --amb-2: rgba(52, 211, 153, 0.04);
+            --icon-15: 0.15;
+        }
+
+        /* ---- Light theme ---- */
+        :root[data-theme="light"] {
+            --bg: #f7f7fb;
+            --bg-card: #ffffff;
+            --bg-card-hover: #f2f2f8;
+            --border: #e6e6f0;
+            --border-hover: #d3d3e4;
+            --text: #17171f;
+            --text-dim: #5c5c72;
+            --accent: #6d4bd8;
+            --accent-light: #6d4bd8;
+            --accent-glow: rgba(124, 91, 240, 0.12);
+            --green: #059669;
+            --blue: #2563eb;
+            --orange: #ea580c;
+            --pink: #db2777;
+            --teal: #0d9488;
+            --red: #dc2626;
+            --nav-bg: rgba(247, 247, 251, 0.8);
+            --shadow: 0 20px 50px rgba(80, 60, 160, 0.12);
+            --amb-1: rgba(124, 91, 240, 0.10);
+            --amb-2: rgba(45, 212, 191, 0.08);
+            --icon-15: 0.14;
         }
 
         html {
             scroll-behavior: smooth;
         }
 
+        /* Visible keyboard focus for all interactive elements */
+        a:focus-visible,
+        button:focus-visible,
+        select:focus-visible {
+            outline: 2px solid var(--accent-light);
+            outline-offset: 2px;
+            border-radius: 8px;
+        }
+
         body {
             font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Inter, system-ui, sans-serif;
             background: var(--bg);
@@ -89,6 +149,7 @@
             -webkit-font-smoothing: antialiased;
             line-height: 1.6;
             overflow-x: hidden;
+            transition: background 0.3s ease, color 0.3s ease;
         }
 
         code, pre, .mono {
@@ -98,10 +159,7 @@
         /* Ambient background */
         .ambient {
             position: fixed;
-            top: 0;
-            left: 0;
-            width: 100%;
-            height: 100%;
+            inset: 0;
             pointer-events: none;
             z-index: 0;
         }
@@ -112,7 +170,7 @@
             left: 30%;
             width: 60%;
             height: 60%;
-            background: radial-gradient(ellipse, rgba(124, 91, 240, 0.08), transparent 70%);
+            background: radial-gradient(ellipse, var(--amb-1), transparent 70%);
             animation: pulse 8s ease-in-out infinite;
         }
         .ambient::after {
@@ -122,7 +180,7 @@
             right: 10%;
             width: 50%;
             height: 50%;
-            background: radial-gradient(ellipse, rgba(52, 211, 153, 0.04), transparent 70%);
+            background: radial-gradient(ellipse, var(--amb-2), transparent 70%);
             animation: pulse 10s ease-in-out infinite reverse;
         }
         @keyframes pulse {
@@ -137,11 +195,11 @@
             left: 0;
             right: 0;
             z-index: 100;
-            background: rgba(8, 8, 12, 0.8);
+            background: var(--nav-bg);
             backdrop-filter: blur(20px);
             -webkit-backdrop-filter: blur(20px);
             border-bottom: 1px solid transparent;
-            transition: border-color 0.3s;
+            transition: border-color 0.3s, background 0.3s;
         }
         nav.scrolled {
             border-bottom-color: var(--border);
@@ -154,6 +212,7 @@
             display: flex;
             align-items: center;
             justify-content: space-between;
+            gap: 16px;
         }
         .nav-logo {
             display: flex;
@@ -163,8 +222,9 @@
             color: var(--text);
             font-weight: 800;
             font-size: 1.2rem;
+            flex-shrink: 0;
         }
-        .nav-logo img {
+        .nav-logo img, .nav-logo svg {
             width: 32px;
             height: 32px;
             border-radius: 8px;
@@ -184,6 +244,79 @@
         .nav-links a:hover {
             color: var(--text);
         }
+        .nav-actions {
+            display: flex;
+            align-items: center;
+            gap: 8px;
+            flex-shrink: 0;
+        }
+
+        /* Icon button + language select */
+        .icon-btn {
+            display: inline-flex;
+            align-items: center;
+            justify-content: center;
+            width: 40px;
+            height: 40px;
+            border-radius: 10px;
+            background: var(--bg-card);
+            border: 1px solid var(--border);
+            color: var(--text-dim);
+            cursor: pointer;
+            transition: all 0.2s;
+        }
+        .icon-btn:hover {
+            color: var(--text);
+            border-color: var(--border-hover);
+            background: var(--bg-card-hover);
+        }
+        .lang-wrap {
+            position: relative;
+            display: inline-flex;
+            align-items: center;
+        }
+        .lang-wrap svg.globe {
+            position: absolute;
+            left: 10px;
+            pointer-events: none;
+            color: var(--text-dim);
+        }
+        .lang-select {
+            appearance: none;
+            -webkit-appearance: none;
+            background: var(--bg-card);
+            border: 1px solid var(--border);
+            color: var(--text);
+            font: inherit;
+            font-size: 0.85rem;
+            font-weight: 600;
+            height: 40px;
+            padding: 0 30px 0 32px;
+            border-radius: 10px;
+            cursor: pointer;
+            transition: all 0.2s;
+        }
+        .lang-select:hover {
+            border-color: var(--border-hover);
+            background: var(--bg-card-hover);
+        }
+        .lang-wrap::after {
+            content: '';
+            position: absolute;
+            right: 12px;
+            width: 7px;
+            height: 7px;
+            border-right: 2px solid var(--text-dim);
+            border-bottom: 2px solid var(--text-dim);
+            transform: rotate(45deg) translateY(-2px);
+            pointer-events: none;
+        }
+        .theme-toggle .moon { display: none; }
+        :root[data-theme="light"] .theme-toggle .sun { display: none; }
+        :root[data-theme="light"] .theme-toggle .moon { display: block; }
+
+        /* Mobile menu toggle */
+        .menu-btn { display: none; }
 
         /* Container */
         .container {
@@ -229,7 +362,7 @@
             50% { opacity: 0.3; }
         }
         .hero h1 {
-            font-size: clamp(2.8rem, 6vw, 4.5rem);
+            font-size: clamp(2.6rem, 6vw, 4.5rem);
             font-weight: 800;
             letter-spacing: -0.03em;
             line-height: 1.1;
@@ -244,7 +377,7 @@
         .hero p {
             font-size: 1.2rem;
             color: var(--text-dim);
-            max-width: 600px;
+            max-width: 620px;
             margin: 0 auto 40px;
             line-height: 1.7;
         }
@@ -288,15 +421,15 @@
             transform: translateY(-1px);
         }
 
-        /* Terminal preview */
+        /* Terminal preview — always dark for contrast */
         .terminal {
             max-width: 700px;
             margin: 0 auto;
             border-radius: 16px;
-            background: var(--bg-card);
-            border: 1px solid var(--border);
+            background: #0d0d14;
+            border: 1px solid #1e1e2a;
             overflow: hidden;
-            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4), 0 0 40px var(--accent-glow);
+            box-shadow: var(--shadow), 0 0 40px var(--accent-glow);
             text-align: left;
         }
         .terminal-bar {
@@ -305,7 +438,7 @@
             gap: 8px;
             padding: 14px 18px;
             background: rgba(255, 255, 255, 0.03);
-            border-bottom: 1px solid var(--border);
+            border-bottom: 1px solid #1e1e2a;
         }
         .terminal-dot {
             width: 12px;
@@ -319,21 +452,16 @@
             padding: 20px 24px;
             font-size: 0.9rem;
             line-height: 1.8;
+            color: #e4e4ed;
+            overflow-x: auto;
         }
-        .terminal-body .prompt {
-            color: var(--accent-light);
-        }
-        .terminal-body .cmd {
-            color: var(--text);
-        }
-        .terminal-body .comment {
-            color: var(--text-dim);
-        }
-        .terminal-body .output {
-            color: var(--green);
-        }
+        .terminal-body .prompt { color: #a78bfa; }
+        .terminal-body .cmd { color: #e4e4ed; }
+        .terminal-body .comment { color: #8888a0; }
+        .terminal-body .output { color: #34d399; }
 
         /* Section header */
+        .section-head { text-align: center; }
         .section-label {
             text-transform: uppercase;
             font-size: 0.85rem;
@@ -351,7 +479,7 @@
         .section-desc {
             color: var(--text-dim);
             font-size: 1.05rem;
-            max-width: 600px;
+            max-width: 620px;
             margin: 0 auto 60px;
             line-height: 1.7;
         }
@@ -421,6 +549,7 @@
         .source-pill:hover {
             border-color: var(--border-hover);
             background: var(--bg-card-hover);
+            transform: translateY(-1px);
         }
         .source-dot {
             width: 8px;
@@ -451,11 +580,11 @@
         .step::before {
             content: counter(step);
             position: absolute;
-            top: 28px;
+            top: 24px;
             right: 28px;
             font-size: 2rem;
             font-weight: 800;
-            color: rgba(124, 91, 240, 0.15);
+            color: var(--accent-glow);
         }
         .step h3 {
             font-size: 1.05rem;
@@ -530,19 +659,58 @@
 
         /* Footer */
         footer {
-            padding: 40px 0;
-            text-align: center;
+            padding: 56px 0 40px;
             border-top: 1px solid var(--border);
             color: var(--text-dim);
             font-size: 0.85rem;
         }
-        footer a {
+        .footer-inner {
+            display: flex;
+            flex-direction: column;
+            align-items: center;
+            gap: 20px;
+            text-align: center;
+        }
+        .footer-brand {
+            display: flex;
+            align-items: center;
+            gap: 10px;
+            font-weight: 800;
+            font-size: 1.05rem;
+            color: var(--text);
+        }
+        .footer-brand svg { width: 28px; height: 28px; border-radius: 7px; }
+        .footer-tagline { max-width: 420px; line-height: 1.6; }
+        .footer-social {
+            display: flex;
+            gap: 12px;
+        }
+        .footer-social a {
+            display: inline-flex;
+            align-items: center;
+            justify-content: center;
+            width: 42px;
+            height: 42px;
+            border-radius: 11px;
+            background: var(--bg-card);
+            border: 1px solid var(--border);
+            color: var(--text-dim);
+            transition: all 0.2s;
+        }
+        .footer-social a:hover {
+            color: var(--text);
+            border-color: var(--border-hover);
+            background: var(--bg-card-hover);
+            transform: translateY(-2px);
+        }
+        .footer-meta {
+            color: var(--text-dim);
+        }
+        .footer-meta a {
             color: var(--accent-light);
             text-decoration: none;
         }
-        footer a:hover {
-            text-decoration: underline;
-        }
+        .footer-meta a:hover { text-decoration: underline; }
 
         /* Fade in */
         .fade-in {
@@ -554,8 +722,44 @@
             opacity: 1;
             transform: translateY(0);
         }
+        @media (prefers-reduced-motion: reduce) {
+            .fade-in { opacity: 1; transform: none; transition: none; }
+            .ambient::before, .ambient::after { animation: none; }
+            html { scroll-behavior: auto; }
+        }
 
         /* Responsive */
+        @media (max-width: 860px) {
+            .menu-btn { display: inline-flex; }
+            .nav-links {
+                position: absolute;
+                top: 64px;
+                left: 0;
+                right: 0;
+                flex-direction: column;
+                align-items: flex-start;
+                gap: 4px;
+                padding: 12px 24px 20px;
+                background: var(--nav-bg);
+                backdrop-filter: blur(20px);
+                -webkit-backdrop-filter: blur(20px);
+                border-bottom: 1px solid var(--border);
+                transform: translateY(-8px);
+                opacity: 0;
+                pointer-events: none;
+                transition: opacity 0.2s, transform 0.2s;
+            }
+            .nav-links.open {
+                transform: translateY(0);
+                opacity: 1;
+                pointer-events: auto;
+            }
+            .nav-links a {
+                width: 100%;
+                padding: 10px 4px;
+                font-size: 1rem;
+            }
+        }
         @media (max-width: 768px) {
             .features-grid,
             .steps,
@@ -566,17 +770,26 @@
                 grid-column: span 1;
             }
             section {
-                padding: 60px 0;
+                padding: 64px 0;
             }
             .hero {
                 padding-top: 120px;
-            }
-            .nav-links {
-                gap: 16px;
+                padding-bottom: 72px;
             }
             .cta-box {
                 padding: 40px 24px;
             }
+            .lang-select {
+                padding-right: 26px;
+                font-size: 0;
+            }
+            .lang-select option { font-size: 1rem; }
+            .lang-wrap svg.globe { left: 11px; }
+            .lang-select { padding-left: 30px; padding-right: 24px; width: 54px; }
+        }
+        @media (max-width: 400px) {
+            .nav-inner { padding: 0 16px; }
+            .container { padding: 0 16px; }
         }
     </style>
 </head>
@@ -587,8 +800,8 @@
 <!-- Nav -->
 <nav id="nav">
     <div class="nav-inner">
-        <a href="#" class="nav-logo">
-            <svg width="32" height="32" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg">
+        <a href="#" class="nav-logo" aria-label="Zero Layer — home">
+            <svg width="32" height="32" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" aria-hidden="true">
                 <defs><linearGradient id="logo-grad" x1="0" y1="0" x2="1" y2="1"><stop offset="0" stop-color="#7c5bf0"/><stop offset="1" stop-color="#a78bfa"/></linearGradient></defs>
                 <rect width="32" height="32" rx="8" fill="url(#logo-grad)"/>
                 <path d="M10 11h10.5l-8.5 10h10.5" stroke="white" stroke-width="2.8" stroke-linecap="round" stroke-linejoin="round" fill="none"/>
@@ -596,13 +809,34 @@
             </svg>
             Zero Layer
         </a>
-        <div class="nav-links">
-            <a href="#features">Features</a>
-            <a href="#sources">Sources</a>
-            <a href="#how-it-works">How It Works</a>
-            <a href="#stack">Stack</a>
+
+        <div class="nav-links" id="nav-links">
+            <a href="#features" data-i18n="nav_features">Features</a>
+            <a href="#sources" data-i18n="nav_sources">Sources</a>
+            <a href="#how-it-works" data-i18n="nav_how">How It Works</a>
+            <a href="#stack" data-i18n="nav_stack">Stack</a>
             <a href="https://github.com/supercosti21/zero_layer" target="_blank" rel="noopener">GitHub</a>
         </div>
+
+        <div class="nav-actions">
+            <div class="lang-wrap">
+                <svg class="globe" width="15" height="15" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" aria-hidden="true"><circle cx="12" cy="12" r="10"/><line x1="2" y1="12" x2="22" y2="12"/><path d="M12 2a15.3 15.3 0 0 1 4 10 15.3 15.3 0 0 1-4 10 15.3 15.3 0 0 1-4-10 15.3 15.3 0 0 1 4-10z"/></svg>
+                <select class="lang-select" id="lang-select" aria-label="Language">
+                    <option value="en">English</option>
+                    <option value="it">Italiano</option>
+                    <option value="fr">Français</option>
+                    <option value="es">Español</option>
+                    <option value="de">Deutsch</option>
+                </select>
+            </div>
+            <button class="icon-btn theme-toggle" id="theme-toggle" aria-label="Toggle theme" type="button">
+                <svg class="sun" width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" aria-hidden="true"><circle cx="12" cy="12" r="4"/><path d="M12 2v2M12 20v2M4.9 4.9l1.4 1.4M17.7 17.7l1.4 1.4M2 12h2M20 12h2M4.9 19.1l1.4-1.4M17.7 6.3l1.4-1.4"/></svg>
+                <svg class="moon" width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><path d="M21 12.8A9 9 0 1 1 11.2 3a7 7 0 0 0 9.8 9.8z"/></svg>
+            </button>
+            <button class="icon-btn menu-btn" id="menu-btn" aria-label="Menu" aria-expanded="false" type="button">
+                <svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" aria-hidden="true"><line x1="3" y1="6" x2="21" y2="6"/><line x1="3" y1="12" x2="21" y2="12"/><line x1="3" y1="18" x2="21" y2="18"/></svg>
+            </button>
+        </div>
     </div>
 </nav>
 
@@ -613,24 +847,24 @@
         <div class="fade-in">
             <div class="badge">
                 <span class="dot"></span>
-                Open Source &mdash; MIT License
+                <span data-i18n="badge">Open Source — MIT License</span>
             </div>
         </div>
         <h1 class="fade-in">
-            One command.<br>
-            <span class="gradient">Any package. Any distro.</span>
+            <span data-i18n="hero_h1_1">One command.</span><br>
+            <span class="gradient" data-i18n="hero_h1_2">Any package. Any distro.</span>
         </h1>
-        <p class="fade-in">
+        <p class="fade-in" data-i18n="hero_p">
             Zero Layer is a universal Linux package manager that translates binaries natively at install time. No containers, no VMs, zero runtime overhead. Written in Rust.
         </p>
         <div class="hero-buttons fade-in">
             <a href="https://github.com/supercosti21/zero_layer/releases/latest" class="btn btn-primary">
-                <svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M21 15v4a2 2 0 01-2 2H5a2 2 0 01-2-2v-4"/><polyline points="7 10 12 15 17 10"/><line x1="12" y1="15" x2="12" y2="3"/></svg>
-                Download
+                <svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><path d="M21 15v4a2 2 0 01-2 2H5a2 2 0 01-2-2v-4"/><polyline points="7 10 12 15 17 10"/><line x1="12" y1="15" x2="12" y2="3"/></svg>
+                <span data-i18n="btn_download">Download</span>
             </a>
             <a href="https://github.com/supercosti21/zero_layer" class="btn btn-secondary" target="_blank" rel="noopener">
-                <svg width="18" height="18" viewBox="0 0 24 24" fill="currentColor"><path d="M12 0c-6.626 0-12 5.373-12 12 0 5.302 3.438 9.8 8.207 11.387.599.111.793-.261.793-.577v-2.234c-3.338.726-4.033-1.416-4.033-1.416-.546-1.387-1.333-1.756-1.333-1.756-1.089-.745.083-.729.083-.729 1.205.084 1.839 1.237 1.839 1.237 1.07 1.834 2.807 1.304 3.492.997.107-.775.418-1.305.762-1.604-2.665-.305-5.467-1.334-5.467-5.931 0-1.311.469-2.381 1.236-3.221-.124-.303-.535-1.524.117-3.176 0 0 1.008-.322 3.301 1.23.957-.266 1.983-.399 3.003-.404 1.02.005 2.047.138 3.006.404 2.291-1.552 3.297-1.23 3.297-1.23.653 1.653.242 2.874.118 3.176.77.84 1.235 1.911 1.235 3.221 0 4.609-2.807 5.624-5.479 5.921.43.372.823 1.102.823 2.222v3.293c0 .319.192.694.801.576 4.765-1.589 8.199-6.086 8.199-11.386 0-6.627-5.373-12-12-12z"/></svg>
-                View Source
+                <svg width="18" height="18" viewBox="0 0 24 24" fill="currentColor" aria-hidden="true"><path d="M12 0c-6.626 0-12 5.373-12 12 0 5.302 3.438 9.8 8.207 11.387.599.111.793-.261.793-.577v-2.234c-3.338.726-4.033-1.416-4.033-1.416-.546-1.387-1.333-1.756-1.333-1.756-1.089-.745.083-.729.083-.729 1.205.084 1.839 1.237 1.839 1.237 1.07 1.834 2.807 1.304 3.492.997.107-.775.418-1.305.762-1.604-2.665-.305-5.467-1.334-5.467-5.931 0-1.311.469-2.381 1.236-3.221-.124-.303-.535-1.524.117-3.176 0 0 1.008-.322 3.301 1.23.957-.266 1.983-.399 3.003-.404 1.02.005 2.047.138 3.006.404 2.291-1.552 3.297-1.23 3.297-1.23.653 1.653.242 2.874.118 3.176.77.84 1.235 1.911 1.235 3.221 0 4.609-2.807 5.624-5.479 5.921.43.372.823 1.102.823 2.222v3.293c0 .319.192.694.801.576 4.765-1.589 8.199-6.086 8.199-11.386 0-6.627-5.373-12-12-12z"/></svg>
+                <span data-i18n="btn_source">View Source</span>
             </a>
         </div>
 
@@ -643,67 +877,67 @@ <h1 class="fade-in">
             </div>
             <div class="terminal-body">
                 <div><span class="prompt">$</span> <span class="cmd">zl install firefox --from pacman</span></div>
-                <div class="comment"># Arch package on Ubuntu? No problem.</div>
+                <div class="comment" data-i18n="term_c1"># An Arch package on Ubuntu? No problem.</div>
                 <div style="margin-top: 10px"><span class="prompt">$</span> <span class="cmd">zl install sharkdp/bat --from github</span></div>
                 <div class="output">&#10003; Downloaded bat-v0.24.0-x86_64-unknown-linux-gnu.tar.gz</div>
                 <div class="output">&#10003; Patched 1 ELF binary (interpreter + RUNPATH)</div>
                 <div class="output">&#10003; Installed bat 0.24.0 [3 files, 2.1 MB]</div>
                 <div style="margin-top: 10px"><span class="prompt">$</span> <span class="cmd">zl search vim --from pacman,apt,nix</span></div>
-                <div class="comment"># Search across 13 sources simultaneously</div>
+                <div class="comment" data-i18n="term_c2"># Search across 13 sources simultaneously</div>
             </div>
         </div>
     </section>
 
     <!-- Features -->
     <section id="features">
-        <div class="text-center fade-in" style="text-align: center;">
-            <div class="section-label">Features</div>
-            <h2 class="section-title">Everything you need</h2>
-            <p class="section-desc">
-                A single binary that replaces the need for containers, VMs, or compatibility layers. Install anything, anywhere.
+        <div class="section-head fade-in">
+            <div class="section-label" data-i18n="feat_label">Features</div>
+            <h2 class="section-title" data-i18n="feat_title">Everything you need</h2>
+            <p class="section-desc" data-i18n="feat_desc">
+                A single binary that replaces containers, VMs, and compatibility layers. Install anything, anywhere.
             </p>
         </div>
 
         <div class="features-grid">
             <div class="feature-card wide fade-in">
                 <div class="feature-icon" style="background: rgba(124, 91, 240, 0.15); color: var(--accent-light);">&#9881;</div>
-                <h3>Native Binary Translation</h3>
-                <p>ELF binaries are analyzed with goblin and patched with elb at install time. Dynamic linker and RUNPATH are set to match your system. Packages run at full native speed with zero overhead.</p>
+                <h3 data-i18n="f1_t">Native Binary Translation</h3>
+                <p data-i18n="f1_d">ELF binaries are analyzed with goblin and patched with elb at install time. The dynamic linker and RUNPATH are set to match your system. Packages then run at full native speed with zero overhead.</p>
             </div>
             <div class="feature-card fade-in">
                 <div class="feature-icon" style="background: rgba(52, 211, 153, 0.15); color: var(--green);">&#9889;</div>
-                <h3>13 Package Sources</h3>
-                <p>pacman, apt, dnf, AUR, Nix, Flatpak, Snap, AppImage, GitHub Releases, and more. All queried in parallel.</p>
+                <h3 data-i18n="f2_t">13 Package Sources</h3>
+                <p data-i18n="f2_d">pacman, apt, dnf, AUR, Nix, Flatpak, Snap, AppImage, GitHub Releases, and more — all queried in parallel.</p>
             </div>
             <div class="feature-card fade-in">
                 <div class="feature-icon" style="background: rgba(96, 165, 250, 0.15); color: var(--blue);">&#128270;</div>
-                <h3>Smart Search</h3>
-                <p>Relevance-scored results across all sources. Exact matches highlighted. AUR binary variants auto-discovered.</p>
+                <h3 data-i18n="f3_t">Smart Search</h3>
+                <p data-i18n="f3_d">Relevance-scored results across every source. Exact matches highlighted, AUR binary variants auto-discovered.</p>
             </div>
             <div class="feature-card fade-in">
                 <div class="feature-icon" style="background: rgba(251, 146, 60, 0.15); color: var(--orange);">&#128274;</div>
-                <h3>Atomic Transactions</h3>
-                <p>Every install is wrapped in a transaction. If anything fails, everything rolls back. No half-installed packages.</p>
+                <h3 data-i18n="f4_t">Atomic Transactions</h3>
+                <p data-i18n="f4_d">Every install is wrapped in a transaction. If anything fails, everything rolls back — no half-installed packages.</p>
             </div>
             <div class="feature-card fade-in">
                 <div class="feature-icon" style="background: rgba(244, 114, 182, 0.15); color: var(--pink);">&#128269;</div>
-                <h3>Cross-Source Deps</h3>
-                <p>Dependencies not found in the primary source are automatically searched across all other enabled sources.</p>
+                <h3 data-i18n="f5_t">Cross-Source Dependencies</h3>
+                <p data-i18n="f5_d">Dependencies missing from the primary source are searched automatically across every other enabled source.</p>
             </div>
             <div class="feature-card fade-in">
                 <div class="feature-icon" style="background: rgba(45, 212, 191, 0.15); color: var(--teal);">&#128736;</div>
-                <h3>Full Diagnostics</h3>
-                <p>doctor, audit, diff, size, history, rollback, why — everything you need to understand and manage your packages.</p>
+                <h3 data-i18n="f6_t">Full Diagnostics</h3>
+                <p data-i18n="f6_d">doctor, audit, diff, size, history, rollback, why — everything you need to understand and manage your packages.</p>
             </div>
         </div>
     </section>
 
     <!-- Sources -->
     <section id="sources">
-        <div style="text-align: center;" class="fade-in">
-            <div class="section-label">Sources</div>
-            <h2 class="section-title">13 sources, one interface</h2>
-            <p class="section-desc">Install from any Linux package repository or release platform. ZL handles the translation.</p>
+        <div class="section-head fade-in">
+            <div class="section-label" data-i18n="src_label">Sources</div>
+            <h2 class="section-title" data-i18n="src_title">13 sources, one interface</h2>
+            <p class="section-desc" data-i18n="src_desc">Install from any Linux repository or release platform — Zero Layer handles the translation.</p>
         </div>
         <div class="sources-wrap fade-in">
             <span class="source-pill"><span class="source-dot" style="background: var(--blue)"></span> pacman</span>
@@ -724,68 +958,68 @@ <h2 class="section-title">13 sources, one interface</h2>
 
     <!-- How it works -->
     <section id="how-it-works">
-        <div style="text-align: center;" class="fade-in">
-            <div class="section-label">How It Works</div>
-            <h2 class="section-title">Install in 4 steps</h2>
-            <p class="section-desc">All translation happens at install time. After that, binaries run at full native speed.</p>
+        <div class="section-head fade-in">
+            <div class="section-label" data-i18n="how_label">How It Works</div>
+            <h2 class="section-title" data-i18n="how_title">Install in 4 steps</h2>
+            <p class="section-desc" data-i18n="how_desc">All translation happens at install time. After that, binaries run at full native speed.</p>
         </div>
         <div class="steps fade-in">
             <div class="step">
-                <h3>Download</h3>
-                <p>Parallel downloads (4 threads) with progress bars, retries, and SHA256 verification. Packages are fetched directly from their native repositories.</p>
+                <h3 data-i18n="s1_t">Download</h3>
+                <p data-i18n="s1_d">Parallel downloads (4 threads) with progress bars, retries, and SHA256 verification. Packages are fetched straight from their native repositories.</p>
             </div>
             <div class="step">
-                <h3>Verify</h3>
-                <p>SHA256 checksums and GPG signatures are checked. The archive format is detected and extracted — deb, rpm, tar, nar, squashfs, zip, or AppImage.</p>
+                <h3 data-i18n="s2_t">Verify</h3>
+                <p data-i18n="s2_d">SHA256 checksums and GPG signatures are checked. The archive format is detected and extracted — deb, rpm, tar, nar, squashfs, zip, or AppImage.</p>
             </div>
             <div class="step">
-                <h3>Patch</h3>
-                <p>Every ELF binary is analyzed with goblin. The dynamic linker (PT_INTERP) and library search path (RUNPATH) are patched to match your system using elb. Parallel patching for multi-binary packages.</p>
+                <h3 data-i18n="s3_t">Patch</h3>
+                <p data-i18n="s3_d">Every ELF binary is analyzed with goblin. The dynamic linker (PT_INTERP) and library path (RUNPATH) are patched to match your system with elb — in parallel for multi-binary packages.</p>
             </div>
             <div class="step">
-                <h3>Install</h3>
-                <p>Files are placed atomically inside a transaction. If anything fails, everything rolls back. Dependencies, files, and history are tracked in a redb database.</p>
+                <h3 data-i18n="s4_t">Install</h3>
+                <p data-i18n="s4_d">Files are placed atomically inside a transaction. If anything fails, everything rolls back. Dependencies, files, and history are tracked in a redb database.</p>
             </div>
         </div>
     </section>
 
     <!-- Tech Stack -->
     <section id="stack">
-        <div style="text-align: center;" class="fade-in">
-            <div class="section-label">Tech Stack</div>
-            <h2 class="section-title">Built with Rust</h2>
-            <p class="section-desc">Single binary, zero C dependencies. Pure Rust from ELF parsing to database storage.</p>
+        <div class="section-head fade-in">
+            <div class="section-label" data-i18n="stack_label">Tech Stack</div>
+            <h2 class="section-title" data-i18n="stack_title">Built with Rust</h2>
+            <p class="section-desc" data-i18n="stack_desc">Single binary, zero C dependencies. Pure Rust from ELF parsing to database storage.</p>
         </div>
         <div class="stack-grid fade-in">
             <a href="https://www.rust-lang.org" target="_blank" rel="noopener" class="stack-card">
                 <div class="stack-icon" style="background: rgba(251, 146, 60, 0.15); color: var(--orange);">&#129408;</div>
                 <h3>Rust</h3>
-                <p>Memory-safe, fast, single binary. Edition 2024 with zero unsafe code in the main crate.</p>
+                <p data-i18n="st_rust_d">Memory-safe, fast, single binary. Edition 2024 with zero unsafe code in the main crate.</p>
             </a>
             <a href="https://github.com/m4b/goblin" target="_blank" rel="noopener" class="stack-card">
                 <div class="stack-icon" style="background: rgba(96, 165, 250, 0.15); color: var(--blue);">&#128065;</div>
                 <h3>goblin + elb</h3>
-                <p>Pure Rust ELF analysis and binary patching. Read metadata, set interpreter and RUNPATH.</p>
+                <p data-i18n="st_goblin_d">Pure Rust ELF analysis and binary patching. Read metadata, set the interpreter and RUNPATH.</p>
             </a>
             <a href="https://www.redb.org" target="_blank" rel="noopener" class="stack-card">
                 <div class="stack-icon" style="background: rgba(52, 211, 153, 0.15); color: var(--green);">&#128451;</div>
                 <h3>redb</h3>
-                <p>Embedded key-value database. ACID transactions, pure Rust. No SQLite, no C dependencies.</p>
+                <p data-i18n="st_redb_d">Embedded key-value database. ACID transactions, pure Rust — no SQLite, no C dependencies.</p>
             </a>
             <div class="stack-card">
                 <div class="stack-icon" style="background: rgba(244, 114, 182, 0.15); color: var(--pink);">&#128200;</div>
                 <h3>petgraph</h3>
-                <p>Dependency graph with topological sort, cycle detection, and orphan analysis.</p>
+                <p data-i18n="st_petgraph_d">Dependency graph with topological sort, cycle detection, and orphan analysis.</p>
             </div>
             <div class="stack-card">
                 <div class="stack-icon" style="background: rgba(124, 91, 240, 0.15); color: var(--accent-light);">&#128187;</div>
                 <h3>clap</h3>
-                <p>CLI parsing with derive macros. Shell completions for bash, zsh, and fish.</p>
+                <p data-i18n="st_clap_d">CLI parsing with derive macros. Shell completions for bash, zsh, and fish.</p>
             </div>
             <div class="stack-card">
                 <div class="stack-icon" style="background: rgba(45, 212, 191, 0.15); color: var(--teal);">&#128230;</div>
-                <h3>264 Tests</h3>
-                <p>Comprehensive unit tests across all core modules. CI runs fmt, clippy, and tests on every push.</p>
+                <h3 data-i18n="st_tests_t">349 Tests</h3>
+                <p data-i18n="st_tests_d">Comprehensive unit tests across all core modules. CI runs fmt, clippy, and tests on every push.</p>
             </div>
         </div>
     </section>
@@ -793,15 +1027,15 @@ <h3>264 Tests</h3>
     <!-- CTA -->
     <section class="fade-in">
         <div class="cta-box">
-            <h2>Ready to try Zero Layer?</h2>
-            <p>One curl command and you're up and running. Works on any Linux distro.</p>
+            <h2 data-i18n="cta_title">Ready to try Zero Layer?</h2>
+            <p data-i18n="cta_p">Grab the latest release and you're up and running. Works on any Linux distro.</p>
             <div class="hero-buttons">
                 <a href="https://github.com/supercosti21/zero_layer/releases/latest" class="btn btn-primary">
-                    <svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M21 15v4a2 2 0 01-2 2H5a2 2 0 01-2-2v-4"/><polyline points="7 10 12 15 17 10"/><line x1="12" y1="15" x2="12" y2="3"/></svg>
-                    Download Latest Release
+                    <svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><path d="M21 15v4a2 2 0 01-2 2H5a2 2 0 01-2-2v-4"/><polyline points="7 10 12 15 17 10"/><line x1="12" y1="15" x2="12" y2="3"/></svg>
+                    <span data-i18n="cta_btn1">Download Latest Release</span>
                 </a>
                 <a href="https://github.com/supercosti21/zero_layer" class="btn btn-secondary" target="_blank" rel="noopener">
-                    View on GitHub
+                    <span data-i18n="cta_btn2">View on GitHub</span>
                 </a>
             </div>
         </div>
@@ -812,27 +1046,307 @@ <h2>Ready to try Zero Layer?</h2>
 <!-- Footer -->
 <footer>
     <div class="container">
-        Built by <a href="https://github.com/supercosti21" target="_blank" rel="noopener">supercosti21</a> &mdash; Licensed under <a href="https://github.com/supercosti21/zero_layer/blob/main/LICENSE" target="_blank" rel="noopener">MIT License</a>
+        <div class="footer-inner">
+            <div class="footer-brand">
+                <svg viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg" aria-hidden="true">
+                    <defs><linearGradient id="foot-grad" x1="0" y1="0" x2="1" y2="1"><stop offset="0" stop-color="#7c5bf0"/><stop offset="1" stop-color="#a78bfa"/></linearGradient></defs>
+                    <rect width="32" height="32" rx="8" fill="url(#foot-grad)"/>
+                    <path d="M10 11h10.5l-8.5 10h10.5" stroke="white" stroke-width="2.8" stroke-linecap="round" stroke-linejoin="round" fill="none"/>
+                    <circle cx="24" cy="11" r="1.6" fill="white" opacity="0.85"/>
+                </svg>
+                Zero Layer
+            </div>
+            <p class="footer-tagline" data-i18n="footer_tagline">Universal Linux package manager with native binary translation — install from any source, on any distro, with zero runtime overhead.</p>
+
+            <div class="footer-social">
+                <a href="https://github.com/supercosti21/zero_layer" target="_blank" rel="noopener" aria-label="GitHub">
+                    <svg width="20" height="20" viewBox="0 0 24 24" fill="currentColor" aria-hidden="true"><path d="M12 0c-6.626 0-12 5.373-12 12 0 5.302 3.438 9.8 8.207 11.387.599.111.793-.261.793-.577v-2.234c-3.338.726-4.033-1.416-4.033-1.416-.546-1.387-1.333-1.756-1.333-1.756-1.089-.745.083-.729.083-.729 1.205.084 1.839 1.237 1.839 1.237 1.07 1.834 2.807 1.304 3.492.997.107-.775.418-1.305.762-1.604-2.665-.305-5.467-1.334-5.467-5.931 0-1.311.469-2.381 1.236-3.221-.124-.303-.535-1.524.117-3.176 0 0 1.008-.322 3.301 1.23.957-.266 1.983-.399 3.003-.404 1.02.005 2.047.138 3.006.404 2.291-1.552 3.297-1.23 3.297-1.23.653 1.653.242 2.874.118 3.176.77.84 1.235 1.911 1.235 3.221 0 4.609-2.807 5.624-5.479 5.921.43.372.823 1.102.823 2.222v3.293c0 .319.192.694.801.576 4.765-1.589 8.199-6.086 8.199-11.386 0-6.627-5.373-12-12-12z"/></svg>
+                </a>
+                <!-- Instagram -->
+                <a href="https://www.instagram.com/costabilepaolo_" target="_blank" rel="noopener" aria-label="Instagram" data-social="instagram">
+                    <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><rect x="2" y="2" width="20" height="20" rx="5"/><circle cx="12" cy="12" r="4"/><line x1="17.5" y1="6.5" x2="17.51" y2="6.5"/></svg>
+                </a>
+                <!-- Telegram -->
+                <a href="https://t.me/costabilepaolo" target="_blank" rel="noopener" aria-label="Telegram" data-social="telegram">
+                    <svg width="20" height="20" viewBox="0 0 24 24" fill="currentColor" aria-hidden="true"><path d="M21.94 4.28a1.5 1.5 0 0 0-1.56-.23L3.4 10.87c-1.1.43-1.07 2 .05 2.38l4.3 1.43 1.64 5.16a1 1 0 0 0 1.63.43l2.4-2.18 4.35 3.2a1.5 1.5 0 0 0 2.36-.9l3.2-14.9a1.5 1.5 0 0 0-.44-1.4zM9.9 14.3l7.53-6.8-6.2 7.35a1 1 0 0 0-.24.55l-.28 2.2z"/></svg>
+                </a>
+            </div>
+
+            <div class="footer-meta">
+                <span data-i18n="footer_builtby">Built by</span>
+                <a href="https://github.com/supercosti21" target="_blank" rel="noopener">supercosti21</a>
+                &mdash;
+                <span data-i18n="footer_license">Licensed under</span>
+                <a href="https://github.com/supercosti21/zero_layer/blob/main/LICENSE" target="_blank" rel="noopener">MIT License</a>
+            </div>
+        </div>
     </div>
 </footer>
 
 <script>
-    // Scroll nav border
-    const nav = document.getElementById('nav');
-    window.addEventListener('scroll', () => {
-        nav.classList.toggle('scrolled', window.scrollY > 10);
-    });
+    // ---- i18n dictionary (EN default) ----
+    const I18N = {
+        en: {
+            nav_features: "Features", nav_sources: "Sources", nav_how: "How It Works", nav_stack: "Stack",
+            badge: "Open Source — MIT License",
+            hero_h1_1: "One command.", hero_h1_2: "Any package. Any distro.",
+            hero_p: "Zero Layer is a universal Linux package manager that translates binaries natively at install time. No containers, no VMs, zero runtime overhead. Written in Rust.",
+            btn_download: "Download", btn_source: "View Source",
+            term_c1: "# An Arch package on Ubuntu? No problem.",
+            term_c2: "# Search across 13 sources simultaneously",
+            feat_label: "Features", feat_title: "Everything you need",
+            feat_desc: "A single binary that replaces containers, VMs, and compatibility layers. Install anything, anywhere.",
+            f1_t: "Native Binary Translation", f1_d: "ELF binaries are analyzed with goblin and patched with elb at install time. The dynamic linker and RUNPATH are set to match your system. Packages then run at full native speed with zero overhead.",
+            f2_t: "13 Package Sources", f2_d: "pacman, apt, dnf, AUR, Nix, Flatpak, Snap, AppImage, GitHub Releases, and more — all queried in parallel.",
+            f3_t: "Smart Search", f3_d: "Relevance-scored results across every source. Exact matches highlighted, AUR binary variants auto-discovered.",
+            f4_t: "Atomic Transactions", f4_d: "Every install is wrapped in a transaction. If anything fails, everything rolls back — no half-installed packages.",
+            f5_t: "Cross-Source Dependencies", f5_d: "Dependencies missing from the primary source are searched automatically across every other enabled source.",
+            f6_t: "Full Diagnostics", f6_d: "doctor, audit, diff, size, history, rollback, why — everything you need to understand and manage your packages.",
+            src_label: "Sources", src_title: "13 sources, one interface",
+            src_desc: "Install from any Linux repository or release platform — Zero Layer handles the translation.",
+            how_label: "How It Works", how_title: "Install in 4 steps",
+            how_desc: "All translation happens at install time. After that, binaries run at full native speed.",
+            s1_t: "Download", s1_d: "Parallel downloads (4 threads) with progress bars, retries, and SHA256 verification. Packages are fetched straight from their native repositories.",
+            s2_t: "Verify", s2_d: "SHA256 checksums and GPG signatures are checked. The archive format is detected and extracted — deb, rpm, tar, nar, squashfs, zip, or AppImage.",
+            s3_t: "Patch", s3_d: "Every ELF binary is analyzed with goblin. The dynamic linker (PT_INTERP) and library path (RUNPATH) are patched to match your system with elb — in parallel for multi-binary packages.",
+            s4_t: "Install", s4_d: "Files are placed atomically inside a transaction. If anything fails, everything rolls back. Dependencies, files, and history are tracked in a redb database.",
+            stack_label: "Tech Stack", stack_title: "Built with Rust",
+            stack_desc: "Single binary, zero C dependencies. Pure Rust from ELF parsing to database storage.",
+            st_rust_d: "Memory-safe, fast, single binary. Edition 2024 with zero unsafe code in the main crate.",
+            st_goblin_d: "Pure Rust ELF analysis and binary patching. Read metadata, set the interpreter and RUNPATH.",
+            st_redb_d: "Embedded key-value database. ACID transactions, pure Rust — no SQLite, no C dependencies.",
+            st_petgraph_d: "Dependency graph with topological sort, cycle detection, and orphan analysis.",
+            st_clap_d: "CLI parsing with derive macros. Shell completions for bash, zsh, and fish.",
+            st_tests_t: "349 Tests", st_tests_d: "Comprehensive unit tests across all core modules. CI runs fmt, clippy, and tests on every push.",
+            cta_title: "Ready to try Zero Layer?", cta_p: "Grab the latest release and you're up and running. Works on any Linux distro.",
+            cta_btn1: "Download Latest Release", cta_btn2: "View on GitHub",
+            footer_tagline: "Universal Linux package manager with native binary translation — install from any source, on any distro, with zero runtime overhead.",
+            footer_builtby: "Built by", footer_license: "Licensed under"
+        },
+        it: {
+            nav_features: "Funzioni", nav_sources: "Sorgenti", nav_how: "Come funziona", nav_stack: "Stack",
+            badge: "Open Source — Licenza MIT",
+            hero_h1_1: "Un solo comando.", hero_h1_2: "Qualsiasi pacchetto. Qualsiasi distro.",
+            hero_p: "Zero Layer è un gestore di pacchetti universale per Linux che traduce i binari in modo nativo al momento dell'installazione. Niente container, niente VM, zero overhead a runtime. Scritto in Rust.",
+            btn_download: "Scarica", btn_source: "Vedi il codice",
+            term_c1: "# Un pacchetto Arch su Ubuntu? Nessun problema.",
+            term_c2: "# Cerca in 13 sorgenti contemporaneamente",
+            feat_label: "Funzioni", feat_title: "Tutto ciò che ti serve",
+            feat_desc: "Un unico binario che sostituisce container, VM e livelli di compatibilità. Installa qualsiasi cosa, ovunque.",
+            f1_t: "Traduzione nativa dei binari", f1_d: "I binari ELF vengono analizzati con goblin e modificati con elb al momento dell'installazione. Linker dinamico e RUNPATH vengono impostati per il tuo sistema. I pacchetti girano poi a piena velocità nativa, senza overhead.",
+            f2_t: "13 sorgenti di pacchetti", f2_d: "pacman, apt, dnf, AUR, Nix, Flatpak, Snap, AppImage, GitHub Releases e altre — tutte interrogate in parallelo.",
+            f3_t: "Ricerca intelligente", f3_d: "Risultati ordinati per rilevanza su tutte le sorgenti. Corrispondenze esatte evidenziate, varianti binarie AUR trovate in automatico.",
+            f4_t: "Transazioni atomiche", f4_d: "Ogni installazione è racchiusa in una transazione. Se qualcosa va storto, tutto torna indietro — nessun pacchetto installato a metà.",
+            f5_t: "Dipendenze cross-sorgente", f5_d: "Le dipendenze assenti dalla sorgente principale vengono cercate automaticamente in tutte le altre sorgenti attive.",
+            f6_t: "Diagnostica completa", f6_d: "doctor, audit, diff, size, history, rollback, why — tutto ciò che serve per capire e gestire i tuoi pacchetti.",
+            src_label: "Sorgenti", src_title: "13 sorgenti, un'unica interfaccia",
+            src_desc: "Installa da qualsiasi repository Linux o piattaforma di release — alla traduzione pensa Zero Layer.",
+            how_label: "Come funziona", how_title: "Installa in 4 passi",
+            how_desc: "Tutta la traduzione avviene all'installazione. Dopo, i binari girano a piena velocità nativa.",
+            s1_t: "Scarica", s1_d: "Download in parallelo (4 thread) con barre di avanzamento, ritentativi e verifica SHA256. I pacchetti sono scaricati direttamente dai repository nativi.",
+            s2_t: "Verifica", s2_d: "Vengono controllati checksum SHA256 e firme GPG. Il formato dell'archivio è riconosciuto ed estratto — deb, rpm, tar, nar, squashfs, zip o AppImage.",
+            s3_t: "Patch", s3_d: "Ogni binario ELF è analizzato con goblin. Linker dinamico (PT_INTERP) e percorso delle librerie (RUNPATH) vengono adattati al tuo sistema con elb — in parallelo per i pacchetti con più binari.",
+            s4_t: "Installa", s4_d: "I file vengono posizionati in modo atomico dentro una transazione. Se qualcosa fallisce, tutto torna indietro. Dipendenze, file e cronologia sono tracciati in un database redb.",
+            stack_label: "Stack tecnologico", stack_title: "Costruito in Rust",
+            stack_desc: "Binario unico, zero dipendenze C. Rust puro, dal parsing ELF allo storage del database.",
+            st_rust_d: "Sicuro in memoria, veloce, binario unico. Edition 2024, zero codice unsafe nel crate principale.",
+            st_goblin_d: "Analisi ELF e patching dei binari in Rust puro. Legge i metadati, imposta interprete e RUNPATH.",
+            st_redb_d: "Database chiave-valore embedded. Transazioni ACID, Rust puro — niente SQLite, niente dipendenze C.",
+            st_petgraph_d: "Grafo delle dipendenze con ordinamento topologico, rilevamento dei cicli e analisi degli orfani.",
+            st_clap_d: "Parsing della CLI con macro derive. Completamenti shell per bash, zsh e fish.",
+            st_tests_t: "349 test", st_tests_d: "Test unitari completi su tutti i moduli principali. La CI esegue fmt, clippy e test a ogni push.",
+            cta_title: "Pronto a provare Zero Layer?", cta_p: "Scarica l'ultima release e sei operativo. Funziona su qualsiasi distro Linux.",
+            cta_btn1: "Scarica l'ultima release", cta_btn2: "Guarda su GitHub",
+            footer_tagline: "Gestore di pacchetti universale per Linux con traduzione nativa dei binari — installa da qualsiasi sorgente, su qualsiasi distro, con zero overhead a runtime.",
+            footer_builtby: "Creato da", footer_license: "Rilasciato sotto"
+        },
+        fr: {
+            nav_features: "Fonctions", nav_sources: "Sources", nav_how: "Fonctionnement", nav_stack: "Stack",
+            badge: "Open Source — Licence MIT",
+            hero_h1_1: "Une seule commande.", hero_h1_2: "N'importe quel paquet. N'importe quelle distro.",
+            hero_p: "Zero Layer est un gestionnaire de paquets universel pour Linux qui traduit les binaires nativement au moment de l'installation. Sans conteneurs, sans VM, zéro surcoût à l'exécution. Écrit en Rust.",
+            btn_download: "Télécharger", btn_source: "Voir le code",
+            term_c1: "# Un paquet Arch sur Ubuntu ? Aucun souci.",
+            term_c2: "# Recherche dans 13 sources en même temps",
+            feat_label: "Fonctions", feat_title: "Tout ce qu'il vous faut",
+            feat_desc: "Un binaire unique qui remplace conteneurs, VM et couches de compatibilité. Installez tout, partout.",
+            f1_t: "Traduction native des binaires", f1_d: "Les binaires ELF sont analysés avec goblin et modifiés avec elb à l'installation. L'éditeur de liens dynamique et le RUNPATH sont réglés pour votre système. Les paquets s'exécutent ensuite à pleine vitesse native, sans surcoût.",
+            f2_t: "13 sources de paquets", f2_d: "pacman, apt, dnf, AUR, Nix, Flatpak, Snap, AppImage, GitHub Releases et plus — toutes interrogées en parallèle.",
+            f3_t: "Recherche intelligente", f3_d: "Résultats classés par pertinence sur toutes les sources. Correspondances exactes mises en avant, variantes binaires AUR détectées automatiquement.",
+            f4_t: "Transactions atomiques", f4_d: "Chaque installation est encapsulée dans une transaction. En cas d'échec, tout est annulé — aucun paquet installé à moitié.",
+            f5_t: "Dépendances inter-sources", f5_d: "Les dépendances absentes de la source principale sont recherchées automatiquement dans toutes les autres sources activées.",
+            f6_t: "Diagnostics complets", f6_d: "doctor, audit, diff, size, history, rollback, why — tout pour comprendre et gérer vos paquets.",
+            src_label: "Sources", src_title: "13 sources, une seule interface",
+            src_desc: "Installez depuis n'importe quel dépôt Linux ou plateforme de releases — Zero Layer gère la traduction.",
+            how_label: "Fonctionnement", how_title: "Installez en 4 étapes",
+            how_desc: "Toute la traduction se fait à l'installation. Ensuite, les binaires tournent à pleine vitesse native.",
+            s1_t: "Télécharger", s1_d: "Téléchargements parallèles (4 threads) avec barres de progression, nouvelles tentatives et vérification SHA256. Les paquets sont récupérés directement depuis leurs dépôts natifs.",
+            s2_t: "Vérifier", s2_d: "Les sommes SHA256 et signatures GPG sont contrôlées. Le format d'archive est détecté et extrait — deb, rpm, tar, nar, squashfs, zip ou AppImage.",
+            s3_t: "Patcher", s3_d: "Chaque binaire ELF est analysé avec goblin. L'éditeur de liens dynamique (PT_INTERP) et le chemin des bibliothèques (RUNPATH) sont ajustés à votre système avec elb — en parallèle pour les paquets multi-binaires.",
+            s4_t: "Installer", s4_d: "Les fichiers sont placés de façon atomique dans une transaction. En cas d'échec, tout est annulé. Dépendances, fichiers et historique sont suivis dans une base redb.",
+            stack_label: "Stack technique", stack_title: "Conçu en Rust",
+            stack_desc: "Binaire unique, zéro dépendance C. Du Rust pur, de l'analyse ELF au stockage en base de données.",
+            st_rust_d: "Sûr en mémoire, rapide, binaire unique. Édition 2024, zéro code unsafe dans le crate principal.",
+            st_goblin_d: "Analyse ELF et patch de binaires en Rust pur. Lit les métadonnées, règle l'interpréteur et le RUNPATH.",
+            st_redb_d: "Base clé-valeur embarquée. Transactions ACID, Rust pur — sans SQLite ni dépendances C.",
+            st_petgraph_d: "Graphe de dépendances avec tri topologique, détection de cycles et analyse des orphelins.",
+            st_clap_d: "Analyse CLI via macros derive. Complétions shell pour bash, zsh et fish.",
+            st_tests_t: "349 tests", st_tests_d: "Tests unitaires exhaustifs sur tous les modules clés. La CI exécute fmt, clippy et les tests à chaque push.",
+            cta_title: "Prêt à essayer Zero Layer ?", cta_p: "Récupérez la dernière version et c'est parti. Fonctionne sur n'importe quelle distro Linux.",
+            cta_btn1: "Télécharger la dernière version", cta_btn2: "Voir sur GitHub",
+            footer_tagline: "Gestionnaire de paquets universel pour Linux avec traduction native des binaires — installez depuis n'importe quelle source, sur n'importe quelle distro, sans surcoût à l'exécution.",
+            footer_builtby: "Créé par", footer_license: "Sous licence"
+        },
+        es: {
+            nav_features: "Funciones", nav_sources: "Fuentes", nav_how: "Cómo funciona", nav_stack: "Stack",
+            badge: "Código abierto — Licencia MIT",
+            hero_h1_1: "Un solo comando.", hero_h1_2: "Cualquier paquete. Cualquier distro.",
+            hero_p: "Zero Layer es un gestor de paquetes universal para Linux que traduce los binarios de forma nativa en el momento de la instalación. Sin contenedores, sin VM, cero sobrecarga en ejecución. Escrito en Rust.",
+            btn_download: "Descargar", btn_source: "Ver el código",
+            term_c1: "# ¿Un paquete de Arch en Ubuntu? Ningún problema.",
+            term_c2: "# Busca en 13 fuentes a la vez",
+            feat_label: "Funciones", feat_title: "Todo lo que necesitas",
+            feat_desc: "Un único binario que sustituye a contenedores, VM y capas de compatibilidad. Instala lo que sea, donde sea.",
+            f1_t: "Traducción nativa de binarios", f1_d: "Los binarios ELF se analizan con goblin y se parchean con elb al instalar. El enlazador dinámico y el RUNPATH se ajustan a tu sistema. Después, los paquetes corren a plena velocidad nativa, sin sobrecarga.",
+            f2_t: "13 fuentes de paquetes", f2_d: "pacman, apt, dnf, AUR, Nix, Flatpak, Snap, AppImage, GitHub Releases y más — todas consultadas en paralelo.",
+            f3_t: "Búsqueda inteligente", f3_d: "Resultados ordenados por relevancia en todas las fuentes. Coincidencias exactas resaltadas, variantes binarias de AUR detectadas automáticamente.",
+            f4_t: "Transacciones atómicas", f4_d: "Cada instalación se envuelve en una transacción. Si algo falla, todo se revierte — sin paquetes instalados a medias.",
+            f5_t: "Dependencias entre fuentes", f5_d: "Las dependencias que faltan en la fuente principal se buscan automáticamente en todas las demás fuentes activas.",
+            f6_t: "Diagnóstico completo", f6_d: "doctor, audit, diff, size, history, rollback, why — todo lo necesario para entender y gestionar tus paquetes.",
+            src_label: "Fuentes", src_title: "13 fuentes, una sola interfaz",
+            src_desc: "Instala desde cualquier repositorio de Linux o plataforma de releases — de la traducción se encarga Zero Layer.",
+            how_label: "Cómo funciona", how_title: "Instala en 4 pasos",
+            how_desc: "Toda la traducción ocurre al instalar. Después, los binarios corren a plena velocidad nativa.",
+            s1_t: "Descargar", s1_d: "Descargas en paralelo (4 hilos) con barras de progreso, reintentos y verificación SHA256. Los paquetes se obtienen directamente de sus repositorios nativos.",
+            s2_t: "Verificar", s2_d: "Se comprueban sumas SHA256 y firmas GPG. El formato del archivo se detecta y extrae — deb, rpm, tar, nar, squashfs, zip o AppImage.",
+            s3_t: "Parchear", s3_d: "Cada binario ELF se analiza con goblin. El enlazador dinámico (PT_INTERP) y la ruta de bibliotecas (RUNPATH) se ajustan a tu sistema con elb — en paralelo para paquetes con varios binarios.",
+            s4_t: "Instalar", s4_d: "Los archivos se colocan de forma atómica dentro de una transacción. Si algo falla, todo se revierte. Dependencias, archivos e historial se registran en una base de datos redb.",
+            stack_label: "Stack técnico", stack_title: "Hecho con Rust",
+            stack_desc: "Binario único, cero dependencias de C. Rust puro, del análisis ELF al almacenamiento en base de datos.",
+            st_rust_d: "Seguro en memoria, rápido, binario único. Edición 2024, cero código unsafe en el crate principal.",
+            st_goblin_d: "Análisis ELF y parcheo de binarios en Rust puro. Lee metadatos, fija el intérprete y el RUNPATH.",
+            st_redb_d: "Base clave-valor embebida. Transacciones ACID, Rust puro — sin SQLite ni dependencias de C.",
+            st_petgraph_d: "Grafo de dependencias con orden topológico, detección de ciclos y análisis de huérfanos.",
+            st_clap_d: "Análisis de CLI con macros derive. Autocompletado de shell para bash, zsh y fish.",
+            st_tests_t: "349 pruebas", st_tests_d: "Pruebas unitarias exhaustivas en todos los módulos clave. La CI ejecuta fmt, clippy y pruebas en cada push.",
+            cta_title: "¿Listo para probar Zero Layer?", cta_p: "Descarga la última versión y a funcionar. Compatible con cualquier distro Linux.",
+            cta_btn1: "Descargar la última versión", cta_btn2: "Ver en GitHub",
+            footer_tagline: "Gestor de paquetes universal para Linux con traducción nativa de binarios — instala desde cualquier fuente, en cualquier distro, con cero sobrecarga en ejecución.",
+            footer_builtby: "Creado por", footer_license: "Bajo licencia"
+        },
+        de: {
+            nav_features: "Funktionen", nav_sources: "Quellen", nav_how: "So funktioniert's", nav_stack: "Stack",
+            badge: "Open Source — MIT-Lizenz",
+            hero_h1_1: "Ein Befehl.", hero_h1_2: "Jedes Paket. Jede Distro.",
+            hero_p: "Zero Layer ist ein universeller Linux-Paketmanager, der Binärdateien bei der Installation nativ übersetzt. Keine Container, keine VMs, kein Laufzeit-Overhead. Geschrieben in Rust.",
+            btn_download: "Herunterladen", btn_source: "Quellcode ansehen",
+            term_c1: "# Ein Arch-Paket unter Ubuntu? Kein Problem.",
+            term_c2: "# Suche gleichzeitig in 13 Quellen",
+            feat_label: "Funktionen", feat_title: "Alles, was du brauchst",
+            feat_desc: "Eine einzige Binärdatei, die Container, VMs und Kompatibilitätsschichten ersetzt. Installiere alles, überall.",
+            f1_t: "Native Binärübersetzung", f1_d: "ELF-Binärdateien werden mit goblin analysiert und bei der Installation mit elb angepasst. Dynamischer Linker und RUNPATH werden auf dein System eingestellt. Pakete laufen danach mit voller nativer Geschwindigkeit, ohne Overhead.",
+            f2_t: "13 Paketquellen", f2_d: "pacman, apt, dnf, AUR, Nix, Flatpak, Snap, AppImage, GitHub Releases und mehr — alle parallel abgefragt.",
+            f3_t: "Intelligente Suche", f3_d: "Nach Relevanz sortierte Ergebnisse über alle Quellen. Exakte Treffer hervorgehoben, AUR-Binärvarianten automatisch gefunden.",
+            f4_t: "Atomare Transaktionen", f4_d: "Jede Installation läuft in einer Transaktion. Schlägt etwas fehl, wird alles zurückgerollt — keine halb installierten Pakete.",
+            f5_t: "Quellenübergreifende Abhängigkeiten", f5_d: "Abhängigkeiten, die in der Hauptquelle fehlen, werden automatisch in allen anderen aktiven Quellen gesucht.",
+            f6_t: "Vollständige Diagnose", f6_d: "doctor, audit, diff, size, history, rollback, why — alles, um deine Pakete zu verstehen und zu verwalten.",
+            src_label: "Quellen", src_title: "13 Quellen, eine Oberfläche",
+            src_desc: "Installiere aus jedem Linux-Repository oder jeder Release-Plattform — die Übersetzung übernimmt Zero Layer.",
+            how_label: "So funktioniert's", how_title: "In 4 Schritten installiert",
+            how_desc: "Die gesamte Übersetzung passiert bei der Installation. Danach laufen die Binärdateien mit voller nativer Geschwindigkeit.",
+            s1_t: "Herunterladen", s1_d: "Parallele Downloads (4 Threads) mit Fortschrittsbalken, Wiederholungen und SHA256-Prüfung. Pakete werden direkt aus ihren nativen Repositories geladen.",
+            s2_t: "Prüfen", s2_d: "SHA256-Prüfsummen und GPG-Signaturen werden geprüft. Das Archivformat wird erkannt und entpackt — deb, rpm, tar, nar, squashfs, zip oder AppImage.",
+            s3_t: "Patchen", s3_d: "Jede ELF-Binärdatei wird mit goblin analysiert. Dynamischer Linker (PT_INTERP) und Bibliothekspfad (RUNPATH) werden mit elb an dein System angepasst — parallel bei Paketen mit mehreren Binärdateien.",
+            s4_t: "Installieren", s4_d: "Dateien werden atomar innerhalb einer Transaktion abgelegt. Schlägt etwas fehl, wird alles zurückgerollt. Abhängigkeiten, Dateien und Verlauf werden in einer redb-Datenbank verfolgt.",
+            stack_label: "Tech-Stack", stack_title: "Gebaut mit Rust",
+            stack_desc: "Eine Binärdatei, null C-Abhängigkeiten. Reines Rust, vom ELF-Parsing bis zur Datenbankspeicherung.",
+            st_rust_d: "Speichersicher, schnell, eine Binärdatei. Edition 2024, kein unsafe-Code im Haupt-Crate.",
+            st_goblin_d: "ELF-Analyse und Binär-Patching in reinem Rust. Liest Metadaten, setzt Interpreter und RUNPATH.",
+            st_redb_d: "Eingebettete Key-Value-Datenbank. ACID-Transaktionen, reines Rust — kein SQLite, keine C-Abhängigkeiten.",
+            st_petgraph_d: "Abhängigkeitsgraph mit topologischer Sortierung, Zyklenerkennung und Waisen-Analyse.",
+            st_clap_d: "CLI-Parsing mit Derive-Makros. Shell-Vervollständigung für bash, zsh und fish.",
+            st_tests_t: "349 Tests", st_tests_d: "Umfassende Unit-Tests über alle Kernmodule. Die CI führt bei jedem Push fmt, clippy und Tests aus.",
+            cta_title: "Bereit, Zero Layer auszuprobieren?", cta_p: "Schnapp dir das neueste Release und leg los. Läuft auf jeder Linux-Distro.",
+            cta_btn1: "Neuestes Release herunterladen", cta_btn2: "Auf GitHub ansehen",
+            footer_tagline: "Universeller Linux-Paketmanager mit nativer Binärübersetzung — installiere aus jeder Quelle, auf jeder Distro, ohne Laufzeit-Overhead.",
+            footer_builtby: "Erstellt von", footer_license: "Lizenziert unter"
+        }
+    };
+    const SUPPORTED = ["en", "it", "fr", "es", "de"];
 
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+        const dict = I18N[lang];
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+        document.querySelectorAll('[data-i18n]').forEach(function (el) {
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+        const sel = document.getElementById('lang-select');
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+    function initLang() {
+        let lang = null;
+        try { lang = localStorage.getItem('zl-lang'); } catch (e) {}
+        const param = new URLSearchParams(location.search).get('lang');
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+    document.addEventListener('DOMContentLoaded', function () {
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+        document.getElementById('lang-select').addEventListener('change', function (e) {
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+        document.getElementById('theme-toggle').addEventListener('click', function () {
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+        // Mobile menu
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diff --git a/docs/site/sitemap.xml b/docs/site/sitemap.xml
index 5402209..12add7e 100644
--- a/docs/site/sitemap.xml
+++ b/docs/site/sitemap.xml
@@ -2,7 +2,7 @@
 <urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
   <url>
     <loc>https://supercosti21.github.io/zero_layer/</loc>
-    <lastmod>2026-03-24</lastmod>
+    <lastmod>2026-07-28</lastmod>
     <changefreq>weekly</changefreq>
     <priority>1.0</priority>
   </url>