diff --git a/README.md b/README.md
index da0b7d8..8858443 100644
--- a/README.md
+++ b/README.md
@@ -57,6 +57,7 @@ Vuoi sponsorizzare un nostro evento? [Scrivici un messaggio](#contacts).
 
 <h2 id="gallery">Galleria</h2>
 
+![apericoder ottobre 2026](/images/2026-10-07-sicurezza-ai-agent.jpg)
 ![apericoder giugno 2026](/images/2026-06-18-buildroot-apericoder.jpg)
 ![apericoder marzo 2026](/images/2026-03-19-apericoder-1.jpg)
 ![apericoder dicembre 2025](/images/2025-12-10-apericoder.jpg)
diff --git a/_layouts/default.html b/_layouts/default.html
index f111076..c4867be 100644
--- a/_layouts/default.html
+++ b/_layouts/default.html
@@ -31,10 +31,10 @@
           <a href="{{ '/' | relative_url }}#join">Partecipa</a>
           <a href="{{ '/' | relative_url }}#gallery">Galleria</a>
           <a class="nav-cta" href="{{ '/' | relative_url }}#contacts">Contatti <span aria-hidden="true">↗</span></a>
-          <div class="theme-switch">
-            <button type="button" data-theme-toggle aria-label="Attiva il tema scuro" title="Attiva il tema scuro"><span class="theme-icon-light" aria-hidden="true">&#9788;</span><span class="theme-icon-dark" aria-hidden="true">&#9790;</span></button>
-          </div>
         </nav>
+        <div class="theme-switch">
+          <button type="button" data-theme-toggle aria-label="Attiva il tema scuro" title="Attiva il tema scuro"><span class="theme-icon-light" aria-hidden="true">&#9788;</span><span class="theme-icon-dark" aria-hidden="true">&#9790;</span></button>
+        </div>
       </div>
     </header>
 
diff --git a/assets/css/style.scss b/assets/css/style.scss
index 0336508..dd3b65c 100644
--- a/assets/css/style.scss
+++ b/assets/css/style.scss
@@ -4,18 +4,21 @@
 @import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;700&family=Space+Grotesk:wght@400;500;600;700&display=swap');
 
 :root {
-  --ink: #202b2b;
-  --muted: #64706d;
-  --paper: #f4f5ef;
-  --white: #fffef9;
-  --line: #d8ded7;
-  --green: #1e6b5c;
-  --coral: #ef715b;
-  --yellow: #f4c95d;
-  --shell: min(1180px, calc(100% - 48px));
-  --header-bg: rgba(244, 245, 239, .96);
-  --card-bg: #fffef9;
-  --card-shadow: 0 8px 24px rgba(32, 43, 43, .06);
+  --ink: #1e3029;
+  --muted: #5c6e65;
+  --paper: #f5f3ed;
+  --white: #fffdf8;
+  --line: #d9ded5;
+  --green: #1a5c49;
+  --coral: #c65d45;
+  --yellow: #e9bd61;
+  --shell: min(1160px, calc(100% - 64px));
+  --header-bg: rgba(245, 243, 237, .94);
+  --card-bg: #fffdf8;
+  --hero-bg: #e7eee6;
+  --link-hover: #1a5c49;
+  --brand-bg: #f4f5ef;
+  --card-shadow: 0 12px 32px rgba(30, 48, 41, .07);
 }
 
 :root[data-theme='dark'] {
@@ -29,6 +32,9 @@
   --yellow: #f5cf67;
   --header-bg: rgba(50, 50, 91, .97);
   --card-bg: #3c3c6b;
+  --hero-bg: #414175;
+  --link-hover: #ff947b;
+  --brand-bg: #32325b;
   --card-shadow: 0 8px 24px rgba(0, 0, 0, .2);
 }
 
@@ -43,64 +49,76 @@ body {
   font-family: 'DM Sans', sans-serif;
   font-size: 16px;
   line-height: 1.65;
+  -webkit-font-smoothing: antialiased;
 }
 
 a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 4px; }
-a:hover { color: var(--coral); }
+a:hover { color: var(--link-hover); }
 a:focus-visible { outline: 3px solid var(--coral); outline-offset: 4px; }
 
 .shell { width: var(--shell); margin: 0 auto; }
 
-.site-header { position: sticky; top: 0; z-index: 10; border-bottom: 1px solid var(--line); background: var(--header-bg); box-shadow: 0 2px 12px rgba(32, 43, 43, .04); }
-.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 60px; gap: 32px; }
-.brand img { display: block; width: 164px; height: auto; }
+.site-header { position: sticky; top: 0; z-index: 10; border-bottom: 1px solid var(--line); background: var(--header-bg); box-shadow: 0 4px 20px rgba(30, 48, 41, .04); backdrop-filter: blur(16px); }
+.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 122px; gap: 32px; }
+.brand { display: block; flex: 0 0 110px; width: 110px; height: 110px; overflow: hidden; border-radius: 12px; background: var(--brand-bg); text-decoration: none; }
+.brand img { display: block; width: 110px; height: 110px; max-width: none; }
 :root[data-theme='light'] .logo-dark, :root[data-theme='dark'] .logo-light { display: none; }
-.site-nav { display: flex; align-items: center; gap: 30px; font-size: 14px; font-weight: 700; }
+.site-nav { display: flex; align-items: center; gap: 26px; font-size: 14px; font-weight: 700; }
 .site-nav a { text-decoration: none; }
-.site-nav .nav-cta { padding: 9px 15px; border: 1px solid var(--ink); border-radius: 100px; }
-.site-nav .nav-cta:hover { color: var(--white); background: var(--ink); }
+.site-nav > a:not(.nav-cta) { position: relative; padding: 8px 0; color: var(--muted); transition: color .2s ease; }
+.site-nav > a:not(.nav-cta)::after { position: absolute; right: 0; bottom: 2px; left: 0; height: 2px; transform: scaleX(0); transform-origin: left; background: var(--coral); content: ''; transition: transform .2s ease; }
+.site-nav > a:not(.nav-cta):hover { color: var(--ink); }
+.site-nav > a:not(.nav-cta):hover::after { transform: scaleX(1); }
+.site-nav .nav-cta { padding: 10px 17px; border: 1px solid var(--green); border-radius: 100px; background: var(--green); color: var(--white); transition: background .2s ease, border-color .2s ease, transform .2s ease; }
+.site-nav .nav-cta:hover { transform: translateY(-1px); border-color: var(--coral); background: var(--coral); color: #1e3029; }
 .theme-switch { display: flex; }
-.theme-switch button { display: grid; width: 32px; height: 32px; place-items: center; padding: 0; border: 1px solid var(--line); border-radius: 50%; background: transparent; color: var(--ink); font: inherit; font-size: 18px; line-height: 1; cursor: pointer; }
+.theme-switch button { display: grid; width: 38px; height: 38px; place-items: center; padding: 0; border: 1px solid var(--line); border-radius: 50%; background: transparent; color: var(--ink); font: inherit; font-size: 18px; line-height: 1; cursor: pointer; transition: border-color .2s ease, color .2s ease, background .2s ease; }
 .theme-switch button:hover, .theme-switch button:focus-visible { border-color: var(--coral); color: var(--coral); }
 :root[data-theme='light'] .theme-icon-light, :root[data-theme='dark'] .theme-icon-dark { display: none; }
-.theme-switch button:hover, .theme-switch button:focus-visible { color: var(--coral); }
 
-.page-content { padding: 70px 0 120px; }
-.page-content > h1 { max-width: 800px; margin: 0 0 34px; font-family: 'Space Grotesk', sans-serif; font-size: clamp(3rem, 7vw, 6.5rem); line-height: .95; letter-spacing: 0; }
-.page-content > h2 { margin: 100px 0 26px; font-family: 'Space Grotesk', sans-serif; font-size: clamp(2rem, 4vw, 3.5rem); line-height: 1.05; letter-spacing: 0; }
-.page-content > h2:first-of-type { margin-top: 22px; }
+.page-content { padding: 68px 0 112px; }
+.page-content > h1 { max-width: 900px; margin: 0 0 28px; font-family: 'Space Grotesk', sans-serif; font-size: clamp(3.2rem, 7vw, 6rem); line-height: .98; letter-spacing: -.055em; }
+.page-content > h2 { margin: 88px 0 24px; font-family: 'Space Grotesk', sans-serif; font-size: clamp(2rem, 4vw, 3.15rem); line-height: 1.08; letter-spacing: -.04em; }
+.page-content > h2:first-of-type { margin-top: 20px; }
 .page-content > p, .page-content > ul, .page-content > ol { max-width: 760px; }
 .page-content > p { margin: 0 0 24px; }
 .page-content > ul { padding-left: 22px; }
 .page-content > ul li { margin: 8px 0; }
 .page-content strong { font-weight: 700; }
 
-.home .page-content { padding-top: 86px; }
+.home .page-content { padding-top: 72px; }
 .home .page-content > h2, .home .page-content > h2[id] { scroll-margin-top: 112px; }
-.home .page-content > h1 { max-width: 920px; }
-.home .page-content > h1::after { display: inline-block; width: 18px; height: 18px; margin: 0 0 12px 14px; border-radius: 50%; background: var(--coral); content: ''; }
-.home .page-content > h1 + p { max-width: 640px; color: var(--muted); font-size: 1.2rem; }
+.home .page-content > p:first-child { position: relative; isolation: isolate; overflow: hidden; max-width: none; margin: 0 0 50px; padding: clamp(28px, 5vw, 58px); border: 1px solid rgba(26, 92, 73, .12); border-radius: 24px; background: radial-gradient(ellipse at 94% 15%, rgba(233, 189, 97, .22), transparent 31%), var(--hero-bg); box-shadow: var(--card-shadow); color: var(--muted); font-size: clamp(1.1rem, 2vw, 1.35rem); line-height: 1.7; }
+.home .page-content > p:first-child strong { color: var(--green); }
+:root[data-theme='dark'] .home .page-content > p:first-child { border-color: rgba(244, 201, 93, .16); }
+:root[data-theme='dark'] .home .page-content > p:first-child strong { color: var(--coral); }
 
 #events, #archive, #join, #sponsor, #gallery, #contacts { padding-top: 32px; border-top: 1px solid var(--line); }
-#events + ul, #archive + ul { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px 40px; max-width: none; padding: 0; list-style: none; }
-#events + ul li, #archive + ul li { min-height: 92px; margin: 0; padding: 20px 22px; border: 1px solid var(--line); border-radius: 14px; background: var(--card-bg); box-shadow: var(--card-shadow); transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease; }
-#events + ul li:hover, #archive + ul li:hover { transform: translateY(-3px); border-color: var(--coral); box-shadow: 0 12px 28px rgba(32, 43, 43, .12); }
-#events + ul li a, #archive + ul li a { font-weight: 700; }
-.contact-qr { width: 280px; max-width: 100%; margin: 40px 0 0; text-align: center; padding: 12px; border: 1px solid var(--line); border-radius: 14px; background: #fff; box-shadow: var(--card-shadow); }
+#events + ul, .home .page-content > h2:nth-of-type(2) + ul, #archive + ul { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; max-width: none; padding: 0; list-style: none; }
+#events + ul li, .home .page-content > h2:nth-of-type(2) + ul li, #archive + ul li { min-height: 100px; margin: 0; padding: 22px 24px; border: 1px solid var(--line); border-radius: 16px; background: var(--card-bg); box-shadow: var(--card-shadow); transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease; }
+#events + ul li:first-child { grid-column: 1 / -1; min-height: 122px; padding: 28px 30px; border-left: 4px solid var(--coral); background: linear-gradient(115deg, var(--hero-bg), var(--card-bg)); }
+#events + ul li:hover, .home .page-content > h2:nth-of-type(2) + ul li:hover, #archive + ul li:hover { transform: translateY(-3px); border-color: var(--coral); box-shadow: 0 16px 34px rgba(30, 48, 41, .12); }
+:root[data-theme='dark'] #events + ul li:hover, :root[data-theme='dark'] .home .page-content > h2:nth-of-type(2) + ul li:hover, :root[data-theme='dark'] #archive + ul li:hover { box-shadow: 0 16px 34px rgba(0, 0, 0, .35); }
+#events + ul li a, .home .page-content > h2:nth-of-type(2) + ul li a, #archive + ul li a { font-weight: 700; text-decoration-thickness: 1.5px; }
+#join + ul { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; max-width: none; padding: 0; list-style: none; }
+#join + ul li { margin: 0; padding: 20px; border: 1px solid var(--line); border-radius: 16px; background: var(--card-bg); }
+#join + ul li a { font-weight: 700; }
+.contact-qr { width: 280px; max-width: 100%; margin: 36px 0 0; text-align: center; padding: 14px; border: 1px solid var(--line); border-radius: 16px; background: #fff; box-shadow: var(--card-shadow); }
 .contact-qr a { display: block; text-decoration: none; }
 .contact-qr span { display: block; margin-top: 10px; color: #202b2b; font-weight: 700; }
 .contact-qr img { display: block; width: 100%; height: auto; }
-.contact-form { display: grid; gap: 16px; max-width: 520px; }
+.contact-form { display: grid; gap: 16px; max-width: 580px; }
 .contact-form label { display: grid; gap: 6px; font-weight: 700; }
-.contact-form input, .contact-form textarea { width: 100%; padding: 12px 14px; border: 1px solid var(--line); border-radius: 10px; background: var(--card-bg); color: var(--ink); font: inherit; font-weight: 400; }
+.contact-form input, .contact-form textarea { width: 100%; padding: 13px 15px; border: 1px solid var(--line); border-radius: 12px; background: var(--card-bg); color: var(--ink); font: inherit; font-weight: 400; }
 .contact-form input:focus-visible, .contact-form textarea:focus-visible { outline: 3px solid var(--coral); outline-offset: 2px; }
-.contact-form button { justify-self: start; padding: 13px 22px; border: 1px solid var(--ink); border-radius: 100px; background: var(--ink); color: var(--paper); font: inherit; font-weight: 700; cursor: pointer; }
-.contact-form button:hover { border-color: var(--coral); background: var(--coral); color: #202b2b; }
-.sponsor-logo { max-width: 360px; margin: 0 0 24px; }
+.contact-form button { justify-self: start; padding: 13px 24px; border: 1px solid var(--green); border-radius: 100px; background: var(--green); color: var(--white); font: inherit; font-weight: 700; cursor: pointer; transition: transform .2s ease, background .2s ease, border-color .2s ease; }
+.contact-form button:hover { transform: translateY(-1px); border-color: var(--coral); background: var(--coral); color: #1e3029; }
+.sponsor-logo { max-width: 360px; margin: 0 0 24px; padding: 22px; border: 1px solid var(--line); border-radius: 16px; background: var(--card-bg); }
 .sponsor-logo a { display: block; }
 .sponsor-logo img { display: block; width: 100%; height: auto; }
-#gallery + p { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; max-width: none; }
-#gallery + p img { display: block; width: 100%; height: 210px; object-fit: cover; filter: saturate(.85); }
+#gallery + p { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; max-width: none; }
+#gallery + p img { display: block; width: 100%; height: 190px; border-radius: 12px; object-fit: cover; filter: saturate(.88); transition: filter .2s ease, transform .2s ease; }
+#gallery + p img:hover { transform: translateY(-2px); filter: saturate(1); }
 #gallery + p img.gallery-image { cursor: zoom-in; }
 #gallery + p img.gallery-image:focus-visible { outline: 3px solid var(--coral); outline-offset: 4px; }
 
@@ -116,54 +134,60 @@ a:focus-visible { outline: 3px solid var(--coral); outline-offset: 4px; }
 .gallery-modal-close:hover, .gallery-modal-arrow:hover, .gallery-modal-close:focus-visible, .gallery-modal-arrow:focus-visible { border-color: var(--yellow); color: var(--yellow); outline: 0; }
 
 .event-page .page-content { max-width: 900px; }
-.breadcrumb { padding-top: 30px; font-size: 14px; font-weight: 700; }
-.event-cover { width: min(100%, 760px); margin: 0 0 42px; background: var(--green); }
+.breadcrumb { padding-top: 28px; font-size: 14px; font-weight: 700; }
+.breadcrumb a { color: var(--muted); text-decoration: none; }
+.breadcrumb a:hover { color: var(--link-hover); }
+.event-cover { width: min(100%, 760px); margin: 0 0 38px; overflow: hidden; border-radius: 20px; background: var(--green); box-shadow: var(--card-shadow); }
 .event-cover img { display: block; width: 100%; max-height: 440px; object-fit: cover; }
-.event-page .page-content > h1 { font-size: clamp(2.8rem, 6vw, 5.5rem); }
-.event-page .page-content > h2 { margin-top: 50px; font-size: clamp(1.7rem, 3vw, 2.5rem); }
+.event-page .page-content > h1 { font-size: clamp(2.8rem, 6vw, 5.2rem); }
+.event-page .page-content > h2 { margin-top: 52px; font-size: clamp(1.7rem, 3vw, 2.5rem); }
 .event-page iframe { display: block; width: 100%; max-width: 760px; aspect-ratio: 16 / 9; height: auto; margin: 42px 0; border: 0; }
-.event-page button, .event-page .page-content > p a[href*="eepurl"] { display: inline-block; padding: 13px 20px; border: 1px solid var(--ink); border-radius: 100px; background: var(--ink); color: var(--white); font: inherit; font-weight: 700; text-decoration: none; cursor: pointer; }
-.event-page button:hover, .event-page .page-content > p a[href*="eepurl"]:hover { background: var(--coral); border-color: var(--coral); color: var(--ink); }
+.event-page button, .event-page .page-content > p a[href*="eepurl"] { display: inline-block; padding: 13px 20px; border: 1px solid var(--green); border-radius: 100px; background: var(--green); color: var(--white); font: inherit; font-weight: 700; text-decoration: none; cursor: pointer; }
+.event-page button:hover, .event-page .page-content > p a[href*="eepurl"]:hover { background: var(--coral); border-color: var(--coral); color: #1e3029; }
 .event-page .page-content > p:last-child { margin-top: 50px; font-weight: 700; }
 .page-content img { max-width: 100%; height: auto; }
 .event-page .theme-switch button { display: grid; width: 32px; height: 32px; place-items: center; padding: 0; border: 1px solid var(--line); border-radius: 50%; background: transparent; color: var(--ink); font: inherit; font-size: 18px; line-height: 1; }
 
 @media (prefers-reduced-motion: reduce) {
   html { scroll-behavior: auto; }
-  #events + ul li, #archive + ul li { transition: none; }
+  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
 }
 
-.site-footer { padding: 8px 0 4px; background: var(--green); color: var(--white); }
-.footer-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; padding-bottom: 8px; }
+.site-footer { padding: 42px 0 22px; background: var(--green); color: var(--white); }
+.footer-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; padding-bottom: 28px; }
 .footer-kicker { margin: 0; color: var(--yellow); font-size: 13px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
 .footer-title { margin: 0; font-family: 'Space Grotesk', sans-serif; font-size: clamp(2.4rem, 5vw, 4.5rem); line-height: .98; }
-.footer-links { display: flex; align-content: start; flex-wrap: wrap; gap: 10px 28px; font-size: 1.05rem; }
+.footer-links { display: flex; align-content: start; flex-wrap: wrap; gap: 12px 28px; font-size: 1rem; }
 .footer-links a { width: fit-content; text-decoration: none; }
+.site-footer a:hover { color: var(--yellow); }
 .footer-links a span { color: var(--yellow); }
-.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-top: 4px; border-top: 1px solid rgba(255, 254, 249, .3); color: rgba(255, 254, 249, .75); font-size: 13px; }
+.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-top: 18px; border-top: 1px solid rgba(255, 254, 249, .3); color: rgba(255, 254, 249, .78); font-size: 13px; }
 
 @media (max-width: 700px) {
-  :root { --shell: min(100% - 32px, 1180px); }
-  .header-inner { min-height: 48px; }
-  .brand img { width: 132px; }
-  .site-nav { gap: 14px; font-size: 12px; }
-  .site-nav a:not(.nav-cta) { display: none; }
-  .site-nav .nav-cta { padding: 7px 11px; }
-  .theme-switch button { padding: 5px 7px; }
-  .page-content, .home .page-content { padding-top: 52px; padding-bottom: 76px; }
-  .page-content > h2 { margin-top: 68px; }
-  .home .page-content > h1 { font-size: clamp(3rem, 15vw, 5rem); }
-  .home .page-content > h1::after { width: 13px; height: 13px; margin-bottom: 8px; }
-  #events + ul, #archive + ul { display: block; }
+  :root { --shell: min(100% - 36px, 1160px); }
+  .header-inner { min-height: 0; flex-wrap: wrap; gap: 8px 16px; padding: 12px 0 8px; }
+  .header-inner { min-height: 100px; }
+  .brand { flex-basis: 92px; width: 92px; height: 92px; border-radius: 10px; }
+  .brand img { width: 92px; height: 92px; }
+  .site-nav { order: 2; width: 100%; gap: clamp(10px, 2.8vw, 16px); overflow-x: auto; font-size: 12px; scrollbar-width: thin; }
+  .site-nav > a { flex: 0 0 auto; white-space: nowrap; }
+  .site-nav .nav-cta { padding: 8px 11px; }
+  .theme-switch { order: 1; flex: 0 0 auto; margin-left: auto; }
+  .theme-switch button { width: 34px; height: 34px; }
+  .page-content, .home .page-content { padding-top: 48px; padding-bottom: 76px; }
+  .page-content > h2 { margin-top: 64px; }
+  .home .page-content > p:first-child { margin-bottom: 38px; padding: 25px; border-radius: 18px; font-size: 1.08rem; }
+  #events + ul, .home .page-content > h2:nth-of-type(2) + ul, #archive + ul { grid-template-columns: 1fr; }
+  #events + ul li:first-child { grid-column: auto; min-height: 0; padding: 20px; }
+  #join + ul { grid-template-columns: 1fr; gap: 10px; }
   .sponsor-logo { max-width: 280px; }
-  #gallery + p { grid-template-columns: repeat(2, 1fr); }
-  #gallery + p img { height: 150px; }
+  #gallery + p { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
+  #gallery + p img { height: clamp(120px, 35vw, 180px); }
   .gallery-modal { grid-template-columns: 42px minmax(0, 1fr) 42px; gap: 8px; padding: 52px 10px 28px; }
   .gallery-modal-close { right: 14px; }
   .gallery-modal-arrow { width: 38px; height: 38px; }
-  #events + ul, #archive + ul { gap: 16px; }
-  #events + ul li, #archive + ul li { min-height: 0; padding: 16px; }
-  .footer-grid { grid-template-columns: 1fr; gap: 8px; padding-bottom: 8px; }
+  #events + ul li, .home .page-content > h2:nth-of-type(2) + ul li, #archive + ul li { min-height: 0; padding: 17px; }
+  .footer-grid { grid-template-columns: 1fr; gap: 18px; padding-bottom: 22px; }
   .footer-bottom { display: block; }
-  .footer-bottom span { display: block; margin-top: 2px; }
+  .footer-bottom span { display: block; margin-top: 5px; }
 }
diff --git a/images/2026-10-07-sicurezza-ai-agent.jpg b/images/2026-10-07-sicurezza-ai-agent.jpg
new file mode 100644
index 0000000..7e8409f
Binary files /dev/null and b/images/2026-10-07-sicurezza-ai-agent.jpg differ