feat(footer): suppression newsletter, h3 → p.footer-label, corrections CSS mobile

- Retire la section newsletter commentée et tout son CSS associé
- Remplace les h3 par des p.footer-label (sémantique plus correcte)
- Réduit le gap des colonnes footer
- Fix divider mobile (7% width, 2px height)
- Ajoute offset margin-left pour .collection .page-scrollable-footer mobile

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/components/layout/Footer.svelte

@@ -45,7 +45,7 @@
     <!-- Location -->
     {#if contact.address}
       <div class="footer-col">
-        <h3>{t('location')}</h3>
+        <p class="footer-label">{t('location')}</p>
         <address>{@html contact.address}</address>
       </div>
     {/if}
@@ -53,7 +53,7 @@
     <!-- Contact -->
     {#if contact.email}
       <div class="footer-col">
-        <h3>{t('contact')}</h3>
+        <p class="footer-label">{t('contact')}</p>
         <a href="mailto:{contact.email}">{contact.email}</a>
       </div>
     {/if}
@@ -61,7 +61,7 @@
     <!-- Follow us -->
     {#if socials.length > 0}
       <div class="footer-col">
-        <h3>{t('follow_us')}</h3>
+        <p class="footer-label">{t('follow_us')}</p>
         <ul class="footer-socials" role="list">
           {#each socials as social}
             <li>
@@ -77,27 +77,6 @@
         </ul>
       </div>
     {/if}
-
-    <!-- Newsletter -->
-    <!-- <div class="footer-newsletter">
-      <h3>{t('newsletter_heading')}</h3>
-      <form class="footer-newsletter-form" onsubmit={handleSubscribe}>
-        <input
-          class="footer-newsletter-input"
-          type="email"
-          placeholder={t('newsletter_placeholder')}
-          bind:value={email}
-          required
-        />
-        <button type="submit" class="button">{t('newsletter_submit')}</button>
-      </form>
-      {#if status}
-        <p class="footer-newsletter-status footer-newsletter-status--{status.type}">
-          {status.message}
-        </p>
-      {/if}
-    </div> -->
-
   </div>
 
   <!-- Copyright bar -->
@@ -147,18 +126,19 @@
   .footer-col {
     display: flex;
     flex-direction: column;
-    gap: 16px;
+    gap: 0.5rem;
     width: 136px;
     text-align: left;
+    margin-bottom: .5rem;
   }
 
-  .footer-col h3 {
+  .footer-label {
     color: #fff;
     font-family: "Danzza", sans-serif;
     font-size: var(--font-size-paragraph);
     font-weight: 500;
     text-transform: uppercase;
-    line-height: 16px;
+    line-height: 1.2;
   }
 
   .footer-col address,
@@ -187,76 +167,11 @@
     justify-content: center;
   }
 
-  .footer-socials :global(svg),
+  .footer-socials :global(svg) {
-  .footer-socials img {
     width: 24px;
     height: 24px;
   }
 
-  /* --- Newsletter --- */
-  .footer-newsletter {
-    width: 493px;
-    display: flex;
-    flex-direction: column;
-    gap: 12px;
-  }
-
-  .footer-newsletter h3 {
-    color: #fff;
-    font-family: "Danzza", sans-serif;
-    font-size: var(--font-size-paragraph);
-    font-weight: 500;
-    text-transform: uppercase;
-    line-height: 16px;
-  }
-
-  .footer-newsletter-form {
-    display: flex;
-    gap: 12px;
-    flex-wrap: wrap;
-  }
-
-  .footer-newsletter-input {
-    width: 315px;
-    height: 45px;
-    padding: 12px;
-    background: rgba(255, 255, 255, 0.05);
-    border: 1px solid #fff;
-    color: #fff;
-    font-size: 16px;
-    font-family: "Danzza", sans-serif;
-  }
-
-  .footer-newsletter-input::placeholder {
-    opacity: 0.7;
-    color: #fff;
-  }
-
-  /* Override .button width for footer context */
-  .footer-newsletter-form :global(.button) {
-    width: auto;
-    min-width: unset;
-    position: static;
-    height: 45px;
-  }
-
-  .footer-newsletter-status {
-    padding: 8px;
-    border-radius: 4px;
-    font-size: 14px;
-    text-align: center;
-  }
-
-  .footer-newsletter-status--success {
-    background: #4dfca1;
-    color: #1e1938;
-  }
-
-  .footer-newsletter-status--error {
-    background: #ff6b6b;
-    color: #fff;
-  }
-
   /* --- Copyright bar --- */
   .footer-bottom {
     display: flex;
@@ -292,20 +207,6 @@
       padding: 16px 20px;
     }
 
-    .footer-newsletter {
-      width: 100%;
-    }
-
-    .footer-newsletter-input {
-      width: 100%;
-      flex-grow: 1;
-    }
-
-    .footer-newsletter-form :global(.button) {
-      width: 100%;
-      margin-top: 10px;
-    }
-
     .footer-bottom {
       flex-direction: column;
       gap: 16px;
@@ -314,8 +215,12 @@
     }
 
     .footer-divider {
-      width: 100%;
+      width: 7%;
-      height: 1px;
+      height: 2px;
+    }
+
+    :global(.collection .page-scrollable-footer) {
+      margin-left: -6.2vw;
     }
   }
 
@@ -328,14 +233,6 @@
       padding: 20px 30px;
     }
 
-    .footer-newsletter {
-      width: 100%;
-    }
-
-    .footer-newsletter-input {
-      width: 60%;
-    }
-
     .footer-bottom {
       flex-direction: column;
       gap: 16px;