Fix: suppression du timing check (faux positifs sur desktop)

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

src/views/WhitePaper.svelte

@@ -13,12 +13,7 @@
   let submitting = $state(false)
   let status     = $state(null) // null | 'success' | 'error'
   let showForm      = $state(false)
-  let honeypot      = $state('')
-  let formOpenedAt  = $state(0)
-
-  $effect(() => {
-    if (showForm && formOpenedAt === 0) formOpenedAt = Date.now()
-  })
+  let honeypot = $state('')
 
   let isEmailValid = $derived.by(() => {
     const emailValidator = /^[\w\-\.]+@([\w-]+\.)+[\w-]{2,}$/gm
@@ -39,7 +34,7 @@
       const res = await fetch(`${prefix}/${data.uri}/download`, {
         method: 'POST',
         headers: { 'Content-Type': 'application/json' },
-        body: JSON.stringify({ firstName, lastName, company, role, email, _hp: honeypot, _t: formOpenedAt })
+        body: JSON.stringify({ firstName, lastName, company, role, email, _hp: honeypot })
       })
       const result = await res.json()
       if (result.fileUrl) {
@@ -167,7 +162,7 @@
     font-family: "Danzza", sans-serif;
     font-size: var(--font-size-paragraph);
     opacity: 0.8;
-    max-width: 480px;
+    max-width: 90%;
   }
 
   /* Mobile trigger: hidden on desktop */