feat: Dossiê vivo motion for the public site (#10)

* feat: add Dossiê vivo motion to the public site

Introduce a focal Home opening, chapter index, and restrained continuity
reveals while keeping reduced-motion and visual baselines intact.

Co-authored-by: Cursor <cursoragent@cursor.com>

* test: refresh visual baselines from CI Ubuntu screenshots

Co-authored-by: Cursor <cursoragent@cursor.com>

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Co-authored-by: Cursor <cursoragent@cursor.com>

resources/views/pages/portfolio/index.blade.php

@@ -1,7 +1,7 @@
 @extends('layouts.public')
 
 @section('content')
-    <div class="border-b border-amare-border bg-amare-bg-deep">
+    <div class="border-b border-amare-border bg-amare-bg-deep" data-motion="page-open">
         <div class="container-amare space-y-10 py-16 md:py-24">
             <div class="max-w-2xl space-y-4">
                 <p class="text-xs font-semibold uppercase tracking-[0.14em] text-amare-accent">Portfólio</p>

resources/views/pages/portfolio/show.blade.php

@@ -1,7 +1,7 @@
 @extends('layouts.public')
 
 @section('content')
-    <article>
+    <article data-motion="page-open">
         <div class="border-b border-amare-border bg-amare-bg">
             <div class="container-amare space-y-8 py-16 md:py-24">
                 <header class="max-w-3xl space-y-4">