diff --git a/frontend/src/App.css b/frontend/src/App.css
index feb77a8..5ce57fb 100644
--- a/frontend/src/App.css
+++ b/frontend/src/App.css
@@ -544,31 +544,28 @@
   left: 20px;
   z-index: 1200;
   max-width: 340px;
-  padding: 12px 14px;
+  padding: 18px 20px 20px;
   display: grid;
-  gap: 8px;
-  border-radius: 14px;
-  border: 1px solid rgba(42, 38, 34, 0.14);
-  background: rgba(242, 239, 234, 0.95);
-  box-shadow: 0 6px 24px rgba(52, 48, 44, 0.18);
-  color: #2a2622;
-  font-size: 13px;
-  line-height: 1.45;
+  gap: 10px;
+  border-radius: var(--pz-r-l);
+  border: 1px solid var(--pz-line);
+  background: var(--pz-surface);
+  box-shadow: var(--pz-shadow);
+  color: var(--pz-ink-2);
+  font: 400 14px/1.5 var(--pz-sans);
 }
 
 .tree-created-prompt strong {
-  color: #2A2622;
-  font-size: 14px;
+  color: var(--pz-ink);
+  font: 400 21px/1.15 var(--pz-serif);
+  letter-spacing: -.01em;
 }
 
-.tree-created-prompt button {
+.tree-created-prompt .pz-btn {
   justify-self: start;
-  border: 1px solid #efc7b8;
-  border-radius: 8px;
-  background: #ffffff;
-  color: #2a2622;
-  padding: 6px 10px;
-  cursor: pointer;
+  min-height: 38px;
+  padding: 0 18px;
+  font-size: 14px;
 }
 
 .settings-card {
diff --git a/frontend/src/App.jsx b/frontend/src/App.jsx
index 263706d..c30b806 100644
--- a/frontend/src/App.jsx
+++ b/frontend/src/App.jsx
@@ -2898,7 +2898,7 @@ function App() {
         <div className="tree-created-prompt" role="status">
           <strong>{t('Votre arbre est créé.')}</strong>
           {t("Ajoutez un proche pour commencer, comme votre mère, votre père ou un frère. Il suffit d'un prénom.")}
-          <button type="button" onClick={() => setTreeWelcomeVisible(false)} aria-label={t('Fermer')}>
+          <button type="button" className="pz-btn pz-btn--secondary" onClick={() => setTreeWelcomeVisible(false)} aria-label={t('Fermer')}>
             {t('Fermer')}
           </button>
         </div>
@@ -2908,7 +2908,7 @@ function App() {
           <strong>{t("Votre arbre est créé, mais l'import n'a pas abouti.")}</strong>
           {` ${treeImportError} `}
           {t("Vous pouvez réessayer depuis les paramètres de l'arbre.")}
-          <button type="button" onClick={() => setTreeImportError('')} aria-label={t('Fermer')}>
+          <button type="button" className="pz-btn pz-btn--secondary" onClick={() => setTreeImportError('')} aria-label={t('Fermer')}>
             {t('Fermer')}
           </button>
         </div>
diff --git a/frontend/src/components/ContributionPanel.jsx b/frontend/src/components/ContributionPanel.jsx
index a13a8b9..409762b 100644
--- a/frontend/src/components/ContributionPanel.jsx
+++ b/frontend/src/components/ContributionPanel.jsx
@@ -238,6 +238,8 @@ const ContributionPanel = ({
   const [newPassword, setNewPassword] = useState('')
   const [inviteLocalError, setInviteLocalError] = useState('')
   const [copyFeedback, setCopyFeedback] = useState('')
+  // Le message d'invitation reste replié : une ligne, le texte ne s'ouvre que sur demande
+  const [showInviteMessage, setShowInviteMessage] = useState(false)
 
   // Load persisted decisions from localStorage
   useEffect(() => {
@@ -366,7 +368,6 @@ const ContributionPanel = ({
         aria-labelledby="contribPanelTitle"
       >
         <div className="pz-modal-head">
-          <p className="pz-eyebrow">{t('Partager et relire')}</p>
           <h1 id="contribPanelTitle" className="pz-title">{familyTitleBefore}<em>{t('participe')}</em>{familyTitleAfter}</h1>
         </div>
         <button type="button" className="pz-btn pz-btn--ghost pz-btn--icon pz-modal-close" onClick={onClose} aria-label={t('Fermer')}>
@@ -412,11 +413,18 @@ const ContributionPanel = ({
               </div>
               {defaultInviteText && (
                 <div className="contrib-invite-message">
-                  <label className="contrib-invite-title" htmlFor="contrib-invite-text">{t('Le message à envoyer')}</label>
-                  <textarea id="contrib-invite-text" className="contrib-invite-textarea" rows={9} value={inviteText} onChange={(e) => setInviteText(e.target.value)} />
-                  <div className="contrib-invite-message-actions">
-                    <button type="button" className="pz-btn pz-btn--primary pz-btn--sm" onClick={() => handleCopy(inviteText, t('Message copié'))}><Copy size={14} strokeWidth={2} />{t('Copier le message')}</button>
+                  <div className="contrib-invite-message-row">
+                    <button type="button" className="contrib-pill-btn contrib-pill-btn--edit" onClick={() => handleCopy(inviteText, t('Message copié'))}><Copy size={14} strokeWidth={2} />{t("Copier le message d'invitation")}</button>
+                    <button type="button" className="contrib-link-btn" aria-expanded={showInviteMessage} aria-controls="contrib-invite-text" onClick={() => setShowInviteMessage((v) => !v)}>
+                      {showInviteMessage ? t('Masquer le message') : t('Voir ou modifier le message')}
+                    </button>
                   </div>
+                  {showInviteMessage && (
+                    <>
+                      <label className="contrib-invite-message-label" htmlFor="contrib-invite-text">{t('Le message à envoyer')}</label>
+                      <textarea id="contrib-invite-text" className="contrib-invite-textarea" rows={6} value={inviteText} onChange={(e) => setInviteText(e.target.value)} />
+                    </>
+                  )}
                 </div>
               )}
               {(inviteLocalError || inviteError) && <div className="contrib-error">{inviteLocalError || inviteError}</div>}
diff --git a/frontend/src/components/PersonCard.css b/frontend/src/components/PersonCard.css
index aff0ddf..92fbf46 100644
--- a/frontend/src/components/PersonCard.css
+++ b/frontend/src/components/PersonCard.css
@@ -35,8 +35,8 @@
 .pc-hidden-input { display: none; }
 
 /* ── En-tête ── */
-.pc-head { display: flex; gap: 16px; align-items: flex-start; padding-right: 36px; }
-.pc-photo-wrap { display: grid; gap: 8px; justify-items: center; flex: none; }
+.pc-head { --pc-name-h: 42px; --pc-name-gap: 6px; display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 12px 16px; align-items: start; padding-right: 36px; }
+.pc-photo-wrap { position: relative; display: grid; gap: 8px; justify-items: center; flex: none; }
 .pc-photo {
   width: 84px; height: 84px; border-radius: 24%; overflow: hidden;
   background: var(--pz-a100); box-shadow: 0 0 0 1px rgba(42, 38, 34, .06), var(--pz-shadow);
@@ -54,22 +54,42 @@
 .pc-photo--add:active:not(:disabled) { transform: scale(.97); }
 .pc-photo--add:focus-visible { outline: 2px solid var(--pz-a500); outline-offset: 3px; }
 .pc-photo--add:disabled { opacity: .6; cursor: default; }
-.pc-photo-actions { display: grid; gap: 4px; justify-items: center; }
 /* Menu du choix de source du portrait : au-dessus de la fiche (z-index 1000), sous la modale Immich (2200) */
 .pc-source-backdrop { position: fixed; inset: 0; z-index: 1100; }
 .pc-source-menu { position: fixed; z-index: 1150; min-width: 220px; }
+/* Mode modification : le portrait prend la hauteur des deux champs Prénom et Nom (écart compris) et reste carré */
+.person-card--edit-mode .pc-id { padding-top: 0; }
+.person-card--edit-mode .pc-photo-wrap { display: block; }
+/* Taille fixée par les champs, pas par le contenu : une vraie photo a une taille propre qui faisait grandir le portrait */
+.person-card--edit-mode .pc-photo-wrap > .pc-photo { --pc-photo-edit: calc(var(--pc-name-h) * 2 + var(--pc-name-gap)); width: var(--pc-photo-edit); height: var(--pc-photo-edit); }
+
+.pc-photo-badge {
+  position: absolute; right: -6px; bottom: -6px; z-index: 1;
+  width: 30px; height: 30px; display: grid; place-items: center; padding: 0;
+  border: 0; border-radius: 50%; background: #fff; color: var(--pz-ink-2); cursor: pointer;
+  box-shadow: 0 0 0 1px rgba(42, 38, 34, .06), var(--pz-shadow);
+  transition: transform 140ms var(--pz-ease), background-color 160ms ease;
+  -webkit-tap-highlight-color: transparent;
+}
+@media (hover: hover) and (pointer: fine) { .pc-photo-badge:hover:not(:disabled) { background: var(--pz-a50); color: var(--pz-a700); } }
+.pc-photo-badge:active:not(:disabled) { transform: scale(.94); }
+.pc-photo-badge:focus-visible { outline: 2px solid var(--pz-a500); outline-offset: 2px; }
+.pc-photo-badge:disabled { opacity: .5; cursor: default; }
 .pc-photo-btn {
   border: 0; background: none; padding: 2px 4px; cursor: pointer;
   font: 500 12px var(--pz-sans); color: var(--pz-a700); text-decoration: underline; text-underline-offset: 2px;
 }
-.pc-photo-btn--danger { color: var(--pz-danger); }
+.pc-photo-btn--danger { color: var(--pz-danger); justify-self: center; }
 .pc-photo-btn:disabled { opacity: .5; cursor: default; }
 
 .pc-id { display: grid; gap: 6px; min-width: 0; padding-top: 4px; }
 .pc-name { margin: 0; font: 400 28px/1.08 var(--pz-serif); letter-spacing: -.01em; color: var(--pz-ink); text-wrap: balance; }
 .pc-name em { font-style: italic; font-weight: 300; }
-.pc-nick { margin: 0; font: italic 300 17px/1.3 var(--pz-serif); color: var(--pz-muted); }
-.pc-life { margin: 0; font: 400 13.5px/1.4 var(--pz-sans); color: var(--pz-muted); }
+.pc-meta { margin: 0; font: 400 13.5px/1.5 var(--pz-sans); color: var(--pz-muted); text-wrap: pretty; }
+.pc-meta-item { display: inline; }
+.pc-meta-item--nowrap { white-space: nowrap; }
+.pc-nick { font: italic 300 15.5px/1 var(--pz-serif); color: var(--pz-ink-2); }
+.pc-meta-sep { margin: 0 .45em; color: var(--pz-faint); }
 .pc-chips { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
 .pc-chips:empty { display: none; }
 /* Place dans la fratrie (mode édition) : ‹ 2 sur 3 › dans une pastille */
@@ -88,7 +108,7 @@
   .pc-order-btn:hover:not(:disabled) { background: var(--pz-line-soft); color: var(--pz-ink); }
 }
 @media (pointer: coarse) { .pc-order-btn { width: 32px; height: 32px; } }
-.pc-name-edit { display: grid; gap: 6px; }
+.pc-name-edit { display: grid; gap: var(--pc-name-gap); }
 
 /* ── Champs d'édition ── */
 .pc-input {
@@ -99,7 +119,7 @@
 }
 .pc-input:focus { outline: none; border-color: var(--pz-a500); box-shadow: 0 0 0 3px var(--pz-a100); }
 .pc-input::placeholder { color: var(--pz-faint); }
-.pc-input--name { font: 400 20px/1.2 var(--pz-serif); min-height: 42px; }
+.pc-input--name { font: 400 20px/1.2 var(--pz-serif); min-height: var(--pc-name-h); }
 .pc-input--last { font-style: italic; }
 .pc-note-input { min-height: 88px; resize: vertical; }
 
@@ -253,7 +273,7 @@
 
 /* Prénom inconnu (issue Anaïs, 18/10) : libellé en italique, case à cocher sous les champs de nom */
 .pc-name-unknown { font-style: italic; font-weight: 300; }
-.pc-unknown-first { display: inline-flex; align-items: center; gap: 7px; margin-top: 6px; font: 400 13px var(--pz-sans); color: var(--pz-ink-2); cursor: pointer; }
+.pc-unknown-first { grid-column: 1 / -1; display: flex; align-items: center; gap: 8px; margin: -4px 0 0; font: 400 12.5px var(--pz-sans); color: var(--pz-ink-2); cursor: pointer; white-space: nowrap; }
 .pc-unknown-first input { width: 15px; height: 15px; accent-color: var(--pz-a500); }
 .pc-name-error { margin: 6px 0 0; font: 500 12.5px var(--pz-sans); color: var(--pz-danger); }
 
diff --git a/frontend/src/components/PersonCard.jsx b/frontend/src/components/PersonCard.jsx
index 7f3aeaa..6af8c64 100644
--- a/frontend/src/components/PersonCard.jsx
+++ b/frontend/src/components/PersonCard.jsx
@@ -1,6 +1,6 @@
 import { useState, useEffect, useRef, forwardRef } from 'react'
 import { createPortal } from 'react-dom'
-import { Save, Trash2, Plus, X, Search, Check, Play, ImagePlus, Sparkles, ChevronLeft, ChevronRight } from 'lucide-react'
+import { Save, Trash2, Plus, X, Search, Check, Play, ImagePlus, Camera, Sparkles, ChevronLeft, ChevronRight } from 'lucide-react'
 import { getParents, getChildren, getPersonUnions, getPersonMedias, getDemoLife, filiations, persons, unions } from '../data/mockData'
 import { fetchPersonLife } from '../api/treeApi.js'
 import LifeTimeline from './LifeTimeline.jsx'
@@ -508,6 +508,12 @@ const PersonCard = ({
     return parts.join(' – ')
   })()
   const ageLabel = age === null ? null : person.isAlive ? t('{age} ans', { age }) : t('{age} ans au décès', { age })
+  // Une seule ligne sous le nom : surnom, repères de vie, âge, séparés par un point médian
+  const metaItems = [
+    person.nickname && { key: 'nick', node: <em className="pc-nick">{person.nickname}</em>, nowrap: true },
+    lifeLine && { key: 'life', node: lifeLine },
+    ageLabel && { key: 'age', node: ageLabel, nowrap: true },
+  ].filter(Boolean)
 
   const renderRelationRow = (target, relationType, meta) => (
     <div key={`${relationType}-${target?.id}`} className="pc-rel-row">
@@ -574,9 +580,10 @@ const PersonCard = ({
               className="pc-photo pc-photo--add"
               onClick={() => avatarInputRef.current?.click()}
               disabled={avatarActionLoading}
+              aria-label={t('Ajouter une photo')}
+              title={t('Ajouter une photo')}
             >
               <ImagePlus size={22} strokeWidth={1.8} aria-hidden="true" />
-              <span>{avatarActionLoading ? t('Envoi') : t('Ajouter une photo')}</span>
             </button>
           ) : (
             <div className="pc-photo">
@@ -586,29 +593,29 @@ const PersonCard = ({
             </div>
           )}
           {editMode && onAvatarUpload && (
-            <div className="pc-photo-actions">
-              <button
-                ref={sourceBtnRef}
-                type="button"
-                className="pc-photo-btn"
-                onClick={openAvatarPicker}
-                disabled={avatarActionLoading}
-                aria-haspopup="menu"
-                aria-expanded={showSourceMenu}
-              >
-                {person.photo ? t('Changer') : t('Ajouter une photo')}
-              </button>
-              {person.photo && (
-                <button
-                  type="button"
-                  className="pc-photo-btn pc-photo-btn--danger"
-                  onClick={() => onAvatarDelete?.(person.id, person.avatarFromImmich)}
-                  disabled={avatarActionLoading}
-                >
-                  {t('Retirer')}
-                </button>
-              )}
-            </div>
+            <button
+              ref={sourceBtnRef}
+              type="button"
+              className="pc-photo-badge"
+              onClick={openAvatarPicker}
+              disabled={avatarActionLoading}
+              aria-label={t('Changer la photo')}
+              title={t('Changer la photo')}
+              aria-haspopup="menu"
+              aria-expanded={showSourceMenu}
+            >
+              <Camera size={14} strokeWidth={2} aria-hidden="true" />
+            </button>
+          )}
+          {editMode && onAvatarUpload && person.photo && (
+            <button
+              type="button"
+              className="pc-photo-btn pc-photo-btn--danger"
+              onClick={() => onAvatarDelete?.(person.id, person.avatarFromImmich)}
+              disabled={avatarActionLoading}
+            >
+              {t('Retirer')}
+            </button>
           )}
         </div>
 
@@ -639,22 +646,6 @@ const PersonCard = ({
                 placeholder={t('Nom')}
                 aria-label={t('Nom')}
               />
-              {/* Visible tant que le prénom est vide, et tant qu'elle est cochée (pour pouvoir la décocher) */}
-              {(unknownFirstName || !String(getEditValue('firstName', person.firstName) ?? '').trim()) && (
-                <label className="pc-unknown-first">
-                  <input
-                    type="checkbox"
-                    checked={unknownFirstName}
-                    onChange={(e) => {
-                      setUnknownFirstName(e.target.checked)
-                      setFirstNameMissing(false)
-                      setLastNameMissing(false)
-                      handleFieldChange('firstName', '')
-                    }}
-                  />
-                  {t('Je ne connais pas son prénom')}
-                </label>
-              )}
               {firstNameMissing && <p className="pc-name-error">{t('Il faut au moins un prénom.')}</p>}
               {lastNameMissing && <p className="pc-name-error">{t('Il faut au moins un nom si le prénom est inconnu.')}</p>}
             </div>
@@ -664,10 +655,17 @@ const PersonCard = ({
               {person.lastName && <>{' '}<em>{person.lastName}</em></>}
             </h2>
           )}
-          {!editMode && person.nickname && <p className="pc-nick">{person.nickname}</p>}
-          {!editMode && lifeLine && <p className="pc-life">{lifeLine}</p>}
+          {!editMode && metaItems.length > 0 && (
+            <p className="pc-meta">
+              {metaItems.map((item, i) => (
+                <span key={item.key} className={`pc-meta-item${item.nowrap ? ' pc-meta-item--nowrap' : ''}`}>
+                  {item.node}
+                  {i < metaItems.length - 1 && <span className="pc-meta-sep" aria-hidden="true">·</span>}
+                </span>
+              ))}
+            </p>
+          )}
           <div className="pc-chips">
-            {editMode && <span className="pz-tag pz-tag--accent pz-tag--dot">{t('Édition')}</span>}
             {editMode && siblingPlace && (
               <span className="pz-tag pc-order" role="group" aria-label={t('Place {n} sur {total} parmi les frères et sœurs', { n: siblingPlace.index + 1, total: siblingPlace.count })}>
                 <button type="button" className="pc-order-btn" onClick={() => onMoveSibling?.(-1)} disabled={siblingPlace.index === 0} aria-label={t('Déplacer à gauche')} title={t('Déplacer à gauche')}>
@@ -679,10 +677,24 @@ const PersonCard = ({
                 </button>
               </span>
             )}
-            {!editMode && ageLabel && <span className="pz-tag">{ageLabel}</span>}
             {!editMode && person.profession && <span className="pz-tag">{person.profession}</span>}
           </div>
         </div>
+        {editMode && ((unknownFirstName || !String(getEditValue('firstName', person.firstName) ?? '').trim())) && (
+          <label className="pc-unknown-first">
+            <input
+              type="checkbox"
+              checked={unknownFirstName}
+              onChange={(e) => {
+                setUnknownFirstName(e.target.checked)
+                setFirstNameMissing(false)
+                setLastNameMissing(false)
+                handleFieldChange('firstName', '')
+              }}
+            />
+            {t('Je ne connais pas son prénom')}
+          </label>
+        )}
       </header>
 
       {avatarActionError && <div className="pz-error pc-inline-msg">{avatarActionError}</div>}
diff --git a/frontend/src/components/SettingsPanels.css b/frontend/src/components/SettingsPanels.css
index 75a02cf..8dd5b81 100644
--- a/frontend/src/components/SettingsPanels.css
+++ b/frontend/src/components/SettingsPanels.css
@@ -67,9 +67,12 @@
 .contrib-invite-passwords { display: grid; gap: 6px; }
 .contrib-pass-hint { margin: 2px 4px 0; font: 400 12.5px/1.45 var(--pz-sans); color: var(--pz-muted); }
 .contrib-invite-message { display: grid; gap: 8px; }
+.contrib-invite-message-row { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 6px 12px; }
+.contrib-invite-message-label { font: 500 12.5px var(--pz-sans); color: var(--pz-muted); }
+.contrib-link-btn { border: 0; padding: 4px 2px; background: none; cursor: pointer; font: 500 12.5px var(--pz-sans); color: var(--pz-a700); text-decoration: underline; text-underline-offset: 2px; }
+.contrib-link-btn:focus-visible { outline: 2px solid var(--pz-a500); outline-offset: 2px; border-radius: 4px; }
 .contrib-invite-textarea { width: 100%; box-sizing: border-box; padding: 12px 14px; background: var(--pz-surface); border: 1px solid var(--pz-line); border-radius: var(--pz-r-m); font: 400 13.5px/1.5 var(--pz-sans); color: var(--pz-ink-2); resize: vertical; outline: none; field-sizing: content; min-height: 9.5lh; }
 .contrib-invite-textarea:focus { border-color: var(--pz-a500); box-shadow: 0 0 0 3px var(--pz-a100); }
-.contrib-invite-message-actions { display: flex; justify-content: flex-end; }
 .contrib-role-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; padding: 8px 8px 8px 12px; background: var(--pz-surface); border: 1px solid var(--pz-line); border-radius: var(--pz-r-m); }
 .contrib-role-badge { display: grid; gap: 1px; min-width: 130px; flex: 1; }
 .contrib-role-badge strong { font: 500 14px var(--pz-sans); color: var(--pz-ink); }
diff --git a/frontend/src/i18n/en/contribution.js b/frontend/src/i18n/en/contribution.js
index 27e06d3..4cb9798 100644
--- a/frontend/src/i18n/en/contribution.js
+++ b/frontend/src/i18n/en/contribution.js
@@ -52,7 +52,6 @@ export default {
   // ─── Panneau de relecture ───
   'Copie indisponible': 'Copy unavailable',
   'Minimum 8 caractères.': 'At least 8 characters.',
-  'Partager et relire': 'Share and review',
   'La famille {em}': 'The family {em}',
   'participe': 'joins in',
   'Fermer': 'Close',
@@ -82,7 +81,9 @@ export default {
     'Changing the password means everyone who has already opened the tree will need to enter the new one.',
   'Le message à envoyer': 'The message to send',
   'Message copié': 'Message copied',
-  'Copier le message': 'Copy message',
+  "Copier le message d'invitation": 'Copy invitation message',
+  'Voir ou modifier le message': 'View or edit the message',
+  'Masquer le message': 'Hide the message',
   'Propositions à relire': 'Suggestions to review',
   'Acceptez ou refusez chaque modification, puis appliquez vos choix.': 'Accept or decline each change, then apply your choices.',
   'Actualiser': 'Refresh',
diff --git a/frontend/src/i18n/en/fiche.js b/frontend/src/i18n/en/fiche.js
index c6eff76..5db8474 100644
--- a/frontend/src/i18n/en/fiche.js
+++ b/frontend/src/i18n/en/fiche.js
@@ -19,6 +19,7 @@ export default {
   'Fermer la fiche': 'Close profile',
   'Changer': 'Change',
   'Ajouter une photo': 'Add a photo',
+  'Changer la photo': 'Change photo',
   'Retirer': 'Remove',
   'Prénom': 'First name',
   'Nom': 'Last name',
diff --git a/landing/src/App.jsx b/landing/src/App.jsx
index b316f59..55f80ae 100644
--- a/landing/src/App.jsx
+++ b/landing/src/App.jsx
@@ -773,14 +773,27 @@ function Header({ t, onCta, loginHref, elevated }) {
   return (
     <header className={`site-nav${elevated ? ' is-elevated' : ''}`}>
       <div className="wrap nav-in">
-        <a href={t.home} aria-label={t.logoHome}><LogoLockup height={22} /></a>
+        <a href={t.home} aria-label={t.logoHome} className="site-logo">
+          {/* Sur téléphone, le symbole seul : le nom « Parenthèse » reste dans le nom accessible du lien */}
+          <LogoLockup height={22} className="lg lk lk-full" decorative />
+          <LogoLockup height={24} mark className="lg lk lk-mark" decorative />
+        </a>
         <nav aria-label="Sections">
           <a href="#comment">{t.nav.how}</a>
           <a href="#demo">{t.nav.demo}</a>
           {t.nav.privacy && <a href={t.privacyHref}>{t.nav.privacy}</a>}
-          <a href={loginHref}>{t.nav.login}</a>
         </nav>
-        <button type="button" onClick={onCta} className="btn p sm">{t.cta}</button>
+        <div className="nav-cta">
+          <a href={loginHref} className="btn s sm nav-login" aria-label={t.nav.login}>
+            {/* Silhouette de profil, icône « user » de Lucide (ISC), tracée à la main : la landing n'embarque pas la bibliothèque */}
+            <svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2" strokeLinecap="round" strokeLinejoin="round" aria-hidden="true">
+              <circle cx="12" cy="7" r="4" />
+              <path d="M4 21v-1a6 6 0 0 1 6-6h4a6 6 0 0 1 6 6v1" />
+            </svg>
+            <span className="nav-login-text">{t.nav.login}</span>
+          </a>
+          <button type="button" onClick={onCta} className="btn p sm">{t.cta}</button>
+        </div>
       </div>
     </header>
   )
diff --git a/landing/src/LogoLockup.jsx b/landing/src/LogoLockup.jsx
index 7dbccf5..5b46c79 100644
--- a/landing/src/LogoLockup.jsx
+++ b/landing/src/LogoLockup.jsx
@@ -4,25 +4,29 @@ import { LOGO_NOM } from './logoNomPaths.js'
 // Logo de l'en-tête en SVG en ligne, pour animer son arrivée : les parenthèses s'ouvrent,
 // le rond se pose, le nom suit. Une fois par visite, décidé dans index.html (classe
 // logo-intro sur <html>), animation dans index.css. Même dessin que /logo.svg, rapport 7,541.
-export default function LogoLockup({ height = 22 }) {
+// Symbole seul (parenthèses et rond, sans le nom) : emprise mesurée sur le dessin, pour le téléphone
+export default function LogoLockup({ height = 22, mark = false, decorative = false, className = 'lg lk' }) {
+  const viewBox = mark ? '-940 -1585 1880 1680' : '-951.9 -1596.5 12857.7 1704.9'
+  const width = mark ? Math.round(height * 1880 / 1680) : Math.round(height * 7.541)
   return (
     <svg
-      className="lg lk"
-      viewBox="-951.9 -1596.5 12857.7 1704.9"
-      width={Math.round(height * 7.541)}
+      className={className}
+      viewBox={viewBox}
+      width={width}
       height={height}
       style={{ height }}
-      role="img"
-      aria-label="Parenthèse"
+      {...(decorative ? { 'aria-hidden': 'true', focusable: 'false' } : { role: 'img', 'aria-label': 'Parenthèse' })}
     >
       <g className="lk-pl"><path transform="scale(1,-1)" d={PAREN_LEFT} /></g>
       <g className="lk-pr"><path transform="scale(1,-1)" d={PAREN_RIGHT} /></g>
       <circle className="lk-dot" cx="0" cy="-744" r="424.3" />
-      <g className="lk-nom">
-        <g transform="scale(1,-1)">
-          {LOGO_NOM.map((d, i) => <path key={i} d={d} />)}
+      {!mark && (
+        <g className="lk-nom">
+          <g transform="scale(1,-1)">
+            {LOGO_NOM.map((d, i) => <path key={i} d={d} />)}
+          </g>
         </g>
-      </g>
+      )}
     </svg>
   )
 }
diff --git a/landing/src/index.css b/landing/src/index.css
index d623f66..2c05c97 100644
--- a/landing/src/index.css
+++ b/landing/src/index.css
@@ -78,12 +78,18 @@ em.s { font-style: italic; font-weight: 300; }
 .site-nav.is-elevated { border-bottom-color: var(--trait); }
 .nav-in { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 68px; }
 .nav-in nav { display: flex; gap: 4px; }
+.nav-cta { display: flex; align-items: center; gap: 8px; flex: none; }
+.nav-login svg { flex: none; }
+/* Connexion : fond blanc, sans contour, même hauteur que « Créer mon arbre » (btn sm) */
+.btn.s.nav-login { background: #fff; color: var(--encre); box-shadow: none; }
+@media (hover: hover) and (pointer: fine) { .btn.s.nav-login:hover { background: var(--a50); } }
 .nav-in nav a {
   font: 500 14px var(--sans); color: var(--encre2); text-decoration: none;
   padding: 8px 12px; border-radius: 999px; transition: background-color 160ms ease;
 }
 @media (hover: hover) { .nav-in nav a:hover { background: var(--a100); } }
 .lg { display: block; width: auto; }
+.site-logo .lk-mark { display: none; }
 
 /* logo de l'en-tête (SVG en ligne) */
 .lk-pl path, .lk-pr path { fill: var(--encre); stroke: var(--encre); stroke-width: 48.1; stroke-linejoin: round; }
@@ -237,6 +243,13 @@ html.logo-intro .lk-nom { animation: lk-nom 700ms var(--ease-out) 380ms both; }
 @media (max-width: 820px) {
   .steps, .promise, .guides { grid-template-columns: 1fr; }
   .nav-in nav { display: none; }
+  /* Téléphone : symbole du logo seul, icône de profil ronde à gauche de « Créer mon arbre », le texte passe en aria-label */
+  .site-logo .lk-full { display: none; }
+  .site-logo .lk-mark { display: block; }
+  .btn.s.nav-login { width: 34px; height: 34px; padding: 0; border-radius: 50%; }
+  .nav-in { gap: 10px; }
+  .nav-cta { gap: 6px; }
+  .nav-login-text { display: none; }
 }
 @media (max-width: 560px) {
   .hero { padding-top: 8px; }