diff --git a/src/ui/screens/home_screen.py b/src/ui/screens/home_screen.py
index 36cd228..f9840ef 100644
--- a/src/ui/screens/home_screen.py
+++ b/src/ui/screens/home_screen.py
@@ -1,132 +1,419 @@
-"""Écran d'accueil — choix du mode d'import."""
+"""Écran d'accueil — choix du mode d'import avec instructions."""
 
 from PyQt6.QtWidgets import (
-    QWidget, QVBoxLayout, QHBoxLayout, QPushButton, QLabel
+    QWidget, QVBoxLayout, QHBoxLayout, QPushButton, QLabel,
+    QStackedWidget, QSizePolicy
 )
-from PyQt6.QtCore import Qt
-from PyQt6.QtGui import QFont
+from PyQt6.QtCore import Qt, QTimer
+from PyQt6.QtGui import QFont, QPixmap, QImage
 
 from services.usb_watcher import UsbWatcher
 
+WIFI_AP_NAME = "Photostation"
+WIFI_AP_PASSWORD = "photo1234"
+EMAIL_ADDRESS = "photo@photostation.local"
+
+BTN_STYLE = """
+    QPushButton {{
+        background-color: {bg};
+        color: white;
+        border-radius: 15px;
+        padding: 20px;
+    }}
+    QPushButton:pressed {{
+        background-color: {pressed};
+    }}
+"""
+BTN_BLUE = BTN_STYLE.format(bg="#2196F3", pressed="#1976D2")
+BTN_GREEN = BTN_STYLE.format(bg="#4CAF50", pressed="#388E3C")
+
+BACK_BTN_STYLE = """
+    QPushButton {
+        background-color: #757575;
+        color: white;
+        border-radius: 10px;
+        padding: 10px 30px;
+    }
+    QPushButton:pressed { background-color: #616161; }
+"""
+
+INFO_STYLE = """
+    QLabel {
+        color: #333;
+        padding: 10px;
+    }
+"""
+
+HIGHLIGHT_STYLE = """
+    QLabel {
+        background-color: #E3F2FD;
+        border: 2px solid #2196F3;
+        border-radius: 10px;
+        padding: 15px;
+        color: #1565C0;
+        font-size: 20px;
+    }
+"""
+
+ERROR_STYLE = """
+    QLabel {
+        background-color: #FFEBEE;
+        border: 2px solid #F44336;
+        border-radius: 10px;
+        padding: 15px;
+        color: #C62828;
+    }
+"""
+
+SUCCESS_STYLE = """
+    QLabel {
+        background-color: #E8F5E9;
+        border: 2px solid #4CAF50;
+        border-radius: 10px;
+        padding: 15px;
+        color: #2E7D32;
+    }
+"""
+
 
 class HomeScreen(QWidget):
     def __init__(self, main_window):
         super().__init__()
         self.main_window = main_window
+        self._usb_photos = []
+        self._usb_mount = None
         self._setup_ui()
         self._setup_usb_watcher()
 
     def _setup_ui(self):
         layout = QVBoxLayout(self)
-        layout.setAlignment(Qt.AlignmentFlag.AlignCenter)
-        layout.setSpacing(40)
+        layout.setContentsMargins(20, 20, 20, 20)
+        layout.setSpacing(20)
 
-        # Titre
+        # Titre (toujours visible)
         title = QLabel("Photostation")
-        title.setFont(QFont("", 48, QFont.Weight.Bold))
+        title.setFont(QFont("", 42, QFont.Weight.Bold))
         title.setAlignment(Qt.AlignmentFlag.AlignCenter)
         layout.addWidget(title)
 
-        subtitle = QLabel("Sélectionnez un mode d'import")
-        subtitle.setFont(QFont("", 20))
+        # Zone switchable : choix des modes OU instructions d'un mode
+        self.stack = QStackedWidget()
+        layout.addWidget(self.stack, 1)
+
+        # Page 0 : Choix des modes
+        self.stack.addWidget(self._build_mode_selection())
+        # Page 1 : Instructions USB
+        self.stack.addWidget(self._build_usb_instructions())
+        # Page 2 : Instructions WiFi
+        self.stack.addWidget(self._build_wifi_instructions())
+        # Page 3 : Instructions QR Code
+        self.stack.addWidget(self._build_qr_instructions())
+        # Page 4 : Instructions Email
+        self.stack.addWidget(self._build_email_instructions())
+
+    # ─── Page 0 : Sélection des modes ───
+
+    def _build_mode_selection(self):
+        page = QWidget()
+        layout = QVBoxLayout(page)
+        layout.setAlignment(Qt.AlignmentFlag.AlignCenter)
+        layout.setSpacing(30)
+
+        subtitle = QLabel("Comment souhaitez-vous envoyer vos photos ?")
+        subtitle.setFont(QFont("", 18))
         subtitle.setAlignment(Qt.AlignmentFlag.AlignCenter)
         layout.addWidget(subtitle)
 
-        # Status USB
-        self.usb_status = QLabel("")
-        self.usb_status.setFont(QFont("", 14))
-        self.usb_status.setAlignment(Qt.AlignmentFlag.AlignCenter)
-        self.usb_status.setStyleSheet("color: #4CAF50;")
-        layout.addWidget(self.usb_status)
-
-        # Boutons d'import
         buttons_layout = QHBoxLayout()
         buttons_layout.setSpacing(20)
 
         modes = [
-            ("USB", "Clé USB", self._import_usb),
-            ("WiFi", "Depuis téléphone", self._import_wifi),
-            ("QR Code", "Scanner pour envoyer", self._import_qr),
-            ("Email", "Recevoir par mail", self._import_email),
+            ("USB", "Clé USB", self._show_usb),
+            ("WiFi", "Depuis téléphone", self._show_wifi),
+            ("QR Code", "Scanner pour\nenvoyer", self._show_qr),
+            ("Email", "Recevoir par\nmail", self._show_email),
         ]
 
-        self.buttons = {}
+        self.mode_buttons = {}
         for label, desc, callback in modes:
-            btn = self._create_mode_button(label, desc)
+            btn = QPushButton(f"{label}\n\n{desc}")
+            btn.setFont(QFont("", 16))
+            btn.setMinimumSize(200, 150)
+            btn.setStyleSheet(BTN_BLUE)
             btn.clicked.connect(callback)
             buttons_layout.addWidget(btn)
-            self.buttons[label] = btn
+            self.mode_buttons[label] = btn
 
         layout.addLayout(buttons_layout)
+        return page
 
-    def _create_mode_button(self, label, description):
-        btn = QPushButton(f"{label}\n{description}")
-        btn.setFont(QFont("", 16))
-        btn.setMinimumSize(200, 150)
-        btn.setStyleSheet("""
-            QPushButton {
-                background-color: #2196F3;
-                color: white;
-                border-radius: 15px;
-                padding: 20px;
-            }
-            QPushButton:pressed {
-                background-color: #1976D2;
-            }
-            QPushButton:disabled {
-                background-color: #9E9E9E;
-            }
-        """)
-        return btn
+    # ─── Page 1 : USB ───
+
+    def _build_usb_instructions(self):
+        page = QWidget()
+        layout = QVBoxLayout(page)
+        layout.setAlignment(Qt.AlignmentFlag.AlignCenter)
+        layout.setSpacing(25)
+
+        # Instruction principale
+        instruction = QLabel("Insérez votre clé USB dans le port\nde la borne")
+        instruction.setFont(QFont("", 24))
+        instruction.setAlignment(Qt.AlignmentFlag.AlignCenter)
+        layout.addWidget(instruction)
+
+        # Zone de status (change dynamiquement)
+        self.usb_status_label = QLabel("En attente de la clé USB...")
+        self.usb_status_label.setFont(QFont("", 18))
+        self.usb_status_label.setAlignment(Qt.AlignmentFlag.AlignCenter)
+        self.usb_status_label.setMinimumHeight(70)
+        self.usb_status_label.setStyleSheet(HIGHLIGHT_STYLE)
+        layout.addWidget(self.usb_status_label)
+
+        # Bouton continuer (masqué tant que pas de clé)
+        self.usb_continue_btn = QPushButton("Continuer")
+        self.usb_continue_btn.setFont(QFont("", 18, QFont.Weight.Bold))
+        self.usb_continue_btn.setMinimumSize(250, 60)
+        self.usb_continue_btn.setStyleSheet(BTN_GREEN)
+        self.usb_continue_btn.clicked.connect(self._import_usb)
+        self.usb_continue_btn.hide()
+        layout.addWidget(self.usb_continue_btn, alignment=Qt.AlignmentFlag.AlignCenter)
+
+        # Bouton retour
+        back = QPushButton("Retour")
+        back.setFont(QFont("", 14))
+        back.setStyleSheet(BACK_BTN_STYLE)
+        back.clicked.connect(self._show_modes)
+        layout.addWidget(back, alignment=Qt.AlignmentFlag.AlignCenter)
+
+        return page
+
+    # ─── Page 2 : WiFi ───
+
+    def _build_wifi_instructions(self):
+        page = QWidget()
+        layout = QVBoxLayout(page)
+        layout.setAlignment(Qt.AlignmentFlag.AlignCenter)
+        layout.setSpacing(25)
+
+        instruction = QLabel("Connectez-vous au réseau WiFi\nde la borne depuis votre téléphone")
+        instruction.setFont(QFont("", 24))
+        instruction.setAlignment(Qt.AlignmentFlag.AlignCenter)
+        layout.addWidget(instruction)
+
+        # Infos réseau
+        info_box = QWidget()
+        info_layout = QVBoxLayout(info_box)
+        info_layout.setSpacing(10)
+
+        net_name = QLabel(f"Nom du réseau :  {WIFI_AP_NAME}")
+        net_name.setFont(QFont("", 22, QFont.Weight.Bold))
+        net_name.setAlignment(Qt.AlignmentFlag.AlignCenter)
+        net_name.setStyleSheet(HIGHLIGHT_STYLE)
+        info_layout.addWidget(net_name)
+
+        net_pass = QLabel(f"Mot de passe :  {WIFI_AP_PASSWORD}")
+        net_pass.setFont(QFont("", 22, QFont.Weight.Bold))
+        net_pass.setAlignment(Qt.AlignmentFlag.AlignCenter)
+        net_pass.setStyleSheet(HIGHLIGHT_STYLE)
+        info_layout.addWidget(net_pass)
+
+        layout.addWidget(info_box)
+
+        step2 = QLabel("Une fois connecté, une page s'ouvrira\nautomatiquement pour envoyer vos photos")
+        step2.setFont(QFont("", 16))
+        step2.setAlignment(Qt.AlignmentFlag.AlignCenter)
+        step2.setStyleSheet("color: #666;")
+        layout.addWidget(step2)
+
+        # Status connexions
+        self.wifi_status_label = QLabel("En attente de connexion...")
+        self.wifi_status_label.setFont(QFont("", 16))
+        self.wifi_status_label.setAlignment(Qt.AlignmentFlag.AlignCenter)
+        self.wifi_status_label.setStyleSheet(INFO_STYLE)
+        layout.addWidget(self.wifi_status_label)
+
+        back = QPushButton("Retour")
+        back.setFont(QFont("", 14))
+        back.setStyleSheet(BACK_BTN_STYLE)
+        back.clicked.connect(self._show_modes)
+        layout.addWidget(back, alignment=Qt.AlignmentFlag.AlignCenter)
+
+        return page
+
+    # ─── Page 3 : QR Code ───
+
+    def _build_qr_instructions(self):
+        page = QWidget()
+        layout = QVBoxLayout(page)
+        layout.setAlignment(Qt.AlignmentFlag.AlignCenter)
+        layout.setSpacing(20)
+
+        instruction = QLabel("Scannez ce QR code avec votre téléphone\npour envoyer vos photos")
+        instruction.setFont(QFont("", 24))
+        instruction.setAlignment(Qt.AlignmentFlag.AlignCenter)
+        layout.addWidget(instruction)
+
+        # QR Code affiché
+        self.qr_image_label = QLabel()
+        self.qr_image_label.setFixedSize(250, 250)
+        self.qr_image_label.setAlignment(Qt.AlignmentFlag.AlignCenter)
+        self.qr_image_label.setStyleSheet("background-color: white; border: 2px solid #ccc; border-radius: 10px;")
+        layout.addWidget(self.qr_image_label, alignment=Qt.AlignmentFlag.AlignCenter)
+
+        # URL affichée en texte aussi
+        self.qr_url_label = QLabel("")
+        self.qr_url_label.setFont(QFont("", 14))
+        self.qr_url_label.setAlignment(Qt.AlignmentFlag.AlignCenter)
+        self.qr_url_label.setStyleSheet("color: #666;")
+        layout.addWidget(self.qr_url_label)
+
+        hint = QLabel("Envoyez vos photos depuis la page web\nqui s'ouvrira sur votre téléphone")
+        hint.setFont(QFont("", 16))
+        hint.setAlignment(Qt.AlignmentFlag.AlignCenter)
+        hint.setStyleSheet("color: #666;")
+        layout.addWidget(hint)
+
+        # Status réception
+        self.qr_status_label = QLabel("En attente de photos...")
+        self.qr_status_label.setFont(QFont("", 16))
+        self.qr_status_label.setAlignment(Qt.AlignmentFlag.AlignCenter)
+        self.qr_status_label.setStyleSheet(INFO_STYLE)
+        layout.addWidget(self.qr_status_label)
+
+        back = QPushButton("Retour")
+        back.setFont(QFont("", 14))
+        back.setStyleSheet(BACK_BTN_STYLE)
+        back.clicked.connect(self._show_modes)
+        layout.addWidget(back, alignment=Qt.AlignmentFlag.AlignCenter)
+
+        return page
+
+    # ─── Page 4 : Email ───
+
+    def _build_email_instructions(self):
+        page = QWidget()
+        layout = QVBoxLayout(page)
+        layout.setAlignment(Qt.AlignmentFlag.AlignCenter)
+        layout.setSpacing(25)
+
+        instruction = QLabel("Envoyez vos photos par email\nà l'adresse suivante :")
+        instruction.setFont(QFont("", 24))
+        instruction.setAlignment(Qt.AlignmentFlag.AlignCenter)
+        layout.addWidget(instruction)
+
+        # Adresse email mise en évidence
+        self.email_address_label = QLabel(EMAIL_ADDRESS)
+        self.email_address_label.setFont(QFont("", 28, QFont.Weight.Bold))
+        self.email_address_label.setAlignment(Qt.AlignmentFlag.AlignCenter)
+        self.email_address_label.setStyleSheet(HIGHLIGHT_STYLE)
+        self.email_address_label.setTextInteractionFlags(Qt.TextInteractionFlag.TextSelectableByMouse)
+        layout.addWidget(self.email_address_label)
+
+        hint = QLabel("Joignez vos photos en pièce jointe\net envoyez depuis votre téléphone")
+        hint.setFont(QFont("", 16))
+        hint.setAlignment(Qt.AlignmentFlag.AlignCenter)
+        hint.setStyleSheet("color: #666;")
+        layout.addWidget(hint)
+
+        # Status réception
+        self.email_status_label = QLabel("En attente de réception...")
+        self.email_status_label.setFont(QFont("", 16))
+        self.email_status_label.setAlignment(Qt.AlignmentFlag.AlignCenter)
+        self.email_status_label.setStyleSheet(INFO_STYLE)
+        layout.addWidget(self.email_status_label)
+
+        back = QPushButton("Retour")
+        back.setFont(QFont("", 14))
+        back.setStyleSheet(BACK_BTN_STYLE)
+        back.clicked.connect(self._show_modes)
+        layout.addWidget(back, alignment=Qt.AlignmentFlag.AlignCenter)
+
+        return page
+
+    # ─── Navigation entre pages ───
+
+    def _show_modes(self):
+        self.stack.setCurrentIndex(0)
+
+    def _show_usb(self):
+        self._update_usb_status()
+        self.stack.setCurrentIndex(1)
+
+    def _show_wifi(self):
+        self.stack.setCurrentIndex(2)
+
+    def _show_qr(self):
+        self._generate_qr()
+        self.stack.setCurrentIndex(3)
+
+    def _show_email(self):
+        self.stack.setCurrentIndex(4)
+
+    # ─── USB ───
 
     def _setup_usb_watcher(self):
         self.usb_watcher = UsbWatcher(self)
         self.usb_watcher.usb_inserted.connect(self._on_usb_inserted)
         self.usb_watcher.usb_removed.connect(self._on_usb_removed)
         self.usb_watcher.start()
-        self._usb_photos = []
-        self._usb_mount = None
 
     def _on_usb_inserted(self, mount_path, photos):
         self._usb_mount = mount_path
         self._usb_photos = photos
-        count = len(photos)
-        self.usb_status.setText(f"Clé USB détectée — {count} photo{'s' if count != 1 else ''}")
-        self.buttons["USB"].setStyleSheet("""
-            QPushButton {
-                background-color: #4CAF50;
-                color: white;
-                border-radius: 15px;
-                padding: 20px;
-            }
-            QPushButton:pressed { background-color: #388E3C; }
-        """)
+        self.mode_buttons["USB"].setStyleSheet(BTN_GREEN)
+        self._update_usb_status()
 
     def _on_usb_removed(self, mount_path):
         if mount_path == self._usb_mount:
             self._usb_mount = None
             self._usb_photos = []
-            self.usb_status.setText("")
-            self.buttons["USB"].setStyleSheet("""
-                QPushButton {
-                    background-color: #2196F3;
-                    color: white;
-                    border-radius: 15px;
-                    padding: 20px;
-                }
-                QPushButton:pressed { background-color: #1976D2; }
-            """)
+            self.mode_buttons["USB"].setStyleSheet(BTN_BLUE)
+            self._update_usb_status()
+
+    def _update_usb_status(self):
+        if self._usb_photos:
+            count = len(self._usb_photos)
+            self.usb_status_label.setText(
+                f"Clé USB détectée — {count} photo{'s' if count != 1 else ''} trouvée{'s' if count != 1 else ''}"
+            )
+            self.usb_status_label.setStyleSheet(SUCCESS_STYLE)
+            self.usb_continue_btn.show()
+        else:
+            self.usb_status_label.setText("Clé USB non détectée\nInsérez votre clé USB puis patientez quelques secondes")
+            self.usb_status_label.setStyleSheet(ERROR_STYLE)
+            self.usb_continue_btn.hide()
 
     def _import_usb(self):
         if self._usb_photos:
             self.main_window.import_screen.set_photos(self._usb_photos)
             self.main_window.show_import()
 
-    def _import_wifi(self):
-        self.main_window.show_import()
+    # ─── QR Code ───
 
-    def _import_qr(self):
-        self.main_window.show_import()
+    def _generate_qr(self):
+        try:
+            import qrcode
+            import io
 
-    def _import_email(self):
-        self.main_window.show_import()
+            upload_url = f"http://192.168.4.1/upload"
+            qr = qrcode.QRCode(version=1, box_size=8, border=2)
+            qr.add_data(upload_url)
+            qr.make(fit=True)
+            img = qr.make_image(fill_color="black", back_color="white")
+
+            # PIL Image -> QPixmap
+            buffer = io.BytesIO()
+            img.save(buffer, format="PNG")
+            buffer.seek(0)
+            qimage = QImage()
+            qimage.loadFromData(buffer.read())
+            pixmap = QPixmap.fromImage(qimage)
+
+            self.qr_image_label.setPixmap(
+                pixmap.scaled(230, 230, Qt.AspectRatioMode.KeepAspectRatio,
+                              Qt.TransformationMode.SmoothTransformation)
+            )
+            self.qr_url_label.setText(upload_url)
+        except ImportError:
+            self.qr_image_label.setText("Module qrcode\nnon installé")
+            self.qr_url_label.setText("")