feat(web): new style and calculator revisited

frontend/src/assets/i18n/en.json

@@ -11,14 +11,14 @@
   },
   "CALC": {
     "TITLE": "3D Print Calculator",
-    "SUBTITLE": "Upload your STL file and get an instant estimate of printing costs and time.",
+    "SUBTITLE": "Upload your 3D file (STL, 3MF, STEP...) and get an instant estimate of costs and print time.",
     "CTA_START": "Start Now",
     "BUSINESS": "Business",
     "PRIVATE": "Private",
-    "MODE_EASY": "Easy",
+    "MODE_EASY": "Quick",
     "MODE_ADVANCED": "Advanced",
-    "UPLOAD_LABEL": "Drag your STL file here",
-    "UPLOAD_SUB": "Supports STL, OBJ up to 50MB",
+    "UPLOAD_LABEL": "Drag your 3D file here",
+    "UPLOAD_SUB": "Supports STL, 3MF, STEP, OBJ up to 50MB",
     "MATERIAL": "Material",
     "QUALITY": "Quality",
     "QUANTITY": "Quantity",
@@ -28,15 +28,36 @@
     "TIME": "Print Time",
     "COST": "Total Cost",
     "ORDER": "Order Now",
-    "CONSULT": "Request Consultation"
+    "CONSULT": "Request Consultation",
+    "ERROR_GENERIC": "An error occurred while calculating the quote.",
+    "BENEFITS_TITLE": "Why choose us?",
+    "BENEFITS_1": "Automatic quote with instant cost and time",
+    "BENEFITS_2": "Selected materials and quality control",
+    "BENEFITS_3": "CAD consultation if file needs modifications",
+    "ERR_FILE_REQUIRED": "File is required."
   },
   "SHOP": {
-    "TITLE": "Filaments & Accessories",
+    "TITLE": "Technical solutions",
+    "SUBTITLE": "Ready-made products solving practical problems, no useless decorations.",
     "ADD_CART": "Add to Cart",
     "BACK": "Back to Shop"
   },
   "ABOUT": {
     "TITLE": "About Us",
+    "EYEBROW": "3D Printing Lab",
+    "SUBTITLE": "Transparency on price, quality and time. Technical and CAD consultation for businesses and individuals.",
+    "HOW_TITLE": "How we work",
+    "HOW_TEXT": "We offer an automatic quote for those who already have the 3D file, and a consultation path for those who need to design or optimize the model.",
+    "PILL_1": "Instant Quote",
+    "PILL_2": "Technical Consultation",
+    "PILL_3": "Small series up to 500 pcs",
+    "SERVICES_TITLE": "Main Services",
+    "SERVICE_1": "FDM 3D printing for prototypes and small series",
+    "SERVICE_2": "Technical materials on request",
+    "SERVICE_3": "CAD support and post-processing",
+    "SERVICE_4": "File verification and optimization for printing",
+    "TARGET_TITLE": "Who is it for",
+    "TARGET_TEXT": "Small businesses, freelancers, makers and customers looking for a ready-made product from the shop.",
     "CONTACT_US": "Contact Us",
     "SEND": "Send Message"
   }