diff --git a/.env.example b/.env.example
index c7b05316..82617571 100644
--- a/.env.example
+++ b/.env.example
@@ -29,11 +29,9 @@ PUBLIC_TIPPING_TIPJAR_ID=""
 PUBLIC_TIPPING_DEFAULT_AMOUNT=""
 PUBLIC_TIPPING_DEFAULT_CHECKED="false"
 
-# Campaign limit
-# Set a recurring day and month (DD-MM) to prevent projects from being in
-# campaign past that date; the year is implicit and repeats every year
-# Leave the value empty to disable the limit
-PUBLIC_CAMPAIGN_MAX_END_DATE=""
+# Campaign limits
+PUBLIC_CAMPAIGN_MIN_REV_DAYS=14
+PUBLIC_CAMPAIGN_MAX_END_DATE="" # Accepts partial values, leave empty to disable limit
 
 # Facebook's share dialog
 # https://developers.facebook.com/docs/sharing/reference/share-dialog
diff --git a/src/components/admin/charges/steps/StepCharge.svelte b/src/components/admin/charges/steps/StepCharge.svelte
index 9dbf6015..8372511a 100644
--- a/src/components/admin/charges/steps/StepCharge.svelte
+++ b/src/components/admin/charges/steps/StepCharge.svelte
@@ -299,8 +299,7 @@
             labelText={$t("pages.admin.charges.headers.amount")}
             helperText={$t("pages.admin.charges.create.fields.amountHelper")}
             required={true}
-            onInput={(e) =>
-                onAmountInput(e.target instanceof HTMLInputElement ? e.target.value : "")}
+            onInput={(value) => onAmountInput(value.toString())}
             onBlur={onAmountBlur}
         />
         <Select
diff --git a/src/components/create/CreateProjectForm.svelte b/src/components/create/CreateProjectForm.svelte
index c67f15a6..a7491c2e 100644
--- a/src/components/create/CreateProjectForm.svelte
+++ b/src/components/create/CreateProjectForm.svelte
@@ -1,255 +1,151 @@
 <script lang="ts">
-    import { onDestroy } from "svelte";
+    import { twJoin } from "tailwind-merge";
 
-    import { t } from "../../i18n/store";
+    import { locale, t } from "../../i18n/store";
     import {
-        apiProjectsPost,
-        apiProjectsIdPatch,
         type Category,
-        type ProjectProjectCreationDto,
+        type ApiProjectsPostData,
+        type Territory,
+        apiCategoriesIdOrSlugGetUrl,
+        apiProjectsPost,
     } from "../../openapi/client";
     import { client } from "../../openapi/client/client.gen";
-    import { apiCategoriesIdOrSlugGetUrl } from "../../openapi/client/operation-paths.gen";
+    import { CAMPAIGN_MAX_END_DATE, CAMPAIGN_MIN_START_DATE } from "../../utils/dates";
+    import { getValidationParams } from "../../utils/validation";
     import {
-        validateCreateForm,
-        validateField,
-        type ValidationErrors,
-    } from "../../stores/drafts/draftValidation";
-    import {
-        createDraft,
-        currentDraft,
-        markFieldAsTouched,
-        touchedFields,
-        updateProject,
-        isCreateFormValid,
-        project,
-        validationErrors,
-        type CreateProjectForm,
-    } from "../../stores/drafts/projectDraft";
-    import { maxEndDate } from "../../utils/campaign";
-    import { getDefaultCurrency } from "../../utils/consts";
-    import { formatCurrency } from "../../utils/currencies";
+        zCreateProjectForm,
+        zProjectCampaignRelease,
+    } from "../../validation/projectValidation";
     import Button from "../library/buttons/Button.svelte";
     import BaseCard from "../library/cards/BaseCard.svelte";
-    import AddressAutocomplete from "../library/inputs/AddressAutocomplete.svelte";
     import CategorySelect from "../library/inputs/CategorySelect.svelte";
     import DateInput from "../library/inputs/DateInput.svelte";
+    import TerritoryInput from "../library/inputs/TerritoryInput.svelte";
+    import TextArea from "../library/inputs/TextArea.svelte";
     import TextInput from "../library/inputs/TextInput.svelte";
     import Title from "../library/typography/Title.svelte";
 
-    let releaseDate = $state($project.release ? new Date($project.release) : new Date());
+    import type z from "zod";
 
     let { categories }: { categories: Category[] } = $props();
 
-    // Track if form has been submitted once (for showing all errors)
-    let submitted = $state(false);
+    let form: Partial<ApiProjectsPostData["body"]> = $state({
+        title: "",
+        subtitle: "",
+        categories: [],
+        calendar: {
+            release: CAMPAIGN_MIN_START_DATE.toISOString(),
+        },
+    });
 
-    // Loading state for form submission
-    let isSubmitting = $state(false);
+    let validation: Partial<Record<keyof typeof form, z.core.$ZodIssue[]>> = $state({});
+    let isValid = $derived(Object.values(validation).every((issues) => !issues?.length));
 
-    // API error message
-    let apiError: string | null = $state(null);
+    function validate(field: keyof typeof form) {
+        const result = zCreateProjectForm.shape[field].safeParse(form[field]);
 
-    // Success state
-    let submitSuccess = $state(false);
+        validation[field] = result.error?.issues;
+    }
 
-    // Debounce timer for real-time validation
-    let debounceTimer: ReturnType<typeof setTimeout> | null = null;
+    function hasError(field: keyof typeof form) {
+        return validation[field] && validation[field].length > 0;
+    }
 
-    function handleFieldBlur(fieldName: keyof CreateProjectForm) {
-        if (!$currentDraft) return;
+    function getValidationMessage(field: keyof typeof form) {
+        const issue = validation[field]?.[0];
 
-        markFieldAsTouched(fieldName);
-        const error = validateField(fieldName, $currentDraft.createProject[fieldName]);
+        if (!issue) {
+            return "";
+        }
 
-        validationErrors.update((errors: ValidationErrors) => {
-            if (error) {
-                return {
-                    ...errors,
-                    [fieldName]: error,
-                };
-            }
+        if (issue.code === "custom") {
+            return $t(issue.message, issue.params);
+        }
 
-            const { [fieldName]: _, ...rest } = errors;
+        if (issue.code === "invalid_format" && field === "title") {
+            return $t("pages.project.create.validation.titleBadFormat");
+        }
 
-            return rest;
+        if (issue.code === "too_small" && field === "categories") {
+            return $t("pages.project.create.validation.categoriesNotEnough", {
+                min: String(issue.minimum),
+            });
+        }
+
+        if (issue.code === "invalid_type" && field === "territory") {
+            return $t("pages.project.create.validation.territoryMissing");
+        }
+
+        if (issue.code === "invalid_type" && field === "calendar") {
+            return $t("pages.project.create.validation.releaseMissing");
+        }
+
+        return $t(`system.validation.${issue.code}`, {
+            value: String(form[field]),
+            ...getValidationParams(issue),
         });
     }
 
-    /**
-     * Handles field value changes with type-safe updates.
-     * Uses generic typing to ensure type safety without bypassing TypeScript checks.
-     */
-    function handleFieldChange<K extends keyof CreateProjectForm>(
-        fieldName: K,
-        value: CreateProjectForm[K],
-    ) {
-        // Update the draft value with proper typing
-        updateProject({ [fieldName]: value });
-
-        // Only validate on change if field has been touched
-        if ($touchedFields.has(fieldName) || submitted) {
-            // Debounce validation
-            if (debounceTimer) clearTimeout(debounceTimer);
-            debounceTimer = setTimeout(() => {
-                const error = validateField(fieldName, value);
-
-                validationErrors.update((errors: ValidationErrors) => {
-                    if (error) {
-                        return {
-                            ...errors,
-                            [fieldName]: error,
-                        };
-                    }
-
-                    const { [fieldName]: _, ...rest } = errors;
-
-                    return rest;
-                });
-            }, 300);
-        }
-    }
-
-    // Cleanup debounce timer on component unmount to prevent memory leaks
-    onDestroy(() => {
-        if (debounceTimer) {
-            clearTimeout(debounceTimer);
-            debounceTimer = null;
-        }
-    });
-
-    function handleCategoryChange(selected: Category[]) {
-        const categoryIris = selected.map((s) => {
-            return client.buildUrl({ url: apiCategoriesIdOrSlugGetUrl, path: { idOrSlug: s.id } });
+    function handleCategories(categories: Category[]) {
+        form.categories = categories.map((c) => {
+            return client.buildUrl({
+                url: apiCategoriesIdOrSlugGetUrl,
+                path: { idOrSlug: String(c.id) },
+            });
         });
 
-        handleFieldChange("categories", categoryIris);
+        validate("categories");
     }
 
-    async function handleSubmit() {
-        submitted = true;
-        apiError = null;
+    function handleTerritory(territory: Territory) {
+        form.territory = territory;
 
-        const errors = validateCreateForm($project);
+        validate("territory");
+    }
 
-        // Validate entire form
-        const isValid = Object.keys(errors).length === 0;
+    function handleRelease(release: Date) {
+        form.calendar = { ...form.calendar, release: release.toISOString() };
 
-        if (!isValid) {
-            // Scroll to error summary
-            const errorSummary = document.querySelector('[role="alert"]');
-            if (errorSummary) {
-                errorSummary.scrollIntoView({ behavior: "smooth", block: "start" });
-            } else {
-                // If no error summary, focus first invalid field
-                const firstError = Object.keys($validationErrors)[0];
-                if (firstError) {
-                    const element = document.querySelector(`[name="${firstError}"]`);
-                    if (element instanceof HTMLElement) {
-                        element.focus();
-                    }
-                }
+        const result = zProjectCampaignRelease.safeParse(new Date(release));
+
+        validation["calendar"] = result.error?.issues ?? [];
+    }
+
+    async function handleSubmit(e: SubmitEvent) {
+        e.preventDefault();
+
+        validation = {};
+
+        const result = zCreateProjectForm.safeParse(form);
+
+        if (!result.success) {
+            for (const issue of result.error.issues) {
+                const field = issue.path[0] as keyof typeof form;
+
+                validation[field] = [...(validation[field] ?? []), issue];
             }
+
             return;
         }
 
-        if (!$currentDraft) {
-            apiError = "Draft not initialized";
+        const { data: project, error } = await apiProjectsPost({
+            baseUrl: "/api/relay",
+            headers: { "Content-Language": $locale },
+            // @ts-expect-error form is declared as Partial, but at this point has been validated
+            body: form,
+        });
+
+        if (error) {
+            console.error(error);
             return;
         }
 
-        // Submit to API
-        isSubmitting = true;
-
-        try {
-            const { data, error } = await apiProjectsPost({
-                baseUrl: "/api/relay",
-                body: {
-                    title: $currentDraft.createProject.title,
-                    subtitle: $currentDraft.createProject.subtitle,
-                    categories: $currentDraft.createProject.categories,
-                    calendar: { release: $currentDraft.createProject.release ?? null },
-                },
-            });
-
-            if (error) {
-                if ("violations" in error && error.violations) {
-                    error.violations.forEach((violation) => {
-                        const field = violation.propertyPath as keyof ProjectProjectCreationDto;
-                        if (field) {
-                            $validationErrors[field] = violation.message || "Invalid value";
-                        }
-                    });
-                    return;
-                } else {
-                    apiError = "An unexpected error occurred. Please try again.";
-                    return;
-                }
-            } else if (data) {
-                const address = $currentDraft.createProject.address;
-                const territory = $currentDraft.createProject.territory;
-
-                if (address && territory) {
-                    await apiProjectsIdPatch({
-                        baseUrl: "/api/relay",
-                        path: { id: String(data.id) },
-                        body: {
-                            territory: {
-                                ...territory,
-                                address,
-                            },
-                        },
-                    });
-                }
-
-                submitSuccess = true;
-                updateProject({
-                    title: $currentDraft.createProject.title,
-                    subtitle: $currentDraft.createProject.subtitle,
-                    categories: $currentDraft.createProject.categories,
-                    release: $currentDraft.createProject.release,
-                    address: $currentDraft.createProject.address,
-                    territory: $currentDraft.createProject.territory,
-                });
-                currentDraft.update((d) => (d ? { ...d, status: "project-created" } : d));
-
-                // Redirect to project page
-                window.location.href = `/project/${data.id}/edit`;
-            }
-        } catch {
-            // Handle unexpected errors
-            apiError = "An unexpected error occurred. Please try again.";
-        } finally {
-            isSubmitting = false;
-        }
+        window.location.href = `/project/${project.id}/edit`;
     }
-
-    // Helper to check if field should show error
-    function shouldShowError(fieldName: string): boolean {
-        return (submitted || $touchedFields.has(fieldName)) && !!$validationErrors[fieldName];
-    }
-
-    // Calculate minimum date (14 days from now) for date input
-    function getMinDate(): Date {
-        const minDate = new Date();
-        minDate.setDate(minDate.getDate() + 14);
-        return minDate;
-    }
-
-    $effect(() => {
-        if (!$currentDraft) {
-            createDraft({
-                title: "",
-                subtitle: "",
-                categories: [],
-                release: undefined,
-            });
-        }
-    });
 </script>
 
 <section class="wrapper md:flex md:flex-row">
-    <div class="mb-20 flex max-w-167 flex-col gap-10">
+    <form class="mb-20 flex max-w-167 flex-col gap-10" onsubmit={handleSubmit}>
         <div class="flex flex-col gap-4">
             <Title level={1} variant="section">
                 {$t("pages.project.create.title")}
@@ -258,92 +154,47 @@
                 {$t("pages.project.create.subtitle")}
             </p>
         </div>
-        {#if submitted && Object.keys($validationErrors).length > 0}
-            <div
-                role="alert"
-                aria-live="polite"
-                class="rounded-md border-l-4 border-red-500 bg-red-50 p-4"
-            >
-                <p class="mb-2 text-lg font-semibold text-red-800">
-                    {$t("system.validation.errors.summary.title")}
-                </p>
-                <ul class="list-inside list-disc space-y-1">
-                    {#each Object.entries($validationErrors) as [field, error]}
-                        <li class="text-sm text-red-700">
-                            <a
-                                href={`#${field}`}
-                                class="underline hover:text-red-900"
-                                onclick={(e) => {
-                                    e.preventDefault();
-                                    const element = document.querySelector(`[name="${field}"]`);
-                                    if (element instanceof HTMLElement) {
-                                        element.focus();
-                                        element.scrollIntoView({
-                                            behavior: "smooth",
-                                            block: "center",
-                                        });
-                                    }
-                                }}
-                            >
-                                {$t(error)}
-                            </a>
-                        </li>
-                    {/each}
-                </ul>
-            </div>
-        {/if}
+
         <div class="flex flex-col gap-4">
             <Title level={2} variant="subsection">
                 {$t("pages.project.create.description.title")}
             </Title>
             <p class="text-black transition-all duration-300 ease-in-out">
-                {$t("pages.project.create.description.subtitle")}
+                {$t("pages.project.create.description.description")}
             </p>
             <TextInput
-                name="title"
-                placeholder={$t("pages.project.create.description.titlePrompt")}
-                bind:value={$project.title}
-                error={shouldShowError("title") ? $t($validationErrors.title) : undefined}
-                onBlur={() => handleFieldBlur("title")}
-                onInput={(e) => handleFieldChange("title", (e.target as HTMLInputElement).value)}
+                bind:value={form.title}
+                onInput={() => validate("title")}
+                helperText={$t("pages.project.create.description.titlePrompt")}
+                placeholder={$t("pages.project.create.description.titlePlaceholder")}
+                error={getValidationMessage("title")}
+                required
             />
             <div class="relative">
-                <textarea
-                    id="subtitle"
-                    name="subtitle"
-                    placeholder={$t("pages.project.create.description.subtitlePrompt")}
-                    class="h-60 w-full resize-none rounded-md border p-4 {shouldShowError(
-                        'subtitle',
-                    )
-                        ? 'border-red-500'
-                        : 'border-[#855a96]'}"
-                    bind:value={$project.subtitle}
-                    onblur={() => handleFieldBlur("subtitle")}
-                    oninput={(e) =>
-                        handleFieldChange("subtitle", (e.target as HTMLTextAreaElement).value)}
-                    aria-invalid={shouldShowError("subtitle")}
-                    aria-describedby={shouldShowError("subtitle") ? "subtitle-error" : undefined}
-                ></textarea>
-                {#if shouldShowError("subtitle")}
-                    <p id="subtitle-error" class="mt-1 ml-4 text-xs text-red-600" role="alert">
-                        {$t($validationErrors.subtitle)}
-                    </p>
-                {/if}
+                <TextArea
+                    bind:value={form.subtitle}
+                    helperText={$t("pages.project.create.description.subtitlePrompt")}
+                    placeholder={$t("pages.project.create.description.subtitlePlaceholder")}
+                />
             </div>
         </div>
         <div class="flex flex-col gap-4">
             <Title level={2} variant="subsection">
                 {$t("pages.project.create.categories.title")}
             </Title>
-            <p class="text-black transition-all duration-300 ease-in-out">
-                {$t("pages.project.create.categories.subtitle")}
+            <p
+                class={twJoin(
+                    "transition-all duration-300 ease-in-out",
+                    hasError("categories") ? "text-tertiary" : "text-black",
+                )}
+            >
+                {#if hasError("categories")}
+                    {getValidationMessage("categories")}
+                {:else}
+                    {$t("pages.project.create.categories.subtitle")}
+                {/if}
             </p>
-            <CategorySelect
-                max={2}
-                options={categories}
-                onchange={handleCategoryChange}
-                error={shouldShowError("categories") ? $t($validationErrors.categories) : undefined}
-            />
+            <CategorySelect max={2} options={categories} onChange={handleCategories} />
         </div>
         <div class="flex flex-col gap-4">
             <Title level={2} variant="subsection">
@@ -352,16 +203,10 @@
             <p class="text-black transition-all duration-300 ease-in-out">
                 {$t("pages.project.create.address.subtitle")}
             </p>
-            <AddressAutocomplete
-                name="address"
+            <TerritoryInput
                 placeholder={$t("pages.project.create.address.placeholder")}
-                value={$project.address ?? ""}
-                error={shouldShowError("address") ? $t($validationErrors.address) : undefined}
-                onAddressChange={(address, territory) => {
-                    handleFieldChange("address", address);
-                    handleFieldChange("territory", territory);
-                }}
-                onBlur={() => handleFieldBlur("address")}
+                onInput={handleTerritory}
+                error={getValidationMessage("territory")}
             />
         </div>
         <div class="flex flex-col gap-4">
@@ -372,35 +217,19 @@
                 {$t("pages.project.create.release.subtitle")}
             </p>
             <DateInput
-                name="release"
-                bind:value={releaseDate}
-                min={getMinDate()}
-                max={maxEndDate}
-                error={shouldShowError("release") ? $t($validationErrors.release) : undefined}
-                onBlur={() => handleFieldBlur("release")}
-                onInput={(date: any) => handleFieldChange("release", date)}
+                min={CAMPAIGN_MIN_START_DATE}
+                max={CAMPAIGN_MAX_END_DATE}
+                value={new Date(form.calendar?.release!)}
+                helperText={$t("pages.project.create.release.label")}
+                required
+                onInput={handleRelease}
+                error={getValidationMessage("calendar")}
             />
         </div>
-        {#if apiError}
-            <div role="alert" class="rounded-md border-l-4 border-red-500 bg-red-50 p-4">
-                <p class="text-sm text-red-800">{apiError}</p>
-            </div>
-        {/if}
-        {#if submitSuccess}
-            <div role="status" class="rounded-md border-l-4 border-green-500 bg-green-50 p-4">
-                <p class="text-sm font-semibold text-green-800">
-                    {$t("pages.project.create.submitSuccess")}
-                </p>
-            </div>
-        {/if}
-        <p>
-            <Button size="md" disabled={!$isCreateFormValid || isSubmitting} onclick={handleSubmit}>
-                {isSubmitting
-                    ? $t("pages.project.create.submitting")
-                    : $t("pages.project.create.submit")}
-            </Button>
-        </p>
-    </div>
+        <Button type="submit" disabled={!isValid}>
+            {$t("pages.project.create.submit")}
+        </Button>
+    </form>
     <div class="ml-auto">
         <BaseCard
             class="border-grey flex h-full max-h-126.5 w-full max-w-109.25 flex-col bg-white"
@@ -410,26 +239,15 @@
                 level={2}
                 variant="section"
                 color="secondary"
-                class="mb-2 {!$currentDraft?.createProject.title ? 'opacity-24' : ''}"
+                class={twJoin("mb-2", !form.title && "opacity-24")}
             >
-                {$currentDraft?.createProject.title ||
-                    $t("pages.project.create.description.titlePlaceholder")}
+                {form.title || $t("pages.project.create.description.titlePlaceholder")}
             </Title>
             <p
-                class="text-content overflow-hidden text-base font-normal text-ellipsis whitespace-nowrap"
+                class="text-content w-full overflow-hidden text-base font-normal text-ellipsis whitespace-nowrap"
             >
-                {$currentDraft?.createProject.subtitle ||
-                    $t("pages.project.create.description.subtitlePlaceholder")}
+                {form.subtitle || $t("pages.project.create.description.subtitlePlaceholder")}
             </p>
-            <div class="mt-auto">
-                <p class="text-sm text-black">{$t("pages.project.create.budgetPreview")}</p>
-                <p class="text-secondary text-3xl font-bold">
-                    {formatCurrency(
-                        $currentDraft?.wizardForm.budget?.minimum?.money?.amount || 0,
-                        getDefaultCurrency(),
-                    )}
-                </p>
-            </div>
         </BaseCard>
     </div>
 </section>
diff --git a/src/components/library/dropdown/DropdownMenu.svelte b/src/components/library/dropdown/DropdownMenu.svelte
index c339d45a..80bd2cb8 100644
--- a/src/components/library/dropdown/DropdownMenu.svelte
+++ b/src/components/library/dropdown/DropdownMenu.svelte
@@ -24,7 +24,6 @@
         clearable?: boolean;
         onClear?: () => void;
         singleSelect?: boolean;
-        inputName?: string;
         onInputBlur?: (e?: FocusEvent) => void;
         /** Build the list with selected options at the top. */
         label?: string;
@@ -46,7 +45,6 @@
         clearable = false,
         onClear = undefined,
         singleSelect = false,
-        inputName = undefined,
         onInputBlur = undefined,
         label = undefined,
         selectedFirst = false,
@@ -122,7 +120,6 @@
             <input
                 class="max-h-6 w-full border-0 bg-white p-0 text-base/6 font-normal text-black ring-0 placeholder:opacity-48"
                 type="text"
-                name={inputName}
                 placeholder={searchPlaceholder}
                 bind:value={searchValue}
                 oninput={(e) => onSearch?.(e.currentTarget.value)}
@@ -131,16 +128,18 @@
                     if (!isOpen) isOpen = true;
                 }}
             />
-            {#if clearable && searchValue}
-                <button
-                    type="button"
-                    class="absolute right-14 shrink-0 hover:cursor-pointer hover:opacity-75"
-                    onclick={handleClear}
-                >
-                    <Close width="20" height="20" />
-                </button>
-            {/if}
-            <SearchIcon class="absolute right-4" width="32" height="32" />
+            <div class="absolute right-4 flex flex-row gap-1 bg-white">
+                {#if clearable && searchValue}
+                    <button
+                        type="button"
+                        class="shrink-0 hover:cursor-pointer hover:opacity-75"
+                        onclick={handleClear}
+                    >
+                        <Close width="20" height="20" />
+                    </button>
+                {/if}
+                <SearchIcon width="32" height="32" />
+            </div>
         </div>
     {:else}
         <button
diff --git a/src/components/library/inputs/CategorySelect.svelte b/src/components/library/inputs/CategorySelect.svelte
index 1a2a2eef..6cbef598 100644
--- a/src/components/library/inputs/CategorySelect.svelte
+++ b/src/components/library/inputs/CategorySelect.svelte
@@ -8,31 +8,31 @@
         selected = $bindable([]),
         selectedIds = $bindable([]),
         max,
-        onchange,
+        onChange,
         error = undefined,
     }: {
         options: Category[];
         selected?: Category[];
         selectedIds?: (number | string)[];
         max?: number;
-        onchange?: (selected: Category[], option: Category) => void;
+        onChange?: (selected: Category[], option: Category) => void;
         error?: string;
     } = $props();
 
     function isSelected(option: Category): boolean {
-        return selectedIds.includes(option.id);
+        return selectedIds.includes(option.id!);
     }
 
     function handleClick(option: Category): void {
         if (isSelected(option)) {
             selectedIds = selectedIds.filter((id) => id !== option.id);
         } else {
-            selectedIds = selectedIds.concat(option.id);
+            selectedIds = selectedIds.concat(option.id!);
         }
 
-        selected = options.filter((option) => selectedIds.includes(option.id));
+        selected = options.filter((option) => selectedIds.includes(option.id!));
 
-        onchange?.(selected, option);
+        onChange?.(selected, option);
     }
 
     function calcTagType(option: Category) {
diff --git a/src/components/library/inputs/AddressAutocomplete.svelte b/src/components/library/inputs/TerritoryInput.svelte
similarity index 82%
rename from src/components/library/inputs/AddressAutocomplete.svelte
rename to src/components/library/inputs/TerritoryInput.svelte
index cec3a0c3..c756a7f9 100644
--- a/src/components/library/inputs/AddressAutocomplete.svelte
+++ b/src/components/library/inputs/TerritoryInput.svelte
@@ -1,5 +1,5 @@
 <script lang="ts">
-    import { twMerge, type ClassNameValue } from "tailwind-merge";
+    import { twJoin, twMerge, type ClassNameValue } from "tailwind-merge";
 
     import {
         searchPlace,
@@ -15,9 +15,9 @@
         class?: ClassNameValue;
         value?: string;
         placeholder?: string;
-        name?: string;
+        helperText?: string;
         error?: string;
-        onAddressChange?: (address: string, territory: Territory) => void;
+        onInput?: (territory: Territory) => void;
         onBlur?: () => void;
     }
 
@@ -25,9 +25,9 @@
         class: classes = undefined,
         value = $bindable(""),
         placeholder,
-        name = "address",
+        helperText,
         error = undefined,
-        onAddressChange = undefined,
+        onInput = undefined,
         onBlur = undefined,
     }: Props = $props();
 
@@ -63,14 +63,14 @@
 
         value = result.display_name;
         const territory = extractTerritory(result);
-        onAddressChange?.(result.display_name, territory);
+        onInput?.(territory);
     }
 
     function handleClear() {
         value = "";
         results = [];
         selected = [];
-        onAddressChange?.("", {
+        onInput?.({
             country: null,
             subLvl1: null,
             subLvl2: null,
@@ -83,10 +83,10 @@
     <DropdownMenu
         variant="basic"
         hasSearch
+        searchClasses={error && "border-tertiary border"}
         singleSelect
         clearable
         bind:searchValue={value}
-        inputName={name}
         searchPlaceholder={placeholder}
         {options}
         bind:selected
@@ -95,7 +95,9 @@
         onClear={handleClear}
         onInputBlur={() => onBlur?.()}
     />
-    {#if error}
-        <p class="mt-1 ml-4 text-xs text-red-600" role="alert">{error}</p>
-    {/if}
+    <p class={twJoin("mt-1 ml-4 text-xs", !error && "text-content", error && "text-tertiary")}>
+        {#if error || helperText}
+            {error || helperText}
+        {/if}
+    </p>
 </div>
diff --git a/src/components/library/inputs/TextInput.svelte b/src/components/library/inputs/TextInput.svelte
index 4bf23c9e..080e2d96 100644
--- a/src/components/library/inputs/TextInput.svelte
+++ b/src/components/library/inputs/TextInput.svelte
@@ -28,7 +28,7 @@
         labelText?: string;
         helperText?: string;
         error?: string;
-        onInput?: (event: Event) => void;
+        onInput?: (value: string | number) => void;
         onBlur?: (event?: FocusEvent) => void;
         onFocus?: (event?: FocusEvent) => void;
     } = $props();
@@ -55,7 +55,7 @@
         id={finalId}
         onblur={onBlur}
         onfocus={onFocus}
-        oninput={onInput}
+        oninput={() => onInput?.(value)}
         {name}
         {type}
         {required}
diff --git a/src/components/project/ProjectRewards.svelte b/src/components/project/ProjectRewards.svelte
index db95e4cf..7923c1e8 100644
--- a/src/components/project/ProjectRewards.svelte
+++ b/src/components/project/ProjectRewards.svelte
@@ -90,9 +90,9 @@
             <div
                 class:opacity-50={!isAvailable}
                 class:cursor-not-allowed={!isAvailable}
-                class="border-grey flex basis-1/3 flex-col justify-between gap-6 rounded-4xl border bg-[#FFF] p-6 shadow-[0px_1px_3px_0px_#0000001A]"
+                class="border-grey flex basis-1/3 flex-col justify-between rounded-4xl border bg-[#FFF] p-6 shadow-[0px_1px_3px_0px_#0000001A]"
             >
-                <div class="flex flex-col gap-6">
+                <div class="flex flex-col gap-3">
                     <Title
                         level={3}
                         variant="subsection"
@@ -102,7 +102,7 @@
                     >
                         {$t("pages.project.view.rewards.donationFree.title")}
                     </Title>
-                    <p class="text-sm whitespace-pre-line text-gray-800">
+                    <p class="text-content text-base whitespace-pre-line">
                         {$t("pages.project.view.rewards.donationFree.description")}
                     </p>
                 </div>
diff --git a/src/components/project/Reward.svelte b/src/components/project/Reward.svelte
index 3b1b3fc0..513cf55f 100644
--- a/src/components/project/Reward.svelte
+++ b/src/components/project/Reward.svelte
@@ -28,7 +28,7 @@
     class:opacity-50={!isAvailable}
     class:cursor-not-allowed={!isAvailable}
 >
-    <div class="flex flex-col gap-4">
+    <div class="flex flex-col gap-2">
         <Title
             level={3}
             variant="subsection"
@@ -50,7 +50,9 @@
         </Title>
 
         {#if reward.description}
-            <div class="marked-content line-clamp-7 text-sm whitespace-pre-line text-gray-800">
+            <div
+                class="marked-content line-clamp-6 max-h-[11.2em] overflow-hidden mask-[linear-gradient(to_bottom,black_80%,transparent)] text-sm whitespace-pre-line text-gray-800"
+            >
                 {#await renderMarkdown(reward.description) then description}
                     {@html description}
                 {/await}
diff --git a/src/components/project/RewardModal.svelte b/src/components/project/RewardModal.svelte
index 365db350..a5c914e8 100644
--- a/src/components/project/RewardModal.svelte
+++ b/src/components/project/RewardModal.svelte
@@ -78,12 +78,12 @@
 
 <Modal
     bind:open
-    closeBtnClass="top-7 end-7 bg-transparent text-secondary hover:bg-transparent hover:text-secondary hover:scale-110 transition-transform duration-200 transform focus:ring-0 shadow-none dark:text-secondary dark:hover:text-secondary dark:hover:bg-transparent"
-    class="fixed top-1/2 left-1/2 w-full max-w-225 -translate-x-1/2 -translate-y-1/2 bg-transparent backdrop:bg-[#878282B2] backdrop:backdrop-blur-[5px]"
+    closeBtnClass="top-7 end-12 bg-transparent text-secondary hover:bg-transparent hover:text-secondary hover:scale-110 transition-transform duration-200 transform focus:ring-0 shadow-none dark:text-secondary dark:hover:text-secondary dark:hover:bg-transparent"
+    class="fixed top-1/2 left-1/2 w-full max-w-225 -translate-x-1/2 -translate-y-1/2 divide-y-0 bg-transparent backdrop:bg-[#878282B2] backdrop:backdrop-blur-[5px]"
     bodyClass="p-0"
 >
     <div
-        class="flex flex-col gap-6 rounded-3xl bg-white p-8 shadow-lg"
+        class="flex max-h-[85vh] flex-col gap-6 overflow-y-auto rounded-3xl bg-white p-8 shadow-lg"
         onclick={(e) => e.stopPropagation()}
         role="presentation"
     >
diff --git a/src/components/project/TerritoryTag.svelte b/src/components/project/TerritoryTag.svelte
index 7440971c..a859d16d 100644
--- a/src/components/project/TerritoryTag.svelte
+++ b/src/components/project/TerritoryTag.svelte
@@ -1,49 +1,25 @@
 <script lang="ts">
-    import iso3166 from "iso-3166-2";
     import { type ClassNameValue } from "tailwind-merge";
 
     import { locale } from "../../i18n/store";
+    import { getTerritoryDisplayName } from "../../utils/territory";
     import MapIcon from "../icons/Location.svelte";
     import Tag from "../library/tags/Tag.svelte";
 
-    import type { Locale } from "../../i18n/locales";
     import type { Territory } from "../../openapi/client";
 
     let {
         territory,
-        lang: initialLang = undefined,
         class: classes = "",
         iconSize = "32",
     }: {
         territory: Territory;
-        lang?: Locale;
         class?: ClassNameValue;
         iconSize?: string | number;
     } = $props();
-
-    let lang = $derived(initialLang || $locale);
-
-    function displayName(territory: Territory): string {
-        const countryNames = new Intl.DisplayNames(lang, { type: "region" });
-        const country = countryNames.of(territory.country!);
-
-        const tag = territory.subLvl2 ?? territory.subLvl1;
-        if (!tag) {
-            return country!;
-        }
-
-        const iso = iso3166.subdivision(tag!);
-        if (!iso || !iso.name) {
-            return country!;
-        }
-
-        const subdivision = iso.name.split(",")[0];
-
-        return `${subdivision}, ${country}`;
-    }
 </script>
 
 <Tag class={classes}>
     <MapIcon width={iconSize} height={iconSize} />
-    <span>{displayName(territory)}</span>
+    <span>{getTerritoryDisplayName(territory, $locale)}</span>
 </Tag>
diff --git a/src/components/project/TopReward.svelte b/src/components/project/TopReward.svelte
index f4dd130f..678a1c18 100644
--- a/src/components/project/TopReward.svelte
+++ b/src/components/project/TopReward.svelte
@@ -33,7 +33,7 @@
 </script>
 
 <li
-    class="border-grey flex basis-1/3 flex-col items-center justify-between gap-8 rounded-4xl border bg-[#FFF] p-6 shadow-[0px_1px_3px_0px_#0000001A]"
+    class="border-grey flex basis-1/3 flex-col items-center justify-between gap-4 rounded-4xl border bg-[#FFF] p-6 shadow-[0px_1px_3px_0px_#0000001A]"
     class:opacity-50={!isAvailable}
     class:cursor-not-allowed={!isAvailable}
 >
@@ -50,7 +50,9 @@
         </Title>
 
         {#if reward.description}
-            <div class="marked-content line-clamp-7 text-sm whitespace-pre-line text-gray-800">
+            <div
+                class="marked-content line-clamp-6 max-h-[11.2em] overflow-hidden mask-[linear-gradient(to_bottom,black_80%,transparent)] text-sm whitespace-pre-line text-gray-800"
+            >
                 {#await renderMarkdown(reward.description) then description}
                     {@html description}
                 {/await}
diff --git a/src/components/project/edit/ConfigurationStep.svelte b/src/components/project/edit/ConfigurationStep.svelte
index 50d2b18b..8c130433 100644
--- a/src/components/project/edit/ConfigurationStep.svelte
+++ b/src/components/project/edit/ConfigurationStep.svelte
@@ -130,7 +130,7 @@
                     max={2}
                     {options}
                     bind:selectedIds={categories}
-                    onchange={handleCategoryChange}
+                    onChange={handleCategoryChange}
                 />
             </div>
         {/if}
diff --git a/src/components/project/edit/VideoUrlInput.svelte b/src/components/project/edit/VideoUrlInput.svelte
index f45df98f..21092125 100644
--- a/src/components/project/edit/VideoUrlInput.svelte
+++ b/src/components/project/edit/VideoUrlInput.svelte
@@ -85,7 +85,7 @@
                     placeholder={$t("pages.project.edit.campaignInfo.media.videoPlaceholder")}
                     bind:value={videoUrl}
                     error={validationError}
-                    onInput={(e) => handleUrlChange((e.target as HTMLInputElement).value)}
+                    onInput={(value) => handleUrlChange(value.toString())}
                 />
             {/if}
         </div>
diff --git a/src/components/search/CategoryFilter.svelte b/src/components/search/CategoryFilter.svelte
index 0c2043fe..4a75761e 100644
--- a/src/components/search/CategoryFilter.svelte
+++ b/src/components/search/CategoryFilter.svelte
@@ -63,7 +63,7 @@ Implements active/inactive pill states matching Figma design
             bind:selected
             selectedIds={selected.map((s) => s.id!)}
             options={categories}
-            onchange={(selected) => onCategoryChange?.(selected.map((o) => `${o.id}`))}
+            onChange={(selected) => onCategoryChange?.(selected.map((o) => `${o.id}`))}
         />
     {/await}
 
diff --git a/src/i18n/locales/ca.json b/src/i18n/locales/ca.json
index 6d956172..bc6e426c 100644
--- a/src/i18n/locales/ca.json
+++ b/src/i18n/locales/ca.json
@@ -35,13 +35,24 @@
       }
     },
     "validation": {
+      "_invalid_type": "",
+      "_too_big": "",
+      "too_small": "\"{{ value }}\" és massa curt: s'esperen {{ min }} caràcters o més.",
+      "invalid_format": "\"{{ value }}\" té un format incorrecte: no s'ajusta al patró regex `{{ pattern }}`.",
+      "_not_multiple_of": "",
+      "_unrecognized_keys": "",
+      "_invalid_union": "",
+      "_invalid_key": "",
+      "_invalid_element": "",
+      "_invalid_value": "",
       "missingRequiredFields": "Un o més camps obligatoris estan buits",
       "project": {
         "terms": {
           "required": "Has d'acceptar les condicions de l'impulsor i les bases de la convocatòria"
         },
         "release": {
-          "max": "La data d'inici és massa tardana: la campanya no es pot estendre més enllà de la data límit de la plataforma"
+          "min": "La data de llançament no pot ser anterior a {{ min }}",
+          "max": "La data de llançament no pot ser posterior a {{ max }}"
         }
       },
       "errors": {
@@ -629,6 +640,13 @@
     "project": {
       "edit": {
         "title": "Editant projecte: {{ project }}",
+        "validation": {
+          "titleBadFormat": "El títol ha de contenir almenys una lletra."
+        },
+        "header": {
+          "titlePlaceholder": "Títol del projecte",
+          "unsentChanges": "Hi ha canvis no enviats"
+        },
         "tabs": {
           "configuration": "Configuració",
           "campaign": "Informació de campanya",
@@ -647,6 +665,11 @@
             "secondaryLabel": "Idioma secundari del contingut",
             "addButton": "Afegir idioma"
           },
+          "release": {
+            "title": "Data de sortida a campanya",
+            "subtitle": "Tingues en compte que les campanyes de micromecenatge tenen una durada mínima de 40 dies",
+            "passed": "Aquest projecte ja ha sortit a campanya i no es pot modificar la seva data de sortida"
+          },
           "rounds": {
             "title": "Tria les rondes que tindrà la teva campanya",
             "description": "La configuració predeterminada és de 40 dies cada ronda, pots sol·licitar modificacions al teu assessor si el teu projecte és seleccionat",
@@ -872,54 +895,45 @@
           },
           "continue": "Pas següent",
           "locationPlaceholder": "Ex.: Carrer Gran Via 28, Madrid"
-        },
-        "errors": {
-          "session": {
-            "title": "Sessió expirada"
-          },
-          "storage": {
-            "title": "Error d'emmagatzematge",
-            "save_failed": "No s'han pogut desar els canvis",
-            "quota_exceeded": "Emmagatzematge local ple",
-            "close": "Tancar"
-          }
         }
       },
       "create": {
-        "title": "Proposa una campanya",
-        "subtitle": "Descriu breument el projecte i la campanya de crowdfunding.",
-        "budgetPreview": "Diners necessaris",
+        "title": "Crea un projecte",
+        "subtitle": "Descriu breument el teu projecte de micromecenatge.",
         "description": {
           "title": "Descriu breument la teva proposta",
-          "titlePrompt": "Indica el nom de la teva campanya",
-          "titlePlaceholder": "Nom de campanya",
-          "subtitle": "Indica el nom de la teva campanya i descriu breument el projecte que duràs a terme si aconsegueixes el finançament.",
+          "description": "Indica el nom del teu projecte i descriu breument què duràs a terme si aconsegueixes el finançament.",
+          "titlePrompt": "Indica el nom del teu projecte",
+          "titlePlaceholder": "El meu projecte",
           "subtitlePrompt": "Indica breument la descripció del teu projecte.",
-          "subtitlePlaceholder": "Sense descripció"
+          "subtitlePlaceholder": "Un projecte per fer que el món sigui una miqueta millor"
         },
         "categories": {
-          "title": "Quina categoria s'ajusta a la teva campanya?",
+          "title": "Quina categoria s'ajusta al teu projecte?",
           "subtitle": "(Pots triar un màxim de 2)"
         },
         "address": {
           "title": "Quina és l'adreça del projecte?",
           "subtitle": "Cerca i selecciona l'adreça completa del projecte. Això ens ajuda a ubicar la teva iniciativa.",
-          "placeholder": "Ex.: Carrer Gran Via 28, Madrid"
-        },
-        "budget": {
-          "title": "Quants diners necessites?",
-          "subtitle": "Selecciona la quantitat que necessites per dur a terme el teu projecte."
+          "placeholder": "Forn de l'Olivera 22, Palma"
         },
         "release": {
-          "title": "Data de sortida de la campanya",
-          "subtitle": "(Tingues en compte que les campanyes de crowdfunding tenen una durada mínima de 40 dies)"
+          "title": "Data de llançament de la campanya",
+          "subtitle": "(Tingues en compte que les campanyes de crowdfunding tenen una durada mínima de 40 dies)",
+          "label": "Data de llançament aproximada"
         },
         "terms": {
           "label": "Accepto les condicions de l'impulsor i les bases de la convocatòria"
         },
-        "submit": "Proposar campanya",
+        "submit": "Crear projecte",
         "submitting": "Enviant…",
-        "submitSuccess": "Campanya proposada correctament!"
+        "submitSuccess": "Projecte creat",
+        "validation": {
+          "titleBadFormat": "El títol ha de contenir almenys una lletra.",
+          "categoriesNotEnough": "Has de seleccionar almenys {{ min }} categoria/es.",
+          "territoryMissing": "Has d'especificar un lloc.",
+          "releaseMissing": "Has d'especificar una data de llançament aproximada"
+        }
       },
       "view": {
         "owner": "Campanya de crowdfunding impulsada per {{ owner }}",
diff --git a/src/i18n/locales/en.json b/src/i18n/locales/en.json
index 434d42e0..5e7ca3bd 100644
--- a/src/i18n/locales/en.json
+++ b/src/i18n/locales/en.json
@@ -35,13 +35,24 @@
       }
     },
     "validation": {
+      "_invalid_type": "",
+      "_too_big": "",
+      "too_small": "\"{{ value }}\" is too short: {{ min }} or more characters expected.",
+      "invalid_format": "\"{{ value }}\" has an invalid format: it does not match the regex pattern `{{ pattern }}`.",
+      "_not_multiple_of": "",
+      "_unrecognized_keys": "",
+      "_invalid_union": "",
+      "_invalid_key": "",
+      "_invalid_element": "",
+      "_invalid_value": "",
       "missingRequiredFields": "One or more required fields are empty",
       "project": {
         "terms": {
           "required": "You must accept the promoter conditions and the call terms"
         },
         "release": {
-          "max": "The start date is too late: the campaign cannot extend beyond the platform deadline"
+          "min": "The launch date cannot be before {{ min }}",
+          "max": "The launch date cannot be after {{ max }}"
         }
       },
       "errors": {
@@ -629,6 +640,13 @@
     "project": {
       "edit": {
         "title": "Editing project: {{ project }}",
+        "validation": {
+          "titleBadFormat": "The title must contain at least one letter."
+        },
+        "header": {
+          "titlePlaceholder": "Project title",
+          "unsentChanges": "There are unsent changes"
+        },
         "tabs": {
           "configuration": "Configuration",
           "campaign": "Campaign information",
@@ -647,6 +665,11 @@
             "secondaryLabel": "Secondary content language",
             "addButton": "Add language"
           },
+          "release": {
+            "title": "Campaign launch date",
+            "subtitle": "Please note that crowdfunding campaigns have a minimum duration of 40 days",
+            "passed": "This project has already launched as a campaign and its launch date cannot be changed"
+          },
           "rounds": {
             "title": "Choose the rounds your campaign will have",
             "description": "The default setting is 40 days each round. You can request modifications through your advisor if your project is selected",
@@ -872,54 +895,45 @@
           },
           "continue": "Next step",
           "locationPlaceholder": "E.g.: Calle Gran Vía 28, Madrid"
-        },
-        "errors": {
-          "session": {
-            "title": "Session expired"
-          },
-          "storage": {
-            "title": "Storage error",
-            "save_failed": "Changes could not be saved",
-            "quota_exceeded": "Local storage full",
-            "close": "Close"
-          }
         }
       },
       "create": {
-        "title": "Propose a campaign",
-        "subtitle": "Briefly describe the project and the crowdfunding campaign.",
-        "budgetPreview": "Money needed",
+        "title": "Create a project",
+        "subtitle": "Briefly describe your crowdfunding project.",
         "description": {
           "title": "Briefly describe your proposal",
-          "titlePrompt": "Enter your campaign name",
-          "titlePlaceholder": "Campaign name",
-          "subtitle": "Enter your campaign name and briefly describe the project you will carry out if you obtain funding.",
+          "description": "Enter the name of your project and briefly describe what you will do if you secure funding.",
+          "titlePrompt": "Enter the name of your project",
+          "titlePlaceholder": "My project",
           "subtitlePrompt": "Briefly describe your project.",
-          "subtitlePlaceholder": "No description"
+          "subtitlePlaceholder": "A project to make the world a little bit better"
         },
         "categories": {
-          "title": "Which category fits your campaign?",
+          "title": "Which category fits your project?",
           "subtitle": "(You can choose a maximum of 2)"
         },
         "address": {
           "title": "What is the project address?",
           "subtitle": "Search for and select the project's full address. This helps us locate your initiative.",
-          "placeholder": "E.g.: Calle Gran Vía 28, Madrid"
-        },
-        "budget": {
-          "title": "How much money do you need?",
-          "subtitle": "Select the amount you need to carry out your project."
+          "placeholder": "Forn de l'Olivera 22, Palma"
         },
         "release": {
           "title": "Campaign launch date",
-          "subtitle": "(Please note that crowdfunding campaigns have a minimum duration of 40 days)"
+          "subtitle": "(Please note that crowdfunding campaigns have a minimum duration of 40 days)",
+          "label": "Approximate launch date"
         },
         "terms": {
           "label": "I accept the promoter conditions and the call terms"
         },
-        "submit": "Propose campaign",
+        "submit": "Create project",
         "submitting": "Submitting…",
-        "submitSuccess": "Campaign proposed successfully!"
+        "submitSuccess": "Project created",
+        "validation": {
+          "titleBadFormat": "The title must contain at least one letter.",
+          "categoriesNotEnough": "You must select at least {{ min }} category(ies).",
+          "territoryMissing": "You must specify a location.",
+          "releaseMissing": "You must specify an approximate launch date"
+        }
       },
       "view": {
         "owner": "Crowdfunding campaign by {{ owner }}",
diff --git a/src/i18n/locales/es.json b/src/i18n/locales/es.json
index d2f2c095..9556aaba 100644
--- a/src/i18n/locales/es.json
+++ b/src/i18n/locales/es.json
@@ -51,7 +51,8 @@
           "required": "Debes aceptar las condiciones del impulsor y las bases de la convocatoria"
         },
         "release": {
-          "max": "La fecha de inicio es demasiado tardía: la campaña no puede extenderse más allá de la fecha límite de la plataforma"
+          "min": "La fecha de salida no puede ser antes de {{ min }}",
+          "max": "La fecha de salida no puede ser después de {{ max }}"
         }
       },
       "errors": {
@@ -897,40 +898,42 @@
         }
       },
       "create": {
-        "title": "Propón una campaña",
-        "subtitle": "Describe brevemete el proyecto y la campaña de crowdfunding.",
-        "budgetPreview": "Dinero necesario",
+        "title": "Crea un proyecto",
+        "subtitle": "Describe brevemete tu proyecto de crowdfunding.",
         "description": {
           "title": "Describe brevemente tu propuesta",
-          "titlePrompt": "Indica el nombre de tu campaña",
-          "titlePlaceholder": "Nombre de campaña",
-          "subtitle": "Indica el nombre de tu campaña y describe brevemente el proyecto que realizarás si consigues la financiación.",
+          "description": "Indica el nombre de tu proyecto y describe brevemente lo que realizarás si consigues la financiación.",
+          "titlePrompt": "Indica el nombre de tu proyecto",
+          "titlePlaceholder": "Mi proyecto",
           "subtitlePrompt": "Indica brevemente la descripción de tu proyecto.",
-          "subtitlePlaceholder": "Sin descripción"
+          "subtitlePlaceholder": "Un proyecto para hacer el mundo un poquito mejor"
         },
         "categories": {
-          "title": "¿Qué categoría se ajusta a tu campaña?",
+          "title": "¿Qué categoría se ajusta a tu proyecto?",
           "subtitle": "(Puedes elegir un máximo de 2)"
         },
         "address": {
           "title": "¿Cuál es la dirección del proyecto?",
           "subtitle": "Busca y selecciona la dirección completa del proyecto. Esto nos ayuda a ubicar tu iniciativa.",
-          "placeholder": "Ej: Calle Gran Vía 28, Madrid"
-        },
-        "budget": {
-          "title": "¿Cuánto dinero necesitas?",
-          "subtitle": "Selecciona la cantidad que necesites para llevar a cabo tu proyecto."
+          "placeholder": "Forn de l'Olivera 22, Palma"
         },
         "release": {
-          "title": "Fecha salida de campaña",
-          "subtitle": "(Ten en cuenta que las campañas de crowdfunding tienen una duración mínima de 40 días)"
+          "title": "Fecha de salida a campaña",
+          "subtitle": "(Ten en cuenta que las campañas de crowdfunding tienen una duración mínima de 40 días)",
+          "label": "Fecha de salida aproximada"
         },
         "terms": {
           "label": "Acepto las condiciones del impulsor y las bases de la convocatoria"
         },
-        "submit": "Proponer campaña",
+        "submit": "Crear proyecto",
         "submitting": "Enviando…",
-        "submitSuccess": "¡Campaña propuesta correctamente!"
+        "submitSuccess": "Proyecto creado",
+        "validation": {
+          "titleBadFormat": "El título debe contener al menos una letra.",
+          "categoriesNotEnough": "Debes seleccionar al menos {{ min }} categoría(s).",
+          "territoryMissing": "Debes especificar un lugar.",
+          "releaseMissing": "Debes especificar una fecha de salida aproximada"
+        }
       },
       "view": {
         "owner": "Campaña de crowdfunding impulsada por {{ owner }}",
diff --git a/src/openapi/client/types.gen.ts b/src/openapi/client/types.gen.ts
index 17987e0b..e97f04c0 100644
--- a/src/openapi/client/types.gen.ts
+++ b/src/openapi/client/types.gen.ts
@@ -1611,18 +1611,18 @@ export type ProjectProjectCreationDto = {
      * Secondary headline for the Project.
      */
     subtitle: string;
-    /**
-     * URL to an image resource to be displayed as header.
-     */
-    cover?: string;
     /**
      * List of Categories.
      */
     categories: Array<string>;
+    /**
+     * ISO 3166 data about the Project's territory of interest.
+     */
+    territory: Territory;
     /**
      * Deadlines and important Project dates.
      */
-    calendar?: ProjectCalendar;
+    calendar: ProjectCalendar;
     readonly status?: 'in_draft' | 'to_campaign_review' | 'in_campaign_review' | 'in_campaign_review.to_change' | 'in_campaign_review.to_review' | 'campaign_review.rejected' | 'to_campaign' | 'in_campaign' | 'campaign.failed' | 'campaign.cancelled' | 'to_funding_review' | 'in_funding_review' | 'in_funding_review.to_change' | 'in_funding_review.to_review' | 'funding_review.rejected' | 'to_funding' | 'in_funding' | 'funding.paid';
 };
 
@@ -1638,18 +1638,18 @@ export type ProjectProjectCreationDtoJsonld = {
      * Secondary headline for the Project.
      */
     subtitle: string;
-    /**
-     * URL to an image resource to be displayed as header.
-     */
-    cover?: string;
     /**
      * List of Categories.
      */
     categories: Array<string>;
+    /**
+     * ISO 3166 data about the Project's territory of interest.
+     */
+    territory: TerritoryJsonld;
     /**
      * Deadlines and important Project dates.
      */
-    calendar?: ProjectCalendarJsonld;
+    calendar: ProjectCalendarJsonld;
     readonly status?: 'in_draft' | 'to_campaign_review' | 'in_campaign_review' | 'in_campaign_review.to_change' | 'in_campaign_review.to_review' | 'campaign_review.rejected' | 'to_campaign' | 'in_campaign' | 'campaign.failed' | 'campaign.cancelled' | 'to_funding_review' | 'in_funding_review' | 'in_funding_review.to_change' | 'in_funding_review.to_review' | 'funding_review.rejected' | 'to_funding' | 'in_funding' | 'funding.paid';
 };
 
@@ -2423,7 +2423,7 @@ export type Territory = {
      * ISO 3166-1 alpha-2 two-letter country code.\
      * e.g: ES (Spain).
      */
-    country?: string | null;
+    country: string | null;
     /**
      * ISO 3166-2 first level subdivision code.\
      * e.g: ES-AN (Andalucía, Spain).
@@ -2453,7 +2453,7 @@ export type TerritoryJsonld = {
      * ISO 3166-1 alpha-2 two-letter country code.\
      * e.g: ES (Spain).
      */
-    country?: string | null;
+    country: string | null;
     /**
      * ISO 3166-2 first level subdivision code.\
      * e.g: ES-AN (Andalucía, Spain).
diff --git a/src/openapi/client/zod.gen.ts b/src/openapi/client/zod.gen.ts
index 6a241d97..81da1f7d 100644
--- a/src/openapi/client/zod.gen.ts
+++ b/src/openapi/client/zod.gen.ts
@@ -590,37 +590,6 @@ export const zProjectCalendar = z.object({
     optimum: z.iso.datetime().nullish()
 });
 
-/**
- * Projects describe a User-owned, community-led event that is to be discovered, developed and funded by the community.
- */
-export const zProjectProjectCreationDto = z.object({
-    title: z.string().regex(/^(.*[a-zA-Z]{1,}.*)$/),
-    subtitle: z.string(),
-    cover: z.url().optional(),
-    categories: z.array(z.string()).min(1).max(2),
-    calendar: zProjectCalendar.optional(),
-    status: z.enum([
-        'in_draft',
-        'to_campaign_review',
-        'in_campaign_review',
-        'in_campaign_review.to_change',
-        'in_campaign_review.to_review',
-        'campaign_review.rejected',
-        'to_campaign',
-        'in_campaign',
-        'campaign.failed',
-        'campaign.cancelled',
-        'to_funding_review',
-        'in_funding_review',
-        'in_funding_review.to_change',
-        'in_funding_review.to_review',
-        'funding_review.rejected',
-        'to_funding',
-        'in_funding',
-        'funding.paid'
-    ]).readonly().optional().default('in_draft')
-});
-
 export const zProjectCalendarJsonld = z.object({
     '@context': z.union([
         z.string(),
@@ -636,37 +605,6 @@ export const zProjectCalendarJsonld = z.object({
     optimum: z.iso.datetime().nullish()
 });
 
-/**
- * Projects describe a User-owned, community-led event that is to be discovered, developed and funded by the community.
- */
-export const zProjectProjectCreationDtoJsonld = z.object({
-    title: z.string().regex(/^(.*[a-zA-Z]{1,}.*)$/),
-    subtitle: z.string(),
-    cover: z.url().optional(),
-    categories: z.array(z.string()).min(1).max(2),
-    calendar: zProjectCalendarJsonld.optional(),
-    status: z.enum([
-        'in_draft',
-        'to_campaign_review',
-        'in_campaign_review',
-        'in_campaign_review.to_change',
-        'in_campaign_review.to_review',
-        'campaign_review.rejected',
-        'to_campaign',
-        'in_campaign',
-        'campaign.failed',
-        'campaign.cancelled',
-        'to_funding_review',
-        'in_funding_review',
-        'in_funding_review.to_change',
-        'in_funding_review.to_review',
-        'funding_review.rejected',
-        'to_funding',
-        'in_funding',
-        'funding.paid'
-    ]).readonly().optional().default('in_draft')
-});
-
 /**
  * ProjectCollaborations are used as requests for help on specific problems that the Project might face and cannot be budgeted-in.
  */
@@ -893,7 +831,7 @@ export const zProjectVideoJsonld = z.object({
 });
 
 export const zTerritory = z.object({
-    country: z.string().nullish(),
+    country: z.string().nullable(),
     subLvl1: z.string().nullish(),
     subLvl2: z.string().nullish(),
     address: z.string().nullish()
@@ -932,6 +870,37 @@ export const zMatchCall = z.object({
     ]).optional().default('in_editing')
 });
 
+/**
+ * Projects describe a User-owned, community-led event that is to be discovered, developed and funded by the community.
+ */
+export const zProjectProjectCreationDto = z.object({
+    title: z.string().min(3).regex(/^(.*[a-zA-Z]{1,}.*)$/),
+    subtitle: z.string(),
+    categories: z.array(z.string()).min(1).max(2),
+    territory: zTerritory,
+    calendar: zProjectCalendar,
+    status: z.enum([
+        'in_draft',
+        'to_campaign_review',
+        'in_campaign_review',
+        'in_campaign_review.to_change',
+        'in_campaign_review.to_review',
+        'campaign_review.rejected',
+        'to_campaign',
+        'in_campaign',
+        'campaign.failed',
+        'campaign.cancelled',
+        'to_funding_review',
+        'in_funding_review',
+        'in_funding_review.to_change',
+        'in_funding_review.to_review',
+        'funding_review.rejected',
+        'to_funding',
+        'in_funding',
+        'funding.paid'
+    ]).readonly().optional().default('in_draft')
+});
+
 /**
  * Projects describe a User-owned, community-led event that is to be discovered, developed and funded by the community.
  */
@@ -981,7 +950,7 @@ export const zTerritoryJsonld = z.object({
     ]).optional(),
     '@id': z.string().readonly().optional(),
     '@type': z.string().readonly().optional(),
-    country: z.string().nullish(),
+    country: z.string().nullable(),
     subLvl1: z.string().nullish(),
     subLvl2: z.string().nullish(),
     address: z.string().nullish()
@@ -1029,6 +998,37 @@ export const zMatchCallJsonld = z.object({
     ]).optional().default('in_editing')
 });
 
+/**
+ * Projects describe a User-owned, community-led event that is to be discovered, developed and funded by the community.
+ */
+export const zProjectProjectCreationDtoJsonld = z.object({
+    title: z.string().min(3).regex(/^(.*[a-zA-Z]{1,}.*)$/),
+    subtitle: z.string(),
+    categories: z.array(z.string()).min(1).max(2),
+    territory: zTerritoryJsonld,
+    calendar: zProjectCalendarJsonld,
+    status: z.enum([
+        'in_draft',
+        'to_campaign_review',
+        'in_campaign_review',
+        'in_campaign_review.to_change',
+        'in_campaign_review.to_review',
+        'campaign_review.rejected',
+        'to_campaign',
+        'in_campaign',
+        'campaign.failed',
+        'campaign.cancelled',
+        'to_funding_review',
+        'in_funding_review',
+        'in_funding_review.to_change',
+        'in_funding_review.to_review',
+        'funding_review.rejected',
+        'to_funding',
+        'in_funding',
+        'funding.paid'
+    ]).readonly().optional().default('in_draft')
+});
+
 /**
  * Unlike other Money recipients a Tipjar receives money with no further goal.\
  * \
diff --git a/src/pages/[...locale]/create/project.astro b/src/pages/[...locale]/create/project.astro
index b3454165..7a378a47 100644
--- a/src/pages/[...locale]/create/project.astro
+++ b/src/pages/[...locale]/create/project.astro
@@ -5,21 +5,25 @@ import CreateProjectForm from "../../../components/create/CreateProjectForm.svel
 import { apiCategoriesGetCollection } from "../../../openapi/client";
 import { toCollectionItems } from "../../../utils/hydra";
 import type { Category } from "../../../openapi/client";
+import { goto } from "../../../utils/navigation";
+import { withoutCache } from "../../../openapi/cacheInterceptor";
 
 const { t, lang, langs, session } = Astro.locals;
 
 if (!session) {
-    return Astro.redirect("/login");
+    return goto("/login", { query: { callback: "/create/project" } });
 }
 
-const { data: categoriesRaw } = await apiCategoriesGetCollection({
-    headers: { "Accept-Language": langs },
-});
+const { data: categoriesRaw } = await withoutCache(() =>
+    apiCategoriesGetCollection({
+        headers: { "Accept-Language": langs },
+    }),
+);
 const categories = toCollectionItems<Category>(categoriesRaw);
 ---
 
 <Layout title={t("pages.project.create.title")}>
     <App client:load locale={lang} session={session}>
-        <CreateProjectForm client:load categories={categories || []} />
+        <CreateProjectForm client:load {categories} />
     </App>
 </Layout>
diff --git a/src/pages/[...locale]/create/validation.ts b/src/pages/[...locale]/create/validation.ts
deleted file mode 100644
index 0b691599..00000000
--- a/src/pages/[...locale]/create/validation.ts
+++ /dev/null
@@ -1,113 +0,0 @@
-import { z } from "zod";
-
-import { maxEndDate } from "../../../utils/campaign";
-
-const territorySchema = z
-    .object({
-        country: z.string().nullable().optional(),
-        subLvl1: z.string().nullable().optional(),
-        subLvl2: z.string().nullable().optional(),
-        address: z.string().nullable().optional(),
-    })
-    .refine(
-        (t) => !!(t.country || t.subLvl1 || t.subLvl2),
-        "validation.project.territory.required",
-    );
-
-/**
- * Validation schema for project creation form.
- * Mirrors backend validation rules from Project.ProjectCreationDto.
- *
- * @see src/openapi/openapi.json - Project.ProjectCreationDto schema
- */
-export const projectCreationSchema = z.object({
-    /**
-     * Project title - required field that must contain at least one letter.
-     * Pattern: ^(.*[a-zA-Z]{1,}.*)$
-     */
-    title: z
-        .string()
-        .min(1, "system.validation.project.title.required")
-        .regex(/^(.*[a-zA-Z]{1,}.*)$/, "system.validation.project.title.pattern"),
-
-    /**
-     * Project subtitle - required field.
-     */
-    subtitle: z.string().min(1, "system.validation.project.subtitle.required"),
-
-    /**
-     * Project categories - array with minimum 1 and maximum 2 items.
-     */
-    categories: z
-        .array(z.string())
-        .min(1, "system.validation.project.categories.min")
-        .max(2, "system.validation.project.categories.max"),
-
-    /**
-     * Release date - must be at least 14 days from now.
-     * Defaults to 28 days from now.
-     * Accepts both Date objects and date strings (from HTML date inputs).
-     */
-    release: z
-        .union([z.date(), z.string()])
-        .transform((val) => {
-            if (typeof val === "string") {
-                return new Date(val);
-            }
-            return val;
-        })
-        .refine(
-            (date) => {
-                const minDate = new Date();
-                minDate.setDate(minDate.getDate() + 14);
-                minDate.setHours(0, 0, 0, 0);
-
-                const normalizedDate = new Date(date);
-                normalizedDate.setHours(0, 0, 0, 0);
-
-                return normalizedDate >= minDate;
-            },
-            { message: "system.validation.project.release.min" },
-        )
-        .refine(
-            (date) => {
-                // Release must not be past the platform-wide cutoff
-                // (PUBLIC_CAMPAIGN_MAX_END_DATE)
-                if (!maxEndDate) return true;
-
-                // Create a copy of the input date to avoid mutation
-                const normalizedDate = new Date(date);
-                normalizedDate.setHours(0, 0, 0, 0);
-
-                return normalizedDate <= maxEndDate;
-            },
-            { message: "system.validation.project.release.max" },
-        )
-        .default(() => {
-            const defaultDate = new Date();
-            defaultDate.setDate(defaultDate.getDate() + 28);
-            return defaultDate;
-        }),
-
-    /**
-     * Project budget - optional field for display purposes.
-     * Not required for form submission but included for type consistency.
-     */
-    budget: z.number().nonnegative().optional().default(0),
-
-    /**
-     * Plain-text address for the project location.
-     */
-    address: z.string().min(1, "validation.project.address.required"),
-
-    /**
-     * ISO 3166 territory data derived from the selected address.
-     */
-    territory: territorySchema,
-});
-
-/**
- * TypeScript type inferred from the validation schema.
- * Use this type for type-safe form data handling.
- */
-export type ProjectCreationFormData = z.infer<typeof projectCreationSchema>;
diff --git a/src/services/nominatim.ts b/src/services/nominatim.ts
index c480b148..79b46344 100644
--- a/src/services/nominatim.ts
+++ b/src/services/nominatim.ts
@@ -1,3 +1,5 @@
+import type { Territory } from "../openapi/client";
+
 export const NOMINATIM_ADDRESS = "https://nominatim.openstreetmap.org";
 
 /**
@@ -73,14 +75,7 @@ export interface NominatimResult {
     extratags?: Record<string, string>;
 }
 
-export interface ExtractedTerritory {
-    country: string | null;
-    subLvl1: string | null;
-    subLvl2: string | null;
-    address: string | null;
-}
-
-export function extractTerritory(result: NominatimResult): ExtractedTerritory {
+export function extractTerritory(result: NominatimResult): Territory {
     const address = result.address ?? {};
 
     const country = address.country_code?.toUpperCase() ?? null;
@@ -98,6 +93,14 @@ export function extractTerritory(result: NominatimResult): ExtractedTerritory {
     };
 }
 
+/**
+ * Perform a free-form search query against Nominatim. Requests are locally cached.
+ * @param value
+ * @param limit
+ * @param extratags
+ * @see https://nominatim.org/release-docs/develop/api/Search/
+ * @returns
+ */
 export async function searchPlace(
     value: string,
     limit: number = 6,
diff --git a/src/stores/drafts/draftValidation.ts b/src/stores/drafts/draftValidation.ts
deleted file mode 100644
index dd13ca20..00000000
--- a/src/stores/drafts/draftValidation.ts
+++ /dev/null
@@ -1,291 +0,0 @@
-import murmur from "murmurhash-js";
-import z from "zod";
-
-import { type Draft, type Wizard, type CreateProjectForm } from "./projectDraft";
-import { projectCreationSchema } from "../../pages/[...locale]/create/validation";
-import { isPositiveMoney } from "../../utils/money";
-import { richTextToPlainText } from "../../utils/richText";
-
-import type {
-    ProjectBudgetItem,
-    ProjectCollaboration,
-    ProjectProjectCreationDto,
-    ProjectReward,
-} from "../../openapi/client";
-
-export type ValidationErrors = Record<string, string>;
-
-/**
- * Validates the entire create project form and updates the validation errors store.
- * Returns true if the form is valid, false otherwise.
- */
-export function validateCreateForm(createProject: ProjectProjectCreationDto): ValidationErrors {
-    const result = projectCreationSchema.safeParse(createProject);
-
-    if (!result.success) {
-        const errors: ValidationErrors = {};
-
-        result.error.issues.forEach((issue) => {
-            const fieldName = issue.path[0] as string;
-
-            if (!errors[fieldName]) {
-                errors[fieldName] = issue.message;
-            }
-        });
-
-        return errors;
-    }
-
-    return {};
-}
-
-export function validateDraftToPublish(draft: Draft): ValidationErrors {
-    const wizard = draft.wizardForm;
-
-    const errors: ValidationErrors = {};
-
-    Object.assign(errors, validateCreateForm(draft.createProject));
-
-    Object.assign(errors, validateConfiguration(wizard));
-
-    Object.assign(errors, validateCampaignInfo(wizard));
-
-    for (const reward of wizard.rewards) {
-        Object.assign(errors, validateReward(reward));
-    }
-
-    for (const collab of wizard.collaborations) {
-        Object.assign(errors, validateCollaboration(collab));
-    }
-
-    for (const minimumItem of wizard.budgetItems.minimum) {
-        Object.assign(errors, validateBudgetItem(minimumItem));
-    }
-
-    for (const optimumItem of wizard.budgetItems.optimum) {
-        Object.assign(errors, validateBudgetItem(optimumItem));
-    }
-
-    Object.assign(errors, validateBudgetAmount(draft));
-
-    return errors;
-}
-
-/**
- * Validation schema for Configuration step
- */
-export const configurationSchema = z.object({
-    deadline: z.enum(["minimum", "optimum"]),
-});
-
-/**
- * Validate Configuration step (Step 1)
- *
- * Validates against the configurationSchema using Zod.
- * Updates validationErrors store with any validation failures.
- *
- * @returns Record of field errors (empty if valid)
- */
-export function validateConfiguration(wizard: Wizard): ValidationErrors {
-    const result = configurationSchema.safeParse(wizard.configuration);
-
-    if (!result.success) {
-        const errors: ValidationErrors = {};
-
-        result.error.issues.forEach((issue) => {
-            const fieldName = issue.path[0] as string;
-
-            if (!errors[fieldName]) {
-                errors[fieldName] = issue.message;
-            }
-        });
-
-        return errors;
-    }
-
-    return {};
-}
-
-/**
- * Validate Campaign Info step (Step 2)
- *
- * Validates all campaign info fields according to requirements:
- * - At least 1 image OR 1 video required
- * - Objectives: min 50, max 5000 characters (plain text)
- * - Legacy: min 50, max 5000 characters
- * - Target audience: min 30, max 5000 characters
- * - Team: min 50, max 5000 characters
- *
- * @returns Record of field errors (empty if valid)
- *
- * @example
- * // Validate before completing step
- * function handleContinue() {
- *   const errors = validateCampaignInfo();
- *   if (Object.keys(errors).length === 0) {
- *     completeCurrentStep();
- *   }
- * }
- */
-export function validateCampaignInfo(wizard: Wizard): ValidationErrors {
-    const data = wizard.campaignInfo;
-    const errors: ValidationErrors = {};
-
-    // Media validation
-    if (data.images.length === 0 && !data.video) {
-        errors.media = "pages.project.edit.rewards.validation_info.reward.media.required";
-    }
-
-    // Objectives validation
-    const objectivesPlainText = richTextToPlainText(data.brief).trim();
-    if (objectivesPlainText.length === 0) {
-        errors.objectives = "pages.project.edit.rewards.validation_info.reward.objectives.required";
-    } else if (objectivesPlainText.length < 50) {
-        errors.objectives =
-            "pages.project.edit.rewards.validation_info.reward.objectives.min_length";
-    } else if (objectivesPlainText.length > 5000) {
-        errors.objectives =
-            "pages.project.edit.rewards.validation_info.reward.objectives.max_length";
-    }
-
-    // Legacy validation
-    const legacyPlainText = richTextToPlainText(data.about).trim();
-    if (legacyPlainText.length === 0) {
-        errors.legacy = "pages.project.edit.rewards.validation_info.reward.legacy.required";
-    } else if (legacyPlainText.length < 50) {
-        errors.legacy = "pages.project.edit.rewards.validation_info.reward.legacy.min_length";
-    } else if (legacyPlainText.length > 5000) {
-        errors.legacy = "pages.project.edit.rewards.validation_info.reward.legacy.max_length";
-    }
-
-    // Target audience validation
-    const targetPlainText = richTextToPlainText(data.goal).trim();
-    if (targetPlainText.length === 0) {
-        errors.targetAudience = "pages.project.edit.rewards.validation_info.reward.target.required";
-    } else if (targetPlainText.length < 30) {
-        errors.targetAudience =
-            "pages.project.edit.rewards.validation_info.reward.target.min_length";
-    } else if (targetPlainText.length > 5000) {
-        errors.targetAudience =
-            "pages.project.edit.rewards.validation_info.reward.target.max_length";
-    }
-
-    // Team validation
-    const teamPlainText = richTextToPlainText(data.team).trim();
-    if (teamPlainText.length === 0) {
-        errors.team = "pages.project.edit.rewards.validation_info.reward.team.required";
-    } else if (teamPlainText.length < 50) {
-        errors.team = "pages.project.edit.rewards.validation_info.reward.team.min_length";
-    } else if (teamPlainText.length > 5000) {
-        errors.team = "pages.project.edit.rewards.validation_info.reward.team.max_length";
-    }
-
-    return errors;
-}
-
-export function validateReward(reward: ProjectReward): ValidationErrors {
-    const errors: ValidationErrors = {};
-    const hash = murmur.murmur3(JSON.stringify(reward));
-
-    if (!reward.title.trim()) {
-        errors[`reward_error_title_${hash}`] = "pages.project.edit.rewards.validation.title";
-    }
-
-    if (!isPositiveMoney(reward.money)) {
-        errors[`reward_error_amount_${hash}`] = "pages.project.edit.rewards.validation.amount";
-    }
-
-    if (reward.isFinite && (!reward.unitsTotal || reward.unitsTotal <= 0)) {
-        errors[`reward_error_units_${hash}`] = "pages.project.edit.rewards.validation.units";
-    }
-
-    return errors;
-}
-
-export function validateCollaboration(collab: ProjectCollaboration): ValidationErrors {
-    const errors: ValidationErrors = {};
-    const hash = murmur.murmur3(JSON.stringify(collab));
-
-    if (!collab.title.trim()) {
-        errors[`collab_error_title_${hash}`] = "pages.project.edit.collaborations.validation.title";
-    }
-
-    if (collab.description && collab.description.length > 1000) {
-        errors[`collab_error_description_too_long_${hash}`] =
-            "pages.project.edit.collaborations.validation.descriptionTooLong";
-    }
-
-    if (!collab.description.trim()) {
-        errors[`collab_error_description_${hash}`] =
-            "pages.project.edit.collaborations.validation.description";
-    }
-
-    return errors;
-}
-
-export function validateBudgetItem(item: ProjectBudgetItem): ValidationErrors {
-    const errors: ValidationErrors = {};
-    const hash = murmur.murmur3(JSON.stringify(item));
-
-    if (!item.title.trim()) {
-        errors[`budget_error_title_${hash}`] = "pages.project.edit.budget.validation.title.";
-    }
-
-    if (!item.description.trim()) {
-        errors[`budget_error_description_${hash}`] =
-            "pages.project.edit.budget.validation.description";
-    }
-
-    if (!isPositiveMoney(item.money)) {
-        errors[`budget_error_amount_${hash}`] = "pages.project.edit.budget.validation.amount";
-    }
-
-    if (!item.money.currency) {
-        errors[`budget_error_currency_${hash}`] = "pages.project.edit.budget.validation.currency";
-    }
-
-    if (!item.type) {
-        errors[`budget_error_type_${hash}`] = "pages.project.edit.budget.validation.type";
-    }
-
-    if (!item.deadline || (item.deadline !== "minimum" && item.deadline !== "optimum")) {
-        errors[`budget_error_deadline_${hash}`] = "pages.project.edit.budget.validation.class";
-    }
-
-    return errors;
-}
-
-export function validateBudgetAmount(draft: Draft) {
-    const budgetItems = draft.wizardForm.budgetItems;
-    const errors: ValidationErrors = {};
-
-    if (budgetItems.minimum.length <= 0) {
-        errors.minimum_length = "pages.project.edit.budget.validation.minimumItemsLength";
-    }
-
-    return errors;
-}
-
-/**
- * Validates a single field and updates the validation errors store.
- * Uses Zod's type system with proper type guards to avoid unsafe type assertions.
- * @param fieldName - The name of the field to validate
- * @param value - The current value of the field
- */
-export function validateField(fieldName: keyof CreateProjectForm, value: unknown): string | null {
-    type SchemaFields = keyof typeof projectCreationSchema.shape;
-
-    if (!(fieldName in projectCreationSchema.shape)) {
-        return null;
-    }
-
-    const fieldSchema = projectCreationSchema.shape[fieldName as SchemaFields];
-
-    const result = (fieldSchema as z.ZodTypeAny).safeParse(value);
-
-    if (!result.success) {
-        return result.error.issues[0]?.message || "";
-    }
-
-    return null;
-}
diff --git a/src/utils/campaign.ts b/src/utils/campaign.ts
index 3e37b42b..e69de29b 100644
--- a/src/utils/campaign.ts
+++ b/src/utils/campaign.ts
@@ -1,35 +0,0 @@
-/**
- * Parses a recurring DD-MM string into the next upcoming local-midnight Date.
- * The year is implicit: the cutoff recurs every year, so the value resolves to
- * the next occurrence of that day/month on or after today.
- * Returns undefined for empty or malformed values.
- */
-export function parseMaxEndDate(raw: string | undefined, now: Date = new Date()): Date | undefined {
-    if (!raw || raw === "") return undefined;
-
-    const match = /^(\d{2})-(\d{2})$/.exec(raw);
-    if (!match) {
-        console.warn(`Invalid PUBLIC_CAMPAIGN_MAX_END_DATE value (expected DD-MM): ${raw}`);
-        return undefined;
-    }
-
-    const day = Number(match[1]);
-    const month = Number(match[2]);
-
-    const today = new Date(now.getFullYear(), now.getMonth(), now.getDate());
-    const cutoff = new Date(today.getFullYear(), month - 1, day);
-
-    // Already passed this year → use next year's occurrence
-    if (cutoff < today) {
-        cutoff.setFullYear(cutoff.getFullYear() + 1);
-    }
-
-    return cutoff;
-}
-
-/**
- * Latest date a project may start its campaign, as configured by the platform
- * owner. PUBLIC_CAMPAIGN_MAX_END_DATE is a recurring DD-MM value (year implicit);
- * it resolves to the next upcoming occurrence. Leave empty to disable the limit.
- */
-export const maxEndDate = parseMaxEndDate(import.meta.env.PUBLIC_CAMPAIGN_MAX_END_DATE);
diff --git a/src/utils/dates.ts b/src/utils/dates.ts
index cb5daf06..7e17e017 100644
--- a/src/utils/dates.ts
+++ b/src/utils/dates.ts
@@ -9,3 +9,68 @@ export function formatDate(date: Date, locale: Locale) {
 
     return date.toLocaleDateString(locale, options);
 }
+
+/**
+ * Get a date `n` ms from now
+ * @param offset Milliseconds since now until future date
+ * @returns {Date}
+ */
+export function getDateInFuture(offset: number): Date {
+    const now = new Date();
+    now.setTime(now.getTime() + offset);
+
+    return now;
+}
+
+/**
+ * Parses an ISO-like date string. Replaces partial values and wildcards `*` with the appropriate current value.
+ * @param raw
+ * @param now
+ * @returns
+ */
+export function parseDate(raw: string | undefined, now: Date = new Date()): Date | undefined {
+    if (!raw) return undefined;
+
+    const parts = raw.split("-");
+
+    if (
+        parts.length < 1 ||
+        parts.length > 3 ||
+        !/^(?:\d{4}|\*)$/.test(parts[0]) ||
+        parts.slice(1).some((part) => !/^(?:\d{2}|\*)$/.test(part))
+    ) {
+        console.warn(`Invalid value: ${raw}`);
+        return undefined;
+    }
+
+    const year = parts[0] === "*" ? now.getFullYear() : Number(parts[0]);
+
+    const month =
+        parts[1] === undefined || parts[1] === "*" ? now.getMonth() + 1 : Number(parts[1]);
+
+    const day = parts[2] === undefined || parts[2] === "*" ? now.getDate() : Number(parts[2]);
+
+    return new Date(year, month - 1, day);
+}
+
+/**
+ * Latest date a project may start its campaign, as configured by the platform owner.
+ * Calculated from `PUBLIC_CAMPAIGN_MAX_END_DATE`. Leave empty to disable the limit.
+ */
+export const CAMPAIGN_MAX_END_DATE = parseDate(import.meta.env.PUBLIC_CAMPAIGN_MAX_END_DATE);
+
+function getMinStartDate() {
+    const minStartDate = getDateInFuture(
+        86400000 * parseInt(import.meta.env.PUBLIC_CAMPAIGN_MIN_REV_DAYS || 1),
+    );
+
+    minStartDate.setHours(0, 0, 0);
+
+    return minStartDate;
+}
+
+/**
+ * Earliest date a project may start its campaign, as calculated from the platform's minimum review days.
+ * Calculated from `PUBLIC_CAMPAIGN_MIN_REV_DAYS`. When empty will default to 1 day from now.
+ */
+export const CAMPAIGN_MIN_START_DATE = getMinStartDate();
diff --git a/src/utils/territory.ts b/src/utils/territory.ts
new file mode 100644
index 00000000..add33968
--- /dev/null
+++ b/src/utils/territory.ts
@@ -0,0 +1,22 @@
+import iso3166 from "iso-3166-2";
+
+import type { Territory } from "../openapi/client";
+
+export function getTerritoryDisplayName(territory: Territory, lang: Intl.LocalesArgument): string {
+    const countryNames = new Intl.DisplayNames(lang, { type: "region" });
+    const country = countryNames.of(territory.country!);
+
+    const tag = territory.subLvl2 ?? territory.subLvl1;
+    if (!tag) {
+        return country!;
+    }
+
+    const iso = iso3166.subdivision(tag!);
+    if (!iso || !iso.name) {
+        return country!;
+    }
+
+    const subdivision = iso.name.split(",")[0];
+
+    return `${subdivision}, ${country}`;
+}
diff --git a/src/utils/validation.ts b/src/utils/validation.ts
index a0268ce1..6c88346a 100644
--- a/src/utils/validation.ts
+++ b/src/utils/validation.ts
@@ -24,7 +24,9 @@ export function validate<T>(value: unknown, schema: z.ZodType<T>): ValidationErr
     }));
 }
 
-function getValidationParams(issue: z.core.$ZodIssue): Record<string, string | number> | undefined {
+export function getValidationParams(
+    issue: z.core.$ZodIssue,
+): Record<string, string | number> | undefined {
     switch (issue.code) {
         case "too_small":
             return { min: Number(issue.minimum) };
diff --git a/src/validation/projectValidation.ts b/src/validation/projectValidation.ts
new file mode 100644
index 00000000..889d7b39
--- /dev/null
+++ b/src/validation/projectValidation.ts
@@ -0,0 +1,32 @@
+import { z } from "zod";
+
+import { zProjectProjectCreationDto } from "../openapi/client/zod.gen";
+import { CAMPAIGN_MAX_END_DATE, CAMPAIGN_MIN_START_DATE } from "../utils/dates";
+
+export const zProjectCampaignRelease = z
+    .date()
+    .refine((release) => release >= CAMPAIGN_MIN_START_DATE, {
+        error: "system.validation.project.release.min",
+        params: { min: CAMPAIGN_MIN_START_DATE },
+    })
+    .refine((release) => CAMPAIGN_MAX_END_DATE && release <= CAMPAIGN_MAX_END_DATE, {
+        error: "system.validation.project.release.max",
+        params: { max: CAMPAIGN_MAX_END_DATE },
+    });
+
+export const zCreateProjectForm = zProjectProjectCreationDto.superRefine((form, ctx) => {
+    if (!form.calendar?.release) {
+        return;
+    }
+
+    const release = zProjectCampaignRelease.safeParse(new Date(form.calendar.release));
+
+    if (!release.success) {
+        for (const issue of release.error.issues) {
+            ctx.addIssue({
+                ...issue,
+                path: ["calendar"],
+            });
+        }
+    }
+});