Replace the landing with the artifact design and rebuild the admin in Ant Design.

Adds consultation leads, section editors, and the one-time content reset for this release.

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

apps/landing/components/ui/PageHeading.vue

@@ -0,0 +1,23 @@
+<template>
+  <div class="text-center max-w-2xl mx-auto mb-16 space-y-2 fade-item">
+    <nav v-if="crumbs?.length" aria-label="مسیر صفحه" class="text-xs font-bold text-slate-400 dark:text-slate-500">
+      <ol class="inline-flex items-center gap-2">
+        <li v-for="(c, i) in crumbs" :key="c.to" class="inline-flex items-center gap-2">
+          <NuxtLink v-if="i < crumbs.length - 1" :to="c.to" class="hover:text-brand-600 dark:hover:text-brand-400 transition-colors">{{ c.label }}</NuxtLink>
+          <span v-else aria-current="page">{{ c.label }}</span>
+          <span v-if="i < crumbs.length - 1" aria-hidden="true">/</span>
+        </li>
+      </ol>
+    </nav>
+    <h1 class="text-3xl sm:text-4xl font-black text-slate-900 dark:text-white leading-snug">{{ title }}</h1>
+    <p v-if="subtitle" class="text-sm sm:text-base text-slate-500 dark:text-slate-400 font-normal">{{ subtitle }}</p>
+  </div>
+</template>
+
+<script setup lang="ts">
+defineProps<{
+  title: string;
+  subtitle?: string;
+  crumbs?: Array<{ label: string; to: string }>;
+}>();
+</script>