Add /welcome landing page

docs.json

@@ -46,7 +46,7 @@
           {
             "group": "LANDING PAGE PLACEHOLDER",
             "pages": [
-              "solutions/overview"
+              "welcome"
             ]
           },
           {

welcome.mdx

@@ -0,0 +1,119 @@
+---
+title: "Welcome to Turnkey"
+description: "Secure, flexible, and scalable wallet infrastructure"
+---
+
+# Turnkey: Secure, flexible, and scalable wallet infrastructure
+
+Turnkey provides the infrastructure to create and manage wallets, sign transactions, and secure cryptographic keys — where every key operation is hardware-isolated, policy-governed, and cryptographically auditable. Build on a foundation where security isn't a tradeoff.
+
+<br />
+
+{/* SEARCH */}
+
+## Where do you want to start?
+
+<br />
+
+<Note>
+  Use the search bar above (⌘K) to find anything across the docs.
+</Note>
+
+---
+
+## Explore Turnkey's products
+
+<CardGroup cols={2}>
+
+  <Card
+    title="Embedded Wallets"
+    icon="wallet"
+    href="/embedded-wallets/overview"
+  >
+    **Wallet experiences built into your product**
+
+    Build wallets directly into your app — for consumers, business accounts, or as the foundation for your own wallet product. Users authenticate with email, passkeys, or social login. You control the experience.
+
+    {/*
+      ⚠️ INTERNAL NOTE — NOT FOR PUBLICATION
+      Are embedded wallets always non-custodial? Previous description said "non-custodial"
+      but the product supports non-custodial and hybrid custody models.
+      Needs stakeholder confirmation before finalizing this description.
+    */}
+  </Card>
+
+  <Card
+    title="Company Wallets"
+    icon="building"
+    href="/company-wallets/overview"
+  >
+    **Wallets your organization operates for onchain automation**
+
+    Run high-volume signing workflows with programmable controls — spending limits, multi-party approvals, role-based access, and automated policy execution. Purpose-built for teams that need to operate onchain at scale.
+  </Card>
+
+  <Card
+    title="Key Management"
+    icon="key"
+    href="/products/key-management/overview"
+  >
+    **Enterprise-grade security for your most sensitive keys**
+
+    Hardware-backed key storage with programmable access controls, quorum approvals, and tamper-evident audit logs. The security model your most critical infrastructure deserves.
+  </Card>
+
+  <Card
+    title="Verifiable Cloud"
+    icon="shield-check"
+    href="/tvc/overview"
+  >
+    **Run code inside hardware-isolated enclaves** `Beta`
+
+    Execute workloads with verifiable computation guarantees — built for applications where trust and auditability are non-negotiable.
+  </Card>
+
+</CardGroup>
+
+---
+
+## How Turnkey works
+
+<Card
+  title="How Turnkey works"
+  icon="book-open"
+  href="/concepts/overview"
+>
+  Understand the core architecture behind Turnkey's key infrastructure.
+</Card>
+
+---
+
+## Start building
+
+<CardGroup cols={2}>
+
+  <Card
+    title="Account setup"
+    icon="circle-play"
+    href="/getting-started/quickstart"
+  >
+    Create your organization and generate an API keypair — the two steps every Turnkey integration starts with.
+  </Card>
+
+  <Card
+    title="Embedded Wallets quickstart"
+    icon="code"
+    href="/getting-started/embedded-wallet-quickstart"
+  >
+    Jump into code with a step-by-step guide for building embedded wallets.
+  </Card>
+
+  <Card
+    title="Verifiable Cloud quickstart"
+    icon="code"
+    href="/getting-started/verifiable-cloud-quickstart"
+  >
+    Get started running workloads inside Turnkey's secure enclave infrastructure.
+  </Card>
+
+</CardGroup>