feat(page): initial landing page with dev tooling

Pre-launch landing page for The Lofty Project — a 501(c)(4) connecting
creative talent with leftist organizing. Includes hero with blur-in
line-by-line animation, three-pillar section (Talent/Media/Infrastructure),
interest signup buttons, and responsive design with fluid typography.

Tooling: Astro 5, Biome linting/formatting, Lefthook git hooks,
Commitizen with conventional commits, and project documentation.

biome.json

@@ -0,0 +1,55 @@
+{
+    "$schema": "https://biomejs.dev/schemas/2.3.14/schema.json",
+    "vcs": {
+        "enabled": true,
+        "clientKind": "git",
+        "useIgnoreFile": true
+    },
+    "files": {
+        "includes": ["**", "!**/node_modules", "!**/dist", "!**/.astro", "!**/bun.lock"]
+    },
+    "formatter": {
+        "enabled": true,
+        "indentStyle": "space",
+        "indentWidth": 4,
+        "lineWidth": 100
+    },
+    "assist": { "actions": { "source": { "organizeImports": "on" } } },
+    "linter": {
+        "enabled": true,
+        "rules": {
+            "recommended": true,
+            "correctness": {
+                "noUnusedImports": "warn",
+                "noUnusedVariables": "warn"
+            },
+            "style": {
+                "noNonNullAssertion": "warn"
+            },
+            "suspicious": {
+                "noExplicitAny": "warn",
+                "noUnknownAtRules": "off"
+            }
+        }
+    },
+    "javascript": {
+        "formatter": {
+            "quoteStyle": "double",
+            "trailingCommas": "all",
+            "semicolons": "always"
+        }
+    },
+    "overrides": [
+        {
+            "includes": ["**/*.astro"],
+            "linter": {
+                "rules": {
+                    "correctness": {
+                        "noUnusedImports": "off",
+                        "noUnusedVariables": "off"
+                    }
+                }
+            }
+        }
+    ]
+}