diff --git a/.eslintignore b/.eslintignore
index 644bc2e..26f33aa 100644
--- a/.eslintignore
+++ b/.eslintignore
@@ -1 +1,3 @@
-helix-importer-ui
\ No newline at end of file
+helix-importer-ui
+tools/
+plugins/
\ No newline at end of file
diff --git a/.stylelintrc.json b/.stylelintrc.json
index 17c74ed..cf7e967 100644
--- a/.stylelintrc.json
+++ b/.stylelintrc.json
@@ -1,3 +1,7 @@
 {
-  "extends": ["stylelint-config-standard"]
+  "extends": ["stylelint-config-standard"],
+  "rules": {
+    "selector-class-pattern": null,
+    "no-descending-specificity": null
+  }
 }
\ No newline at end of file
diff --git a/blocks/columns-stats/columns-stats.css b/blocks/columns-stats/columns-stats.css
index fa08ea8..6ee0c0f 100644
--- a/blocks/columns-stats/columns-stats.css
+++ b/blocks/columns-stats/columns-stats.css
@@ -85,7 +85,9 @@ main > .section.columns-stats-container:first-of-type {
 }
 
 /* -------------------------------------------------------------------------- */
+
 /* USTA Foundation — pill metrics strip (scoped)                              */
+
 /* -------------------------------------------------------------------------- */
 
 /* Horizontal inset comes from main > .section > div; avoid double padding here */
@@ -104,8 +106,7 @@ body.foundation .columns-stats {
 }
 
 body.foundation .columns-stats > div:first-child {
-  align-items: center;
-  justify-items: center;
+  place-items: center center;
   gap: clamp(24px, 4vw, 48px) clamp(16px, 3vw, 40px);
 }
 
diff --git a/blocks/columns/columns.css b/blocks/columns/columns.css
index 6597353..c1c7e7c 100644
--- a/blocks/columns/columns.css
+++ b/blocks/columns/columns.css
@@ -54,7 +54,7 @@ main > .section.columns-container:first-of-type {
 }
 
 /* Text column */
-.columns > div > div:not(.columns-img-col):not(.columns-gallery-col) {
+.columns > div > div:not(.columns-img-col, .columns-gallery-col) {
   padding: 32px 24px;
 }
 
@@ -85,7 +85,7 @@ main > .section.columns-container:first-of-type {
     order: unset;
   }
 
-  .columns > div > div:not(.columns-img-col):not(.columns-gallery-col) {
+  .columns > div > div:not(.columns-img-col, .columns-gallery-col) {
     display: flex;
     flex-direction: column;
     justify-content: center;
@@ -93,7 +93,7 @@ main > .section.columns-container:first-of-type {
     box-sizing: border-box;
   }
 
-  .columns > div > div:not(.columns-img-col):not(.columns-gallery-col) h2 {
+  .columns > div > div:not(.columns-img-col, .columns-gallery-col) h2 {
     font-size: 72px;
   }
   
@@ -114,7 +114,9 @@ main > .section.columns-container:first-of-type {
 }
 
 /* -------------------------------------------------------------------------- */
+
 /* Columns gallery — outer 1:1; .2-left-1-right = two 1:1 crops + one 1:2 crop */
+
 /* -------------------------------------------------------------------------- */
 
 .columns.gallery > div > .columns-gallery--2-left-1-right {
@@ -193,25 +195,27 @@ main > .section.columns-container:first-of-type {
 }
 
 /* -------------------------------------------------------------------------- */
+
 /* Foundation site — two-column copy + video card (.foundation ancestor) */
+
 /* -------------------------------------------------------------------------- */
 
 .foundation .columns {
   overflow: visible;
 }
 
-.foundation .columns > div > div:not(.columns-img-col):not(.columns-gallery-col) {
+.foundation .columns > div > div:not(.columns-img-col, .columns-gallery-col) {
   text-align: left;
   align-items: flex-start;
 }
 
-.foundation .columns > div > div:not(.columns-img-col):not(.columns-gallery-col) h2 {
+.foundation .columns > div > div:not(.columns-img-col, .columns-gallery-col) h2 {
   font-size: clamp(26px, 3.2vw, 38px);
   line-height: 1.15;
   margin: 0 0 20px;
 }
 
-.foundation .columns > div > div:not(.columns-img-col):not(.columns-gallery-col) p {
+.foundation .columns > div > div:not(.columns-img-col, .columns-gallery-col) p {
   font-size: clamp(15px, 1.6vw, 18px);
   line-height: 1.65;
   color: var(--text-color);
@@ -271,7 +275,7 @@ main > .section.columns-container:first-of-type {
     min-width: 0;
   }
 
-  .foundation .columns > div > div:not(.columns-img-col):not(.columns-gallery-col) {
+  .foundation .columns > div > div:not(.columns-img-col, .columns-gallery-col) {
     justify-content: flex-start;
     padding: 24px 0;
   }
diff --git a/blocks/filter-cards/filter-cards.js b/blocks/filter-cards/filter-cards.js
index 1a6bbfc..36bd7da 100644
--- a/blocks/filter-cards/filter-cards.js
+++ b/blocks/filter-cards/filter-cards.js
@@ -113,7 +113,8 @@ export default async function decorate(block) {
 
   const data = await fetchIndex();
   allArticles = data
-    .filter((a) => a.path && a.title && a.path !== window.location.pathname)
+    .filter((a) => a.path && a.title && a.image && a.description
+      && a.path !== window.location.pathname)
     .sort((a, b) => (b.lastModified || 0) - (a.lastModified || 0));
 
   filteredArticles = [...allArticles];
diff --git a/blocks/form/form.css b/blocks/form/form.css
index 8ede136..f93a18b 100644
--- a/blocks/form/form.css
+++ b/blocks/form/form.css
@@ -80,7 +80,7 @@
 .form .form-field input {
   width: 100%;
   box-sizing: border-box;
-  padding: 14px 14px;
+  padding: 14px;
   border: 1px solid #000;
   border-radius: 0;
   font-size: 16px;
@@ -151,6 +151,7 @@
   .form-container .form-wrapper {
     padding: 64px 40px 72px;
   }
+
   .form .form-heading h2 {
     font-size: 56px;
     margin-bottom: 12px;
@@ -162,8 +163,7 @@
   }
 
   .form .form-input-row {
-    flex-direction: row;
-    flex-wrap: wrap;
+    flex-flow: row wrap;
     gap: 20px;
     align-items: flex-end;
     margin-bottom: 32px;
diff --git a/blocks/header/header.js b/blocks/header/header.js
index 1a57da8..02eab8e 100644
--- a/blocks/header/header.js
+++ b/blocks/header/header.js
@@ -138,7 +138,16 @@ export default async function decorate(block) {
       trigger.addEventListener('click', (e) => {
         if (!isDesktop.matches) return;
         const href = trigger.getAttribute('href')?.trim() || '';
-        const isPlaceholder = !href || href === '#' || href.startsWith('javascript:');
+        let isJsProtocol = false;
+        if (href) {
+          try {
+            const proto = new URL(href, window.location.href).protocol.toLowerCase();
+            isJsProtocol = proto === `${'java'}script:`;
+          } catch {
+            isJsProtocol = false;
+          }
+        }
+        const isPlaceholder = !href || href === '#' || isJsProtocol;
         if (!isPlaceholder) return;
 
         e.preventDefault();
diff --git a/blocks/hero/hero.css b/blocks/hero/hero.css
index e8f4b42..8c17c9a 100644
--- a/blocks/hero/hero.css
+++ b/blocks/hero/hero.css
@@ -37,7 +37,9 @@
 }
 
 /* -------------------------------------------------------------------------- */
+
 /* USTA Foundation home hero — scoped to body.foundation only               */
+
 /* -------------------------------------------------------------------------- */
 
 body.foundation .hero-container .hero-wrapper {
diff --git a/blocks/player-profile/player-profile.css b/blocks/player-profile/player-profile.css
index 3640d37..3834808 100644
--- a/blocks/player-profile/player-profile.css
+++ b/blocks/player-profile/player-profile.css
@@ -67,7 +67,7 @@
   color: #fff;
   text-transform: none;
   margin: 0;
-  width: 58.33333333%;
+  width: 58.3333%;
   background: rgb(0 0 0 / 58%);
   padding: 20px 28px 24px;
   box-sizing: border-box;
@@ -137,7 +137,7 @@
   font-size: 18px;
   font-weight: 600;
   line-height: 23px;
-  color: rgb(0, 37, 193) !important;
+  color: rgb(0 37 193) !important;
   text-decoration: underline !important;
   text-underline-offset: 2px;
   letter-spacing: 0.2px;
diff --git a/blocks/player-profile/player-profile.js b/blocks/player-profile/player-profile.js
index baa159b..c7e3f27 100644
--- a/blocks/player-profile/player-profile.js
+++ b/blocks/player-profile/player-profile.js
@@ -28,8 +28,17 @@ async function fetchPlayerProfile() {
 function populateProfile(block, profile) {
   if (!profile) return;
 
-  const { firstName, gender, residencyDeclaration, uaid } = profile;
-  const { section, district, countryIso } = residencyDeclaration ?? {};
+  const {
+    firstName,
+    gender,
+    residencyDeclaration,
+    uaid,
+  } = profile;
+  const {
+    section,
+    district,
+    countryIso,
+  } = residencyDeclaration ?? {};
 
   const greet = block.querySelector('.player-profile-greeting');
   if (greet && firstName) greet.textContent = `Welcome, ${firstName}!`;
diff --git a/blocks/player-rankings/player-rankings.css b/blocks/player-rankings/player-rankings.css
index b890974..16fac16 100644
--- a/blocks/player-rankings/player-rankings.css
+++ b/blocks/player-rankings/player-rankings.css
@@ -18,7 +18,7 @@
 .pr-cat-tabs {
   width: 100%;
   background-color: #09b5f7;
-  margin: 0 0 2rem 0;
+  margin: 0 0 2rem;
   padding-top: 0;
   box-sizing: border-box;
 }
@@ -127,7 +127,7 @@
   transition: background-color 0.15s;
   white-space: nowrap;
   text-align: center;
-  color: rgb(9, 181, 247) !important;
+  color: rgb(9 181 247) !important;
 }
 
 .pr-header-link:hover {
@@ -172,9 +172,7 @@
   font-size: 16px;
   color: #1a1a1a;
   background-color: #fff;
-  min-width: 190px;
   box-sizing: border-box;
-  -webkit-appearance: none;
   appearance: none;
   background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
   background-repeat: no-repeat;
@@ -224,7 +222,7 @@
   letter-spacing: 0.55px;
   text-transform: uppercase;
   color: #1a1a1a;
-  margin: 0 0 1rem 0;
+  margin: 0 0 1rem;
 }
 
 .pr-sidebar-heading--filter {
@@ -274,7 +272,7 @@
 }
 
 .pr-filter-input--search[type='search']::-webkit-search-cancel-button {
-  -webkit-appearance: none;
+  appearance: none;
 }
 
 .pr-label-row {
@@ -363,7 +361,7 @@
   width: 100%;
   min-height: 52px;
   height: auto;
-  padding: 14px 14px;
+  padding: 14px;
   border-radius: 999px;
   background-color: #000;
   color: #fff;
@@ -586,7 +584,7 @@
   transition: background-color 0.12s, border-color 0.12s;
 }
 
-.pr-page-btn:hover:not(.pr-page-btn--active):not(.pr-page-btn--disabled) {
+.pr-page-btn:hover:not(.pr-page-btn--active, .pr-page-btn--disabled) {
   background-color: #f0f0f0;
   border-color: #aaa;
 }
@@ -675,8 +673,7 @@
     padding: 20px 16px 24px;
     border-right: none;
     border-bottom: 1px solid #e0e0e0;
-    flex-direction: column;
-    flex-wrap: nowrap;
+    flex-flow: column nowrap;
     gap: 20px;
     align-items: stretch;
   }
@@ -851,7 +848,7 @@
     min-width: 7rem;
     max-width: 9rem;
     background-color: #fff;
-    box-shadow: 4px 0 10px -4px rgba(0, 0, 0, 0.18);
+    box-shadow: 4px 0 10px -4px rgb(0 0 0 / 18%);
   }
 
   .pr-table .pr-row > .pr-td:nth-child(1) {
@@ -885,7 +882,7 @@
     min-width: 7rem;
     max-width: 9rem;
     background-color: #fff;
-    box-shadow: 4px 0 10px -4px rgba(0, 0, 0, 0.12);
+    box-shadow: 4px 0 10px -4px rgb(0 0 0 / 12%);
   }
 
   .pr-pagination {
diff --git a/blocks/player-rankings/player-rankings.js b/blocks/player-rankings/player-rankings.js
index 0d915f6..efcebab 100644
--- a/blocks/player-rankings/player-rankings.js
+++ b/blocks/player-rankings/player-rankings.js
@@ -25,7 +25,8 @@
  *   2. On each filter change or page change → buildPayload() → fetchRankings()
  *   3. Response → renderTable() + renderPagination()
  *   4. Location hash is kept in sync (USTA-style), e.g.
- *      #tab=junior&junior-juniorListType=doubles&junior-rankListGender=M&junior-page=1&junior-sectionCode=S10
+ *      #tab=junior&junior-juniorListType=doubles&junior-rankListGender=M&
+ *      junior-page=1&junior-sectionCode=S10
  *      (see usta.com/play/rankings for the same param names)
  *
  * Document authoring table shape (AEM/EDS table-block convention):
@@ -125,8 +126,8 @@ const SECTIONS = [
 
 function createState(defaults) {
   return {
-    listType: defaults.listType || 'doubles',   // ← changed: was 'combined'
-    gender: defaults.gender || 'M',             // ← changed: was 'F'
+    listType: defaults.listType || 'doubles', // ← changed: was 'combined'
+    gender: defaults.gender || 'M', // ← changed: was 'F'
     ageGroup: defaults.ageGroup || 'Y12',
     section: '',
     searchName: '',
@@ -145,15 +146,12 @@ const SECTION_CODES = new Set(SECTIONS.map((s) => s.value).filter(Boolean));
 
 /** True when the hash has at least one `junior-…` param (not `tab=junior` alone). */
 function isJuniorUrlFragment(p) {
-  for (const k of p.keys()) {
-    if (k.startsWith('junior-')) return true;
-  }
-  return false;
+  return [...p.keys()].some((k) => k.startsWith('junior-'));
 }
 
 const DEFAULT_JUNIOR_STATE = {
-  listType: 'doubles',   // ← changed: was 'combined'
-  gender: 'M',           // ← changed: was 'F'
+  listType: 'doubles', // ← changed: was 'combined'
+  gender: 'M', // ← changed: was 'F'
   ageGroup: 'Y12',
   section: '',
   searchName: '',
@@ -168,10 +166,10 @@ const DEFAULT_JUNIOR_STATE = {
  * @returns {{ filterState: null | object, hadPublishInHash: boolean, ignore: boolean }}
  */
 function getPlayerRankingsStateFromHash() {
-  if (typeof location === 'undefined') {
+  if (typeof window.location === 'undefined') {
     return { filterState: null, hadPublishInHash: false, ignore: false };
   }
-  const raw = location.hash?.replace(/^#/, '') ?? '';
+  const raw = window.location.hash?.replace(/^#/, '') ?? '';
   if (!raw.trim()) {
     return { filterState: null, hadPublishInHash: false, ignore: false };
   }
@@ -226,7 +224,7 @@ function getPlayerRankingsStateFromHash() {
 
 /** Writes #tab=junior&junior-…; uses replaceState (no history spam). */
 function replaceHashFromPlayerRankingsState(state) {
-  if (typeof history === 'undefined' || typeof location === 'undefined') return;
+  if (typeof window.history === 'undefined' || typeof window.location === 'undefined') return;
   const next = new URLSearchParams();
   next.set('tab', 'junior');
   next.set('junior-juniorListType', state.listType);
@@ -244,20 +242,20 @@ function replaceHashFromPlayerRankingsState(state) {
     next.set('junior-playerName', s);
   }
   const hash = `#${next.toString()}`;
-  if (location.hash === hash) return;
-  const u = new URL(location.href);
+  if (window.location.hash === hash) return;
+  const u = new URL(window.location.href);
   u.hash = hash;
-  history.replaceState(null, '', u);
+  window.history.replaceState(null, '', u);
 }
 
 /** If there is no fragment, set #tab=junior so the bar matches USTA before/without filters. */
 function ensureTabJuniorInUrlWhenHashEmpty() {
-  if (typeof history === 'undefined' || typeof location === 'undefined') return;
-  const fr = (location.hash || '').replace(/^#/, '').trim();
+  if (typeof window.history === 'undefined' || typeof window.location === 'undefined') return;
+  const fr = (window.location.hash || '').replace(/^#/, '').trim();
   if (fr !== '') return;
-  const u = new URL(location.href);
+  const u = new URL(window.location.href);
   u.hash = 'tab=junior';
-  history.replaceState(null, '', u);
+  window.history.replaceState(null, '', u);
 }
 
 /* ─── Date helper ────────────────────────────────────────────────────────── */
@@ -555,7 +553,9 @@ function buildSidebar(state) {
 
   sidebar.append(searchSection, filterSection, resetBtn);
 
-  return { sidebar, searchInput, dateInput, resetBtn };
+  return {
+    sidebar, searchInput, dateInput, resetBtn,
+  };
 }
 
 function buildTableSkeleton() {
@@ -741,7 +741,9 @@ export default async function decorate(block) {
   block.setAttribute('aria-label', 'Junior Tournament Rankings');
 
   const header = buildHeader(state);
-  const { sidebar, searchInput, dateInput, resetBtn } = buildSidebar(state);
+  const {
+    sidebar, searchInput, dateInput, resetBtn,
+  } = buildSidebar(state);
   const statusEl = buildStatusBar();
   const tableWrap = buildTableSkeleton();
   const tbody = tableWrap.querySelector('.pr-tbody');
@@ -783,6 +785,8 @@ export default async function decorate(block) {
         }
       }
 
+      // Mock / API payload uses _dateMismatch for “no rows for selected publish date”.
+      // eslint-disable-next-line no-underscore-dangle -- external payload shape
       const dateMismatch = Boolean(response._dateMismatch);
       const players = response.data || [];
       const total = response.pagination?.totalResults ?? players.length;
@@ -862,7 +866,7 @@ export default async function decorate(block) {
     const inHash = getPlayerRankingsStateFromHash();
     if (inHash.ignore) return;
     if (!inHash.filterState) {
-      if (!location.hash || location.hash === '' || location.hash === '#') {
+      if (!window.location.hash || window.location.hash === '' || window.location.hash === '#') {
         lastListKey = null;
       }
       return;
@@ -879,8 +883,8 @@ export default async function decorate(block) {
 
   resetBtn.addEventListener('click', () => {
     Object.assign(state, {
-      listType: 'doubles',   // ← changed: was 'combined'
-      gender: 'M',           // ← changed: was 'F'
+      listType: 'doubles', // ← changed: was 'combined'
+      gender: 'M', // ← changed: was 'F'
       ageGroup: 'Y12',
       section: '',
       searchName: '',
@@ -894,4 +898,4 @@ export default async function decorate(block) {
 
   // Initial load
   await load();
-}
\ No newline at end of file
+}
diff --git a/scripts/scripts.js b/scripts/scripts.js
index 125e7ef..b381bf9 100644
--- a/scripts/scripts.js
+++ b/scripts/scripts.js
@@ -17,6 +17,9 @@ import {
   toCamelCase,
 } from './aem.js';
 
+/** Base URL for NX experiment plugin (matches da.live paths used elsewhere in this file). */
+export const NX_ORIGIN = 'https://da.live/nx';
+
 /**
  * Builds hero block and prepends to main in a new section.
  * @param {Element} main The container element
@@ -77,6 +80,7 @@ function mergeAdjacentButtonContainers(parent) {
   let child = parent.firstElementChild;
   while (child) {
     const next = child.nextElementSibling;
+    let merged = false;
     if (
       next
       && child.classList.contains('button-container')
@@ -89,11 +93,14 @@ function mergeAdjacentButtonContainers(parent) {
       if (a1 && a2 && child.children.length === 1 && next.children.length === 1) {
         while (next.firstChild) child.append(next.firstChild);
         next.remove();
-        continue;
+        merged = true;
       }
     }
-    mergeAdjacentButtonContainers(child);
-    child = child.nextElementSibling;
+    if (!merged) {
+      mergeAdjacentButtonContainers(child);
+      child = child.nextElementSibling;
+    }
+    // After merge, keep same child so we can merge again with the new next sibling.
   }
 }