Build Dangerous Wonder website — 8-page utopian-scholastic site with DK book aesthetic

- Static HTML/CSS/JS site with late-90s/early-2000s hidden-gem feel
- White background, serif fonts (Georgia), drop-shadow images, colored section bars
- 8 pages: Home, Natural World, Inventions, Phenomena, Maps & Places, Human Body, Space, About
- Fun 90s touches: fake visitor counter, 'Best viewed at 1024x768', Konami code easter egg
- All content fact-checked and corrected across all pages
- Key corrections: Pando age, patent numbers, neutron star density, synesthesia history,
  DRC/Greenland size comparison, Derinkuyu depth, rogue planet designation, and many more

js/main.js

@@ -0,0 +1,94 @@
+/* ============================================
+   DANGEROUS WONDER
+   A Field Guide to Everything Worth Knowing
+   Main JavaScript
+   ============================================ */
+
+(function () {
+  document.addEventListener('DOMContentLoaded', function () {
+
+    /* --- Visitor Counter --- */
+    var counterEl = document.getElementById('visitor-count');
+    if (counterEl) {
+      var stored = localStorage.getItem('dw_visits');
+      var count;
+      if (!stored) {
+        var base = 247893;
+        var offset = Math.floor(Math.random() * 200);
+        count = base + offset;
+      } else {
+        count = parseInt(stored, 10) + 1;
+      }
+      localStorage.setItem('dw_visits', count.toString());
+      counterEl.textContent = 'You are visitor #' + count.toLocaleString();
+    }
+
+    /* --- "Last Updated" datestamp --- */
+    var updatedEl = document.getElementById('last-updated');
+    if (updatedEl) {
+      var months = ['January','February','March','April','May','June','July','August','September','October','November','December'];
+      var d = new Date();
+      updatedEl.textContent = months[d.getMonth()] + ' ' + d.getDate() + ', ' + d.getFullYear();
+    }
+
+    /* --- Easter Egg: Konami Code --- */
+    var konamiCode = ['ArrowUp','ArrowUp','ArrowDown','ArrowDown','ArrowLeft','ArrowRight','ArrowLeft','ArrowRight','b','a'];
+    var konamiPos = 0;
+
+    document.addEventListener('keydown', function (e) {
+      if (e.key === konamiCode[konamiPos]) {
+        konamiPos++;
+        if (konamiPos === konamiCode.length) {
+          konamiPos = 0;
+          activateEasterEgg();
+        }
+      } else {
+        konamiPos = 0;
+      }
+    });
+
+    function activateEasterEgg() {
+      var body = document.body;
+      body.style.transition = 'filter 0.5s';
+      body.style.filter = 'sepia(0.6) saturate(1.4) brightness(1.05)';
+      var msg = document.createElement('div');
+      msg.style.cssText = 'position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background:#1a3a5c;color:#fffff5;padding:30px 40px;font-family:Georgia,serif;font-size:1.2rem;z-index:9999;box-shadow:4px 5px 14px rgba(0,0,0,0.4);text-align:center;line-height:1.6;';
+      msg.innerHTML = '<strong style="color:#b8860b;font-variant:small-caps;letter-spacing:0.1em;">Secret Found!</strong><br><br>You have discovered a hidden corner of<br>Dangerous Wonder. The world is full of<br>things you were never meant to see.<br><br><span style="font-size:0.85rem;color:#a09878;">(Click anywhere to dismiss)</span>';
+      document.body.appendChild(msg);
+      msg.addEventListener('click', function () {
+        msg.remove();
+        body.style.filter = '';
+      });
+    }
+
+    /* --- Easter Egg: Triple-click title --- */
+    var title = document.querySelector('.site-title a');
+    if (title) {
+      title.addEventListener('dblclick', function (e) {
+        e.preventDefault();
+        var secret = document.querySelectorAll('.easter-egg');
+        for (var i = 0; i < secret.length; i++) {
+          secret[i].style.color = '#b8860b';
+          secret[i].style.fontSize = '0.85rem';
+          secret[i].style.lineHeight = '1.4';
+          secret[i].style.display = 'inline';
+        }
+      });
+    }
+
+    /* --- Gentle random "tip" in console --- */
+    var tips = [
+      'The oldest known star is older than the universe. Think about that.',
+      'Octopuses have three hearts. Two for the gills, one for the rest.',
+      'The Voyager Golden Record is currently 15 billion miles from Earth.',
+      'A group of flamingos is called a "flamboyance."',
+      'Honey never spoils. Archaeologists have found 3,000-year-old honey in Egyptian tombs that was still edible.',
+      'There are more possible iterations of a game of chess than there are atoms in the observable universe.',
+      'The shortest war in history lasted 38 to 45 minutes.',
+      'A day on Venus is longer than a year on Venus.'
+    ];
+    var tip = tips[Math.floor(Math.random() * tips.length)];
+    console.log('%c🦉 Dangerous Wonder says: ' + tip, 'font-family:Georgia,serif;font-size:14px;color:#1a3a5c;');
+
+  });
+})();