feat: WM 2026 trophy SVG without text in header

Extracted trophy graphic from unofficial logo SVG, removed
"FIFA WORLD CUP", "2026", and country names text.
Works in both dark and light mode (colored on transparent).

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

frontend/public/assets/wm2026-trophy.svg

@@ -0,0 +1,2 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ns0:svg xmlns:ns0="http://www.w3.org/2000/svg" viewBox="140 -10 340 470"><ns0:path fill="#e30613" d="M216.85 142.13a102.3 102.3 0 0 1-3.35-83.69c4.14-8.29 19.84-37.17 54.49-51.13a103.1 103.1 0 0 1 49.2-6.72 38.93 38.93 0 0 1 25.18 69.48c-13.68 14.17-26.69 20.66-35.74 24-14.71 5.35-34.28 6.84-53.75 8.58-15.55 1.4-21.43 1.21-27.12 6.1-9.72 8.32-9.81 23.73-8.91 33.38" data-source="https://football-logos.cc" /><ns0:path fill="#fff" d="m292.8 80.84 12.21-5.29-6.14-18.71h19.47a18.85 18.85 0 0 1 1.3-12.22 19.2 19.2 0 0 1 11.4-9.77l-4.07-4.08q.6-5.49 1.22-11l-12.63 6.92-3.66-5.7-16.29 11q-2.65-10.57-5.3-21.17l-6.51 9.31-11-4.48v11l-15.88-2.44a35.5 35.5 0 0 1 10.18 10.18 35 35 0 0 1 4.07 8.55l-15.47-.41c-.14 2.58-.27 5.16-.41 7.74l-14 5.28 5.81 4.9-1.62 5.3a28 28 0 0 1 13.84.81 27.4 27.4 0 0 1 7.33 3.67l2.45 7.73a40.3 40.3 0 0 1 10.58-11.4 39.8 39.8 0 0 1 10.12-5.29z" /><ns0:path fill="#077947" d="M357.17 16.06a107.5 107.5 0 0 1 29.25 31.26A52.9 52.9 0 0 1 395.8 69c2.12 6.82 9.22 32.46-3.14 60.67a87 87 0 0 1-33.1 38.3c-1.28.44-11.62 3.86-21.59-2.45-9.7-6.13-11.22-16.51-11.4-17.92a83.75 83.75 0 0 1 .41-34.21c8.27-36.26 38.79-49.92 36.65-78.19a43 43 0 0 0-6.46-19.14" /><ns0:ellipse cx="362.26" cy="216.51" fill="#fff" rx="34.92" ry="21.31" transform="rotate(-69.12 295.198 173.757)" /><ns0:ellipse cx="360.61" cy="217.01" fill="#e30613" rx="29.44" ry="15.86" transform="rotate(-73.7 299.202 174.037)" /><ns0:ellipse cx="360.72" cy="221.24" fill="#fff" rx="18.94" ry="9.27" transform="rotate(-73.79 299.064 178.285)" /><ns0:path fill="#0a3047" d="M364.43 172.84a125.45 125.45 0 0 1-61.42 20.38c-10.45-.21-33.27-2-53.36-15.73-5.26-3.59-12.73-8.9-18.59-18.69a61.2 61.2 0 0 1-7.32-20.42 63.3 63.3 0 0 1-.73-15.93 24.2 24.2 0 0 1 6.11-9.47c13.89-12.94 42.77-5.46 60 5.7a88.8 88.8 0 0 1 21.18 20c7.4 10 7.52 15 16.29 24 5.09 5.24 10.72 10.88 19.67 12.56a31.14 31.14 0 0 0 18.17-2.4" /><ns0:path fill="#fff" d="M258.95 128.06c1.5-2.12 3.12-4.3 4.89-6.52q2.06-2.58 4.07-4.89l4.89 19.55 20.95 11-15.65 6.92a36.18 36.18 0 0 0 6.1 24 32.8 32.8 0 0 1-15.47-7.74 32.4 32.4 0 0 1-7.74-10.54l-17.51 1.22 5.7-13.64-10.18-23z" /><ns0:path fill="#132e49" d="M256.1 196.84a250.71 250.71 0 0 1 6.11 211.36 145.5 145.5 0 0 0 107.11 0 511 511 0 0 0-48.46-120.54 510.3 510.3 0 0 0-64.76-90.82" /><ns0:path fill="#0d7247" d="m256.1 420.46-10.58 26.07a173.78 173.78 0 0 0 135.2-2l-7.33-24a188.18 188.18 0 0 1-117.29 0z" data-source="https://football-logos.cc" /><ns0:path fill="#e30613" d="m314.04 243.71 32.68 62.31a215 215 0 0 1 12.34-112.79 101.23 101.23 0 0 0-45 50.48z" /></ns0:svg>

frontend/src/App.tsx

@@ -78,7 +78,7 @@ export default function App() {
         <div className={styles.headerInner}>
           <div className={styles.logo}>
             <img
-              src="/assets/wm2026-logo.png"
+              src="/assets/wm2026-trophy.svg"
               alt="FIFA WM 2026"
               className={styles.logoImg}
             />