feat(brand): AirCard-IOS – neues Logo und Name

- Name AirCard-IOS in Kopfzeile, Titel, Meta-Angaben (theme-color,
  apple-mobile-web-app-title) und README
- Website-Icon: neues Logo als favicon.svg, favicon-32.png und deckendes
  apple-touch-icon.png (180 x 180, ohne Rundung)
- Kopfzeile zeigt das Logo (28 px, auf schmalen Schirmen 24 px) vor dem Namen
- Karten-Marken neu aus dem Logo abgeleitet (einfarbig, currentColor):
  Symbol mit drei gestaffelten Karten und ausgeschnittenen Wellen,
  Text als Pfade (Nunito Sans 800); IDs unverändert
- Tests: Labels, Marken-Aufbau, Favicon, Icon-Dateien, index.html

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

web/src/assets/marks/aircards-symbol.svg

@@ -1 +1 @@
-<svg viewBox="4.84 -28.43 167.63 121.42" xmlns="http://www.w3.org/2000/svg"><path fill="currentColor" fill-rule="evenodd" d="m25.432-5.406 105.64-22.454a26 26 0 0 1 30.837 20.026l9.98 46.951a26 26 0 0 1-20.026 30.838L46.223 92.409a26 26 0 0 1-30.838-20.026l-9.98-46.951A26 26 0 0 1 25.433-5.406m9.318 24.6 39.126-8.316a6 6 0 0 1 2.495 11.738l-39.126 8.316a6 6 0 0 1-2.495-11.738m4.99 23.476 19.563-4.158a6 6 0 0 1 2.495 11.738l-19.563 4.158A6 6 0 0 1 39.74 42.67"/></svg>
+<svg viewBox="172 360 680 730" xmlns="http://www.w3.org/2000/svg"><defs><mask id="aircards-symbol-waves" width="680" height="430" x="172" y="660" maskUnits="userSpaceOnUse"><path fill="#fff" d="M172 660h680v430H172z"/><g fill="none" stroke="#000" stroke-linecap="round" stroke-width="32"><path d="M591.1 843.9a44 44 0 0 1 0 62.2m34-96.2a92 92 0 0 1 0 130.2"/><path d="M659 776a140 140 0 0 1 0 198"/></g></mask></defs><g fill="currentColor"><path fill-opacity=".45" d="M252 360h520a80 80 0 0 1 80 80v150a80 80 0 0 0-80-80H252a80 80 0 0 0-80 80V440a80 80 0 0 1 80-80"/><path fill-opacity=".7" d="M252 510h520a80 80 0 0 1 80 80v150a80 80 0 0 0-80-80H252a80 80 0 0 0-80 80V590a80 80 0 0 1 80-80"/><rect width="680" height="430" x="172" y="660" mask="url(#aircards-symbol-waves)" rx="80"/></g></svg>

web/src/assets/marks/aircards-text.svg

@@ -1 +1 @@
-<svg viewBox="-2 -145.4 828.21 147.61" xmlns="http://www.w3.org/2000/svg"><path fill="currentColor" d="M29.4 0H-2l64.8-141h25L152.6 0h-31.2l-13.2-30.6H42.4zm46-108H75L52.6-54.8H98zm118.2-9.2H161v-28.2h32.6zM192.4 0h-30.2v-98.2h30.2zm54.2 0h-30.8v-98.2h29.6V-81q2.8-7.2 8.6-11.8 8-6.4 21.4-7.4l8.8-.6 1.8 25.4-17 1.8q-11.4 1-16.9 6.6t-5.5 16.2zm122.6 2.2q-22.8 0-39-9t-24.9-25.3-8.7-38.5 8.7-38.4 24.9-25.2 39-9q14 0 26.8 4.4t21 12l-9.6 24.6q-9-7-18.1-10.3t-19.1-3.3q-20 0-30.4 11.7t-10.4 33.5T339.8-37t30.4 11.8q10 0 19.1-3.3t18.1-10.3l9.6 24.6q-8.2 7.6-21 12t-26.8 4.4m95 0q-10.8 0-19.4-4.2t-13.4-11.4-4.8-16.2q0-10.8 5.6-17.1t18.2-9 33.4-2.7h7.2v-3.4q0-8.8-4-12.5T473.4-78q-8 0-16.9 2.5T438.8-68l-8.2-20.2q5.2-3.6 12.7-6.3t15.7-4.2 15.6-1.5q15.4 0 25.3 4.5t14.9 13.8 5 23.9V0h-28.2v-14.6q-1.4 3.6-3.6 6.4-4 5-10 7.7t-13.8 2.7m26.8-41v-4h-7q-7.8 0-13.1.6t-8.7 2.1-4.9 3.7-1.5 5.6q0 5.6 3.9 9.2T471-18q5.8 0 10.3-2.7t7.1-7.4 2.6-10.7M573.2 0h-30.8v-98.2H572V-81q2.8-7.2 8.6-11.8 8-6.4 21.4-7.4l8.8-.6 1.8 25.4-17 1.8q-11.4 1-16.9 6.6t-5.5 16.2zm88 2.2q-12.8 0-22.5-6.2t-15.1-17.8-5.4-27.4 5.4-27.2T638.7-94t22.5-6.2q11.6 0 20.6 5.6 6.4 4 9.8 9.8V-141h30.2V0h-29.6v-14.8q-3.2 6.6-10 11-9.2 6-21 6m9-22.6q9.8 0 15.8-7.1t6-21.7-6-21.5-15.8-6.9q-9.6 0-15.6 6.9t-6 21.5 6 21.7 15.6 7.1M782.6 2.2Q774 2.2 766 .8T751.4-3t-11.6-6l7.2-19.6q5 3 10.9 5.3t12.3 3.5 12.6 1.2q8.6 0 12.5-2.7t3.9-7.1q0-4-2.6-6t-7.6-2.8L768-41q-12.4-2.2-19.1-9.1t-6.7-17.7q0-10 5.6-17.3t15.5-11.2 22.5-3.9q7.2 0 14 1.2t12.9 3.6 10.9 6.4L816-69.6q-3.8-3-9-5.2t-10.6-3.5-10.2-1.3q-9 0-13 2.9t-4 7.3q0 3.4 2.3 5.7t7.1 3.1l21 3.8q13 2.2 19.8 8.7t6.8 17.7q0 10.2-5.4 17.5T805.6-1.7t-23 3.9"/></svg>
+<svg viewBox="-2 -145.4 1164.01 147.61" xmlns="http://www.w3.org/2000/svg"><path fill="currentColor" d="M29.4 0H-2l64.8-141h25L152.6 0h-31.2l-13.2-30.6H42.4zm46-108H75L52.6-54.8H98zm118.2-9.2H161v-28.2h32.6zM192.4 0h-30.2v-98.2h30.2zm54.2 0h-30.8v-98.2h29.6V-81q2.8-7.2 8.6-11.8 8-6.4 21.4-7.4l8.8-.6 1.8 25.4-17 1.8q-11.4 1-16.9 6.6t-5.5 16.2zm122.6 2.2q-22.8 0-39-9t-24.9-25.3-8.7-38.5 8.7-38.4 24.9-25.2 39-9q14 0 26.8 4.4t21 12l-9.6 24.6q-9-7-18.1-10.3t-19.1-3.3q-20 0-30.4 11.7t-10.4 33.5T339.8-37t30.4 11.8q10 0 19.1-3.3t18.1-10.3l9.6 24.6q-8.2 7.6-21 12t-26.8 4.4m95 0q-10.8 0-19.4-4.2t-13.4-11.4-4.8-16.2q0-10.8 5.6-17.1t18.2-9 33.4-2.7h7.2v-3.4q0-8.8-4-12.5T473.4-78q-8 0-16.9 2.5T438.8-68l-8.2-20.2q5.2-3.6 12.7-6.3t15.7-4.2 15.6-1.5q15.4 0 25.3 4.5t14.9 13.8 5 23.9V0h-28.2v-14.6q-1.4 3.6-3.6 6.4-4 5-10 7.7t-13.8 2.7m26.8-41v-4h-7q-7.8 0-13.1.6t-8.7 2.1-4.9 3.7-1.5 5.6q0 5.6 3.9 9.2T471-18q5.8 0 10.3-2.7t7.1-7.4 2.6-10.7M573.2 0h-30.8v-98.2H572V-81q2.8-7.2 8.6-11.8 8-6.4 21.4-7.4l8.8-.6 1.8 25.4-17 1.8q-11.4 1-16.9 6.6t-5.5 16.2zm88 2.2q-12.8 0-22.5-6.2t-15.1-17.8-5.4-27.4 5.4-27.2T638.7-94t22.5-6.2q11.6 0 20.6 5.6 6.4 4 9.8 9.8V-141h30.2V0h-29.6v-14.8q-3.2 6.6-10 11-9.2 6-21 6m9-22.6q9.8 0 15.8-7.1t6-21.7-6-21.5-15.8-6.9q-9.6 0-15.6 6.9t-6 21.5 6 21.7 15.6 7.1m138-21.4h-61.8v-23.8h61.8zM866.6 0h-31v-141h31zm93.6 2.2q-15.6 0-28.5-5.2t-22.1-14.8-14.1-23-4.9-29.8q0-16.6 4.9-29.9t14.1-22.8 22.1-14.7 28.5-5.2q15.8 0 28.6 5.2t22 14.6 14.2 22.8 5 29.8q0 16.6-5 30t-14.2 23-22 14.8-28.6 5.2m0-26.4q12 0 20.2-5.5t12.7-16 4.5-24.9q0-14.6-4.4-25t-12.8-15.8-20.2-5.4q-11.6 0-20 5.4t-12.8 15.8-4.4 25q0 14.4 4.4 24.9t12.8 16 20 5.5m144.2 26.4q-11 0-21.3-1.9T1064-5.1t-15.4-8.3l9-24.4q6.4 4.4 13.8 7.6t15.8 4.9 17.2 1.7q14.6 0 20.8-4.5t6.2-11.3q0-3.8-1.9-6.6t-6.2-4.9-11.7-3.5l-22.6-4.8q-19.2-4-28.5-13.7t-9.3-25.5q0-13.6 7.3-23.6t20.2-15.6 29.7-5.6q9.8 0 18.8 1.9t16.6 5.5 13.2 8.6l-9 22.8q-8-6.4-18-9.7t-21.8-3.3q-8.4 0-14.3 2.2t-9 6.2-3.1 9.2q0 5.8 4.2 9.4t14.6 5.8l22.6 4.8q19.6 4.2 29.2 13.5t9.6 24.5q0 13.2-7.1 23.1t-20 15.4-30.5 5.5"/></svg>