Lemenzo Clock v2.2 — premium mockup implementation

Header:
- Logo + “Lemenzo Clock” inside the app. Launcher remains “Clock”.
- Settings icon on right.
- Privacy metadata below.

Navigation:
- Bottom navigation with icons + labels.
- Alarm, Timer, Stopwatch, World clock, Bedtime remain inside one Activity.
- 110ms fade-out + 150ms fade-in between destinations.
- No Activity transition / app-to-app feeling between main destinations.

Visual system:
- Black #03060B background.
- Deep navy surfaces #070D16 / #0A1422 / #0D1A2B.
- Blue borders #173052 / strong Lemenzo blue #2F81F7.
- White primary text.
- Blue-silver #88A2C8 secondary text only.
- No large gray surfaces.

Pages:
- Alarm home uses premium alarm cards and illustrated empty state.
- Timer uses 25:00 focus hero, 25/30/45/60 quick presets, Start and custom timer.
- Stopwatch uses large circular blue-outline time hero.
- World clock uses blue-outline city cards.
- Bedtime uses premium cards for schedule, sounds and events.
- Alarm Editor and Settings use top back arrow + title.
- Ringing/Wake screens use same black/navy/blue visual system.
- All Activities use statusBars + displayCutout + navigationBars WindowInsets.