Build a Coming Soon Page

Create a coming soon landing page for "Nexus App" with:
- Large logo placeholder at top
- Headline: "Something Amazing is Coming"
- Subheadline with launch date hint
- Countdown timer showing days, hours, minutes, seconds
- Email signup form: "Be the first to know"
- Social media icons
- Dark gradient background with subtle animation

Style the countdown timer with:
- Large numbers in bold font
- Labels below: Days, Hours, Minutes, Seconds
- Subtle glow effect
- Responsive sizing for mobile

Design the email signup with:
- Input field with placeholder "Enter your email"
- Submit button: "Notify Me"
- Privacy note below
- Success message on submit

Add a section showing:
- "Join 1,000+ people waiting"
- Social media follow buttons
- Share buttons to spread the word

Add a features preview section with:
- 3 icon cards showing key features
- Brief descriptions
- "Learn more at launch" text