Build a landing page with this exact visual language.
COLORS:
  #000000
  #171717
  #d08728
  #ffffff
  #616161
  #e5e5e5
FONTS: [object Object], [object Object], [object Object], [object Object]
SPACING: 2, 32, 68
RADIUS: 4, 8
SHADOWS: rgb(97, 97, 97) 2px 2px 8px 0px
MATERIAL LANGUAGE: flat
VOICE: Tone: neutral · Headings: unknown
SECTIONS (in order):
- hero
- features
- cta
- footer
Use Tailwind. Match these tokens exactly. Keep the material language consistent.