Build a landing page with this exact visual language. COLORS: #ffffff #b3b3b3 #000000 #696969 #1ed760 #555555 #121212 #7c7c7c #1f1f1f #333333 #468254 #3860be #346e4a #292929 FONTS: [object Object], [object Object], [object Object] SPACING: 1, 15, 20, 23, 28, 35, 40, 48 RADIUS: 2, 6, 10, 16, 20, 32 SHADOWS: rgb(124, 124, 124) 0px 0px 0px 1px inset | rgb(18, 18, 18) 0px 1px 0px 0px, rgb(124, 124, 124) 0px 0px 0px 1px inset | rgb(128, 128, 128) 0px 0px 5px 0px MATERIAL LANGUAGE: material-you VOICE: Tone: neutral · Headings: Sentence case · CTA verbs: [object Object], [object Object], [object Object], [object Object], [object Object], [object Object] SECTIONS (in order): - cta - testimonials — heading: "Home" - testimonials — heading: "Home" - hero — heading: "Trending songs" - hero — heading: "Popular albums and singles" - feature-grid — heading: "Featured Charts" Use Tailwind. Match these tokens exactly. Keep the material language consistent.