/* AlphaBet landing page — layout utilities (self-contained, no CDN) */
.relative{position:relative;} .absolute{position:absolute;}
.sticky{position:sticky;} .top-0{top:0;} .z-50{z-index:50;}
.overflow-hidden{overflow:hidden;}
.inline-flex{display:inline-flex;} .block{display:block;}
.border-b{border-bottom:1px solid var(--border);}
.border-y{border-top:1px solid var(--border);border-bottom:1px solid var(--border);}

.mx-auto{margin-left:auto;margin-right:auto;}
.max-w-3xl{max-width:48rem;} .max-w-4xl{max-width:56rem;} .max-w-6xl{max-width:72rem;}

.gap-5{gap:1.25rem;} .gap-6{gap:1.5rem;} .gap-7{gap:1.75rem;} .gap-12{gap:3rem;}
.grid-cols-4{grid-template-columns:repeat(4,minmax(0,1fr));}

.px-4{padding-left:1rem;padding-right:1rem;} .px-6{padding-left:1.5rem;padding-right:1.5rem;} .px-8{padding-left:2rem;padding-right:2rem;}
.py-8{padding-top:2rem;padding-bottom:2rem;} .py-20{padding-top:5rem;padding-bottom:5rem;}
.py-3\.5{padding-top:.875rem;padding-bottom:.875rem;}
.pt-14{padding-top:3.5rem;} .pt-20{padding-top:5rem;} .pb-10{padding-bottom:2.5rem;} .pb-24{padding-bottom:6rem;}

.mb-10{margin-bottom:2.5rem;} .mb-14{margin-bottom:3.5rem;}
.mt-6{margin-top:1.5rem;} .mt-8{margin-top:2rem;} .mt-12{margin-top:3rem;}
.mr-2{margin-right:.5rem;}

.h-11{height:2.75rem;} .w-11{width:2.75rem;} .h-16{height:4rem;}

.text-base{font-size:1rem;line-height:1.5rem;}
.text-4xl{font-size:2.25rem;line-height:2.5rem;}
.font-extrabold{font-weight:800;}
.leading-tight{line-height:1.2;}

.-top-3{top:-.75rem;} .left-1\/2{left:50%;} .-translate-x-1\/2{transform:translateX(-50%);}

/* responsive (Tailwind md = 768px) */
@media (min-width:768px){
  .md\:flex{display:flex;}
  .md\:flex-row{flex-direction:row;}
  .md\:grid-cols-2{grid-template-columns:repeat(2,minmax(0,1fr));}
  .md\:grid-cols-3{grid-template-columns:repeat(3,minmax(0,1fr));}
  .md\:grid-cols-4{grid-template-columns:repeat(4,minmax(0,1fr));}
  .md\:px-10{padding-left:2.5rem;padding-right:2.5rem;}
  .md\:text-4xl{font-size:2.25rem;line-height:2.5rem;}
  .md\:text-5xl{font-size:3rem;line-height:1.05;}
}

.glow{position:absolute;border-radius:50%;filter:blur(90px);opacity:.18;z-index:0;}