/* ===========================================================================
   utilities.css — replaces the Tailwind Play CDN.
   Implements ONLY the utility classes actually used in index.html.
   Breakpoints follow Tailwind defaults: sm 640px, md 768px, lg 1024px.
   =========================================================================== */

/* display */
.block { display: block; }
.flex { display: flex; }
.grid { display: grid; }

/* flex / grid alignment */
.flex-wrap { flex-wrap: wrap; }
.flex-col { flex-direction: column; }
.items-start { align-items: flex-start; }
.items-center { align-items: center; }
.items-end { align-items: flex-end; }
.items-baseline { align-items: baseline; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }

/* grid columns */
.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

/* gaps */
.gap-1\.5 { gap: 0.375rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-5 { gap: 1.25rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }
.gap-9 { gap: 2.25rem; }
.gap-10 { gap: 2.5rem; }
.gap-16 { gap: 4rem; }

/* margins */
.mx-auto { margin-left: auto; margin-right: auto; }
.mt-6 { margin-top: 1.5rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-5 { margin-bottom: 1.25rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-7 { margin-bottom: 1.75rem; }
.mb-12 { margin-bottom: 3rem; }
.mb-16 { margin-bottom: 4rem; }

/* padding */
.p-2 { padding: 0.5rem; }
.p-8 { padding: 2rem; }

/* sizing */
.w-6 { width: 1.5rem; }
.h-0\.5 { height: 0.125rem; }
.w-full { width: 100%; }
.w-fit { width: fit-content; }

/* max width */
.max-w-xl { max-width: 36rem; }
.max-w-2xl { max-width: 42rem; }
.max-w-7xl { max-width: 80rem; }

/* position */
.absolute { position: absolute; }
.top-6 { top: 1.5rem; }
.right-6 { right: 1.5rem; }

/* text */
.text-center { text-align: center; }
.text-3xl { font-size: 1.875rem; line-height: 2.25rem; }

/* misc */
.cursor-pointer { cursor: pointer; }
.transition-all {
  transition-property: all;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
  transition-duration: 0.15s;
}

/* ── sm (>= 640px) ── */
@media (min-width: 640px) {
  .sm\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* ── md (>= 768px) ── */
@media (min-width: 768px) {
  .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\:p-9 { padding: 2.25rem; }
  .md\:p-10 { padding: 2.5rem; }
}

/* ── lg (>= 1024px) ── */
@media (min-width: 1024px) {
  .lg\:grid-cols-12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }
  .lg\:col-span-7 { grid-column: span 7 / span 7; }
  .lg\:col-span-5 { grid-column: span 5 / span 5; }
  .lg\:gap-24 { gap: 6rem; }
}