/* ===========================================================
   tw.css — subconjunto estático de utilidades (reemplaza el
   CDN de Tailwind para que el HTML funcione sin internet)
   =========================================================== */

/* reset mínimo (preflight) */
h1, h2, h3, h4, h5, h6, p, blockquote, figure { margin: 0; }
button {
  font-family: inherit; font-size: 100%; line-height: inherit;
  color: inherit; background: transparent; border: 0; padding: 0; margin: 0;
}

/* display / layout */
.block { display: block; }
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.grid { display: grid; }
.flex-col { flex-direction: column; }
.flex-1 { flex: 1 1 0%; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-center { justify-content: center; }
.text-center { text-align: center; }
.overflow-hidden { overflow: hidden; }
.opacity-60 { opacity: 0.6; }

/* position */
.relative { position: relative; }
.absolute { position: absolute; }
.inset-0 { inset: 0; }
.left-0 { left: 0; }
.right-0 { right: 0; }
.bottom-7 { bottom: 1.75rem; }
.-z-10 { z-index: -10; }

/* sizing */
.min-h-\[100svh\] { min-height: 100svh; }
.w-full { width: 100%; }
.h-full { height: 100%; }
.aspect-square { aspect-ratio: 1 / 1; }
.aspect-\[4\/5\] { aspect-ratio: 4 / 5; }
.aspect-\[4\/3\] { aspect-ratio: 4 / 3; }
.max-w-xs { max-width: 20rem; }
.max-w-md { max-width: 28rem; }
.max-w-2xl { max-width: 42rem; }

/* order */
.order-1 { order: 1; }
.order-2 { order: 2; }

/* grid */
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.col-span-2 { grid-column: span 2 / span 2; }

/* margin */
.mx-auto { margin-left: auto; margin-right: auto; }
.my-8 { margin-top: 2rem; margin-bottom: 2rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-7 { margin-top: 1.75rem; }
.mt-8 { margin-top: 2rem; }
.mt-9 { margin-top: 2.25rem; }
.mt-10 { margin-top: 2.5rem; }
.mt-12 { margin-top: 3rem; }
.mt-14 { margin-top: 3.5rem; }

/* padding */
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
.px-7 { padding-left: 1.75rem; padding-right: 1.75rem; }
.px-8 { padding-left: 2rem; padding-right: 2rem; }
.py-10 { padding-top: 2.5rem; padding-bottom: 2.5rem; }
.py-14 { padding-top: 3.5rem; padding-bottom: 3.5rem; }
.py-24 { padding-top: 6rem; padding-bottom: 6rem; }

/* gap */
.gap-2\.5 { gap: 0.625rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-5 { gap: 1.25rem; }
.gap-9 { gap: 2.25rem; }
.gap-12 { gap: 3rem; }
.gap-16 { gap: 4rem; }
.gap-20 { gap: 5rem; }

/* ---------- sm: >= 640px ---------- */
@media (min-width: 640px) {
  .sm\:flex-row { flex-direction: row; }
  .sm\:max-w-none { max-width: none; }
  .sm\:w-auto { width: auto; }
  .sm\:gap-5 { gap: 1.25rem; }
}

/* ---------- md: >= 768px ---------- */
@media (min-width: 768px) {
  .md\:py-36 { padding-top: 9rem; padding-bottom: 9rem; }
  .md\:py-32 { padding-top: 8rem; padding-bottom: 8rem; }
  .md\:py-20 { padding-top: 5rem; padding-bottom: 5rem; }
  .md\:px-10 { padding-left: 2.5rem; padding-right: 2.5rem; }
  .md\:px-16 { padding-left: 4rem; padding-right: 4rem; }
  .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-rows-2 { grid-template-rows: repeat(2, minmax(0, 1fr)); }
  .md\:col-span-2 { grid-column: span 2 / span 2; }
  .md\:row-span-2 { grid-row: span 2 / span 2; }
  .md\:order-none { order: 0; }
  .md\:gap-4 { gap: 1rem; }
  .md\:gap-16 { gap: 4rem; }
  .md\:gap-20 { gap: 5rem; }
  .md\:aspect-auto { aspect-ratio: auto; }
}