/* ============================================================
   _updates.css: the /updates hub as an image-led bento grid.
   Bento: one large tile in "This week", a zig-zag of wide tiles in
   "Earlier notes", one column on phones, a real list with one link
   per tile. Motion follows Emil Kowalski's rules: strong ease-out,
   transform and opacity only, hover gated to real hover devices,
   press feedback on :active, stagger under 80ms, and everything
   calm under prefers-reduced-motion. All content is in the HTML.
   ============================================================ */

:root {
  --upd-ease: cubic-bezier(.23, 1, .32, 1);
  --ease-out: var(--upd-ease);
  --upd-scrim: 10 14 18;
}

/* ---------- jump links (44px targets) ---------- */
.upd__jump { max-width: none; display: flex; flex-wrap: wrap; gap: 10px; margin: 0 0 8px; padding: 0; list-style: none; }
.upd__jump a {
  display: inline-flex; align-items: center; min-height: 44px; padding: 0 16px;
  font-family: var(--mono); font-size: 12px; letter-spacing: .08em; text-transform: uppercase;
  color: var(--ink); text-decoration: none; border: 1.5px solid var(--rule-hard); background: #fff;
  transition: transform 160ms var(--upd-ease), border-color 160ms var(--upd-ease);
}
.upd__jump a:active { transform: scale(.97); }
.upd__jump a:focus-visible { outline: var(--focus); outline-offset: 2px; }

/* ---------- section heads ---------- */
.upd__head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; margin: 40px 0 16px; }
.upd__head h2 { font-family: var(--display); font-weight: 700; font-size: var(--step-2); letter-spacing: -.015em; margin: 0; color: var(--ink); }
.upd__head p { font-family: var(--mono); font-size: 12px; letter-spacing: .06em; color: var(--ink-soft); margin: 0; }

/* ---------- bento grid ---------- */
.bento-grid {
  max-width: none; display: grid; gap: 14px; margin: 0; padding: 0; list-style: none;
  grid-template-columns: 1fr; grid-auto-flow: dense;
}
@media (min-width: 720px) {
  .bento-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
  .bento-grid--latest > .upd__card:first-child { grid-column: span 2; grid-row: span 2; }
  .bento-grid--earlier > .upd__card:nth-child(4n + 1),
  .bento-grid--earlier > .upd__card:nth-child(4n + 4) { grid-column: span 2; }
}

/* ---------- tile ---------- */
.upd__card {
  position: relative; isolation: isolate; overflow: hidden; border-radius: 4px;
  background: var(--basemap); border: 1.5px solid var(--rule-invert);
  transition: transform 260ms var(--upd-ease), box-shadow 260ms var(--upd-ease);
  animation: upd-in 280ms var(--upd-ease) backwards;
  animation-delay: calc(var(--i, 0) * 50ms);
}
.upd__thumb {
  position: absolute; inset: 0; z-index: -2;
  background-color: var(--basemap); background-size: cover; background-position: 50% 40%;
  transition: transform 260ms var(--upd-ease);
}
.upd__scrim {
  position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(to top, rgb(var(--upd-scrim) / .94), rgb(var(--upd-scrim) / .72) 52%, rgb(var(--upd-scrim) / .38));
}
.upd__link {
  display: flex; flex-direction: column; justify-content: flex-end; height: 100%;
  min-height: 17rem; padding: 22px 22px 20px; color: #fff; text-decoration: none;
}
.bento-grid--latest > .upd__card:first-child .upd__link { min-height: 22rem; padding: 28px; }
@media (min-width: 720px) {
  .bento-grid--latest > .upd__card:first-child .upd__link { min-height: 34rem; }
  .bento-grid--earlier > .upd__card:nth-child(4n + 1) .upd__link,
  .bento-grid--earlier > .upd__card:nth-child(4n + 4) .upd__link { min-height: 19rem; }
}
.upd__tag {
  font-family: var(--mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase;
  font-weight: 600; color: rgb(255 255 255 / .86); margin: 0 0 10px;
}
.upd__title {
  font-family: var(--display); font-weight: 700; font-size: var(--step-1); line-height: 1.12;
  letter-spacing: -.015em; margin: 0 0 10px; color: #fff; text-wrap: balance;
}
.bento-grid--latest > .upd__card:first-child .upd__title { font-size: var(--step-3); line-height: 1.04; max-width: 20ch; }
.upd__blurb { font-size: 14.5px; line-height: 1.55; color: rgb(255 255 255 / .86); margin: 0; max-width: 56ch; text-wrap: pretty; }
.upd__go {
  display: inline-flex; align-items: center; gap: 8px; margin-top: 16px;
  font-family: var(--mono); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; font-weight: 600; color: #fff;
}
.upd__go svg { width: 16px; height: 16px; transition: transform 180ms var(--upd-ease); }
.upd__link:focus-visible { outline: 3px solid var(--beacon-hi); outline-offset: -6px; }
.upd__card:active { transition-duration: 100ms; transform: scale(.98); }

@keyframes upd-in {
  from { opacity: 0; transform: translateY(8px); }
}

@media (hover: hover) and (pointer: fine) {
  .upd__card:hover { border-color: var(--beacon-hi); }
  .upd__jump a:hover { border-color: var(--beacon); }
}

@media (hover: hover) and (pointer: fine) and (prefers-reduced-motion: no-preference) {
  .upd__card:hover { transform: translateY(-3px); box-shadow: 0 10px 24px -8px rgb(0 0 0 / .22), 0 28px 56px -22px rgb(0 0 0 / .28); }
  .upd__card:hover .upd__thumb { transform: scale(1.04); }
  .upd__card:hover .upd__go svg { transform: translateX(4px); }
}

/* ---------- how each note is built ---------- */
.upd__how { max-width: none; display: grid; gap: 14px; grid-template-columns: 1fr; margin: 0; padding: 0; list-style: none; }
@media (min-width: 720px) { .upd__how { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.upd__how li {
  background: var(--basemap); color: var(--ink-invert); border: 1.5px solid var(--rule-invert); border-radius: 4px; padding: 24px 22px;
  animation: upd-in 280ms var(--upd-ease) backwards; animation-delay: calc(var(--i, 0) * 50ms);
}
.upd__how .k { font-family: var(--mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--beacon-hi); margin: 0 0 10px; }
.upd__how .n { font-family: var(--display); font-weight: 700; font-size: var(--step-3); line-height: 1; letter-spacing: -.02em; margin: 0 0 10px; color: var(--ink-invert); font-variant-numeric: lining-nums; }
.upd__how p:last-child { font-size: 14.5px; line-height: 1.55; color: var(--ink-invert-soft); margin: 0; }

@media (prefers-reduced-motion: reduce) {
  .upd__card, .upd__how li { animation: none; transition: opacity 160ms linear; }
  .upd__thumb, .upd__go svg { transition: none; }
  .upd__card:active { transform: none; }
}