/* The calendar. Months down the page, one line per tool per month: the day on
   the left, the name in the middle, the versions on the right. Nothing is
   boxed except the sign-up at the foot. */

/* The calendar is a page of rows: it keeps a tighter rhythm than a page with
   one idea per screen, or the first screen is a hole. */
.cal { --section-gap: clamp(3rem, 7vw, 6rem); }

.cal-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: clamp(3rem, 9vw, 6rem) clamp(2rem, 6vw, 4rem);
}
.cal-wash {
  position: absolute;
  inset: -30% -10% 0;
  z-index: -1;
  background-image: var(--dither-checker-25);
  background-size: calc(var(--dither-cell) * 3) calc(var(--dither-cell) * 3);
  opacity: 0.55;
  -webkit-mask-image: radial-gradient(65% 60% at 25% 25%, #000, transparent 100%);
  mask-image: radial-gradient(65% 60% at 25% 25%, #000, transparent 100%);
  will-change: transform;
}
.cal-hero-inner { position: relative; }
.cal-title { font-size: var(--display-1); letter-spacing: -0.03em; line-height: var(--leading-display); }
.cal-hero .st-lead { margin-top: var(--space-24); max-width: 52ch; }

.cal-h2 {
  font-size: var(--display-2);
  line-height: var(--leading-display);
  letter-spacing: -0.02em;
  margin-bottom: clamp(1.25rem, 3vw, 2rem);
}
.cal-note { color: var(--text-dim); max-width: 60ch; margin-bottom: clamp(1.5rem, 3vw, 2.5rem); }
.cal-band { border-block: var(--line-w) solid var(--border-2); }
.cal-section { position: relative; }

/* ---------- what is scheduled ---------- */

.cal-next { max-width: 44rem; border-top: var(--line-w) solid var(--border-2); }
.cal-next-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-20);
  padding-block: var(--space-16);
  border-bottom: var(--line-w) solid var(--border);
  font-family: var(--font-mono);
}
.cal-next-date { color: var(--text); font-size: var(--text-lg); letter-spacing: 0.02em; }
.cal-next-what { color: var(--text-faint); font-size: var(--text-2xs); letter-spacing: 0.16em; text-transform: uppercase; }

/* ---------- what happened ---------- */

.cal-month + .cal-month { margin-top: clamp(2.5rem, 6vw, 4.5rem); }
.cal-month-name {
  max-width: 62rem;
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  font-weight: var(--weight-medium);
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--accent-hi);
  padding-bottom: var(--space-8);
  border-bottom: 2px solid var(--accent);
}
.cal-rows { max-width: 62rem; }
.cal-row {
  display: grid;
  grid-template-columns: 2.5rem minmax(0, 1fr) auto;
  align-items: baseline;
  gap: var(--space-16);
  padding-block: var(--space-12);
  border-bottom: var(--line-w) solid var(--border);
}
.cal-day {
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  color: var(--text-faint);
  text-align: right;
  font-variant-numeric: tabular-nums;
}
.cal-what { display: flex; align-items: baseline; flex-wrap: wrap; gap: var(--space-10); min-width: 0; }
.cal-what a { color: var(--text); font-size: var(--text-xl); border-bottom: var(--line-w) solid transparent; }
.cal-what a:hover { border-color: var(--accent); }
.cal-part {
  font-family: var(--font-mono);
  font-size: var(--text-3xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-faint);
  border: var(--line-w) solid var(--border-2);
  padding: 0 var(--space-6);
}
.cal-first {
  font-family: var(--font-mono);
  font-size: var(--text-3xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-hi);
}
.cal-version {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-dim);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}
.cal-to { color: var(--text-faint); padding-inline: var(--space-2); }
.cal-row-milestone { align-items: start; }
.cal-row-milestone .cal-what { flex-direction: column; gap: var(--space-4); }
.cal-milestone-title { color: var(--accent-hi); font-size: var(--text-xl); font-family: var(--font-display); }
.cal-milestone-detail { color: var(--text-dim); font-size: var(--text-base); line-height: var(--leading-relaxed); }

.cal-signup { max-width: 46rem; }

/* ---------- mobile (390px) ---------- */

@media (max-width: 899px) {
  .cal-title { font-size: clamp(2rem, 11vw, 3rem); }
  .cal-row { grid-template-columns: 1.75rem minmax(0, 1fr); gap: var(--space-10); }
  .cal-version { grid-column: 2; white-space: normal; }
  .cal-what a { font-size: var(--text-lg); }
  .cal-next-row { flex-wrap: wrap; gap: var(--space-4); }
}