/* Sign-up modal (beta program and newsletter) and the beta program band.
   Reads the site tokens (tokens.css) and follows site.css: chamfered corner
   with a hairline along the cut, corner brackets, mono eyebrows. Bottom sheet
   below 640px, centered dialog above. */

.su { position: fixed; inset: 0; z-index: 1100; display: flex; align-items: flex-end; justify-content: center; }
.su[hidden] { display: none; }
.su__backdrop { position: absolute; inset: 0; background: rgba(11, 16, 23, 0.55); opacity: 0; transition: opacity 200ms var(--ease); }
.su.is-open .su__backdrop { opacity: 1; }
.su__panel {
  position: relative;
  width: 100%;
  max-height: 92vh;
  overflow: auto;
  padding: var(--s-5) var(--s-5) max(var(--s-6), env(safe-area-inset-bottom));
  background: var(--c-bg-1);
  color: var(--c-text-2);
  border: 1px solid var(--c-line);
  border-bottom: 0;
  border-radius: var(--r-l) var(--r-l) 0 0;
  box-shadow: 0 -12px 40px rgba(16, 24, 40, 0.25);
  transform: translateY(24px);
  opacity: 0;
  transition: transform 220ms var(--ease), opacity 200ms var(--ease);
  outline: 0;
}
.su__panel::before { content: ''; position: absolute; top: 0; left: 0; width: 48px; height: 3px; background: var(--c-navy); clip-path: polygon(0 0, calc(100% - 3px) 0, 100% 100%, 0 100%); }
.su__panel.m-frame::before { display: none; }
.su.is-open .su__panel { transform: none; opacity: 1; }
.su__grip { display: block; width: 40px; height: 4px; margin: 0 auto var(--s-4); border-radius: 2px; background: var(--c-line-strong); }
@media (min-width: 640px) {
  .su { align-items: center; padding: var(--s-5); }
  .su__panel {
    width: min(560px, 100%);
    max-height: 90vh;
    padding: var(--s-6);
    border-bottom: 1px solid var(--c-line);
    border-radius: var(--r-l);
    clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
    border-top-right-radius: 0;
    box-shadow: 0 30px 80px -20px rgba(16, 24, 40, 0.45);
  }
  .su__panel::after { content: ''; position: absolute; top: 0; right: 0; width: calc(var(--cut) * 1.4142); height: 1px; background: var(--c-line-strong); transform-origin: 100% 0; transform: rotate(-45deg); pointer-events: none; }
  .su__panel.m-frame::after { width: calc(var(--cut) * 1.4142); height: 1px; border: 0; bottom: auto; left: auto; }
  .su__grip { display: none; }
}
.su__close { position: absolute; top: var(--s-3); right: var(--s-5); width: 36px; height: 36px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--c-line); border-radius: var(--r-m); background: var(--c-bg-2); color: var(--c-muted); cursor: pointer; z-index: 1; }
.su__close svg { width: 14px; height: 14px; }
.su__close:hover, .su__close:focus-visible { color: var(--c-text); border-color: var(--c-line-strong); outline: 0; box-shadow: var(--ring); }
.su .m-eyebrow { margin-bottom: var(--s-3); }
.su__title { font-size: var(--fs-2xl); letter-spacing: -0.025em; line-height: var(--lh-tight); color: var(--c-text); margin: 0 0 var(--s-2); padding-right: var(--s-7); }
.su__body { margin: 0 0 var(--s-4); color: var(--c-muted); font-size: var(--fs-sm); line-height: 1.55; }
.su__choices { display: grid; gap: var(--s-2); margin: 0 0 var(--s-4); padding: 0; border: 0; min-width: 0; }
.su__choice {
  position: relative;
  display: flex;
  gap: var(--s-3);
  align-items: flex-start;
  margin: 0;
  padding: var(--s-3) var(--s-4);
  border: 1px solid var(--c-line-strong);
  border-radius: var(--r-m);
  background: var(--c-bg-2);
  cursor: pointer;
  clip-path: polygon(0 0, calc(100% - var(--cut-s)) 0, 100% var(--cut-s), 100% 100%, 0 100%);
  border-top-right-radius: 0;
  transition: border-color 120ms var(--ease), background-color 120ms var(--ease);
}
.su__choice::after { content: ''; position: absolute; top: 0; right: 0; width: calc(var(--cut-s) * 1.4142); height: 1px; background: var(--c-line-strong); transform-origin: 100% 0; transform: rotate(-45deg); pointer-events: none; }
.su__choice:hover { border-color: var(--c-accent-line); }
.su__choice:has(input:checked) { border-color: var(--c-navy); background: var(--c-accent-soft); }
.su__choice:has(input:focus-visible) { box-shadow: var(--ring); }
.su__choice input { flex: 0 0 auto; width: 16px; height: 16px; margin: 3px 0 0; accent-color: var(--c-navy); }
.su__choice b { display: block; color: var(--c-text); font-size: var(--fs-sm); font-weight: 600; }
.su__choice small { display: block; color: var(--c-muted); font-size: var(--fs-xs); margin-top: 2px; line-height: 1.45; }
.su__fields { display: grid; gap: var(--s-3); grid-template-columns: 1fr 1fr; }
.su__field { display: grid; gap: 4px; margin: 0; min-width: 0; }
.su__field--wide { grid-column: 1 / -1; }
.su__field span { font-size: var(--fs-xs); font-weight: 600; color: var(--c-text-2); }
.su__field span i { color: var(--c-heat); font-style: normal; margin-left: 2px; }
.su__field input { width: 100%; padding: 0.6rem 0.8rem; background: var(--c-bg-2); border: 1px solid var(--c-line-strong); border-radius: var(--r-m); color: var(--c-text); font: inherit; font-size: var(--fs-sm); }
.su__field input::placeholder { color: var(--c-faint); }
.su__field input:focus { outline: 0; border-color: var(--c-accent); box-shadow: var(--ring); }
.su__field input[aria-invalid='true'] { border-color: var(--c-danger); }
.su__hp { position: absolute; left: -10000px; top: auto; width: 1px; height: 1px; overflow: hidden; }
.su__consent { margin: var(--s-4) 0 0; font-size: var(--fs-xs); color: var(--c-muted); line-height: 1.5; }
.su__consent a { color: var(--c-accent); text-decoration: underline; text-underline-offset: 2px; }
.su__error { margin: var(--s-3) 0 0; padding: var(--s-2) var(--s-3); font-size: var(--fs-sm); color: var(--c-danger); border-left: 2px solid var(--c-danger); background: color-mix(in srgb, var(--c-danger) 6%, transparent); }
.su__actions { display: flex; flex-wrap: wrap; gap: var(--s-3); margin-top: var(--s-4); }
.su__done .su__title { padding-right: var(--s-7); }
body.su-open { overflow: hidden; }
@media (max-width: 639.98px) { .su__fields { grid-template-columns: 1fr; } .su__field--wide { grid-column: auto; } }
@media (prefers-reduced-motion: reduce) { .su__panel, .su__backdrop, .su__choice { transition: none; } }

/* Beta program band */
.m-beta-band { --bg-opacity: 0.35; }
.m-beta { display: grid; gap: var(--s-6); align-items: center; }
@media (min-width: 992px) { .m-beta { grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); gap: var(--s-8); } }
.m-beta .m-title { max-width: 20ch; }
.m-beta .m-lead { margin-bottom: 0; }
.m-beta__card {
  position: relative;
  padding: var(--s-5);
  background: var(--c-bg-1);
  border: 1px solid var(--c-line);
  border-radius: var(--r-l);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
  border-top-right-radius: 0;
  box-shadow: var(--shadow-1);
}
.m-beta__card.m-frame::before, .m-beta__card.m-frame::after { display: none; }
.m-beta__card .m-eyebrow { margin-bottom: var(--s-3); }
.m-beta__rows { border-radius: var(--r-m); }
.m-beta__rows .m-row { padding: var(--s-3) var(--s-3); }
.m-beta__note { margin: var(--s-3) 0 0; font-size: var(--fs-xs); color: var(--c-muted); line-height: 1.5; }
.m-beta__card::after { content: ''; position: absolute; top: 0; right: 0; width: calc(var(--cut) * 1.4142); height: 1px; background: var(--c-line-strong); transform-origin: 100% 0; transform: rotate(-45deg); pointer-events: none; display: block; border: 0; left: auto; bottom: auto; }