.updates-page {
  display: grid;
  grid-template-rows: auto 1fr auto;
  min-height: 100svh;
}

.updates-main {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: clamp(3rem, 6vw, 6rem);
  align-items: start;
  align-content: center;
  padding-block: 0.75rem;
}

.updates-intro { position: sticky; top: 2rem; }
.updates-intro h1 {
  max-width: 9ch;
  margin-top: 1rem;
  color: var(--ai-carbon);
  font-family: var(--font-ai-display);
  font-size: clamp(3rem, 5.5vw, 5.25rem);
  font-weight: 600;
  line-height: 0.96;
  letter-spacing: -0.055em;
}
.updates-intro .aia-deck { margin-top: 1.25rem; }
.updates-note { max-width: 50ch; margin-top: 1.2rem; color: var(--ai-carbon-muted); font-size: 0.82rem; line-height: 1.55; }
.updates-club-link { display: inline-flex; margin-top: 1.1rem; font-family: var(--font-ai-mono); font-size: 0.72rem; text-transform: uppercase; }
.updates-form { max-width: 680px; padding-top: 0.2rem; }
.updates-form h2 { margin-top: 0.8rem; color: var(--ai-carbon); font-family: var(--font-ai-display); font-size: clamp(2rem, 3vw, 3rem); line-height: 1; letter-spacing: -0.04em; }
.updates-form form { margin-top: 0; }
.updates-form .field { margin-block: 0.95rem; }
.updates-form .field label { display: block; margin-bottom: 0.35rem; }
.updates-form .field label span { color: var(--ai-carbon-muted); font-size: 0.78em; }
.updates-form input:not([type="checkbox"]) {
  padding: 0.6rem 0.75rem;
  border: 0;
  border-bottom: 1px solid var(--ai-carbon);
  background: color-mix(in srgb, var(--ai-paper) 84%, var(--ai-dust));
}
.updates-form input:not([type="checkbox"]):focus {
  border-bottom-color: var(--ai-signal-dark);
  background: var(--ai-paper-bright);
  box-shadow: inset 0 -2px 0 var(--ai-signal);
}
.updates-form input::placeholder { color: var(--ai-carbon-muted); opacity: 0; transition: opacity 120ms ease; }
.updates-form input:focus::placeholder { opacity: 0.78; }
.updates-form .consent { margin-block: 0.95rem; font-size: 0.75rem; }
.updates-form .btn--primary {
  margin-top: 0.85rem;
  padding: 0.75rem 1rem;
  border-bottom-width: 3px;
  background: var(--ai-carbon);
  color: var(--ai-paper);
  cursor: pointer;
}
.updates-form .btn--primary:hover { background: var(--ai-carbon); color: var(--ai-paper-bright); box-shadow: inset 0 -3px 0 var(--ai-signal); }
.updates-form .btn--primary:disabled { cursor: wait; opacity: 0.55; }
.updates-form .form-status { min-height: 1.3em; margin-top: 0.8rem; }

@media (min-width: 901px) and (min-height: 900px) {
  .updates-main { padding-block: 2.25rem; }
  .updates-form .field { margin-block: 1.15rem; }
  .updates-form .consent { margin-block: 1.1rem; }
}

@media (max-width: 900px) {
  .updates-page { display: block; min-height: 0; }
  .updates-main { grid-template-columns: 1fr; padding-block: clamp(3.5rem, 7vw, 6rem); }
  .updates-intro { position: static; }
  .updates-intro h1 { max-width: 100%; }
  .updates-form { max-width: 720px; }
}

@media (max-width: 620px) {
  .updates-main { gap: 2.5rem; padding-top: 3.5rem; }
  .updates-intro h1 { font-size: clamp(2.5rem, 13vw, 4.3rem); }
  .updates-intro .aia-deck { margin-top: 1.4rem; }
}