.releases-page {
  background:
    radial-gradient(circle at 78% 7%, rgba(64, 108, 183, 0.18), transparent 33rem),
    radial-gradient(circle at 12% 38%, rgba(103, 232, 249, 0.06), transparent 26rem),
    var(--bg);
}

.desktop-nav .is-active { color: var(--cyan); }

.releases-hero {
  position: relative;
  display: flex;
  min-height: 620px;
  padding: 170px max(24px, calc((100% - var(--max)) / 2)) 90px;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  isolation: isolate;
}

.releases-hero::before {
  position: absolute;
  z-index: -2;
  inset: 0;
  content: "";
  opacity: 0.42;
  background:
    linear-gradient(90deg, rgba(7, 11, 20, 0.99), rgba(7, 11, 20, 0.66)),
    url("/landing-assets/rivet-nova-hero.webp") 70% 42% / cover;
  mask-image: linear-gradient(to bottom, black 55%, transparent 100%);
}

.releases-hero h1 {
  max-width: 780px;
  margin: 18px 0;
  font-size: clamp(60px, 9vw, 116px);
  line-height: 0.9;
}

.releases-hero h1 em,
.release-toolbar h2 em,
.release-footer-cta h2 em { color: var(--cyan); font-style: normal; }

.releases-hero > p {
  max-width: 690px;
  margin: 4px 0 36px;
  color: var(--muted);
  font-size: clamp(16px, 2vw, 20px);
}

.release-ledger {
  display: grid;
  grid-template-columns: repeat(3, minmax(150px, 220px));
  width: fit-content;
  border: 1px solid var(--line);
  background: rgba(8, 14, 25, 0.72);
  backdrop-filter: blur(14px);
}

.release-ledger span { padding: 18px 22px; border-right: 1px solid var(--line); }
.release-ledger span:last-child { border-right: 0; }
.release-ledger small,
.release-ledger strong { display: block; }
.release-ledger small { color: #6f8298; text-transform: uppercase; letter-spacing: 0.14em; font-size: 9px; font-weight: 800; }
.release-ledger strong { margin-top: 4px; color: #f4f8fb; font-size: 17px; }
.release-ledger .live-word { color: var(--success); }

.release-orbit {
  position: absolute;
  right: clamp(-220px, 4vw, 70px);
  top: 85px;
  z-index: -1;
  width: 510px;
  height: 510px;
  border: 1px solid rgba(103, 232, 249, 0.16);
  border-radius: 50%;
  box-shadow: inset 0 0 80px rgba(34, 211, 238, 0.035);
  animation: release-spin 28s linear infinite;
}

.release-orbit::before,
.release-orbit::after { position: absolute; inset: 55px; content: ""; border: 1px dashed rgba(139, 122, 255, 0.18); border-radius: inherit; }
.release-orbit::after { inset: 145px; border-style: solid; border-color: rgba(245, 158, 80, 0.2); }
.release-orbit i { position: absolute; width: 11px; height: 11px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 24px var(--cyan); }
.release-orbit i:first-child { top: 45px; left: 105px; }
.release-orbit i:nth-child(2) { right: 46px; bottom: 116px; background: var(--violet); box-shadow: 0 0 24px var(--violet); }
.release-orbit i:last-child { bottom: 102px; left: 118px; background: var(--ember); box-shadow: 0 0 24px var(--ember); }

.releases-shell { padding-top: 105px; }

.release-toolbar {
  display: grid;
  grid-template-columns: 1fr minmax(390px, 0.85fr);
  gap: 56px;
  align-items: end;
}

.release-toolbar h2 { margin: 10px 0 0; font-size: clamp(45px, 6vw, 76px); line-height: 0.96; }
.release-tools { display: grid; grid-template-columns: 1fr auto; gap: 10px; align-items: end; }
.release-search span { display: block; margin-bottom: 7px; color: #718399; text-transform: uppercase; letter-spacing: 0.12em; font-size: 9px; font-weight: 800; }
.release-search input {
  width: 100%;
  min-height: 50px;
  padding: 0 15px;
  border: 1px solid var(--line);
  border-radius: 5px;
  outline: 0;
  color: var(--text);
  background: rgba(12, 19, 32, 0.82);
  transition: border-color 160ms ease, box-shadow 160ms ease;
}
.release-search input:focus { border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(103, 232, 249, 0.08); }
.release-tools button {
  min-height: 50px;
  padding: 0 17px;
  border: 1px solid rgba(103, 232, 249, 0.3);
  border-radius: 5px;
  color: var(--cyan);
  background: rgba(34, 211, 238, 0.06);
  text-transform: uppercase;
  letter-spacing: 0.09em;
  font-size: 9px;
  font-weight: 850;
  cursor: pointer;
}

.release-result-line { display: flex; align-items: center; gap: 18px; margin: 46px 0 18px; color: #687b91; text-transform: uppercase; letter-spacing: 0.12em; font-size: 9px; font-weight: 800; }
.release-result-line b { color: var(--cyan); }
.release-result-line i { height: 1px; flex: 1; background: linear-gradient(90deg, var(--line-bright), transparent); }

.release-list { position: relative; display: grid; gap: 10px; padding-left: 34px; }
.release-list::before { position: absolute; top: 0; bottom: 0; left: 9px; width: 1px; content: ""; background: linear-gradient(var(--cyan), rgba(103, 232, 249, 0.08) 75%, transparent); }

.release-card { position: relative; border: 1px solid var(--line); border-radius: 7px; background: linear-gradient(110deg, rgba(15, 24, 40, 0.88), rgba(10, 16, 28, 0.7)); overflow: hidden; transition: border-color 180ms ease, transform 180ms ease; }
.release-card::before { position: absolute; top: 25px; left: -31px; width: 9px; height: 9px; border: 2px solid var(--bg); border-radius: 50%; content: ""; background: #456477; box-shadow: 0 0 0 1px rgba(103, 232, 249, 0.25); }
.release-card:first-child::before { background: var(--cyan); box-shadow: 0 0 14px var(--cyan); }
.release-card:hover { border-color: rgba(103, 232, 249, 0.28); transform: translateX(2px); }
.release-card[open] { border-color: rgba(103, 232, 249, 0.24); }

.release-card summary { display: grid; grid-template-columns: 112px 1fr 24px; gap: 20px; align-items: center; min-height: 66px; padding: 11px 18px; cursor: pointer; list-style: none; }
.release-card summary::-webkit-details-marker { display: none; }
.release-version { width: fit-content; padding: 6px 9px; border: 1px solid rgba(103, 232, 249, 0.22); border-radius: 4px; color: var(--cyan); background: rgba(34, 211, 238, 0.05); font: 800 10px/1 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: 0.08em; }
.release-card summary strong { font-size: 15px; letter-spacing: 0.01em; }
.release-card summary i { position: relative; width: 18px; height: 18px; }
.release-card summary i::before,
.release-card summary i::after { position: absolute; top: 8px; left: 3px; width: 12px; height: 1px; content: ""; background: #7d91a8; transition: transform 180ms ease; }
.release-card summary i::after { transform: rotate(90deg); }
.release-card[open] summary i::after { transform: rotate(0); }
.release-card ul { margin: 0; padding: 4px 60px 23px 169px; color: #9dabbc; font-size: 13px; }
.release-card li { margin: 8px 0; padding-left: 4px; }
.release-card li::marker { color: var(--cyan); }

.release-empty { padding: 70px 20px; border: 1px dashed var(--line); color: var(--muted); text-align: center; }
.release-empty strong,
.release-empty span { display: block; }
.release-empty strong { color: var(--text); font-size: 20px; }

.release-footer-cta { display: flex; min-height: 350px; align-items: center; justify-content: space-between; gap: 40px; border-top: 1px solid var(--line); }
.release-footer-cta small { color: var(--cyan); letter-spacing: 0.15em; font-size: 9px; font-weight: 850; }
.release-footer-cta h2 { margin: 14px 0 0; font-size: clamp(38px, 5vw, 65px); line-height: 1; }
.release-footer-cta > div:last-child { display: flex; gap: 10px; flex-wrap: wrap; }

@keyframes release-spin { to { transform: rotate(1turn); } }

@media (max-width: 820px) {
  .releases-hero { min-height: 560px; padding-top: 135px; }
  .release-orbit { right: -300px; opacity: 0.55; }
  .release-toolbar { grid-template-columns: 1fr; gap: 28px; }
  .release-footer-cta { align-items: flex-start; flex-direction: column; justify-content: center; }
}

@media (max-width: 620px) {
  .releases-hero { min-height: 610px; padding-inline: 18px; }
  .releases-hero h1 { font-size: clamp(54px, 18vw, 82px); }
  .release-ledger { grid-template-columns: 1fr; width: min(100%, 310px); }
  .release-ledger span { padding: 11px 14px; border-right: 0; border-bottom: 1px solid var(--line); }
  .release-ledger span:last-child { border-bottom: 0; }
  .release-ledger small,
  .release-ledger strong { display: inline; }
  .release-ledger strong { float: right; margin: 0; font-size: 14px; }
  .release-tools { grid-template-columns: 1fr; }
  .release-list { padding-left: 21px; }
  .release-list::before { left: 4px; }
  .release-card::before { left: -20px; width: 7px; height: 7px; }
  .release-card summary { grid-template-columns: 1fr 22px; gap: 7px 12px; padding: 14px; }
  .release-version { grid-column: 1; }
  .release-card summary strong { grid-column: 1; font-size: 14px; }
  .release-card summary i { grid-column: 2; grid-row: 1 / span 2; }
  .release-card ul { padding: 0 28px 18px 36px; font-size: 12px; }
  .release-footer-cta > div:last-child,
  .release-footer-cta .button { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .release-orbit { animation: none; }
}