:root {
  color-scheme: dark;
  --bg: #08100c;
  --panel: #101d17;
  --panel-2: #152820;
  --ink: #f2f7ed;
  --muted: #a9b9af;
  --line: rgba(242, 247, 237, 0.14);
  --acid: #c7ff4f;
  --amber: #ffb237;
  --cyan: #72ddf7;
  --red: #ff665c;
  --violet: #d7b6ff;
  --shadow: 0 28px 90px rgba(0, 0, 0, 0.42);
  --mono: "IBM Plex Mono", "Cascadia Mono", "JetBrains Mono", monospace;
  --display: "Aptos Display", "Bahnschrift", "Segoe UI", sans-serif;
  --body: "Aptos", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 12% 8%, rgba(199, 255, 79, 0.18), transparent 24rem),
    radial-gradient(circle at 88% 12%, rgba(114, 221, 247, 0.12), transparent 28rem),
    linear-gradient(135deg, rgba(255, 178, 55, 0.06), transparent 32rem),
    var(--bg);
  color: var(--ink);
  font-family: var(--body);
  line-height: 1.5;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(242, 247, 237, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(242, 247, 237, 0.03) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: linear-gradient(to bottom, black, transparent 76%);
}

a {
  color: inherit;
  text-decoration: none;
}

.masthead,
main,
.footer {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  gap: 24px;
}

.brand,
.nav-links {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand {
  font-family: var(--mono);
  font-weight: 700;
}

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid var(--line);
  background: var(--acid);
  color: #06100b;
  text-transform: uppercase;
}

.nav-links {
  color: var(--muted);
  font-size: 14px;
}

.nav-links a {
  padding: 8px 0;
  border-bottom: 1px solid transparent;
}

.nav-links a:hover {
  color: var(--ink);
  border-bottom-color: var(--acid);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 56px;
  align-items: end;
  min-height: 650px;
  padding: 64px 0 92px;
}

.eyebrow,
.section-kicker,
.card-code {
  font-family: var(--mono);
  color: var(--acid);
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 0.12em;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  font-family: var(--display);
  line-height: 0.98;
}

h1 {
  max-width: 880px;
  margin-bottom: 28px;
  font-size: clamp(56px, 8vw, 116px);
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(36px, 5vw, 66px);
}

h3 {
  margin-bottom: 12px;
  font-size: 25px;
}

.lede {
  max-width: 760px;
  color: var(--muted);
  font-size: 20px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button,
.filter-button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  border: 1px solid var(--line);
  padding: 0 18px;
  background: rgba(16, 29, 23, 0.64);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 13px;
  cursor: pointer;
}

.button.primary,
.filter-button.is-active {
  background: var(--acid);
  color: #07100d;
  border-color: var(--acid);
}

.button.secondary:hover,
.filter-button:hover,
.reference-item:hover {
  border-color: rgba(199, 255, 79, 0.6);
}

.status-panel {
  border: 1px solid var(--line);
  background: rgba(16, 29, 23, 0.78);
  box-shadow: var(--shadow);
  padding: 22px;
  backdrop-filter: blur(18px);
}

.section,
.status-panel {
  transform: translateY(18px);
  opacity: 0.001;
}

.section.is-visible,
.status-panel.is-visible {
  transform: translateY(0);
  opacity: 1;
  transition: transform 520ms ease, opacity 520ms ease;
}

.panel-row {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 44px;
  border-bottom: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 13px;
}

.panel-row:last-child {
  border-bottom: 0;
}

.signal {
  width: 10px;
  height: 10px;
  background: var(--cyan);
  box-shadow: 0 0 22px rgba(114, 221, 247, 0.9);
}

.signal.live {
  background: var(--acid);
  box-shadow: 0 0 26px rgba(199, 255, 79, 0.9);
}

.section {
  padding: 86px 0;
  border-top: 1px solid var(--line);
}

.intro,
.split,
.reference {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 72px;
}

.intro > p,
.split p,
.catalog-card p,
.safety-grid p,
.reference-copy,
.section-heading > p {
  color: var(--muted);
}

.section-heading {
  max-width: 820px;
  margin-bottom: 34px;
}

.catalog-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.catalog-card {
  min-height: 280px;
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(21, 40, 32, 0.9), rgba(10, 20, 16, 0.9)),
    radial-gradient(circle at top right, rgba(199, 255, 79, 0.1), transparent 14rem);
  padding: 24px;
  transform: translateY(14px);
  opacity: 0.001;
  transition:
    transform 420ms ease var(--delay),
    opacity 420ms ease var(--delay),
    border-color 180ms ease,
    background 180ms ease;
}

.catalog-card.is-visible {
  transform: translateY(0);
  opacity: 1;
}

.catalog-card:hover {
  transform: translateY(-4px);
  border-color: rgba(199, 255, 79, 0.56);
  background:
    linear-gradient(180deg, rgba(26, 52, 41, 0.96), rgba(10, 20, 16, 0.92)),
    radial-gradient(circle at top right, rgba(199, 255, 79, 0.18), transparent 14rem);
}

.catalog-card.is-reference {
  border-style: dashed;
}

.catalog-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 54px;
}

.category-pill {
  border: 1px solid var(--line);
  padding: 5px 8px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
}

.catalog-path {
  margin-bottom: 16px;
  color: var(--amber) !important;
  font-family: var(--mono);
  font-size: 13px;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.tag-row span {
  border: 1px solid rgba(114, 221, 247, 0.28);
  color: var(--cyan);
  padding: 4px 7px;
  font-family: var(--mono);
  font-size: 11px;
}

.catalog-loading {
  grid-column: 1 / -1;
  color: var(--muted);
  font-family: var(--mono);
}

.timeline {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.timeline li {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 16px;
  align-items: start;
  border: 1px solid var(--line);
  background: rgba(16, 29, 23, 0.62);
  padding: 18px;
  color: var(--muted);
}

.timeline span {
  color: var(--amber);
  font-family: var(--mono);
}

.safety-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.safety-grid > div {
  min-height: 190px;
  border-top: 3px solid var(--acid);
  background: rgba(16, 29, 23, 0.62);
  padding: 22px;
}

.safety-grid > div:nth-child(2) {
  border-top-color: var(--red);
}

.safety-grid > div:nth-child(3) {
  border-top-color: var(--cyan);
}

.reference-list {
  display: grid;
  gap: 10px;
}

.reference-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  width: 100%;
  min-height: 64px;
  border: 1px solid var(--line);
  background: rgba(16, 29, 23, 0.62);
  color: var(--ink);
  padding: 12px 16px;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.reference-item span {
  font-family: var(--display);
  font-size: 22px;
}

.reference-item small {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 12px;
}

.reference-item.is-open {
  border-color: var(--acid);
  background: rgba(199, 255, 79, 0.12);
}

.reference-copy {
  align-self: stretch;
  min-height: 212px;
  margin: 0;
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 24px;
  font-size: 20px;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 28px 0 42px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 12px;
}

@media (max-width: 960px) {
  .topbar,
  .intro,
  .split,
  .reference,
  .footer {
    display: block;
  }

  .nav-links {
    flex-wrap: wrap;
    margin-top: 18px;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 44px;
  }

  .catalog-grid,
  .safety-grid {
    grid-template-columns: 1fr;
  }

  .reference-list,
  .footer span + span {
    margin-top: 16px;
  }
}

@media (max-width: 540px) {
  .masthead,
  main,
  .footer {
    width: min(100% - 28px, 1180px);
  }

  h1 {
    font-size: 46px;
  }

  .section {
    padding: 64px 0;
  }

  .reference-item {
    display: block;
  }

  .reference-item small {
    display: block;
    margin-top: 6px;
  }
}