:root {
  color-scheme: dark;
  --background: #080b14;
  --background-deep: #05070d;
  --surface: #111725;
  --surface-raised: #171f31;
  --surface-soft: #0d1320;
  --text: #f5f7fb;
  --muted: #a8b2c5;
  --subtle: #7f8aa0;
  --border: #263149;
  --border-bright: #36435f;
  --accent: #6ce4d1;
  --accent-strong: #9af2e4;
  --accent-ink: #062923;
  --violet: #8e9cff;
  --shadow: 0 1.5rem 5rem rgb(0 0 0 / 32%);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.65;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 18rem;
  scroll-behavior: smooth;
}

body {
  min-width: 18rem;
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 78% -10%, rgb(92 101 255 / 20%), transparent 34rem),
    radial-gradient(circle at 5% 22%, rgb(30 215 187 / 10%), transparent 28rem),
    linear-gradient(180deg, var(--background) 0%, var(--background-deep) 100%);
  color: var(--text);
}

img {
  display: block;
  height: auto;
  max-width: 100%;
}

a {
  color: var(--accent);
  overflow-wrap: anywhere;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.2em;
}

a:hover {
  color: var(--accent-strong);
}

a:focus-visible,
button:focus-visible {
  outline: 0.18rem solid var(--accent);
  outline-offset: 0.22rem;
  border-radius: 0.35rem;
}

code {
  padding: 0.08rem 0.32rem;
  border: 1px solid var(--border);
  border-radius: 0.35rem;
  background: rgb(255 255 255 / 5%);
  color: #dce3ff;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 0.9em;
  overflow-wrap: anywhere;
}

.skip-link {
  position: fixed;
  z-index: 20;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.6rem 0.9rem;
  border: 1px solid var(--border-bright);
  border-radius: 0.6rem;
  background: var(--surface-raised);
  color: var(--text);
  transform: translateY(-220%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  z-index: 10;
  top: 0;
  border-bottom: 1px solid rgb(255 255 255 / 8%);
  background: rgb(8 11 20 / 82%);
  backdrop-filter: blur(1.2rem) saturate(140%);
}

.header-inner,
.marketing-content,
.marketing-footer {
  width: min(100% - 2rem, 72rem);
  margin-inline: auto;
}

.content,
.site-footer:not(.marketing-footer) {
  width: min(100% - 2rem, 54rem);
  margin-inline: auto;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 4.5rem;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--text);
  font-size: 1.1rem;
  font-weight: 760;
  letter-spacing: -0.025em;
  text-decoration: none;
}

.wordmark-mark {
  display: grid;
  width: 1.8rem;
  height: 1.8rem;
  place-items: center;
  border: 1px solid rgb(255 255 255 / 14%);
  border-radius: 0.55rem;
  background: linear-gradient(145deg, #252d52, #0e1328);
  box-shadow: inset 0 1px rgb(255 255 255 / 15%), 0 0.4rem 1rem rgb(0 0 0 / 20%);
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 850;
}

nav {
  display: flex;
  align-items: center;
  gap: 0.15rem;
}

nav a {
  padding: 0.5rem 0.72rem;
  border-radius: 0.55rem;
  color: var(--muted);
  font-size: 0.91rem;
  font-weight: 610;
  text-decoration: none;
}

nav a:hover {
  background: rgb(255 255 255 / 5%);
  color: var(--text);
}

nav a[aria-current="page"] {
  background: rgb(108 228 209 / 11%);
  color: var(--accent-strong);
}

.content {
  margin-block: clamp(1.5rem, 4vw, 3.5rem);
  padding: clamp(1.35rem, 5vw, 3.5rem);
  border: 1px solid var(--border);
  border-radius: 1.25rem;
  background: linear-gradient(145deg, rgb(23 31 49 / 94%), rgb(13 19 32 / 97%));
  box-shadow: var(--shadow);
}

.content > :first-child {
  margin-top: 0;
}

.content > :last-child {
  margin-bottom: 0;
}

h1,
h2,
h3 {
  color: var(--text);
  line-height: 1.13;
  letter-spacing: -0.035em;
  text-wrap: balance;
}

h1 {
  margin: 0 0 1.3rem;
  font-size: clamp(2.25rem, 7vw, 4.5rem);
}

.content h1 {
  font-size: clamp(2.2rem, 7vw, 3.7rem);
}

h2 {
  margin: 2.5rem 0 0.8rem;
  font-size: clamp(1.35rem, 4vw, 1.85rem);
}

h3 {
  margin: 0.7rem 0 0.45rem;
  font-size: 1.08rem;
}

p,
ul,
dl {
  margin-block: 0.85rem;
}

ul {
  padding-left: 1.3rem;
}

li + li {
  margin-top: 0.45rem;
}

.content p,
.content li {
  color: var(--muted);
}

.content h1 + p,
.document-lede {
  max-width: 46rem;
  color: #c8d0df;
  font-size: 1.08rem;
}

.marketing-content {
  padding-block: clamp(2.5rem, 8vw, 6.5rem);
}

.hero {
  display: grid;
  align-items: center;
  grid-template-columns: minmax(0, 1.15fr) minmax(18rem, 0.85fr);
  gap: clamp(2rem, 7vw, 7rem);
  min-height: min(46rem, calc(100vh - 4.5rem));
  padding-block: 2rem 5rem;
}

.hero-copy {
  max-width: 43rem;
}

.eyebrow {
  margin: 0 0 0.85rem;
  color: var(--accent) !important;
  font-size: 0.78rem;
  font-weight: 780;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero h1 span {
  color: var(--accent);
}

.hero-lede {
  max-width: 42rem;
  color: #c3cbda;
  font-size: clamp(1.08rem, 2.2vw, 1.32rem);
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  min-height: 2.9rem;
  align-items: center;
  justify-content: center;
  padding: 0.72rem 1.05rem;
  border: 1px solid transparent;
  border-radius: 0.75rem;
  font-size: 0.95rem;
  font-weight: 720;
  line-height: 1.2;
  text-decoration: none;
}

.button-primary {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--accent-ink);
  box-shadow: 0 0.8rem 2rem rgb(39 212 184 / 18%);
}

.button-primary:hover {
  border-color: var(--accent-strong);
  background: var(--accent-strong);
  color: var(--accent-ink);
}

.button-secondary {
  border-color: var(--border-bright);
  background: rgb(255 255 255 / 3%);
  color: var(--text);
}

.button-secondary:hover {
  border-color: #53617e;
  background: rgb(255 255 255 / 7%);
  color: var(--text);
}

.trust-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 1.3rem;
  margin-top: 1.65rem;
  padding: 0;
  color: var(--subtle);
  font-size: 0.88rem;
  list-style: none;
}

.trust-list li {
  position: relative;
  padding-left: 1rem;
}

.trust-list li::before {
  position: absolute;
  top: 0.62em;
  left: 0;
  width: 0.38rem;
  height: 0.38rem;
  border-radius: 50%;
  background: var(--accent);
  content: "";
}

.hero-art {
  position: relative;
  display: grid;
  place-items: center;
  isolation: isolate;
}

.hero-art img {
  position: relative;
  z-index: 1;
  width: min(100%, 28rem);
  border-radius: 23%;
  box-shadow: 0 2.4rem 6rem rgb(0 0 0 / 52%), 0 0 0 1px rgb(255 255 255 / 9%);
}

.icon-glow {
  position: absolute;
  width: 72%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: linear-gradient(135deg, rgb(108 228 209 / 55%), rgb(108 92 255 / 65%));
  filter: blur(3.2rem);
  opacity: 0.45;
}

.section-block {
  padding-block: clamp(3.5rem, 8vw, 7rem);
  border-top: 1px solid var(--border);
}

.section-heading {
  max-width: 43rem;
  margin-bottom: 2rem;
}

.section-heading h2,
.platform-panel h2 {
  margin-top: 0;
  font-size: clamp(2rem, 5vw, 3.25rem);
}

.section-heading > p:last-child {
  color: var(--muted);
}

.system-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.8rem;
}

.system-card,
.feature-card {
  border: 1px solid var(--border);
  border-radius: 1rem;
  background: linear-gradient(145deg, rgb(23 31 49 / 74%), rgb(13 19 32 / 78%));
}

.system-card {
  min-height: 12.5rem;
  padding: 1.2rem;
}

.system-card p,
.feature-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.system-abbreviation {
  display: inline-flex;
  min-width: 2.55rem;
  height: 2rem;
  align-items: center;
  justify-content: center;
  padding-inline: 0.55rem;
  border: 1px solid rgb(108 228 209 / 24%);
  border-radius: 0.55rem;
  background: rgb(108 228 209 / 9%);
  color: var(--accent);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 0.75rem;
  font-weight: 800;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
  padding-bottom: clamp(3.5rem, 8vw, 7rem);
}

.feature-card {
  padding: 1.5rem;
}

.feature-card h2 {
  margin-top: 1.5rem;
  font-size: 1.45rem;
}

.feature-number {
  color: var(--violet);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 0.75rem;
  font-weight: 750;
  letter-spacing: 0.1em;
}

.platform-panel {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: clamp(2rem, 8vw, 6rem);
  padding: clamp(1.5rem, 5vw, 3rem);
  border: 1px solid var(--border-bright);
  border-radius: 1.25rem;
  background:
    radial-gradient(circle at 0% 0%, rgb(108 228 209 / 11%), transparent 20rem),
    var(--surface-soft);
}

.platform-list {
  display: grid;
  gap: 0.2rem;
}

.platform-list p {
  display: grid;
  grid-template-columns: 8.5rem 1fr;
  gap: 1rem;
  margin: 0;
  padding-block: 0.9rem;
  border-bottom: 1px solid var(--border);
}

.platform-list p:last-child {
  border-bottom: 0;
}

.platform-list strong {
  color: var(--text);
}

.platform-list span {
  color: var(--muted);
}

.release-note {
  display: flex;
  align-items: baseline;
  gap: 0.8rem;
  margin-top: 1rem;
  padding: 1rem 1.2rem;
  border-left: 0.2rem solid var(--violet);
  color: var(--muted);
  font-size: 0.9rem;
}

.release-note strong {
  flex: none;
  color: var(--text);
}

.release-note p {
  margin: 0;
}

.source-content {
  overflow: hidden;
}

.source-status,
.source-card {
  margin-block: 2rem;
  padding: clamp(1.2rem, 4vw, 2rem);
  border: 1px solid var(--border-bright);
  border-radius: 1rem;
  background: var(--surface-soft);
}

.source-status h2,
.source-card h2 {
  margin-top: 0;
}

.source-card {
  display: grid;
  gap: 1rem;
}

.release-facts {
  display: grid;
  gap: 0.7rem;
}

.release-facts div {
  display: grid;
  gap: 0.25rem;
}

.release-facts dt {
  color: var(--subtle);
  font-size: 0.75rem;
  font-weight: 750;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.release-facts dd {
  margin: 0;
}

.source-canonical-link {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  font-size: 0.88rem;
}

.error-content {
  margin-top: 10vh;
  text-align: center;
}

.error-content p {
  margin-inline: auto;
}

.site-footer {
  padding-block: 1rem 2.5rem;
  color: var(--subtle);
  font-size: 0.84rem;
}

.site-footer p {
  margin-block: 0.35rem;
}

.site-footer strong {
  color: var(--text);
}

.marketing-footer {
  padding-top: 2.5rem;
  border-top: 1px solid var(--border);
}

@media (max-width: 58rem) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero-copy {
    max-width: 50rem;
  }

  .hero-art {
    width: min(70vw, 24rem);
    margin-inline: auto;
  }

  .system-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .feature-grid,
  .platform-panel {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 40rem) {
  :root {
    font-size: 16px;
  }

  .site-header {
    position: relative;
  }

  .header-inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.7rem;
    padding-block: 0.9rem;
  }

  nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 0.15rem;
  }

  nav a {
    flex: none;
  }

  .hero {
    padding-block: 2rem 4rem;
  }

  .hero-actions,
  .hero-actions .button {
    width: 100%;
  }

  .system-grid {
    grid-template-columns: 1fr;
  }

  .system-card {
    min-height: 0;
  }

  .platform-list p {
    grid-template-columns: 1fr;
    gap: 0.2rem;
  }

  .release-note {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

@media print {
  :root {
    color-scheme: light;
    --background: #ffffff;
    --background-deep: #ffffff;
    --surface: #ffffff;
    --surface-raised: #ffffff;
    --surface-soft: #f4f5f8;
    --text: #111827;
    --muted: #374151;
    --subtle: #4b5563;
    --border: #d1d5db;
    --border-bright: #9ca3af;
    --accent: #075e54;
    --accent-strong: #064e3b;
  }

  body {
    background: #ffffff;
  }

  .site-header,
  .hero-art,
  .hero-actions {
    display: none;
  }

  .content,
  .system-card,
  .feature-card,
  .platform-panel {
    border-color: #d1d5db;
    background: #ffffff;
    box-shadow: none;
  }
}