:root {
  color-scheme: dark;
  --ink: #101b24;
  --deep: #0c151d;
  --panel: #192932;
  --line: #35515a;
  --paper: #f4f7f6;
  --text: #eaf2f0;
  --muted: #afc3c3;
  --accent: #77ded2;
  --coral: #f39c78;
  font-family:
    Inter,
    Segoe UI,
    Arial,
    sans-serif;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--deep);
  color: var(--text);
  line-height: 1.55;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font: inherit;
}
img {
  max-width: 100%;
}
.shell {
  width: min(100% - 44px, 1160px);
  margin: auto;
}
.skip-link {
  position: absolute;
  left: 20px;
  top: -80px;
  z-index: 20;
  padding: 10px;
  background: white;
  color: black;
}
.skip-link:focus {
  top: 12px;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: #0d171eea;
  border-bottom: 1px solid #ffffff21;
  backdrop-filter: blur(16px);
}
.header-inner {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 800;
  white-space: nowrap;
}
.brand-mark {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 7px;
  background: #e9f9f5;
  color: #142b39;
  font-weight: 900;
}
.site-nav {
  display: flex;
  align-items: center;
  gap: 26px;
  font-size: 14px;
  font-weight: 650;
}
.site-nav a {
  color: #ccd9d8;
}
.site-nav a:hover,
.site-nav a:focus-visible,
.guide-links a:hover {
  color: var(--accent);
}
.site-nav .nav-source {
  border: 1px solid #45616a;
  border-radius: 5px;
  padding: 8px 12px;
  color: #fff;
}
.menu-toggle {
  display: none;
  background: none;
  border: 1px solid #50616a;
  border-radius: 5px;
  padding: 8px;
  min-width: 42px;
  min-height: 42px;
}
.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: #f0f5f3;
  margin: 4px 0;
}
.hero {
  position: relative;
  min-height: min(680px, calc(100svh - 74px));
  background: #0b151d url("assets/roxx-hero.png") center 58% / cover no-repeat;
  isolation: isolate;
}
.hero:before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(90deg, #071119ee 0%, #071119aa 41%, #07111935 75%),
    linear-gradient(0deg, #071119a6 0%, transparent 38%);
}
.hero-inner {
  padding-top: clamp(75px, 11vh, 120px);
  padding-bottom: 35px;
}
.eyebrow {
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}
.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
}
.status-dot {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--accent);
}
.eyebrow-divider {
  color: #b2c1c1;
}
.hero h1 {
  font-size: clamp(62px, 8vw, 112px);
  line-height: 1;
  letter-spacing: 0;
  margin: 22px 0 24px;
}
.hero-lede {
  font-size: clamp(25px, 3vw, 40px);
  line-height: 1.18;
  font-weight: 720;
  max-width: 730px;
  margin: 0;
}
.hero-detail {
  font-size: 18px;
  color: #d6e4e2;
  max-width: 600px;
  margin: 22px 0 0;
}
.hero-actions,
.community-actions,
.download-links {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.hero-actions {
  margin-top: 33px;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  min-height: 46px;
  padding: 11px 17px;
  border-radius: 5px;
  font-weight: 750;
  font-size: 14px;
  transition:
    transform 0.15s,
    background 0.15s;
}
.button:hover {
  transform: translateY(-2px);
}
.button-primary {
  background: var(--accent);
  color: #0d252d;
}
.button-primary:hover {
  background: #a1f2e8;
}
.button-outline {
  background: #0d1c25a8;
  border: 1px solid #89a1a6;
  color: #f7ffff;
}
.button-muted {
  background: #25414a;
  color: white;
}
.hero-facts {
  margin-top: clamp(52px, 9vh, 90px);
  display: flex;
  max-width: 770px;
  border-top: 1px solid #ffffff4d;
  padding-top: 22px;
}
.hero-facts div {
  flex: 1;
  padding: 0 20px;
  border-right: 1px solid #ffffff32;
}
.hero-facts div:first-child {
  padding-left: 0;
}
.hero-facts div:last-child {
  border: 0;
}
.hero-facts strong,
.hero-facts span {
  display: block;
}
.hero-facts strong {
  font-size: 14px;
}
.hero-facts span {
  font-size: 13px;
  color: #c1d0cf;
  margin-top: 4px;
}
.band {
  background: #183039;
}
.intro {
  padding: 64px 0;
}
.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 55px;
  align-items: center;
}
.intro h2,
.section h2,
.community h2 {
  font-size: clamp(30px, 4vw, 50px);
  line-height: 1.12;
  letter-spacing: 0;
  margin: 9px 0;
}
.intro-grid > p {
  font-size: 18px;
  color: #d2e3e0;
  max-width: 570px;
}
.section {
  padding: 90px 0;
}
.section-head {
  max-width: 710px;
  margin-bottom: 36px;
}
.section-head > p:last-child {
  font-size: 17px;
  color: var(--muted);
  margin-top: 16px;
}
.architecture-section {
  background: var(--paper);
  color: #192b32;
}
.architecture-section .eyebrow,
.guide-section .eyebrow {
  color: #16776f;
}
.architecture-section .section-head > p:last-child,
.guide-section .section-head > p:last-child {
  color: #527072;
}
.flow {
  display: grid;
  grid-template-columns: 1fr 32px 1fr 32px 1fr;
  align-items: center;
  gap: 9px;
  padding: 20px 0;
}
.flow-node {
  min-height: 184px;
  border: 1px solid #b5c9c8;
  border-top: 4px solid #3a9290;
  padding: 23px;
  background: white;
}
.flow-node.flow-core {
  background: #1d4850;
  color: white;
  border-color: #1d4850;
  border-top-color: var(--accent);
}
.flow-number {
  display: block;
  color: #2c7775;
  font-size: 11px;
  font-weight: 850;
  margin-bottom: 22px;
}
.flow-core .flow-number {
  color: var(--accent);
}
.flow-node strong,
.flow-node > span:last-child {
  display: block;
}
.flow-node strong {
  font-size: 19px;
  line-height: 1.2;
}
.flow-node > span:last-child {
  margin-top: 10px;
  font-size: 14px;
  color: #607777;
}
.flow-core > span:last-child {
  color: #c7dcdb;
}
.flow-arrow {
  text-align: center;
  font-size: 25px;
  color: #23766f;
}
.architecture-notes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  border-top: 1px solid #c5d4d2;
  margin-top: 25px;
  padding-top: 12px;
}
.architecture-notes p {
  color: #536b6e;
}
.architecture-notes strong {
  color: #1a3038;
}
.capabilities-section {
  background: #11232b;
}
.capability-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.capability-grid article {
  padding: 25px 24px 30px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  min-height: 195px;
}
.feature-index {
  color: var(--accent);
  font-size: 11px;
  font-weight: 850;
}
.capability-grid h3 {
  font-size: 19px;
  margin: 22px 0 8px;
}
.capability-grid p {
  font-size: 14px;
  color: #b6cecb;
  margin: 0;
}
.download-section {
  background: #e9f0ed;
  color: #182c34;
}
.download-section .eyebrow {
  color: #16776f;
}
.download-section .section-head > p:last-child {
  color: #557075;
}
.platform-tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid #a9c1bd;
}
.platform-tabs button {
  border: 0;
  border-bottom: 3px solid transparent;
  background: none;
  color: #587172;
  padding: 13px 25px;
  cursor: pointer;
  font-weight: 800;
}
.platform-tabs button[aria-selected="true"] {
  color: #0e393c;
  border-color: #178f85;
}
.platform-tabs button:hover {
  color: #0e393c;
}
.platform-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 52px;
  align-items: center;
  padding: 32px 0;
  min-height: 294px;
}
.platform-panel[hidden] {
  display: none;
}
.platform-kicker {
  font-size: 11px;
  font-weight: 850;
  color: #168077;
}
.platform-panel h3 {
  font-size: 28px;
  line-height: 1.2;
  margin: 6px 0 12px;
}
.platform-panel p:not(.platform-kicker) {
  color: #536b70;
}
.download-links {
  margin-top: 22px;
}
.download-links .button-muted {
  background: #d0e0dd;
  color: #1d3a3e;
}
.command-block {
  background: #152832;
  color: #e9f7f4;
  border-radius: 6px;
  min-width: 0;
  box-shadow: 0 10px 30px #233b3b20;
}
.command-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 17px;
  border-bottom: 1px solid #3d5961;
  color: #bfd4d2;
  font-size: 12px;
}
.copy-button {
  background: none;
  color: var(--accent);
  border: 1px solid #557b7d;
  border-radius: 4px;
  padding: 4px 10px;
  cursor: pointer;
}
.copy-button:hover {
  background: #254a50;
}
.command-block pre {
  margin: 0;
  padding: 23px 17px;
  overflow: auto;
  line-height: 1.9;
  font-size: 14px;
}
.release-row {
  display: flex;
  gap: 25px;
  flex-wrap: wrap;
  border-top: 1px solid #adc7c3;
  padding-top: 17px;
  font-size: 14px;
  color: #345259;
}
.release-row a {
  font-weight: 750;
  color: #16776f;
}
.guide-section {
  background: #fff;
  color: #1c3037;
}
.guide-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 35px;
}
.guide-step {
  border-top: 3px solid #3a9790;
  padding-top: 21px;
}
.guide-step > span {
  color: #238078;
  font-size: 11px;
  font-weight: 800;
}
.guide-step h3 {
  margin: 18px 0 10px;
  font-size: 20px;
}
.guide-step p {
  font-size: 14px;
  color: #51696b;
  min-height: 110px;
}
.guide-step a {
  color: #14766c;
  font-weight: 750;
  font-size: 14px;
}
.guide-links {
  display: flex;
  gap: 14px 30px;
  flex-wrap: wrap;
  border-top: 1px solid #cddcda;
  margin-top: 45px;
  padding-top: 20px;
  color: #176e68;
  font-weight: 700;
  font-size: 14px;
}
.community {
  padding: 60px 0;
}
.community-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}
.community-inner h2 {
  max-width: 650px;
}
.community p:last-child {
  color: #c2d9d5;
}
.site-footer {
  background: #0d181f;
  padding: 35px 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 25px;
}
.footer-inner p {
  font-size: 13px;
  color: #a6bcbd;
}
.footer-inner > div {
  display: flex;
  gap: 20px;
  font-size: 13px;
  color: #afc5c5;
}
a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--coral);
  outline-offset: 3px;
}
code {
  overflow-wrap: anywhere;
}
@media (max-width: 900px) {
  .site-nav {
    gap: 13px;
    font-size: 12px;
  }
  .platform-panel {
    gap: 25px;
  }
  .hero {
    min-height: 640px;
  }
}
@media (max-width: 700px) {
  .shell {
    width: min(100% - 32px, 1160px);
  }
  .header-inner {
    min-height: 64px;
  }
  .menu-toggle {
    display: block;
  }
  .site-nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: #0e2029;
    padding: 15px 20px 25px;
    box-shadow: 0 15px 22px #071218aa;
  }
  .site-nav.open {
    display: grid;
    gap: 13px;
  }
  .site-nav a {
    font-size: 16px;
    padding: 4px 0;
  }
  .site-nav .nav-source {
    width: max-content;
    padding: 8px 12px;
  }
  .hero {
    min-height: 650px;
    background-position: 60% center;
  }
  .hero:before {
    background:
      linear-gradient(90deg, #071119f2, #07111984),
      linear-gradient(0deg, #071119c5, transparent 65%);
  }
  .hero-inner {
    padding-top: 62px;
  }
  .hero h1 {
    font-size: 68px;
    margin: 18px 0;
  }
  .hero-lede {
    font-size: 28px;
  }
  .hero-detail {
    font-size: 16px;
  }
  .hero-facts {
    margin-top: 55px;
    display: grid;
    gap: 13px;
    padding-top: 18px;
  }
  .hero-facts div {
    border: 0;
    padding: 0;
  }
  .hero-facts span {
    margin-top: 0;
  }
  .intro,
  .section {
    padding: 60px 0;
  }
  .intro-grid,
  .platform-panel,
  .guide-grid,
  .architecture-notes {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .intro-grid > p {
    font-size: 16px;
  }
  .flow {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .flow-node {
    min-height: 0;
  }
  .flow-arrow {
    transform: rotate(90deg);
    padding: 8px;
  }
  .capability-grid {
    grid-template-columns: 1fr 1fr;
  }
  .platform-tabs button {
    flex: 1;
    padding: 12px 4px;
  }
  .platform-panel {
    padding: 25px 0;
  }
  .guide-step p {
    min-height: 0;
  }
  .guide-step {
    padding-bottom: 18px;
  }
  .community-inner,
  .footer-inner {
    display: grid;
    gap: 15px;
  }
  .community-actions {
    margin-top: 10px;
  }
}
@media (max-width: 480px) {
  .capability-grid {
    grid-template-columns: 1fr;
  }
  .capability-grid article {
    min-height: 0;
  }
  .hero-actions .button {
    width: 100%;
  }
  .download-links .button {
    width: 100%;
  }
  .hero {
    min-height: 690px;
  }
  .hero-lede {
    font-size: 26px;
  }
  .footer-inner > div {
    flex-wrap: wrap;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .button {
    transition: none;
  }
}