index.css

:root {
  --rp-c-brand: #6ca3ff;
  --rp-c-brand-dark: #8bb6ff;
  --rp-c-brand-darker: #a8c9ff;
  --rp-c-brand-light: #578de8;
  --rp-c-brand-lighter: #446da7;
  --rp-c-brand-tint: rgba(108, 163, 255, 0.12);
  --rp-c-bg: #0b0b0d;
  --rp-c-bg-soft: #111216;
  --rp-c-bg-mute: #16171b;
  --rp-c-divider: #292b31;
  --rp-c-divider-light: #22242a;
  --rp-c-text-1: #f5f7fa;
  --rp-c-text-2: #a7abb4;
  --rp-c-text-3: #727782;
  --rp-nav-height: 72px;
  --rp-content-max-width: 900px;
  --a3s-blue: #6ca3ff;
  --a3s-blue-deep: #446da7;
  --a3s-amber: #f0b44d;
  --a3s-green: #3ccf91;
  --a3s-canvas: #0b0b0d;
  --a3s-panel: #101115;
  --a3s-panel-raised: #15171c;
  --a3s-line: #292b31;
  --a3s-line-strong: #3a3d45;
  --a3s-text: #f5f7fa;
  --a3s-muted: #9ca2ad;
  --a3s-faint: #656b76;
  --a3s-max-width: 1440px;
  --a3s-mono:
    'SFMono-Regular', 'Cascadia Code', 'Roboto Mono', Consolas, monospace;
}

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  background: var(--a3s-canvas);
  color: var(--a3s-text);
  font-family:
    Inter,
    ui-sans-serif,
    -apple-system,
    BlinkMacSystemFont,
    'Segoe UI',
    sans-serif;
  text-rendering: optimizeLegibility;
}

::selection {
  background: rgba(108, 163, 255, 0.32);
  color: #fff;
}

.rp-nav {
  border-bottom-color: var(--a3s-line);
  background: rgba(11, 11, 13, 0.88);
  padding-right: max(24px, calc((100vw - var(--a3s-max-width)) / 2 + 24px));
  padding-left: max(24px, calc((100vw - var(--a3s-max-width)) / 2 + 24px));
  backdrop-filter: blur(18px);
}

.rp-nav__title__link {
  gap: 8px;
  letter-spacing: -0.025em;
}

.rp-nav__title__logo {
  min-width: 28px;
  margin-right: 0;
}

.rspress-logo {
  width: 28px;
  height: 28px;
}

.rp-nav__title__link > span {
  font-size: 17px;
  font-weight: 720;
}

.rp-nav-menu__item {
  font-size: 14px;
}

.rp-doc-layout {
  --rp-c-bg: #0b0b0d;
}

.rp-doc h1,
.rp-doc h2,
.rp-doc h3 {
  letter-spacing: -0.025em;
}

.a3s-home,
.a3s-home * {
  box-sizing: border-box;
}

.a3s-home {
  position: relative;
  overflow: clip;
  width: 100%;
  background:
    linear-gradient(rgba(255, 255, 255, 0.021) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.021) 1px, transparent 1px),
    var(--a3s-canvas);
  background-size: 72px 72px;
  color: var(--a3s-text);
}

.a3s-home::before {
  position: absolute;
  z-index: 0;
  top: -360px;
  left: 50%;
  width: 980px;
  height: 660px;
  border-radius: 50%;
  background: rgba(68, 109, 167, 0.16);
  content: '';
  filter: blur(130px);
  pointer-events: none;
  transform: translateX(-12%);
}

.a3s-home a {
  color: inherit;
  text-decoration: none;
}

.a3s-home svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentcolor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.5;
}

.a3s-hero {
  position: relative;
  z-index: 1;
  display: grid;
  max-width: var(--a3s-max-width);
  min-height: 686px;
  margin: 0 auto;
  border-right: 1px solid var(--a3s-line);
  border-bottom: 1px solid var(--a3s-line);
  border-left: 1px solid var(--a3s-line);
  grid-template-columns: minmax(0, 54%) minmax(0, 46%);
}

.a3s-hero-copy {
  display: flex;
  min-width: 0;
  padding: 84px 68px 54px;
  border-right: 1px solid var(--a3s-line);
  flex-direction: column;
}

.a3s-eyebrow,
.a3s-section-eyebrow {
  display: flex;
  color: var(--a3s-muted);
  font-family: var(--a3s-mono);
  font-size: 11px;
  font-weight: 650;
  letter-spacing: 0.12em;
  line-height: 1.4;
}

.a3s-eyebrow {
  align-items: center;
  gap: 10px;
}

.a3s-eyebrow > span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--a3s-green);
  box-shadow: 0 0 18px rgba(60, 207, 145, 0.8);
}

.a3s-hero h1 {
  max-width: 720px;
  margin: 30px 0 22px;
  color: var(--a3s-text);
  font-size: clamp(54px, 5.2vw, 78px);
  font-weight: 680;
  letter-spacing: -0.065em;
  line-height: 0.98;
}

.a3s-hero h1 > span {
  display: block;
  padding-bottom: 6px;
  background: linear-gradient(100deg, #f5f7fa 0%, #8bb6ff 48%, #f0b44d 100%);
  background-clip: text;
  color: transparent;
}

.a3s-hero-subtitle {
  max-width: 650px;
  margin: 0;
  color: var(--a3s-muted);
  font-size: 18px;
  line-height: 1.72;
}

.a3s-hero-actions {
  display: flex;
  margin-top: 32px;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.a3s-button {
  display: inline-flex;
  min-height: 46px;
  padding: 0 19px;
  border: 1px solid var(--a3s-line-strong);
  align-items: center;
  justify-content: center;
  gap: 9px;
  font-size: 14px;
  font-weight: 640;
  transition:
    border-color 180ms ease,
    background 180ms ease,
    color 180ms ease,
    transform 180ms ease;
}

.a3s-button:hover {
  transform: translateY(-1px);
}

.a3s-button--primary {
  position: relative;
  overflow: visible;
  border: 2px solid #6335ff;
  border-radius: 10px;
  background: linear-gradient(180deg, #171a21, #101217);
  color: #f7f8fb !important;
  box-shadow:
    0 0 0 1px rgba(117, 74, 255, 0.26),
    0 10px 28px rgba(0, 0, 0, 0.28);
  isolation: isolate;
}

.a3s-button--primary::before {
  position: absolute;
  z-index: -1;
  border-radius: 13px;
  border: 2px solid rgba(101, 55, 255, 0.42);
  content: '';
  filter: blur(6px);
  inset: -4px;
  pointer-events: none;
}

.a3s-button--primary::after {
  position: absolute;
  border-radius: 7px;
  box-shadow:
    inset 0 1px rgba(255, 255, 255, 0.08),
    inset 0 -1px rgba(0, 0, 0, 0.32);
  content: '';
  inset: 2px;
  pointer-events: none;
}

.a3s-button--primary:hover {
  border-color: #6335ff;
  box-shadow:
    0 0 0 1px rgba(111, 76, 255, 0.38),
    0 0 22px rgba(99, 100, 255, 0.2),
    0 12px 32px rgba(0, 0, 0, 0.34);
}

.a3s-button-orbit {
  position: absolute;
  z-index: 2;
  overflow: visible;
  inset: -2px;
  pointer-events: none;
}

.a3s-button-comet {
  position: absolute;
  top: 0;
  left: 50%;
  width: 30px;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(112, 56, 255, 0.72) 18%,
    #45ddff 52%,
    #fff 80%,
    rgba(255, 255, 255, 0) 100%
  );
  box-shadow:
    0 0 4px rgba(69, 221, 255, 0.95),
    0 0 10px rgba(104, 72, 255, 0.72);
  transform: translate(-50%, -50%);
  transform-origin: center;
  will-change: top, left, transform;
}

.a3s-button-comet::after {
  position: absolute;
  top: 0;
  right: 17%;
  width: 5px;
  height: 3px;
  border-radius: inherit;
  background: #fff;
  box-shadow: 0 0 5px #fff;
  content: '';
}

.a3s-button--primary:hover .a3s-button-comet,
.a3s-button--primary:focus-visible .a3s-button-comet {
  animation: a3s-button-comet-orbit 1.35s linear infinite;
}

.a3s-button--primary:focus-visible {
  outline: 2px solid #d9e7ff;
  outline-offset: 4px;
}

@keyframes a3s-button-comet-orbit {
  0% {
    top: 0;
    left: 50%;
    transform: translate(-50%, -50%) rotate(0deg);
  }

  16% {
    top: 0;
    left: calc(100% - 11px);
    transform: translate(-50%, -50%) rotate(0deg);
  }

  21% {
    top: 11px;
    left: 100%;
    transform: translate(-50%, -50%) rotate(90deg);
  }

  31% {
    top: calc(100% - 11px);
    left: 100%;
    transform: translate(-50%, -50%) rotate(90deg);
  }

  36% {
    top: 100%;
    left: calc(100% - 11px);
    transform: translate(-50%, -50%) rotate(180deg);
  }

  66% {
    top: 100%;
    left: 11px;
    transform: translate(-50%, -50%) rotate(180deg);
  }

  71% {
    top: calc(100% - 11px);
    left: 0;
    transform: translate(-50%, -50%) rotate(270deg);
  }

  81% {
    top: 11px;
    left: 0;
    transform: translate(-50%, -50%) rotate(270deg);
  }

  86% {
    top: 0;
    left: 11px;
    transform: translate(-50%, -50%) rotate(360deg);
  }

  100% {
    top: 0;
    left: 50%;
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

.a3s-button--secondary {
  background: rgba(255, 255, 255, 0.025);
  color: var(--a3s-text);
}

.a3s-button--secondary:hover {
  border-color: #5a5e68;
  background: rgba(255, 255, 255, 0.055);
}

.a3s-button--secondary svg:first-child {
  width: 17px;
  height: 17px;
  fill: currentcolor;
  stroke: none;
}

.a3s-install {
  position: relative;
  min-width: 0;
  max-width: 660px;
  width: 100%;
  margin-top: auto;
  padding-top: 44px;
}

.a3s-install-tabs {
  display: flex;
  overflow-x: auto;
  max-width: 100%;
  width: fit-content;
  border: 1px solid var(--a3s-line);
  border-bottom: 0;
  background: rgba(11, 11, 13, 0.85);
  scrollbar-width: thin;
}

.a3s-install-tabs button {
  flex: 0 0 auto;
  min-height: 36px;
  padding: 0 15px;
  border: 0;
  border-right: 1px solid var(--a3s-line);
  background: transparent;
  color: var(--a3s-faint);
  cursor: pointer;
  font-family: var(--a3s-mono);
  font-size: 11px;
  letter-spacing: 0.035em;
}

.a3s-install-tabs button:last-child {
  border-right: 0;
}

.a3s-install-tabs button:hover,
.a3s-install-tabs button.is-active {
  background: #17191e;
  color: var(--a3s-text);
}

.a3s-command {
  position: relative;
  display: flex;
  min-height: 92px;
  padding: 18px 118px 18px 20px;
  border: 1px solid var(--a3s-line);
  background:
    linear-gradient(90deg, rgba(108, 163, 255, 0.045), transparent 45%), #101115;
  align-items: center;
}

.a3s-command::before {
  margin-right: 12px;
  color: var(--a3s-green);
  content: '$';
  font-family: var(--a3s-mono);
  font-size: 13px;
}

.a3s-command pre {
  overflow: auto;
  min-width: 0;
  max-width: 100%;
  margin: 0;
  color: #dce2ec;
  font-family: var(--a3s-mono);
  font-size: 12px;
  line-height: 1.65;
  overflow-wrap: anywhere;
  white-space: pre-wrap;
}

.a3s-copy-button {
  position: absolute;
  top: 50%;
  right: 15px;
  display: flex;
  min-width: 84px;
  min-height: 34px;
  border: 1px solid var(--a3s-line);
  background: #17191e;
  color: var(--a3s-muted);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  gap: 7px;
  font-family: inherit;
  font-size: 12px;
  transform: translateY(-50%);
}

.a3s-copy-button:hover {
  border-color: var(--a3s-line-strong);
  color: var(--a3s-text);
}

.a3s-install-locale {
  position: absolute;
  right: 8px;
  bottom: -26px;
  color: #454a54;
  font-family: var(--a3s-mono);
  font-size: 9px;
  letter-spacing: 0.18em;
}

.a3s-hero-visual {
  position: relative;
  display: flex;
  overflow: hidden;
  min-width: 0;
  padding: 54px;
  background:
    radial-gradient(
      circle at 50% 40%,
      rgba(68, 109, 167, 0.16),
      transparent 46%
    ),
    rgba(7, 8, 10, 0.58);
  align-items: center;
  justify-content: center;
}

.a3s-hero-visual::before,
.a3s-hero-visual::after {
  position: absolute;
  width: 140px;
  height: 140px;
  border-color: rgba(108, 163, 255, 0.22);
  border-style: solid;
  content: '';
}

.a3s-hero-visual::before {
  top: 20px;
  right: 20px;
  border-width: 1px 1px 0 0;
}

.a3s-hero-visual::after {
  bottom: 20px;
  left: 20px;
  border-width: 0 0 1px 1px;
}

.a3s-runtime-visual {
  position: relative;
  width: min(100%, 520px);
  min-height: 558px;
  padding: 0 26px 26px;
  border: 1px solid #343841;
  background: rgba(13, 14, 18, 0.94);
  box-shadow:
    0 35px 90px rgba(0, 0, 0, 0.38),
    inset 0 0 0 1px rgba(255, 255, 255, 0.018);
}

.a3s-runtime-grid {
  position: absolute;
  z-index: 0;
  inset: 48px 0 0;
  opacity: 0.5;
  background:
    linear-gradient(rgba(108, 163, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(108, 163, 255, 0.04) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
}

.a3s-runtime-heading {
  position: relative;
  z-index: 1;
  display: flex;
  height: 48px;
  margin: 0 -26px 22px;
  padding: 0 17px;
  border-bottom: 1px solid var(--a3s-line);
  color: #ced3dc;
  align-items: center;
  gap: 9px;
  font-family: var(--a3s-mono);
  font-size: 10px;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.a3s-runtime-heading > span:last-child {
  margin-left: auto;
  color: #555b67;
  font-size: 8px;
}

.a3s-runtime-status {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--a3s-green);
  box-shadow: 0 0 12px rgba(60, 207, 145, 0.7);
}

.a3s-runtime-surfaces {
  position: relative;
  z-index: 1;
  display: grid;
  border: 1px solid var(--a3s-line);
  background: #111319;
  grid-template-columns: repeat(4, 1fr);
}

.a3s-runtime-surfaces span {
  padding: 11px 5px;
  border-right: 1px solid var(--a3s-line);
  color: #808691;
  font-family: var(--a3s-mono);
  font-size: 9px;
  text-align: center;
}

.a3s-runtime-surfaces span:last-child {
  border-right: 0;
}

.a3s-runtime-connector {
  position: relative;
  z-index: 1;
  width: 1px;
  height: 18px;
  margin: 0 auto;
  background: #434852;
}

.a3s-runtime-connector::after {
  position: absolute;
  bottom: -1px;
  left: -3px;
  width: 7px;
  height: 7px;
  border-right: 1px solid #69717e;
  border-bottom: 1px solid #69717e;
  content: '';
  transform: rotate(45deg);
}

.a3s-runtime-session {
  position: relative;
  z-index: 1;
  display: flex;
  min-height: 58px;
  padding: 0 16px;
  border: 1px solid var(--a3s-blue-deep);
  background:
    linear-gradient(90deg, rgba(108, 163, 255, 0.11), transparent), #11151d;
  align-items: center;
}

.a3s-runtime-session span {
  font-family: var(--a3s-mono);
  font-size: 13px;
  font-weight: 700;
}

.a3s-runtime-session small {
  margin-left: auto;
  color: #71809a;
  font-family: var(--a3s-mono);
  font-size: 9px;
}

.a3s-runtime-arrow {
  position: relative;
  z-index: 1;
  display: flex;
  height: 37px;
  color: #5e6470;
  align-items: center;
  justify-content: center;
  font-family: var(--a3s-mono);
  font-size: 8px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.a3s-runtime-arrow::before {
  position: absolute;
  left: 50%;
  width: 1px;
  height: 100%;
  background: #434852;
  content: '';
}

.a3s-runtime-arrow::after {
  position: absolute;
  bottom: 2px;
  left: calc(50% - 3px);
  width: 7px;
  height: 7px;
  border-right: 1px solid #69717e;
  border-bottom: 1px solid #69717e;
  content: '';
  transform: rotate(45deg);
}

.a3s-runtime-arrow span {
  z-index: 1;
  padding: 2px 7px;
  background: #0d0e12;
}

.a3s-runtime-model {
  position: relative;
  z-index: 1;
  width: 54%;
  min-height: 46px;
  margin: 0 auto;
  padding: 14px 10px;
  border: 1px solid #3f5f8f;
  background: #121a27;
  color: #cfe0ff;
  font-family: var(--a3s-mono);
  font-size: 11px;
  font-weight: 650;
  text-align: center;
}

.a3s-runtime-guard {
  position: relative;
  z-index: 1;
  display: flex;
  min-height: 72px;
  margin-top: 18px;
  padding: 11px 14px;
  border: 1px solid #745a2e;
  background:
    linear-gradient(90deg, rgba(240, 180, 77, 0.08), transparent), #17150f;
  flex-direction: column;
  justify-content: center;
}

.a3s-runtime-guard > span {
  color: #f3ca81;
  font-family: var(--a3s-mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.a3s-runtime-guard code {
  margin-top: 7px;
  color: #aaa18e;
  font-family: var(--a3s-mono);
  font-size: 8px;
  line-height: 1.6;
}

.a3s-runtime-arrow--result {
  height: 33px;
}

.a3s-runtime-events {
  position: relative;
  z-index: 1;
  display: grid;
  border: 1px solid #315f4e;
  background: #0e1714;
  grid-template-columns: 1fr 1fr;
}

.a3s-runtime-events > div {
  display: flex;
  min-width: 0;
  min-height: 56px;
  padding: 10px 12px;
  flex-direction: column;
  justify-content: center;
}

.a3s-runtime-events > div:first-child {
  border-right: 1px solid #315f4e;
}

.a3s-runtime-events strong {
  color: #aee9cf;
  font-family: var(--a3s-mono);
  font-size: 10px;
}

.a3s-runtime-events small {
  overflow: hidden;
  margin-top: 4px;
  color: #648978;
  font-family: var(--a3s-mono);
  font-size: 8px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.a3s-runtime-corner {
  position: absolute;
  width: 12px;
  height: 12px;
  border-color: var(--a3s-blue);
  border-style: solid;
}

.a3s-runtime-corner--top {
  top: -5px;
  left: -5px;
  border-width: 1px 0 0 1px;
}

.a3s-runtime-corner--bottom {
  right: -5px;
  bottom: -5px;
  border-width: 0 1px 1px 0;
}

.a3s-surface-strip {
  position: relative;
  z-index: 1;
  display: grid;
  max-width: var(--a3s-max-width);
  min-height: 112px;
  margin: 0 auto;
  border-right: 1px solid var(--a3s-line);
  border-bottom: 1px solid var(--a3s-line);
  border-left: 1px solid var(--a3s-line);
  background: rgba(11, 11, 13, 0.82);
  grid-template-columns: 1.4fr repeat(4, 1fr);
}

.a3s-surface-strip > * {
  border-right: 1px solid var(--a3s-line);
}

.a3s-surface-strip > *:last-child {
  border-right: 0;
}

.a3s-surface-strip-label {
  display: flex;
  padding: 24px 30px;
  color: var(--a3s-muted);
  align-items: center;
  font-family: var(--a3s-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  line-height: 1.6;
  text-transform: uppercase;
}

.a3s-surface-strip > a {
  position: relative;
  display: flex;
  padding: 23px 22px;
  flex-direction: column;
  justify-content: center;
  transition: background 180ms ease;
}

.a3s-surface-strip > a:hover {
  background: rgba(108, 163, 255, 0.05);
}

.a3s-surface-strip > a > span {
  color: var(--a3s-faint);
  font-family: var(--a3s-mono);
  font-size: 9px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.a3s-surface-strip > a > strong {
  overflow: hidden;
  margin-top: 7px;
  color: #d9dde5;
  font-family: var(--a3s-mono);
  font-size: 11px;
  font-weight: 560;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.a3s-surface-strip > a > svg {
  position: absolute;
  top: 18px;
  right: 17px;
  width: 13px;
  height: 13px;
  color: #555b66;
}

.a3s-section {
  position: relative;
  z-index: 1;
  max-width: var(--a3s-max-width);
  margin: 0 auto;
  border-right: 1px solid var(--a3s-line);
  border-bottom: 1px solid var(--a3s-line);
  border-left: 1px solid var(--a3s-line);
  background: rgba(11, 11, 13, 0.78);
}

.a3s-section-header {
  display: grid;
  min-height: 285px;
  padding: 80px 68px 64px;
  border-bottom: 1px solid var(--a3s-line);
  align-items: end;
  gap: 60px;
  grid-template-columns: minmax(0, 1.1fr) minmax(300px, 0.9fr);
}

.a3s-section-header h2,
.a3s-architecture-copy h2,
.a3s-boundaries-copy h2,
.a3s-cta h2 {
  max-width: 780px;
  margin: 18px 0 0;
  color: var(--a3s-text);
  font-size: clamp(40px, 4vw, 58px);
  font-weight: 620;
  letter-spacing: -0.055em;
  line-height: 1.04;
}

.a3s-section-header > p,
.a3s-architecture-copy > p,
.a3s-cta p {
  max-width: 570px;
  margin: 0;
  color: var(--a3s-muted);
  font-size: 16px;
  line-height: 1.75;
}

.a3s-feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.a3s-feature-card {
  position: relative;
  display: flex;
  min-height: 390px;
  padding: 34px 28px 28px;
  border-right: 1px solid var(--a3s-line);
  flex-direction: column;
  transition:
    background 220ms ease,
    transform 220ms ease;
}

.a3s-feature-card:last-child {
  border-right: 0;
}

.a3s-feature-card:hover {
  background:
    linear-gradient(180deg, rgba(108, 163, 255, 0.06), transparent 68%), #0f1014;
}

.a3s-feature-number {
  color: #535964;
  font-family: var(--a3s-mono);
  font-size: 10px;
}

.a3s-feature-card h3 {
  min-height: 58px;
  margin: 72px 0 18px;
  color: #e8ebf1;
  font-size: 21px;
  font-weight: 590;
  letter-spacing: -0.035em;
  line-height: 1.32;
}

.a3s-feature-card p {
  margin: 0;
  color: #858b96;
  font-size: 13px;
  line-height: 1.72;
}

.a3s-tag-row {
  display: flex;
  margin-top: auto;
  padding-top: 28px;
  flex-wrap: wrap;
  gap: 6px;
}

.a3s-tag-row > span {
  padding: 5px 7px;
  border: 1px solid var(--a3s-line);
  background: rgba(255, 255, 255, 0.018);
  color: #686e78;
  font-family: var(--a3s-mono);
  font-size: 8px;
  letter-spacing: 0.035em;
}

.a3s-architecture {
  display: grid;
  min-height: 760px;
  grid-template-columns: 0.76fr 1.24fr;
}

.a3s-architecture-copy {
  display: flex;
  padding: 78px 52px 58px 68px;
  border-right: 1px solid var(--a3s-line);
  flex-direction: column;
  justify-content: center;
}

.a3s-architecture-copy h2 {
  font-size: clamp(40px, 3.6vw, 54px);
}

.a3s-architecture-copy > p {
  margin-top: 28px;
  font-size: 15px;
}

.a3s-architecture-copy > a,
.a3s-boundaries-copy > a {
  display: inline-flex;
  width: fit-content;
  margin-top: 32px;
  padding-bottom: 6px;
  border-bottom: 1px solid #555b65;
  color: #d7dbe3;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
}

.a3s-architecture-copy > a:hover,
.a3s-boundaries-copy > a:hover {
  border-color: var(--a3s-blue);
  color: #fff;
}

.a3s-architecture-frame {
  position: relative;
  display: block;
  overflow: hidden;
  padding: 0;
  background:
    linear-gradient(rgba(108, 163, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(108, 163, 255, 0.035) 1px, transparent 1px),
    #0e0f13;
  background-size: 36px 36px;
}

.a3s-architecture-frame::before {
  position: absolute;
  width: 430px;
  height: 250px;
  border-radius: 50%;
  background: rgba(68, 109, 167, 0.12);
  content: '';
  filter: blur(80px);
  inset: 50% auto auto 50%;
  transform: translate(-50%, -50%);
}

.a3s-layered-runtime {
  position: relative;
  z-index: 1;
  min-height: 100%;
}

.a3s-stack-toolbar {
  display: flex;
  height: 48px;
  padding: 0 20px;
  border-bottom: 1px solid var(--a3s-line);
  color: #5e6470;
  align-items: center;
  justify-content: space-between;
  font-family: var(--a3s-mono);
  font-size: 9px;
  letter-spacing: 0.08em;
}

.a3s-stack-toolbar > span:last-child {
  display: flex;
  align-items: center;
  gap: 8px;
}

.a3s-stack-toolbar i {
  display: block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--a3s-green);
  box-shadow: 0 0 10px rgba(60, 207, 145, 0.55);
}

.a3s-stack-stage {
  position: relative;
  height: 500px;
  width: 100%;
  perspective: 1100px;
  perspective-origin: 50% 42%;
}

.a3s-stack-stage::before {
  position: absolute;
  bottom: 50px;
  left: 50%;
  width: 430px;
  height: 110px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.52);
  content: '';
  filter: blur(28px);
  transform: translateX(-50%);
}

.a3s-stack-axis {
  position: absolute;
  z-index: 2;
  top: 48px;
  right: 22px;
  bottom: 45px;
  display: flex;
  width: 14px;
  color: #4f5560;
  align-items: center;
  flex-direction: column;
  font-family: var(--a3s-mono);
  font-size: 7px;
  letter-spacing: 0.12em;
  writing-mode: vertical-rl;
}

.a3s-stack-axis i {
  width: 1px;
  margin: 12px 0;
  background: linear-gradient(var(--a3s-blue), var(--a3s-amber));
  flex: 1;
}

.a3s-stack-layer {
  position: absolute;
  z-index: calc(30 - var(--layer-index));
  top: 28px;
  left: 50%;
  width: 286px;
  height: 160px;
  padding: 0;
  border: 0;
  background: transparent;
  color: #bac1cd;
  cursor: pointer;
  font-family: inherit;
  outline: none;
  transform: translate3d(-50%, calc(var(--layer-index) * 55px), 0)
    rotateX(58deg) rotateZ(-42deg);
  transform-style: preserve-3d;
  transition:
    filter 220ms ease,
    transform 260ms cubic-bezier(0.2, 0.75, 0.25, 1);
}

.a3s-stack-layer::before {
  position: absolute;
  z-index: -1;
  right: 7px;
  bottom: -10px;
  left: -7px;
  height: 20px;
  border: 1px solid #353943;
  background: #121319;
  content: '';
  transform: translateZ(-6px);
}

.a3s-stack-layer::after {
  position: absolute;
  z-index: -2;
  inset: 8px;
  background: rgba(108, 163, 255, 0.12);
  content: '';
  filter: blur(18px);
  opacity: 0;
  transform: translateZ(-12px);
  transition: opacity 220ms ease;
}

.a3s-stack-layer.is-active,
.a3s-stack-layer:hover,
.a3s-stack-layer:focus-visible {
  z-index: 40;
  filter: brightness(1.22);
  transform: translate3d(-50%, calc(var(--layer-index) * 55px - 13px), 38px)
    rotateX(58deg) rotateZ(-42deg) scale(1.035);
}

.a3s-stack-layer.is-active::after,
.a3s-stack-layer:hover::after,
.a3s-stack-layer:focus-visible::after {
  opacity: 1;
}

.a3s-stack-layer:focus-visible .a3s-stack-layer-face {
  outline: 2px solid #d6e4ff;
  outline-offset: 4px;
}

.a3s-stack-layer-face {
  position: absolute;
  display: flex;
  border: 1px solid #414650;
  background:
    linear-gradient(135deg, rgba(108, 163, 255, 0.13), transparent 55%), #12151b;
  inset: 0;
  align-items: flex-start;
  flex-direction: column;
  justify-content: flex-end;
  padding: 18px 20px;
  text-align: left;
  transform: translateZ(5px);
}

.a3s-stack-layer-face::before {
  position: absolute;
  border: 1px solid rgba(255, 255, 255, 0.04);
  content: '';
  inset: 8px;
}

.a3s-stack-layer:nth-of-type(1) .a3s-stack-layer-face {
  border-color: #4a70a9;
  background:
    linear-gradient(135deg, rgba(108, 163, 255, 0.2), transparent 57%), #111723;
}

.a3s-stack-layer:nth-of-type(2) .a3s-stack-layer-face {
  border-color: #3a465a;
  background:
    linear-gradient(135deg, rgba(85, 111, 154, 0.15), transparent), #12151b;
}

.a3s-stack-layer:nth-of-type(3) .a3s-stack-layer-face {
  border-color: #56627a;
  background:
    linear-gradient(135deg, rgba(119, 151, 205, 0.16), transparent), #131720;
}

.a3s-stack-layer:nth-of-type(4) .a3s-stack-layer-face {
  border-color: #89672e;
  background:
    linear-gradient(135deg, rgba(240, 180, 77, 0.2), transparent), #1b170f;
}

.a3s-stack-layer:nth-of-type(5) .a3s-stack-layer-face {
  border-color: #356a56;
  background:
    linear-gradient(135deg, rgba(60, 207, 145, 0.13), transparent), #101814;
}

.a3s-stack-layer:nth-of-type(6) .a3s-stack-layer-face {
  border-color: #3f5f8f;
  background:
    linear-gradient(135deg, rgba(108, 163, 255, 0.14), transparent), #10151d;
}

.a3s-stack-layer-face small {
  color: #737b88;
  font-family: var(--a3s-mono);
  font-size: 8px;
  letter-spacing: 0.1em;
}

.a3s-stack-layer-face strong {
  max-width: 220px;
  margin-top: 6px;
  color: #e3e8f0;
  font-family: var(--a3s-mono);
  font-size: 12px;
  font-weight: 650;
}

.a3s-stack-layer-face > i {
  position: absolute;
  top: 17px;
  right: 17px;
  width: 8px;
  height: 8px;
  border: 1px solid currentcolor;
  border-radius: 50%;
  color: var(--a3s-blue);
  box-shadow: 0 0 12px rgba(108, 163, 255, 0.45);
}

.a3s-stack-label {
  position: absolute;
  z-index: 50;
  top: calc(71px + var(--layer-index) * 55px);
  display: flex;
  width: 126px;
  color: #545b67;
  align-items: center;
  gap: 8px;
  font-family: var(--a3s-mono);
  font-size: 7px;
  letter-spacing: 0.08em;
  transition: color 180ms ease;
}

.a3s-stack-label--left {
  left: 16px;
}

.a3s-stack-label--right {
  right: 34px;
  flex-direction: row-reverse;
  text-align: right;
}

.a3s-stack-label i {
  height: 1px;
  background: #393e48;
  flex: 1;
}

.a3s-stack-label.is-active {
  color: #d0d8e5;
}

.a3s-stack-label.is-active i {
  background: var(--a3s-blue);
  box-shadow: 0 0 8px rgba(108, 163, 255, 0.35);
}

.a3s-stack-detail {
  position: relative;
  z-index: 60;
  display: grid;
  min-height: 168px;
  padding: 25px 24px;
  border-top: 1px solid var(--a3s-line);
  background:
    linear-gradient(90deg, rgba(108, 163, 255, 0.055), transparent 42%),
    rgba(11, 12, 15, 0.95);
  gap: 18px;
  grid-template-columns: 42px minmax(0, 1fr) 138px;
}

.a3s-stack-detail-index {
  padding-top: 2px;
  color: #4f5662;
  font-family: var(--a3s-mono);
  font-size: 10px;
}

.a3s-stack-detail > div:nth-child(2) > span {
  color: var(--a3s-blue);
  font-family: var(--a3s-mono);
  font-size: 8px;
  font-weight: 650;
  letter-spacing: 0.09em;
}

.a3s-stack-detail h3 {
  margin: 6px 0 7px;
  color: #e4e8ef;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.025em;
}

.a3s-stack-detail p {
  max-width: 520px;
  margin: 0;
  color: #828995;
  font-size: 11px;
  line-height: 1.62;
}

.a3s-stack-detail-tags {
  display: flex;
  align-content: flex-start;
  flex-wrap: wrap;
  gap: 5px;
}

.a3s-stack-detail-tags span {
  height: fit-content;
  padding: 5px 6px;
  border: 1px solid #2e323a;
  color: #68707d;
  font-family: var(--a3s-mono);
  font-size: 7px;
}

.a3s-bento-grid {
  display: grid;
  padding: 1px 0 0 1px;
  background: var(--a3s-line);
  gap: 1px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.a3s-bento-card {
  position: relative;
  display: flex;
  overflow: hidden;
  min-height: 320px;
  margin: 0;
  padding: 33px 30px 28px;
  background: #0d0e11;
  flex-direction: column;
}

.a3s-bento-card::after {
  position: absolute;
  right: -90px;
  bottom: -110px;
  width: 230px;
  height: 230px;
  border: 1px solid rgba(108, 163, 255, 0.12);
  border-radius: 50%;
  content: '';
  box-shadow:
    0 0 0 32px rgba(108, 163, 255, 0.025),
    0 0 0 64px rgba(108, 163, 255, 0.016);
  pointer-events: none;
}

.a3s-bento-card--wide {
  grid-column: span 2;
}

.a3s-bento-card--policy {
  min-height: 350px;
  background:
    linear-gradient(120deg, rgba(108, 163, 255, 0.09), transparent 55%), #0e1015;
}

.a3s-bento-card--models::after {
  border-color: rgba(240, 180, 77, 0.2);
  box-shadow:
    0 0 0 32px rgba(240, 180, 77, 0.025),
    0 0 0 64px rgba(240, 180, 77, 0.012);
}

.a3s-bento-card--state {
  background:
    linear-gradient(150deg, rgba(60, 207, 145, 0.06), transparent 60%), #0d0f11;
}

.a3s-bento-card--workspace {
  background:
    linear-gradient(120deg, rgba(68, 109, 167, 0.08), transparent), #0e0f13;
}

.a3s-bento-card > span:first-child {
  color: #626874;
  font-family: var(--a3s-mono);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.09em;
}

.a3s-bento-card h3 {
  position: relative;
  z-index: 1;
  max-width: 540px;
  margin: 52px 0 15px;
  color: #e5e8ee;
  font-size: 22px;
  font-weight: 590;
  letter-spacing: -0.035em;
  line-height: 1.3;
}

.a3s-bento-card--wide h3 {
  font-size: 28px;
}

.a3s-bento-card p {
  position: relative;
  z-index: 1;
  max-width: 600px;
  margin: 0;
  color: #858b96;
  font-size: 13px;
  line-height: 1.72;
}

.a3s-bento-card .a3s-tag-row {
  position: relative;
  z-index: 1;
}

.a3s-surfaces {
  border-bottom: 0;
}

.a3s-surface-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.a3s-surface-card {
  display: flex;
  min-height: 350px;
  padding: 30px 28px 28px;
  border-right: 1px solid var(--a3s-line);
  flex-direction: column;
}

.a3s-surface-card:last-child {
  border-right: 0;
}

.a3s-surface-card-heading {
  display: flex;
  color: var(--a3s-faint);
  align-items: center;
  justify-content: space-between;
  font-family: var(--a3s-mono);
  font-size: 9px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.a3s-surface-card-heading a {
  display: flex;
  width: 30px;
  height: 30px;
  border: 1px solid var(--a3s-line);
  align-items: center;
  justify-content: center;
}

.a3s-surface-card-heading a:hover {
  border-color: var(--a3s-line-strong);
  background: #17191e;
  color: #fff;
}

.a3s-surface-card h3 {
  overflow-wrap: anywhere;
  margin: 70px 0 18px;
  color: #e6e9ef;
  font-family: var(--a3s-mono);
  font-size: 18px;
  font-weight: 580;
}

.a3s-surface-card p {
  margin: 0;
  color: #858b96;
  font-size: 13px;
  line-height: 1.7;
}

.a3s-surface-card > code {
  overflow: hidden;
  margin-top: auto;
  padding: 11px 12px;
  border: 1px solid var(--a3s-line);
  background: #101115;
  color: #989faa;
  font-family: var(--a3s-mono);
  font-size: 9px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.a3s-boundaries {
  display: grid;
  min-height: 600px;
  grid-template-columns: 1.05fr 0.95fr;
}

.a3s-boundaries-art {
  position: relative;
  display: flex;
  overflow: hidden;
  padding: 70px;
  border-right: 1px solid var(--a3s-line);
  background:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    #0c0d10;
  background-size: 28px 28px;
  align-items: center;
  justify-content: center;
}

.a3s-boundary-core,
.a3s-boundary-host {
  position: relative;
  z-index: 1;
  display: flex;
  width: 200px;
  height: 200px;
  border: 1px solid;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  font-family: var(--a3s-mono);
}

.a3s-boundary-core {
  border-color: #446da7;
  background:
    radial-gradient(circle at center, rgba(108, 163, 255, 0.13), transparent),
    #10141c;
  color: #b7d0fa;
  box-shadow: 0 0 70px rgba(68, 109, 167, 0.16);
}

.a3s-boundary-host {
  border-color: #73592c;
  background:
    radial-gradient(circle at center, rgba(240, 180, 77, 0.1), transparent),
    #17140e;
  color: #e8c37f;
}

.a3s-boundary-core span,
.a3s-boundary-host span {
  color: #6c7280;
  font-size: 9px;
  letter-spacing: 0.15em;
}

.a3s-boundary-core strong,
.a3s-boundary-host strong {
  margin-top: 9px;
  font-size: 18px;
  letter-spacing: 0.04em;
}

.a3s-boundary-line {
  position: relative;
  z-index: 2;
  width: 120px;
  height: 1px;
  background: linear-gradient(90deg, #446da7, #73592c);
}

.a3s-boundary-line::before,
.a3s-boundary-line::after {
  position: absolute;
  top: -4px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  content: '';
}

.a3s-boundary-line::before {
  left: -2px;
  background: var(--a3s-blue);
}

.a3s-boundary-line::after {
  right: -2px;
  background: var(--a3s-amber);
}

.a3s-boundary-line span {
  position: absolute;
  bottom: 12px;
  left: 50%;
  width: 130px;
  color: #626873;
  font-family: var(--a3s-mono);
  font-size: 8px;
  letter-spacing: 0.08em;
  text-align: center;
  text-transform: uppercase;
  transform: translateX(-50%);
}

.a3s-boundaries-copy {
  display: flex;
  padding: 78px 68px;
  flex-direction: column;
  justify-content: center;
}

.a3s-boundaries-copy h2 {
  font-size: clamp(40px, 3.6vw, 54px);
}

.a3s-boundaries-copy ul {
  display: grid;
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
  gap: 17px;
}

.a3s-boundaries-copy li {
  position: relative;
  padding-left: 21px;
  color: #9298a3;
  font-size: 14px;
  line-height: 1.68;
}

.a3s-boundaries-copy li::before {
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 7px;
  height: 1px;
  background: var(--a3s-blue);
  content: '';
}

.a3s-cta {
  position: relative;
  z-index: 1;
  display: grid;
  max-width: var(--a3s-max-width);
  min-height: 400px;
  margin: 0 auto;
  padding: 78px 68px;
  border-right: 1px solid var(--a3s-line);
  border-bottom: 1px solid var(--a3s-line);
  border-left: 1px solid var(--a3s-line);
  overflow: hidden;
  background:
    radial-gradient(
      circle at 80% 50%,
      rgba(108, 163, 255, 0.13),
      transparent 35%
    ),
    linear-gradient(120deg, #101218, #0c0d10 60%);
  align-items: end;
  gap: 50px;
  grid-template-columns: 1.2fr 0.8fr;
}

.a3s-cta::after {
  position: absolute;
  top: -130px;
  right: -120px;
  width: 460px;
  height: 460px;
  border: 1px solid rgba(108, 163, 255, 0.15);
  border-radius: 50%;
  content: '';
  box-shadow:
    0 0 0 60px rgba(108, 163, 255, 0.025),
    0 0 0 120px rgba(108, 163, 255, 0.012);
}

.a3s-cta > * {
  position: relative;
  z-index: 1;
}

.a3s-cta p {
  margin-top: 26px;
}

.a3s-cta-actions {
  display: flex;
  padding-bottom: 5px;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 10px;
}

.a3s-home-footer {
  position: relative;
  z-index: 1;
  display: grid;
  max-width: var(--a3s-max-width);
  min-height: 120px;
  margin: 0 auto;
  padding: 30px 32px;
  border-right: 1px solid var(--a3s-line);
  border-left: 1px solid var(--a3s-line);
  color: #656b76;
  align-items: center;
  gap: 20px;
  grid-template-columns: 1fr 2fr 1fr;
  font-family: var(--a3s-mono);
  font-size: 9px;
  letter-spacing: 0.04em;
}

.a3s-home-footer > a:first-child {
  color: #d8dce4;
  font-family: inherit;
  font-size: 12px;
  font-weight: 700;
}

.a3s-home-footer > span {
  text-align: center;
}

.a3s-home-footer > a:last-child {
  justify-self: end;
}

@media (max-width: 1180px) {
  .a3s-hero-copy {
    padding: 70px 45px 46px;
  }

  .a3s-hero-visual {
    padding: 38px;
  }

  .a3s-section-header {
    padding-right: 45px;
    padding-left: 45px;
  }

  .a3s-feature-grid,
  .a3s-surface-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .a3s-feature-card,
  .a3s-surface-card {
    border-bottom: 1px solid var(--a3s-line);
  }

  .a3s-feature-card:nth-child(2),
  .a3s-feature-card:nth-child(4),
  .a3s-surface-card:nth-child(2),
  .a3s-surface-card:nth-child(4) {
    border-right: 0;
  }

  .a3s-feature-card:nth-child(n + 3),
  .a3s-surface-card:nth-child(n + 3) {
    border-bottom: 0;
  }

  .a3s-architecture-copy,
  .a3s-boundaries-copy {
    padding-right: 45px;
    padding-left: 45px;
  }

  .a3s-boundaries-art {
    padding: 45px 30px;
  }

  .a3s-boundary-core,
  .a3s-boundary-host {
    width: 160px;
    height: 160px;
  }

  .a3s-boundary-line {
    width: 70px;
  }
}

@media (max-width: 920px) {
  .a3s-hero {
    grid-template-columns: 1fr;
  }

  .a3s-hero-copy {
    min-height: 650px;
    border-right: 0;
    border-bottom: 1px solid var(--a3s-line);
  }

  .a3s-hero-visual {
    min-height: 670px;
  }

  .a3s-surface-strip {
    grid-template-columns: repeat(2, 1fr);
  }

  .a3s-surface-strip-label {
    min-height: 88px;
    border-bottom: 1px solid var(--a3s-line);
    grid-column: 1 / -1;
  }

  .a3s-surface-strip > a {
    min-height: 92px;
    border-bottom: 1px solid var(--a3s-line);
  }

  .a3s-surface-strip > a:nth-child(3),
  .a3s-surface-strip > a:nth-child(5) {
    border-right: 0;
  }

  .a3s-surface-strip > a:nth-child(n + 4) {
    border-bottom: 0;
  }

  .a3s-section-header {
    min-height: 0;
    padding-top: 64px;
    padding-bottom: 55px;
    gap: 30px;
    grid-template-columns: 1fr;
  }

  .a3s-section-header > p {
    max-width: 680px;
  }

  .a3s-architecture,
  .a3s-boundaries {
    grid-template-columns: 1fr;
  }

  .a3s-architecture-copy,
  .a3s-boundaries-art {
    min-height: 470px;
    border-right: 0;
    border-bottom: 1px solid var(--a3s-line);
  }

  .a3s-architecture-copy {
    min-height: 420px;
  }

  .a3s-architecture-frame {
    min-height: 716px;
  }

  .a3s-bento-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .a3s-bento-card--wide {
    grid-column: span 2;
  }

  .a3s-boundaries-copy {
    min-height: 480px;
  }

  .a3s-cta {
    padding-right: 45px;
    padding-left: 45px;
    align-items: center;
    grid-template-columns: 1fr;
  }

  .a3s-cta-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 640px) {
  :root {
    --rp-nav-height: 64px;
  }

  .rp-nav {
    padding-right: 16px;
    padding-left: 16px;
  }

  .a3s-home {
    background-size: 48px 48px;
  }

  .a3s-hero-copy {
    min-height: 680px;
    padding: 54px 24px 40px;
  }

  .a3s-hero h1 {
    margin-top: 24px;
    font-size: 49px;
  }

  .a3s-hero-subtitle {
    font-size: 16px;
  }

  .a3s-hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .a3s-button {
    width: 100%;
  }

  .a3s-install {
    padding-top: 34px;
  }

  .a3s-install-tabs {
    width: 100%;
  }

  .a3s-install-tabs button {
    min-width: 0;
    padding: 0 11px;
    font-size: 9.5px;
  }

  .a3s-command {
    min-height: 112px;
    padding: 16px 54px 16px 14px;
  }

  .a3s-copy-button {
    right: 10px;
    min-width: 34px;
    padding: 0;
    font-size: 0;
  }

  .a3s-copy-button span {
    font-size: 14px;
  }

  .a3s-hero-visual {
    min-height: 590px;
    padding: 28px 19px;
  }

  .a3s-runtime-visual {
    min-height: 520px;
    padding-right: 17px;
    padding-left: 17px;
  }

  .a3s-runtime-heading {
    margin-right: -17px;
    margin-left: -17px;
  }

  .a3s-runtime-surfaces span {
    font-size: 7px;
  }

  .a3s-runtime-session small {
    display: none;
  }

  .a3s-runtime-guard code {
    font-size: 7px;
  }

  .a3s-surface-strip {
    grid-template-columns: 1fr;
  }

  .a3s-surface-strip > a,
  .a3s-surface-strip > a:nth-child(n) {
    min-height: 82px;
    border-right: 0;
    border-bottom: 1px solid var(--a3s-line);
  }

  .a3s-surface-strip > a:last-child {
    border-bottom: 0;
  }

  .a3s-section-header {
    padding: 58px 24px 48px;
  }

  .a3s-section-header h2,
  .a3s-architecture-copy h2,
  .a3s-boundaries-copy h2,
  .a3s-cta h2 {
    font-size: 39px;
  }

  .a3s-feature-grid,
  .a3s-surface-grid,
  .a3s-bento-grid {
    grid-template-columns: 1fr;
  }

  .a3s-feature-card,
  .a3s-feature-card:nth-child(n),
  .a3s-surface-card,
  .a3s-surface-card:nth-child(n) {
    min-height: 340px;
    border-right: 0;
    border-bottom: 1px solid var(--a3s-line);
  }

  .a3s-feature-card:last-child,
  .a3s-surface-card:last-child {
    border-bottom: 0;
  }

  .a3s-feature-card h3,
  .a3s-surface-card h3 {
    margin-top: 50px;
  }

  .a3s-architecture-copy,
  .a3s-boundaries-copy {
    min-height: 0;
    padding: 58px 24px;
  }

  .a3s-architecture-frame {
    min-height: 0;
    padding: 0;
  }

  .a3s-stack-toolbar {
    padding: 0 14px;
    font-size: 7px;
  }

  .a3s-stack-stage {
    height: 424px;
    perspective: 900px;
  }

  .a3s-stack-stage::before {
    bottom: 36px;
    width: 300px;
  }

  .a3s-stack-axis,
  .a3s-stack-label {
    display: none;
  }

  .a3s-stack-layer {
    top: 30px;
    width: 210px;
    height: 118px;
    transform: translate3d(-50%, calc(var(--layer-index) * 48px), 0)
      rotateX(58deg) rotateZ(-42deg);
  }

  .a3s-stack-layer.is-active,
  .a3s-stack-layer:hover,
  .a3s-stack-layer:focus-visible {
    transform: translate3d(-50%, calc(var(--layer-index) * 48px - 10px), 30px)
      rotateX(58deg) rotateZ(-42deg) scale(1.025);
  }

  .a3s-stack-layer-face {
    padding: 13px 14px;
  }

  .a3s-stack-layer-face strong {
    max-width: 165px;
    font-size: 9px;
  }

  .a3s-stack-layer-face small {
    font-size: 6px;
  }

  .a3s-stack-detail {
    min-height: 230px;
    padding: 22px 18px;
    grid-template-columns: 28px minmax(0, 1fr);
  }

  .a3s-stack-detail-tags {
    grid-column: 2;
  }

  .a3s-bento-card,
  .a3s-bento-card--wide {
    min-height: 330px;
    grid-column: span 1;
  }

  .a3s-bento-card--wide h3 {
    font-size: 24px;
  }

  .a3s-boundaries-art {
    min-height: 380px;
    padding: 35px 18px;
  }

  .a3s-boundary-core,
  .a3s-boundary-host {
    width: 125px;
    height: 150px;
  }

  .a3s-boundary-core strong,
  .a3s-boundary-host strong {
    font-size: 14px;
  }

  .a3s-boundary-line {
    width: 28px;
  }

  .a3s-boundary-line span {
    display: none;
  }

  .a3s-cta {
    min-height: 480px;
    padding: 62px 24px;
  }

  .a3s-cta-actions {
    width: 100%;
    flex-direction: column;
  }

  .a3s-home-footer {
    padding: 30px 24px;
    grid-template-columns: 1fr;
  }

  .a3s-home-footer > span {
    text-align: left;
  }

  .a3s-home-footer > a:last-child {
    justify-self: start;
  }
}

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

  .a3s-home *,
  .a3s-button {
    transition: none !important;
  }
}

/* Home layout refinement */

.a3s-hero {
  min-height: 640px;
  grid-template-columns: minmax(0, 58%) minmax(0, 42%);
}

.a3s-hero-copy {
  padding: 72px 68px 48px;
}

.a3s-hero h1 {
  max-width: 760px;
  font-size: clamp(54px, 5vw, 74px);
}

.a3s-install {
  margin-top: 42px;
  padding-top: 0;
}

.a3s-hero-visual {
  padding: 38px;
}

.a3s-runtime-visual {
  min-height: 526px;
}

.a3s-section-header {
  min-height: 250px;
  padding-top: 64px;
  padding-bottom: 56px;
}

.a3s-feature-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.14fr) minmax(0, 0.86fr);
  grid-template-rows: repeat(3, minmax(0, 1fr));
}

.a3s-feature-card {
  min-height: 0;
  padding: 28px 30px;
  border-right: 0;
  border-bottom: 1px solid var(--a3s-line);
}

.a3s-feature-card:first-child {
  min-height: 570px;
  border-right: 1px solid var(--a3s-line);
  border-bottom: 0;
  grid-row: 1 / span 3;
}

.a3s-feature-card:last-child {
  border-bottom: 0;
}

.a3s-feature-card h3 {
  min-height: 0;
  margin: 24px 0 12px;
}

.a3s-feature-card:first-child h3 {
  max-width: 430px;
  margin-top: 118px;
  font-size: clamp(28px, 2.5vw, 38px);
}

.a3s-feature-card:first-child p {
  max-width: 510px;
  font-size: 15px;
}

.a3s-feature-card:not(:first-child) {
  display: grid;
  align-content: center;
  gap: 0;
  grid-template-columns: 42px minmax(0, 1fr);
}

.a3s-feature-card:not(:first-child) .a3s-feature-number {
  padding-top: 28px;
  grid-row: 1 / span 3;
}

.a3s-feature-card:not(:first-child) h3,
.a3s-feature-card:not(:first-child) p,
.a3s-feature-card:not(:first-child) .a3s-tag-row {
  grid-column: 2;
}

.a3s-feature-card:not(:first-child) .a3s-tag-row {
  margin-top: 0;
  padding-top: 16px;
}

/* Code Hike spotlight, restyled for the A3S runtime */

.a3s-tutorial-header > div:last-child {
  align-self: end;
}

.a3s-tutorial-header p {
  max-width: 570px;
  margin: 0;
  color: var(--a3s-muted);
  font-size: 16px;
  line-height: 1.75;
}

.a3s-tutorial-header a,
.a3s-component-entry-copy > a {
  display: inline-flex;
  width: fit-content;
  margin-top: 24px;
  padding-bottom: 6px;
  border-bottom: 1px solid #555b65;
  color: #d7dbe3;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
}

.a3s-tutorial-header a:hover,
.a3s-component-entry-copy > a:hover {
  border-color: var(--a3s-blue);
  color: #fff;
}

.a3s-runtime-tutorial {
  display: grid;
  align-items: stretch;
  background: #0d0e12;
  grid-template-columns: minmax(300px, 0.62fr) minmax(0, 1.38fr);
}

.a3s-tutorial-steps {
  border-right: 1px solid var(--a3s-line);
}

.a3s-tutorial-step {
  position: relative;
  min-height: 370px;
  border-bottom: 1px solid var(--a3s-line);
  background: #0d0e12;
  transition: background 220ms ease;
}

.a3s-tutorial-step:last-child {
  border-bottom: 0;
}

.a3s-tutorial-step::before {
  position: absolute;
  z-index: 2;
  top: 0;
  bottom: 0;
  left: -1px;
  width: 2px;
  background: linear-gradient(var(--a3s-blue), #93b9f5);
  content: '';
  opacity: 0;
  transform: scaleY(0.25);
  transition:
    opacity 180ms ease,
    transform 240ms ease;
}

.a3s-tutorial-step[data-selected='true'] {
  background:
    linear-gradient(100deg, rgba(108, 163, 255, 0.085), transparent 72%),
    #101217;
}

.a3s-tutorial-step[data-selected='true']::before {
  opacity: 1;
  transform: scaleY(1);
}

.a3s-tutorial-step > button {
  position: relative;
  display: flex;
  width: 100%;
  min-height: 370px;
  padding: 48px 48px 42px;
  border: 0;
  background: transparent;
  color: inherit;
  cursor: pointer;
  flex-direction: column;
  font-family: inherit;
  text-align: left;
}

.a3s-tutorial-step > button:focus-visible {
  outline: 2px solid #b8d1ff;
  outline-offset: -5px;
}

.a3s-tutorial-step-number {
  color: #4e5561;
  font-family: var(--a3s-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.a3s-tutorial-step-layer {
  margin-top: 38px;
  color: #7796c4;
  font-family: var(--a3s-mono);
  font-size: 9px;
  font-weight: 650;
  letter-spacing: 0.08em;
}

.a3s-tutorial-step h3 {
  max-width: 410px;
  margin: 13px 0 14px;
  color: #e8ebf1;
  font-size: 25px;
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.25;
}

.a3s-tutorial-step p {
  max-width: 455px;
  margin: 0;
  color: #8c929d;
  font-size: 13px;
  line-height: 1.72;
}

.a3s-tutorial-step-tags {
  display: flex;
  margin-top: auto;
  padding-top: 26px;
  flex-wrap: wrap;
  gap: 6px;
}

.a3s-tutorial-step-tags i {
  padding: 5px 7px;
  border: 1px solid #292d35;
  background: rgba(255, 255, 255, 0.018);
  color: #626a77;
  font-family: var(--a3s-mono);
  font-size: 8px;
  font-style: normal;
}

.a3s-tutorial-step-progress {
  position: absolute;
  top: 48px;
  right: 30px;
  width: 34px;
  height: 1px;
  background: #30343c;
}

.a3s-tutorial-step-progress::after {
  display: block;
  width: 0;
  height: 1px;
  background: var(--a3s-blue);
  content: '';
  transition: width 220ms ease;
}

.a3s-tutorial-step[data-selected='true'] .a3s-tutorial-step-progress::after {
  width: 100%;
}

.a3s-tutorial-sticky {
  position: relative;
  min-width: 0;
  padding: 22px;
  background:
    linear-gradient(rgba(122, 139, 167, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(122, 139, 167, 0.035) 1px, transparent 1px),
    radial-gradient(
      circle at 65% 28%,
      rgba(108, 92, 255, 0.08),
      transparent 34%
    );
  background-size:
    32px 32px,
    32px 32px,
    auto;
}

.a3s-tutorial-stage {
  position: sticky;
  top: calc(var(--rp-nav-height) + 16px);
  overflow: hidden;
  min-height: min(720px, calc(100vh - var(--rp-nav-height) - 42px));
  border: 1px solid #343842;
  background: #0b0d11;
  box-shadow: 0 28px 75px rgba(0, 0, 0, 0.28);
}

.a3s-tutorial-stage-toolbar {
  display: flex;
  height: 44px;
  padding: 0 15px;
  border-bottom: 1px solid #292d35;
  color: #6d7582;
  align-items: center;
  justify-content: space-between;
  font-family: var(--a3s-mono);
  font-size: 8px;
  letter-spacing: 0.09em;
}

.a3s-tutorial-stage-toolbar > span:last-child {
  color: #849fc8;
}

.a3s-tutorial-stage-grid {
  display: grid;
  min-height: calc(
    min(720px, calc(100vh - var(--rp-nav-height) - 42px)) - 44px
  );
  grid-template-columns: minmax(0, 1.55fr) minmax(210px, 0.75fr);
}

.a3s-tutorial-code {
  display: flex;
  overflow: hidden;
  min-width: 0;
  background:
    linear-gradient(rgba(108, 163, 255, 0.025) 1px, transparent 1px), #0b0d11;
  background-size: 100% 25px;
  flex-direction: column;
}

.a3s-tutorial-code > header {
  display: flex;
  min-height: 42px;
  padding: 0 13px;
  border-bottom: 1px solid #242831;
  background: #101217;
  color: #727a87;
  align-items: center;
  gap: 12px;
  font-family: var(--a3s-mono);
  font-size: 9px;
}

.a3s-tutorial-code > header > span:first-child {
  display: inline-flex;
  color: #acb4c0;
  align-items: center;
  gap: 8px;
}

.a3s-tutorial-code > header i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #d69a65;
  box-shadow: 0 0 9px rgba(214, 154, 101, 0.34);
}

.a3s-tutorial-code > header > span:nth-child(2) {
  color: #4e5663;
}

.a3s-tutorial-code > header > button {
  margin-left: auto;
  padding: 5px 7px;
  border: 1px solid transparent;
  background: transparent;
  color: #69717e;
  cursor: pointer;
  font-family: inherit;
  font-size: 8px;
}

.a3s-tutorial-code > header > button:hover,
.a3s-tutorial-code > header > button:focus-visible {
  border-color: #39404b;
  color: #d7dce5;
  outline: none;
}

.a3s-tutorial-code pre {
  overflow: auto;
  min-height: 0;
  margin: 0;
  padding: 22px 0 30px;
  background: transparent;
  color: #c9ced8;
  flex: 1;
  font-family: var(--a3s-mono);
  font-size: clamp(10px, 0.76vw, 12px);
  line-height: 1.72;
  tab-size: 4;
}

.a3s-code-line {
  position: relative;
  display: block;
  min-width: max-content;
  min-height: 1.72em;
  padding: 0 20px 0 57px;
  border-left: 2px solid transparent;
  opacity: 0.28;
  transition:
    background 180ms ease,
    opacity 180ms ease;
}

.a3s-code-line::before {
  position: absolute;
  left: 16px;
  width: 22px;
  color: #3e4551;
  content: attr(data-line-number);
  font-size: 9px;
  text-align: right;
}

.a3s-code-line.is-focused {
  border-left-color: #608dcc;
  background:
    linear-gradient(90deg, rgba(91, 137, 202, 0.13), transparent 82%),
    rgba(255, 255, 255, 0.012);
  opacity: 1;
}

.a3s-code-line.is-focused::before {
  color: #778ba8;
}

.a3s-tutorial-stage-side {
  display: grid;
  min-width: 0;
  border-left: 1px solid #292d35;
  background: #0e1014;
  grid-template-rows: 1fr auto;
}

.a3s-tutorial-layers > header {
  display: flex;
  min-height: 42px;
  padding: 0 13px;
  border-bottom: 1px solid #242831;
  color: #6d7582;
  align-items: center;
  justify-content: space-between;
  font-family: var(--a3s-mono);
  font-size: 8px;
  letter-spacing: 0.06em;
}

.a3s-tutorial-layers > header small {
  color: #414852;
  font-size: 7px;
}

.a3s-tutorial-layers > div {
  position: relative;
  padding: 14px 12px;
}

.a3s-tutorial-layers > div::before {
  position: absolute;
  top: 31px;
  bottom: 31px;
  left: 27px;
  width: 1px;
  background: #303640;
  content: '';
}

.a3s-tutorial-layers button {
  position: relative;
  z-index: 1;
  display: grid;
  width: 100%;
  min-height: 58px;
  padding: 8px 8px;
  border: 1px solid transparent;
  background: transparent;
  color: #626a76;
  cursor: pointer;
  align-items: center;
  gap: 9px;
  grid-template-columns: 24px minmax(0, 1fr) 6px;
  text-align: left;
  transition:
    border-color 180ms ease,
    background 180ms ease,
    color 180ms ease;
}

.a3s-tutorial-layers button:hover {
  background: rgba(255, 255, 255, 0.025);
  color: #aeb6c2;
}

.a3s-tutorial-layers button.is-active {
  border-color: #36557e;
  background:
    linear-gradient(90deg, rgba(108, 163, 255, 0.11), transparent), #11151c;
  color: #e1e6ef;
}

.a3s-tutorial-layers button > span:first-child {
  display: flex;
  width: 20px;
  height: 20px;
  border: 1px solid #373d47;
  border-radius: 50%;
  background: #0e1014;
  color: #555e6b;
  align-items: center;
  justify-content: center;
  font-family: var(--a3s-mono);
  font-size: 7px;
}

.a3s-tutorial-layers button.is-active > span:first-child {
  border-color: #6b9cdd;
  color: #bcd4f8;
  box-shadow: 0 0 0 4px rgba(108, 163, 255, 0.07);
}

.a3s-tutorial-layers button.is-complete > span:first-child {
  border-color: #356754;
  color: #7ac8a5;
}

.a3s-tutorial-layers button > span:nth-child(2) {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 3px;
}

.a3s-tutorial-layers button small {
  overflow: hidden;
  color: #4c5460;
  font-family: var(--a3s-mono);
  font-size: 6px;
  letter-spacing: 0.06em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.a3s-tutorial-layers button strong {
  overflow: hidden;
  font-size: 10px;
  font-weight: 580;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.a3s-tutorial-layers button > i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #343a44;
}

.a3s-tutorial-layers button.is-active > i {
  background: var(--a3s-blue);
  box-shadow: 0 0 10px rgba(108, 163, 255, 0.7);
}

.a3s-tutorial-note {
  min-height: 116px;
  padding: 18px;
  border-top: 1px solid #292d35;
  background:
    linear-gradient(135deg, rgba(240, 180, 77, 0.055), transparent 70%), #111217;
}

.a3s-tutorial-note span {
  color: #aa8350;
  font-family: var(--a3s-mono);
  font-size: 8px;
  letter-spacing: 0.06em;
}

.a3s-tutorial-note p {
  margin: 9px 0 0;
  color: #9299a5;
  font-size: 11px;
  line-height: 1.6;
}

.a3s-tutorial-mobile-preview {
  display: none;
}

/* Component documentation entry */

.a3s-component-entry {
  display: grid;
  min-height: 610px;
  grid-template-columns: minmax(320px, 0.72fr) minmax(0, 1.28fr);
}

.a3s-component-entry-copy {
  display: flex;
  padding: 76px 54px 60px 68px;
  border-right: 1px solid var(--a3s-line);
  flex-direction: column;
  justify-content: center;
}

.a3s-component-entry-copy h2 {
  max-width: 520px;
  margin: 18px 0 0;
  color: var(--a3s-text);
  font-size: clamp(40px, 3.6vw, 54px);
  font-weight: 620;
  letter-spacing: -0.055em;
  line-height: 1.04;
}

.a3s-component-entry-copy p {
  max-width: 500px;
  margin: 28px 0 0;
  color: var(--a3s-muted);
  font-size: 15px;
  line-height: 1.75;
}

.a3s-component-entry-list {
  display: grid;
  min-width: 0;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.a3s-component-entry-list > a {
  position: relative;
  display: flex;
  overflow: hidden;
  min-width: 0;
  padding: 42px 34px 36px;
  flex-direction: column;
  transition: background 200ms ease;
}

.a3s-component-entry-list > a:first-child {
  border-right: 1px solid var(--a3s-line);
}

.a3s-component-entry-list > a:hover {
  background:
    linear-gradient(180deg, rgba(108, 163, 255, 0.055), transparent 65%),
    #101115;
}

.a3s-component-entry-list > a > span {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.a3s-component-entry-list small {
  color: #66707e;
  font-family: var(--a3s-mono);
  font-size: 9px;
  letter-spacing: 0.09em;
}

.a3s-component-entry-list strong {
  color: #e1e5ec;
  font-size: 19px;
  font-weight: 590;
}

.a3s-component-entry-list > a > p {
  margin: auto 0 0;
  padding-top: 30px;
  color: #777f8c;
  font-size: 12px;
  line-height: 1.65;
}

.a3s-component-entry-list > a > svg {
  position: absolute;
  right: 28px;
  bottom: 34px;
  color: #59616e;
}

.a3s-home-tui-sample,
.a3s-home-web-sample {
  min-height: 238px;
  margin-top: 54px;
  border: 1px solid #313640;
  background: #0b0d11;
  box-shadow: 0 22px 48px rgba(0, 0, 0, 0.25);
}

.a3s-home-tui-sample {
  padding: 45px 24px;
  color: #9aa2ae;
  font-family: var(--a3s-mono);
  font-size: 10px;
}

.a3s-home-tui-sample::before {
  display: block;
  margin: -27px -7px 28px;
  color: #4d5664;
  content: 'A3S CODE  /  ACTIVITY';
  font-size: 7px;
  letter-spacing: 0.1em;
}

.a3s-home-tui-sample p {
  display: flex;
  margin: 0 0 22px;
  align-items: center;
  gap: 9px;
}

.a3s-home-tui-sample p i {
  color: var(--a3s-green);
  font-style: normal;
}

.a3s-home-tui-sample p.is-running i {
  color: var(--a3s-amber);
}

.a3s-home-tui-sample code {
  overflow: hidden;
  color: #c8d0db;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.a3s-home-tui-sample > span {
  color: #6ca3ff;
}

.a3s-home-web-sample {
  display: flex;
  padding: 34px 27px;
  background:
    radial-gradient(
      circle at 50% 0,
      rgba(108, 163, 255, 0.08),
      transparent 60%
    ),
    #101217;
  flex-direction: column;
}

.a3s-home-web-sample > span {
  color: #d7dce5;
  font-size: 13px;
  font-weight: 600;
}

.a3s-home-web-sample > code {
  margin-top: 24px;
  padding: 16px 13px;
  border: 1px solid #303641;
  background: #0b0d11;
  color: #aeb7c5;
  font-family: var(--a3s-mono);
  font-size: 9px;
}

.a3s-home-web-sample > div {
  display: flex;
  margin-top: auto;
  justify-content: flex-end;
  gap: 8px;
}

.a3s-home-web-sample i {
  padding: 8px 11px;
  border: 1px solid #343b46;
  color: #8b94a2;
  font-size: 9px;
  font-style: normal;
}

.a3s-home-web-sample i:last-child {
  border-color: #d5dbe4;
  background: #e7ebf1;
  color: #111318;
}

.a3s-surface-grid {
  grid-template-columns: minmax(0, 1.35fr) repeat(3, minmax(0, 1fr));
}

.a3s-surface-card:first-child {
  background:
    linear-gradient(135deg, rgba(108, 163, 255, 0.06), transparent 65%), #101115;
}

@media (max-width: 1180px) {
  .a3s-hero-copy {
    padding-right: 45px;
    padding-left: 45px;
  }

  .a3s-feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-rows: auto;
  }

  .a3s-feature-card:first-child {
    min-height: 430px;
    border-right: 0;
    border-bottom: 1px solid var(--a3s-line);
    grid-column: 1 / -1;
    grid-row: auto;
  }

  .a3s-feature-card:nth-child(2),
  .a3s-feature-card:nth-child(4) {
    border-right: 1px solid var(--a3s-line);
  }

  .a3s-feature-card:nth-child(3) {
    border-right: 0;
  }

  .a3s-feature-card:last-child {
    min-height: 250px;
    border-top: 0;
    grid-column: 1 / -1;
  }

  .a3s-tutorial-step > button {
    padding-right: 34px;
    padding-left: 34px;
  }

  .a3s-tutorial-stage-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(190px, 0.75fr);
  }

  .a3s-code-line {
    padding-right: 14px;
    padding-left: 48px;
  }

  .a3s-code-line::before {
    left: 9px;
  }

  .a3s-component-entry-copy {
    padding-right: 45px;
    padding-left: 45px;
  }

  .a3s-surface-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 920px) {
  .a3s-hero {
    grid-template-columns: 1fr;
  }

  .a3s-hero-copy {
    min-height: 0;
    padding-top: 64px;
    padding-bottom: 54px;
  }

  .a3s-install {
    margin-top: 42px;
  }

  .a3s-hero-visual {
    min-height: 610px;
  }

  .a3s-tutorial-header > div:last-child {
    align-self: auto;
  }

  .a3s-runtime-tutorial {
    display: block;
  }

  .a3s-tutorial-steps {
    border-right: 0;
  }

  .a3s-tutorial-step,
  .a3s-tutorial-step > button {
    min-height: 0;
  }

  .a3s-tutorial-step > button {
    padding: 48px 45px 42px;
  }

  .a3s-tutorial-step-layer {
    margin-top: 30px;
  }

  .a3s-tutorial-step-tags {
    margin-top: 4px;
  }

  .a3s-tutorial-sticky {
    display: none;
  }

  .a3s-tutorial-mobile-preview {
    display: none;
    padding: 0 45px 46px;
  }

  .a3s-tutorial-step[data-selected='true'] .a3s-tutorial-mobile-preview {
    display: block;
  }

  .a3s-tutorial-mobile-preview > div:first-child {
    display: flex;
    min-height: 44px;
    padding: 0 13px;
    border: 1px solid #303640;
    border-bottom: 0;
    background: #111319;
    color: #5d6673;
    align-items: center;
    justify-content: space-between;
    font-family: var(--a3s-mono);
    font-size: 8px;
  }

  .a3s-tutorial-mobile-preview > div:first-child strong {
    color: #aeb9c9;
    font-size: 9px;
  }

  .a3s-tutorial-mobile-preview .a3s-tutorial-code {
    min-height: 470px;
    border: 1px solid #303640;
  }

  .a3s-tutorial-mobile-preview .a3s-tutorial-code pre {
    max-height: 470px;
    font-size: 11px;
  }

  .a3s-component-entry {
    grid-template-columns: 1fr;
  }

  .a3s-component-entry-copy {
    min-height: 430px;
    border-right: 0;
    border-bottom: 1px solid var(--a3s-line);
  }
}

@media (max-width: 640px) {
  .a3s-hero-copy {
    min-height: 0;
    padding: 52px 24px 44px;
  }

  .a3s-hero h1 {
    font-size: 48px;
  }

  .a3s-hero-visual {
    min-height: 555px;
    padding: 24px 18px;
  }

  .a3s-runtime-visual {
    min-height: 505px;
  }

  .a3s-feature-grid {
    grid-template-columns: 1fr;
  }

  .a3s-feature-card,
  .a3s-feature-card:nth-child(n),
  .a3s-feature-card:first-child,
  .a3s-feature-card:last-child {
    display: flex;
    min-height: 330px;
    padding: 34px 24px;
    border-right: 0;
    border-bottom: 1px solid var(--a3s-line);
    grid-column: auto;
    grid-row: auto;
  }

  .a3s-feature-card:last-child {
    border-bottom: 0;
  }

  .a3s-feature-card h3,
  .a3s-feature-card:first-child h3,
  .a3s-feature-card:not(:first-child) h3 {
    margin: 48px 0 14px;
    font-size: 22px;
    grid-column: auto;
  }

  .a3s-feature-card p,
  .a3s-feature-card .a3s-tag-row,
  .a3s-feature-card:not(:first-child) p,
  .a3s-feature-card:not(:first-child) .a3s-tag-row {
    grid-column: auto;
  }

  .a3s-feature-card:not(:first-child) .a3s-feature-number {
    padding-top: 0;
    grid-row: auto;
  }

  .a3s-feature-card .a3s-tag-row {
    margin-top: auto;
    padding-top: 22px;
  }

  .a3s-tutorial-step > button {
    padding: 42px 24px 36px;
  }

  .a3s-tutorial-step h3 {
    font-size: 23px;
  }

  .a3s-tutorial-step-progress {
    top: 43px;
    right: 24px;
  }

  .a3s-tutorial-mobile-preview {
    padding: 0 16px 36px;
  }

  .a3s-tutorial-mobile-preview .a3s-tutorial-code {
    min-height: 390px;
  }

  .a3s-tutorial-mobile-preview .a3s-tutorial-code pre {
    max-height: 390px;
    font-size: 9px;
  }

  .a3s-code-line {
    padding-right: 12px;
    padding-left: 43px;
  }

  .a3s-code-line::before {
    left: 5px;
  }

  .a3s-component-entry-copy {
    min-height: 0;
    padding: 58px 24px;
  }

  .a3s-component-entry-copy h2 {
    font-size: 39px;
  }

  .a3s-component-entry-list {
    grid-template-columns: 1fr;
  }

  .a3s-component-entry-list > a {
    min-height: 500px;
    padding: 38px 24px 32px;
  }

  .a3s-component-entry-list > a:first-child {
    border-right: 0;
    border-bottom: 1px solid var(--a3s-line);
  }

  .a3s-home-tui-sample,
  .a3s-home-web-sample {
    min-height: 220px;
    margin-top: 42px;
  }

  .a3s-component-entry-list > a > svg {
    right: 24px;
    bottom: 31px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .a3s-tutorial-step::before,
  .a3s-code-line,
  .a3s-tutorial-layers button {
    transition: none;
  }
}

/* Homepage structure and interactive runtime stack */

.a3s-hero {
  min-height: 670px;
  grid-template-columns: minmax(390px, 0.84fr) minmax(0, 1.16fr);
}

.a3s-hero-copy {
  padding: 68px 56px 48px;
}

.a3s-hero h1 {
  max-width: 620px;
  font-size: clamp(50px, 4.5vw, 70px);
}

.a3s-hero-subtitle {
  max-width: 590px;
  font-size: 16px;
  line-height: 1.7;
}

.a3s-hero-visual {
  min-width: 0;
  padding: 30px;
}

.a3s-runtime-inspector {
  position: relative;
  overflow: hidden;
  width: min(100%, 720px);
  min-height: 574px;
  border: 1px solid #303640;
  background:
    radial-gradient(
      circle at 22% 32%,
      rgba(91, 111, 179, 0.1),
      transparent 34%
    ),
    #0b0e13;
  box-shadow:
    0 28px 72px rgba(0, 0, 0, 0.32),
    inset 0 1px rgba(255, 255, 255, 0.025);
}

.a3s-runtime-inspector::before {
  position: absolute;
  z-index: 0;
  top: 48px;
  right: 0;
  bottom: 0;
  left: 0;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.018),
    transparent 38%
  );
  content: '';
  pointer-events: none;
}

.a3s-runtime-inspector-header {
  position: relative;
  z-index: 3;
  display: flex;
  min-height: 48px;
  padding: 0 18px;
  border-bottom: 1px solid #282e38;
  background: rgba(12, 15, 20, 0.94);
  color: #aab3c0;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  font-family: var(--a3s-mono);
  font-size: 9px;
  letter-spacing: 0.07em;
}

.a3s-runtime-inspector-header > span {
  display: inline-flex;
  align-items: center;
  gap: 9px;
}

.a3s-runtime-inspector-header > span i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--a3s-green);
  box-shadow: 0 0 12px rgba(60, 207, 145, 0.72);
}

.a3s-runtime-inspector-header small {
  display: flex;
  color: #566170;
  font-size: 7px;
  letter-spacing: 0.06em;
  text-align: right;
  align-items: center;
  gap: 12px;
}

.a3s-runtime-inspector-header small b {
  color: #8b96a5;
  font-size: 8px;
  font-weight: 560;
}

.a3s-runtime-hint-mobile {
  display: none;
}

.a3s-runtime-inspector-body {
  position: relative;
  z-index: 1;
  display: grid;
  min-height: 526px;
  grid-template-columns: minmax(230px, 0.82fr) minmax(330px, 1.18fr);
}

.a3s-runtime-inspector-visual {
  position: relative;
  overflow: hidden;
  min-width: 0;
  border-right: 1px solid #252c35;
  background:
    linear-gradient(rgba(105, 131, 171, 0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(105, 131, 171, 0.028) 1px, transparent 1px);
  background-size: 32px 32px;
}

.a3s-runtime-inspector-visual::before {
  position: absolute;
  right: 13%;
  bottom: 92px;
  left: 13%;
  height: 36px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.5);
  content: '';
  filter: blur(18px);
  pointer-events: none;
}

.a3s-runtime-model-scale {
  position: absolute;
  z-index: 3;
  top: 20px;
  right: 20px;
  left: 20px;
  display: flex;
  color: #4f5b69;
  align-items: center;
  gap: 10px;
  font-family: var(--a3s-mono);
  font-size: 7px;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.a3s-runtime-model-scale i {
  height: 1px;
  background: linear-gradient(90deg, #374352, transparent);
  flex: 1;
}

.a3s-runtime-layer-model {
  position: absolute;
  z-index: 2;
  top: 68px;
  left: 50%;
  width: 240px;
  height: 330px;
  transform: translateX(-50%) rotate(-4deg);
}

.a3s-runtime-model-slab {
  --layer-accent: #7c8798;
  --layer-tint: rgba(103, 117, 139, 0.08);

  position: absolute;
  display: flex;
  width: 218px;
  height: 58px;
  padding: 0 20px;
  border: 1px solid #303845;
  border-radius: 8px;
  background:
    linear-gradient(105deg, var(--layer-tint), transparent 58%), #11161d;
  color: var(--layer-accent);
  cursor: pointer;
  align-items: center;
  box-shadow:
    0 7px 0 #080b0f,
    0 14px 24px rgba(0, 0, 0, 0.22);
  opacity: 0.58;
  transform: translate3d(0, 0, 0);
  transition:
    opacity 180ms ease,
    transform 180ms ease,
    border-color 160ms ease,
    background 160ms ease,
    box-shadow 180ms ease;
}

.a3s-runtime-model-slab::before {
  position: absolute;
  top: 9px;
  bottom: 9px;
  left: 0;
  width: 2px;
  border-radius: 0 2px 2px 0;
  background: var(--layer-accent);
  content: '';
  opacity: 0.45;
  pointer-events: none;
}

.a3s-runtime-model-slab > span {
  display: flex;
  width: 100%;
  align-items: center;
  gap: 9px;
}

.a3s-runtime-model-slab > span i {
  display: block;
  height: 1px;
  background: currentcolor;
  opacity: 0.5;
}

.a3s-runtime-model-slab > span i:first-child {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  opacity: 0.85;
}

.a3s-runtime-model-slab > span i:nth-child(2) {
  width: 58px;
}

.a3s-runtime-model-slab > span i:last-child {
  width: 28px;
}

.a3s-runtime-model-slab:hover,
.a3s-runtime-model-slab.is-active {
  z-index: 8;
  border-color: var(--layer-accent);
  background:
    linear-gradient(105deg, var(--layer-tint), transparent 66%), #151a22;
  box-shadow:
    0 8px 0 #090c11,
    0 18px 34px rgba(0, 0, 0, 0.34),
    0 0 26px color-mix(in srgb, var(--layer-accent) 12%, transparent);
  opacity: 1;
  outline: none;
  transform: translate3d(15px, -5px, 0);
}

.a3s-runtime-model-slab.is-selected::before {
  opacity: 1;
}

.a3s-runtime-model-slab--surfaces {
  --layer-accent: #9278e8;
  --layer-tint: rgba(117, 84, 220, 0.18);
}

.a3s-runtime-model-slab--session {
  --layer-accent: #6fa6e8;
  --layer-tint: rgba(69, 128, 198, 0.17);
}

.a3s-runtime-model-slab--context {
  --layer-accent: #70b8c6;
  --layer-tint: rgba(53, 143, 161, 0.15);
}

.a3s-runtime-model-slab--governance {
  --layer-accent: #d6a753;
  --layer-tint: rgba(179, 123, 37, 0.17);
}

.a3s-runtime-model-slab--tools {
  --layer-accent: #c8875d;
  --layer-tint: rgba(158, 88, 45, 0.16);
}

.a3s-runtime-model-slab--evidence {
  --layer-accent: #5bb98e;
  --layer-tint: rgba(42, 137, 97, 0.17);
}

.a3s-runtime-model-caption {
  --layer-accent: #9278e8;

  position: absolute;
  z-index: 4;
  right: 22px;
  bottom: 23px;
  left: 22px;
  display: flex;
  padding-top: 13px;
  border-top: 1px solid #29313b;
  flex-direction: column;
  gap: 5px;
}

.a3s-runtime-model-caption > span {
  display: flex;
  color: #6f7b89;
  align-items: center;
  gap: 7px;
  font-family: var(--a3s-mono);
  font-size: 7px;
  letter-spacing: 0.08em;
}

.a3s-runtime-model-caption > span i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--layer-accent);
  box-shadow: 0 0 12px var(--layer-accent);
}

.a3s-runtime-model-caption[data-layer='session'] {
  --layer-accent: #6fa6e8;
}

.a3s-runtime-model-caption[data-layer='context'] {
  --layer-accent: #70b8c6;
}

.a3s-runtime-model-caption[data-layer='governance'] {
  --layer-accent: #d6a753;
}

.a3s-runtime-model-caption[data-layer='tools'] {
  --layer-accent: #c8875d;
}

.a3s-runtime-model-caption[data-layer='evidence'] {
  --layer-accent: #5bb98e;
}

.a3s-runtime-model-caption strong {
  overflow: hidden;
  color: #d8dee7;
  font-size: 13px;
  font-weight: 590;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.a3s-runtime-inspector-panel {
  display: flex;
  min-width: 0;
  background: rgba(11, 14, 19, 0.76);
  flex-direction: column;
}

.a3s-runtime-layer-list {
  display: flex;
  padding: 11px;
  flex-direction: column;
  gap: 3px;
}

.a3s-runtime-layer-control {
  --layer-accent: #7c8798;

  position: relative;
  display: grid;
  width: 100%;
  min-height: 49px;
  padding: 7px 13px;
  border: 1px solid transparent;
  border-radius: 6px;
  background: transparent;
  color: #65707f;
  cursor: pointer;
  align-items: center;
  gap: 11px;
  grid-template-columns: 27px minmax(0, 1fr) 8px;
  text-align: left;
  transition:
    border-color 150ms ease,
    background 150ms ease,
    color 150ms ease;
}

.a3s-runtime-layer-control > span:first-child {
  color: #4e5967;
  font-family: var(--a3s-mono);
  font-size: 9px;
}

.a3s-runtime-layer-control > span:nth-child(2) {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 2px;
}

.a3s-runtime-layer-control small {
  color: #505c6b;
  font-family: var(--a3s-mono);
  font-size: 7px;
  letter-spacing: 0.07em;
}

.a3s-runtime-layer-control strong {
  overflow: hidden;
  color: #9ba5b3;
  font-size: 11px;
  font-weight: 560;
  line-height: 1.25;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.a3s-runtime-layer-control > i {
  width: 6px;
  height: 6px;
  border: 1px solid #3b4553;
  border-radius: 50%;
  transition:
    background 150ms ease,
    border-color 150ms ease,
    box-shadow 150ms ease;
}

.a3s-runtime-layer-control:hover,
.a3s-runtime-layer-control.is-active {
  border-color: #29323e;
  background: #121720;
  color: var(--layer-accent);
}

.a3s-runtime-layer-control.is-active > span:first-child,
.a3s-runtime-layer-control.is-active small {
  color: var(--layer-accent);
}

.a3s-runtime-layer-control.is-active strong {
  color: #edf1f6;
}

.a3s-runtime-layer-control.is-active > i {
  border-color: var(--layer-accent);
  background: var(--layer-accent);
  box-shadow: 0 0 12px color-mix(in srgb, var(--layer-accent) 55%, transparent);
}

.a3s-runtime-layer-control.is-selected::before {
  position: absolute;
  top: 11px;
  bottom: 11px;
  left: -1px;
  width: 2px;
  border-radius: 0 2px 2px 0;
  background: var(--layer-accent);
  content: '';
}

.a3s-runtime-layer-control:focus-visible {
  border-color: #75859a;
  outline: 2px solid rgba(139, 182, 239, 0.52);
  outline-offset: 2px;
}

.a3s-runtime-layer-control--surfaces {
  --layer-accent: #9278e8;
}

.a3s-runtime-layer-control--session {
  --layer-accent: #6fa6e8;
}

.a3s-runtime-layer-control--context {
  --layer-accent: #70b8c6;
}

.a3s-runtime-layer-control--governance {
  --layer-accent: #d6a753;
}

.a3s-runtime-layer-control--tools {
  --layer-accent: #c8875d;
}

.a3s-runtime-layer-control--evidence {
  --layer-accent: #5bb98e;
}

.a3s-runtime-layer-detail {
  --layer-accent: #9278e8;
  --layer-tint: rgba(117, 84, 220, 0.08);

  min-height: 0;
  padding: 19px 22px 22px;
  border-top: 1px solid #252d37;
  background: linear-gradient(110deg, var(--layer-tint), transparent 62%);
}

.a3s-runtime-layer-detail[data-layer='session'] {
  --layer-accent: #6fa6e8;
  --layer-tint: rgba(69, 128, 198, 0.08);
}

.a3s-runtime-layer-detail[data-layer='context'] {
  --layer-accent: #70b8c6;
  --layer-tint: rgba(53, 143, 161, 0.08);
}

.a3s-runtime-layer-detail[data-layer='governance'] {
  --layer-accent: #d6a753;
  --layer-tint: rgba(179, 123, 37, 0.08);
}

.a3s-runtime-layer-detail[data-layer='tools'] {
  --layer-accent: #c8875d;
  --layer-tint: rgba(158, 88, 45, 0.08);
}

.a3s-runtime-layer-detail[data-layer='evidence'] {
  --layer-accent: #5bb98e;
  --layer-tint: rgba(42, 137, 97, 0.08);
}

.a3s-runtime-layer-detail > span {
  color: var(--layer-accent);
  font-family: var(--a3s-mono);
  font-size: 8px;
  letter-spacing: 0.08em;
}

.a3s-runtime-layer-detail h2 {
  margin: 8px 0 7px;
  color: #e6eaf0;
  font-size: 18px;
  font-weight: 620;
  letter-spacing: -0.025em;
}

.a3s-runtime-layer-detail p {
  max-width: 620px;
  margin: 0;
  color: #8993a0;
  font-size: 11px;
  line-height: 1.62;
}

.a3s-runtime-layer-detail > div {
  display: flex;
  margin-top: 13px;
  flex-wrap: wrap;
  gap: 5px;
}

.a3s-runtime-layer-detail small {
  padding: 4px 6px;
  border: 1px solid #303844;
  color: #687383;
  font-family: var(--a3s-mono);
  font-size: 7px;
}

.a3s-runtime-layer-detail--desktop {
  flex: 1;
}

.a3s-runtime-layer-detail--mobile {
  display: none;
}

.a3s-runtime-inspector {
  min-height: 574px;
  background:
    radial-gradient(
      circle at 84% 18%,
      rgba(86, 119, 181, 0.08),
      transparent 31%
    ),
    #0b0e13;
}

.a3s-runtime-inspector::before {
  display: none;
}

.a3s-runtime-inspector-header {
  min-height: 48px;
}

.a3s-runtime-inspector-header > div {
  display: flex;
  align-items: center;
  gap: 11px;
}

.a3s-runtime-inspector-header > div > button {
  display: inline-flex;
  min-height: 26px;
  padding: 0 9px;
  border: 1px solid #313a46;
  border-radius: 4px;
  background: #10151c;
  color: #7f8a98;
  cursor: pointer;
  align-items: center;
  gap: 7px;
  font-family: var(--a3s-mono);
  font-size: 7px;
  letter-spacing: 0.08em;
  transition:
    border-color 150ms ease,
    background 150ms ease,
    color 150ms ease;
}

.a3s-runtime-inspector-header > div > button:hover,
.a3s-runtime-inspector-header > div > button:focus-visible {
  border-color: #65768b;
  background: #151b24;
  color: #dbe4ef;
}

.a3s-runtime-inspector-header > div > button:focus-visible {
  outline: 2px solid rgba(124, 174, 238, 0.48);
  outline-offset: 2px;
}

.a3s-runtime-inspector-header > div > button > i {
  width: 0;
  height: 0;
  border-top: 4px solid transparent;
  border-bottom: 4px solid transparent;
  border-left: 6px solid #62cda0;
}

.a3s-runtime-inspector-header > div > button.is-playing > i {
  width: 6px;
  height: 6px;
  border: 0;
  border-radius: 50%;
  background: #62cda0;
  box-shadow: 0 0 10px rgba(98, 205, 160, 0.7);
  animation: a3s-flow-running 900ms ease-in-out infinite alternate;
}

.a3s-runtime-inspector-header > div > b {
  color: #788493;
  font-family: var(--a3s-mono);
  font-size: 8px;
  font-weight: 560;
}

.a3s-runtime-flow-request {
  position: relative;
  z-index: 2;
  display: grid;
  min-height: 68px;
  padding: 12px 18px;
  border-bottom: 1px solid #282f39;
  background: rgba(14, 18, 24, 0.86);
  align-items: center;
  gap: 14px;
  grid-template-columns: 78px minmax(0, 1fr);
}

.a3s-runtime-flow-request > span {
  color: #566271;
  font-family: var(--a3s-mono);
  font-size: 7px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.a3s-runtime-flow-request > code {
  overflow: hidden;
  color: #cad3df;
  font-family: var(--a3s-mono);
  font-size: 10px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.a3s-runtime-flow-request > code i {
  margin-right: 9px;
  color: #60c99d;
  font-style: normal;
}

.a3s-runtime-inspector-body {
  display: grid;
  min-height: 458px;
  grid-template-columns: minmax(235px, 0.82fr) minmax(0, 1.18fr);
}

.a3s-runtime-flow-nav {
  position: relative;
  display: flex;
  min-width: 0;
  padding: 12px;
  border-right: 1px solid #282f39;
  background:
    linear-gradient(rgba(105, 131, 171, 0.024) 1px, transparent 1px),
    linear-gradient(90deg, rgba(105, 131, 171, 0.024) 1px, transparent 1px),
    rgba(10, 13, 18, 0.6);
  background-size: 28px 28px;
  flex-direction: column;
  justify-content: center;
  gap: 3px;
}

.a3s-runtime-flow-track {
  position: absolute;
  z-index: 0;
  top: 44px;
  bottom: 44px;
  left: 35px;
  width: 1px;
  background: #252d37;
  pointer-events: none;
}

.a3s-runtime-flow-track > span {
  position: absolute;
  top: 0;
  left: 0;
  width: 1px;
  max-height: 100%;
  background: linear-gradient(#8870dd, #64a9dc 48%, #5db78f);
  box-shadow: 0 0 8px rgba(102, 163, 212, 0.35);
  transition: height 320ms ease;
}

.a3s-runtime-flow-row {
  position: relative;
  z-index: 1;
}

.a3s-runtime-flow-step {
  --flow-accent: #8870dd;
  --flow-tint: rgba(110, 82, 202, 0.08);

  position: relative;
  display: grid;
  width: 100%;
  min-height: 66px;
  padding: 7px 12px 7px 9px;
  border: 1px solid transparent;
  border-radius: 6px;
  background: transparent;
  color: #667281;
  cursor: pointer;
  align-items: center;
  gap: 10px;
  grid-template-columns: 27px minmax(0, 1fr) 7px;
  text-align: left;
  transition:
    border-color 150ms ease,
    background 150ms ease,
    color 150ms ease,
    transform 150ms ease;
}

.a3s-runtime-flow-step > span:first-child {
  position: relative;
  z-index: 2;
  display: grid;
  width: 27px;
  height: 27px;
  border: 1px solid #303946;
  border-radius: 50%;
  background: #0e1218;
  color: #576372;
  place-items: center;
  font-family: var(--a3s-mono);
  font-size: 8px;
  transition:
    border-color 150ms ease,
    background 150ms ease,
    color 150ms ease,
    box-shadow 150ms ease;
}

.a3s-runtime-flow-step > span:nth-child(2) {
  display: grid;
  min-width: 0;
  align-content: center;
  gap: 1px;
  grid-template-columns: minmax(0, 1fr);
}

.a3s-runtime-flow-step small {
  color: #505d6c;
  grid-column: 1 / -1;
  font-family: var(--a3s-mono);
  font-size: 7px;
  letter-spacing: 0.08em;
}

.a3s-runtime-flow-step strong {
  overflow: hidden;
  color: #aeb7c4;
  font-size: 11px;
  font-weight: 580;
  line-height: 1.4;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.a3s-runtime-flow-step em {
  overflow: hidden;
  color: #495563;
  font-family: var(--a3s-mono);
  font-size: 7px;
  font-style: normal;
  line-height: 1.4;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.a3s-runtime-flow-step > i {
  width: 6px;
  height: 6px;
  border: 1px solid #3a4552;
  border-radius: 50%;
  transition:
    border-color 150ms ease,
    background 150ms ease,
    box-shadow 150ms ease;
}

.a3s-runtime-flow-step:hover {
  border-color: #28313c;
  background: rgba(18, 23, 31, 0.72);
}

.a3s-runtime-flow-step.is-active {
  border-color: color-mix(in srgb, var(--flow-accent) 48%, #28313c);
  background:
    linear-gradient(100deg, var(--flow-tint), transparent 62%), #121720;
  transform: translateX(2px);
}

.a3s-runtime-flow-step.is-active > span:first-child {
  border-color: var(--flow-accent);
  background: #151a23;
  color: var(--flow-accent);
  box-shadow: 0 0 14px color-mix(in srgb, var(--flow-accent) 25%, transparent);
}

.a3s-runtime-flow-step.is-active small,
.a3s-runtime-flow-step.is-active em {
  color: var(--flow-accent);
}

.a3s-runtime-flow-step.is-active strong {
  color: #f0f3f7;
}

.a3s-runtime-flow-step.is-active > i {
  border-color: var(--flow-accent);
  background: var(--flow-accent);
  box-shadow: 0 0 10px color-mix(in srgb, var(--flow-accent) 55%, transparent);
}

.a3s-runtime-flow-step.is-complete > span:first-child {
  border-color: #456f63;
  color: #68b798;
}

.a3s-runtime-flow-step.is-complete > i {
  border-color: #4e7d6d;
  background: #5da98b;
}

.a3s-runtime-flow-step:focus-visible {
  border-color: #8294aa;
  outline: 2px solid rgba(130, 171, 224, 0.48);
  outline-offset: 2px;
}

.a3s-runtime-flow-step--context {
  --flow-accent: #65a6c3;
  --flow-tint: rgba(71, 139, 168, 0.09);
}

.a3s-runtime-flow-step--model {
  --flow-accent: #6f9ee1;
  --flow-tint: rgba(75, 120, 190, 0.1);
}

.a3s-runtime-flow-step--governance {
  --flow-accent: #d1a252;
  --flow-tint: rgba(175, 119, 34, 0.1);
}

.a3s-runtime-flow-step--execution {
  --flow-accent: #c67e57;
  --flow-tint: rgba(158, 82, 43, 0.1);
}

.a3s-runtime-flow-step--evidence {
  --flow-accent: #5ab38a;
  --flow-tint: rgba(42, 133, 94, 0.1);
}

.a3s-runtime-flow-detail {
  --flow-accent: #8870dd;
  --flow-tint: rgba(110, 82, 202, 0.065);

  display: flex;
  min-width: 0;
  padding: 22px 24px 20px;
  background:
    linear-gradient(120deg, var(--flow-tint), transparent 56%),
    rgba(11, 14, 19, 0.84);
  flex-direction: column;
  animation: a3s-flow-detail-in 180ms ease-out;
}

.a3s-runtime-flow-detail[data-step='context'] {
  --flow-accent: #65a6c3;
  --flow-tint: rgba(71, 139, 168, 0.065);
}

.a3s-runtime-flow-detail[data-step='model'] {
  --flow-accent: #6f9ee1;
  --flow-tint: rgba(75, 120, 190, 0.07);
}

.a3s-runtime-flow-detail[data-step='governance'] {
  --flow-accent: #d1a252;
  --flow-tint: rgba(175, 119, 34, 0.07);
}

.a3s-runtime-flow-detail[data-step='execution'] {
  --flow-accent: #c67e57;
  --flow-tint: rgba(158, 82, 43, 0.07);
}

.a3s-runtime-flow-detail[data-step='evidence'] {
  --flow-accent: #5ab38a;
  --flow-tint: rgba(42, 133, 94, 0.07);
}

.a3s-runtime-flow-detail > header > span {
  color: var(--flow-accent);
  font-family: var(--a3s-mono);
  font-size: 8px;
  letter-spacing: 0.08em;
}

.a3s-runtime-flow-detail > header h2 {
  margin: 9px 0 8px;
  color: #edf1f6;
  font-size: 19px;
  font-weight: 630;
  letter-spacing: -0.025em;
}

.a3s-runtime-flow-detail > header p {
  margin: 0;
  color: #8c96a3;
  font-size: 11px;
  line-height: 1.62;
}

.a3s-runtime-flow-io {
  margin-top: 18px;
  border: 1px solid #29313b;
  border-bottom: 0;
}

.a3s-runtime-flow-io > div {
  display: grid;
  min-height: 51px;
  padding: 9px 12px;
  border-bottom: 1px solid #29313b;
  align-items: center;
  gap: 12px;
  grid-template-columns: 78px minmax(0, 1fr);
}

.a3s-runtime-flow-io small,
.a3s-runtime-flow-event > small,
.a3s-runtime-flow-objects > small {
  color: #566170;
  font-family: var(--a3s-mono);
  font-size: 7px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.a3s-runtime-flow-io code {
  color: #b8c2ce;
  font-family: var(--a3s-mono);
  font-size: 8px;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.a3s-runtime-flow-detail > footer {
  display: grid;
  margin-top: auto;
  padding-top: 16px;
  gap: 14px;
}

.a3s-runtime-flow-event {
  display: grid;
  padding-left: 12px;
  border-left: 2px solid var(--flow-accent);
  gap: 5px;
  grid-template-columns: 72px minmax(0, 1fr);
}

.a3s-runtime-flow-event > code {
  color: var(--flow-accent);
  font-family: var(--a3s-mono);
  font-size: 8px;
}

.a3s-runtime-flow-event > code i {
  display: inline-block;
  width: 5px;
  height: 5px;
  margin-right: 7px;
  border-radius: 50%;
  background: var(--flow-accent);
  box-shadow: 0 0 9px var(--flow-accent);
}

.a3s-runtime-flow-event > p {
  margin: 0;
  color: #737f8d;
  grid-column: 2;
  font-size: 9px;
  line-height: 1.5;
}

.a3s-runtime-flow-objects {
  display: grid;
  align-items: start;
  gap: 10px;
  grid-template-columns: 74px minmax(0, 1fr);
}

.a3s-runtime-flow-objects > span {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.a3s-runtime-flow-objects code {
  padding: 3px 5px;
  border: 1px solid #303844;
  color: #697585;
  font-family: var(--a3s-mono);
  font-size: 7px;
}

.a3s-runtime-flow-detail--mobile {
  display: none;
}

.a3s-feature-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-template-rows: none;
}

.a3s-feature-card,
.a3s-feature-card:first-child,
.a3s-feature-card:not(:first-child),
.a3s-feature-card:last-child {
  display: flex;
  min-height: 330px;
  padding: 38px 40px 34px;
  border-right: 0;
  border-bottom: 0;
  grid-column: auto;
  grid-row: auto;
  flex-direction: column;
}

.a3s-feature-card:nth-child(odd) {
  border-right: 1px solid var(--a3s-line);
}

.a3s-feature-card:nth-child(-n + 2) {
  border-bottom: 1px solid var(--a3s-line);
}

.a3s-feature-card h3,
.a3s-feature-card:first-child h3,
.a3s-feature-card:not(:first-child) h3 {
  max-width: 500px;
  min-height: 0;
  margin: 50px 0 14px;
  font-size: clamp(22px, 2vw, 29px);
  grid-column: auto;
}

.a3s-feature-card p,
.a3s-feature-card:first-child p,
.a3s-feature-card:not(:first-child) p,
.a3s-feature-card .a3s-tag-row,
.a3s-feature-card:not(:first-child) .a3s-tag-row {
  max-width: 560px;
  grid-column: auto;
}

.a3s-feature-card:not(:first-child) .a3s-feature-number {
  padding-top: 0;
  grid-row: auto;
}

.a3s-feature-card .a3s-tag-row,
.a3s-feature-card:not(:first-child) .a3s-tag-row {
  margin-top: auto;
  padding-top: 24px;
}

.a3s-bento-grid {
  grid-template-columns: repeat(12, minmax(0, 1fr));
}

.a3s-bento-card,
.a3s-bento-card--wide {
  min-height: 310px;
}

.a3s-bento-card--policy {
  grid-column: span 7;
}

.a3s-bento-card--models {
  grid-column: span 5;
}

.a3s-bento-card--state,
.a3s-bento-card--extend,
.a3s-bento-card--workspace {
  grid-column: span 4;
}

.a3s-tutorial-step,
.a3s-tutorial-step > button {
  min-height: 310px;
}

.a3s-tutorial-step > button {
  padding: 38px 42px 34px;
}

.a3s-tutorial-step-layer {
  margin-top: 24px;
}

.a3s-tutorial-stage {
  min-height: min(660px, calc(100vh - var(--rp-nav-height) - 42px));
}

.a3s-tutorial-stage-grid {
  min-height: calc(
    min(660px, calc(100vh - var(--rp-nav-height) - 42px)) - 44px
  );
}

@media (max-width: 1180px) {
  .a3s-hero-copy {
    padding-right: 42px;
    padding-left: 42px;
  }

  .a3s-hero-visual {
    padding: 24px;
  }

  .a3s-runtime-inspector-body {
    grid-template-columns: minmax(220px, 0.82fr) minmax(0, 1.18fr);
  }

  .a3s-feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .a3s-feature-card,
  .a3s-feature-card:first-child,
  .a3s-feature-card:not(:first-child),
  .a3s-feature-card:last-child {
    min-height: 320px;
    border-right: 0;
    border-bottom: 0;
    grid-column: auto;
    grid-row: auto;
  }

  .a3s-feature-card:nth-child(odd) {
    border-right: 1px solid var(--a3s-line);
  }

  .a3s-feature-card:nth-child(-n + 2) {
    border-bottom: 1px solid var(--a3s-line);
  }
}

@media (max-width: 920px) {
  .a3s-hero {
    grid-template-columns: 1fr;
  }

  .a3s-hero-visual {
    min-height: 0;
    padding: 36px;
  }

  .a3s-runtime-inspector {
    margin: 0 auto;
  }

  .a3s-bento-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .a3s-bento-card,
  .a3s-bento-card--models,
  .a3s-bento-card--state,
  .a3s-bento-card--extend,
  .a3s-bento-card--workspace {
    grid-column: span 1;
  }

  .a3s-bento-card--policy {
    grid-column: span 2;
  }

  .a3s-tutorial-step,
  .a3s-tutorial-step > button {
    min-height: 0;
  }
}

@media (max-width: 640px) {
  .a3s-hero-copy {
    padding: 52px 24px 44px;
  }

  .a3s-hero h1 {
    font-size: 46px;
  }

  .a3s-hero-visual {
    padding: 18px 12px;
  }

  .a3s-runtime-inspector {
    min-height: 0;
  }

  .a3s-runtime-inspector-header {
    padding: 0 14px;
  }

  .a3s-runtime-inspector-header > span {
    font-size: 8px;
    letter-spacing: 0.045em;
  }

  .a3s-runtime-inspector-header > div {
    gap: 7px;
  }

  .a3s-runtime-inspector-header > div > button {
    min-height: 25px;
    padding: 0 7px;
  }

  .a3s-runtime-flow-request {
    min-height: 76px;
    padding: 12px 14px;
    gap: 8px;
    grid-template-columns: 66px minmax(0, 1fr);
  }

  .a3s-runtime-flow-request > code {
    font-size: 9px;
    line-height: 1.55;
    white-space: normal;
  }

  .a3s-runtime-inspector-body {
    display: block;
    min-height: 0;
  }

  .a3s-runtime-flow-nav {
    padding: 0;
    border-right: 0;
    background: rgba(10, 13, 18, 0.62);
    gap: 0;
  }

  .a3s-runtime-flow-track {
    display: none;
  }

  .a3s-runtime-flow-row + .a3s-runtime-flow-row {
    border-top: 1px solid #252c35;
  }

  .a3s-runtime-flow-step {
    min-height: 72px;
    padding: 9px 15px;
    border: 0;
    border-radius: 0;
    grid-template-columns: 28px minmax(0, 1fr) 7px;
  }

  .a3s-runtime-flow-step > span:nth-child(2) {
    grid-template-columns: 1fr;
  }

  .a3s-runtime-flow-step:hover,
  .a3s-runtime-flow-step.is-active {
    border-color: transparent;
    transform: none;
  }

  .a3s-runtime-flow-step strong {
    font-size: 12px;
  }

  .a3s-runtime-flow-step em {
    margin-left: 0;
  }

  .a3s-runtime-flow-detail--desktop {
    display: none;
  }

  .a3s-runtime-flow-detail--mobile {
    display: flex;
    padding: 20px 17px 22px 54px;
    border-top: 1px solid #252c35;
    border-bottom: 1px solid #252c35;
  }

  .a3s-runtime-flow-detail > header h2 {
    font-size: 18px;
  }

  .a3s-runtime-flow-detail > header p {
    font-size: 11px;
  }

  .a3s-runtime-flow-io > div {
    padding: 9px 10px;
    grid-template-columns: 74px minmax(0, 1fr);
  }

  .a3s-runtime-flow-event {
    grid-template-columns: 66px minmax(0, 1fr);
  }

  .a3s-runtime-flow-objects {
    grid-template-columns: 68px minmax(0, 1fr);
  }

  .a3s-feature-grid {
    grid-template-columns: 1fr;
  }

  .a3s-feature-card,
  .a3s-feature-card:nth-child(n),
  .a3s-feature-card:first-child,
  .a3s-feature-card:last-child {
    min-height: 290px;
    padding: 32px 24px;
    border-right: 0;
    border-bottom: 1px solid var(--a3s-line);
  }

  .a3s-feature-card:last-child {
    border-bottom: 0;
  }

  .a3s-feature-card h3,
  .a3s-feature-card:first-child h3,
  .a3s-feature-card:not(:first-child) h3 {
    margin-top: 38px;
    font-size: 22px;
  }

  .a3s-bento-grid {
    grid-template-columns: 1fr;
  }

  .a3s-bento-card,
  .a3s-bento-card--policy,
  .a3s-bento-card--models,
  .a3s-bento-card--state,
  .a3s-bento-card--extend,
  .a3s-bento-card--workspace {
    grid-column: span 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .a3s-runtime-model-slab,
  .a3s-runtime-layer-control,
  .a3s-runtime-flow-step,
  .a3s-runtime-flow-track > span {
    transition: none;
  }

  .a3s-runtime-layer-detail--mobile,
  .a3s-runtime-flow-detail,
  .a3s-runtime-inspector-header > div > button.is-playing > i {
    animation: none;
  }
}

@keyframes a3s-layer-detail-in {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes a3s-flow-detail-in {
  from {
    opacity: 0;
    transform: translateY(3px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes a3s-flow-running {
  from {
    opacity: 0.45;
    transform: scale(0.82);
  }

  to {
    opacity: 1;
    transform: scale(1);
  }
}