:root {
  color-scheme: dark;
  --page: #04091c;
  --panel: #091536;
  --panel-soft: rgba(9, 21, 54, 0.72);
  --line: rgba(130, 171, 255, 0.17);
  --line-strong: rgba(74, 213, 255, 0.35);
  --text: #f5f8ff;
  --muted: #a3b2d4;
  --quiet: #7283ab;
  --cyan: #38ddff;
  --blue: #347cff;
  --violet: #8a5dff;
  --orange: #ffac37;
  --green: #54e3a8;
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  background: var(--page);
  color: var(--text);
}

* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}
body {
  min-width: 320px;
  margin: 0;
  background:
    radial-gradient(
      circle at 75% 0,
      rgba(37, 91, 255, 0.16),
      transparent 35rem
    ),
    radial-gradient(
      circle at 12% 32%,
      rgba(60, 215, 255, 0.06),
      transparent 30rem
    ),
    linear-gradient(180deg, #050b22, var(--page) 34rem);
}
a {
  color: inherit;
}
code,
pre {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}
code {
  color: #bceeff;
}
.skip-link {
  position: fixed;
  top: -80px;
  left: 16px;
  z-index: 100;
  padding: 12px 16px;
  border-radius: 10px;
  background: white;
  color: #07112c;
  font-weight: 800;
}
.skip-link:focus {
  top: 12px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  min-height: 76px;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 10px max(24px, calc((100vw - 1440px) / 2));
  border-bottom: 1px solid var(--line);
  background: rgba(4, 9, 28, 0.82);
  backdrop-filter: blur(22px) saturate(1.2);
}
.brand {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 12px;
  color: white;
  font-size: 1.24rem;
  font-weight: 900;
  letter-spacing: -0.045em;
  text-decoration: none;
}
.brand img {
  width: 48px;
  height: 48px;
  border-radius: 15px;
  filter: drop-shadow(0 8px 15px rgba(29, 114, 255, 0.25));
}
.brand b {
  color: var(--orange);
  font-size: 1.08em;
}
.topbar nav {
  display: flex;
  align-items: center;
  gap: 25px;
}
.topbar nav a {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 720;
  text-decoration: none;
}
.topbar nav a:hover {
  color: white;
}
.topbar .nav-button {
  padding: 10px 15px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(28, 95, 205, 0.18);
  color: #ddf9ff;
}

.layout {
  display: grid;
  width: min(1440px, 100%);
  margin-inline: auto;
  grid-template-columns: 224px minmax(0, 1fr);
}
.side-nav {
  position: sticky;
  top: 76px;
  align-self: start;
  height: calc(100vh - 76px);
  padding: 42px 26px 36px;
  border-right: 1px solid var(--line);
}
.side-nav p {
  margin: 0 0 14px;
  color: var(--quiet);
  font-size: 0.68rem;
  font-weight: 840;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}
.side-nav a {
  display: block;
  padding: 7px 0;
  color: #8798c1;
  font-size: 0.78rem;
  font-weight: 660;
  text-decoration: none;
}
.side-nav a:hover {
  color: var(--cyan);
}
main {
  min-width: 0;
  width: min(100%, 1110px);
  padding: 0 58px 100px;
}
main > section {
  padding: 92px 0;
  border-bottom: 1px solid var(--line);
}

.hero {
  position: relative;
  min-height: 610px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
}
.hero-glow {
  position: absolute;
  z-index: -1;
  width: 500px;
  height: 500px;
  right: -100px;
  top: 50%;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(49, 119, 255, 0.23),
    rgba(88, 60, 255, 0.07) 44%,
    transparent 70%
  );
  transform: translateY(-50%);
}
.eyebrow,
.kicker {
  margin: 0 0 16px;
  color: var(--cyan);
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}
h1,
h2,
h3,
p {
  margin-top: 0;
}
h1 {
  max-width: 820px;
  margin-bottom: 24px;
  font-size: clamp(3.2rem, 7.4vw, 6.7rem);
  line-height: 0.88;
  letter-spacing: -0.075em;
}
h1 em {
  background: linear-gradient(100deg, var(--cyan), var(--blue) 50%, #ab69ff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-style: normal;
}
h2 {
  margin-bottom: 17px;
  font-size: clamp(2rem, 4.6vw, 3.5rem);
  line-height: 0.98;
  letter-spacing: -0.058em;
}
h3 {
  margin-bottom: 9px;
  font-size: 1.04rem;
  letter-spacing: -0.025em;
}
p {
  color: var(--muted);
  line-height: 1.72;
}
.lede {
  max-width: 800px;
  margin-bottom: 30px;
  font-size: clamp(1rem, 2vw, 1.2rem);
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}
.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border-radius: 13px;
  font-size: 0.84rem;
  font-weight: 820;
  text-decoration: none;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
}
.button:hover {
  transform: translateY(-2px);
}
.button.primary {
  background: linear-gradient(
    135deg,
    var(--cyan),
    var(--blue) 68%,
    var(--violet)
  );
  box-shadow: 0 16px 38px rgba(33, 111, 255, 0.27);
  color: white;
}
.button.secondary {
  border: 1px solid var(--line-strong);
  background: rgba(10, 28, 70, 0.54);
  color: #def8ff;
}
.text-link {
  margin-left: 5px;
  color: #8edfff;
  font-size: 0.83rem;
  font-weight: 760;
  text-underline-offset: 4px;
}
.version-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 34px;
}
.version-row span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #8294bf;
  font-size: 0.73rem;
  font-weight: 690;
}
.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
}
.dot.live {
  background: var(--green);
  box-shadow: 0 0 13px rgba(84, 227, 168, 0.65);
}

.section-heading {
  max-width: 820px;
  margin-bottom: 35px;
}
.section-heading > p:last-child {
  margin-bottom: 0;
}
.principle-grid,
.profile-grid,
.bridge-grid,
.mobile-grid,
.availability-grid {
  display: grid;
  gap: 14px;
}
.principle-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.principle-grid article,
.profile-grid article,
.bridge-grid article,
.mobile-grid article,
.availability-grid article {
  border: 1px solid var(--line);
  border-radius: 20px;
  background: linear-gradient(
    150deg,
    rgba(12, 29, 70, 0.72),
    rgba(6, 16, 46, 0.78)
  );
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
}
.principle-grid article {
  padding: 26px;
}
.principle-grid article > span {
  display: inline-block;
  margin-bottom: 25px;
  color: #538aff;
  font:
    750 0.72rem "SFMono-Regular",
    monospace;
}
.principle-grid p,
.profile-grid p,
.bridge-grid p,
.mobile-grid p,
.availability-grid p {
  margin-bottom: 0;
  font-size: 0.85rem;
}

.flow {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  align-items: center;
  gap: 12px;
  margin-bottom: 25px;
}
.flow > div {
  min-height: 116px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--panel-soft);
}
.flow b {
  color: var(--cyan);
  font-size: 0.72rem;
}
.flow span {
  margin: 7px 0 3px;
  font-size: 0.86rem;
  font-weight: 820;
}
.flow small {
  color: var(--quiet);
  font-size: 0.68rem;
  line-height: 1.35;
}
.flow > i {
  color: #487de8;
  font-style: normal;
}

.code-card {
  min-width: 0;
  overflow: hidden;
  border: 1px solid rgba(76, 178, 255, 0.25);
  border-radius: 20px;
  background: #040b20;
  box-shadow: 0 26px 70px rgba(0, 0, 0, 0.18);
}
.code-title {
  display: flex;
  min-height: 46px;
  align-items: center;
  gap: 9px;
  padding: 0 18px;
  border-bottom: 1px solid var(--line);
  background: rgba(12, 29, 70, 0.62);
  color: #a7b9dc;
  font:
    700 0.72rem "SFMono-Regular",
    monospace;
}
.code-title span {
  padding: 4px 7px;
  border-radius: 6px;
  background: rgba(56, 221, 255, 0.12);
  color: var(--cyan);
  font-size: 0.64rem;
}
pre {
  max-width: 100%;
  margin: 0;
  padding: 22px;
  overflow-x: auto;
  color: #d4e4ff;
  font-size: 0.78rem;
  line-height: 1.72;
  tab-size: 2;
}
pre code {
  color: inherit;
}
.compact pre {
  max-height: 560px;
}
.callout {
  display: flex;
  gap: 10px;
  margin-top: 22px;
  padding: 17px 19px;
  border: 1px solid rgba(69, 201, 255, 0.2);
  border-radius: 14px;
  background: rgba(33, 102, 190, 0.1);
  color: #bbcae8;
  font-size: 0.8rem;
  line-height: 1.55;
}
.callout strong {
  flex: 0 0 auto;
  color: #e9f9ff;
}
.callout.important {
  border-color: rgba(255, 172, 55, 0.24);
  background: rgba(255, 148, 45, 0.075);
}

.profile-grid {
  grid-template-columns: repeat(6, minmax(0, 1fr));
}
.profile-grid article {
  grid-column: span 2;
  padding: 22px;
}
.profile-grid article:nth-child(4),
.profile-grid article:nth-child(5) {
  grid-column: span 3;
}
.profile-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 25px;
}
.profile-icon {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid rgba(84, 221, 255, 0.28);
  border-radius: 13px;
  background: linear-gradient(
    145deg,
    rgba(52, 124, 255, 0.3),
    rgba(138, 93, 255, 0.15)
  );
  color: #e7fbff;
  font-size: 0.8rem;
  font-weight: 900;
}
.profile-grid article > code {
  display: inline-block;
  margin-top: 18px;
  padding: 5px 8px;
  border-radius: 7px;
  background: rgba(68, 126, 255, 0.1);
  font-size: 0.68rem;
}
.status {
  display: inline-flex;
  width: max-content;
  align-items: center;
  padding: 5px 8px;
  border: 1px solid;
  border-radius: 99px;
  font-size: 0.61rem;
  font-weight: 850;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.live-status {
  border-color: rgba(84, 227, 168, 0.28);
  background: rgba(84, 227, 168, 0.09);
  color: #85efc2;
}
.conditional-status {
  border-color: rgba(68, 145, 255, 0.33);
  background: rgba(68, 145, 255, 0.1);
  color: #93c4ff;
}
.preview-status {
  border-color: rgba(255, 172, 55, 0.32);
  background: rgba(255, 172, 55, 0.09);
  color: #ffd18b;
}

.two-column {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  align-items: center;
  gap: 24px;
}
.two-column.align-start {
  align-items: start;
}
.definition-list {
  display: grid;
  gap: 3px;
}
.definition-list > div {
  padding: 17px 18px;
  border-bottom: 1px solid var(--line);
}
.definition-list p {
  margin: 7px 0 0;
  font-size: 0.8rem;
}
.definition-list code {
  font-size: 0.76rem;
  font-weight: 730;
}
.check-list,
.number-list {
  display: grid;
  gap: 15px;
  margin: 0;
  padding: 6px 0 0;
  list-style: none;
}
.check-list li {
  position: relative;
  padding-left: 27px;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.62;
}
.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 1px;
  display: grid;
  width: 18px;
  height: 18px;
  place-items: center;
  border-radius: 50%;
  background: rgba(84, 227, 168, 0.11);
  color: var(--green);
  font-size: 0.67rem;
  font-weight: 900;
}
.number-list {
  counter-reset: steps;
}
.number-list li {
  position: relative;
  padding-left: 42px;
  counter-increment: steps;
}
.number-list li::before {
  content: counter(steps);
  position: absolute;
  left: 0;
  top: 0;
  display: grid;
  width: 27px;
  height: 27px;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 9px;
  color: var(--cyan);
  font: 750 0.7rem monospace;
}
.number-list b,
.number-list span {
  display: block;
}
.number-list b {
  margin-bottom: 3px;
  font-size: 0.82rem;
}
.number-list span {
  color: var(--muted);
  font-size: 0.76rem;
  line-height: 1.5;
}

.event-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 22px 0;
}
.event-cloud code {
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(38, 83, 169, 0.09);
  font-size: 0.68rem;
}
.bridge-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.bridge-grid article {
  min-width: 0;
  padding: 19px;
}
.bridge-grid code {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 0.68rem;
}
.fine-print {
  margin: 22px 0 0;
  color: var(--quiet);
  font-size: 0.76rem;
}

.settlement-flow {
  display: grid;
  grid-template-columns: 1fr auto 0.8fr auto 1.4fr;
  align-items: stretch;
  gap: 15px;
  margin: 0 0 26px;
}
.settlement-flow > div {
  display: flex;
  min-height: 120px;
  flex-direction: column;
  justify-content: center;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--panel-soft);
}
.settlement-flow > i {
  align-self: center;
  color: var(--orange);
  font-style: normal;
}
.settlement-flow small {
  color: var(--quiet);
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.settlement-flow strong {
  margin: 7px 0;
  font-size: 1.35rem;
}
.settlement-flow div > span {
  color: var(--muted);
  font-size: 0.72rem;
}
.settlement-flow .beneficiaries {
  display: grid;
  gap: 7px;
}
.beneficiaries span {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 7px 9px;
  border-radius: 8px;
  background: rgba(74, 117, 216, 0.1);
}
.beneficiaries b {
  color: white;
}

.mobile-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.mobile-grid article {
  padding: 23px;
}
.mobile-grid article > span {
  display: inline-grid;
  width: 36px;
  height: 36px;
  margin-bottom: 20px;
  place-items: center;
  border-radius: 10px;
  background: rgba(54, 124, 255, 0.14);
  color: var(--cyan);
}
.mobile-grid code {
  font-size: 0.72rem;
}
.availability-grid {
  grid-template-columns: repeat(6, minmax(0, 1fr));
}
.availability-grid article {
  grid-column: span 2;
  padding: 22px;
}
.availability-grid article:nth-child(4),
.availability-grid article:nth-child(5) {
  grid-column: span 3;
}
.availability-grid .status {
  margin-bottom: 20px;
}

.security-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}
.security-list label {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: rgba(9, 21, 54, 0.48);
  color: #b9c5e1;
  font-size: 0.8rem;
  line-height: 1.5;
}
.security-list input {
  width: 17px;
  height: 17px;
  flex: 0 0 auto;
  margin: 2px 0 0;
  accent-color: var(--cyan);
  opacity: 1;
}
.resources {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 50px;
  border-bottom: 0;
}
.resources h2 {
  max-width: 650px;
}
.resources p {
  max-width: 700px;
  margin-bottom: 0;
}
.resource-actions {
  display: grid;
  gap: 10px;
}

footer {
  display: flex;
  max-width: 1440px;
  min-height: 140px;
  margin-inline: auto;
  align-items: center;
  gap: 28px;
  padding: 28px max(24px, calc((100vw - 1390px) / 2));
  border-top: 1px solid var(--line);
}
footer .brand img {
  width: 40px;
  height: 40px;
  border-radius: 12px;
}
footer p {
  flex: 1;
  margin: 0;
  font-size: 0.75rem;
}
footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}
footer nav a {
  color: var(--quiet);
  font-size: 0.73rem;
  text-decoration: none;
}
footer nav a:hover {
  color: white;
}

@media (max-width: 1060px) {
  .topbar nav a:not(.nav-button) {
    display: none;
  }
  .layout {
    grid-template-columns: 1fr;
  }
  .side-nav {
    display: none;
  }
  main {
    margin-inline: auto;
    padding-inline: 32px;
  }
}

@media (max-width: 760px) {
  html {
    scroll-padding-top: 74px;
  }
  .topbar {
    min-height: 68px;
    padding-inline: 18px;
  }
  .topbar .brand img {
    width: 42px;
    height: 42px;
    border-radius: 13px;
  }
  .topbar .brand {
    font-size: 1.08rem;
  }
  .topbar .nav-button {
    padding: 9px 12px;
  }
  main {
    padding: 0 20px 70px;
  }
  main > section {
    padding: 68px 0;
  }
  .hero {
    min-height: 560px;
  }
  h1 {
    font-size: clamp(3.05rem, 16vw, 5.5rem);
  }
  .text-link {
    width: 100%;
    margin: 5px 0 0;
  }
  .principle-grid,
  .bridge-grid,
  .mobile-grid,
  .security-list,
  .two-column {
    grid-template-columns: 1fr;
  }
  .profile-grid,
  .availability-grid {
    grid-template-columns: 1fr;
  }
  .profile-grid article,
  .profile-grid article:nth-child(4),
  .profile-grid article:nth-child(5),
  .availability-grid article,
  .availability-grid article:nth-child(4),
  .availability-grid article:nth-child(5) {
    grid-column: auto;
  }
  .flow {
    grid-template-columns: 1fr;
  }
  .flow > div {
    min-height: 92px;
  }
  .flow > i {
    justify-self: center;
    transform: rotate(90deg);
  }
  .settlement-flow {
    grid-template-columns: 1fr;
  }
  .settlement-flow > i {
    transform: rotate(90deg);
  }
  .callout {
    flex-direction: column;
  }
  pre {
    padding: 18px;
    font-size: 0.7rem;
  }
  .resources {
    grid-template-columns: 1fr;
    align-items: start;
  }
  .resource-actions {
    width: 100%;
  }
  footer {
    align-items: flex-start;
    flex-direction: column;
    padding-block: 34px 100px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}