:root {
  color-scheme: dark;
  --background: #071218;
  --background-soft: #0a1a22;
  --foreground: #defcff;
  --muted: #86a2ae;
  --faint: #4e6a76;
  --line: rgba(222, 252, 255, 0.13);
  --line-strong: rgba(50, 201, 253, 0.34);
  --accent-dark: #076cab;
  --accent: #32c9fd;
  --accent-pale: #defcff;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --container: min(1280px, calc(100% - 96px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  color: var(--foreground);
  background:
    radial-gradient(circle at 84% 16%, rgba(7, 108, 171, 0.12), transparent 32%),
    var(--background);
  font-family: "Outfit", "Noto Sans SC", sans-serif;
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: 6;
  pointer-events: none;
  content: "";
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.8'/%3E%3C/svg%3E");
}

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

button {
  color: inherit;
  font: inherit;
}

svg {
  display: block;
}

.ambient {
  position: absolute;
  inset: 0 0 auto;
  height: 860px;
  overflow: hidden;
  pointer-events: none;
}

.ambient::after {
  position: absolute;
  inset: 0;
  content: "";
  background-image:
    linear-gradient(rgba(50, 201, 253, 0.032) 1px, transparent 1px),
    linear-gradient(90deg, rgba(50, 201, 253, 0.032) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, black, transparent 86%);
}

.ambient-orbit {
  position: absolute;
  border: 1px solid rgba(50, 201, 253, 0.12);
  border-radius: 50%;
}

.ambient-orbit-a {
  top: 180px;
  right: -230px;
  width: 760px;
  height: 760px;
}

.ambient-orbit-b {
  top: 282px;
  right: -128px;
  width: 550px;
  height: 550px;
}

.ambient-point {
  position: absolute;
  width: 5px;
  height: 5px;
  background: var(--accent);
  border-radius: 50%;
  animation: breathe 3.2s var(--ease) infinite;
}

.ambient-point-a {
  top: 242px;
  right: 290px;
}

.ambient-point-b {
  top: 596px;
  right: 152px;
  animation-delay: 1.1s;
}

.header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 4;
  pointer-events: none;
}

.header-inner {
  width: min(920px, calc(100% - 48px));
  height: 66px;
  margin: 18px auto 0;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 22px;
  border: 1px solid rgba(50, 201, 253, 0.23);
  border-radius: 999px;
  background: rgba(7, 18, 24, 0.78);
  box-shadow:
    inset 0 1px 0 rgba(222, 252, 255, 0.08),
    0 18px 48px rgba(2, 10, 14, 0.24);
  backdrop-filter: blur(18px);
  pointer-events: auto;
}

.brand {
  width: max-content;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 20px;
  font-weight: 500;
  letter-spacing: 0.045em;
}

.brand-mark {
  width: 28px;
  height: 28px;
  fill: none;
  stroke: var(--accent);
  stroke-width: 2;
}

.brand-mark path:last-child {
  stroke: var(--accent-pale);
  opacity: 0.56;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 38px;
}

.desktop-nav a {
  position: relative;
  padding: 24px 0 22px;
  color: var(--muted);
  font-size: 13px;
  transition: color 450ms var(--ease);
}

.desktop-nav a::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 1px;
  content: "";
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 550ms var(--ease);
}

.desktop-nav a:hover,
.desktop-nav a.is-active {
  color: var(--foreground);
}

.desktop-nav a:hover::after,
.desktop-nav a.is-active::after {
  transform: scaleX(1);
  transform-origin: left;
}

.menu-trigger {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 12px 10px 16px;
  border: 1px solid transparent;
  border-radius: 999px;
  background: transparent;
  cursor: pointer;
  transition:
    background 450ms var(--ease),
    border-color 450ms var(--ease);
}

.menu-trigger:hover {
  border-color: var(--line);
  background: rgba(50, 201, 253, 0.07);
}

.menu-trigger > span {
  color: var(--muted);
  font-size: 12px;
}

.menu-trigger i {
  position: relative;
  width: 28px;
  height: 20px;
}

.menu-trigger b {
  position: absolute;
  left: 0;
  width: 28px;
  height: 1px;
  background: var(--foreground);
  transition: transform 600ms var(--ease);
}

.menu-trigger b:first-child {
  top: 6px;
}

.menu-trigger b:last-child {
  top: 14px;
}

.menu-trigger[aria-expanded="true"] b:first-child {
  transform: translateY(4px) rotate(45deg);
}

.menu-trigger[aria-expanded="true"] b:last-child {
  transform: translateY(-4px) rotate(-45deg);
}

.menu-layer {
  position: fixed;
  inset: 0;
  z-index: 3;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  padding: 150px max(48px, calc((100vw - 1280px) / 2)) 64px;
  background: rgba(5, 16, 22, 0.96);
  backdrop-filter: blur(24px);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-24px);
  transition:
    opacity 600ms var(--ease),
    transform 700ms var(--ease);
}

.menu-layer[aria-hidden="false"] {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.menu-layer-nav {
  max-width: 740px;
}

.menu-layer-nav > p {
  margin: 0 0 28px;
  color: var(--accent);
  font: 10px/1 "JetBrains Mono", monospace;
  letter-spacing: 0.14em;
}

.menu-layer-nav a {
  display: grid;
  grid-template-columns: 52px 1fr;
  align-items: baseline;
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
  opacity: 0;
  transform: translateY(28px);
  transition:
    color 400ms var(--ease),
    opacity 600ms var(--ease),
    transform 700ms var(--ease);
}

.menu-layer[aria-hidden="false"] a {
  opacity: 1;
  transform: translateY(0);
}

.menu-layer[aria-hidden="false"] a:nth-of-type(2) {
  transition-delay: 70ms;
}

.menu-layer[aria-hidden="false"] a:nth-of-type(3) {
  transition-delay: 140ms;
}

.menu-layer-nav a:hover {
  color: var(--accent);
}

.menu-layer-nav a span {
  color: var(--faint);
  font: 11px/1 "JetBrains Mono", monospace;
}

.menu-layer-nav a strong {
  font-size: clamp(42px, 6vw, 78px);
  font-weight: 400;
  letter-spacing: -0.045em;
}

.menu-layer-note {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

main,
.footer {
  width: var(--container);
  margin: 0 auto;
}

.hero {
  position: relative;
  min-height: 100dvh;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(420px, 1.08fr);
  align-items: center;
  gap: 7vw;
  padding: 160px 0 120px;
}

.hero-copy {
  position: relative;
}

.display-index {
  color: rgba(222, 252, 255, 0.07);
  font: 500 clamp(92px, 11vw, 156px) / 0.72 "Outfit", sans-serif;
  letter-spacing: -0.07em;
  user-select: none;
}

.hero-display-index {
  position: absolute;
  top: -84px;
  left: -12px;
  z-index: -1;
}

#top,
#destinations,
#updates {
  scroll-margin-top: 112px;
}

.section-code {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  color: var(--accent);
  font: 10px/1.4 "JetBrains Mono", monospace;
  letter-spacing: 0.13em;
}

.section-code span {
  width: 22px;
  height: 1px;
  background: var(--accent);
}

.hero h1 {
  max-width: 710px;
  margin: 34px 0 30px;
  font-size: clamp(58px, 6.3vw, 92px);
  font-weight: 500;
  line-height: 0.99;
  letter-spacing: -0.06em;
}

.hero-description {
  max-width: 430px;
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.9;
}

.hero-link {
  width: max-content;
  margin-top: 42px;
  display: inline-flex;
  align-items: center;
  gap: 18px;
  padding: 13px 15px 13px 19px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(50, 201, 253, 0.055);
  font-size: 13px;
  transition:
    color 450ms var(--ease),
    border-color 450ms var(--ease),
    background 450ms var(--ease),
    transform 450ms var(--ease);
}

.hero-link svg {
  width: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  transition: transform 550ms var(--ease);
}

.hero-link:hover {
  color: var(--background);
  border-color: var(--accent);
  background: var(--accent);
}

.hero-link:hover svg {
  transform: translateX(5px);
}

.hero-link:active {
  transform: translateY(1px);
}

.hero-visual {
  position: relative;
  min-height: 520px;
}

.visual-axis {
  position: absolute;
  background: linear-gradient(90deg, transparent, rgba(50, 201, 253, 0.25), transparent);
}

.visual-axis-x {
  top: 50%;
  right: 3%;
  left: 3%;
  height: 1px;
}

.visual-axis-y {
  top: 3%;
  bottom: 3%;
  left: 50%;
  width: 1px;
  background: linear-gradient(transparent, rgba(50, 201, 253, 0.25), transparent);
}

.visual-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  border: 1px solid rgba(50, 201, 253, 0.2);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.visual-ring-outer {
  width: 440px;
  height: 440px;
  animation: rotate 24s linear infinite;
}

.visual-ring-outer::before,
.visual-ring-outer::after {
  position: absolute;
  width: 7px;
  height: 7px;
  content: "";
  background: var(--accent);
  border-radius: 50%;
}

.visual-ring-outer::before {
  top: 47px;
  left: 62px;
}

.visual-ring-outer::after {
  right: 15px;
  bottom: 137px;
  background: var(--accent-pale);
}

.visual-ring-inner {
  width: 250px;
  height: 250px;
  border-color: rgba(222, 252, 255, 0.12);
}

.visual-core {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 112px;
  height: 112px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  transform: translate(-50%, -50%) rotate(45deg);
}

.visual-core::before {
  position: absolute;
  inset: 10px;
  content: "";
  border: 1px solid var(--line);
}

.visual-core span {
  width: 14px;
  height: 14px;
  background: linear-gradient(135deg, var(--accent-dark), var(--accent), var(--accent-pale));
  transform: rotate(-45deg);
  animation: breathe 2.6s var(--ease) infinite;
}

.visual-node {
  position: absolute;
  width: 11px;
  height: 11px;
  border: 1px solid var(--accent);
  transform: rotate(45deg);
}

.visual-node-a {
  top: 31%;
  left: 17%;
}

.visual-node-b {
  right: 14%;
  bottom: 22%;
}

.coordinate {
  position: absolute;
  color: var(--faint);
  font: 9px/1 "JetBrains Mono", monospace;
  letter-spacing: 0.1em;
}

.coordinate-top {
  top: 9%;
  right: 9%;
}

.coordinate-bottom {
  bottom: 8%;
  left: 7%;
}

.hero-index {
  position: absolute;
  right: 0;
  bottom: 42px;
  display: flex;
  gap: 14px;
  color: var(--faint);
  font: 9px/1 "JetBrains Mono", monospace;
}

.portals {
  padding: 128px 0 140px;
  border-top: 1px solid var(--line);
}

.section-intro {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 40px;
  align-items: start;
  margin-bottom: 70px;
}

.section-intro h2 {
  margin: 28px 0 15px;
  font-size: clamp(36px, 4vw, 58px);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.045em;
}

.section-intro > div > p {
  max-width: 430px;
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

.portal-list {
  display: grid;
  gap: 14px;
}

.portal-row {
  position: relative;
  min-height: 156px;
  display: grid;
  grid-template-columns: 90px minmax(0, 1fr) 190px 54px;
  gap: 24px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding-right: 24px;
  padding-left: 24px;
  isolation: isolate;
  transition:
    color 500ms var(--ease),
    padding 650ms var(--ease);
}

.portal-row::before {
  position: absolute;
  inset: 0;
  z-index: -1;
  content: "";
  background: linear-gradient(90deg, rgba(7, 108, 171, 0.2), rgba(50, 201, 253, 0.055));
  opacity: 0;
  transform: scaleY(0.7);
  transition:
    opacity 500ms var(--ease),
    transform 650ms var(--ease);
}

.portal-row:hover {
  padding-right: 30px;
  padding-left: 30px;
  border-color: var(--line-strong);
}

.portal-row:hover::before {
  opacity: 1;
  transform: scaleY(1);
}

.portal-row:active {
  transform: translateY(1px);
}

.portal-number,
.portal-type {
  color: var(--faint);
  font: 10px/1 "JetBrains Mono", monospace;
  letter-spacing: 0.1em;
}

.portal-name {
  display: grid;
  gap: 10px;
}

.portal-name strong {
  font-size: clamp(25px, 3vw, 42px);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.035em;
}

.portal-name small {
  color: var(--muted);
  font-size: 13px;
}

.portal-backup {
  color: var(--faint);
  font: 10px/1 "JetBrains Mono", monospace;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.portal-arrow {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  transition:
    color 500ms var(--ease),
    background 500ms var(--ease),
    transform 600ms var(--ease);
}

.portal-arrow svg {
  width: 19px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
}

.portal-row:hover .portal-arrow {
  color: var(--background);
  background: var(--accent);
  transform: translate(4px, -4px);
}

.updates {
  min-height: 360px;
  display: grid;
  grid-template-columns: 0.36fr 1fr auto;
  gap: 48px;
  align-items: center;
  padding: 88px 0;
  border-top: 1px solid var(--line);
}

.updates-index {
  color: rgba(222, 252, 255, 0.07);
  font: 500 clamp(100px, 15vw, 220px)/0.7 "Outfit", sans-serif;
  letter-spacing: -0.07em;
}

.updates-copy h2 {
  margin: 25px 0 14px;
  font-size: clamp(31px, 4vw, 52px);
  font-weight: 500;
  letter-spacing: -0.045em;
}

.updates-description {
  max-width: 510px;
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

.updates-list {
  max-width: 650px;
  margin-top: 34px;
  display: grid;
  gap: 14px;
}

.update-item {
  display: block;
  padding: 21px 23px 22px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(10, 31, 41, 0.82), rgba(7, 18, 24, 0.88));
  box-shadow: inset 0 1px 0 rgba(222, 252, 255, 0.06);
  transition:
    color 450ms var(--ease),
    border-color 450ms var(--ease),
    background 450ms var(--ease),
    transform 550ms var(--ease);
}

.update-item:hover {
  transform: translateX(6px);
  color: var(--accent);
  border-color: var(--line-strong);
  background: rgba(50, 201, 253, 0.045);
}

.update-meta {
  margin-bottom: 8px;
  color: var(--faint);
  font: 9px/1 "JetBrains Mono", monospace;
  letter-spacing: 0.08em;
}

.update-item h3 {
  margin: 0 0 6px;
  color: var(--foreground);
  font-size: 16px;
  font-weight: 500;
}

.update-item p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.65;
}

.update-item:hover h3 {
  color: var(--accent);
}

.updates-loading,
.updates-error {
  padding: 18px 0;
  color: var(--faint);
  font-size: 12px;
}

.updates-status {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--muted);
  font-size: 12px;
}

.updates-status span {
  width: 7px;
  height: 7px;
  background: var(--accent);
  border-radius: 50%;
  animation: breathe 2.6s var(--ease) infinite;
}

.footer {
  min-height: 96px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  border-top: 1px solid var(--line);
  color: var(--faint);
  font: 9px/1 "JetBrains Mono", monospace;
  letter-spacing: 0.08em;
}

.footer span:nth-child(2) {
  justify-self: center;
}

.footer a {
  justify-self: end;
  transition: color 400ms var(--ease);
}

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

.reveal {
  opacity: 0;
  transform: translateY(34px);
  transition:
    opacity 850ms var(--ease),
    transform 850ms var(--ease);
}

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

@keyframes rotate {
  to {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

@keyframes breathe {
  0%,
  100% {
    opacity: 0.45;
    transform: scale(0.82);
  }
  50% {
    opacity: 1;
    transform: scale(1);
  }
}

@media (max-width: 900px) {
  :root {
    --container: min(100% - 48px, 720px);
  }

  .desktop-nav {
    display: none;
  }

  .header-inner {
    grid-template-columns: 1fr auto;
  }

  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 30px;
    padding: 100px 0 90px;
  }

  .hero-visual {
    min-height: 430px;
  }

  .hero-index {
    display: none;
  }

  .section-intro {
    grid-template-columns: 110px 1fr;
  }

  .section-intro > div:last-child {
    grid-column: 2;
  }

  .portal-row {
    grid-template-columns: 64px minmax(0, 1fr) 46px;
  }

  .portal-type {
    display: none;
  }

  .updates {
    grid-template-columns: 120px 1fr;
  }

  .updates-status {
    grid-column: 2;
  }

  .updates-list {
    margin-top: 28px;
  }

}

@media (max-width: 600px) {
  :root {
    --container: calc(100% - 32px);
  }

  .header-inner {
    width: calc(100% - 24px);
    height: 60px;
    margin-top: 12px;
    padding: 0 16px;
  }

  .brand {
    font-size: 17px;
  }

  .brand-mark {
    width: 24px;
    height: 24px;
  }

  .menu-trigger > span {
    display: none;
  }

  .menu-layer {
    display: block;
    padding: 128px 16px 36px;
  }

  .menu-layer-note {
    position: absolute;
    bottom: 30px;
  }

  .hero {
    padding: 132px 0 70px;
  }

  .hero h1 {
    margin-top: 27px;
    font-size: clamp(47px, 15vw, 67px);
  }

  .hero-description {
    font-size: 14px;
  }

  .hero-visual {
    min-height: 330px;
  }

  .visual-ring-outer {
    width: 300px;
    height: 300px;
  }

  .visual-ring-inner {
    width: 176px;
    height: 176px;
  }

  .visual-core {
    width: 82px;
    height: 82px;
  }

  .portals {
    padding: 88px 0 96px;
  }

  .section-intro {
    grid-template-columns: 1fr;
    margin-bottom: 46px;
  }

  .section-intro > div:last-child {
    grid-column: auto;
  }

  .display-index {
    font-size: 84px;
  }

  .hero-display-index {
    top: -58px;
    left: -4px;
  }

  .portal-row {
    min-height: 128px;
    grid-template-columns: 34px minmax(0, 1fr) 40px;
    gap: 13px;
    padding-right: 16px;
    padding-left: 16px;
    border-radius: 14px;
  }

  .portal-row:hover {
    padding-right: 20px;
    padding-left: 20px;
  }

  .portal-name strong {
    font-size: 22px;
  }

  .portal-name small {
    font-size: 11px;
  }

  .portal-backup {
    font-size: 9px;
  }

  .portal-arrow {
    width: 38px;
    height: 38px;
    border-radius: 10px;
  }

  .updates {
    min-height: 330px;
    grid-template-columns: 1fr;
    gap: 18px;
    padding: 72px 0;
  }

  .updates-index {
    font-size: 100px;
  }

  .updates-status {
    grid-column: auto;
  }

  .updates-list {
    margin-top: 24px;
  }

  .update-item {
    padding: 18px 17px 19px;
    border-radius: 14px;
  }


  .footer {
    grid-template-columns: 1fr auto;
  }

  .footer span:nth-child(2) {
    display: none;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}