:root {
  --cyan: #44e5ff;
  --mint: #54ffd0;
  --navy: #06172a;
  --panel: rgba(10, 38, 62, 0.76);
  --line: rgba(83, 225, 255, 0.46);
  --text: #f3fcff;
  --muted: #b4d3df;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  background: #07182b;
}
body {
  margin: 0;
  color: var(--text);
  background: transparent;
  font-family: Inter, "Pretendard", "Noto Sans KR", Arial, sans-serif;
  overflow-x: hidden;
}
body:before {
  content: "";
  position: fixed;
  inset: 0;
  display: none;
  background:
    linear-gradient(
      90deg,
      rgba(4, 21, 39, 0.64),
      rgba(9, 41, 67, 0.34) 50%,
      rgba(4, 21, 39, 0.6)
    ),
    url("./assets/aria-bg.png") center/cover no-repeat;
  filter: saturate(0.94) brightness(1.16);
}
.video-background {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
  background: #07182b url("./assets/aria-bg.png") center/cover no-repeat;
}
.video-background::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    rgba(4, 21, 39, 0.38),
    rgba(7, 31, 52, 0.18) 50%,
    rgba(4, 21, 39, 0.36)
  );
}
.video-background video {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center;
  filter: saturate(0.98) brightness(1.04);
}
.network-layer {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.28;
  background-image: radial-gradient(
      circle at 20% 30%,
      rgba(84, 255, 208, 0.8) 0 2px,
      transparent 3px
    ),
    radial-gradient(
      circle at 72% 18%,
      rgba(68, 229, 255, 0.8) 0 2px,
      transparent 3px
    ),
    linear-gradient(
      35deg,
      transparent 49.7%,
      rgba(68, 229, 255, 0.1) 50%,
      transparent 50.3%
    ),
    linear-gradient(
      145deg,
      transparent 49.7%,
      rgba(84, 255, 208, 0.08) 50%,
      transparent 50.3%
    );
  background-size:
    320px 270px,
    430px 350px,
    180px 180px,
    220px 220px;
  animation: flow 28s linear infinite;
}
a {
  color: inherit;
  text-decoration: none;
}
.topbar,
main,
footer {
  position: relative;
  z-index: 2;
}
.topbar {
  height: 76px;
  padding: 0 4vw;
  display: flex;
  align-items: center;
  gap: 32px;
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: rgba(5, 25, 45, 0.82);
  backdrop-filter: blur(18px);
  box-shadow: 0 8px 30px rgba(0, 8, 22, 0.25);
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-right: auto;
  align-self: stretch;
  position: relative;
}
.brand img {
  width: 200px;
  height: 54px;
  object-fit: contain;
  filter: drop-shadow(0 0 8px rgba(54, 125, 255, 0.4));
}
.brand-title {
  position: absolute;
  left: 226px;
  bottom: 8px;
  color: #48dfff;
  font-size: 11.2px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: 3.2px;
  white-space: nowrap;
  text-shadow: 0 0 8px rgba(68, 229, 255, 0.42);
}
.topbar nav {
  display: flex;
  gap: 28px;
}
.topbar nav a {
  font-size: 11px;
  letter-spacing: 1.8px;
  color: #c6e1ea;
}
.topbar nav a:hover {
  color: var(--mint);
}
.online {
  padding: 10px 14px;
  border: 1px solid var(--line);
  color: var(--mint);
  font-size: 9px;
  letter-spacing: 1.2px;
}
.online i,
.telemetry i {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 12px var(--mint);
  margin-right: 7px;
}
.hero {
  min-height: 720px;
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.55fr);
  align-items: center;
  padding: 54px 6vw 120px;
  overflow: hidden;
  background: radial-gradient(
      circle at 52% 38%,
      rgba(86, 201, 255, 0.14),
      transparent 30%
    ),
    linear-gradient(180deg, rgba(8, 39, 64, 0.1), rgba(3, 20, 38, 0.2));
}
.hero-copy {
  position: relative;
  z-index: 3;
  max-width: 720px;
}
.eyebrow {
  margin: 0 0 14px;
  color: var(--mint);
  font-size: 11px;
  letter-spacing: 4px;
}
.hero h1 {
  margin: 0;
  font-size: clamp(54px, 6vw, 94px);
  line-height: 0.95;
  letter-spacing: -3px;
  text-shadow:
    0 2px 22px rgba(0, 0, 0, 0.42),
    0 0 28px rgba(68, 229, 255, 0.18);
}
.hero h2 {
  margin: 20px 0;
  color: var(--cyan);
  font-size: clamp(14px, 1.45vw, 22px);
  line-height: 1.55;
  letter-spacing: 5px;
  font-weight: 500;
}
.intro {
  max-width: 600px;
  color: #d2e9f1;
  font-size: 14px;
  line-height: 1.85;
}
.actions {
  display: flex;
  gap: 12px;
  margin-top: 28px;
}
.download {
  min-width: 285px;
  padding: 15px 22px;
  display: flex;
  flex-direction: column;
  color: #00212a;
  background: linear-gradient(105deg, #44e5ff, #54ffd0);
  clip-path: polygon(0 0, 94% 0, 100% 26%, 100% 100%, 6% 100%, 0 74%);
  box-shadow: 0 12px 35px rgba(47, 224, 219, 0.25);
  transition: 0.25s;
}
.download:hover {
  transform: translateY(-3px);
  filter: brightness(1.08);
}
.download span {
  font-weight: 900;
  letter-spacing: 2px;
}
.download b {
  font-size: 10px;
  letter-spacing: 1.3px;
  margin-top: 5px;
}
.ghost {
  display: grid;
  place-items: center;
  padding: 0 22px;
  border: 1px solid var(--cyan);
  background: rgba(12, 50, 76, 0.58);
  font-size: 10px;
  letter-spacing: 1.6px;
}
.requirements {
  font-size: 9px;
  letter-spacing: 1.5px;
  color: #86afbe;
  margin-top: 13px;
}
.core {
  width: 290px;
  height: 290px;
  justify-self: center;
  display: grid;
  place-items: center;
  position: relative;
}
.core-symbol {
  width: 116px;
  height: 116px;
  display: grid;
  place-items: center;
  background: transparent;
  perspective: 500px;
}
.core-symbol img {
  width: 76px;
  height: 112px;
  object-fit: contain;
  filter: drop-shadow(0 0 14px var(--cyan));
  transform-origin: center;
  transform-style: preserve-3d;
  backface-visibility: visible;
  animation: core-symbol-left-spin 9s linear infinite;
}
.orbit {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(68, 229, 255, 0.38);
  animation: spin 16s linear infinite;
}
.orbit:after {
  content: "";
  position: absolute;
  top: 9%;
  left: 20%;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 12px var(--mint);
}
.orbit.one {
  inset: 12px;
  border-style: dashed;
}
.orbit.two {
  inset: 48px;
  animation-direction: reverse;
  animation-duration: 12s;
}
.core > span,
.core > b {
  position: absolute;
  bottom: 10px;
  font-size: 10px;
  letter-spacing: 3px;
}
.core > b {
  bottom: -10px;
  color: var(--mint);
  font-size: 8px;
}
.telemetry {
  position: absolute;
  z-index: 4;
  left: 6vw;
  right: 6vw;
  bottom: 28px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line);
  background: rgba(8, 36, 58, 0.76);
  backdrop-filter: blur(14px);
  box-shadow: 0 16px 40px rgba(0, 8, 22, 0.28);
}
.telemetry div {
  position: relative;
  padding: 15px 18px;
  border-right: 1px solid rgba(68, 229, 255, 0.2);
  display: flex;
  flex-direction: column;
}
.telemetry div:last-child {
  border: 0;
}
.telemetry span {
  font-size: 8px;
  letter-spacing: 1.4px;
  color: #8db7c6;
}
.telemetry b {
  font-size: 12px;
  letter-spacing: 1.4px;
  margin-top: 5px;
}
.telemetry i {
  position: absolute;
  right: 12px;
  top: 23px;
  margin: 0;
}
.ecosystem,
.install {
  padding: 76px 4vw;
  background: linear-gradient(
    145deg,
    rgba(10, 43, 68, 0.88),
    rgba(5, 27, 49, 0.82)
  );
  border-top: 1px solid var(--line);
}
.section-title {
  display: flex;
  align-items: center;
  gap: 16px;
  max-width: 1500px;
  margin: 0 auto 28px;
}
.section-title > span {
  padding: 8px 9px;
  color: var(--mint);
  font-size: 10px;
  border: 1px solid var(--line);
}
.section-title p {
  margin: 0 0 5px;
  color: #7faebf;
  font-size: 8px;
  letter-spacing: 2px;
}
.section-title h3 {
  margin: 0;
  font-size: 18px;
  letter-spacing: 3px;
}
.module-grid {
  max-width: 1500px;
  margin: auto;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}
.module {
  height: 330px;
  display: grid;
  grid-template-rows: 250px 80px;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(91, 228, 255, 0.52);
  border-radius: 4px;
  background: linear-gradient(
    145deg,
    rgba(18, 61, 87, 0.74),
    rgba(5, 29, 50, 0.78)
  );
  box-shadow:
    0 15px 36px rgba(0, 8, 22, 0.26),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
  transition: 0.28s;
}
.module:hover {
  transform: translateY(-5px);
  border-color: rgba(84, 255, 208, 0.75);
  box-shadow:
    0 22px 44px rgba(0, 8, 22, 0.34),
    0 0 25px rgba(68, 229, 255, 0.1);
}
.module-head {
  height: 50px;
  padding: 13px 15px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 3;
  background: linear-gradient(180deg, rgba(3, 18, 34, 0.9), transparent);
}
.module-head h4 {
  margin: 0;
  font-size: 16px;
  letter-spacing: 1.2px;
  text-shadow: 0 2px 8px #001;
}
.module-head span {
  padding: 4px 7px;
  border: 1px solid rgba(84, 255, 208, 0.5);
  color: var(--mint);
  font-size: 7px;
  letter-spacing: 1px;
  background: rgba(4, 35, 48, 0.7);
}
.module > p {
  height: 80px;
  min-height: 80px;
  margin: 0;
  padding: 13px 15px;
  color: #c3dde6;
  background: rgba(3, 20, 36, 0.88);
  border-top: 1px solid rgba(68, 229, 255, 0.28);
  font-size: 11px;
  line-height: 1.65;
  overflow: hidden;
}
.card-image {
  width: 100%;
  height: 250px;
  min-height: 0;
  display: block;
  object-fit: cover;
  object-position: center;
}
.trading-visual,
.ai-visual,
.arena {
  min-height: 0;
  position: relative;
  overflow: hidden;
}
.trading-visual {
  background: linear-gradient(
      180deg,
      rgba(5, 27, 46, 0.1),
      rgba(3, 18, 33, 0.45)
    ),
    repeating-linear-gradient(
      0deg,
      transparent 0 34px,
      rgba(69, 213, 255, 0.11) 35px
    ),
    repeating-linear-gradient(
      90deg,
      transparent 0 52px,
      rgba(69, 213, 255, 0.09) 53px
    );
}
.trading-visual .candles {
  position: absolute;
  inset: 40px 15px 20px;
  background: linear-gradient(
      145deg,
      transparent 44%,
      var(--mint) 45% 46%,
      transparent 47%
    ),
    linear-gradient(25deg, transparent 53%, #ff5c8c 54% 55%, transparent 56%);
  filter: drop-shadow(0 0 6px var(--cyan));
}
.trading-visual img {
  position: absolute;
  left: 4px;
  bottom: 0;
  height: 80%;
  opacity: 0.52;
  filter: drop-shadow(0 0 14px var(--cyan)) saturate(0.9);
}
.trading-visual strong {
  position: absolute;
  right: 17px;
  bottom: 23px;
  padding: 11px;
  border: 1px solid var(--line);
  border-radius: 50%;
  text-align: center;
  color: #9ed8e8;
  font-size: 8px;
  background: rgba(3, 23, 38, 0.82);
}
.trading-visual em {
  font-style: normal;
  color: var(--mint);
  font-size: 20px;
}
.ai-visual {
  display: grid;
  place-items: center;
  background: radial-gradient(circle, rgba(68, 229, 255, 0.2), transparent 55%);
}
.ai-visual img {
  width: 110px;
  filter: drop-shadow(0 0 18px var(--cyan));
}
.ai-visual i {
  position: absolute;
  border: 1px solid rgba(68, 229, 255, 0.3);
  border-radius: 50%;
  inset: 22%;
  animation: pulse 3.2s ease-in-out infinite;
}
.ai-visual i:nth-of-type(2) {
  inset: 13%;
  animation-delay: 0.8s;
}
.ai-visual i:nth-of-type(3) {
  inset: 5%;
  animation-delay: 1.6s;
}
.arena {
  display: grid;
  place-items: center;
  background: radial-gradient(
      ellipse at center,
      rgba(49, 143, 214, 0.35),
      rgba(3, 18, 34, 0.85)
    ),
    repeating-radial-gradient(
      ellipse at center,
      transparent 0 30px,
      rgba(68, 229, 255, 0.15) 31px 32px
    );
}
.arena .ring {
  position: absolute;
  width: 210px;
  height: 100px;
  border: 2px solid var(--cyan);
  border-radius: 50%;
  box-shadow: 0 0 24px rgba(68, 229, 255, 0.45);
  transform: rotateX(64deg);
}
.arena > b {
  font-size: 32px;
  color: #e9fbff;
  text-shadow: 0 0 18px var(--cyan);
}
.arena > span {
  position: absolute;
  bottom: 22px;
  color: #92cfe0;
  font-size: 8px;
  letter-spacing: 1px;
}
.arena > span:nth-of-type(1) {
  left: 18px;
}
.arena > span:nth-of-type(2) {
  right: 18px;
  text-align: right;
}
.arena em {
  font-style: normal;
  color: var(--mint);
  font-size: 16px;
}
.install {
  padding-top: 62px;
}
.install ol {
  max-width: 1500px;
  margin: auto;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line);
  background: rgba(7, 34, 56, 0.62);
}
.install li {
  padding: 22px;
  display: flex;
  gap: 14px;
  align-items: center;
  border-right: 1px solid var(--line);
}
.install li:last-child {
  border: 0;
}
.install li > b {
  color: var(--cyan);
  font-size: 10px;
}
.install li > span {
  font-size: 12px;
}
.install small {
  display: block;
  margin-top: 6px;
  color: #80a9b8;
  font-size: 8px;
}
footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 28px 5vw;
  border-top: 1px solid var(--line);
  background: #051426;
  color: #789dac;
  font-size: 8px;
  letter-spacing: 1.3px;
}
footer > div:first-child {
  display: flex;
  flex-direction: column;
  gap: 5px;
}
footer strong {
  color: #c1dfe8;
}
.footer-links {
  display: flex;
  gap: 20px;
}
.footer-links a:hover {
  color: var(--mint);
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}
@keyframes core-symbol-left-spin {
  from {
    transform: rotateY(0deg);
  }
  to {
    transform: rotateY(-360deg);
  }
}
@keyframes pulse {
  50% {
    transform: scale(1.1);
    opacity: 0.45;
  }
}
@keyframes flow {
  to {
    background-position:
      90px 50px,
      -80px 40px,
      70px 35px,
      -60px 60px;
  }
}
@media (max-width: 1180px) {
  .hero {
    grid-template-columns: 1fr;
    padding-left: 5vw;
    padding-right: 5vw;
  }
  .core {
    position: absolute;
    right: -70px;
    top: 100px;
    opacity: 0.55;
  }
  .module-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 760px) {
  .topbar {
    height: 68px;
    padding: 0 18px;
  }
  .topbar nav {
    display: none;
  }
  .brand img {
    width: 164px;
    height: 46px;
  }
  .brand-title {
    display: none;
  }
  .online {
    font-size: 0;
    padding: 9px;
  }
  .online i {
    margin: 0;
  }
  .hero {
    min-height: 900px;
    display: block;
    padding: 70px 22px 210px;
  }
  .hero h1 {
    font-size: 50px;
  }
  .hero h2 {
    font-size: 13px;
    letter-spacing: 3px;
  }
  .intro {
    font-size: 12px;
  }
  .core {
    width: 250px;
    height: 250px;
    right: -130px;
    top: 110px;
    opacity: 0.3;
  }
  .actions {
    flex-direction: column;
    align-items: stretch;
  }
  .download {
    min-width: 0;
  }
  .ghost {
    padding: 14px;
  }
  .telemetry {
    left: 22px;
    right: 22px;
    bottom: 24px;
    grid-template-columns: repeat(2, 1fr);
  }
  .telemetry div:nth-child(2) {
    border-right: 0;
  }
  .telemetry div:nth-child(-n + 2) {
    border-bottom: 1px solid rgba(68, 229, 255, 0.2);
  }
  .ecosystem,
  .install {
    padding: 58px 18px;
  }
  .module-grid {
    grid-template-columns: 1fr;
  }
  .module {
    height: 360px;
    grid-template-rows: 280px 80px;
  }
  .card-image {
    height: 280px;
  }
  .section-title h3 {
    font-size: 14px;
  }
  .install ol {
    grid-template-columns: 1fr;
  }
  .install li {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
  footer {
    flex-direction: column;
    align-items: flex-start;
    padding: 28px 22px;
  }
}