:root {
  --black: #000000;
  --void: #03050a;
  --panel: rgba(0, 0, 0, 0.38);
  --cyan: #21dcff;
  --blue: #2f66ff;
  --violet: #8b5cff;
  --green: #2ff6a6;
  --white: #f7fbff;
  --soft: #b5c0d2;
  --dim: #6e7b90;
  --line: rgba(142, 223, 255, 0.22);
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: var(--black);
  color: var(--white);
  font-family: var(--sans);
}

body {
  min-width: 320px;
}

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

.stage {
  position: relative;
  width: 100vw;
  height: 100vh;
  height: calc(var(--vh, 1vh) * 100);
  height: 100dvh;
  min-height: 560px;
  display: grid;
  place-items: center;
  overflow: hidden;
  isolation: isolate;
  background:
    radial-gradient(circle at 50% 43%, rgba(20, 120, 180, 0.15), transparent 33rem),
    radial-gradient(circle at 50% 58%, rgba(91, 64, 210, 0.13), transparent 38rem),
    linear-gradient(180deg, #000000 0%, #020407 45%, #000000 100%);
}

.particles,
.field,
.scanline {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.particles {
  z-index: -5;
}

.field {
  z-index: -4;
  opacity: 0.42;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.026) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.026) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: radial-gradient(circle at center, black 0%, rgba(0, 0, 0, 0.66) 50%, transparent 82%);
}

.scanline {
  z-index: -3;
  opacity: 0.11;
  background: repeating-linear-gradient(180deg, transparent 0 7px, rgba(33, 220, 255, 0.16) 8px, transparent 9px);
}

.stage::before,
.stage::after {
  content: "";
  position: absolute;
  z-index: -2;
  pointer-events: none;
  border-radius: 999px;
}

.stage::before {
  width: min(74vw, 920px);
  aspect-ratio: 1;
  border: 1px solid rgba(33, 220, 255, 0.13);
  box-shadow:
    0 0 100px rgba(33, 220, 255, 0.08),
    inset 0 0 120px rgba(47, 102, 255, 0.06);
}

.stage::after {
  width: min(92vw, 1160px);
  aspect-ratio: 1;
  border: 1px dashed rgba(139, 92, 255, 0.15);
  animation: slow-spin 56s linear infinite;
}

.edge {
  position: absolute;
  z-index: 1;
  width: clamp(96px, 14vw, 250px);
  height: clamp(72px, 12vw, 180px);
  pointer-events: none;
  border-color: rgba(235, 248, 255, 0.70);
  opacity: 0.9;
}

.edge-top-left {
  top: clamp(18px, 4vw, 64px);
  left: clamp(18px, 4vw, 64px);
  border-top: 1px solid;
  border-left: 1px solid;
}

.edge-top-right {
  top: clamp(18px, 4vw, 64px);
  right: clamp(18px, 4vw, 64px);
  border-top: 1px solid;
  border-right: 1px solid;
}

.edge-bottom-left {
  bottom: clamp(18px, 4vw, 64px);
  left: clamp(18px, 4vw, 64px);
  border-bottom: 1px solid;
  border-left: 1px solid;
}

.edge-bottom-right {
  right: clamp(18px, 4vw, 64px);
  bottom: clamp(18px, 4vw, 64px);
  border-right: 1px solid;
  border-bottom: 1px solid;
}

.panel {
  position: relative;
  z-index: 2;
  width: min(1480px, calc(100vw - 64px));
  height: calc(100dvh - 36px);
  display: grid;
  grid-template-rows: auto 1fr auto;
  justify-items: center;
  text-align: center;
  padding: clamp(18px, 4vh, 42px) 18px;
  background: radial-gradient(circle at center, rgba(0, 0, 0, 0.22), transparent 68%);
}

.center-stack {
  display: grid;
  justify-items: center;
  align-self: center;
}

.brand-accent {
  width: clamp(56px, 8vw, 96px);
  height: 3px;
  margin: 0 0 clamp(20px, 3.4vh, 36px);
  border-radius: 999px;
  background: linear-gradient(90deg, var(--cyan), var(--violet));
  box-shadow: 0 0 16px rgba(139, 92, 255, 0.35);
}

.system-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 clamp(16px, 3.2vh, 34px);
  padding: 10px 16px;
  border: 1px solid rgba(47, 246, 166, 0.26);
  border-radius: 999px;
  color: rgba(247, 251, 255, 0.58);
  background: rgba(0, 0, 0, 0.64);
  font-family: var(--mono);
  font-size: clamp(10px, 1.1vw, 11px);
  letter-spacing: 0.16em;
  line-height: 1;
  text-transform: uppercase;
  box-shadow: 0 0 38px rgba(47, 246, 166, 0.08);
}

.system-label span {
  width: 9px;
  height: 9px;
  flex: 0 0 auto;
  border-radius: 999px;
  background: var(--green);
  box-shadow: 0 0 18px var(--green);
}

.logo-core {
  position: relative;
  width: clamp(280px, 64vmin, 680px);
  display: grid;
  place-items: center;
  margin-bottom: clamp(18px, 3.2vh, 34px);
}

.logo-core img {
  width: 100%;
  height: auto;
  display: block;
}

.brand-label {
  margin: clamp(18px, 3vh, 30px) 0 clamp(10px, 2vh, 18px);
  color: var(--cyan);
  font-family: var(--mono);
  font-size: clamp(11px, 1.55vw, 15px);
  font-weight: 800;
  letter-spacing: 0.28em;
  text-transform: uppercase;
}

h1 {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.24em;
  margin: 0 0 clamp(30px, 5vh, 52px);
  color: var(--white);
  font-size: clamp(38px, 5.6vmin, 84px);
  font-weight: 780;
  line-height: 0.93;
  letter-spacing: 0;
  text-transform: uppercase;
  white-space: nowrap;
  text-shadow: 0 0 44px rgba(33, 220, 255, 0.22);
}

.copy {
  width: min(620px, 100%);
  margin: clamp(14px, 2.5vh, 24px) 0 0;
  color: var(--soft);
  font-size: clamp(14px, 2vmin, 18px);
  line-height: 1.5;
}

.contact {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px 16px;
  margin: clamp(18px, 3.4vh, 34px) 0 0;
  padding: 13px 19px;
  border: 1px solid rgba(142, 223, 255, 0.16);
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.72);
  color: rgba(247, 251, 255, 0.88);
  font-family: var(--mono);
  font-size: clamp(12px, 1.55vw, 15px);
  font-style: normal;
  letter-spacing: 0.08em;
  box-shadow: 0 22px 70px rgba(0, 0, 0, 0.48);
}

.contact a:hover {
  color: var(--cyan);
}

.contact i {
  width: 5px;
  height: 5px;
  border-radius: 999px;
  background: var(--cyan);
  box-shadow: 0 0 14px var(--cyan);
}

@keyframes slow-spin {
  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 720px) {
  .stage {
    min-height: 520px;
  }

  .panel {
    width: calc(100vw - 24px);
    padding-inline: 10px;
  }

  .logo-core {
    width: min(88vw, 380px);
  }

  h1 {
    display: grid;
    gap: 0.02em;
    font-size: clamp(29px, 7.55vw, 37px);
    line-height: 0.93;
    white-space: normal;
  }

  .copy {
    max-width: 286px;
  }

  .contact {
    width: min(100%, 336px);
    border-radius: 18px;
    padding: 13px 12px;
  }

  .contact i {
    display: none;
  }
}

@media (max-height: 760px) {
  .system-label {
    margin-bottom: 12px;
    padding-block: 8px;
  }

  .logo-core {
    width: clamp(210px, 30vmin, 300px);
    margin-bottom: 14px;
  }

  .brand-label {
    margin-bottom: 8px;
  }

  h1 {
    font-size: clamp(32px, 7.2vmin, 62px);
  }

  .copy {
    margin-top: 10px;
    line-height: 1.35;
  }

  .contact {
    margin-top: 12px;
    padding-block: 10px;
  }
}

@media (max-height: 620px) {
  .logo-core {
    width: clamp(168px, 27vmin, 230px);
  }

  .copy {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
  }
}