@font-face {
  font-family: "Share Tech Mono";
  src: url("../assets/fonts/share-tech-mono.woff2") format("woff2");
  font-display: swap;
}

:root {
  --color-canvas: oklch(0.13 0.035 255);
  --color-panel: oklch(0.16 0.045 255 / 0.88);
  --color-panel-soft: oklch(0.18 0.055 255 / 0.7);
  --color-blue: oklch(0.7 0.2 252);
  --color-blue-soft: oklch(0.78 0.12 242);
  --color-orange: oklch(0.76 0.18 55);
  --color-green: oklch(0.75 0.18 150);
  --color-ink: oklch(0.96 0.02 240);
  --color-muted: oklch(0.78 0.045 245);
  --color-line: oklch(0.7 0.16 250 / 0.5);
  --focus-color: oklch(0.76 0.18 55);
  --font-hud: "Share Tech Mono", monospace;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --icon-sm: 16px;
  --icon-md: 24px;
  --icon-lg: 40px;
  --line-thin: 1px;
  --radius-panel: 4px;
  --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
  --ease-scan: cubic-bezier(0.45, 0, 0.55, 1);
  --motion-pulse: 1.5s;
  --motion-scan: 9s;
  --motion-signal: 4.8s;
  --ease-pulse: var(--ease-out-quart);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
  margin: 0;
}

body {
  overflow-x: hidden;
  background: var(--color-canvas);
}

.wrapper {
  width: 100%;
  min-height: 100dvh;
  background: var(--color-canvas);
}

.icon-library {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.stage {
  position: relative;
  width: min(100%, calc(100dvh * 16 / 9));
  max-height: 100dvh;
  aspect-ratio: 16 / 9;
  margin: 0 auto;
  overflow: hidden;
  background: var(--color-canvas);
}

.stage video {
  position: relative;
  z-index: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: var(--color-canvas);
}

.scan-beam {
  position: absolute;
  z-index: 1;
  top: 0;
  right: 0;
  left: 0;
  height: 14%;
  pointer-events: none;
  background: linear-gradient(
    180deg,
    oklch(0.65 0.18 245 / 0),
    oklch(0.7 0.18 245 / 0.08),
    oklch(0.65 0.18 245 / 0)
  );
  mix-blend-mode: screen;
  transform: translateY(-100%);
  animation: scan-stage var(--motion-scan) var(--ease-scan) infinite alternate;
}

.security-orbit,
.trust-rail {
  margin: 0;
  padding: 0;
  list-style: none;
}

.security-orbit {
  position: absolute;
  z-index: 3;
  inset: 0;
  pointer-events: none;
  font-family: var(--font-hud);
}

.security-node {
  position: absolute;
  display: grid;
  width: 16%;
  justify-items: center;
  gap: var(--space-1);
  color: var(--color-ink);
  text-align: center;
  text-shadow: 0 1px 2px var(--color-canvas);
  animation: node-signal var(--motion-signal) var(--ease-scan) infinite alternate;
}

.security-node::after {
  position: absolute;
  top: calc(var(--icon-lg) / 2);
  width: 42%;
  height: var(--line-thin);
  background: linear-gradient(90deg, var(--color-line), var(--color-orange));
  content: "";
  opacity: 0.8;
}

.security-node--left::after {
  left: 78%;
  transform: rotate(var(--connector-angle));
  transform-origin: left center;
}

.security-node--right::after {
  right: 78%;
  background: linear-gradient(90deg, var(--color-orange), var(--color-line));
  transform: rotate(var(--connector-angle));
  transform-origin: right center;
}

.security-node__icon {
  width: var(--icon-lg);
  height: var(--icon-lg);
  padding: var(--space-2);
  color: var(--color-orange);
  border: var(--line-thin) solid var(--color-blue);
  border-radius: 50%;
  background: var(--color-panel-soft);
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.5;
}

.security-node strong {
  max-width: 18ch;
  font-size: clamp(0.55rem, 0.9vw, 0.85rem);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: 0.06em;
}

.security-node span {
  color: var(--color-blue-soft);
  font-size: clamp(0.45rem, 0.65vw, 0.68rem);
  line-height: 1.2;
  letter-spacing: 0.04em;
}

.security-node--encryption {
  --connector-angle: 12deg;
  top: 8%;
  left: 52%;
  animation-delay: 0ms;
}

.security-node--server {
  --connector-angle: -12deg;
  top: 8%;
  right: 2%;
  animation-delay: 120ms;
}

.security-node--layers {
  --connector-angle: -10deg;
  top: 43%;
  left: 51%;
  animation-delay: 240ms;
}

.security-node--defense {
  --connector-angle: 10deg;
  top: 43%;
  right: 2%;
  animation-delay: 360ms;
}

.network-rail {
  position: absolute;
  z-index: 4;
  top: 64%;
  left: 50%;
  width: 88%;
  color: var(--color-ink);
  font-family: var(--font-hud);
  text-align: center;
  pointer-events: none;
  transform: translateX(-50%);
}

.network-rail h2 {
  margin: 0 0 var(--space-1);
  font-size: clamp(0.5rem, 0.75vw, 0.72rem);
  font-weight: 400;
  letter-spacing: 0.18em;
}

.network-rail__track {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  align-items: center;
  padding: var(--space-2) var(--space-4);
  border-top: var(--line-thin) solid var(--color-line);
  border-bottom: var(--line-thin) solid var(--color-line);
  border-radius: var(--radius-panel);
  background: var(--color-panel-soft);
}

.network-rail__track::before {
  position: absolute;
  top: 50%;
  right: var(--space-4);
  left: var(--space-4);
  height: var(--line-thin);
  background: var(--color-line);
  content: "";
}

.network-rail__track span {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  color: var(--color-muted);
  font-size: clamp(0.45rem, 0.62vw, 0.65rem);
  letter-spacing: 0.08em;
}

.network-rail__track i {
  display: block;
  width: var(--space-2);
  height: var(--space-2);
  border: var(--line-thin) solid var(--color-blue-soft);
  border-radius: 50%;
  background: var(--color-orange);
  animation: route-signal 2.8s var(--ease-out-quart) infinite alternate;
}

.network-rail__track span:nth-child(2) i {
  animation-delay: 80ms;
}

.network-rail__track span:nth-child(3) i {
  background: var(--color-green);
  animation-delay: 160ms;
}

.network-rail__track span:nth-child(4) i {
  animation-delay: 240ms;
}

.network-rail__track span:nth-child(5) i {
  animation-delay: 320ms;
}

.banner-link {
  position: absolute;
  z-index: 6;
  top: 83%;
  left: 50%;
  display: block;
  width: 42%;
  min-width: 44px;
  min-height: 44px;
  aspect-ratio: 862 / 289;
  transform: translate(-50%, -50%);
  transform-origin: center;
  animation: pulse var(--motion-pulse) var(--ease-pulse) infinite;
  cursor: pointer;
  touch-action: manipulation;
}

.banner-link img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.banner-link:hover {
  filter: brightness(1.08);
}

.banner-link:focus-visible {
  outline: 3px solid var(--focus-color);
  outline-offset: 4px;
}

.banner-link:active {
  filter: brightness(0.94);
}

.trust-rail {
  position: absolute;
  z-index: 5;
  top: 95.8%;
  left: 4%;
  display: grid;
  width: 92%;
  min-height: 0;
  grid-template-columns: repeat(4, 1fr);
  padding: var(--space-1) var(--space-3);
  color: var(--color-ink);
  border-top: var(--line-thin) solid var(--color-line);
  border-radius: var(--radius-panel);
  background: var(--color-panel);
  font-family: var(--font-hud);
  pointer-events: none;
}

.trust-rail li {
  display: grid;
  min-width: 0;
  grid-template-columns: var(--icon-md) 1fr;
  align-items: center;
  gap: var(--space-2);
  padding: 0 var(--space-3);
  border-right: var(--line-thin) solid var(--color-line);
}

.trust-rail li:last-child {
  border-right: 0;
}

.trust-rail svg {
  width: var(--icon-md);
  height: var(--icon-md);
  color: var(--color-orange);
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.5;
}

.trust-rail span {
  display: grid;
  min-width: 0;
  gap: var(--space-1);
}

.trust-rail strong,
.trust-rail small {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.trust-rail strong {
  color: var(--color-ink);
  font-size: clamp(0.5rem, 0.68vw, 0.7rem);
  font-weight: 400;
  letter-spacing: 0.06em;
}

.trust-rail small {
  color: var(--color-blue-soft);
  font-size: clamp(0.42rem, 0.52vw, 0.58rem);
  letter-spacing: 0.03em;
}

@keyframes pulse {
  0%,
  100% {
    transform: translate(-50%, -50%) scale(0.9);
  }

  50% {
    transform: translate(-50%, -50%) scale(1);
  }
}

@keyframes scan-stage {
  0% {
    opacity: 0.25;
    transform: translateY(-100%);
  }

  50% {
    opacity: 0.55;
  }

  100% {
    opacity: 0.2;
    transform: translateY(715%);
  }
}

@keyframes node-signal {
  0%,
  100% {
    opacity: 0.78;
    transform: scale(0.985);
  }

  50% {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes route-signal {
  0%,
  100% {
    opacity: 0.55;
    transform: scale(0.85);
  }

  50% {
    opacity: 1;
    transform: scale(1.15);
  }
}

@media (max-width: 768px) and (orientation: portrait) {
  .stage {
    width: min(100%, calc(100dvh * 9 / 16));
    aspect-ratio: 9 / 16;
  }

  .banner-link {
    top: 84%;
    z-index: 10;
    width: 85%;
  }

  .security-node {
    width: 30%;
    gap: var(--space-1);
  }

  .security-node::after {
    top: calc(var(--icon-md) / 2);
    width: 30%;
  }

  .security-node__icon {
    width: var(--icon-md);
    height: var(--icon-md);
    padding: var(--space-1);
  }

  .security-node strong {
    max-width: 16ch;
    font-size: clamp(0.45rem, 2.1vw, 0.62rem);
  }

  .security-node span {
    display: none;
  }

  .security-node--encryption {
    top: 34%;
    left: 1.5%;
  }

  .security-node--server {
    top: 34%;
    right: 1.5%;
  }

  .security-node--layers {
    top: 54%;
    left: 1.5%;
  }

  .security-node--defense {
    top: 54%;
    right: 1.5%;
  }

  .network-rail {
    display: none;
  }

  .trust-rail {
    top: 92.5%;
    left: 2%;
    width: 96%;
    min-height: 6.5%;
    padding: var(--space-1);
  }

  .trust-rail li {
    grid-template-columns: var(--icon-sm) 1fr;
    gap: var(--space-1);
    padding: 0 var(--space-1);
  }

  .trust-rail svg {
    width: var(--icon-sm);
    height: var(--icon-sm);
  }

  .trust-rail strong {
    font-size: clamp(0.4rem, 1.85vw, 0.48rem);
    letter-spacing: 0.02em;
  }

  .trust-rail small {
    display: none;
  }
}

@media (max-height: 500px) and (orientation: landscape) {
  .trust-rail {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .banner-link,
  .network-rail__track i,
  .scan-beam,
  .security-node {
    animation: none;
  }

  .scan-beam {
    opacity: 0.18;
    transform: translateY(300%);
  }
}