:root {
  color-scheme: dark;
  --ink: #f6f8ff;
  --blue: #43a8ff;
  --night: #02030b;
}

* { box-sizing: border-box; }

html, body { margin: 0; min-height: 100%; background: var(--night); }

html {
  scroll-behavior: smooth;
  scroll-snap-type: y mandatory;
}

body {
  min-width: 320px;
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.topbar {
  position: fixed;
  z-index: 10;
  top: 0;
  right: 0;
  left: 0;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 1rem clamp(1rem, 3vw, 2.4rem);
  background: linear-gradient(180deg, rgba(2, 3, 11, .56), transparent);
  transition: transform .28s ease;
}

.topbar.is-hidden { transform: translateY(-120%); }

.wordmark, .menu-trigger, .site-menu a {
  color: var(--ink);
  font-family: Bahnschrift, "Arial Narrow", "Franklin Gothic Medium", sans-serif;
  text-decoration: none;
}

.wordmark {
  display: block;
  width: clamp(8.5rem, 15vw, 11.5rem);
  filter: drop-shadow(0 0 10px rgba(67, 168, 255, .35));
}

.wordmark img { display: block; width: 100%; height: auto; }

.menu-wrap { position: relative; }

.menu-trigger {
  display: flex;
  align-items: center;
  gap: .65rem;
  border: 0;
  padding: .15rem 0;
  background: transparent;
  cursor: pointer;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .14em;
}

.menu-trigger i {
  display: block;
  width: 1rem;
  height: .7rem;
  clip-path: polygon(0 0, 100% 0, 50% 100%);
  background: repeating-linear-gradient(135deg, var(--blue) 0 2px, transparent 2px 4px);
  filter: drop-shadow(0 0 5px rgba(67, 168, 255, .7));
  transition: transform .2s ease;
}

.menu-open .menu-trigger i { transform: rotate(180deg); }

.site-menu {
  position: absolute;
  top: calc(100% + .8rem);
  right: 0;
  display: grid;
  min-width: 10.5rem;
  overflow: hidden;
  border: 1px solid rgba(67, 168, 255, .72);
  background: rgba(2, 3, 11, .88);
  box-shadow: 0 8px 28px rgba(0, 0, 0, .55);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-.5rem);
  transition: opacity .18s ease, transform .18s ease;
}

.menu-open .site-menu { opacity: 1; pointer-events: auto; transform: translateY(0); }

.site-menu a {
  padding: .72rem .85rem;
  border-bottom: 1px dotted rgba(246, 248, 255, .22);
  font-size: .73rem;
  font-weight: 700;
  letter-spacing: .12em;
}

.site-menu a:last-child { border-bottom: 0; }
.site-menu a:hover, .site-menu a:focus-visible { color: var(--blue); background: rgba(67, 168, 255, .12); outline: none; }

.screen {
  isolation: isolate;
  position: relative;
  display: grid;
  min-height: 100svh;
  overflow: hidden;
  place-items: end start;
  padding: clamp(1.5rem, 4vw, 4rem);
  scroll-snap-align: start;
  scroll-snap-stop: always;
}

.scene, .veil, .scan {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.screen::after {
  position: absolute;
  z-index: 3;
  inset: 0;
  content: "";
  opacity: 0;
  pointer-events: none;
  background: #02030b url("signal-glitch-v1.png") center / cover no-repeat;
}

.screen.is-entering::after { animation: signal-glitch .24s steps(2, end); }

@keyframes signal-glitch {
  0% { opacity: 0; }
  18% { opacity: .95; }
  54% { opacity: .42; transform: translateX(-1.5%); }
  100% { opacity: 0; transform: translateX(0); }
}

.scene {
  z-index: -3;
  object-fit: cover;
  object-position: center;
}

.veil {
  z-index: -2;
  background:
    linear-gradient(90deg, rgba(2, 3, 11, .80) 0%, rgba(2, 3, 11, .30) 52%, rgba(2, 3, 11, .12) 100%),
    linear-gradient(0deg, rgba(2, 3, 11, .72) 0%, transparent 58%);
}

.scan {
  z-index: -1;
  opacity: .16;
  pointer-events: none;
  background-image: repeating-linear-gradient(0deg, transparent 0 3px, rgba(111, 194, 255, .32) 4px);
  mix-blend-mode: screen;
}

.message {
  max-width: 38rem;
  border-left: 2px solid var(--blue);
  padding: .25rem 0 .25rem 1rem;
  text-shadow: 0 2px 20px rgba(0, 0, 0, .9);
}

.domain, .status, .loading { margin: 0; }

.domain {
  color: var(--blue);
  font: 600 clamp(.7rem, 1vw, .85rem)/1.2 ui-monospace, SFMono-Regular, Consolas, monospace;
  letter-spacing: .11em;
  text-transform: lowercase;
}

.domain strong { color: var(--ink); font-weight: 600; }

.status {
  margin-top: .65rem;
  font-size: clamp(1.7rem, 4.8vw, 4.6rem);
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-weight: 700;
  letter-spacing: .045em;
  line-height: 1;
}

.loading {
  margin-top: .85rem;
  color: rgba(246, 248, 255, .84);
  font: 500 clamp(.75rem, 1.1vw, .95rem)/1.4 ui-monospace, SFMono-Regular, Consolas, monospace;
  letter-spacing: .045em;
}

@media (max-width: 680px) {
  .topbar { padding: 1rem; }
  .menu-trigger span { display: none; }
  .screen { padding: 1.5rem; }
  .scene { object-position: 56% center; }
  .veil { background: linear-gradient(0deg, rgba(2, 3, 11, .86), rgba(2, 3, 11, .16) 80%); }
  .message { max-width: 22rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .topbar, .menu-trigger i, .site-menu { transition: none; }
  .screen.is-entering::after { animation: none; }
}