:root {
  color-scheme: dark;
  --bg: #07090d;
  --surface: #0d1118;
  --text: #f5f7fa;
  --muted: #9aa4b2;
  --line: rgba(255, 255, 255, 0.12);
  --accent: #42c8ff;
  --accent-soft: rgba(66, 200, 255, 0.16);
  --page: min(92rem, calc(100% - 3rem));
  --ease: cubic-bezier(.2, .75, .25, 1);
}

* { box-sizing: border-box; }

html { min-width: 20rem; background: var(--bg); }

body {
  min-height: 100svh;
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 74% 43%, rgba(20, 144, 205, 0.13), transparent 34rem),
    linear-gradient(135deg, #090b10 0%, var(--bg) 58%);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image: linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
  background-size: 4rem 4rem;
  mask-image: linear-gradient(to bottom, black, transparent 85%);
  content: "";
}

a { color: inherit; }

.skip-link {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 20;
  padding: .75rem 1rem;
  transform: translateY(-200%);
  background: var(--text);
  color: var(--bg);
}

.skip-link:focus { transform: none; }

.page-shell {
  display: grid;
  width: var(--page);
  min-height: 100svh;
  margin-inline: auto;
  grid-template-rows: auto 1fr auto;
}

.site-header,
.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-header {
  min-height: 6rem;
  border-bottom: 1px solid var(--line);
  animation: reveal .7s var(--ease) both;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .75rem;
  color: var(--text);
  font-size: .95rem;
  font-weight: 680;
  letter-spacing: -.02em;
  text-decoration: none;
}

.brand-mark {
  width: 2rem;
  height: 2rem;
  fill: none;
  stroke: var(--accent);
  stroke-linejoin: miter;
  stroke-width: 6;
}

.header-link {
  padding: .65rem 0;
  color: var(--muted);
  font-size: .82rem;
  font-weight: 650;
  letter-spacing: .08em;
  text-decoration: none;
  text-transform: uppercase;
  transition: color .2s ease;
}

.header-link:hover { color: var(--text); }

.hero {
  display: grid;
  align-items: center;
  gap: clamp(3rem, 8vw, 9rem);
  padding-block: clamp(4rem, 9vh, 8rem);
  grid-template-columns: minmax(0, 1.02fr) minmax(24rem, .98fr);
}

.hero-copy {
  position: relative;
  z-index: 2;
  max-width: 48rem;
  animation: reveal .9s .12s var(--ease) both;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: .7rem;
  margin: 0 0 1.75rem;
  color: var(--muted);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.status-dot {
  width: .5rem;
  height: .5rem;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 .35rem var(--accent-soft), 0 0 1.5rem var(--accent);
  animation: pulse 2.4s ease-in-out infinite;
}

h1 {
  max-width: 12ch;
  margin: 0;
  font-size: clamp(3.6rem, 7.2vw, 7.25rem);
  font-weight: 690;
  letter-spacing: -.072em;
  line-height: .88;
}

h1 em {
  color: var(--accent);
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
}

.lede {
  max-width: 38rem;
  margin: 2rem 0 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  line-height: 1.65;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 2.25rem;
}

.button {
  display: inline-flex;
  min-height: 3.25rem;
  align-items: center;
  justify-content: center;
  gap: .65rem;
  padding: .8rem 1.2rem;
  border: 1px solid var(--line);
  border-radius: .35rem;
  font-size: .84rem;
  font-weight: 680;
  text-decoration: none;
  transition: transform .25s var(--ease), background .25s ease, border-color .25s ease;
}

.button:hover { transform: translateY(-3px); }
.button-primary { border-color: var(--accent); background: var(--accent); color: #041016; }
.button-primary:hover { background: #78d9ff; }
.button-secondary:hover { border-color: rgba(255, 255, 255, 0.32); background: rgba(255, 255, 255, 0.05); }

.artifact {
  position: relative;
  width: min(100%, 39rem);
  aspect-ratio: 1;
  justify-self: end;
  isolation: isolate;
  animation: artifact-in 1.1s .22s var(--ease) both;
  perspective: 900px;
  transition: transform .8s var(--ease);
}

.artifact:hover { transform: rotateX(2deg) rotateY(-3deg) scale(1.015); }

.artifact::before,
.artifact::after {
  position: absolute;
  border-radius: 50%;
  content: "";
}

.artifact::before {
  inset: 8%;
  z-index: -1;
  background: radial-gradient(circle, rgba(53, 194, 255, 0.17), rgba(4, 15, 24, 0.05) 55%, transparent 68%);
  filter: blur(2rem);
}

.artifact::after {
  inset: 1%;
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0));
}

.artifact-grid {
  position: absolute;
  inset: 17%;
  border-radius: 50%;
  background-image: linear-gradient(rgba(89, 211, 255, 0.07) 1px, transparent 1px), linear-gradient(90deg, rgba(89, 211, 255, 0.07) 1px, transparent 1px);
  background-size: 2rem 2rem;
  mask-image: radial-gradient(circle, black 20%, transparent 69%);
  animation: grid-drift 14s linear infinite;
}

.orbit {
  position: absolute;
  inset: 17%;
  border: 1px solid rgba(92, 208, 255, 0.28);
  border-radius: 50%;
}

.orbit-one { animation: spin 16s linear infinite; }
.orbit-two { inset: 27%; border-color: rgba(255, 255, 255, 0.14); animation: spin-reverse 11s linear infinite; }
.orbit-three { inset: 7% 29%; border-color: rgba(82, 202, 255, 0.13); transform: rotate(58deg); }

.orbit span {
  position: absolute;
  top: 50%;
  left: -.28rem;
  width: .55rem;
  height: .55rem;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 1.4rem var(--accent);
}

.orbit-two span { top: 14%; left: auto; right: 6%; width: .35rem; height: .35rem; background: var(--text); }

.core-glow {
  position: absolute;
  inset: 36%;
  border-radius: 50%;
  background: var(--accent);
  filter: blur(3.6rem);
  opacity: .22;
  animation: breathe 4s ease-in-out infinite;
}

.artifact-mark {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 23%;
  transform: translate(-50%, -50%);
  fill: none;
  stroke: var(--text);
  stroke-linejoin: miter;
  stroke-width: 5;
  filter: drop-shadow(0 0 1.5rem rgba(70, 199, 255, 0.42));
}

.coordinate {
  position: absolute;
  z-index: 2;
  color: rgba(255, 255, 255, 0.4);
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: .62rem;
  letter-spacing: .14em;
}

.coordinate-top { top: 13%; right: 14%; }
.coordinate-bottom { bottom: 13%; left: 14%; }

.site-footer {
  gap: 2rem;
  min-height: 6rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: .72rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  animation: reveal .8s .42s var(--ease) both;
}

.site-footer span { padding-inline: .5rem; color: var(--accent); }
.privacy-note { color: #6f7885; text-align: right; }

a:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }

@keyframes reveal { from { opacity: 0; transform: translateY(1.25rem); } }
@keyframes artifact-in { from { opacity: 0; transform: scale(.9) rotate(-3deg); filter: blur(1rem); } }
@keyframes pulse { 50% { opacity: .55; box-shadow: 0 0 0 .55rem rgba(66, 200, 255, 0.08), 0 0 1.5rem var(--accent); } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes spin-reverse { to { transform: rotate(-360deg); } }
@keyframes grid-drift { to { background-position: 2rem 2rem; } }
@keyframes breathe { 50% { opacity: .4; transform: scale(1.25); } }

@media (max-width: 64rem) {
  .hero { gap: 2rem; grid-template-columns: minmax(0, 1fr) minmax(19rem, .72fr); }
  h1 { font-size: clamp(3.4rem, 8.5vw, 5.5rem); }
}

@media (max-width: 48rem) {
  :root { --page: min(100% - 2rem, 42rem); }
  .site-header { min-height: 5rem; }
  .hero { padding-block: 3.5rem; grid-template-columns: 1fr; }
  .hero-copy { text-align: left; }
  h1 { font-size: clamp(3.3rem, 16vw, 5.25rem); }
  .artifact { width: min(100%, 31rem); margin-top: -1rem; justify-self: center; }
  .site-footer { align-items: flex-start; flex-direction: column; justify-content: center; padding-block: 1.5rem; }
  .privacy-note { margin-top: 0; text-align: left; }
}

@media (max-width: 30rem) {
  .brand span { display: none; }
  .actions { align-items: stretch; flex-direction: column; }
  .button { width: 100%; }
  .artifact { width: calc(100% + 1rem); margin-left: -.5rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}