:root {
  color-scheme: dark;
  --ink: #eceff3;
  --ink-2: #9aa4b1;
  --line: rgba(220, 230, 245, 0.16);
  --accent: #7aa7f5;
  --ok: #6cc28a;
  --sans: system-ui, "Segoe UI", Arial, sans-serif;
  --mono: ui-monospace, Consolas, Menlo, monospace;
}
* {
  box-sizing: border-box;
}
html,
body {
  margin: 0;
  min-height: 100%;
  background: #000;
  color: var(--ink);
  font-family: var(--sans);
}
#floor {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}
main {
  position: relative;
  z-index: 1;
  max-width: 760px;
  margin: 0 auto;
  padding: 14vh 24px 64px;
  text-align: center;
}
.mark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 40px;
  font-family: var(--mono);
  font-size: 15px;
  letter-spacing: 0.08em;
  color: var(--ink-2);
}
h1 {
  margin: 0;
  font-size: clamp(32px, 6vw, 54px);
  line-height: 1.08;
  font-weight: 650;
  letter-spacing: -0.02em;
}
.lede {
  margin: 20px auto 0;
  max-width: 34em;
  font-size: 18px;
  line-height: 1.5;
  color: var(--ink-2);
}
figure {
  margin: 44px 0 0;
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  background: #05070a;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.7);
}
video {
  display: block;
  width: 100%;
  height: auto;
}
form {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin: 44px auto 0;
  max-width: 460px;
}
input[type="email"] {
  flex: 1;
  min-width: 0;
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(16, 19, 24, 0.85);
  color: var(--ink);
  font: inherit;
  font-size: 15px;
}
input[type="email"]:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}
button {
  padding: 13px 18px;
  border: 0;
  border-radius: 8px;
  background: var(--ink);
  color: #000;
  font: inherit;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
}
button:disabled {
  opacity: 0.6;
  cursor: default;
}
.note {
  margin: 14px 0 0;
  font-size: 13px;
  color: var(--ink-2);
}
.note.ok {
  color: var(--ok);
}
.trap,
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}
@media (max-width: 520px) {
  form {
    flex-direction: column;
  }
}