:root {
  color-scheme: dark;
  font-family: Arial, Helvetica, sans-serif;
  background: #1d111b;
  color: #fff4df;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-width: 320px;
  min-height: 100%;
  margin: 0;
  background: #1d111b;
}

.boot-shell {
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr;
  padding: 24px;
}

.boot-header {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-bottom: 20px;
  border-bottom: 1px solid #725766;
}

.boot-header > span:last-child {
  display: grid;
  gap: 4px;
}

.boot-header strong {
  font-size: 18px;
}

.boot-header small,
.boot-label {
  color: #cdb7b9;
  font-family: "Courier New", monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.boot-mark {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  color: #1d111b;
  background: #ff7066;
  border: 1px solid #fff4df;
  box-shadow: 3px 3px 0 #fff4df;
  font-family: "Courier New", monospace;
  font-weight: 700;
}

.boot-main {
  width: min(100%, 680px);
  margin: auto;
  padding: 40px;
  color: #2b1a28;
  background: #fff0d7;
  border: 1px solid #2b1a28;
  box-shadow: 7px 7px 0 #ff7066;
}

.boot-main h1 {
  margin: 14px 0;
  font-size: 36px;
  font-size: clamp(36px, 7vw, 72px);
  line-height: 0.96;
  letter-spacing: -0.05em;
}

.boot-main p:not(.boot-label) {
  max-width: 54ch;
  font-size: 18px;
  line-height: 1.5;
}

.boot-main a {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  margin-top: 12px;
  padding: 12px 16px;
  color: #fff4df;
  background: #2b1a28;
  border: 1px solid #2b1a28;
  font-weight: 700;
}

.boot-main noscript {
  display: block;
  margin-top: 20px;
  font-weight: 700;
}

.boot-progress {
  width: 22px;
  height: 22px;
  display: block;
  border: 3px solid #b89f9e;
  border-top-color: #c44e38;
  border-radius: 50%;
  animation: boot-spin 900ms linear infinite;
}

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

@media (max-width: 560px) {
  .boot-shell { padding: 14px; }
  .boot-main { padding: 26px 22px; }
}

@media (prefers-reduced-motion: reduce) {
  .boot-progress { animation: none; }
}
