:root {
  --black: #000000;
  --white: #ffffff;
  --shadow: 0 22px 70px rgba(0, 0, 0, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--black);
  font-family: Arial, "Helvetica Neue", Helvetica, sans-serif;
  background: var(--white);
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  background-image:
    linear-gradient(rgba(0, 0, 0, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 0, 0, 0.08) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.72), transparent 78%);
}

.page-shell {
  width: min(100% - 32px, 980px);
  min-height: 100vh;
  margin: 0 auto;
  padding: 72px 0 48px;
  display: grid;
  align-content: center;
  gap: 36px;
}

.intro {
  text-align: center;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--black);
  font-size: 14px;
  letter-spacing: 0;
  text-transform: uppercase;
}

.logo-word {
  margin: 0;
  font-size: 150px;
  line-height: 0.92;
  font-weight: 700;
  letter-spacing: 0;
}

.tagline {
  max-width: 720px;
  margin: 22px auto 0;
  color: var(--black);
  font-size: 32px;
  line-height: 1.25;
}

.social-links {
  display: grid;
  grid-template-columns: repeat(5, minmax(124px, 1fr));
  gap: 12px;
}

.social-link {
  min-height: 64px;
  padding: 0 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 1px solid var(--black);
  border-radius: 999px;
  color: var(--black);
  background: var(--white);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.08);
  font: inherit;
  font-size: 16px;
  text-decoration: none;
  cursor: pointer;
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease, background-color 160ms ease;
}

.icon {
  width: 22px;
  height: 22px;
  flex: 0 0 22px;
}

.social-link:hover,
.social-link:focus-visible {
  border-color: var(--black);
  outline: 0;
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  background: var(--white);
}

.telegram .icon {
  color: var(--black);
  fill: currentColor;
}

.instagram .icon {
  color: var(--black);
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.youtube .icon {
  color: var(--black);
  fill: currentColor;
}

.youtube .icon path {
  fill: var(--white);
}

.github .icon {
  color: var(--black);
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.9;
}

.pgp .icon {
  color: var(--black);
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.pgp-panel {
  width: min(100%, 760px);
  margin: 0 auto;
  padding: 18px;
  border: 1px solid var(--black);
  border-radius: 24px;
  background: var(--white);
}

.pgp-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 12px;
}

.pgp-actions p {
  margin: 0;
  color: var(--black);
}

.copy-button {
  min-height: 38px;
  padding: 0 16px;
  border: 1px solid var(--black);
  border-radius: 999px;
  color: var(--black);
  background: var(--white);
  font: inherit;
  cursor: pointer;
}

.copy-button:hover,
.copy-button:focus-visible {
  border-color: var(--black);
  outline: 0;
}

pre {
  max-height: 260px;
  margin: 0;
  padding: 16px;
  overflow: auto;
  border-radius: 8px;
  background: var(--white);
  color: var(--black);
  font-size: 13px;
  line-height: 1.55;
  white-space: pre-wrap;
  word-break: break-word;
}

.copy-status {
  min-height: 20px;
  margin: 10px 0 0;
  color: var(--black);
  font-size: 14px;
}

@media (max-width: 780px) {
  .page-shell {
    padding: 48px 0 32px;
  }

  .logo-word {
    font-size: 104px;
  }

  .tagline {
    font-size: 26px;
  }

  .social-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .pgp {
    grid-column: 1 / -1;
  }
}

@media (max-width: 480px) {
  .page-shell {
    width: min(100% - 24px, 980px);
    gap: 28px;
  }

  .logo-word {
    font-size: 72px;
  }

  .tagline {
    font-size: 22px;
  }

  .social-links {
    grid-template-columns: 1fr;
  }

  .social-link {
    justify-content: flex-start;
  }

  .pgp-actions {
    align-items: flex-start;
    flex-direction: column;
  }
}