:root {
  --bg:       #1c1c1c;
  --border:   #333333;
  --text:     #d4cfc9;
  --muted:    #c1bcb8;
  --accent:   #b8936a;
  --mono-bg:  #242424;

  --serif:  Palatino, "Palatino Linotype", "Book Antiqua", Georgia, serif;
  --mono:   ui-monospace, "Cascadia Code", "Source Code Pro", Menlo, Consolas, "Courier New", monospace;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  min-height: 100%;
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--serif);
  font-size: 20px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 3rem 1.5rem;
}

.card {
  width: 100%;
  max-width: 520px;
  opacity: 0;
  transform: translateY(14px);
  animation: rise 0.9s cubic-bezier(0.22, 1, 0.36, 1) 0.1s forwards;
}

@keyframes rise {
  to { opacity: 1; transform: translateY(0); }
}

header { margin-bottom: 1.8rem; }

.business-name {
  font-size: clamp(1.7rem, 5vw, 2.4rem);
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text);
  line-height: 1.1;
}

.tagline {
  margin-top: 1.2rem;
  font-size: 0.85rem;
  font-family: var(--mono);
  color: var(--muted);
  letter-spacing: 0.02em;
}

.divider {
  margin-top: 1.6rem;
  height: 1px;
  background: linear-gradient(to right, var(--accent), var(--border), transparent);
}

.contacts {
  display: flex;
  flex-direction: column;
}

.contact-item {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 0 1.2rem;
  align-items: start;
  padding: 1.2rem 0;
  border-bottom: 1px solid var(--border);
  opacity: 0;
  transform: translateY(8px);
  animation: rise 0.7s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.contact-item:nth-child(1) { animation-delay: 0.30s; }
.contact-item:nth-child(2) { animation-delay: 0.43s; }
.contact-item:nth-child(3) { animation-delay: 0.56s; }
.contact-item:nth-child(4) { animation-delay: 0.69s; }

.contact-item:last-child { border-bottom: none; }

.contact-label {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  padding-top: 0.15rem;
}

.contact-body {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.contact-value {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--text);
  word-break: break-all;
  line-height: 1.55;
}

.contact-note {
  font-size: 0.82rem;
  color: var(--muted);
  font-style: italic;
}

.fingerprint {
  display: inline-block;
  background: var(--mono-bg);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 0.55rem 0.75rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--text);
  line-height: 1.85;
  word-break: break-all;
}

.pgp-links {
  display: flex;
  gap: 0.9rem;
  flex-wrap: wrap;
  margin-top: 0.45rem;
}

.pgp-link {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}
.pgp-link:hover { border-color: var(--accent); }

.copy-row {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  flex-wrap: wrap;
}

.copy-btn {
  appearance: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 0.2rem 0.6rem;
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
}
.copy-btn:hover  { color: var(--accent); border-color: var(--accent); }
.copy-btn.copied { color: #7a9e7a;      border-color: #7a9e7a; }

.standards-body p {
  font-size: 1rem;
  color: var(--text);
  line-height: 1.8;
  max-width: 480px;
}

.standards-body p + p {
  margin-top: 1.2rem;
}

footer {
  margin-top: 2.4rem;
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.footer-link {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid var(--border);
  transition: color 0.2s, border-color 0.2s;
}
.footer-link:hover { color: var(--accent); border-color: var(--accent); }