:root {
  color-scheme: light;
  --bg: #f6f7f4;
  --panel: #ffffff;
  --text: #18201d;
  --muted: #5d6861;
  --line: #dfe5de;
  --accent: #186f5a;
  --accent-strong: #0f4c3e;
  --accent-soft: #e2f2ec;
  --shadow: 0 24px 70px rgba(24, 32, 29, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
}

body {
  min-height: 100vh;
  margin: 0;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  color: var(--text);
  background:
    linear-gradient(135deg, rgba(24, 111, 90, 0.08), transparent 38%),
    radial-gradient(circle at 85% 20%, rgba(218, 177, 86, 0.16), transparent 24%),
    var(--bg);
}

.page-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 32px 16px;
}

.request-panel {
  width: min(100%, 720px);
  padding: clamp(28px, 5vw, 56px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: color-mix(in srgb, var(--panel) 96%, var(--accent-soft));
  box-shadow: var(--shadow);
}

.brand-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 34px;
  color: var(--accent-strong);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-row p {
  margin: 0;
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: var(--accent);
  color: #ffffff;
  font-weight: 800;
  box-shadow: inset 0 -10px 18px rgba(0, 0, 0, 0.12);
}

h1 {
  max-width: 12ch;
  margin: 0 0 22px;
  color: var(--text);
  font-size: clamp(2rem, 7vw, 4.5rem);
  line-height: 0.98;
  letter-spacing: 0;
}

.lead,
.note {
  margin: 0;
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.125rem);
  line-height: 1.7;
}

.email-link {
  display: inline-flex;
  max-width: 100%;
  margin: 24px 0 30px;
  padding: 14px 16px;
  border: 1px solid color-mix(in srgb, var(--accent) 25%, var(--line));
  border-radius: 8px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-size: clamp(1rem, 4.2vw, 1.28rem);
  font-weight: 800;
  line-height: 1.2;
  overflow-wrap: anywhere;
  text-decoration: none;
}

.email-link:hover,
.email-link:focus-visible {
  color: #ffffff;
  background: var(--accent);
  outline: none;
}

.details {
  margin: 0 0 28px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfa;
}

.details h2 {
  margin: 0 0 14px;
  font-size: 1rem;
  line-height: 1.3;
}

.details ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding-left: 22px;
  color: var(--muted);
  line-height: 1.55;
}

.copy-button {
  min-height: 46px;
  margin-top: 28px;
  padding: 0 18px;
  border: 0;
  border-radius: 8px;
  background: var(--text);
  color: #ffffff;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.copy-button:hover,
.copy-button:focus-visible {
  background: var(--accent-strong);
  outline: none;
}

.copy-status {
  min-height: 1.4em;
  margin: 12px 0 0;
  color: var(--accent-strong);
  font-size: 0.94rem;
}

@media (max-width: 520px) {
  .page-shell {
    place-items: stretch;
    padding: 14px;
  }

  .request-panel {
    align-self: center;
  }

  h1 {
    max-width: 10ch;
  }

  .details {
    padding: 18px;
  }

  .copy-button {
    width: 100%;
  }
}