/* NØNOS brand, light only, as in the app: white ground, Ink text, Cyan only as a fill, Deep
   Teal for anything that must read as text or a line. No gradients, shadows or glows; surfaces
   are separated by thin rules. Fonts are served from this site. */
@font-face {
  font-family: 'Geist';
  src: url('/assets/fonts/geist.woff2') format('woff2');
  font-weight: 100 900;
  font-display: swap;
}

@font-face {
  font-family: 'JetBrains Mono';
  src: url('/assets/fonts/jetbrains-mono.woff2') format('woff2');
  font-weight: 100 800;
  font-display: swap;
}

:root {
  --ink: #0a0b0d;
  --ink-2: #3a3e47;
  --muted: #676c77;
  --line: #e2e4ea;
  --line-strong: #cdd0d8;
  --paper: #f2f3f7;
  --surface-2: #f7f8fa;
  --cyan: #66ffff;
  --cyan-hover: #4df0f0;
  --teal: #007c85;
  --danger: #c4302b;
  --danger-soft: #fbe8e7;
  --sans: 'Geist', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
  color-scheme: light;
}

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

body {
  margin: 0;
  background: #ffffff;
  color: var(--ink);
  font: 15px/1.5 var(--sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--teal);
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
}

.top,
main,
.foot {
  max-width: 720px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-size: 17px;
  font-weight: 600;
  text-decoration: none;
}

.by {
  color: var(--muted);
  font: 12px var(--mono);
  letter-spacing: 0.02em;
}

main {
  padding-top: 48px;
  padding-bottom: 32px;
}

main.narrow {
  min-height: 50vh;
}

h1 {
  margin: 0 0 14px;
  font-size: 34px;
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

h2 {
  margin: 0 0 12px;
  font-size: 19px;
  font-weight: 500;
}

.lead {
  max-width: 60ch;
  margin: 0 0 32px;
  color: var(--ink-2);
  font-size: 17px;
}

.card {
  margin-bottom: 24px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 14px;
}

label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
}

.address {
  display: flex;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  overflow: hidden;
}

.address:focus-within {
  outline: 2px solid var(--teal);
  outline-offset: 1px;
}

.address input {
  flex: 1;
  min-width: 0;
  padding: 12px 14px;
  border: 0;
  outline: none;
  background: #ffffff;
  color: var(--ink);
  font: 500 16px var(--mono);
}

.suffix {
  display: flex;
  align-items: center;
  padding: 0 14px;
  border-left: 1px solid var(--line);
  background: var(--surface-2);
  color: var(--muted);
  font: 15px var(--mono);
  white-space: nowrap;
}

.hint {
  min-height: 1.5em;
  margin: 8px 0 20px;
  color: var(--muted);
  font-size: 13.5px;
}

.hint.ok {
  color: var(--teal);
}

.hint.bad {
  color: var(--danger);
}

button {
  font: inherit;
  cursor: pointer;
}

button.primary {
  padding: 12px 20px;
  border: 1px solid var(--ink);
  border-radius: 8px;
  background: var(--cyan);
  color: var(--ink);
  font-weight: 600;
}

button.primary:hover:not(:disabled) {
  background: var(--cyan-hover);
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.fine {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.notice {
  margin: 0 0 20px;
  padding: 12px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: var(--paper);
}

.error {
  margin: 0 0 24px;
  padding: 12px 14px;
  border: 1px solid var(--danger);
  border-radius: 8px;
  background: var(--danger-soft);
  color: var(--danger);
}

.mono {
  font-family: var(--mono);
}

.progress {
  height: 4px;
  border-radius: 2px;
  background: var(--line);
  overflow: hidden;
}

.progress span {
  display: block;
  width: 30%;
  height: 100%;
  background: var(--teal);
  animation: slide 1.4s linear infinite;
}

@keyframes slide {
  from {
    transform: translateX(-100%);
  }
  to {
    transform: translateX(340%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .progress span {
    width: 100%;
    animation: none;
  }
}

.steps {
  margin: 0;
  padding-left: 20px;
}

.steps li {
  margin-bottom: 14px;
}

.code {
  display: flex;
  gap: 10px;
  align-items: stretch;
  margin: 10px 0 4px;
}

.code code {
  flex: 1;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  font: 15px var(--mono);
  overflow-wrap: anywhere;
  user-select: all;
}

.code button {
  padding: 10px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: #ffffff;
  color: var(--ink);
  font-weight: 500;
}

.facts {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  color: var(--ink-2);
}

.facts h2 {
  color: var(--ink);
  font-size: 15px;
  font-weight: 600;
}

.facts ul {
  padding-left: 18px;
}

.facts li {
  margin-bottom: 8px;
}

.foot {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  padding-top: 20px;
  padding-bottom: 40px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 560px) {
  h1 {
    font-size: 27px;
  }

  .card {
    padding: 20px;
  }

  .address {
    flex-direction: column;
  }

  .suffix {
    padding: 8px 14px;
    border-top: 1px solid var(--line);
    border-left: 0;
  }
}