/* Arokio landing — plain CSS, no build step, no framework.
   Colours are the app's brand tokens (DESIGN.md), written as hex so older
   phone browsers show them identically to the app. */

:root {
  --surface-base: #0c0c0f;
  --surface: #202125;
  --muted: #16161a;
  --surface-raised: #27282d;
  --border: #2d2e33;
  --border-strong: #7f7f87;
  --on-surface: #f3f3f6;
  --on-surface-muted: #c0c0c7;
  --primary: #027c7c;
  --primary-hover: #00869a;
  --primary-press: #006a6a;
  --primary-mark: #00a3be;
  --on-primary: #f1f5f4;
  --ring: #00a3be;

  --font-sans:
    -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue',
    Arial, 'Noto Sans', sans-serif;

  --measure: 34rem;
  --page-max: 46rem;
}

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

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background-color: var(--surface-base);
  color: var(--on-surface);
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.page {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 4.5rem 1.5rem 3rem;
}

/* --- Wordmark ------------------------------------------------------- */

.wordmark {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  margin: 0;
}

.wordmark a {
  color: var(--on-surface);
  text-decoration: none;
}

.wordmark a:hover {
  color: var(--primary-mark);
}

/* --- Type ------------------------------------------------------------ */

h1 {
  font-size: 2rem;
  line-height: 1.25;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 2.5rem 0 0;
  max-width: var(--measure);
}

h2 {
  font-size: 1.25rem;
  line-height: 1.35;
  font-weight: 600;
  margin: 0 0 0.75rem;
}

p {
  max-width: var(--measure);
}

.lede {
  color: var(--on-surface-muted);
  margin: 1.25rem 0 0;
}

.note {
  color: var(--on-surface-muted);
  font-size: 0.9375rem;
}

/* --- Early-access chip ----------------------------------------------- */

.chip {
  display: inline-block;
  margin-top: 2rem;
  padding: 0.25rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background-color: var(--muted);
  color: var(--on-surface-muted);
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
}

/* --- Downloads -------------------------------------------------------- */

.downloads {
  margin-top: 2.5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
}

.btn {
  display: inline-block;
  padding: 0.75rem 1.25rem;
  border-radius: 0.5rem;
  border: 1px solid transparent;
  font-size: 1rem;
  font-weight: 500;
  text-decoration: none;
  transition:
    background-color 0.15s ease,
    border-color 0.15s ease;
}

.btn:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 2px;
}

.btn-primary {
  background-color: var(--primary);
  color: var(--on-primary);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
}

.btn-primary:active {
  background-color: var(--primary-press);
}

.btn-secondary {
  background-color: var(--surface);
  border-color: var(--border);
  color: var(--on-surface);
}

.btn-secondary:hover {
  background-color: var(--surface-raised);
  border-color: var(--border-strong);
}

.download-aside {
  margin: 0.75rem 0 0;
  font-size: 0.9375rem;
  color: var(--on-surface-muted);
}

a {
  color: var(--primary-mark);
}

a:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 2px;
  border-radius: 2px;
}

/* --- Sections --------------------------------------------------------- */

.section {
  margin-top: 3.5rem;
}

.list {
  max-width: var(--measure);
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--on-surface-muted);
}

.list li {
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--border);
}

.list li:last-child {
  border-bottom: 0;
}

.list strong {
  color: var(--on-surface);
  font-weight: 600;
}

/* --- Guide steps ------------------------------------------------------ */

.steps {
  max-width: var(--measure);
  margin: 2rem 0 0;
  padding: 0 0 0 1.5rem;
  counter-reset: none;
}

.steps > li {
  margin-bottom: 2.5rem;
  padding-left: 0.5rem;
}

.steps > li::marker {
  color: var(--primary-mark);
  font-weight: 600;
}

.steps h2 {
  margin-top: 0;
}

.callout {
  max-width: var(--measure);
  margin-top: 2rem;
  padding: 1rem 1.25rem;
  background-color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
}

.callout p {
  margin: 0;
  color: var(--on-surface-muted);
}

.shot {
  display: block;
  width: 100%;
  height: auto;
  max-width: var(--measure);
  margin-top: 1rem;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  background-color: var(--surface);
  color: var(--on-surface-muted);
  font-size: 0.875rem;
}

/* --- Footer ----------------------------------------------------------- */

.footer {
  margin-top: 4.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  color: var(--on-surface-muted);
  font-size: 0.9375rem;
}

.footer p {
  margin: 0;
}

/* --- Small screens ---------------------------------------------------- */

@media (max-width: 30rem) {
  .page {
    padding: 3rem 1.25rem 2.5rem;
  }

  h1 {
    font-size: 1.75rem;
  }

  .downloads {
    display: block;
  }

  .btn {
    display: block;
    width: 100%;
    text-align: center;
  }

  .btn + .btn {
    margin-top: 0.75rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
  }
}