/*
 * Neostream waitlist site.
 *
 * One accent, derived. Every tint below comes from --accent through
 * color-mix, which is what makes a different accent a one-line change
 * rather than a rewrite (CLAUDE.md, "The one accent").
 *
 * System fonts only. Nothing loads from a CDN at runtime, ever:
 * enterprise proxies break it, and this page makes zero external
 * requests by design.
 */

:root {
  --accent: #4271ae;
  --accent-edge: #35598f;

  --canvas-top: #f4f6f9;
  --canvas-bottom: #edf0f4;

  --ink: #23283a;
  --ink-soft: #565d70;
  --ink-faint: #7c8396;

  --surface: #ffffff;
  --edge: #dde1ea;

  --danger: #b4353a;
  --ok: #2f7d55;

  --radius-card: 9px;
  --radius-control: 7px;

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

  /*
   * A crisp hairline plus two soft layers. Premium is finish, not
   * layout.
   */
  --shadow-card:
    0 0 0 1px var(--edge), 0 1px 2px rgb(35 40 58 / 4%),
    0 8px 20px -12px rgb(35 40 58 / 14%);
  --shadow-control:
    0 1px 2px rgb(35 40 58 / 8%), 0 6px 14px -10px rgb(53 89 143 / 45%);
}

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

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

body {
  margin: 0;
  min-height: 100vh;
  background: linear-gradient(160deg, var(--canvas-top), var(--canvas-bottom));
  background-attachment: fixed;
  color: var(--ink);
  font-family: var(--font-ui);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

.page {
  max-width: 720px;
  margin: 0 auto;
  padding: 72px 24px 48px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

/* --- hero ---------------------------------------------------------- */

.hero {
  text-align: center;
}

.mark {
  display: block;
  width: 150px;
  height: auto;
  margin: 0 auto 20px;
}

h1 {
  margin: 0;
  font-size: 34px;
  font-weight: 500;
  letter-spacing: -0.5px;
  color: var(--ink);
}

.subline {
  margin: 10px 0 0;
  font-size: 17px;
  color: var(--ink-soft);
}

.lede {
  margin: 6px auto 0;
  max-width: 44ch;
  font-size: 15px;
  color: var(--ink-faint);
}

/* --- signup -------------------------------------------------------- */

.signup {
  margin-top: 36px;
}

.form {
  display: flex;
  gap: 8px;
  justify-content: center;
  align-items: stretch;
  flex-wrap: wrap;
}

.field {
  flex: 1 1 280px;
  min-width: 0;
  max-width: 340px;
  height: 40px;
  padding: 0 12px;
  font: inherit;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--edge);
  border-radius: var(--radius-control);
  box-shadow: inset 0 1px 2px rgb(35 40 58 / 5%);
  transition:
    border-color 90ms ease,
    box-shadow 90ms ease;
}

.field::placeholder {
  color: color-mix(in srgb, var(--ink-faint) 72%, transparent);
}

.field:hover {
  border-color: color-mix(in srgb, var(--accent) 34%, var(--edge));
}

.field:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow:
    inset 0 1px 2px rgb(35 40 58 / 5%),
    0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent);
}

.field[aria-invalid="true"] {
  border-color: var(--danger);
}

/* The honeypot. Off-canvas rather than display:none, because some
   bots skip fields that are not rendered at all. */
.decoy {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.submit {
  flex: 0 0 auto;
  height: 40px;
  padding: 0 18px;
  font: inherit;
  font-weight: 500;
  color: #fff;
  cursor: pointer;
  background-image: linear-gradient(
    to bottom,
    color-mix(in srgb, var(--accent) 92%, #fff),
    var(--accent)
  );
  border: 1px solid var(--accent-edge);
  border-radius: var(--radius-control);
  box-shadow:
    inset 0 1px 0 color-mix(in srgb, #fff 30%, transparent),
    var(--shadow-control);
  transition:
    filter 90ms ease,
    box-shadow 90ms ease,
    transform 90ms ease;
}

.submit:hover {
  filter: brightness(1.05);
}

.submit:active {
  transform: translateY(1px);
  filter: brightness(0.96);
}

.submit:focus-visible {
  outline: none;
  box-shadow:
    inset 0 1px 0 color-mix(in srgb, #fff 30%, transparent),
    0 0 0 3px color-mix(in srgb, var(--accent) 30%, transparent);
}

.submit[disabled] {
  cursor: default;
  filter: grayscale(0.35) brightness(1.02);
  opacity: 0.75;
}

.status {
  margin: 12px 0 0;
  min-height: 1.55em;
  text-align: center;
  font-size: 14px;
  color: var(--ink-soft);
}

.status[data-state="ok"] {
  color: var(--ok);
}

.status[data-state="error"] {
  color: var(--danger);
}

.promise {
  margin: 4px 0 0;
  text-align: center;
  font-size: 13px;
  color: var(--ink-faint);
}

/* --- cards --------------------------------------------------------- */

.cards {
  margin-top: 44px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.card {
  padding: 16px 18px 18px;
  background: var(--surface);
  border: 1px solid var(--edge);
  border-radius: var(--radius-card);
  box-shadow:
    0 1px 2px rgb(35 40 58 / 4%),
    0 8px 20px -14px rgb(35 40 58 / 18%);
}

.card h3 {
  margin: 0 0 6px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.1px;
  color: var(--ink);
}

.card p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--ink-soft);
}

/* --- footer -------------------------------------------------------- */

.footer {
  margin-top: 44px;
  padding-top: 20px;
  border-top: 1px solid color-mix(in srgb, var(--edge) 70%, transparent);
  text-align: center;
}

.platforms {
  margin: 0;
  font-size: 13.5px;
  color: var(--ink-soft);
}

.legal {
  margin: 8px auto 0;
  max-width: 52ch;
  font-size: 12px;
  line-height: 1.5;
  color: var(--ink-faint);
}

.links {
  margin: 10px 0 0;
  font-size: 12.5px;
}

a {
  color: var(--accent-edge);
  text-decoration-color: color-mix(in srgb, var(--accent) 40%, transparent);
  text-underline-offset: 2px;
}

a:hover {
  text-decoration-color: var(--accent);
}

/* --- prose (the privacy page) -------------------------------------- */

.prose {
  margin-top: 28px;
  padding: 20px 22px;
  background: var(--surface);
  border: 1px solid var(--edge);
  border-radius: var(--radius-card);
  box-shadow:
    0 1px 2px rgb(35 40 58 / 4%),
    0 8px 20px -14px rgb(35 40 58 / 18%);
}

.prose h2 {
  margin: 0 0 10px;
  font-size: 16px;
  font-weight: 600;
}

.prose p {
  margin: 0 0 10px;
  color: var(--ink-soft);
  font-size: 14px;
}

.prose p:last-child {
  margin-bottom: 0;
}

/* --- narrow widths ------------------------------------------------- */

@media (max-width: 720px) {
  .cards {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .page {
    padding: 48px 18px 36px;
  }

  h1 {
    font-size: 30px;
  }

  .field,
  .submit {
    flex: 1 1 100%;
    max-width: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition-duration: 1ms !important;
  }
}