/* v17-autopilot — «Автопилот»: an ordinary page that drifts past you until you intervene */
:root {
  --paper: #f3f4f6;
  --paper-2: #e9ebef;
  --ink: #1c2026;
  --ink-soft: #596170;
  --line: #cfd4db;
  --accent: #c8321e;
  --accent-deep: #a32818;
  --accent-tint: #fbe9e5;
  --measure: 65ch;
  --serif: "PT Serif", Georgia, serif;
  --sans: "PT Sans", Arial, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: auto; }
html, body { overflow-x: clip; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 1.0625rem/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
}
::selection { background: var(--accent-tint); color: var(--ink); }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
a { color: var(--accent-deep); text-underline-offset: 0.18em; }
a:hover { color: var(--accent); }

.wrap { max-width: 44rem; margin: 0 auto; padding-left: 1rem; padding-right: 1rem; }
h1, h2, h3 { font-family: var(--serif); font-weight: 700; line-height: 1.3; margin: 0; }
h1 { font-size: 2.6rem; line-height: 1.1; margin-bottom: 1rem; }
h2 { font-size: 1.85rem; margin-bottom: 0.9rem; }
h3 { font-size: 1.25rem; margin-bottom: 0.5rem; }
p { max-width: var(--measure); margin: 0 0 1rem; }
.muted { color: var(--ink-soft); }
.small { font-size: 0.93rem; }

/* hero */
.hero { padding: 3rem 0 2.5rem; }
.lede { font-family: var(--serif); font-size: 1.35rem; line-height: 1.4; max-width: 36ch; }
.support { color: var(--ink-soft); }
.facts { list-style: none; padding: 1rem 0 0; margin: 0 0 1.25rem; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; gap: 0.35rem 1.4rem; max-width: var(--measure); }
.facts li[data-only] { font-weight: 700; }
.picker { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem; margin-bottom: 1.5rem; }
.picker__label { color: var(--ink-soft); margin-right: 0.25rem; }
.picker button {
  font: inherit; font-weight: 700; line-height: 1.4; cursor: pointer;
  padding: 0.45rem 1rem; border-radius: 999px;
  border: 1.5px solid var(--ink); background: transparent; color: var(--ink);
  transition: background 0.2s ease-out, color 0.2s ease-out;
}
.picker button:hover { background: var(--paper-2); }
.picker button[aria-pressed="true"] { background: var(--ink); color: var(--paper); }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 0.75rem 1.5rem; margin: 0 0 0.5rem; }
.btn {
  display: inline-block; font: inherit; font-weight: 700; line-height: 1.4; cursor: pointer;
  padding: 0.85rem 1.6rem; border-radius: 6px; border: 2px solid var(--accent);
  background: var(--accent); color: #fff; text-decoration: none;
  transition: background 0.2s ease-out, border-color 0.2s ease-out, transform 0.2s ease-out;
}
.btn:hover { background: var(--accent-deep); border-color: var(--accent-deep); color: #fff; }
.btn:active { transform: translateY(1px); }
.btn:disabled, .btn[data-loading] { opacity: 0.6; cursor: progress; }
.btn[data-loading]::after { content: "…"; }
.btn--secondary { background: transparent; color: var(--accent-deep); }
.btn--secondary:hover { background: var(--accent-tint); color: var(--accent-deep); }
.textlink { color: var(--ink); }

/* sections */
main > section { padding: 2.75rem 0; border-top: 1px solid var(--line); }
.concepts, .faq { margin: 1.5rem 0 0; max-width: var(--measure); }
.concepts > div, .faq > div { display: grid; grid-template-columns: minmax(9rem, 14rem) 1fr; gap: 0.5rem 1.25rem; padding: 0.8rem 0; border-top: 1px solid var(--line); }
.concepts > div:last-child, .faq > div:last-child { border-bottom: 1px solid var(--line); }
dt { font-family: var(--serif); font-weight: 700; }
dd { margin: 0; }
.steps { padding-left: 1.4rem; margin: 0 0 1.25rem; max-width: var(--measure); }
.steps li { padding: 0.3rem 0; }
.steps li::marker { font-family: var(--serif); font-weight: 700; color: var(--accent-deep); }
.person { display: grid; grid-template-columns: 9rem 1fr; gap: 1.5rem; align-items: start; max-width: var(--measure); }
.photo { aspect-ratio: 3 / 4; border: 1px dashed var(--line); background: #fff; display: grid; place-items: center; padding: 1rem; color: var(--ink-soft); font-size: 0.93rem; text-align: center; }

/* form */
form { max-width: 40rem; }
fieldset { border: 0; padding: 0; margin: 0 0 1.25rem; }
legend { font-weight: 700; padding: 0; margin-bottom: 0.5rem; }
.choice { display: inline-flex; align-items: center; gap: 0.45rem; margin: 0 1rem 0.4rem 0; }
.field { margin: 0 0 1.25rem; }
.field label { display: block; font-weight: 700; margin-bottom: 0.35rem; }
input[type="text"], input[type="email"], input[type="tel"], textarea {
  font: inherit; color: var(--ink); width: 100%; max-width: 28rem;
  padding: 0.65rem 0.8rem; border: 1.5px solid var(--line); border-radius: 6px; background: #fff;
  caret-color: var(--accent);
}
input::placeholder, textarea::placeholder { color: #6b7380; }
input:focus-visible, textarea:focus-visible { border-color: var(--accent); outline-offset: 2px; }
input[type="radio"], input[type="checkbox"] { accent-color: var(--accent); width: 1.1rem; height: 1.1rem; }
.consent { display: flex; gap: 0.6rem; align-items: flex-start; margin: 0 0 1.25rem; max-width: var(--measure); }
.consent input { margin-top: 0.2rem; flex: none; }
.preview-note { color: var(--ink-soft); font-size: 0.93rem; padding: 0.5rem 0.75rem; background: var(--paper-2); border-radius: 6px; display: inline-block; }
.done { max-width: var(--measure); padding: 1.5rem; background: #fff; border: 1px solid var(--line); border-radius: 8px; }

/* countdown */
.countdown { background: var(--paper-2); border-top: 1px solid var(--line); }
.countdown .wrap { text-align: center; }
.countdown__label, .countdown__status { color: var(--ink-soft); margin: 0 0 0.5rem; }
.countdown__status { display: none; font-family: var(--serif); font-size: 1.6rem; color: var(--ink); }
.countdown__nums { display: flex; justify-content: center; flex-wrap: wrap; gap: 0.75rem 2rem; margin: 0 auto 0.75rem; }
.countdown__nums b { display: block; font-family: var(--serif); font-size: 2.8rem; line-height: 1.3; font-variant-numeric: tabular-nums; }
.countdown__nums small { color: var(--ink-soft); font-size: 0.93rem; }
.countdown__date { margin: 0 auto; }
.countdown[data-state="live"] .countdown__before, .countdown[data-state="ended"] .countdown__before { display: none; }
.countdown[data-state="live"] .countdown__live, .countdown[data-state="ended"] .countdown__ended { display: block; }

footer { padding: 2rem 0 7rem; border-top: 1px solid var(--line); color: var(--ink-soft); font-size: 0.93rem; }
footer p { margin-bottom: 0.4rem; }

/* the announcement, the time mark, the drift control and the stopping band */
.announce {
  max-width: none; margin: 0; padding: 0.7rem 1rem;
  text-align: center; font-size: 0.93rem; line-height: 1.5; color: var(--ink-soft);
  border-bottom: 1px solid var(--accent);
}
.announce[hidden] { display: none; }
.progress { position: fixed; left: 0; top: 0; width: 2px; height: 100vh; z-index: 11; pointer-events: none; }
.progress[hidden] { display: none; }
.progress span { display: block; width: 100%; height: 0; background: var(--accent); }
.autopilot {
  position: fixed; left: 50%; bottom: 1rem; transform: translateX(-50%);
  width: min(40rem, 100vw - 2rem);
  display: flex; align-items: center; justify-content: space-between; gap: 0.6rem;
  padding: 0.45rem 0.45rem 0.45rem 1.25rem;
  background: #fff; border: 1px solid var(--line); border-radius: 999px;
  box-shadow: 0 8px 24px rgba(28, 32, 38, 0.16);
  z-index: 10;
}
.autopilot[hidden] { display: none; }
.autopilot__note { color: var(--ink-soft); font-size: 0.93rem; white-space: nowrap; }
.autopilot__dot { color: var(--ink-soft); }
.autopilot__stop {
  margin-left: auto;
  font: inherit; font-weight: 700; line-height: 1.4; cursor: pointer;
  padding: 0.6rem 1.3rem; border-radius: 999px; border: 2px solid var(--accent);
  background: var(--accent); color: #fff;
}
.autopilot__stop:hover { background: var(--accent-deep); border-color: var(--accent-deep); }
.noticed {
  background: var(--accent); color: #fff;
  padding: 2.25rem 0;
  animation: noticed-in 600ms cubic-bezier(0.16, 1, 0.3, 1) both;
}
.noticed .wrap { display: flex; flex-wrap: wrap; align-items: baseline; gap: 0.75rem 2rem; }
.noticed__text {
  font-family: var(--serif); font-weight: 700; font-size: 2rem; line-height: 1.2;
  margin: 0; max-width: 24ch; color: #fff;
}
.noticed__link { color: #fff; font-weight: 700; white-space: nowrap; text-underline-offset: 0.22em; }
.noticed__link:hover { color: var(--accent-tint); }
.noticed ::selection { background: #fff; color: var(--accent-deep); }
@keyframes noticed-in { from { opacity: 0.4; } to { opacity: 1; } }
@media (prefers-reduced-motion: reduce) {
  .autopilot, .announce, .progress { display: none !important; }
  .noticed { animation: none; }
  .btn, .picker button { transition: none; }
}

@media (min-width: 44rem) {
  .wrap { padding-left: 2rem; padding-right: 2rem; }
  .hero { padding: 5rem 0 3.5rem; }
  h1 { font-size: 3.6rem; }
  main > section { padding: 3.5rem 0; }
  .noticed { padding: 3rem 0; }
  .noticed__text { font-size: 2.6rem; }
}
@media (max-width: 30rem) {
  .person { grid-template-columns: 1fr; }
  .photo { max-width: 10rem; }
  .concepts > div, .faq > div { grid-template-columns: 1fr; gap: 0.2rem; }
  .autopilot__note, .autopilot__dot { display: none; }
  .autopilot { width: auto; }
}