@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@500;600;700;800&display=swap');

:root {
  --paper: #fbfaf8;
  --surface: #ffffff;
  --ink: #101820;
  --muted: #5f6b73;
  --seal: #b8862b;
  --ok: #0f7b5f;
  --alarm: #a6332e;
  --line: #e4e0d8;
  --line-soft: #efece6;
  --radius: 14px;
  --shell: 720px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: 'Manrope', system-ui, -apple-system, sans-serif;
  font-weight: 500;
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

main, .bar, .foot {
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: 20px;
}

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

/* ---------------------------------------------------------------- шапка */

.bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-block: 20px 8px;
}

.logo {
  font-weight: 800;
  font-size: 21px;
  letter-spacing: -0.03em;
  text-decoration: none;
  display: inline-flex;
  align-items: baseline;
  gap: 3px;
}

.logo i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--seal);
  display: inline-block;
}

.bar-right { display: flex; align-items: center; gap: 14px; }

.quiet {
  color: var(--muted);
  font-size: 14.5px;
  text-decoration: none;
}
.quiet:hover { color: var(--ink); }

/* переключатель языка */

.lang { position: relative; }

.lang > button {
  font: inherit;
  font-size: 14.5px;
  font-weight: 600;
  padding: 7px 12px;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 9px;
  color: var(--ink);
  cursor: pointer;
}
.lang > button::after { content: ''; }
.lang > button:hover { border-color: var(--ink); }

.lang ul {
  position: absolute;
  right: 0;
  top: calc(100% + 6px);
  margin: 0;
  padding: 5px;
  list-style: none;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 11px;
  box-shadow: 0 12px 28px -14px rgba(16, 24, 32, .35);
  display: none;
  min-width: 150px;
  z-index: 20;
}
.lang ul.open { display: block; }

.lang ul a {
  display: block;
  padding: 9px 12px;
  border-radius: 7px;
  text-decoration: none;
  font-size: 15px;
}
.lang ul a:hover { background: var(--line-soft); }
.lang ul a[aria-current] { color: var(--seal); font-weight: 700; }

/* ----------------------------------------------------------------- герой */

.hero {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 28px;
  padding-block: 44px 34px;
}

h1 {
  font-weight: 800;
  font-size: clamp(30px, 6vw, 44px);
  line-height: 1.08;
  letter-spacing: -0.032em;
  margin: 0 0 14px;
  text-wrap: balance;
}

.lead {
  color: var(--muted);
  margin: 0;
  max-width: 46ch;
}

.seal {
  width: clamp(84px, 18vw, 132px);
  height: auto;
  color: var(--seal);
  opacity: 0;
  animation: seal-in .7s cubic-bezier(.2, .8, .3, 1) .15s forwards;
}

@keyframes seal-in {
  from { opacity: 0; transform: scale(.86) rotate(-8deg); }
  to   { opacity: .95; transform: none; }
}

/* ---------------------------------------------------------------- панели */

.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  margin-block: 20px;
}

.panel h2 {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.015em;
  margin: 0 0 8px;
}

.panel .lead { margin-bottom: 18px; font-size: 15.5px; }

/* зона загрузки */

.drop {
  border: 1.5px dashed var(--line);
  border-radius: 11px;
  background: var(--paper);
  padding: 38px 22px;
  text-align: center;
  cursor: pointer;
  transition: border-color .16s, background .16s;
}
.drop:hover, .drop.hot, .drop:focus-visible {
  border-color: var(--seal);
  background: #fdfaf3;
}
.drop-icon { width: 26px; height: 26px; color: var(--seal); display: block; margin: 0 auto 10px; }
.drop strong { display: block; font-weight: 700; margin-bottom: 5px; }
.drop small { color: var(--muted); display: block; max-width: 42ch; margin-inline: auto; }

/* карточка документа */

.sheet {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 11px;
  padding: 22px;
  margin-top: 20px;
}
.sheet .mark { position: absolute; top: 18px; right: 18px; width: 68px; height: 68px; opacity: .92; }
.sheet .name { font-weight: 700; font-size: 19px; letter-spacing: -0.015em; word-break: break-word; }
.sheet .name.has-mark { padding-right: 84px; }

.meta { color: var(--muted); font-size: 14.5px; margin-top: 6px; }
.meta code { letter-spacing: .06em; font-weight: 700; color: var(--ink); }

/* ---------------------------------------------------------------- кнопки */

button, .btn {
  font: inherit;
  font-weight: 700;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  padding: 13px 22px;
  border-radius: 10px;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  text-align: center;
  transition: background .16s, transform .06s;
}
button:hover, .btn:hover { background: #05101a; }
button:active, .btn:active { transform: translateY(1px); }
button:focus-visible, a:focus-visible, .drop:focus-visible, input:focus-visible {
  outline: 3px solid var(--seal);
  outline-offset: 2px;
}
button[disabled] { opacity: .45; cursor: default; }

button.ghost, .btn.ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
button.ghost:hover, .btn.ghost:hover { background: var(--line-soft); border-color: var(--ink); }

.actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }

.link-row { display: flex; gap: 8px; margin-top: 16px; }
.link-row input { flex: 1; min-width: 0; }

input[type=text], input[type=email], input[type=tel] {
  font: inherit;
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--paper);
  color: var(--ink);
}
input[readonly] { color: var(--muted); }

label { display: block; font-weight: 700; font-size: 14px; margin: 14px 0 5px; }

/* ------------------------------------------------------------- как это работает */

.steps { padding-block: 24px 8px; }
.steps h2 { font-size: 20px; font-weight: 700; margin: 0 0 16px; letter-spacing: -0.015em; }

.steps ol {
  list-style: none;
  counter-reset: step;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}
.steps li {
  counter-increment: step;
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  column-gap: 14px;
  row-gap: 2px;
  align-items: start;
}
.steps li::before {
  content: counter(step);
  grid-column: 1;
  grid-row: 1 / span 2;          /* цифра держит обе строки, текст не съезжает в узкую колонку */
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1.5px solid var(--seal);
  color: var(--seal);
  font-weight: 700;
  font-size: 14px;
  display: grid;
  place-items: center;
}
.steps h3 {
  grid-column: 2;
  grid-row: 1;
  font-size: 16.5px;
  font-weight: 700;
  margin: 4px 0 0;
}
.steps p {
  grid-column: 2;
  grid-row: 2;
  margin: 0;
  color: var(--muted);
  font-size: 15.5px;
  max-width: 58ch;
}

/* ------------------------------------------------------------------ доверие */

.trust {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  padding-block: 30px 12px;
  border-top: 1px solid var(--line);
  margin-top: 30px;
}
.trust h3 { font-size: 15.5px; font-weight: 700; margin: 0 0 5px; }
.trust p { margin: 0; color: var(--muted); font-size: 14.5px; }

/* --------------------------------------------------------------- подписи */

.signer { border-top: 1px solid var(--line); padding: 18px 0; }
.signer:last-of-type { border-bottom: 1px solid var(--line); }
.signer .who { font-weight: 700; }
.signer .detail { color: var(--muted); font-size: 14.5px; margin-top: 3px; }

.stamp {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  padding: 3px 10px;
  border: 1px solid currentColor;
  border-radius: 7px;
  margin-top: 9px;
}
.stamp.ok { color: var(--ok); }
.stamp.warn { color: var(--alarm); }

/* --------------------------------------------------- регистрация в конце */

.after {
  margin-top: 22px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--seal);
  border-radius: var(--radius);
  padding: 24px;
}
.after h2 { font-size: 19px; font-weight: 700; margin: 22px 0 6px; }

/* ------------------------------------------------------------- состояния */

.status {
  margin-top: 16px;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  font-size: 15px;
}
.status.bad { border-color: var(--alarm); color: var(--alarm); }

.tech { margin-top: 12px; font-size: 13.5px; color: var(--muted); }
.tech summary { cursor: pointer; }
.tech pre {
  overflow-x: auto;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px;
  font-size: 12.5px;
  line-height: 1.45;
}

.note { font-size: 14.5px; color: var(--muted); margin-top: 14px; }
.hidden { display: none; }

/* ------------------------------------------------------------------ подвал */

.foot {
  margin-top: 46px;
  padding-block: 20px 34px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13.5px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.foot a { color: var(--muted); }

/* ------------------------------------------------------------- мобильные */

@media (max-width: 640px) {
  body { font-size: 16.5px; }
  main, .bar, .foot { padding-inline: 16px; }

  .bar { padding-block: 14px 4px; }
  .bar .quiet { display: none; }

  .hero {
    grid-template-columns: 1fr;
    gap: 20px;
    padding-block: 26px 22px;
  }
  .hero-seal { order: -1; }
  .seal { width: 76px; }

  .panel { padding: 18px; border-radius: 12px; }
  .drop { padding: 30px 16px; }

  .link-row { flex-direction: column; }
  .link-row button { width: 100%; }
  .actions .btn, .actions button { flex: 1 1 100%; }

  .trust { grid-template-columns: 1fr; gap: 18px; }

  .sheet .mark { width: 48px; height: 48px; top: 16px; right: 16px; }
  .sheet .name.has-mark { padding-right: 60px; font-size: 17.5px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; animation: none !important; }
  .seal { opacity: .95; }
}

/* --------------------------------------- проверка подписи любого провайдера */

.pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.drop-sm { padding: 24px 16px; }
.drop-sm small {
  margin-top: 6px;
  word-break: break-all;
  color: var(--muted);
}

.verdict {
  margin: 20px 0 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 11px;
  overflow: hidden;
}
.verdict > div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  background: var(--surface);
  padding: 13px 16px;
}
.verdict dt { color: var(--muted); font-size: 15px; }
.verdict dd { margin: 0; font-weight: 700; text-align: right; }
.verdict dd.good { color: var(--ok); }
.verdict dd.bad { color: var(--alarm); }

@media (max-width: 640px) {
  .pair { grid-template-columns: 1fr; }
  .verdict > div { flex-direction: column; gap: 3px; }
  .verdict dd { text-align: left; }
}