:root {
  --color-bg: #ffffff;
  --color-raise: #f5f4f7;
  --color-text: #17161c;
  --color-muted: #575362;
  --color-accent: #7a3fb5;
  --color-accent-deep: #633094;
  --color-border: #e3e1e8;
  --font-head: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --font-body: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --font-mark: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --container: 1060px;
  --radius: 16px;
}

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

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

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.7;
}

img { max-width: 100%; height: auto; }

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

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

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

h1, h2, h3 {
  font-family: var(--font-head);
  font-weight: 600;
  line-height: 1.22;
  margin: 0 0 16px;
  letter-spacing: -0.015em;
}

h1 { font-size: clamp(2.1rem, 6vw, 3.2rem); }
h2 { font-size: clamp(1.45rem, 3.6vw, 2rem); }
h3 { font-size: 1.1rem; }

p { margin: 0 0 18px; }

ul, ol { margin: 0 0 20px; padding-left: 22px; }

li { margin-bottom: 11px; }

.pq-wrap {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

.pq-skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-accent);
  color: #ffffff;
  padding: 10px 16px;
  z-index: 40;
}

.pq-skip:focus { left: 0; color: #ffffff; }

.pq-head {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--color-bg);
  padding: 10px 0;
}

.pq-head__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 4px 20px;
  min-height: 56px;
}

.pq-logo {
  font-family: var(--font-head);
  font-size: 1.18rem;
  font-weight: 600;
  color: var(--color-text);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.pq-logo:hover { color: var(--color-text); }

.pq-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0 22px;
}

.pq-nav li { margin: 0; }

.pq-nav a {
  display: inline-block;
  min-height: 44px;
  padding: 11px 0;
  font-size: 0.95rem;
  text-decoration: none;
  color: var(--color-text);
}

.pq-nav a:hover { color: var(--color-accent); }

.pq-hero { padding: 40px 0 0; }

.pq-hero h1 { max-width: 16ch; }

.pq-hero__lead {
  font-size: 1.14rem;
  max-width: 60ch;
  margin-bottom: 22px;
}

.pq-hero__meta {
  font-family: var(--font-mark);
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 26px;
}

.pq-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 14px 26px;
  border: 1px solid var(--color-accent);
  border-radius: 999px;
  background: var(--color-accent);
  color: #ffffff;
  font: inherit;
  font-size: 0.98rem;
  text-decoration: none;
  cursor: pointer;
  transition: background 140ms ease, transform 140ms ease, color 140ms ease;
}

.pq-btn:hover {
  background: var(--color-accent-deep);
  border-color: var(--color-accent-deep);
  color: #ffffff;
  transform: translateY(-1px);
}

.pq-btn--ghost { background: var(--color-bg); color: var(--color-accent); }

.pq-btn--ghost:hover { background: var(--color-bg); color: var(--color-accent-deep); }

.pq-arrow { display: inline-block; font-weight: 600; text-decoration: none; }

.pq-arrow span { display: inline-block; transition: transform 140ms ease; }

.pq-arrow:hover { text-decoration: underline; }

.pq-arrow:hover span { transform: translateX(4px); }

.pq-sec { padding: 56px 0 0; }

.pq-sec__intro {
  max-width: 62ch;
  color: var(--color-muted);
  font-size: 1.03rem;
  margin-bottom: 26px;
}

.pq-panels {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.pq-panel {
  background: var(--color-raise);
  border-radius: var(--radius);
  padding: 24px 24px 8px;
  min-width: 0;
}

.pq-panel h3 { margin-bottom: 8px; }

.pq-panel__tag {
  display: block;
  font-family: var(--font-mark);
  font-size: 0.71rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 10px;
}

.pq-panel p { color: var(--color-muted); }

.pq-steps {
  counter-reset: st;
  list-style: none;
  padding: 0;
  margin: 0 0 20px;
  max-width: 70ch;
}

.pq-steps li {
  counter-increment: st;
  position: relative;
  padding-left: 52px;
  margin-bottom: 22px;
}

.pq-steps li::before {
  content: counter(st, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-mark);
  font-size: 0.84rem;
  color: var(--color-accent);
}

.pq-steps b { display: block; }

.pq-table__scroll { overflow-x: auto; margin: 0 0 14px; }

table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 0.96rem;
}

caption {
  text-align: left;
  font-size: 0.95rem;
  color: var(--color-muted);
  padding-bottom: 14px;
}

th, td {
  text-align: left;
  padding: 13px 18px 13px 0;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
}

thead th {
  font-family: var(--font-mark);
  font-size: 0.7rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--color-muted);
  font-weight: 500;
}

tbody th { font-weight: 600; padding-right: 20px; }

td.pq-num {
  text-align: right;
  font-variant-numeric: tabular-nums;
  padding-right: 18px;
}

.pq-source {
  font-style: italic;
  font-size: 0.91rem;
  color: var(--color-muted);
  margin: 0;
}

.pq-plain { max-width: 68ch; }

.pq-plain > *:last-child { margin-bottom: 0; }

.pq-mail {
  background: var(--color-raise);
  border-radius: var(--radius);
  padding: 30px 24px;
}

.pq-mail__addr {
  font-family: var(--font-mark);
  font-size: clamp(1.05rem, 4.4vw, 1.65rem);
  display: inline-block;
  margin: 4px 0 14px;
  word-break: break-all;
}

.pq-mail__note { color: var(--color-muted); max-width: 56ch; margin-bottom: 22px; }

.pq-prose { max-width: 68ch; }

.pq-prose h2 { font-size: clamp(1.3rem, 3vw, 1.65rem); margin-top: 40px; }

.pq-prose h3 { margin-top: 28px; }

.pq-updated {
  font-family: var(--font-mark);
  font-size: 0.82rem;
  color: var(--color-muted);
  margin-bottom: 30px;
}

.pq-foot {
  margin-top: 88px;
  padding: 36px 0 56px;
  font-size: 0.95rem;
  color: var(--color-muted);
  background: var(--color-raise);
}

.pq-foot__grid { display: grid; grid-template-columns: 1fr; gap: 24px; }

.pq-foot h2 {
  font-family: var(--font-mark);
  font-size: 0.71rem;
  font-weight: 500;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 11px;
}

.pq-foot ul { list-style: none; margin: 0; padding: 0; }

.pq-foot li { margin-bottom: 9px; }

.pq-foot__legal { margin-top: 28px; font-size: 0.87rem; }

.pq-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 30;
  background: var(--color-bg);
  padding: 16px 0 18px;
}

.pq-bar__inner {
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: var(--color-raise);
  border-radius: var(--radius);
  padding: 18px 20px;
}

.pq-bar p { margin: 0; font-size: 0.92rem; color: var(--color-muted); }

.pq-bar__btns { display: flex; gap: 10px; flex-wrap: wrap; }

.pq-bar__btns .pq-btn { flex: 1 1 auto; padding: 12px 20px; font-size: 0.94rem; }

.pq-bar__btns .pq-btn--ghost { background: var(--color-bg); }

.pq-404 { padding: 40px 0 90px; max-width: 58ch; }

@media (min-width: 700px) {
  .pq-panels { grid-template-columns: 1fr 1fr; gap: 18px; }
  .pq-bar__inner { flex-direction: row; align-items: center; justify-content: space-between; }
  .pq-bar__btns .pq-btn { flex: 0 0 auto; }
  .pq-foot__grid { grid-template-columns: 1.3fr 1fr 1fr; gap: 32px; }
  .pq-mail { padding: 38px 34px; }
}

@media (min-width: 940px) {
  .pq-hero { padding: 56px 0 0; }
  .pq-sec { padding: 96px 0 0; }
  .pq-foot { margin-top: 112px; }
}

.pq-app {
  background: var(--color-raise);
  border-radius: var(--radius);
  padding: 26px 24px;
}

.pq-app__meta { margin: 0 0 24px; display: grid; grid-template-columns: 1fr; gap: 16px 28px; }

.pq-app__meta > div { min-width: 0; }

.pq-app__meta dt {
  font-family: var(--font-mark);
  font-size: 0.71rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 4px;
}

.pq-app__meta dd { margin: 0; }

.pq-app__note { color: var(--color-muted); font-size: 0.92rem; margin: 16px 0 0; }

@media (min-width: 700px) {
  .pq-app { padding: 32px 32px 30px; }
  .pq-app__meta { grid-template-columns: 1fr 1fr; }
}

.pq-app__head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
}

.pq-app__head h3 { margin: 0; }

.pq-app__icon {
  display: block;
  flex: 0 0 auto;
  width: 56px;
  height: 56px;
  border-radius: 14px;
}

.pq-shots {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  margin: 0 0 10px;
  padding-bottom: 6px;
}

.pq-shots img {
  display: block;
  flex: 0 0 186px;
  width: 186px;
  height: auto;
  border-radius: 14px;
}

.pq-figure { margin: 22px 0 0; }

.pq-figure figcaption {
  font-size: 0.88rem;
  color: var(--color-muted);
  margin-top: 6px;
}

@media (min-width: 700px) {
  .pq-shots { overflow-x: visible; gap: 16px; }
  .pq-shots img { flex: 1 1 0; width: 100%; }
}