:root {
  --color-bg: #ffffff;
  --color-raise: #f4f5f6;
  --color-text: #16181d;
  --color-muted: #5c6270;
  --color-accent: #a3282f;
  --color-accent-deep: #7e1f24;
  --color-border: #d8dade;
  --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: 1200px;
  --radius: 0px;
}

*,
*::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: 1.6;
}

h1, h2, h3 {
  font-family: var(--font-head);
  font-weight: 700;
  line-height: 1.08;
  margin: 0 0 0.5em;
}

h1 {
  font-size: clamp(2.2rem, 7vw, 3.6rem);
  letter-spacing: -0.035em;
}

h2 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  letter-spacing: -0.03em;
}

h3 {
  font-size: 1.15rem;
  letter-spacing: -0.015em;
}

p { margin: 0 0 1.1em; }

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

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

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

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

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

.bd-skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-accent);
  color: #ffffff;
  padding: 10px 16px;
  z-index: 20;
}

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

.bd-mark {
  font-family: var(--font-mark);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.bd-header { padding: 20px 0 18px; }

.bd-header__brand {
  display: block;
  text-decoration: none;
  color: var(--color-text);
}

.bd-header__title {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.bd-header__tag { display: block; margin-top: 4px; }

.bd-nav { margin-top: 14px; }

.bd-nav__list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0 18px;
  margin: 0;
  padding: 0;
}

.bd-nav__link {
  display: inline-block;
  padding: 11px 0;
  min-height: 44px;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  text-decoration: none;
}

.bd-nav__link:hover { color: var(--color-accent); }

.bd-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  position: relative;
  padding: 12px 0;
  min-height: 44px;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-accent);
  text-decoration: none;
  background: none;
  border: 0;
  font-family: var(--font-body);
  cursor: pointer;
  transition: color 140ms ease;
}

.bd-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 8px;
  height: 2px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 140ms ease;
}

.bd-link:hover { color: var(--color-accent-deep); }

.bd-link:hover::after { transform: scaleX(1); }

.bd-link__arrow { transition: transform 140ms ease; }

.bd-link:hover .bd-link__arrow { transform: translateX(4px); }

.bd-link--quiet { color: var(--color-muted); }

.bd-link--quiet::after { background: var(--color-muted); }

.bd-link--quiet:hover { color: var(--color-text); }

.bd-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0 28px;
}

.bd-hero {
  padding: 26px 0 40px;
  border-top: 1px solid var(--color-text);
}

.bd-hero__row { padding-top: 26px; }

.bd-hero__title { max-width: 15ch; margin-bottom: 18px; }

.bd-sec { padding: 46px 0; }

.bd-sec--rule { border-top: 1px solid var(--color-border); }

.bd-sec__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.bd-sec__aside { min-width: 0; }

.bd-sec__num {
  font-family: var(--font-mark);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  display: block;
}

.bd-sec__label { display: block; margin-top: 6px; }

.bd-sec__body { min-width: 0; }

.bd-sec__body > h2 { margin-top: -0.12em; }

.bd-lede { font-size: 1.06rem; max-width: 68ch; }

.bd-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
}

.bd-item {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 14px 16px;
  padding: 22px 0;
  border-top: 1px solid var(--color-border);
}

.bd-item:first-child { border-top: 0; padding-top: 2px; }

.bd-item__icon { width: 56px; height: 56px; display: block; }

.bd-item__body { min-width: 0; }

.bd-item__name { margin: 0 0 3px; }

.bd-item__dev { margin: 0 0 10px; }

.bd-item__fine { margin: 8px 0 0; font-size: 14px; color: var(--color-muted); }

.bd-dl { margin: 0; padding: 0; }

.bd-dl dt {
  font-family: var(--font-mark);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-muted);
  padding-top: 12px;
  border-top: 1px solid var(--color-border);
}

.bd-dl dt:first-child { border-top: 0; padding-top: 0; }

.bd-dl dd { margin: 4px 0 12px; font-size: 16px; }

.bd-table__scroll { overflow-x: auto; margin-top: 22px; }

table {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
  font-size: 15px;
}

caption {
  text-align: left;
  font-size: 1.05rem;
  font-weight: 600;
  padding-bottom: 12px;
}

th, td {
  text-align: left;
  vertical-align: top;
  padding: 12px 16px 12px 0;
  border-bottom: 1px solid var(--color-border);
}

thead th {
  font-family: var(--font-mark);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-muted);
  border-bottom: 1px solid var(--color-text);
}

tbody th { font-weight: 600; }

td.bd-num {
  text-align: right;
  padding-right: 0;
  font-variant-numeric: tabular-nums;
  font-family: var(--font-mark);
}

.bd-note {
  margin-top: 12px;
  font-size: 14px;
  font-style: italic;
  color: var(--color-muted);
}

.bd-buy {
  padding: 24px 0;
  border-top: 1px solid var(--color-border);
}

.bd-buy:first-of-type { border-top: 0; padding-top: 4px; }

.bd-buy__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 18px;
}

.bd-buy__price {
  font-family: var(--font-mark);
  font-size: 15px;
  font-weight: 600;
  color: var(--color-accent);
  white-space: nowrap;
}

.bd-buy__text { margin: 10px 0 16px; max-width: 66ch; }

.bd-terms {
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid var(--color-text);
  max-width: 70ch;
}

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

.bd-feed { list-style: none; margin: 22px 0 0; padding: 0; }

.bd-feed__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 18px 0;
  border-top: 1px solid var(--color-border);
}

.bd-feed__item:first-child { border-top: 0; }

.bd-feed__title { margin: 0; font-size: 1.15rem; }

.bd-feed__title a { text-decoration: none; }

.bd-feed__title a:hover { text-decoration: underline; }

.bd-feed__sum { margin: 6px 0 0; font-size: 15px; color: var(--color-muted); }

.bd-faq details { border-top: 1px solid var(--color-border); }

.bd-faq summary {
  cursor: pointer;
  padding: 14px 0;
  min-height: 44px;
  font-weight: 600;
}

.bd-faq p { margin: 0 0 14px; max-width: 68ch; }

.bd-mail {
  display: inline-block;
  font-size: clamp(1.25rem, 4.6vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  word-break: break-word;
  min-height: 44px;
}

.bd-mail__note { margin: 10px 0 0; color: var(--color-muted); font-size: 15px; }

.bd-article { padding: 30px 0 10px; }

.bd-article__body { max-width: 70ch; }

.bd-article__body h2 {
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  margin-top: 1.5em;
}

.bd-article__body ul,
.bd-article__body ol { padding-left: 20px; }

.bd-article__body li { margin-bottom: 8px; }

.bd-figure { margin: 26px 0; max-width: 540px; }

.bd-figure img { display: block; }

.bd-figure figcaption {
  font-family: var(--font-mark);
  font-size: 12px;
  line-height: 1.5;
  color: var(--color-muted);
  margin-top: 8px;
}

.bd-legal { max-width: 70ch; padding: 30px 0 10px; }

.bd-legal h2 { font-size: clamp(1.3rem, 2.8vw, 1.7rem); margin-top: 1.5em; }

.bd-legal ul { padding-left: 20px; }

.bd-legal li { margin-bottom: 8px; }

.bd-footer {
  border-top: 1px solid var(--color-text);
  margin-top: 44px;
  padding: 26px 0 40px;
}

.bd-footer__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
}

.bd-footer__name { margin: 0 0 6px; font-weight: 700; letter-spacing: -0.02em; }

.bd-footer__text {
  margin: 0 0 8px;
  font-size: 14px;
  color: var(--color-muted);
  max-width: 54ch;
}

.bd-footer__list { list-style: none; margin: 0; padding: 0; }

.bd-footer__list a {
  display: inline-block;
  padding: 9px 0;
  min-height: 44px;
  font-size: 15px;
  text-decoration: none;
}

.bd-footer__list a:hover { text-decoration: underline; }

.bd-footer__bottom {
  margin-top: 22px;
  padding-top: 14px;
  border-top: 1px solid var(--color-border);
}

.bd-cookie {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg);
  border-top: 1px solid var(--color-text);
  padding: 14px 0;
  z-index: 30;
}

.bd-cookie[hidden] { display: none; }

.bd-cookie__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  align-items: center;
}

.bd-cookie__text { margin: 0; font-size: 14px; }

.bd-404 { padding: 50px 0 20px; }

@media (min-width: 760px) {
  .bd-header { padding: 24px 0 20px; }
  .bd-nav__list { justify-content: flex-end; gap: 0 26px; }
  .bd-hero__row {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 40px;
  }
  .bd-hero__title { margin-bottom: 0; }
  .bd-sec { padding: 60px 0; }
  .bd-sec__grid {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 40px;
  }
  .bd-item {
    grid-template-columns: 72px minmax(0, 1fr) auto;
    align-items: start;
    gap: 24px;
  }
  .bd-item__icon { width: 72px; height: 72px; }
  .bd-dl {
    display: grid;
    grid-template-columns: 180px minmax(0, 1fr);
    column-gap: 24px;
    max-width: 62ch;
  }
  .bd-dl dt { padding-top: 12px; }
  .bd-dl dd { margin: 0; padding-top: 12px; border-top: 1px solid var(--color-border); }
  .bd-dl dt:first-child,
  .bd-dl dt:first-child + dd { border-top: 0; padding-top: 0; }
  .bd-feed__item {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: baseline;
    gap: 24px;
  }
  .bd-feed__sum { grid-column: 1 / -1; }
  .bd-footer__grid { grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr) minmax(0, 1fr); }
  .bd-cookie__inner { grid-template-columns: minmax(0, 1fr) auto; gap: 24px; }
  .bd-cookie .bd-links { flex-wrap: nowrap; }
}