:root {
  --color-bg: #ffffff;
  --color-raise: #f6f5f0;
  --color-text: #17181c;
  --color-muted: #5c5644;
  --color-accent: #7a5c12;
  --color-accent-deep: #61490d;
  --color-border: #e5e1d6;
  --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: 1020px;
  --radius: 14px;
}

*, *::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: 17.5px;
  line-height: 1.72;
}

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); margin: 0 0 16px; }

p { margin: 0 0 17px; }

ul, ol { margin: 0 0 19px; padding-left: 22px; }

li { margin-bottom: 10px; }

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

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

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

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

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

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

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

.bp-table__scroll { overflow-x: auto; margin: 0 0 12px; }

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

caption {
  text-align: left;
  font-size: 0.94rem;
  color: var(--color-muted);
  padding-bottom: 13px;
}

th, td {
  text-align: left;
  padding: 13px 17px 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.bp-num {
  text-align: right;
  font-variant-numeric: tabular-nums;
  padding-right: 17px;
}

.bp-source {
  font-style: italic;
  font-size: 0.9rem;
  color: var(--color-muted);
  margin: 0;
}

.bp-mail__addr {
  font-family: var(--font-mark);
  font-size: clamp(1.05rem, 4.4vw, 1.6rem);
  display: inline-block;
  margin: 5px 0 14px;
  word-break: break-all;
}

.bp-mail__note { color: var(--color-muted); max-width: 58ch; margin-bottom: 22px; }

.bp-prose { max-width: 70ch; }

.bp-prose h2 { margin-top: 40px; }

.bp-prose h3 { margin-top: 27px; }

.bp-updated {
  font-family: var(--font-mark);
  font-size: 0.83rem;
  color: var(--color-muted);
  margin-bottom: 29px;
}

.bp-app__meta { margin: 0 0 22px; }

.bp-app__meta dt {
  font-family: var(--font-mark);
  font-size: 0.72rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 4px;
}

.bp-app__meta dd { margin: 0; }

.bp-app__note { color: var(--color-muted); font-size: 0.92rem; margin: 15px 0 0; max-width: 64ch; }

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

.bp-app__head h3 { margin: 0; }

.bp-app__icon { display: block; flex: 0 0 auto; width: 56px; height: 56px; border-radius: var(--radius); }

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

.bp-shots img { display: block; flex: 0 0 186px; width: 186px; height: auto; border-radius: var(--radius); }

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

.bp-figure figcaption { font-size: 0.88rem; color: var(--color-muted); margin-top: 7px; }

.bp-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 30;
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
  padding: 15px 0;
}

.bp-bar__inner { display: flex; flex-direction: column; gap: 13px; }

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

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

.bp-bar__btns .bp-btn { flex: 1 1 auto; padding: 12px 19px; }

.bp-404 { padding: 48px 0 90px; max-width: 58ch; }

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

.bp-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;
}

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

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

.bp-foot__legal { margin-top: 27px; font-size: 0.87rem; }

@media (min-width: 700px) {
  .bp-shots { overflow-x: visible; gap: 15px; }
  .bp-shots img { flex: 1 1 0; width: 100%; }
  .bp-bar__inner { flex-direction: row; align-items: center; justify-content: space-between; }
  .bp-bar__btns .bp-btn { flex: 0 0 auto; }
  .bp-foot__grid { grid-template-columns: 1.3fr 1fr 1fr; gap: 32px; }
}

.bp-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 14px 27px;
  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;
}

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

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

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

h1 { font-size: clamp(2.1rem, 6vw, 3.2rem); font-weight: 600; line-height: 1.22; letter-spacing: -0.015em; }
h2 { font-size: clamp(1.45rem, 3.6vw, 2rem); font-weight: 600; line-height: 1.22; letter-spacing: -0.01em; }
h3 { font-size: 1.1rem; font-weight: 600; line-height: 1.32; }

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

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

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

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

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

.bp-nav li { margin: 0; }

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

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

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

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

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

.bp-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; }

.bp-sec { padding: 58px 0 0; }

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

.bp-panels { display: grid; grid-template-columns: 1fr; gap: 18px; }

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

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

.bp-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; }

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

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

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

.bp-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); }

.bp-steps b { display: block; }

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

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

.bp-answer { font-size: clamp(1.12rem, 3vw, 1.38rem); line-height: 1.5; max-width: 48ch; margin: 0 0 20px; }

.bp-qa h3 { margin-top: 28px; }

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

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

.bp-app__meta { display: grid; grid-template-columns: 1fr; gap: 15px 28px; }

.bp-bar { border-top: 0; padding: 16px 0 18px; }

.bp-bar__inner { background: var(--color-raise); border-radius: var(--radius); padding: 18px 20px; }

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

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

@media (min-width: 700px) {
  .bp-panels { grid-template-columns: 1fr 1fr; }
  .bp-app__meta { grid-template-columns: 1fr 1fr; }
  .bp-mail, .bp-app { padding: 36px 32px; }
}

@media (min-width: 940px) {
  .bp-hero { padding: 54px 0 0; }
  .bp-foot { margin-top: 108px; }
}

.bp-panel {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
}

.bp-mail { background: var(--color-bg); border: 1px solid var(--color-border); }

.bp-app { background: var(--color-bg); border: 1px solid var(--color-border); }

.bp-foot { background: var(--color-bg); border-top: 1px solid var(--color-border); }

.bp-bar__inner { background: var(--color-bg); border: 1px solid var(--color-border); }