/* US Payment Handbook · /bonus diagrams page. Loads after /assets/site.css. */
.bonus-page main { display: block; }

.bonus-hero {
  width: var(--shell);
  margin: 0 auto;
  padding: clamp(120px, 16vw, 168px) 0 clamp(40px, 6vw, 64px);
}
.bonus-title {
  font-weight: 900;
  font-stretch: 88%;
  text-transform: uppercase;
  font-size: clamp(2.6rem, 8vw, 5.6rem);
  line-height: 0.95;
  max-width: 14ch;
  color: var(--navy);
}
.bonus-sub {
  margin: 24px 0 0;
  max-width: 58ch;
  font-size: clamp(1.05rem, 1.6vw, 1.2rem);
}
.bonus-actions {
  margin-top: 32px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 24px;
}
.bonus-secondary {
  font-family: var(--mono);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-decoration: none;
  border-bottom: 2px solid var(--orange);
  padding-bottom: 2px;
}
.bonus-secondary:hover { color: var(--blue); }
.bonus-credit {
  margin: 28px 0 0;
  padding: 14px 18px;
  max-width: 72ch;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--cream-hi);
  font-size: 1rem;
}
.bonus-credit span {
  font-family: var(--mono);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue);
  margin-right: 6px;
}

/* ---------- contents ---------- */
.bonus-toc {
  width: var(--shell);
  margin: 0 auto;
  padding: 32px 0 8px;
  border-top: 2px solid var(--navy);
  scroll-margin-top: 24px;
}
.toc-title {
  font-size: clamp(1.4rem, 2.6vw, 1.9rem);
  margin-bottom: 20px;
}
.toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}
.toc-list a {
  display: flex;
  gap: 12px;
  align-items: baseline;
  height: 100%;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--cream-hi);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.3;
  text-decoration: none;
  transition: border-color 140ms ease, transform 140ms ease;
}
.toc-list a:hover { border-color: var(--orange); transform: translateY(-2px); }
.toc-no {
  font-family: var(--mono);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--blue);
  flex-shrink: 0;
}

/* ---------- figures ---------- */
.bonus-figs {
  width: var(--shell);
  margin: 0 auto;
  padding: 24px 0 clamp(56px, 8vw, 96px);
}
.fig {
  padding: clamp(40px, 6vw, 72px) 0 0;
  scroll-margin-top: 8px;
}
.fig + .fig { border-top: 1px solid var(--line); margin-top: clamp(40px, 6vw, 72px); }
.fig-head { max-width: 760px; }
.fig-no {
  margin: 0 0 10px;
  font-family: var(--mono);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue);
}
.fig-part {
  margin-left: 10px;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--navy);
  color: var(--cream-hi);
  letter-spacing: 0.06em;
  white-space: nowrap;
}
.fig h2 { font-size: clamp(1.7rem, 3.6vw, 2.6rem); }
.fig-desc { margin: 14px 0 0; font-size: 1.08rem; max-width: 62ch; }
.fig-frame {
  margin: 28px 0 0;
  padding: clamp(10px, 2vw, 22px);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: 0 24px 50px -32px rgba(10, 30, 56, 0.45);
}
.fig-frame img { display: block; width: 100%; height: auto; }
.fig-actions {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  align-items: center;
}
.fig-download, .fig-top {
  font-family: var(--mono);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-decoration: none;
}
.fig-download {
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--navy);
  color: var(--cream-hi);
}
.fig-download:hover { background: var(--blue); }
.fig-top:hover { color: var(--blue); }

/* ---------- buy ---------- */
.bonus-buy { background: var(--navy-deep); color: var(--cream-hi); }
.bonus-buy-shell {
  width: var(--shell);
  margin: 0 auto;
  padding: clamp(56px, 8vw, 96px) 0;
  display: grid;
  grid-template-columns: minmax(0, 220px) minmax(0, 1fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
}
.bonus-cover { width: 100%; border-radius: 6px; box-shadow: 14px 14px 0 var(--orange); }
.bonus-buy h2 { color: var(--cream-hi); max-width: 18ch; }
.bonus-buy .buy-listen { margin: 16px 0 0; font-size: 1rem; }
.bonus-buy p { max-width: 50ch; color: rgba(246, 236, 210, 0.85); font-size: 1.08rem; margin: 18px 0 26px; }

@media (max-width: 860px) {
  .toc-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 560px) {
  .toc-list { grid-template-columns: minmax(0, 1fr); }
  .bonus-buy-shell { grid-template-columns: minmax(0, 1fr); }
  .bonus-cover { max-width: 180px; }
  .fig-part { display: inline-block; margin: 8px 0 0; }
}
@media print {
  .nav, .bonus-actions, .fig-actions, .bonus-buy, .footer-links { display: none; }
  .fig { break-inside: avoid; }
}