:root {
  --ink: #29332f;
  --muted: #67726b;
  --line: #d7ddd7;
  --closed: #edf0ea;
  --open: #dbe4d8;
  --link: #52685d;
  --page-width: 1040px;
}

* { box-sizing: border-box; }

html { background: #fff; }

body {
  margin: 0;
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

a { color: var(--link); text-underline-offset: 0.18em; }
a:hover { color: var(--ink); }

.page {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  gap: clamp(2.5rem, 8vw, 8rem);
  width: min(var(--page-width), calc(100% - 3rem));
  min-height: calc(100vh - 88px);
  margin: 0 auto;
  padding: clamp(2.5rem, 8vw, 6.5rem) 0 4rem;
}

.book-rail { align-self: start; }
.cover-link { display: block; width: 100%; }
.cover-link img { display: block; width: 100%; height: auto; box-shadow: 0 8px 20px rgba(25, 38, 31, 0.14); }

.order-link {
  display: inline-block;
  margin-top: 1.25rem;
  font-size: 0.9rem;
  font-weight: 700;
}

main { padding-top: 0.5rem; }
.intro { max-width: 720px; padding-bottom: clamp(2.5rem, 6vw, 3.7rem); border-bottom: 1px solid var(--line); }
.eyebrow { margin: 0 0 0.65rem; color: var(--muted); font-size: 0.78rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; }
h1, h2 { font-family: Georgia, "Times New Roman", serif; font-weight: 400; }
h1 { margin: 0; font-size: clamp(2.6rem, 6vw, 4.6rem); line-height: 1.04; letter-spacing: -0.04em; }
.lead { max-width: 590px; margin: 1.35rem 0 0; color: var(--muted); font-size: clamp(1rem, 2vw, 1.2rem); }

.accordion { max-width: 760px; margin-top: clamp(2.5rem, 6vw, 4.5rem); }
details { margin: 0; border-top: 1px solid var(--line); background: var(--closed); }
details:last-child { border-bottom: 1px solid var(--line); }
details[open] { background: var(--open); }
summary {
  display: flex;
  align-items: center;
  gap: 1rem;
  min-height: 68px;
  padding: 1rem 1.25rem;
  cursor: pointer;
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  font-weight: 700;
  list-style: none;
}
summary::-webkit-details-marker { display: none; }
summary::before { content: ""; width: 0; height: 0; border-top: 7px solid transparent; border-bottom: 7px solid transparent; border-left: 10px solid currentColor; transition: transform 160ms ease; }
details[open] summary::before { transform: rotate(90deg); }
.accordion-content { max-width: 620px; padding: 0 1.25rem 1.5rem 3.45rem; color: #3e4943; }
.accordion-content p { margin: 0 0 0.8rem; }
.accordion-content p:last-child { margin-bottom: 0; }

footer {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  width: min(var(--page-width), calc(100% - 3rem));
  margin: 0 auto;
  padding: 1.5rem 0 2rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.82rem;
}
footer nav { display: flex; gap: 1rem; }

.legal-page { min-height: 100vh; }
.legal-content { width: min(700px, calc(100% - 3rem)); margin: 0 auto; padding: clamp(3rem, 10vw, 7rem) 0; }
.legal-content h1 { margin: 1.75rem 0 3rem; }
.legal-content h2 { margin: 2.5rem 0 0.5rem; font-size: 1.4rem; }
.legal-content p { margin: 0; }
.back-link { font-size: 0.9rem; font-weight: 700; }

@media (max-width: 700px) {
  .page { display: block; width: min(100% - 2.5rem, 540px); padding-top: 2.5rem; }
  .book-rail { margin-bottom: 3.5rem; }
  .cover-link { width: calc(100% + 2.5rem); margin-left: -1.25rem; }
  .order-link { margin-top: 1.25rem; }
  main { padding-top: 0; }
  summary { min-height: 62px; padding: 0.85rem 1rem; }
  .accordion-content { padding: 0 1rem 1.25rem 2.9rem; }
  footer { width: min(100% - 2.5rem, 540px); flex-direction: column; gap: 0.5rem; }
}

@media (prefers-reduced-motion: reduce) {
  summary::before { transition: none; }
}