/* ---------------------------------------------------------------
   Design tokens — Wildlife field-guide theme
   Palette: parchment paper + deep forest ink + amber accent + moss
   Type: Fraunces (display serif) / Inter (body) / IBM Plex Mono (data)
----------------------------------------------------------------*/
:root {
  --paper: #f1ede0;
  --paper-raised: #fbf9f2;
  --ink: #1c2b1f;
  --ink-soft: #52604f;
  --line: #cdc4a8;
  --amber: #b5651d;
  --amber-dark: #8f4e15;
  --forest: #2f4d3a;
  --forest-dark: #1f3a2d;
  --stamp: #6b3f1d;
  --radius: 4px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

h1, h2, h3, .display {
  font-family: "Fraunces", Georgia, "Times New Roman", serif;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--forest-dark);
  margin: 0;
}

.mono, .price, .cat-no, .order-id {
  font-family: "IBM Plex Mono", "Courier New", monospace;
}

a { color: var(--amber-dark); }

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

.icon {
  display: inline-block;
  width: 1em;
  height: 1em;
  vertical-align: -0.15em;
}

/* ---------------- Layout shell ---------------- */
.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--paper-raised);
}
.site-header .wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 20px 24px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}
.site-header .brand {
  font-family: "Fraunces", serif;
  font-size: 22px;
  font-weight: 600;
  text-decoration: none;
  color: var(--forest-dark);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.site-header .brand svg { width: 22px; height: 22px; color: var(--amber); }
.site-header nav a {
  margin-left: 20px;
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 14px;
}
.site-header nav a:hover { color: var(--amber-dark); }

main.wrap, .wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

.site-footer {
  border-top: 1px solid var(--line);
  margin-top: 80px;
  padding: 32px 24px 44px;
  font-size: 13px;
  color: var(--ink-soft);
  background: var(--forest-dark);
}
.site-footer .wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-align: center;
}
.site-footer, .site-footer p { color: #d7dccb; }
.site-footer nav a {
  color: #d7dccb;
  text-decoration: none;
  margin: 0 10px;
  font-size: 13px;
}
.site-footer nav a:hover { color: #fff; text-decoration: underline; }
.site-footer .fine-print { color: #9fab8f; font-size: 12px; max-width: 60ch; }

/* ---------------- Hero ---------------- */
.hero {
  padding: 64px 0 40px;
  border-bottom: 1px dashed var(--line);
  position: relative;
}
.hero .eyebrow {
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--amber-dark);
  margin-bottom: 12px;
}
.hero h1 {
  font-size: clamp(32px, 5vw, 52px);
  max-width: 18ch;
}
.hero p {
  max-width: 56ch;
  color: var(--ink-soft);
  font-size: 17px;
  margin-top: 16px;
}

/* ---------------- Catalogue grid (signature element) ---------------- */
.catalogue {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 20px;
  padding: 40px 0 60px;
}

.card {
  position: relative;
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 18px 16px;
  text-decoration: none;
  color: var(--ink);
  display: flex;
  flex-direction: column;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 24px rgba(31, 58, 45, 0.14);
}
.card::before {
  content: "";
  position: absolute;
  top: 12px;
  left: 12px;
  width: 14px;
  height: 14px;
  background: var(--forest);
  opacity: 0.5;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M17 8C8 10 5.9 16.17 3.82 21.34l1.89.66.95-2.3c.48.17 1 .3 1.34.3C19 20 22 3 22 3c-1 2-8 2.25-13 3.25S2 11.5 2 13.5c0 1.29.65 2.44 1.65 3.22C6.31 12.53 10 10 17 8z'/%3E%3C/svg%3E") no-repeat center / contain;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M17 8C8 10 5.9 16.17 3.82 21.34l1.89.66.95-2.3c.48.17 1 .3 1.34.3C19 20 22 3 22 3c-1 2-8 2.25-13 3.25S2 11.5 2 13.5c0 1.29.65 2.44 1.65 3.22C6.31 12.53 10 10 17 8z'/%3E%3C/svg%3E") no-repeat center / contain;
}
.card .cat-no {
  align-self: flex-end;
  font-size: 11px;
  color: var(--ink-soft);
  margin-bottom: 8px;
}
.card .cover {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: 2px;
  margin-bottom: 12px;
  background: var(--paper);
}
.card .cover.placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "Fraunces", serif;
  font-size: 13px;
  color: var(--ink-soft);
  text-align: center;
  padding: 12px;
}
.card h3 { font-size: 18px; line-height: 1.25; }
.card .author { font-size: 13px; color: var(--ink-soft); margin-top: 4px; }
.card .price { margin-top: auto; padding-top: 14px; font-size: 15px; font-weight: 600; color: var(--amber-dark); }

/* ---------------- Book detail ---------------- */
.book-detail {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 48px;
  padding: 48px 0 64px;
}
@media (max-width: 720px) {
  .book-detail { grid-template-columns: 1fr; }
}
.book-detail .cover {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 2px;
}
.book-detail .price-tag {
  display: inline-block;
  border: 1px solid var(--forest);
  color: var(--forest-dark);
  border-radius: 20px;
  padding: 6px 16px;
  font-size: 15px;
  margin: 16px 0 24px;
}
.book-detail .meta { font-size: 13px; color: var(--ink-soft); margin-top: 8px; }
.book-detail .description { margin-top: 20px; font-size: 16px; max-width: 60ch; }

.btn {
  display: inline-block;
  background: var(--amber);
  color: #fff;
  border: none;
  padding: 12px 26px;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.15s ease;
}
.btn:hover { background: var(--amber-dark); }
.btn:disabled { background: var(--line); cursor: not-allowed; }
.btn.secondary {
  background: transparent;
  color: var(--forest-dark);
  border: 1px solid var(--forest);
}
.btn.secondary:hover { background: var(--forest); color: #fff; }

/* ---------------- Checkout ---------------- */
.checkout-box {
  max-width: 480px;
  margin: 48px auto;
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
}
.checkout-box .line-item {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 15px;
}
.checkout-box label { display: block; font-size: 13px; margin: 18px 0 6px; color: var(--ink-soft); }
.checkout-box input[type="email"] {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 15px;
  font-family: inherit;
}
.terms-check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 20px 0;
  font-size: 13px;
  color: var(--ink-soft);
}
.terms-check input { margin-top: 3px; }
.terms-check a { color: var(--amber-dark); }

/* ---------------- Purchase stamp ---------------- */
.stamp-wrap { text-align: center; padding: 40px 0; }
.stamp {
  display: inline-block;
  border: 3px solid var(--stamp);
  color: var(--stamp);
  border-radius: 6px;
  padding: 14px 28px;
  font-family: "IBM Plex Mono", monospace;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-size: 15px;
  transform: rotate(-4deg);
}

/* ---------------- Forms (admin) ---------------- */
.form-grid { display: grid; gap: 14px; max-width: 520px; }
.form-grid label { font-size: 13px; color: var(--ink-soft); }
.form-grid input[type="text"],
.form-grid input[type="number"],
.form-grid input[type="password"],
.form-grid textarea,
.form-grid select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 14px;
}
.form-grid textarea { resize: vertical; min-height: 100px; }

table.admin-table { width: 100%; border-collapse: collapse; margin-top: 24px; font-size: 14px; }
table.admin-table th, table.admin-table td {
  text-align: left;
  padding: 10px 8px;
  border-bottom: 1px solid var(--line);
}
table.admin-table th { color: var(--ink-soft); font-weight: 600; font-size: 12px; text-transform: uppercase; }

.pill {
  display: inline-block;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 10px;
  background: var(--paper);
  border: 1px solid var(--line);
}
.pill.paid { color: var(--forest); border-color: var(--forest); }

.message { padding: 10px 14px; border-radius: var(--radius); font-size: 14px; margin: 12px 0; }
.message.error { background: #fbe9e6; color: var(--amber-dark); border: 1px solid var(--amber); }
.message.ok { background: #e6ede2; color: var(--forest-dark); border: 1px solid var(--forest); }

/* ---------------- Long-form pages: terms / privacy / about / contact ---------------- */
.doc-page { padding: 48px 0 64px; max-width: 68ch; }
.doc-page h1 { margin-bottom: 8px; }
.doc-page .updated { color: var(--ink-soft); font-size: 13px; margin-bottom: 32px; }
.doc-page h2 { margin-top: 32px; font-size: 20px; }
.doc-page p, .doc-page li { color: var(--ink-soft); font-size: 15px; }
.doc-page address { font-style: normal; color: var(--ink-soft); font-size: 15px; line-height: 1.7; }

/* ---------------- About page ---------------- */
.about-hero { padding: 48px 0 16px; max-width: 70ch; }
.about-hero p { color: var(--ink-soft); font-size: 17px; }
.value-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  padding: 32px 0 64px;
}
.value-grid .value {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
}
.value-grid .value h3 { font-size: 16px; margin-bottom: 8px; }
.value-grid .value p { font-size: 14px; color: var(--ink-soft); margin: 0; }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}