/* ============================================================
   Life Lessons & Lemonade — design tokens
   Palette:  paper #FBF6E8 · ink #221F1B · lemon #F3B62B
             leaf #5C7A3B · sky #2F5D8A · lemon-pale #FDECC0
   Type: Fraunces (display/serif) + Public Sans (body/UI)
   ============================================================ */

:root {
  --paper: #FBF6E8;
  --paper-dim: #F3ECD9;
  --ink: #221F1B;
  --ink-soft: #4A453D;
  --lemon: #F3B62B;
  --lemon-deep: #D99A12;
  --lemon-pale: #FDECC0;
  --leaf: #5C7A3B;
  --leaf-deep: #46602B;
  --sky: #2F5D8A;
  --sky-deep: #234669;
  --line: rgba(34, 31, 27, 0.14);

  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Public Sans", -apple-system, BlinkMacSystemFont, sans-serif;

  --max: 1120px;
  --radius: 4px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 28px;
}

.sr-only {
  position: absolute; width: 1px; height: 1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap;
}

.skip-link {
  position: absolute; left: -999px; top: 0;
  background: var(--ink); color: var(--paper); padding: 10px 16px;
  z-index: 200;
}
.skip-link:focus { left: 12px; top: 12px; }

a { color: var(--sky-deep); }
:focus-visible { outline: 3px solid var(--sky); outline-offset: 2px; }

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.08;
  margin: 0 0 0.4em;
  color: var(--ink);
}

h1 { font-size: clamp(2.4rem, 5vw, 3.6rem); font-weight: 700; }
h2 { font-size: clamp(1.7rem, 3.2vw, 2.4rem); }
h3 { font-size: 1.2rem; font-weight: 600; }

p { margin: 0 0 1em; }
.lede { font-size: 1.15rem; color: var(--ink-soft); }

.eyebrow {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.02em;
  color: var(--leaf-deep);
  margin: 0 0 0.6em;
}

.amp { color: var(--lemon-deep); font-style: italic; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(251, 246, 232, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  text-decoration: none; color: var(--ink);
}
.brand-mark { font-size: 1.4rem; }
.brand-text {
  font-family: var(--font-display); font-weight: 600;
  font-size: 1.15rem;
}
.brand-text em { font-style: italic; color: var(--lemon-deep); }

.site-nav {
  display: flex; align-items: center; gap: 26px;
}
.site-nav a {
  color: var(--ink); text-decoration: none;
  font-size: 0.95rem; font-weight: 500;
}
.site-nav a:hover { color: var(--leaf-deep); }
.nav-cta {
  background: var(--ink); color: var(--paper) !important;
  padding: 9px 16px; border-radius: var(--radius);
}
.nav-cta:hover { background: var(--leaf-deep); }

.nav-toggle {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: 0; padding: 8px; cursor: pointer;
}
.nav-toggle span { width: 24px; height: 2px; background: var(--ink); display: block; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  font-family: var(--font-body); font-weight: 700; font-size: 0.98rem;
  padding: 13px 24px;
  border-radius: var(--radius);
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
}
.btn-primary {
  background: var(--lemon); color: var(--ink);
  border-color: var(--lemon);
}
.btn-primary:hover { background: var(--lemon-deep); border-color: var(--lemon-deep); }
.btn-ghost {
  background: transparent; color: var(--ink);
  border-color: var(--ink);
}
.btn-ghost:hover { background: var(--ink); color: var(--paper); }
.cta-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 1.6em; }

/* ---------- Book-spread layout ---------- */
.spread { padding: 88px 0; overflow: hidden; }
.spread-inner {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 0;
  align-items: center;
  position: relative;
}
.spread-inner::before {
  content: "";
  position: absolute;
  left: 50%; top: -20px; bottom: -20px;
  width: 1px;
  background: linear-gradient(to bottom, transparent, var(--line) 15%, var(--line) 85%, transparent);
}
.spread-inner.reverse { direction: rtl; }
.spread-inner.reverse > * { direction: ltr; }
.spread-page.page-image { padding-right: 56px; }
.spread-inner.reverse .page-image { padding-right: 0; padding-left: 56px; }
.spread-page.page-text { padding-left: 56px; }
.spread-inner.reverse .page-text { padding-left: 0; padding-right: 56px; }

.page-image img {
  border-radius: 2px;
  box-shadow: 0 18px 40px -22px rgba(34,31,27,0.35);
}
.page-image-frame img { background: #fff; padding: 18px; border: 1px solid var(--line); }

.byline { font-size: 0.92rem; color: var(--ink-soft); font-style: italic; }

/* ---------- Sections ---------- */
.section { padding: 88px 0; }
.section-alt { background: var(--paper-dim); }

.book-grid {
  display: grid; grid-template-columns: 1.1fr 1fr; gap: 56px; align-items: start;
  margin-top: 36px;
}
.book-copy p:last-child { margin-bottom: 0; }
.book-frames {
  display: grid; grid-template-columns: 1fr 1fr; gap: 18px;
}
.book-frames figure { margin: 0; text-align: center; }
.book-frames img {
  background: #fff; border: 1px solid var(--line); border-radius: 3px;
  padding: 10px;
}
.book-frames figcaption {
  margin-top: 8px; font-size: 0.85rem; color: var(--ink-soft);
}

/* ---------- Lessons ---------- */
.lessons-list {
  list-style: none; margin: 40px 0 0; padding: 0;
  display: grid; gap: 0;
}
.lessons-list li {
  display: grid; grid-template-columns: 64px 1fr; gap: 24px;
  padding: 26px 0; border-top: 1px solid var(--line);
}
.lessons-list li:last-child { border-bottom: 1px solid var(--line); }
.lesson-num {
  font-family: var(--font-display); font-weight: 700; font-size: 2rem;
  color: var(--lemon-deep);
}
.lessons-list h3 { margin-bottom: 0.3em; }
.lessons-list p { margin-bottom: 0; color: var(--ink-soft); max-width: 62ch; }

/* ---------- Author ---------- */
.author-grid {
  display: grid; grid-template-columns: 0.8fr 1.4fr; gap: 56px; align-items: center;
}
.author-photo img {
  border-radius: 3px;
  border: 6px solid #fff;
  box-shadow: 0 18px 40px -22px rgba(34,31,27,0.4);
}
.author-copy p:last-child { margin-bottom: 0; }

/* ---------- Reviews ---------- */
.reviews-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 36px;
}
.review {
  margin: 0; padding: 26px 24px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 4px solid var(--lemon);
  border-radius: 3px;
}
.section-alt .review { background: #fff; }
.review p {
  margin: 0 0 14px; font-family: var(--font-display); font-style: italic;
  font-size: 1.02rem; color: var(--ink);
}
.review cite { font-size: 0.85rem; color: var(--ink-soft); font-style: normal; }

/* ---------- Buy ---------- */
.buy-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 36px; }
.buy-card {
  padding: 32px; background: var(--paper-dim);
  border: 1px solid var(--line); border-radius: 4px;
}
.buy-card h3 { color: var(--sky-deep); }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.contact-copy p:last-child { margin-bottom: 0; }
.contact-form { display: grid; gap: 6px; }
.contact-form label { font-weight: 600; font-size: 0.9rem; margin-top: 12px; }
.contact-form input, .contact-form textarea {
  font-family: var(--font-body); font-size: 1rem;
  padding: 11px 12px; border: 1px solid var(--line); border-radius: 3px;
  background: #fff; color: var(--ink);
}
.contact-form button { margin-top: 18px; justify-self: start; }
.hidden-field { position: absolute; left: -9999px; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); padding: 32px 0; }
.footer-inner {
  display: flex; flex-wrap: wrap; gap: 16px;
  align-items: center; justify-content: space-between;
  font-size: 0.88rem; color: var(--ink-soft);
}
.footer-links { display: flex; gap: 18px; }
.footer-links a { color: var(--ink-soft); text-decoration: none; }
.footer-links a:hover { color: var(--ink); }

/* ---------- Motion (reduced) ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .spread-inner, .book-grid, .author-grid, .contact-grid {
    grid-template-columns: 1fr; gap: 32px;
  }
  .spread-inner::before { display: none; }
  .spread-page.page-image, .spread-inner.reverse .page-image { padding: 0; }
  .spread-page.page-text, .spread-inner.reverse .page-text { padding: 0; }
  .spread-inner.reverse { direction: ltr; }
  .spread-inner.reverse .page-image { order: -1; }
  .reviews-grid { grid-template-columns: 1fr 1fr; }
  .buy-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .site-nav {
    position: absolute; top: 72px; left: 0; right: 0;
    background: var(--paper); border-bottom: 1px solid var(--line);
    flex-direction: column; align-items: flex-start; gap: 0;
    padding: 8px 28px 20px; display: none;
  }
  .site-nav.open { display: flex; }
  .site-nav a { width: 100%; padding: 12px 0; border-bottom: 1px solid var(--line); }
  .nav-cta { margin-top: 10px; text-align: center; }
  .nav-toggle { display: flex; }
  .book-frames, .reviews-grid { grid-template-columns: 1fr 1fr; }
  .spread, .section { padding: 56px 0; }
}