:root {
  --espresso: #24120f;
  --cocoa: #3a221d;
  --copper: #c98563;
  --cream: #f6efe7;
  --paper: #fffaf4;
  --ink: #1f2428;
  --muted: #6e625c;
  --teal: #167b82;
  --teal-dark: #0d555b;
  --line: rgba(54, 31, 25, .14);
  --shadow: 0 26px 70px rgba(36, 18, 15, .14);
  --gutter: clamp(18px, 4vw, 56px);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; }
.container { width: min(1180px, calc(100% - (2 * var(--gutter)))); margin-inline: auto; }
.skip-link { position: fixed; top: -80px; left: 16px; z-index: 10; padding: 10px 16px; color: #fff; background: var(--teal-dark); border-radius: 9px; }
.skip-link:focus { top: 12px; }
.site-header { position: sticky; top: 0; z-index: 5; background: rgba(255, 250, 244, .94); border-bottom: 1px solid var(--line); backdrop-filter: blur(14px); }
.nav { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; font-weight: 850; letter-spacing: .03em; }
.brand img { width: 54px; height: 50px; object-fit: contain; }
.nav-links { display: flex; flex-wrap: wrap; gap: 24px; font-size: .92rem; font-weight: 750; }
.nav-links a { text-decoration: none; }
.nav-links a:hover, .nav-links a:focus-visible { color: var(--teal-dark); }
.eyebrow { margin: 0 0 12px; color: var(--copper); font-size: .76rem; font-weight: 850; letter-spacing: .2em; text-transform: uppercase; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.08; letter-spacing: -.025em; }
h1 { margin-bottom: 24px; font-size: clamp(2.9rem, 7vw, 6rem); }
h2 { margin-bottom: 18px; font-size: clamp(2rem, 4vw, 3.5rem); }
h3 { margin-bottom: 10px; font-size: clamp(1.55rem, 2.4vw, 2.1rem); }
.tm { position: relative; top: -.42em; font-size: .5em; line-height: 0; vertical-align: baseline; letter-spacing: 0; }
.lead { max-width: 780px; color: var(--muted); font-size: clamp(1.08rem, 2vw, 1.3rem); }
.book-hook { max-width: 820px; margin-bottom: 18px; color: var(--espresso); font-size: clamp(1.35rem, 2.4vw, 1.85rem); font-weight: 800; line-height: 1.35; }
.hero { padding: clamp(80px, 11vw, 140px) 0; color: #fff; background: radial-gradient(circle at 84% 12%, rgba(201,133,99,.35), transparent 30%), linear-gradient(135deg, #1d0f0d, #503128 63%, #183b3d); }
.hero .eyebrow { color: #efbfa5; }
.hero .lead { color: rgba(255,255,255,.8); }
.section { padding: clamp(70px, 9vw, 118px) 0; }
.section-soft { background: #edf5f4; }
.book-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; }
.book-card { overflow: hidden; display: grid; grid-template-columns: minmax(180px, 38%) 1fr; min-height: 520px; background: #fff; border: 1px solid var(--line); border-radius: 28px; box-shadow: var(--shadow); }
.cover-wrap { display: grid; place-items: center; padding: 30px 18px; background: linear-gradient(145deg, #e6d5c9, #f8f1ea); }
.cover-wrap img { width: 100%; max-width: 240px; border-radius: 3px; box-shadow: 0 22px 44px rgba(29,16,13,.3); }
.book-copy { display: flex; flex-direction: column; padding: 36px 32px; }
.book-subtitle { color: var(--teal-dark); font-weight: 800; }
.book-copy .actions { margin-top: auto; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: 0 22px; border: 1px solid transparent; border-radius: 999px; font-weight: 800; text-decoration: none; }
.button-primary { color: #fff; background: var(--teal-dark); }
.button-secondary { color: var(--espresso); background: #fff; border-color: rgba(255,255,255,.42); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.detail-hero { padding: clamp(70px, 9vw, 115px) 0; background: var(--cream); }
.detail-grid { display: grid; grid-template-columns: minmax(220px, 360px) 1fr; gap: clamp(42px, 8vw, 100px); align-items: center; }
.detail-cover { width: 100%; border-radius: 4px; box-shadow: 0 26px 60px rgba(36,18,15,.28); }
.details { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.panel { padding: 30px; background: #fff; border: 1px solid var(--line); border-radius: 24px; }
.panel ul { margin-bottom: 0; padding-left: 22px; color: var(--muted); }
.panel li { margin: 9px 0; }
.book-information { display: grid; grid-template-columns: minmax(0, 1.75fr) minmax(270px, .7fr); gap: 28px; align-items: start; }
.longform { padding: clamp(28px, 5vw, 54px); }
.longform p { color: var(--muted); }
.longform h3 { margin-top: 38px; }
.longform .feature-list { columns: 2; column-gap: 42px; }
.longform .feature-list li { break-inside: avoid; margin-bottom: 14px; }
.practice-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; padding: 0 !important; list-style: none; }
.practice-list li { display: grid; gap: 3px; margin: 0 !important; padding: 18px; background: var(--cream); border-radius: 16px; }
.practice-list strong { color: var(--espresso); }
.practice-list span { color: var(--muted); }
.responsible-note { margin: 32px 0; padding: 22px 24px; color: var(--espresso) !important; background: #edf5f4; border-left: 4px solid var(--teal); border-radius: 0 14px 14px 0; }
.closing-statement { margin: 32px 0 0; color: var(--espresso) !important; font-size: 1.12rem; }
.book-facts { position: sticky; top: 104px; }
.book-facts .actions { margin-top: 26px; }
.back-link { color: var(--teal-dark); font-weight: 800; text-decoration-thickness: 2px; text-underline-offset: 4px; }
.site-footer { padding: 38px 0; color: rgba(255,255,255,.8); background: #171110; }
.footer-inner { display: flex; justify-content: space-between; gap: 24px; align-items: center; }
.footer-inner a { color: #fff; }

@media (max-width: 820px) {
  .nav-links { gap: 14px; font-size: .84rem; }
  .book-grid, .details, .book-information { grid-template-columns: 1fr; }
  .book-card { grid-template-columns: 1fr; }
  .cover-wrap img { max-width: 260px; }
  .detail-grid { grid-template-columns: 1fr; }
  .detail-cover { max-width: 300px; margin-inline: auto; }
  .book-facts { position: static; }
}

@media (max-width: 560px) {
  .nav { align-items: flex-start; padding-block: 14px; }
  .nav-links { justify-content: flex-end; }
  .nav-links a:nth-child(2), .nav-links a:nth-child(3) { display: none; }
  .footer-inner { align-items: flex-start; flex-direction: column; }
  .longform .feature-list { columns: 1; }
  .practice-list { grid-template-columns: 1fr; }
}