:root {
  color-scheme: light;
  --ink: #1b1914;
  --muted: #5d5549;
  --forest: #213f34;
  --moss: #627461;
  --gold: #c78635;
  --sun: #f4d28b;
  --cream: #fbf7ee;
  --linen: #efe5d5;
  --white: #fffdf8;
  --radius: 8px;
  font-family: "Work Sans", "Source Sans Pro", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.6;
}

img {
  display: block;
  width: 100%;
  height: auto;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(33, 63, 52, 0.12);
  background: rgba(251, 247, 238, 0.92);
  backdrop-filter: blur(18px);
}

.nav,
.wrap {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px 0;
}

.brand,
.nav-links a,
.button {
  text-decoration: none;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(199, 134, 53, 0.5);
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 50%, var(--sun) 0 16%, transparent 17%),
    conic-gradient(from 0deg, rgba(199, 134, 53, 0.9), rgba(33, 63, 52, 0.96), rgba(199, 134, 53, 0.9));
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  color: var(--muted);
  font-size: 0.92rem;
}

.hero {
  background: var(--forest);
  color: var(--white);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(360px, 0.78fr);
  gap: 56px;
  align-items: center;
  min-height: 76vh;
  padding: 86px 0;
}

.hero-copy {
  max-width: 680px;
}

.book-cover {
  overflow: hidden;
  border: 1px solid rgba(255, 253, 248, 0.22);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.28);
}

.book-cover img {
  aspect-ratio: 1.2 / 1;
  object-fit: cover;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--sun);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 20px;
  font-size: clamp(3rem, 7vw, 6rem);
  line-height: 0.95;
}

.lede {
  margin-bottom: 28px;
  color: rgba(255, 253, 248, 0.88);
  font-size: clamp(1.08rem, 2vw, 1.28rem);
}

.price {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  margin-bottom: 18px;
  padding: 8px 13px;
  border: 1px solid rgba(244, 210, 139, 0.42);
  border-radius: 999px;
  background: rgba(244, 210, 139, 0.14);
  color: var(--sun);
  font-weight: 800;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 13px 20px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: var(--gold);
  color: #17120b;
  font-weight: 800;
}

.button:hover {
  background: #dda451;
}

.button.secondary {
  border-color: rgba(255, 253, 248, 0.55);
  background: rgba(255, 253, 248, 0.1);
  color: var(--white);
}

.section {
  padding: 82px 0;
}

.section.alt {
  background: var(--white);
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 44px;
  align-items: start;
}

.kicker {
  color: var(--forest);
  font-size: clamp(2rem, 4vw, 3.6rem);
  line-height: 1.04;
}

.body-copy {
  color: var(--muted);
  font-size: 1.08rem;
}

.list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.list li {
  border-left: 3px solid var(--gold);
  padding: 4px 0 4px 16px;
  color: var(--muted);
}

.purchase-band {
  background: var(--linen);
}

.purchase-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: center;
}

.purchase-panel h2 {
  margin-bottom: 8px;
  color: var(--forest);
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.04;
}

.purchase-panel p {
  margin-bottom: 0;
  color: var(--muted);
}

.site-footer {
  background: #151b16;
  color: rgba(255, 253, 248, 0.78);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 0;
  font-size: 0.92rem;
}

.footer-inner a {
  color: rgba(255, 253, 248, 0.86);
}

@media (max-width: 820px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }

  .nav-links {
    width: 100%;
    flex-wrap: wrap;
    gap: 14px 18px;
  }

  .hero-grid,
  .content-grid,
  .purchase-panel {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    min-height: auto;
    padding: 52px 0 64px;
  }

  .book-cover {
    order: -1;
  }

  .section {
    padding: 64px 0;
  }

  .button,
  .purchase-panel .button {
    width: 100%;
  }

  .footer-inner {
    flex-direction: column;
  }
}
