:root {
  --paper: #f6eddf;
  --paper-strong: #fffaf0;
  --ink: #17130f;
  --muted: #63594d;
  --teal: #00595a;
  --teal-deep: #003f40;
  --rust: #ad6734;
  --sage: #8b9076;
  --line: rgba(23, 19, 15, 0.16);
  --shadow: rgba(23, 19, 15, 0.18);
  font-family: Georgia, "Times New Roman", serif;
  color: var(--ink);
  background: var(--paper);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    linear-gradient(120deg, rgba(0, 89, 90, 0.06), transparent 42%),
    linear-gradient(280deg, rgba(173, 103, 52, 0.08), transparent 38%),
    var(--paper);
  color: var(--ink);
  letter-spacing: 0;
}

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

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 64px;
  padding: 14px clamp(20px, 5vw, 64px);
  background: rgba(246, 237, 223, 0.9);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.brand {
  color: var(--ink);
  font-size: 0.88rem;
  letter-spacing: 0.16em;
  text-decoration: none;
  text-transform: uppercase;
  white-space: nowrap;
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 3vw, 30px);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.86rem;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
}

.nav a:hover {
  color: var(--ink);
}

.hero {
  min-height: calc(100svh - 64px);
  padding: clamp(48px, 8vw, 96px) clamp(20px, 6vw, 76px);
  border-bottom: 1px solid var(--line);
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 390px);
  gap: clamp(34px, 7vw, 96px);
  align-items: center;
  max-width: 1130px;
  min-height: calc(100svh - 208px);
  margin: 0 auto;
}

.hero-copy {
  max-width: 730px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--teal);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  font-weight: 400;
  line-height: 1.04;
}

h1 {
  font-size: clamp(4.2rem, 12vw, 9.6rem);
  letter-spacing: 0;
}

h2 {
  font-size: clamp(2.3rem, 5vw, 5rem);
}

.lede {
  max-width: 700px;
  margin: 22px 0 0;
  color: var(--teal-deep);
  font-size: clamp(1.35rem, 2.2vw, 2.05rem);
  line-height: 1.35;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 19px;
  border: 1px solid var(--teal);
  border-radius: 4px;
  background: transparent;
  color: var(--teal-deep);
  font-family: "Segoe UI", Arial, Helvetica, sans-serif;
  font-size: 0.92rem;
  font-weight: 650;
  line-height: 1.2;
  text-decoration: none;
}

.button.primary {
  background: var(--teal);
  color: var(--paper-strong);
}

.button:hover {
  transform: translateY(-1px);
}

.book-panel {
  align-self: center;
}

.cover-link {
  display: block;
  width: min(100%, 340px);
  margin: 0 auto;
  box-shadow: 0 24px 70px var(--shadow);
  text-decoration: none;
}

.book-panel-copy {
  width: min(100%, 340px);
  margin: 22px auto 0;
}

.panel-kicker {
  margin: 0 0 8px;
  color: var(--rust);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.77rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.book-panel h2 {
  color: var(--ink);
  font-size: clamp(1.7rem, 3vw, 2.4rem);
}

.book-panel p:not(.panel-kicker) {
  margin: 12px 0 0;
  color: var(--muted);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.98rem;
  line-height: 1.6;
}

.section {
  padding: clamp(62px, 9vw, 112px) clamp(20px, 6vw, 76px);
  border-bottom: 1px solid var(--line);
}

.section-inner {
  max-width: 1080px;
  margin: 0 auto;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(300px, 1.05fr);
  gap: clamp(34px, 7vw, 90px);
  align-items: start;
}

.split.reverse {
  grid-template-columns: minmax(250px, 0.75fr) minmax(0, 1.25fr);
  align-items: center;
}

.prose p,
.contact-item,
.site-footer {
  font-family: Arial, Helvetica, sans-serif;
}

.prose p {
  max-width: 690px;
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 1.03rem;
  line-height: 1.75;
}

.prose h3 {
  margin: 34px 0 10px;
  color: var(--teal-deep);
  font-size: clamp(1.35rem, 2.2vw, 2rem);
}

.book-section {
  background: rgba(255, 250, 240, 0.46);
}

.cover-card {
  max-width: 250px;
}

.cover-card img {
  box-shadow: 0 18px 46px rgba(23, 19, 15, 0.17);
}

.cover-card p {
  margin: 12px 0 0;
  color: var(--muted);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.82rem;
  line-height: 1.45;
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(300px, 1fr);
  gap: clamp(34px, 7vw, 90px);
  align-items: start;
}

.contact-list {
  display: grid;
  gap: 14px;
}

.contact-item {
  display: block;
  padding: 18px 0;
  border-top: 1px solid var(--line);
  text-decoration: none;
}

.contact-item:last-child {
  border-bottom: 1px solid var(--line);
}

.contact-item span {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.contact-item strong {
  color: var(--teal-deep);
  font-size: clamp(1.25rem, 2.4vw, 1.85rem);
  font-weight: 400;
}

.boundary-note {
  margin: 8px 0 0;
  color: var(--muted);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.94rem;
  line-height: 1.65;
}

.site-footer {
  padding: 36px clamp(20px, 6vw, 76px);
  color: var(--muted);
  font-size: 0.86rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  max-width: 1080px;
  margin: 0 auto;
}

.footer-inner a {
  color: var(--muted);
  text-decoration: none;
}

.footer-inner a:hover {
  color: var(--ink);
}

@media (max-width: 820px) {
  .site-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .nav {
    flex-wrap: wrap;
  }

  .hero {
    min-height: auto;
    padding-top: 36px;
    padding-bottom: 44px;
  }

  .hero-inner,
  .split,
  .split.reverse,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero-inner {
    min-height: auto;
    gap: 32px;
  }

  .book-panel {
    order: -1;
  }

  .cover-link,
  .book-panel-copy {
    width: min(52vw, 220px);
    margin-left: 0;
  }

  h1 {
    font-size: clamp(3.2rem, 16vw, 5.2rem);
  }

  h2 {
    font-size: clamp(2.1rem, 9vw, 3.4rem);
  }

  .lede {
    font-size: 1.2rem;
  }

  .section {
    padding-top: 48px;
    padding-bottom: 54px;
  }

  .cover-card {
    max-width: 180px;
  }

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

@media (max-width: 520px) {
  .actions {
    flex-direction: column;
    align-items: stretch;
  }

  .button {
    width: 100%;
  }

  .cover-link,
  .book-panel-copy {
    width: min(58vw, 190px);
  }

  .contact-item strong {
    font-size: 1.18rem;
  }
}

@media (max-width: 340px) {
  .site-header {
    padding: 12px 16px;
  }

  .brand {
    font-size: 0.78rem;
  }

  .nav {
    gap: 10px;
    font-size: 0.78rem;
  }

  .section,
  .hero {
    padding-left: 16px;
    padding-right: 16px;
  }
}