:root {
  --paper: #f5f1e9;
  --paper-deep: #e8dfd0;
  --ink: #24211f;
  --muted: #6c635b;
  --line: rgba(36, 33, 31, 0.18);
  --accent: #8f6542;
  --accent-dark: #68482f;
  --white: #fffdf8;
}
html {
  scroll-behavior: smooth;
}
body.dbd-landing-page {
  margin: 0 !important;
  background: var(--paper) !important;
}
.dbd-site,
.dbd-site * {
  box-sizing: border-box;
}
.dbd-site {
  margin: 0;
  background:
    radial-gradient(
      circle at 15% 10%,
      rgba(255, 255, 255, 0.92),
      transparent 34%
    ),
    radial-gradient(
      circle at 92% 36%,
      rgba(184, 151, 116, 0.12),
      transparent 30%
    ),
    var(--paper);
  color: var(--ink);
  font-family: Arial, sans-serif;
  line-height: 1.65;
}
.dbd-site a {
  color: inherit;
  text-decoration: none;
}
.dbd-site img {
  display: block;
  max-width: 100%;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 999;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 2rem;
  min-height: 78px;
  padding: 0 5vw;
  border-bottom: 1px solid var(--line);
  background: rgba(245, 241, 233, 0.92);
  backdrop-filter: blur(14px);
}
.wordmark,
.footer-mark {
  display: flex;
  gap: 0.3rem;
  font-family: Georgia, serif;
}
.wordmark span,
.footer-mark span {
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border: 1px solid var(--ink);
  font-size: 1.1rem;
}
.site-header nav {
  display: flex;
  gap: 2.1rem;
  font-size: 0.88rem;
  letter-spacing: 0.03em;
}
.site-header nav a {
  padding: 0.55rem 0;
  border-bottom: 1px solid transparent;
}
.site-header nav a:hover {
  border-color: var(--ink);
}
.site-header > .button {
  justify-self: end;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  min-height: 52px;
  padding: 0.82rem 1.3rem;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--white) !important;
  font-size: 0.82rem;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition:
    transform 0.2s,
    background 0.2s;
}
.button:hover {
  transform: translateY(-2px);
  background: var(--accent-dark);
  border-color: var(--accent-dark);
}
.button:focus-visible,
.dbd-site a:focus-visible,
.dbd-site summary:focus-visible {
  outline: 3px solid rgba(143, 101, 66, 0.42);
  outline-offset: 4px;
}
.button-small {
  min-height: 42px;
  padding: 0.65rem 1rem;
  font-size: 0.73rem;
}
.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(440px, 1.1fr);
  min-height: calc(100vh - 78px);
  border-bottom: 1px solid var(--line);
}
.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 8vw 6vw 7vw 8vw;
}
.eyebrow {
  margin: 0 0 1.4rem;
  color: var(--accent-dark);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.dbd-site h1,
.dbd-site h2,
.dbd-site h3,
.dbd-site blockquote {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
  line-height: 1.06;
}
.dbd-site h1 {
  max-width: 780px;
  font-size: clamp(3.4rem, 6vw, 6.7rem);
  letter-spacing: -0.045em;
}
.dbd-site h1 em {
  display: block;
  margin-top: 0.24em;
  color: var(--accent-dark);
  font-size: 0.57em;
  font-weight: 400;
}
.hero-lede {
  max-width: 650px;
  margin: 2rem 0;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.8;
}
.button-row {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.text-link {
  font-size: 0.86rem;
  font-weight: 650;
  border-bottom: 1px solid var(--ink);
}
.availability {
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: 0.76rem;
}
.hero-art {
  display: grid;
  place-items: center;
  min-height: 640px;
  overflow: hidden;
  background: #d8c7b1;
}
.hero-art img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.proof-band {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 0 5vw;
  border-right: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.proof-band div {
  display: flex;
  align-items: baseline;
  gap: 0.8rem;
  padding: 1.5rem 2rem;
  border-right: 1px solid var(--line);
}
.proof-band div:last-child {
  border-right: 0;
}
.proof-band strong {
  font-family: Georgia, serif;
  font-size: 1.75rem;
  font-weight: 400;
}
.proof-band span {
  color: var(--muted);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.section {
  padding: 8rem 8vw;
}
.problem {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8vw;
  align-items: start;
}
.section-intro h2,
.framework-heading h2,
.inside-copy h2,
.author h2,
.final-cta h2 {
  font-size: clamp(2.6rem, 4.2vw, 5rem);
  letter-spacing: -0.035em;
}
.problem-copy {
  padding-top: 2.6rem;
  color: var(--muted);
  font-size: 1.08rem;
}
.problem-copy p {
  max-width: 660px;
  margin: 0 0 1.4rem;
}
.outcomes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  padding-top: 0;
}
.outcomes article {
  min-height: 290px;
  padding: 2.6rem;
  border: 1px solid var(--line);
  border-right: 0;
  background: rgba(255, 253, 248, 0.4);
}
.outcomes article:last-child {
  border-right: 1px solid var(--line);
}
.card-number {
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
}
.outcomes h3 {
  margin-top: 3rem;
  font-size: 2rem;
}
.outcomes p {
  color: var(--muted);
}
.frameworks {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 8vw;
  background: var(--ink);
  color: var(--white);
}
.framework-heading {
  position: sticky;
  top: 130px;
  align-self: start;
}
.framework-heading .eyebrow {
  color: #d8b793;
}
.framework-heading > p:last-child {
  max-width: 570px;
  margin-top: 1.8rem;
  color: rgba(255, 253, 248, 0.66);
}
.framework-list {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}
.framework-list details {
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}
.framework-list summary {
  display: grid;
  grid-template-columns: 6rem 1fr auto;
  gap: 1.2rem;
  align-items: center;
  padding: 1.65rem 0;
  cursor: pointer;
  list-style: none;
  font-family: Georgia, serif;
  font-size: 1.28rem;
}
.framework-list summary::-webkit-details-marker {
  display: none;
}
.framework-mark {
  color: #d8b793;
  font-family: monospace;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
}
.plus {
  font-family: Arial, sans-serif;
  font-size: 1.4rem;
  transition: transform 0.2s;
}
.framework-list details[open] .plus {
  transform: rotate(45deg);
}
.framework-list details p {
  margin: -0.4rem 3rem 1.8rem 7.2rem;
  color: rgba(255, 253, 248, 0.68);
}
.quote-panel {
  padding: 10rem 14vw;
  text-align: center;
  background: #b99570;
  color: #1f1b18;
}
.quote-panel blockquote {
  max-width: 1100px;
  margin: 0 auto;
  font-size: clamp(2.8rem, 5.4vw, 6rem);
  letter-spacing: -0.04em;
}
.quote-panel p {
  max-width: 670px;
  margin: 2rem auto 0;
}
.inside-book {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(480px, 0.95fr);
  gap: clamp(2.5rem, 5vw, 5rem);
  align-items: center;
  max-width: 1512px;
  margin: 0 auto;
  padding-inline: clamp(1.3rem, 6vw, 6rem);
}
.inside-image {
  width: min(100%, 620px);
  justify-self: center;
  overflow: hidden;
  box-shadow: 0 24px 80px rgba(55, 43, 32, 0.18);
}
.inside-image img {
  width: 100%;
  height: auto;
  aspect-ratio: auto;
  object-fit: contain;
}
.inside-copy h2 {
  font-size: clamp(3rem, 3.8vw, 4.5rem);
}
.inside-copy ul {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.8rem 1.6rem;
  margin: 2rem 0 2.4rem;
  padding: 0;
  list-style: none;
}
.inside-copy li {
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
}
.inside-copy li::before {
  content: "—";
  margin-right: 0.6rem;
  color: var(--accent);
}
.author {
  display: grid;
  grid-template-columns: minmax(280px, 0.65fr) 1.35fr;
  gap: 8vw;
  align-items: center;
  background: var(--paper-deep);
}
.author-photo {
  width: min(100%, 500px);
  aspect-ratio: 1;
  padding: 12px;
  overflow: hidden;
  border: 1px solid rgba(36, 33, 31, 0.34);
  border-radius: 50%;
  background: rgba(255, 253, 248, 0.52);
  box-shadow: 0 24px 70px rgba(55, 43, 32, 0.16);
}
.author-photo img {
  width: 100%;
  height: 100%;
  aspect-ratio: 1;
  border-radius: 50%;
  object-fit: cover;
  object-position: center 23%;
  filter: saturate(0.72) sepia(0.08);
}
.author-role {
  margin: 1rem 0 2rem;
  color: var(--accent-dark);
  font-family: Georgia, serif;
  font-size: 1.15rem;
}
.author-copy > p:not(.eyebrow):not(.author-role) {
  max-width: 720px;
  color: var(--muted);
}
.final-cta {
  padding: 10rem 8vw;
  text-align: center;
}
.final-cta h2 {
  max-width: 950px;
  margin: 0 auto;
}
.final-cta > p:not(.eyebrow) {
  max-width: 700px;
  margin: 1.7rem auto 2.2rem;
  color: var(--muted);
}
.dbd-site footer {
  display: grid;
  grid-template-columns: auto 1fr minmax(280px, 0.7fr);
  gap: 2rem;
  align-items: center;
  padding: 2.2rem 5vw;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.72rem;
}
.footer-mark span {
  width: 1.55rem;
  height: 1.55rem;
  border-color: var(--muted);
  font-size: 0.8rem;
}
.disclaimer {
  text-align: right;
}
.mobile-buy {
  display: none;
}
@media (max-width: 1000px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }
  .site-header nav {
    display: none;
  }
  .hero {
    grid-template-columns: 1fr;
  }
  .hero-copy {
    padding: 7rem 8vw 5rem;
  }
  .hero-art {
    min-height: 520px;
  }
  .problem,
  .frameworks,
  .inside-book,
  .author {
    grid-template-columns: 1fr;
  }
  .inside-image {
    width: min(88vw, 620px);
  }
  .framework-heading {
    position: static;
  }
  .proof-band div {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.2rem;
  }
  .dbd-site footer {
    grid-template-columns: auto 1fr;
  }
  .disclaimer {
    grid-column: 1/-1;
    text-align: left;
  }
}
@media (max-width: 700px) {
  .site-header {
    min-height: 66px;
    padding: 0 1.2rem;
  }
  .site-header > .button {
    display: none;
  }
  .hero {
    min-height: auto;
  }
  .hero-copy {
    padding: 5.5rem 1.3rem 3.5rem;
  }
  .dbd-site h1 {
    font-size: clamp(3.1rem, 16vw, 4.8rem);
  }
  .hero-lede {
    font-size: 1rem;
  }
  .hero-art {
    min-height: 390px;
  }
  .hero-art img {
    object-position: 58% center;
  }
  .proof-band {
    grid-template-columns: 1fr;
    margin: 0;
    border: 0;
    border-bottom: 1px solid var(--line);
  }
  .proof-band div {
    flex-direction: row;
    align-items: baseline;
    padding: 1rem 1.3rem;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
  .section {
    padding: 5.5rem 1.3rem;
  }
  .problem {
    gap: 1rem;
  }
  .problem-copy {
    padding-top: 0;
  }
  .outcomes {
    grid-template-columns: 1fr;
    padding-top: 0;
  }
  .outcomes article,
  .outcomes article:last-child {
    min-height: auto;
    padding: 2rem;
    border-right: 1px solid var(--line);
    border-bottom: 0;
  }
  .outcomes article:last-child {
    border-bottom: 1px solid var(--line);
  }
  .outcomes h3 {
    margin-top: 1.8rem;
  }
  .frameworks {
    gap: 3.5rem;
  }
  .framework-list summary {
    grid-template-columns: 4.5rem 1fr auto;
    gap: 0.7rem;
    font-size: 1rem;
  }
  .framework-list details p {
    margin: -0.2rem 1.5rem 1.5rem 5.2rem;
    font-size: 0.9rem;
  }
  .quote-panel {
    padding: 6rem 1.3rem;
  }
  .inside-copy ul {
    grid-template-columns: 1fr;
  }
  .author-photo {
    max-width: 360px;
  }
  .final-cta {
    padding: 6rem 1.3rem 8rem;
  }
  .dbd-site footer {
    grid-template-columns: 1fr;
    padding: 2rem 1.3rem 7rem;
  }
  .mobile-buy {
    position: fixed;
    z-index: 1000;
    right: 0;
    bottom: 0;
    left: 0;
    display: block;
    padding: 0.75rem;
    background: rgba(245, 241, 233, 0.95);
    border-top: 1px solid var(--line);
    backdrop-filter: blur(12px);
  }
  .mobile-buy .button {
    width: 100%;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .dbd-site * {
    transition-duration: 0.01ms !important;
  }
}