:root {
  color-scheme: dark;
  --ink: #f4f0e9;
  --muted: #b9b3aa;
  --soft: #888179;
  --smoke: #191817;
  --charcoal: #0d0d0d;
  --black: #030303;
  --line: rgba(244, 240, 233, 0.16);
  --line-strong: rgba(244, 240, 233, 0.3);
  --veil: rgba(3, 3, 3, 0.72);
  --paper: rgba(244, 240, 233, 0.06);
  --paper-strong: rgba(244, 240, 233, 0.1);
  --accent: #f3eadb;
  --font-serif: "Cormorant Garamond", "Iowan Old Style", Georgia, serif;
  --font-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 50% 12%, rgba(244, 240, 233, 0.08), transparent 28rem),
    linear-gradient(180deg, var(--black), #090909 38rem, var(--black));
  color: var(--ink);
  font-family: var(--font-sans);
  line-height: 1.6;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  opacity: 0.24;
  background-image:
    radial-gradient(circle, rgba(244, 240, 233, 0.7) 0 1px, transparent 1.4px),
    radial-gradient(circle, rgba(244, 240, 233, 0.45) 0 1px, transparent 1.2px);
  background-position: 12px 24px, 80px 130px;
  background-size: 190px 190px, 310px 310px;
}

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

a {
  color: inherit;
}

p,
h1,
h2,
h3,
figure,
blockquote {
  margin: 0;
}

.skip-link {
  position: fixed;
  left: 1rem;
  top: 1rem;
  z-index: 20;
  transform: translateY(-180%);
  padding: 0.65rem 0.9rem;
  border: 1px solid var(--line-strong);
  background: var(--black);
  color: var(--ink);
  text-decoration: none;
}

.skip-link:focus {
  transform: translateY(0);
}

.hero {
  position: relative;
  display: grid;
  min-height: 92vh;
  overflow: hidden;
  isolation: isolate;
  --hero-art-shift: -4rem;
}

.hero__backdrop {
  position: absolute;
  inset: 0;
  z-index: -3;
  width: 100%;
  height: calc(100% + 5rem);
  object-fit: cover;
  object-position: 58% 42%;
  transform: translateY(var(--hero-art-shift));
  filter: contrast(1.08) brightness(0.82);
}

.hero::before,
.hero::after {
  position: absolute;
  inset: 0;
  z-index: -2;
  content: "";
  pointer-events: none;
}

.hero::before {
  background:
    linear-gradient(90deg, rgba(3, 3, 3, 0.96), rgba(3, 3, 3, 0.68) 38%, rgba(3, 3, 3, 0.08) 74%),
    linear-gradient(0deg, var(--black), transparent 28%);
}

.hero::after {
  border-bottom: 1px solid var(--line);
  box-shadow: inset 0 -14rem 10rem -10rem var(--black);
}

.stellar-field {
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.3;
  background-image:
    radial-gradient(circle at 21% 28%, rgba(244, 240, 233, 0.9) 0 1px, transparent 2px),
    radial-gradient(circle at 41% 18%, rgba(244, 240, 233, 0.55) 0 1px, transparent 2px),
    radial-gradient(circle at 64% 36%, rgba(244, 240, 233, 0.7) 0 1px, transparent 2px),
    radial-gradient(circle at 84% 21%, rgba(244, 240, 233, 0.5) 0 1px, transparent 2px);
}

.topbar {
  position: fixed;
  top: 1rem;
  left: 50%;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(100% - 2rem, var(--max));
  margin: 0;
  padding: 0.75rem 0.9rem;
  transform: translateX(-50%);
  border: 1px solid transparent;
  background: rgba(3, 3, 3, 0.08);
  color: rgba(244, 240, 233, 0.82);
  transition: background 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.topbar--scrolled {
  border-color: rgba(244, 240, 233, 0.16);
  background: rgba(3, 3, 3, 0.76);
  box-shadow: 0 1rem 3rem rgba(0, 0, 0, 0.32);
  backdrop-filter: blur(18px);
}

.wordmark {
  flex: 0 0 auto;
  font-family: var(--font-serif);
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  text-decoration: none;
}

.topbar__links {
  display: flex;
  align-items: center;
  gap: clamp(0.75rem, 2vw, 1.35rem);
  margin-left: 1.5rem;
}

.topbar__link {
  position: relative;
  color: rgba(244, 240, 233, 0.62);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  transition: color 160ms ease;
}

.topbar__link:hover,
.topbar__link:focus-visible,
.topbar__nav-link.is-active {
  color: var(--ink);
}

.topbar__link::after {
  position: absolute;
  right: 0;
  bottom: -0.42rem;
  left: 0;
  height: 1px;
  content: "";
  transform: scaleX(0);
  transform-origin: center;
  background: var(--ink);
  opacity: 0.86;
  transition: transform 160ms ease;
}

.topbar__link.is-active::after {
  transform: scaleX(1);
}

.hero__content {
  align-self: center;
  width: min(100% - 2rem, var(--max));
  margin: 0 auto;
  padding: 7rem 0 12rem;
}

.eyebrow,
.kicker {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 650;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1,
h2,
h3,
blockquote {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.02;
}

h1 {
  max-width: 11ch;
  margin-top: 0.75rem;
  font-size: clamp(4rem, 12vw, 10.2rem);
}

.subtitle {
  max-width: 80rem;
  margin-top: 1.1rem;
  color: rgba(244, 240, 233, 0.9);
  font-family: var(--font-serif);
  font-size: clamp(1.45rem, 2.65vw, 2.25rem);
  line-height: 1.16;
  white-space: nowrap;
}

.author {
  margin-top: 1rem;
  color: var(--muted);
}

.hook {
  margin-top: 5rem;
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 4vw, 3.5rem);
  line-height: 1.1;
}

.lede {
  max-width: 37rem;
  margin-top: 1rem;
  color: var(--muted);
  font-size: clamp(1.02rem, 1.6vw, 1.2rem);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  min-height: 3rem;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.78rem 1.05rem;
  border: 1px solid rgba(215, 199, 166, 0.5);
  border-radius: 2px;
  background: rgba(166, 143, 104, 0.14);
  color: #f2eadb;
  font-size: 0.84rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
  transition: border-color 160ms ease, background 160ms ease, transform 160ms ease;
}

.button::before {
  display: inline-grid;
  width: 1.25rem;
  height: 1.25rem;
  place-items: center;
  border: 1px solid currentColor;
  color: currentColor;
  font-family: var(--font-serif);
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1;
  opacity: 0.9;
}

.button[data-buy-link="digital"]::before {
  content: "G";
}

.button[data-buy-link="paperback"]::before,
.button[data-buy-link="hardcover"]::before {
  content: "a";
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 850;
}

.button:hover,
.button:focus-visible {
  border-color: rgba(232, 217, 184, 0.78);
  background: rgba(188, 164, 122, 0.24);
  transform: translateY(-1px);
}

.button--primary {
  border-color: rgba(215, 199, 166, 0.5);
  background: rgba(166, 143, 104, 0.14);
  color: #f2eadb;
}

.button--primary:hover,
.button--primary:focus-visible {
  background: rgba(188, 164, 122, 0.24);
  color: #fff7e8;
}

.button--disabled {
  border-color: rgba(215, 199, 166, 0.5);
  background: rgba(166, 143, 104, 0.14);
  color: #f2eadb;
  opacity: 1;
}

.button--disabled:hover,
.button--disabled:focus-visible {
  transform: none;
}

.section {
  border-top: 1px solid var(--line);
}

.section__inner {
  width: min(100% - 2rem, var(--max));
  margin: 0 auto;
  padding: clamp(5rem, 10vw, 9rem) 0;
}

.intro__grid,
.author__grid,
.readers__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(22rem, 0.82fr);
  gap: clamp(2.5rem, 6vw, 5.5rem);
  align-items: center;
}

.intro__grid {
  align-items: start;
}

.intro__copy {
  max-width: 48rem;
}

h2 {
  max-width: 13ch;
  margin-top: 0.9rem;
  font-size: clamp(2.4rem, 6vw, 5rem);
}

.movements h2,
.editions h2 {
  max-width: none;
  font-size: clamp(2.35rem, 5vw, 4.35rem);
  text-wrap: balance;
}

.intro p:not(.kicker),
.author-section p:not(.kicker) {
  margin-top: 1.25rem;
  color: var(--muted);
  font-size: 1.05rem;
}

.quiet-line {
  color: var(--ink) !important;
  font-family: var(--font-serif);
  font-size: clamp(1.45rem, 3vw, 2.15rem) !important;
  line-height: 1.16;
}

.book-object {
  justify-self: center;
  margin-top: 2.45rem;
}

.book-object img {
  width: min(100%, 28rem);
  margin-inline: auto;
  border: 1px solid rgba(244, 240, 233, 0.28);
  box-shadow: 0 2rem 5rem rgba(0, 0, 0, 0.76);
}

.book-object figcaption {
  margin-top: 0.9rem;
  color: var(--soft);
  font-size: 0.85rem;
  text-align: center;
}

.movement-grid,
.edition-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 2.25rem;
}

.movement-card,
.edition-card {
  display: flex;
  min-height: 19rem;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(1.25rem, 3vw, 1.8rem);
  border: 1px solid var(--line);
  border-radius: 2px;
  background: linear-gradient(180deg, rgba(244, 240, 233, 0.075), rgba(244, 240, 233, 0.018));
}

.movement-card__number {
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.movement-card h3,
.edition-card h3 {
  margin-top: auto;
  font-size: clamp(1.65rem, 3vw, 2.25rem);
}

.movement-card p,
.edition-card p {
  margin-top: 1rem;
  color: var(--muted);
}

.quote-section {
  position: relative;
  display: grid;
  min-height: 64vh;
  place-items: center;
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 7rem 1rem;
  text-align: center;
}

.quote-section__light {
  position: absolute;
  width: min(44rem, 76vw);
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(244, 240, 233, 0.8), transparent);
  box-shadow: 0 0 4rem 3rem rgba(244, 240, 233, 0.12);
}

blockquote {
  position: relative;
  max-width: 68rem;
  color: var(--ink);
  font-size: clamp(2.1rem, 4.4vw, 4.35rem);
  line-height: 1.12;
  text-wrap: balance;
}

blockquote::before,
blockquote::after {
  position: absolute;
  color: rgba(244, 240, 233, 0.18);
  font-family: var(--font-serif);
  font-size: clamp(6rem, 12vw, 11rem);
  line-height: 1;
}

blockquote::before {
  top: -0.48em;
  left: -0.32em;
  content: "“";
}

blockquote::after {
  right: -0.28em;
  bottom: -0.78em;
  content: "”";
}

.readers__grid {
  grid-template-columns: minmax(16rem, 0.7fr) minmax(0, 1fr);
}

.readers h2 {
  max-width: 10ch;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.15rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.tag-list li {
  padding-bottom: 0.28rem;
  border-bottom: 1px solid rgba(244, 240, 233, 0.22);
  color: rgba(244, 240, 233, 0.78);
  font-family: var(--font-serif);
  font-size: clamp(1.12rem, 2vw, 1.45rem);
  line-height: 1.25;
}

.edition-card {
  min-height: 21rem;
}

.edition-source {
  margin-top: 0.35rem !important;
  color: var(--ink) !important;
  font-size: 0.72rem;
  font-weight: 750;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.price {
  color: var(--ink) !important;
  font-family: var(--font-serif);
  font-size: 2.2rem;
}

.edition-card .button {
  align-self: flex-start;
}

.author__grid {
  grid-template-columns: minmax(17rem, 28rem) minmax(0, 1fr);
}

.author-photo {
  width: min(100%, 28rem);
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--smoke);
}

.author-photo img {
  width: 100%;
  height: auto;
  filter: grayscale(1) contrast(1.05);
}

.final-cta {
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--line);
  text-align: center;
}

.final-cta::before {
  position: absolute;
  inset: 0;
  pointer-events: none;
  content: "";
  background:
    linear-gradient(180deg, rgba(3, 3, 3, 0.15), var(--black)),
    url("assets/the%20third%20mind%20clean.jpg") center 42% / cover;
  opacity: 0.28;
}

.final-cta .section__inner {
  position: relative;
  display: grid;
  min-height: 58vh;
  place-items: center;
  align-content: center;
}

.final-cta h2 {
  max-width: 18ch;
  margin: 0 auto;
  font-size: clamp(2.7rem, 6vw, 5rem);
}

.final-cta .cta-row {
  justify-content: center;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 1.5rem 1rem;
  color: var(--soft);
  font-size: 0.88rem;
  text-align: center;
}

.to-top {
  position: fixed;
  right: 1.1rem;
  bottom: 1.1rem;
  z-index: 18;
  display: inline-grid;
  width: 3rem;
  height: 3rem;
  place-items: center;
  transform: translateY(0.75rem);
  border: 1px solid rgba(244, 240, 233, 0.34);
  background: rgba(3, 3, 3, 0.72);
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: 1.55rem;
  line-height: 1;
  opacity: 0;
  pointer-events: none;
  text-decoration: none;
  transition: opacity 180ms ease, transform 180ms ease, background 180ms ease;
  backdrop-filter: blur(16px);
}

.to-top:hover,
.to-top:focus-visible {
  background: var(--ink);
  color: var(--black);
}

.to-top.is-visible {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

@media (max-width: 880px) {
  .topbar {
    width: min(100% - 1rem, var(--max));
  }

  .hero {
    min-height: auto;
  }

  .hero__backdrop {
    object-position: 68% 44%;
  }

  .hero::before {
    background:
      linear-gradient(90deg, rgba(3, 3, 3, 0.98), rgba(3, 3, 3, 0.78) 58%, rgba(3, 3, 3, 0.38)),
      linear-gradient(0deg, var(--black), transparent 34%);
  }

  .hero__content {
    padding: 5rem 0 8rem;
  }

  h1 {
    max-width: 9ch;
  }

  .hook {
    margin-top: 3.4rem;
  }

  .intro__grid,
  .author__grid,
  .readers__grid,
  .movement-grid,
  .edition-grid {
    grid-template-columns: 1fr;
  }

  .author__grid .author-photo {
    order: 2;
  }

  .book-object,
  .author-photo {
    justify-self: center;
  }

  .movement-card,
  .edition-card {
    min-height: 15rem;
  }
}

@media (max-width: 760px) {
  html {
    scroll-padding-top: 7.5rem;
  }

  .topbar {
    align-items: stretch;
    flex-direction: column;
    padding: 0.8rem;
    border-color: rgba(244, 240, 233, 0.16);
    background: rgba(3, 3, 3, 0.72);
    backdrop-filter: blur(18px);
  }

  .wordmark {
    text-align: center;
  }

  .topbar__links {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.48rem 0.65rem;
    margin: 0.7rem 0 0;
  }

  .topbar__link {
    padding: 0.24rem 0;
    font-size: 0.66rem;
    line-height: 1.1;
    text-align: center;
  }

  .topbar__link::after {
    bottom: -0.1rem;
  }

  .hero__content {
    padding-top: 8rem;
  }
}

@media (max-width: 560px) {
  .topbar {
    top: 0.5rem;
  }

  .topbar__link {
    font-size: 0.72rem;
  }

  .hero__content {
    padding-top: 9rem;
  }

  h1 {
    font-size: clamp(2.85rem, 13.5vw, 4.25rem);
  }

  .subtitle {
    font-size: 1.36rem;
    white-space: normal;
  }

  .cta-row {
    display: grid;
    grid-template-columns: 1fr;
  }

  .button {
    width: 100%;
  }

  .section__inner {
    padding: 4.5rem 0;
  }

  .quote-section {
    min-height: 58vh;
    padding: 5rem 1rem;
  }

  blockquote {
    font-size: clamp(1.9rem, 9vw, 2.85rem);
  }

  .tag-list li {
    width: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}