:root {
  --ink-950: oklch(0.145 0.012 24);
  --ink-900: oklch(0.18 0.014 24);
  --ink-800: oklch(0.24 0.016 24);
  --paper-100: oklch(0.94 0.028 82);
  --paper-200: oklch(0.9 0.04 82);
  --paper-300: oklch(0.82 0.05 76);
  --red-500: oklch(0.49 0.162 28);
  --red-600: oklch(0.42 0.145 28);
  --white: oklch(0.985 0.004 80);
  --muted-light: oklch(0.79 0.016 70);
  --muted-dark: oklch(0.39 0.016 40);
  --serif: Georgia, "Times New Roman", serif;
  --sans: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --display: Impact, Haettenschweiler, "Arial Narrow Bold", sans-serif;
  --container: min(92vw, 1440px);
  --header-height: 104px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--ink-950);
}

body {
  margin: 0;
  background: var(--ink-950);
  color: var(--white);
  font-family: var(--sans);
  font-synthesis: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.menu-open {
  overflow: hidden;
}

::selection {
  color: var(--white);
  background: var(--red-500);
}

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

a {
  color: inherit;
  text-decoration-thickness: from-font;
  text-underline-position: from-font;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

.skip-link {
  position: fixed;
  inset: 12px auto auto 12px;
  z-index: 1000;
  padding: 12px 16px;
  color: var(--ink-950);
  background: var(--paper-100);
  transform: translateY(-150%);
  transition-property: transform;
  transition-duration: 180ms;
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.intro {
  position: fixed;
  inset: 0;
  z-index: 900;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: var(--ink-950);
  transition-property: opacity, visibility;
  transition-duration: 600ms;
  transition-timing-function: cubic-bezier(0.2, 0, 0, 1);
}

.intro::before,
.intro::after {
  position: absolute;
  content: "";
  inset-inline: 0;
  height: 1px;
  background: oklch(0.985 0.004 80 / 0.12);
  transform: scaleX(0);
  animation: intro-scan 1.25s cubic-bezier(0.2, 0, 0, 1) forwards;
}

.intro::before {
  inset-block-start: 32%;
  transform-origin: left;
}

.intro::after {
  inset-block-end: 32%;
  transform-origin: right;
}

.intro.is-finished {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.intro-mark {
  display: grid;
  justify-items: center;
  gap: 13px;
  text-align: center;
}

.intro-label,
.intro-author {
  font-size: 0.69rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.intro-label {
  color: var(--red-500);
}

.intro-title {
  font-family: var(--serif);
  font-size: clamp(2.5rem, 7vw, 6.5rem);
  line-height: 0.95;
  letter-spacing: -0.055em;
  text-wrap: balance;
}

.intro-rule {
  width: min(180px, 42vw);
  height: 2px;
  background: var(--red-500);
  transform-origin: center;
  animation: intro-rule 1s 300ms cubic-bezier(0.2, 0, 0, 1) both;
}

.intro-author {
  color: var(--paper-300);
}

@keyframes intro-scan {
  to {
    transform: scaleX(1);
  }
}

@keyframes intro-rule {
  from {
    transform: scaleX(0);
  }
  to {
    transform: scaleX(1);
  }
}

.site-header {
  position: absolute;
  inset: 0 0 auto;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-height);
  width: var(--container);
  margin-inline: auto;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-height: 48px;
  text-decoration: none;
}

.brand-mark {
  position: relative;
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  color: var(--paper-100);
  font-family: var(--serif);
  font-size: 1rem;
  border: 1px solid oklch(0.985 0.004 80 / 0.35);
  border-radius: 50%;
}

.brand-mark span {
  position: absolute;
  mix-blend-mode: screen;
}

.brand-mark span:first-child {
  transform: translateX(-7px);
}

.brand-mark span:last-child {
  transform: translateX(7px);
}

.brand-copy {
  display: grid;
  gap: 2px;
}

.brand-copy strong {
  font-family: var(--serif);
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.brand-copy em {
  color: var(--paper-300);
  font-family: var(--serif);
  font-size: 0.78rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(20px, 2.5vw, 42px);
}

.site-nav a {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-decoration: none;
  text-transform: uppercase;
}

.site-nav a::after {
  position: absolute;
  content: "";
  inset: auto 0 8px;
  height: 1px;
  background: var(--red-500);
  transform: scaleX(0);
  transform-origin: right;
  transition-property: transform;
  transition-duration: 220ms;
  transition-timing-function: cubic-bezier(0.2, 0, 0, 1);
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-socials,
.footer-socials {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 8px;
}

.social-icon-link {
  display: grid;
  flex: 0 0 44px;
  justify-content: center;
  place-items: center;
  width: 44px;
  height: 44px;
  min-width: 44px;
  min-height: 44px;
  max-width: 44px;
  padding: 0;
  overflow: hidden;
  color: var(--paper-100);
  background: oklch(1 0 0 / 0.055);
  aspect-ratio: 1;
  border-radius: 50%;
  box-sizing: border-box;
  box-shadow: inset 0 0 0 1px oklch(1 0 0 / 0.12);
  line-height: 0;
  text-decoration: none;
  transition-property: color, background-color, box-shadow, transform;
  transition-duration: 180ms;
  transition-timing-function: cubic-bezier(0.2, 0, 0, 1);
}

.social-icon-link svg {
  display: block;
  width: 18px;
  height: 18px;
  flex: none;
  overflow: visible;
  pointer-events: none;
}

.social-icon-link svg path {
  fill: currentColor;
}

.social-icon-link svg rect,
.social-icon-link svg circle {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
}

.social-icon-link svg circle:last-child {
  fill: currentColor;
  stroke: none;
}

.social-icon-link .amazon-icon {
  width: 21px;
  height: 21px;
  overflow: visible;
}

.social-icon-link .amazon-icon text {
  fill: currentColor;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 15px;
  font-weight: 700;
}

.social-icon-link .amazon-smile,
.social-icon-link .amazon-arrow {
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
}

.site-nav .social-icon-link::after {
  display: none;
}

.social-icon-link:hover,
.social-icon-link:focus-visible {
  color: var(--white);
  background: var(--red-500);
  box-shadow:
    0 10px 22px oklch(0 0 0 / 0.22),
    inset 0 1px oklch(1 0 0 / 0.16);
  transform: translateY(-2px);
}

.social-icon-link:active {
  transform: scale(0.96);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 0;
  color: var(--white);
  background: transparent;
}

.menu-toggle span:not(.sr-only) {
  display: block;
  width: 24px;
  height: 1px;
  margin: 6px auto;
  background: currentColor;
  transition-property: transform;
  transition-duration: 220ms;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.9fr) minmax(190px, 0.38fr);
  align-items: center;
  gap: clamp(32px, 5vw, 90px);
  min-height: 100svh;
  padding: calc(var(--header-height) + 56px) max(4vw, calc((100vw - 1440px) / 2)) 90px;
  overflow: hidden;
  isolation: isolate;
  background:
    radial-gradient(circle at 64% 42%, oklch(0.49 0.162 28 / 0.12), transparent 25%),
    linear-gradient(145deg, var(--ink-950), var(--ink-900));
}

.hero::after {
  position: absolute;
  z-index: -1;
  content: "";
  width: 65vw;
  aspect-ratio: 1;
  inset: 8% -28vw auto auto;
  border: 1px solid oklch(0.985 0.004 80 / 0.08);
  border-radius: 50%;
  box-shadow:
    0 0 0 7vw oklch(0.985 0.004 80 / 0.018),
    0 0 0 14vw oklch(0.985 0.004 80 / 0.012);
}

.frequency-field {
  position: absolute;
  z-index: -1;
  inset: 0;
  opacity: 0.24;
  pointer-events: none;
}

.frequency-field i {
  position: absolute;
  inset-inline-start: -10vw;
  width: 120vw;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--red-500), transparent);
  transform: rotate(-8deg) scaleX(0.82);
}

.frequency-field i:nth-child(1) { inset-block-start: 22%; }
.frequency-field i:nth-child(2) { inset-block-start: 36%; transform: rotate(5deg) scaleX(0.68); }
.frequency-field i:nth-child(3) { inset-block-start: 47%; transform: rotate(-3deg) scaleX(0.92); }
.frequency-field i:nth-child(4) { inset-block-start: 54%; transform: rotate(2deg) scaleX(0.55); }
.frequency-field i:nth-child(5) { inset-block-start: 65%; transform: rotate(-5deg) scaleX(0.75); }
.frequency-field i:nth-child(6) { inset-block-start: 78%; transform: rotate(3deg) scaleX(0.88); }
.frequency-field i:nth-child(7) { inset-block-start: 91%; transform: rotate(-2deg) scaleX(0.65); }

.eyebrow {
  margin: 0 0 18px;
  color: var(--red-500);
  font-size: 0.71rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero-copy {
  position: relative;
  z-index: 2;
  max-width: 700px;
}

.hero h1 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(3.65rem, 6.8vw, 8.5rem);
  font-weight: 500;
  line-height: 0.86;
  letter-spacing: -0.066em;
  text-wrap: balance;
}

.hero h1 span {
  display: block;
  color: var(--paper-300);
  font-style: italic;
}

.hero-description {
  max-width: 57ch;
  margin: 34px 0 0;
  color: var(--muted-light);
  font-family: var(--serif);
  font-size: clamp(1rem, 1.3vw, 1.24rem);
  line-height: 1.55;
  text-wrap: pretty;
}

.hero-actions,
.featured-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
  margin-block-start: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 52px;
  padding: 0 20px;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-decoration: none;
  text-transform: uppercase;
  user-select: none;
  transition-property: transform, background-color, color;
  transition-duration: 180ms;
}

.button:active {
  transform: scale(0.96);
}

.button-primary {
  color: var(--white);
  background: var(--red-500);
  box-shadow:
    0 16px 32px oklch(0 0 0 / 0.25),
    inset 0 1px oklch(1 0 0 / 0.18);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: var(--red-600);
}

.button-dark {
  color: var(--white);
  background: var(--ink-950);
  box-shadow: 0 14px 30px oklch(0 0 0 / 0.18);
}

.button-dark:hover,
.button-dark:focus-visible {
  background: var(--red-600);
}

.button-outline,
.button-outline-dark {
  background: transparent;
  box-shadow: inset 0 0 0 1px currentColor;
}

.button-outline {
  color: var(--paper-100);
}

.button-outline-dark {
  color: var(--ink-950);
}

.button-outline:hover,
.button-outline:focus-visible,
.button-outline-dark:hover,
.button-outline-dark:focus-visible {
  color: var(--white);
  background: var(--red-600);
  box-shadow: inset 0 0 0 1px var(--red-600);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-height: 44px;
  color: var(--paper-100);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-decoration-color: var(--red-500);
  text-decoration-line: underline;
  text-underline-offset: 7px;
}

.text-link-dark {
  color: var(--ink-950);
}

.purchase-block {
  margin-block-start: 34px;
}

.purchase-label {
  margin: 0;
  color: var(--red-600);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.purchase-block .featured-actions {
  margin-block-start: 14px;
}

.book-stage {
  position: relative;
  z-index: 2;
  display: grid;
  place-items: center;
  min-height: clamp(500px, 67vh, 720px);
  min-width: 0;
  cursor: grab;
  touch-action: pan-y;
  user-select: none;
}

.book-stage.is-dragging {
  cursor: grabbing;
}

.book-aura {
  position: absolute;
  z-index: -1;
  width: 110%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, oklch(0.49 0.162 28 / 0.24), transparent 67%);
  filter: blur(20px);
}

#book-canvas {
  grid-area: 1 / 1;
  width: 100%;
  height: clamp(500px, 67vh, 720px);
  outline: none;
}

#book-canvas:focus-visible {
  outline: none;
}

.book-stage:has(#book-canvas:focus-visible) .drag-note {
  color: var(--paper-100);
  text-decoration-color: var(--red-500);
  text-decoration-line: underline;
  text-underline-offset: 6px;
}

.book-loading,
.book-fallback {
  grid-area: 1 / 1;
}

.book-loading {
  z-index: 4;
  display: grid;
  justify-items: center;
  gap: 14px;
  color: var(--muted-light);
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  transition-property: opacity, visibility;
  transition-duration: 280ms;
}

.book-loading span {
  width: 70px;
  height: 1px;
  overflow: hidden;
  background: oklch(1 0 0 / 0.14);
}

.book-loading span::after {
  display: block;
  width: 44%;
  height: 100%;
  content: "";
  background: var(--red-500);
  animation: book-loading 1.1s ease-in-out infinite alternate;
}

.book-stage.is-ready .book-loading {
  visibility: hidden;
  opacity: 0;
}

.book-fallback {
  display: none;
  width: min(72%, 410px);
  filter: drop-shadow(30px 36px 35px oklch(0 0 0 / 0.44));
  transform: rotate(-2deg);
}

.book-fallback img {
  outline: 1px solid oklch(1 0 0 / 0.1);
}

.book-stage.is-fallback #book-canvas,
.book-stage.is-fallback .book-loading {
  display: none;
}

.book-stage.is-fallback .book-fallback {
  display: block;
}

.drag-note {
  position: absolute;
  inset: auto 0 9px;
  margin: 0;
  color: var(--muted-light);
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-align: center;
  text-transform: uppercase;
}

@keyframes book-loading {
  from { transform: translateX(-65%); }
  to { transform: translateX(165%); }
}

.release-meta {
  position: relative;
  z-index: 2;
  align-self: end;
  padding-block-end: 70px;
}

.release-number {
  display: block;
  margin-block-end: 28px;
  color: var(--red-500);
  font-family: var(--serif);
  font-size: clamp(3.2rem, 5vw, 6rem);
  line-height: 0.8;
  font-variant-numeric: tabular-nums;
}

.release-meta dl {
  display: grid;
  gap: 16px;
  margin: 0;
}

.release-meta dl div {
  padding-block-start: 12px;
  border-block-start: 1px solid oklch(1 0 0 / 0.12);
}

.release-meta dt {
  margin-block-end: 4px;
  color: var(--muted-light);
  font-size: 0.61rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.release-meta dd {
  margin: 0;
  font-family: var(--serif);
  font-size: 0.95rem;
  line-height: 1.35;
}

.scroll-cue {
  position: absolute;
  inset: auto auto 28px 50%;
  z-index: 2;
  display: grid;
  justify-items: center;
  gap: 10px;
  color: var(--muted-light);
  font-size: 0.59rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-decoration: none;
  text-transform: uppercase;
  transform: translateX(-50%);
}

.scroll-cue i {
  display: block;
  width: 1px;
  height: 34px;
  overflow: hidden;
  background: oklch(1 0 0 / 0.18);
}

.scroll-cue i::after {
  display: block;
  width: 100%;
  height: 50%;
  content: "";
  background: var(--red-500);
  animation: scroll-line 1.8s infinite cubic-bezier(0.2, 0, 0, 1);
}

@keyframes scroll-line {
  from {
    transform: translateY(-110%);
  }
  to {
    transform: translateY(220%);
  }
}

.library-section {
  padding: clamp(100px, 13vw, 190px) max(4vw, calc((100vw - 1440px) / 2));
  color: var(--ink-950);
  background:
    radial-gradient(circle at 0 10%, oklch(0.49 0.162 28 / 0.08), transparent 28%),
    var(--paper-100);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(180px, 0.3fr) minmax(300px, 0.9fr) minmax(260px, 0.6fr);
  gap: 40px;
  align-items: start;
  margin-block-end: clamp(70px, 9vw, 140px);
}

.section-heading h2 {
  max-width: 16ch;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(2.7rem, 5vw, 6.2rem);
  font-weight: 500;
  line-height: 0.94;
  letter-spacing: -0.058em;
  text-wrap: balance;
}

.section-heading > p:last-child {
  max-width: 45ch;
  margin: 0;
  color: var(--muted-dark);
  font-family: var(--serif);
  font-size: 1.04rem;
  line-height: 1.6;
  text-wrap: pretty;
}

.featured-release {
  display: grid;
  grid-template-columns: minmax(300px, 1.06fr) minmax(320px, 0.94fr);
  min-height: 760px;
  overflow: hidden;
  background: var(--paper-200);
  box-shadow:
    0 30px 80px oklch(0.2 0.02 30 / 0.14),
    inset 0 1px oklch(1 0 0 / 0.35);
}

.featured-image {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 600px;
  padding: clamp(34px, 6vw, 92px);
  overflow: hidden;
  background:
    linear-gradient(135deg, oklch(0.84 0.05 77), oklch(0.93 0.025 78));
}

.featured-image::after {
  position: absolute;
  content: "INNERGREADS / 001";
  inset: auto auto 22px 26px;
  color: oklch(0.2 0.02 30 / 0.5);
  font-size: 0.6rem;
  font-weight: 800;
  letter-spacing: 0.18em;
}

.featured-image img {
  width: min(100%, 650px);
  outline: 1px solid oklch(0 0 0 / 0.1);
  box-shadow: 0 30px 60px oklch(0.2 0.02 30 / 0.18);
}

.featured-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(42px, 7vw, 110px);
}

.release-kicker {
  margin: 0 0 22px;
  color: var(--red-600);
  font-size: 0.69rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.featured-copy h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(2.7rem, 4.6vw, 5.8rem);
  font-weight: 500;
  line-height: 0.93;
  letter-spacing: -0.057em;
  text-wrap: balance;
}

.featured-copy > p:not(.release-kicker) {
  max-width: 58ch;
  color: var(--muted-dark);
  font-family: var(--serif);
  font-size: 1rem;
  line-height: 1.6;
}

.featured-copy .featured-lede {
  margin-block-start: 28px;
  color: var(--ink-950);
  font-size: clamp(1.1rem, 1.5vw, 1.35rem);
}

.format-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
  background: oklch(0.2 0.02 30 / 0.16);
}

.format-list li {
  display: grid;
  gap: 5px;
  min-width: 0;
  padding: 18px 14px;
  background: var(--paper-200);
  font-size: 0.67rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.format-list span {
  color: var(--red-600);
  font-family: var(--serif);
  font-size: 1.7rem;
  letter-spacing: -0.04em;
  font-variant-numeric: tabular-nums;
}

.next-frequency-section {
  padding: clamp(100px, 13vw, 190px) max(4vw, calc((100vw - 1440px) / 2));
  overflow: hidden;
  color: var(--ink-950);
  background:
    linear-gradient(90deg, var(--red-500) 0 12px, transparent 12px),
    var(--paper-200);
}

.next-frequency-heading {
  display: grid;
  grid-template-columns: minmax(180px, 0.32fr) minmax(320px, 0.92fr) minmax(280px, 0.58fr);
  gap: clamp(28px, 5vw, 76px);
  align-items: start;
  margin-block-end: clamp(54px, 8vw, 104px);
}

.next-frequency-heading h2 {
  max-width: 12ch;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(3rem, 5.7vw, 7.2rem);
  font-weight: 500;
  line-height: 0.91;
  letter-spacing: -0.062em;
  text-wrap: balance;
}

.frequency-status {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 26px 0 0;
  color: var(--red-600);
  font-size: 0.66rem;
  font-weight: 800;
  letter-spacing: 0.11em;
  line-height: 1.4;
  text-transform: uppercase;
}

.frequency-status span {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  background: var(--red-500);
  border-radius: 50%;
  box-shadow: 0 0 0 5px oklch(0.49 0.162 28 / 0.12);
}

.next-frequency-copy {
  display: grid;
  gap: 28px;
}

.next-frequency-copy p {
  margin: 0;
  color: var(--muted-dark);
  font-family: var(--serif);
  font-size: 1.04rem;
  line-height: 1.62;
  text-wrap: pretty;
}

.next-frequency-copy .button {
  justify-self: start;
}

.study-rail {
  display: grid;
  grid-auto-columns: minmax(320px, min(39vw, 560px));
  grid-auto-flow: column;
  gap: clamp(18px, 2.4vw, 34px);
  padding: 8px 4px 26px;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  scroll-snap-type: inline mandatory;
  scrollbar-color: var(--red-500) oklch(0.2 0.02 30 / 0.12);
  scrollbar-width: thin;
}

.study-rail:focus-visible {
  outline: 3px solid oklch(0.49 0.162 28 / 0.38);
  outline-offset: 6px;
}

.study-card {
  margin: 0;
  scroll-snap-align: start;
}

.study-card img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  outline: 1px solid oklch(0 0 0 / 0.1);
  box-shadow: 0 24px 54px oklch(0.2 0.02 30 / 0.14);
}

.study-card figcaption {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  margin-block-start: 16px;
  color: var(--ink-950);
  font-family: var(--serif);
  font-size: clamp(1.05rem, 1.5vw, 1.34rem);
}

.study-card figcaption span {
  color: var(--red-600);
  font-family: var(--sans);
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  white-space: nowrap;
}

.study-swipe-note {
  margin: 12px 4px 0;
  color: var(--muted-dark);
  font-size: 0.64rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.inside-section {
  display: grid;
  grid-template-columns: minmax(250px, 0.55fr) minmax(320px, 0.75fr) minmax(320px, 0.7fr);
  gap: clamp(32px, 6vw, 100px);
  align-items: start;
  padding: clamp(100px, 13vw, 190px) max(4vw, calc((100vw - 1440px) / 2));
  background: var(--ink-900);
}

.inside-intro {
  position: sticky;
  inset-block-start: 50px;
}

.inside-intro h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(3rem, 5vw, 6.4rem);
  font-weight: 500;
  line-height: 0.92;
  letter-spacing: -0.06em;
  text-wrap: balance;
}

.inside-intro > p:last-child {
  max-width: 40ch;
  margin-block-start: 26px;
  color: var(--muted-light);
  font-family: var(--serif);
  line-height: 1.6;
}

.contents-frame {
  padding: 9px;
  background: var(--paper-100);
  box-shadow: 0 26px 60px oklch(0 0 0 / 0.32);
  transform: rotate(-1.5deg);
}

.contents-frame img {
  width: 100%;
  outline: 1px solid oklch(0 0 0 / 0.1);
}

.verse-index {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: verse;
}

.verse-index li {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 18px;
  align-items: baseline;
  padding: 14px 0;
  color: var(--paper-100);
  font-family: var(--serif);
  font-size: clamp(0.95rem, 1.2vw, 1.14rem);
  line-height: 1.35;
  border-block-end: 1px solid oklch(1 0 0 / 0.1);
}

.verse-index span {
  color: var(--red-500);
  font-family: var(--sans);
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  font-variant-numeric: tabular-nums;
}

.manifesto {
  display: grid;
  place-items: center;
  min-height: 74svh;
  padding: 100px 5vw;
  color: var(--ink-950);
  text-align: center;
  background: var(--red-500);
}

.manifesto blockquote {
  position: relative;
  max-width: 20ch;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(3rem, 7vw, 9rem);
  line-height: 0.93;
  letter-spacing: -0.065em;
  text-wrap: balance;
}

.manifesto blockquote > span {
  position: absolute;
  inset: -0.25em auto auto -0.55em;
  color: oklch(0.2 0.02 30 / 0.16);
  font-size: 2em;
}

.manifesto em {
  display: block;
  color: var(--paper-100);
}

.imprint-section {
  display: grid;
  grid-template-columns: minmax(300px, 0.9fr) minmax(320px, 0.75fr);
  gap: clamp(50px, 10vw, 160px);
  align-items: center;
  padding: clamp(100px, 13vw, 190px) max(4vw, calc((100vw - 1440px) / 2));
  color: var(--ink-950);
  background: var(--paper-100);
}

.imprint-mark {
  position: relative;
  display: grid;
  place-items: center;
  width: min(45vw, 560px);
  aspect-ratio: 1;
  margin-inline: auto;
  color: var(--red-600);
  font-family: var(--serif);
  font-size: clamp(7rem, 18vw, 18rem);
  border: 1px solid oklch(0.2 0.02 30 / 0.18);
  border-radius: 50%;
}

.imprint-mark span {
  position: absolute;
  mix-blend-mode: multiply;
}

.imprint-mark span:first-child {
  transform: translateX(-0.16em);
}

.imprint-mark span:last-child {
  transform: translateX(0.16em);
}

.imprint-copy h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(3.2rem, 7vw, 8rem);
  font-weight: 500;
  line-height: 0.9;
  letter-spacing: -0.065em;
}

.imprint-copy > p {
  max-width: 58ch;
  color: var(--muted-dark);
  font-family: var(--serif);
  font-size: 1.05rem;
  line-height: 1.6;
}

.imprint-copy .imprint-lede {
  color: var(--ink-950);
  font-size: clamp(1.3rem, 2vw, 1.85rem);
  line-height: 1.35;
}

.imprint-links {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  margin-block-start: 34px;
}

.imprint-links a {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-height: 44px;
  color: var(--red-600);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.next-releases {
  padding: clamp(100px, 13vw, 190px) max(4vw, calc((100vw - 1440px) / 2));
  background: var(--ink-950);
}

.section-heading-dark {
  grid-template-columns: minmax(180px, 0.3fr) 1fr;
  color: var(--white);
}

.section-heading-dark h2 {
  max-width: 18ch;
}

.shelf {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: oklch(1 0 0 / 0.12);
}

.shelf-card {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 420px;
  padding: 28px;
  overflow: hidden;
  background: var(--ink-900);
}

.shelf-card::after {
  position: absolute;
  content: "";
  width: 260px;
  aspect-ratio: 1;
  inset: auto -130px -130px auto;
  border: 1px solid oklch(1 0 0 / 0.08);
  border-radius: 50%;
  transition-property: transform;
  transition-duration: 300ms;
  transition-timing-function: cubic-bezier(0.2, 0, 0, 1);
}

.shelf-card:hover::after {
  transform: scale(1.18);
}

.shelf-card-live {
  background:
    linear-gradient(145deg, oklch(0.49 0.162 28 / 0.88), var(--red-600));
}

.shelf-number {
  color: var(--paper-300);
  font-family: var(--serif);
  font-size: 4.4rem;
  line-height: 1;
  letter-spacing: -0.06em;
  font-variant-numeric: tabular-nums;
}

.shelf-card p,
.shelf-card span:last-child {
  margin: 0;
  color: var(--muted-light);
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.shelf-card h3 {
  max-width: 11ch;
  margin: 9px 0 16px;
  font-family: var(--serif);
  font-size: clamp(2rem, 3vw, 3.5rem);
  font-weight: 500;
  line-height: 0.95;
  letter-spacing: -0.05em;
  text-wrap: balance;
}

.site-footer {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 32px;
  align-items: center;
  padding: 54px max(4vw, calc((100vw - 1440px) / 2));
  color: var(--paper-100);
  background: oklch(0.11 0.01 24);
  border-block-start: 1px solid oklch(1 0 0 / 0.1);
}

.site-footer p,
.site-footer > a:last-child {
  color: var(--muted-light);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.site-footer > a:last-child {
  justify-self: end;
  min-height: 44px;
  align-content: center;
}

.footer-center {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
}

.footer-center p {
  margin: 0;
}

.mobile-buy {
  display: none;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition-property: opacity, transform;
  transition-duration: 700ms;
  transition-timing-function: cubic-bezier(0.2, 0, 0, 1);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.hero .reveal:nth-child(2) { transition-delay: 80ms; }
.hero .reveal:nth-child(3) { transition-delay: 160ms; }
.hero .reveal:nth-child(4) { transition-delay: 240ms; }

@media (max-width: 1100px) {
  :root {
    --header-height: 88px;
  }

  .hero {
    grid-template-columns: 1fr minmax(280px, 0.72fr);
    padding-block-end: 110px;
  }

  .release-meta {
    position: absolute;
    inset: auto 5vw 32px auto;
    display: flex;
    align-items: end;
    gap: 25px;
    padding: 0;
  }

  .release-meta dl {
    display: none;
  }

  .release-number {
    margin: 0;
  }

  .section-heading {
    grid-template-columns: minmax(160px, 0.3fr) 1fr;
  }

  .section-heading > p:last-child {
    grid-column: 2;
  }

  .next-frequency-heading {
    grid-template-columns: minmax(160px, 0.3fr) 1fr;
  }

  .next-frequency-copy {
    grid-column: 2;
  }

  .inside-section {
    grid-template-columns: minmax(300px, 0.8fr) minmax(300px, 1fr);
  }

  .inside-intro {
    position: static;
    grid-column: 1 / -1;
  }
}

@media (max-width: 780px) {
  :root {
    --container: calc(100vw - 36px);
  }

  .site-header {
    position: absolute;
  }

  .brand-copy em {
    display: none;
  }

  .menu-toggle {
    position: relative;
    z-index: 60;
    display: block;
  }

  .menu-open .menu-toggle span:first-child {
    transform: translateY(3.5px) rotate(45deg);
  }

  .menu-open .menu-toggle span:nth-child(2) {
    transform: translateY(-3.5px) rotate(-45deg);
  }

  .site-nav {
    position: fixed;
    inset: 0;
    z-index: 55;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 8px;
    padding: 90px 28px;
    visibility: hidden;
    opacity: 0;
    background: var(--ink-950);
    transform: translateY(-14px);
    transition-property: opacity, transform, visibility;
    transition-duration: 240ms;
    transition-timing-function: cubic-bezier(0.2, 0, 0, 1);
  }

  .menu-open .site-nav {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
  }

  .site-nav a {
    width: 100%;
    min-height: 62px;
    font-family: var(--serif);
    font-size: clamp(1.8rem, 9vw, 3rem);
    font-weight: 500;
    letter-spacing: -0.04em;
    text-transform: none;
    border-block-end: 1px solid oklch(1 0 0 / 0.1);
  }

  .site-nav .nav-socials {
    width: 100%;
    gap: 12px;
    margin-block-start: 20px;
  }

  .site-nav .social-icon-link {
    flex-basis: 52px;
    width: 52px;
    height: 52px;
    min-width: 52px;
    min-height: 52px;
    max-width: 52px;
    font-family: inherit;
    font-size: inherit;
    border-block-end: 0;
  }

  .hero {
    grid-template-columns: minmax(0, 1fr);
    gap: 55px;
    min-height: auto;
    padding: 130px 22px 110px;
  }

  .hero-copy {
    width: 100%;
    min-width: 0;
  }

  .hero h1 {
    font-size: clamp(3.6rem, 17vw, 6.8rem);
  }

  .hero-actions,
  .featured-actions {
    align-items: stretch;
    flex-direction: column;
    gap: 12px;
  }

  .hero-actions .button,
  .featured-actions .button {
    width: 100%;
  }

  .book-stage,
  #book-canvas {
    min-height: 470px;
    height: 470px;
  }

  .drag-note {
    display: none;
  }

  .release-meta {
    position: static;
    justify-content: flex-start;
  }

  .release-meta dl {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }

  .scroll-cue {
    display: none;
  }

  .section-heading,
  .section-heading-dark {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .section-heading > p:last-child {
    grid-column: auto;
  }

  .next-frequency-section {
    padding-inline: 22px;
    background:
      linear-gradient(90deg, var(--red-500) 0 7px, transparent 7px),
      var(--paper-200);
  }

  .next-frequency-heading {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .next-frequency-copy {
    grid-column: auto;
  }

  .next-frequency-copy .button {
    width: 100%;
  }

  .study-rail {
    grid-auto-columns: minmax(84vw, 84vw);
    margin-inline-end: -22px;
  }

  .featured-release {
    grid-template-columns: 1fr;
  }

  .featured-image {
    min-height: 440px;
    padding: 26px;
  }

  .featured-copy {
    padding: 44px 24px 54px;
  }

  .format-list {
    grid-template-columns: 1fr;
  }

  .inside-section {
    grid-template-columns: 1fr;
    padding-inline: 22px;
  }

  .inside-intro {
    grid-column: auto;
  }

  .contents-frame {
    transform: none;
  }

  .imprint-section {
    grid-template-columns: 1fr;
  }

  .imprint-mark {
    width: min(80vw, 480px);
  }

  .shelf {
    grid-template-columns: 1fr;
  }

  .shelf-card {
    min-height: 300px;
  }

  .site-footer {
    grid-template-columns: 1fr;
    padding-block-end: 100px;
  }

  .footer-center {
    align-items: flex-start;
    justify-content: flex-start;
    flex-direction: column;
  }

  .site-footer > a:last-child {
    justify-self: start;
  }

  .mobile-buy {
    position: fixed;
    z-index: 45;
    inset: auto 12px 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 56px;
    padding: 0 18px;
    color: var(--white);
    background: var(--red-500);
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-decoration: none;
    text-transform: uppercase;
    box-shadow: 0 12px 32px oklch(0 0 0 / 0.32);
    transition-property: transform, background-color;
    transition-duration: 180ms;
  }

  .mobile-buy:active {
    transform: scale(0.96);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  .intro {
    display: none;
  }

  .book-loading span::after {
    animation: none;
  }
}