:root {
    --black: #090a09;
    --charcoal: #151715;
    --ink: #1c211e;
    --paper: #f2efe7;
    --white: #fff;
    --gold: #c7a86b;
    --gold-dark: #80612d;
    --line-dark: rgba(255, 255, 255, 0.17);
    --line-light: rgba(28, 33, 30, 0.18);
    --muted-light: rgba(255, 255, 255, 0.72);
    --muted-dark: rgba(28, 33, 30, 0.7);
    --display: "Crimson Pro", Georgia, "Times New Roman", serif;
    --body: "Be Vietnam Pro", Helvetica, Arial, sans-serif;
    --copy: "Be Vietnam Pro", Helvetica, Arial, sans-serif;
    --accent: "Be Vietnam Pro", Helvetica, Arial, sans-serif;
    --content: 1320px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 92px;
}

body {
    margin: 0;
    overflow-x: hidden;
    background: var(--black);
    color: var(--white);
    font-family: var(--copy);
    font-weight: 400;
    line-height: 1.55;
    text-rendering: optimizeLegibility;
}

p,
li,
blockquote,
input,
button,
select,
textarea {
    font-family: var(--copy);
    font-weight: 400;
}

body.menu-open {
    overflow: hidden;
}

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

a {
    color: inherit;
}

button,
input {
    font: inherit;
}

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

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

h1,
h2,
h3 {
    font-family: var(--display);
    font-weight: 300;
    text-wrap: balance;
}

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

.skip-link {
    position: fixed;
    z-index: 1000;
    top: 12px;
    left: 12px;
    padding: 12px 16px;
    background: var(--white);
    color: var(--ink);
    font-weight: 700;
    transform: translateY(-160%);
}

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

:focus-visible {
    outline: 3px solid #f3cf82;
    outline-offset: 4px;
}

.site-header {
    position: fixed;
    inset: 0 0 auto;
    z-index: 50;
    padding: 0 clamp(18px, 4vw, 58px);
    border-bottom: 1px solid var(--line-dark);
    background: rgba(9, 10, 9, 0.98);
    transition: background 180ms ease, border-color 180ms ease;
}

.site-header.is-scrolled,
.site-header.is-open {
    border-color: var(--line-dark);
    background: rgba(9, 10, 9, 0.96);
    backdrop-filter: blur(16px);
}

.header-inner {
    width: min(100%, var(--content));
    min-height: 88px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
}

.brand {
    width: clamp(185px, 18vw, 258px);
    flex: 0 0 auto;
}

.brand img {
    width: 100%;
    height: auto;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: clamp(20px, 2.4vw, 38px);
}

.site-nav a {
    color: rgba(255, 255, 255, 0.88);
    font-family: var(--display);
    font-size: 15px;
    font-weight: 800;
    letter-spacing: 0.06em;
    text-decoration: none;
    text-transform: uppercase;
}

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

.site-nav .nav-contact {
    min-height: 42px;
    padding: 0 17px;
    display: inline-flex;
    align-items: center;
    border: 1px solid rgba(255, 255, 255, 0.66);
}

.menu-toggle {
    display: none;
}

.hero {
    position: relative;
    min-height: 0;
    padding-top: 88px;
    isolation: isolate;
    overflow: hidden;
    background: #090a09;
}

.hero-slides {
    position: relative;
    width: 100%;
    aspect-ratio: 2500 / 870;
    overflow: hidden;
    background: #000;
}

.hero-slide {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    margin: 0;
    opacity: 0;
    visibility: hidden;
    transition: opacity 900ms ease, visibility 900ms ease;
}

.hero-slide.is-active {
    opacity: 1;
    visibility: visible;
}

.hero-slide img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: contain;
    object-position: center;
}

.hero-asset-pending {
    width: 100%;
    height: 100%;
    display: grid;
    place-items: center;
    background: linear-gradient(110deg, rgba(199, 168, 107, 0.08), rgba(255, 255, 255, 0.02)), #151715;
    color: rgba(255, 255, 255, 0.58);
    font-family: var(--accent);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-align: center;
    text-transform: uppercase;
}

.hero-slide figcaption {
    display: none;
}

.hero-content {
    position: relative;
    z-index: 3;
    width: min(100% - 40px, var(--content));
    min-height: 0;
    margin: 0 auto;
    padding: clamp(56px, 7vw, 100px) 0 clamp(72px, 8vw, 118px);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
}

.eyebrow {
    margin-bottom: 20px;
    color: var(--gold);
    font-family: var(--accent);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.24em;
    text-transform: uppercase;
}

.eyebrow-dark {
    color: var(--gold-dark);
}

.hero h1 {
    max-width: 1100px;
    margin-bottom: 24px;
    color: var(--white);
    font-size: clamp(48px, 5.5vw, 84px);
    line-height: 1.08;
    letter-spacing: normal;
}

.hero-intro {
    max-width: 650px;
    margin-bottom: 34px;
    color: rgba(255, 255, 255, 0.84);
    font-size: clamp(17px, 1.4vw, 22px);
}

.button {
    min-height: 54px;
    padding: 15px 24px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid transparent;
    border-radius: 0;
    font-family: var(--accent);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.16em;
    line-height: 1.2;
    text-align: center;
    text-decoration: none;
    text-transform: uppercase;
    cursor: pointer;
    transition: color 160ms ease, background 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.button:hover {
    transform: translateY(-2px);
}

.button-primary {
    border-color: var(--white);
    background: var(--white);
    color: var(--ink);
}

.button-primary:hover {
    border-color: var(--gold);
    background: var(--gold);
}

.button-note {
    margin: 12px 0 0;
    color: rgba(255, 255, 255, 0.64);
    font-size: 12px;
}

.carousel-controls {
    position: relative;
    z-index: 5;
    width: min(100% - 40px, var(--content));
    min-height: 76px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 15px;
}

.carousel-current-caption {
    min-width: 0;
    max-width: min(46vw, 450px);
    margin: 0 0 0 auto;
    display: grid;
    text-align: right;
    color: rgba(255, 255, 255, 0.62);
    font-size: 10px;
    letter-spacing: 0.12em;
    line-height: 1.5;
    text-transform: uppercase;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.carousel-current-caption strong {
    color: var(--white);
    font-family: var(--display);
    font-size: 18px;
    font-weight: 400;
    letter-spacing: 0;
    line-height: 1.2;
    text-transform: none;
    overflow: hidden;
    text-overflow: ellipsis;
}

.carousel-arrow,
.carousel-dots button {
    border: 0;
    color: var(--white);
    background: transparent;
    cursor: pointer;
}

.carousel-arrow {
    width: 44px;
    height: 44px;
    border: 1px solid rgba(255, 255, 255, 0.38);
    font-size: 19px;
}

.carousel-dots {
    display: flex;
    align-items: center;
    gap: 9px;
}

.carousel-dots button {
    width: 28px;
    height: 28px;
    position: relative;
}

.carousel-dots button::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.44);
    transform: translate(-50%, -50%);
}

.carousel-dots button[aria-current="true"]::after {
    width: 9px;
    height: 9px;
    background: var(--white);
}

.about-section {
    padding: clamp(96px, 12vw, 190px) max(22px, calc((100vw - var(--content)) / 2));
    display: grid;
    grid-template-columns: 80px minmax(300px, 0.92fr) minmax(320px, 0.72fr);
    gap: clamp(24px, 5vw, 82px);
    background: var(--paper);
    color: var(--ink);
}

.section-number {
    padding-top: 8px;
    color: var(--gold-dark);
    font-family: var(--accent);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.16em;
}

.about-heading h2,
.book-heading h2,
.signup-copy h2,
.final-cta h2 {
    margin-bottom: 0;
    font-size: clamp(42px, 5.3vw, 82px);
    line-height: 1.04;
    letter-spacing: normal;
}

.about-copy {
    max-width: 610px;
    padding-top: 52px;
}

.about-copy p {
    color: var(--muted-dark);
    font-size: clamp(16px, 1.25vw, 20px);
    line-height: 1.55;
}

.about-copy p + p {
    margin-top: 30px;
}

.explainer-section {
    padding: clamp(72px, 9vw, 138px) max(22px, calc((100vw - var(--content)) / 2));
    display: grid;
    grid-template-columns: minmax(260px, 0.42fr) minmax(480px, 1fr);
    gap: clamp(42px, 8vw, 120px);
    align-items: center;
    background: #0b0d0c;
}

.explainer-copy h2 {
    margin-bottom: 24px;
    color: var(--white);
    font-size: clamp(44px, 5.4vw, 82px);
    line-height: 1.04;
    letter-spacing: normal;
}

.explainer-copy > p:last-child {
    max-width: 470px;
    margin-bottom: 0;
    color: var(--muted-light);
    font-size: clamp(16px, 1.25vw, 20px);
    line-height: 1.55;
}

.explainer-media {
    min-width: 0;
}

.explainer-media video {
    width: 100%;
    aspect-ratio: 16 / 9;
    display: block;
    border: 1px solid var(--line-dark);
    background: #000;
    object-fit: cover;
}

.explainer-media blockquote {
    max-width: 780px;
    margin: 24px 0 0;
    color: rgba(255, 255, 255, 0.58);
    font-family: var(--display);
    font-size: clamp(20px, 2vw, 28px);
    font-style: italic;
    font-weight: 300;
    line-height: 1.35;
}

.explainer-media cite {
    white-space: nowrap;
    font-family: var(--body);
    font-size: 14px;
    font-style: italic;
}

.biography-link {
    margin-top: 30px;
    padding: 4px 0 8px;
    display: inline-block;
    border-bottom: 1px solid var(--gold);
    color: var(--gold);
    font-family: var(--accent);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-decoration: none;
    text-transform: uppercase;
}

.biography-link:hover,
.biography-link:focus-visible {
    border-bottom-color: var(--white);
    color: var(--white);
}

.biography-dialog {
    width: min(920px, calc(100% - 36px));
    max-height: min(86dvh, 900px);
    padding: 0;
    border: 1px solid rgba(199, 168, 107, 0.65);
    background: var(--paper);
    color: var(--ink);
    box-shadow: 0 30px 100px rgba(0, 0, 0, 0.46);
    overflow: hidden;
}

.biography-dialog::backdrop {
    background: rgba(5, 7, 6, 0.82);
    backdrop-filter: blur(5px);
}

.biography-dialog-panel {
    max-height: min(86dvh, 900px);
    overflow-y: auto;
    overscroll-behavior: contain;
    scrollbar-gutter: stable;
}

.biography-dialog-header {
    padding: clamp(28px, 5vw, 52px);
    position: sticky;
    z-index: 2;
    top: 0;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 28px;
    border-bottom: 1px solid rgba(28, 34, 31, 0.14);
    background: rgba(247, 244, 236, 0.98);
}

.biography-dialog-header h2 {
    margin: 12px 0 0;
    font-size: clamp(36px, 5vw, 62px);
    line-height: 1.02;
}

.biography-dialog-close {
    width: 46px;
    height: 46px;
    flex: 0 0 46px;
    border: 1px solid rgba(28, 34, 31, 0.28);
    border-radius: 50%;
    background: transparent;
    color: var(--ink);
    font-size: 28px;
    line-height: 1;
    cursor: pointer;
}

.biography-dialog-close:hover,
.biography-dialog-close:focus-visible {
    border-color: var(--gold-dark);
    color: var(--gold-dark);
}

.biography-dialog-body {
    padding: 0 clamp(28px, 5vw, 52px) clamp(42px, 6vw, 68px);
}

.biography-dialog-body section {
    padding-top: clamp(34px, 5vw, 54px);
}

.biography-dialog-body section + section {
    margin-top: clamp(34px, 5vw, 54px);
    border-top: 1px solid rgba(28, 34, 31, 0.14);
}

.biography-dialog-body h3 {
    margin-bottom: 22px;
    color: var(--gold-dark);
    font-size: clamp(28px, 3.5vw, 42px);
    line-height: 1.08;
}

.biography-dialog-body p {
    max-width: 760px;
    color: var(--muted-dark);
    font-size: clamp(16px, 1.45vw, 19px);
    line-height: 1.72;
}

.biography-dialog-body p + p {
    margin-top: 24px;
}

.signup-section {
    padding: clamp(72px, 9vw, 138px) max(22px, calc((100vw - var(--content)) / 2));
    display: grid;
    grid-template-columns: minmax(300px, 0.9fr) minmax(360px, 0.68fr);
    gap: clamp(48px, 9vw, 150px);
    background:
        radial-gradient(circle at 14% 10%, rgba(199, 168, 107, 0.12), transparent 34%),
        var(--charcoal);
}

.signup-copy h2 {
    color: var(--white);
}

.signup-copy > p:not(.eyebrow) {
    max-width: 610px;
    margin: 28px 0;
    color: var(--muted-light);
    font-size: clamp(17px, 1.4vw, 21px);
    line-height: 1.55;
}

.signup-benefits {
    margin: 35px 0 0;
    padding: 0;
    list-style: none;
    border-top: 1px solid var(--line-dark);
}

.signup-benefits li {
    padding: 16px 0 16px 25px;
    position: relative;
    border-bottom: 1px solid var(--line-dark);
    color: rgba(255, 255, 255, 0.82);
}

.signup-benefits li::before {
    content: "+";
    position: absolute;
    left: 0;
    color: var(--gold);
}

.signup-form {
    padding: clamp(26px, 3.4vw, 48px);
    background: var(--white);
    color: var(--ink);
    box-shadow: 0 32px 90px rgba(0, 0, 0, 0.26);
}

.form-heading {
    margin-bottom: 30px;
    display: grid;
    gap: 5px;
}

.form-heading span {
    color: var(--gold-dark);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.form-heading strong {
    font-family: var(--display);
    font-size: clamp(38px, 4vw, 52px);
    font-weight: 300;
}

.field + .field {
    margin-top: 19px;
}

.field label {
    display: block;
    margin-bottom: 8px;
    color: rgba(28, 33, 30, 0.78);
    font-family: var(--accent);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.field input {
    width: 100%;
    min-height: 54px;
    padding: 13px 14px;
    border: 1px solid rgba(28, 33, 30, 0.28);
    border-radius: 0;
    background: #fbfaf7;
    color: var(--ink);
}

.field input[aria-invalid="true"] {
    border-color: #a83232;
}

.field-error {
    min-height: 18px;
    margin-top: 6px;
    display: block;
    color: #8d2323;
    font-size: 12px;
}

.consent {
    margin-top: 20px;
    display: grid;
    grid-template-columns: 21px 1fr;
    gap: 11px;
    align-items: start;
    color: var(--muted-dark);
    cursor: pointer;
    font-size: 13px;
}

.consent input {
    width: 19px;
    height: 19px;
    margin: 2px 0 0;
    accent-color: var(--ink);
}

.button-form {
    width: 100%;
    margin-top: 8px;
    border-color: var(--ink);
    background: var(--ink);
    color: var(--white);
}

.button-form:hover {
    border-color: var(--gold-dark);
    background: var(--gold-dark);
}

.button-form[disabled] {
    opacity: 0.64;
    cursor: wait;
    transform: none;
}

.form-privacy,
.form-status {
    margin: 13px 0 0;
    color: rgba(28, 33, 30, 0.62);
    font-size: 12px;
}

.form-privacy a {
    font-weight: 700;
}

.form-status:not(:empty),
.form-alert {
    margin-bottom: 20px;
    padding: 12px 14px;
    border: 1px solid rgba(141, 35, 35, 0.32);
    background: rgba(141, 35, 35, 0.06);
    color: #761d1d;
    font-size: 13px;
}

.honeypot {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.book-section {
    padding: clamp(72px, 9vw, 148px) max(22px, calc((100vw - var(--content)) / 2));
    background: var(--paper);
    color: var(--ink);
}

.book-heading {
    max-width: 900px;
    margin-bottom: clamp(42px, 6vw, 80px);
}

.book-heading > p:last-child {
    max-width: 680px;
    margin: 25px 0 0;
    color: var(--muted-dark);
    font-size: clamp(16px, 1.3vw, 20px);
    line-height: 1.55;
}

.edition-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(24px, 4vw, 54px);
    align-items: stretch;
}

.edition-card {
    position: relative;
    display: grid;
    grid-template-rows: auto 1fr;
    border: 1px solid var(--line-light);
    background: #faf8f2;
}

.edition-card-featured {
    border: 2px solid var(--gold-dark);
    box-shadow: 0 26px 70px rgba(90, 69, 32, 0.16);
}

.featured-tag {
    position: absolute;
    z-index: 2;
    top: 0;
    right: 0;
    padding: 10px 14px;
    background: var(--gold-dark);
    color: var(--white);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.book-image-placeholder {
    min-height: 390px;
    padding: 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    border-bottom: 1px solid var(--line-light);
    background:
        linear-gradient(135deg, transparent 0 47%, rgba(255, 255, 255, 0.08) 47% 53%, transparent 53%),
        #343d38;
    color: var(--white);
    text-align: center;
}

.collector-placeholder {
    background:
        linear-gradient(135deg, transparent 0 47%, rgba(255, 255, 255, 0.08) 47% 53%, transparent 53%),
        #201b13;
}

.book-image-placeholder.has-image {
    min-height: 0;
    aspect-ratio: 5 / 4;
    padding: 0;
    background: #eceae5;
    overflow: hidden;
}

.book-image-placeholder.has-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.standard-edition-image img {
    transform: scale(1.12);
    transform-origin: 50% 57%;
}

.book-image-placeholder span {
    font-family: var(--display);
    font-size: 28px;
}

.book-image-placeholder small {
    color: rgba(255, 255, 255, 0.62);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.edition-content {
    padding: clamp(26px, 3vw, 42px);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.edition-label {
    color: var(--gold-dark);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.edition-content h3 {
    margin-bottom: 18px;
    font-size: clamp(31px, 3vw, 46px);
    line-height: 1;
}

.edition-content > p:not(.edition-label) {
    color: var(--muted-dark);
}

.edition-price {
    width: 100%;
    margin: auto 0 24px;
    padding-top: 24px;
    display: grid;
    gap: 4px;
    border-top: 1px solid var(--line-light);
}

.edition-price strong {
    font-family: var(--display);
    font-size: 30px;
    font-weight: 300;
}

.edition-price span {
    color: var(--gold-dark);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.edition-price-tba strong {
    font-size: 23px;
}

.button-dark {
    border-color: var(--ink);
    background: var(--ink);
    color: var(--white);
}

.button-gold {
    border-color: var(--gold-dark);
    background: var(--gold-dark);
    color: var(--white);
}

.shipping-note {
    margin: 30px 0 0;
    color: rgba(28, 33, 30, 0.6);
    font-size: 12px;
}

.final-cta {
    min-height: 560px;
    padding: 80px 22px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background:
        linear-gradient(rgba(7, 8, 7, 0.72), rgba(7, 8, 7, 0.82)),
        url("COX199.jpg") center / cover no-repeat;
    color: var(--white);
    text-align: center;
}

.final-cta h2 {
    max-width: 980px;
    margin-bottom: 32px;
}

.final-cta > p:last-child {
    margin: 14px 0 0;
    color: var(--muted-light);
    font-size: 12px;
}

.site-footer {
    padding: clamp(50px, 7vw, 90px) max(22px, calc((100vw - var(--content)) / 2)) 26px;
    display: grid;
    grid-template-columns: minmax(260px, 0.9fr) minmax(440px, 1fr);
    gap: 65px;
    background: var(--black);
}

.footer-brand-logo {
    width: min(290px, 100%);
    aspect-ratio: 1162 / 416;
    display: block;
    overflow: hidden;
}

.footer-brand-logo img {
    width: 157.66%;
    max-width: none;
    height: auto;
    display: block;
    transform: translateX(-36.57%);
}

.footer-brand p {
    max-width: 440px;
    margin: 24px 0 0;
    color: var(--muted-light);
    font-size: 14px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 40px;
}

.footer-links > div {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 11px;
}

.footer-links h2 {
    margin-bottom: 10px;
    color: var(--gold);
    font-family: var(--accent);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.74);
    font-size: 14px;
    text-decoration: none;
}

.footer-links a:hover {
    color: var(--white);
    text-decoration: underline;
}

.footer-bottom {
    grid-column: 1 / -1;
    margin-top: 12px;
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    gap: 20px;
    border-top: 1px solid var(--line-dark);
    color: rgba(255, 255, 255, 0.48);
    font-size: 11px;
}

@media (max-width: 1120px) {
    .about-section {
        grid-template-columns: 50px minmax(280px, 0.9fr) minmax(300px, 0.8fr);
    }

    .book-image-placeholder {
        min-height: 340px;
    }

    .book-image-placeholder.has-image {
        min-height: 0;
    }
}

@media (max-width: 850px) {
    .site-header {
        padding: 0 18px;
    }

    .header-inner {
        min-height: 74px;
    }

    .brand {
        width: 190px;
    }

    .hero {
        padding-top: 74px;
    }

    .menu-toggle {
        width: 48px;
        height: 48px;
        padding: 0;
        position: relative;
        display: grid;
        place-items: center;
        border: 0;
        background: transparent;
        color: var(--white);
        cursor: pointer;
    }

    .menu-toggle::before,
    .menu-toggle::after,
    .menu-toggle > span:last-child {
        content: "";
        position: absolute;
        width: 24px;
        height: 1px;
        background: currentColor;
        transition: transform 160ms ease, opacity 160ms ease;
    }

    .menu-toggle::before {
        transform: translateY(-7px);
    }

    .menu-toggle::after {
        transform: translateY(7px);
    }

    .site-header.is-open .menu-toggle::before {
        transform: rotate(45deg);
    }

    .site-header.is-open .menu-toggle::after {
        transform: rotate(-45deg);
    }

    .site-header.is-open .menu-toggle > span:last-child {
        opacity: 0;
    }

    .site-nav {
        position: fixed;
        inset: 74px 0 auto;
        max-height: calc(100svh - 74px);
        padding: 25px 22px 34px;
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        overflow-y: auto;
        border-top: 1px solid var(--line-dark);
        background: rgba(9, 10, 9, 0.98);
    }

    .site-header.is-open .site-nav {
        display: flex;
    }

    .site-nav a {
        min-height: 54px;
        padding: 0 4px;
        display: flex;
        align-items: center;
        border-bottom: 1px solid var(--line-dark);
    }

    .site-nav .nav-contact {
        margin-top: 18px;
        justify-content: center;
        border: 1px solid rgba(255, 255, 255, 0.58);
    }

    .about-section,
    .explainer-section,
    .signup-section {
        grid-template-columns: 1fr;
    }

    .section-number {
        display: none;
    }

    .about-copy {
        padding-top: 0;
    }

    .signup-section {
        gap: 45px;
    }

    .site-footer {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        grid-column: auto;
    }
}

@media (max-width: 660px) {
    html {
        scroll-padding-top: 72px;
    }

    .hero-content {
        width: min(100% - 36px, var(--content));
        padding: 44px 0 68px;
        justify-content: flex-start;
    }

    .hero h1 {
        font-size: clamp(42px, 12vw, 58px);
    }

    .hero-intro {
        font-size: 16px;
    }

    .hero .button {
        width: 100%;
    }

    .carousel-controls {
        width: calc(100% - 36px);
        min-height: 66px;
        margin: 0 auto;
        gap: 5px;
    }

    .carousel-current-caption {
        max-width: 42vw;
        font-size: 9px;
    }

    .carousel-current-caption strong {
        font-size: 15px;
    }

    .carousel-arrow {
        display: none;
    }

    .about-section,
    .explainer-section,
    .signup-section,
    .book-section {
        padding-left: 20px;
        padding-right: 20px;
    }

    .about-heading h2,
    .book-heading h2,
    .signup-copy h2,
    .final-cta h2 {
        font-size: clamp(40px, 12vw, 58px);
    }

    .biography-dialog {
        width: calc(100% - 18px);
        max-height: calc(100dvh - 18px);
    }

    .biography-dialog-panel {
        max-height: calc(100dvh - 18px);
    }

    .biography-dialog-header {
        padding: 24px 20px;
        gap: 16px;
    }

    .biography-dialog-header h2 {
        font-size: clamp(34px, 10vw, 48px);
    }

    .biography-dialog-body {
        padding: 0 20px 38px;
    }

    .signup-form {
        margin: 0 -4px;
        padding: 25px 20px;
    }

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

    .book-image-placeholder {
        min-height: 300px;
    }

    .book-image-placeholder.has-image {
        min-height: 0;
    }

    .edition-content .button {
        width: 100%;
    }

    .final-cta {
        min-height: 500px;
    }

    .footer-links {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        display: grid;
    }
}

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

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

.book-checkout-message {
    max-width: 760px;
    margin: 0 auto 28px;
    padding: 14px 18px;
    border-left: 4px solid var(--gold);
    background: #fff8e7;
    color: #343434;
    font-weight: 600;
}

.preorder-open,
.biography-open { overflow: hidden; }

.preorder-dialog {
    width: min(1080px, calc(100% - 32px));
    max-height: calc(100dvh - 32px);
    padding: 0;
    border: 0;
    border-radius: 3px;
    background: #fff;
    color: var(--ink);
    box-shadow: 0 28px 90px rgba(0, 0, 0, 0.42);
}

.preorder-dialog::backdrop {
    background: rgba(10, 12, 13, 0.78);
    backdrop-filter: blur(4px);
}

.preorder-dialog-panel {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    min-height: 570px;
}

.preorder-dialog-close {
    position: absolute;
    z-index: 2;
    top: 13px;
    right: 15px;
    width: 42px;
    height: 42px;
    border: 1px solid rgba(20, 20, 20, 0.16);
    border-radius: 50%;
    background: #fff;
    color: #161616;
    font: 400 30px/1 var(--copy);
    cursor: pointer;
}

.preorder-dialog-close:hover,
.preorder-dialog-close:focus-visible { border-color: var(--gold-dark); color: var(--gold-dark); }

.preorder-dialog-copy {
    padding: 72px 48px 46px;
    background: linear-gradient(155deg, #f4f0e7 0%, #fff 75%);
}

.preorder-dialog-copy h2 {
    margin: 10px 0 18px;
    font-family: var(--display);
    font-size: clamp(2.45rem, 4vw, 3.65rem);
    font-weight: 400;
    line-height: 0.92;
}

.preorder-dialog-copy > p:not(.eyebrow) { font-size: 1rem; line-height: 1.65; }

.preorder-price-summary {
    display: grid;
    gap: 5px;
    margin: 34px 0 24px;
    padding: 22px 0;
    border-top: 1px solid rgba(20, 20, 20, 0.15);
    border-bottom: 1px solid rgba(20, 20, 20, 0.15);
}

.preorder-price-summary span,
.preorder-price-summary small {
    font-family: var(--copy);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.04em;
}

.preorder-price-summary strong {
    font-family: var(--display);
    font-size: 2.3rem;
    font-weight: 600;
    line-height: 1;
}

.preorder-calculation {
    display: grid;
    gap: 8px;
    margin: 12px 0 16px;
}

.preorder-calculation div {
    display: flex;
    justify-content: space-between;
    gap: 18px;
    padding-bottom: 7px;
    border-bottom: 1px solid rgba(16, 17, 16, 0.12);
}

.preorder-calculation dt,
.preorder-calculation dd {
    margin: 0;
    font-size: 0.9rem;
    line-height: 1.4;
}

.preorder-calculation dt { color: #5d5d5d; }
.preorder-calculation dd { color: var(--ink); font-weight: 700; text-align: right; }
.preorder-total-label { display: block; margin-top: 4px; }

.preorder-price-summary small { color: #765c19; line-height: 1.5; }
.preorder-secure-note { color: #5d5d5d; font-size: 0.88rem !important; }

.preorder-form {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    padding: 66px 52px 44px;
}

.preorder-customer-fields {
    min-width: 0;
    margin: 0 0 22px;
    padding: 0;
    border: 0;
}

.preorder-customer-fields legend {
    width: 100%;
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(20, 20, 20, 0.14);
    font-family: var(--copy);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.13em;
    text-transform: uppercase;
}

.preorder-fields-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.preorder-address-row { grid-template-columns: 1fr 1fr 0.82fr; }

.preorder-form .field { margin-bottom: 16px; }

.preorder-form label:not(.consent) {
    display: block;
    margin-bottom: 7px;
    font-family: var(--copy);
    font-size: 0.76rem;
    font-weight: 700;
}

.preorder-form input[type="text"],
.preorder-form input[type="email"],
.preorder-form input[type="tel"],
.preorder-form select {
    width: 100%;
    min-height: 49px;
    padding: 11px 13px;
    border: 1px solid #b9b9b9;
    border-radius: 0;
    background: #fff;
    color: #171717;
    font: 400 1rem/1.4 var(--copy);
}

.preorder-form input:focus,
.preorder-form select:focus { outline: 3px solid rgba(184, 143, 39, 0.25); outline-offset: 1px; border-color: var(--gold-dark); }
.preorder-form input[aria-invalid="true"] { border-color: #a32929; }

.field-hint {
    display: block;
    margin-top: 6px;
    color: #616161;
    font-size: 0.78rem;
    line-height: 1.45;
}

.preorder-dialog .pac-container {
    position: fixed !important;
    top: var(--pac-top) !important;
    left: var(--pac-left) !important;
    width: var(--pac-width) !important;
    z-index: 2147483647 !important;
    border: 1px solid #aaa;
    border-top: 0;
    border-radius: 0;
    background: #fff;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    font-family: var(--copy);
}

.preorder-dialog .pac-container.is-address-helper-closed {
    display: none !important;
}

.preorder-dialog .pac-item {
    min-height: 42px;
    padding: 8px 12px;
    border-top-color: #e3e3e3;
    color: #343434;
    font: 400 0.88rem/1.45 var(--copy);
    cursor: pointer;
}

.preorder-dialog .pac-item:hover,
.preorder-dialog .pac-item-selected { background: #f5f0e4; }
.preorder-dialog .pac-item-query { color: #151515; font: 600 0.9rem/1.45 var(--copy); }

.preorder-quantity-field { width: 120px; }
.preorder-checkout-fields { margin: 2px 0 12px; color: #555; font-size: 0.9rem; line-height: 1.5; }
.preorder-consent { margin: 4px 0 5px; color: #333; }
.preorder-consent a { color: inherit; text-decoration: underline; text-underline-offset: 2px; }
.preorder-submit { width: 100%; margin-top: 18px; }

.preorder-form-status {
    min-height: 42px;
    margin: 12px 0 0;
    color: #2e5a3c;
    font-size: 0.86rem;
    font-weight: 600;
    line-height: 1.45;
}

@media (max-width: 760px) {
    .preorder-dialog { width: min(100% - 18px, 600px); max-height: calc(100dvh - 18px); }
    .preorder-dialog-panel { display: block; min-height: 0; }
    .preorder-dialog-copy { padding: 54px 24px 20px; }
    .preorder-dialog-copy h2 { margin-bottom: 12px; font-size: 2.55rem; }
    .preorder-dialog-copy > p:not(.eyebrow) { margin-bottom: 0; }
    .preorder-price-summary { margin: 20px 0 14px; padding: 16px 0; }
    .preorder-secure-note { display: none; }
    .preorder-form { padding: 22px 24px 28px; }
    .preorder-fields-row { grid-template-columns: 1fr; gap: 0; }
}