:root {
    --peach: #f8c9c0;
    --cream: #fff2cf;
    --sage: #dceecb;
    --sky: #cbe6f2;
    --lavender: #ddd1ea;
    --pink: #f4dbea;
    --ink: #301f1b;
    --ink-soft: #604943;
    --muted: #836c65;
    --paper: #fffdfc;
    --paper-soft: #fbf7f5;
    --paper-deep: #f6efec;
    --line: rgba(177, 117, 105, 0.2);
    --accent: #d68176;
    --accent-dark: #bd675e;
    --shadow-sm: 0 8px 24px rgba(82, 46, 37, 0.08);
    --shadow-lg: 0 28px 70px rgba(82, 46, 37, 0.14);
    --headline: 'Special Elite', 'Courier New', monospace;
    --body: 'Nunito', system-ui, sans-serif;
}

[data-theme="dark"] {
    --ink: #fff6f1;
    --ink-soft: #e3d4cd;
    --muted: #b7a39a;
    --paper: #1d1715;
    --paper-soft: #251e1b;
    --paper-deep: #302724;
    --line: rgba(224, 163, 150, 0.22);
    --accent: #e29488;
    --accent-dark: #f0aaa0;
    --shadow-sm: 0 8px 24px rgba(0, 0, 0, 0.22);
    --shadow-lg: 0 28px 70px rgba(0, 0, 0, 0.34);
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 88px;
}

body {
    margin: 0;
    color: var(--ink);
    background: var(--paper);
    font-family: var(--body);
    font-size: 1rem;
    line-height: 1.65;
    overflow-x: hidden;
    transition: color 0.35s ease, background-color 0.35s ease;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    z-index: 1000;
    pointer-events: none;
    opacity: 0.025;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

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

a {
    color: inherit;
    text-decoration: none;
}

button,
input,
textarea {
    font: inherit;
}

h1,
h2,
h3 {
    margin: 0;
    font-family: var(--headline);
    font-weight: 400;
    line-height: 1.12;
    letter-spacing: 0.015em;
}

p {
    margin: 0;
    color: var(--ink-soft);
}

.skip-link {
    position: fixed;
    top: 0.75rem;
    left: 0.75rem;
    z-index: 2000;
    padding: 0.75rem 1rem;
    color: #fff;
    background: var(--accent-dark);
    border-radius: 999px;
    transform: translateY(-180%);
}

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

.site-header {
    position: fixed;
    inset: 0 0 auto;
    z-index: 500;
    min-height: 76px;
    border-bottom: 1px solid var(--line);
    background: color-mix(in srgb, var(--paper) 88%, transparent);
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
    transition: box-shadow 0.3s ease, background-color 0.3s ease;
}

.site-header.is-scrolled {
    box-shadow: var(--shadow-sm);
}

.nav-shell {
    width: min(1180px, calc(100% - 2.5rem));
    min-height: 76px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.brand {
    position: relative;
    z-index: 2;
    font-family: var(--headline);
    font-size: 1.2rem;
    white-space: nowrap;
}

.brand::after {
    content: '';
    position: absolute;
    right: 0;
    bottom: -0.35rem;
    left: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--peach), var(--lavender), var(--sky));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.25s ease;
}

.brand:hover::after,
.brand:focus-visible::after {
    transform: scaleX(1);
}

.site-nav {
    display: flex;
    align-items: center;
    gap: clamp(0.85rem, 2vw, 1.75rem);
}

.nav-links {
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
    gap: clamp(0.85rem, 2vw, 1.75rem);
    list-style: none;
}

.nav-link {
    position: relative;
    padding: 0.55rem 0;
    color: var(--ink-soft);
    font-size: 0.94rem;
    font-weight: 700;
}

.nav-link::after {
    content: '';
    position: absolute;
    right: 0;
    bottom: 0.25rem;
    left: 0;
    height: 2px;
    background: var(--accent);
    transform: scaleX(0);
    transition: transform 0.25s ease;
}

.nav-link:hover,
.nav-link:focus-visible,
.nav-link[aria-current="page"] {
    color: var(--accent-dark);
}

.nav-link:hover::after,
.nav-link:focus-visible::after,
.nav-link[aria-current="page"]::after {
    transform: scaleX(1);
}

.theme-toggle,
.menu-toggle {
    width: 42px;
    height: 42px;
    display: inline-grid;
    place-items: center;
    padding: 0;
    color: var(--ink);
    background: var(--paper-soft);
    border: 1px solid var(--line);
    border-radius: 50%;
    cursor: pointer;
    transition: transform 0.25s ease, border-color 0.25s ease;
}

.theme-toggle:hover,
.theme-toggle:focus-visible,
.menu-toggle:hover,
.menu-toggle:focus-visible {
    border-color: var(--accent);
    transform: translateY(-2px);
}

.theme-light {
    display: none;
}

[data-theme="dark"] .theme-dark {
    display: none;
}

[data-theme="dark"] .theme-light {
    display: inline;
}

.menu-toggle {
    display: none;
    position: relative;
    z-index: 502;
    border-radius: 0.8rem;
}

.menu-toggle span:not(.sr-only) {
    position: absolute;
    width: 20px;
    height: 2px;
    background: currentColor;
    border-radius: 2px;
    transition: transform 0.25s ease, opacity 0.25s ease;
}

.menu-toggle span:nth-child(1) { transform: translateY(-6px); }
.menu-toggle span:nth-child(3) { transform: translateY(6px); }
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: rotate(-45deg); }

.nav-overlay {
    position: fixed;
    inset: 0;
    z-index: 498;
    display: none;
    background: rgba(28, 19, 17, 0.48);
}

.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;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    min-height: 50px;
    padding: 0.8rem 1.5rem;
    border: 2px solid transparent;
    border-radius: 999px;
    font-weight: 800;
    line-height: 1.2;
    transition: transform 0.25s ease, box-shadow 0.25s ease, background-color 0.25s ease;
}

.btn:hover,
.btn:focus-visible {
    transform: translateY(-3px);
}

.btn-primary {
    color: #fff;
    background: var(--accent);
    box-shadow: 0 10px 28px rgba(214, 129, 118, 0.28);
}

.btn-primary:hover,
.btn-primary:focus-visible {
    background: var(--accent-dark);
    box-shadow: 0 14px 34px rgba(214, 129, 118, 0.36);
}

.btn-secondary {
    color: var(--accent-dark);
    background: transparent;
    border-color: var(--accent);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
    color: #fff;
    background: var(--accent);
}

.btn-small {
    min-height: 44px;
    padding: 0.65rem 1.2rem;
    font-size: 0.92rem;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.48rem 0.85rem;
    color: var(--accent-dark);
    background: color-mix(in srgb, var(--pink) 48%, var(--paper));
    border: 1px solid var(--line);
    border-radius: 999px;
    font-size: 0.79rem;
    font-weight: 900;
    letter-spacing: 0.075em;
    text-transform: uppercase;
}

.eyebrow::before {
    content: '';
    width: 0.55rem;
    height: 0.55rem;
    background: var(--accent);
    border-radius: 50%;
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 16%, transparent);
}

.book-hero {
    position: relative;
    min-height: 100svh;
    padding: 8.75rem 1.5rem 5rem;
    display: grid;
    align-items: center;
    overflow: hidden;
    isolation: isolate;
}

.book-hero::before,
.book-hero::after {
    content: '';
    position: absolute;
    z-index: -2;
    width: 52vw;
    aspect-ratio: 1;
    border-radius: 50%;
    filter: blur(65px);
    opacity: 0.55;
}

.book-hero::before {
    top: 4%;
    left: -18%;
    background: linear-gradient(135deg, var(--lavender), var(--pink));
}

.book-hero::after {
    right: -15%;
    bottom: -20%;
    background: linear-gradient(135deg, var(--cream), var(--sky));
}

[data-theme="dark"] .book-hero::before,
[data-theme="dark"] .book-hero::after {
    opacity: 0.16;
}

.hero-shell,
.spotlight-shell,
.section-shell {
    width: min(1140px, 100%);
    margin: 0 auto;
}

.hero-shell {
    display: grid;
    grid-template-columns: minmax(290px, 0.88fr) minmax(0, 1.12fr);
    gap: clamp(3rem, 8vw, 6.5rem);
    align-items: center;
}

.cover-stage {
    position: relative;
    display: flex;
    justify-content: center;
}

.cover-stage::before {
    content: '';
    position: absolute;
    inset: 12% 4%;
    z-index: -1;
    background: linear-gradient(135deg, var(--lavender), var(--pink), var(--cream));
    border-radius: 45%;
    filter: blur(34px);
    opacity: 0.8;
}

[data-theme="dark"] .cover-stage::before {
    opacity: 0.25;
}

.cover-link {
    display: block;
    width: min(100%, 470px);
    border-radius: 1.5rem;
    transition: transform 0.5s cubic-bezier(.2,.8,.2,1);
}

.cover-link:hover,
.cover-link:focus-visible {
    transform: translateY(-10px) rotate(-1deg);
}

.cover-link:focus-visible {
    outline: 3px solid var(--accent);
    outline-offset: 7px;
}

.book-cover {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    border-radius: 1.5rem;
    box-shadow: 0 34px 65px -24px rgba(58, 39, 80, 0.55), var(--shadow-lg);
}

.hero-copy h1 {
    max-width: 780px;
    margin-top: 1.35rem;
    font-size: clamp(2.6rem, 7vw, 5rem);
}

.hero-byline {
    margin-top: 0.75rem;
    color: var(--muted);
    font-size: 1.12rem;
    font-weight: 800;
}

.hero-lede {
    max-width: 680px;
    margin-top: 1.5rem;
    font-size: clamp(1.08rem, 2vw, 1.3rem);
    line-height: 1.75;
}

.hero-actions,
.card-actions {
    margin-top: 2rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.85rem;
}

.quick-facts {
    margin: 1.6rem 0 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.7rem;
    list-style: none;
}

.quick-facts li {
    padding: 0.5rem 0.85rem;
    color: var(--ink-soft);
    background: color-mix(in srgb, var(--paper-soft) 86%, transparent);
    border: 1px solid var(--line);
    border-radius: 999px;
    font-size: 0.9rem;
    font-weight: 800;
}

.scroll-note {
    position: absolute;
    bottom: 1.5rem;
    left: 50%;
    color: var(--muted);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    transform: translateX(-50%);
}

.scroll-note::after {
    content: '↓';
    display: block;
    margin-top: 0.15rem;
    text-align: center;
    font-size: 1.15rem;
}

.book-spotlight,
.content-section,
.author-section,
.details-section,
.magic-section,
.quote-section,
.final-cta {
    position: relative;
    padding: clamp(4.5rem, 9vw, 7rem) 1.5rem;
}

.book-spotlight {
    background: var(--paper-soft);
}

.spotlight-shell {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(270px, 0.9fr);
    gap: clamp(2.5rem, 7vw, 5.5rem);
    align-items: center;
}

.spotlight-copy h2,
.section-heading h2 {
    margin-top: 1.1rem;
    font-size: clamp(2rem, 5vw, 3.7rem);
}

.spotlight-copy > p {
    max-width: 650px;
    margin-top: 1.2rem;
    font-size: 1.12rem;
    line-height: 1.8;
}

.original-cover-frame {
    display: flex;
    justify-content: center;
}

.original-cover-frame a {
    width: min(100%, 430px);
    border-radius: 1.3rem;
    transition: transform 0.4s ease;
}

.original-cover-frame a:hover,
.original-cover-frame a:focus-visible {
    transform: translateY(-8px) rotate(1deg);
}

.original-cover-frame img {
    width: 100%;
    border-radius: 1.3rem;
    box-shadow: var(--shadow-lg);
}

.section-heading {
    max-width: 760px;
    margin: 0 auto 3rem;
    text-align: center;
}

.section-heading p {
    margin-top: 1rem;
    font-size: 1.1rem;
}

.rainbow-rule {
    width: 110px;
    height: 4px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(90deg, var(--peach), var(--cream), var(--sage), var(--sky), var(--lavender), var(--pink));
    border-radius: 999px;
}

.author-card,
.prose-card,
.details-card {
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: 1.75rem;
    box-shadow: var(--shadow-sm);
}

.author-card {
    max-width: 940px;
    margin: 0 auto;
    padding: clamp(1.5rem, 5vw, 3rem);
    display: grid;
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 2.5rem;
    align-items: center;
}

.author-photo {
    width: 190px;
    height: 190px;
    aspect-ratio: 1;
    object-fit: cover;
    border: 7px solid color-mix(in srgb, var(--pink) 54%, var(--paper));
    border-radius: 50%;
    box-shadow: var(--shadow-sm);
}

.author-copy h2 {
    font-size: clamp(1.7rem, 4vw, 2.6rem);
}

.author-copy p {
    margin-top: 1rem;
    font-size: 1.08rem;
}

.content-section {
    background: var(--paper-soft);
}

.prose-card {
    max-width: 900px;
    margin: 0 auto;
    padding: clamp(1.75rem, 5vw, 3.5rem);
}

.prose-card p {
    font-size: clamp(1.05rem, 2vw, 1.24rem);
    line-height: 1.95;
    text-align: center;
}

.magic-section {
    background:
        radial-gradient(circle at 12% 20%, color-mix(in srgb, var(--lavender) 48%, transparent), transparent 33%),
        radial-gradient(circle at 88% 75%, color-mix(in srgb, var(--cream) 52%, transparent), transparent 35%),
        var(--paper);
}

.magic-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}

.magic-card {
    min-height: 220px;
    padding: 2rem;
    background: color-mix(in srgb, var(--paper) 88%, transparent);
    border: 1px solid var(--line);
    border-radius: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.magic-icon {
    width: 54px;
    height: 54px;
    display: grid;
    place-items: center;
    background: color-mix(in srgb, var(--pink) 58%, var(--paper));
    border-radius: 1rem;
    font-size: 1.55rem;
}

.magic-card:nth-child(2) .magic-icon {
    background: color-mix(in srgb, var(--sky) 58%, var(--paper));
}

.magic-card:nth-child(3) .magic-icon {
    background: color-mix(in srgb, var(--cream) 62%, var(--paper));
}

.magic-card h3 {
    margin-top: 1.3rem;
    font-size: 1.38rem;
}

.magic-card p {
    margin-top: 0.75rem;
}

.quote-section {
    overflow: hidden;
    background: linear-gradient(135deg, var(--lavender), var(--pink), var(--peach));
}

[data-theme="dark"] .quote-section {
    background: linear-gradient(135deg, #40334a, #4a303d, #4b302c);
}

.book-quote {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.book-quote p {
    color: var(--ink);
    font-family: var(--headline);
    font-size: clamp(1.75rem, 5vw, 3.2rem);
    line-height: 1.4;
}

.book-quote cite {
    display: block;
    margin-top: 1.25rem;
    color: var(--ink-soft);
    font-style: normal;
    font-weight: 800;
}

.details-section {
    background: var(--paper-soft);
}

.details-card {
    max-width: 860px;
    margin: 0 auto;
    overflow: hidden;
}

.detail-row {
    padding: 1.15rem 1.5rem;
    display: grid;
    grid-template-columns: minmax(150px, 0.45fr) minmax(0, 1fr);
    gap: 1rem;
    border-bottom: 1px solid var(--line);
}

.detail-row:last-child {
    border-bottom: 0;
}

.detail-label {
    color: var(--muted);
    font-weight: 800;
}

.detail-value {
    color: var(--ink-soft);
    font-weight: 700;
}

.final-cta {
    text-align: center;
    background:
        radial-gradient(circle at 15% 15%, color-mix(in srgb, var(--sky) 45%, transparent), transparent 32%),
        radial-gradient(circle at 85% 80%, color-mix(in srgb, var(--pink) 50%, transparent), transparent 34%),
        var(--paper);
}

.final-cta h2 {
    font-size: clamp(2rem, 5vw, 3.5rem);
}

.final-cta p {
    max-width: 670px;
    margin: 1rem auto 0;
    font-size: 1.1rem;
}

.final-cta .hero-actions {
    justify-content: center;
}

.site-footer {
    padding: 3rem 1.5rem;
    text-align: center;
    background: var(--paper-soft);
    border-top: 1px solid var(--line);
}

.footer-brand {
    font-family: var(--headline);
    font-size: 1.2rem;
}

.footer-links {
    margin-top: 1rem;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem 1.5rem;
    color: var(--ink-soft);
    font-size: 0.92rem;
    font-weight: 700;
}

.footer-links a:hover,
.footer-links a:focus-visible {
    color: var(--accent-dark);
}

.copyright {
    margin-top: 1rem;
    color: var(--muted);
    font-size: 0.82rem;
}

.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.75s ease, transform 0.75s ease;
}

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

@media (max-width: 960px) {
    .menu-toggle {
        display: inline-grid;
    }

    .site-nav {
        position: fixed;
        top: 0;
        right: 0;
        z-index: 501;
        width: min(330px, 88vw);
        height: 100dvh;
        padding: 6.5rem 2rem 2rem;
        align-items: flex-start;
        flex-direction: column;
        background: var(--paper);
        box-shadow: var(--shadow-lg);
        transform: translateX(110%);
        transition: transform 0.35s cubic-bezier(.2,.8,.2,1);
    }

    .site-nav.is-open {
        transform: translateX(0);
    }

    .nav-links {
        width: 100%;
        align-items: stretch;
        flex-direction: column;
        gap: 0.5rem;
    }

    .nav-link {
        display: block;
        padding: 0.75rem 0;
        font-size: 1.08rem;
    }

    .site-nav .btn {
        width: 100%;
    }

    .nav-overlay.is-open {
        display: block;
    }
}

@media (max-width: 800px) {
    .book-hero {
        min-height: auto;
        padding: 7.5rem 1rem 4rem;
    }

    .hero-shell,
    .spotlight-shell {
        grid-template-columns: 1fr;
        gap: 2.75rem;
        text-align: center;
    }

    .cover-link {
        width: min(100%, 390px);
    }

    .hero-copy h1,
    .hero-lede,
    .spotlight-copy > p {
        margin-right: auto;
        margin-left: auto;
    }

    .hero-actions,
    .card-actions,
    .quick-facts {
        justify-content: center;
    }

    .scroll-note {
        display: none;
    }

    .spotlight-copy {
        order: 2;
    }

    .original-cover-frame {
        order: 1;
    }

    .author-card {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .author-photo {
        margin: 0 auto;
    }

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

@media (max-width: 520px) {
    .nav-shell {
        width: min(100% - 2rem, 1180px);
    }

    .brand {
        font-size: 1rem;
    }

    .hero-copy h1 {
        font-size: clamp(2.25rem, 13vw, 3.25rem);
    }

    .hero-actions,
    .card-actions {
        align-items: stretch;
        flex-direction: column;
    }

    .hero-actions .btn,
    .card-actions .btn {
        width: 100%;
    }

    .book-spotlight,
    .content-section,
    .author-section,
    .details-section,
    .magic-section,
    .quote-section,
    .final-cta {
        padding-right: 1rem;
        padding-left: 1rem;
    }

    .quick-facts {
        gap: 0.5rem;
    }

    .detail-row {
        grid-template-columns: 1fr;
        gap: 0.25rem;
    }
}

@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;
    }
}