.more-shell {
    padding-top: 112px;
    padding-bottom: 74px;
}

.more-intro {
    padding-bottom: 8px;
    text-align: center;
}

.more-intro h1 {
    max-width: none;
    margin-top: 10px;
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(2.1rem, 4vw, 3.8rem);
    font-weight: 500;
    letter-spacing: -0.065em;
    line-height: 1.08;
}

.more-book-section {
    max-width: 1060px;
}

.more-book-stage {
    position: relative;
    display: grid;
    place-items: center;
    min-height: 464px;
    padding: 12px 0;
    isolation: isolate;
}

.more-book-stage::before,
.more-book-stage::after {
    content: '';
    position: absolute;
    pointer-events: none;
    z-index: -1;
}

.more-book-stage::before {
    inset: 10% 12% 5%;
    background: radial-gradient(ellipse at center, rgba(114, 100, 204, 0.16), transparent 67%);
    filter: blur(46px);
}

.more-book-stage::after {
    bottom: 8px;
    left: 22%;
    width: 56%;
    height: 24px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.64);
    filter: blur(22px);
}

.more-book {
    margin-inline: auto;
    filter: drop-shadow(0 28px 28px rgba(0, 0, 0, 0.38));
    transition: transform 0.65s cubic-bezier(0.22, 1, 0.36, 1);
}

.more-book.is-resizing {
    pointer-events: none;
}

.more-book.is-front-cover {
    transform: translateX(-165px);
}

.more-book.is-back-cover {
    transform: translateX(165px);
}

.more-book:not(.is-ready) .book-page:not(:first-child) {
    display: none;
}

.book-page {
    position: relative;
    display: flex;
    flex-direction: column;
    width: 100%;
    height: 100%;
    overflow: hidden;
    box-sizing: border-box;
}

.book-cover {
    user-select: none;
    -webkit-user-select: none;
    color: #f2f5fc;
    background:
        radial-gradient(circle at 78% 27%, rgba(139, 125, 239, 0.16), transparent 30%),
        linear-gradient(152deg, #1a2033, #090d18 70%);
    border: 1px solid rgba(235, 241, 255, 0.18);
}

.book-cover-inner,
.book-page-content {
    position: relative;
    display: flex;
    flex-direction: column;
    width: 100%;
    height: 100%;
    box-sizing: border-box;
}

.book-cover-inner {
    justify-content: space-between;
    padding: clamp(22px, 3vw, 36px);
}

.book-cover::before {
    content: '';
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.014) 0 1px, transparent 1px 4px);
    pointer-events: none;
}

.book-cover::after {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 12px;
    background: linear-gradient(90deg, #05070f, rgba(255, 255, 255, 0.14), transparent);
    pointer-events: none;
}

.book-cover-top,
.book-cover-bottom {
    position: relative;
    display: flex;
    justify-content: space-between;
    gap: 10px;
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.13em;
    text-transform: uppercase;
    color: rgba(238, 242, 255, 0.65);
}

.book-cover-title {
    position: relative;
    align-self: center;
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(4.3rem, 9vw, 6.8rem);
    font-weight: 700;
    letter-spacing: -0.11em;
    line-height: 0.85;
}

.book-back-mark {
    align-self: center;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 6rem;
    font-weight: 500;
    letter-spacing: -0.13em;
    color: rgba(241, 243, 255, 0.18);
}

.book-back-cover::after {
    left: auto;
    right: 0;
    transform: scaleX(-1);
}

.book-paper {
    color: #1b2231;
    background:
        linear-gradient(90deg, rgba(66, 78, 109, 0.08), transparent 11%),
        linear-gradient(155deg, #eef1f8, #dce2ec 80%);
    border: 1px solid #cbd1dd;
}

.book-page-content {
    padding: clamp(22px, 2.5vw, 32px);
}

.book-folio {
    font-size: 0.66rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    color: #646f86;
}

.book-photo-placeholder {
    flex: 1;
    min-height: 0;
    margin: 24px 0 18px;
    border: 1px solid rgba(74, 82, 104, 0.16);
    background-color: #9ca7bd;
    box-shadow: 0 12px 24px rgba(20, 29, 49, 0.12);
}

.book-photo-places {
    background: linear-gradient(160deg, #77809a 0%, #aab4c8 44%, #586579 45%, #333d54 100%);
}

.book-photo-sounds {
    background:
        repeating-linear-gradient(0deg, transparent 0 16px, rgba(229, 236, 250, 0.18) 17px 18px),
        linear-gradient(145deg, #273249, #8d97ad);
}

.book-photo-frames {
    background:
        linear-gradient(130deg, transparent 40%, rgba(218, 228, 244, 0.3) 41% 43%, transparent 44%),
        radial-gradient(circle at 68% 34%, #adb5ca 0 13%, transparent 14%),
        linear-gradient(160deg, #65718c, #263149);
}

.book-photo-elsewhere {
    background: radial-gradient(circle at 49% 46%, #b8c1d3 0 8%, #838fa9 20%, #33405b 55%, #202940 100%);
}

.book-page-caption h2 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(1.9rem, 3vw, 2.5rem);
    font-weight: 500;
    letter-spacing: -0.07em;
    line-height: 1.08;
}

.book-page-caption p {
    margin-top: 5px;
    font-size: 0.79rem;
    color: #647086;
}

.more-book-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: clamp(18px, 4vw, 46px);
    margin-top: 4px;
}

.book-control {
    min-width: 72px;
    padding: 9px 0;
    border: 0;
    border-bottom: 1px solid rgba(235, 241, 255, 0.38);
    background: transparent;
    color: #f3f5fb;
    font: inherit;
    font-size: 0.81rem;
    cursor: pointer;
    transition: color 0.25s ease, border-color 0.25s ease;
}

.book-control:hover,
.book-control:focus-visible {
    color: #b7b2ff;
    border-color: #a49ef2;
}

.book-control:disabled {
    opacity: 0.3;
    cursor: default;
}

.book-status {
    min-width: 150px;
    color: #b6bed1;
    font-size: 0.72rem;
    letter-spacing: 0.12em;
    text-align: center;
    text-transform: uppercase;
}

@media (min-width: 769px) and (max-width: 1080px) {
    .more-shell {
        padding-top: 148px;
    }
}

@media (max-width: 768px) {
    .more-shell {
        padding-top: 148px;
    }

    .more-intro {
        padding-bottom: 12px;
    }

    .more-intro h1 {
        font-size: clamp(2rem, 9vw, 2.7rem);
    }

    .more-book-stage {
        min-height: 464px;
        padding-bottom: 12px;
    }

    .book-status {
        min-width: 110px;
    }
}

@media (max-width: 820px) {
    .more-book.is-front-cover,
    .more-book.is-back-cover {
        transform: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    .more-book,
    .book-control {
        transition: none;
    }
}
