/* Kyvex — Storybook Layout (Layout 34) */
.page-home { overflow-x: hidden; }

/* Spine navigation (right side) */
.kyv-spine {
    position: fixed;
    top: 0; right: 0;
    width: var(--kyv-spine-w);
    height: 100vh;
    z-index: 850;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: calc(var(--kyv-nav-h) + 16px) 0 24px;
    background: linear-gradient(180deg, var(--kyv-burgundy) 0%, #3d1f26 100%);
    color: var(--kyv-paper);
}
.kyv-spine__ribbon {
    writing-mode: vertical-rl;
    text-orientation: mixed;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    margin-bottom: 24px;
    font-family: var(--kyv-serif);
    letter-spacing: 0.2em;
}
.kyv-spine__vol { font-size: 0.6rem; opacity: 0.6; }
.kyv-spine__title { font-size: 0.85rem; font-weight: 700; }
.kyv-spine__chapters {
    list-style: none;
    margin: 0; padding: 0;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
    width: 100%;
}
.kyv-spine__chapters button {
    width: 100%;
    border: none;
    background: transparent;
    color: rgba(244, 239, 230, 0.45);
    cursor: pointer;
    padding: 6px 4px;
    font-family: var(--kyv-sans);
    font-size: 0.55rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    transition: color 0.25s, background 0.25s;
}
.kyv-spine__chapters button em { font-style: normal; letter-spacing: 0.08em; }
.kyv-spine__chapters button span { font-size: 0.5rem; opacity: 0.5; }
.kyv-spine__chapters button:hover,
.kyv-spine__chapters button.is-active {
    color: var(--kyv-gold);
    background: rgba(255,255,255,0.06);
}
.kyv-spine__progress {
    width: 2px;
    height: 60px;
    background: rgba(255,255,255,0.15);
    position: relative;
    margin-top: 12px;
}
.kyv-spine__progress::after {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%;
    height: var(--progress, 0%);
    background: var(--kyv-gold);
    transition: height 0.4s var(--kyv-ease);
}

/* Storybook container — scroll snap */
.kyv-storybook {
    scroll-snap-type: y proximity;
    padding-right: var(--kyv-spine-w);
}
.kyv-page {
    min-height: 100vh;
    scroll-snap-align: start;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: calc(var(--kyv-nav-h) + 40px) 48px 60px;
}
.kyv-page-num {
    position: absolute;
    bottom: 28px;
    right: calc(var(--kyv-spine-w) + 32px);
    font-size: 0.68rem;
    letter-spacing: 0.14em;
    color: var(--kyv-muted);
    font-family: var(--kyv-serif);
}
.kyv-eyebrow {
    font-size: 0.68rem;
    letter-spacing: 0.22em;
    color: var(--kyv-gold);
    margin: 0 0 12px;
    text-transform: uppercase;
}

/* S00 Cover */
.kyv-page--cover {
    background: var(--kyv-ink);
    color: var(--kyv-paper);
    padding-top: var(--kyv-nav-h);
    min-height: 100vh;
}
.kyv-cover { width: min(1100px, 100%); }
.kyv-cover__frame {
    position: relative;
    border: 1px solid rgba(184, 149, 106, 0.35);
    padding: 32px;
    background: linear-gradient(145deg, #2a1f18 0%, #1c1612 100%);
}
.kyv-cover__border {
    position: absolute;
    inset: 12px;
    border: 1px solid rgba(184, 149, 106, 0.2);
    pointer-events: none;
}
.kyv-cover__visual {
    position: relative;
    aspect-ratio: 16/9;
    overflow: hidden;
    margin-bottom: 32px;
}
.kyv-cover__visual img { width: 100%; height: 100%; object-fit: cover; }
.kyv-cover__veil {
    position: absolute; inset: 0;
    background: linear-gradient(180deg, transparent 40%, rgba(28,22,18,0.85) 100%);
}
.kyv-cover__typo { position: relative; z-index: 2; }
.kyv-cover__publisher { font-size: 0.68rem; letter-spacing: 0.2em; color: var(--kyv-gold); margin: 0 0 20px; }
.kyv-cover__title {
    font-family: var(--kyv-serif);
    font-size: clamp(2.2rem, 6vw, 4rem);
    font-weight: 700;
    line-height: 1.2;
    margin: 0 0 20px;
}
.kyv-cover__title-line { display: block; }
.kyv-cover__title-line--accent { color: var(--kyv-gold); }
.kyv-cover__subtitle { font-size: 0.95rem; opacity: 0.75; max-width: 520px; margin: 0 0 28px; line-height: 1.8; }
.kyv-cover__actions { display: flex; gap: 14px; flex-wrap: wrap; }
.kyv-page--cover .kyv-btn--ghost { color: var(--kyv-paper); border-color: rgba(255,255,255,0.3); }
.kyv-page--cover .kyv-page-num { color: rgba(255,255,255,0.35); }
.kyv-turn-cue {
    position: absolute;
    bottom: 40px; left: 50%;
    transform: translateX(-50%);
    display: flex; flex-direction: column; align-items: center; gap: 8px;
    font-size: 0.65rem; letter-spacing: 0.2em;
    color: rgba(255,255,255,0.4);
    animation: kyv-bob 2.5s ease-in-out infinite;
}
.kyv-turn-cue i {
    display: block; width: 1px; height: 32px;
    background: linear-gradient(180deg, var(--kyv-gold), transparent);
}
@keyframes kyv-bob { 0%, 100% { transform: translateX(-50%) translateY(0); } 50% { transform: translateX(-50%) translateY(8px); } }

/* S01 Colophon strip */
.kyv-page--colophon { background: var(--kyv-paper-dark); }
.kyv-colophon-strip { width: min(900px, 100%); position: relative; }
.kyv-colophon-strip__head h2 {
    font-family: var(--kyv-serif);
    font-size: clamp(1.6rem, 3.5vw, 2.2rem);
    margin: 0 0 32px;
}
.kyv-colophon-strip__head h2 span { color: var(--kyv-burgundy); }
.kyv-colophon-strip__grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
    margin-bottom: 28px;
}
.kyv-colophon-strip__grid div {
    text-align: center;
    padding: 20px 12px;
    background: var(--kyv-paper);
    border: 1px solid var(--kyv-line);
}
.kyv-colophon-strip__grid dt { font-size: 0.65rem; letter-spacing: 0.14em; color: var(--kyv-muted); margin-bottom: 6px; }
.kyv-colophon-strip__grid dd { font-family: var(--kyv-serif); font-size: 1.4rem; font-weight: 600; margin: 0; color: var(--kyv-burgundy); }
.kyv-colophon-strip__note { font-size: 0.88rem; color: var(--kyv-ink-soft); max-width: 600px; }

/* S02 Spread */
.kyv-page--spread { background: var(--kyv-paper); }
.kyv-spread {
    width: min(1200px, 100%);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
    position: relative;
}
.kyv-spread__title {
    font-family: var(--kyv-serif);
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin: 0 0 24px;
    line-height: 1.35;
}
.kyv-spread__title span { color: var(--kyv-burgundy); }
.kyv-spread__verse { margin-bottom: 24px; padding-left: 16px; border-left: 2px solid var(--kyv-gold-dim); }
.kyv-spread__vol { font-size: 0.65rem; color: var(--kyv-gold); letter-spacing: 0.12em; }
.kyv-spread__verse h3 { font-family: var(--kyv-serif); font-size: 1.05rem; margin: 6px 0 8px; }
.kyv-spread__verse p { font-size: 0.88rem; color: var(--kyv-ink-soft); margin: 0; line-height: 1.75; }
.kyv-spread__curl { position: relative; }
.kyv-spread__curl img { width: 100%; box-shadow: var(--kyv-shadow-deep); }
.kyv-spread__gutter {
    position: absolute;
    top: 0; left: -12px;
    width: 24px; height: 100%;
    background: linear-gradient(90deg, rgba(28,22,18,0.08), transparent);
    pointer-events: none;
}
.kyv-spread__pull {
    margin: 24px 0 0;
    padding: 20px 24px;
    background: var(--kyv-paper-dark);
    border-left: 3px solid var(--kyv-burgundy);
    font-family: var(--kyv-serif);
    font-size: 0.95rem;
    font-style: italic;
    line-height: 1.7;
}
.kyv-spread__pull cite { display: block; margin-top: 12px; font-size: 0.75rem; font-style: normal; color: var(--kyv-muted); }

/* S03 Index tabs */
.kyv-page--index { background: var(--kyv-paper-dark); }
.kyv-index { width: min(1100px, 100%); position: relative; }
.kyv-index__head h2 {
    font-family: var(--kyv-serif);
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin: 0 0 12px;
}
.kyv-index__head h2 span { color: var(--kyv-burgundy); }
.kyv-index__lead { color: var(--kyv-ink-soft); margin: 0 0 32px; max-width: 560px; }
.kyv-index__body {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 32px;
    min-height: 420px;
}
.kyv-index__tabs { display: flex; flex-direction: column; gap: 6px; }
.kyv-index__tabs button {
    text-align: left;
    padding: 14px 16px;
    border: 1px solid var(--kyv-line);
    background: var(--kyv-paper);
    cursor: pointer;
    transition: all 0.3s var(--kyv-ease);
    display: flex; flex-direction: column; gap: 4px;
}
.kyv-index__tabs button:hover { border-color: var(--kyv-gold); transform: translateX(4px); }
.kyv-index__tabs button.is-active {
    background: var(--kyv-burgundy);
    color: var(--kyv-paper);
    border-color: var(--kyv-burgundy);
    transform: translateX(8px);
    box-shadow: var(--kyv-shadow);
}
.kyv-index__tab-page { font-size: 0.62rem; letter-spacing: 0.1em; opacity: 0.7; }
.kyv-index__tab-label { font-family: var(--kyv-serif); font-size: 0.95rem; }
.kyv-index__panels { position: relative; }
.kyv-index__panel {
    position: absolute; inset: 0;
    opacity: 0; visibility: hidden;
    transform: translateY(12px);
    transition: opacity 0.4s, transform 0.4s, visibility 0.4s;
}
.kyv-index__panel.is-active { opacity: 1; visibility: visible; transform: none; position: relative; }
.kyv-index__panel-inner {
    background: var(--kyv-paper);
    padding: 32px;
    border: 1px solid var(--kyv-line);
    box-shadow: var(--kyv-shadow);
    min-height: 380px;
}
.kyv-index__panel-ref { font-size: 0.68rem; color: var(--kyv-gold); letter-spacing: 0.12em; }
.kyv-index__panel-inner h3 { font-family: var(--kyv-serif); font-size: 1.6rem; margin: 8px 0 12px; }
.kyv-index__panel-value { font-size: 1rem; color: var(--kyv-ink-soft); margin: 0 0 20px; }
.kyv-index__panel-visual { aspect-ratio: 16/10; overflow: hidden; }
.kyv-index__panel-visual img { width: 100%; height: 100%; object-fit: cover; }

/* S04 Peel experimental */
.kyv-page--peel { background: var(--kyv-ink); color: var(--kyv-paper); overflow: hidden; }
.kyv-peel { width: min(1000px, 100%); position: relative; }
.kyv-peel__head h2 {
    font-family: var(--kyv-serif);
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin: 0 0 12px;
}
.kyv-peel__head h2 span { color: var(--kyv-gold); }
.kyv-peel__head p { opacity: 0.7; margin: 0 0 40px; max-width: 500px; }
.kyv-peel__stage {
    position: relative;
    aspect-ratio: 16/10;
    perspective: 1200px;
}
.kyv-peel__layer {
    position: absolute; inset: 0;
    overflow: hidden;
    box-shadow: var(--kyv-shadow-deep);
    transition: transform 0.1s linear, opacity 0.3s;
    will-change: transform;
}
.kyv-peel__layer img { width: 100%; height: 100%; object-fit: cover; }
.kyv-peel__layer--back { z-index: 1; transform: scale(0.92); opacity: 0.6; }
.kyv-peel__layer--mid { z-index: 2; transform-origin: left center; }
.kyv-peel__layer--front { z-index: 3; transform-origin: left center; }
.kyv-peel__caption {
    position: absolute; bottom: 0; left: 0; right: 0;
    padding: 24px 28px;
    background: linear-gradient(0deg, rgba(28,22,18,0.9), transparent);
}
.kyv-peel__caption span { font-size: 0.65rem; letter-spacing: 0.16em; color: var(--kyv-gold); }
.kyv-peel__caption p { margin: 6px 0 0; font-size: 0.9rem; opacity: 0.85; }
.kyv-page--peel .kyv-page-num { color: rgba(255,255,255,0.3); }

/* S05 Margin notes */
.kyv-page--margin { background: var(--kyv-paper); }
.kyv-margin { width: min(1000px, 100%); position: relative; }
.kyv-margin__head h2 {
    font-family: var(--kyv-serif);
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin: 0 0 40px;
}
.kyv-margin__head h2 span { color: var(--kyv-burgundy); }
.kyv-margin__field {
    position: relative;
    min-height: 520px;
    padding-right: 40%;
}
.kyv-margin__spine-line {
    position: absolute;
    top: 0; bottom: 0; left: 55%;
    width: 1px;
    background: linear-gradient(180deg, transparent, var(--kyv-gold), transparent);
    opacity: 0.4;
}
.kyv-margin__note {
    position: absolute;
    right: 0;
    width: min(340px, 42%);
    background: var(--kyv-paper-dark);
    padding: 16px;
    border: 1px solid var(--kyv-line);
    box-shadow: var(--kyv-shadow);
    top: var(--note-top, 20%);
    transform: rotate(calc((var(--note-i, 0) - 1.5) * 2deg));
    transition: transform 0.35s var(--kyv-ease), box-shadow 0.35s;
}
.kyv-margin__note:hover {
    transform: rotate(0deg) translateX(-8px);
    box-shadow: var(--kyv-shadow-deep);
    z-index: 2;
}
.kyv-margin__ref { font-size: 0.62rem; color: var(--kyv-gold); letter-spacing: 0.1em; }
.kyv-margin__thumb { margin: 10px 0; aspect-ratio: 16/10; overflow: hidden; }
.kyv-margin__thumb img { width: 100%; height: 100%; object-fit: cover; }
.kyv-margin__note p { font-size: 0.82rem; color: var(--kyv-ink-soft); margin: 0; font-family: var(--kyv-serif); font-style: italic; line-height: 1.6; }

/* S06 Folio process */
.kyv-page--folio { background: var(--kyv-paper-dark); }
.kyv-folio { width: min(1100px, 100%); position: relative; }
.kyv-folio__head h2 {
    font-family: var(--kyv-serif);
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin: 0 0 32px;
}
.kyv-folio__head h2 span { color: var(--kyv-burgundy); }
.kyv-folio__pages {
    display: flex;
    gap: 16px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding-bottom: 16px;
    -webkit-overflow-scrolling: touch;
}
.kyv-folio__sheet {
    flex: 0 0 min(220px, 70vw);
    scroll-snap-align: center;
    background: var(--kyv-paper);
    padding: 28px 24px;
    border: 1px solid var(--kyv-line);
    position: relative;
    min-height: 200px;
    transition: transform 0.3s, box-shadow 0.3s;
}
.kyv-folio__sheet:hover { transform: translateY(-6px); box-shadow: var(--kyv-shadow); }
.kyv-folio__step { font-size: 0.72rem; color: var(--kyv-gold); letter-spacing: 0.14em; }
.kyv-folio__sheet h3 { font-family: var(--kyv-serif); font-size: 1.15rem; margin: 10px 0 10px; }
.kyv-folio__sheet p { font-size: 0.82rem; color: var(--kyv-ink-soft); margin: 0; line-height: 1.65; }
.kyv-folio__corner {
    position: absolute; bottom: 0; right: 0;
    width: 24px; height: 24px;
    background: linear-gradient(135deg, transparent 50%, var(--kyv-paper-dark) 50%);
}

/* S07 Letters */
.kyv-page--letters { background: var(--kyv-paper); }
.kyv-letters { width: min(1000px, 100%); position: relative; }
.kyv-letters__head h2 {
    font-family: var(--kyv-serif);
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin: 0 0 40px;
}
.kyv-letters__head h2 span { color: var(--kyv-burgundy); }
.kyv-letters__desk {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
    perspective: 800px;
}
.kyv-letter {
    width: min(300px, 90vw);
    background: #fffef9;
    padding: 28px 24px;
    border: 1px solid rgba(28,22,18,0.08);
    box-shadow: 2px 4px 12px rgba(28,22,18,0.08), 0 0 0 1px rgba(184,149,106,0.15);
    transform: rotate(var(--letter-rot, 0deg));
    transition: transform 0.4s var(--kyv-ease), box-shadow 0.4s;
    position: relative;
}
.kyv-letter::before {
    content: '';
    position: absolute; top: 0; left: 24px; right: 24px; height: 1px;
    background: repeating-linear-gradient(90deg, var(--kyv-gold) 0, var(--kyv-gold) 4px, transparent 4px, transparent 8px);
    opacity: 0.3;
}
.kyv-letter:hover { transform: rotate(0deg) translateY(-8px); box-shadow: var(--kyv-shadow-deep); z-index: 2; }
.kyv-letter__stamp {
    position: absolute; top: 16px; right: 16px;
    font-size: 0.62rem;
    color: var(--kyv-burgundy);
    border: 1px solid var(--kyv-burgundy);
    padding: 4px 8px;
    letter-spacing: 0.06em;
}
.kyv-letter__bike { font-size: 0.72rem; color: var(--kyv-gold); margin: 0 0 12px; letter-spacing: 0.08em; }
.kyv-letter blockquote { font-family: var(--kyv-serif); font-size: 0.88rem; line-height: 1.75; margin: 0 0 16px; color: var(--kyv-ink-soft); }
.kyv-letter footer { font-size: 0.82rem; }
.kyv-letter footer strong { display: block; }
.kyv-letter footer span { color: var(--kyv-muted); font-size: 0.75rem; }

/* S08 Library shelf */
.kyv-page--library { background: var(--kyv-paper-dark); }
.kyv-library { width: min(1100px, 100%); position: relative; }
.kyv-library__head h2 {
    font-family: var(--kyv-serif);
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin: 0 0 8px;
}
.kyv-library__head h2 span { color: var(--kyv-burgundy); }
.kyv-library__head p { color: var(--kyv-ink-soft); margin: 0 0 28px; }
.kyv-library__shelf {
    display: flex;
    gap: 20px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding: 16px 4px 24px;
    -webkit-overflow-scrolling: touch;
}
.kyv-library__volume {
    flex: 0 0 min(280px, 75vw);
    scroll-snap-align: start;
    background: var(--kyv-paper);
    border: 1px solid var(--kyv-line);
    overflow: hidden;
    transition: transform 0.35s, box-shadow 0.35s;
}
.kyv-library__volume:hover { transform: translateY(-6px); box-shadow: var(--kyv-shadow); }
.kyv-library__spine-label {
    background: var(--kyv-burgundy);
    color: var(--kyv-paper);
    font-size: 0.62rem;
    padding: 6px 14px;
    letter-spacing: 0.1em;
}
.kyv-library__cover { aspect-ratio: 4/3; overflow: hidden; }
.kyv-library__cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.kyv-library__volume:hover .kyv-library__cover img { transform: scale(1.05); }
.kyv-library__meta { padding: 16px 18px; }
.kyv-library__cat { font-size: 0.65rem; color: var(--kyv-gold); letter-spacing: 0.1em; }
.kyv-library__meta h3 { font-family: var(--kyv-serif); font-size: 1rem; margin: 6px 0; }
.kyv-library__meta p { font-size: 0.75rem; color: var(--kyv-muted); margin: 0 0 12px; }
.kyv-library__foot { display: flex; justify-content: space-between; align-items: center; }
.kyv-library__foot strong { color: var(--kyv-burgundy); }

/* S09 Bookmark CTA */
.kyv-page--bookmark { background: var(--kyv-burgundy); color: var(--kyv-paper); }
.kyv-bookmark-cta {
    width: min(800px, 100%);
    text-align: center;
    position: relative;
    padding: 48px 32px;
}
.kyv-bookmark-cta__ribbon {
    position: absolute;
    top: -20px; right: 60px;
    width: 48px; height: 80px;
    background: var(--kyv-gold);
    clip-path: polygon(0 0, 100% 0, 100% 100%, 50% 82%, 0 100%);
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}
.kyv-bookmark-cta h2 {
    font-family: var(--kyv-serif);
    font-size: clamp(1.6rem, 3.5vw, 2.4rem);
    margin: 0 0 16px;
}
.kyv-bookmark-cta h2 span { color: var(--kyv-gold); }
.kyv-bookmark-cta > .kyv-bookmark-cta__content > p { opacity: 0.85; margin: 0 0 28px; max-width: 520px; margin-left: auto; margin-right: auto; }
.kyv-bookmark-cta__actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-bottom: 32px; }
.kyv-bookmark-cta .kyv-btn--burgundy { background: var(--kyv-paper); color: var(--kyv-burgundy); }
.kyv-bookmark-cta .kyv-btn--burgundy:hover { background: var(--kyv-gold); color: var(--kyv-ink); }
.kyv-bookmark-cta .kyv-btn--ghost { color: var(--kyv-paper); border-color: rgba(255,255,255,0.35); }
.kyv-bookmark-cta__contact {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
    margin: 0;
    padding-top: 24px;
    border-top: 1px solid rgba(255,255,255,0.15);
}
.kyv-bookmark-cta__contact div { text-align: left; }
.kyv-bookmark-cta__contact dt { font-size: 0.65rem; letter-spacing: 0.14em; opacity: 0.6; margin-bottom: 4px; }
.kyv-bookmark-cta__contact dd { margin: 0; font-size: 0.88rem; }
.kyv-bookmark-cta__contact a { color: var(--kyv-gold); }
.kyv-page--bookmark .kyv-page-num { color: rgba(255,255,255,0.35); }

/* Home nav on cover */
.page-home .kyv-ribbon-nav { background: transparent; }
.page-home .kyv-ribbon-nav.is-scrolled { background: rgba(28, 22, 18, 0.9); }
.page-home .kyv-ribbon-nav:not(.is-scrolled) .kyv-ribbon-nav__brand,
.page-home .kyv-ribbon-nav:not(.is-scrolled) .kyv-ribbon-nav__link,
.page-home .kyv-ribbon-nav:not(.is-scrolled) .kyv-tool-btn { color: var(--kyv-paper); }
.page-home .kyv-ribbon-nav:not(.is-scrolled) .kyv-tool-btn { border-color: rgba(255,255,255,0.2); }

/* Responsive */
@media (max-width: 1024px) {
    .kyv-spine { display: none; }
    .kyv-storybook { padding-right: 0; }
    .kyv-page-num { right: 28px; }
    .kyv-spread { grid-template-columns: 1fr; }
    .kyv-index__body { grid-template-columns: 1fr; }
    .kyv-index__tabs { flex-direction: row; flex-wrap: wrap; }
    .kyv-index__tabs button { flex: 1 1 auto; min-width: 100px; }
    .kyv-colophon-strip__grid { grid-template-columns: repeat(3, 1fr); }
    .kyv-margin__field { padding-right: 0; min-height: auto; }
    .kyv-margin__note { position: relative; width: 100%; top: auto !important; margin-bottom: 16px; transform: none !important; }
    .kyv-margin__spine-line { display: none; }
}
@media (max-width: 640px) {
    .kyv-page { padding: calc(var(--kyv-nav-h) + 24px) 20px 48px; }
    .kyv-colophon-strip__grid { grid-template-columns: repeat(2, 1fr); }
    .kyv-cover__frame { padding: 20px; }
}