/* Load AFTER style.css / additions.css. Roomier layout + book. */
:root {
    --page-max: 1320px;
    --page-x: 64px;
    --page-y: 64px;
}

/* Header: two real columns, stats ledger fills the right side */
.header {
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) minmax(260px, 1fr);
    align-items: end;
    gap: 80px;
    padding-bottom: 72px;
    margin-bottom: 0;
}

.title {
    font-size: clamp(64px, 9vw, 140px);
}

.flourish {
    width: min(520px, 100%);
    margin-top: 28px;
    display: block;
}

.lede {
    font-size: clamp(21px, 1.9vw, 27px);
    max-width: 30em;
    margin-top: 36px;
}

.pens {
    font-family: var(--serif);
    font-size: 17px;
    color: var(--c-stone);
    margin: 20px 0 0;
}

.header-right {
    text-align: left;
    padding: 0;
    width: 100%;
}

.header-right .header-meta {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 16px;
    border-top: 1px solid var(--c-border);
    padding: 18px 0;
    line-height: 1.2;
    letter-spacing: .2em;
}

.header-right .header-meta:first-child {
    border-top: 1px solid var(--c-ink);
}

.header-right .meta-count {
    font-family: var(--serif);
    font-size: 44px;
    letter-spacing: -1px;
    font-weight: 300;
    order: 2;
}

.header-right .meta-label {
    order: 1;
}

/* Rhythm */
section {
    margin-bottom: 176px;
    scroll-margin-top: 90px;
}

.section-row {
    margin-bottom: 12px;
    gap: 28px;
}

.section-label {
    font-size: 12px;
}

.table-head {
    margin-top: 36px;
}

.timeline,
.table-head+.table {
    margin-top: 0;
}

.timeline {
    margin-top: 36px;
}

.exhibit-cols,
.exhibit>summary {
    grid-template-columns: 1fr 140px 160px;
    gap: 32px;
}

.exhibit>summary {
    padding: 40px 0 40px 24px;
}

.work-title {
    font-size: clamp(28px, 2.6vw, 38px);
}

.work-summary {
    font-size: 15px;
    margin-top: 10px;
    max-width: 40rem;
}

.cell-small {
    font-size: 13px;
}

.badge {
    font-size: 10px;
    padding: 6px 12px;
}

.exhibit-body {
    padding: 8px 24px 56px;
    max-width: 48rem;
}

.exhibit-body p {
    font-size: 21px;
    line-height: 1.75;
    margin-bottom: 20px;
}

.chips {
    margin: 28px 0 8px;
}

.event {
    grid-template-columns: 220px 1fr;
    gap: 48px;
    padding: 44px 0 44px 24px;
}

.event-year {
    font-size: 52px;
}

.event-title {
    font-size: 28px;
    margin-bottom: 10px;
}

.event-desc {
    font-size: 16px;
    line-height: 1.75;
    max-width: 44rem;
}

.form {
    margin: 36px 0 88px;
    padding: 48px 24px 16px;
    max-width: 52rem;
}

.field {
    margin-bottom: 36px;
}

.input {
    padding: 14px 16px;
    font-size: 16px;
}

.reflection {
    padding: 40px 0 40px 24px;
}

.reflection-text {
    font-size: 22px;
    line-height: 1.65;
    max-width: 48rem;
}

.reflection-by {
    font-size: 13px;
    margin-top: 12px;
}

.footer {
    padding-top: 40px;
}

/* ─── Top navigation panel ─── */
.topbar {
    position: sticky;
    top: 0;
    z-index: 20;
    background: color-mix(in srgb, var(--c-bg) 92%, transparent);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--c-border);
}

.topbar-in {
    max-width: var(--page-max);
    margin: 0 auto;
    padding: 0 var(--page-x);
    height: 68px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}

.brand {
    font-family: var(--serif);
    font-style: italic;
    font-size: 24px;
    color: var(--c-ink);
    text-decoration: none;
    letter-spacing: -.3px;
}

.menu {
    display: flex;
    gap: 36px;
}

.menu a {
    position: relative;
    font-size: 14px;
    letter-spacing: .02em;
    color: var(--c-muted-aa);
    text-decoration: none;
    padding: 24px 0;
    transition: color .15s;
}

.menu a::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -1px;
    height: 2px;
    background: var(--c-accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .3s var(--ease);
}

.menu a:hover,
.menu a.active {
    color: var(--c-ink);
}

.menu a:hover::after,
.menu a.active::after {
    transform: scaleX(1);
}

.menu-btn {
    display: none;
    font: inherit;
    font-size: 14px;
    color: var(--c-ink);
    background: none;
    border: 1px solid var(--c-border);
    padding: 8px 16px;
    cursor: pointer;
}

section {
    scroll-margin-top: 96px;
}

/* ─── Book ─── */
.book {
    --paper: #FBF9F3;
    --paper-2: #F1EDE1;
    margin-top: 56px;
}

.spread {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    height: clamp(500px, 50vw, 600px);
    perspective: 2600px;
    max-width: 1080px;
    margin: 0 auto;
    border-radius: 4px;
    background: #2E4A3C;
    padding: 10px;
    box-shadow: 0 2px 0 #223a2e, 0 24px 40px -18px rgba(27, 27, 25, .45);
}

.spread::before {
    content: "";
    position: absolute;
    inset: 10px;
    background: var(--paper-2);
    box-shadow: inset 0 -3px 0 #d8d2c0, inset 0 0 0 1px #d9d5c9;
}

.spread::after {
    content: "";
    position: absolute;
    top: 10px;
    bottom: 10px;
    left: 50%;
    width: 70px;
    transform: translateX(-50%);
    z-index: 4;
    pointer-events: none;
    background: linear-gradient(90deg, transparent, rgba(27, 27, 25, .14) 45%, rgba(27, 27, 25, .24) 50%, rgba(27, 27, 25, .14) 55%, transparent);
}

.pg {
    position: relative;
    z-index: 1;
    background: var(--paper);
    padding: clamp(28px, 3.6vw, 52px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    overflow: hidden;
}

.pg-left {
    background: linear-gradient(90deg, var(--paper), var(--paper-2));
}

.pg-right {
    background: linear-gradient(270deg, var(--paper), var(--paper-2));
    overflow-y: auto;
}

.pg-num {
    font-size: 13px;
    color: var(--c-muted-aa);
    margin: 0 0 14px;
}

.pg-src {
    font-family: var(--serif);
    font-style: italic;
    font-weight: 300;
    font-size: clamp(28px, 3vw, 42px);
    line-height: 1.08;
    color: var(--c-ink);
    margin: 0;
}

.pg-where {
    font-size: 14px;
    color: var(--c-muted-aa);
    margin: 12px 0 26px;
}

.glance {
    margin: 0;
    padding: 0;
    display: grid;
    gap: 0;
}

.glance div {
    display: grid;
    grid-template-columns: 96px 1fr;
    gap: 14px;
    padding: 9px 0;
    border-top: 1px solid var(--c-border);
    font-size: 13.5px;
    line-height: 1.45;
}

.glance dt {
    color: var(--c-muted-aa);
}

.glance dd {
    margin: 0;
    color: var(--c-ink-2);
}

.pg-mhead {
    display: none;
}

.pg-text {
    font-family: var(--serif);
    font-size: clamp(17px, 1.55vw, 20px);
    line-height: 1.62;
    color: var(--c-ink-2);
    margin: 0 0 14px;
}

.pg-source {
    font-size: 12px;
    color: var(--c-muted-aa);
    margin: 6px 0 0;
    padding-top: 12px;
    border-top: 1px solid var(--c-border);
}

.leaf {
    position: absolute;
    z-index: 3;
    top: 10px;
    bottom: 10px;
    width: calc(50% - 10px);
    transform-style: preserve-3d;
    visibility: hidden;
    transition: transform 1.15s cubic-bezier(.55, .05, .25, 1);
}

.leaf-r {
    right: 10px;
    transform-origin: left center;
}

.leaf-l {
    left: 10px;
    transform-origin: right center;
}

.leaf.active {
    visibility: visible;
}

.leaf-r.turning {
    transform: rotateY(-180deg);
}

.leaf-l.turning {
    transform: rotateY(180deg);
}

.leaf.reset {
    transition: none;
}

.face {
    position: absolute;
    inset: 0;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

.face.back {
    transform: rotateY(180deg);
}

.face::after {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    opacity: 0;
    background: linear-gradient(90deg, rgba(27, 27, 25, .26), transparent 60%);
}

.leaf-l .face::after {
    background: linear-gradient(270deg, rgba(27, 27, 25, .26), transparent 60%);
}

.leaf.turning .face::after {
    animation: shade 1.15s ease both;
}

@keyframes shade {

    0%,
    100% {
        opacity: 0
    }

    50% {
        opacity: 1
    }
}

.book-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 32px;
    margin-top: 44px;
}

.btn-ghost {
    background: transparent;
    color: var(--c-ink);
}

.btn-ghost:hover:not(:disabled) {
    color: var(--c-bg);
}

.btn:disabled {
    opacity: .35;
    cursor: not-allowed;
}

.dots {
    display: flex;
    gap: 10px;
}

.dot {
    width: 12px;
    height: 12px;
    padding: 0;
    border-radius: 50%;
    border: 1px solid var(--c-ink-3);
    background: transparent;
    cursor: pointer;
    transition: background .2s, transform .2s;
}

.dot:hover {
    transform: scale(1.25);
}

.dot[aria-current="true"] {
    background: var(--c-accent);
    border-color: var(--c-accent);
}

.book-count {
    text-align: center;
    font-family: var(--serif);
    font-style: italic;
    color: var(--c-stone);
    font-size: 17px;
    margin: 18px 0 0;
}

@media (max-width: 900px) {
    :root {
        --page-x: 24px;
        --page-y: 40px;
    }

    .menu-btn {
        display: block;
    }

    .menu {
        position: absolute;
        top: 68px;
        left: 0;
        right: 0;
        flex-direction: column;
        gap: 0;
        background: var(--c-bg);
        border-bottom: 1px solid var(--c-border);
        padding: 8px var(--page-x) 16px;
        display: none;
    }

    .menu.open {
        display: flex;
    }

    .menu a {
        padding: 14px 0;
        border-bottom: 1px solid var(--c-border);
    }

    .menu a::after {
        display: none;
    }

    .header {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    section {
        margin-bottom: 112px;
    }

    .exhibit>summary {
        grid-template-columns: 1fr;
        gap: 10px;
        padding: 28px 0 28px 16px;
    }

    .event {
        grid-template-columns: 1fr;
        gap: 12px;
        padding: 32px 0 32px 16px;
    }

    .spread {
        grid-template-columns: 1fr;
        height: 560px;
    }

    .spread::after,
    .pg-left,
    .leaf-l {
        display: none;
    }

    .leaf-r {
        width: calc(100% - 20px);
    }

    .face.back {
        display: block;
    }

    .face.back>* {
        display: none;
    }

    .pg-mhead {
        display: block;
        margin-bottom: 16px;
    }

    .pg-mhead .pg-src {
        font-size: 30px;
    }

    .pg-mhead .pg-where {
        margin: 8px 0 0;
    }

    .book-controls {
        flex-wrap: wrap;
        gap: 16px;
    }

    .dots {
        order: 3;
        width: 100%;
        justify-content: center;
    }
}

@media (prefers-reduced-motion: reduce) {
    .leaf {
        transition-duration: .01s;
    }

    .leaf.turning .face::after {
        animation: none;
    }

    .menu a::after {
        transition: none;
    }
}