.page-mast {
    padding-top: calc(var(--header-height) + clamp(85px, 11vw, 150px));
    padding-bottom: clamp(75px, 9vw, 125px);
}

.index-page,
.research-page {
    background: var(--paper-bright);
}

.index-page .site-header,
.research-page .site-header {
    background: var(--ink);
}

.page-mast h1 {
    max-width: 980px;
    margin-bottom: 30px;
    font-size: clamp(60px, 8.2vw, 116px);
    line-height: .91;
}

.page-mast > p:last-child {
    max-width: 720px;
    margin: 0 0 0 auto;
    color: #55544d;
    font-family: var(--serif);
    font-size: clamp(20px, 2vw, 26px);
}

.chapter-list {
    padding-top: 0;
}

.chapter-row {
    border-top: 1px solid var(--line);
}

.chapter-row:last-child {
    border-bottom: 1px solid var(--line);
}

.chapter-row > a {
    display: grid;
    grid-template-columns: 58px 210px 1fr 120px;
    gap: 28px;
    align-items: center;
    padding: 27px 0;
}

.chapter-row__number {
    color: var(--copper);
    font-family: var(--serif);
    font-size: 21px;
}

.chapter-row__image {
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: var(--ink);
}

.chapter-row__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: saturate(.65);
    transition: transform .45s ease, filter .35s ease;
}

.chapter-row:hover .chapter-row__image img {
    transform: scale(1.05);
    filter: saturate(1);
}

.chapter-row__copy p {
    margin-bottom: 7px;
    color: var(--copper);
    font-size: 9px;
    font-weight: 700;
    letter-spacing: .16em;
    text-transform: uppercase;
}

.chapter-row__copy h2 {
    margin-bottom: 7px;
    font-size: clamp(27px, 3vw, 40px);
    line-height: 1.05;
}

.chapter-row__copy > span {
    display: block;
    max-width: 700px;
    color: var(--muted);
    font-size: 13px;
    line-height: 1.5;
}

.chapter-row__meta {
    display: flex;
    justify-content: space-between;
    color: var(--muted);
    font-size: 10px;
    text-transform: uppercase;
}

.chapter-row__meta i {
    display: grid;
    width: 34px;
    height: 34px;
    place-items: center;
    border: 1px solid var(--line);
    border-radius: 50%;
    color: var(--ink);
    font-style: normal;
    font-size: 15px;
    transition: color .2s ease, background .2s ease, transform .2s ease;
}

.chapter-row:hover .chapter-row__meta i {
    transform: rotate(8deg);
    background: var(--ink);
    color: var(--paper-bright);
}

.story-hero {
    position: relative;
    min-height: min(860px, 92svh);
    overflow: hidden;
    background: var(--ink);
    color: var(--paper-bright);
}

.story-hero__veil {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(90deg, rgba(6, 8, 8, .86), rgba(6, 8, 8, .33) 60%, rgba(6, 8, 8, .18)),
        linear-gradient(0deg, rgba(6, 8, 8, .8), transparent 55%);
}

.story-hero__content {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: min(860px, 92svh);
    padding-top: calc(var(--header-height) + 35px);
    padding-bottom: clamp(70px, 9vw, 125px);
}

.story-back {
    align-self: flex-start;
    color: rgba(255, 255, 255, .7);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .07em;
    text-transform: uppercase;
}

.story-back span {
    display: inline-block;
    margin-right: 8px;
    transition: transform .2s ease;
}

.story-back:hover span {
    transform: translateX(-4px);
}

.story-hero__title {
    max-width: 920px;
}

.story-hero__title h1 {
    max-width: 900px;
    margin-bottom: 26px;
    font-size: clamp(60px, 8vw, 112px);
    line-height: .91;
}

.story-hero__title > p:not(.eyebrow) {
    max-width: 720px;
    margin-bottom: 26px;
    color: rgba(248, 245, 238, .76);
    font-family: var(--serif);
    font-size: clamp(19px, 1.8vw, 25px);
    line-height: 1.55;
}

.story-reading-time {
    color: rgba(248, 245, 238, .56);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
}

.story-hero__caption {
    position: absolute;
    z-index: 2;
    right: 18px;
    bottom: 13px;
    margin: 0;
    color: rgba(255, 255, 255, .58);
    font-size: 9px;
    letter-spacing: .04em;
}

.story-shell {
    display: grid;
    grid-template-columns: 220px minmax(0, 790px);
    gap: clamp(55px, 8vw, 125px);
    align-items: start;
    justify-content: center;
    padding-top: clamp(85px, 11vw, 145px);
    padding-bottom: clamp(100px, 12vw, 175px);
}

.story-rail {
    position: sticky;
    top: calc(var(--header-height) + 35px);
    border-top: 1px solid var(--line);
    padding-top: 20px;
}

.story-rail > span {
    color: var(--copper);
    font-size: 9px;
    font-weight: 700;
    letter-spacing: .16em;
    text-transform: uppercase;
}

.story-rail ol {
    margin: 18px 0 0;
    padding: 0;
    list-style: none;
}

.story-rail li {
    margin-bottom: 9px;
}

.story-rail a {
    color: var(--muted);
    font-size: 11px;
    line-height: 1.35;
    transition: color .2s ease, padding .2s ease;
}

.story-rail a:hover,
.story-rail a.is-active {
    padding-left: 6px;
    color: var(--ink);
}

.key-points {
    margin-bottom: clamp(100px, 12vw, 160px);
    border-top: 1px solid var(--ink);
    padding-top: 35px;
}

.key-points h2,
.evidence-desk h2,
.source-notes > h2,
.gematria-tool h2 {
    margin-bottom: 34px;
    font-size: clamp(39px, 5vw, 61px);
    line-height: 1.05;
}

.key-points ol {
    margin: 0;
    padding: 0;
    list-style: none;
}

.key-points li {
    display: grid;
    grid-template-columns: 14px 1fr;
    gap: 16px;
    align-items: baseline;
    border-top: 1px solid var(--line);
    padding: 18px 0;
}

.key-points li:last-child {
    border-bottom: 1px solid var(--line);
}

.key-points li > span {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--copper);
}

.key-points li p {
    margin: 0;
    font-family: var(--serif);
    font-size: 19px;
    line-height: 1.45;
}

.story-section {
    margin-bottom: clamp(95px, 11vw, 150px);
}

.story-section__kicker {
    margin-bottom: 18px !important;
    color: var(--copper) !important;
    font-family: var(--sans) !important;
    font-size: 10px !important;
    font-weight: 700;
    letter-spacing: .15em;
    text-transform: uppercase;
}

.story-section h2 {
    max-width: 690px;
    margin-bottom: 34px;
    font-size: clamp(42px, 5.6vw, 68px);
    line-height: 1;
}

.story-section > p {
    color: #373834;
    font-family: var(--serif);
    font-size: clamp(19px, 1.7vw, 22px);
    line-height: 1.75;
}

.story-section > p + p {
    margin-top: 25px;
}

.story-section blockquote {
    position: relative;
    margin: 60px 0 0;
    border-top: 1px solid var(--copper);
    border-bottom: 1px solid var(--copper);
    padding: 38px 20px 38px 65px;
    color: var(--ink);
    font-family: var(--serif);
    font-size: clamp(25px, 3vw, 36px);
    font-style: italic;
    line-height: 1.3;
}

.story-section blockquote::before {
    position: absolute;
    top: 37px;
    left: 12px;
    color: var(--copper);
    content: "“";
    font-size: 58px;
    line-height: 1;
}

.story-figure {
    margin: 52px 0 0;
}

.story-figure > div {
    aspect-ratio: 3 / 2;
    overflow: hidden;
    background: var(--ink-soft);
}

.story-figure img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .8s cubic-bezier(.2, .7, .2, 1);
}

.story-figure:hover img { transform: scale(1.018); }

.story-figure figcaption {
    border-bottom: 1px solid var(--line);
    padding: 10px 0;
    color: var(--muted);
    font-size: 10px;
    line-height: 1.45;
}

.story-figure--wide {
    width: min(1020px, calc(100vw - 48px));
    margin-left: clamp(-115px, calc((790px - min(1020px, 100vw - 48px)) / 2), 0px);
}

.story-figure--wide > div { aspect-ratio: 16 / 9; }

.gematria-tool {
    margin-bottom: clamp(100px, 12vw, 150px);
    padding: clamp(35px, 5vw, 60px);
    background: var(--ink);
    color: var(--paper-bright);
}

.gematria-tool > p:not(.eyebrow) {
    max-width: 640px;
    color: rgba(248, 245, 238, .67);
}

.gematria-tool label {
    display: block;
    margin: 30px 0 8px;
    color: var(--copper-light);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
}

.gematria-tool__field {
    display: grid;
    grid-template-columns: 1fr 92px;
}

.gematria-tool input {
    min-width: 0;
    border: 1px solid rgba(255, 255, 255, .25);
    border-right: 0;
    border-radius: 0;
    padding: 17px;
    outline: 0;
    background: transparent;
    color: var(--paper-bright);
    font-family: var(--serif);
    font-size: 20px;
}

.gematria-tool input:focus {
    border-color: var(--copper-light);
}

.gematria-tool output {
    display: grid;
    place-items: center;
    background: var(--copper-light);
    color: var(--ink);
    font-family: var(--serif);
    font-size: 30px;
}

.gematria-tool__breakdown {
    min-height: 25px;
    margin-top: 12px;
    color: rgba(248, 245, 238, .5);
    font-size: 11px;
    letter-spacing: .06em;
    overflow-wrap: anywhere;
}

.evidence-desk {
    margin-bottom: clamp(110px, 13vw, 170px);
    scroll-margin-top: 110px;
}

.evidence-desk__header {
    margin-bottom: 35px;
}

.evidence-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.evidence-filters button {
    border: 1px solid var(--line);
    padding: 8px 13px;
    background: transparent;
    color: var(--muted);
    font-size: 9px;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
    cursor: pointer;
    transition: color .2s ease, background .2s ease;
}

.evidence-filters button:hover,
.evidence-filters button.is-active {
    background: var(--ink);
    color: var(--paper-bright);
}

.evidence-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 13px;
}

.evidence-card {
    position: relative;
    min-height: 245px;
    border: 1px solid var(--line);
    padding: 28px;
    background: rgba(255, 255, 255, .22);
    transition: opacity .25s ease, transform .25s ease, border-color .25s ease;
}

.evidence-card:hover {
    transform: translateY(-3px);
    border-color: var(--copper);
}

.evidence-card.is-filtered {
    display: none;
}

.evidence-card > p {
    display: flex;
    gap: 9px;
    align-items: center;
    color: var(--muted);
    font-size: 9px;
    font-weight: 700;
    letter-spacing: .13em;
    text-transform: uppercase;
}

.evidence-card > p span {
    width: 7px;
    height: 7px;
    border-radius: 50%;
}

.evidence-card--thesis > p span { background: var(--red); }
.evidence-card--record > p span { background: var(--green); }
.evidence-card--science > p span { background: var(--blue); }
.evidence-card--bridge > p span { background: var(--yellow); }

.evidence-card h3 {
    margin-bottom: 15px;
    font-family: var(--serif);
    font-size: 25px;
    font-weight: 400;
    line-height: 1.1;
}

.evidence-card > div {
    color: #5d5b54;
    font-size: 13px;
    line-height: 1.6;
}

.source-notes {
    scroll-margin-top: 110px;
}

.source-notes__list {
    margin-bottom: 34px;
    border-top: 1px solid var(--line);
}

.source-notes__list article {
    position: relative;
    border-bottom: 1px solid var(--line);
    padding: 24px 145px 24px 0;
}

.source-notes__list article > span {
    color: var(--copper);
    font-size: 9px;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
}

.source-notes__list h3 {
    margin: 5px 0 7px;
    font-family: var(--serif);
    font-size: 20px;
    font-weight: 400;
}

.source-notes__list p {
    margin: 0;
    color: var(--muted);
    font-size: 12px;
    line-height: 1.5;
}

.source-notes__list a,
.source-notes__list strong {
    position: absolute;
    top: 28px;
    right: 0;
    color: var(--ink);
    font-size: 9px;
    font-weight: 700;
    letter-spacing: .06em;
    text-transform: uppercase;
}

.source-notes__list a:hover {
    color: var(--copper);
}

.story-pagination {
    display: grid;
    grid-template-columns: 1fr 1fr;
    background: var(--ink);
    color: var(--paper-bright);
}

.story-pagination > a,
.story-pagination__empty {
    min-height: 230px;
}

.story-pagination > a {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 50px max(35px, calc((100vw - 1240px) / 2));
    transition: color .25s ease, background .25s ease;
}

.story-pagination__previous {
    border-right: 1px solid rgba(255, 255, 255, .13);
    text-align: left;
}

.story-pagination__next {
    align-items: flex-end;
    text-align: right;
}

.story-pagination > a:hover {
    background: var(--copper);
    color: var(--ink);
}

.story-pagination a span {
    margin-bottom: 9px;
    color: var(--copper-light);
    font-size: 9px;
    font-weight: 700;
    letter-spacing: .13em;
    text-transform: uppercase;
}

.story-pagination a:hover span {
    color: var(--ink);
}

.story-pagination strong {
    font-family: var(--serif);
    font-size: clamp(27px, 3vw, 43px);
    font-weight: 400;
}

.page-mast--research {
    display: grid;
    grid-template-columns: 1.35fr .65fr;
    column-gap: 75px;
    align-items: end;
}

.page-mast--research .eyebrow {
    grid-column: 1 / -1;
}

.page-mast--research h1 {
    margin-bottom: 0;
}

.page-mast--research > p:last-child {
    margin-bottom: 10px;
    font-size: 20px;
}

.method-grid {
    display: grid;
    grid-template-columns: .65fr 1.35fr;
    gap: clamp(50px, 8vw, 120px);
    align-items: start;
    padding-top: 70px;
}

.method-grid__cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    border-top: 1px solid var(--line);
    border-left: 1px solid var(--line);
}

.method-grid__cards article {
    min-height: 260px;
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    padding: 28px;
}

.method-grid__cards article > p {
    display: inline-block;
    float: right;
    color: var(--muted);
    font-family: var(--serif);
    font-size: 14px;
}

.method-grid__cards h3 {
    margin: 42px 0 14px;
    clear: both;
    font-family: var(--serif);
    font-size: 26px;
    font-weight: 400;
}

.method-grid__cards article > div {
    color: var(--muted);
    font-size: 13px;
}

.research-principles {
    padding-block: clamp(75px, 9vw, 115px);
    background: var(--ink);
    color: var(--paper-bright);
}

.research-principles__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(35px, 6vw, 90px);
}

.research-principles h2 {
    margin-bottom: 18px;
    font-size: 31px;
}

.research-principles p:not(.eyebrow) {
    margin: 0;
    color: rgba(248, 245, 238, .62);
    font-size: 14px;
}

.media-library {
    padding-bottom: 25px;
}

.source-library__header > p {
    width: min(390px, 100%);
    margin: 0 0 9px;
    color: var(--muted);
    font-family: var(--serif);
    font-size: 18px;
}

.media-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
}

.media-card {
    display: flex;
    min-height: 330px;
    flex-direction: column;
    border: 1px solid var(--line);
    padding: 28px;
    background: rgba(255, 255, 255, .25);
    transition: transform .25s ease, border-color .25s ease, background .25s ease;
}

.media-card:hover {
    transform: translateY(-4px);
    border-color: var(--copper);
    background: var(--paper-bright);
}

.media-card > p {
    margin: 0;
    color: var(--copper);
    font-size: 9px;
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
}

.media-card h3 {
    margin: 48px 0 5px;
    font-family: var(--serif);
    font-size: 27px;
    font-weight: 400;
    line-height: 1.08;
}

.media-card > span {
    color: var(--muted);
    font-size: 11px;
}

.media-card > div {
    margin: 20px 0 28px;
    color: #5d5b54;
    font-size: 13px;
    line-height: 1.55;
}

.media-card > a {
    margin-top: auto;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .06em;
    text-transform: uppercase;
}

.media-card > a:hover { color: var(--copper); }

.source-library__header {
    display: flex;
    align-items: end;
    justify-content: space-between;
    margin-bottom: 50px;
}

.source-library__header h2,
.open-file h2 {
    margin-bottom: 0;
    font-size: clamp(45px, 6vw, 78px);
    line-height: 1;
}

.source-filter-field {
    width: min(390px, 100%);
}

.source-filter-field label {
    display: block;
    margin-bottom: 7px;
    color: var(--muted);
    font-size: 9px;
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
}

.source-filter-field input {
    width: 100%;
    border: 0;
    border-bottom: 1px solid var(--ink);
    border-radius: 0;
    padding: 11px 2px;
    outline: 0;
    background: transparent;
    color: var(--ink);
    font-family: var(--serif);
    font-size: 18px;
}

.source-filter-field input:focus {
    border-bottom-color: var(--copper);
}

.source-library__list {
    border-top: 1px solid var(--line);
}

.source-library__list article {
    display: grid;
    grid-template-columns: 55px 1fr 170px;
    gap: 25px;
    align-items: start;
    border-bottom: 1px solid var(--line);
    padding: 23px 0;
}

.source-library__list article.is-filtered {
    display: none;
}

.source-library__list article > span {
    color: var(--copper);
    font-family: var(--serif);
    font-size: 15px;
}

.source-library__list article p {
    margin-bottom: 4px;
    color: var(--copper);
    font-size: 9px;
    font-weight: 700;
    letter-spacing: .09em;
    text-transform: uppercase;
}

.source-library__list h3 {
    margin-bottom: 6px;
    font-family: var(--serif);
    font-size: 22px;
    font-weight: 400;
    line-height: 1.2;
}

.source-library__list article > div > div {
    max-width: 720px;
    color: var(--muted);
    font-size: 12px;
    line-height: 1.5;
}

.source-library__list article > a,
.source-library__list article > strong {
    justify-self: end;
    color: var(--ink);
    font-size: 9px;
    font-weight: 700;
    letter-spacing: .05em;
    text-align: right;
    text-transform: uppercase;
}

.source-library__list article > a:hover {
    color: var(--copper);
}

.source-library__empty {
    padding: 35px 0;
    color: var(--muted);
}

.open-file {
    background: var(--copper);
}

.open-file__inner {
    display: grid;
    grid-template-columns: .8fr 1.2fr;
    gap: 60px 110px;
}

.open-file .eyebrow {
    grid-column: 1 / -1;
    color: var(--ink);
    margin-bottom: -15px;
}

.open-file ol {
    margin: 0;
    padding: 0;
    list-style: none;
}

.open-file li {
    display: grid;
    grid-template-columns: 40px 1fr;
    gap: 14px;
    border-top: 1px solid rgba(11, 13, 13, .3);
    padding: 18px 0;
}

.open-file li:last-child {
    border-bottom: 1px solid rgba(11, 13, 13, .3);
}

.open-file li span {
    font-family: var(--serif);
    font-size: 14px;
}

.open-file li p {
    margin: 0;
    font-size: 14px;
}

@media (max-width: 960px) {
    .chapter-row > a {
        grid-template-columns: 45px 150px 1fr;
    }

    .chapter-row__meta {
        display: none;
    }

    .story-shell {
        grid-template-columns: 1fr;
        max-width: 780px;
    }

    .story-rail {
        display: none;
    }

    .page-mast--research,
    .method-grid,
    .open-file__inner {
        grid-template-columns: 1fr;
    }

    .page-mast--research > p:last-child {
        margin: 25px 0 0;
    }

    .research-principles__grid {
        grid-template-columns: 1fr;
    }

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

    .open-file .eyebrow {
        grid-column: auto;
        margin-bottom: -25px;
    }
}

@media (max-width: 640px) {
    .page-mast {
        padding-top: calc(var(--header-height) + 70px);
    }

    .page-mast h1 {
        font-size: clamp(52px, 16vw, 74px);
    }

    .page-mast > p:last-child {
        font-size: 19px;
    }

    .chapter-row > a {
        grid-template-columns: 35px 1fr;
        gap: 12px;
    }

    .chapter-row__image {
        grid-column: 2;
        aspect-ratio: 16 / 9;
    }

    .chapter-row__copy {
        grid-column: 2;
    }

    .chapter-row__copy > span {
        font-size: 12px;
    }

    .story-hero,
    .story-hero__content {
        min-height: 780px;
    }

    .story-hero__veil {
        background:
            linear-gradient(90deg, rgba(6, 8, 8, .77), rgba(6, 8, 8, .2)),
            linear-gradient(0deg, rgba(6, 8, 8, .92), transparent 75%);
    }

    .story-hero__title h1 {
        font-size: clamp(54px, 16vw, 76px);
    }

    .story-hero__caption {
        right: 16px;
        left: 16px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .story-shell {
        padding-top: 75px;
    }

    .key-points {
        margin-bottom: 95px;
    }

    .story-section {
        margin-bottom: 95px;
    }

    .story-section > p {
        font-size: 19px;
    }

    .story-section blockquote {
        padding-left: 45px;
    }

    .story-section blockquote::before {
        left: 0;
    }

    .story-figure--wide {
        width: 100%;
        margin-left: 0;
    }

    .evidence-cards {
        grid-template-columns: 1fr;
    }

    .source-notes__list article {
        padding-right: 0;
        padding-bottom: 55px;
    }

    .source-notes__list a,
    .source-notes__list strong {
        top: auto;
        right: auto;
        bottom: 25px;
        left: 0;
    }

    .story-pagination {
        grid-template-columns: 1fr;
    }

    .story-pagination > a,
    .story-pagination__empty {
        min-height: 170px;
    }

    .story-pagination__empty {
        display: none;
    }

    .story-pagination__previous {
        border-right: 0;
        border-bottom: 1px solid rgba(255, 255, 255, .13);
    }

    .story-pagination > a {
        padding-inline: 24px;
    }

    .method-grid__cards {
        grid-template-columns: 1fr;
    }

    .source-library__header {
        display: block;
    }

    .source-library__header > p { margin-top: 24px; }

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

    .source-filter-field {
        margin-top: 30px;
    }

    .source-library__list article {
        grid-template-columns: 35px 1fr;
    }

    .source-library__list article > a,
    .source-library__list article > strong {
        grid-column: 2;
        justify-self: start;
        text-align: left;
    }
}