/* Authored research notebook. The argument and navigation need no JavaScript. */
.research-page {
    container-type: inline-size;
}
.research-page .container {
    container-type: inline-size;
}
.research-page .brand {
    flex-wrap: wrap;
}
.research-page .brand__name {
    width: 2.5rem;
    height: 2.5rem;
    flex-shrink: 0;
}
.research-page .site-nav [aria-current='page'] {
    text-decoration: underline;
    text-decoration-color: var(--accent);
}
.research-opening {
    padding-block: clamp(2.5rem, 5vw, 5rem) 3rem;
}
.research-byline {
    display: flex;
    align-items: center;
    gap: 0.9rem;
}
.research-byline img {
    flex: 0 0 28px;
}
.research-opening h1 {
    max-width: 21ch;
    font-size: clamp(2.6rem, 7vw, 6.5rem);
    line-height: 1.04;
    margin-block: 1.5rem 2.5rem;
    text-wrap: balance;
}
.research-orientation,
.research-split {
    display: grid;
    grid-template-columns: minmax(0, 0.65fr) minmax(0, 1.35fr);
    gap: 1.5rem 4rem;
    align-items: start;
}
.research-orientation > div,
.research-body {
    max-width: 67ch;
    min-width: 0;
}
.research-status {
    font: 0.85rem/1.8 var(--font-mono);
    color: var(--text-primary);
}
.research-page .research-lead {
    color: var(--text-primary);
    font-size: 1.3rem;
    line-height: 1.55;
}
.research-orientation .hero__actions {
    margin-top: 1.2rem;
}
.research-orientation .ledger-link {
    margin-top: 0;
}
.research-contents {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem 2rem;
    border-top: 1px solid var(--border-color);
    padding-block: 1rem;
}
.research-contents a {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    font-size: 0.9rem;
}
.research-section {
    padding-block: clamp(3rem, 6vw, 6rem);
    border-top: 1px solid var(--border-color);
}
.research-section h2 {
    font-size: clamp(2rem, 3.7vw, 3.5rem);
    line-height: 1.15;
    max-width: 24ch;
    margin-bottom: 1.7rem;
    text-wrap: balance;
}
.research-section > .eyebrow {
    padding-top: 0.35rem;
}
.research-position {
    margin: 2rem 0;
}
.research-position > div {
    border-top: 1px solid var(--border-color);
    padding-block: 1.3rem;
}
.research-position dt {
    font: 0.8rem/1.7 var(--font-mono);
    margin-bottom: 0.7rem;
}
.research-position > div:first-child {
    border-top: 2px dashed var(--border-color);
}
.research-position > div:first-child dd {
    color: var(--text-primary);
    font-size: 1.3rem;
    line-height: 1.55;
}
.research-spine-intro {
    max-width: 52rem;
}
.research-spine-intro h2,
.research-section > h2 {
    margin-top: 1rem;
}
.research-page .research-sequence {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem 1.1rem;
    font: 1rem/1.8 var(--font-mono);
    color: var(--text-primary);
    margin-block: 2rem;
}
.research-sequence span {
    color: var(--accent);
}
.research-spine {
    list-style: none;
    padding: 0;
    margin: 0;
}
.research-spine > li {
    display: grid;
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 2rem 5rem;
    padding-block: 2.5rem;
    border-top: 1px solid var(--border-color);
}
.research-spine > li:last-child {
    padding-bottom: 0;
}
.research-stage h3 {
    font-size: clamp(1.8rem, 2.8vw, 2.7rem);
    line-height: 1.2;
    max-width: 24ch;
    margin-block: 1rem;
    text-wrap: balance;
}
.research-stage .eyebrow {
    color: var(--text-primary);
}
.research-record {
    margin: 0;
    max-width: 64ch;
}
.research-record > div + div {
    margin-top: 1.2rem;
}
.research-record dt {
    font: 0.75rem/1.7 var(--font-mono);
    margin-bottom: 0.3rem;
}
.research-record strong {
    color: var(--text-primary);
    font-weight: 500;
}
.research-frontier {
    border-block: 1px solid var(--border-color);
    background: var(--bg-card);
}
.research-frontier h2 {
    font-size: clamp(2.8rem, 7.2vw, 6.5rem);
    line-height: 1.02;
    margin-block: 1.5rem 3rem;
}
.research-frontier .research-status {
    border-left: 2px solid var(--accent);
    padding-left: 1rem;
}
.research-frontier .text-link {
    margin-top: 1rem;
}
.research-questions {
    list-style: none;
    counter-reset: question;
    padding: 0;
    margin: 3rem 0 0;
}
.research-questions li {
    counter-increment: question;
    display: grid;
    grid-template-columns: 3rem minmax(0, 1.2fr) minmax(0, 1fr);
    gap: 1rem 2rem;
    align-items: baseline;
    border-top: 1px solid var(--border-color);
    padding-block: 1.6rem;
}
.research-questions li::before {
    content: counter(question, decimal-leading-zero);
    font: 0.85rem/1.7 var(--font-mono);
    color: var(--text-secondary);
}
.research-questions h3 {
    font-size: clamp(1.35rem, 2.2vw, 2rem);
    line-height: 1.25;
    max-width: 32ch;
}
.research-questions p {
    max-width: 43ch;
}
.research-limits {
    list-style: none;
    padding: 0;
    margin: 2rem 0 0;
}
.research-limits li {
    color: var(--text-secondary);
    border-top: 1px solid var(--border-color);
    padding-block: 1.3rem;
}
.research-limits strong {
    display: block;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 1.15rem;
    margin-bottom: 0.6rem;
}
.research-evidence {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0;
}
.research-evidence li {
    border-top: 1px solid var(--border-color);
    padding-block: 0.4rem;
}
.research-evidence a {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
}
.research-provenance {
    font-size: 0.9rem;
    line-height: 1.9;
}
@media (max-width: 760px) {
    .research-opening {
        padding-block: 2rem;
    }
    .research-opening h1 {
        margin-bottom: 1.8rem;
    }
    .research-contents {
        column-gap: 1.3rem;
    }
}
/* Available measure, including 200% text, controls column collapse. */
@container (max-width: 58rem) {
    .research-spine > li {
        column-gap: 2rem;
    }
}
@container (max-width: 44rem) {
    .research-orientation,
    .research-split,
    .research-spine > li,
    .research-questions li {
        grid-template-columns: minmax(0, 1fr);
    }
    .research-orientation,
    .research-split {
        gap: 1.2rem;
    }
    .research-spine > li {
        gap: 1.5rem;
    }
    .research-questions li {
        gap: 0.7rem;
    }
}
@container (max-width: 20rem) {
    .research-opening h1 {
        font-size: 2.3rem;
    }
    .research-section h2,
    .research-stage h3 {
        font-size: 1.8rem;
    }
    .research-frontier h2 {
        font-size: 2.5rem;
    }
}
@container (max-width: 12rem) {
    .research-opening h1,
    .research-frontier h2 {
        font-size: 1.45rem;
    }
}