/* ==============================================
   V3RSUS — its own thing
   editorial, typographic, one-accent,
   hairline rules instead of black slabs
   ============================================== */

:root {
    --paper: #efeadd;
    --paper-deep: #e4dcca;
    --paper-warm: #f5f0e3;

    --ink: #151310;
    --ink-soft: #2a2722;
    --ink-mid: #56514a;
    --ink-faint: #8c867a;

    --rule: #b8ab91;
    --rule-soft: #d2c6ab;

    --accent: #8a1f1f;
    --accent-soft: #b03a3a;
    --indigo: #1a2a47;
    --olive: #5c5624;

    --display: 'Instrument Serif', 'Playfair Display', Georgia, serif;
    --sans: 'Inter Tight', -apple-system, BlinkMacSystemFont, sans-serif;
    --mono: 'IBM Plex Mono', ui-monospace, 'SF Mono', monospace;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

body {
    background: var(--paper);
    color: var(--ink);
    font-family: var(--sans);
    font-feature-settings: "ss01", "cv11";
    min-height: 100vh;
}

a { color: var(--accent); text-underline-offset: 4px; }
a:hover { color: var(--ink); }

::selection { background: var(--accent); color: var(--paper); }

:focus { outline: none; }
:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
    border-radius: 2px;
}
input:focus-visible, textarea:focus-visible {
    outline-offset: 2px;
}

.skip-link {
    position: absolute;
    top: 0.5rem;
    left: 0.5rem;
    padding: 0.6rem 1rem;
    background: var(--ink);
    color: var(--paper);
    font-family: var(--sans);
    font-size: 0.85rem;
    font-weight: 500;
    text-decoration: none;
    border-radius: 2px;
    transform: translateY(-200%);
    transition: transform 0.15s;
    z-index: 100;
}
.skip-link:focus {
    transform: translateY(0);
    color: var(--paper);
}


/* ---- MASTHEAD ---- */
.mast {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
    padding: 0.95rem 3rem;
    border-bottom: 1px solid var(--ink);
    position: sticky;
    top: 0;
    background: var(--paper);
    z-index: 50;
}

.mast-brand {
    font-family: var(--display);
    font-weight: 400;
    font-size: 1.4rem;
    letter-spacing: -0.02em;
    color: var(--ink);
    text-decoration: none;
    line-height: 1;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}
.mast-mark {
    width: 1.35em;
    height: 1.35em;
    flex-shrink: 0;
    display: block;
}
.mast-brand em {
    font-style: italic;
    color: var(--accent);
}
.mast-brand:hover { color: var(--accent); }

.mast-nav {
    display: flex;
    gap: 2rem;
    font-family: var(--sans);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0;
    text-transform: none;
}
.mast-nav a {
    color: var(--ink);
    text-decoration: none;
    position: relative;
    padding-bottom: 3px;
    transition: color 0.15s;
}
.mast-nav a::after {
    content: '';
    position: absolute;
    left: 0; right: 0; bottom: 0;
    height: 1px;
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}
.mast-nav a:hover { color: var(--accent); }
.mast-nav a:hover::after { transform: scaleX(1); }
.mast-nav a.current {
    color: var(--accent);
}
.mast-nav a.current::after {
    transform: scaleX(1);
}


/* ---- HERO ---- */
.hero {
    padding: 3rem 3rem 4rem;
    max-width: 1240px;
    margin: 0 auto;
}
.hero-label {
    display: flex;
    align-items: baseline;
    gap: 0.75rem;
    font-family: var(--mono);
    font-size: 0.68rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--ink-mid);
    margin-bottom: 1.75rem;
}
.hero-label-sym {
    font-family: var(--display);
    font-style: italic;
    font-size: 1.6rem;
    color: var(--accent);
    line-height: 0.8;
    font-weight: 400;
}
.hero-label-id {
    color: var(--ink);
    font-weight: 500;
}

.hero-title {
    font-family: var(--display);
    font-weight: 400;
    font-size: clamp(3.2rem, 8.5vw, 7.5rem);
    line-height: 0.92;
    letter-spacing: -0.022em;
    color: var(--ink);
    max-width: 22ch;
    margin-bottom: 1.5rem;
}
.hero-title em {
    font-style: italic;
    color: var(--accent);
}
.hero-title .dash {
    color: var(--accent);
    font-style: italic;
    margin: 0 0.1em;
}

.hero-standfirst {
    font-family: var(--display);
    font-style: italic;
    font-weight: 400;
    font-size: clamp(1.25rem, 1.7vw, 1.5rem);
    line-height: 1.45;
    color: var(--ink-soft);
    max-width: 58ch;
    margin-bottom: 2rem;
}

.hero-meta {
    display: grid;
    grid-template-columns: repeat(3, auto);
    gap: 0 3rem;
    border-top: 1px solid var(--rule);
    padding-top: 1.1rem;
    margin-bottom: 1.75rem;
    max-width: 960px;
}
.hero-meta-cell { padding: 0.25rem 0; }
.hm-label {
    font-family: var(--mono);
    font-size: 0.6rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--ink-faint);
    margin-bottom: 0.35rem;
}
.hm-value {
    font-family: var(--display);
    font-weight: 400;
    font-size: 1.35rem;
    line-height: 1.2;
    color: var(--ink);
    letter-spacing: -0.015em;
}
.hm-value em {
    font-style: italic;
    color: var(--accent);
    letter-spacing: 0;
}
.hm-value small {
    display: block;
    font-family: var(--mono);
    font-size: 0.62rem;
    letter-spacing: 0.08em;
    color: var(--ink-mid);
    margin-top: 0.3rem;
    text-transform: none;
}

.hero-actions {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.3rem;
}
.link-big {
    font-family: var(--display);
    font-style: italic;
    font-weight: 400;
    font-size: clamp(1.15rem, 1.8vw, 1.55rem);
    color: var(--accent);
    text-decoration: none;
    line-height: 1.5;
    letter-spacing: -0.01em;
    transition: color 0.15s, transform 0.25s cubic-bezier(0.22, 1, 0.36, 1);
    display: inline-flex;
    align-items: baseline;
    gap: 0.6rem;
}
.link-big::before {
    content: '\2192';
    font-style: normal;
    font-family: var(--sans);
    font-size: 0.9em;
    color: var(--accent);
    transition: transform 0.25s cubic-bezier(0.22, 1, 0.36, 1);
}
.link-big:hover { color: var(--ink); }
.link-big:hover::before { transform: translateX(6px); color: var(--ink); }


/* ---- SPREAD (paper-like section) ---- */
.spread {
    padding: 3.5rem 3rem 3.5rem;
    max-width: 1240px;
    margin: 0 auto;
    border-top: 1px solid var(--rule);
}
.spread.dark { background: var(--ink); color: var(--paper); border-top-color: var(--ink); max-width: none; }
.dark-inner { max-width: 1240px; margin: 0 auto; }

.spread-head {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 2.5rem;
    align-items: baseline;
    margin-bottom: 2rem;
}
.spread-num {
    font-family: var(--display);
    font-style: italic;
    font-weight: 400;
    font-size: 1.5rem;
    color: var(--accent);
    letter-spacing: 0.01em;
    white-space: nowrap;
}
.spread.dark .spread-num { color: var(--paper); opacity: 0.5; }
.spread-num::before {
    content: '§';
    margin-right: 0.3rem;
    color: var(--accent);
    opacity: 0.7;
}
.spread.dark .spread-num::before { color: var(--paper); opacity: 0.4; }

.spread-headline {
    font-family: var(--display);
    font-weight: 400;
    font-size: clamp(2.2rem, 4.5vw, 3.6rem);
    line-height: 0.98;
    letter-spacing: -0.02em;
    color: var(--ink);
    max-width: 16ch;
}
.spread.dark .spread-headline { color: var(--paper); }
.spread-headline em { font-style: italic; color: var(--accent); }

.spread-sub {
    font-family: var(--mono);
    font-size: 0.68rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--ink-mid);
    margin-top: 0.75rem;
}
.spread.dark .spread-sub { color: rgba(239,234,221,0.55); }

.spread-body {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 2.5rem;
}
.spread-body > *:first-child {
    font-family: var(--mono);
    font-size: 0.6rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--ink-faint);
    padding-top: 0.5rem;
}
.prose {
    font-family: var(--sans);
    font-size: 1.08rem;
    line-height: 1.65;
    color: var(--ink-soft);
    max-width: 68ch;
}
.spread.dark .prose { color: rgba(239,234,221,0.82); }
.prose p { margin-bottom: 1.25rem; }
.prose p:last-child { margin-bottom: 0; }
.prose strong { color: var(--ink); font-weight: 600; }
.spread.dark .prose strong { color: var(--paper); }
.prose em { color: var(--accent); font-style: italic; }
.prose a {
    color: var(--accent);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 4px;
}
.prose a:hover { background: var(--accent); color: var(--paper); text-decoration: none; }
.spread.dark .prose a { color: var(--paper); text-decoration-color: var(--accent-soft); }
.spread.dark .prose a:hover { background: var(--paper); color: var(--ink); }


/* ---- ABSTRACT ---- */
.abstract {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 2.5rem;
    align-items: baseline;
}
.abstract-tag {
    font-family: var(--mono);
    font-size: 0.6rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--ink-faint);
    padding-top: 0.6rem;
}
.abstract-body {
    font-family: var(--sans);
    font-size: 1.15rem;
    line-height: 1.7;
    color: var(--ink-soft);
    max-width: 64ch;
}
.abstract-body::first-letter {
    font-family: var(--display);
    font-style: italic;
    font-weight: 400;
    font-size: 4.6rem;
    line-height: 0.8;
    float: left;
    color: var(--accent);
    margin: 0.15rem 0.55rem -0.1rem 0;
}
.abstract-body strong { color: var(--ink); font-weight: 600; }
.abstract-body .metric {
    font-family: var(--display);
    font-style: italic;
    font-weight: 400;
    color: var(--accent);
    font-size: 1.25em;
    letter-spacing: -0.01em;
}

.keywords {
    grid-column: 2;
    margin-top: 2rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--rule);
    font-family: var(--mono);
    font-size: 0.66rem;
    letter-spacing: 0.08em;
    color: var(--ink-mid);
    line-height: 1.8;
}
.keywords-label {
    font-weight: 700;
    color: var(--ink);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    margin-right: 0.75rem;
}
.keyword-pill { color: var(--ink-soft); }
.keyword-pill::after { content: ' \00B7'; color: var(--rule); margin: 0 0.2rem; }
.keyword-pill:last-child::after { content: ''; }


/* ---- KEY FIGURES: inline metric band, no color blocks ---- */
.metrics {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 2.5rem;
    padding: 0;
    border-top: 1px solid var(--ink);
    border-bottom: 1px solid var(--ink);
}
.metrics-tag {
    font-family: var(--mono);
    font-size: 0.6rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--ink-faint);
    padding: 2rem 0;
    align-self: center;
}
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border-left: 1px solid var(--rule);
}
.metric-cell {
    padding: 2.25rem 1.25rem;
    border-right: 1px solid var(--rule);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    position: relative;
}
.metric-cell:last-child { border-right: none; }
.metric-val {
    font-family: var(--display);
    font-weight: 400;
    font-size: clamp(2.4rem, 4vw, 3.6rem);
    line-height: 0.9;
    letter-spacing: -0.04em;
    color: var(--ink);
    font-variant-numeric: lining-nums tabular-nums;
}
.metric-val em { font-style: italic; color: var(--accent); }
.metric-label {
    font-family: var(--mono);
    font-size: 0.62rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--ink-mid);
}
.metric-sub {
    font-family: var(--sans);
    font-style: italic;
    font-size: 0.72rem;
    color: var(--ink-faint);
}


/* ---- CALIBRATION CHART: thin line, not bars ---- */
.chart {
    margin: 2.5rem 0 1rem;
}
.chart-frame {
    position: relative;
    height: 200px;
    border-bottom: 1px solid var(--ink);
    border-left: 1px solid var(--ink);
    padding: 1rem 0 0 0;
}
.chart-frame.dark-chart { border-color: var(--paper); }
.chart-grid {
    position: absolute;
    inset: 0;
    display: grid;
    grid-template-rows: repeat(5, 1fr);
    pointer-events: none;
}
.chart-grid span {
    border-top: 1px dashed var(--rule-soft);
    font-family: var(--mono);
    font-size: 0.52rem;
    color: var(--ink-faint);
    padding-left: 0.4rem;
    padding-top: 0.15rem;
}
.spread.dark .chart-grid span { border-top-color: rgba(239,234,221,0.15); color: rgba(239,234,221,0.4); }

.chart-dots {
    position: relative;
    height: 100%;
}
.chart-dot {
    position: absolute;
    transform: translate(-50%, 50%);
    width: 8px;
    height: 8px;
    background: var(--ink);
    border-radius: 50%;
}
.spread.dark .chart-dot { background: var(--paper); }
.chart-dot.hi {
    background: var(--accent);
    width: 14px;
    height: 14px;
    box-shadow: 0 0 0 4px var(--paper);
}
.spread.dark .chart-dot.hi { box-shadow: 0 0 0 4px var(--ink); }
.chart-line {
    position: absolute;
    inset: 0;
    pointer-events: none;
}
.chart-xlabels {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    padding-top: 0.75rem;
    font-family: var(--mono);
    font-size: 0.58rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--ink-mid);
}
.chart-xlabels span { text-align: center; }
.chart-xlabels span.hi { color: var(--accent); font-weight: 700; }
.spread.dark .chart-xlabels span { color: rgba(239,234,221,0.55); }

.fig-caption {
    font-family: var(--sans);
    font-style: italic;
    font-size: 0.88rem;
    color: var(--ink-mid);
    line-height: 1.55;
    margin-top: 1.5rem;
    padding-left: 1.25rem;
    border-left: 2px solid var(--accent);
    max-width: 60ch;
}
.fig-caption b { color: var(--ink); font-style: normal; font-weight: 600; }
.spread.dark .fig-caption { color: rgba(239,234,221,0.7); }
.spread.dark .fig-caption b { color: var(--paper); }


/* ---- METHODOLOGY TWO-COLUMN ---- */
.meth {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3.5rem;
    margin: 2rem 0 0;
}
.meth-col { }
.meth-col-label {
    font-family: var(--mono);
    font-size: 0.6rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 1.25rem;
    padding-bottom: 0.6rem;
    border-bottom: 1px solid var(--ink);
}
.spread.dark .meth-col-label { color: var(--paper); border-bottom-color: var(--paper); }
.meth-list {
    list-style: none;
    display: flex;
    flex-direction: column;
}
.meth-list li {
    padding: 0.65rem 0;
    border-bottom: 1px solid var(--rule-soft);
    font-family: var(--sans);
    font-size: 0.95rem;
    line-height: 1.4;
    color: var(--ink-soft);
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 1rem;
}
.spread.dark .meth-list li { border-bottom-color: rgba(239,234,221,0.15); color: rgba(239,234,221,0.82); }
.meth-list li::before {
    content: counter(ml, upper-roman);
    counter-increment: ml;
    font-family: var(--display);
    font-style: italic;
    font-size: 0.9rem;
    color: var(--accent);
    line-height: 1.5;
}
.meth-list { counter-reset: ml; }
.meth-list li b { color: var(--ink); font-weight: 600; }
.spread.dark .meth-list li b { color: var(--paper); }

.meth-formula {
    font-family: var(--mono);
    font-size: 0.82rem;
    padding: 0.95rem 1.1rem;
    background: var(--paper-deep);
    color: var(--ink);
    margin-top: 1.25rem;
    border-left: 2px solid var(--accent);
    letter-spacing: 0.01em;
    line-height: 1.5;
}
.meth-formula span { font-family: var(--display); font-style: italic; color: var(--accent); }
.spread.dark .meth-formula { background: rgba(239,234,221,0.08); color: var(--paper); }


/* ---- INLINE SUBHEADINGS inside a .prose ---- */
.sub-head {
    display: block;
    font-family: var(--display);
    font-weight: 400;
    font-style: italic;
    font-size: 1.7rem;
    line-height: 1.1;
    letter-spacing: -0.015em;
    color: var(--ink);
    margin: 3rem 0 1rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--rule);
}
.spread.dark .sub-head { color: var(--paper); border-top-color: rgba(239,234,221,0.2); }
.sub-head:first-child { margin-top: 0; padding-top: 0; border-top: none; }
.sub-head .tag {
    display: block;
    font-family: var(--mono);
    font-style: normal;
    font-size: 0.6rem;
    font-weight: 500;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 0.45rem;
}

.prose .meth-formula {
    margin: 1.25rem 0;
}


/* ---- TEAM GRID ---- */
.team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
}
.team-card {
    border-top: 1px solid var(--ink);
    padding-top: 1.25rem;
}
.team-role {
    font-family: var(--mono);
    font-size: 0.6rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 0.65rem;
}
.team-name {
    font-family: var(--display);
    font-weight: 400;
    font-size: 2rem;
    line-height: 1;
    letter-spacing: -0.02em;
    color: var(--ink);
    margin-bottom: 0.75rem;
}
.spread.dark .team-name { color: var(--paper); }
.team-note {
    font-family: var(--sans);
    font-size: 0.9rem;
    line-height: 1.55;
    color: var(--ink-mid);
}
.spread.dark .team-note { color: rgba(239,234,221,0.7); }


/* ---- NUMBERED / LETTERED IN-PROSE LISTS ---- */
.numbered-list, .lettered-list {
    counter-reset: pr;
    list-style: none;
    display: flex;
    flex-direction: column;
    margin: 1rem 0;
}
.numbered-list li, .lettered-list li {
    counter-increment: pr;
    display: grid;
    grid-template-columns: 40px 1fr;
    column-gap: 1.25rem;
    padding: 0.65rem 0;
    border-bottom: 1px solid var(--rule-soft);
    font-family: var(--sans);
    font-size: 1rem;
    line-height: 1.55;
    color: var(--ink-soft);
}
.numbered-list li > *,
.lettered-list li > * { grid-column: 2; min-width: 0; }
.numbered-list li:last-child,
.lettered-list li:last-child { border-bottom: none; }
.numbered-list li::before,
.lettered-list li::before {
    grid-column: 1;
    grid-row: 1;
    font-family: var(--display);
    font-style: italic;
    color: var(--accent);
    line-height: 1;
}
.numbered-list li::before { content: counter(pr); font-size: 1.6rem; }
.lettered-list li::before { content: counter(pr, upper-alpha) '.'; font-size: 1.35rem; }
.numbered-list li em,
.lettered-list li em { color: var(--accent); font-weight: 500; font-style: italic; }
.numbered-list li strong,
.lettered-list li strong { color: var(--ink); font-weight: 600; }


/* ---- REFERENCES LIST (editorial) ---- */
.refs {
    counter-reset: ref;
    list-style: none;
    display: flex;
    flex-direction: column;
    border-top: 1px solid var(--ink);
}
.refs li {
    counter-increment: ref;
    position: relative;
    padding: 1rem 0 1rem 3rem;
    border-bottom: 1px solid var(--rule-soft);
    font-family: var(--sans);
    font-size: 0.92rem;
    line-height: 1.55;
    color: var(--ink-soft);
    transition: background 0.15s, padding-left 0.15s;
}
.refs li:last-child { border-bottom: 1px solid var(--ink); }
.refs li::before {
    content: counter(ref);
    position: absolute;
    left: 0;
    top: 0.95rem;
    font-family: var(--display);
    font-style: italic;
    font-size: 1.35rem;
    color: var(--accent);
    line-height: 1;
}
.refs li:hover { background: var(--paper-warm); padding-left: 3.75rem; }
.refs li em { font-style: italic; font-weight: 500; color: var(--ink); }


/* ---- FOOTNOTES + FOOTER ---- */
.colophon {
    padding: 2.5rem 3rem;
    max-width: 1240px;
    margin: 0 auto;
    border-top: 1px solid var(--rule);
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 2.5rem;
}
.colophon-tag {
    font-family: var(--mono);
    font-size: 0.6rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--ink-faint);
}
.colophon-body {
    font-family: var(--sans);
    font-size: 0.92rem;
    line-height: 1.65;
    color: var(--ink-mid);
    max-width: 62ch;
}
.colophon-body sup { color: var(--accent); font-weight: 600; padding-right: 0.15rem; }
.colophon-body p { margin-bottom: 0.5rem; }

footer {
    padding: 2rem 3rem 1.75rem;
    max-width: 1240px;
    margin: 0 auto;
    border-top: 1px solid var(--ink);
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 2rem;
    align-items: baseline;
    font-family: var(--mono);
    font-size: 0.68rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--ink-mid);
}
footer b { color: var(--ink); }
footer a { color: var(--ink); text-decoration: none; margin-left: 1.25rem; }
footer a:hover { color: var(--accent); }


/* ============================================
   SCROLL ANIMATIONS — quiet, editorial
   ============================================ */
.reveal {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.9s cubic-bezier(0.22, 1, 0.36, 1),
                transform 0.9s cubic-bezier(0.22, 1, 0.36, 1);
    will-change: opacity, transform;
}
.reveal.visible { opacity: 1; transform: none; }

.reveal.visible .spread-num      { animation: fadeUp 0.7s cubic-bezier(0.22, 1, 0.36, 1) 0.05s both; }
.reveal.visible .spread-headline { animation: fadeUp 0.75s cubic-bezier(0.22, 1, 0.36, 1) 0.15s both; }
.reveal.visible .spread-sub      { animation: fadeUp 0.6s cubic-bezier(0.22, 1, 0.36, 1) 0.3s both; }
.reveal.visible .prose           { animation: fadeUp 0.65s cubic-bezier(0.22, 1, 0.36, 1) 0.38s both; }
.reveal.visible .meth            { animation: fadeUp 0.7s cubic-bezier(0.22, 1, 0.36, 1) 0.5s both; }
.reveal.visible .chart           { animation: fadeUp 0.75s cubic-bezier(0.22, 1, 0.36, 1) 0.45s both; }
.reveal.visible .metrics-grid    { animation: fadeUp 0.75s cubic-bezier(0.22, 1, 0.36, 1) 0.25s both; }
.reveal.visible .fig-caption     { animation: fadeUp 0.5s ease 0.8s both; }
.reveal.visible .abstract-body   { animation: fadeUp 0.75s cubic-bezier(0.22, 1, 0.36, 1) 0.2s both; }
.reveal.visible .keywords        { animation: fadeUp 0.6s ease 0.5s both; }

.reveal.visible .metric-cell:nth-child(1) { animation: fadeUp 0.55s ease 0.35s both; }
.reveal.visible .metric-cell:nth-child(2) { animation: fadeUp 0.55s ease 0.45s both; }
.reveal.visible .metric-cell:nth-child(3) { animation: fadeUp 0.55s ease 0.55s both; }
.reveal.visible .metric-cell:nth-child(4) { animation: fadeUp 0.55s ease 0.65s both; }
.reveal.visible .metric-cell:nth-child(5) { animation: fadeUp 0.55s ease 0.75s both; }

/* Hero loads immediately */
.hero-label     { animation: fadeUp 0.8s cubic-bezier(0.22, 1, 0.36, 1) 0.1s both; }
.hero-title     { animation: heroFall 1s cubic-bezier(0.22, 1, 0.36, 1) 0.2s both; }
.hero-standfirst{ animation: fadeUp 0.8s cubic-bezier(0.22, 1, 0.36, 1) 0.55s both; }
.hero-meta      { animation: fadeUp 0.8s cubic-bezier(0.22, 1, 0.36, 1) 0.7s both; }
.hero-actions   { animation: fadeUp 0.7s cubic-bezier(0.22, 1, 0.36, 1) 0.85s both; }
.mast           { animation: fadeIn 0.6s ease both; }

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(24px); }
    to   { opacity: 1; transform: none; }
}
@keyframes heroFall {
    from { opacity: 0; transform: translateY(28px); letter-spacing: -0.04em; }
    to   { opacity: 1; transform: none; letter-spacing: -0.022em; }
}
@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation: none !important;
        transition: none !important;
    }
    .reveal { opacity: 1; transform: none; }
}


/* ---- RESPONSIVE ---- */
@media (max-width: 920px) {
    .mast { padding: 1rem 1.5rem; flex-wrap: wrap; gap: 0.75rem; }
    .mast-nav { gap: 1rem; flex-wrap: wrap; }
    .hero, .spread, .colophon, footer { padding-left: 1.5rem; padding-right: 1.5rem; }
    .hero { padding-top: 4rem; padding-bottom: 3.5rem; }
    .spread { padding-top: 3.5rem; padding-bottom: 3rem; }
    .hero-meta { grid-template-columns: 1fr; gap: 1.25rem 0; }
    .spread-head, .spread-body, .abstract, .metrics, .colophon {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    .spread-num { font-size: 1.1rem; }
    .metrics-grid { grid-template-columns: repeat(2, 1fr); border-left: none; border-top: 1px solid var(--rule); }
    .metric-cell:nth-child(5) { grid-column: 1 / -1; }
    .meth { grid-template-columns: 1fr; gap: 2.5rem; }
    .chart-frame { height: 150px; }
    footer { grid-template-columns: 1fr; }
    .team-grid { grid-template-columns: 1fr; gap: 1.75rem; }
    .refs li { padding: 0.75rem 0 0.75rem 2.25rem; }
    .refs li::before { font-size: 1.1rem; top: 0.75rem; }
    .mast { padding: 1rem 1.5rem; }
    .mast-nav { gap: 1.1rem; font-size: 0.85rem; }
    .mast-brand { font-size: 1.2rem; }
}

.evaluation-table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    font-size: 0.95rem;
    font-variant-numeric: tabular-nums;
}
.evaluation-table caption { text-align: left; margin-bottom: 0.75rem; color: var(--ink-mid); }
.dark .evaluation-table caption { color: var(--paper); opacity: 0.75; }
.evaluation-table th, .evaluation-table td { padding: 1rem 0.75rem; border-bottom: 1px solid var(--rule); text-align: right; }
.evaluation-table th:first-child { text-align: left; padding-left: 0; }
.evaluation-table thead th { font-size: 0.75rem; font-weight: 500; }
.evaluation-table tbody th { font-weight: 500; }
#model-info-status { margin-top: 1rem; color: var(--ink-mid); font-size: 0.875rem; }
#evaluation, #main { scroll-margin-top: 5rem; }
@media (max-width: 600px) {
    .evaluation-table { font-size: 0.8rem; }
    .evaluation-table th, .evaluation-table td { padding: 0.8rem 0.4rem; }
}