/* aei.st — an artisanal data observatory
   Palette: dopamine-neon on graphite
   Typography: JetBrains Mono everywhere; Caveat for marginalia; Major Mono Display for stencils
*/

:root {
    /* palette */
    --graphite-field:    #0B0B0F;
    --ledger-shadow:     #17171F;
    --vellum-cream:      #EDE4D3;
    --ink-sepia:         #9A8F79;
    --electric-magenta:  #FF2D95;
    --acid-lime:         #C6FF3A;
    --cathode-cyan:      #00E8FF;
    --supernova-tangerine: #FF8A1F;
    --plasma-violet:     #6E46FF;

    /* the chromatic-rotation custom property — JS updates this on scroll */
    --active-accent: var(--electric-magenta);

    /* layout */
    --ruler-x: 56px;
    --column-max: 64ch;
    --margin-min: 18vw;
    --column-offset: 14%;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--graphite-field);
    color: var(--vellum-cream);
    font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 15px;
    line-height: 1.72;
    overflow-x: hidden;
}

body {
    min-height: 100vh;
    position: relative;
    /* faint vignette so neon breathes */
    background-image: radial-gradient(circle at 50% 30%, rgba(110, 70, 255, 0.045), transparent 70%);
}

/* hidden defs SVG */
.defs-only { position: absolute; width: 0; height: 0; pointer-events: none; }

/* ------------- paper grain ------------- */
.paper-grain {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 9000;
    opacity: 0.07;
    mix-blend-mode: screen;
}
.paper-grain svg { width: 100%; height: 100%; display: block; }

/* ------------- telemetry ribbon ------------- */
.telemetry-ribbon {
    position: fixed;
    top: 8px;
    left: 0;
    right: 0;
    height: 2px;
    z-index: 9100;
    pointer-events: none;
}
.telemetry-track {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(154, 143, 121, 0.18), transparent);
}
.telemetry-dot {
    position: absolute;
    top: -3px;
    left: 0;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--acid-lime);
    box-shadow: 0 0 12px var(--acid-lime), 0 0 4px var(--acid-lime);
    transform: translateX(-50%);
}

/* ------------- ruler ------------- */
.ruler {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--ruler-x);
    height: 100vh;
    z-index: 50;
    pointer-events: none;
}
.ruler svg { display: block; height: 100%; }
.ruler-line {
    stroke: var(--ink-sepia);
    stroke-width: 1.25;
    stroke-dasharray: 0.8 2.4;
    fill: none;
    filter: url(#ink-tremble-soft);
    transition: stroke 600ms ease;
}
.ruler.is-easter-egg .ruler-line { stroke: var(--plasma-violet); }
.ruler-tick {
    stroke: var(--ink-sepia);
    stroke-width: 1;
}
.ruler-num {
    fill: var(--ink-sepia);
    font-family: "JetBrains Mono", monospace;
    font-size: 9px;
    letter-spacing: 0.04em;
}

/* ------------- target nav ------------- */
.target-nav {
    position: fixed;
    top: 28px;
    right: 32px;
    width: 44px;
    height: 44px;
    background: transparent;
    border: 0;
    padding: 0;
    cursor: pointer;
    z-index: 200;
    animation: target-rotate 33.33s linear infinite; /* ~0.03 turn per minute -> very slow */
}
@keyframes target-rotate {
    to { transform: rotate(1turn); } /* slow reveal — visual rotation accumulates over time */
}
.target-nav .ring {
    fill: none;
    stroke: var(--supernova-tangerine);
    stroke-width: 1.25;
    vector-effect: non-scaling-stroke;
    stroke-linecap: round;
    stroke-linejoin: round;
}
.target-nav .ring.r4 { fill: var(--supernova-tangerine); stroke: none; }
.target-nav:hover .ring { stroke: var(--cathode-cyan); }
.target-nav:hover .ring.r4 { fill: var(--cathode-cyan); }

/* ------------- nav overlay ------------- */
.nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(11, 11, 15, 0.92);
    z-index: 9500;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 420ms ease;
}
.nav-overlay.is-open {
    opacity: 1;
    pointer-events: auto;
}
.nav-overlay-inner {
    position: relative;
    padding: 64px 80px;
    border: 1px solid var(--ink-sepia);
    filter: url(#ink-tremble-soft);
    max-width: 520px;
}
.nav-close {
    position: absolute;
    top: 12px;
    right: 18px;
    color: var(--vellum-cream);
    font-size: 24px;
    cursor: pointer;
    font-family: "JetBrains Mono", monospace;
    line-height: 1;
    user-select: none;
}
.waypoints {
    display: flex;
    flex-direction: column;
    gap: 28px;
}
.waypoint {
    display: grid;
    grid-template-columns: 28px 1fr auto;
    gap: 18px;
    align-items: center;
    color: var(--vellum-cream);
    text-decoration: none;
    font-family: "JetBrains Mono", monospace;
    font-size: 18px;
    letter-spacing: 0.04em;
    padding: 8px 0;
    border-bottom: 1px dashed rgba(154, 143, 121, 0.35);
    transition: color 280ms ease, transform 280ms ease;
}
.waypoint:hover {
    color: var(--active-accent);
    transform: translateX(4px);
}
.waypoint-cross {
    color: var(--ink-sepia);
    font-size: 14px;
    font-family: "Caveat", cursive;
    transform: rotate(-12deg);
}
.waypoint-num {
    font-family: "Major Mono Display", monospace;
    color: var(--ink-sepia);
    font-size: 12px;
    letter-spacing: 0.18em;
}

/* ------------- dwell counter ------------- */
.dwell-counter {
    position: fixed;
    bottom: 24px;
    right: 32px;
    z-index: 200;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 4px;
    font-family: "Major Mono Display", monospace;
}
.dwell-label {
    color: var(--ink-sepia);
    font-size: 9px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}
.dwell-value {
    color: var(--vellum-cream);
    font-size: 13px;
    letter-spacing: 0.16em;
    font-feature-settings: "tnum";
}

/* ------------- manuscript layout ------------- */
.manuscript {
    position: relative;
    width: 100%;
    padding: 96px 0 120px 0;
    z-index: 10;
}

/* ----- passages ----- */
.passage {
    position: relative;
    margin: 0 auto;
    padding: 96px var(--margin-min);
    padding-left: max(var(--margin-min), calc(var(--column-offset) + var(--ruler-x)));
    min-height: 60vh;
    max-width: 1600px;
}
.passage > * { max-width: var(--column-max); }

.folio {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    border-bottom: 1px solid rgba(154, 143, 121, 0.3);
    padding-bottom: 8px;
    margin-bottom: 32px;
    font-family: "Major Mono Display", monospace;
    font-size: 11px;
    letter-spacing: 0.18em;
    color: var(--ink-sepia);
    text-transform: uppercase;
}
.folio-time { color: var(--active-accent); transition: color 3000ms ease; }

.manuscript-title {
    font-family: "JetBrains Mono", monospace;
    font-weight: 700;
    font-size: clamp(2.2rem, 4.2vw, 3.6rem);
    letter-spacing: -0.01em;
    line-height: 1.18;
    color: var(--vellum-cream);
    margin: 0 0 32px 0;
}
.passage h2 {
    font-family: "JetBrains Mono", monospace;
    font-weight: 700;
    font-size: clamp(1.6rem, 2.8vw, 2.2rem);
    letter-spacing: -0.01em;
    line-height: 1.24;
    margin: 0 0 24px 0;
    color: var(--vellum-cream);
}
.passage p {
    margin: 0 0 22px 0;
    text-align: left;       /* never centered */
    color: var(--vellum-cream);
}
.passage .lede {
    font-size: 1.05rem;
    color: var(--vellum-cream);
    border-left: 2px solid var(--active-accent);
    padding-left: 20px;
    transition: border-color 3000ms ease;
}
.passage .closing {
    color: var(--ink-sepia);
    font-style: italic;
    margin-top: 64px;
}
.inline-time {
    color: var(--active-accent);
    font-weight: 500;
    font-feature-settings: "tnum";
    transition: color 3000ms ease;
}

/* fade-in entry */
.passage > * {
    opacity: 0;
    transform: translateY(14px);
    transition: opacity 820ms ease, transform 820ms ease;
}
.passage.is-visible > * {
    opacity: 1;
    transform: translateY(0);
}

/* ------------- marginalia ------------- */
.marginalia {
    position: absolute;
    font-family: "Caveat", cursive;
    font-size: 0.92rem;
    letter-spacing: 0.01em;
    color: var(--ink-sepia);
    width: 140px;
    line-height: 1.2;
    opacity: 0;
    transform: rotate(-8deg);
    transition: opacity 680ms ease, transform 680ms ease;
    pointer-events: none;
}
.passage.is-visible .marginalia {
    opacity: 0.85;
    transform: rotate(var(--rot, 0deg));
}
.marginalia em { font-style: italic; display: block; margin-top: 4px; }

.marginalia svg {
    overflow: visible;
    stroke: var(--ink-sepia);
    stroke-width: 1.1;
    fill: none;
    vector-effect: non-scaling-stroke;
    stroke-linecap: round;
    stroke-linejoin: round;
}
.marginalia .ring { fill: none; stroke: var(--ink-sepia); stroke-width: 1.1; }
.marginalia .ring.r3 { stroke: var(--active-accent); transition: stroke 3000ms ease; }
.marginalia .tally path { stroke-width: 1.4; }
.marginalia .circuit { stroke: var(--cathode-cyan); }
.marginalia .constellation { stroke: var(--ink-sepia); fill: var(--vellum-cream); }
.marginalia .constellation circle { fill: var(--vellum-cream); stroke: none; }
.marginalia .thumbprint { stroke: var(--ink-sepia); }
.marginalia .bracket {
    color: var(--active-accent);
    font-size: 1.6rem;
    font-family: "JetBrains Mono", monospace;
    transition: color 3000ms ease;
    margin: 0 6px;
}

/* positions */
.mar-arrow-left      { left: 4%;  top: 60%; pointer-events: auto; }
.mar-arrow-right     { right: 4%; top: 50%; pointer-events: auto; }
.mar-target-right    { right: 5%; top: 30%; pointer-events: auto; cursor: pointer; }
.mar-target-left     { left: 5%;  top: 30%; pointer-events: auto; cursor: pointer; }
.mar-bracket-left    { left: 3%;  top: 55%; pointer-events: auto; }
.mar-tally-right     { right: 4%; top: 65%; pointer-events: auto; }
.mar-circuit-left    { left: 3%;  top: 70%; pointer-events: auto; }
.mar-constellation-right { right: 3%; top: 25%; pointer-events: auto; width: 130px; }
.mar-thumbprint-right{ right: 6%; top: 20%; pointer-events: auto; }

/* hover pulse on parent paragraph hover */
.passage p:hover ~ .marginalia,
.passage h2:hover ~ .marginalia,
.passage .lede:hover ~ .marginalia {
    /* generic pulse */
}
.marginalia.pulse {
    animation: mar-pulse 520ms ease;
}
@keyframes mar-pulse {
    0%   { transform: rotate(var(--rot, 0deg)) scale(1);    opacity: 0.8; }
    50%  { transform: rotate(var(--rot, 0deg)) scale(1.04); opacity: 1; }
    100% { transform: rotate(var(--rot, 0deg)) scale(1);    opacity: 0.85; }
}

/* ------------- counter bands ------------- */
.counter-band {
    position: relative;
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 0;
    height: 36px;
    background: var(--ledger-shadow);
    border-top: 1px solid rgba(154, 143, 121, 0.18);
    border-bottom: 1px solid rgba(154, 143, 121, 0.18);
    margin: 24px 0;
    padding-left: calc(var(--ruler-x) + 16px);
    align-items: center;
}
.counter-band-final {
    background: linear-gradient(90deg, var(--ledger-shadow) 0%, rgba(110, 70, 255, 0.07) 100%);
}
.counter-cell {
    display: flex;
    align-items: center;
    gap: 10px;
    border-right: 1px dashed rgba(154, 143, 121, 0.22);
    height: 100%;
    padding: 0 18px;
}
.counter-cell:last-child { border-right: 0; }
.counter-code {
    font-family: "Major Mono Display", monospace;
    font-size: 0.72rem;
    letter-spacing: 0.16em;
    color: var(--ink-sepia);
    text-transform: uppercase;
}

/* the counter value */
.counter {
    font-family: "JetBrains Mono", monospace;
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.06em;
    color: var(--vellum-cream);
    font-feature-settings: "tnum";
    transition: color 180ms ease;
    white-space: nowrap;
}
.counter.is-flashing { color: var(--acid-lime); }

/* ------------- plates ------------- */
.plate {
    position: relative;
    width: 100%;
    padding: 48px 5% 48px calc(var(--ruler-x) + 32px);
    margin: 64px 0;
    min-height: 90vh;
    display: flex;
    align-items: center;
}
.plate-frame {
    position: relative;
    width: 100%;
    background: var(--ledger-shadow);
    padding: 32px 44px 28px 44px;
    border: 0;
}
.plate-frame .frame-svg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: visible;
}
.plate-frame .frame-rect {
    fill: none;
    stroke: var(--ink-sepia);
    stroke-width: 1.25;
    vector-effect: non-scaling-stroke;
    filter: url(#ink-tremble);
    stroke-dasharray: 4000;
    stroke-dashoffset: 4000;
    transition: stroke-dashoffset 1400ms ease;
}
.plate.is-visible .frame-rect { stroke-dashoffset: 0; }
.plate-frame .fleurons path {
    fill: none;
    stroke: var(--active-accent);
    stroke-width: 1.1;
    transition: stroke 3000ms ease;
}

.plate-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    border-bottom: 1px dashed rgba(154, 143, 121, 0.4);
    padding-bottom: 10px;
    margin-bottom: 18px;
    font-family: "Major Mono Display", monospace;
    font-size: 0.72rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--ink-sepia);
}
.plate-num { color: var(--active-accent); transition: color 3000ms ease; }
.plate-title {
    font-family: "JetBrains Mono", monospace;
    font-size: 0.95rem;
    letter-spacing: 0.02em;
    color: var(--vellum-cream);
    text-transform: none;
    font-weight: 500;
    flex: 1;
    text-align: center;
    padding: 0 18px;
}
.plate-meta { color: var(--ink-sepia); }

.chart {
    width: 100%;
    height: clamp(280px, 50vh, 480px);
    display: block;
}
.chart .axis {
    stroke: var(--ink-sepia);
    stroke-width: 1.25;
    fill: none;
    vector-effect: non-scaling-stroke;
    stroke-linecap: round;
    stroke-linejoin: round;
}
.chart .ticks path,
.chart .ticks line {
    stroke: var(--ink-sepia);
    stroke-width: 1;
    fill: none;
    vector-effect: non-scaling-stroke;
}
.chart .ticks text {
    fill: var(--ink-sepia);
    font-family: "JetBrains Mono", monospace;
    font-size: 9px;
    letter-spacing: 0.04em;
}
.chart .trend {
    fill: none;
    stroke-width: 1.6;
    stroke-linecap: round;
    stroke-linejoin: round;
    vector-effect: non-scaling-stroke;
    stroke-dasharray: 6000;
    stroke-dashoffset: 6000;
    transition: stroke-dashoffset 1800ms ease 600ms;
}
.plate.is-visible .trend { stroke-dashoffset: 0; }
.trend-magenta   { stroke: var(--electric-magenta); }
.trend-cyan      { stroke: var(--cathode-cyan); }
.trend-lime      { stroke: var(--acid-lime); }
.trend-tangerine { stroke: var(--supernova-tangerine); }

/* candlesticks */
.candles .candle-line { stroke-width: 1; vector-effect: non-scaling-stroke; }
.candles .candle-body { stroke-width: 1; vector-effect: non-scaling-stroke; }
.candles .up   { stroke: var(--acid-lime); fill: rgba(198, 255, 58, 0.18); }
.candles .down { stroke: var(--electric-magenta); fill: rgba(255, 45, 149, 0.18); }

/* scatter */
.scatter-cloud circle {
    fill: var(--cathode-cyan);
    fill-opacity: 0.6;
    stroke: var(--cathode-cyan);
    stroke-opacity: 0.6;
    stroke-width: 0.8;
}

/* radar */
.radar-rings circle {
    fill: none;
    stroke: var(--ink-sepia);
    stroke-opacity: 0.45;
    stroke-width: 0.8;
    vector-effect: non-scaling-stroke;
}
.radar-axes line {
    stroke: var(--ink-sepia);
    stroke-opacity: 0.5;
    stroke-width: 0.8;
    vector-effect: non-scaling-stroke;
}
.radar-area {
    fill: rgba(198, 255, 58, 0.18);
    stroke: var(--acid-lime);
    stroke-width: 1.4;
    stroke-linejoin: round;
    vector-effect: non-scaling-stroke;
}
.radar-points circle {
    fill: var(--acid-lime);
    stroke: var(--acid-lime);
    stroke-opacity: 0.6;
}
.radar-labels text {
    fill: var(--vellum-cream);
    font-family: "Caveat", cursive;
    font-size: 14px;
}

/* arc network */
.arcs path {
    fill: none;
    stroke: var(--electric-magenta);
    stroke-opacity: 0.55;
    stroke-width: 1.2;
    vector-effect: non-scaling-stroke;
}
.nodes circle {
    fill: var(--supernova-tangerine);
    stroke: var(--supernova-tangerine);
    stroke-opacity: 0.6;
}
.nodes text {
    fill: var(--ink-sepia);
    font-family: "Major Mono Display", monospace;
    font-size: 9px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

/* sankey */
.sankey-flows path {
    fill: none;
    stroke-width: 14;
    stroke-linecap: round;
    stroke-opacity: 0.55;
    vector-effect: non-scaling-stroke;
}
.sankey-labels text {
    fill: var(--vellum-cream);
    font-family: "JetBrains Mono", monospace;
    font-size: 11px;
    letter-spacing: 0.04em;
}

.plate-caption {
    margin-top: 16px;
    color: var(--ink-sepia);
    font-family: "Caveat", cursive;
    font-size: 1rem;
    letter-spacing: 0.01em;
}
.plate-caption em {
    color: var(--vellum-cream);
    font-family: "JetBrains Mono", monospace;
    font-size: 0.72rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    margin-right: 6px;
    font-style: normal;
}

/* ------------- pull quote ------------- */
.pull-quote {
    margin: 32px 0 48px 0;
    padding: 0;
    display: grid;
    grid-template-columns: 32px 1fr 32px;
    align-items: center;
    gap: 12px;
}
.pq-bracket {
    color: var(--active-accent);
    font-size: 3rem;
    line-height: 1;
    font-family: "JetBrains Mono", monospace;
    transition: color 3000ms ease;
}
.pq-bracket-end { text-align: right; }
.pull-quote p {
    margin: 0;
    color: var(--vellum-cream);
    font-size: 1.18rem;
    line-height: 1.6;
    font-family: "JetBrains Mono", monospace;
    font-weight: 500;
}

/* ------------- footer ------------- */
.manuscript-footer {
    margin-top: 64px;
    padding: 48px var(--margin-min);
    padding-left: max(var(--margin-min), calc(var(--column-offset) + var(--ruler-x)));
    border-top: 1px dashed rgba(154, 143, 121, 0.3);
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-family: "JetBrains Mono", monospace;
    font-size: 0.78rem;
    color: var(--ink-sepia);
    letter-spacing: 0.04em;
}
.footer-glyph {
    font-family: "Major Mono Display", monospace;
    color: var(--active-accent);
    font-size: 1.4rem;
    transition: color 3000ms ease;
}
.footer-line-faint { color: rgba(154, 143, 121, 0.55); }

/* ------------- inset panel ------------- */
.inset-panel {
    position: fixed;
    top: 50%;
    left: 50%;
    width: 380px;
    height: 240px;
    transform: translate(-50%, -50%) scale(0.96);
    background: var(--ledger-shadow);
    z-index: 9700;
    opacity: 0;
    pointer-events: none;
    transition: opacity 320ms ease, transform 320ms ease;
}
.inset-panel.is-open {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
    pointer-events: auto;
}
.inset-frame {
    position: relative;
    width: 100%;
    height: 100%;
    border: 1px solid var(--ink-sepia);
    filter: url(#ink-tremble-soft);
    padding: 16px 18px;
    overflow: hidden;
}
.inset-close {
    position: absolute;
    top: 6px;
    right: 12px;
    color: var(--vellum-cream);
    font-family: "JetBrains Mono", monospace;
    font-size: 18px;
    cursor: pointer;
    user-select: none;
    line-height: 1;
}
.inset-num {
    font-family: "Major Mono Display", monospace;
    font-size: 0.7rem;
    letter-spacing: 0.16em;
    color: var(--active-accent);
    text-transform: uppercase;
    transition: color 3000ms ease;
}
.inset-title {
    font-family: "Caveat", cursive;
    font-size: 1.1rem;
    color: var(--vellum-cream);
    margin: 4px 0 8px 0;
}
.inset-chart {
    width: 100%;
    height: 120px;
    display: block;
}
.inset-caption {
    color: var(--ink-sepia);
    font-family: "Caveat", cursive;
    font-size: 0.9rem;
    margin-top: 6px;
}
#insetDots circle {
    fill: var(--supernova-tangerine);
    stroke: var(--supernova-tangerine);
    stroke-opacity: 0.6;
}

/* small screens */
@media (max-width: 800px) {
    :root {
        --margin-min: 8vw;
        --column-offset: 6%;
    }
    .marginalia { display: none; }
    .counter-band { grid-template-columns: repeat(3, 1fr); height: auto; padding: 8px 8px 8px calc(var(--ruler-x) + 8px); }
    .counter-cell { padding: 4px 8px; }
    .plate { padding: 24px 4% 24px calc(var(--ruler-x) + 8px); }
    .plate-frame { padding: 18px 18px 16px 18px; }
    .plate-header { flex-direction: column; align-items: flex-start; gap: 4px; }
    .plate-title { padding: 0; text-align: left; }
}