/* ===== Infographic write-ups (projects without a live site) ===== */

/* Poster: the hero block that replaces the screenshot */
.ig-poster {
    position: relative;
    display: grid;
    grid-template-columns: 1fr;
    grid-template-areas: 'figure' 'caption' 'flow';
    column-gap: 24px;
    margin: 32px 0 8px;
    padding: 36px 32px;
    border-radius: 16px;
    overflow: hidden;
    background: linear-gradient(135deg, var(--social-gradient-start) 0%, var(--social-gradient-end) 100%);
    color: white;
    box-shadow: 0 10px 30px var(--shadow-color-light);
}

.ig-poster--art {
    grid-template-columns: 1fr minmax(0, 34%);
    grid-template-areas: 'figure art' 'caption art' 'flow flow';
}

.ig-poster-figure {
    grid-area: figure;
    font-size: 5.5em;
    font-weight: 800;
    line-height: 1;
    letter-spacing: -0.03em;
}

.ig-poster-caption {
    grid-area: caption;
    max-width: 30em;
    margin-top: 8px;
    font-size: 1.15em;
    line-height: 1.45;
    opacity: 0.92;
}

.ig-poster-flow {
    grid-area: flow;
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin-top: 28px;
}

.ig-poster-flow li {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.16);
    font-size: 0.9em;
    font-weight: 600;
}

.ig-poster-flow li + li::before {
    content: '→';
    margin: 0 6px 0 -2px;
    opacity: 0.7;
}

.ig-poster-flow svg {
    width: 16px;
    height: 16px;
}

.ig-poster-art {
    grid-area: art;
    align-self: center;
    width: 100%;
    max-width: 280px;
    height: auto;
    justify-self: end;
}

/* Big-number tiles */
.ig-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-top: 16px;
}

.ig-stats--4 {
    grid-template-columns: repeat(4, 1fr);
}

.ig-stat {
    padding: 16px;
    border-radius: 12px;
    background: var(--about-bg);
}

.ig-stat-value {
    display: block;
    font-size: 1.9em;
    font-weight: 800;
    line-height: 1.1;
    background: linear-gradient(135deg, var(--social-gradient-start) 0%, var(--social-gradient-end) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.ig-stat-label {
    display: block;
    margin-top: 6px;
    font-size: 0.85em;
    line-height: 1.4;
    color: var(--text-secondary);
}

/* Vertical pipeline */
.ig-pipeline {
    list-style: none;
    position: relative;
    margin-top: 20px;
    counter-reset: ig-step;
}

.ig-pipeline::before {
    content: '';
    position: absolute;
    left: 21px;
    top: 22px;
    bottom: 22px;
    width: 2px;
    background: linear-gradient(var(--social-gradient-start), var(--social-gradient-end));
    opacity: 0.5;
}

.ig-step {
    position: relative;
    display: grid;
    grid-template-columns: 44px 1fr;
    gap: 16px;
    counter-increment: ig-step;
}

.ig-step + .ig-step {
    margin-top: 18px;
}

.ig-step-icon {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--social-gradient-start) 0%, var(--social-gradient-end) 100%);
    color: white;
    box-shadow: 0 0 0 5px var(--card-bg);
}

.ig-step-icon svg {
    width: 20px;
    height: 20px;
}

.ig-step-body {
    padding: 12px 16px 14px;
    border-radius: 12px;
    background: var(--about-bg);
}

.project-section .ig-step-body h3 {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 4px 10px;
    font-size: 1.05em;
    color: var(--text-primary);
}

.ig-step-body h3::before {
    content: counter(ig-step, decimal-leading-zero);
    font-size: 0.75em;
    font-weight: 700;
    color: var(--text-secondary);
}

.project-section .ig-step-body p {
    margin-top: 4px;
    font-size: 0.95em;
    line-height: 1.6;
}

.ig-step-meta {
    margin-left: auto;
    font-size: 0.8em;
    font-weight: 600;
    color: var(--text-secondary);
}

.ig-chips {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 8px;
}

.project-section .ig-chips li {
    padding: 2px 9px;
    border-radius: 999px;
    background: var(--ig-track);
    font-size: 0.8em;
    line-height: 1.5;
    color: var(--text-primary);
}

.project-section .ig-chips li + li {
    margin-top: 0;
}

/* Horizontal bars */
.ig-bars {
    list-style: none;
    display: grid;
    gap: 10px;
    margin-top: 16px;
}

.project-section .ig-bars li + li {
    margin-top: 0;
}

.ig-bar {
    display: grid;
    grid-template-columns: minmax(120px, 34%) 1fr auto;
    align-items: center;
    gap: 12px;
}

.project-section .ig-bar-label {
    font-size: 0.9em;
    line-height: 1.3;
    color: var(--text-primary);
}

.ig-bar-track {
    height: 14px;
    border-radius: 999px;
    background: var(--ig-track);
    overflow: hidden;
}

.ig-bar-fill {
    display: block;
    height: 100%;
    width: var(--w);
    border-radius: 999px;
    background: linear-gradient(90deg, var(--social-gradient-start), var(--social-gradient-end));
}

.ig-bar-fill--muted {
    background: var(--ig-line);
}

.ig-bar-value {
    min-width: 4.5em;
    font-size: 0.9em;
    font-weight: 700;
    text-align: right;
    color: var(--text-primary);
}

/* Stacked bar (composition of a whole) */
.ig-stack {
    display: flex;
    height: 30px;
    margin-top: 16px;
    border-radius: 8px;
    overflow: hidden;
}

.ig-stack span {
    flex: var(--n) 1 0;
    min-width: 4px;
}

.ig-legend {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 6px 18px;
    margin-top: 10px;
}

.project-section .ig-legend li {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9em;
}

.project-section .ig-legend li + li {
    margin-top: 0;
}

.ig-legend i {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 3px;
}

.ig-c1 { background: var(--ig-series-1); }
.ig-c2 { background: var(--ig-series-2); }
.ig-c3 { background: var(--ig-series-3); }
.ig-c4 { background: var(--ig-series-4); }

/* Funnel: each row narrower than the last */
.ig-funnel {
    list-style: none;
    display: grid;
    gap: 6px;
    margin-top: 16px;
}

.project-section .ig-funnel li {
    width: var(--w);
    min-width: 220px;
    max-width: 100%;
    margin: 0 auto;
    padding: 10px 16px;
    border-radius: 10px;
    background: linear-gradient(90deg, var(--social-gradient-start), var(--social-gradient-end));
    color: white;
    text-align: center;
    font-size: 0.95em;
}

.project-section .ig-funnel li + li {
    margin-top: 0;
}

.ig-funnel strong {
    font-size: 1.2em;
}

/* Before / after and worked / didn't pairs */
.ig-pair {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(240px, 100%), 1fr));
    gap: 12px;
    margin-top: 16px;
}

.ig-card {
    padding: 16px 18px;
    border-radius: 12px;
    background: var(--about-bg);
    border-top: 4px solid var(--ig-line);
}

.ig-card--good {
    border-top-color: var(--ig-good);
}

.ig-card--bad {
    border-top-color: var(--ig-bad);
}

.project-section .ig-card h3 {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
    font-size: 1em;
    color: var(--text-primary);
}

.ig-card h3 svg {
    width: 18px;
    height: 18px;
}

.ig-card--good h3 svg { color: var(--ig-good); }
.ig-card--bad h3 svg { color: var(--ig-bad); }

.project-section .ig-card ul {
    padding-left: 1.1em;
}

.project-section .ig-card li {
    font-size: 0.93em;
    line-height: 1.55;
}

/* Dot plot: one row per benchmark, one dot per solver */
.ig-dotplot {
    margin-top: 16px;
    padding: 18px 20px 14px;
    border-radius: 12px;
    background: var(--about-bg);
}

.ig-dot-rows {
    list-style: none;
    margin-top: 12px;
}

.ig-dot-row,
.ig-dot-axis {
    display: grid;
    grid-template-columns: 76px 1fr 3.6em;
    align-items: center;
    gap: 12px;
}

.project-section .ig-dot-row {
    margin-top: 0;
    padding: 5px 0;
}

.project-section .ig-dot-row--mean {
    margin-top: 6px;
    border-top: 1px solid var(--ig-line);
    padding-top: 10px;
    font-weight: 700;
}

.ig-dot-label {
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 0.8em;
    color: var(--text-primary);
}

.ig-dot-value {
    font-size: 0.85em;
    font-weight: 700;
    text-align: right;
    color: var(--text-primary);
}

.ig-dot-track {
    position: relative;
    height: 16px;
    background:
        linear-gradient(var(--ig-track), var(--ig-track)) 28.57% 0 / 1px 100% no-repeat,
        linear-gradient(var(--ig-track), var(--ig-track)) 57.14% 0 / 1px 100% no-repeat,
        linear-gradient(var(--ig-track), var(--ig-track)) 85.71% 0 / 1px 100% no-repeat;
}

.ig-dot-span {
    position: absolute;
    top: 50%;
    left: var(--from);
    width: calc(var(--to) - var(--from));
    height: 2px;
    margin-top: -1px;
    background: var(--ig-line);
}

.ig-dot {
    position: absolute;
    top: 50%;
    left: var(--x);
    width: 11px;
    height: 11px;
    border-radius: 50%;
    transform: translate(-50%, -50%);
}

.ig-dot--nest {
    width: 14px;
    height: 14px;
}

.ig-dot--nest { background: var(--ig-series-1); }
.ig-dot--ps { background: var(--ig-series-4); }
.ig-dot--sparrow { background: var(--ig-series-3); }

.ig-legend .ig-dot-key {
    border-radius: 50%;
}

.ig-dot-axis {
    margin-top: 4px;
    color: var(--text-secondary);
}

.ig-dot-axis-track {
    grid-column: 2;
    position: relative;
    height: 1.1em;
}

.ig-dot-axis-track span {
    position: absolute;
    font-size: 0.75em;
    left: var(--x);
    transform: translateX(-50%);
}

.ig-dot-axis-track span:first-child {
    transform: none;
}

.ig-dotplot figcaption {
    margin-top: 10px;
    font-size: 0.82em;
    line-height: 1.45;
    color: var(--text-secondary);
}

/* A poster headline in words rather than a number */
.ig-poster-figure--words {
    font-size: 4.6em;
}

/* Inline SVG diagrams */
.ig-diagram {
    margin-top: 16px;
    padding: 16px;
    border-radius: 12px;
    background: var(--about-bg);
}

.ig-diagram svg {
    display: block;
    width: 100%;
    height: auto;
}

.ig-diagram figcaption {
    margin-top: 8px;
    font-size: 0.85em;
    color: var(--text-secondary);
    text-align: center;
}

.ig-diagram .d-sheet { fill: none; stroke: var(--text-secondary); stroke-width: 2; stroke-dasharray: 6 5; }
.ig-diagram .d-part-1 { fill: var(--ig-series-1); }
.ig-diagram .d-part-2 { fill: var(--ig-series-2); }
.ig-diagram .d-part-3 { fill: var(--ig-series-3); }
.ig-diagram .d-part-4 { fill: var(--ig-series-4); }
.ig-diagram .d-hole { fill: var(--about-bg); }
.ig-diagram .d-nfp { fill: var(--ig-track); stroke: var(--ig-series-2); stroke-width: 2; stroke-dasharray: 5 4; }
.ig-diagram .d-dot { fill: var(--text-primary); }
.ig-diagram .d-label { fill: var(--text-secondary); font-size: 13px; font-family: inherit; }
.ig-diagram .d-on-part { fill: var(--card-bg); font-size: 18px; font-weight: 700; font-family: inherit; }

.ig-note {
    margin-top: 12px;
    font-size: 0.85em;
    color: var(--text-secondary);
}

@media (max-width: 768px) {
    .ig-poster {
        padding: 28px 20px;
    }

    .ig-poster-figure {
        font-size: 4em;
    }

    .ig-poster--art {
        grid-template-columns: 1fr;
        grid-template-areas: 'figure' 'caption' 'flow';
    }

    .ig-poster-art {
        display: none;
    }

    .ig-stats,
    .ig-stats--4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .ig-bar {
        grid-template-columns: 1fr auto;
    }

    .ig-bar-track {
        grid-column: 1 / -1;
        grid-row: 2;
    }

    .ig-poster-figure--words {
        font-size: 3.2em;
    }

    .ig-dotplot {
        padding: 14px 14px 12px;
    }

    .ig-dot-row,
    .ig-dot-axis {
        grid-template-columns: 62px 1fr 3.2em;
        gap: 8px;
    }
}

/* Lists used as layout, not bullets */
.project-section ul.ig-chips,
.project-section ul.ig-bars,
.project-section ul.ig-legend,
.project-section ol.ig-funnel,
.project-section ol.ig-dot-rows {
    padding-left: 0;
}

/* Committee flow: one input, parallel models, one merged record */
.ig-flow {
    display: grid;
    grid-template-columns: 1fr auto 2.4fr auto 1fr;
    align-items: center;
    gap: 10px;
    margin-top: 16px;
}

.ig-flow-arrow {
    font-size: 1.3em;
    color: var(--text-secondary);
    text-align: center;
}

.ig-flow-node {
    padding: 14px;
    border-radius: 12px;
    background: var(--about-bg);
    text-align: center;
    font-size: 0.9em;
    line-height: 1.4;
    color: var(--text-secondary);
}

.ig-flow-node strong {
    display: block;
    margin-bottom: 4px;
    color: var(--text-primary);
}

.ig-flow-node svg {
    display: block;
    width: 22px;
    height: 22px;
    margin: 0 auto 6px;
    color: var(--border-color);
}

.ig-flow-models {
    display: grid;
    gap: 8px;
}

.ig-flow-model {
    padding: 10px 12px;
    border-radius: 10px;
    border-left: 4px solid var(--ig-series-1);
    background: var(--ig-track);
    font-size: 0.9em;
    line-height: 1.35;
    color: var(--text-secondary);
}

.ig-flow-model strong {
    color: var(--text-primary);
}

.ig-flow-model:nth-child(2) { border-left-color: var(--ig-series-2); }
.ig-flow-model:nth-child(3) { border-left-color: var(--ig-series-4); }

/* Rules table */
.ig-rules {
    width: 100%;
    margin-top: 16px;
    border-collapse: separate;
    border-spacing: 0 6px;
    font-size: 0.93em;
}

.ig-rules th {
    padding: 0 12px 2px;
    font-size: 0.75em;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    text-align: left;
    color: var(--text-secondary);
}

.ig-rules td {
    padding: 10px 12px;
    background: var(--about-bg);
    line-height: 1.5;
    color: var(--text-secondary);
    vertical-align: top;
}

.ig-rules td:first-child {
    width: 34%;
    border-radius: 10px 0 0 10px;
    font-weight: 600;
    color: var(--text-primary);
}

.ig-rules td:last-child {
    border-radius: 0 10px 10px 0;
}

/* Confidence scale: dots per agreeing model */
.ig-scale {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 8px 20px;
    margin-top: 12px;
}

.project-section .ig-scale li {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9em;
}

.project-section .ig-scale li + li {
    margin-top: 0;
}

.ig-dots {
    display: inline-flex;
    gap: 3px;
}

.ig-dots i {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--ig-line);
}

.ig-dots i.on {
    background: var(--border-color);
}

/* Status badges */
.ig-status {
    display: inline-block;
    padding: 1px 8px;
    border-radius: 999px;
    font-size: 0.72em;
    font-weight: 700;
    letter-spacing: 0.02em;
    white-space: nowrap;
    vertical-align: middle;
}

.ig-status--ran {
    background: var(--ig-good);
    color: var(--card-bg);
}

.ig-status--built {
    background: var(--ig-series-3);
    color: var(--card-bg);
}

.ig-status--designed {
    border: 1px solid var(--ig-line);
    color: var(--text-secondary);
}

/* Grid of numbered design steps */
.ig-grid {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(230px, 100%), 1fr));
    gap: 10px;
    margin-top: 16px;
    counter-reset: ig-cell;
}

.project-section .ig-grid li {
    position: relative;
    padding: 12px 14px;
    border-radius: 12px;
    background: var(--about-bg);
    font-size: 0.88em;
    line-height: 1.5;
    counter-increment: ig-cell;
}

.project-section .ig-grid li + li {
    margin-top: 0;
}

.ig-grid h3 {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 4px 8px;
    margin-bottom: 4px;
    font-size: 1em;
    color: var(--text-primary);
}

.ig-grid h3::before {
    content: counter(ig-cell);
    min-width: 1.6em;
    font-size: 0.8em;
    font-weight: 700;
    color: var(--text-secondary);
}

.ig-grid h3 .ig-status {
    margin-left: auto;
}

/* Output layers as a stack */
.ig-layers {
    list-style: none;
    display: grid;
    gap: 6px;
    margin-top: 16px;
}

.project-section .ig-layers li {
    display: grid;
    grid-template-columns: minmax(130px, 30%) 1fr;
    gap: 12px;
    align-items: baseline;
    padding: 10px 14px;
    border-radius: 10px;
    border-left: 4px solid var(--border-color);
    background: var(--about-bg);
    font-size: 0.9em;
}

.project-section .ig-layers li + li {
    margin-top: 0;
}

.ig-layers code {
    font-weight: 600;
    color: var(--text-primary);
}

.project-section ol.ig-grid,
.project-section ol.ig-layers,
.project-section ul.ig-scale {
    padding-left: 0;
}

@media (max-width: 768px) {
    .ig-flow {
        grid-template-columns: 1fr;
    }

    .ig-flow-arrow {
        transform: rotate(90deg);
    }

    .ig-rules td:first-child {
        width: 40%;
    }

    .project-section .ig-layers li {
        grid-template-columns: 1fr;
        gap: 2px;
    }
}

.project-section .ig-subhead {
    margin-top: 24px;
    margin-bottom: 4px;
    font-size: 1.02em;
    color: var(--text-primary);
}

/* The poster's chip flow, on a plain background */
.ig-poster-flow--plain {
    margin-top: 16px;
    padding-left: 0;
}

.project-section .ig-poster-flow--plain li {
    background: var(--ig-track);
    color: var(--text-primary);
    font-size: 0.88em;
}

.project-section .ig-poster-flow--plain li + li {
    margin-top: 0;
}