/* Case studies under /case_study/ (website/case_studies/). Builds on the
   index.css tokens and the seo.css hero, breadcrumb and CTA; every class here
   is prefixed cs- so nothing touches another page. */

.cs-page {
    --cs-accent: var(--primary-blue);
    --cs-accent-soft: rgba(48, 92, 222, 0.08);
    --cs-track: #eef2f7;
    --cs-rule: var(--border-color);
    --cs-muted: var(--text-muted);
}

.cs-hero h1 {
    max-width: 760px;
}

.cs-tags {
    list-style: none;
    margin: 0 auto;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
}

.cs-tags li {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-main);
    background: #fff;
    border: 1px solid var(--cs-rule);
    border-radius: 100px;
    padding: 5px 14px;
}

/* Same column as the article below it, not the 1200px page container. */
.cs-page .seo-breadcrumb {
    max-width: 1000px;
}

.cs-article {
    max-width: 1000px;
    padding: 28px 20px 56px;
    display: flex;
    flex-direction: column;
    gap: 48px;
}

.cs-section {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.cs-head h2 {
    font-size: clamp(22px, 3vw, 26px);
    font-weight: 800;
    letter-spacing: -0.5px;
    margin: 0 0 6px;
}

.cs-head p {
    margin: 0;
    max-width: 72ch;
    font-size: 15px;
    color: var(--cs-muted);
}

.cs-num {
    font-variant-numeric: tabular-nums;
}

.cs-panel {
    background: #fff;
    border: 1px solid var(--cs-rule);
    border-radius: 12px;
    padding: 22px 24px;
    box-shadow: var(--shadow-sm);
}

/* Headline numbers */
.cs-kpis {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 12px;
}

.cs-kpi {
    background: #fff;
    border: 1px solid var(--cs-rule);
    border-radius: 12px;
    padding: 18px 18px 16px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    box-shadow: var(--shadow-sm);
}

.cs-kpi-v {
    font-size: 32px;
    font-weight: 800;
    letter-spacing: -1px;
    line-height: 1.1;
    font-variant-numeric: tabular-nums;
    color: var(--text-main);
}

.cs-kpi-l {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-main);
}

.cs-kpi-s {
    font-size: 12.5px;
    line-height: 1.45;
    color: var(--cs-muted);
}

.cs-kpi-hi {
    background: var(--cs-accent-soft);
    border-color: rgba(48, 92, 222, 0.25);
}

.cs-kpi-hi .cs-kpi-v {
    color: var(--cs-accent);
}

/* Funnel */
.cs-funnel {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.cs-frow {
    display: grid;
    grid-template-columns: 210px 1fr 96px;
    gap: 14px;
    align-items: center;
}

.cs-flbl {
    font-size: 14px;
    color: var(--text-main);
}

.cs-bar {
    height: 22px;
    background: var(--cs-track);
    border-radius: 6px;
    overflow: hidden;
}

.cs-bar i {
    display: block;
    height: 100%;
    min-width: 3px;
    background: linear-gradient(90deg, var(--cs-accent) 0%, #4f77e6 100%);
    border-radius: 6px;
}

.cs-fval {
    text-align: right;
    font-size: 14px;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}

.cs-fval small {
    font-weight: 400;
    font-size: 12.5px;
    color: var(--cs-muted);
    margin-left: 2px;
}

/* Outcome breakdown */
.cs-stack {
    display: flex;
    height: 30px;
    border-radius: 6px;
    overflow: hidden;
    gap: 2px;
}

.cs-stack span {
    display: block;
    height: 100%;
}

.cs-legend {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px 36px;
    margin-top: 22px;
}

.cs-lg h3 {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    font-size: 15px;
    font-weight: 700;
    border-bottom: 1px solid var(--cs-rule);
    padding-bottom: 8px;
    margin: 0 0 6px;
}

.cs-lg h3 .cs-num {
    font-weight: 600;
    font-size: 15px;
    color: var(--cs-muted);
}

.cs-li {
    display: grid;
    grid-template-columns: 12px 1fr auto;
    gap: 10px;
    align-items: center;
    font-size: 14px;
    padding: 4px 0;
    color: var(--text-main);
}

.cs-li .cs-num {
    font-weight: 600;
}

.cs-li-plain {
    grid-template-columns: 1fr auto;
}

.cs-sw {
    width: 12px;
    height: 12px;
    border-radius: 3px;
}

.c-book { background: #305cde; }
.c-cb { background: #8aa5ec; }
.c-filed { background: #d48a1e; }
.c-dec { background: #d0574b; }
.c-wrong { background: #e9a59d; }
.c-drop { background: #ecbe73; }
.c-scr { background: #f5dcae; }
.c-vml { background: #64748b; }
.c-vmn { background: #94a3b8; }
.c-vmu { background: #c4cdd9; }
.c-na { background: #dde3ea; }
.c-nyc { background: repeating-linear-gradient(45deg, #eef2f7 0 4px, #cfd7e2 4px 6px); }

/* Calls per day */
.cs-chart {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.cs-cols {
    display: grid;
    grid-template-columns: repeat(10, minmax(0, 1fr));
    gap: 10px;
    align-items: end;
    height: 190px;
    border-bottom: 1px solid var(--cs-rule);
}

.cs-col {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    height: 100%;
    gap: 6px;
}

.cs-n {
    font-size: 12.5px;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    color: var(--text-main);
}

.cs-col i {
    display: block;
    width: 100%;
    max-width: 44px;
    background: linear-gradient(180deg, #4f77e6 0%, var(--cs-accent) 100%);
    border-radius: 5px 5px 0 0;
}

.cs-xlab {
    display: grid;
    grid-template-columns: repeat(10, minmax(0, 1fr));
    gap: 10px;
    text-align: center;
    font-size: 12.5px;
    font-weight: 600;
    color: var(--text-main);
}

.cs-xlab small {
    display: block;
    font-size: 11px;
    font-weight: 400;
    color: var(--cs-muted);
}

/* Tables */
.cs-table-wrap {
    overflow-x: auto;
    border: 1px solid var(--cs-rule);
    border-radius: 12px;
    background: #fff;
    box-shadow: var(--shadow-sm);
}

.cs-table {
    border-collapse: collapse;
    width: 100%;
    font-size: 14px;
    min-width: 560px;
}

.cs-table-wide {
    min-width: 720px;
}

.cs-table th,
.cs-table td {
    text-align: left;
    padding: 11px 16px;
    border-bottom: 1px solid var(--cs-rule);
    vertical-align: middle;
    white-space: nowrap; /* a narrow screen scrolls the table, it doesn't stack each cell */
}

.cs-table th {
    font-size: 11.5px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: var(--cs-muted);
    background: var(--bg-light);
    white-space: nowrap;
}

.cs-table tbody tr:last-child td {
    border-bottom: 0;
}

.cs-table tbody tr:hover td {
    background: #fafbfd;
}

.cs-table .cs-r {
    text-align: right;
}

.cs-pill {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 100px;
    white-space: nowrap;
    background: var(--cs-track);
    color: var(--cs-muted);
}

.cs-pill-ok {
    background: var(--cs-accent-soft);
    color: var(--cs-accent);
}

.cs-rate {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
}

.cs-rate .cs-num {
    font-weight: 600;
    min-width: 34px;
    text-align: right;
}

.cs-mini {
    width: 64px;
    height: 6px;
    background: var(--cs-track);
    border-radius: 3px;
    overflow: hidden;
}

.cs-mini i {
    display: block;
    height: 100%;
    background: var(--cs-accent);
}

/* Other conversations */
.cs-cards {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.cs-cards .cs-panel {
    padding: 18px 20px;
}

.cs-source {
    margin: 0;
    padding-top: 18px;
    border-top: 1px solid var(--cs-rule);
    font-size: 13px;
    line-height: 1.6;
    color: var(--cs-muted);
}

@media (max-width: 900px) {
    .cs-kpis {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

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

@media (max-width: 640px) {
    .cs-article {
        padding: 20px 16px 44px;
        gap: 40px;
    }

    .cs-kpis {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 10px;
    }

    .cs-kpi-v {
        font-size: 28px;
    }

    .cs-panel {
        padding: 18px 16px;
    }

    .cs-legend {
        grid-template-columns: 1fr;
    }

    .cs-frow {
        grid-template-columns: 1fr auto;
        gap: 6px 12px;
    }

    .cs-frow .cs-bar {
        grid-column: 1 / -1;
        grid-row: 2;
    }

    .cs-cols,
    .cs-xlab {
        gap: 4px;
    }

    .cs-n {
        font-size: 11px;
    }

    .cs-xlab {
        font-size: 11px;
    }

    .cs-xlab small {
        font-size: 9.5px;
    }
}