/* ==========================================================================
   Case Study Listing — variables
   ========================================================================== */
:root {
    --cs-bg: #0b0b0d;
    --cs-surface: #16161a;
    --cs-surface-alt: #1c1c21;
    --cs-border: #2a2a2f;
    --cs-text: #f5f5f5;
    --cs-text-muted: #9a9aa2;
    --cs-accent: #ff5e1a;
    --cs-radius: 14px;
}

.cs-archive { background: var(--cs-bg); color: var(--cs-text); padding: 48px 5vw 80px; }

/* ==========================================================================
   Breadcrumb + hero
   ========================================================================== */
.cs-breadcrumb { font-size: 13px; color: var(--cs-text-muted); margin-bottom: 20px; }
.cs-breadcrumb a { color: var(--cs-text-muted); text-decoration: none; }

.cs-hero { display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; margin-bottom: 32px; }
.cs-hero-left { flex: 1 1 480px; }

.cs-hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    background: var(--cs-surface); border: 1px solid var(--cs-border);
    padding: 6px 14px; border-radius: 999px; font-size: 13px; color: var(--cs-text-muted);
    margin-bottom: 20px;
}

.cs-hero-title {
    font-size: clamp(32px, 5vw, 52px); font-weight: 800; line-height: 1.05;
    text-transform: uppercase; margin: 0 0 16px;
}

.cs-hero-desc { color: var(--cs-text-muted); font-size: 16px; max-width: 520px; margin-bottom: 20px; }

.cs-trust-row { display: flex; flex-wrap: wrap; gap: 20px; font-size: 14px; color: var(--cs-text-muted); }
.cs-trust-row span { display: flex; align-items: center; gap: 6px; }

.cs-hero-stats {
    flex: 0 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 12px;
    align-content: start;
}
.cs-stat-box {
    background: var(--cs-surface); border: 1px solid var(--cs-border); border-radius: var(--cs-radius);
    padding: 16px 20px; min-width: 160px;
}
.cs-stat-box strong { display: block; font-size: 26px; font-weight: 800; margin-bottom: 4px; }
.cs-stat-box span { font-size: 13px; color: var(--cs-text-muted); }

/* ==========================================================================
   Search + chips
   ========================================================================== */
.cs-search-row {
    display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
    background: var(--cs-surface); border: 1px solid var(--cs-border); border-radius: 999px;
    padding: 10px 16px; margin-bottom: 20px;
}
.cs-search-input {
    flex: 1 1 220px; background: transparent; border: none; outline: none;
    color: var(--cs-text); font-size: 14px; min-width: 160px;
}
.cs-search-input::placeholder { color: var(--cs-text-muted); }

.cs-chip-group { display: flex; gap: 8px; flex-wrap: wrap; }
.cs-chip {
    background: var(--cs-surface-alt); border: 1px solid var(--cs-border); color: var(--cs-text-muted);
    font-size: 13px; padding: 6px 14px; border-radius: 999px; cursor: pointer; white-space: nowrap;
    transition: background .15s, color .15s;
}
.cs-chip.is-active { background: var(--cs-accent); color: #fff; border-color: var(--cs-accent); }

/* ==========================================================================
   Industry tabs
   ========================================================================== */
.cs-tabs {
    display: flex; gap: 24px; overflow-x: auto; border-bottom: 1px solid var(--cs-border);
    margin-bottom: 20px; padding-bottom: 2px;
}
.cs-tab {
    background: none; border: none; color: var(--cs-text-muted); font-size: 14px;
    padding: 10px 2px; cursor: pointer; white-space: nowrap; position: relative;
}
.cs-tab.is-active { color: var(--cs-accent); font-weight: 600; }
.cs-tab.is-active::after {
    content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 2px; background: var(--cs-accent);
}

.cs-showing-count { color: var(--cs-text-muted); font-size: 14px; margin-bottom: 20px; display: block; }

/* ==========================================================================
   Card grid
   ========================================================================== */
.cs-grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
    transition: opacity .15s;
}
.cs-grid.is-loading { opacity: .5; pointer-events: none; }

@media (max-width: 1024px) { .cs-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 680px)  { .cs-grid { grid-template-columns: 1fr; } .cs-hero { flex-direction: column; } }

.cs-card {
    display: block; background: var(--cs-surface); border: 1px solid var(--cs-border);
    border-radius: var(--cs-radius); overflow: hidden; text-decoration: none; color: inherit;
    transition: transform .18s, border-color .18s;
}
.cs-card:hover { transform: translateY(-4px); border-color: #3a3a40; }

.cs-card-media { position: relative; aspect-ratio: 4 / 3; overflow: hidden; background: #000; }
.cs-card-media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.cs-card-media-placeholder { width: 100%; height: 100%; background: linear-gradient(135deg, #1c1c21, #0b0b0d); }

.cs-badge {
    position: absolute; top: 12px; font-size: 11px; font-weight: 600; padding: 5px 10px;
    border-radius: 6px; color: #fff; text-transform: uppercase; letter-spacing: .02em;
}
.cs-badge-industry { left: 12px; background: rgba(0,0,0,.6); backdrop-filter: blur(4px); }
.cs-badge-service  { right: 12px; }

.cs-card-body { padding: 18px 20px 20px; }

.cs-card-meta-row { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.cs-card-meta { font-size: 12px; color: var(--cs-text-muted); text-transform: uppercase; letter-spacing: .03em; }
.cs-card-arrow { color: var(--cs-text-muted); font-size: 14px; }

.cs-card-title { font-size: 18px; font-weight: 700; margin: 0 0 8px; line-height: 1.3; }
.cs-card-excerpt { font-size: 13px; color: var(--cs-text-muted); margin: 0 0 16px; line-height: 1.5; }

.cs-stats-row {
    display: flex; border-top: 1px solid var(--cs-border); border-bottom: 1px solid var(--cs-border);
    padding: 12px 0; margin-bottom: 14px;
}
.cs-stat { flex: 1; text-align: left; padding-right: 8px; border-right: 1px solid var(--cs-border); }
.cs-stat:last-child { border-right: none; }
.cs-stat strong { display: block; font-size: 16px; font-weight: 800; }
.cs-stat span { display: block; font-size: 11px; color: var(--cs-text-muted); margin-top: 2px; }

.cs-tags-row { display: flex; flex-wrap: wrap; gap: 6px; }
.cs-tag {
    font-size: 11px; color: var(--cs-text-muted); background: var(--cs-surface-alt);
    border: 1px solid var(--cs-border); padding: 4px 9px; border-radius: 999px;
}

.cs-empty { color: var(--cs-text-muted); grid-column: 1 / -1; text-align: center; padding: 60px 0; }