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

  :root {
    --csx-bg:             #0A0F0E;
    --csx-surface:        #0F1716;
    --csx-card:           #121C1A;
    --csx-border:         #244440;
    --csx-violet:         #35B1A8;
    --csx-violet-bright:  #4FD0C6;
    --csx-violet-dim: rgba(53,177,168,0.12);
    --csx-green:          #E59F3D;
    --csx-text:           #EAF5F3;
    --csx-muted:          #82A29D;
    --csx-tag-bg:         #15302C;
  }

  body {
    background: var(--csx-bg);
    color: var(--csx-text);
    font-family: 'Inter', 'Space Grotesk', sans-serif;
    min-height: 100vh;
  }

  /* ── HEADER ── */
  .section-header {
    padding: 80px 40px 48px;
    max-width: 1200px;
    margin: 0 auto;
  }
  .section-eyebrow {
    font-family: 'Space Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--csx-green);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
  }
  .section-eyebrow::before {
    content: '';
    display: block;
    width: 24px;
    height: 1px;
    background: var(--csx-green);
  }
  .section-title {
    font-size: clamp(32px, 5vw, 52px);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
  }
  .section-title span {
    background: linear-gradient(90deg, var(--csx-violet-bright) 0%, var(--csx-green) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }
  .section-sub {
    font-size: 16px;
    color: var(--csx-muted);
    max-width: 520px;
    line-height: 1.6;
  }

  /* ── SUMMARY BAR ── */
  .summary-bar {
    max-width: 1200px;
    margin: 0 auto 48px;
    padding: 0 40px;
    display: grid;
    grid-template-columns: repeat(4,1fr);
    gap: 1px;
    background: var(--csx-border);
    border: 1px solid var(--csx-border);
    border-radius: 8px;
    overflow: hidden;
  }
  .summary-item {
    background: var(--csx-card);
    padding: 20px 24px;
    text-align: center;
  }
  .summary-val {
    font-family: 'Space Mono', monospace;
    font-size: 28px;
    font-weight: 700;
    background: linear-gradient(90deg, var(--csx-violet-bright) 0%, var(--csx-green) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 6px;
  }
  .summary-lbl {
    font-size: 11px;
    color: var(--csx-muted);
    letter-spacing: 0.08em;
    text-transform: uppercase;
  }

  /* ── FILTER BAR ── */
  .filter-bar {
    max-width: 1200px;
    margin: 0 auto 40px;
    padding: 0 40px;
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    align-items: center;
  }
  .filter-label {
    font-family: 'Space Mono', monospace;
    font-size: 10px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--csx-muted);
    margin-right: 8px;
  }
  .filter-btn {
    background: transparent;
    border: 1px solid var(--csx-border);
    color: var(--csx-muted);
    font-family: 'Inter', 'Space Grotesk', sans-serif;
    font-size: 12px;
    font-weight: 500;
    padding: 7px 16px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.18s ease;
    letter-spacing: 0.02em;
  }
  .filter-btn:hover { border-color: var(--csx-violet-bright); color: var(--csx-text); }
  .filter-btn.active {
    background: rgba(42,157,143,0.12);
    border-color: var(--csx-violet);
    color: var(--csx-green);
  }

  /* ── GRID ── */
  .cases-grid {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px 100px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 20px;
  }

  /* ── CARD ── */
  .case-card {
    background: var(--csx-card);
    border: 1px solid var(--csx-border);
    border-top: 2px solid transparent;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    transition: border-color 0.2s ease, border-top-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
    position: relative;
    display: flex;
    flex-direction: column;
  }
  .case-card:hover {
    border-top-color: var(--csx-violet-bright);
  }
  .case-card:hover {
    border-color: var(--csx-violet);
    transform: translateY(-3px);
    box-shadow: 0 16px 48px rgba(42,157,143,0.18);
  }
  .case-card.hidden { display: none; }

  .card-sku {
    position: absolute;
    top: 14px;
    left: 14px;
    background: rgba(10,10,15,0.82);
    border: 1px solid var(--csx-border);
    font-family: 'Space Mono', monospace;
    font-size: 9px;
    color: var(--csx-muted);
    padding: 4px 8px;
    border-radius: 3px;
    letter-spacing: 0.1em;
    z-index: 2;
    backdrop-filter: blur(4px);
  }
  .card-industry-tag {
    position: absolute;
    top: 14px;
    right: 14px;
    background: rgba(10,10,15,0.82);
    border: 1px solid rgba(42,157,143,0.4);
    font-size: 10px;
    font-weight: 600;
    color: var(--csx-green);
    padding: 4px 10px;
    border-radius: 3px;
    letter-spacing: 0.06em;
    z-index: 2;
    text-transform: uppercase;
    backdrop-filter: blur(4px);
  }

  /* Photo banner */
  .card-thumb {
    width: 100%;
    height: 210px;
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
  }
  .card-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
    transition: transform 0.4s ease;
  }
  .case-card:hover .card-thumb img { transform: scale(1.04); }
  .card-thumb::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 90px;
    background: linear-gradient(to bottom, transparent, var(--csx-card));
    pointer-events: none;
  }

  /* Stat strip */
  .card-stat-strip {
    display: flex;
    border-bottom: 1px solid var(--csx-border);
    flex-shrink: 0;
  }
  .stat-item {
    flex: 1;
    padding: 12px 14px;
    border-right: 1px solid var(--csx-border);
    text-align: center;
  }
  .stat-item:last-child { border-right: none; }
  .stat-value {
    font-family: 'Space Mono', monospace;
    font-size: 16px;
    font-weight: 700;
    color: var(--csx-green);
    line-height: 1;
    margin-bottom: 4px;
  }
  .stat-label {
    font-size: 9px;
    color: var(--csx-muted);
    letter-spacing: 0.08em;
    text-transform: uppercase;
  }

  /* Card body */
  .card-body {
    padding: 18px 20px 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
  }
  .card-client {
    font-size: 17px;
    font-weight: 700;
    color: var(--csx-text);
    margin-bottom: 3px;
    line-height: 1.2;
  }
  .card-location {
    font-size: 11px;
    color: var(--csx-muted);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 4px;
  }
  .card-before {
    font-size: 12px;
    color: var(--csx-muted);
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--csx-border);
    border-radius: 4px;
    padding: 7px 12px;
    margin-bottom: 12px;
    display: flex;
    gap: 8px;
    align-items: flex-start;
    line-height: 1.5;
  }
  .before-label {
    font-family: 'Space Mono', monospace;
    font-size: 9px;
    color: #ff6b6b;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    white-space: nowrap;
    padding-top: 2px;
    flex-shrink: 0;
  }
  .card-result {
    font-size: 13px;
    color: var(--csx-text);
    line-height: 1.55;
    flex: 1;
    margin-bottom: 14px;
    opacity: 0.85;
  }
  .card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 12px;
    border-top: 1px solid var(--csx-border);
  }
  .card-timeline {
    font-family: 'Space Mono', monospace;
    font-size: 10px;
    color: var(--csx-muted);
  }
  .card-cta {
    font-size: 11px;
    font-weight: 600;
    color: var(--csx-green);
    display: flex;
    align-items: center;
    gap: 4px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
  }
  .card-cta svg { transition: transform 0.15s ease; }
  .case-card:hover .card-cta svg { transform: translateX(3px); }

  /* ── MODAL ── */
  .modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.88);
    backdrop-filter: blur(6px);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
    overflow-y: auto;            /* allow the overlay itself to scroll */
    -webkit-overflow-scrolling: touch;
  }
  /* On short/phone screens, align modal to top so it's never pushed off-center */
  @media (max-height: 760px), (max-width: 600px) {
    .modal-overlay {
      align-items: flex-start;
      padding: 16px;
    }
  }
  .modal-overlay.open {
    opacity: 1;
    pointer-events: all;
  }
  .modal {
    background: var(--csx-surface);
    border: 1px solid var(--csx-border);
    border-radius: 12px;
    width: 100%;
    max-width: 700px;
    max-height: 90vh;
    overflow-y: auto;
    transform: translateY(20px);
    transition: transform 0.25s ease;
    scrollbar-width: thin;
    scrollbar-color: var(--csx-border) transparent;
  }
  .modal-overlay.open .modal { transform: translateY(0); }

  /* Modal hero image */
  .modal-hero {
    width: 100%;
    height: 240px;
    overflow: hidden;
    position: relative;
    border-radius: 12px 12px 0 0;
  }
  .modal-hero img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
  }
  .modal-hero::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 120px;
    background: linear-gradient(to bottom, transparent, var(--csx-surface));
  }

  .modal-header {
    padding: 20px 28px 20px;
    border-bottom: 1px solid var(--csx-border);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    position: sticky;
    top: 0;
    background: var(--csx-surface);
    z-index: 2;
  }
  .modal-sku {
    font-family: 'Space Mono', monospace;
    font-size: 10px;
    color: var(--csx-green);
    letter-spacing: 0.15em;
    margin-bottom: 5px;
  }
  .modal-client-name {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.01em;
    line-height: 1.1;
    margin-bottom: 3px;
  }
  .modal-location-line {
    font-size: 12px;
    color: var(--csx-muted);
  }
  .modal-close {
    background: var(--csx-border);
    border: none;
    color: var(--csx-muted);
    width: 32px; height: 32px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s, color 0.15s;
    flex-shrink: 0;
    margin-left: 16px;
  }
  .modal-close:hover { background: var(--csx-violet); color: #04100E; }

  .modal-body { padding: 24px 28px 28px; }

  .modal-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-bottom: 24px;
  }
  .modal-stat {
    background: var(--csx-card);
    border: 1px solid var(--csx-border);
    border-radius: 6px;
    padding: 14px;
    text-align: center;
  }
  .modal-stat-val {
    font-family: 'Space Mono', monospace;
    font-size: 20px;
    font-weight: 700;
    color: var(--csx-green);
    line-height: 1;
    margin-bottom: 5px;
  }
  .modal-stat-lbl {
    font-size: 10px;
    color: var(--csx-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
  }

  .modal-section { margin-bottom: 22px; }
  .modal-section-title {
    font-family: 'Space Mono', monospace;
    font-size: 10px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--csx-green);
    margin-bottom: 9px;
    display: flex;
    align-items: center;
    gap: 8px;
  }
  .modal-section-title::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--csx-border);
  }
  .modal-text {
    font-size: 14px;
    color: var(--csx-text);
    line-height: 1.65;
    opacity: 0.85;
  }
  .modal-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
  }
  .modal-tag {
    background: var(--csx-tag-bg);
    border: 1px solid var(--csx-border);
    color: var(--csx-muted);
    font-size: 11px;
    font-weight: 500;
    padding: 5px 12px;
    border-radius: 3px;
    letter-spacing: 0.04em;
  }
  .modal-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 20px;
    background: linear-gradient(90deg, var(--csx-green) 0%, var(--csx-violet) 100%);
    color: #fff;
    text-decoration: none;
    font-size: 13px;
    font-weight: 600;
    padding: 12px 22px;
    border-radius: 5px;
    transition: opacity 0.18s ease;
    letter-spacing: 0.03em;
  }
  .modal-link:hover { opacity: 0.88; }

  @media (max-width: 768px) {
    .section-header, .filter-bar, .cases-grid { padding-left: 20px; padding-right: 20px; }
    .cases-grid { grid-template-columns: 1fr; }
    .summary-bar { grid-template-columns: repeat(2,1fr); padding: 0 20px; }
    .modal-stats { grid-template-columns: repeat(2,1fr); }
    .modal-hero { height: 180px; }
  }