:root {
    --bg: #FFFDF2;
    --surface: #FFFFFF;
    --surface2: #F5F2E3;
    --black: #000000;
    --border: 2.5px solid #000000;
    --border-thin: 1.5px solid #000000;
    --accent-blue: #3b82f6;
    --accent-blue2: #2563eb;
    --accent-red: #E53E3E;
    --accent-yellow: #F6C90E;
    --accent-teal: #00BFA5;
    --accent-purple: #7C3AED;
    --text: #000000;
    --muted: #555555;
    --shadow: 4px 4px 0px #000000;
    --shadow-lg: 6px 6px 0px #000000;
    --shadow-hover: 8px 8px 0px #000000;
  }
  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }

  body {
    font-family: 'Space Grotesk', sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    overflow-x: hidden;
    /* dot grid background like image */
    background-image: radial-gradient(circle, #c8c5b0 1px, transparent 1px);
    background-size: 22px 22px;
  }

  /* HEADER */
  header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--bg);
    border-bottom: var(--border);
    padding: 0 2rem;
    background-image: radial-gradient(circle, #c8c5b0 1px, transparent 1px);
    background-size: 22px 22px;
  }
  .header-inner {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
    gap: 1rem;
  }
  .logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
  }
  .logo-icon {
    width: 40px;
    height: 40px;
    background: #000000;
    border: var(--border);
    border-radius: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    font-weight: 700;
    color: #FFFDF2;
    font-family: 'Space Mono', monospace;
    box-shadow: var(--shadow);
    overflow: hidden;
  }
  .logo-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 2px;
  }
  .logo-text {
    font-family: 'Space Mono', monospace;
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: -0.01em;
    color: #000000;
    text-transform: uppercase;
  }
  .logo-sub {
    font-size: 0.6rem;
    color: var(--muted);
    font-weight: 400;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    font-family: 'Space Mono', monospace;
  }
  .header-right { display: flex; align-items: center; gap: 1rem; }
  .badge {
    background: #000000;
    border: var(--border);
    color: #FFFDF2;
    padding: 0.3rem 0.9rem;
    border-radius: 0;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    font-family: 'Space Mono', monospace;
    box-shadow: 3px 3px 0 #555;
  }

  /* HERO */
  .hero {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 4rem 2rem 2.5rem;
  }
  .hero-inner {
    max-width: 800px;
    margin: 0 auto;
    border: var(--border);
    background: #FFFFFF;
    padding: 2.5rem 3rem;
    box-shadow: var(--shadow-lg);
    position: relative;
  }
  .hero-inner::before {
    content: '▌IBM SPSS SOFTWARE STORE';
    position: absolute;
    top: -13px;
    left: 1.5rem;
    background: var(--accent-yellow);
    border: var(--border);
    padding: 0 0.6rem;
    font-size: 0.65rem;
    font-family: 'Space Mono', monospace;
    font-weight: 700;
    letter-spacing: 0.1em;
  }
  .hero h1 {
    font-family: 'Space Mono', monospace;
    font-size: clamp(1.8rem, 4.5vw, 3.2rem);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.03em;
    margin-bottom: 0.8rem;
    text-transform: uppercase;
  }
  .hero h1 span {
    background: var(--accent-yellow);
    padding: 0 0.5rem;
    display: inline;
  }
  .hero p {
    color: var(--muted);
    font-size: 0.95rem;
    max-width: 480px;
    margin: 0 auto 1.5rem;
    line-height: 1.7;
  }
  .stats-row {
    display: flex;
    justify-content: center;
    gap: 0;
    flex-wrap: wrap;
    border: var(--border);
    display: inline-flex;
    box-shadow: var(--shadow);
  }
  .stat {
    text-align: center;
    padding: 0.75rem 1.75rem;
    border-right: var(--border);
  }
  .stat:last-child { border-right: none; }
  .stat-num {
    font-family: 'Space Mono', monospace;
    font-size: 1.5rem;
    font-weight: 700;
    color: #000000;
    display: block;
  }
  .stat-lbl {
    font-size: 0.62rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-family: 'Space Mono', monospace;
  }

  /* TOOLBAR */
  .toolbar {
    position: relative;
    z-index: 1;
    max-width: 1400px;
    margin: 0 auto 2rem;
    padding: 0 2rem;
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    align-items: center;
  }
  .search-wrap {
    flex: 1;
    min-width: 240px;
    position: relative;
  }
  .search-wrap svg {
    position: absolute;
    left: 0.9rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--muted);
  }
  .search-input {
    width: 100%;
    background: #FFFFFF;
    border: var(--border);
    border-radius: 0;
    padding: 0.75rem 1rem 0.75rem 2.6rem;
    color: var(--text);
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.9rem;
    font-weight: 500;
    outline: none;
    transition: box-shadow 0.15s;
    box-shadow: var(--shadow);
  }
  .search-input::placeholder { color: #999; }
  .search-input:focus { box-shadow: var(--shadow-hover); }

  .filter-btns { display: flex; gap: 0.5rem; flex-wrap: wrap; }
  .filter-btn {
    padding: 0.6rem 1rem;
    border-radius: 0;
    border: var(--border);
    background: #FFFFFF;
    color: #000000;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.78rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.15s;
    white-space: nowrap;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    box-shadow: var(--shadow);
  }
  .filter-btn:hover {
    background: #000000;
    color: #FFFDF2;
    box-shadow: var(--shadow-hover);
    transform: translate(-1px,-1px);
  }
  .filter-btn.active {
    background: #000000;
    color: #FFFDF2;
    box-shadow: var(--shadow);
  }

  /* GRID */
  .grid-container {
    position: relative;
    z-index: 1;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem 5rem;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
  }

  /* CARD */
  .card {
    background: #FFFFFF;
    border: var(--border);
    border-radius: 0;
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    transition: transform 0.15s, box-shadow 0.15s;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow);
    animation: fadeUp 0.35s ease both;
  }
  .card:hover {
    transform: translate(-3px,-3px);
    box-shadow: var(--shadow-hover);
  }

  @keyframes fadeUp {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
  }

  /* Colored top accent bar per category */
  .card-accent {
    height: 5px;
    width: 100%;
    background: #000;
  }
  .card-body { padding: 1.25rem 1.25rem 0; }
  .card-footer-area { padding: 0 1.25rem 1.25rem; }

  .card-top {
    display: flex;
    align-items: flex-start;
    gap: 0.9rem;
    margin-bottom: 0.9rem;
  }
  .app-icon {
    width: 52px;
    height: 52px;
    border: var(--border);
    border-radius: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.5rem;
    box-shadow: 3px 3px 0 #000;
  }
  .card-info { flex: 1; min-width: 0; }
  .card-title {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 0.88rem;
    line-height: 1.35;
    color: #000000;
    margin-bottom: 0.4rem;
    word-break: break-word;
  }
  .card-meta { display: flex; flex-wrap: wrap; gap: 0.35rem; }
  .tag {
    padding: 0.18rem 0.5rem;
    border-radius: 0;
    font-size: 0.63rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border: 1.5px solid #000;
    font-family: 'Space Mono', monospace;
  }
  .tag-windows { background: #DBEAFE; color: #1e40af; }
  .tag-mac     { background: #D1FAE5; color: #065f46; }
  .tag-linux   { background: #FEF3C7; color: #92400e; }
  .tag-iso     { background: #EDE9FE; color: #5b21b6; }
  .tag-fixpack { background: #FFE4E6; color: #9f1239; }
  .tag-standard{ background: #F3F4F6; color: #374151; }

  .card-divider {
    height: 0;
    border-top: var(--border-thin);
    margin: 0.9rem 0;
  }
  .card-details {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.9rem;
  }
  .detail-label {
    font-size: 0.6rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.18rem;
    font-family: 'Space Mono', monospace;
  }
  .detail-val {
    font-size: 0.88rem;
    font-weight: 700;
    color: #000000;
    font-family: 'Space Mono', monospace;
  }

  .btn-download {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    border-radius: 0;
    background: #3b82f6;
    color: #fff;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.85rem;
    font-weight: 700;
    text-decoration: none;
    border: var(--border);
    cursor: pointer;
    transition: all 0.15s;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    box-shadow: 3px 3px 0 #000;
  }
  .btn-download:hover {
    background: #2563eb;
    transform: translate(-2px,-2px);
    box-shadow: 5px 5px 0 #000;
  }
  .btn-download:active { transform: translate(0,0); box-shadow: 1px 1px 0 #000; }
  .btn-download svg { flex-shrink: 0; }

  /* no results */
  .no-results {
    grid-column: 1 / -1;
    text-align: center;
    padding: 4rem 2rem;
    border: var(--border);
    background: #fff;
    box-shadow: var(--shadow);
    color: var(--muted);
  }
  .no-results h3 { font-family: 'Space Mono', monospace; font-size: 1.3rem; margin-bottom: 0.5rem; color: #000; text-transform: uppercase; }

  /* FOOTER */
  footer {
    position: relative;
    z-index: 1;
    border-top: var(--border);
    padding: 1.5rem 2rem;
    text-align: center;
    color: var(--muted);
    font-size: 0.78rem;
    font-family: 'Space Mono', monospace;
    background-image: radial-gradient(circle, #c8c5b0 1px, transparent 1px);
    background-size: 22px 22px;
  }
  footer strong { color: #000000; }

  /* Scrollbar */
  ::-webkit-scrollbar { width: 6px; }
  ::-webkit-scrollbar-track { background: var(--bg); }
  ::-webkit-scrollbar-thumb { background: #000; border-radius: 0; }

  /* ===== LICENSE POPUP ===== */
  .modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 999;
    background: rgba(0,0,0,0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
  }
  .modal-overlay.show {
    opacity: 1;
    pointer-events: all;
  }
  .modal-box {
    background: #FFFDF2;
    border: var(--border);
    border-radius: 0;
    padding: 1.5rem;
    max-width: 450px;
    width: 100%;
    text-align: left;
    box-shadow: var(--shadow-lg);
    transform: scale(0.92) translateY(16px);
    transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.2s;
    opacity: 0;
    position: relative;
    overflow: hidden;
  }
  .modal-overlay.show .modal-box {
    transform: scale(1) translateY(0);
    opacity: 1;
  }
  /* warning header bar */
  .modal-header-bar {
    background: var(--accent-red);
    border-bottom: var(--border);
    padding: 0.7rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
  }
  .modal-header-bar .warn-icon {
    width: 32px;
    height: 32px;
    background: #FFFFFF;
    border: var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    flex-shrink: 0;
  }
  .modal-header-bar span {
    font-family: 'Space Mono', monospace;
    font-weight: 700;
    font-size: 0.85rem;
    color: #FFFFFF;
    text-transform: uppercase;
    letter-spacing: 0.06em;
  }
  .modal-content { padding: 1.5rem 1.5rem 0; }
  .modal-title {
    font-family: 'Space Mono', monospace;
    font-size: 1.15rem;
    font-weight: 700;
    color: #000000;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: -0.01em;
  }
  .modal-desc {
    color: var(--muted);
    font-size: 0.85rem;
    line-height: 1.65;
    margin-bottom: 0.85rem;
  }
  .modal-filename {
    background: var(--accent-yellow);
    border: var(--border);
    padding: 0.6rem 1rem;
    font-size: 0.78rem;
    color: #000000;
    font-family: 'Space Mono', monospace;
    font-weight: 700;
    margin-bottom: 1.5rem;
    word-break: break-word;
    line-height: 1.4;
    box-shadow: 3px 3px 0 #000;
  }
  .modal-actions {
    display: flex;
    gap: 0;
    border-top: var(--border);
  }
  .btn-modal-no {
    flex: 1;
    padding: 0.9rem 1rem;
    border: none;
    border-right: var(--border);
    background: #F5F2E3;
    color: #000000;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.85rem;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.15s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
  }
  .btn-modal-no:hover { background: #000000; color: #FFFDF2; }

  .btn-modal-yes {
    flex: 1.5;
    padding: 0.9rem 1rem;
    border: none;
    background: #3b82f6;
    color: #ffffff;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.85rem;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.15s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
  }
  .btn-modal-yes:hover { background: #2563eb; }

  .modal-note {
    padding: 0.65rem 1.5rem 1rem;
    font-size: 0.7rem;
    color: var(--muted);
    line-height: 1.5;
    font-family: 'Space Mono', monospace;
    border-top: var(--border-thin);
    margin-top: 0;
  }

  /* Toast */
  .toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 1100;
    background: #E53E3E;
    border: var(--border);
    color: #ffffff;
    padding: 0.8rem 1.2rem;
    border-radius: 0;
    font-size: 0.82rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: var(--shadow);
    transform: translateY(20px);
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.34,1.4,0.64,1);
    pointer-events: none;
    font-family: 'Space Grotesk', sans-serif;
    text-transform: uppercase;
    letter-spacing: 0.04em;
  }
  .toast.show { transform: translateY(0); opacity: 1; }

  @media (max-width: 600px) {
    .grid-container { grid-template-columns: 1fr; padding: 0 1rem 4rem; }
    .toolbar { padding: 0 1rem; }
    .hero { padding: 2rem 1rem 2rem; }
    .hero-inner { padding: 2rem 1.25rem; }
    header { padding: 0 1rem; }
    .stats-row { width: 100%; }
    .stat { flex: 1; }
  }