:root {
    --bg: #faf7f2; --surface: #ffffff; --border: #e8e0d0; --border-hover: #d4a96a;
    --text-primary: #1a1510; --text-secondary: #6b5f4e; --text-muted: #a89880;
    --accent: #c97c2a; --accent-light: #f5e6cc; --accent-glow: rgba(201,124,42,0.12);
    --shadow-sm: 0 1px 3px rgba(26,21,16,0.06), 0 1px 2px rgba(26,21,16,0.04);
    --shadow-hover: 0 8px 32px rgba(201,124,42,0.14), 0 2px 8px rgba(26,21,16,0.06);
    --radius: 12px; --transition: 0.22s cubic-bezier(0.4,0,0.2,1);
  }
  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
  body { font-family: 'DM Sans', sans-serif; background: var(--bg); color: var(--text-primary); min-height: 100vh; display: flex; flex-direction: column; -webkit-font-smoothing: antialiased; }
  body::before { content: ''; position: fixed; inset: 0; background-image: radial-gradient(ellipse 80% 50% at 50% -10%, rgba(201,124,42,0.07) 0%, transparent 60%); pointer-events: none; z-index: 0; }
 
  /* ── Header ── */
  header { position: relative; z-index: 1; padding: 56px 24px 40px; text-align: center; animation: fadeDown 0.5s ease both; }
  .header-badge { display: inline-flex; align-items: center; gap: 6px; background: var(--accent-light); color: var(--accent); font-family: 'DM Mono', monospace; font-size: 11px; font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase; padding: 5px 12px; border-radius: 99px; border: 1px solid rgba(201,124,42,0.2); margin-bottom: 20px; }
  .header-badge::before { content: ''; width: 6px; height: 6px; background: var(--accent); border-radius: 50%; animation: pulse 2s ease-in-out infinite; }
  header h1 { font-size: clamp(28px, 5vw, 42px); font-weight: 600; letter-spacing: -0.02em; line-height: 1.15; margin-bottom: 10px; }
  header p { font-size: 16px; color: var(--text-secondary); font-weight: 300; margin-bottom: 32px; }
 
  /* ── Search ── */
  .search-wrapper { position: relative; max-width: 420px; margin: 0 auto; }
  .search-icon { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); width: 18px; height: 18px; color: var(--text-muted); pointer-events: none; transition: color var(--transition); }
  .search-wrapper:focus-within .search-icon { color: var(--accent); }
  .search-bar { width: 100%; padding: 12px 16px 12px 42px; background: var(--surface); border: 1.5px solid var(--border); border-radius: var(--radius); font-family: 'DM Sans', sans-serif; font-size: 15px; color: var(--text-primary); outline: none; box-shadow: var(--shadow-sm); transition: border-color var(--transition), box-shadow var(--transition); }
  .search-bar::placeholder { color: var(--text-muted); }
  .search-bar:focus { border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-glow), var(--shadow-sm); }
 
  /* ── Sections ── */
  .section-wrap { position: relative; z-index: 1; max-width: 1200px; margin: 0 auto; padding: 0 32px 56px; }
 
  .category { margin-bottom: 10px; margin-top: 28px; }
  .category-label { font-size: 11px; font-family: 'DM Mono', monospace; font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-muted); display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
  .category-label::after { content: ''; flex: 1; height: 1px; background: var(--border); }
  .category-label .cat-count { background: var(--accent-light); color: var(--accent); padding: 2px 8px; border-radius: 99px; font-size: 10px; border: 1px solid rgba(201,124,42,0.2); }
 
  /* ── Grid ── */
  .tool-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
 
  /* ── Tool Card ── */
  .tool-card { display: block; background: var(--surface); border: 1.5px solid var(--border); border-radius: var(--radius); padding: 20px; text-decoration: none; color: inherit; box-shadow: var(--shadow-sm); transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition); position: relative; overflow: hidden; animation: fadeUp 0.4s ease both; }
  .tool-card::before { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, var(--accent-glow) 0%, transparent 60%); opacity: 0; transition: opacity var(--transition); }
  .tool-card:hover::before { opacity: 1; }
  .tool-card:hover { transform: translateY(-3px); border-color: var(--border-hover); box-shadow: var(--shadow-hover); }
  .tool-card:active { transform: translateY(-1px); }
  .tool-card.hidden { display: none !important; }
 
  .tool-icon { width: 34px; height: 34px; background: var(--accent-light); border-radius: 8px; display: flex; align-items: center; justify-content: center; margin-bottom: 11px; font-size: 14px; font-family: 'DM Mono', monospace; font-weight: 500; color: var(--accent); flex-shrink: 0; transition: background var(--transition), transform var(--transition); }
  .tool-card:hover .tool-icon { background: rgba(201,124,42,0.2); transform: scale(1.08); }
  .tool-card h2 { font-size: 14px; font-weight: 600; color: var(--text-primary); margin-bottom: 4px; letter-spacing: -0.01em; padding-right: 16px; }
  .tool-card p { font-size: 12.5px; color: var(--text-secondary); font-weight: 400; line-height: 1.5; }
  .card-arrow { position: absolute; top: 18px; right: 16px; color: var(--text-muted); opacity: 0; transform: translateX(-4px); transition: opacity var(--transition), transform var(--transition), color var(--transition); font-size: 14px; }
  .tool-card:hover .card-arrow { opacity: 1; transform: translateX(0); color: var(--accent); }
 
  /* No results */
  .no-results { text-align: center; padding: 56px 24px; color: var(--text-muted); font-family: 'DM Mono', monospace; font-size: 14px; display: none; }
  .no-results.visible { display: block; }
 
  /* ── Footer ── */
footer { position: relative; z-index: 1; margin-top: auto; padding: 28px 24px; text-align: center; border-top: 1px solid var(--border); display: flex; flex-direction: column; gap: 12px; }
footer p { font-size: 13px; color: var(--text-muted); font-family: 'DM Mono', monospace; }
.footer-nav { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 4px; }
.footer-nav a { font-size: 12px; color: var(--text-muted); text-decoration: none; font-family: 'DM Mono', monospace; padding: 2px 6px; transition: color var(--transition); }
.footer-nav a:hover { color: var(--accent); }
.footer-sep { font-size: 12px; color: var(--border); font-family: 'DM Mono', monospace; }
 
  /* ── Animations ── */
  @keyframes fadeDown { from { opacity: 0; transform: translateY(-12px); } to { opacity: 1; transform: translateY(0); } }
  @keyframes fadeUp   { from { opacity: 0; transform: translateY(14px); }  to { opacity: 1; transform: translateY(0); } }
  @keyframes pulse    { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.5; transform: scale(0.8); } }
 
  @media (max-width: 1000px) { .tool-grid { grid-template-columns: repeat(4, 1fr); } }
  @media (max-width: 780px)  { .tool-grid { grid-template-columns: repeat(3, 1fr); } }
  @media (max-width: 560px)  { .tool-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; } header { padding: 40px 20px 28px; } .section-wrap { padding: 0 16px 48px; } }
  @media (max-width: 340px)  { .tool-grid { grid-template-columns: 1fr; } }