:root {
  --bg: #ffffff;
  --fg: #000000;
  --border: #e5e5e5;
  --muted: #888888;
  --card-bg: #f5f5f5;
  --accent: #dc2626;
  --accent-muted: rgba(220, 38, 38, 0.15);
  --map-fill: #f0f0f0;
  --map-stroke: #d4d4d4;
  --map-dot: #dc2626;
  --map-dot-glow: rgba(220, 38, 38, 0.3);
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: "SF Mono", "Fira Code", "Fira Mono", "Roboto Mono", monospace;
  --max-w: 1120px;
  --header-h: 56px;
}

[data-theme="dark"] {
  --bg: #000000;
  --fg: #ffffff;
  --border: #1a1a1a;
  --muted: #666666;
  --card-bg: #0a0a0a;
  --accent: #ef4444;
  --accent-muted: rgba(239, 68, 68, 0.12);
  --map-fill: #0a0a0a;
  --map-stroke: #1a1a1a;
  --map-dot: #ef4444;
  --map-dot-glow: rgba(239, 68, 68, 0.25);
}

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;scroll-behavior:smooth}
body{font-family:var(--font-sans);background:var(--bg);color:var(--fg);line-height:1.6;transition:background .3s,color .3s}
a{color:inherit;text-decoration:none}
img,svg{display:block}
.container{max-width:var(--max-w);margin:0 auto;padding:0 24px}

/* Header */
.header{position:fixed;top:0;left:0;right:0;height:var(--header-h);background:var(--bg);border-bottom:1px solid var(--border);z-index:100;transition:background .3s,border-color .3s}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:100%}
.logo{display:flex;align-items:center;gap:8px}
.logo-icon{width:24px;height:24px;flex-shrink:0}
.wordmark{font-size:16px;font-weight:600;letter-spacing:-.02em}
.nav{display:flex;align-items:center;gap:20px}

/* Dropdown */
.nav-dd-wrap{position:relative}
.nav-dd{position:absolute;top:100%;left:50%;transform:translateX(-50%);margin-top:8px;background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:6px;min-width:180px;display:none;z-index:200;box-shadow:0 8px 24px rgba(0,0,0,0.12)}
.nav-dd-wrap:hover .nav-dd,.nav-dd-wrap:focus-within .nav-dd{display:block}
.nav-dd::before{content:'';position:absolute;top:-6px;left:50%;transform:translateX(-50%);width:10px;height:10px;background:var(--bg);border-left:1px solid var(--border);border-top:1px solid var(--border);transform:translateX(-50%) rotate(45deg)}
.nav-dd-link{display:block;padding:8px 14px;font-size:13px;font-weight:500;letter-spacing:.02em;text-transform:lowercase;border-radius:4px;transition:background .15s;white-space:nowrap}
.nav-dd-link:hover{background:var(--card-bg)}
.nav-dd-link.active{color:var(--accent)}
.dd-arrow{font-size:10px;margin-left:2px;display:inline-block;transition:transform .2s}
.nav-dd-wrap:hover .dd-arrow{transform:rotate(180deg)}
.nav-link{font-size:13px;font-weight:500;letter-spacing:.03em;text-transform:lowercase;transition:opacity .2s;padding:4px 0;border-bottom:1px solid transparent}
.nav-link:hover{opacity:.5}
.nav-link.active{border-bottom-color:var(--fg)}
.theme-toggle{background:none;border:1px solid var(--border);border-radius:50%;width:34px;height:34px;display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--fg);transition:background .2s,border-color .2s;flex-shrink:0}
.theme-toggle:hover{background:var(--card-bg)}
.theme-toggle svg{width:16px;height:16px}
[data-theme="dark"] .theme-icon-light,[data-theme="light"] .theme-icon-dark{display:none}
[data-theme="dark"] .theme-icon-dark,[data-theme="light"] .theme-icon-light{display:block}

/* Hero */
.hero{position:relative;height:100vh;min-height:600px;overflow:hidden;display:flex;align-items:center}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg .leaflet-container{width:100%;height:100%;background:var(--bg)}
.hero-overlay{position:relative;z-index:1;width:100%;padding-top:var(--header-h)}
.hero-content{max-width:720px}
.hero-content{max-width:720px}
.hero-eyebrow{font-size:12px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:16px}
.hero-title{font-size:clamp(2.5rem,6vw,5rem);font-weight:800;line-height:.9;letter-spacing:-.04em;text-transform:lowercase;margin-bottom:16px}
.hero-sub{font-size:clamp(.95rem,1.5vw,1.1rem);line-height:1.6;color:#000;max-width:560px;margin-bottom:32px}
.hero-stats{display:flex;gap:40px}
.stat{display:flex;flex-direction:column}
.stat-number{font-size:2rem;font-weight:700;line-height:1;letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.stat-number .stat-accent{color:var(--accent)}
.stat-label{font-size:.75rem;color:var(--muted);text-transform:lowercase;letter-spacing:.05em;margin-top:4px}

/* Sections */
.section{padding:80px 0}
.section-alt{background:var(--card-bg);transition:background .3s}
.section-title{font-size:clamp(1.3rem,2.5vw,1.8rem);font-weight:700;letter-spacing:-.02em;text-transform:lowercase;margin-bottom:12px}
.section-title .title-accent{color:var(--accent)}
.section-desc{font-size:.95rem;line-height:1.7;color:var(--muted);max-width:600px;margin-bottom:40px}

/* Data grid */
.data-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;border:1px solid var(--border);border-radius:8px;overflow:hidden;transition:border-color .3s}
.data-card{padding:32px;background:var(--bg);transition:background .3s}
.data-card:nth-child(even){border-left:1px solid var(--border)}
.data-card:nth-child(n+3){border-top:1px solid var(--border)}
.data-card-accent{width:24px;height:3px;background:var(--accent);margin-bottom:12px;border-radius:2px}
.data-card-title{font-size:.95rem;font-weight:600;letter-spacing:-.01em;text-transform:lowercase;margin-bottom:6px}
.data-card-desc{font-size:.85rem;line-height:1.6;color:var(--muted)}

/* CTA */
.cta{display:inline-flex;align-items:center;gap:8px;padding:10px 24px;border:1px solid var(--border);border-radius:6px;font-size:.85rem;font-weight:500;letter-spacing:.03em;text-transform:lowercase;transition:background .2s,border-color .2s}
.cta:hover{background:var(--card-bg);border-color:var(--fg)}
.cta-primary{background:var(--fg);color:var(--bg);border-color:var(--fg)}
.cta-primary:hover{background:var(--accent);border-color:var(--accent);color:var(--bg)}
.cta-arrow{width:14px;height:14px;transition:transform .2s}
.cta:hover .cta-arrow{transform:translateX(3px)}

/* Page header */
.page-header{padding:120px 0 48px}
.page-header .section-desc{margin-bottom:0}

/* Footer */
.footer{border-top:1px solid var(--border);padding:24px 0;transition:border-color .3s}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.footer-wordmark{font-size:13px;font-weight:600;letter-spacing:-.01em}
.footer-links{display:flex;gap:16px;flex-wrap:wrap}
.footer-link{font-size:12px;color:var(--muted);letter-spacing:.03em;text-transform:lowercase;transition:color .2s}
.footer-link:hover{color:var(--fg)}
.footer-tag{font-size:12px;color:var(--muted);font-style:italic}

/* Table */
.table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:8px;transition:border-color .3s}
table{width:100%;border-collapse:collapse;font-size:.85rem}
th{text-align:left;padding:12px 16px;font-weight:600;font-size:.75rem;letter-spacing:.06em;text-transform:lowercase;border-bottom:1px solid var(--border);background:var(--card-bg);white-space:nowrap;cursor:pointer;user-select:none}
th:hover{opacity:.7}
td{padding:10px 16px;border-bottom:1px solid var(--border)}
tr:last-child td{border-bottom:none}
tr:hover td{background:var(--card-bg)}
.th-sort{display:inline-block;margin-left:4px;opacity:.3}
.th-sort.active{opacity:1;color:var(--accent)}

/* Search */
.search-wrap{position:relative;margin-bottom:24px}
.search-input{width:100%;padding:10px 16px;border:1px solid var(--border);border-radius:6px;background:var(--bg);color:var(--fg);font-size:.9rem;font-family:inherit;transition:border-color .2s;outline:none}
.search-input:focus{border-color:var(--fg)}
.search-input::placeholder{color:var(--muted)}

/* Filter tags */
.filter-bar{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px}
.filter-tag{padding:6px 14px;border:1px solid var(--border);border-radius:20px;font-size:.8rem;cursor:pointer;transition:all .2s;background:var(--bg);color:var(--muted);text-transform:lowercase}
.filter-tag:hover{border-color:var(--fg);color:var(--fg)}
.filter-tag.active{background:var(--fg);color:var(--bg);border-color:var(--fg)}

/* Page layout */
.page-wrap{min-height:100vh;display:flex;flex-direction:column}
.page-wrap main{flex:1}
.content-section{padding:120px 0 60px}
.content-section-sm{padding:60px 0}

@media(max-width:768px){
  .hero-stats{gap:24px}
  .stat-number{font-size:1.5rem}
  .data-grid{grid-template-columns:1fr}
  .data-card:nth-child(even){border-left:none}
  .data-card:nth-child(n+2){border-top:1px solid var(--border)}
  .hide-mobile{display:none}
  .nav{gap:12px}
  .section{padding:60px 0}
  .page-header{padding:100px 0 32px}
  .hero{padding-top:var(--header-h)}
  .faq-item{padding:16px 0}
  .hero-eyebrow{font-size:11px}
  .hero-title{font-size:clamp(2rem,10vw,3rem)}
  .hero-sub{font-size:.9rem}
  .cities-grid{grid-template-columns:1fr!important}
  #groupGrid{grid-template-columns:1fr!important}
  #contractStats{grid-template-columns:1fr!important}
  .faq-q{font-size:.9rem}
}

@media(max-width:480px){
  .nav{gap:8px}
  .nav-link{font-size:11px}
  .hero-stats{flex-direction:column;gap:16px}
  .hero-title{font-size:clamp(1.8rem,12vw,2.5rem)}
  .hero-sub{font-size:.85rem;margin-bottom:24px}
  .stat-number{font-size:1.3rem}
  .container{padding:0 16px}
  .data-card{padding:20px}
  .table-wrap{font-size:.8rem}
  th,td{padding:8px 10px}
  .content-section-sm{padding:32px 0}
  .page-header{padding:80px 0 24px}
  .section-title{font-size:1.2rem}
  .section-desc{font-size:.85rem;margin-bottom:24px}
  .cta{font-size:.8rem;padding:8px 16px}
  .search-input{font-size:.85rem}
  .filter-tag{font-size:.75rem;padding:4px 10px}
  #groupCount{font-size:.85rem!important}
  .footer-wordmark,.footer-link,.footer-tag{font-size:11px}
  .about-links{gap:8px}
  .about-link{font-size:.8rem;padding:8px 14px}
  .nav-dd{position:fixed;top:auto;left:0;right:0;bottom:auto;transform:none;margin-top:0;border-radius:0;border-left:none;border-right:none;max-height:60vh;overflow-y:auto}
  .nav-dd::before{display:none}
}

@media(max-width:360px){
  .nav-link{font-size:10px}
  .container{padding:0 12px}
  .wordmark{font-size:13px}
  .logo-icon{width:20px;height:20px}
}

/* Animations */
@keyframes fadeUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.5}}
.hero-content>*{animation:fadeUp .8s ease-out forwards}
.hero-content>*:nth-child(2){animation-delay:.1s}
.hero-content>*:nth-child(3){animation-delay:.2s}
.hero-content>*:nth-child(4){animation-delay:.3s}