:root {
      --primary: #2563eb; --success: #10b981; --dark: #0f172a; --muted: #64748b;
      --bg: #f8fafc; --card-bg: #ffffff; --text: #0f172a; --border: #e2e8f0; --radius: 20px;
    }

    [data-theme="dark"] {
      --bg: #0f172a; --card-bg: #1e293b; --text: #f8fafc; --border: #334155; --muted: #94a3b8;
    }

    * { box-sizing: border-box; -webkit-tap-highlight-color: transparent; scroll-behavior: smooth; transition: background 0.3s, color 0.3s; }
    body { font-family: 'Plus Jakarta Sans', sans-serif; background: var(--bg); color: var(--text); margin: 0; line-height: 1.6; }

    .nav { background: var(--card-bg); padding: 1rem 5%; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; position: sticky; top: 0; z-index: 1000; }
    .logo { font-weight: 800; font-size: 1.3rem; color: var(--primary); text-decoration: none; }
    .nav-controls { display: flex; gap: 10px; align-items: center; }
    .lang-select { padding: 8px 12px; border-radius: 10px; border: 1px solid var(--border); background: var(--bg); color: var(--text); font-weight: 700; cursor: pointer; outline: none; font-family: inherit; }
    .theme-toggle { background: var(--border); border: none; padding: 8px 12px; border-radius: 10px; cursor: pointer; color: var(--text); font-weight: 700; }

    @media (max-width: 480px) {
      .nav { padding: 12px 15px; justify-content: center; }
      .logo { font-size: 1.2rem; }
      .nav-controls { width: 100%; justify-content: center; }
      .lang-select, .theme-toggle { font-size: 0.85rem; padding: 6px 10px; }
    }

    .hero { text-align: center; padding: 50px 20px 30px; background: var(--card-bg); border-bottom: 1px solid var(--border); }
    .hero h1 { font-size: clamp(1.8rem, 5vw, 2.8rem); font-weight: 800; margin: 0; letter-spacing: -0.04em; }
    .hero p { max-width: 600px; margin: 15px auto; color: var(--muted); font-size: 1.05rem; }

    .meta-info { display: inline-flex; align-items: center; justify-content: center; gap: 10px; background: rgba(37, 99, 235, 0.1); padding: 8px 16px; border-radius: 20px; font-size: 0.85rem; font-weight: 700; color: var(--primary); margin-top: 15px; }

    .trust-bar { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; margin-bottom: 20px; }
    .trust-badge { background: var(--card-bg); border: 1px solid var(--border); padding: 8px 14px; border-radius: 20px; font-size: 0.8rem; font-weight: 700; color: var(--muted); display: flex; align-items: center; gap: 5px; box-shadow: 0 2px 4px rgba(0,0,0,0.02); }
    .trust-badge span { color: var(--success); font-size: 1rem; }

    .container { max-width: 1200px; margin: 30px auto; padding: 0 15px; display: flex; flex-direction: column; gap: 30px; }

    @media (min-width: 1024px) {
      .container { display: grid; grid-template-columns: 1fr 380px; align-items: start; }
      .calc-wrap { grid-column: 1; grid-row: 1; }
      .content-wrap { grid-column: 1; grid-row: 2; }
      .sidebar { grid-column: 2; grid-row: 1 / span 2; position: sticky; top: 100px; }
    }

    .card { background: var(--card-bg); border-radius: var(--radius); padding: 25px; border: 1px solid var(--border); margin-bottom: 25px; }
    .section-title { display: block; font-weight: 800; font-size: 0.85rem; margin-bottom: 20px; text-transform: uppercase; color: var(--muted); letter-spacing: 0.05em; }

    .state-select { width: 100%; padding: 14px; border-radius: 12px; border: 2.5px solid var(--primary); background: var(--card-bg); color: var(--text); font-weight: 700; font-size: 1.1rem; cursor: pointer; margin-bottom: 5px; outline: none; }

    .input-hint { font-size: 0.75rem; color: var(--muted); margin-bottom: 10px; line-height: 1.3; font-weight: 400; }

    .input-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
    @media (max-width: 480px) { .input-grid { grid-template-columns: 1fr; } }
    label.field-label { font-size: 0.8rem; font-weight: 700; color: var(--text); margin-bottom: 4px; display: block; cursor: pointer; }
    .field { position: relative; }
    .field span { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: #94a3b8; font-weight: 700; }
    input, select.basic-select { width: 100%; padding: 12px 12px 12px 30px; border: 2.5px solid var(--border); border-radius: 12px; font-size: 1rem; background: var(--bg); color: var(--text); outline: none; transition: border-color 0.2s; }
    select.basic-select { padding-left: 12px; }
    input:focus, select.basic-select:focus { border-color: var(--primary); }

    .adv-toggle { width: 100%; padding: 12px; background: rgba(37, 99, 235, 0.05); border: 1.5px dashed var(--primary); color: var(--primary); font-weight: 700; border-radius: 12px; cursor: pointer; margin-top: 20px; transition: all 0.3s; font-family: inherit; font-size: 0.9rem; }
    .adv-toggle:hover { background: rgba(37, 99, 235, 0.1); }
    .advanced-panel { padding: 20px; background: var(--bg); border: 1px solid var(--border); border-radius: 12px; margin-top: 15px; display: none; }

    /* Modern Tabs System */
    .tabs-container { margin-top: 15px; }
    .tabs-header { display: flex; gap: 10px; margin-bottom: 20px; flex-wrap: wrap; background: var(--card-bg); padding: 10px; border-radius: 16px; border: 1px solid var(--border); }
    .tab-btn { flex: 1; padding: 14px 10px; background: transparent; border: none; border-radius: 10px; cursor: pointer; font-weight: 800; font-size: 0.9rem; color: var(--muted); transition: 0.3s ease; font-family: inherit; text-align: center; }
    .tab-btn:hover { background: var(--bg); color: var(--text); }
    .tab-btn.active { background: var(--primary); color: white; box-shadow: 0 4px 10px rgba(37, 99, 235, 0.3); }

    .tab-content { display: none; animation: fadeIn 0.4s ease; }
    .tab-content.active { display: block; }
    @keyframes fadeIn { from { opacity: 0; transform: translateY(5px); } to { opacity: 1; transform: translateY(0); } }

    /* Tab 1: Detailed Results */
    .detailed-result-box { background: var(--card-bg); border: 2px solid var(--border); border-radius: 24px; padding: 30px; box-shadow: 0 10px 30px -10px rgba(0,0,0,0.05); }
    .detailed-result-box.winner-cobra { border-color: var(--success); background: rgba(16, 185, 129, 0.03); }
    .detailed-result-box.winner-aca { border-color: var(--primary); background: rgba(37, 99, 235, 0.03); }
    .dr-title { font-size: 1.5rem; font-weight: 800; margin-bottom: 20px; }
    .winner-cobra .dr-title { color: var(--success); }
    .winner-aca .dr-title { color: var(--primary); }
    .dr-content { font-size: 1.05rem; color: var(--text); line-height: 1.8; }
    .dr-content strong { color: var(--dark); font-weight: 800; background: rgba(0,0,0,0.05); padding: 2px 6px; border-radius: 6px; }
    [data-theme="dark"] .dr-content strong { background: rgba(255,255,255,0.1); color: #fff; }
    .dr-content ul { padding-left: 20px; margin-top: 20px; }
    .dr-content li { margin-bottom: 12px; }

    /* Tab 2: Visual Charts */
    .chart-box { background: var(--card-bg); border: 1px solid var(--border); border-radius: 24px; padding: 30px; box-shadow: 0 10px 30px -10px rgba(0,0,0,0.05); }
    .charts-grid { display: grid; grid-template-columns: 1fr; gap: 30px; }
    @media (min-width: 600px) { .charts-grid { grid-template-columns: 1fr 1fr; } .main-chart { grid-column: 1 / span 2; } }
    .chart-container { position: relative; height: 250px; width: 100%; }
    .main-chart .chart-container { height: 320px; }
    .chart-title { font-size: 0.9rem; font-weight: 800; text-align: center; color: var(--text); text-transform: uppercase; margin-bottom: 15px; letter-spacing: 1px; border-bottom: 2px dashed var(--border); padding-bottom: 10px; }

    /* Tab 3: Calculation Math */
    .math-box { background: var(--bg); border: 1px solid var(--border); border-radius: 16px; padding: 25px; margin-bottom: 20px; }
    .math-box h4 { margin-top: 0; color: var(--primary); font-size: 1.15rem; border-bottom: 2px dashed var(--border); padding-bottom: 12px; margin-bottom: 15px; }
    .math-row { display: flex; justify-content: space-between; margin-bottom: 10px; font-size: 1rem; border-bottom: 1px solid rgba(0,0,0,0.05); padding-bottom: 8px; }
    [data-theme="dark"] .math-row { border-bottom-color: rgba(255,255,255,0.05); }
    .math-row.total { font-weight: 800; font-size: 1.2rem; border-bottom: none; padding-top: 15px; margin-top: 15px; border-top: 2px solid var(--border); }
    .math-row.total span:last-child { color: var(--primary); }

    /* Sidebar & sticky */
    .sticky-res { background: var(--card-bg); border: 2px solid var(--primary); padding: 30px; border-radius: 24px; text-align: center; }
    .main-price { font-size: 3.5rem; font-weight: 800; color: var(--primary); margin: 10px 0; }
    .result-breakdown { font-size: 0.8rem; color: var(--muted); margin-top: 20px; border-top: 1px dashed var(--border); padding-top: 15px; line-height: 1.6; text-align: left; }
    .result-breakdown strong { color: var(--text); display: block; margin-bottom: 5px; }

    .embed-box { background: var(--card-bg); border: 1px dashed var(--border); border-radius: 16px; padding: 25px; margin-top: 40px; text-align: left; }
    .embed-code { width: 100%; height: 60px; background: var(--bg); color: var(--muted); border: 1px solid var(--border); border-radius: 8px; padding: 10px; font-family: monospace; font-size: 0.75rem; resize: none; outline: none; margin-bottom: 10px; }
    .copy-btn { background: var(--text); color: var(--card-bg); border: none; padding: 10px 15px; border-radius: 10px; cursor: pointer; font-weight: 700; width: 100%; font-size: 0.9rem; }
    .copy-btn:hover { background: var(--muted); }

    .comp-table { width: 100%; border-collapse: collapse; margin: 30px 0; background: var(--card-bg); border-radius: 16px; overflow: hidden; border: 1px solid var(--border); }
    .comp-table th { background: var(--bg); padding: 15px; font-weight: 800; text-align: left; }
    .comp-table td { padding: 15px; border-top: 1px solid var(--border); font-size: 0.95rem; }
    .comp-table a { color: var(--primary); text-decoration: none; font-weight: 600; }
    .comp-table a:hover { text-decoration: underline; }

    .state-search-input { width: 100%; padding: 12px 15px; border-radius: 12px; border: 2px solid var(--border); background: var(--bg); color: var(--text); font-size: 1rem; margin-bottom: 15px; outline: none; transition: border 0.3s ease; }
    .state-search-input:focus { border-color: var(--primary); }
    .table-scroll-wrap { max-height: 380px; overflow-y: auto; border: 1px solid var(--border); border-radius: 12px; background: var(--card-bg); }
    .table-scroll-wrap::-webkit-scrollbar { width: 8px; }
    .table-scroll-wrap::-webkit-scrollbar-track { background: var(--bg); border-radius: 12px; }
    .table-scroll-wrap::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 12px; }
    .state-table.comp-table { margin: 0; border: none; border-radius: 0; }
    .state-table.comp-table th { position: sticky; top: 0; z-index: 5; box-shadow: 0 2px 5px rgba(0,0,0,0.05); }

    .faq-item { border-bottom: 1px solid var(--border); padding: 18px 0; }
    .faq-question { font-weight: 700; cursor: pointer; display: flex; justify-content: space-between; align-items: center; color: var(--primary); font-size: 1rem; outline: none; padding: 5px; border-radius: 5px; }
    .faq-question:focus-visible { border: 2px solid var(--primary); }
    .faq-answer { display: none; padding-top: 12px; font-size: 0.95rem; color: var(--muted); line-height: 1.6; }
    .faq-item.active .faq-answer { display: block; }

    .seo-content { padding: 25px; background: var(--card-bg); border-radius: var(--radius); border: 1px solid var(--border); margin-bottom: 25px; }
    .seo-content h2 { font-size: 1.5rem; margin-top: 0; color: var(--primary); }
    .seo-content h3 { font-size: 1.2rem; margin-top: 25px; color: var(--text); }
    .seo-content h4 { font-size: 1.05rem; margin-top: 20px; margin-bottom: 10px; color: var(--primary); }
    .seo-content p, .seo-content ul { color: var(--muted); font-size: 0.95rem; line-height: 1.7; }
    .seo-content ul { padding-left: 20px; }
    .seo-content li { margin-bottom: 10px; }
    .seo-content a { color: var(--primary); font-weight: 600; text-decoration: none; }
    .seo-content a:hover { text-decoration: underline; }

    .trust-section { background: rgba(16, 185, 129, 0.05); border-left: 4px solid var(--success); }
    .trust-section h2 { color: var(--success); }

    .dynamic-state-article { background: rgba(37, 99, 235, 0.05); border-left: 4px solid var(--primary); padding: 25px; border-radius: var(--radius); margin-bottom: 25px; display: none; }
    .dynamic-state-article h2 { color: var(--primary); margin-top: 0; font-size: 1.4rem; }

    .disclaimer { font-size: 0.75rem; color: var(--muted); line-height: 1.4; padding: 15px; border-left: 3px solid var(--border); }

    footer { text-align: center; padding: 40px 20px; color: var(--muted); border-top: 1px solid var(--border); margin-top: 60px; font-size: 0.9rem; }
    .footer-links { display: flex; justify-content: center; gap: 20px; flex-wrap: wrap; margin-top: 15px; }
    .footer-links a { color: var(--muted); text-decoration: none; font-weight: 600; cursor: pointer; }
    .footer-links a:hover { color: var(--primary); text-decoration: underline; }

    .btn-wa { display: block; background: #25d366; color: white; padding: 14px; border-radius: 12px; text-decoration: none; font-weight: 700; margin-top: 15px; text-align: center; }

    .modal-overlay { display: none; position: fixed; z-index: 2000; left: 0; top: 0; width: 100%; height: 100%; background-color: rgba(15, 23, 42, 0.75); backdrop-filter: blur(4px); align-items: center; justify-content: center; padding: 20px; }
    .modal-overlay.active { display: flex; animation: fadeIn 0.3s ease; }
    @keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

    .modal-box { background: var(--card-bg); padding: 30px; border-radius: 20px; max-width: 600px; width: 100%; max-height: 85vh; overflow-y: auto; position: relative; border: 1px solid var(--border); box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25); outline: none; }
    .modal-close { position: absolute; top: 20px; right: 20px; background: var(--bg); border: 1px solid var(--border); color: var(--text); width: 32px; height: 32px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; cursor: pointer; font-size: 1.2rem; }
    .modal-close:hover { background: var(--border); }
    .modal-close:focus-visible { border: 2px solid var(--primary); outline: none; }
    .modal-title { font-size: 1.4rem; font-weight: 800; color: var(--primary); margin-top: 0; margin-bottom: 15px; }
    .modal-body p { font-size: 0.95rem; color: var(--muted); line-height: 1.6; margin-bottom: 15px; }
    .modal-body h4 { margin-top: 20px; margin-bottom: 10px; color: var(--text); }

/* ===== Programmatic SEO additions: breadcrumb, compare bars, browse grid, badges ===== */
.breadcrumb { font-size: 0.8rem; color: var(--muted); margin: 0 0 12px; }
.breadcrumb a { color: var(--primary); text-decoration: none; font-weight: 700; }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb .sep { margin: 0 6px; opacity: 0.5; }

.info-badges { display: flex; gap: 10px; flex-wrap: wrap; margin: 18px 0; justify-content: center; }
.info-badge { background: var(--card-bg); border: 1px solid var(--border); border-radius: 14px; padding: 10px 16px; font-size: 0.78rem; color: var(--muted); text-align: center; min-width: 140px; }
.info-badge b { display: block; font-size: 1rem; color: var(--primary); margin-bottom: 2px; font-weight: 800; }

.compare-bars { margin: 22px 0 6px; }
.compare-row { margin-bottom: 16px; }
.compare-row-label { display: flex; justify-content: space-between; align-items: baseline; font-size: 0.82rem; font-weight: 800; margin-bottom: 8px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--text); }
.compare-row-label .delta { font-size: 0.75rem; font-weight: 800; text-transform: none; letter-spacing: 0; padding: 2px 8px; border-radius: 8px; }
.delta.up { background: rgba(239,68,68,0.12); color: #ef4444; }
.delta.down { background: rgba(16,185,129,0.12); color: var(--success); }
.compare-bar-wrap { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; }
.compare-bar-name { width: 92px; font-size: 0.72rem; font-weight: 700; color: var(--muted); flex-shrink: 0; }
.compare-bar-bg { flex: 1; background: var(--bg); border-radius: 8px; height: 12px; overflow: hidden; border: 1px solid var(--border); }
.compare-bar-fill { height: 100%; border-radius: 8px 0 0 8px; transition: width 0.6s ease; }
.compare-bar-fill.cobra { background: linear-gradient(90deg, #fb923c, #ef4444); }
.compare-bar-fill.aca { background: linear-gradient(90deg, #38bdf8, var(--primary)); }
.compare-bar-fill.natl { background: var(--muted); opacity: 0.55; }
.compare-bar-val { width: 70px; text-align: right; font-size: 0.8rem; font-weight: 800; flex-shrink: 0; }

.browse-intro { font-size: 0.9rem; color: var(--muted); margin: 0 0 15px; }
.browse-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(145px, 1fr)); gap: 10px; }
.state-card { background: var(--bg); border: 1.5px solid var(--border); border-left: 4px solid var(--border); border-radius: 14px; padding: 12px 14px; text-decoration: none; color: var(--text); transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease; display: block; }
.state-card:hover { transform: translateY(-3px); box-shadow: 0 10px 22px -10px rgba(0,0,0,0.18); border-color: var(--primary); }
.state-card.cheaper { border-left-color: var(--success); }
.state-card.costlier { border-left-color: #f59e0b; }
.state-card .sc-name { font-weight: 800; font-size: 0.92rem; margin-bottom: 4px; }
.state-card .sc-stats { font-size: 0.72rem; color: var(--muted); line-height: 1.5; }
.state-card .sc-stats b { color: var(--text); font-weight: 800; }
.state-card .sc-tag { display: inline-block; font-size: 0.62rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.05em; padding: 2px 7px; border-radius: 6px; margin-top: 6px; }
.state-card.cheaper .sc-tag { background: rgba(16,185,129,0.12); color: var(--success); }
.state-card.costlier .sc-tag { background: rgba(245,158,11,0.15); color: #d97706; }
[data-theme="dark"] .state-card.costlier .sc-tag { color: #fbbf24; }

.related-states { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.related-states a { background: var(--bg); border: 1px solid var(--border); border-radius: 20px; padding: 7px 16px; font-size: 0.8rem; font-weight: 700; color: var(--text); text-decoration: none; transition: all 0.15s ease; }
.related-states a:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

.guide-cta { display: inline-flex; align-items: center; gap: 8px; background: var(--primary); color: #fff !important; padding: 12px 22px; border-radius: 12px; font-weight: 800; text-decoration: none; font-size: 0.9rem; margin-top: 8px; }
.guide-cta:hover { background: #1d4ed8; }

@media (min-width: 768px) {
  .hero { padding: 60px 20px 36px; }
}
.hero { background: linear-gradient(180deg, var(--card-bg) 0%, var(--bg) 130%); }

/* State search input (hub page) */
.state-search-input {
  width: 100%;
  box-sizing: border-box;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: 12px;
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--text);
  background: var(--bg);
  margin-bottom: 16px;
  outline: none;
  transition: border-color 0.15s ease;
}
.state-search-input:focus {
  border-color: var(--primary);
  background: var(--card-bg);
}

/* Compare bar section spacing */
.dynamic-state-article .compare-bars { margin-top: 24px; }
.dynamic-state-article h2 { margin-bottom: 6px; }

/* Hub page grid override - force multi-col on desktop */
@media (min-width: 640px) {
  .browse-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  }
}