/* ===== RESET & BASE ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --c-bg:#0f1a17;--c-surface:#162320;--c-surface2:#1e302b;--c-border:#2a4039;
  --c-primary:#2dd4a8;--c-primary-dark:#1a6b52;--c-primary-glow:rgba(45,212,168,.15);
  --c-text:#e8f5f0;--c-text-dim:#8fbbb0;--c-text-muted:#5a8a7e;
  --c-safe:#22c55e;--c-caution:#eab308;--c-danger:#ef4444;
  --font:system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  --radius:12px;--radius-sm:8px;--shadow:0 4px 24px rgba(0,0,0,.3);
  --max-width:1120px;
}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--c-bg);color:var(--c-text);line-height:1.6;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%;height:auto}
.container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 20px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ===== HEADER ===== */
.site-header{background:var(--c-surface);border-bottom:1px solid var(--c-border);position:sticky;top:0;z-index:100}
.site-header .container{display:flex;align-items:center;justify-content:space-between;height:60px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--c-text);font-weight:700;font-size:1.15rem}
.logo-accent{color:var(--c-primary)}
.site-nav{display:flex;gap:24px}
.site-nav a{color:var(--c-text-dim);text-decoration:none;font-size:.9rem;font-weight:500;transition:color .2s}
.site-nav a:hover,.site-nav a:focus{color:var(--c-primary)}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:4px}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--c-text);border-radius:2px;transition:.3s}
.mobile-nav{display:none;background:var(--c-surface);border-bottom:1px solid var(--c-border);padding:12px 20px}
.mobile-nav[hidden]{display:none!important}
.mobile-nav.open{display:flex;flex-direction:column;gap:12px}
.mobile-nav a{color:var(--c-text-dim);text-decoration:none;font-size:1rem;padding:4px 0}
.mobile-nav a:hover{color:var(--c-primary)}

/* ===== BUTTONS ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;border-radius:var(--radius-sm);font-size:.9rem;font-weight:600;cursor:pointer;border:2px solid transparent;transition:all .2s;text-decoration:none}
.btn-primary{background:var(--c-primary);color:var(--c-bg);border-color:var(--c-primary)}
.btn-primary:hover,.btn-primary:focus{background:var(--c-primary-dark);border-color:var(--c-primary-dark);color:#fff}
.btn-secondary{background:transparent;color:var(--c-primary);border-color:var(--c-primary)}
.btn-secondary:hover,.btn-secondary:focus{background:var(--c-primary-glow)}
.btn-sm{padding:6px 14px;font-size:.8rem}

/* ===== HERO / DECODER ===== */
.hero-section{padding:60px 0 48px;background:linear-gradient(180deg,var(--c-surface) 0%,var(--c-bg) 100%)}
.hero-grid{display:grid;grid-template-columns:1fr 320px;gap:48px;align-items:start}
.hero-copy h1{font-size:clamp(1.8rem,4vw,2.6rem);line-height:1.2;margin-bottom:12px;background:linear-gradient(135deg,var(--c-text) 0%,var(--c-primary) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.lead{font-size:1.1rem;color:var(--c-text-dim);margin-bottom:28px;max-width:560px}
.decoder-form{background:var(--c-surface2);border:1px solid var(--c-border);border-radius:var(--radius);padding:24px}
.decoder-label{display:block;font-weight:600;margin-bottom:8px;font-size:.95rem}
.decoder-input-row{display:flex;gap:10px}
.decoder-select{flex:1;padding:10px 14px;border-radius:var(--radius-sm);border:1px solid var(--c-border);background:var(--c-bg);color:var(--c-text);font-size:.95rem;appearance:auto}
.decoder-select:focus{outline:2px solid var(--c-primary);outline-offset:1px}
.decoder-result{margin-top:20px;min-height:120px}
.decoder-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:24px;color:var(--c-text-muted);text-align:center}
.decoder-empty p{font-size:.9rem}
.result-card{border-radius:var(--radius-sm);padding:20px;border:1px solid var(--c-border)}
.result-card.rating-safe{border-color:var(--c-safe);background:rgba(34,197,94,.08)}
.result-card.rating-caution{border-color:var(--c-caution);background:rgba(234,179,8,.08)}
.result-card.rating-never{border-color:var(--c-danger);background:rgba(239,68,68,.08)}
.result-header{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.result-brand{font-size:1.2rem;font-weight:700}
.result-badge{padding:4px 12px;border-radius:20px;font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.5px}
.badge-safe{background:var(--c-safe);color:#000}
.badge-caution{background:var(--c-caution);color:#000}
.badge-never{background:var(--c-danger);color:#fff}
.result-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px;margin-bottom:16px}
.result-stat{background:var(--c-bg);border-radius:var(--radius-sm);padding:12px;text-align:center}
.result-stat-label{display:block;font-size:.75rem;color:var(--c-text-muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:4px}
.result-stat-value{font-size:1.3rem;font-weight:700}
.result-explain{font-size:.9rem;color:var(--c-text-dim);line-height:1.5}
.result-explain strong{color:var(--c-text)}

.quick-facts{background:var(--c-surface2);border:1px solid var(--c-border);border-radius:var(--radius);padding:24px}
.quick-facts h2{font-size:1rem;margin-bottom:16px;color:var(--c-primary)}
.quick-facts ul{list-style:none;display:flex;flex-direction:column;gap:14px}
.quick-facts li{font-size:.88rem;color:var(--c-text-dim);padding-left:20px;position:relative}
.quick-facts li::before{content:"→";position:absolute;left:0;color:var(--c-primary);font-weight:700}
.quick-facts strong{color:var(--c-text)}

/* ===== COMPARE TABLE ===== */
.compare-section{padding:60px 0}
.compare-section h2{font-size:1.6rem;margin-bottom:8px}
.section-sub{color:var(--c-text-dim);margin-bottom:24px;font-size:.95rem}
.table-controls{display:flex;gap:12px;margin-bottom:16px;flex-wrap:wrap}
.table-search,.table-filter{padding:8px 14px;border-radius:var(--radius-sm);border:1px solid var(--c-border);background:var(--c-surface);color:var(--c-text);font-size:.9rem}
.table-search{flex:1;min-width:200px}
.table-search:focus,.table-filter:focus{outline:2px solid var(--c-primary);outline-offset:1px}
.table-wrap{overflow-x:auto;border:1px solid var(--c-border);border-radius:var(--radius)}
.compare-table{width:100%;border-collapse:collapse;font-size:.88rem}
.compare-table th{background:var(--c-surface2);padding:12px 14px;text-align:left;font-weight:600;color:var(--c-text-dim);white-space:nowrap;border-bottom:1px solid var(--c-border)}
.compare-table td{padding:10px 14px;border-bottom:1px solid var(--c-border);vertical-align:top}
.compare-table tbody tr{cursor:pointer;transition:background .15s}
.compare-table tbody tr:hover,.compare-table tbody tr:focus-within{background:var(--c-primary-glow)}
.compare-table tbody tr:last-child td{border-bottom:none}
.rating-cell{display:flex;align-items:center;gap:6px}
.rating-dot{width:10px;height:10px;border-radius:50%;flex-shrink:0}
.rating-dot.safe{background:var(--c-safe)}
.rating-dot.caution{background:var(--c-caution)}
.rating-dot.never{background:var(--c-danger)}
.score-bar{display:inline-flex;align-items:center;gap:4px}
.score-bar span{display:inline-block;width:8px;height:16px;border-radius:2px;background:var(--c-border)}
.score-bar span.filled{background:var(--c-danger)}
.septic-yes{color:var(--c-safe);font-weight:600}
.septic-no{color:var(--c-danger);font-weight:600}
.septic-maybe{color:var(--c-caution);font-weight:600}
.table-note{margin-top:12px;font-size:.8rem;color:var(--c-text-muted)}

/* ===== COST SECTION ===== */
.costs-section{padding:60px 0;background:var(--c-surface)}
.costs-section h2{font-size:1.6rem;margin-bottom:8px}
.cost-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;margin-top:28px}
.cost-card{background:var(--c-bg);border:1px solid var(--c-border);border-radius:var(--radius);padding:24px;text-align:center}
.cost-icon{font-size:2rem;margin-bottom:12px}
.cost-card h3{font-size:1rem;margin-bottom:8px}
.cost-range{font-size:1.3rem;font-weight:700;color:var(--c-primary);margin-bottom:10px}
.cost-card p{font-size:.85rem;color:var(--c-text-dim)}
.cost-callout{margin-top:32px;background:rgba(239,68,68,.1);border:1px solid var(--c-danger);border-radius:var(--radius);padding:20px;text-align:center}
.cost-callout p{font-size:1.05rem}
.cost-callout strong{color:var(--c-danger)}

/* ===== MISTAKES SECTION ===== */
.mistakes-section{padding:60px 0}
.mistakes-section h2{font-size:1.6rem;margin-bottom:8px}
.mistakes-list{list-style:none;display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:16px;margin-top:28px}
.mistakes-list li{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius);padding:16px 20px;font-size:.9rem;color:var(--c-text-dim)}
.mistakes-list strong{color:var(--c-text);display:block;margin-bottom:4px}

/* ===== REMINDER CARD ===== */
.reminder-section{padding:60px 0;background:var(--c-surface)}
.reminder-section h2{font-size:1.6rem;margin-bottom:8px}
.reminder-card{max-width:420px;margin:28px auto;background:#fff;border-radius:var(--radius);padding:4px;box-shadow:var(--shadow)}
.reminder-inner{border:2px dashed var(--c-primary-dark);border-radius:8px;padding:24px;color:#1a1a1a}
.reminder-header{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.reminder-header h3{font-size:1.15rem;color:var(--c-danger)}
.reminder-list{list-style:none;display:flex;flex-direction:column;gap:8px;margin-bottom:16px}
.reminder-list li{padding:6px 0 6px 28px;position:relative;font-size:.9rem}
.reminder-list li::before{content:"✕";position:absolute;left:0;color:var(--c-danger);font-weight:700}
.reminder-safe{display:flex;align-items:center;gap:8px;padding:12px;background:#f0fdf4;border-radius:var(--radius-sm);font-size:.9rem;margin-bottom:12px}
.reminder-url{text-align:center;font-size:.75rem;color:#999;margin-top:8px}
.reminder-actions{display:flex;gap:12px;justify-content:center;margin-top:20px;flex-wrap:wrap}

/* ===== FAQ ===== */
.faq-section{padding:60px 0}
.faq-section h2{font-size:1.6rem;margin-bottom:24px}
.faq-list{display:flex;flex-direction:column;gap:8px}
.faq-item{border:1px solid var(--c-border);border-radius:var(--radius-sm);overflow:hidden}
.faq-q{width:100%;background:var(--c-surface);border:none;color:var(--c-text);font-size:.95rem;font-weight:600;padding:16px 20px;text-align:left;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:12px}
.faq-q:hover{background:var(--c-surface2)}
.faq-q::after{content:"+";font-size:1.2rem;color:var(--c-primary);flex-shrink:0;transition:transform .2s}
.faq-q[aria-expanded="true"]::after{content:"−"}
.faq-item dd{padding:0 20px 16px;font-size:.9rem;color:var(--c-text-dim);line-height:1.6}
.faq-item dd[hidden]{display:none}

/* ===== FOOTER ===== */
.site-footer{background:var(--c-surface);border-top:1px solid var(--c-border);padding:40px 0 24px}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:32px;margin-bottom:32px}
.footer-brand{font-weight:700;font-size:1.1rem;color:var(--c-primary);margin-bottom:8px}
.footer-heading{font-weight:600;font-size:.85rem;text-transform:uppercase;letter-spacing:.5px;color:var(--c-text-dim);margin-bottom:12px}
.footer-links{list-style:none;display:flex;flex-direction:column;gap:8px}
.footer-links a{color:var(--c-text-muted);text-decoration:none;font-size:.88rem;transition:color .2s}
.footer-links a:hover{color:var(--c-primary)}
.footer-copy{font-size:.8rem;color:var(--c-text-muted);text-align:center;padding-top:24px;border-top:1px solid var(--c-border)}

/* ===== PRINT ===== */
@media print{
  .site-header,.site-footer,.reminder-actions,.hero-aside,.table-controls,.nav-toggle,.mobile-nav,.site-nav{display:none!important}
  body{background:#fff;color:#000}
  .reminder-card{box-shadow:none;border:2px solid #000;page-break-inside:avoid}
  .reminder-inner{border:2px dashed #333}
  .container{max-width:100%;padding:0}
  h1,h2,h3{color:#000}
  .compare-table{font-size:.75rem}
  .cost-card{break-inside:avoid}
}

/* ===== RESPONSIVE ===== */
@media(max-width:768px){
  .site-nav{display:none}
  .nav-toggle{display:flex}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-section{padding:40px 0 32px}
  .decoder-input-row{flex-direction:column}
  .result-grid{grid-template-columns:1fr 1fr}
  .cost-grid{grid-template-columns:1fr}
  .mistakes-list{grid-template-columns:1fr}
  .table-controls{flex-direction:column}
}
@media(max-width:480px){
  .container{padding:0 14px}
  .hero-copy h1{font-size:1.5rem}
  .result-grid{grid-template-columns:1fr}
}



/* Factory-injected deployment helpers. The AI owns the site design above this block. */
.ad-unit {
  width: min(100%, 720px);
  min-height: 120px;
  margin: 24px auto;
  display: block;
}

.legal-page {
  width: min(900px, calc(100% - 32px));
  margin: 40px auto;
}

.factory-fallback-nav {
  width: min(900px, calc(100% - 32px));
  margin: 24px auto 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  align-items: center;
  font-size: 0.95rem;
}

.factory-fallback-nav a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}