/* Brand tokens */
:root{
  /* Light defaults */
  --bq-bg:#FFFFFF; --bq-surface:#F9FAFB; --bq-text:#111827; --bq-muted:#6B7280; --bq-border:#E5E7EB;
  --bq-primary:#2563EB; --bq-primary-hover:#1D4ED8; --bq-primary-weak:#60A5FA;
  --bq-success:#22C55E; --bq-warning:#F59E0B; --bq-danger:#EF4444; --bq-info:#06B6D4; --bq-focus:#60A5FA;

  /* Legacy vars map to brand tokens (keeps site styles working) */
  --bg:#0b1020; /* overridden in dark media below; initial load uses dark theme */
  --panel:#0f162a; --muted:#b8c5d6; --text:#f1f5f9; 
  --brand:#3B82F6; /* gradient start (Blue-500) */
  --brand2:#2563EB; /* gradient end (Blue-600) */
  --line:#1F2937; --shadow:rgba(0,10,30,.35);
  --ring:var(--bq-focus); --ring-bg:rgba(96,165,250,.18);

  --spacing-1:6px; --spacing-2:10px; --spacing-3:14px; --spacing-4:18px; --spacing-5:24px; --radius:12px;
  /* Z-index scale for proper layering */
  --z-base:1; --z-dropdown:100; --z-sticky:200; --z-overlay:300; --z-modal:400; --z-popover:500; --z-tooltip:600; --z-toast:700; --z-mobile-cta:800; --z-critical:9999;
}

/* Dark mode defaults (site uses dark by default) */
@media (prefers-color-scheme: dark){
  :root{
    --bq-bg:#0B1220; --bq-surface:#0F172A; --bq-text:#E5E7EB; --bq-muted:#94A3B8; --bq-border:#1F2937;
    --bq-primary:#60A5FA; --bq-primary-hover:#3B82F6; --bq-primary-weak:#93C5FD; --bq-focus:#93C5FD;
    --bg:var(--bq-bg); --panel:var(--bq-surface); --text:var(--bq-text); --muted:var(--bq-muted); --line:var(--bq-border);
    --brand:#3B82F6; --brand2:#2563EB; /* gradient still blue-500 → blue-600 */
  }
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;}
a{color:var(--brand);text-decoration:none}
a:hover{color:var(--bq-primary-hover)}
a:visited{color:#93C5FD}
header{position:sticky;top:0;background:rgba(11,16,32,.9);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);z-index:var(--z-sticky);box-shadow:0 2px 8px rgba(0,0,0,.1)}
.nav{max-width:1100px;margin:0 auto;display:flex;align-items:center;gap:20px;padding:12px 16px}
.nav .brand{display:flex;align-items:center;gap:10px;font-weight:700}
.nav a{color:var(--text);opacity:.9}
.nav a.active{color:#fff}
.nav .sp{flex:1}
.btn{border:1px solid var(--brand);color:var(--text);padding:10px 14px;border-radius:8px;display:inline-block;position:relative;transition:transform .08s ease, box-shadow .12s ease, background .2s ease;z-index:var(--z-base);box-shadow:0 2px 4px rgba(0,0,0,.1)}
.btn:hover{transform:translateY(-1px);box-shadow:0 4px 12px rgba(92,200,255,.2), 0 2px 4px rgba(0,0,0,.1);z-index:calc(var(--z-base) + 1)}
.btn:active{transform:translateY(0);box-shadow:0 1px 2px rgba(0,0,0,.2)}
.btn:focus-visible{outline:2px solid var(--ring);outline-offset:2px;box-shadow:0 0 0 6px var(--ring-bg);z-index:calc(var(--z-base) + 2)}
.btn.primary{background:linear-gradient(90deg,var(--brand),var(--brand2));border:none;color:#092033;box-shadow:0 2px 8px rgba(92,200,255,.3), 0 1px 2px rgba(0,0,0,.1)}
.btn.primary:hover{box-shadow:0 4px 16px rgba(92,200,255,.4), 0 2px 4px rgba(0,0,0,.1)}
.hero{max-width:1100px;margin:40px auto;display:grid;grid-template-columns:1.2fr .8fr;gap:28px;padding:0 16px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:18px;box-shadow:0 1px 3px rgba(0,0,0,.12), 0 1px 2px rgba(0,0,0,.24), inset 0 1px 0 rgba(255,255,255,.02);transition:border-color .15s ease, transform .1s ease, box-shadow .2s ease;position:relative;z-index:var(--z-base)}
.card:hover{border-color:#2b3a62;transform:translateY(-2px);box-shadow:0 4px 8px rgba(0,0,0,.15), 0 2px 4px rgba(0,0,0,.3), inset 0 1px 0 rgba(255,255,255,.04);z-index:calc(var(--z-base) + 1)}
.hero h1{font-size:44px;line-height:1.08;margin:.2em 0}
.hero p{color:var(--muted);font-size:18px}
.grid{display:grid;gap:16px}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.grid.cols-2{grid-template-columns:repeat(2,1fr)}
.grid.cols-4{grid-template-columns:repeat(4,1fr)}
.pill{display:inline-block;padding:6px 10px;border:1px solid var(--line);border-radius:999px;color:var(--muted);font-size:12px}
.section{max-width:1100px;margin:24px auto;padding:0 16px}
/* generic page container for simple content pages */
.container{max-width:1100px;margin:24px auto;padding:0 16px}
.container h1{margin:6px 0 8px;font-size:36px;line-height:1.2}
.container p.muted{color:var(--muted)}
/* lists inside content sections/containers */
.section ul, .container ul{padding-left:18px;margin:8px 0}
.section li, .container li{margin:6px 0}
.kvs{display:grid;grid-template-columns:1fr 1fr;gap:10px;color:var(--muted)}
.price{font-weight:800;font-size:36px}
footer{border-top:1px solid var(--line);margin-top:40px}
footer .foot{max-width:1100px;margin:0 auto;padding:20px 16px;color:var(--muted);display:flex;gap:12px;flex-wrap:wrap;justify-content:space-between}
@media (max-width:900px){.hero{grid-template-columns:1fr}.grid.cols-3{grid-template-columns:1fr}.grid.cols-2{grid-template-columns:1fr}.nav a{font-size:14px}}

/* feature page blocks */
.feat-hero{max-width:1100px;margin:24px auto;padding:0 16px;display:grid;grid-template-columns:1fr 1fr;gap:20px}
.feat-block{max-width:1100px;margin:18px auto;padding:0 16px;display:grid;grid-template-columns:1fr 1fr;gap:18px}
.feat-block .img{border:1px dashed var(--line);border-radius:10px;min-height:220px;display:flex;align-items:center;justify-content:center;color:var(--muted)}
.band{background:linear-gradient(90deg,#0f162a,#101a34);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.band .inner{max-width:1100px;margin:0 auto;padding:20px 16px;color:#cfe7ff}
.cta-row{display:flex;gap:10px;flex-wrap:wrap}

/* interactive demo */
.demo{max-width:900px;margin:20px auto;padding:16px;border:1px solid var(--line);border-radius:12px;background:var(--panel)}
.demo .row{display:flex;align-items:center;gap:10px;margin-top:8px}
.demo .total{font-size:20px;font-weight:800;margin-top:8px}

/* client portal preview */
.portal-layout{max-width:1100px;margin:14px auto;display:grid;grid-template-columns:1.3fr .7fr;gap:18px;padding:0 16px}
.portal .opt-list{display:flex;flex-direction:column;gap:10px;margin-top:8px}
.portal .opt{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:12px;padding:12px;border:1px solid var(--line);border-radius:10px;background:rgba(255,255,255,.02)}
.portal .opt:hover{border-color:#2b3a62}
.portal .opt input{width:18px;height:18px}
.portal .opt .opt-name{font-weight:600}
.portal .opt .opt-desc{color:var(--muted);font-size:12px}
.portal .opt .opt-price{font-weight:600}
.summary{position:sticky;top:80px}
.summary .sum{display:grid;grid-template-columns:1fr auto;gap:8px;margin:6px 0;color:var(--muted)}
.summary .sum strong{color:var(--text)}
.summary .sum-total{font-size:22px;font-weight:800;margin-top:8px;color:var(--bq-primary)}
.summary small{color:var(--muted)}
@media (max-width:900px){.portal-layout{grid-template-columns:1fr}}

/* social proof */
.stars span:first-child{color:#ffd166;letter-spacing:2px}
.logo-row{display:flex;gap:16px;flex-wrap:wrap}
.logo{border:1px solid var(--line);padding:6px 10px;border-radius:8px;color:var(--muted);font-size:13px}

/* testimonials carousel */
.carousel{position:relative;z-index:var(--z-base)}
.carousel .slide{display:none}
.carousel .slide.active{display:block}
.carousel .dots{display:flex;gap:6px;margin-top:10px}
.carousel .dot{background:transparent;border:1px solid var(--line);color:var(--muted);border-radius:999px;line-height:1;padding:2px 8px;cursor:pointer}
.carousel .dot.active{background:var(--brand);border-color:var(--brand);color:#092033}

/* pricing table */
.pricing-table{width:100%;border-collapse:collapse;margin-top:8px}
.pricing-table th,.pricing-table td{border:1px solid var(--line);padding:8px;text-align:center}
.pricing-table th:first-child,.pricing-table td:first-child{text-align:left}
.pricing-table tbody tr:nth-child(odd){background:rgba(255,255,255,0.02)}

/* mobile sticky CTA */
.mobile-cta{position:fixed;left:0;right:0;bottom:0;background:rgba(15,22,42,.98);backdrop-filter:blur(10px);border-top:1px solid var(--line);padding:10px 14px;display:none;gap:8px;align-items:center;justify-content:space-between;z-index:var(--z-mobile-cta);box-shadow:0 -4px 12px rgba(0,0,0,.2)}
.mobile-cta .row{display:flex;gap:8px}
.mobile-cta .btn{padding:10px 12px}
@media (max-width:720px){.mobile-cta{display:flex}}

/* pricing toggle + ribbons */
.bill-toggle{display:flex;align-items:center;gap:10px;margin-top:10px}
.bill-toggle .switch{display:inline-flex;gap:10px;align-items:center}
.bill-toggle input[type=checkbox]{appearance:none;width:48px;height:26px;border-radius:999px;border:1px solid var(--line);position:relative;background:#0b1428;cursor:pointer}
.bill-toggle input[type=checkbox]::after{content:'';position:absolute;top:3px;left:3px;width:18px;height:18px;border-radius:50%;background:var(--brand);transition:left .2s ease}
.bill-toggle input[type=checkbox]:checked::after{left:27px}
.bill-toggle .lbl{font-size:13px;color:var(--muted)}
.bill-toggle .lbl.alt{display:inline-flex;gap:6px;align-items:center}
.bill-toggle .save{color:#6df0c2}
.plan.popular{position:relative;border-color:#2b3a62}
.plan .ribbon{position:absolute;top:10px;right:-6px;background:linear-gradient(90deg,var(--brand),var(--brand2));color:#092033;padding:4px 10px;border-radius:6px;font-weight:700;font-size:12px;z-index:var(--z-base);box-shadow:0 2px 8px rgba(92,200,255,.3)}

/* form controls */
label{display:block;color:#d0d8e6}
input,select,textarea{width:100%;background:#0b1420;color:#e8eef7;border:1px solid var(--line);border-radius:8px;padding:10px 12px}
input::placeholder,textarea::placeholder{color:#75839a}
input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--ring);outline-offset:2px;box-shadow:0 0 0 6px var(--ring-bg)}

/* selections */
::selection{background:rgba(99,211,255,.25)}

/* demo preview */
.demo-preview{background:linear-gradient(135deg,#0d1425,#111b35);border:1px solid var(--line);border-radius:10px;padding:20px;position:relative}
.demo-interface{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.demo-input{flex:1;min-width:200px}
.demo-label{color:var(--brand);font-size:12px;text-transform:uppercase;letter-spacing:1px;margin-bottom:8px}
.demo-text{background:rgba(255,255,255,.03);border:1px solid rgba(92,200,255,.2);border-radius:8px;padding:12px;font-style:italic;color:var(--text)}
.demo-arrow{color:var(--brand);font-size:24px;font-weight:700}
.demo-output{flex:1.2;min-width:250px}
.demo-quote-item{display:flex;justify-content:space-between;padding:8px 12px;background:rgba(255,255,255,.02);border-radius:6px;margin-bottom:6px;border:1px solid rgba(255,255,255,.05)}
.demo-quote-item span:first-child{color:var(--text)}
.demo-price{color:var(--brand2);font-weight:600}
.demo-total{display:flex;justify-content:space-between;padding:12px;background:linear-gradient(90deg,rgba(92,200,255,.1),rgba(109,240,194,.1));border-radius:6px;margin-top:10px;border:1px solid rgba(92,200,255,.3)}
.demo-total span:first-child{font-weight:700;color:var(--text)}
.demo-total .demo-price{font-size:20px;color:var(--brand2)}
.demo-badge{position:absolute;top:-10px;right:20px;background:linear-gradient(90deg,#1a2642,#1f2d4a);border:1px solid var(--brand);border-radius:20px;padding:4px 12px;font-size:12px;color:var(--brand);z-index:var(--z-base)}

/* trust badges */
.trust-badges{display:flex;gap:12px;justify-content:center;padding:16px;border-bottom:1px solid var(--line);flex-wrap:wrap}
.trust-badges .badge{padding:6px 12px;border:1px solid var(--line);border-radius:20px;font-size:13px;color:var(--muted);background:rgba(255,255,255,.02)}

/* CTA section */
.cta-section{max-width:1100px;margin:40px auto;padding:0 16px}
.cta-card{background:linear-gradient(135deg,rgba(92,200,255,.1),rgba(109,240,194,.1));border:2px solid var(--brand);border-radius:16px;padding:32px;text-align:center;position:relative;z-index:var(--z-base);box-shadow:0 8px 32px rgba(92,200,255,.15), 0 4px 12px rgba(0,0,0,.1), inset 0 1px 0 rgba(255,255,255,.05)}
.cta-card h2{font-size:36px;margin:.5em 0}
.cta-card p{color:var(--text);font-size:18px;margin-bottom:24px}
.cta-stats{display:flex;justify-content:center;gap:40px;margin:24px 0}
.cta-stats div{text-align:center}
.cta-stats strong{font-size:28px;color:var(--brand2)}
.cta-stats span{color:var(--muted);font-size:14px}
.btn.large{padding:14px 28px;font-size:18px;font-weight:600}

/* improved mobile */
@media (max-width:720px){
  .hero h1{font-size:32px}
  .nav nav{display:none}
  .nav .btn:first-of-type{display:none}
  .demo-interface{flex-direction:column}
  .demo-arrow{transform:rotate(90deg)}
  .trust-badges{flex-direction:column;align-items:center}
  .grid.cols-3, .grid.cols-2{grid-template-columns:1fr}
}