/* Base */
:root{--brand:#2563eb;--ink:#0f172a;--mut:#475569;--line:#e2e8f0;--bg:#f8fafc;}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial;color:var(--ink);background:#fff;}
a{color:inherit;text-decoration:none}
.container{max-width:1120px;margin:0 auto;padding:0 20px}

/* Header */
.site-header{position:sticky;top:0;z-index:1000;background:#fff;border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-weight:800;font-size:20px;display:flex;align-items:center;gap:8px}
.logo img{height:28px;width:auto;display:block}
.nav-links{display:flex;gap:18px;align-items:center}
.nav-links a{color:var(--ink);font-weight:600}
.nav-links a.active{color:var(--brand)}
.nav-toggle{display:none;background:none;border:0;font-size:22px}

.btn{background:var(--brand);color:#fff;padding:10px 16px;border-radius:10px;font-weight:700}
.btn.outline{background:transparent;border:2px solid var(--brand);color:var(--brand)}

/* Hero */
.hero{padding:72px 0;background:linear-gradient(180deg,#f8fafc, #fff)}
.hero h1{font-size:42px;line-height:1.1;margin:0 0 12px}
.hero p{font-size:18px;color:var(--mut)}
.hero .cta{margin-top:20px;display:flex;gap:12px;flex-wrap:wrap}

/* Cards */
.grid{display:grid;gap:16px}
.grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}
.card{border:1px solid var(--line);border-radius:14px;padding:18px;background:#fff;box-shadow:0 6px 20px rgba(2,6,23,0.05)}

/* Sections */
.section{padding:56px 0}
.section-title{font-size:28px;margin:0 0 16px}
.section-sub{color:var(--mut);margin:0 0 18px}
.split{display:grid;grid-template-columns:1.1fr 0.9fr;gap:24px;align-items:start}
.callout{border:1px solid var(--line);border-radius:16px;padding:18px;background:linear-gradient(180deg,#f8fafc,#fff)}
.stat-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.stat strong{display:block;font-size:18px;margin-bottom:4px}
.steps{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.steps li{display:grid;grid-template-columns:32px 1fr;gap:12px;align-items:start;padding:12px 14px;border:1px dashed var(--line);border-radius:12px;background:#fff}
.step-num{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:999px;background:var(--bg);border:1px solid var(--line);font-weight:700}
.pill-list{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:10px}
.pill{border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 12px;font-weight:600;font-size:13px}
.checklist{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.checklist li{position:relative;padding-left:24px}
.checklist li::before{content:"✓";position:absolute;left:0;top:0;color:var(--brand);font-weight:800}

/* Leads */
.form input, .form select, .form textarea{width:100%;padding:12px;border-radius:10px;border:1px solid var(--line);font-size:15px}
.form textarea{min-height:120px}
.form .row{display:grid;gap:12px;grid-template-columns:1fr 1fr}

/* Pricing */
.pricing{display:grid;gap:16px;grid-template-columns:repeat(3,minmax(0,1fr))}
.price{font-size:28px;font-weight:800}
.badge{display:inline-block;background:var(--bg);border:1px solid var(--line);padding:6px 10px;border-radius:999px;font-size:12px}

/* FAQ */
.faq-item{border:1px solid var(--line);border-radius:12px;padding:12px;margin-bottom:10px}
.faq-item summary{cursor:pointer;font-weight:700}

/* Footer */
.site-footer{border-top:1px solid var(--line);background:#0f172a;color:#e2e8f0;padding:32px 0}
.site-footer a{color:#e2e8f0;display:block;margin:6px 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:16px}
.footer-title{font-weight:800;margin-bottom:8px}
.footnote{margin-top:16px;color:#cbd5e1;font-size:12px}
.muted{color:var(--mut)}
.site-footer .muted{color:#cbd5e1}

/* Demo Bot */
.demo-bot{position:fixed;right:20px;bottom:20px;z-index:1200;font-family:inherit}
.demo-bot__launcher{background:var(--brand);color:#fff;border:0;border-radius:999px;padding:12px 16px;font-weight:800;box-shadow:0 12px 26px rgba(2,6,23,0.22);cursor:pointer;display:flex;align-items:center;gap:8px}
.demo-bot__dot{font-size:18px;line-height:1;color:#fff}
.demo-bot__panel{position:absolute;right:0;bottom:56px;width:380px;max-height:72vh;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:0 20px 50px rgba(2,6,23,0.25);display:none;flex-direction:column;overflow:hidden}
.demo-bot__panel.open{display:flex}
.demo-bot__header{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,#f8fafc,#fff)}
.demo-bot__brand{display:flex;align-items:center;gap:10px}
.demo-bot__logo{height:22px;width:auto;display:block}
.demo-bot__title{font-weight:800;font-size:14px}
.demo-bot__subtitle{font-size:12px;color:var(--mut)}
.demo-bot__close{background:transparent;border:0;font-size:20px;cursor:pointer;color:var(--mut)}
.demo-bot__messages{padding:16px 16px 6px;overflow:auto;display:flex;flex-direction:column;gap:12px;min-height:240px;max-height:50vh}
.demo-bot__input{display:flex;gap:8px;padding:12px 12px 14px;border-top:1px solid var(--line);background:#fff}
.demo-bot__input input{flex:1;padding:11px 12px;border-radius:12px;border:1px solid var(--line);font-size:14px}
.demo-bot__input button{background:var(--brand);color:#fff;border:0;border-radius:12px;padding:11px 16px;font-weight:700;cursor:pointer}
.demo-bot__msg{max-width:85%;padding:11px 13px;border-radius:14px;font-size:14px;line-height:1.45;box-shadow:0 6px 14px rgba(2,6,23,0.08)}
.demo-bot__msg.bot{background:#f8fafc;color:#0f172a;border:1px solid var(--line)}
.demo-bot__msg.user{background:var(--brand);color:#fff;align-self:flex-end}
.demo-bot__options{display:flex;flex-wrap:wrap;gap:8px;margin-top:4px}
.demo-bot__option{background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 10px;font-size:12px;cursor:pointer}
.demo-bot__note{padding:0 16px 10px;font-size:11px;color:#64748b}

/* Responsive */
@media (max-width:900px){
  .grid.three, .pricing{grid-template-columns:1fr}
  .split{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:1fr}
  .form .row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
}
@media (max-width:720px){
  .nav-links{display:none;flex-direction:column;position:absolute;top:64px;right:0;background:#fff;border-left:1px solid var(--line);border-bottom:1px solid var(--line);padding:12px;width:220px}
  .nav-links.open{display:flex}
  .nav-toggle{display:block}
  .hero h1{font-size:34px}
  .demo-bot{right:12px;left:12px}
  .demo-bot__panel{width:auto;left:0;right:0}
}