:root{--bg:#0b1220;--card:#0f172a;--muted:#94a3b8;--text:#e5e7eb;--brand:#6366f1;--brand2:#8b5cf6;--accent:#10b981;--danger:#ef4444}
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,'Helvetica Neue',Arial,sans-serif;background:var(--bg);color:var(--text)}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.skip-link{position:absolute;left:-9999px;top:auto}
.skip-link:focus{left:16px;top:16px;background:#fff;color:#111;padding:8px 12px;border-radius:8px}

/* Nav */
.navbar{position:sticky;top:0;z-index:50;background:rgba(11,18,32,.75);backdrop-filter:saturate(140%) blur(10px);border-bottom:1px solid rgba(255,255,255,.06)}
.nav-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 0}
.logo{font-weight:900;letter-spacing:.3px}
.nav-links{display:flex;gap:20px;list-style:none;margin:0;padding:0}
.nav-links a{color:var(--muted)}
.nav-links a:hover{color:#fff}
.phone-block{color:var(--muted);font-size:.9rem;text-align:right}
.hamburger{display:none;background:none;border:0;cursor:pointer}
.hamburger span{display:block;width:22px;height:2px;background:#fff;margin:5px 0}

/* Mobile menu */
.mobile-menu{position:fixed;inset:0;background:rgba(0,0,0,.6);backdrop-filter:blur(6px);display:none}
.mobile-menu.active{display:block}
.mobile-menu-header{display:flex;align-items:center;justify-content:space-between;background:var(--card);padding:16px 20px;border-bottom:1px solid rgba(255,255,255,.06)}
.mobile-menu-section{background:var(--card);padding:14px 20px;border-bottom:1px solid rgba(255,255,255,.06)}
.mobile-menu-section h4{margin:0 0 10px 0;color:#fff}
.mobile-menu-section a{display:block;color:var(--muted);padding:8px 0}

/* Hero */
.hero{background:radial-gradient(1000px 500px at 10% -10%, rgba(99,102,241,.35), transparent 60%),radial-gradient(800px 400px at 90% -10%, rgba(139,92,246,.25), transparent 60%),linear-gradient(180deg, #0b1220, #0b1220 60%, #0b1220)}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:32px;padding:72px 0}
.eyebrow{color:var(--accent);font-weight:700;margin-bottom:10px}
.hero h1{font-size:44px;line-height:1.05;margin:0 0 12px 0}
.subhead{color:var(--muted);font-size:18px;margin:0 0 16px 0}
.hero-ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:10px}
.trust{display:flex;gap:22px;margin-top:18px;color:var(--muted)}
.trust-item{display:flex;flex-direction:column;gap:2px}
.trust-item strong{color:#fff}
.hero-card{background:linear-gradient(180deg, rgba(99,102,241,.12), rgba(139,92,246,.1));border:1px solid rgba(99,102,241,.25);border-radius:16px;padding:18px}
.video-poster{position:relative;border-radius:12px;overflow:hidden}
.video-poster img{width:100%;height:auto}
.video-poster .play{position:absolute;inset:auto auto 12px 12px;background:rgba(17,24,39,.75);border:1px solid rgba(255,255,255,.2);color:#fff;border-radius:999px;width:48px;height:48px;display:grid;place-items:center;cursor:pointer}
.feature-list{list-style:none;margin:14px 0 0 0;padding:0;color:var(--muted);display:grid;gap:8px}
.feature-list i{color:var(--accent)}

/* Sections */
.section{padding:72px 0;background:transparent}
.section.alt{background:linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,.01))}
.section h2{font-size:32px;margin:0 0 8px 0}
.section-sub{color:var(--muted);margin:0 0 24px 0}

/* Tabs */
.tabs{display:flex;gap:10px;margin:8px 0 18px 0}
.tab{background:rgba(255,255,255,.05);color:#cbd5e1;border:1px solid rgba(255,255,255,.08);padding:10px 14px;border-radius:999px;cursor:pointer}
.tab.active{background:linear-gradient(90deg, var(--brand), var(--brand2));border:0;color:#fff}
.tab-panels .panel{display:none}
.tab-panels .panel.active{display:block}
.panel-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:center}
.rounded{border-radius:14px;border:1px solid rgba(255,255,255,.08)}
.check-list{list-style:none;margin:12px 0 0 0;padding:0;display:grid;gap:10px;color:var(--muted)}
.check-list li::before{content:'✔';color:var(--accent);margin-right:10px}
.phone-mock{width:270px;max-width:100%;margin:0 auto;border-radius:24px;border:1px solid rgba(255,255,255,.08);padding:12px;background:linear-gradient(180deg,#0f172a,#0b1220)}
.screen{border-radius:18px;background:#0b1220;border:1px solid rgba(255,255,255,.08);padding:16px;min-height:220px;display:grid;place-items:center;gap:12px}
.incoming{color:#cbd5e1}
.call-btn{background:linear-gradient(90deg, var(--accent), #22c55e);color:#0b1220;border:0;padding:10px 14px;border-radius:999px;cursor:pointer}

/* Demo */
.demo-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start}
.audio-card{background:var(--card);border:1px solid rgba(255,255,255,.06);border-radius:14px;padding:14px}
.audio-meta{color:var(--muted);margin-top:6px;font-size:.9rem}
.proof{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.proof-item{background:linear-gradient(180deg, rgba(99,102,241,.12), rgba(139,92,246,.1));border:1px solid rgba(99,102,241,.25);border-radius:14px;padding:16px;text-align:center}
.num{font-size:28px;font-weight:800}
.lbl{color:var(--muted)}

/* Pricing */
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.price-card{background:var(--card);border:1px solid rgba(255,255,255,.06);border-radius:16px;padding:18px;position:relative}
.price-card .badge{position:absolute;top:12px;right:12px;background:linear-gradient(90deg,var(--brand),var(--brand2));padding:6px 10px;border-radius:999px;font-size:.8rem}
.price-card.featured{border-color:rgba(99,102,241,.5);box-shadow:0 10px 30px rgba(99,102,241,.15)}
.price{font-size:28px;font-weight:900;margin:8px 0 10px 0}

/* Cases */
.cases-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.case{background:var(--card);border:1px solid rgba(255,255,255,.06);border-radius:14px;padding:16px}

/* FAQ */
.faq details{background:var(--card);border:1px solid rgba(255,255,255,.06);border-radius:12px;padding:12px;margin:10px 0}
.faq summary{cursor:pointer}

/* CTA */
.cta{padding:64px 0}
.cta-card{background:linear-gradient(90deg,var(--brand),var(--brand2));border-radius:18px;padding:28px;text-align:center}
.cta-card h2{margin:0 0 6px 0}
.cta-card p{margin:0 0 16px 0}

/* Footer */
.footer{background:#0a0f1b;border-top:1px solid rgba(255,255,255,.06);margin-top:48px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:18px;padding:24px 0}
.footer .logo{font-weight:900;margin-bottom:6px}
.footer h5{margin:0 0 10px 0}
.footer ul{list-style:none;margin:0;padding:0;display:grid;gap:6px;color:var(--muted)}
.footer-copy{border-top:1px solid rgba(255,255,255,.06);padding:12px 0;color:var(--muted);text-align:center}

/* Buttons */
.btn{display:inline-block;padding:12px 16px;border-radius:12px;border:1px solid rgba(255,255,255,.08);color:#fff}
.btn.primary{background:linear-gradient(90deg,var(--brand),var(--brand2));border:0}
.btn.secondary{background:transparent;border-color:rgba(255,255,255,.18)}
.btn.ghost{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.08)}
.btn.full{display:block;text-align:center}

/* Sticky CTA */
.sticky-cta{position:fixed;left:0;right:0;bottom:0;padding:10px;background:linear-gradient(180deg, transparent, rgba(0,0,0,.5));backdrop-filter:blur(6px);display:none}

/* Responsive */
@media (max-width: 1024px){
  .hero-grid,.panel-grid,.demo-grid{grid-template-columns:1fr}
}
@media (max-width: 768px){
  .nav-links{display:none}
  .hamburger{display:block}
  .hero{padding-top:8px}
  .sticky-cta{display:block}
  .pricing-grid,.cases-grid,.proof{grid-template-columns:1fr}
}