:root{ --bg:#ffffff; --text:#1a1a1a; --muted:#666a73; --border:#e6e6e6; --gold:#d4a72c; --accent:#111; }
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;line-height:1.55}
a{color:inherit;text-decoration:none} img{max-width:100%;height:auto;display:block}
.container{width:min(1100px,92%);margin-inline:auto} .small{font-size:.9rem;color:var(--muted)} .muted{color:var(--muted)}

.site-header{position:sticky;top:0;background:#ffffffee;border-bottom:1px solid var(--border);z-index:10}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:12px 0}
.brand-text{font-weight:800}
.main-nav ul{display:flex;gap:.6rem;list-style:none;margin:0;padding:0}
.main-nav a{padding:.45rem .7rem;border-radius:8px}
.main-nav a:hover{background:#f2f2f2}
.nav-toggle{display:none;border:0;background:transparent;font-size:1.5rem}

.hero{position:relative}
.hero-banner{width:100%;height:auto;display:block;aspect-ratio:16/6;object-fit:cover}
.hero-overlay{position:relative;margin-top:-220px;margin-bottom:20px}
.hero-card{background:#fff;border:1px solid var(--border);border-radius:14px;padding:18px;box-shadow:0 10px 30px rgba(0,0,0,.06);max-width:800px}
.hero-card h1{margin:0 0 .3rem 0}
.price-pill{display:inline-block;margin-left:.75rem;padding:.35rem .65rem;border-radius:999px;border:1px solid var(--border);background:#fff;font-weight:700}

.section{padding:22px 0}
.section.alt{background:#fcfcfc;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}

#pbx300-wrap{border:1px solid var(--border);border-radius:12px;overflow:hidden;background:#fff}
.pbx-iframe{width:100%;border:none;display:block;height:300px} /* default; auto-override via postMessage */

.two-col{display:grid;grid-template-columns:1.2fr .8fr;gap:1.4rem;align-items:start}
.note-box{background:#fff;border:1px solid var(--border);border-radius:14px;padding:16px}
ul.check{list-style:none;margin:0;padding:0}
ul.check li{padding-left:1.4rem;position:relative;margin:.35rem 0}
ul.check li:before{content:"✓";position:absolute;left:.2rem;color:var(--gold)}

.btn{display:inline-block;padding:.7rem 1rem;border-radius:10px;border:1px solid var(--border);font-weight:700}
.btn-primary{background:linear-gradient(180deg,#ffd761,#f2b200);border-color:#eab308}
.btn-primary:hover{filter:brightness(1.03)}
.btn-outline{background:#fff}

.site-footer{border-top:1px solid var(--border);background:#fff;padding:32px 0;position:relative}
.footer-grid{display:grid;grid-template-columns:1fr}

@media (max-width:880px){
  .hero-overlay{margin-top:-80px}
  .two-col{grid-template-columns:1fr}
  .main-nav ul{display:none;position:absolute;right:0;top:56px;background:#fff;padding:10px;border:1px solid var(--border);border-radius:12px}
  .main-nav ul.open{display:flex;flex-direction:column;gap:.5rem;margin-right:1rem}
  .nav-toggle{display:block}
}


/* WhatsApp button */
.btn-whatsapp{background:#25D366;border-color:#1ebe57;color:#fff}
.btn-whatsapp:hover{filter:brightness(1.03)}

/* FAQ */
.faq details{border:1px solid var(--border);border-radius:12px;padding:12px;margin:.5rem 0;background:#fff}
.faq summary{cursor:pointer;font-weight:700}
.faq p{margin:.5rem 0 0 0}