/* ---------- Design tokens ---------- */
:root{
  --bg:#f6f8fb;
  --surface:#ffffff;
  --ink:#0b1a2b;
  --ink-2:#41546b;
  --muted:#7a8aa0;
  --line:#e3e8f0;
  --brand:#1f4dd8;
  --brand-2:#4a7bff;
  --brand-ink:#0a1f5c;
  --accent:#00c2a8;
  --shadow:0 18px 40px -20px rgba(15,32,67,.25);
  --radius:14px;
  --maxw:1180px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink); background:var(--bg); line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
h1,h2,h3,h4{color:var(--ink);line-height:1.15;margin:0 0 .5em;font-weight:700;letter-spacing:-.01em}
h1{font-size:clamp(2rem,4.6vw,3.4rem);letter-spacing:-.02em}
h2{font-size:clamp(1.6rem,3vw,2.25rem)}
h3{font-size:1.15rem}
.eyebrow{display:inline-block;font-size:.75rem;font-weight:700;letter-spacing:.14em;
  text-transform:uppercase;color:var(--brand);background:rgba(31,77,216,.08);
  padding:.4em .8em;border-radius:999px;margin-bottom:1em}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.85);
  backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:600;letter-spacing:.02em}
.brand:hover{text-decoration:none}
.brand-mark{width:26px;height:26px;background:
  linear-gradient(135deg,var(--brand) 0 50%,transparent 50%),
  linear-gradient(135deg,transparent 50%,var(--brand-2) 50%);
  transform:rotate(45deg);border-radius:4px}
.brand-text{font-size:.95rem;letter-spacing:.18em}
.brand-text strong{color:var(--brand)}
.main-nav{display:flex;align-items:center;gap:28px}
.main-nav a{color:var(--ink-2);font-size:.92rem;font-weight:500}
.main-nav a:hover{color:var(--brand);text-decoration:none}
.main-nav .signin{padding:.5em 1em;border:1px solid var(--line);border-radius:8px}
.nav-toggle,.nav-burger{display:none}

/* ---------- Hero ---------- */
.hero{padding:80px 0 60px;background:
  radial-gradient(900px 500px at 85% -10%, rgba(74,123,255,.18), transparent 60%),
  radial-gradient(700px 400px at 0% 10%, rgba(0,194,168,.12), transparent 60%)}
.hero-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:64px;align-items:center}
.lede{font-size:1.1rem;color:var(--ink-2);max-width:52ch;margin:0 0 28px}
.cta-row{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:.85em 1.4em;
  border-radius:10px;font-weight:600;font-size:.95rem;border:1px solid transparent;
  cursor:pointer;transition:transform .15s ease, box-shadow .15s ease, background .15s ease}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 24px -10px rgba(31,77,216,.6)}
.btn-primary:hover{background:var(--brand-ink)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}

/* Hero visual mock */
.hero-visual{display:flex;justify-content:center}
.cloud-card{width:100%;max-width:440px;background:#fff;border-radius:var(--radius);
  box-shadow:var(--shadow);border:1px solid var(--line);overflow:hidden}
.cloud-card-head{display:flex;align-items:center;gap:6px;padding:12px 16px;
  background:#f3f6fb;border-bottom:1px solid var(--line)}
.dot{width:10px;height:10px;border-radius:50%}
.dot-r{background:#ff5f57}.dot-y{background:#febc2e}.dot-g{background:#28c840}
.cloud-title{margin-left:10px;font-size:.8rem;color:var(--muted)}
.cloud-card-body{padding:20px}
.metric{display:flex;justify-content:space-between;align-items:baseline;
  padding:10px 0;border-bottom:1px dashed var(--line)}
.metric span{color:var(--muted);font-size:.85rem}
.metric strong{font-size:1.15rem}
.bars{display:flex;gap:8px;align-items:flex-end;height:100px;margin-top:18px}
.bars i{flex:1;background:linear-gradient(180deg,var(--brand-2),var(--brand));
  height:var(--h);border-radius:4px 4px 0 0;opacity:.85}

/* ---------- PBX strip ---------- */
.pbx-strip{padding:40px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff}
.strip-label{text-align:center;color:var(--muted);font-size:.78rem;letter-spacing:.18em;
  text-transform:uppercase;margin:0 0 18px}
.pbx-logos{display:flex;flex-wrap:wrap;justify-content:center;gap:18px 44px}
.pbx-logos span{font-weight:700;color:var(--ink-2);letter-spacing:.05em;opacity:.75;font-size:1.05rem}

/* ---------- Features ---------- */
.features{padding:90px 0}
.section-head{text-align:center;max-width:720px;margin:0 auto 50px}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.feature{background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;transition:transform .2s ease, box-shadow .2s ease}
.feature:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.ficon{width:42px;height:42px;border-radius:10px;background:rgba(31,77,216,.1);
  color:var(--brand);font-weight:700;display:grid;place-items:center;margin-bottom:14px;font-size:.85rem}
.feature p{color:var(--ink-2);margin:0;font-size:.95rem}

/* ---------- Split / reports ---------- */
.split{padding:90px 0;background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.split-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.checklist{list-style:none;padding:0;margin:18px 0 0}
.checklist li{padding:8px 0 8px 28px;position:relative;color:var(--ink-2)}
.checklist li::before{content:"";position:absolute;left:0;top:14px;width:14px;height:8px;
  border-left:2px solid var(--accent);border-bottom:2px solid var(--accent);transform:rotate(-45deg)}
.report-mock{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:8px;font-variant-numeric:tabular-nums}
.report-mock .row{display:grid;grid-template-columns:1.4fr .6fr .6fr;gap:12px;
  padding:14px 18px;border-bottom:1px solid var(--line);align-items:center}
.report-mock .row:last-child{border-bottom:0}
.report-mock b{font-weight:600}
.report-mock em{font-style:normal;color:var(--ink-2);text-align:right}
.report-mock .total{background:#fff;border-radius:10px;margin-top:6px;font-weight:700}

/* ---------- CTA band ---------- */
.cta-band{padding:70px 0;background:linear-gradient(135deg,var(--brand-ink),var(--brand))}
.cta-inner{display:flex;justify-content:space-between;align-items:center;gap:32px;color:#fff}
.cta-band h2{color:#fff;margin-bottom:.2em}
.cta-band p{margin:0;opacity:.85}
.cta-band .btn-primary{background:#fff;color:var(--brand-ink)}
.cta-band .btn-primary:hover{background:#e9efff}

/* ---------- Contact ---------- */
.contact{padding:90px 0}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}
.contact-list{list-style:none;padding:0;margin:20px 0 0;color:var(--ink-2)}
.contact-list li{padding:6px 0}
.contact-list strong{display:inline-block;width:90px;color:var(--ink)}
.contact-form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}
.field{display:flex;flex-direction:column;margin-bottom:14px}
.field label{font-size:.82rem;font-weight:600;margin-bottom:6px;color:var(--ink-2)}
.field input,.field select,.field textarea{font:inherit;padding:.7em .85em;border:1px solid var(--line);
  border-radius:9px;background:#fbfcfe;color:var(--ink);outline:none;transition:border-color .15s ease, box-shadow .15s ease}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,77,216,.15);background:#fff}
.err{color:#c0263c;font-size:.8rem;margin-top:4px}
.ok{color:#0e8a6a;margin-top:14px;font-weight:600}

/* ---------- Footer ---------- */
.site-footer{background:#0e1b2c;color:#cfd7e3;padding:60px 0 30px;margin-top:40px}
.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px}
.site-footer h4{color:#fff;font-size:.95rem;margin-bottom:14px;letter-spacing:.04em}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{padding:5px 0;font-size:.9rem}
.site-footer a{color:#cfd7e3}
.site-footer a:hover{color:#fff}
.copyright{margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);
  font-size:.82rem;color:#8b97aa;text-align:center}

/* ---------- Responsive ---------- */
@media (max-width: 960px){
  .hero-inner,.split-grid,.contact-grid{grid-template-columns:1fr;gap:40px}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
  .cta-inner{flex-direction:column;text-align:center}
}
@media (max-width: 720px){
  .nav-burger{display:flex;flex-direction:column;justify-content:space-between;
    width:26px;height:18px;cursor:pointer}
  .nav-burger span{display:block;height:2px;background:var(--ink);border-radius:2px}
  .main-nav{position:absolute;top:68px;left:0;right:0;background:#fff;
    flex-direction:column;align-items:flex-start;gap:0;padding:8px 24px 16px;
    border-bottom:1px solid var(--line);
    transform:translateY(-12px);opacity:0;pointer-events:none;transition:.2s ease}
  .main-nav a{padding:12px 0;width:100%;border-bottom:1px solid var(--line)}
  .main-nav a:last-child{border-bottom:none}
  .nav-toggle:checked ~ .main-nav{transform:translateY(0);opacity:1;pointer-events:auto}
  .feature-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .hero{padding:50px 0 40px}
  .features,.split,.contact{padding:60px 0}
}
@media (max-width: 460px){
  .footer-grid{grid-template-columns:1fr}
  .pbx-logos{gap:14px 24px}
}