:root{
  --ink:#0d1b16; --sub:#5b6b64; --line:#e3ece7; --bg:#f7faf8; --card:#ffffff;
  --green:#0e9f6e; --green-dark:#0b7a55; --green-soft:#e7f6ef; --accent:#0b3b2e;
  --radius:16px; --max:1080px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  color:var(--ink); background:var(--bg); line-height:1.6; -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.eyebrow{font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--green-dark)}
h1{font-size:clamp(30px,4.4vw,52px);line-height:1.1;letter-spacing:-.02em;margin:12px 0 16px;font-weight:800}
h2{font-size:clamp(24px,3vw,34px);line-height:1.2;letter-spacing:-.02em;margin:0 0 12px;font-weight:800}
h3{font-size:18px;margin:0 0 6px;font-weight:700}
p{margin:0 0 14px}
.lead{font-size:clamp(16px,1.6vw,19px);color:var(--sub);max-width:620px}
.muted{color:var(--sub)}
.small{font-size:13px}

/* header */
header{position:sticky;top:0;z-index:20;background:rgba(247,250,248,.88);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:16px;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.01em}
.logo{width:30px;height:30px;border-radius:9px;background:var(--green);display:grid;place-items:center;color:#fff;font-size:15px}
.nav .spacer{flex:1}
.nav a.link{font-size:14px;color:var(--sub);margin-right:8px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:12px;padding:12px 18px;font-weight:700;font-size:15px;border:1px solid transparent;cursor:pointer;transition:.15s}
.btn-primary{background:var(--green);color:#fff}
.btn-primary:hover{background:var(--green-dark)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:#c9d8d1}
.btn-sm{padding:9px 14px;font-size:14px;border-radius:10px}

/* hero */
.hero{padding:64px 0 40px;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.checks{list-style:none;padding:0;margin:22px 0 26px;display:grid;gap:10px}
.checks li{display:flex;gap:10px;align-items:flex-start;font-size:15px}
.checks .tick{flex:none;width:20px;height:20px;border-radius:50%;background:var(--green-soft);color:var(--green-dark);display:grid;place-items:center;font-size:12px;font-weight:800;margin-top:2px}
.cta-row{display:flex;gap:12px;flex-wrap:wrap}
.phone{
  justify-self:center;width:280px;border-radius:34px;background:#0d1b16;padding:10px;
  box-shadow:0 30px 60px rgba(13,27,22,.22);
}
.phone img{width:100%;display:block;border-radius:26px}
.phone-note{text-align:center;font-size:12px;color:var(--sub);margin-top:10px}

/* sections */
section.block{padding:56px 0;border-top:1px solid var(--line)}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:26px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.card .num{font-size:12px;font-weight:800;color:var(--green-dark);letter-spacing:.08em}
.card p{margin:6px 0 0;color:var(--sub);font-size:14.5px}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:26px;counter-reset:s}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;position:relative}
.step:before{counter-increment:s;content:counter(s);position:absolute;top:-12px;left:18px;width:26px;height:26px;border-radius:50%;background:var(--green);color:#fff;display:grid;place-items:center;font-size:13px;font-weight:800}
.step h3{margin-top:10px}
.step p{font-size:14px;color:var(--sub);margin:0}
.split{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.shot{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:8px;box-shadow:0 18px 40px rgba(13,27,22,.08);max-height:520px;overflow:hidden}
.shot img{width:100%;display:block;border-radius:10px;object-fit:cover;object-position:top}
.kpi{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:24px}
.kpi .card{text-align:left}
.kpi .big{font-size:26px;font-weight:800;letter-spacing:-.02em}
.pill{display:inline-flex;align-items:center;gap:6px;background:var(--green-soft);color:var(--green-dark);font-size:12px;font-weight:700;padding:5px 10px;border-radius:999px}
.safety{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:22px}
.safety div{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px;font-size:14px;color:var(--sub)}
.safety b{color:var(--ink);display:block;margin-bottom:2px}
.final{background:var(--accent);color:#eaf6f0;border-radius:22px;padding:40px;display:flex;gap:28px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.final h2{color:#fff;margin-bottom:6px}
.final p{color:#b7d3c7;margin:0}
.final .btn-primary{background:#00c98a}
footer{padding:36px 0 48px;color:var(--sub);font-size:13px}
footer .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.disclaimer{max-width:720px}

.phone-frame{
  width:340px;max-width:100%;height:680px;margin:0 auto;border-radius:40px;background:#0d1b16;
  padding:10px;box-shadow:0 30px 60px rgba(13,27,22,.25);
}
.phone-frame iframe{width:100%;height:100%;border:0;border-radius:30px;background:#f2f2f7;display:block}
.demo-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
@media (max-width:900px){
  .phone-frame{height:620px}
  .hero{grid-template-columns:1fr;padding-top:40px;gap:32px}
  .grid-3,.steps,.kpi,.safety{grid-template-columns:1fr}
  .split{grid-template-columns:1fr}
  .nav a.link{display:none}
  .final{padding:28px}
}