:root{
  --bg:#0b0b0c;--panel:#141417;--panel2:#19191d;--text:#f5f5f7;--muted:#a6a6ad;
  --line:#29292f;--accent:#ff3b30;--max:1100px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,Arial,sans-serif;line-height:1.5}
a{color:inherit;text-decoration:none}
.nav{position:sticky;top:0;z-index:20;display:flex;justify-content:space-between;align-items:center;padding:18px max(22px,calc((100vw - var(--max))/2));background:rgba(11,11,12,.82);backdrop-filter:blur(18px);border-bottom:1px solid rgba(255,255,255,.06)}
.brand{font-weight:900;letter-spacing:.16em}
.nav nav{display:flex;gap:24px;color:var(--muted);font-size:14px}
main{max-width:var(--max);margin:auto;padding:0 22px}
.hero{padding:110px 0 78px}
.eyebrow{font-size:12px;letter-spacing:.16em;font-weight:800;color:#c7c7cc;margin-bottom:18px}
h1{font-size:clamp(54px,9vw,104px);line-height:.9;letter-spacing:-.065em;margin:0 0 30px;max-width:950px}
h2{font-size:clamp(34px,5vw,58px);line-height:1;letter-spacing:-.045em;margin:0 0 22px}
h3{font-size:22px;letter-spacing:-.025em;margin:8px 0 10px}
.lead{font-size:clamp(19px,2.4vw,27px);color:#c6c6cb;max-width:780px}
.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin:34px 0 22px}
.button{display:inline-flex;align-items:center;justify-content:center;padding:14px 20px;border-radius:12px;font-weight:800;border:1px solid var(--line);transition:.15s}
.button:hover{transform:translateY(-1px)}
.primary{background:var(--accent);border-color:var(--accent);color:white}
.secondary{background:var(--panel)}
.trust{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}
.trust span{border:1px solid var(--line);border-radius:999px;padding:7px 11px;color:#c6c6cc;font-size:13px}
.micro{margin-top:28px;color:#777780;font-size:13px}
.section{padding:78px 0;border-top:1px solid var(--line)}
.section-head{max-width:780px;margin-bottom:34px}
.grid{display:grid;gap:16px}.three{grid-template-columns:repeat(3,1fr)}.two{grid-template-columns:repeat(2,1fr)}
.card{background:linear-gradient(180deg,var(--panel2),var(--panel));border:1px solid var(--line);border-radius:22px;padding:28px}
.card p{color:#b6b6bd}
.num{font-size:12px;color:#7b7b83;font-weight:800;letter-spacing:.15em}
.demo{display:grid;grid-template-columns:1.1fr .9fr;gap:45px;align-items:center;margin-bottom:78px}
.phone{background:#0e0e10;border:1px solid #2b2b31;border-radius:30px;padding:35px 22px;min-height:300px;display:flex;flex-direction:column;gap:12px;justify-content:center}
.bubble{max-width:88%;padding:12px 14px;border-radius:18px;font-size:15px;white-space:normal}
.sent{align-self:flex-end;background:#1789ff}.received{align-self:flex-start;background:#2a2a2f}
.steps{padding:30px 34px}.steps ol{padding-left:20px;margin:0 0 26px}.steps li{margin:12px 0;color:#c8c8ce}
.checklist{list-style:none;padding:0;margin:0}.checklist li{padding:8px 0}.checklist li:before{content:"✓";margin-right:10px;color:#6edc84;font-weight:900}
.muted{color:#878790!important;font-size:14px}
.faq{display:grid;gap:12px}
details summary{cursor:pointer;font-weight:800;font-size:18px}
details p{margin-bottom:0}
.final-cta{display:flex;justify-content:space-between;gap:30px;align-items:center}
footer{max-width:var(--max);margin:auto;padding:30px 22px 60px;border-top:1px solid var(--line);display:flex;justify-content:space-between;color:#777780;font-size:13px}
footer div:last-child{display:flex;gap:18px}
@media(max-width:800px){
 .nav nav{display:none}.hero{padding-top:80px}.three,.two,.demo{grid-template-columns:1fr}
 .demo{gap:24px}.final-cta{align-items:flex-start;flex-direction:column}
 footer{flex-direction:column;gap:12px}
}