:root{
  --bg:#f7f8fa;
  --surface:#ffffff;
  --text:#17181b;
  --muted:#656b76;
  --line:#e7e9ee;
  --brand:#d61f2c;
  --brand-dark:#a91520;
  --dark:#111217;
  --radius:22px;
  --shadow:0 18px 50px rgba(20,23,31,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.6;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(1120px,calc(100% - 40px));margin:auto}
.nav{
  position:sticky;top:0;z-index:20;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(231,233,238,.85);
}
.nav-inner{
  min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px
}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;letter-spacing:-.02em}
.brand-mark{
  width:42px;height:42px;border-radius:13px;
  background:linear-gradient(145deg,var(--brand),var(--brand-dark));
  display:grid;place-items:center;color:#fff;font-weight:900;box-shadow:0 10px 25px rgba(214,31,44,.2)
}
.brand span small{display:block;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-weight:700}
.menu{display:flex;align-items:center;gap:24px;color:#4d525c;font-size:14px;font-weight:650}
.menu a:hover{color:var(--brand)}
.menu .cta{color:#fff;background:var(--dark);padding:11px 17px;border-radius:12px}
.hero{
  padding:92px 0 72px;
  background:
    radial-gradient(circle at 82% 18%,rgba(214,31,44,.13),transparent 28%),
    linear-gradient(180deg,#fff 0%,#f7f8fa 100%);
}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:54px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;
  color:var(--brand);background:#fff0f1;border:1px solid #ffd8dc;padding:8px 11px;border-radius:999px
}
h1{font-size:clamp(42px,6vw,72px);line-height:1.02;letter-spacing:-.055em;margin:22px 0 24px;max-width:800px}
.hero p{font-size:19px;color:var(--muted);max-width:650px;margin:0 0 30px}
.actions{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 19px;border-radius:13px;font-weight:750;font-size:14px}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 12px 28px rgba(214,31,44,.22)}
.btn-secondary{background:#fff;border:1px solid var(--line);color:var(--text)}
.hero-card{
  background:var(--dark);border-radius:30px;padding:30px;color:#fff;box-shadow:0 25px 70px rgba(17,18,23,.22);overflow:hidden;position:relative
}
.hero-card:before{
  content:"";position:absolute;width:230px;height:230px;border-radius:50%;
  background:rgba(214,31,44,.28);right:-90px;top:-80px;filter:blur(4px)
}
.device{position:relative;border:1px solid rgba(255,255,255,.12);border-radius:20px;padding:22px;background:rgba(255,255,255,.05)}
.device-top{display:flex;gap:7px;margin-bottom:28px}
.dot{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.3)}
.metric{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:16px}
.metric div{padding:15px;border-radius:14px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08)}
.metric strong{display:block;font-size:22px}
.metric span{font-size:12px;color:#b8bac2}
section{padding:82px 0}
.section-head{max-width:720px;margin-bottom:34px}
.kicker{color:var(--brand);font-size:12px;text-transform:uppercase;letter-spacing:.12em;font-weight:850}
h2{font-size:clamp(30px,4vw,46px);letter-spacing:-.04em;line-height:1.08;margin:10px 0 14px}
.section-head p{color:var(--muted);font-size:17px;margin:0}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:0 8px 26px rgba(20,23,31,.035)}
.icon{width:44px;height:44px;border-radius:13px;background:#fff0f1;color:var(--brand);display:grid;place-items:center;font-weight:900;margin-bottom:20px}
.card h3{margin:0 0 8px;font-size:19px;letter-spacing:-.02em}
.card p{margin:0;color:var(--muted);font-size:14px}
.about{background:#fff}
.about-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:50px;align-items:start}
.info-panel{background:var(--dark);color:#fff;border-radius:28px;padding:30px}
.info-row{padding:17px 0;border-bottom:1px solid rgba(255,255,255,.1)}
.info-row:last-child{border-bottom:0}
.info-row span{display:block;font-size:11px;color:#aeb1ba;text-transform:uppercase;letter-spacing:.1em;font-weight:800}
.info-row strong{display:block;margin-top:5px;font-size:15px;font-weight:700}
.checks{display:grid;gap:14px;margin-top:24px}
.check{display:flex;gap:12px;align-items:flex-start}
.check b{width:24px;height:24px;min-width:24px;border-radius:8px;background:#fff0f1;color:var(--brand);display:grid;place-items:center}
.check p{margin:0;color:var(--muted)}
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.contact-box{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px}
.contact-box span{display:block;color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.08em;font-weight:800;margin-bottom:6px}
.contact-box strong{font-size:15px}
.notice{margin-top:22px;padding:18px 20px;border-radius:16px;background:#fff;border:1px solid var(--line);color:var(--muted);font-size:13px}
footer{background:var(--dark);color:#fff;padding:50px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.4fr .6fr .8fr;gap:34px}
.footer-muted{color:#aeb1ba;font-size:13px}
.footer-title{font-size:12px;text-transform:uppercase;letter-spacing:.1em;color:#8e929c;font-weight:800;margin-bottom:12px}
.footer-links{display:grid;gap:8px;font-size:14px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:34px;padding-top:20px;color:#8e929c;font-size:12px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.page-hero{padding:72px 0 44px;background:#fff;border-bottom:1px solid var(--line)}
.page-hero h1{font-size:clamp(38px,5vw,58px);margin-bottom:14px}
.content{background:#fff;border:1px solid var(--line);border-radius:22px;padding:34px;box-shadow:var(--shadow)}
.content h2{font-size:24px;margin-top:30px}
.content h2:first-child{margin-top:0}
.content p,.content li{color:#555b66;font-size:15px}
.content ul{padding-left:20px}
@media(max-width:860px){
  .menu a:not(.cta){display:none}
  .hero{padding-top:64px}
  .hero-grid,.about-grid,.footer-grid{grid-template-columns:1fr}
  .cards,.contact-grid{grid-template-columns:1fr}
  h1{font-size:46px}
}
@media(max-width:520px){
  .container{width:min(100% - 28px,1120px)}
  .brand span small{display:none}
  .hero-card{padding:20px}
  section{padding:64px 0}
  .content{padding:24px}
}