:root{
  --bg:#f6f8fc;
  --white:#ffffff;
  --surface:#eef3f8;
  --surface-2:#f8fafd;
  --text:#10233c;
  --muted:#5d6f87;
  --line:#dde5ef;
  --brand:#d61f26;
  --brand-dark:#233b63;
  --accent:#f4b321;
  --green:#1f8f71;
  --shadow:0 18px 44px rgba(16,31,55,.08);
  --radius:22px;
  --max:1240px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  color:var(--text);
  background:
    radial-gradient(circle at top left, rgba(214,31,38,.08), transparent 24%),
    radial-gradient(circle at top right, rgba(35,59,99,.08), transparent 24%),
    linear-gradient(180deg,#fbfcfe,#f6f8fc 32%,#f4f7fb 100%);
}
a{text-decoration:none;color:inherit}
.container{width:min(var(--max), calc(100% - 40px)); margin:auto}
.nav{
  position:sticky; top:0; z-index:100;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex; align-items:center; justify-content:space-between; padding:14px 0}
.brand img{height:44px; display:block}
.nav-links{display:flex; gap:22px; color:var(--muted); font-size:14px; align-items:center}
.nav-links a.active{color:var(--brand-dark); font-weight:700}
.nav-actions{display:flex; gap:12px}
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  gap:8px; padding:14px 18px; border-radius:14px;
  border:1px solid transparent; font-weight:700; transition:.2s ease;
}
.btn:hover{transform:translateY(-2px)}
.btn.primary{
  color:#fff;
  background:linear-gradient(135deg,var(--brand),#ef4d3e 72%,var(--accent));
  box-shadow:0 12px 28px rgba(214,31,38,.18);
}
.btn.secondary{background:#fff; color:var(--brand-dark); border-color:var(--line)}
.hero{padding:76px 0 44px}
.hero-grid{display:grid; grid-template-columns:1fr 1fr; gap:34px; align-items:center}
.eyebrow{
  display:inline-flex; align-items:center; gap:8px; padding:8px 12px;
  border-radius:999px; background:rgba(214,31,38,.08);
  border:1px solid rgba(214,31,38,.15); color:var(--brand);
  font-size:13px; font-weight:700; margin-bottom:18px;
}
h1{margin:0; font-size:60px; line-height:1.02; letter-spacing:-1.9px}
.hero p{margin:18px 0 26px; max-width:700px; color:var(--muted); font-size:18px; line-height:1.7}
.cta-row{display:flex; gap:14px; flex-wrap:wrap}
.micro{display:flex; flex-wrap:wrap; gap:18px; margin-top:18px; color:#4f627d; font-size:14px}
.micro span{display:flex; align-items:center; gap:8px}
.tick{
  width:18px; height:18px; border-radius:50%; display:grid; place-items:center;
  background:rgba(244,179,33,.15); color:#b27b00; font-size:12px;
  border:1px solid rgba(244,179,33,.22);
}
.hero-card,.card,.shot,.visual-card{
  background:var(--white); border:1px solid var(--line); box-shadow:var(--shadow);
}
.hero-card,.shot,.visual-card{border-radius:28px; overflow:hidden}
.hero-top,.shot-head{
  padding:16px 18px; border-bottom:1px solid var(--line);
  display:flex; justify-content:space-between; align-items:center;
  color:var(--muted); font-size:14px; background:#fbfcff;
}
.screen,.shot-body{
  padding:22px;
  background:
    radial-gradient(circle at 20% 18%, rgba(214,31,38,.06), transparent 18%),
    radial-gradient(circle at 82% 30%, rgba(35,59,99,.08), transparent 18%),
    linear-gradient(180deg,#f8fafd,#eef3f8);
}
.workspace{display:grid; grid-template-columns:240px 1fr; gap:16px; align-items:start}
.phone{
  background:#fff; border:1px solid var(--line); border-radius:28px; padding:14px; box-shadow:var(--shadow);
}
.phone-top{height:22px; width:120px; background:#edf2f8; border-radius:999px; margin:0 auto 12px}
.phone-screen{
  background:#f6f9fc; border:1px solid var(--line); border-radius:22px; padding:14px; min-height:390px;
}
.status{
  display:inline-block; padding:6px 10px; border-radius:999px;
  background:rgba(31,143,113,.1); color:var(--green); font-size:12px; font-weight:700; margin-bottom:12px;
}
.app-card{
  background:#fff; border:1px solid var(--line); border-radius:14px;
  padding:10px 12px; font-size:13px; margin-bottom:8px; color:#38506f; font-weight:600;
}
.desktop{
  background:#fff; border:1px solid var(--line); border-radius:24px; overflow:hidden; box-shadow:var(--shadow);
}
.desktop-header{
  display:flex; justify-content:space-between; align-items:center;
  padding:14px 16px; border-bottom:1px solid var(--line); background:#f8fafd;
}
.dashboard{display:grid; grid-template-columns:1.12fr .88fr; gap:14px; padding:16px}
.panel{background:#fff; border:1px solid var(--line); border-radius:18px; padding:16px}
.site-visual{
  position:relative; min-height:250px; border-radius:18px; overflow:hidden; border:1px solid var(--line);
  background:linear-gradient(180deg,#a2b4c6 0%,#8396aa 30%,#886842 30%,#886842 44%,#99764d 44%,#99764d 100%);
}
.tower{position:absolute; left:42%; bottom:0; width:16%; height:84%; background:rgba(27,44,72,.76); border-radius:6px 6px 0 0}
.crane{position:absolute; right:9%; top:18%; width:34%; height:3px; background:#42577a}
.crane:before{content:''; position:absolute; left:14%; top:-100px; width:3px; height:102px; background:#42577a}
.crane:after{content:''; position:absolute; right:16%; top:3px; width:2px; height:82px; background:#42577a}
.worker{position:absolute; width:20px; height:58px; bottom:19%; left:57%; background:linear-gradient(180deg,#415577 35%,#2c3d5b 35%); border-radius:8px}
.worker:before{content:''; position:absolute; top:-13px; left:1px; width:18px; height:18px; border-radius:50%; background:#d9ad7c}
.worker:after{content:''; position:absolute; top:-16px; left:-1px; width:22px; height:9px; border-radius:7px 7px 2px 2px; background:#ffb703}
.hazard{position:absolute; border:2px solid var(--brand); border-radius:12px}
.hazard.one{left:52%; bottom:12%; width:14%; height:22%}
.hazard.two{left:13%; bottom:30%; width:36%; height:24%}
.badge{
  position:absolute; display:flex; align-items:center; gap:6px; padding:8px 10px;
  border-radius:12px; background:rgba(255,255,255,.96);
  border:1px solid var(--line); font-size:12px; color:#23395b; box-shadow:var(--shadow);
}
.badge.one{right:14px; bottom:18px}
.badge.two{left:14px; top:14px}
.dot{width:10px; height:10px; border-radius:50%; background:var(--brand)}
.mini-grid{display:grid; gap:12px}
.mini{background:#fff; border:1px solid var(--line); border-radius:16px; padding:14px}
.mini h4{margin:0 0 8px; font-size:13px; color:#62748f}
.mini strong{display:block; font-size:22px}
.section{padding:80px 0}
.alt{
  background:linear-gradient(180deg,#f1f5fa,#eef3f8);
  border-top:1px solid #e3ebf4; border-bottom:1px solid #e3ebf4;
}
.section-title{margin:0 0 12px; font-size:42px; line-height:1.08; letter-spacing:-1px}
.section-sub{margin:0 0 30px; max-width:820px; color:var(--muted); font-size:18px; line-height:1.7}
.grid-2,.grid-3,.grid-4{display:grid; gap:18px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{border-radius:22px; padding:24px}
.icon{
  width:48px; height:48px; border-radius:14px; display:grid; place-items:center; margin-bottom:16px;
  background:linear-gradient(135deg, rgba(214,31,38,.10), rgba(35,59,99,.10));
  border:1px solid #e5ecf5; font-size:22px;
}
.card h3{margin:0 0 10px; font-size:21px}
.card p{margin:0; color:var(--muted); line-height:1.7}
.split{display:grid; grid-template-columns:.98fr 1.02fr; gap:24px; align-items:center}
.checklist{display:grid; gap:10px; margin-top:14px}
.check{display:flex; gap:10px; color:#40536c}
.pill-row{display:flex; flex-wrap:wrap; gap:10px; margin-top:16px}
.pill{padding:10px 12px; border-radius:999px; background:#fff; border:1px solid var(--line); color:#495d78; font-size:14px}
.shots-grid{display:grid; grid-template-columns:1.1fr .9fr; gap:18px}
.chatbox{
  background:#fff; border:1px solid var(--line); border-radius:22px; padding:14px; min-height:260px;
}
.msg{
  max-width:82%; margin:10px 0; padding:12px 14px; border-radius:16px; font-size:14px; line-height:1.5;
}
.msg.in{background:#fff; border:1px solid var(--line); color:#27405f}
.msg.out{background:#ecfff9; border:1px solid #d1ece4; color:#165b4a; margin-left:auto}
.stats{display:grid; grid-template-columns:repeat(4,1fr); gap:18px}
.stat{
  text-align:center; padding:24px; border-radius:18px;
  background:#fff; border:1px solid var(--line); box-shadow:var(--shadow);
}
.stat strong{display:block; font-size:40px; color:var(--brand-dark); margin-bottom:8px}
.cta-banner{
  padding:36px; border-radius:28px;
  background:
    radial-gradient(circle at left top, rgba(214,31,38,.10), transparent 30%),
    radial-gradient(circle at right bottom, rgba(35,59,99,.10), transparent 28%),
    linear-gradient(135deg,#ffffff,#f8fafd 60%,#eef3f8);
  border:1px solid var(--line); box-shadow:var(--shadow);
  display:flex; justify-content:space-between; align-items:center; gap:20px;
}
.list{display:grid; gap:12px; margin-top:16px}
.list-item{padding:16px 18px; background:#fff; border:1px solid var(--line); border-radius:16px}
footer{padding:28px 0 54px; color:#7486a0; font-size:14px}
.footer-line{
  border-top:1px solid var(--line); padding-top:20px;
  display:flex; justify-content:space-between; gap:18px; flex-wrap:wrap;
}
@media (max-width:1080px){
  h1{font-size:48px}
  .hero-grid,.split,.grid-2,.grid-3,.grid-4,.stats,.workspace,.dashboard,.shots-grid{grid-template-columns:1fr}
  .nav-links{display:none}
  .cta-banner{flex-direction:column; align-items:flex-start}
}
@media (max-width:640px){
  .container{width:min(var(--max), calc(100% - 24px))}
  h1{font-size:38px}
  .section-title{font-size:32px}
  .hero{padding-top:40px}
  .cta-row{display:grid; grid-template-columns:1fr}
  .btn{width:100%}
}