*{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#070b14;--bg2:#0c1220;--panel:#111827;--panel2:#0f1626;
  --txt:#e6ecf5;--muted:#9aa7bd;--line:rgba(255,255,255,.08);
  --pri:#4f8cff;--pri2:#22d3ee;--acc:#8b5cf6;
  --grad:linear-gradient(135deg,#4f8cff 0%,#22d3ee 50%,#8b5cf6 100%);
  --shadow:0 10px 40px rgba(0,0,0,.35);
}
html,body{background:var(--bg);color:var(--txt);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft Yahei",sans-serif;line-height:1.65;-webkit-font-smoothing:antialiased;scroll-behavior:smooth}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(1200px,92%);margin:0 auto}

/* Header */
.site-header{position:fixed;top:0;left:0;right:0;z-index:50;backdrop-filter:blur(14px);background:rgba(7,11,20,.65);border-bottom:1px solid transparent;transition:.25s}
.site-header.scrolled{background:rgba(7,11,20,.9);border-bottom-color:var(--line)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:70px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.5px}
.logo-mark{width:34px;height:34px;border-radius:8px;background:var(--grad);display:grid;place-items:center;color:#fff;font-weight:800;box-shadow:var(--shadow)}
.logo-text{font-size:16px}
.logo-text em{font-style:normal;color:var(--muted);font-weight:500;margin-left:4px}
.main-nav{display:flex;gap:28px}
.main-nav a{color:var(--muted);font-size:14.5px;position:relative;transition:.2s}
.main-nav a:hover{color:#fff}
.main-nav a::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;background:var(--grad);transform:scaleX(0);transition:.25s}
.main-nav a:hover::after{transform:scaleX(1)}
.menu-toggle{display:none;background:none;border:0;width:34px;height:30px;cursor:pointer;flex-direction:column;justify-content:space-around;padding:4px 0}
.menu-toggle span{display:block;height:2px;background:#fff;border-radius:2px;transition:.2s}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:10px;font-weight:600;font-size:14.5px;cursor:pointer;border:0;transition:.25s;letter-spacing:.3px}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 26px rgba(79,140,255,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(79,140,255,.5)}
.btn-ghost{background:rgba(255,255,255,.04);color:#fff;border:1px solid var(--line)}
.btn-ghost:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.2)}
.btn-block{width:100%}

/* Hero */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;padding-top:80px;overflow:hidden}
.hero-bg{position:absolute;inset:0;background:
  radial-gradient(800px 500px at 15% 15%,rgba(79,140,255,.25),transparent 60%),
  radial-gradient(700px 500px at 85% 25%,rgba(139,92,246,.22),transparent 60%),
  radial-gradient(700px 500px at 50% 90%,rgba(34,211,238,.18),transparent 60%),
  linear-gradient(180deg,#070b14 0%,#0b1220 100%);
  z-index:-1}
.hero-bg::before{content:"";position:absolute;inset:0;background-image:
  linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),
  linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:46px 46px;mask-image:radial-gradient(ellipse at center,#000 40%,transparent 80%)}
.hero-inner{padding:80px 0 60px;position:relative}
.hero-tag{display:inline-block;padding:6px 14px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.03);color:var(--muted);font-size:13px;margin-bottom:22px;letter-spacing:.6px}
.hero-title{font-size:clamp(30px,5vw,58px);line-height:1.15;font-weight:800;letter-spacing:-.5px;margin-bottom:22px}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-desc{max-width:760px;color:var(--muted);font-size:16.5px;margin-bottom:34px}
.hero-desc b{color:#fff}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:60px}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;max-width:860px}
.stat{padding:22px 18px;border:1px solid var(--line);border-radius:14px;background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.01));backdrop-filter:blur(6px)}
.stat b{display:block;font-size:30px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{color:var(--muted);font-size:13px}

/* Sections */
.section{padding:110px 0;position:relative}
.section-alt{background:linear-gradient(180deg,#0a1120 0%,#080e1a 100%)}
.section-head{text-align:center;max-width:720px;margin:0 auto 60px}
.eyebrow{display:inline-block;color:var(--pri2);font-size:13px;letter-spacing:3px;text-transform:uppercase;margin-bottom:12px;font-weight:600}
.section-head h2{font-size:clamp(26px,3.5vw,40px);font-weight:800;margin-bottom:12px;letter-spacing:-.3px}
.section-head p{color:var(--muted);font-size:15.5px}

/* About */
.about-grid{display:grid;grid-template-columns:1.2fr .9fr;gap:40px;align-items:start}
.about-text p{color:var(--muted);margin-bottom:16px;font-size:15.5px}
.about-text b{color:#fff}
.check-list{list-style:none;margin-top:22px}
.check-list li{padding-left:30px;position:relative;color:var(--muted);margin-bottom:12px;font-size:15px}
.check-list li::before{content:"✓";position:absolute;left:0;top:0;width:20px;height:20px;border-radius:6px;background:var(--grad);color:#fff;display:grid;place-items:center;font-size:12px;font-weight:800}
.about-card{background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.01));border:1px solid var(--line);border-radius:18px;padding:30px;box-shadow:var(--shadow)}
.about-card-title{font-weight:700;margin-bottom:18px;font-size:17px;display:flex;align-items:center;gap:10px}
.about-card-title::before{content:"";width:4px;height:18px;background:var(--grad);border-radius:3px}
.kv{display:flex;justify-content:space-between;gap:14px;padding:12px 0;border-bottom:1px dashed var(--line);font-size:14.5px}
.kv:last-child{border-bottom:0}
.kv span{color:var(--muted)}
.kv b{color:#fff;text-align:right;font-weight:500}

/* Cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{padding:30px;border:1px solid var(--line);border-radius:16px;background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.01));transition:.3s;position:relative;overflow:hidden}
.card::before{content:"";position:absolute;inset:0;background:var(--grad);opacity:0;transition:.3s;z-index:-1}
.card:hover{transform:translateY(-6px);border-color:rgba(79,140,255,.35);box-shadow:0 20px 50px rgba(0,0,0,.4)}
.card-icon{width:52px;height:52px;border-radius:12px;background:linear-gradient(135deg,rgba(79,140,255,.15),rgba(139,92,246,.15));display:grid;place-items:center;font-size:22px;color:var(--pri2);margin-bottom:18px}
.card h3{font-size:18px;margin-bottom:10px;font-weight:700}
.card p{color:var(--muted);font-size:14.5px}

/* Industries */
.industries{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.ind{padding:28px;border-radius:16px;border:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,.035),rgba(255,255,255,.01));transition:.25s;position:relative;overflow:hidden}
.ind::after{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--grad);transform:scaleX(0);transform-origin:left;transition:.3s}
.ind:hover{transform:translateY(-4px);border-color:rgba(34,211,238,.35)}
.ind:hover::after{transform:scaleX(1)}
.ind h4{font-size:17px;margin-bottom:10px;font-weight:700}
.ind p{color:var(--muted);font-size:14px}

/* Solutions */
.sol-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.sol{padding:32px;border-radius:16px;border:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.01));position:relative}
.sol-num{font-size:36px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:10px;letter-spacing:-1px}
.sol h3{font-size:19px;font-weight:700;margin-bottom:10px}
.sol p{color:var(--muted);font-size:14.5px}

/* Contact */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:30px}
.contact-info{padding:34px;border-radius:16px;border:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.01))}
.ci-item{padding:16px 0;border-bottom:1px dashed var(--line)}
.ci-item:last-child{border-bottom:0}
.ci-label{display:block;color:var(--muted);font-size:13px;margin-bottom:4px;letter-spacing:1px}
.ci-item b,.ci-item a{color:#fff;font-size:15px;font-weight:500}
.ci-item a:hover{color:var(--pri2)}
.contact-form{padding:34px;border-radius:16px;border:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.01))}
.contact-form .row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.contact-form label{display:block;margin-bottom:14px;color:var(--muted);font-size:13px;letter-spacing:.5px}
.contact-form input,.contact-form textarea{width:100%;margin-top:6px;padding:12px 14px;border-radius:10px;border:1px solid var(--line);background:rgba(255,255,255,.03);color:#fff;font-size:14.5px;font-family:inherit;transition:.2s;outline:none}
.contact-form input:focus,.contact-form textarea:focus{border-color:var(--pri);background:rgba(79,140,255,.06)}
.contact-form textarea{resize:vertical}
.form-tip{margin-top:14px;font-size:13.5px;text-align:center;min-height:18px}
.form-tip.ok{color:#22d3ee}
.form-tip.err{color:#f87171}

/* Footer */
.site-footer{border-top:1px solid var(--line);background:#060a11;padding:60px 0 24px;margin-top:20px}
.footer-wrap{display:grid;grid-template-columns:1.4fr .8fr .8fr 1fr;gap:30px;padding-bottom:40px}
.f-col h5{font-size:14px;margin-bottom:16px;color:#fff;letter-spacing:1px}
.f-col a{display:block;color:var(--muted);font-size:14px;margin-bottom:10px;transition:.2s}
.f-col a:hover{color:var(--pri2)}
.f-desc{color:var(--muted);font-size:14px;margin-top:14px;max-width:320px}
.copy{text-align:center;color:var(--muted);font-size:13px;padding-top:24px;border-top:1px solid var(--line)}

/* Reveal */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* Responsive */
@media(max-width:980px){
  .about-grid,.contact-grid,.sol-grid{grid-template-columns:1fr}
  .cards{grid-template-columns:repeat(2,1fr)}
  .industries{grid-template-columns:repeat(2,1fr)}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .footer-wrap{grid-template-columns:repeat(2,1fr)}
  .main-nav{display:none;position:fixed;top:70px;left:0;right:0;flex-direction:column;background:rgba(7,11,20,.98);padding:20px;border-bottom:1px solid var(--line);gap:14px}
  .main-nav.open{display:flex}
  .menu-toggle{display:flex}
}
@media(max-width:560px){
  .cards,.industries,.hero-stats,.footer-wrap,.contact-form .row{grid-template-columns:1fr}
  .section{padding:80px 0}
}