*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Segoe UI',Tahoma,Geneva,Verdana,sans-serif;color:#333;line-height:1.6}
html{scroll-behavior:smooth}
a{text-decoration:none;color:inherit;transition:color .3s}
ul{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* Header */
header{background:#0a2540;position:sticky;top:0;z-index:999;box-shadow:0 2px 20px rgba(0,0,0,.3)}
header .container{display:flex;justify-content:space-between;align-items:center;height:72px}
.logo{font-size:24px;font-weight:800;color:#fff}
.logo span{color:#00d4aa}

/* Navigation */
.main-nav{display:flex;gap:0}
.main-nav>li{position:relative}
.main-nav>li>a{display:block;padding:26px 22px;color:#ccd6f6;font-size:14px;font-weight:500}
.main-nav>li:hover>a{color:#00d4aa;background:rgba(0,212,170,.05)}
.sub-menu{display:none;position:absolute;top:100%;left:0;background:#fff;min-width:240px;
border-radius:0 0 8px 8px;box-shadow:0 12px 40px rgba(0,0,0,.15);overflow:hidden;z-index:100}
.main-nav>li:hover .sub-menu{display:block}
.sub-menu li a{display:block;padding:13px 22px;color:#333;font-size:13px;
border-bottom:1px solid #f1f1f1;transition:all .3s}
.sub-menu li a:hover{background:#00d4aa;color:#fff;padding-left:28px}
.sub-menu li:last-child a{border-bottom:none}

/* Hero */
.hero{background:linear-gradient(135deg,#0a2540 0%,#1a3a5c 50%,#0d4f8b 100%);
padding:120px 0;color:#fff;text-align:center}
.hero h1{font-size:48px;font-weight:800;margin-bottom:20px;line-height:1.2}
.hero h1 span{color:#00d4aa}
.hero p{font-size:18px;color:#94a3b8;max-width:700px;margin:0 auto 40px}
.hero-stats{display:flex;justify-content:center;gap:60px;margin-top:50px}
.hero-stats .stat h3{font-size:36px;color:#00d4aa;font-weight:700}
.hero-stats .stat p{font-size:13px;color:#94a3b8;margin-top:4px}

/* Buttons */
.btn{display:inline-block;padding:14px 34px;border-radius:6px;font-size:14px;font-weight:600;transition:all .3s}
.btn-primary{background:#00d4aa;color:#0a2540}
.btn-primary:hover{background:#33e6c0;transform:translateY(-2px)}
.btn-ghost{border:2px solid #00d4aa;color:#00d4aa}
.btn-ghost:hover{background:#00d4aa;color:#0a2540}

/* Sections */
.section{padding:80px 0}
.section-header{text-align:center;margin-bottom:50px}
.section-header h2{font-size:32px;font-weight:700;color:#0a2540;margin-bottom:12px}
.section-header p{color:#666;font-size:16px;max-width:600px;margin:0 auto}
.bg-light{background:#f8fafc}

/* Page Header */
.page-header{background:linear-gradient(135deg,#0a2540,#1a3a5c,#0d4f8b);
padding:80px 0 60px;color:#fff;text-align:center}
.page-header h1{font-size:40px;font-weight:800;margin-bottom:12px}
.page-header p{color:#94a3b8;font-size:16px}

/* Cards */
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.feature-card{background:#fff;border-radius:12px;padding:36px 28px;border:1px solid #e2e8f0;transition:all .3s}
.feature-card:hover{transform:translateY(-5px);box-shadow:0 12px 40px rgba(0,0,0,.08);border-color:#00d4aa}
.feature-card .icon{width:50px;height:50px;background:linear-gradient(135deg,#00d4aa,#0d4f8b);border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:22px;color:#fff;margin-bottom:16px}
.feature-card h3{font-size:17px;color:#0a2540;margin-bottom:10px}
.feature-card p{font-size:14px;color:#666;line-height:1.7}
.card-link{color:#00d4aa;font-size:13px;font-weight:600;margin-top:12px;display:inline-block}

/* Sub-sections */
.sub-section{padding:70px 0;border-bottom:1px solid #e2e8f0}
.sub-section:last-child{border-bottom:none}
.sub-section h3{font-size:26px;font-weight:700;color:#0a2540;margin-bottom:16px}
.sub-section p{color:#555;font-size:15px;line-height:1.8;margin-bottom:14px;max-width:800px}
.highlight-box{background:#f0fdf9;border-left:4px solid #00d4aa;padding:20px 24px;border-radius:0 8px 8px 0;margin:20px 0}
.highlight-box p{margin:0;color:#0a2540}
.sub-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;margin-top:30px}
.sub-grid-img{background:linear-gradient(135deg,#0a2540,#0d4f8b);border-radius:12px;height:260px;display:flex;align-items:center;justify-content:center;font-size:56px;color:#00d4aa}
.feature-list{margin-top:16px}
.feature-list li{padding:8px 0 8px 24px;position:relative;color:#444;font-size:14px}
.feature-list li::before{content:"\2713";position:absolute;left:0;color:#00d4aa;font-weight:700}

/* Tech badges */
.tech-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.tech-badges span{background:#f0fdf9;border:1px solid #00d4aa;color:#0a2540;padding:6px 14px;border-radius:20px;font-size:12px;font-weight:600}

/* About */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.about-text h3{font-size:26px;color:#0a2540;margin-bottom:16px}
.about-text p{color:#555;font-size:15px;margin-bottom:14px;line-height:1.8}
.about-visual{background:linear-gradient(135deg,#0a2540,#0d4f8b);border-radius:16px;height:350px;display:flex;align-items:center;justify-content:center;color:#00d4aa;font-size:64px}

/* Contact */
.contact-section{padding:80px 0}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px}
.contact-info h3{font-size:26px;color:#0a2540;margin-bottom:16px}
.contact-info>p{color:#666;margin-bottom:25px}
.c-item{display:flex;align-items:center;gap:14px;margin-bottom:20px;color:#444;font-size:14px}
.c-item .c-icon{width:42px;height:42px;background:rgba(0,212,170,.12);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#0a2540;font-size:16px}
.contact-form input,.contact-form textarea{width:100%;padding:14px 18px;margin-bottom:14px;background:#f8fafc;border:1px solid #e2e8f0;border-radius:8px;color:#333;font-size:14px;outline:none;font-family:inherit}
.contact-form input:focus,.contact-form textarea:focus{border-color:#00d4aa}
.contact-form textarea{height:120px;resize:vertical}
.contact-form button{background:#00d4aa;color:#0a2540;border:none;padding:14px 36px;border-radius:6px;font-size:14px;font-weight:600;cursor:pointer;transition:all .3s}
.contact-form button:hover{background:#33e6c0;transform:translateY(-2px)}

/* CTA */
.cta{background:linear-gradient(135deg,#0a2540,#0d4f8b);padding:80px 0;text-align:center;color:#fff}
.cta h2{font-size:30px;margin-bottom:14px}
.cta p{color:#94a3b8;font-size:16px;margin-bottom:30px}

/* Footer */
footer{background:#071b30;color:#94a3b8;padding:50px 0 30px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px;margin-bottom:30px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:14px}
.footer-col p,.footer-col a{display:block;font-size:13px;color:#64748b;margin-bottom:8px;line-height:1.7}
.footer-col a:hover{color:#00d4aa}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:20px;text-align:center;font-size:12px;color:#475569}
.footer-bottom a{color:#00d4aa}
.company-info{margin-top:12px;font-size:11px;color:#475569;line-height:1.8}

/* Responsive */
@media(max-width:992px){
.features-grid{grid-template-columns:repeat(2,1fr)}
.sub-grid,.about-grid{grid-template-columns:1fr}
}
@media(max-width:768px){
.main-nav{display:none}
.hero h1{font-size:32px}
.hero-stats{flex-direction:column;gap:20px}
.features-grid{grid-template-columns:1fr}
.contact-grid,.footer-grid{grid-template-columns:1fr}
.page-header h1{font-size:28px}
}