*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;color:#2d3748;line-height:1.6;background:#fff}img{max-width:100%;height:auto;display:block;border-radius:8px}a{color:inherit;text-decoration:none}.container{max-width:1100px;margin:0 auto;padding:0 24px}.navbar{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,255,255,0.95);backdrop-filter:blur(8px);border-bottom:1px solid #e2e8f0}.nav-container{display:flex;align-items:center;justify-content:space-between;height:64px}.logo{font-size:1.4rem;font-weight:700;letter-spacing:-0.5px}.logo-accent{color:#3182ce}.nav-links{display:flex;align-items:center;gap:32px;list-style:none;font-size:0.95rem}.nav-links a{transition:color 0.2s}.nav-links a:hover{color:#3182ce}.btn{display:inline-block;padding:10px 24px;border-radius:6px;font-weight:600;font-size:0.95rem;transition:all 0.2s}.btn-nav{background:#3182ce;color:#fff!important}.btn-nav:hover{background:#2b6cb0}.btn-primary{background:#3182ce;color:#fff;padding:14px 32px;font-size:1rem}.btn-primary:hover{background:#2b6cb0;transform:translateY(-1px)}.btn-large{font-size:1.15rem;padding:16px 40px}.hero{position:relative;min-height:520px;display:flex;align-items:center;background:linear-gradient(135deg,#1a365d 0%,#2a4a7f 50%,#2b6cb0 100%);margin-top:64px;overflow:hidden}.hero-overlay{position:absolute;inset:0;background:url('../img/hero-bg.jpg') center/cover no-repeat;opacity:0.12}.hero-content{position:relative;z-index:1;color:#fff;max-width:680px;padding:80px 0}.hero h1{font-size:2.8rem;font-weight:800;line-height:1.15;margin-bottom:20px;letter-spacing:-1px}.hero-sub{font-size:1.15rem;opacity:0.85;margin-bottom:32px;line-height:1.7}.section{padding:80px 0}.section-dark{background:#f7fafc}.section-light{background:#edf2f7}.section-cta{background:linear-gradient(135deg,#1a365d,#2b6cb0);color:#fff;text-align:center;padding:80px 0}.section-cta p{opacity:0.85;font-size:1.1rem;margin:12px 0 32px}.section-title{font-size:2rem;font-weight:700;text-align:center;margin-bottom:12px}.section-subtitle{text-align:center;color:#718096;font-size:1.05rem;margin-bottom:48px;max-width:600px;margin-left:auto;margin-right:auto}.grid{display:grid;gap:32px}.grid-3{grid-template-columns:repeat(3,1fr)}.card{background:#fff;border:1px solid #e2e8f0;border-radius:12px;padding:32px 28px;transition:transform 0.2s,box-shadow 0.2s}.card:hover{transform:translateY(-4px);box-shadow:0 8px 24px rgba(0,0,0,0.08)}.card-icon{font-size:2rem;margin-bottom:16px;color:#3182ce}.card h3{font-size:1.15rem;margin-bottom:10px}.card p{color:#718096;font-size:0.95rem}.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}.split-reverse .split-text{order:2}.split-reverse .split-image{order:1}.split-text h2{font-size:1.8rem;font-weight:700;margin-bottom:16px;line-height:1.25}.split-text p{color:#4a5568;margin-bottom:16px}.check-list{list-style:none;margin-top:20px}.check-list li{padding:6px 0 6px 28px;position:relative;color:#4a5568}.check-list li::before{content:'\2713';position:absolute;left:0;color:#38a169;font-weight:700}.tech-grid{display:flex;flex-wrap:wrap;justify-content:center;gap:12px}.tech-tag{background:#fff;border:1px solid #cbd5e0;border-radius:20px;padding:8px 20px;font-size:0.9rem;font-weight:500;color:#4a5568;transition:all 0.2s}.tech-tag:hover{border-color:#3182ce;color:#3182ce}.footer{background:#1a202c;color:#a0aec0;padding:48px 0 32px}.footer-content{display:flex;flex-direction:column;align-items:center;gap:20px}.footer-brand{text-align:center}.footer-brand .logo{color:#fff}.footer-brand p{font-size:0.9rem;margin-top:8px}.footer-links{display:flex;gap:24px;font-size:0.9rem}.footer-links a:hover{color:#fff}.footer-copy{font-size:0.8rem;color:#718096}@media(max-width:768px){.hero h1{font-size:2rem}.hero-content{padding:60px 0}.grid-3{grid-template-columns:1fr}.split{grid-template-columns:1fr;gap:32px}.split-reverse .split-text{order:1}.split-reverse .split-image{order:2}.nav-links{gap:16px;font-size:0.85rem}}