:root{--navy:#082b63;--blue:#1258ad;--orange:#f47b20;--ink:#162238;--muted:#66748a;--bg:#f7f9fc;--white:#fff;--line:#e4e9f0;--shadow:0 14px 40px rgba(10,42,90,.09)}
*{box-sizing:border-box}@media (prefers-reduced-motion: no-preference){html{scroll-behavior:smooth}}body{margin:0;color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);line-height:1.6}img{max-width:100%;height:auto}a{color:inherit}.bt-header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.96);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}.bt-nav{max-width:1240px;margin:auto;padding:12px 22px;display:flex;align-items:center;gap:30px}.bt-logo{display:flex;align-items:center;text-decoration:none;color:var(--navy);font-weight:900}.bt-logo img{max-height:48px;width:auto;object-fit:contain}.bt-links{display:flex;align-items:center;gap:22px;margin-left:auto}.bt-links a{text-decoration:none;color:#40506a;font-size:14px;font-weight:700}.bt-links a:hover{color:var(--orange)}.bt-cta{background:var(--orange)!important;color:#fff!important;padding:10px 15px;border-radius:8px}.bt-menu{display:none;border:0;background:transparent;color:var(--navy);font-size:25px;cursor:pointer}.bt-mobile{display:none}.bt-hero{padding:86px 0;background:linear-gradient(135deg,#f5f9ff,#fff)}.bt-container{max-width:1240px;margin:auto;padding:0 22px}.bt-hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center}.bt-eyebrow{font-size:12px;font-weight:900;letter-spacing:.15em;color:var(--orange)}.bt-hero h1{font-size:clamp(42px,6vw,72px);line-height:1.02;letter-spacing:-.045em;color:var(--navy);margin:12px 0 20px}.bt-hero p{font-size:18px;color:var(--muted);max-width:690px}.bt-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.bt-btn{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;border-radius:9px;padding:12px 18px;font-weight:800;border:1px solid var(--line)}.bt-btn-primary{background:var(--orange);border-color:var(--orange);color:#fff}.bt-btn-secondary{background:#fff;color:var(--navy)}.bt-hero-art{min-height:350px;border-radius:24px;background:radial-gradient(circle at 30% 30%,#dcecff,#edf4ff 45%,#fff);box-shadow:var(--shadow);display:grid;place-items:center;padding:35px}.bt-hero-art-inner{width:100%;max-width:400px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:0 15px 35px rgba(10,42,90,.08)}.bt-bars{display:grid;gap:12px}.bt-bar{height:52px;border-radius:10px;background:#f1f5fa;position:relative;overflow:hidden}.bt-bar:after{content:"";display:block;width:65%;height:100%;background:var(--blue);opacity:.12}.bt-section{padding:76px 0}.bt-section-alt{background:#fff}.bt-section-head{max-width:760px;margin-bottom:32px}.bt-section-head h2{font-size:38px;line-height:1.1;color:var(--navy);margin:8px 0 12px}.bt-section-head p{color:var(--muted);font-size:17px}.bt-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.bt-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px;box-shadow:0 1px 0 rgba(10,42,90,.02);transition:.18s}.bt-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.bt-card-icon{width:46px;height:46px;border-radius:11px;background:#edf4ff;color:var(--blue);display:grid;place-items:center;font-weight:900;margin-bottom:17px}.bt-card h3{margin:0 0 8px;color:var(--navy);font-size:19px}.bt-card p{margin:0;color:var(--muted);font-size:14px}.bt-projects{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.bt-project{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;text-decoration:none;box-shadow:0 1px 0 rgba(10,42,90,.02)}.bt-project img{width:100%;height:210px;object-fit:cover;display:block}.bt-project-body{padding:18px}.bt-project-body h3{color:var(--navy);margin:0 0 6px}.bt-project-body p{color:var(--muted);font-size:14px;margin:0}.bt-tools{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.bt-tool{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px;text-decoration:none}.bt-tool:hover{border-color:#c7d5e8;box-shadow:var(--shadow)}.bt-tool strong{display:block;color:var(--navy)}.bt-tool span{font-size:12px;color:var(--muted)}.bt-footer{background:#08244e;color:#cbd6e5;padding:48px 0}.bt-footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:30px}.bt-footer h3{color:#fff}.bt-footer a{text-decoration:none;color:#d8e2ef;display:block;margin:7px 0;font-size:14px}.bt-footer a:hover{color:#fff}.bt-footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:30px;padding-top:18px;font-size:13px}.bt-page{padding:70px 0}.bt-page h1{font-size:48px;color:var(--navy);line-height:1.08}.bt-page p,.bt-page li{color:var(--muted)}.bt-contact{display:grid;grid-template-columns:1fr 1fr;gap:24px}.bt-form{background:#fff;border:1px solid var(--line);border-radius:14px;padding:25px;box-shadow:var(--shadow)}.bt-form label{display:block;font-weight:700;color:var(--ink);margin-bottom:15px}.bt-form input,.bt-form textarea,.bt-form select{display:block;width:100%;margin-top:7px;padding:12px;border:1px solid #cbd5e1;border-radius:8px;outline:0}.bt-form input:focus,.bt-form textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px #1258ad12}
@media(max-width:980px){.bt-grid-3,.bt-projects{grid-template-columns:1fr 1fr}.bt-tools{grid-template-columns:1fr 1fr}.bt-hero-grid,.bt-contact{grid-template-columns:1fr}.bt-links{display:none}.bt-menu{display:block;margin-left:auto}.bt-mobile{position:absolute;left:0;right:0;top:73px;background:#fff;border-bottom:1px solid var(--line);padding:15px 22px;box-shadow:var(--shadow)}.bt-mobile.open{display:block}.bt-mobile a{display:block;padding:12px 0;text-decoration:none;font-weight:750;border-bottom:1px solid #f0f2f5}}
@media(max-width:620px){.bt-container{padding:0 16px}.bt-hero{padding:58px 0}.bt-grid-3,.bt-projects,.bt-tools{grid-template-columns:1fr}.bt-section{padding:55px 0}.bt-section-head h2{font-size:30px}.bt-hero h1{font-size:43px}.bt-hero p{font-size:16px}.bt-footer-grid{grid-template-columns:1fr}.bt-nav{padding:10px 16px}.bt-hero-art{min-height:260px}}
.faq-list details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 18px;margin-bottom:10px}.faq-list summary{font-weight:800;color:var(--navy);cursor:pointer}.faq-list p{margin:10px 0 0;color:var(--muted)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid var(--orange);outline-offset:2px;border-radius:4px}
.bt-visits{color:#5a6b84;font-weight:700;margin-left:10px}.bt-visits b{color:var(--navy)}