:root{--navy:#071c31;--navy2:#0d2b49;--gold:#bf8d2d;--gold2:#e0b85c;--cream:#f7f4ed;--text:#172433;--muted:#617080;--line:#dfe5ea;--white:#fff;--logo:url("/osa-logo.webp")}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,"Segoe UI",sans-serif;color:var(--text);line-height:1.62;background:#fff}a{color:inherit;text-decoration:none}.container{width:min(1160px,92%);margin:auto}.status{background:var(--navy);color:#dbe4ed;font-size:.83rem}.status .container{display:flex;justify-content:space-between;gap:18px;padding:8px 0}.status a{font-weight:700;color:#fff}header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.98);border-bottom:1px solid var(--line)}.nav{display:flex;align-items:center;justify-content:space-between;min-height:92px;gap:24px}.logo{width:390px;max-width:63vw;aspect-ratio:700/154;background:var(--logo) center/contain no-repeat;flex:none}.desktop-nav{display:flex;gap:5px;align-items:center}.desktop-nav a{padding:10px 12px;font-weight:700;font-size:.91rem;border-radius:7px}.desktop-nav a:hover{color:var(--gold)}.desktop-nav .cta{border:1px solid var(--gold)}details.mobile{display:none;position:relative}details.mobile summary{list-style:none;width:48px;height:48px;border:1px solid var(--line);border-radius:9px;display:grid;place-items:center;font-size:29px;cursor:pointer}details.mobile summary::-webkit-details-marker{display:none}details.mobile nav{position:absolute;right:0;top:56px;background:#fff;width:260px;padding:12px;border:1px solid var(--line);box-shadow:0 15px 35px rgba(7,28,49,.13);border-radius:10px}details.mobile nav a{display:block;padding:11px;font-weight:700;border-radius:6px}.hero{background:linear-gradient(112deg,#06182b,#0a2947 65%,#123b62);color:#fff;padding:94px 0 84px;overflow:hidden;position:relative}.hero:after{content:"";position:absolute;width:580px;height:580px;border:1px solid rgba(224,184,92,.18);border-radius:50%;right:-250px;top:-280px}.hero .container{position:relative;z-index:1}.eyebrow{color:var(--gold2);text-transform:uppercase;letter-spacing:.14em;font-weight:800;font-size:.78rem;margin-bottom:15px}h1,h2,h3{font-family:Georgia,"Times New Roman",serif;color:var(--navy);line-height:1.12;margin-top:0}h1{color:#fff;font-size:clamp(2.7rem,6vw,5.4rem);max-width:970px;margin-bottom:24px}h2{font-size:clamp(2rem,3.8vw,3.35rem);margin-bottom:18px}h3{font-size:1.35rem}.gold{color:var(--gold2)}.lead{font-size:1.15rem;color:#dbe5ee;max-width:830px}.buttons{display:flex;gap:12px;flex-wrap:wrap;margin-top:31px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:12px 22px;border-radius:7px;font-weight:800}.primary{background:var(--gold);color:#fff}.outline{border:1px solid rgba(255,255,255,.5);color:#fff}.trust{border-bottom:1px solid var(--line)}.trust .container{display:grid;grid-template-columns:repeat(5,1fr);text-align:center}.trust span{padding:16px 8px;border-right:1px solid var(--line);font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;font-weight:800;color:#586777}.trust span:last-child{border-right:0}section{scroll-margin-top:105px}.section{padding:84px 0}.alt{background:var(--cream)}.dark{background:var(--navy);color:#dbe5ee}.dark h2,.dark h3{color:#fff}.section-head{max-width:830px;margin-bottom:42px}.section-head p,.muted{color:var(--muted)}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}.card{background:#fff;border:1px solid #e6ebef;border-radius:17px;padding:28px;box-shadow:0 10px 30px rgba(7,28,49,.06)}.card p{color:var(--muted);margin-bottom:0}.number{font-family:Georgia,serif;color:var(--gold);font-size:1.25rem}.service{border-top:3px solid var(--gold)}.split{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}.quote{background:var(--navy);color:#fff;border-radius:24px;padding:36px}.quote h3{color:var(--gold2);font-size:1.55rem}.quote p{color:#cbd7e2}.status-card{background:#fff;border:1px solid #eadfca;border-radius:20px;padding:34px}.chip{display:inline-block;background:#fff4df;color:#8b631d;border:1px solid #ead4a7;border-radius:999px;padding:6px 11px;font-size:.74rem;text-transform:uppercase;letter-spacing:.08em;font-weight:800}.bridge{min-height:350px;border-radius:24px;background:linear-gradient(145deg,#06182b,#123b62);color:#fff;display:grid;place-items:center;text-align:center;padding:32px;box-shadow:0 20px 55px rgba(7,28,49,.12)}.bridge strong{font-family:Georgia,serif;font-size:1.8rem;letter-spacing:.08em}.bridge div{color:var(--gold2);margin:17px 0;font-size:2rem}.check{padding:0;list-style:none}.check li{padding-left:27px;position:relative;margin:10px 0}.check li:before{content:"✓";position:absolute;left:0;color:var(--gold);font-weight:900}.sector{min-height:180px}.principles{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.14)}.principles div{padding:25px;background:rgba(255,255,255,.035)}.principles strong{display:block;color:var(--gold2);font-family:Georgia,serif;font-size:1.2rem;margin-bottom:7px}.contact{display:grid;grid-template-columns:.8fr 1.2fr;gap:25px}.contact-box,form{background:#fff;border:1px solid var(--line);border-radius:20px;padding:32px;box-shadow:0 10px 30px rgba(7,28,49,.06)}label{display:block;font-weight:700;font-size:.9rem;margin-bottom:5px}input,select,textarea{width:100%;padding:12px 13px;border:1px solid #ccd5dd;border-radius:7px;font:inherit;margin-bottom:15px}textarea{min-height:145px;resize:vertical}form .btn{border:0;cursor:pointer}.legal{max-width:900px}.legal h3{margin-top:29px}footer{background:#051524;color:#d5dee6;padding:55px 0 25px}.footer-grid{display:grid;grid-template-columns:1.45fr 1fr 1fr;gap:38px}.footer-logo{width:360px;max-width:100%;aspect-ratio:700/154;background:#fff var(--logo) center/contain no-repeat;border-radius:8px;padding:8px}footer h3{color:#fff;font-size:1.05rem}footer a{display:block;margin:8px 0;color:#d5dee6}footer p{color:#aebdca}.signature{font-family:Georgia,serif;color:var(--gold2)!important;font-size:1.08rem}.disclaimer{border-top:1px solid rgba(255,255,255,.12);margin-top:32px;padding-top:18px;color:#8799a8;font-size:.8rem}.copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:18px;padding-top:16px;color:#7f93a3;font-size:.78rem}@media(max-width:900px){.desktop-nav{display:none}details.mobile{display:block}.logo{width:310px;max-width:72vw}.split,.contact{grid-template-columns:1fr}.grid3{grid-template-columns:repeat(2,1fr)}.principles{grid-template-columns:repeat(2,1fr)}.trust .container{grid-template-columns:repeat(3,1fr)}.trust span:nth-child(3){border-right:0}}@media(max-width:600px){.status .container{display:block;text-align:center}.status span{display:block;margin-top:3px;font-size:.72rem}.nav{min-height:84px}.logo{width:255px;max-width:73vw}.hero{padding:68px 0 62px}.section{padding:62px 0}.grid3,.grid2,.principles,.footer-grid{grid-template-columns:1fr}.trust .container{grid-template-columns:1fr 1fr}.trust span:nth-child(3){border-right:1px solid var(--line)}.trust span:nth-child(even){border-right:0}.trust span:last-child{grid-column:1/-1}h1{font-size:clamp(2.7rem,13vw,4.4rem)}}