:root{--blue:#2861c9;--blue2:#0b7cc1;--navy:#132239;--ink:#14213a;--muted:#667085;--line:#e5eaf1;--soft:#f4f8ff;--white:#fff;--shadow:0 20px 55px rgba(24,39,75,.10)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,"Helvetica Neue",sans-serif;color:var(--ink);background:#fff;line-height:1.65}.container{width:min(1180px,calc(100% - 40px));margin:auto}a{color:inherit}.topbar{background:var(--blue);color:#fff;font-size:14px}.topbar .inner{display:flex;justify-content:space-between;align-items:center;gap:24px;min-height:42px;flex-wrap:wrap}.topbar a{text-decoration:none;color:#fff}.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:1000}.navrow{min-height:86px;display:flex;align-items:center;gap:26px}.brand img{width:250px;max-width:40vw;height:auto}.nav{display:flex;align-items:center;gap:24px;margin-left:auto}.nav a{text-decoration:none;font-weight:700;font-size:15px;color:var(--ink)}.nav a:hover,.nav a.active{color:var(--blue)}.dropdown{position:relative}.dropdown-menu{display:none;position:absolute;top:100%;left:-20px;min-width:260px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:10px;padding:10px}.dropdown:hover .dropdown-menu{display:block}.dropdown-menu a{display:block;padding:10px 12px;border-radius:7px}.dropdown-menu a:hover{background:var(--soft)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;border:0;border-radius:9px;padding:14px 22px;background:var(--blue);color:#fff;text-decoration:none;font-weight:800}.btn:hover{filter:brightness(.96);color:#fff}.btn-outline{background:transparent;border:1px solid var(--blue);color:var(--blue)}.btn-light{background:#fff;color:var(--blue)}.mobile-toggle{display:none;margin-left:auto;border:0;background:transparent;font-size:27px}.hero{min-height:660px;display:flex;align-items:center;color:#fff;background:linear-gradient(90deg,rgba(12,29,54,.86),rgba(12,29,54,.55) 48%,rgba(12,29,54,.12)),url('../img/oxygene/hero-menuiseries.png') center/cover no-repeat}.hero h1{font-size:clamp(42px,5vw,72px);line-height:1.03;letter-spacing:-2.5px;margin:16px 0 24px;max-width:860px}.hero p{font-size:20px;max-width:760px;color:#f6f8fb}.kicker{display:inline-flex;background:#fff;color:var(--blue);font-size:12px;font-weight:900;letter-spacing:1.3px;text-transform:uppercase;padding:8px 13px;border-radius:22px}.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}.trust{margin-top:-42px;position:relative;z-index:3}.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.trust-card{background:#fff;border-radius:12px;box-shadow:var(--shadow);padding:26px}.trust-card strong{display:block;color:var(--blue);font-size:26px}.section{padding:95px 0}.section.soft{background:var(--soft)}.eyebrow{font-size:12px;letter-spacing:1.5px;text-transform:uppercase;color:var(--blue);font-weight:900}.section-title{font-size:clamp(34px,4vw,55px);line-height:1.08;letter-spacing:-1.7px;margin:10px 0 20px}.lead{font-size:18px;color:var(--muted)}.grid{display:grid;gap:24px}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}.card{border:1px solid var(--line);border-radius:13px;background:#fff;overflow:hidden;height:100%;box-shadow:0 4px 16px rgba(24,39,75,.04)}.card img{width:100%;height:235px;object-fit:cover}.card-body{padding:26px}.card h2,.card h3{margin:0 0 10px;line-height:1.2}.card p{color:var(--muted)}.text-link{color:var(--blue);font-weight:800;text-decoration:none}.split{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}.media{width:100%;height:520px;object-fit:cover;border-radius:14px}.checks{list-style:none;padding:0}.checks li{position:relative;padding-left:30px;margin:12px 0;color:var(--muted)}.checks li:before{content:'✓';position:absolute;left:0;color:var(--blue);font-weight:900}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.stat{background:#fff;border:1px solid var(--line);border-radius:12px;padding:24px}.stat strong{font-size:31px;color:var(--blue);display:block}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.step{background:#fff;border-left:4px solid var(--blue);padding:26px;box-shadow:0 8px 24px rgba(24,39,75,.05)}.step small{color:var(--blue);font-weight:900;text-transform:uppercase}.breadcrumb{position:relative;min-height:410px;display:flex;align-items:center;text-align:center;color:#fff;background:linear-gradient(rgba(14,34,63,.72),rgba(14,34,63,.72)),url('../img/oxygene/hero-menuiseries.png') center/cover no-repeat}.breadcrumb .container{position:relative;z-index:2}.breadcrumb h1{font-size:clamp(42px,5vw,65px);line-height:1.05;margin:0 0 14px}.breadcrumb p{font-size:18px;color:#eef3fb;margin:0 auto;max-width:760px}.subnav{background:#fff;border-bottom:1px solid var(--line)}.subnav .inner{display:flex;gap:22px;overflow:auto;padding:14px 0}.subnav a{white-space:nowrap;text-decoration:none;font-weight:700;color:var(--muted)}.subnav a:hover{color:var(--blue)}.product-hero{display:grid;grid-template-columns:.9fr 1.1fr;gap:55px;align-items:center}.product-hero img{width:100%;height:500px;object-fit:cover;border-radius:14px}.feature-box{background:var(--soft);border-radius:14px;padding:30px}.feature-box h3{margin-top:0}.gallery{display:grid;grid-template-columns:2fr 1fr 1fr;gap:18px}.gallery img{width:100%;height:320px;object-fit:cover;border-radius:11px}.quote{background:linear-gradient(110deg,var(--navy),var(--blue));border-radius:18px;color:#fff;padding:52px}.quote h2,.quote p{color:#fff}.faq details{border:1px solid var(--line);border-radius:10px;margin-bottom:12px;background:#fff;padding:18px 20px}.faq 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a{color:#d8e0eb;text-decoration:none}.footer a:hover{color:#fff}.footer-grid{display:grid;grid-template-columns:1.4fr .8fr 1fr 1fr;gap:40px}.footer-logo{width:250px;max-width:100%;filter:brightness(0) invert(1)}.footer ul{list-style:none;padding:0}.footer li{margin:9px 0}.footer-bottom{border-top:1px solid rgba(255,255,255,.14);margin-top:45px;padding-top:22px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:14px}.notice{font-size:13px;color:#7a8798}.badge-row{display:flex;gap:12px;flex-wrap:wrap}.badge{background:var(--soft);color:var(--blue);font-weight:800;padding:8px 11px;border-radius:8px}.article-card time{font-size:13px;color:var(--blue);font-weight:800}.article-card .card-body{min-height:235px}.hide{display:none}
@media(max-width:1100px){.nav{gap:15px}.nav a{font-size:14px}.header-cta{display:none}.steps{grid-template-columns:repeat(2,1fr)}.grid-4{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:900px){.mobile-toggle{display:block}.nav{display:none;position:absolute;left:20px;right:20px;top:100%;background:#fff;padding:18px;border:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav.open{display:flex}.dropdown-menu{display:block;position:static;box-shadow:none;border:0;padding:4px 0 0 14px}.hero{min-height:570px}.trust{margin-top:0}.trust-grid,.grid-3{grid-template-columns:repeat(2,1fr)}.split,.product-hero,.contact-grid{grid-template-columns:1fr}.media,.product-hero img{height:420px}.gallery{grid-template-columns:1fr 1fr}.gallery img:first-child{grid-column:1/-1}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.container{width:min(100% - 28px,1180px)}.topbar .inner{padding:8px 0}.brand img{max-width:210px}.navrow{min-height:74px}.hero h1{font-size:43px}.hero p{font-size:17px}.section{padding:70px 0}.trust-grid,.grid-2,.grid-3,.grid-4,.steps,.stats,.footer-grid{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.gallery{grid-template-columns:1fr}.gallery img:first-child{grid-column:auto}.quote{padding:34px 24px}.breadcrumb{min-height:330px}.media,.product-hero img{height:340px}}