:root{--navy:#061323;--navy2:#0a1d33;--panel:#0f2944;--line:#27435e;--blue:#48a9ff;--cyan:#7ee7ff;--red:#ee3b46;--white:#f7fbff;--muted:#a9bed1;--green:#6ee7a3;--shadow:0 24px 80px rgba(0,0,0,.28)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--navy);color:var(--white);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;font-size:16px;line-height:1.55}a{color:inherit;text-decoration:none}button,input{font:inherit}.shell{width:min(1220px,calc(100% - 40px));margin:auto}
header{position:sticky;top:0;z-index:50;background:rgba(6,19,35,.9);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}nav{height:76px;display:flex;align-items:center;gap:34px}.brand{display:flex;align-items:center;gap:12px;font-size:1.22rem;font-weight:900;letter-spacing:-.04em;margin-right:auto}.brand-mark{width:34px;height:34px;border:5px solid var(--blue);border-left-color:var(--red);transform:skew(-12deg)}.brand small{display:block;color:var(--muted);font-size:.65rem;letter-spacing:.13em;text-transform:uppercase}.navlinks{display:flex;gap:26px;color:#c8d7e5;font-size:.9rem;font-weight:650}.navlinks a{padding:27px 0;border-bottom:2px solid transparent}.navlinks a:hover,.navlinks a.active{color:#fff;border-color:var(--blue)}.nav-cta{background:var(--red);padding:10px 15px;font-weight:800;font-size:.86rem}
main{min-height:75vh}.hero{padding:68px 0 36px;display:grid;grid-template-columns:1.1fr .9fr;gap:58px;align-items:center}.kicker{display:flex;align-items:center;gap:10px;text-transform:uppercase;letter-spacing:.14em;font-size:.76rem;font-weight:850;color:var(--cyan)}.kicker:before{content:"";width:28px;height:3px;background:var(--red)}h1{font-size:clamp(3.1rem,6.4vw,6.4rem);line-height:.92;letter-spacing:-.068em;margin:20px 0 25px}.lead{color:#bfd0df;max-width:680px;font-size:1.12rem}.hero-card{background:linear-gradient(145deg,#12395f,#0b2037);border:1px solid #315b7e;padding:28px;box-shadow:var(--shadow)}.belt-visual{height:240px;display:flex;align-items:center;justify-content:center}.belt{width:88%;height:112px;border:16px solid #293a4a;border-radius:60px;position:relative}.belt:before{content:"";position:absolute;inset:15px;background:repeating-linear-gradient(90deg,#5caee6 0 24px,#2e759f 24px 30px);border-radius:30px;animation:move 4s linear infinite}.belt:after{content:"NARVIFLEX";position:absolute;inset:0;display:grid;place-items:center;font-size:.83rem;font-weight:950;letter-spacing:.18em;text-shadow:0 2px 8px #061323}@keyframes move{to{background-position:120px 0}}.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);padding-top:20px}.hero-stat b{display:block}.hero-stat span{font-size:.72rem;color:var(--muted)}
.workspace{padding:28px 0 82px}.workspace-grid{display:grid;grid-template-columns:230px 1fr 330px;background:#08192b;border:1px solid var(--line);box-shadow:var(--shadow);min-height:700px}.side{padding:25px 16px;border-right:1px solid var(--line);background:#071524}.side-title{font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:#7895ad;padding:0 10px 15px}.side-step{display:flex;align-items:center;gap:12px;padding:13px 10px;color:#9fb5c8;border-left:2px solid transparent}.side-step b{display:grid;place-items:center;width:27px;height:27px;border:1px solid var(--line);border-radius:50%;font-size:.72rem}.side-step.active{background:#102a45;color:white;border-left-color:var(--blue)}.side-step.done b{background:var(--green);color:#062217}.builder{padding:32px}.topline{display:flex;justify-content:space-between;gap:18px}.topline h2{margin:0}.topline p{color:var(--muted);margin:5px 0 25px}.status{font-size:.76rem;color:var(--green);background:#0c3429;padding:7px 10px;height:max-content}.product-tabs{display:flex;gap:8px;overflow:auto}.tab,.choice{border:1px solid var(--line);background:#0b2239;color:#b6c8d8;padding:12px 14px;cursor:pointer}.tab.active,.choice.active{border-color:var(--blue);color:white;background:#123b60;box-shadow:inset 0 0 0 1px var(--blue)}.fieldblock{padding:27px 0;border-top:1px solid var(--line)}.fieldhead{display:flex;justify-content:space-between;margin-bottom:14px}.fieldhead h3{margin:0;font-size:1rem}.fieldhead span{color:var(--cyan);font-size:.8rem}.choicegrid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.choice{text-align:left;min-height:86px}.choice b{display:block;color:#fff}.choice small{color:#91a9bd}.sliderrow{display:grid;grid-template-columns:1fr auto;gap:20px}.sliderrow input{width:100%;accent-color:var(--blue)}.dimension-input{display:flex;align-items:center;max-width:250px;border:1px solid var(--line);background:#0b2239}.dimension-input input{min-width:0;padding:12px 14px;border:0;background:transparent;color:#fff;font-weight:800;outline:none}.dimension-input:focus-within{border-color:var(--blue);box-shadow:inset 0 0 0 1px var(--blue)}.dimension-input span{padding:0 14px;color:var(--cyan);border-left:1px solid var(--line)}.measure{color:var(--cyan)}
.quote{padding:28px;background:#0b2036;border-left:1px solid var(--line);display:flex;flex-direction:column}.quote .label,.page-label{text-transform:uppercase;letter-spacing:.14em;font-size:.7rem;font-weight:850;color:var(--cyan)}.quote h2{margin:10px 0 3px}.quote-ref{color:var(--muted);font-size:.78rem}.quote-price{font-size:2.8rem;font-weight:950;letter-spacing:-.055em;margin:28px 0 6px}.quote-price small{font-size:.72rem;color:var(--muted)}.lines{border-top:1px solid var(--line);margin-top:22px;padding-top:12px}.line{display:flex;justify-content:space-between;gap:15px;padding:9px 0;font-size:.84rem;color:#b6c8d7}.line span:last-child{color:#fff;text-align:right}.total{display:flex;justify-content:space-between;margin-top:12px;padding-top:18px;border-top:1px solid var(--line);font-weight:900}.validation{margin-top:24px;border:1px solid #205c48;background:#0b3026;padding:14px;color:#9ce8c0;font-size:.82rem}.quote button{margin-top:auto;border:0;background:var(--red);color:#fff;padding:15px;font-weight:900}.band-strip{border-block:1px solid var(--line);background:#0b1d30}.band-strip-track{display:flex;gap:45px;padding:14px 0;color:#91aabd;font-size:.78rem;font-weight:800;text-transform:uppercase;white-space:nowrap;overflow:hidden}.band-strip-track span:before{content:"•";color:var(--red);margin-right:18px}
.page-hero{padding:78px 0 52px;max-width:900px}.page-hero h1{font-size:clamp(3rem,6vw,5.8rem)}.page-hero p{font-size:1.15rem;color:var(--muted)}.content-grid{display:grid;grid-template-columns:260px 1fr;gap:48px;padding-bottom:90px}.toc{position:sticky;top:105px;align-self:start;border-left:1px solid var(--line);padding-left:18px}.toc a{display:block;color:var(--muted);padding:8px 0}.content section{padding-bottom:54px;margin-bottom:48px;border-bottom:1px solid var(--line)}.content h2{font-size:2.2rem;letter-spacing:-.045em}.content p,.content li{color:#b8c9d7}.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:13px}.card{background:var(--navy2);border:1px solid var(--line);padding:24px}.card strong{display:block;margin-bottom:7px}.code{background:#020812;border:1px solid #20364b;padding:22px;overflow:auto;color:#b7d9f2;font:14px/1.65 Consolas,monospace}.code .kw{color:#ff7f87}.code .fn{color:#7ee7ff}.code .st{color:#b9eb78}.diagram{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:28px 0}.node{border:1px solid var(--line);background:#0a2035;padding:20px;text-align:center}.node b{display:block;color:var(--cyan)}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;background:#091b2e}th,td{text-align:left;border:1px solid var(--line);padding:14px;vertical-align:top}th{color:var(--cyan);font-size:.78rem;text-transform:uppercase}td{color:#b8c9d7;font-size:.9rem}.callout{border-left:3px solid var(--red);background:#0c2136;padding:20px;margin:24px 0;color:#c9d8e4}footer{border-top:1px solid var(--line);padding:34px 0;color:var(--muted)}footer .shell{display:flex;justify-content:space-between}.toast{position:fixed;right:25px;bottom:25px;background:var(--green);color:#052116;font-weight:850;padding:14px 18px;transform:translateY(100px);opacity:0;transition:.25s}.toast.show{transform:none;opacity:1}
@media(max-width:1020px){.navlinks{display:none}.hero{grid-template-columns:1fr}.workspace-grid{grid-template-columns:1fr}.side{display:none}.quote{border-left:0;border-top:1px solid var(--line);min-height:520px}.content-grid{grid-template-columns:1fr}.toc{position:static}.diagram{grid-template-columns:1fr 1fr}}@media(max-width:650px){.shell{width:min(100% - 24px,1220px)}.nav-cta{display:none}.hero{padding-top:45px}.hero-card{padding:16px}.hero-stats,.choicegrid,.cards{grid-template-columns:1fr}.builder,.quote{padding:22px}.topline{display:block}.diagram{grid-template-columns:1fr}footer .shell{flex-direction:column}}
dialog{width:min(620px,calc(100% - 30px));border:1px solid #315b7e;background:#0b2036;color:var(--white);padding:0;box-shadow:var(--shadow)}dialog::backdrop{background:rgba(1,8,17,.78);backdrop-filter:blur(5px)}dialog form{padding:34px;position:relative}dialog h2{font-size:2rem;margin:8px 0}dialog p{color:var(--muted);margin:0 0 24px}.dialog-close{position:absolute;right:18px;top:14px;border:0;background:transparent;color:#fff;font-size:2rem;cursor:pointer}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.form-grid label{display:grid;gap:6px;color:#c8d8e5;font-size:.84rem;font-weight:750}.form-grid input{width:100%;border:1px solid var(--line);background:#071524;color:#fff;padding:12px;outline:none}.form-grid input:focus{border-color:var(--blue)}.form-grid .full{grid-column:1/-1}.consent{display:flex!important;grid-template-columns:auto 1fr;align-items:start;font-weight:500!important}.consent input{width:auto;margin-top:4px}.honeypot{position:absolute!important;left:-10000px}.submit-pdf{width:100%;margin-top:22px;border:0;background:var(--red);color:#fff;padding:14px;font-weight:900;cursor:pointer}.submit-pdf:disabled{opacity:.65;cursor:wait}.form-status{min-height:24px;color:#ff9aa1;font-size:.85rem;margin-top:12px}@media(max-width:650px){dialog form{padding:27px 20px}.form-grid{grid-template-columns:1fr}.form-grid .full{grid-column:auto}}