:root{--navy:#1e3a5f;--navy2:#2d5a8a;--gold:#e8923a;--gold2:#d4822e;--blue:#a8c4e0;--bg:#f8f9fb;--ink:#1a1a1a;--gray:#5A6472;--line:#e5e5e5}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Inter',sans-serif;color:var(--ink);line-height:1.6;background:#fff}
h1,h2,h3,.logo-name{font-family:'Playfair Display',serif}
img{max-width:100%;display:block}
a{color:var(--navy2);text-decoration:none}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
/* top bar */
.topbar{background:var(--navy);color:#B9C4D6;font-size:.85rem;padding:6px 0}
.topbar .wrap{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.topbar a{color:#fff;font-weight:600}
/* header */
header{position:sticky;top:0;z-index:50;background:var(--navy);box-shadow:0 2px 10px rgba(30,58,95,.3)}
.grad-strip{height:4px;background:linear-gradient(90deg,#1e3a5f,#e8923a)}
.nav{display:flex;align-items:center;justify-content:space-between;padding:14px 0;gap:16px}
.logo{display:flex;align-items:center;gap:10px;color:#fff}
.logo-mark{display:flex;flex-direction:column;gap:2.5px;width:26px}
.logo-mark span{height:3.5px;background:var(--gold);border-radius:2px}
.logo-mark span:nth-child(2){width:85%}.logo-mark span:nth-child(4){width:85%}
.logo-name{font-size:1.35rem;font-weight:800;letter-spacing:.3px;line-height:1.1}
.logo-tag{font-size:.62rem;color:var(--blue);letter-spacing:.06em}
.menu{display:flex;gap:4px;list-style:none;align-items:center}
.menu>li>a{display:block;padding:10px 13px;font-weight:600;color:#fff;border-radius:6px;font-size:.95rem}
.menu>li>a:hover,.menu>li>a.active{background:rgba(255,255,255,.1);color:var(--gold)}
.cta-btn{background:var(--gold);color:var(--navy)!important;font-weight:700;padding:10px 18px!important;border-radius:8px}
.cta-btn:hover{background:var(--gold2);color:#fff!important}
.burger{display:none;background:none;border:2px solid #fff;border-radius:8px;padding:6px 10px;font-size:1.2rem;color:#fff;cursor:pointer}
/* hero */
.hero{position:relative;color:#fff;background:linear-gradient(rgba(22,41,74,.78),rgba(22,41,74,.78)),url(images/img_shutters.jpg) center/cover;padding:84px 0}
.hero h1{font-size:clamp(1.9rem,4.5vw,3rem);line-height:1.15;max-width:720px}
.hero p{margin:16px 0 26px;font-size:1.1rem;max-width:640px;color:#DCE3EE}
.hero-badges{display:flex;gap:18px;flex-wrap:wrap;margin-top:30px;font-size:.92rem}
.hero-badges div{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);padding:8px 14px;border-radius:999px}
.btn-row{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-block;padding:14px 26px;border-radius:8px;font-weight:700}
.btn.gold{background:var(--gold);color:var(--navy)}
.btn.gold:hover{background:var(--gold2);color:#fff}
.btn.ghost{border:2px solid #fff;color:#fff}
.btn.ghost:hover{background:#fff;color:var(--navy)}
.btn.navy{background:var(--navy);color:#fff}
.btn.navy:hover{background:var(--navy2)}
/* sections */
section{padding:60px 0}
.eyebrow{color:var(--gold2);font-weight:700;text-transform:uppercase;letter-spacing:.12em;font-size:.8rem}
h2{color:var(--navy);font-size:clamp(1.5rem,3vw,2.1rem);margin:6px 0 14px}
.lead{color:var(--gray);max-width:760px}
.alt{background:var(--bg)}
/* cards */
.grid{display:grid;gap:22px;margin-top:34px}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;display:flex;flex-direction:column;transition:transform .18s,box-shadow .18s}
.card:hover{transform:translateY(-4px);box-shadow:0 12px 28px rgba(22,41,74,.14)}
.card img{height:190px;object-fit:cover;width:100%}
.card .pad{padding:18px;display:flex;flex-direction:column;gap:8px;flex:1}
.card h3{color:var(--navy);font-size:1.1rem}
.card p{color:var(--gray);font-size:.93rem;flex:1}
.card .link{color:var(--gold2);font-weight:700;font-size:.93rem}
/* feature list */
.cols{display:grid;grid-template-columns:1.1fr 1fr;gap:44px;align-items:center;margin-top:26px}
.cols img{border-radius:12px;box-shadow:0 14px 34px rgba(22,41,74,.18)}
ul.checks{list-style:none;margin-top:12px}
ul.checks li{padding:7px 0 7px 30px;position:relative;color:var(--ink)}
ul.checks li::before{content:"\2713";position:absolute;left:0;top:7px;width:20px;height:20px;background:var(--gold);color:var(--navy);border-radius:50%;font-size:.75rem;display:flex;align-items:center;justify-content:center;font-weight:800}
/* gold band */
.band{background:var(--navy);color:#fff;text-align:center;padding:48px 0}
.band h2{color:#fff}
.band p{color:#B9C4D6;max-width:640px;margin:0 auto 24px}
/* product detail rows */
.prod{display:grid;grid-template-columns:1fr 1fr;gap:38px;align-items:center;padding:44px 0;border-bottom:1px solid var(--line)}
.prod:last-of-type{border-bottom:none}
.prod img{border-radius:12px}
.prod.rev img{order:2}
.tag{display:inline-block;background:var(--bg);color:var(--navy2);font-size:.78rem;font-weight:700;padding:4px 10px;border-radius:999px;margin:2px 4px 2px 0;border:1px solid var(--line)}
/* reviews */
.review{background:#fff;border:1px solid var(--line);border-left:4px solid var(--gold);border-radius:10px;padding:22px}
.stars{color:var(--gold);letter-spacing:2px}
.review p{margin:10px 0;color:var(--ink);font-size:.95rem}
.review .who{color:var(--gray);font-size:.85rem;font-weight:600}
/* form */
form{display:grid;gap:16px;max-width:640px}
label{font-weight:600;color:var(--navy);font-size:.92rem}
input,select,textarea{width:100%;padding:12px;border:1.5px solid var(--line);border-radius:8px;font:inherit;margin-top:5px}
input:focus,select:focus,textarea:focus{outline:2px solid var(--gold);border-color:var(--gold)}
.frow{display:grid;grid-template-columns:1fr 1fr;gap:16px}
/* faq */
details{border:1px solid var(--line);border-radius:10px;margin-top:12px;background:#fff}
summary{padding:16px 18px;font-weight:700;color:var(--navy);cursor:pointer}
details p{padding:0 18px 16px;color:var(--gray)}
/* footer */
footer{background:var(--navy);color:#B9C4D6;padding:54px 0 24px;margin-top:60px}
footer h4{color:#fff;margin-bottom:12px;font-size:1rem}
.fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:34px}
footer a{color:#B9C4D6;display:block;padding:3px 0;font-size:.92rem}
footer a:hover{color:var(--gold)}
.fbottom{border-top:1px solid rgba(255,255,255,.15);margin-top:36px;padding-top:18px;font-size:.85rem;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}
.gold-strip{background:var(--gold);color:var(--navy);text-align:center;font-weight:700;padding:12px 16px}
/* sticky mobile call bar */
.callbar{display:none;position:fixed;bottom:0;left:0;right:0;z-index:60;background:var(--navy);padding:10px;gap:10px;justify-content:center}
.callbar a{flex:1;text-align:center;max-width:220px}
@media(max-width:900px){
 .g4{grid-template-columns:repeat(2,1fr)}
 .g3{grid-template-columns:repeat(2,1fr)}
 .cols,.prod{grid-template-columns:1fr}
 .prod.rev img{order:0}
 .fgrid{grid-template-columns:1fr 1fr}
 .burger{display:block}
 .menu{display:none;position:absolute;top:100%;left:0;right:0;background:var(--navy);flex-direction:column;align-items:stretch;padding:12px;border-bottom:3px solid var(--gold);box-shadow:0 12px 24px rgba(30,58,95,.3)}
 .menu.open{display:flex}
 .callbar{display:flex}
 body{padding-bottom:64px}
}
@media(max-width:560px){.g3,.g4{grid-template-columns:1fr}.frow{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto}}