:root{
  --blue:#17324d;
  --blue-2:#244866;
  --gold:#d8b466;
  --green:#1f7a6d;
  --ink:#15243d;
  --muted:#657489;
  --line:#e5edf4;
  --bg:#f7f9fc;
  --white:#fff;
  --shadow:0 18px 50px rgba(15,35,60,.10);
  --radius:22px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,Arial,Helvetica,sans-serif;
  color:var(--ink);
  background:#fff;
  line-height:1.65;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
.container{width:min(1180px,92%);margin:auto}
.topbar{background:var(--blue);color:#d7e4f2;font-size:14px}
.topbar .container{display:flex;justify-content:space-between;gap:18px;padding:8px 0;flex-wrap:wrap}
.site-header{
  position:sticky;top:0;z-index:100;background:rgba(255,255,255,.94);
  backdrop-filter:blur(12px);border-bottom:1px solid var(--line)
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:14px 0}
.logo{display:flex;align-items:center;gap:10px}
.logo img{width:190px}
.nav{display:flex;align-items:center;gap:6px}
.nav > div, .nav > a{position:relative}
.nav a, .nav .dropdown-trigger{
  display:block;padding:10px 12px;border-radius:12px;font-weight:650;font-size:15px;color:#263b53;cursor:pointer;
  transition: .2s ease;
}
.nav a:hover, .nav a.active, .nav .dropdown-trigger:hover, .nav .dropdown.active .dropdown-trigger{
  background:#eef4fb;color:var(--blue)
}
.dropdown-menu{
  position:absolute;top:100%;left:0;width:220px;background:#fff;border:1px solid var(--line);
  border-radius:18px;box-shadow:var(--shadow);padding:8px;opacity:0;visibility:hidden;
  transform:translateY(10px);transition:.2s ease;z-index:100;
}
.dropdown:hover .dropdown-menu{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown-menu a{font-size:14px;padding:8px 12px;border-radius:10px}

.header-cta{display:flex;gap:10px;align-items:center}
.menu-btn{display:none;border:1px solid var(--line);background:#fff;border-radius:12px;padding:10px 12px;font-weight:700;color:var(--blue);cursor:pointer}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;padding:12px 20px;font-weight:800;border:1px solid transparent;
  transition:.2s ease;cursor:pointer;line-height:1.2;text-align:center
}
.btn-primary{background:var(--gold);color:#1c2a37}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(216,180,102,.32)}
.btn-dark{background:var(--blue);color:white}
.btn-dark:hover{background:var(--blue-2);transform:translateY(-2px)}
.btn-ghost{background:#fff;color:var(--blue);border-color:#d7e2ed}
.btn-ghost:hover{background:#eef4fb}
.btn-small{padding:9px 14px;font-size:14px}
.hero{position:relative;overflow:hidden;background:linear-gradient(135deg,#f8fbff 0,#eef5fb 55%,#fff 100%)}
.hero .container{display:grid;grid-template-columns:1.02fr .98fr;gap:44px;align-items:center;padding:78px 0}
.eyebrow{text-transform:uppercase;letter-spacing:.12em;color:var(--green);font-size:13px;font-weight:850;margin-bottom:12px}
 h1,h2,h3,h4{line-height:1.18;margin:0 0 16px;color:var(--blue)}
h1{font-size:clamp(38px,5.5vw,72px);letter-spacing:-.045em}
h2{font-size:clamp(30px,3.6vw,46px);letter-spacing:-.03em}
h3{font-size:23px}
p{margin:0 0 16px}
.lead{font-size:19px;color:#506274;max-width:680px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:28px 0 22px}
.trust-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:28px}
.trust-item{background:#fff;border:1px solid var(--line);border-radius:18px;padding:15px;box-shadow:0 12px 28px rgba(18,42,66,.06)}
.trust-item strong{display:block;color:var(--blue);font-size:22px}
.trust-item span{font-size:13px;color:var(--muted)}
.hero-card{position:relative}
.hero-card img{border-radius:34px;box-shadow:var(--shadow)}
.floating-card{
  position:absolute;left:-20px;bottom:32px;background:#fff;border:1px solid var(--line);
  border-radius:22px;padding:18px 20px;box-shadow:var(--shadow);max-width:260px
}
.floating-card strong{display:block;color:var(--blue);font-size:18px}
.floating-card span{color:var(--muted);font-size:14px}
.section{padding:74px 0}
.section-soft{background:var(--bg)}
.section-head{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:32px}
.section-head p{max-width:680px;color:var(--muted);margin:0}
.grid{display:grid;gap:22px}
.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{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:0 10px 30px rgba(18,42,66,.05);
  height:100%;
}
.card:hover{box-shadow:var(--shadow);transform:translateY(-2px);transition:.2s ease}
.product-card{overflow:hidden;padding:0}
.product-card img{width:100%;aspect-ratio:1.38;object-fit:cover;background:#eef4fb}
.product-card .body{padding:22px}
.tag{display:inline-flex;align-items:center;background:#eef5fb;color:#244866;border-radius:999px;padding:5px 10px;font-size:12px;font-weight:800;margin-bottom:12px}
.tag-gold{background:#fff6dd;color:#735b1e}
.list-check{list-style:none;margin:18px 0 0;padding:0}
.list-check li{position:relative;padding-left:28px;margin:10px 0;color:#43566c}
.list-check li:before{content:"✓";position:absolute;left:0;top:0;color:var(--green);font-weight:900}
.process{counter-reset:step}
.process .card{position:relative;padding-top:58px}
.process .card:before{
  counter-increment:step;content:counter(step);
  position:absolute;top:20px;left:22px;width:30px;height:30px;border-radius:50%;
  display:grid;place-items:center;background:var(--blue);color:#fff;font-weight:800
}
.banner{
  background:linear-gradient(135deg,var(--blue),#25567b);border-radius:34px;color:#fff;padding:44px;
  display:grid;grid-template-columns:1.4fr .6fr;gap:24px;align-items:center;box-shadow:var(--shadow)
}
.banner h2,.banner p{color:#fff}
.banner p{opacity:.86}
.footer{background:#0f2134;color:#d6e1ed;padding:56px 0 24px}
.footer h3,.footer h4{color:#fff}
.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr 1.1fr;gap:32px}
.footer a{display:block;color:#d6e1ed;margin:8px 0}
.footer a:hover{color:#fff}
.copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:32px;padding-top:20px;color:#9fb0c4;font-size:14px}
.page-hero{background:linear-gradient(135deg,#f8fbff,#eef5fb);padding:66px 0}
.page-hero .container{display:grid;grid-template-columns:1.2fr .8fr;gap:34px;align-items:center}
.breadcrumb{font-size:14px;color:#68788c;margin-bottom:14px}
.breadcrumb a{color:var(--blue);font-weight:700}
.filter-bar{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:22px;padding:16px;margin-top:-34px;position:relative;z-index:5}
.filter-bar input,.filter-bar select,.form input,.form select,.form textarea{
  width:100%;padding:13px 14px;border:1px solid #d9e3ef;border-radius:14px;font:inherit;color:var(--ink);background:#fff
}
.form textarea{min-height:130px;resize:vertical}
.form label{font-weight:750;color:var(--blue);font-size:14px;display:block;margin-bottom:6px}
.form .row{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.form .field{margin-bottom:16px}
.spec-table{width:100%;border-collapse:separate;border-spacing:0;background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden}
.spec-table th,.spec-table td{padding:15px 18px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.spec-table th{background:#f3f7fb;color:var(--blue);width:34%}
.spec-table tr:last-child th,.spec-table tr:last-child td{border-bottom:0}
.two-col{display:grid;grid-template-columns:.9fr 1.1fr;gap:34px;align-items:start}
.sticky-box{position:sticky;top:110px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px;margin-bottom:14px}
.faq-item h3{font-size:18px;margin-bottom:8px}
.blog-card .meta{color:var(--muted);font-size:14px;margin-bottom:10px}
.kicker-card{background:#fff;border-left:5px solid var(--gold);border-radius:18px;padding:22px;box-shadow:0 10px 30px rgba(18,42,66,.05)}
.product-tabs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:26px}
.product-tabs button{border:1px solid var(--line);background:#fff;border-radius:999px;padding:10px 14px;font-weight:800;color:var(--blue);cursor:pointer}
.product-tabs button.active{background:var(--blue);color:#fff}
.note{font-size:14px;color:var(--muted)}
.hidden{display:none !important}
@media (max-width: 980px){
  .menu-btn{display:inline-flex}
  .nav{
    display:none;position:absolute;left:4%;right:4%;top:82px;background:#fff;border:1px solid var(--line);
    border-radius:22px;padding:12px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch;
    max-height: calc(100vh - 100px); overflow-y: auto;
  }
  .nav.open{display:flex}
  .nav .dropdown-menu{
    position:static;width:100%;opacity:1;visibility:visible;transform:none;box-shadow:none;
    border:0;padding:0 0 0 15px;display:none;
  }
  .dropdown.active .dropdown-menu{display:block}
  .nav .dropdown-trigger:after{content:"▼";font-size:10px;margin-left:8px}
  .dropdown.active .dropdown-trigger:after{content:"▲"}
  .header-cta .btn{display:none}
  .hero .container,.page-hero .container,.two-col,.banner{grid-template-columns:1fr}
  .grid-4,.grid-3{grid-template-columns:repeat(2,1fr)}
  .filter-bar{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .floating-card{position:static;margin:-20px 20px 0}
}
@media (max-width: 640px){
  .topbar .container{display:none}
  .header-inner{padding:12px 0}
  .logo img{width:160px}
  .hero .container{padding:46px 0}
  .section{padding:52px 0}
  .section-head{display:block}
  .trust-row,.grid-4,.grid-3,.grid-2,.filter-bar,.form .row,.footer-grid{grid-template-columns:1fr}
  .hero-actions .btn,.banner .btn{width:100%}
  .banner{padding:28px;border-radius:24px}
  .page-hero{padding:44px 0}
  h1{font-size:38px}
}


/* Factory/photo rich sections */
.media-card{padding:0;overflow:hidden;background:#fff}
.media-card img{width:100%;aspect-ratio:1.45;object-fit:cover;background:#eef4fb;border-bottom:1px solid var(--line)}
.media-card .body{padding:20px 22px}
.media-card h3{margin-bottom:8px}
.photo-note{font-size:13px;color:var(--muted);margin-top:8px;border-top:1px dashed #d9e3ef;padding-top:10px}
.photo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.media-feature{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center}
.media-feature img{border-radius:28px;box-shadow:var(--shadow);border:1px solid var(--line);background:#eef4fb;width:100%}
.image-checklist{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:0 10px 30px rgba(18,42,66,.05)}
.image-checklist code{background:#eef4fb;padding:2px 6px;border-radius:6px;color:var(--blue);font-size:13px}
.table-wrap{overflow-x:auto;border-radius:20px;border:1px solid var(--line);background:#fff}
.table-wrap table{min-width:760px;border:0;border-radius:0}
.blog-card.media-card .meta{padding:0;margin-bottom:8px;color:var(--muted);font-size:14px}
@media (max-width: 980px){.photo-grid,.media-feature{grid-template-columns:1fr 1fr}}
@media (max-width: 640px){.photo-grid,.media-feature{grid-template-columns:1fr}.media-card img{aspect-ratio:1.25}}


/* Catalog downloads */
.catalog-card .catalog-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.catalog-card code{background:#eef4fb;color:var(--blue);border-radius:6px;padding:2px 6px;font-size:12px;word-break:break-all}
.catalog-grid .media-card img{aspect-ratio:1.33;object-fit:cover}
.spec-table thead th{background:#15314d;color:#fff}
@media (max-width:640px){.catalog-card .catalog-actions .btn{width:100%}}

/* Catalog detail layout */
.catalog-detail{display:grid;grid-template-columns:.45fr .55fr;gap:44px;align-items:start}
.catalog-preview{position:sticky;top:110px}
.catalog-cover-large{border-radius:28px;box-shadow:var(--shadow);border:1px solid var(--line);width:100%;background:#eef4fb}
.catalog-info .tag{margin-bottom:16px}
.catalog-info h2{margin-bottom:12px}
.catalog-info h3{font-size:20px;margin-top:24px}
@media (max-width:980px){.catalog-detail{grid-template-columns:1fr}.catalog-preview{position:static;max-width:420px;margin:0 auto}}

/* Download modal */
.modal-overlay{
  position:fixed;inset:0;z-index:9999;background:rgba(15,33,52,.55);backdrop-filter:blur(6px);
  display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transition:.25s ease
}
.modal-overlay.active{opacity:1;visibility:visible}
.modal-box{
  background:#fff;border-radius:28px;padding:38px 34px;max-width:440px;width:92%;
  box-shadow:0 24px 64px rgba(15,35,60,.18);position:relative;
  transform:translateY(20px);transition:.3s ease
}
.modal-overlay.active .modal-box{transform:translateY(0)}
.modal-box h2{font-size:26px;margin-bottom:8px}
.modal-box p{color:var(--muted);margin-bottom:20px}
.modal-close{
  position:absolute;top:16px;right:18px;background:none;border:none;
  font-size:28px;color:var(--muted);cursor:pointer;line-height:1;padding:4px
}
.modal-close:hover{color:var(--ink)}
.modal-note{font-size:13px;color:var(--muted);margin-top:14px;text-align:center}