:root{--dark:#0f172a;--darker:#020617;--red:#dc2626;--blue:#2563eb;--green:#16a34a;--light:#f8fafc;--muted:#64748b;--border:#e2e8f0;--white:#fff;--shadow:0 24px 70px rgba(15,23,42,.14)}
*{box-sizing:border-box}body{margin:0;font-family:Inter,Arial,sans-serif;background:var(--light);color:var(--dark)}a{text-decoration:none;color:inherit}img{max-width:100%;display:block}.container{width:min(1200px,calc(100% - 32px));margin:auto}.top-strip{background:var(--darker);color:#e2e8f0;font-size:14px}.strip-inner{min-height:40px;display:flex;justify-content:space-between;align-items:center;gap:14px}.strip-inner div{display:flex;gap:18px}.main-nav{background:rgba(255,255,255,.94);backdrop-filter:blur(16px);position:sticky;top:0;z-index:40;box-shadow:0 8px 28px rgba(15,23,42,.08)}.nav-inner{height:78px;display:flex;justify-content:space-between;align-items:center}.brand-logo{display:flex;align-items:center;gap:12px}.mark{width:48px;height:48px;display:grid;place-items:center;border-radius:16px;color:#fff;background:linear-gradient(135deg,var(--blue),var(--red));font-weight:1000}.brand-logo strong{display:block;font-size:20px}.brand-logo small{display:block;color:var(--muted)}.nav-links{display:flex;align-items:center;gap:24px;font-weight:900}.nav-button{background:var(--red);color:#fff;padding:12px 18px;border-radius:999px}.menu-toggle{display:none;background:var(--dark);color:#fff;border:0;padding:10px 14px;border-radius:12px;font-size:22px}.hero-image{position:relative;color:#fff;padding:86px 0;background:linear-gradient(110deg,rgba(2,6,23,.92),rgba(15,23,42,.78),rgba(127,29,29,.68)),url('../img/hero-hvac.svg');background-size:cover;background-position:center}.hero-layout{display:grid;grid-template-columns:1.25fr .85fr;gap:36px;align-items:center}.eyebrow{display:inline-flex;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);padding:8px 14px;border-radius:999px;font-weight:900}.hero h1{font-size:clamp(38px,6vw,74px);line-height:1;margin:18px 0}.hero h1 strong{color:#fecaca}.hero p{font-size:20px;color:#e2e8f0;max-width:680px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:14px;padding:13px 18px;background:var(--dark);color:#fff;font-weight:1000;cursor:pointer;transition:.2s}.btn:hover{transform:translateY(-2px)}.btn.primary{background:var(--red)}.btn.light{background:#fff;color:var(--dark)}.btn.outline{background:#fff;color:var(--red);border:1px solid #fecaca}.btn.small{padding:10px 13px;border-radius:12px;font-size:14px}.btn.full{width:100%}.trust-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}.trust-row div,.hero-offers{background:rgba(255,255,255,.11);border:1px solid rgba(255,255,255,.2);backdrop-filter:blur(16px);border-radius:22px}.trust-row div{padding:16px 18px}.trust-row strong{display:block;font-size:24px}.trust-row span{color:#cbd5e1}.hero-offers{padding:20px;box-shadow:var(--shadow)}.offer-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}.offer-head span{font-weight:1000}.offer-head a{color:#fecaca;font-weight:900}.mini-product{display:grid;grid-template-columns:70px 1fr auto;align-items:center;gap:12px;background:rgba(255,255,255,.12);border-radius:16px;padding:12px;margin-top:10px}.mini-product img{width:70px;height:55px;object-fit:contain;background:#fff;border-radius:12px}.mini-product strong{display:block}.mini-product span{color:#cbd5e1;font-size:13px}.mini-product b{color:#fecaca}.section{padding:70px 0}.white-section{background:#fff}.section-title{margin-bottom:28px}.section-title span{color:var(--red);font-weight:1000}.section-title h2{font-size:42px;margin:8px 0}.section-title p{color:var(--muted)}.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}.product-card{background:#fff;border:1px solid var(--border);border-radius:24px;overflow:hidden;box-shadow:0 12px 36px rgba(15,23,42,.07);transition:.2s}.product-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}.product-img{height:210px;background:linear-gradient(180deg,#fff,#e2e8f0);display:grid;place-items:center;position:relative}.product-img img{max-height:160px;object-fit:contain}.badge{position:absolute;top:14px;right:14px;background:var(--blue);color:#fff;border-radius:999px;padding:7px 10px;font-size:12px;font-weight:1000}.badge.sale{background:var(--red)}.product-info{padding:18px}.brand-name{color:var(--red);font-size:12px;font-weight:1000;text-transform:uppercase}.product-info h3{margin:8px 0;min-height:52px}.spec-pills{display:flex;gap:7px;flex-wrap:wrap}.spec-pills span{background:#f1f5f9;border-radius:999px;padding:6px 8px;color:#334155;font-size:12px}.price-line{margin:14px 0}.price-line strong{display:block;color:var(--red);font-size:26px}.price-line del{color:var(--muted)}.price-line small{color:var(--muted);font-weight:900}.card-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px}.dark-section{background:var(--darker);color:#fff}.benefit-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.benefit-grid div{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.1);border-radius:22px;padding:24px}.benefit-grid i{font-size:30px}.benefit-grid strong{display:block;margin:12px 0 8px}.benefit-grid span{color:#cbd5e1}.page-hero{background:linear-gradient(135deg,var(--dark),#1d4ed8);color:#fff;padding:64px 0}.page-hero h1{font-size:52px;margin:12px 0}.page-hero p{color:#dbeafe;max-width:780px}.shop-layout{display:grid;grid-template-columns:310px 1fr;gap:28px}.filter-panel,.content-panel,.service-card,.empty-state{background:#fff;border:1px solid var(--border);border-radius:24px;padding:24px;box-shadow:0 12px 36px rgba(15,23,42,.07)}.filter-panel{position:sticky;top:100px;height:max-content}.filter-panel form,.form-panel{display:grid;gap:13px}.filter-panel input,.filter-panel select,input,select,textarea{width:100%;border:1px solid var(--border);border-radius:13px;padding:12px;font:inherit;background:#fff}label{font-weight:900}.two-cols{display:grid;grid-template-columns:1fr 1fr;gap:10px}.check-list{display:grid;gap:8px}.check-list label{background:#f8fafc;border-radius:12px;padding:10px}.reset-link{text-align:center;color:var(--muted);font-weight:900}.results-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;gap:14px}.product-detail{display:grid;grid-template-columns:.95fr 1.05fr;gap:34px}.gallery,.product-summary{background:#fff;border:1px solid var(--border);border-radius:28px;padding:26px;box-shadow:var(--shadow)}.main-product-img{width:100%;height:430px;object-fit:contain;background:#f8fafc;border-radius:20px}.thumb-row{display:flex;gap:10px;margin-top:12px}.thumb-row img{width:80px;height:64px;object-fit:contain;background:#f1f5f9;border-radius:12px;cursor:pointer}.product-summary h1{font-size:48px;line-height:1.05;margin:10px 0}.model{color:var(--muted)}.price-big strong{display:block;font-size:46px;color:var(--red)}.price-big del{color:var(--muted);font-size:22px}.price-big span{color:var(--muted);font-weight:900}.quick-specs{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:24px 0}.quick-specs div{text-align:center;background:#f8fafc;border-radius:18px;padding:16px}.quick-specs strong{display:block;color:var(--red)}.quick-specs span{color:var(--muted);font-size:13px}.details-grid,.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.spec-table{width:100%;border-collapse:collapse}.spec-table td{padding:12px;border-bottom:1px solid var(--border)}.spec-table td:first-child{color:var(--muted);font-weight:900}.success{background:#dcfce7;color:#166534;padding:12px;border-radius:12px;font-weight:900}.site-footer{background:#020617;color:#fff;padding-top:52px}.footer-grid{display:grid;grid-template-columns:1.3fr .8fr .8fr;gap:28px}.site-footer p,.site-footer a{color:#cbd5e1}.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:32px;padding:18px;text-align:center;color:#94a3b8}.mobile-actions{position:fixed;right:18px;bottom:18px;display:grid;gap:10px;z-index:50}.mobile-actions a{background:var(--blue);color:#fff;padding:12px 16px;border-radius:999px;font-weight:1000;box-shadow:var(--shadow);text-align:center}.mobile-actions a:last-child{background:var(--green)}
@media(max-width:1050px){.hero-layout,.shop-layout,.product-detail,.details-grid,.contact-grid{grid-template-columns:1fr}.product-grid{grid-template-columns:repeat(2,1fr)}.benefit-grid,.service-grid{grid-template-columns:repeat(2,1fr)}.filter-panel{position:static}.nav-links{display:none;position:absolute;top:78px;left:0;right:0;background:#fff;padding:18px;flex-direction:column;align-items:stretch;border-top:1px solid var(--border)}.nav-links.open{display:flex}.menu-toggle{display:block}}@media(max-width:650px){.strip-inner{flex-direction:column;padding:8px 0}.hero-image{padding:55px 0}.mini-product{grid-template-columns:60px 1fr}.mini-product b{grid-column:2}.product-grid,.benefit-grid,.service-grid,.quick-specs,.footer-grid{grid-template-columns:1fr}.page-hero h1,.product-summary h1{font-size:36px}.price-big strong{font-size:34px}.results-top{display:block}.mobile-actions{left:12px;right:12px;grid-template-columns:1fr 1fr}.main-product-img{height:300px}}

.short-product-description{background:#f8fafc;border:1px solid var(--border);border-radius:18px;padding:16px;margin:18px 0;color:#334155;font-weight:700;line-height:1.55}
.install-status{display:inline-flex;padding:10px 14px;border-radius:999px;font-weight:1000;margin:0 0 16px}
.install-status.free{background:#dcfce7;color:#166534}
.install-status.paid{background:#fef3c7;color:#92400e}
.offer-mini b{white-space:nowrap}


/* V4: Hero ponude kao slider */
.hero-slider{
    position:relative;
    overflow:hidden;
    background:#020617;
}
.hero-slide{
    display:none;
    min-height:660px;
    padding:86px 0;
    color:#fff;
    background-size:cover;
    background-position:center;
    animation:heroFade .45s ease;
}
.hero-slide.active{display:block}
@keyframes heroFade{
    from{opacity:.65;transform:scale(1.01)}
    to{opacity:1;transform:scale(1)}
}
.hero-slider .hero-layout{
    display:grid;
    grid-template-columns:1.15fr .85fr;
    gap:46px;
    align-items:center;
}
.hero-slider .hero-copy h1{
    font-size:clamp(40px,6vw,78px);
    line-height:1;
    margin:18px 0;
    max-width:760px;
}
.hero-slider .hero-copy p{
    font-size:21px;
    color:#e2e8f0;
    max-width:760px;
}
.hero-price-text{
    display:inline-flex;
    margin-top:14px;
    padding:12px 18px;
    border-radius:999px;
    background:rgba(220,38,38,.94);
    color:#fff;
    font-size:30px;
    font-weight:1000;
    box-shadow:0 16px 40px rgba(220,38,38,.28);
}
.hero-visual-card{
    background:rgba(255,255,255,.11);
    border:1px solid rgba(255,255,255,.2);
    backdrop-filter:blur(16px);
    border-radius:30px;
    padding:22px;
    box-shadow:var(--shadow);
}
.hero-visual-card img{
    width:100%;
    height:280px;
    object-fit:cover;
    border-radius:22px;
    background:rgba(255,255,255,.9);
}
.hero-visual-card div{
    padding:18px 4px 4px;
}
.hero-visual-card span{
    color:#fecaca;
    font-weight:1000;
    text-transform:uppercase;
    font-size:13px;
}
.hero-visual-card strong{
    display:block;
    font-size:28px;
    line-height:1.1;
    margin:8px 0;
}
.hero-visual-card b{
    display:inline-flex;
    background:#fff;
    color:#dc2626;
    padding:8px 12px;
    border-radius:999px;
    font-size:22px;
}
.hero-slider-controls{
    position:absolute;
    left:50%;
    bottom:28px;
    transform:translateX(-50%);
    display:flex;
    align-items:center;
    gap:12px;
    z-index:5;
}
.hero-slider-controls button{
    width:42px;
    height:42px;
    border:1px solid rgba(255,255,255,.25);
    border-radius:999px;
    background:rgba(255,255,255,.13);
    color:#fff;
    font-size:28px;
    font-weight:900;
    cursor:pointer;
    backdrop-filter:blur(10px);
}
.hero-dots{
    display:flex;
    gap:8px;
}
.hero-dots button{
    width:12px;
    height:12px;
    padding:0;
    font-size:0;
    background:rgba(255,255,255,.38);
}
.hero-dots button.active{
    background:#dc2626;
    width:32px;
}
@media(max-width:1050px){
    .hero-slider .hero-layout{grid-template-columns:1fr}
    .hero-slide{min-height:auto;padding:58px 0 86px}
    .hero-visual-card img{height:220px}
}
@media(max-width:650px){
    .hero-slider .hero-copy h1{font-size:42px}
    .hero-slider .hero-copy p{font-size:18px}
    .hero-price-text{font-size:24px}
    .hero-visual-card strong{font-size:22px}
}


/* V5 HERO readability fix */
.hero-slide{
    position:relative;
}

.hero-slide::before{
    content:"";
    position:absolute;
    inset:0;
    background:linear-gradient(
        90deg,
        rgba(2,6,23,.88) 0%,
        rgba(2,6,23,.72) 45%,
        rgba(2,6,23,.45) 100%
    );
    z-index:0;
}

.hero-slide .container{
    position:relative;
    z-index:2;
}

.hero-slider .hero-copy h1{
    color:#ffffff !important;
    text-shadow:0 6px 30px rgba(0,0,0,.55);
}

.hero-slider .hero-copy p{
    color:#f8fafc !important;
    text-shadow:0 2px 12px rgba(0,0,0,.45);
}

.hero-price-text{
    background:#dc2626 !important;
    color:#ffffff !important;
    border:2px solid rgba(255,255,255,.15);
}

.hero-slider .eyebrow{
    display:inline-flex;
    align-items:center;
    gap:8px;
    background:#dc2626 !important;
    color:#ffffff !important;
    border:none !important;
    padding:12px 18px;
    border-radius:999px;
    font-weight:900;
    letter-spacing:.3px;
    box-shadow:0 10px 30px rgba(220,38,38,.35);
}

.hero-slider .eyebrow::before{
    content:"🔥";
    font-size:14px;
}

.hero-visual-card{
    background:rgba(15,23,42,.45) !important;
    border:1px solid rgba(255,255,255,.14) !important;
}

.hero-visual-card strong{
    color:#ffffff !important;
}

.hero-visual-card span{
    color:#fca5a5 !important;
}

.trust-row div{
    background:rgba(255,255,255,.10) !important;
    border:1px solid rgba(255,255,255,.14);
    color:#ffffff !important;
    backdrop-filter:blur(8px);
}

.trust-row div strong{
    color:#ffffff !important;
}

.trust-row div span{
    color:#e2e8f0 !important;
}



/* V7 Blog */
.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.blog-card{background:#fff;border:1px solid var(--border);border-radius:24px;overflow:hidden;box-shadow:0 12px 36px rgba(15,23,42,.07)}
.blog-img{height:210px;display:block;position:relative;background:#f8fafc}
.blog-img img{width:100%;height:100%;object-fit:cover}
.blog-img span{position:absolute;top:14px;left:14px;background:#dc2626;color:#fff;padding:8px 12px;border-radius:999px;font-weight:1000;font-size:12px}
.blog-body{padding:22px}
.blog-body h2{font-size:24px;margin:0 0 12px}
.blog-body p{color:var(--muted);line-height:1.6}
.blog-meta{display:flex;gap:14px;flex-wrap:wrap;color:var(--muted);font-size:14px;margin:14px 0}
.blog-meta.light{color:#e2e8f0}
.blog-article-hero{padding:90px 0;color:#fff;background-size:cover;background-position:center}
.blog-article-hero h1{font-size:clamp(40px,6vw,72px);line-height:1.02;max-width:900px}
.blog-article-hero p{font-size:20px;color:#e2e8f0;max-width:780px}
.article-layout{display:grid;grid-template-columns:1fr 330px;gap:32px;align-items:start}
.article-content{background:#fff;border:1px solid var(--border);border-radius:26px;padding:34px;box-shadow:0 12px 36px rgba(15,23,42,.07)}
.article-lead{font-size:22px;line-height:1.55;color:#334155;font-weight:800}
.article-text{font-size:18px;line-height:1.75;color:#1f2937}
.article-text h2{font-size:32px;margin-top:34px}
.article-text a{color:#dc2626;font-weight:900;text-decoration:underline}
.article-cta{margin-top:34px;padding:24px;border-radius:22px;background:#f8fafc;border:1px solid var(--border)}
.article-sidebar{display:grid;gap:18px;position:sticky;top:100px}
@media(max-width:1000px){.blog-grid,.article-layout{grid-template-columns:1fr}.article-sidebar{position:static}}


/* V8 Blog redesign */
.blog-list-hero{
    padding:82px 0;
    color:#fff;
    background:
        radial-gradient(circle at 85% 10%, rgba(220,38,38,.35), transparent 32%),
        linear-gradient(135deg,#020617 0%,#0f172a 54%,#7f1d1d 100%);
}
.blog-kicker{
    display:inline-flex;
    background:#dc2626;
    color:#fff;
    padding:10px 16px;
    border-radius:999px;
    font-weight:1000;
    margin-bottom:16px;
}
.blog-list-hero h1{
    font-size:clamp(38px,6vw,68px);
    line-height:1;
    margin:0 0 18px;
    max-width:820px;
}
.blog-list-hero p{
    color:#e2e8f0;
    font-size:20px;
    max-width:760px;
    line-height:1.55;
}
.blog-list-section{
    padding:70px 0;
    background:#f8fafc;
}
.blog-list-head{
    display:flex;
    justify-content:space-between;
    align-items:flex-end;
    gap:18px;
    margin-bottom:28px;
}
.blog-list-head span{
    color:#dc2626;
    font-weight:1000;
}
.blog-list-head h2{
    font-size:42px;
    margin:6px 0 0;
}
.blog-post-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:26px;
}
.blog-post-card{
    background:#fff;
    border:1px solid #e2e8f0;
    border-radius:28px;
    overflow:hidden;
    box-shadow:0 14px 45px rgba(15,23,42,.08);
    transition:.22s ease;
}
.blog-post-card:hover{
    transform:translateY(-6px);
    box-shadow:0 24px 70px rgba(15,23,42,.16);
}
.blog-post-image{
    height:235px;
    display:block;
    background:#e2e8f0;
    overflow:hidden;
}
.blog-post-image img{
    width:100%;
    height:100%;
    object-fit:cover;
    transition:.35s ease;
}
.blog-post-card:hover .blog-post-image img{
    transform:scale(1.06);
}
.blog-post-content{
    padding:24px;
}
.blog-post-meta{
    display:flex;
    justify-content:space-between;
    gap:10px;
    align-items:center;
    margin-bottom:14px;
}
.blog-post-meta span{
    background:#dc2626;
    color:#fff;
    padding:7px 11px;
    border-radius:999px;
    font-size:12px;
    font-weight:1000;
}
.blog-post-meta small{
    color:#64748b;
    font-weight:800;
}
.blog-post-content h2{
    font-size:24px;
    line-height:1.16;
    margin:0 0 12px;
}
.blog-post-content h2 a:hover{
    color:#dc2626;
}
.blog-post-content p{
    color:#64748b;
    line-height:1.65;
    margin:0 0 18px;
}
.blog-read-more{
    color:#dc2626;
    font-weight:1000;
}

/* Single blog */
.single-blog-hero{
    position:relative;
    min-height:520px;
    display:flex;
    align-items:center;
    overflow:hidden;
    color:#fff;
}
.single-blog-bg{
    position:absolute;
    inset:0;
    background-size:cover;
    background-position:center;
    transform:scale(1.04);
}
.single-blog-overlay{
    position:absolute;
    inset:0;
    background:
        linear-gradient(90deg,rgba(2,6,23,.94) 0%,rgba(15,23,42,.76) 48%,rgba(127,29,29,.58) 100%),
        radial-gradient(circle at 80% 20%,rgba(220,38,38,.34),transparent 30%);
}
.single-blog-hero-inner{
    position:relative;
    z-index:2;
    padding:78px 0;
}
.single-blog-labels{
    display:flex;
    gap:10px;
    flex-wrap:wrap;
    margin-bottom:18px;
}
.single-blog-labels span{
    background:#dc2626;
    color:#fff;
    padding:9px 14px;
    border-radius:999px;
    font-weight:1000;
    font-size:13px;
}
.single-blog-hero h1{
    font-size:clamp(40px,6.5vw,78px);
    line-height:1;
    margin:0 0 18px;
    max-width:950px;
    text-shadow:0 8px 35px rgba(0,0,0,.45);
}
.single-blog-hero p{
    color:#e2e8f0;
    font-size:22px;
    line-height:1.5;
    max-width:780px;
}
.single-blog-meta{
    display:flex;
    gap:14px;
    flex-wrap:wrap;
    color:#e2e8f0;
    font-weight:800;
    margin-top:20px;
}
.single-blog-meta span{
    background:rgba(255,255,255,.12);
    border:1px solid rgba(255,255,255,.16);
    padding:10px 13px;
    border-radius:999px;
}
.single-blog-section{
    padding:70px 0;
    background:#f8fafc;
}
.single-blog-layout{
    display:grid;
    grid-template-columns:minmax(0,1fr) 340px;
    gap:30px;
    align-items:start;
}
.single-blog-card{
    background:#fff;
    border:1px solid #e2e8f0;
    border-radius:30px;
    padding:38px;
    box-shadow:0 16px 55px rgba(15,23,42,.09);
}
.single-blog-lead{
    font-size:23px;
    line-height:1.55;
    font-weight:900;
    color:#334155;
    background:#f8fafc;
    border-left:6px solid #dc2626;
    padding:22px;
    border-radius:18px;
    margin-bottom:28px;
}
.single-blog-content{
    font-size:18px;
    line-height:1.85;
    color:#1f2937;
}
.single-blog-content h2{
    font-size:34px;
    line-height:1.15;
    margin:38px 0 14px;
    color:#0f172a;
}
.single-blog-content h3{
    font-size:26px;
    margin:30px 0 12px;
}
.single-blog-content p{
    margin:0 0 18px;
}
.single-blog-content ul,
.single-blog-content ol{
    padding-left:25px;
    margin:18px 0;
}
.single-blog-content li{
    margin-bottom:10px;
}
.single-blog-content a{
    color:#dc2626;
    font-weight:1000;
    text-decoration:underline;
}
.single-blog-content strong{
    color:#0f172a;
}
.single-blog-tags{
    display:flex;
    gap:10px;
    flex-wrap:wrap;
    margin-top:30px;
    padding-top:24px;
    border-top:1px solid #e2e8f0;
}
.single-blog-tags span{
    background:#fee2e2;
    color:#991b1b;
    padding:8px 12px;
    border-radius:999px;
    font-weight:900;
    font-size:13px;
}
.single-blog-cta{
    margin-top:34px;
    padding:28px;
    border-radius:26px;
    background:linear-gradient(135deg,#0f172a,#7f1d1d);
    color:#fff;
    display:flex;
    justify-content:space-between;
    gap:22px;
    align-items:center;
}
.single-blog-cta span{
    color:#fca5a5;
    font-weight:1000;
}
.single-blog-cta h3{
    margin:6px 0;
    font-size:28px;
}
.single-blog-cta p{
    color:#e2e8f0;
    margin:0;
}
.single-blog-cta-actions{
    display:flex;
    gap:10px;
    flex-wrap:wrap;
}
.single-blog-sidebar{
    display:grid;
    gap:18px;
    position:sticky;
    top:105px;
}
.single-side-card{
    background:#fff;
    border:1px solid #e2e8f0;
    border-radius:24px;
    padding:22px;
    box-shadow:0 12px 36px rgba(15,23,42,.07);
}
.single-side-card.contact{
    background:#0f172a;
    color:#fff;
}
.single-side-card h3{
    margin:0 0 10px;
    font-size:22px;
}
.single-side-card p{
    color:#64748b;
    line-height:1.6;
}
.single-side-card.contact p{
    color:#cbd5e1;
}
.single-side-card strong{
    display:block;
    margin:8px 0;
    font-size:20px;
}
.single-side-card a:not(.btn){
    color:#dc2626;
    font-weight:1000;
}
.single-side-card ul{
    margin:0;
    padding-left:18px;
    color:#334155;
}
.single-side-card li{
    margin-bottom:8px;
}
@media(max-width:1050px){
    .blog-post-grid{grid-template-columns:repeat(2,1fr)}
    .single-blog-layout{grid-template-columns:1fr}
    .single-blog-sidebar{position:static}
    .single-blog-cta{display:block}
    .single-blog-cta-actions{margin-top:18px}
}
@media(max-width:650px){
    .blog-list-head{display:block}
    .blog-post-grid{grid-template-columns:1fr}
    .blog-post-image{height:220px}
    .single-blog-card{padding:24px}
    .single-blog-hero{min-height:430px}
    .single-blog-hero h1{font-size:38px}
    .single-blog-hero p{font-size:18px}
}


/* V9 Manufacturer logo slider */
.brand-strip-section{
    position:relative;
    padding:38px 0 28px;
    background:#ffffff;
    border-bottom:1px solid #e2e8f0;
    overflow:hidden;
}
.brand-strip-header{
    display:flex;
    align-items:end;
    justify-content:space-between;
    gap:20px;
    margin-bottom:24px;
}
.brand-strip-header span{
    color:#dc2626;
    font-weight:1000;
    text-transform:uppercase;
    letter-spacing:.4px;
    font-size:13px;
}
.brand-strip-header h2{
    margin:6px 0 0;
    font-size:34px;
    color:#0f172a;
}
.brand-marquee{
    position:relative;
    overflow:hidden;
    mask-image:linear-gradient(to right, transparent, black 8%, black 92%, transparent);
    -webkit-mask-image:linear-gradient(to right, transparent, black 8%, black 92%, transparent);
}
.brand-track{
    display:flex;
    align-items:center;
    gap:22px;
    width:max-content;
    animation:brandScroll 38s linear infinite;
}
.brand-marquee:hover .brand-track{
    animation-play-state:paused;
}
.brand-item{
    min-width:220px;
    height:110px;
    display:flex;
    align-items:center;
    justify-content:center;
    background:#fff;
    border:1px solid #e2e8f0;
    border-radius:26px;
    padding:18px;
    box-shadow:0 10px 35px rgba(15,23,42,.06);
    transition:.22s ease;
}
.brand-item:hover{
    transform:translateY(-4px);
    border-color:#fecaca;
    box-shadow:0 16px 45px rgba(220,38,38,.12);
}
.brand-item img{
    max-width:100%;
    max-height:58px;
    object-fit:contain;
    filter:grayscale(100%);
    opacity:.86;
    transition:.25s ease;
}
.brand-item:hover img{
    filter:none;
    opacity:1;
    transform:scale(1.04);
}
.brand-item span{
    font-size:28px;
    font-weight:1000;
    color:#0f172a;
}
@keyframes brandScroll{
    from{transform:translateX(0)}
    to{transform:translateX(-50%)}
}
@media(max-width:700px){
    .brand-strip-header{
        display:block;
    }
    .brand-strip-header h2{
        font-size:28px;
    }
    .brand-item{
        min-width:170px;
        height:88px;
    }
    .brand-item img{
        max-height:44px;
    }
}


/* V10 features */
.calc-layout{display:grid;grid-template-columns:420px 1fr;gap:26px;align-items:start}
.calc-form{display:grid;gap:13px}
.recommendation-box span{color:#dc2626;font-weight:1000;text-transform:uppercase}
.recommendation-box h2{font-size:44px;margin:8px 0}
.small-grid{grid-template-columns:repeat(2,1fr);margin-top:22px}
.compare-checkbox{display:flex;align-items:center;gap:8px;margin:12px 0 0;font-weight:900;color:#334155;background:#f8fafc;border-radius:12px;padding:9px 10px}
.compare-checkbox input{width:auto}
.compare-bar{position:fixed;left:50%;bottom:22px;transform:translateX(-50%) translateY(120px);z-index:80;background:#0f172a;color:#fff;border-radius:999px;padding:12px 14px;display:flex;align-items:center;gap:12px;box-shadow:0 20px 60px rgba(15,23,42,.3);transition:.25s}
.compare-bar.show{transform:translateX(-50%) translateY(0)}
.compare-bar a{background:#dc2626;color:#fff;border-radius:999px;padding:9px 14px;font-weight:1000}
.compare-bar button{border:0;background:rgba(255,255,255,.14);color:#fff;border-radius:999px;padding:9px 12px;font-weight:900;cursor:pointer}
.compare-table-wrap{overflow:auto;background:#fff;border:1px solid #e2e8f0;border-radius:26px;box-shadow:0 14px 45px rgba(15,23,42,.08)}
.compare-table{width:100%;border-collapse:collapse;min-width:760px}
.compare-table th,.compare-table td{padding:16px;border-bottom:1px solid #e2e8f0;text-align:center}
.compare-table th:first-child,.compare-table td:first-child{text-align:left;font-weight:1000;color:#0f172a;background:#f8fafc}
.compare-table img{height:90px;object-fit:contain;margin:0 auto 10px}
.faq-list{display:grid;gap:12px}
.faq-item{background:#fff;border:1px solid #e2e8f0;border-radius:18px;padding:18px;box-shadow:0 8px 26px rgba(15,23,42,.05)}
.faq-item summary{font-weight:1000;cursor:pointer;font-size:18px}
.faq-item p{color:#64748b;line-height:1.65}
@media(max-width:900px){.calc-layout{grid-template-columns:1fr}.small-grid{grid-template-columns:1fr}.compare-bar{left:12px;right:12px;transform:translateY(120px);border-radius:18px;justify-content:space-between}.compare-bar.show{transform:translateY(0)}}


/* V11 FAQ in footer + info tabs on home */
.home-info-tabs{
    background:#fff;
    border:1px solid #e2e8f0;
    border-radius:30px;
    padding:20px;
    box-shadow:0 16px 55px rgba(15,23,42,.08);
}
.info-tab-buttons{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:10px;
    margin-bottom:18px;
}
.info-tab-buttons button{
    border:0;
    background:#f8fafc;
    color:#0f172a;
    padding:16px;
    border-radius:18px;
    font-weight:1000;
    cursor:pointer;
    transition:.2s;
}
.info-tab-buttons button.active,
.info-tab-buttons button:hover{
    background:#dc2626;
    color:#fff;
}
.info-tab-panel{
    display:none;
    padding:26px;
    border-radius:22px;
    background:linear-gradient(135deg,#f8fafc,#ffffff);
    border:1px solid #e2e8f0;
}
.info-tab-panel.active{
    display:block;
}
.info-tab-panel h3{
    font-size:30px;
    margin:0 0 12px;
}
.info-tab-panel p{
    color:#64748b;
    font-size:18px;
    line-height:1.65;
    max-width:850px;
}
.footer-faq{
    background:#0f172a;
    padding:48px 0;
    border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-faq-head{
    margin-bottom:22px;
}
.footer-faq-head span{
    color:#fca5a5;
    font-weight:1000;
}
.footer-faq-head h2{
    color:#fff;
    font-size:36px;
    margin:6px 0 0;
}
.footer-faq-grid{
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:14px;
}
.footer-faq-item{
    background:rgba(255,255,255,.06);
    border:1px solid rgba(255,255,255,.12);
    border-radius:18px;
    padding:16px 18px;
    color:#fff;
}
.footer-faq-item summary{
    font-weight:1000;
    cursor:pointer;
}
.footer-faq-item p{
    color:#cbd5e1;
    line-height:1.6;
    margin-bottom:0;
}
@media(max-width:800px){
    .info-tab-buttons{grid-template-columns:1fr 1fr}
    .footer-faq-grid{grid-template-columns:1fr}
}
@media(max-width:520px){
    .info-tab-buttons{grid-template-columns:1fr}
    .info-tab-panel{padding:20px}
    .info-tab-panel h3{font-size:24px}
}


/* V12 tabs identical compact section */
.home-info-tabs-section{
    padding-top:28px;
}

.home-info-tabs{
    background:transparent;
    border:0;
    box-shadow:none;
    padding:0;
}

.info-tab-buttons{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:14px;
    margin-bottom:18px;
}

.info-tab-buttons button{
    position:relative;
    overflow:hidden;
    border:1px solid #e2e8f0;
    background:linear-gradient(135deg,#ffffff,#f8fafc);
    border-radius:24px;
    min-height:115px;
    padding:22px;
    text-align:left;
    display:flex;
    flex-direction:column;
    justify-content:center;
    transition:.22s ease;
    box-shadow:0 10px 30px rgba(15,23,42,.06);
}

.info-tab-buttons button::before{
    content:'';
    position:absolute;
    inset:0;
    background:linear-gradient(135deg,rgba(220,38,38,.08),transparent 70%);
    opacity:0;
    transition:.22s ease;
}

.info-tab-buttons button:hover,
.info-tab-buttons button.active{
    transform:translateY(-4px);
    border-color:#fecaca;
    box-shadow:0 20px 50px rgba(220,38,38,.14);
}

.info-tab-buttons button:hover::before,
.info-tab-buttons button.active::before{
    opacity:1;
}

.info-tab-buttons button span{
    position:relative;
    z-index:2;
    display:block;
}

.info-tab-buttons button .mini{
    color:#dc2626;
    font-size:13px;
    font-weight:1000;
    text-transform:uppercase;
    letter-spacing:.4px;
    margin-bottom:8px;
}

.info-tab-buttons button .big{
    color:#0f172a;
    font-size:24px;
    line-height:1.1;
    font-weight:1000;
}

.info-tab-panel{
    border-radius:30px;
    padding:34px;
    background:
        radial-gradient(circle at top right, rgba(220,38,38,.10), transparent 24%),
        linear-gradient(135deg,#ffffff,#f8fafc);
    border:1px solid #e2e8f0;
    box-shadow:0 18px 55px rgba(15,23,42,.08);
}

.info-tab-panel h3{
    font-size:38px;
    line-height:1.05;
    margin:0 0 14px;
    color:#0f172a;
}

.info-tab-panel p{
    max-width:820px;
    font-size:18px;
    line-height:1.75;
}

@media(max-width:950px){
    .info-tab-buttons{
        grid-template-columns:repeat(2,1fr);
    }
}

@media(max-width:600px){
    .info-tab-buttons{
        grid-template-columns:1fr;
    }

    .info-tab-buttons button{
        min-height:90px;
        border-radius:20px;
    }

    .info-tab-panel{
        padding:24px;
        border-radius:24px;
    }

    .info-tab-panel h3{
        font-size:28px;
    }
}


/* V17 featured title red style */
.section-title span{
    color:#dc2626 !important;
    font-weight:1000;
    text-transform:uppercase;
    letter-spacing:.4px;
    font-size:13px;
}

.site-logo-img{
    max-width:54px;
    max-height:54px;
    object-fit:contain;
    border-radius:12px;
}


/* V21 logo only header */
.logo-only{
    display:flex;
    align-items:center;
    gap:0;
}

.logo-only .site-logo-img{
    max-width:74px;
    max-height:74px;
    object-fit:contain;
}

.logo-only .mark{
    width:58px;
    height:58px;
    border-radius:18px;
    display:flex;
    align-items:center;
    justify-content:center;
    font-weight:1000;
    color:#fff;
    background:linear-gradient(135deg,#2563eb,#dc2626);
}


/* V22 bigger optimized header logo */
.main-nav .nav-inner{
    min-height:96px;
    height:auto;
    padding-top:10px;
    padding-bottom:10px;
}

.logo-only .site-logo-img{
    width:auto !important;
    height:auto !important;
    max-width:220px !important;
    max-height:86px !important;
    object-fit:contain !important;
    border-radius:0 !important;
}

.logo-only .mark{
    width:86px !important;
    height:86px !important;
    font-size:28px !important;
}

@media(max-width:900px){
    .main-nav .nav-inner{
        min-height:82px;
    }

    .logo-only .site-logo-img{
        max-width:170px !important;
        max-height:70px !important;
    }

    .logo-only .mark{
        width:68px !important;
        height:68px !important;
        font-size:22px !important;
    }
}

@media(max-width:520px){
    .logo-only .site-logo-img{
        max-width:145px !important;
        max-height:62px !important;
    }

    .main-nav .nav-inner{
        min-height:76px;
        padding-top:7px;
        padding-bottom:7px;
    }
}