html,body{margin:0;padding:0;background:#ffffff;color:#14202e;font-family:'Manrope',system-ui,-apple-system,"Segoe UI",sans-serif;-webkit-font-smoothing:antialiased}
*{box-sizing:border-box}
a{color:#1f5fbf;text-decoration:none}
a:hover{color:#0f3a78;text-decoration:underline}
h1,h2,h3,h4,p{margin:0}
img{max-width:100%;display:block}
button{font-family:inherit}
input,select,textarea{font-family:inherit;font-size:15px}
.wrap{min-height:100vh;display:flex;flex-direction:column;background:#fff}

/* top bar */
.topbar{background:#0f2a4f;color:#cfdcef;font-size:13px}
.topbar-in{max-width:1240px;margin:0 auto;padding:8px 24px;display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between;align-items:center}
.topbar-in .group{display:flex;flex-wrap:wrap;gap:6px 20px}
.topbar a{color:#fff}
.topbar a.tel{font-weight:600}

/* header */
header.site{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid #e3e8ef}
.header-in{max-width:1240px;margin:0 auto;padding:14px 24px;display:flex;flex-wrap:wrap;gap:14px 28px;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none}
.logo:hover{text-decoration:none}
.logo-mark{width:34px;height:34px;border:2.5px solid #1f5fbf;border-radius:6px;display:grid;grid-template-columns:1fr 1fr;grid-template-rows:1fr 1fr;gap:2.5px;padding:2.5px;background:#fff}
.logo-mark span{border-radius:1px}
.logo-mark span.a{background:#d7e5f8}
.logo-mark span.b{background:#1f5fbf}
.logo-text{display:flex;flex-direction:column;line-height:1}
.logo-text b{font-size:22px;font-weight:800;letter-spacing:-0.02em;color:#14202e}
.logo-text small{font-size:11px;color:#5a6675;letter-spacing:.08em;text-transform:uppercase;margin-top:3px}
nav.mainnav{display:flex;flex-wrap:wrap;gap:4px;align-items:center}
nav.mainnav a{border:none;background:transparent;color:#2a3746;font-weight:600;font-size:15px;padding:9px 14px;border-radius:8px;text-decoration:none}
nav.mainnav a:hover{background:#f4f6f9;text-decoration:none}
nav.mainnav a.active{background:#eef4fc;color:#1f5fbf;font-weight:700}
nav.mainnav a.active:hover{background:#eef4fc}
.header-actions{display:flex;gap:10px;align-items:center}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;cursor:pointer;font-weight:700;border-radius:10px;text-decoration:none}
.btn:hover{text-decoration:none}
.btn-primary{background:#1f5fbf;color:#fff;font-size:14px;padding:11px 18px}
.btn-primary:hover{background:#174f9f;color:#fff}
.btn-outline{border:1px solid #d5dde8;background:#fff;color:#14202e;font-size:14px;padding:10px 14px}
.btn-outline:hover{border-color:#1f5fbf}
.cart-badge{min-width:22px;height:22px;border-radius:11px;background:#1f5fbf;color:#fff;font-size:12px;display:inline-grid;place-items:center;padding:0 6px}

/* generic */
main{flex:1}
.container{max-width:1240px;margin:0 auto;padding:0 24px}
.section{max-width:1240px;margin:0 auto;padding:56px 24px}
.pill{display:inline-block;background:#eef4fc;color:#1f5fbf;font-weight:700;font-size:13px;padding:7px 12px;border-radius:999px}
.eyebrow{color:#1f5fbf;font-weight:700;font-size:13px;letter-spacing:.1em;text-transform:uppercase;margin-bottom:10px}
.h1{font-size:clamp(34px,4.4vw,52px);letter-spacing:-0.03em;line-height:1.08}
.h2{font-size:clamp(28px,3.4vw,42px);letter-spacing:-0.02em;line-height:1.1}
.lead{font-size:18px;line-height:1.6;color:#4a5665}
.crumb{font-size:13px;color:#5a6675;margin-bottom:14px}
.card{border:1px solid #e3e8ef;border-radius:16px;background:#fff}
.grid{display:grid;gap:20px}
.grid-auto{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.grid-2{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,420px),1fr));gap:40px;align-items:center}
.imgph{position:relative;border-radius:18px;overflow:hidden;background:#eef1f5}
.imgph img{width:100%;height:100%;object-fit:cover;display:block}
.imgph figcaption{position:absolute;left:10px;bottom:8px;background:rgba(15,32,46,.55);color:#fff;font-size:11px;padding:3px 8px;border-radius:999px}

/* hero */
.hero{background:linear-gradient(180deg,#f4f7fb 0,#fff 100%);border-bottom:1px solid #eef1f5}
.hero-in{max-width:1240px;margin:0 auto;padding:64px 24px 72px;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,460px),1fr));gap:48px;align-items:center}
.hero h1{font-size:clamp(38px,5vw,60px);line-height:1.05;letter-spacing:-0.03em;font-weight:800}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px 28px;padding-top:8px;color:#4a5665;font-size:14px;font-weight:600}
.hero-gallery{position:relative;height:520px;display:grid;grid-template-columns:1.3fr 1fr;grid-template-rows:1fr 1fr;gap:14px}
.hero-gallery .big{grid-row:1/span 2}
.rating-card{position:absolute;left:-12px;bottom:28px;background:#fff;border:1px solid #e3e8ef;border-radius:14px;padding:16px 18px;box-shadow:0 12px 32px rgba(15,42,79,.12);display:flex;gap:14px;align-items:center}
.rating-card .num{font-size:30px;font-weight:800;color:#1f5fbf;letter-spacing:-0.02em}
.rating-card .txt{font-size:13px;line-height:1.4;color:#4a5665}

/* stats */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1px;background:#e3e8ef;border:1px solid #e3e8ef;border-radius:16px;overflow:hidden}
.stats div{background:#fff;padding:24px}
.stats .big{font-size:30px;font-weight:800;letter-spacing:-0.02em}
.stats .lbl{color:#5a6675;font-size:14px;margin-top:4px}

/* services */
.svc-card{border:1px solid #e3e8ef;border-radius:16px;overflow:hidden;background:#fff;display:flex;flex-direction:column;text-decoration:none;color:inherit}
.svc-card:hover{border-color:#9fbbe3;box-shadow:0 10px 30px rgba(15,42,79,.08);text-decoration:none}
.svc-card .ph{height:180px;position:relative}
.svc-card .body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.svc-card .num{font-family:'JetBrains Mono',ui-monospace,Consolas,monospace;font-size:12px;color:#1f5fbf}
.svc-card h3{font-size:20px;letter-spacing:-0.01em}
.svc-card p{color:#5a6675;font-size:15px;line-height:1.55;flex:1}
.svc-card .price{font-weight:700;font-size:15px;padding-top:6px;border-top:1px solid #eef1f5;color:#14202e}

/* dark banner */
.banner-dark{background:#0f2a4f;color:#fff}
.banner-dark .eyebrow{color:#8fb4ea}
.banner-dark p{color:#c4d3ea}
.banner-dark a{color:#fff}

/* steps */
.step{background:#f4f6f9;border-radius:16px;padding:26px;display:flex;flex-direction:column;gap:12px}
.step .n{width:40px;height:40px;border-radius:10px;background:#1f5fbf;color:#fff;font-weight:800;display:grid;place-items:center}
.step h3{font-size:19px}
.step p{color:#5a6675;font-size:15px;line-height:1.55}

/* guides */
.bg-soft{background:#f4f6f9}
.guide-card{background:#fff;border-radius:16px;overflow:hidden;border:1px solid #e3e8ef;text-decoration:none;color:inherit;display:block}
.guide-card:hover{border-color:#9fbbe3;text-decoration:none}
.guide-card .ph{height:160px;position:relative}
.guide-card .body{padding:22px;display:flex;flex-direction:column;gap:8px}
.guide-card .read{font-size:12px;color:#5a6675;font-weight:600}
.guide-card h3{font-size:19px}
.guide-card p{color:#5a6675;font-size:15px;line-height:1.55}
.guide-card .more{color:#1f5fbf;font-weight:700;font-size:14px;margin-top:6px}

/* products */
.prod-card{border:1px solid #e3e8ef;border-radius:16px;overflow:hidden;display:flex;flex-direction:column;background:#fff}
.prod-card .ph{height:190px;position:relative;background:#f4f6f9}
.prod-card .body{padding:18px;display:flex;flex-direction:column;gap:8px;flex:1}
.prod-card .cat{font-size:12px;color:#1f5fbf;font-weight:700;text-transform:uppercase;letter-spacing:.06em}
.prod-card h3{font-size:17px;line-height:1.3;flex:1}
.prod-card .row{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-top:6px}
.prod-card .price{font-size:19px;font-weight:800}
.badge{position:absolute;top:12px;left:12px;background:#0f2a4f;color:#fff;font-size:12px;font-weight:700;padding:5px 10px;border-radius:999px}
.sku{font-size:12px;color:#2f8a4f;font-weight:600}

/* reviews */
.review{background:#fff;border-radius:16px;padding:26px;display:flex;flex-direction:column;gap:16px;border:1px solid #e3e8ef}
.stars{color:#1f5fbf;font-size:16px;letter-spacing:2px}
.review p{font-size:16px;line-height:1.6;color:#2a3746;flex:1}

/* faq */
.faq-item{border-bottom:1px solid #e3e8ef}
.faq-q{width:100%;border:none;background:transparent;text-align:left;padding:20px 0;display:flex;justify-content:space-between;gap:16px;cursor:pointer;font-size:17px;font-weight:700;color:#14202e}
.faq-sign{color:#1f5fbf;font-size:22px;line-height:1}
.faq-a{color:#4a5665;font-size:15px;line-height:1.65;padding:0 0 20px;display:none}
.faq-item.open .faq-a{display:block}
.faq-item.open .faq-sign::before{content:"\2212"}
.faq-item:not(.open) .faq-sign::before{content:"+"}
.region-pill{background:#fff;border-radius:999px;padding:6px 12px;font-size:13px;font-weight:600;color:#2a3746}

/* price / calculator */
.price-row{display:flex;justify-content:space-between;gap:20px;padding:16px 22px;border-bottom:1px solid #eef1f5;font-size:15px}
.price-row b{font-weight:700}
.price-row .u{color:#5a6675;font-size:13px;margin-top:2px}
.price-row .p{font-weight:800;white-space:nowrap}
.calc-box{position:sticky;top:100px;background:#0f2a4f;color:#fff;border-radius:18px;padding:30px;display:flex;flex-direction:column;gap:20px}
.calc-opts{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.calc-opt{border:2px solid #3d5c88;background:transparent;color:#fff;font-weight:700;font-size:14px;padding:12px;border-radius:10px;cursor:pointer;text-align:left}
.calc-opt span{font-weight:500;font-size:12px;color:#c4d3ea}
.calc-opt.active{border-color:#fff;background:#fff;color:#0f2a4f}
.calc-opt.active span{color:#0f2a4f}
.calc-row{display:flex;justify-content:space-between;font-size:14px;color:#c4d3ea}
.calc-totals{border-top:1px solid #3d5c88;padding-top:18px;display:flex;flex-direction:column;gap:8px;font-size:15px}
.calc-totals .line{display:flex;justify-content:space-between}
.calc-totals .line span:first-child{color:#c4d3ea}
.calc-total{display:flex;justify-content:space-between;align-items:baseline;margin-top:8px}
.calc-total b{font-weight:700}
.calc-total .v{font-size:34px;font-weight:800;letter-spacing:-0.02em}
input[type=range]{width:100%;accent-color:#8fb4ea}

/* tabs (guides) */
.tabbar{display:flex;flex-wrap:wrap;gap:4px}
.tabbar a{border:none;border-bottom:3px solid transparent;background:transparent;color:#4a5665;font-weight:600;font-size:15px;padding:14px 18px;text-decoration:none}
.tabbar a:hover{text-decoration:none}
.tabbar a.active{border-bottom-color:#1f5fbf;background:#fff;color:#1f5fbf;font-weight:700;border-radius:10px 10px 0 0}

/* checklist */
.checklist-box{background:#eef4fc;border-radius:18px;padding:28px;display:flex;flex-direction:column;gap:16px}
.progress-track{height:8px;background:#fff;border-radius:4px;overflow:hidden}
.progress-fill{height:100%;background:#1f5fbf;transition:width .3s}
.check-item{display:flex;gap:12px;align-items:flex-start;background:#fff;border-radius:12px;padding:14px 16px;cursor:pointer;font-size:15px;line-height:1.5}
.check-item input{width:20px;height:20px;accent-color:#1f5fbf;margin-top:1px;flex-shrink:0}

/* energy calc */
.energy-box{background:#0f2a4f;color:#fff;border-radius:18px;padding:30px;display:flex;flex-direction:column;gap:20px}
.energy-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:1px;background:#3d5c88;border-radius:12px;overflow:hidden}
.energy-grid div{background:#16365f;padding:18px}
.energy-grid .lbl{font-size:13px;color:#c4d3ea}
.energy-grid .val{font-size:30px;font-weight:800;margin-top:4px}

/* problems */
.problem{border:1px solid #e3e8ef;border-radius:14px;padding:20px;display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px}
.problem .lbl{font-size:12px;color:#5a6675;font-weight:700;text-transform:uppercase;letter-spacing:.06em;margin-bottom:4px}
.who-tag{margin-top:8px;display:inline-block;font-size:12px;font-weight:700;padding:4px 10px;border-radius:999px;background:#eef4fc;color:#1f5fbf}

/* aside */
.aside-box{border:1px solid #e3e8ef;border-radius:16px;padding:24px;display:flex;flex-direction:column;gap:12px}
.aside-cta{background:#1f5fbf;color:#fff;border-radius:16px;padding:24px;display:flex;flex-direction:column;gap:12px}
.aside-cta p{color:#dbe7f8}

/* shop filters */
.chip{border:1px solid #c9d4e3;background:#fff;color:#2a3746;font-weight:600;font-size:14px;padding:9px 16px;border-radius:999px;cursor:pointer;text-decoration:none;display:inline-block}
.chip.active{border-color:#1f5fbf;background:#1f5fbf;color:#fff}
.chip:hover{text-decoration:none}

/* forms */
.form{display:flex;flex-direction:column;gap:14px}
.field{padding:13px;border:1px solid #d5dde8;border-radius:10px;width:100%}
.field-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:14px;line-height:1.5;color:#2a3746}
.consent input{width:18px;height:18px;accent-color:#1f5fbf;margin-top:2px;flex-shrink:0}
.pay-opt{display:flex;gap:10px;align-items:center;border:1px solid #d5dde8;border-radius:10px;padding:12px;font-size:14px;cursor:pointer}
.pay-opt input{accent-color:#1f5fbf}

/* cart */
.cart-line{display:flex;gap:16px;padding:16px;border-bottom:1px solid #eef1f5;align-items:center}
.cart-thumb{width:72px;height:72px;flex-shrink:0;position:relative;border-radius:10px;overflow:hidden;background:#f4f6f9}
.qty-box{display:flex;align-items:center;border:1px solid #d5dde8;border-radius:8px}
.qty-box button{border:none;background:transparent;width:32px;height:32px;cursor:pointer;font-size:16px}
.summary-box{position:sticky;top:100px;background:#f4f6f9;border-radius:16px;padding:24px;display:flex;flex-direction:column;gap:10px;font-size:15px}
.summary-box .line{display:flex;justify-content:space-between}
.summary-box .line span:first-child{color:#5a6675}
.empty-cart{border:1px dashed #c9d4e3;border-radius:18px;padding:48px;text-align:center;display:flex;flex-direction:column;gap:14px;align-items:center}
.ok-box{background:#eef4fc;border-radius:18px;padding:40px;display:flex;flex-direction:column;gap:12px;max-width:720px}
.ok-check{width:48px;height:48px;border-radius:24px;background:#1f5fbf;color:#fff;display:grid;place-items:center;font-size:24px;font-weight:800}

/* cta band */
.cta-band{background:#1f5fbf;color:#fff}
.cta-band-in{max-width:1240px;margin:0 auto;padding:44px 24px;display:flex;flex-wrap:wrap;gap:20px;justify-content:space-between;align-items:center}
.cta-band p{color:#dbe7f8;margin-top:6px;font-size:16px}
.cta-band .actions{display:flex;flex-wrap:wrap;gap:12px}
.btn-white{background:#fff;color:#1f5fbf;font-weight:800;font-size:15px;padding:14px 22px;border-radius:12px}
.btn-white:hover{color:#1f5fbf}
.btn-ghost{border:1px solid #7ea6e0;background:transparent;color:#fff;font-weight:700;font-size:15px;padding:14px 22px;border-radius:12px}
.btn-ghost:hover{color:#fff}

/* footer */
footer.site{background:#0f2a4f;color:#c4d3ea;font-size:14px}
.footer-in{max-width:1240px;margin:0 auto;padding:56px 24px 28px;display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:36px}
.footer-col{display:flex;flex-direction:column;gap:10px}
.footer-col .title{color:#fff;font-weight:700;margin-bottom:4px}
.footer-col a{color:#c4d3ea}
.footer-bottom{max-width:1240px;margin:0 auto;padding:20px 24px 32px;border-top:1px solid #23446f;display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;font-size:13px;color:#8fa6c8}
.footer-bottom a{color:#c4d3ea}

/* toast */
.toast{position:fixed;top:90px;right:24px;z-index:60;background:#14202e;color:#fff;padding:14px 18px;border-radius:12px;font-size:14px;font-weight:600;box-shadow:0 12px 32px rgba(0,0,0,.2);display:flex;gap:14px;align-items:center;transform:translateY(-10px);opacity:0;pointer-events:none;transition:all .25s}
.toast.show{transform:translateY(0);opacity:1;pointer-events:auto}
.toast a,.toast button{border:none;background:#1f5fbf;color:#fff;font-weight:700;font-size:13px;padding:8px 12px;border-radius:8px;cursor:pointer;text-decoration:none}

/* cookie banner */
.cookie{position:fixed;left:16px;right:16px;bottom:16px;z-index:70;max-width:760px;margin:0 auto;background:#fff;border:1px solid #e3e8ef;border-radius:16px;box-shadow:0 20px 50px rgba(15,42,79,.2);padding:22px;display:flex;flex-direction:column;gap:14px}
.cookie h3{font-size:17px}
.cookie p{font-size:14px;line-height:1.55;color:#4a5665}
.cookie-more{display:flex;flex-direction:column;gap:8px;background:#f4f6f9;border-radius:12px;padding:14px;font-size:14px}
.cookie-more label{display:flex;gap:10px;align-items:center}
.cookie-actions{display:flex;flex-wrap:wrap;gap:10px;justify-content:flex-end}
.btn-text{border:none;background:transparent;color:#1f5fbf;font-weight:700;font-size:14px;padding:11px 14px;cursor:pointer}

/* legal */
.legal-aside{position:sticky;top:100px;display:flex;flex-direction:column;gap:4px;border:1px solid #e3e8ef;border-radius:16px;padding:14px}
.legal-aside .title{font-size:12px;font-weight:700;color:#5a6675;text-transform:uppercase;letter-spacing:.08em;padding:8px 10px}
.legal-aside a{border:none;background:transparent;color:#2a3746;font-weight:600;font-size:14px;padding:10px;border-radius:8px;text-align:left;display:block;text-decoration:none}
.legal-aside a:hover{background:#f4f6f9;text-decoration:none}
.legal-aside a.active{background:#eef4fc;color:#1f5fbf;font-weight:700}
.legal-article{max-width:820px;display:flex;flex-direction:column;gap:26px}
.legal-article h2{font-size:21px}
.legal-article p{font-size:16px;line-height:1.75;color:#2a3746;white-space:pre-line}

@media (max-width:760px){
  .hero-gallery{height:auto;grid-template-columns:1fr 1fr;grid-template-rows:auto}
  .hero-gallery .big{grid-row:auto;height:220px}
  .hero-gallery > div:not(.big){height:140px}
  .rating-card{position:static;margin-top:10px}
}