/* ===========================================================
   CineVue Go — premium cinema-glasses store (dark / cyan)
   Mobile-first single column. Class names shared with JS.
   =========================================================== */
:root{
  --cyan:#19c9e6; --cyan2:#0bb0d6; --cyan-deep:#0a7f9e;
  --bg:#05080e; --wrap:#0a0e16; --card:#111826; --card2:#0d1320;
  --line:#1d2736; --line2:#273347;
  --txt:#eaf1fa; --mut:#92a0b5; --soft:#b9c4d4;
  --ok:#2fd37a; --warn:#ffcf5a; --danger:#ff5c6c;
  --cta-grad:linear-gradient(135deg,#1ad0ec,#0b96c7);
  --radius:14px;
}
*{box-sizing:border-box}
html,body{overflow-x:hidden;max-width:100%}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;background:var(--wrap);color:var(--txt);-webkit-font-smoothing:antialiased}
img{max-width:100%}
a{color:var(--cyan)}
.wrap{max-width:540px;margin:0 auto;background:var(--wrap);min-height:100vh}

/* top banner */
.top-banner{background:#000;overflow:hidden;white-space:nowrap;color:var(--cyan);font-size:12.5px;font-weight:700;letter-spacing:.5px;padding:8px 0;border-bottom:1px solid var(--line)}
.marquee{display:inline-block;white-space:nowrap;animation:scrollLeft 16s linear infinite}
@keyframes scrollLeft{0%{transform:translateX(100vw)}100%{transform:translateX(-100%)}}

/* header */
.mobile-header{display:flex;align-items:center;justify-content:space-between;padding:11px 16px;background:rgba(8,12,20,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:100}
.mobile-header.sticky{box-shadow:0 6px 22px rgba(0,0,0,.45)}
.mobile-logo{height:30px;width:auto}
.header-nav{display:flex;align-items:center;gap:10px}
.nav-btn{display:flex;align-items:center;gap:6px;font-size:14px;font-weight:700;background:none;border:1px solid var(--line2);border-radius:9px;padding:8px 11px;cursor:pointer;color:var(--txt);position:relative}
.nav-btn:hover{border-color:var(--cyan);color:var(--cyan)}
#cartCount{position:absolute;top:-7px;right:-7px;background:var(--cyan);color:#04121a;font-weight:800;border-radius:50%;font-size:11px;min-width:18px;height:18px;display:flex;align-items:center;justify-content:center;padding:0 4px}

/* urgency bar */
.urgency{background:linear-gradient(90deg,#0b1830,#0a2230);color:#dff6fb;font-size:13px;padding:9px 16px;display:flex;justify-content:space-between;gap:8px;align-items:center;border-bottom:1px solid var(--line)}
.urgency b{color:var(--cyan)}
#countdown{font-variant-numeric:tabular-nums;background:rgba(25,201,230,.16);color:var(--cyan);border-radius:6px;padding:2px 8px;font-weight:800}

/* gallery */
.product-gallery{padding:14px 14px 4px}
.gallery-main{position:relative;width:100%;border-radius:var(--radius);overflow:hidden;background:#05070c;border:1px solid var(--line)}
.gallery-main img{display:block;width:100%;aspect-ratio:1/1;object-fit:cover;transition:opacity .2s}
.badge-sale{position:absolute;top:12px;left:12px;background:var(--cyan);color:#04121a;font-weight:800;font-size:12.5px;padding:6px 11px;border-radius:9px;z-index:3;box-shadow:0 4px 14px rgba(25,201,230,.4)}
.badge-ca{position:absolute;top:12px;right:12px;background:rgba(8,12,20,.82);color:var(--cyan);font-weight:800;font-size:12px;padding:6px 11px;border-radius:9px;z-index:3;border:1px solid var(--line2)}
.arrow{position:absolute;top:50%;transform:translateY(-50%);width:38px;height:38px;border-radius:50%;border:1px solid var(--line2);background:rgba(8,12,20,.72);color:#fff;font-size:22px;cursor:pointer;z-index:5}
.arrow.left{left:8px}.arrow.right{right:8px}
.thumbs-wrapper{margin-top:10px}
.gallery-thumbs{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px}
.gallery-thumbs::-webkit-scrollbar{display:none}
.thumb{flex:0 0 20%;min-width:0;width:20%;height:auto;aspect-ratio:1;object-fit:cover;border-radius:9px;cursor:pointer;border:2px solid transparent;opacity:.72}
.thumb.active{border-color:var(--cyan);opacity:1}

/* product info */
.product-info{padding:14px 16px 2px}
.product-title{font-size:21px;font-weight:800;line-height:1.3;margin:0 0 8px;letter-spacing:-.2px}
.product-rating{display:flex;align-items:center;gap:8px;margin-bottom:8px;font-size:15px}
.stars{color:var(--cyan);letter-spacing:1px}
.reviews{color:var(--mut);font-size:13px}
.reviews b{color:var(--txt)}
.product-price{display:flex;align-items:baseline;gap:10px;margin:8px 0}
.old-price{text-decoration:line-through;color:#6f7c90;font-size:17px}
.new-price{font-size:30px;font-weight:800;color:#fff}
.save-pill{background:rgba(25,201,230,.14);color:var(--cyan);font-weight:800;font-size:12px;border-radius:20px;padding:4px 11px;border:1px solid rgba(25,201,230,.4)}
.product-meta{font-size:13px;color:var(--mut);display:flex;justify-content:space-between;margin-top:6px}
.live-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--ok);margin-right:5px;animation:blink 1.6s infinite}
@keyframes blink{50%{opacity:.35}}
.stock-line{margin-top:12px;font-size:13px;font-weight:700;color:var(--warn)}
.stock-bar{height:7px;background:#1a2130;border-radius:5px;margin-top:6px;overflow:hidden}
.stock-bar i{display:block;height:100%;width:22%;background:linear-gradient(90deg,var(--warn),#ff9a3d);border-radius:5px}

/* quick spec chips under price */
.spec-chips{display:flex;flex-wrap:wrap;gap:8px;padding:14px 16px 2px}
.spec-chips span{font-size:12.5px;font-weight:700;background:var(--card);border:1px solid var(--line2);border-radius:999px;padding:7px 12px;color:var(--soft)}
.spec-chips b{color:var(--cyan)}

/* option blocks */
.opt{padding:16px;margin-top:12px;border-top:1px solid var(--line)}
.opt h3{font-size:12.5px;font-weight:800;letter-spacing:.7px;margin:0 0 12px;color:var(--cyan);text-transform:uppercase}
.howto{display:flex;gap:8px;margin-top:8px}
.howto div{flex:1;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px 8px;text-align:center;font-size:12px;color:var(--soft)}
.howto b{display:block;font-size:20px;margin-bottom:4px}
.compat{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;margin-top:10px}
.compat span{font-size:11.5px;font-weight:700;background:var(--card);border:1px solid var(--line2);border-radius:7px;padding:6px 10px;color:var(--soft)}

/* bundles */
.bundle-grid{display:flex;flex-direction:column;gap:9px}
.bundle{position:relative;border:1.5px solid var(--line2);border-radius:12px;padding:13px 14px;display:flex;justify-content:space-between;align-items:center;cursor:pointer;background:var(--card);transition:.15s}
.bundle.active{border-color:var(--cyan);background:linear-gradient(180deg,rgba(25,201,230,.1),rgba(25,201,230,.03));box-shadow:0 6px 20px rgba(25,201,230,.14)}
.bundle .b-name{font-weight:800;font-size:14.5px}
.bundle .b-sub{font-size:12px;color:var(--mut);margin-top:2px}
.bundle .b-price{font-weight:800;color:#fff;white-space:nowrap;font-size:15px}
.bundle .b-tag{display:inline-block;font-size:11px;font-weight:800;background:var(--cyan);color:#04121a;border-radius:5px;padding:2px 7px;margin-left:6px}
.bundle .pop{position:absolute;top:-10px;left:14px;background:var(--cyan);color:#04121a;font-size:10.5px;font-weight:800;padding:2px 9px;border-radius:6px;letter-spacing:.4px}
.discount-hint{font-size:13.5px;font-weight:700;text-align:center;margin:12px 16px 0;background:var(--card);border:1px dashed var(--line2);border-radius:10px;padding:10px;color:var(--soft)}
.discount-hint.on{background:rgba(47,211,122,.1);border-color:var(--ok);color:var(--ok)}

/* buy */
.buy-section{padding:16px}
.buy-actions{display:flex;flex-direction:column;gap:9px}
.cart-btn{border:1.5px solid var(--line2);border-radius:12px;padding:15px;font-weight:800;width:100%;font-size:16px;cursor:pointer;transition:.15s}
.cart-btn.add{background:transparent;color:var(--txt)}
.cart-btn.add:hover{border-color:var(--cyan);color:var(--cyan)}
.cart-btn.buy{background:var(--cta-grad);border:none;color:#04121a;box-shadow:0 8px 24px rgba(25,201,230,.35)}
.cart-btn.buy:hover{filter:brightness(1.05)}
.trust-row{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;margin:12px 0 2px;font-size:12px;color:var(--mut)}
.pay-icons{display:flex;justify-content:center;gap:6px;margin:10px 0 4px;flex-wrap:wrap}
.pay-icons span{font-size:11px;font-weight:800;border:1px solid var(--line2);border-radius:5px;padding:3px 8px;color:var(--soft);background:var(--card)}

/* sticky bar */
.sticky-buy{position:fixed;bottom:0;left:50%;transform:translate(-50%,110%);width:100%;max-width:540px;background:rgba(10,14,22,.97);backdrop-filter:blur(10px);border-top:1px solid var(--line2);box-shadow:0 -6px 22px rgba(0,0,0,.5);padding:10px 14px;display:flex;align-items:center;gap:10px;z-index:900;transition:transform .3s}
.sticky-buy.show{transform:translate(-50%,0)}
.sticky-buy img{width:50px;height:50px;object-fit:cover;border-radius:9px;border:1px solid var(--line2)}
.sticky-buy .sb-info{flex:1;min-width:0}
.sticky-buy .sb-price{font-weight:800;color:#fff;font-size:15px}
.sticky-buy .sb-old{text-decoration:line-through;color:#6f7c90;font-size:12px;margin-left:6px}
.sticky-buy .sb-stars{font-size:11px;color:var(--cyan)}
.sticky-buy button{background:var(--cta-grad);border:none;color:#04121a;font-weight:800;border-radius:10px;padding:13px 20px;cursor:pointer;white-space:nowrap}

/* hero copy band */
.hero-band{padding:22px 16px 6px;text-align:center}
.hero-band h2{font-size:23px;line-height:1.25;margin:0 0 8px;letter-spacing:-.3px}
.hero-band h2 .cy{color:var(--cyan)}
.hero-band p{font-size:14px;color:var(--soft);margin:0;line-height:1.55}

/* video */
.video-block{background:linear-gradient(170deg,#0a1420,#07141c);color:#fff;padding:24px 16px;margin-top:14px;text-align:center;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.video-block h2{margin:0 0 4px;font-size:20px}
.video-block p{font-size:13px;color:var(--mut);margin:0 0 14px}
.video-block video{width:100%;border-radius:var(--radius);background:#000;box-shadow:0 12px 40px rgba(0,0,0,.6);border:1px solid var(--line2)}

/* feature rows (image + copy) */
.feature{display:flex;flex-direction:column;gap:0;margin-top:14px}
.feature .f-img{width:100%;aspect-ratio:16/10;object-fit:cover;border-bottom:1px solid var(--line)}
.feature .f-body{padding:18px 16px}
.feature .f-kicker{font-size:11.5px;font-weight:800;letter-spacing:.8px;color:var(--cyan);text-transform:uppercase}
.feature .f-title{font-size:19px;font-weight:800;margin:6px 0 8px;letter-spacing:-.2px}
.feature .f-text{font-size:13.5px;color:var(--soft);line-height:1.6;margin:0}
.feature .f-text b{color:var(--txt)}

/* benefits grid */
.benefits{padding:20px 16px}
.benefits h2,.compare h2,.faq-sec h2,.reviews-summary h2,.specs-sec h2{text-align:center;font-size:20px;margin:0 0 16px;color:#fff}
.ben-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.ben{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 12px;text-align:center}
.ben .ic{font-size:24px}
.ben b{display:block;font-size:13.5px;margin:8px 0 3px;color:#fff}
.ben span{font-size:12px;color:var(--mut)}

/* specs */
.specs-sec{padding:20px 16px}
.spec-table{width:100%;border-collapse:collapse;font-size:13.5px;background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.spec-table td{padding:12px 14px;border-bottom:1px solid var(--line)}
.spec-table tr:last-child td{border-bottom:none}
.spec-table td:first-child{color:var(--mut);width:44%}
.spec-table td:last-child{font-weight:700;color:var(--txt)}

/* honest note */
.honest{background:var(--card);border:1px dashed var(--line2);border-radius:12px;padding:14px;font-size:12.5px;line-height:1.6;color:var(--soft);margin:14px 16px 0}
.honest b{color:var(--cyan)}

/* compare */
.compare{padding:20px 16px}
.cmp{width:100%;border-collapse:collapse;font-size:13px;background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.cmp th,.cmp td{padding:11px 6px;border-bottom:1px solid var(--line);text-align:center}
.cmp th:first-child,.cmp td:first-child{text-align:left;padding-left:12px;color:var(--soft)}
.cmp thead th{background:#0c1420;color:var(--mut);font-size:12px;font-weight:700}
.cmp thead th.hot{background:var(--cta-grad);color:#04121a}
.cmp td.yes{color:var(--ok);font-weight:800}.cmp td.no{color:#5a6678}

/* shipping block (DHL) */
.ship-block{padding:20px 16px}
.ship-block h2{text-align:center;font-size:20px;margin:0 0 14px;color:#fff}
.ship-card{display:flex;gap:12px;align-items:flex-start;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px;margin-bottom:10px}
.ship-card .dhl{flex:0 0 auto;font-weight:900;font-size:13px;letter-spacing:.5px;background:#ffcc00;color:#d40511;border-radius:6px;padding:6px 9px;line-height:1;align-self:center}
.ship-card .s-body b{font-size:14px}
.ship-card .s-body span{display:block;font-size:12.5px;color:var(--mut);margin-top:3px;line-height:1.5}

/* guarantee */
.guarantee{background:linear-gradient(135deg,#0a1a24,#0a2634);color:#fff;padding:24px 16px;margin-top:14px;text-align:center;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.guarantee .seal{font-size:44px}
.guarantee h2{margin:8px 0;font-size:20px}
.guarantee p{font-size:13px;color:var(--soft);line-height:1.55;margin:0 0 12px}
.guarantee ul{list-style:none;padding:0;margin:0;font-size:13.5px;text-align:left;display:inline-block}
.guarantee li{margin:6px 0}

/* reviews */
.reviews-summary{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px 16px;margin:14px;text-align:center}
.score-number{font-size:46px;font-weight:800;color:#fff}
.score-stars{color:var(--cyan);font-size:22px}
.stars-row{display:flex;align-items:center;gap:8px;font-size:13px;margin:5px 0;color:var(--mut)}
.bar{flex:1;height:8px;background:#1a2130;border-radius:5px;overflow:hidden}
.fill{height:100%;background:linear-gradient(90deg,var(--cyan),var(--cyan2))}
.reviews-grid{padding:4px 14px 18px}
.reviews-grid h3{text-align:center;font-size:16px;color:var(--txt);margin:6px 0 14px}
#reviewsGrid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.review-card{border:1px solid var(--line);background:var(--card);border-radius:12px;padding:12px;font-size:12px}
.avatar{width:42px;height:42px;border-radius:50%;background:var(--cta-grad);color:#04121a;font-weight:800;font-size:16px;display:flex;align-items:center;justify-content:center;margin-bottom:7px}
.review-stars{color:var(--cyan);font-size:13px}
.review-name{font-weight:800;margin:3px 0 0;color:#fff}
.review-city{color:var(--mut);font-size:11px}
.verified-user{color:var(--ok);font-size:11px;margin:3px 0}
.review-text{line-height:1.45;margin-top:5px;color:var(--soft)}
.show-more-btn{display:block;margin:16px auto 0;padding:11px 22px;font-weight:700;color:var(--cyan);background:transparent;border:1px solid var(--line2);border-radius:9px;cursor:pointer}

/* faq */
.faq-sec{padding:20px 16px}
.faq-item{border:1px solid var(--line);border-radius:10px;margin-bottom:9px;overflow:hidden;background:var(--card)}
.faq-q{width:100%;background:none;border:none;text-align:left;font-weight:700;font-size:14px;padding:14px 13px;cursor:pointer;display:flex;justify-content:space-between;gap:10px;color:var(--txt)}
.faq-q span{color:var(--cyan);font-weight:800}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s;font-size:13px;color:var(--soft)}
.faq-a p{padding:0 13px 14px;margin:0;line-height:1.55}
.faq-item.open .faq-a{max-height:320px}

/* cart modal */
.cart-modal{position:fixed;inset:0;display:none;justify-content:center;align-items:flex-end;z-index:1000}
.cart-modal.active{display:flex}
.cart-overlay{position:absolute;inset:0;background:rgba(0,0,0,.6)}
.cart-content{position:relative;width:100%;max-width:540px;max-height:86%;background:var(--wrap);border:1px solid var(--line2);border-radius:18px 18px 0 0;padding:20px;transform:translateY(100%);transition:transform .3s;overflow-y:auto}
.cart-modal.active .cart-content{transform:translateY(0)}
.cart-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}
.cart-header h3{margin:0;color:#fff}
.close-cart{background:none;border:none;font-size:30px;cursor:pointer;color:var(--mut);line-height:1}
.cart-item{border-bottom:1px solid var(--line);padding:12px 0;font-size:14px}
.cart-item-header{display:flex;justify-content:space-between;align-items:center;color:#fff}
.remove-item{background:none;border:none;font-size:17px;cursor:pointer}
.qty-control{display:flex;align-items:center;gap:12px;margin:7px 0;color:var(--txt)}
.qty-control button{width:30px;height:30px;border:1px solid var(--line2);border-radius:7px;background:var(--card);color:var(--txt);cursor:pointer;font-size:18px}
.cart-summary{padding-top:12px;font-size:15px;color:var(--txt)}
.checkout-btn{display:block;margin-top:12px;background:var(--cta-grad);color:#04121a;text-align:center;padding:16px;border-radius:11px;text-decoration:none;font-weight:800;font-size:17px}
.secure-note{text-align:center;font-size:12px;color:var(--mut);margin:10px 0 0}

/* toast */
.toast{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%) scale(.9);background:rgba(10,16,26,.96);border:1px solid var(--line2);color:#fff;padding:16px 24px;border-radius:12px;font-size:16px;font-weight:700;opacity:0;transition:.25s;z-index:2000;max-width:88%;text-align:center}
.toast.show{opacity:1;transform:translate(-50%,-50%) scale(1)}

/* footer */
.site-footer{background:#04070c;padding:24px 16px 92px;color:#fff;border-top:1px solid var(--line)}
.footer-section{border-bottom:1px solid var(--line);margin-bottom:10px;padding-bottom:8px}
.footer-toggle{width:100%;display:flex;justify-content:space-between;align-items:center;background:var(--card);color:#fff;border:1px solid var(--line2);border-radius:9px;font-size:14px;font-weight:700;padding:12px 14px;cursor:pointer}
.footer-links{list-style:none;margin:0;padding:0;max-height:0;overflow:hidden;transition:max-height .3s}
.footer-links a{display:block;padding:10px 6px;color:var(--mut);font-size:13px;text-decoration:none}
.footer-section.open .footer-links{max-height:340px}
.footer-contact{font-size:12px;color:var(--mut);line-height:1.7;margin-top:12px}
.footer-copy{text-align:center;font-size:11.5px;color:#5a6678;margin-top:16px;border-top:1px solid var(--line);padding-top:14px;line-height:1.6}

/* checkout */
.checkout-page{max-width:520px;margin:0 auto;padding:16px}
.co-steps{display:flex;gap:6px;margin-bottom:14px;font-size:11.5px;color:var(--mut);justify-content:center}
.co-steps b{color:var(--cyan)}
.checkout-container{background:var(--wrap);padding:20px;border-radius:var(--radius);border:1px solid var(--line)}
.checkout-container h2{text-align:center;font-size:22px;margin:0 0 4px;color:#fff}
.co-sub{text-align:center;color:var(--mut);font-size:12.5px;margin:0 0 18px}
.co-legend{font-size:12px;font-weight:800;letter-spacing:.6px;text-transform:uppercase;color:var(--cyan);margin:18px 0 10px;display:flex;align-items:center;gap:8px}
.co-legend .n{width:20px;height:20px;border-radius:50%;background:var(--cta-grad);color:#04121a;font-size:12px;display:flex;align-items:center;justify-content:center;font-weight:800}
.checkout-container label{display:block;margin-bottom:5px;font-size:12.5px;font-weight:700;color:var(--soft)}
.checkout-container input,.checkout-container select{width:100%;padding:13px;margin-bottom:4px;border-radius:10px;border:1px solid var(--line2);font-size:16px;background:#0b1018;color:var(--txt)}
.checkout-container input::placeholder{color:#5c6a7e}
.checkout-container input:focus,.checkout-container select:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(25,201,230,.18)}
.checkout-container input.invalid{border-color:var(--danger)}
.error-message{display:block;color:var(--danger);font-size:12px;min-height:15px;margin-bottom:6px}
.form-row{display:flex;gap:10px}.form-row>div{flex:1}

/* shipping method radios */
.ship-opts{display:flex;flex-direction:column;gap:9px;margin-bottom:6px}
.ship-opt{display:flex;align-items:center;gap:11px;border:1.5px solid var(--line2);border-radius:11px;padding:12px 13px;cursor:pointer;background:#0b1018}
.ship-opt.active{border-color:var(--cyan);background:linear-gradient(180deg,rgba(25,201,230,.08),rgba(25,201,230,.02))}
.ship-opt .dhl{font-weight:900;font-size:12px;background:#ffcc00;color:#d40511;border-radius:5px;padding:5px 7px;line-height:1}
.ship-opt .so-body{flex:1}
.ship-opt .so-body b{font-size:13.5px;color:#fff}
.ship-opt .so-body span{display:block;font-size:12px;color:var(--mut);margin-top:2px}
.ship-opt .so-price{font-weight:800;color:var(--cyan);font-size:13.5px}
.ship-opt input{width:auto;margin:0}

/* card entry */
.card-box{background:#0b1018;border:1px solid var(--line2);border-radius:12px;padding:14px;margin-top:4px}
.card-box .cb-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}
.card-box .cb-head span{font-size:12px;color:var(--mut)}
.card-brands{display:flex;gap:5px}
.card-brands i{font-style:normal;font-size:10px;font-weight:800;background:var(--card);border:1px solid var(--line2);border-radius:4px;padding:3px 6px;color:var(--soft)}

.checkout-order-box{border:1px solid var(--line2);background:var(--card);padding:18px;border-radius:12px;margin-top:16px}
.checkout-order-box h3{margin:0 0 10px;font-size:15px;color:#fff}
.checkout-item{display:flex;justify-content:space-between;gap:8px;padding:12px 0;border-bottom:1px solid var(--line);font-size:13px;color:var(--soft)}
.sum-row{display:flex;justify-content:space-between;font-size:13.5px;padding:7px 0;color:var(--soft)}
.sum-row.total{font-size:18px;font-weight:800;color:#fff;border-top:1px solid var(--line2);margin-top:6px;padding-top:12px}
.sum-row .ok{color:var(--ok);font-weight:700}
.express-note{background:rgba(47,211,122,.1);border:1px solid var(--ok);color:var(--ok);border-radius:9px;padding:9px;font-size:12px;margin-top:10px;text-align:center;display:none}
.place-order-btn{background:var(--cta-grad);color:#04121a;width:100%;padding:17px;font-size:17px;font-weight:800;border-radius:12px;border:none;cursor:pointer;margin-top:16px;box-shadow:0 8px 24px rgba(25,201,230,.3)}
.co-trust{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;margin-top:12px;font-size:11.5px;color:var(--mut)}
.checkout-privacy{margin-top:12px;font-size:11.5px;color:var(--mut);line-height:1.5;text-align:center}
.demo-note{background:rgba(255,207,90,.1);border:1px dashed var(--warn);border-radius:9px;padding:10px;font-size:12px;color:var(--warn);margin-top:12px;text-align:center;display:none}

/* static pages */
.page-content{padding:24px 18px 44px;max-width:640px;margin:0 auto;line-height:1.7;font-size:14px;color:var(--soft)}
.page-title{font-size:23px;text-align:center;margin-bottom:18px;color:#fff}
.page-content h2{font-size:17px;margin-top:24px;color:#fff}
.page-content a{color:var(--cyan)}

/* thank you */
.thank-you{display:flex;justify-content:center;padding:44px 18px}
.thank-you-box{background:var(--wrap);border:1px solid var(--line2);border-radius:18px;padding:34px 24px;max-width:440px;text-align:center}
.thank-you-box h1{color:#fff}
.btn-home{display:inline-block;margin-top:16px;background:var(--cta-grad);color:#04121a;padding:12px 24px;border-radius:10px;text-decoration:none;font-weight:800}
.order-num{background:var(--card);border:1px solid var(--line2);border-radius:9px;padding:12px;font-weight:800;color:var(--cyan);margin:14px 0}

.scroll-top-btn{position:fixed;bottom:80px;right:14px;width:44px;height:44px;border-radius:50%;background:var(--card);border:1px solid var(--line2);color:var(--cyan);font-size:20px;cursor:pointer;opacity:0;pointer-events:none;transition:.3s;z-index:800}
.scroll-top-btn.show{opacity:1;pointer-events:all}
.shake{animation:shake .4s}
@keyframes shake{0%,100%{transform:translateX(0)}25%{transform:translateX(-6px)}75%{transform:translateX(6px)}}

/* tablet: wider centered column, seamless background */
@media(min-width:768px) and (max-width:959px){.wrap{max-width:680px}.mobile-logo{height:34px}}

/* ===========================================================
   DESKTOP (>= 960px) — full-bleed sections, 1320px content
   =========================================================== */
@media (min-width:960px){
  .wrap{max-width:none;--cw:1320px;--gx:max(48px,calc((100% - var(--cw))/2))}
  .top-banner{font-size:13px}
  .mobile-header{padding:14px var(--gx)}
  .mobile-logo{height:38px}
  .nav-btn{font-size:15px;padding:10px 14px}
  .urgency{padding:10px var(--gx);justify-content:center;gap:48px;font-size:14px}

  /* product page: two columns, soft cyan glow behind the product */
  .pdp{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:48px;padding:44px var(--gx) 20px;align-items:start;background:radial-gradient(900px 620px at 24% 30%,rgba(25,201,230,.10),transparent 62%)}
  .pdp-left{position:sticky;top:84px}
  .pdp-right{display:flex;flex-direction:column}
  .product-gallery{padding:0}
  .gallery-thumbs{flex-wrap:wrap;overflow:visible}
  .thumb{flex-basis:calc((100% - 32px)/5);width:calc((100% - 32px)/5)}
  .product-info{padding:0 0 4px}
  .product-title{font-size:30px;line-height:1.2}
  .new-price{font-size:40px}
  .old-price{font-size:20px}
  .spec-chips{padding:12px 0 4px}
  .pdp-right .product-info,.pdp-right .spec-chips{order:0}
  .pdp-right .opt{padding:18px 0;margin-top:8px}
  .pdp-right .opt-pack{order:1}
  .pdp-right .discount-hint{order:2;margin:12px 0 0}
  .pdp-right .buy-section{order:3;padding:16px 0 6px}
  .pdp-right .opt-box{order:4}
  .pdp-right .opt-how{order:5}
  .buy-actions{flex-direction:row}
  .buy-actions .cart-btn{font-size:17px;padding:17px}
  .howto div{font-size:13px}

  .hero-band{padding:64px var(--gx) 28px}
  .hero-band h2{font-size:44px;line-height:1.12}
  .hero-band p{font-size:17px;max-width:780px;margin:0 auto}

  .video-block{padding:48px var(--gx)}
  .video-block h2{font-size:26px}
  .video-block video{max-width:1000px;display:block;margin:0 auto}

  .feature{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:48px;padding:0 var(--gx);margin-top:56px}
  .feature .f-img{border-radius:16px;border:1px solid var(--line);aspect-ratio:16/10}
  .feature.flip .f-img{order:2}
  .feature .f-body{padding:0}
  .feature .f-title{font-size:30px}
  .feature .f-text{font-size:16px}

  .benefits{padding:64px var(--gx) 24px}
  .benefits h2,.compare h2,.faq-sec h2,.reviews-summary h2,.specs-sec h2,.ship-block h2,.guarantee h2{font-size:28px}
  .ben-grid{grid-template-columns:repeat(6,1fr);gap:12px}
  .ben{padding:18px 12px}
  .ben .ic{font-size:28px}

  .two-col{display:grid;grid-template-columns:1fr 1fr;gap:36px;padding:0 var(--gx);align-items:start}
  .specs-sec,.compare{padding:24px 0}
  .honest{margin:20px var(--gx) 0;font-size:14px;text-align:center}

  .ship-block{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;padding:48px var(--gx)}
  .ship-block h2{grid-column:1/-1}
  .ship-card{margin-bottom:0}

  .guarantee{padding:64px var(--gx)}
  .guarantee p{font-size:15px;max-width:640px;margin:0 auto 14px}
  .guarantee ul{display:flex;gap:28px;justify-content:center}

  .reviews-summary{max-width:560px;margin:36px auto 8px}
  .reviews-grid{padding:10px var(--gx) 36px}
  .reviews-grid h3{font-size:20px}
  #reviewsGrid{grid-template-columns:repeat(4,1fr);gap:14px}
  .review-card{font-size:13px;padding:16px}

  .faq-sec{padding:36px var(--gx) 48px}
  .faq-item{max-width:880px;margin-left:auto;margin-right:auto}
  .faq-q{font-size:15px}
  .faq-a{font-size:14px}

  .sticky-buy{max-width:none;padding:12px var(--gx)}
  .wrap > .buy-section{max-width:640px;margin:0 auto}

  /* cart as a right-side drawer */
  .cart-modal{align-items:stretch;justify-content:flex-end}
  .cart-content{max-width:460px;max-height:100%;height:100%;border-radius:0;border-left:1px solid var(--line2);transform:translateX(100%)}
  .cart-modal.active .cart-content{transform:translateX(0)}

  /* footer: columns, links always visible */
  .site-footer{display:grid;grid-template-columns:1fr 1fr 1.4fr;gap:28px;padding:48px var(--gx) 52px;align-items:start}
  .footer-section{border:none;margin:0;padding:0}
  .footer-toggle{background:none;border:none;padding:0 0 8px;font-size:13px;letter-spacing:.8px;text-transform:uppercase;color:var(--cyan);cursor:default;pointer-events:none}
  .footer-toggle span{display:none}
  .footer-links{max-height:none}
  .footer-links a{padding:7px 0}
  .footer-contact{margin-top:0;font-size:13px}
  .footer-copy{grid-column:1/-1;margin-top:8px}

  /* checkout: form left, sticky summary right */
  .checkout-page{max-width:none;padding:32px var(--gx) 70px}
  .co-steps{font-size:13px;margin-bottom:18px}
  .checkout-container{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:36px;align-items:start;padding:32px 36px;max-width:1140px;margin:0 auto}
  .co-head{grid-column:1/-1}
  .co-head h2{font-size:28px}
  .co-left .co-legend:first-child{margin-top:0}
  .co-right{position:sticky;top:90px;margin-top:0}

  /* static + thank-you pages */
  .page-content{max-width:820px;padding:40px 24px 60px;font-size:15px}
  .page-title{font-size:30px}
  .thank-you{padding:70px 18px}
}

/* very wide screens: slightly larger container + type */
@media (min-width:1600px){
  .wrap{--cw:1440px}
  .product-title{font-size:34px}
  .hero-band h2{font-size:50px}
  .feature .f-title{font-size:34px}
  .feature .f-text{font-size:17px}
}