/* upbright premium v2 — obsidian / titanium / electric cyan / volt.
   Re-themed from the uploaded premium design-system tokens: own palette,
   own radius, own hero/card/policy layouts. No tent-store styling. */
:root{
  --obsidian:#0b0e13; --obsidian-2:#11151d; --obsidian-3:#1a202b;
  --bg:#f5f6f8; --bg-alt:#eceef2; --card:#ffffff; --titanium:#c7ccd6;
  --titanium-2:#9aa3b2; --line:#dfe3ea; --line-strong:#c3c9d4;
  --ink:#0b0e13; --ink-2:#2a3140; --muted:#5b6474; --faint:#8a93a3;
  --cyan:#00a8e0; --cyan-dark:#0077a3; --cyan-soft:#dff4fc; --volt:#d8ff3d;
  --volt-ink:#3d4a00; --green:#0f7a4d; --green-soft:#e0f2e8; --red:#b3261e; --red-soft:#fbe7e5;
  --r-sm:8px; --r:12px; --r-lg:18px; --r-xl:26px;
  --sh-sm:0 1px 2px rgba(11,14,19,.06),0 4px 14px rgba(11,14,19,.05);
  --sh-md:0 2px 6px rgba(11,14,19,.07),0 18px 40px -14px rgba(11,14,19,.22);
  --sh-lg:0 8px 20px rgba(11,14,19,.12),0 34px 70px -22px rgba(11,14,19,.32);
  --font-display:"Space Grotesk",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --font-body:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --font-mono:ui-monospace,"SF Mono","Cascadia Mono",Menlo,Consolas,monospace;
  --header-h:72px;
}
*,*::before,*::after{box-sizing:border-box}
*{margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font-body);background:var(--bg);color:var(--ink);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
::selection{background:var(--volt);color:var(--ink)}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:700;line-height:1.1;letter-spacing:-.02em}
h1{font-size:clamp(2.3rem,5vw,3.9rem)} h2{font-size:clamp(1.65rem,3.2vw,2.4rem)} h3{font-size:1.2rem}
:focus-visible{outline:3px solid var(--cyan);outline-offset:3px;border-radius:6px}
.container{width:min(1280px,100% - 48px);margin-inline:auto}
.section{padding:clamp(56px,7vw,96px) 0}
.section-alt{background:var(--bg-alt)}
.section-head{max-width:760px;margin-bottom:40px}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.section-head-row .section-head{margin-bottom:0}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-mono);font-size:12px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--cyan-dark);margin-bottom:14px}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--cyan);border-radius:2px}
.section-sub{color:var(--muted);font-size:1.05rem;margin-top:12px;max-width:62ch}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip-link{position:absolute;left:16px;top:-60px;z-index:300;background:var(--obsidian);color:#fff;padding:10px 18px;border-radius:var(--r-sm);text-decoration:none;font-weight:600;transition:top .2s}
.skip-link:focus{top:12px}
/* announcement + header */
.announce{background:var(--obsidian);color:#e8ecf2;font-family:var(--font-mono);font-size:12.5px;letter-spacing:.04em;text-align:center;padding:9px 16px}
.announce b{color:var(--volt);font-weight:700}
.site-header{position:sticky;top:0;z-index:120;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;gap:20px;height:var(--header-h)}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-family:var(--font-display);font-weight:700;font-size:24px;letter-spacing:-.03em}
.brand-mark{width:36px;height:36px;border-radius:9px;background:var(--obsidian);color:var(--volt);display:grid;place-items:center;font-size:19px;font-weight:800}
.brand small{font-family:var(--font-mono);font-size:10px;letter-spacing:.22em;color:var(--muted);display:block;font-weight:400}
.main-nav{margin-left:8px}
.main-nav ul{display:flex;gap:4px;list-style:none}
.main-nav a,.main-nav .nav-top{display:inline-flex;padding:9px 13px;border-radius:999px;text-decoration:none;font-weight:600;font-size:15px}
.main-nav a:hover{background:var(--bg-alt)}
.header-actions{margin-left:auto;display:flex;gap:8px;align-items:center}
.icon-btn{width:42px;height:42px;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center;background:#fff;position:relative}
.icon-btn:hover{border-color:var(--line-strong)}
.icon-btn svg{width:20px;height:20px}
.cart-count{position:absolute;top:-5px;right:-5px;min-width:20px;height:20px;padding:0 5px;border-radius:999px;background:var(--cyan);color:#fff;font-size:11.5px;font-weight:700;display:grid;place-items:center}
.hamburger{display:none}
.search-panel{border-top:1px solid var(--line);padding:16px 0 20px;background:#fff}
.search-form{display:flex;gap:10px}
.search-form input{flex:1;border:1px solid var(--line-strong);border-radius:var(--r);padding:12px 16px;background:#fff}
.search-live{margin-top:10px;display:grid;gap:6px}
.search-hit{display:flex;gap:12px;align-items:center;text-decoration:none;padding:8px;border-radius:var(--r);border:1px solid var(--line);background:#fff}
.search-hit img{width:52px;height:52px;object-fit:cover;border-radius:8px;background:var(--bg-alt)}
.mobile-menu{display:none}
/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:700;font-size:15.5px;line-height:1.2;text-decoration:none;border-radius:999px;padding:14px 24px;border:1.5px solid transparent;transition:transform .15s,box-shadow .15s,background .15s;text-align:center}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--cyan);color:#fff;box-shadow:0 10px 26px -10px rgba(0,168,224,.65)}
.btn-primary:hover{background:var(--cyan-dark)}
.btn-dark{background:var(--obsidian);color:#fff}
.btn-dark:hover{background:var(--obsidian-3)}
.btn-volt{background:var(--volt);color:var(--ink)}
.btn-ghost{border-color:var(--line-strong);background:#fff;color:var(--ink)}
.btn-ghost:hover{border-color:var(--ink)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-lg{padding:17px 30px;font-size:16.5px}
.btn-block{width:100%}
.btn[disabled]{opacity:.5;cursor:not-allowed;box-shadow:none}
/* hero */
.hero{background:var(--obsidian);color:#f2f4f7;overflow:hidden;position:relative}
.hero::after{content:"";position:absolute;inset:0;background:radial-gradient(640px 300px at 82% 18%,rgba(0,168,224,.32),transparent 65%),radial-gradient(420px 240px at 12% 90%,rgba(216,255,61,.10),transparent 60%);pointer-events:none}
.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;padding:64px 0 56px;align-items:center}
.hero h1{color:#fff}
.hero h1 .cyan{color:#37c8f5}.hero h1 .volt{color:var(--volt)}
.hero-sub{color:#c3cad6;font-size:1.12rem;margin:18px 0 26px;max-width:54ch}
.hero-ctas{display:flex;gap:12px;flex-wrap:wrap}
.hero-points{display:flex;gap:20px;flex-wrap:wrap;margin-top:28px;font-family:var(--font-mono);font-size:12.5px;color:#aeb7c6;letter-spacing:.03em}
.hero-points b{color:#fff}
.spec-card{background:var(--obsidian-2);border:1px solid #262e3c;border-radius:var(--r-xl);padding:22px;box-shadow:var(--sh-lg)}
.spec-card img{border-radius:14px;width:100%;aspect-ratio:4/3;object-fit:cover;background:#222}
.spec-readout{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:16px}
.spec-readout div{background:var(--obsidian-3);border:1px solid #2c3546;border-radius:12px;padding:12px 13px}
.spec-readout dt{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:#93a0b4}
.spec-readout dd{font-family:var(--font-display);font-size:19px;font-weight:700;color:#fff;margin-top:3px}
.spec-card .row{display:flex;justify-content:space-between;align-items:center;gap:14px;margin-top:16px}
.spec-card .price{font-family:var(--font-display);font-size:26px;font-weight:700;color:#fff}
.spec-card .was{color:#8b95a7;text-decoration:line-through;font-size:15px;margin-left:8px}
.ticker{border-top:1px solid #262e3c;border-bottom:1px solid #262e3c;background:var(--obsidian-2);color:#c3cad6;position:relative;z-index:1}
.ticker .container{display:flex;gap:28px;overflow-x:auto;padding:11px 0;font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;white-space:nowrap;scrollbar-width:none}
.ticker b{color:var(--volt)}
/* product cards */
.grid{display:grid;gap:22px}.grid-4{grid-template-columns:repeat(4,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;display:flex;flex-direction:column;transition:transform .18s,box-shadow .18s,border-color .18s;text-decoration:none}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:var(--line-strong)}
.card-media{position:relative;background:var(--bg-alt);aspect-ratio:4/3;overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover}
.badge{position:absolute;top:12px;left:12px;background:var(--volt);color:var(--volt-ink);font-family:var(--font-mono);font-size:11.5px;font-weight:700;letter-spacing:.06em;padding:5px 9px;border-radius:999px}
.badge-sample{left:auto;right:12px;background:var(--obsidian);color:#fff}
.card-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:8px;flex:1}
.card-cat{font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--cyan-dark);font-weight:700}
.card-title{font-size:17.5px;line-height:1.3}
.card-desc{color:var(--muted);font-size:14.5px}
.spec-chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:2px}
.spec-chips span{font-family:var(--font-mono);font-size:11.5px;border:1px solid var(--line);border-radius:999px;padding:4px 9px;color:var(--ink-2);background:#fff}
.card-foot{margin-top:auto;padding-top:12px;border-top:1px dashed var(--line);display:flex;align-items:center;justify-content:space-between;gap:10px}
.price{font-family:var(--font-display);font-size:20px;font-weight:700}
.price .was{font-size:14px;color:var(--faint);text-decoration:line-through;font-weight:400;margin-left:6px}
.card-cta{font-weight:700;color:var(--cyan-dark);font-size:14.5px;white-space:nowrap}
.ship-note{font-size:13px;color:var(--muted)}
/* spec comparison + compatibility */
.spec-table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-lg);background:#fff;box-shadow:var(--sh-sm)}
table.spec{width:100%;border-collapse:collapse;min-width:760px}
table.spec th,table.spec td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
table.spec thead th{background:var(--obsidian);color:#fff;font-family:var(--font-mono);font-size:11.5px;letter-spacing:.12em;text-transform:uppercase}
table.spec tbody tr:hover{background:#f8fafc}
table.spec td:first-child{font-weight:600}
.mono{font-family:var(--font-mono);font-size:13px}
.check{color:var(--green);font-weight:700}.dash{color:var(--faint)}
/* feature / guide blocks */
.split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.split-media{border-radius:var(--r-xl);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-md)}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.num-list{list-style:none;display:grid;gap:0;counter-reset:step}
.num-list li{display:grid;grid-template-columns:44px 1fr;gap:16px;padding:18px 0;border-bottom:1px solid var(--line)}
.num-list li::before{counter-increment:step;content:counter(step,decimal-leading-zero);font-family:var(--font-mono);font-weight:700;color:var(--cyan-dark);border:1.5px solid var(--cyan);border-radius:50%;width:42px;height:42px;display:grid;place-items:center;font-size:13px}
.num-list h3{margin-bottom:4px}.num-list p{color:var(--muted)}
.principle-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.principle{background:#fff;border:1px solid var(--line);border-top:4px solid var(--cyan);border-radius:var(--r);padding:22px}
.principle h3{margin:10px 0 6px}.principle p{color:var(--muted);font-size:14.5px}
.principle .k{font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;color:var(--cyan-dark);font-weight:700}
.guarantee{background:var(--obsidian);color:#eef1f5;border-radius:var(--r-xl);padding:clamp(28px,4vw,48px);display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.guarantee h3{color:#fff}.guarantee p{color:#b9c1cf;font-size:14.5px}
.guarantee .g-num{font-family:var(--font-display);font-size:30px;color:var(--volt);font-weight:700}
/* product page */
.crumbs{font-size:13.5px;color:var(--muted);margin:22px 0 18px}
.crumbs a{text-decoration:none}.crumbs a:hover{text-decoration:underline}
.product-layout{display:grid;grid-template-columns:1.02fr .98fr;gap:44px;align-items:start;padding-bottom:8px}
.gallery{position:sticky;top:calc(var(--header-h) + 18px)}
.gallery-main{border:1px solid var(--line);border-radius:var(--r-xl);overflow:hidden;background:var(--bg-alt)}
.gallery-main img{width:100%;aspect-ratio:4/3;object-fit:cover}
.buy-box{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;box-shadow:var(--sh-sm)}
.buy-box .price{font-size:32px}.buy-box .was{font-size:18px}
.qty-row{display:flex;gap:12px;margin:18px 0}
.qty{display:inline-flex;align-items:center;border:1.5px solid var(--line-strong);border-radius:999px;overflow:hidden}
.qty button{width:44px;height:48px;font-size:20px}.qty output{min-width:36px;text-align:center;font-weight:700}
.qty-row .btn{flex:1}
.trust-list{list-style:none;display:grid;gap:9px;margin-top:18px;font-size:14.5px;color:var(--ink-2)}
.trust-list li{display:flex;gap:10px}.trust-list li::before{content:"✓";color:var(--green);font-weight:800}
.sample-note{margin-top:16px;background:#fff8d6;border:1px solid #e8d97a;border-radius:var(--r);padding:13px 15px;font-size:13.5px;color:#5a4d00}
.spec-panel{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
.spec-panel h2{padding:20px 22px 0}
.spec-panel dl{display:grid;grid-template-columns:1fr 1fr;gap:0;padding:16px 22px 22px}
.spec-panel dt{font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);padding:11px 0;border-bottom:1px solid var(--line)}
.spec-panel dd{font-weight:600;padding:11px 0;border-bottom:1px solid var(--line);text-align:right}
details.acc{border:1px solid var(--line);border-radius:var(--r);background:#fff;margin-bottom:10px}
details.acc summary{padding:16px 18px;font-weight:700;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:12px}
details.acc summary::-webkit-details-marker{display:none}
details.acc summary::after{content:"+";color:var(--cyan-dark);font-size:20px;line-height:1}
details.acc[open ] summary::after{content:"−"}
details.acc .acc-body{padding:0 18px 18px;color:var(--muted)}
.sticky-bar{position:sticky;bottom:0;z-index:60;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-top:1px solid var(--line);padding:12px 0}
.sticky-bar .container{display:flex;align-items:center;gap:16px;justify-content:space-between}
.sticky-bar img{width:52px;height:52px;object-fit:cover;border-radius:10px}
/* policies — spec-sheet layout */
.policy-layout{display:grid;grid-template-columns:280px 1fr;gap:40px;align-items:start}
.policy-toc{position:sticky;top:calc(var(--header-h) + 18px);background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:20px}
.policy-toc h2{font-size:15px;margin-bottom:10px}
.policy-toc ul{list-style:none;display:grid;gap:2px}
.policy-toc a{display:block;padding:8px 10px;border-radius:8px;text-decoration:none;font-size:14px;color:var(--ink-2)}
.policy-toc a:hover{background:var(--bg-alt)}
.policy-toc .active{background:var(--cyan-soft);font-weight:700;color:var(--cyan-dark)}
.policy-body{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:clamp(24px,4vw,44px)}
.policy-body h2{margin:30px 0 10px}.policy-body h2:first-child{margin-top:0}
.policy-body h3{margin:24px 0 8px}
.policy-body p,.policy-body li{color:var(--ink-2)}
.policy-body ul,.policy-body ol{padding-left:22px;display:grid;gap:6px;margin:8px 0}
.step-box{background:var(--bg);border:1px solid var(--line);border-left:4px solid var(--cyan);border-radius:var(--r);padding:18px 20px;margin:16px 0}
.step-box h3{margin-top:0}
.timeline{width:100%;border-collapse:collapse;margin:14px 0}
.timeline th,.timeline td{border:1px solid var(--line);padding:11px 13px;text-align:left;font-size:14.5px}
.timeline th{background:var(--obsidian);color:#fff;font-family:var(--font-mono);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase}
.contact-box{background:var(--cyan-soft);border:1px solid #bfe6f5;border-radius:var(--r);padding:18px 20px;margin-top:26px}
.contact-box a{font-weight:700}
/* forms, cart, misc */
.field{margin-bottom:16px}.field label{display:block;font-weight:600;margin-bottom:6px;font-size:14.5px}
.field input,.field select,.field textarea{width:100%;border:1.5px solid var(--line-strong);border-radius:var(--r);padding:12px 14px;background:#fff}
.field input:focus,.field select:focus,.field textarea:focus{outline:3px solid var(--cyan-soft);border-color:var(--cyan)}
.form-msg{margin-top:12px;font-weight:600}
.cart-drawer{position:fixed;top:0;right:0;height:100dvh;width:min(430px,100%);background:#fff;z-index:220;transform:translateX(105%);transition:transform .28s ease;display:flex;flex-direction:column;box-shadow:var(--sh-lg)}
.cart-drawer.open{transform:none}
.cart-overlay{position:fixed;inset:0;background:rgba(11,14,19,.5);z-index:210;opacity:0;pointer-events:none;transition:opacity .25s}
.cart-overlay.open{opacity:1;pointer-events:auto}
.cart-drawer-header{display:flex;justify-content:space-between;align-items:center;padding:18px 20px;border-bottom:1px solid var(--line)}
.cart-lines{flex:1;overflow:auto;padding:16px 20px;display:grid;gap:14px;align-content:start}
.cart-item{display:grid;grid-template-columns:64px 1fr auto;gap:12px;align-items:center}
.cart-item img{width:64px;height:64px;object-fit:cover;border-radius:10px;background:var(--bg-alt)}
.cart-footer{border-top:1px solid var(--line);padding:18px 20px;display:grid;gap:10px}
.cart-subtotal{display:flex;justify-content:space-between;font-size:17px}
.cart-table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
.cart-table th,.cart-table td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--line)}
.checkout-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:26px 0}
.checkout-steps div{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:20px}
.checkout-steps .n{font-family:var(--font-mono);color:var(--cyan-dark);font-weight:700}
.faq-list{display:grid;gap:12px;max-width:860px}
.notice{background:#fff8d6;border:1px solid #e8d97a;border-radius:var(--r);padding:14px 16px;font-size:14px;color:#5a4d00;margin-bottom:20px}
.notice-blue{background:var(--cyan-soft);border-color:#bfe6f5;color:#0b3a4d}
/* footer */
.site-footer{background:var(--obsidian);color:#c3cad6;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.3fr;gap:36px;padding:56px 0 36px}
.site-footer h3{color:#fff;font-size:15px;margin-bottom:14px}
.site-footer ul{list-style:none;display:grid;gap:8px;font-size:14.5px}
.site-footer a{text-decoration:none}.site-footer a:hover{color:#fff;text-decoration:underline}
.footer-brand{font-family:var(--font-display);font-size:26px;color:#fff;font-weight:700}
.footer-bottom{border-top:1px solid #262e3c;padding:20px 0 26px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13.5px;color:#93a0b4}
.toast{position:fixed;left:50%;bottom:26px;transform:translate(-50%,20px);background:var(--obsidian);color:#fff;padding:13px 20px;border-radius:999px;z-index:300;opacity:0;transition:.3s;font-weight:600;box-shadow:var(--sh-lg)}
.toast.show{opacity:1;transform:translate(-50%,0)}
.reveal{opacity:0;transform:translateY(14px);transition:opacity .5s,transform .5s}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}.reveal{opacity:1;transform:none}}
@media (max-width:1020px){
  .grid-4{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(2,1fr)}
  .principle-grid{grid-template-columns:repeat(2,1fr)}.hero-inner{grid-template-columns:1fr;padding:48px 0}
  .product-layout{grid-template-columns:1fr}.gallery{position:static}
  .policy-layout{grid-template-columns:1fr}.policy-toc{position:static}
  .footer-grid{grid-template-columns:1fr 1fr}.guarantee{grid-template-columns:1fr}
  .main-nav{display:none}.hamburger{display:grid}
  .mobile-menu{display:block;position:fixed;inset:0;z-index:230;background:#fff;padding:20px;transform:translateX(-105%);transition:transform .28s;overflow:auto}
  .mobile-menu.open{transform:none}
  .mobile-menu ul{list-style:none;display:grid;gap:4px;margin-top:18px}
  .mobile-menu a{display:block;padding:12px 10px;border-bottom:1px solid var(--line);text-decoration:none;font-weight:600;font-size:17px}
  .split{grid-template-columns:1fr}.checkout-steps{grid-template-columns:1fr}
}
@media (max-width:600px){
  .grid-4,.grid-3,.grid-2{grid-template-columns:1fr}
  .spec-readout{grid-template-columns:1fr 1fr}
  .spec-panel dl{grid-template-columns:1fr}
  .spec-panel dd{text-align:left}
  .footer-grid{grid-template-columns:1fr}
  .sticky-bar .hide-sm{display:none}
  .brand small{display:none}
}