/* GadgetZone — toko gadget & elektronik. Dark mode, biru #2563eb + slate #0f172a */
*{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#0b1120;--bg2:#0f172a;--card:#111c33;--card2:#16233f;
  --line:#1e2c47;--brand:#2563eb;--brand-d:#1d4ed8;--brand-l:#60a5fa;
  --txt:#e2e8f0;--mut:#94a3b8;--dim:#64748b;--ok:#22c55e;--star:#fbbf24;
  --radius:16px;--shadow:0 10px 30px rgba(0,0,0,.45);
}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  background:var(--bg);color:var(--txt);line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%}
a{color:inherit;text-decoration:none}
.wrap{max-width:1140px;margin:0 auto;padding:0 20px}

/* demo bar */
.demobar{
  background:linear-gradient(90deg,#1d4ed8,#0ea5e9);color:#fff;font-size:13px;
  text-align:center;padding:7px 14px;font-weight:500;
}
.demobar a{color:#fff;text-decoration:underline;font-weight:700}

/* header */
header.site{
  position:sticky;top:0;z-index:50;
  background:rgba(11,17,32,.85);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:66px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;letter-spacing:-.5px}
.brand .logo{
  width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),#0ea5e9);box-shadow:0 4px 14px rgba(37,99,235,.5);
}
.brand b{color:var(--brand-l)}
.menu{display:flex;align-items:center;gap:4px;list-style:none}
.menu a{
  display:block;padding:9px 14px;border-radius:10px;font-size:15px;font-weight:600;color:var(--mut);
  transition:.18s;
}
.menu a:hover{color:#fff;background:var(--card)}
.menu a.active{color:#fff;background:var(--brand)}
.menu .cta a{background:linear-gradient(135deg,var(--brand),#0ea5e9);color:#fff}
#nav,.burger{display:none}
.burger{
  width:44px;height:44px;border-radius:10px;border:1px solid var(--line);cursor:pointer;
  background:var(--card);color:#fff;align-items:center;justify-content:center;
}
.burger svg{width:24px;height:24px}

/* hero */
.hero{
  position:relative;overflow:hidden;padding:74px 0 60px;
  background:
    radial-gradient(900px 420px at 78% -10%,rgba(37,99,235,.28),transparent 60%),
    radial-gradient(700px 400px at 5% 110%,rgba(14,165,233,.16),transparent 60%),
    var(--bg2);
  border-bottom:1px solid var(--line);
}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:46px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.4px;
  text-transform:uppercase;color:var(--brand-l);background:rgba(37,99,235,.12);
  border:1px solid rgba(37,99,235,.35);padding:6px 13px;border-radius:999px;margin-bottom:18px;
}
.hero h1{font-size:clamp(32px,5.4vw,54px);line-height:1.08;letter-spacing:-1.4px;margin-bottom:16px}
.hero h1 span{background:linear-gradient(120deg,var(--brand-l),#22d3ee);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:18px;color:var(--mut);max-width:540px;margin-bottom:26px}
.btns{display:flex;flex-wrap:wrap;gap:13px}
.btn{
  display:inline-flex;align-items:center;gap:9px;padding:14px 24px;border-radius:12px;
  font-weight:700;font-size:15px;cursor:pointer;border:0;transition:.18s;
}
.btn-pri{background:linear-gradient(135deg,var(--brand),#0ea5e9);color:#fff;box-shadow:0 8px 22px rgba(37,99,235,.4)}
.btn-pri:hover{transform:translateY(-2px)}
.btn-gho{background:var(--card);color:#fff;border:1px solid var(--line)}
.btn-gho:hover{border-color:var(--brand)}
.btn svg{width:18px;height:18px}
.hero-stats{display:flex;gap:30px;margin-top:34px;flex-wrap:wrap}
.hero-stats div b{display:block;font-size:26px;color:#fff}
.hero-stats div span{font-size:13px;color:var(--dim)}

/* hero visual: a phone/device mock made of CSS shapes */
.hero-art{position:relative;height:380px}
.device{
  position:absolute;border-radius:26px;border:1px solid var(--line);
  background:linear-gradient(160deg,var(--card2),var(--card));box-shadow:var(--shadow);
}
.device.phone{width:170px;height:330px;left:42%;top:10px;z-index:3;border-radius:30px;
  background:linear-gradient(160deg,#1e293b,#0f172a)}
.device.phone .scr{position:absolute;inset:12px;border-radius:20px;
  background:radial-gradient(120px 90px at 50% 0,rgba(37,99,235,.5),transparent 70%),#0b1120;overflow:hidden}
.device.phone .notch{position:absolute;top:9px;left:50%;transform:translateX(-50%);width:50px;height:7px;border-radius:6px;background:#0b1120;z-index:4}
.device.watch{width:120px;height:130px;left:2%;top:130px;z-index:2;border-radius:34px;
  background:linear-gradient(160deg,#1e293b,#0f172a)}
.device.watch .scr{position:absolute;inset:14px;border-radius:24px;background:linear-gradient(135deg,#2563eb,#0ea5e9)}
.device.buds{width:120px;height:120px;right:0;top:0;z-index:2;border-radius:20px}
.float-tag{
  position:absolute;background:var(--card);border:1px solid var(--line);border-radius:12px;
  padding:9px 13px;font-size:13px;font-weight:700;box-shadow:var(--shadow);z-index:5;
}
.float-tag.t1{right:-6px;bottom:54px}
.float-tag.t1 .ok{color:var(--ok)}
.float-tag.t2{left:6px;bottom:6px;color:var(--brand-l)}

/* sections */
section.pad{padding:64px 0}
.sec-head{text-align:center;max-width:640px;margin:0 auto 44px}
.sec-head .eyebrow{margin-bottom:14px}
.sec-head h2{font-size:clamp(26px,4vw,38px);letter-spacing:-1px;margin-bottom:10px}
.sec-head p{color:var(--mut);font-size:16px}
.alt{background:var(--bg2)}

/* feature/usp cards */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;
  transition:.2s;
}
.card:hover{border-color:var(--brand);transform:translateY(-3px)}
.ic{
  width:50px;height:50px;border-radius:13px;display:grid;place-items:center;margin-bottom:16px;
  background:rgba(37,99,235,.14);color:var(--brand-l);
}
.ic svg{width:26px;height:26px}
.card h3{font-size:18px;margin-bottom:7px}
.card p{color:var(--mut);font-size:14.5px}

/* category pills */
.cats{display:flex;flex-wrap:wrap;gap:11px;justify-content:center}
.pill{
  display:inline-flex;align-items:center;gap:8px;padding:10px 17px;border-radius:999px;
  background:var(--card);border:1px solid var(--line);font-weight:600;font-size:14px;color:var(--txt);
  transition:.18s;cursor:pointer;
}
.pill:hover,.pill.on{background:var(--brand);border-color:var(--brand);color:#fff}
.pill svg{width:16px;height:16px}

/* product grid */
.prods{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.prod{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  transition:.2s;display:flex;flex-direction:column;
}
.prod:hover{border-color:var(--brand);transform:translateY(-4px);box-shadow:var(--shadow)}
.prod .ph{
  height:170px;position:relative;display:grid;place-items:center;
  background:linear-gradient(150deg,var(--card2),#0b1120);border-bottom:1px solid var(--line);
}
.prod .ph .gico{width:74px;height:74px;color:var(--brand-l);opacity:.9}
.prod .badge{position:absolute;top:11px;left:11px;font-size:11px;font-weight:800;letter-spacing:.4px;
  padding:4px 9px;border-radius:7px;background:var(--brand);color:#fff;text-transform:uppercase}
.prod .badge.hot{background:#ef4444}
.prod .badge.new{background:#0ea5e9}
.prod .body{padding:16px;display:flex;flex-direction:column;gap:7px;flex:1}
.prod .cat{font-size:12px;color:var(--dim);font-weight:600;text-transform:uppercase;letter-spacing:.4px}
.prod h3{font-size:15.5px;line-height:1.35}
.stars{color:var(--star);font-size:13px;letter-spacing:1px}
.stars span{color:var(--dim);margin-left:4px}
.price{margin-top:auto;display:flex;align-items:baseline;gap:8px}
.price .now{font-size:19px;font-weight:800;color:#fff}
.price .was{font-size:13px;color:var(--dim);text-decoration:line-through}
.prod .act{padding:0 16px 16px}
.prod .act .btn{width:100%;justify-content:center;padding:11px}

/* detail page */
.detail{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.gallery .main{
  height:380px;border-radius:var(--radius);border:1px solid var(--line);display:grid;place-items:center;
  background:linear-gradient(150deg,var(--card2),#0b1120);margin-bottom:14px;
}
.gallery .main svg{width:160px;height:160px;color:var(--brand-l)}
.thumbs{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.thumbs div{height:80px;border-radius:12px;border:1px solid var(--line);display:grid;place-items:center;
  background:var(--card);cursor:pointer}
.thumbs div:hover{border-color:var(--brand)}
.thumbs svg{width:36px;height:36px;color:var(--mut)}
.dinfo .cat{color:var(--brand-l);font-weight:700;font-size:13px;text-transform:uppercase;letter-spacing:.5px}
.dinfo h1{font-size:30px;letter-spacing:-.8px;margin:6px 0 10px}
.dinfo .rate{display:flex;align-items:center;gap:10px;margin-bottom:18px;color:var(--mut);font-size:14px}
.dprice{display:flex;align-items:baseline;gap:12px;margin-bottom:20px}
.dprice .now{font-size:34px;font-weight:800;color:#fff}
.dprice .was{font-size:17px;color:var(--dim);text-decoration:line-through}
.dprice .off{background:rgba(34,197,94,.16);color:var(--ok);font-size:13px;font-weight:700;padding:4px 10px;border-radius:8px}
.dinfo p.desc{color:var(--mut);margin-bottom:20px}
.opts{margin-bottom:20px}
.opts h4{font-size:14px;margin-bottom:9px}
.swatch{display:flex;gap:10px;flex-wrap:wrap}
.swatch label{padding:9px 15px;border-radius:10px;border:1px solid var(--line);background:var(--card);
  font-size:14px;font-weight:600;cursor:pointer;transition:.15s}
.swatch input{display:none}
.swatch input:checked+span{}
.swatch label:hover{border-color:var(--brand)}
.qty{display:flex;align-items:center;gap:0;border:1px solid var(--line);border-radius:10px;overflow:hidden;width:fit-content}
.qty button{width:42px;height:42px;background:var(--card);color:#fff;border:0;font-size:18px;cursor:pointer}
.qty input{width:54px;height:42px;text-align:center;background:var(--bg);color:#fff;border:0;border-left:1px solid var(--line);border-right:1px solid var(--line)}
.drow{display:flex;gap:13px;flex-wrap:wrap;margin-top:22px}
.specs{margin-top:20px}
.specs table{width:100%;border-collapse:collapse;font-size:14.5px}
.specs td{padding:11px 14px;border-bottom:1px solid var(--line)}
.specs td:first-child{color:var(--dim);width:42%;font-weight:600}
.trust{display:flex;gap:18px;flex-wrap:wrap;margin-top:22px;color:var(--mut);font-size:13.5px}
.trust div{display:flex;align-items:center;gap:8px}
.trust svg{width:18px;height:18px;color:var(--brand-l)}

/* cart / order page */
.cart-grid{display:grid;grid-template-columns:1.6fr .9fr;gap:30px;align-items:start}
.citem{display:grid;grid-template-columns:88px 1fr auto;gap:16px;align-items:center;
  padding:18px;border:1px solid var(--line);border-radius:var(--radius);background:var(--card);margin-bottom:14px}
.citem .thumb{width:88px;height:88px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(150deg,var(--card2),#0b1120)}
.citem .thumb svg{width:46px;height:46px;color:var(--brand-l)}
.citem .meta h4{font-size:16px;margin-bottom:3px}
.citem .meta span{font-size:13px;color:var(--dim)}
.citem .right{text-align:right}
.citem .right .p{font-weight:800;color:#fff;font-size:17px}
.citem .right a{font-size:13px;color:#ef4444;font-weight:600}
.summary{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;position:sticky;top:90px}
.summary h3{font-size:19px;margin-bottom:18px}
.srow{display:flex;justify-content:space-between;padding:9px 0;color:var(--mut);font-size:14.5px}
.srow.total{border-top:1px solid var(--line);margin-top:8px;padding-top:16px;color:#fff;font-weight:800;font-size:20px}
.summary .btn{width:100%;justify-content:center;margin-top:18px}
.promo{display:flex;gap:8px;margin:14px 0}
.promo input{flex:1;background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:11px 14px;color:#fff}

/* forms / contact */
.form-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:start}
form .field{margin-bottom:16px}
form label{display:block;font-size:14px;font-weight:600;margin-bottom:7px}
form input,form textarea,form select{
  width:100%;background:var(--bg);border:1px solid var(--line);border-radius:11px;
  padding:13px 15px;color:#fff;font-family:inherit;font-size:15px;
}
form input:focus,form textarea:focus,form select:focus{outline:0;border-color:var(--brand)}
form textarea{min-height:130px;resize:vertical}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.note{font-size:12.5px;color:var(--dim);margin-top:6px}
.demoform-tag{display:inline-block;background:rgba(251,191,36,.14);color:var(--star);font-size:12px;
  font-weight:700;padding:5px 11px;border-radius:8px;margin-bottom:18px;border:1px solid rgba(251,191,36,.3)}
.infocard{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;margin-bottom:16px}
.infocard h3{display:flex;align-items:center;gap:10px;font-size:17px;margin-bottom:14px}
.infocard .ic{width:38px;height:38px;margin:0}
.contact-line{display:flex;align-items:flex-start;gap:13px;margin-bottom:14px;color:var(--mut);font-size:14.5px}
.contact-line svg{width:20px;height:20px;color:var(--brand-l);flex-shrink:0;margin-top:2px}
.contact-line b{display:block;color:#fff}
.map{height:240px;border-radius:var(--radius);border:1px solid var(--line);
  background:
    linear-gradient(0deg,rgba(37,99,235,.08),rgba(37,99,235,.08)),
    repeating-linear-gradient(0deg,transparent,transparent 28px,var(--line) 28px,var(--line) 29px),
    repeating-linear-gradient(90deg,transparent,transparent 28px,var(--line) 28px,var(--line) 29px),
    var(--card);
  display:grid;place-items:center;color:var(--mut);font-size:14px}
.map svg{width:40px;height:40px;color:var(--brand-l);margin-bottom:6px}

/* breadcrumb */
.crumb{font-size:13px;color:var(--dim);padding:18px 0;display:flex;gap:8px;align-items:center}
.crumb a:hover{color:var(--brand-l)}

/* page header band */
.pagehead{padding:46px 0 30px;background:
  radial-gradient(700px 300px at 80% -20%,rgba(37,99,235,.2),transparent 60%),var(--bg2);
  border-bottom:1px solid var(--line)}
.pagehead h1{font-size:clamp(28px,4.5vw,42px);letter-spacing:-1px;margin-bottom:8px}
.pagehead p{color:var(--mut);max-width:560px}

/* CTA band */
.ctaband{
  background:linear-gradient(120deg,var(--brand),#0ea5e9);border-radius:22px;padding:48px;
  text-align:center;color:#fff;
}
.ctaband h2{font-size:clamp(24px,3.6vw,34px);letter-spacing:-.8px;margin-bottom:10px}
.ctaband p{opacity:.92;max-width:520px;margin:0 auto 22px}
.ctaband .btn{background:#fff;color:var(--brand-d)}

/* testimonials */
.quote{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.quote p{color:var(--txt);margin-bottom:16px;font-size:15px}
.quote .who{display:flex;align-items:center;gap:12px}
.quote .av{width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,var(--brand),#0ea5e9);
  display:grid;place-items:center;font-weight:800;color:#fff}
.quote .who b{display:block;font-size:14px}
.quote .who span{font-size:12.5px;color:var(--dim)}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step{text-align:center}
.step .n{width:52px;height:52px;border-radius:50%;margin:0 auto 14px;display:grid;place-items:center;
  background:rgba(37,99,235,.14);border:1px solid rgba(37,99,235,.4);color:var(--brand-l);font-weight:800;font-size:20px}
.step h4{font-size:16px;margin-bottom:6px}
.step p{color:var(--mut);font-size:14px}

/* footer */
footer.site{background:var(--bg2);border-top:1px solid var(--line);padding:54px 0 26px;margin-top:10px}
.fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:34px;margin-bottom:34px}
footer.site .brand{margin-bottom:14px}
footer.site p.about{color:var(--mut);font-size:14px;max-width:300px}
footer h5{font-size:14px;text-transform:uppercase;letter-spacing:.6px;color:#fff;margin-bottom:16px}
footer ul{list-style:none}
footer ul li{margin-bottom:9px}
footer ul a{color:var(--mut);font-size:14px}
footer ul a:hover{color:var(--brand-l)}
.fcontact div{display:flex;gap:10px;color:var(--mut);font-size:14px;margin-bottom:11px}
.fcontact svg{width:17px;height:17px;color:var(--brand-l);flex-shrink:0;margin-top:3px}
.socials{display:flex;gap:10px;margin-top:14px}
.socials a{width:38px;height:38px;border-radius:10px;background:var(--card);border:1px solid var(--line);
  display:grid;place-items:center;color:var(--mut)}
.socials a:hover{background:var(--brand);color:#fff;border-color:var(--brand)}
.socials svg{width:18px;height:18px}
.fbottom{border-top:1px solid var(--line);padding-top:22px;display:flex;justify-content:space-between;
  flex-wrap:wrap;gap:10px;color:var(--dim);font-size:13px}

/* responsive */
@media(max-width:980px){
  .hero-grid,.detail,.cart-grid,.form-grid{grid-template-columns:1fr}
  .hero-art{display:none}
  .prods{grid-template-columns:repeat(3,1fr)}
  .grid4{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .fgrid{grid-template-columns:1fr 1fr}
  .summary{position:static}
}
@media(max-width:820px){
  .burger{display:flex}
  .menu{
    position:absolute;top:66px;left:0;right:0;flex-direction:column;align-items:stretch;gap:4px;
    background:var(--bg2);border-bottom:1px solid var(--line);padding:14px 20px;display:none;
    box-shadow:var(--shadow);
  }
  #nav:checked~.menu{display:flex}
  .menu a{padding:13px}
  .grid3,.grid2{grid-template-columns:1fr}
  .prods{grid-template-columns:1fr 1fr}
}
@media(max-width:560px){
  .prods,.grid4,.steps{grid-template-columns:1fr}
  .fgrid{grid-template-columns:1fr}
  .row2{grid-template-columns:1fr}
  .ctaband{padding:32px 22px}
  section.pad{padding:48px 0}
  .citem{grid-template-columns:64px 1fr;}
  .citem .right{grid-column:1/-1;text-align:left;display:flex;justify-content:space-between;align-items:center}
  .citem .thumb{width:64px;height:64px}
}