:root{
  --blue:#1068ff;
  --blue-dark:#0d47bf;
  --blue-soft:#eaf3ff;
  --navy:#071a3d;
  --text:#15223b;
  --muted:#64748b;
  --line:#dbe7f7;
  --card:#ffffff;
  --bg:#f6f9ff;
  --shadow:0 24px 70px rgba(16,104,255,.14);
  --radius:24px;
}

*{
  box-sizing:border-box;
}

html{
  scroll-behavior:smooth;
}

body{
  margin:0;
  font-family:Inter,Segoe UI,Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
}

body.no-scroll{
  overflow:hidden;
}

a{
  text-decoration:none;
  color:inherit;
}

button,
input,
select,
textarea{
  font:inherit;
}

img{
  max-width:100%;
  display:block;
}

.top-banner{
  background:linear-gradient(90deg,var(--blue),#5ec8ff);
  color:#fff;
  text-align:center;
  padding:10px 16px;
  font-weight:700;
  font-size:14px;
}

.site-header{
  position:sticky;
  top:0;
  z-index:50;
  display:flex;
  align-items:center;
  gap:24px;
  justify-content:space-between;
  padding:16px 5%;
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
}

.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:900;
  font-size:26px;
  color:var(--navy);
}

.brand-mark{
  display:grid;
  place-items:center;
  width:38px;
  height:38px;
  border-radius:14px;
  background:var(--blue);
  color:#fff;
}

.nav-links{
  display:flex;
  gap:20px;
  font-weight:700;
  color:#334155;
}

.nav-links a:hover{
  color:var(--blue);
}

.header-actions{
  display:flex;
  align-items:center;
  gap:10px;
}

.search-box{
  display:flex;
  align-items:center;
  gap:8px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:999px;
  padding:9px 13px;
  min-width:190px;
}

.search-box input{
  border:0;
  outline:0;
  width:100%;
  background:transparent;
}

.language-select,
.icon-button,
.cart-button{
  border:1px solid var(--line);
  background:#fff;
  border-radius:999px;
  padding:10px 13px;
  cursor:pointer;
  font-weight:800;
}

.cart-button{
  background:var(--navy);
  color:#fff;
  border-color:var(--navy);
}

.cart-button span:last-child,
.icon-button span{
  background:var(--blue);
  color:#fff;
  border-radius:999px;
  padding:2px 7px;
  margin-left:4px;
  font-size:12px;
}

.hero{
  position:relative;
  overflow:hidden;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:40px;
  align-items:center;
  min-height:680px;
  padding:64px 5%;
  background:radial-gradient(circle at 75% 35%,#d8efff 0 25%,transparent 38%),linear-gradient(135deg,#fff 0%,#eef6ff 50%,#d9edff 100%);
}

.hero-content{
  max-width:680px;
}

.eyebrow{
  text-transform:uppercase;
  letter-spacing:.12em;
  color:var(--blue);
  font-weight:900;
  font-size:13px;
  margin:0 0 10px;
}

.hero h1{
  font-size:clamp(44px,6vw,82px);
  line-height:.95;
  margin:0 0 22px;
  color:var(--navy);
  letter-spacing:-.055em;
}

.hero p{
  font-size:19px;
  line-height:1.7;
  color:#43546d;
  margin:0 0 26px;
}

.hero-actions,
.trust-row{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  align-items:center;
}

.primary-btn,
.secondary-btn{
  border:0;
  border-radius:999px;
  padding:14px 22px;
  font-weight:900;
  cursor:pointer;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  transition:.25s ease;
}

.primary-btn{
  background:linear-gradient(135deg,var(--blue),#63c8ff);
  color:#fff;
  box-shadow:0 14px 34px rgba(16,104,255,.28);
}

.primary-btn:hover{
  transform:translateY(-2px);
}

.secondary-btn{
  background:#fff;
  color:var(--blue);
  border:1px solid var(--line);
}

.full{
  width:100%;
}

.trust-row{
  margin-top:26px;
}

.trust-row span{
  background:rgba(255,255,255,.75);
  border:1px solid var(--line);
  border-radius:999px;
  padding:10px 14px;
  font-weight:800;
  color:#355070;
  font-size:14px;
}

.hero-media{
  position:relative;
  min-height:520px;
  display:grid;
  place-items:center;
}

.hero-media img{
  max-height:500px;
  object-fit:contain;
  filter:drop-shadow(0 34px 55px rgba(7,26,61,.24));
}

.glow{
  position:absolute;
  width:420px;
  height:420px;
  background:radial-gradient(circle,#70d4ff,transparent 62%);
  filter:blur(18px);
  opacity:.6;
}

.floating-card{
  position:absolute;
  background:#fff;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  border-radius:20px;
  padding:14px 18px;
  font-weight:900;
}

.price-card{
  left:3%;
  bottom:18%;
}

.price-card span{
  display:block;
  color:var(--muted);
  font-size:12px;
}

.price-card strong{
  color:var(--blue);
  font-size:26px;
}

.app-card{
  right:8%;
  top:17%;
  color:var(--blue);
}

.section{
  padding:76px 5%;
}

.features{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:18px;
}

.features article,
.config-card,
.gallery-card,
.product-card,
.bundle-card,
.about,
.checkout-preview,
.mini-bundle-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:0 14px 45px rgba(7,26,61,.06);
}

.features article{
  padding:26px;
}

.features span{
  font-size:32px;
}

.features h3{
  margin:14px 0 8px;
  color:var(--navy);
}

.features p{
  margin:0;
  color:var(--muted);
  line-height:1.6;
}

.section-heading{
  max-width:760px;
  margin:0 auto 34px;
}

.section-heading.center{
  text-align:center;
}

.section-heading.split{
  display:flex;
  justify-content:space-between;
  align-items:end;
  gap:26px;
  max-width:none;
}

.section-heading h2{
  font-size:clamp(32px,4vw,52px);
  line-height:1.05;
  letter-spacing:-.04em;
  margin:0 0 12px;
  color:var(--navy);
}

.section-heading p{
  color:var(--muted);
  line-height:1.65;
  margin:0;
}

.config-grid{
  display:grid;
  grid-template-columns:.95fr 1.05fr;
  gap:24px;
  align-items:stretch;
}

.gallery-card{
  padding:26px;
  display:grid;
  place-items:center;
}

.gallery-card > img{
  height:420px;
  object-fit:contain;
}

.thumbnail-row{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  justify-content:center;
  margin-top:18px;
}

.thumbnail{
  width:58px;
  height:58px;
  border-radius:16px;
  border:2px solid transparent;
  background:#f1f5f9;
  object-fit:cover;
  cursor:pointer;
}

.thumbnail.active{
  border-color:var(--blue);
}

.config-card{
  padding:32px;
}

.deal-badge{
  display:inline-flex;
  background:var(--blue-soft);
  color:var(--blue);
  border-radius:999px;
  padding:8px 12px;
  font-weight:900;
  margin-bottom:18px;
}

.config-card h3{
  font-size:34px;
  letter-spacing:-.03em;
  margin:0 0 24px;
  color:var(--navy);
}

.option-group{
  margin:0 0 24px;
}

.option-group p{
  font-weight:900;
  margin:0 0 12px;
  color:#334155;
}

.pill-row,
.color-row{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}

.center-row{
  justify-content:center;
}

.pill{
  border:1px solid var(--line);
  background:#fff;
  border-radius:999px;
  padding:11px 16px;
  font-weight:900;
  cursor:pointer;
  color:#334155;
}

.pill.active{
  background:var(--blue);
  border-color:var(--blue);
  color:#fff;
}

.swatch{
  width:42px;
  height:42px;
  border-radius:999px;
  border:3px solid #fff;
  box-shadow:0 0 0 1px var(--line);
  cursor:pointer;
  position:relative;
}

.swatch.active{
  box-shadow:0 0 0 3px var(--blue);
}

.live-price{
  display:flex;
  align-items:center;
  justify-content:space-between;
  background:linear-gradient(135deg,#f8fbff,#eaf3ff);
  border:1px solid var(--line);
  padding:18px;
  border-radius:20px;
  margin-bottom:18px;
}

.live-price span{
  font-weight:800;
  color:var(--muted);
}

.live-price strong{
  font-size:34px;
  color:var(--blue);
}

.product-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
}

.product-card{
  padding:18px;
  display:flex;
  flex-direction:column;
  gap:14px;
}

.product-card.hide{
  display:none;
}

.product-image{
  background:linear-gradient(135deg,#f8fbff,#e8f5ff);
  border-radius:20px;
  min-height:220px;
  display:grid;
  place-items:center;
  position:relative;
  overflow:hidden;
}

.product-image img{
  height:190px;
  object-fit:contain;
}

.fav-btn{
  position:absolute;
  top:12px;
  right:12px;
  width:38px;
  height:38px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#fff;
  cursor:pointer;
  font-size:20px;
  color:#94a3b8;
}

.fav-btn.active{
  color:#ff3b75;
}

.product-card h3{
  margin:0;
  color:var(--navy);
  font-size:21px;
}

.product-card p{
  margin:0;
  color:var(--muted);
  line-height:1.5;
}

.product-options{
  display:grid;
  gap:10px;
}

.product-options select{
  border:1px solid var(--line);
  border-radius:14px;
  padding:10px;
  background:#fff;
}

.product-price{
  font-size:24px;
  color:var(--blue);
  font-weight:950;
}

.bundle-section{
  position:relative;
  overflow:hidden;
  background:linear-gradient(135deg,#071a3d,#0d47bf);
  color:#fff;
}

.bundle-bg{
  position:absolute;
  inset:auto -10% -40% -10%;
  height:360px;
  background:radial-gradient(circle,#ff9b3d,transparent 36%),radial-gradient(circle at 35% 20%,#4fd5ff,transparent 35%);
  opacity:.45;
  filter:blur(20px);
}

.bundle-section > *:not(.bundle-bg){
  position:relative;
}

.light h2,
.light p{
  color:#fff;
}

.fire{
  color:#ffcc66;
}

.bundle-config{
  max-width:1180px;
  margin:0 auto;
}

.bundle-config .option-group p{
  text-align:center;
  color:#dbeafe;
}

.bundle-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
  margin-top:26px;
}

.bundle-card{
  padding:22px;
  color:var(--text);
  position:relative;
  overflow:hidden;
}

.bundle-card.hot::before{
  content:'🔥';
  position:absolute;
  right:-8px;
  top:-8px;
  font-size:72px;
  opacity:.18;
}

.bundle-card .tag{
  display:inline-block;
  background:#fff1c4;
  color:#8a4b00;
  border-radius:999px;
  padding:6px 10px;
  font-weight:900;
  font-size:12px;
  margin-bottom:14px;
}

.bundle-card h3{
  margin:0 0 12px;
  color:var(--navy);
  font-size:21px;
}

.bundle-card p{
  margin:0 0 18px;
  color:var(--muted);
  line-height:1.5;
}

.bundle-card strong{
  display:block;
  color:var(--blue);
  font-size:28px;
  margin-bottom:14px;
}

.mini-bundle-row{
  display:flex;
  gap:18px;
  overflow-x:auto;
  padding-bottom:8px;
}

.mini-bundle-card{
  min-width:300px;
  padding:24px;
}

.mini-bundle-card h3{
  margin:0 0 8px;
  color:var(--navy);
}

.mini-bundle-card strong{
  font-size:28px;
  color:var(--blue);
}

.about{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:30px;
  align-items:center;
  padding:42px;
}

.about-text h2,
.checkout-preview h2{
  font-size:44px;
  line-height:1.08;
  letter-spacing:-.04em;
  color:var(--navy);
  margin:0 0 16px;
}

.about-text p,
.checkout-preview p{
  line-height:1.75;
  color:var(--muted);
}

.about-image{
  background:linear-gradient(135deg,#eaf3ff,#fff);
  border-radius:24px;
  display:grid;
  place-items:center;
  padding:20px;
}

.about-image img{
  max-height:390px;
  object-fit:contain;
}

.checkout-preview{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:22px;
  padding:34px;
}

.footer{
  display:flex;
  justify-content:space-between;
  gap:20px;
  background:var(--navy);
  color:#fff;
  padding:34px 5%;
}

.footer p{
  color:#bfdbfe;
}

.footer div:last-child{
  display:grid;
  gap:8px;
  color:#dbeafe;
}

.cart-drawer{
  position:fixed;
  z-index:100;
  right:0;
  top:0;
  height:100vh;
  width:min(430px,96vw);
  background:#fff;
  transform:translateX(110%);
  transition:.28s ease;
  box-shadow:-30px 0 80px rgba(7,26,61,.24);
  display:flex;
  flex-direction:column;
}

.cart-drawer.open{
  transform:translateX(0);
}

.drawer-header{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:20px 22px;
  border-bottom:1px solid var(--line);
}

.drawer-header h2{
  margin:0;
}

.close-btn{
  border:0;
  background:#eef6ff;
  border-radius:999px;
  width:40px;
  height:40px;
  font-size:24px;
  cursor:pointer;
}

.cart-items{
  flex:1;
  overflow:auto;
  padding:18px;
  display:grid;
  gap:12px;
}

.cart-item{
  display:grid;
  grid-template-columns:62px 1fr auto;
  gap:12px;
  align-items:center;
  border:1px solid var(--line);
  border-radius:18px;
  padding:10px;
}

.cart-item img{
  width:62px;
  height:62px;
  object-fit:contain;
  background:#f8fbff;
  border-radius:14px;
}

.cart-item h4{
  margin:0 0 4px;
  font-size:15px;
}

.cart-item p{
  margin:0;
  color:var(--muted);
  font-size:13px;
}

.qty-row{
  display:flex;
  align-items:center;
  gap:8px;
  margin-top:8px;
}

.qty-row button,
.remove-btn{
  border:1px solid var(--line);
  background:#fff;
  border-radius:10px;
  cursor:pointer;
}

.qty-row button{
  width:28px;
  height:28px;
}

.remove-btn{
  padding:7px 9px;
  color:#ef4444;
}

.cart-summary{
  border-top:1px solid var(--line);
  padding:18px 22px 24px;
  display:grid;
  gap:12px;
}

.cart-summary div{
  display:flex;
  justify-content:space-between;
}

.cart-summary .total{
  font-size:22px;
  color:var(--navy);
}

.shipping-note{
  margin:0;
  color:var(--blue);
  font-weight:800;
  font-size:13px;
}

.overlay{
  position:fixed;
  inset:0;
  background:rgba(7,26,61,.42);
  z-index:90;
  opacity:0;
  pointer-events:none;
  transition:.25s;
}

.overlay.show{
  opacity:1;
  pointer-events:auto;
}

.modal{
  border:0;
  border-radius:28px;
  width:min(720px,94vw);
  box-shadow:0 30px 90px rgba(7,26,61,.25);
  padding:0;
}

.modal.small{
  width:min(440px,94vw);
}

.modal::backdrop{
  background:rgba(7,26,61,.45);
}

.checkout-form{
  padding:30px;
  display:grid;
  gap:16px;
  position:relative;
}

.modal-close{
  position:absolute;
  right:18px;
  top:18px;
}

.checkout-form h2{
  margin:0 0 8px;
  color:var(--navy);
  font-size:34px;
}

.form-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:14px;
}

.checkout-form label{
  display:grid;
  gap:7px;
  font-weight:800;
  color:#334155;
}

.checkout-form input,
.checkout-form textarea,
.checkout-form select{
  border:1px solid var(--line);
  border-radius:14px;
  padding:12px;
  background:#fff;
  outline-color:var(--blue);
}

.modal-total{
  display:flex;
  justify-content:space-between;
  align-items:center;
  background:var(--blue-soft);
  border-radius:18px;
  padding:16px;
  font-weight:900;
}

.modal-total strong{
  font-size:24px;
  color:var(--blue);
}

.demo-note{
  margin:0;
  color:var(--muted);
  font-size:13px;
  text-align:center;
}

.toast{
  position:fixed;
  left:50%;
  bottom:28px;
  transform:translate(-50%,30px);
  background:var(--navy);
  color:#fff;
  padding:13px 18px;
  border-radius:999px;
  box-shadow:var(--shadow);
  opacity:0;
  z-index:200;
  transition:.25s;
  font-weight:800;
}

.toast.show{
  opacity:1;
  transform:translate(-50%,0);
}

.placeholder{
  width:100%;
  min-height:190px;
  display:grid;
  place-items:center;
  text-align:center;
  color:var(--blue);
  font-weight:900;
  background:linear-gradient(135deg,#eaf3ff,#fff);
  border:1px dashed #9cc8ff;
  border-radius:20px;
  padding:18px;
}

@media(max-width:1050px){
  .site-header{
    flex-wrap:wrap;
  }

  .nav-links{
    order:3;
    width:100%;
    justify-content:center;
  }

  .hero,
  .config-grid,
  .about{
    grid-template-columns:1fr;
  }

  .product-grid,
  .bundle-grid{
    grid-template-columns:repeat(2,1fr);
  }

  .hero{
    min-height:auto;
  }

  .hero-media{
    min-height:420px;
  }

  .section-heading.split{
    display:block;
  }

  .header-actions{
    flex-wrap:wrap;
    justify-content:flex-end;
  }

  .search-box{
    min-width:150px;
  }
}

@media(max-width:680px){
  .top-banner{
    font-size:12px;
  }

  .site-header{
    padding:12px 4%;
  }

  .brand{
    font-size:22px;
  }

  .nav-links{
    overflow:auto;
    justify-content:flex-start;
  }

  .header-actions{
    width:100%;
    justify-content:space-between;
  }

  .search-box{
    order:5;
    width:100%;
  }

  .hero{
    padding:44px 4%;
  }

  .hero h1{
    font-size:44px;
  }

  .hero p{
    font-size:16px;
  }

  .features,
  .product-grid,
  .bundle-grid{
    grid-template-columns:1fr;
  }

  .section{
    padding:54px 4%;
  }

  .gallery-card > img{
    height:300px;
  }

  .about,
  .checkout-preview{
    padding:24px;
  }

  .checkout-preview{
    display:grid;
  }

  .about-text h2,
  .checkout-preview h2{
    font-size:32px;
  }

  .form-grid{
    grid-template-columns:1fr;
  }

  .footer{
    display:grid;
  }

  .floating-card{
    display:none;
  }
}