:root{
  --bg: #ffffff;
  --bg-2: #f6f8ff;
  --text: #141a27;
  --muted: #51607a;
  --brand: #0b57d0;
  --brand-2:#7ab0ff;
  --card:#ffffff;
  --line:#e6ebf5;
  --ring: #0b57d044;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif;
  color:var(--text);
  background: linear-gradient(180deg, var(--bg) 0, var(--bg-2) 100%);
}
img{max-width:100%;height:auto}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:1120px;margin:auto;padding:0 1rem}
.skip-link{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}
.skip-link:focus{left:1rem;top:1rem;width:auto;height:auto;background:#000;color:#fff;padding:.5rem 1rem;border-radius:.5rem}

.site-header{position:sticky;top:0;background:rgba(255,255,255,.86);backdrop-filter:blur(10px);z-index:50;border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:64px}
.brand{display:inline-flex;align-items:center;gap:.6rem;font-weight:700;color:#111}
.brand img{filter:drop-shadow(0 0 4px #9cc2ff77)}
.menu{display:flex;align-items:center;gap:1rem}
.menu a{padding:.6rem .8rem;border-radius:.6rem}
.menu .btn{background:linear-gradient(90deg,var(--brand),var(--brand-2));color:#fff;font-weight:700}
.menu .btn:hover{text-decoration:none;filter:brightness(1.05)}
.burger{display:none;flex-direction:column;gap:4px;background:none;border:0;cursor:pointer}
.burger span{display:block;width:26px;height:2px;background:#0b57d0}

.hero{display:grid;grid-template-columns:1.2fr .8fr;gap:2rem;align-items:center;min-height:70vh;padding:4rem 1rem}
.hero h1{font-size:clamp(1.8rem,3vw,3rem);margin:.25rem 0 1rem}
.hero p{color:var(--muted);max-width:58ch}
.hero .cta{display:flex;gap:1rem;margin:1.25rem 0 1rem}
.btn{display:inline-block;padding:.9rem 1.1rem;border-radius:.9rem;border:1px solid var(--line);background:#fff;color:#0b1b45;font-weight:600;box-shadow:0 6px 20px #0001}
.btn.ghost{background:#f5f8ff;border-color:var(--line)}
.btn.primary{background:linear-gradient(90deg,var(--brand),var(--brand-2));color:#fff;border-color:transparent}
.btn.small{padding:.55rem .8rem}
.hero-bullets{display:grid;grid-template-columns:repeat(3,1fr);gap:.75rem;margin-top:.5rem}
.hero-bullets li{background:#fff;border:1px solid var(--line);padding:.6rem .75rem;border-radius:.7rem;color:#223}

.section{padding:4rem 1rem}
.section-head{margin-bottom:1.5rem}
.section-head h2{font-size:1.6rem;margin:.25rem 0 .5rem}
.section-head p{color:var(--muted)}

.grid{display:grid;gap:1rem}
.features{grid-template-columns:repeat(3,1fr)}
.hardware{grid-template-columns:repeat(4,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:1rem;padding:1rem;box-shadow:0 10px 30px #0000}
.card h3{margin:.6rem 0}
.card p,.card li{color:var(--muted)}

/* Gallery Scroll */
.gallery{display:grid;gap:1rem}
.scroller{display:flex;gap:1rem;overflow:auto;scroll-snap-type:x mandatory;padding-bottom:.5rem}
.scroller::-webkit-scrollbar{height:10px}
.scroller::-webkit-scrollbar-thumb{background:#cbd7f0;border-radius:8px}
.scroller > figure{flex:0 0 auto;scroll-snap-align:start;background:#fff;border:1px solid var(--line);border-radius:1rem;overflow:hidden}
.scroller img{display:block;width:360px;height:220px;object-fit:cover}
.gallery .controls{display:flex;gap:.5rem}
.iconbtn{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:.7rem;border:1px solid var(--line);background:#fff;cursor:pointer}

/* Steps */
.steps{counter-reset:step;display:grid;gap:.6rem;max-width:70ch}
.steps li{background:#fff;border:1px solid var(--line);padding:1rem;border-radius:.8rem;list-style:none;position:relative}
.steps li::before{counter-increment:step;content:counter(step);position:absolute;left:-.75rem;top:-.75rem;background:linear-gradient(90deg,var(--brand),var(--brand-2));color:#fff;width:1.75rem;height:1.75rem;border-radius:.5rem;display:grid;place-items:center;font-weight:800;border:1px solid #fff}

/* Comparison table */
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:1rem;background:#fff}
table{border-collapse:collapse;width:100%;min-width:760px}
th,td{padding:.9rem 1rem;border-bottom:1px solid var(--line);text-align:left}
th{background:#f3f6ff}
tr:last-child td{border-bottom:0}
.badge{display:inline-block;padding:.25rem .5rem;border-radius:.5rem;background:#e9f2ff;color:#0b57d0;font-weight:700;font-size:.85rem}

.contact .form-grid{grid-template-columns:repeat(2,1fr)}
label{display:grid;gap:.4rem;font-weight:600}
input,textarea{background:#fff;border:1px solid var(--line);border-radius:.7rem;color:#0b1b45;padding:.8rem .9rem;outline:0}
input:focus,textarea:focus{border-color:var(--brand);box-shadow:0 0 0 4px var(--ring)}
.hp{display:none}
.muted{color:var(--muted)}

.site-footer{border-top:1px solid var(--line);margin-top:2rem;padding:2rem 0;background:#fff}
.footer-grid{display:grid;grid-template-columns:1fr auto;gap:1rem;align-items:start}
.footer-grid nav{display:grid;gap:.5rem;grid-auto-flow:row}
.tiny{font-size:.9rem;color:#6b7790;border-top:1px solid var(--line);padding-top:1rem;margin-top:1rem}

@media (max-width: 960px){
  .hero{grid-template-columns:1fr;gap:1.5rem}
  .features{grid-template-columns:1fr 1fr}
  .hardware{grid-template-columns:1fr 1fr}
  .hero-bullets{grid-template-columns:1fr;gap:.5rem}
}
@media (max-width: 640px){
  .menu{display:none;position:absolute;top:64px;right:1rem;background:#fff;border:1px solid var(--line);border-radius:.9rem;padding:.5rem;flex-direction:column;box-shadow:0 10px 30px #0002}
  .menu a{display:block;padding:.7rem .9rem}
  .burger{display:flex}
  .contact .form-grid{grid-template-columns:1fr}
}