:root{
  --bg: #070b12;
  --bg2:#0a0f19;
  --line: rgba(255,255,255,.10);
  --card: rgba(255,255,255,.045);
  --card2: rgba(10,20,40,.18);
  --text: rgba(245,248,255,.92);
  --muted: rgba(245,248,255,.68);
  --muted2: rgba(245,248,255,.55);
  --blue: #2aa2ff;
  --blue2:#66c6ff;
  --shadow: 0 22px 70px rgba(0,0,0,.55);
  --r: 18px;
  --r2: 14px;
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color:var(--text);
  background: radial-gradient(1200px 700px at 65% 20%, rgba(42,162,255,.12), transparent 55%),
              radial-gradient(900px 600px at 20% 80%, rgba(102,198,255,.08), transparent 55%),
              linear-gradient(180deg, var(--bg), var(--bg2));
  overflow-x:hidden;
}

#stars{
  position:fixed;
  inset:0;
  width:100%;
  height:100%;
  z-index:-3;
}

.section{
  min-height: 100vh;
  padding: 92px 0 70px;
  position:relative;
  overflow:hidden;
}
.section::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(900px 500px at 70% 35%, rgba(42,162,255,.22), transparent 60%),
    radial-gradient(850px 600px at 25% 70%, rgba(102,198,255,.10), transparent 60%);
  opacity:.9;
  pointer-events:none;
  z-index:-2;
}
.section::after{
  content:"";
  position:absolute;
  inset:-1px;
  background:
    linear-gradient(180deg, rgba(0,0,0,.25), rgba(0,0,0,.55));
  pointer-events:none;
  z-index:-1;
}

/* optional: load section reference image as faint "nebula" layer */
.section[data-bg] .wrap{ position:relative; }
.section[data-bg]::after{ opacity:.58; }
.section[data-bg]::before{ opacity:.95; }
.section[data-bg]::marker{ content:none; }
.section[data-bg] .bgGhost{
  position:absolute;
  inset:-70px;
  background-size: cover;
  background-position: center;
  filter: blur(14px) saturate(1.1);
  opacity:.18;
  z-index:-2;
}

.wrap{
  width: min(1180px, calc(100% - 44px));
  margin: 0 auto;
}

.topbar{
  position:fixed;
  top:0; left:0; right:0;
  height:72px;
  display:flex;
  align-items:center;
  background: linear-gradient(180deg, rgba(0,0,0,.72), rgba(0,0,0,.18));
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,.08);
  z-index:50;
}
.topbarInner{ display:flex; align-items:center; justify-content:space-between; gap:18px; }
.brand{ display:flex; align-items:center; gap:10px; text-decoration:none; color:var(--text); }
.brandMark{
  width:44px; height:44px;
  display:grid; place-items:center;
  color: var(--blue);
  filter: drop-shadow(0 0 18px rgba(42,162,255,.35));
}
.brandMark svg{ width:44px; height:44px; }
.brandText{ font-weight:800; letter-spacing:.16em; font-size:20px; }

.nav{
  position:relative;
  display:flex;
  align-items:center;
  gap:28px;
  font-size:14px;
  letter-spacing:.04em;
}
.navLink{
  color: rgba(245,248,255,.78);
  text-decoration:none;
  padding: 8px 0;
  position:relative;
  transition: color .18s ease;
}
.navLink:hover{ color: rgba(245,248,255,.92); }
.navLink.active{ color: var(--blue2); }

.navGlow{
  position:absolute;
  height:2px;
  background: linear-gradient(90deg, transparent, rgba(102,198,255,.95), transparent);
  bottom:-10px;
  left:0;
  width:140px;
  transform: translateX(0);
  filter: drop-shadow(0 0 10px rgba(102,198,255,.65));
}
.navGlow::after{
  content:"";
  position:absolute;
  width:7px; height:7px;
  right:calc(50% - 3px);
  top:-3px;
  border-radius:99px;
  background: rgba(102,198,255,.95);
  box-shadow: 0 0 14px rgba(102,198,255,.8);
}

.grid2{
  display:grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 30px;
  align-items:center;
}

.copy{ padding-top: 10px; }
.h1{
  margin:0 0 18px;
  font-size: clamp(42px, 6.2vw, 74px);
  line-height: .98;
  font-weight: 800;
  letter-spacing: .02em;
  text-transform: uppercase;
}

.h2{
  margin:0;
  font-size: clamp(36px, 4.8vw, 54px);
  letter-spacing: .04em;
  text-transform: uppercase;
  font-weight: 700;
}

.lead{
  margin: 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.6;
  max-width: 520px;
}

.headline{ margin-bottom: 30px; }
.headline.center{ text-align:center; }
.sub{ margin: 10px 0 0; color: var(--muted); font-size: 16px; line-height: 1.6; }

.hero .art{ display:flex; justify-content:flex-end; }
.artImg{
  width: min(520px, 100%);
  aspect-ratio: 4 / 3;
  border-radius: 22px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(255,255,255,.09);
  background-image: url('assets/home.jpg');
  background-size: 180%;
  background-position: 78% 52%;
  opacity:.98;
  position:relative;
}
.artImg::after{
  content:"";
  position:absolute;
  inset:0;
  border-radius:22px;
  background: radial-gradient(600px 260px at 70% 40%, rgba(102,198,255,.20), transparent 55%);
  pointer-events:none;
}

.cards4{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.cards4.big{ margin-top: 30px; }
.cardsGrid{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 26px;
}

.card{
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.025));
  border: 1px solid rgba(255,255,255,.10);
  border-radius: var(--r);
  padding: 18px 18px 16px;
  box-shadow: 0 18px 60px rgba(0,0,0,.35);
  position:relative;
  overflow:hidden;
}
.card::after{
  content:"";
  position:absolute;
  inset:-1px;
  background: radial-gradient(500px 240px at 50% 0%, rgba(42,162,255,.16), transparent 58%);
  opacity:.8;
  pointer-events:none;
}
.card h3{
  margin: 12px 0 10px;
  font-size: 18px;
  letter-spacing: .02em;
}
.card ul{ margin:0; padding-left: 16px; color: var(--muted); line-height: 1.7; }
.card li{ margin: 4px 0; }

.thumb{
  height: 150px;
  border-radius: var(--r2);
  border: 1px solid rgba(255,255,255,.09);
  background:
    radial-gradient(500px 220px at 50% 0%, rgba(102,198,255,.18), transparent 55%),
    linear-gradient(180deg, rgba(10,30,60,.35), rgba(0,0,0,.25));
  box-shadow: inset 0 0 0 1px rgba(0,0,0,.12);
  overflow:hidden;
  position:relative;
}
.thumb::before{
  content:"";
  position:absolute;
  inset:0;
  background-size: 220%;
  background-position: 50% 55%;
  opacity:.70;
  filter: contrast(1.05) saturate(1.05);
}

/* set by JS: data-img -> background-image, data-pos -> background-position */

.flow{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 18px;
  padding: 26px 0 18px;
}
.step{
  width: 23%;
  min-width: 190px;
  text-align:center;
}
.iconFrame{
  width: 96px; height: 74px;
  margin: 0 auto 10px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.10);
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
  display:grid; place-items:center;
  box-shadow: 0 18px 60px rgba(0,0,0,.35);
}
.iconFrame svg{ width: 46px; height: 46px; color: rgba(102,198,255,.95); filter: drop-shadow(0 0 10px rgba(102,198,255,.5)); }
.stepTxt h4{ margin:0; font-size: 20px; font-weight: 600; }
.stepTxt p{ margin: 8px 0 0; color: var(--muted); }
.arrow{ font-size: 44px; opacity: .35; transform: translateY(-8px); }

.pillRow{ display:flex; gap: 20px; align-items:center; justify-content:center; margin-top: 26px; }
.pill{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
  color: rgba(245,248,255,.82);
}

.miniIcon{
  width: 70px; height: 54px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
  display:grid; place-items:center;
  color: rgba(102,198,255,.95);
  filter: drop-shadow(0 0 10px rgba(102,198,255,.35));
}
.miniIcon svg{ width: 38px; height: 38px; }

.tagline{
  text-align:center;
  margin-top: 22px;
  color: rgba(245,248,255,.68);
  letter-spacing: .12em;
  text-transform: uppercase;
}

.productPanel{ margin-top: 34px; }
.panelTitle{ margin: 0 0 14px; font-size: 26px; font-weight: 500; color: rgba(245,248,255,.90); text-align:center; }
.productCard{
  border-radius: 22px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.035);
  padding: 20px;
  display:grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 18px;
  box-shadow: 0 22px 70px rgba(0,0,0,.45);
}
.productArt{
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.10);
  background-image: url('assets/products.jpg');
  background-size: 170%;
  background-position: 22% 52%;
  min-height: 240px;
  opacity:.9;
}
.productName{ font-size: 44px; font-weight: 600; letter-spacing:.02em; }
.productSub{ color: rgba(245,248,255,.75); margin-top: 6px; }
.productDesc{ color: rgba(245,248,255,.70); line-height: 1.7; margin: 14px 0 0; }
.productFoot{ margin-top: 18px; color: rgba(245,248,255,.78); font-weight: 600; }

.contactGrid{
  margin-top: 26px;
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 22px;
  align-items:start;
}
.form{
  border-radius: 22px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.03);
  padding: 20px;
  box-shadow: 0 22px 70px rgba(0,0,0,.45);
}
label{ display:block; margin: 10px 0; }
label span{ display:block; font-size: 12px; color: rgba(245,248,255,.70); margin-bottom: 6px; letter-spacing:.04em; }
input, textarea{
  width:100%;
  padding: 12px 12px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.25);
  color: rgba(245,248,255,.9);
  outline:none;
}
input:focus, textarea:focus{ border-color: rgba(102,198,255,.55); box-shadow: 0 0 0 3px rgba(102,198,255,.12); }
.row2{ display:grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.btn{
  margin-top: 8px;
  width: 160px;
  height: 44px;
  border-radius: 10px;
  border: 1px solid rgba(102,198,255,.38);
  background: linear-gradient(180deg, rgba(102,198,255,.22), rgba(0,0,0,.20));
  color: rgba(245,248,255,.92);
  letter-spacing: .12em;
  font-weight: 600;
  cursor:pointer;
}
.btn:hover{ border-color: rgba(102,198,255,.60); }

.contactInfo{
  border-radius: 22px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.02);
  padding: 18px;
}
.infoRow{ display:flex; gap: 12px; align-items:flex-start; padding: 12px 6px; }
.infoIcon{
  width: 42px; height: 42px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.03);
  display:grid; place-items:center;
  color: rgba(102,198,255,.9);
}
.infoLabel{ font-weight: 600; }
.infoSmall{ color: rgba(245,248,255,.68); margin-top: 4px; line-height: 1.6; }

.footer{
  border-top: 1px solid rgba(255,255,255,.08);
  background: rgba(0,0,0,.55);
  backdrop-filter: blur(10px);
  padding: 18px 0;
}
.footerInner{ display:flex; align-items:center; justify-content:center; gap: 10px; color: rgba(245,248,255,.70); }
.footer a{ color: rgba(102,198,255,.9); text-decoration:none; }
.footer a:hover{ text-decoration:underline; }
.sep{ opacity:.5; }

/* Responsive */
@media (max-width: 1050px){
  .cards4, .cardsGrid{ grid-template-columns: repeat(2, 1fr); }
  .flow{ flex-wrap: wrap; justify-content:center; }
  .arrow{ display:none; }
  .step{ width: 46%; }
}
@media (max-width: 860px){
  .nav{ gap: 16px; }
  .grid2{ grid-template-columns: 1fr; }
  .hero .art{ justify-content:flex-start; }
  .contactGrid{ grid-template-columns: 1fr; }
  .productCard{ grid-template-columns: 1fr; }
}
@media (max-width: 620px){
  .topbar{ height:auto; padding: 10px 0; }
  .topbarInner{ flex-wrap: wrap; justify-content:center; }
  .nav{ flex-wrap: wrap; justify-content:center; }
  .navGlow{ display:none; }
  .row2{ grid-template-columns: 1fr; }
}