:root{
  --vis-blue:#1E90FF;
  --vis-green:#28A745;
  --vis-dark:#0E1A2B;
  --vis-muted:#667085;
  --vis-bg:#0b1220;
  --vis-card:#0f1b31;
  --radius-2xl:1.25rem;
  --shadow-lg:0 10px 25px rgba(0,0,0,.25);
  --shadow-md:0 8px 20px rgba(0,0,0,.18);
}

html,body{scroll-behavior:smooth;}
body{
  font-family: 'Poppins', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background:#0a1020;
  color:#e8eefc;
}

a{color:var(--vis-blue);}
a:hover{color:var(--vis-green);text-decoration:none;}

.navbar{
  transition:all .3s ease;
  padding:1rem 0;
  background:transparent;
}
.navbar.scrolled{
  background:rgba(10,16,32,.85);
  backdrop-filter:saturate(160%) blur(10px);
  box-shadow:var(--shadow-md);
}
.navbar-brand img{height:38px;}
.nav-link{
  position:relative;
  margin:0 .5rem;
  color:#e8eefc !important;
}
.nav-link:after{
  content:"";
  position:absolute; left:0; right:0; bottom:-6px;
  height:2px; width:0; margin:auto; background:linear-gradient(90deg,var(--vis-blue),var(--vis-green));
  transition:width .25s ease;
}
.nav-link:hover:after{width:100%;}
.btn-cta{
  background:linear-gradient(90deg,var(--vis-blue),var(--vis-green));
  border:none; color:white; font-weight:600; padding:.6rem 1rem; border-radius:999px;
  box-shadow:0 8px 22px rgba(30,144,255,.28);
}
.btn-cta:hover{transform:translateY(-1px); box-shadow:0 10px 28px rgba(30,144,255,.36);}

.hero{
  position:relative;
  min-height:86vh;
  display:flex; align-items:center;
  background:
    radial-gradient(1200px 600px at 85% -10%, rgba(30,144,255,.25), transparent 60%),
    radial-gradient(900px 400px at 10% 10%, rgba(40,167,69,.18), transparent 60%),
    linear-gradient(180deg, #0b1429 0%, #0a1020 60%);
  overflow:hidden;
}
.hero .orb{
  position:absolute; filter:blur(45px); opacity:.45; mix-blend:screen;
}
.orb.blue{ width:380px; height:380px; background:#1e90ff; right:-120px; top:-80px; border-radius:50%;}
.orb.green{ width:280px; height:280px; background:#28a745; left:-100px; bottom:-80px; border-radius:50%;}
.hero h1{
  font-weight:800; letter-spacing:.2px; line-height:1.1;
  font-size: clamp(2rem, 3.5vw + .5rem, 3.5rem);
}
.hero p{ color:#c3cbe0; max-width:680px; margin-top:1rem; font-size:1.05rem;}
.hero .actions{gap:.75rem; margin-top:1.25rem;}
.btn-outline{
  border:2px solid rgba(255,255,255,.18);
  color:#e8eefc; background:transparent; border-radius:999px; padding:.6rem 1rem; font-weight:600;
}
.btn-outline:hover{border-color:transparent; background:rgba(255,255,255,.08);}

.section{
  padding:80px 0;
  background:transparent;
}
.section-title{
  margin-bottom:1.5rem;
}
.section-title span{
  display:inline-block; font-size:.85rem; letter-spacing:.18em; text-transform:uppercase; color:#9fb1d9;
}
.section-title h2{
  font-weight:800; margin: .25rem 0 .5rem;
}
.section-title p{color:#c3cbe0; max-width:760px;}

.card-grid{
  display:grid; gap:22px;
  grid-template-columns:repeat(12, minmax(0,1fr));
}
.card{ background:linear-gradient(180deg, #0f1b31, #0b1429); border:1px solid rgba(255,255,255,.05); border-radius:var(--radius-2xl); padding:24px; box-shadow:var(--shadow-md); transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;}
.card:hover{ transform:translateY(-4px); box-shadow:var(--shadow-lg); border-color:rgba(30,144,255,.35);}
.card .icon{
  width:52px; height:52px; display:grid; place-items:center; border-radius:14px;
  background:linear-gradient(135deg, rgba(30,144,255,.18), rgba(40,167,69,.18));
  margin-bottom:14px;
}
.card h4{ margin:10px 0 6px; font-weight:700;}
.card p{ color:#c8d1e6;}

.cols-3 > *{ grid-column:span 12;}
@media(min-width:768px){ .cols-3 > *{ grid-column:span 6;} }
@media(min-width:992px){ .cols-3 > *{ grid-column:span 4;} }

.pricing .price{
  font-size:2rem; font-weight:800; margin:.25rem 0 1rem; background:linear-gradient(90deg,var(--vis-blue),var(--vis-green)); -webkit-background-clip:text; background-clip:text; color:transparent;
}
.pricing ul{ list-style:none; padding-left:0; margin:0;}
.pricing li{ margin:.35rem 0; color:#c3cbe0;}
.pricing li i{ margin-right:.5rem; color:#7fd39b;}

.testimonial{
  background:linear-gradient(180deg, #0f1b31, #0b1429);
  border:1px solid rgba(255,255,255,.06);
  border-radius:var(--radius-2xl);
  padding:28px;
  box-shadow:var(--shadow-md);
}
.testimonial .who{ display:flex; align-items:center; gap:12px; margin-top:14px; color:#c8d1e6;}
.avatar{ width:44px; height:44px; border-radius:50%; background:linear-gradient(135deg, #1e90ff, #28a745); display:inline-block;}

footer{
  padding:60px 0 20px;
  background:#070c18;
  border-top:1px solid rgba(255,255,255,.06);
}
.footer-title{ font-weight:700; margin-bottom:14px;}
.footer-list{ list-style:none; padding:0; margin:0;}
.footer-list li{ margin:.4rem 0; color:#c3cbe0;}
.footer-list a{ color:#c3cbe0;}
.footer-list a:hover{ color:white;}

.to-top{
  position:fixed; right:22px; bottom:22px; z-index:20;
  width:44px; height:44px; display:grid; place-items:center;
  border-radius:999px; border:1px solid rgba(255,255,255,.18);
  background:rgba(10,16,32,.6);
  backdrop-filter: blur(8px);
}