/* VB-ONE Login / Landing visual refinement */
:root{
  --vb-green-950:#004d3a;
  --vb-green-900:#00664d;
  --vb-green-800:#00785a;
  --vb-green-700:#008a66;
  --vb-green-500:#19b77b;
  --vb-lime:#8be34f;
  --vb-mint:#dff7ec;
  --vb-white:#ffffff;
  --vb-ink:#12352d;
  --vb-muted:#d7eee5;
  --vb-line:rgba(255,255,255,.18);
  --vb-shadow:0 18px 50px rgba(0,48,35,.16);
}

.vbone-landing{
  color:var(--vb-white);
  background:
    radial-gradient(circle at 85% 8%, rgba(139,227,79,.16), transparent 28%),
    radial-gradient(circle at 15% 25%, rgba(25,183,123,.18), transparent 30%),
    linear-gradient(145deg,var(--vb-green-950),var(--vb-green-800));
}

.vbone-landing .feature-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:14px;
  margin-top:28px;
}

.vbone-landing .feature-card{
  min-height:156px;
  padding:20px;
  border:1px solid var(--vb-line);
  border-radius:18px;
  background:rgba(255,255,255,.075);
  box-shadow:0 10px 30px rgba(0,0,0,.08);
  backdrop-filter:blur(4px);
  transition:transform .2s ease,background .2s ease,border-color .2s ease;
}

.vbone-landing .feature-card:hover{
  transform:translateY(-3px);
  background:rgba(255,255,255,.11);
  border-color:rgba(255,255,255,.28);
}

.vbone-landing .feature-icon{
  width:48px;
  height:48px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:14px;
  background:rgba(255,255,255,.96);
  color:var(--vb-green-800);
  font-size:21px;
  box-shadow:0 8px 20px rgba(0,0,0,.10);
  margin-bottom:16px;
}

.vbone-landing .feature-title{
  margin:0 0 6px;
  color:#fff !important;
  font-size:16px;
  line-height:1.25;
  font-weight:800;
  letter-spacing:-.01em;
}

.vbone-landing .feature-desc{
  margin:0;
  color:#dff7ec !important;
  font-size:13px;
  line-height:1.45;
}

.vbone-landing .quote-box{
  margin-top:42px;
  padding:24px 28px;
  border-left:3px solid var(--vb-lime);
  border-radius:0 18px 18px 0;
  background:rgba(0,0,0,.10);
}

.vbone-landing .quote-box p{
  color:#fff !important;
  margin:0 0 10px;
  font-size:16px;
  line-height:1.7;
}

.vbone-landing .quote-box strong{
  color:#fff !important;
}

@media(max-width:900px){
  .vbone-landing .feature-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}

@media(max-width:520px){
  .vbone-landing .feature-grid{grid-template-columns:1fr 1fr;gap:10px;}
  .vbone-landing .feature-card{min-height:142px;padding:15px;border-radius:15px;}
  .vbone-landing .feature-icon{width:42px;height:42px;border-radius:12px;margin-bottom:12px;font-size:18px;}
  .vbone-landing .feature-title{font-size:14px;}
  .vbone-landing .feature-desc{font-size:12px;}
  .vbone-landing .quote-box{margin-top:28px;padding:18px 18px;}
}