:root{
  --bg: #0b1220;
  --panel: rgba(255,255,255,0.06);
  --panel2: rgba(255,255,255,0.10);
  --text: #e6edf7;
  --muted: rgba(230,237,247,0.75);
  --brand: #4fd1c5; /* teal */
  --brand2: #60a5fa; /* blue */
  --border: rgba(255,255,255,0.14);
  --shadow: 0 18px 60px rgba(0,0,0,0.45);
  --radius: 16px;
  --maxw: 1100px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Helvetica Neue", "Noto Sans", "Liberation Sans", sans-serif;
  background:
    radial-gradient(1100px 520px at 20% -10%, rgba(96,165,250,0.28), transparent 60%),
    radial-gradient(900px 520px at 100% 0%, rgba(79,209,197,0.22), transparent 55%),
    radial-gradient(1000px 720px at 30% 110%, rgba(79,209,197,0.10), transparent 55%),
    var(--bg);
  color:var(--text);
  line-height:1.55;
}

a{color:var(--brand2); text-decoration:none;}
a:hover{opacity:0.9;}

/* Layout */
.container{max-width:var(--maxw); margin:0 auto; padding: 0 20px;}
main{padding: 96px 0 56px;}

/* Top nav */
header.site-header{
  position:fixed;
  top:0; left:0; right:0;
  z-index:1000;
  background: rgba(8,14,26,0.7);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav{
  height: 64px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  min-width:0;
}
.brand img{width:26px; height:26px;}
.brand .title{font-weight:700; letter-spacing:0.2px;}
.brand .subtitle{font-size:12px; color:var(--muted); margin-top:-2px;}

.nav-links{
	margin-left:auto;
	display:flex; 
	align-items:center; 
	gap:10px; 
	flex-wrap:nowrap; 
	justify-content:flex-end;}
.nav-links a{
  color: var(--text);
  font-weight:600;
  font-size: 13px;
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid transparent;
}
.nav-links a:hover{background: rgba(255,255,255,0.06);}
.nav-links a.active{border-color: rgba(96,165,250,0.55); background: rgba(96,165,250,0.10);}

/* Hero */
.hero{
  display:grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 26px;
  align-items:center;
}
.hero h1{font-size: 40px; line-height:1.15; margin: 0 0 12px;}
.hero p{color: var(--muted); margin: 0 0 18px; font-size: 16px;}
.hero .pill-row{display:flex; gap:10px; flex-wrap:wrap; margin: 0 0 18px;}
.pill{
  display:inline-flex;
  align-items:center;
  gap: 8px;
  padding: 8px 10px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text);
  font-size: 13px;
}
.pill b{color: var(--brand);}

.cta-row{display:flex; gap:12px; flex-wrap:wrap;}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding: 11px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.06);
  color: var(--text);
  font-weight:700;
  font-size: 13px;
}
.btn.primary{
  background: linear-gradient(135deg, rgba(79,209,197,0.32), rgba(96,165,250,0.22));
  border-color: rgba(79,209,197,0.55);
}

.hero-card{
  background: linear-gradient(180deg, rgba(255,255,255,0.09), rgba(255,255,255,0.05));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow:hidden;
}
.hero-card img{width:100%; height: 320px; object-fit:cover; display:block;}
.hero-card .caption{padding: 14px 16px; color: var(--muted); font-size: 13px;}

/* Sections */
.section{margin-top: 34px;}
.section-title{font-size: 22px; margin: 0 0 14px;}
.section-lead{color: var(--muted); margin: 0 0 18px;}

.grid-3{display:grid; grid-template-columns: repeat(3, 1fr); gap: 14px;}
.grid-2{display:grid; grid-template-columns: repeat(2, 1fr); gap: 14px;}
.card{
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}
.card h3{margin: 0 0 8px; font-size: 16px;}
.card p{margin: 0; color: var(--muted); font-size: 14px;}

.list{margin:10px 0 0; padding-left: 18px; color: var(--muted);}
.list li{margin: 6px 0;}

/* Calculator */
.calc-wrap{display:grid; grid-template-columns: repeat(2, 1fr); gap: 14px;}
.form-row{display:flex; flex-direction:column; gap:6px; margin-top: 10px;}
label{font-weight:700; font-size: 13px; color: rgba(230,237,247,0.9);}
input[type="number"], input[readonly], input[type="text"]{
  width:100%;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(8,14,26,0.55);
  color: var(--text);
  outline:none;
}
input[readonly]{opacity:0.95;}

.small{font-size: 12px; color: var(--muted);}

/* Footer */
footer{
  border-top: 1px solid var(--border);
  padding: 22px 0;
  color: var(--muted);
}
.footer-row{display:flex; gap: 10px; justify-content:space-between; align-items:center; flex-wrap:wrap;}
.footer-links{display:flex; gap: 12px; flex-wrap:wrap;}

/* Responsive */
@media (max-width: 940px){
  .hero{grid-template-columns: 1fr;}
  .hero-card img{height: 280px;}
  .grid-3{grid-template-columns: 1fr;}
  .grid-2{grid-template-columns: 1fr;}
  .calc-wrap{grid-template-columns: 1fr;}
  .brand{min-width: unset;}
}