:root{
  --bg: #0b0c10;
  --panel: rgba(255,255,255,0.06);
  --text: rgba(255,255,255,0.92);
  --muted: rgba(255,255,255,0.68);
  --line: rgba(255,255,255,0.12);
  --accent: #ffffff;
  --max: 1040px;
  --radius: 18px;
}

*{ box-sizing: border-box; }
html, body{ height: 100%; }
body{
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  background: radial-gradient(1200px 800px at 60% 10%, rgba(255,255,255,0.10), transparent 60%),
              radial-gradient(900px 600px at 10% 60%, rgba(255,255,255,0.06), transparent 60%),
              var(--bg);
  color: var(--text);
  line-height: 1.5;
  letter-spacing: 0.2px;
}

a{ color: inherit; text-decoration: none; }
a:hover{ opacity: 0.88; }

.container{
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto;
}

header{
  position: sticky;
  top: 0;
  backdrop-filter: blur(10px);
  background: rgba(11,12,16,0.55);
  border-bottom: 1px solid var(--line);
  z-index: 10;
}

.nav{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
  gap: 16px;
}

.brand{
  font-weight: 650;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  font-size: 13px;
}

.navlinks{
  display: flex;
  gap: 18px;
  align-items: center;
}

.navlinks a{
  font-size: 14px;
  color: var(--muted);
}

.navlinks a.active{
  color: var(--text);
  padding-bottom: 2px;
  border-bottom: 1px solid var(--text);
}

main{ padding: 64px 0 72px; }

.hero{
  padding: 44px 0 32px;
}

.kicker{
  color: var(--muted);
  font-size: 14px;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  margin: 0 0 14px;
}

h1{
  margin: 0 0 14px;
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1.08;
  letter-spacing: -0.8px;
}

.lede{
  margin: 0 0 26px;
  color: var(--muted);
  font-size: 18px;
  max-width: 64ch;
}

.actions{
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}

.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text);
  font-weight: 600;
  font-size: 14px;
}

.btn.primary{
  background: var(--accent);
  color: #0b0c10;
  border-color: transparent;
}

.btn:hover{ transform: translateY(-1px); }
.btn:active{ transform: translateY(0px); }

.grid{
  margin-top: 36px;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 14px;
}

.card{
  grid-column: span 4;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
}

.card h3{
  margin: 0 0 8px;
  font-size: 16px;
  letter-spacing: -0.2px;
}

.card p{
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.section{
  margin-top: 54px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 14px;
}

.section .left{
  grid-column: span 4;
}

.section .right{
  grid-column: span 8;
}

h2{
  margin: 0 0 10px;
  font-size: 22px;
  letter-spacing: -0.3px;
}

p{
  margin: 0 0 14px;
  color: var(--muted);
}

ul.clean{
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}

.li{
  padding: 14px 16px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.04);
  border-radius: var(--radius);
}

.li strong{
  display: block;
  color: var(--text);
  margin-bottom: 4px;
}

form{
  display: grid;
  gap: 12px;
  max-width: 560px;
}

label{
  display: grid;
  gap: 6px;
  font-size: 14px;
  color: var(--muted);
}

input, textarea{
  width: 100%;
  padding: 12px 12px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.04);
  color: var(--text);
  font-size: 14px;
  outline: none;
}

textarea{ min-height: 140px; resize: vertical; }

small.help{
  color: rgba(255,255,255,0.55);
}

footer{
  border-top: 1px solid var(--line);
  padding: 22px 0;
  color: rgba(255,255,255,0.55);
  font-size: 13px;
}

@media (max-width: 860px){
  .card{ grid-column: span 12; }
  .section .left{ grid-column: span 12; }
  .section .right{ grid-column: span 12; }
}