:root{
  --bg: #0b1020;
  --panel: rgba(255,255,255,0.06);
  --panel2: rgba(255,255,255,0.08);
  --text: rgba(255,255,255,0.92);
  --muted: rgba(255,255,255,0.70);
  --border: rgba(255,255,255,0.10);
  --primary: #4FC3F7;
  --primary2: #8A7DFF;
  --shadow: 0 14px 40px rgba(0,0,0,0.35);
  --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, Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(900px 450px at 20% -10%, rgba(79,195,247,0.25), transparent 60%),
    radial-gradient(900px 450px at 90% 0%, rgba(138,125,255,0.22), transparent 60%),
    linear-gradient(180deg, #070a14 0%, var(--bg) 55%, #070a14 100%);
}

a{ color: inherit; text-decoration: none; }
a:hover{ opacity: 0.92; }

.container{
  width: min(980px, calc(100% - 32px));
  margin: 0 auto;
}

.top{
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(14px);
  background: rgba(7,10,20,0.65);
  border-bottom: 1px solid var(--border);
}

.top .container{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 16px;
}

.brand{
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 240px;
}

.logo{
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-weight: 800;
  color: #081018;
  background: linear-gradient(135deg, var(--primary), var(--primary2));
  box-shadow: var(--shadow);
}

.brand-title{
  font-weight: 800;
  letter-spacing: 0.2px;
}

.brand-subtitle{
  font-size: 13px;
  color: var(--muted);
  margin-top: 2px;
}

.nav{
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav-link{
  font-size: 13px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
  border-radius: 999px;
}

.hero{
  padding: 38px 0 18px;
}

.hero h1{
  font-size: clamp(28px, 4vw, 40px);
  margin: 0 0 10px;
}

.hero p{
  color: var(--muted);
  margin: 0 0 18px;
  line-height: 1.5;
  max-width: 720px;
}

.hero-actions{
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.card{
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
  margin: 14px 0;
}

.app-header{
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 10px;
}

.app-icon{
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: var(--panel2);
  border: 1px solid var(--border);
}

.app-title h2{
  margin: 0;
  font-size: 22px;
}

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

.grid-2{
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 14px;
}

h3{
  margin: 8px 0 10px;
  font-size: 14px;
  letter-spacing: 0.2px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.82);
}

ul{
  margin: 0;
  padding-left: 18px;
  color: rgba(255,255,255,0.86);
  line-height: 1.55;
}

.links{
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
  font-weight: 650;
  font-size: 14px;
}

.btn.primary{
  border: none;
  color: #081018;
  background: linear-gradient(135deg, var(--primary), var(--primary2));
}

.footer{
  padding: 20px 0 34px;
  text-align: center;
  opacity: 0.95;
}

@media (max-width: 820px){
  .grid-2{ grid-template-columns: 1fr; }
  .brand{ min-width: 0; }
}