:root{
  --bg: #07090d;
  --panel: #0e1320;
  --panel2:#0b101a;
  --text: #eaf0ff;
  --muted: rgba(234,240,255,.72);
  --line: rgba(234,240,255,.10);
  --accent: #55ff9a;
  --accent2:#5da8ff;
  --radius: 20px;
}

*{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;
  background: radial-gradient(1200px 800px at 20% 10%, rgba(93,168,255,.18), transparent 55%),
              radial-gradient(900px 700px at 80% 30%, rgba(85,255,154,.14), transparent 55%),
              var(--bg);
  color: var(--text);
}

/* Layout */
.shell{
  min-height:100vh;
  display:grid;
  grid-template-columns: 260px 1fr;
}

/* Sidebar */
.sidebar{
  padding:22px 18px;
  border-right: 1px solid var(--line);
  position:sticky;
  top:0;
  height:100vh;
  background: linear-gradient(180deg, rgba(14,19,32,.85), rgba(14,19,32,.55));
  backdrop-filter: blur(10px);
}

.logo{
  display:flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
  color: var(--text);
  font-weight: 900;
  letter-spacing: .6px;
}
.badge{
  width:40px;height:40px;
  display:grid;place-items:center;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(85,255,154,.18), rgba(93,168,255,.16));
  border: 1px solid rgba(234,240,255,.16);
  font-size: 12px;
}

.nav{
  margin-top:18px;
  display:grid;
  gap:8px;
}
.nav a{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:12px 12px;
  border-radius: 14px;
  text-decoration:none;
  color: rgba(234,240,255,.84);
  border: 1px solid transparent;
  background: rgba(255,255,255,.03);
  transition: 150ms ease;
  font-weight: 700;
}
.nav a:hover{
  border-color: rgba(234,240,255,.14);
  background: rgba(255,255,255,.06);
}
.nav a.active{
  border-color: rgba(85,255,154,.35);
  background: rgba(85,255,154,.10);
  color: var(--text);
}
.nav small{
  color: rgba(234,240,255,.55);
  font-weight: 800;
}

/* Sidebar meta */
.meta{
  margin-top:16px;
  padding:14px;
  border-radius: 16px;
  border:1px solid rgba(234,240,255,.12);
  background: rgba(255,255,255,.03);
  color: rgba(234,240,255,.75);
  font-size: 13px;
  line-height: 1.5;
}
.dot{
  display:inline-block;
  width:9px;height:9px;border-radius:999px;
  background: var(--accent);
  box-shadow: 0 0 18px rgba(85,255,154,.35);
  margin-right:8px;
}

/* Main */
.main{
  padding:22px 22px 60px;
}

.topbar{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  padding:14px 16px;
  border-radius: 18px;
  border:1px solid rgba(234,240,255,.10);
  background: rgba(255,255,255,.03);
}
.topbar .pill{
  font-size:12px;
  letter-spacing:.12em;
  text-transform: uppercase;
  color: rgba(234,240,255,.72);
}
.topbar .cta{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}

/* Buttons */
.btn{
  border-radius: 14px;
  padding:11px 14px;
  font-weight: 900;
  border: 1px solid transparent;
  text-decoration:none;
  display:inline-flex;
  align-items:center;
  gap:10px;
  transition: 150ms ease;
}
.btn.primary{
  background: linear-gradient(135deg, rgba(85,255,154,.95), rgba(93,168,255,.85));
  color:#07110b;
}
.btn.primary:hover{transform: translateY(-1px)}
.btn.ghost{
  border-color: rgba(234,240,255,.14);
  background: rgba(255,255,255,.03);
  color: var(--text);
}
.btn.ghost:hover{background: rgba(255,255,255,.06)}

/* Hero (completely different structure) */
.hero{
  margin-top:16px;
  border-radius: 26px;
  overflow:hidden;
  border:1px solid rgba(234,240,255,.12);
  background: var(--panel);
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  min-height: 420px;
}

.hero-copy{
  padding:34px;
}
.kicker{
  font-size:12px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color: rgba(234,240,255,.72);
  margin:0 0 14px;
}
h1{
  margin:0 0 12px;
  font-size: clamp(34px, 4vw, 62px);
  line-height: 1.02;
}
.lead{
  margin:0 0 18px;
  max-width: 60ch;
  color: var(--muted);
  line-height: 1.65;
  font-size: 16px;
}

.hero-panel{
  position:relative;
  background: var(--panel2);
}
.hero-panel::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url("demo-hero.jpg");
  background-size:cover;
  background-position:center;
  opacity:.85;
  filter: contrast(1.05) saturate(1.1);
}
.hero-panel::after{
  content:"";
  position:absolute;
  inset:0;
  background: linear-gradient(135deg, rgba(7,9,13,.10), rgba(7,9,13,.70));
}
.hero-panel > *{position:relative; z-index:1}

.stats{
  position:absolute;
  left:18px;
  right:18px;
  bottom:18px;
  display:grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap:10px;
}
.stat{
  border:1px solid rgba(234,240,255,.12);
  background: rgba(7,9,13,.45);
  backdrop-filter: blur(8px);
  border-radius: 16px;
  padding:12px;
}
.stat strong{display:block;font-size:18px}
.stat span{display:block;color:rgba(234,240,255,.72);font-size:12px;margin-top:2px}

/* Sections */
.grid{
  margin-top:16px;
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:12px;
}

.block{
  border:1px solid rgba(234,240,255,.12);
  background: rgba(255,255,255,.03);
  border-radius: 22px;
  padding:22px;
}
.block h2{
  margin:0 0 8px;
  font-size: 20px;
}
.block p{margin:0;color:var(--muted);line-height:1.65}
.list{
  margin:10px 0 0;
  padding-left:18px;
  color: var(--muted);
  line-height: 1.8;
}
.list li{margin:4px 0}

/* Big angled callout */
.callout{
  margin-top:16px;
  border-radius: 26px;
  border:1px solid rgba(234,240,255,.12);
  overflow:hidden;
  background: linear-gradient(135deg, rgba(85,255,154,.12), rgba(93,168,255,.10));
}
.callout-inner{
  padding:22px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
}
.callout h2{margin:0;font-size:22px}
.callout p{margin:0;color:rgba(234,240,255,.72)}

/* Forms */
form{margin-top:10px;display:grid;gap:12px}
label{font-size:13px;color:rgba(234,240,255,.80)}
input, textarea{
  width:100%;
  padding:12px 12px;
  border-radius: 14px;
  border:1px solid rgba(234,240,255,.14);
  background: rgba(7,9,13,.45);
  color: var(--text);
  outline:none;
}
textarea{min-height:120px;resize:vertical}
input:focus, textarea:focus{border-color: rgba(85,255,154,.35)}

.footer{
  margin-top:16px;
  color: rgba(234,240,255,.55);
  font-size: 13px;
  text-align:center;
  padding: 14px;
}

.note{
  margin-top:10px;
  border:1px dashed rgba(234,240,255,.22);
  background: rgba(255,255,255,.03);
  border-radius: 18px;
  padding:12px 14px;
  color: rgba(234,240,255,.70);
  font-size: 13px;
  line-height: 1.5;
}

/* Mobile */
@media (max-width: 920px){
  .shell{grid-template-columns: 1fr}
  .sidebar{position:relative;height:auto;border-right:none;border-bottom:1px solid var(--line)}
  .hero{grid-template-columns:1fr}
  .stats{position:static;margin:18px;grid-template-columns:1fr 1fr 1fr}
  .grid{grid-template-columns:1fr}
}
@media (max-width: 520px){
  .stats{grid-template-columns:1fr}
}