:root{
  --red:#00bfff;
  --blue:#1e90ff;
  --bg-gradient: linear-gradient(135deg, #2e2e2e 0%, #1f1f1f 30%, #121212 70%, #0a0a0a 100%);
  --card-bg: rgba(30,30,30,0.95);
  --glass: rgba(255,255,255,0.06);
  --muted:#999999;
  --text-color: #ccc;
  --btn-text: #ddd;
  --btn-bg-light: rgba(255,255,255,0.1);
}

*{box-sizing:border-box}
body{
  margin:0;
  font-family:'Tajawal',system-ui,Arial;
  background: var(--bg-gradient);
  min-height:100vh;
  color: var(--text-color);
  display:flex;
  align-items:center;
  justify-content:center;
  padding:24px;
}

.container{display:grid; grid-template-columns: 420px 1fr; gap:28px; width:100%; max-width:1100px;}

/* Hero / Marketing */
.hero{
  background: rgba(20,20,20,0.85);
  border-radius:18px;
  padding:28px;
  color: var(--text-color);
  position:relative;
  overflow:hidden;
  box-shadow:0 10px 30px rgba(0,0,0,0.9);
  display:flex;
  flex-direction:column;
  justify-content:space-between;
}

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

.badge{
  width:56px; height:56px;
  border-radius:12px;
  background: linear-gradient(135deg, #444, #222);
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight:900;
  color:var(--red);
  box-shadow: 0 6px 18px rgba(0,0,0,0.6);
}

.hero h1{
  margin:8px 0 6px;
  font-size:22px;
  font-weight:800;
  color: var(--btn-text);
}

.hero p.lead{
  margin:0 0 16px;
  color: rgba(204,204,204,0.8);
}

.features{display:grid; gap:12px}
.feature{display:flex; gap:12px; align-items:center}
.feature .dot{
  width:10px; height:10px;
  background: var(--btn-text);
  border-radius:50%;
}

.cta{
  display:flex; gap:12px; margin-top:18px;
}

.btn-cta{
  background: var(--btn-bg-light);
  color: var(--btn-text);
  padding:10px 14px;
  border-radius:10px;
  text-decoration:none;
  font-weight:700;
  border: 1px solid rgba(255,255,255,0.2);
  transition: background-color 0.3s ease;
}

.btn-cta:hover {
  background: var(--red);
  color: white;
  border-color: var(--red);
}

/* Card */
.card{
  background: var(--card-bg);
  border-radius:18px;
  padding:22px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.8);
  color: var(--text-color);
}

.tabs{
  display:flex;
  gap:10px;
  margin-bottom:18px;
}

.tab{
  flex:1;
  text-align:center;
  padding:10px 12px;
  border-radius:12px;
  cursor:pointer;
  font-weight:700;
  background: transparent;
  color: var(--muted);
  border: 1px solid transparent;
  transition: all 0.3s ease;
}

.tab.active{
  background: var(--red);
  color: white;
  border-color: var(--red);
}

form{
  display:flex;
  flex-direction:column;
  gap:12px;
}

label{
  font-size:13px;
  color: var(--muted);
}

input[type="text"], input[type="email"], input[type="password"]{
  padding:12px 14px;
  border-radius:10px;
  border:1px solid #555;
  background: #222;
  outline:none;
  font-size:15px;
  color: var(--text-color);
  transition: border-color 0.3s ease;
}

input[type="text"]:focus, input[type="email"]:focus, input[type="password"]:focus {
  border-color: var(--red);
  background: #333;
}

.row{display:flex; gap:12px}
.small{font-size:13px; color: var(--muted)}

.submit{
  background: var(--red);
  color:white;
  border:none;
  padding:12px;
  border-radius:12px;
  font-weight:800;
  cursor:pointer;
  transition: background-color 0.3s ease;
}

.submit:hover{
  background: #ff5a5a;
}

.muted{
  color: var(--muted);
  font-size:13px;
}

.or{
  display:flex;
  align-items:center;
  gap:12px;
  margin:6px 0;
}

.or div{
  height:1px;
  background:#555;
  flex:1;
}

.footer-note{
  font-size:13px;
  color: var(--muted);
  margin-top:8px;
}

/* Password strength */
.strength{
  height:8px;
  border-radius:8px;
  background:#444;
  overflow:hidden;
}

.strength > span{
  display:block;
  height:100%;
  width:0%;
  transition:width 300ms ease;
}

/* responsive */
@media (max-width:880px){
  .container{grid-template-columns:1fr;}
  .hero{order:2}
}