:root{
  --background:220 20% 97%;
  --foreground:220 25% 10%;
  --card:0 0% 100%;
  --card-foreground:220 25% 10%;
  --primary:174 72% 46%;
  --primary-foreground:220 30% 6%;
  --secondary:220 15% 92%;
  --secondary-foreground:220 25% 10%;
  --muted:220 15% 94%;
  --muted-foreground:220 10% 46%;
  --accent:265 60% 55%;
  --accent-foreground:0 0% 100%;
  --destructive:0 84% 60%;
  --destructive-foreground:0 0% 100%;
  --border:220 15% 88%;
  --input:220 15% 88%;
  --ring:174 72% 46%;
  --phantom-warning:38 92% 50%;
  --phantom-success:152 69% 45%;
  --shadow-soft:0 20px 60px rgba(15,23,42,.08);
  --shadow-strong:0 24px 80px rgba(15,23,42,.18);
}

body.dark{
  --background:220 30% 6%;
  --foreground:210 20% 92%;
  --card:220 25% 10%;
  --card-foreground:210 20% 92%;
  --secondary:220 20% 16%;
  --secondary-foreground:210 20% 92%;
  --muted:220 20% 16%;
  --muted-foreground:215 15% 55%;
  --destructive:0 62% 30%;
  --destructive-foreground:0 0% 100%;
  --border:220 20% 18%;
  --input:220 20% 18%;
  --shadow-soft:0 20px 60px rgba(0,0,0,.28);
  --shadow-strong:0 32px 100px rgba(0,0,0,.4);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Inter',sans-serif;
  color:hsl(var(--foreground));
  background:
    radial-gradient(ellipse at 20% 12%, hsl(var(--primary) / .12) 0%, transparent 42%),
    radial-gradient(ellipse at 78% 10%, hsl(var(--accent) / .12) 0%, transparent 40%),
    radial-gradient(ellipse at 50% 76%, hsl(var(--primary) / .06) 0%, transparent 50%),
    hsl(var(--background));
  transition:background .25s ease,color .25s ease;
}

a{color:inherit}
img{max-width:100%;display:block}
button,input,textarea{font:inherit}
button{cursor:pointer}

.container{width:min(1180px,calc(100% - 32px));margin:0 auto}
.mono{font-family:'JetBrains Mono',monospace}

.glass{
  background:hsl(var(--card) / .62);
  backdrop-filter:blur(18px);
  border:1px solid hsl(var(--border) / .55);
  box-shadow:var(--shadow-soft);
}

.glass-strong{
  background:hsl(var(--card) / .82);
  backdrop-filter:blur(24px);
  border:1px solid hsl(var(--border) / .65);
  box-shadow:var(--shadow-strong);
}

.text-gradient-primary{
  background:linear-gradient(135deg,hsl(var(--primary)),hsl(var(--accent)));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}

.section-padding{padding:96px 0}

.section-intro{
  text-align:center;
  margin-bottom:56px;
}

.section-intro .eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  letter-spacing:.18em;
  text-transform:uppercase;
  font-weight:700;
  color:hsl(var(--primary));
  margin-bottom:14px;
}

.section-intro h2{
  margin:0 0 14px;
  font-size:clamp(34px,5vw,56px);
  line-height:1.04;
  font-weight:900;
}

.section-intro p{
  margin:0 auto;
  max-width:660px;
  color:hsl(var(--muted-foreground));
  line-height:1.8;
  font-size:15px;
}

.icon-shell{
  width:44px;
  height:44px;
  border-radius:14px;
  background:hsl(var(--primary) / .12);
  color:hsl(var(--primary));
  display:inline-flex;
  align-items:center;
  justify-content:center;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:14px 22px;
  border-radius:16px;
  border:1px solid transparent;
  text-decoration:none;
  font-size:15px;
  font-weight:700;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease,background .2s ease;
}

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

.btn-primary{
  color:hsl(var(--primary-foreground));
  background:hsl(var(--primary));
  box-shadow:0 0 40px -10px hsl(var(--primary) / .4),0 0 80px -20px hsl(var(--primary) / .2);
}

.btn-secondary{
  color:hsl(var(--foreground));
  background:transparent;
  border-color:hsl(var(--border) / .7);
}

.hidden{display:none!important}
.portal-link{word-break:break-all;color:hsl(var(--primary));text-decoration:none}

@keyframes pulseGlow{
  0%,100%{transform:scale(1);opacity:.6}
  50%{transform:scale(1.12);opacity:1}
}

@keyframes tunnelFlow{
  0%{transform:translateX(-12%)}
  100%{transform:translateX(12%)}
}