:root{
  --cyan:#00eaff;
  --bg-dark:#000814;
  --bg-deep:#001d3d;
  --panel:rgba(255,255,255,.05);
  --border:rgba(0,234,255,.2);
  --text:#d6d6d6;
}

*{
  box-sizing:border-box;
}

html,body{
  margin:0;
  padding:0;
  font-family:'JetBrains Mono', monospace;
  color:var(--text);
  scroll-behavior:smooth;
  overflow-x:hidden;
  background: radial-gradient(circle at center, var(--bg-deep) 0%, var(--bg-dark) 100%);
}

/* MATRIX */

#matrix{
  position:fixed;
  top:0;
  left:0;
  width:100%;
  height:100%;
  z-index:1;
  pointer-events:none;
  opacity:0.6;
}

.content-overlay{
  position:relative;
  z-index:10;
}

/* NAV */

nav{
  position:fixed;
  top:0;
  width:100%;
  z-index:1000;

  display:flex;
  justify-content:space-between;
  align-items:center;

  padding:16px 6%;

  border-bottom:1px solid var(--border);

  backdrop-filter:blur(15px);
  background:rgba(0,8,20,0.7);
}

.logo{
  font-family:'Orbitron';
  font-weight:900;
  letter-spacing:3px;
}

.logo span{
  color:var(--cyan);
  text-shadow:0 0 10px var(--cyan);
}

.menu{
  display:flex;
  gap:28px;
  list-style:none;
  margin:0;
  padding:0;
}

.menu a{
  text-decoration:none;
  color:#bbb;
  font-size:.75rem;
  font-family:'Orbitron';
  transition:.3s;
}

.menu a:hover{
  color:var(--cyan);
  text-shadow:0 0 8px var(--cyan);
}

.sub{
  display:none;
  position:absolute;
  top:28px;
  background:rgba(0,20,40,0.95);
  border:1px solid var(--border);
  min-width:220px;
  box-shadow:0 10px 30px rgba(0,0,0,0.5);
}

.sub a{
  display:block;
  padding:12px 16px;
  font-size:.7rem;
  color:#ccc;
}

.sub a:hover{
  background:rgba(0,234,255,0.1);
  color:var(--cyan);
}

.menu li:hover .sub{
  display:block;
}

/* HERO */

.hero{
  height:100vh;

  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:center;

  text-align:center;
  padding:0 6%;
}

.core{
  width:95px;
  height:95px;

  border:2px solid var(--cyan);

  display:flex;
  align-items:center;
  justify-content:center;

  transform:rotate(45deg);

  margin-bottom:35px;

  box-shadow:
    0 0 25px rgba(0,234,255,0.4),
    inset 0 0 15px rgba(0,234,255,0.2);
}

.core div{
  transform:rotate(-45deg);
  font-weight:900;
  color:var(--cyan);
  font-size:1.3rem;
}

.hero h1{
  font-family:'Orbitron';
  font-size:clamp(2rem,6vw,4.5rem);
  margin:10px 0;
  color:#fff;
}

.hero h1 span{
  color:var(--cyan);
  text-shadow:0 0 25px var(--cyan);
}

.hero p{
  max-width:850px;
  font-size:1rem;
  line-height:1.9;
  color:#eee;
  text-shadow:0 2px 15px rgba(0,0,0,0.8);
}

/* SECTIONS */

section{
  padding:100px 6%;
  max-width:1400px;
  margin:auto;
}

h2{
  text-align:center;
  margin-bottom:50px;
  color:#fff;
  letter-spacing:3px;
  font-family:'Orbitron';
  font-size:1.8rem;
}

.grid-3{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(300px,1fr));
  gap:30px;
}

.card{
  background:rgba(0,29,61,0.4);
  border:1px solid var(--border);
  padding:40px;
  transition:.4s;
  backdrop-filter:blur(8px);
}

.card:hover{
  border-color:var(--cyan);
  transform:translateY(-10px);
  box-shadow:0 15px 40px rgba(0,234,255,0.15);
}

.card h3{
  font-family:'Orbitron';
  font-size:1rem;
  color:var(--cyan);
  margin-bottom:15px;
  letter-spacing:1px;
}

/* BUTTON */

.btn{
  margin-top:25px;
  padding:18px;
  width:100%;

  background:none;
  border:1px solid var(--cyan);

  color:var(--cyan);

  font-family:'Orbitron';

  cursor:pointer;
  transition:.3s;
  font-weight:bold;
  letter-spacing:2px;

  text-decoration:none;
  display:inline-block;
  text-align:center;
}

.btn:hover{
  background:var(--cyan);
  color:#000;
  box-shadow:0 0 30px var(--cyan);
}

/* PAYMENT */

#payment-modal{
  display:none;
  position:fixed;
  top:0;
  left:0;
  width:100%;
  height:100%;

  background:rgba(0,4,10,0.95);

  z-index:2000;

  justify-content:center;
  align-items:center;

  backdrop-filter:blur(15px);
}

/* FORM */

form{
  max-width:650px;
  margin:auto;

  display:flex;
  flex-direction:column;
  gap:20px;
}

input,textarea{
  background:rgba(0,8,20,0.6);
  border:1px solid var(--border);
  padding:18px;
  color:#fff;
  font-family:'JetBrains Mono';
  outline:none;
}

/* FOOTER */

footer{
  border-top:1px solid var(--border);

  padding:50px 6%;

  display:flex;
  justify-content:space-between;
  align-items:center;

  flex-wrap:wrap;

  font-size:.75rem;
  color:#666;

  background:#00040a;
}