:root{
  --bg:#050505;
  --bg2:#0b1020;
  --cyan:#00f7ff;
  --violet:#7a00ff;
  --pink:#ff3fd2;
  --text:#ffffff;
  --muted:#acb3c8;
  --line:rgba(0,247,255,.18);
}

*{
  box-sizing:border-box;
}

html, body{
  margin:0;
  padding:0;
  min-height:100%;
  font-family:Arial, Helvetica, sans-serif;
  background: radial-gradient(circle at top, rgba(0,247,255,.08), transparent 20%),
              linear-gradient(135deg, var(--bg), var(--bg2));
  color:var(--text);
}

body{
  min-height:100vh;
  overflow-x:hidden;
  position:relative;
}

/* MAIN */
.portal-container{
  min-height:100vh;
  display:flex;
  justify-content:center;
  align-items:center;
  position:relative;
  padding:24px;
  z-index:1;
}

.glow-bg{
  position:absolute;
  width:650px;
  height:650px;
  background:radial-gradient(circle, rgba(0,255,255,0.16), rgba(122,0,255,0.10), transparent 70%);
  filter:blur(110px);
  animation:pulse 6s infinite alternate;
  pointer-events:none;
  z-index:0;
}

.grid-bg{
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size:38px 38px;
  opacity:.16;
  mask-image:linear-gradient(to bottom, rgba(0,0,0,.65), rgba(0,0,0,.15));
  pointer-events:none;
  z-index:0;
}

.portal-card{
  width:100%;
  max-width:760px;
  position:relative;
  z-index:2;
  background:linear-gradient(180deg, rgba(9,12,22,.92), rgba(7,9,16,.95));
  border:1px solid var(--line);
  border-radius:22px;
  overflow:hidden;
  box-shadow:
    0 0 0 1px rgba(255,255,255,.03) inset,
    0 0 28px rgba(0,247,255,.12),
    0 0 60px rgba(122,0,255,.10);
  backdrop-filter:blur(10px);
  animation:cardIn .8s ease;
}

.topline{
  height:4px;
  background:linear-gradient(90deg, var(--cyan), var(--violet), var(--pink));
}

.portal-inner{
  padding:38px 28px 26px;
  text-align:center;
}

.eyebrow{
  display:inline-block;
  padding:8px 14px;
  border-radius:999px;
  font-size:12px;
  font-weight:700;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--cyan);
  border:1px solid rgba(0,247,255,.18);
  background:rgba(0,247,255,.06);
  margin-bottom:18px;
}

.title{
  font-size:44px;
  line-height:1.02;
  letter-spacing:.04em;
  margin:0 0 12px;
  color:var(--text);
  text-shadow:0 0 10px rgba(0,247,255,.20), 0 0 24px rgba(122,0,255,.12);
}

.subtitle{
  color:var(--muted);
  margin:0 0 30px;
  font-size:17px;
  line-height:1.6;
}

.buttons{
  display:flex;
  flex-direction:column;
  gap:14px;
  max-width:460px;
  margin:0 auto;
}

.btn{
  display:block;
  text-decoration:none;
  padding:15px 20px;
  border-radius:12px;
  font-weight:700;
  transition:all .25s ease;
  border:1px solid transparent;
  position:relative;
  z-index:3;
}

.primary{
  background:linear-gradient(135deg, var(--cyan), var(--violet));
  color:#071019;
  box-shadow:0 0 16px rgba(0,247,255,.18);
}

.primary:hover{
  transform:translateY(-2px) scale(1.01);
  box-shadow:0 0 18px rgba(0,247,255,.25);
}

.secondary{
  background:#11141f;
  border-color:rgba(122,0,255,.45);
  color:#fff;
}

.secondary:hover{
  transform:translateY(-2px);
  box-shadow:0 0 14px rgba(122,0,255,.22);
}

.outline{
  border-color:rgba(0,247,255,.35);
  color:var(--cyan);
  background:rgba(0,247,255,.03);
}

.outline:hover{
  transform:translateY(-2px);
  background:rgba(0,247,255,.08);
  box-shadow:0 0 12px rgba(0,247,255,.16);
}

.footer-note{
  margin-top:22px;
  color:#7f87a2;
  font-size:12px;
  letter-spacing:.08em;
  text-transform:uppercase;
}

/* AGE GATE */
.age-gate{
  position:fixed;
  inset:0;
  z-index:9999;
  display:flex;
  justify-content:center;
  align-items:center;
  padding:24px;
  transition:opacity .35s ease, visibility .35s ease;
}

.age-gate.hidden{
  opacity:0;
  visibility:hidden;
  pointer-events:none;
}

.age-gate-bg{
  position:absolute;
  inset:0;
  background:rgba(0,0,0,.72);
  backdrop-filter:blur(8px);
}

.age-card{
  position:relative;
  z-index:2;
  width:100%;
  max-width:560px;
  background:linear-gradient(180deg, rgba(9,12,22,.96), rgba(7,9,16,.98));
  border:1px solid rgba(0,247,255,.18);
  border-radius:22px;
  padding:30px 24px 22px;
  text-align:center;
  box-shadow:
    0 0 0 1px rgba(255,255,255,.03) inset,
    0 0 24px rgba(0,247,255,.14),
    0 0 50px rgba(122,0,255,.10);
  animation:gateIn .35s ease;
}

.age-eyebrow{
  display:inline-block;
  margin-bottom:14px;
  padding:8px 12px;
  border-radius:999px;
  font-size:11px;
  font-weight:700;
  letter-spacing:.15em;
  text-transform:uppercase;
  color:var(--cyan);
  border:1px solid rgba(0,247,255,.18);
  background:rgba(0,247,255,.05);
}

.age-card h2{
  margin:0 0 12px;
  font-size:32px;
  line-height:1.05;
}

.age-card p{
  margin:0;
  color:var(--muted);
  line-height:1.65;
  font-size:15px;
}

.age-actions{
  display:flex;
  gap:12px;
  justify-content:center;
  margin-top:24px;
  flex-wrap:wrap;
}

.gate-btn{
  min-width:160px;
  padding:14px 18px;
  border-radius:12px;
  border:1px solid transparent;
  font-weight:700;
  cursor:pointer;
  transition:all .22s ease;
}

.gate-yes{
  background:linear-gradient(135deg, var(--cyan), var(--violet));
  color:#071019;
}

.gate-yes:hover{
  transform:translateY(-2px);
  box-shadow:0 0 16px rgba(0,247,255,.22);
}

.gate-no{
  background:#11141f;
  color:#fff;
  border-color:rgba(255,255,255,.12);
}

.gate-no:hover{
  transform:translateY(-2px);
  box-shadow:0 0 12px rgba(255,255,255,.08);
}

.age-note{
  margin-top:16px;
  font-size:12px;
  color:#7f87a2;
  letter-spacing:.08em;
  text-transform:uppercase;
}

/* ANIMATIONS */
@keyframes pulse{
  0%{transform:scale(1); opacity:.65;}
  100%{transform:scale(1.22); opacity:1;}
}

@keyframes cardIn{
  from{opacity:0; transform:translateY(18px);}
  to{opacity:1; transform:translateY(0);}
}

@keyframes gateIn{
  from{opacity:0; transform:scale(.96) translateY(8px);}
  to{opacity:1; transform:scale(1) translateY(0);}
}

@media (max-width: 768px){
  .title{
    font-size:32px;
  }

  .subtitle{
    font-size:15px;
  }

  .portal-inner{
    padding:30px 18px 22px;
  }

  .btn{
    font-size:14px;
    padding:13px 16px;
  }

  .glow-bg{
    width:440px;
    height:440px;
  }

  .age-card h2{
    font-size:26px;
  }

  .age-actions{
    flex-direction:column;
  }

  .gate-btn{
    width:100%;
  }
}