/* Base */
:root{
  --bg-0:#0b1310;
  --bg-1:#0f2b23;
  --bg-2:#0f3d30;
  --neon:#1aff6c;
  --neon-2:#11cc55;
  --muted:#7bd3a6;
  --text:#d2ffe9;
  --text:rgba(0, 0, 0, 0.851);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:"Inter",system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  color:var(--text);
  background:linear-gradient(110deg,var(--bg-0) 0%, var(--bg-1) 45%, var(--bg-2) 100%);
  background-attachment: fixed;
}

/* Hero */
.hero{
  min-height:100vh;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:24px;
  text-align:center;
  padding:24px;
  position:relative;
}

.logo-wrap{
  width:min(180px,30vw);
  aspect-ratio:1/1;
  position:relative;
  display:grid;
  place-items:center;
  filter: drop-shadow(0 0 18px rgba(26,255,108,.25)) drop-shadow(0 0 40px rgba(26,255,108,.12));
  opacity:0;
  animation: fadeUp 1.6s cubic-bezier(0.22, 1, 0.36, 1) .1s both;
}

.logo{
  width:100%;
  height:100%;
  object-fit:contain;
  border-radius:16px;
  mask-image: radial-gradient(circle at 50% 50%, #000 65%, rgba(0,0,0,0) 80%);
}

.brand-img{ width:min(520px, 80vw); height:auto; display:block; filter: drop-shadow(0 0 12px rgba(26,255,108,.18)); opacity:0; animation: fadeUp 1.6s cubic-bezier(0.22, 1, 0.36, 1) .25s both; }

/* Description block */
.desc{
  max-width:min(820px, 88vw);
  margin: 4px auto 0;
  color: var(--text);
  opacity:0;
  animation: fadeUp 1.6s cubic-bezier(0.22, 1, 0.36, 1) .33s both;
}
.desc p{
  margin:10px 0;
  line-height:1.55;
  font-size: clamp(14px, 2.4vw, 18px);
  color: rgba(210,255,233,.92);
}
.desc p strong{ color:#aaffd4 }

/* Top centered line */
.topline{
  position:fixed;
  top:8px;
  left:0;
  right:0;
  text-align:center;
  font-family:"Orbitron", system-ui, sans-serif;
  font-weight:700;
  letter-spacing:.12em;
  color:var(--muted);
  opacity:.9;
  pointer-events:none;
  animation: fadeUp 1.8s cubic-bezier(0.22, 1, 0.36, 1) .05s both;
  z-index: 999999;
}

/* Side background image under content */
.interface-bg{
  position:absolute;
  bottom:5%;
  right:0;
  left:0;
  margin: 0 auto;
  width: 100%;
  height:auto;
  opacity:.38;
  pointer-events:none;
  z-index:-1;
  animation: slideInUp 2s ease-in-out forwards;
  filter: blur(2px) drop-shadow(0 0 24px rgba(26,255,108,.08));
  transform-origin: 50% 100%;
  will-change: transform;
}

@keyframes slideInUp{
  from{ transform: translateY(50%); opacity:0 }
  to{ transform: translateY(0); opacity:.38 }
}

/* Fade-up load-in for other elements */
@keyframes fadeUp{
  from{ opacity:0; transform: translateY(12px) }
  to{ opacity:1; transform: translateY(0) }
}

.tag{ animation: fadeUp 1.6s cubic-bezier(0.22, 1, 0.36, 1) .4s both }

.tag{
  margin:0;
  opacity:.98;
  font-size: 22px;
  background: linear-gradient(180deg, #eafff4 0%, #aaffd4 40%, #3df07f 70%, #12c45d 100%);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  text-shadow: 0 0 18px rgba(26,255,108,.25), 0 0 40px rgba(26,255,108,.14);
}

.notify{
  display:flex;
  gap:12px;
  margin-top:12px;
  opacity:0;
  animation: fadeUp 1.6s cubic-bezier(0.22, 1, 0.36, 1) .55s both;
}

.email{
  background:rgba(255,255,255,.03);
  border:1px solid rgba(26,255,108,.25);
  color:var(--text);
  padding:12px 14px;
  border-radius:12px;
  min-width:260px;
  font-size: 20px;
  outline:none;
  transition:border-color .2s ease, box-shadow .2s ease;
  color: #fff;
}
.email:focus{
  border-color: var(--neon);
  box-shadow:0 0 0 3px rgba(26,255,108,.15);
}

.btn{
  font-weight:700;
  letter-spacing:.06em;
  text-transform:uppercase;
  background: radial-gradient(100% 100% at 50% 0%, var(--neon) 0%, var(--neon-2) 100%);
  color:#001807;
  padding:12px 18px;
  border:none;
  border-radius:12px;
  cursor:pointer;
  box-shadow: 0 8px 20px rgba(26,255,108,.25), inset 0 -2px 8px rgba(0,0,0,.3);
  transition: transform .08s ease, filter .2s ease;
}
.btn:hover{ filter:brightness(1.05)}
.btn:active{ transform: translateY(1px)}

.ok{
  margin-top:8px;
  color:var(--muted);
  opacity:0;
  transform:translateY(6px);
  transition:opacity .25s ease, transform .25s ease;
}
.ok.show{opacity:1; transform:translateY(0)}

.footer{
  position:fixed;
  bottom:12px;
  left:0; right:0;
  text-align:center;
  font-size:12px;
  letter-spacing:.08em;
  color:#8acaa8;
  opacity:.8;
  animation: fadeUp 1.4s cubic-bezier(0.22, 1, 0.36, 1) 1s both;
}

/* Subtle animated vignette */
body:before{
  content:"";
  position:fixed;
  inset:-20vmax;
  pointer-events:none;
  background: radial-gradient(60% 60% at 60% 40%, rgba(26,255,108,.08), transparent 60%),
              radial-gradient(50% 50% at 30% 70%, rgba(26,255,108,.06), transparent 60%);
  filter: blur(40px);
  animation: float 12s ease-in-out infinite alternate;
}

@keyframes float{
  from{ transform: translate3d(-1.5%, 0, 0) }
  to{ transform: translate3d(1.5%, 0, 0) }
}

@media (max-width:520px){
  .notify{ flex-direction:column }
  .email{ min-width:0; width:84vw }
}