:root {
  --bg-color: #0b0c10;
  --card-bg: rgba(25, 26, 31, 0.65);
  --primary-color: #66fcf1;
  --primary-glow: rgba(102, 252, 241, 0.4);
  --secondary-color: #45a29e;
  --text-main: #ffffff;
  --text-muted: #c5c6c7;
  --border-color: rgba(102, 252, 241, 0.2);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Outfit', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  position: relative;
}

/* Dynamic Ambient Glow Effects */
.ambient-glow-1, .ambient-glow-2, .ambient-glow-3 {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  z-index: 1;
  opacity: 0.5;
  will-change: transform;
  animation: floatGlow 15s ease-in-out infinite alternate;
}

.ambient-glow-1 {
  width: 40vw;
  height: 40vw;
  background: radial-gradient(circle, rgba(69, 162, 158, 0.4) 0%, rgba(11, 12, 16, 0) 70%);
  top: -10%;
  left: -10%;
}

.ambient-glow-2 {
  width: 35vw;
  height: 35vw;
  background: radial-gradient(circle, rgba(102, 252, 241, 0.3) 0%, rgba(11, 12, 16, 0) 70%);
  bottom: -10%;
  right: -5%;
  animation-delay: -5s;
}

.ambient-glow-3 {
  width: 25vw;
  height: 25vw;
  background: radial-gradient(circle, rgba(100, 100, 255, 0.2) 0%, rgba(11, 12, 16, 0) 70%);
  top: 40%;
  left: 30%;
  animation-delay: -10s;
}

@keyframes floatGlow {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(5%, 10%) scale(1.1); }
  100% { transform: translate(-5%, -5%) scale(0.9); }
}

.fullscreen-bg {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(circle at center, transparent 0%, var(--bg-color) 100%);
  z-index: 2;
  pointer-events: none;
}

/* Glassmorphism Card */
.prelander-wrapper {
  position: relative;
  z-index: 10;
  width: 100%;
  max-width: 480px;
  padding: 20px;
}

.prelander-card {
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  padding: 48px 36px;
  text-align: center;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5), inset 0 0 0 1px rgba(255, 255, 255, 0.05);
  transform: translateY(20px);
  opacity: 0;
  will-change: transform, opacity;
  animation: slideUpFade 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes slideUpFade {
  to { transform: translateY(0); opacity: 1; }
}

/* Content Styling */
.portal-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 20px;
  display: flex;
  justify-content: center;
  align-items: center;
  background: linear-gradient(135deg, rgba(102, 252, 241, 0.1), rgba(69, 162, 158, 0.2));
  border: 1px solid var(--primary-glow);
  border-radius: 50%;
  color: var(--primary-color);
  box-shadow: 0 0 30px var(--primary-glow);
  animation: pulseIcon 3s infinite ease-in-out;
}

@keyframes pulseIcon {
  0%, 100% { box-shadow: 0 0 20px var(--primary-glow); transform: scale(1); }
  50% { box-shadow: 0 0 40px var(--primary-glow); transform: scale(1.05); }
}

.portal-brand {
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 4px;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.portal-brand span {
  color: var(--primary-color);
}

.portal-title {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 16px;
  background: linear-gradient(to right, #fff, var(--primary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.2;
}

.portal-description {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 40px;
}

/* Button Styling */
.portal-actions {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.btn {
  position: relative;
  width: 100%;
  padding: 16px 24px;
  border-radius: 12px;
  font-family: inherit;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  overflow: hidden;
  border: none;
  outline: none;
}

.btn-primary {
  background: var(--primary-color);
  color: var(--bg-color);
  box-shadow: 0 0 20px var(--primary-glow);
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0; left: -100%; width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
  transition: left 0.5s ease;
}

.btn-primary:hover::before {
  left: 100%;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(102, 252, 241, 0.6);
  background: #7afff5;
}

.btn-primary:active {
  transform: scale(0.98);
}

.btn-secondary {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid rgba(197, 198, 199, 0.2);
}

.btn-secondary:hover {
  background: rgba(197, 198, 199, 0.05);
  color: #fff;
  border-color: rgba(197, 198, 199, 0.4);
}

/* Responsive */
@media (max-width: 480px) {
  .prelander-card {
    padding: 36px 24px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
  }
  .portal-title {
    font-size: 24px;
  }
  .ambient-glow-1, .ambient-glow-2, .ambient-glow-3 {
    filter: blur(60px);
  }
}