/* Variables de color y estilo */
:root {
    --bg-color: #020617;
    --card-bg: rgba(15, 23, 42, 0.7);
    --primary: #3b82f6;
    --primary-glow: rgba(59, 130, 246, 0.5);
    --accent: #60a5fa;
    --text-main: #f8fafc;
    --text-dim: #94a3b8;
    --border: rgba(255, 255, 255, 0.1);
}

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

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

/* Fondo dinámico con orbes de luz */
.background-decor {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.circle {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.5;
}

.circle-1 {
    width: 500px;
    height: 500px;
    background: var(--primary);
    top: -200px;
    right: -100px;
    animation: drift 15s infinite alternate;
}

.circle-2 {
    width: 400px;
    height: 400px;
    background: #8b5cf6;
    bottom: -150px;
    left: -100px;
    animation: drift 20s infinite alternate-reverse;
}

@keyframes drift {
    from { transform: translate(0, 0); }
    to { transform: translate(50px, 100px); }
}

/* Contenedor principal (Glassmorphism) */
.glass-card {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: 28px;
    padding: 60px 40px;
    width: 95%;
    max-width: 800px;
    text-align: center;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

/* Título cool */
.cool-title {
    font-weight: 800;
    font-size: 8rem;
    color: var(--primary);
    text-align: center;
    text-shadow: 0 0 15px var(--primary-glow), 0 0 30px var(--primary-glow);
    margin-bottom: 10px;
    animation: pulseGlow 3s ease-in-out infinite;
    user-select: none;
    letter-spacing: -2px;
}

/* Subtítulo */
.subtitle {
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--text-dim);
    letter-spacing: 4px;
    text-transform: uppercase;
    opacity: 0.8;
}

@keyframes pulseGlow {
    0%, 100% {
        text-shadow: 0 0 15px var(--primary-glow), 0 0 30px var(--primary-glow);
        transform: scale(1);
    }
    50% {
        text-shadow: 0 0 25px var(--primary), 0 0 50px var(--primary);
        transform: scale(1.02);
    }
}

@media (max-width: 640px) {
    .cool-title {
        font-size: 5rem;
    }
    .subtitle {
        font-size: 1rem;
        letter-spacing: 2px;
    }
}

/* Page background */
.page-bg {
  background: linear-gradient(180deg,#020317 0%,#071125 100%);
  min-height: 100vh;
  margin: 0;
  font-family: Inter, "Helvetica Neue", Arial, sans-serif;
  color: #dfe6f3;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Centering wrapper */
.center-wrap{
  display:flex;
  align-items:center;
  justify-content:center;
  min-height:100vh;
  padding:32px;
  box-sizing:border-box;
}

/* Glass card */
.glass-card{
  width: min(1100px, calc(100% - 80px));
  max-width:1100px;
  padding:44px 56px;
  background: rgba(15,23,33,0.75);
  border-radius:20px;
  border: 1px solid rgba(255,255,255,0.04);
  box-shadow: 0 8px 40px rgba(2,7,20,0.6), inset 0 1px 0 rgba(255,255,255,0.02);
  text-align:center;
}

/* Big code/title */
.big{
  font-size:72px;
  margin:0 0 8px 0;
  letter-spacing:2px;
  color:#8ec2ff;
  text-shadow: 0 0 28px rgba(88,156,255,0.45);
  font-weight:800;
}

/* Smaller message */
.lead{
  margin: 6px 0 14px 0;
  color: #d6dde8;
  font-size:18px;
  opacity:0.95;
}

/* Link */
.link{
  color:#b794ff;
  text-decoration:underline;
  font-weight:600;
}

/* spacing for nav */
.nav{ margin-top:16px; }

/* Make it responsive */
@media (max-width:600px){
  .big{ font-size:40px; }
  .glass-card{ padding:28px; border-radius:16px; }
}