:root {
    --bg1: #0c1a24;
    --bg2: #112c3c;
    --card: #142733cc;
    --accent: #f28c28;
    --text: #e6f3ff;
    --muted: #9fb6c8;
}

* {
    box-sizing: border-box
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
    background: radial-gradient(circle at 20% 10%, var(--bg2), var(--bg1));
    color: var(--text);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.bubble {
    position: absolute;
    border-radius: 50%;
    background: rgba(125, 211, 252, .35);
    box-shadow: 0 0 6px rgba(125, 211, 252, .4);
    transition: transform .18s ease-out, opacity .18s;
}

.pop {
    transform: scale(1.8);
    opacity: 0;
}

.card {
    position: relative;
    background: var(--card);
    backdrop-filter: blur(16px);
    border-radius: 18px;
    padding: 2.6rem 2.2rem;
    text-align: center;
    max-width: 560px;
    border: 1px solid #1f3a4d;
    box-shadow: 0 12px 40px rgba(0, 0, 0, .45);
}

.logo {
    width: 160px;
    margin-bottom: 1rem
}

h1 {
    margin: .2rem 0 .4rem;
    font-weight: 600
}

p {
    margin: .4rem 0;
    color: var(--muted)
}

.tag {
    margin-top: 1.1rem;
    display: inline-block;
    padding: .35rem .8rem;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--accent), #ffb36a);
    color: #000;
    font-weight: 700;
    font-size: .8rem;
}