* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

body {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    color: white;
    overflow: hidden;
}

.container {
    width: 100%;
    display: flex;
    justify-content: center;
}

.glass-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(15px);
    padding: 3.5rem 2rem;
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    text-align: center;
    max-width: 480px;
    width: 90%;
}

h1 {
    font-size: 2.8rem;
    font-weight: 800;
    letter-spacing: 4px;
    margin-bottom: 1rem;
    background: linear-gradient(to right, #fff, #c0c0c0);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

p {
    font-size: 1.15rem;
    margin-bottom: 2.5rem;
    opacity: 0.85;
    line-height: 1.5;
}

.countdown {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.time-box {
    background: rgba(255, 255, 255, 0.08);
    padding: 14px 8px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.time-box span {
    display: block;
    font-size: 2.1rem;
    font-weight: 700;
    color: #4ecca3;
}

.time-box label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.7;
    margin-top: 4px;
}