:root {
    --primary-color: #00d9ff;
    --background-gradient: linear-gradient(to right, #0f2027, #203a43, #2c5364);
}

body {
    margin: 0;
    padding: 0;
    background: var(--background-gradient);
    color: #fff;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    text-align: center;
    padding: 20px;
    box-sizing: border-box;
}

img.logo {
    width: clamp(80px, 30vw, 150px);
    height: auto;
    margin-bottom: 10px;
}

.brand-name {
    font-size: clamp(16px, 4vw, 24px);
    font-weight: bold;
    letter-spacing: 1px;
    margin-bottom: 30px;
    color: var(--primary-color);
    text-shadow: 0 0 10px rgba(0, 217, 255, 0.5);
}

h1 {
    font-size: clamp(24px, 6vw, 48px);
    margin-bottom: 10px;
}

p {
    font-size: clamp(14px, 4vw, 20px);
    margin-bottom: 30px;
}

h2 {
    font-size: clamp(14px, 4vw, 20px);
    margin-bottom: 10px;
}

.countdown {
    font-size: clamp(18px, 5vw, 28px);
    font-weight: bold;
    margin-bottom: 30px;
}

.spinner {
    border: 6px solid rgba(255, 255, 255, 0.2);
    border-top: 6px solid #ffffff;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}