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

body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(135deg, #0f0f0f 0%, #1a1a2e 100%);
    color: #ffffff;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.container {
    text-align: center;
    max-width: 600px;
    width: 100%;
}

.callsign {
    font-family: 'JetBrains Mono', monospace;
    font-size: clamp(3rem, 12vw, 5rem);
    font-weight: 800;
    letter-spacing: 0.1em;
    margin-bottom: 3rem;
    background: linear-gradient(45deg, #00ff88, #00bbff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.callsign::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background: linear-gradient(90deg, transparent, #00ff88, transparent);
}

.bio {
    font-size: clamp(1rem, 2.5vw, 1.1rem);
    line-height: 1.8;
    color: #b0b0b0;
    margin-bottom: 3rem;
    padding: 0 1rem;
}

.bio p {
    margin-bottom: 1rem;
}

.sota-link {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: linear-gradient(45deg, #00ff88, #00bbff);
    color: #0f0f0f;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    letter-spacing: 0.5px;
    border-radius: 50px;
    transition: all 0.3s ease;
    position: relative;
}

.sota-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 255, 136, 0.3);
}

@media (max-width: 600px) {
    body {
        padding: 1.5rem;
    }
    
    .callsign {
        font-size: 3.5rem;
        margin-bottom: 2rem;
    }
    
    .bio {
        font-size: 1rem;
        margin-bottom: 2.5rem;
    }
    
    .sota-link {
        padding: 1.2rem 2rem;
        width: 100%;
        max-width: 280px;
    }
}