:root {
    --primary-color: #00aaff;
    --secondary-color: #9c27b0;
    --background-color: #111827; /* Updated to match portfolio background */
    --text-color: #e0e0e0;
    --title-font: 'Orbitron', sans-serif;
    --body-font: 'Roboto', sans-serif;
}

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

html,
body {
    height: 100%;
}

body {
    background-color: var(--background-color);
    color: var(--text-color);
    font-family: var(--body-font);
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 1rem;
    line-height: 1.6;
}

.container {
    max-width: 600px;
    width: 100%;
    animation: fadeIn 1s ease-in-out;
}

.title {
    font-family: var(--title-font);
    font-size: clamp(2rem, 8vw, 3.5rem);
    font-weight: 700;
    color: #fff;
    margin-bottom: 0.5rem;
    letter-spacing: 2px;
}

.subtitle {
    font-size: clamp(1rem, 4vw, 1.25rem);
    font-weight: 300;
    margin-bottom: 2.5rem;
}

.navigation {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    font-family: var(--title-font);
    font-size: 1.1rem;
    font-weight: 400;
    text-decoration: none;
    color: #fff;
    border: 2px solid var(--primary-color);
    border-radius: 5px;
    background-color: transparent;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 0 5px var(--primary-color), inset 0 0 5px var(--primary-color);
}

.btn:hover,
.btn:focus {
    background-color: var(--primary-color);
    color: var(--background-color);
    box-shadow: 0 0 15px var(--primary-color), inset 0 0 10px rgba(255, 255, 255, 0.5);
    transform: translateY(-3px);
}

.btn.btn-secondary {
    border-color: var(--secondary-color);
    box-shadow: 0 0 5px var(--secondary-color), inset 0 0 5px var(--secondary-color);
}

.btn.btn-secondary:hover,
.btn.btn-secondary:focus {
    background-color: var(--secondary-color);
    box-shadow: 0 0 15px var(--secondary-color), inset 0 0 10px rgba(255, 255, 255, 0.5);
}


@media (min-width: 600px) {
    .navigation {
        flex-direction: row;
        justify-content: center;
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}