* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body {
    background: radial-gradient(circle at top, #111, #000);
    color: #eaeaea;
    line-height: 1.6;
}

/* HEADER */

header {
    padding: 60px 20px;
    text-align: center;
    border-bottom: 1px solid #222;

    background: radial-gradient(
        circle at 50% 0%,
        rgba(255,255,255,0.06),
        transparent 80%
    );
}

header h1 {
    font-size: 48px;
    letter-spacing: 3px;
}

header p {
    margin-top: 10px;
    color: #888;
}

/* LAYOUT */

main {
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 20px;
}

.tracks {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}

@media (min-width: 600px) {
    .tracks {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1000px) {
    .tracks {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* TRACK CARD */

.track-card {
    position: relative;
    border: 1px solid #222;
    border-radius: 16px;
    padding: 20px;
    overflow: hidden;

    background-size: cover;
    background-position: center;
    background-image: var(--bg);

    transition: transform 0.3s ease, box-shadow 0.3s ease;
    
    min-height: 170px;

    display: flex;
    flex-direction: column;

    justify-content: flex-start;
    gap: 12px;
}

.track-card::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    box-shadow: inset 0 0 40px rgba(255,255,255,0.04);
    pointer-events: none;
}

.track-card > * {
    position: relative;
    z-index: 1;
}

/* Hover */
.track-card:hover {
    transform: translateY(-6px) scale(1.01);
    box-shadow: 0 20px 60px rgba(0,0,0,0.8);
}

/* TEXT */

.track-title {
    font-size: 22px;
    margin-bottom: 5px;
    text-shadow: 0 2px 10px rgba(0,0,0,0.7);
}

.track-desc {
    color: #ccc;
    font-size: 14px;
    margin-bottom: 15px;
    text-shadow: 0 2px 8px rgba(0,0,0,0.6);
}

.track-versions {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.track-version {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

/* AUDIO */

audio {
    width: 100%;
    opacity: 0.9;
    transition: opacity 0.2s ease;
}

audio:hover {
    opacity: 1;
}

/* FOOTER */

footer {
    text-align: center;
    padding: 30px;
    color: #555;
    font-size: 14px;
    opacity: 0.6;
}

.footer #mail-link {
    color: #aaa;
    cursor: pointer;
    transition: color 0.2s ease;
    cursor: pointer;
}

.footer #mail-link:hover {
    color: #fff;
}

/* ABOUT */

.about {
    max-width: 700px;
    margin: 30px auto 20px;
    text-align: center;

    color: #aaa;
    font-size: 15px;
    line-height: 1.7;
}