:root {
    --bg-dark: #050505;
    --panel-dark: #111;
    --accent-purple: #b026ff;
    --accent-cyan: #00f3ff;
    --accent-green: #ccff00;
    --text-main: #eeeeee;
    --text-muted: #888888;
}

body {
    margin: 0;
    font-family: 'Courier New', Courier, monospace;
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
}

/* NAVIGATION */
.top-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 50px;
    background: #0a0a0a;
    border-bottom: 1px solid #333;
}
.logo { font-weight: bold; font-size: 20px; letter-spacing: 2px; }
.logo span { color: var(--text-muted); font-size: 14px; }
.github-btn {
    background: transparent;
    color: var(--text-main);
    border: 1px solid var(--accent-cyan);
    padding: 8px 20px;
    text-decoration: none;
    font-weight: bold;
    border-radius: 4px;
    transition: all 0.3s ease;
}
.github-btn:hover { background: var(--accent-cyan); color: #000; box-shadow: 0 0 15px rgba(0, 243, 255, 0.4); }

/* HERO SECTION */
.hero-section {
    text-align: center;
    padding: 60px 20px 20px 20px;
}
.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 10px;
    letter-spacing: 4px;
}
.hero-content h1 span { color: var(--accent-purple); text-shadow: 0 0 15px var(--accent-purple); }
.subtitle { font-size: 1.2rem; color: var(--text-muted); max-width: 600px; margin: 0 auto 40px auto; }

/* AUDIO DEMO */
.audio-demo-box {
    background: var(--panel-dark);
    border: 1px solid #333;
    display: inline-block;
    padding: 20px 40px;
    border-radius: 8px;
    margin-bottom: 50px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.8);
    border-left: 4px solid var(--accent-green);
}
.demo-title { display: block; font-weight: bold; color: var(--accent-green); margin-bottom: 15px; letter-spacing: 1px; }
.custom-audio { outline: none; width: 300px; }

/* IMAGE SHOWCASE */
.hero-image-container { margin: 0 auto; max-width: 1200px; }
.hero-img {
    width: 100%;
    height: auto;
    border: 2px solid #333;
    border-radius: 8px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.9);
    transition: transform 0.3s ease;
}
.hero-img:hover { transform: translateY(-5px); border-color: var(--accent-purple); }

/* FEATURES GRID */
.features-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 80px auto;
    padding: 0 20px;
}
.feature-card {
    background: var(--panel-dark);
    padding: 30px;
    border-radius: 6px;
    border: 1px solid #222;
    transition: all 0.3s ease;
}
.feature-card:hover { border-color: #444; background: #151515; transform: translateY(-3px); }
.feature-card h3 { color: var(--accent-cyan); margin-top: 0; font-size: 1.1rem; }
.feature-card p { font-size: 0.9rem; color: #aaa; }

/* FOOTER */
footer { text-align: center; padding: 40px 20px; background: #0a0a0a; border-top: 1px solid #222; color: var(--text-muted); font-size: 0.9rem; }
footer a { color: var(--accent-purple); text-decoration: none; font-weight: bold; }
footer a:hover { text-decoration: underline; }