:root {
    --bg-color: #0b0c10;
    --card-bg: #1f2833;
    --accent: #ff0055;
    --text-primary: #ffffff;
    --text-secondary: #c5c6c7;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
}

.top-banner {
    background: #121820;
    border-bottom: 1px solid #2a3441;
    padding: 0.6rem 1rem;
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.banner-content {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    max-width: 900px;
    margin: 0 auto;
}

.play-icon {
    flex-shrink: 0;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background: rgba(11, 12, 16, 0.95);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.logo span {
    color: var(--accent);
}

.nav-btn {
    background: var(--accent);
    color: #fff;
    padding: 0.5rem 1.2rem;
    border-radius: 20px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
}

.hero {
    text-align: center;
    padding: 3.5rem 1.5rem;
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    background: var(--accent);
    color: #fff;
    padding: 1rem 2rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    transition: transform 0.2s ease;
}

.btn-primary:active {
    transform: scale(0.97);
}

.version-tag {
    display: block;
    margin-top: 0.8rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.instructions {
    max-width: 1000px;
    margin: 0 auto;
    padding: 2.5rem 1.5rem;
}

.instructions h2 {
    text-align: center;
    margin-bottom: 2rem;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.step-card {
    background: var(--card-bg);
    padding: 1.8rem;
    border-radius: 12px;
}

.step-num {
    background: var(--accent);
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    margin-bottom: 1rem;
}

.step-card h3 {
    margin-bottom: 0.5rem;
}

.step-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

footer {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
    border-top: 1px solid #1f2833;
    margin-top: 2rem;
}

@media (max-width: 600px) {
    .banner-content {
        text-align: left;
    }
}