:root {
    --bg-dark: #0f1115;
    --card-bg: #17191f;
    --accent: #c9a24b;
    --text-light: #f2f2f2;
    --text-muted: #9a9ea6;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    font-family: "Segoe UI", Roboto, Arial, sans-serif;
    color: var(--text-light);
    background: radial-gradient(circle at top, #1b1e26 0%, #0f1115 70%);
}

.tutorial-card {
    max-width: 760px;
    width: 100%;
    text-align: center;
    background: var(--card-bg);
    border: 1px solid #262a33;
    border-radius: 16px;
    padding: 40px 32px 36px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
}

.tutorial-logo {
    width: 76px;
    height: 76px;
    margin: 0 auto 18px;
    display: block;
    border-radius: 50%;
    background: #fff;
    padding: 6px;
}

.tutorial-card h1 {
    margin: 0 0 12px;
    font-size: 24px;
    line-height: 1.3;
    letter-spacing: 0.2px;
}

.tutorial-desc {
    color: var(--text-muted);
    line-height: 1.6;
    max-width: 560px;
    margin: 0 auto 28px;
}

.tutorial-video-wrap {
    margin-bottom: 24px;
    border-radius: 12px;
    overflow: hidden;
    background: #000;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}

.tutorial-video-wrap video {
    width: 100%;
    max-height: 70vh;
    display: block;
}

.tutorial-download-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 26px;
    border-radius: 10px;
    background: var(--accent);
    color: #14151a;
    font-weight: 700;
    text-decoration: none;
    letter-spacing: 0.2px;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.tutorial-download-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 18px rgba(201, 162, 75, 0.35);
}

.tutorial-back-link {
    display: block;
    margin-top: 22px;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 14px;
}

.tutorial-back-link:hover {
    color: var(--accent);
}

@media (max-width: 560px) {
    .tutorial-card {
        padding: 28px 18px 26px;
    }
    .tutorial-card h1 {
        font-size: 20px;
    }
}