@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;600&family=Roboto:wght@500&display=swap');

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

body {
    background-color: #000;
    color: #fff;
    font-family: 'Montserrat', sans-serif;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.header {
    background-color: rgba(0, 0, 0, 0.8);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 15px 0;
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header__logo {
    margin-left: 20px;
}

.logo-img {
    height: 40px;
    width: auto;
}

.header__nav {
    text-align: center;
    margin-right: 5vw;
}

.nav__list {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 30px;
}

.nav__link {
    color: #fff;
    text-decoration: none;
    font-size: 16px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 400;
    transition: color 0.3s ease;
}

.nav__link:hover {
    color: #AAFF00;
}

.header__btn {
    background-color: #AAFF00;
    color: #000;
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 5px;
    font-size: 16px;
    font-family: 'Roboto', sans-serif;
    font-weight: 500;
    transition: background-color 0.3s ease;
}

.header__btn:hover {
    background-color: #88CC00;
}

.hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 1100;
}

.hamburger span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: #fff;
    margin: 5px 0;
    transition: all 0.3s ease;
}

.sidebar-overlay {
    position: fixed;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1100;
    transition: left 0.3s ease;
}

.sidebar-overlay.active {
    left: 0;
}

.sidebar {
    position: fixed;
    top: 0;
    left: -250px;
    width: 250px;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    z-index: 1200;
    padding: 20px;
    transition: left 0.3s ease;
}

.sidebar-overlay.active .sidebar {
    left: 0;
}

.sidebar__close {
    background: none;
    border: none;
    color: #fff;
    font-size: 30px;
    cursor: pointer;
    position: absolute;
    top: 20px;
    right: 20px;
}

.sidebar__list {
    list-style: none;
    margin-top: 60px;
}

.sidebar__link {
    color: #fff;
    text-decoration: none;
    font-size: 18px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 400;
    display: block;
    padding: 10px 0;
    transition: color 0.3s ease;
}

.sidebar__link:hover {
    color: #AAFF00;
}

.main-content {
    margin-top: 80px;
    padding: 0;
    display: flex;
    flex-direction: column;
}

.instruction-container {
    display: flex;
    flex: 1;
    margin-left: 270px;
}

.starlight__sidebar {
    width: 250px;
    background-color: rgba(255, 255, 255, 0.05);
    padding: 20px;
    border-radius: 12px;
    position: fixed;
    top: 80px;
    left: 10px;
    height: calc(100vh - 100px);
    overflow-y: auto;
}

.sidebar__title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 20px;
}

.sidebar__menu {
    list-style: none;
}

.sidebar__menu-subheader {
    font-size: 18px;
    font-weight: 600;
    color: #888;
    padding: 10px 0;
    margin-top: 10px;
}

.sidebar__menu-link {
    display: block;
    color: #fff;
    text-decoration: none;
    padding: 10px 10px;
    font-size: 16px;
    transition: color 0.3s ease, background-color 0.3s ease;
}

.sidebar__menu-link:hover {
    color: #AAFF00;
    background-color: rgba(170, 255, 0, 0.1);
    border-radius: 5px;
}

.sidebar__menu-link.active {
    color: #AAFF00;
    background-color: rgba(170, 255, 0, 0.1);
    border-radius: 5px;
}

.instruction-content {
    flex: 1;
    padding: 20px;
    margin-left: 20px;
}

.instruction-content h1 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 20px;
}

.instruction-content h2 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 15px;
}

.instruction-content h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 15px;
}

.instruction-content p {
    font-size: 18px;
    line-height: 1.6;
    margin-bottom: 20px;
}

.instruction-content ol {
    padding-left: 30px;
    margin-bottom: 20px;
}

.instruction-content ol li {
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 15px;
}

.instruction-content ul {
    list-style: none;
    padding-left: 20px;
    margin-bottom: 20px;
}

.instruction-content ul li {
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 10px;
    position: relative;
}

.instruction-content ul li::before {
    content: "•";
    color: #AAFF00;
    position: absolute;
    left: -20px;
}

.screenshot-placeholder {
    background-color: rgba(255, 255, 255, 0.1);
    padding: 20px;
    text-align: center;
    font-size: 16px;
    color: #888;
    border-radius: 8px;
    margin: 15px 0;
}

.screenshot {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 15px 0;
    display: block;
}

.video-screenshot {
    max-width: 400px;
    height: auto;
    border-radius: 8px;
    margin: 15px auto;
    display: block;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header__nav {
        display: none;
    }

    .hamburger {
        display: block;
        margin-left: 10px;
    }

    .header__btn {
        margin-right: 10px;
        padding: 8px 15px;
        font-size: 14px;
    }

    .header__inner {
        flex-wrap: wrap;
    }

    .header__logo {
        margin-left: 10px;
    }

    .logo-img {
        height: 30px;
    }

    .main-content {
        flex-direction: column;
    }

    .instruction-container {
        margin-left: 0;
        padding: 0 15px;
        flex-direction: column;
    }

    .starlight__sidebar {
        position: static;
        width: 100%;
        height: auto;
        margin-bottom: 20px;
        border-radius: 8px;
        left: 0;
        padding: 15px;
    }

    .sidebar__title {
        font-size: 20px;
    }

    .sidebar__menu-subheader {
        font-size: 16px;
    }

    .sidebar__menu-link {
        font-size: 14px;
        padding: 8px 10px;
    }

    .instruction-content {
        padding: 0;
        margin-left: 0;
    }

    .instruction-content h1 {
        font-size: 28px;
    }

    .instruction-content h2 {
        font-size: 22px;
    }

    .instruction-content h3 {
        font-size: 18px;
    }

    .instruction-content p {
        font-size: 16px;
    }

    .instruction-content ol li {
        font-size: 14px;
    }

    .instruction-content ul li {
        font-size: 14px;
    }

    .screenshot-placeholder {
        font-size: 14px;
        padding: 15px;
    }

    .screenshot {
        border-radius: 6px;
        margin: 10px 0;
    }

    .video-screenshot {
        max-width: 100%;
        border-radius: 6px;
        margin: 10px auto;
    }
}

@media (max-width: 480px) {
    .header__btn {
        font-size: 12px;
        padding: 6px 12px;
    }

    .sidebar__link {
        font-size: 16px;
    }

    .sidebar__title {
        font-size: 18px;
    }

    .sidebar__menu-subheader {
        font-size: 14px;
    }

    .sidebar__menu-link {
        font-size: 13px;
        padding: 6px 8px;
    }

    .instruction-content h1 {
        font-size: 24px;
    }

    .instruction-content h2 {
        font-size: 20px;
    }

    .instruction-content h3 {
        font-size: 16px;
    }

    .instruction-content p {
        font-size: 14px;
    }

    .instruction-content ol li {
        font-size: 13px;
    }

    .instruction-content ul li {
        font-size: 13px;
    }

    .screenshot-placeholder {
        font-size: 13px;
        padding: 10px;
    }

    .screenshot {
        border-radius: 4px;
        margin: 8px 0;
    }

    .video-screenshot {
        max-width: 100%;
        border-radius: 4px;
        margin: 8px auto;
    }
}