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

body {
    font-family: "Segoe UI", Arial, sans-serif;
    background: #ffffff;
    color: #111111;
}

.close-button {
    position: fixed;
    top: 28px;
    right: 36px;
    width: 46px;
    height: 46px;
    border: 2px solid #000;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    font-weight: 700;
    color: #000;
    text-decoration: none;
    background: #fff;
    box-shadow: 6px 6px 0 rgba(0,0,0,0.12);
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
    z-index: 50;
}

.close-button:hover {
    transform: translateY(-2px);
    box-shadow: 10px 10px 0 rgba(0,0,0,0.18);
    background: #f5f5f5;
}

.help-container {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 32px 120px;
}

.back-home {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin: 48px 0 24px;
    padding: 10px 18px;
    border: 1px solid #111;
    background: #fff;
    color: #111;
    text-decoration: none;
    text-transform: uppercase;
    font-size: 0.82rem;
    letter-spacing: 1px;
    transition: transform 0.2s ease, background 0.2s ease;
}

.back-home:hover {
    background: #111;
    color: #fff;
    transform: translateY(-2px);
}

.help-hero {
    background: #000;
    color: #fff;
    padding: 120px 60px;
    margin-bottom: 64px;
    position: relative;
    overflow: hidden;
}

.help-hero::after {
    content: "GUIDE";
    position: absolute;
    right: -10px;
    bottom: -60px;
    font-size: 16rem;
    font-weight: 900;
    color: rgba(255,255,255,0.04);
    letter-spacing: 12px;
    pointer-events: none;
}

.help-hero span {
    display: inline-block;
    border: 2px solid #fff;
    padding: 10px 20px;
    font-size: 0.72rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    font-weight: 700;
}

.help-hero h1 {
    font-size: 3rem;
    font-weight: 900;
    text-transform: uppercase;
    margin: 28px 0 18px;
    max-width: 720px;
}

.help-hero p {
    font-size: 1.08rem;
    line-height: 1.8;
    max-width: 720px;
    color: rgba(255,255,255,0.85);
}

.help-section {
    padding: 72px 0;
    border-top: 1px solid #111;
}

.help-section:first-of-type {
    border-top: none;
}

.help-section h2 {
    font-size: 2rem;
    text-transform: uppercase;
    font-weight: 900;
    letter-spacing: 2px;
    margin-bottom: 28px;
}

.timeline {
    border-left: 3px solid #111;
    padding-left: 28px;
    display: grid;
    gap: 28px;
}

.timeline-step {
    position: relative;
}

.timeline-step::before {
    content: "";
    position: absolute;
    left: -34px;
    top: 6px;
    width: 14px;
    height: 14px;
    background: #111;
    border: 3px solid #fff;
    box-shadow: 0 0 0 3px #111;
}

.timeline-step h3 {
    font-size: 1.1rem;
    text-transform: uppercase;
    font-weight: 800;
    margin-bottom: 10px;
}

.timeline-step p {
    font-size: 1rem;
    line-height: 1.7;
}

.video-grid,
.downloads-list,
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
    margin-top: 28px;
}

.video-card,
.download-card,
.feature-card {
    border: 1px solid #111;
    padding: 24px;
    background: #fff;
    display: flex;
    flex-direction: column;
    gap: 12px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.video-card:hover,
.download-card:hover,
.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 12px 12px 0 rgba(0,0,0,0.08);
}

.video-wrapper {
    position: relative;
    padding-bottom: 56.25%;
    background: #111;
}

.video-meta {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: #666666;
}

.video-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.7);
    font-size: 0.95rem;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.video-wrapper iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.download-card a {
    text-decoration: none;
    color: #111;
    font-weight: 700;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.download-meta {
    font-size: 0.9rem;
    color: #555;
}

.app-links {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 24px;
}

.app-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 24px;
    border: 1px solid #111;
    background: #fff;
    color: #111;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
    transition: background 0.2s ease, color 0.2s ease;
}

.app-button:hover {
    background: #111;
    color: #fff;
}

.feature-card ul {
    list-style: none;
    display: grid;
    gap: 12px;
}

.feature-card li {
    position: relative;
    padding-left: 18px;
    line-height: 1.6;
}

.feature-card li::before {
    content: "—";
    position: absolute;
    left: 0;
    top: 0;
    font-weight: 700;
}

.faq-list {
    border-top: 1px solid #111;
    margin-top: 28px;
}

.faq-item {
    border-bottom: 1px solid #111;
    padding: 22px 0;
}

.faq-item h3 {
    font-size: 1.1rem;
    text-transform: uppercase;
    font-weight: 800;
    margin-bottom: 10px;
}

.faq-item p {
    font-size: 1rem;
    line-height: 1.7;
}

.support-banner {
    border: 3px solid #111;
    padding: 48px 32px;
    text-align: center;
    background: #f5f5f5;
    margin-top: 60px;
}

.support-banner p {
    margin-bottom: 24px;
    font-size: 1rem;
    line-height: 1.6;
}

.support-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: center;
}

.support-buttons a {
    padding: 12px 24px;
    border: 1px solid #111;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-decoration: none;
    color: #111;
    transition: background 0.2s ease, color 0.2s ease;
}

.support-buttons a:hover {
    background: #111;
    color: #fff;
}

.help-loading {
    padding: 120px 0;
    text-align: center;
    font-size: 1rem;
    letter-spacing: 1px;
}

.crosslinks {
    display: grid;
    gap: 20px;
    margin-top: 40px;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.crosslink-card {
    border: 1px solid #111;
    padding: 22px;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-decoration: none;
    color: #111;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.crosslink-card:hover {
    transform: translateY(-3px);
    box-shadow: 12px 12px 0 rgba(0,0,0,0.08);
}

@media (max-width: 768px) {
    .help-container {
        padding: 0 20px 80px;
    }

    .help-hero {
        padding: 100px 28px;
    }

    .help-hero::after {
        font-size: 10rem;
        right: -20px;
        bottom: -50px;
    }

    .help-hero h1 {
        font-size: 2.2rem;
    }

    .timeline {
        padding-left: 22px;
        border-left-width: 2px;
    }

    .timeline-step::before {
        left: -27px;
    }
}