/* استایل‌های اختصاصی صفحه راهنما (هدر/فوتر مشترک در common.css) */

main { max-width: 1100px; margin: 0 auto 5rem; padding: 0 1.5rem; }

.section-title {
    text-align: center;
    font-size: 2.6rem;
    font-weight: 800;
    color: var(--navy);
    margin: 3rem 0 0.5rem;
    position: relative;
}

.section-title::after {
    content: '';
    width: 100px;
    height: 5px;
    background: var(--accent-blue);
    display: block;
    margin: 1rem auto 0;
    border-radius: 3px;
}

.help-section {
    background-color: var(--surface);
    border-radius: var(--radius-lg);
    padding: 3rem 2.5rem;
    margin-bottom: 4rem;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-gray);
    position: relative;
    overflow: hidden;
}

.help-section::before {
    content: '';
    position: absolute;
    top: 0; right: 0; left: 0;
    height: 5px;
    background: linear-gradient(90deg, var(--navy), var(--accent-blue));
}

.help-section h2 {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--navy);
    margin: 2rem 0 1.2rem;
}

.help-section h2:first-child {
    margin-top: 0;
}

.help-section h3 {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--navy);
    margin: 1.5rem 0 1rem;
}

.help-section p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: #4d4d4d;
    line-height: 1.9;
}

.help-section img {
    max-width: 100%;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-gray);
    box-shadow: var(--shadow-sm);
    margin-bottom: 1.5rem;
    display: block;
}

.help-section a {
    color: var(--accent-blue-dark);
    font-weight: 600;
}

.video-embed {
    margin-bottom: 1.5rem;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.achievements {
    background: var(--accent-blue-light);
    border-right: 4px solid var(--accent-blue);
    padding: 1.2rem 1.5rem;
    border-radius: var(--radius-sm);
    margin: 0 0 1.5rem;
    line-height: 1.9;
}

.btn {
    padding: 0.55rem 1.5rem;
    border-radius: 999px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
}

.btn-login {
    background: linear-gradient(90deg, var(--navy), var(--accent-blue-dark));
    color: white;
}

.btn-register {
    background-color: var(--accent-blue-light);
    color: var(--accent-blue-dark);
    border: 2px solid var(--accent-blue);
}

@media (max-width: 768px) {
    .section-title { font-size: 2rem; }
    .help-section { padding: 2rem 1.4rem; }
    .help-section h2 { font-size: 1.5rem; }
    .help-section h3 { font-size: 1.25rem; }
    .help-section p { font-size: 1rem; }
}