body {
    font-family:
        -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
    background: var(--sma-surface);
    min-height: 100vh;
}

.wrapper {
    max-width: 1200px;
}

.header {
    text-align: center;
    margin-bottom: 60px;
}

.header h1 {
    color: var(--sma-navy-800);
    font-size: 36px;
    font-weight: 300;
    margin-bottom: 10px;
}

.header p {
    color: var(--sma-ink-muted);
    font-size: 16px;
}

.container {
    display: flex;
    gap: 60px;

    align-items: flex-start;
}

.sidebar {
    width: 250px;
    flex-shrink: 0;
    padding-top: 20px;
}

.nav-button {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    padding: 14px 18px;
    margin-bottom: 10px;
    background: transparent;
    color: var(--sma-navy-800);
    border: none;
    text-align: left;
    font-size: clamp(1.1rem, 1rem + 0.4vw, 1.4rem);
    font-weight: 500;
    line-height: 1.25;
    cursor: pointer;
    border-radius: 8px;
    transition: background 0.3s ease;
}

.nav-icon {
    font-size: 1.1em;
    width: 1.4em;
    flex-shrink: 0;
    color: var(--sma-navy-600);
}

.nav-label {
    display: inline-block;
}

.nav-button:hover {
    background: var(--sma-line);
    color: #0e2846;
}

.nav-button.active {
    background: #dce7f5;
    color: #0a2542;
    font-weight: 600;
}

.nav-button.active .nav-icon {
    color: #0d3b68;
}

.main-content {
    flex: 1;
}

.faq-list {
    width: 100%;
}

.faq-item {
    background: #f4f7fb;
    margin-bottom: 12px;
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    background: var(--sma-line);
}

.faq-question {
    width: 100%;
    padding: 20px 24px;
    background: transparent;
    border: none;
    color: var(--sma-navy-800);
    font-size: 15px;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.faq-question span {
    flex: 1;
}

.faq-icon {
    font-size: 20px;
    color: #7a8899;
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    padding: 0 24px;
}

.faq-answer-content {
    padding-bottom: 20px;
    color: #4a5b71;
    font-size: 14px;
    line-height: 1.6;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.support-section {
    text-align: center;
    padding: 20px 10px;
    border-radius: 10px;
    background-color: var(--sma-surface);
    border: 1px solid #e4ebf4;
}

.avatar-group {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
}

.avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: 3px solid var(--sma-surface);
    margin: 0 -8px;
}

.support-section h3 {
    color: var(--sma-navy-800);
    font-size: 18px;
    font-weight: 400;
    margin-bottom: 8px;
}

.support-section p {
    color: var(--sma-ink-muted);
    font-size: 13px;
    margin-bottom: 20px;
}

.contact-button {
    padding: 12px 30px;
    background: var(--sma-navy-800);
    color: var(--sma-surface);
    border: 1px solid var(--sma-navy-800);
    border-radius: 5px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s ease;
}

.contact-button:hover {
    background: #1b3556;
}

/* Responsive Design */
@media (max-width: 768px) {
    body {
        padding: 30px 15px;
    }

    .wrapper {
        padding: 0 10px;
    }

    .header {
        margin-bottom: 40px;
    }

    .header h1 {
        font-size: 32px;
    }

    .header p {
        font-size: 14px;
    }

    .container {
        flex-direction: column;
        gap: 30px;
        margin-bottom: 40px;
    }

    .sidebar {
        width: 100%;
        padding-top: 0;
    }

    .nav-button {
        font-size: 1rem;
        padding: 12px 14px;
        gap: 10px;
    }

    .nav-icon {
        width: 1.2em;
    }

    .main-content {
        width: 100%;
    }

    .faq-question {
        padding: 16px 18px;
        font-size: 14px;
    }

    .faq-icon {
        font-size: 18px;
    }

    .faq-answer-content {
        font-size: 13px;
    }

    .support-section {
        padding: 20px 15px;
    }

    .support-section h3 {
        font-size: 16px;
    }

    .support-section p {
        font-size: 12px;
    }

    .contact-button {
        padding: 10px 20px;
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .header h1 {
        font-size: 28px;
    }

    .nav-button {
        font-size: 0.95rem;
    }

    .faq-question {
        padding: 14px 16px;
    }
}

a {
    text-decoration-line: none;
}