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

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

.wrapper {
    max-width: 1200px;
    margin: 0 auto;
}

.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 0.2s ease, color 0.2s 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;
    color: #1f3651;
    font-size: 15px;
    line-height: 1.8;
}

.main-content h2 {
    color: var(--sma-navy-800);
    font-size: 22px;
    font-weight: 500;
    margin: 30px 0 12px;
}

.main-content h1 {
    color: var(--sma-navy-800);
    font-size: 22px;
    font-weight: 500;
    margin: 30px 0 12px;
}

.main-content p {
    margin-bottom: 15px;
}

.main-content ul {
    margin: 10px 0 20px 20px;
}

.main-content li {
    margin-bottom: 8px;
}

@media (max-width: 768px) {
    .container {
        flex-direction: column;
        gap: 30px;
    }

    .sidebar {
        width: 100%;
    }

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

    .nav-icon {
        width: 1.2em;
    }
}

a {
    text-decoration-line: none;
}