/* Truve — category landing pages (shared) */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --purple-50: #EEEDFE;
    --purple-600: #534AB7;
    --purple-800: #3C3489;
    --teal-600: #0F6E56;
    --teal-700: #085041;
    --gray-50: #F1EFE8;
    --border: #D3D1C7;
    --text-primary: #2C2C2A;
    --text-secondary: #5F5E5A;
}

html { scroll-behavior: smooth; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.7;
    color: var(--text-primary);
    background: #FAFAF9;
}

.container { max-width: 720px; margin: 0 auto; padding: 0 1.25rem; }
.container-wide { max-width: 900px; margin: 0 auto; padding: 0 1.25rem; }

/* Header */
.cat-header {
    padding: 1.25rem 0;
    border-bottom: 1px solid var(--border);
    background: #fff;
    position: sticky;
    top: 0;
    z-index: 50;
}
.cat-header-inner {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 1.25rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.75rem;
}
.cat-logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--purple-800);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}
.cat-nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    margin-left: 1.25rem;
}
.cat-nav a:hover { color: var(--purple-600); }

/* Breadcrumb */
.breadcrumb {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}
.breadcrumb a { color: var(--purple-600); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }

/* Article */
.cat-main { padding: 2.5rem 0 4rem; }

.cat-hero-label {
    text-transform: uppercase;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--teal-600);
    margin-bottom: 0.5rem;
}

.cat-article h1 {
    font-size: 2.15rem;
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
}

.cat-lead {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border);
}

/* Long-form SEO: table of contents */
.cat-toc {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1rem 1.25rem 1.1rem;
    margin-bottom: 2rem;
    font-size: 0.92rem;
}
.cat-toc h2 {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-secondary);
    margin: 0 0 0.65rem;
    font-weight: 700;
}
.cat-toc ol {
    margin: 0;
    padding-left: 1.25rem;
    color: var(--text-secondary);
}
.cat-toc li { margin-bottom: 0.35rem; }
.cat-toc a { color: var(--purple-600); text-decoration: none; }
.cat-toc a:hover { text-decoration: underline; }

.cat-article h2 {
    font-size: 1.35rem;
    font-weight: 700;
    margin: 2.25rem 0 0.75rem;
    color: var(--text-primary);
}

.cat-article h3 {
    font-size: 1.05rem;
    font-weight: 600;
    margin: 1.5rem 0 0.5rem;
}

.cat-article p { margin-bottom: 1rem; color: var(--text-secondary); font-size: 0.98rem; }
.cat-article ul, .cat-article ol { margin: 0.75rem 0 1rem 1.25rem; color: var(--text-secondary); font-size: 0.98rem; }
.cat-article li { margin-bottom: 0.4rem; }

.example-box {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1rem 1.25rem;
    margin: 1rem 0;
    font-size: 0.92rem;
    color: var(--text-secondary);
}
.example-box strong { color: var(--text-primary); }

.cta-band {
    background: linear-gradient(135deg, var(--purple-50) 0%, #E8F5F0 100%);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.5rem 1.75rem;
    margin: 2.5rem 0;
}
.cta-band p { margin-bottom: 1rem; font-size: 0.95rem; }
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.65rem 1.35rem;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    background: var(--purple-600);
    color: #fff;
    border: none;
    cursor: pointer;
}
.btn:hover { background: var(--purple-800); }

/* FAQ details */
.cat-faq details {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 8px;
    margin-bottom: 0.6rem;
    padding: 0.75rem 1rem;
}
.cat-faq summary {
    font-weight: 600;
    cursor: pointer;
    color: var(--text-primary);
    font-size: 0.95rem;
}
.cat-faq details[open] summary { margin-bottom: 0.5rem; }
.cat-faq details p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin: 0;
}

/* Footer */
.cat-footer {
    background: #444441;
    color: rgba(255,255,255,0.55);
    padding: 2rem 0;
    font-size: 0.85rem;
    text-align: center;
}
.cat-footer a { color: rgba(255,255,255,0.75); }

@media (max-width: 600px) {
    .cat-article h1 { font-size: 1.75rem; }
    .cat-nav a { margin-left: 0.75rem; }
}