/* ===============================================
   LEARN SECTION — Article & Content Styles
   Extends the base styles.css design system.
   =============================================== */

/* -----------------------------------------------
   Article layout
   ----------------------------------------------- */
.learn-article {
    max-width: 780px;
    margin: 0 auto;
    padding: 120px 24px 80px;
    color: var(--text-dark);
    line-height: 1.7;
}

/* -----------------------------------------------
   Breadcrumbs
   ----------------------------------------------- */
.learn-breadcrumbs {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    align-items: center;
    font-size: 0.875rem;
    color: var(--text-gray);
    margin-bottom: 32px;
}

.learn-breadcrumbs a {
    color: var(--primary);
    text-decoration: none;
}

.learn-breadcrumbs a:hover {
    text-decoration: underline;
}

.learn-breadcrumbs .sep {
    color: var(--text-gray);
    user-select: none;
}

/* -----------------------------------------------
   Eyebrow & header
   ----------------------------------------------- */
.learn-eyebrow {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--primary);
    background: rgba(91, 104, 215, 0.08);
    padding: 4px 12px;
    border-radius: 4px;
    margin-bottom: 16px;
}

.learn-article h1 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    line-height: 1.2;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.learn-lede {
    font-size: 1.15rem;
    color: var(--text-gray);
    line-height: 1.6;
    margin-bottom: 12px;
}

.learn-meta {
    font-size: 0.85rem;
    color: var(--text-gray);
    margin-bottom: 40px;
    padding-bottom: 24px;
    border-bottom: 1px solid #e5e7eb;
}

/* -----------------------------------------------
   Body typography
   ----------------------------------------------- */
.learn-body h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin: 48px 0 16px;
    line-height: 1.3;
}

.learn-body h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-dark);
    margin: 32px 0 12px;
    line-height: 1.3;
}

.learn-body p {
    margin-bottom: 16px;
    color: var(--text-dark);
    max-width: 65ch;
}

.learn-body ul,
.learn-body ol {
    margin: 0 0 20px 24px;
    max-width: 65ch;
}

.learn-body li {
    margin-bottom: 8px;
    color: var(--text-dark);
}

.learn-body a {
    color: var(--primary);
    text-decoration: underline;
    text-decoration-color: rgba(91, 104, 215, 0.3);
    text-underline-offset: 2px;
}

.learn-body a:hover {
    text-decoration-color: var(--primary);
}

.learn-body strong {
    font-weight: 600;
}

/* -----------------------------------------------
   Callout box (LLM-extractable highlight)
   ----------------------------------------------- */
.learn-callout {
    background: rgba(91, 104, 215, 0.06);
    border-left: 4px solid var(--primary);
    padding: 20px 24px;
    margin: 24px 0 32px;
    border-radius: 0 8px 8px 0;
    font-size: 1.05rem;
    line-height: 1.6;
    color: var(--text-dark);
}

.learn-callout p {
    margin: 0;
}

.learn-callout p + p {
    margin-top: 12px;
}

/* -----------------------------------------------
   Takeaway box
   ----------------------------------------------- */
.learn-takeaways {
    background: var(--bg-gray);
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    padding: 28px 28px 20px;
    margin: 32px 0;
}

.learn-takeaways h2 {
    font-size: 1.2rem;
    margin: 0 0 16px;
    color: var(--primary);
}

.learn-takeaways ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.learn-takeaways li {
    padding: 8px 0 8px 28px;
    position: relative;
    color: var(--text-dark);
}

.learn-takeaways li::before {
    content: '\2713';
    position: absolute;
    left: 0;
    color: var(--secondary);
    font-weight: 700;
    font-size: 1.1rem;
}

/* -----------------------------------------------
   Tables (compare pages, data tables)
   ----------------------------------------------- */
.learn-table-wrap {
    overflow-x: auto;
    margin: 24px 0 32px;
    -webkit-overflow-scrolling: touch;
}

.learn-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
    min-width: 500px;
}

.learn-table th {
    text-align: left;
    padding: 12px 16px;
    background: var(--primary);
    color: var(--white);
    font-weight: 600;
    white-space: nowrap;
}

.learn-table th:first-child {
    border-radius: 8px 0 0 0;
}

.learn-table th:last-child {
    border-radius: 0 8px 0 0;
}

.learn-table td {
    padding: 12px 16px;
    border-bottom: 1px solid #e5e7eb;
    vertical-align: top;
}

.learn-table tbody tr:hover {
    background: rgba(91, 104, 215, 0.03);
}

.learn-table tbody tr:last-child td:first-child {
    border-radius: 0 0 0 8px;
}

.learn-table tbody tr:last-child td:last-child {
    border-radius: 0 0 8px 0;
}

/* -----------------------------------------------
   Sources / references
   ----------------------------------------------- */
.learn-sources {
    margin-top: 48px;
    padding-top: 24px;
    border-top: 1px solid #e5e7eb;
    font-size: 0.9rem;
    color: var(--text-gray);
}

.learn-sources h2 {
    font-size: 1.1rem;
    color: var(--text-gray);
    margin: 0 0 12px;
}

.learn-sources ol {
    margin: 0 0 0 20px;
}

.learn-sources li {
    margin-bottom: 6px;
}

.learn-sources a {
    color: var(--primary);
    text-decoration: none;
    word-break: break-all;
}

.learn-sources a:hover {
    text-decoration: underline;
}

/* -----------------------------------------------
   Related terms / related reading
   ----------------------------------------------- */
.learn-related {
    margin-top: 40px;
}

.learn-related h2 {
    font-size: 1.2rem;
    margin-bottom: 16px;
}

.learn-related ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.learn-related li a {
    display: inline-block;
    padding: 8px 16px;
    background: var(--bg-gray);
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    color: var(--primary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.learn-related li a:hover {
    background: rgba(91, 104, 215, 0.08);
    border-color: var(--primary);
}

/* -----------------------------------------------
   CTA block at page bottom
   ----------------------------------------------- */
.learn-cta {
    margin-top: 56px;
    padding: 40px 32px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 16px;
    text-align: center;
    color: var(--white);
}

.learn-cta h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 0 12px;
    color: var(--white);
}

.learn-cta p {
    margin: 0 0 24px;
    opacity: 0.95;
    color: var(--white);
    max-width: none;
}

.learn-cta .btn {
    display: inline-block;
}

.learn-cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 4px;
}

.btn-whatsapp {
    background: #25D366;
    color: var(--white);
}

.btn-whatsapp:hover {
    background: #1ebe5d;
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(37, 211, 102, 0.3);
}

/* -----------------------------------------------
   Hub / index page cards
   ----------------------------------------------- */
.learn-hub-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
    margin: 32px 0;
}

.learn-hub-card {
    background: var(--bg-gray);
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    padding: 24px;
    text-decoration: none;
    transition: all 0.2s ease;
    display: block;
}

.learn-hub-card:hover {
    border-color: var(--primary);
    box-shadow: 0 4px 16px rgba(91, 104, 215, 0.12);
    transform: translateY(-2px);
}

.learn-hub-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.learn-hub-card p {
    font-size: 0.9rem;
    color: var(--text-gray);
    margin: 0;
    line-height: 1.5;
}

.learn-hub-card .card-eyebrow {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--primary);
    margin-bottom: 8px;
}

/* -----------------------------------------------
   Glossary index term list
   ----------------------------------------------- */
.learn-term-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.learn-term-list li {
    border-bottom: 1px solid #e5e7eb;
}

.learn-term-list li:last-child {
    border-bottom: none;
}

.learn-term-list a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 8px;
    text-decoration: none;
    color: var(--text-dark);
    transition: background 0.15s ease;
}

.learn-term-list a:hover {
    background: rgba(91, 104, 215, 0.04);
}

.learn-term-list .term-name {
    font-weight: 600;
    color: var(--primary);
}

.learn-term-list .term-desc {
    font-size: 0.875rem;
    color: var(--text-gray);
    margin-left: 16px;
    text-align: right;
    flex-shrink: 0;
}

/* -----------------------------------------------
   Full-width learn hub (wider than article)
   ----------------------------------------------- */
.learn-hub {
    max-width: 1100px;
    margin: 0 auto;
    padding: 120px 24px 80px;
}

.learn-hub h1 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.learn-hub > p {
    font-size: 1.1rem;
    color: var(--text-gray);
    margin-bottom: 40px;
    max-width: 65ch;
}

.learn-hub h2 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-dark);
    margin: 48px 0 20px;
}

/* -----------------------------------------------
   FAQ (for schema + page sections)
   ----------------------------------------------- */
.learn-faq dt {
    font-weight: 600;
    color: var(--text-dark);
    margin: 24px 0 8px;
    font-size: 1.05rem;
}

.learn-faq dd {
    margin: 0 0 16px;
    color: var(--text-dark);
    max-width: 65ch;
}

/* -----------------------------------------------
   Responsive
   ----------------------------------------------- */
@media (max-width: 768px) {
    .learn-article {
        padding: 100px 16px 60px;
    }

    .learn-hub {
        padding: 100px 16px 60px;
    }

    .learn-hub-grid {
        grid-template-columns: 1fr;
    }

    .learn-cta {
        padding: 32px 20px;
    }

    .learn-table {
        font-size: 0.85rem;
    }

    .learn-term-list a {
        flex-direction: column;
        align-items: flex-start;
    }

    .learn-term-list .term-desc {
        margin: 4px 0 0;
        text-align: left;
    }

    .learn-related ul {
        gap: 8px;
    }
}

@media (max-width: 480px) {
    .learn-article h1 {
        font-size: 1.6rem;
    }

    .learn-hub h1 {
        font-size: 1.6rem;
    }

    .learn-body h2 {
        font-size: 1.3rem;
    }
}