/* ========== ARTICLE PAGE ========== */
.article-nav {
    background: var(--navy);
    padding: 14px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-back {
    color: var(--white);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color var(--transition);
}

.nav-back:hover {
    color: var(--accent);
}

.article-header {
    background: linear-gradient(135deg, var(--navy) 0%, #1a237e 100%);
    padding: 60px 0 48px;
    color: var(--white);
}

.breadcrumb {
    font-size: 0.8rem;
    margin-bottom: 20px;
    opacity: 0.7;
}

.breadcrumb a {
    color: var(--accent);
    text-decoration: none;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

.breadcrumb span {
    margin: 0 6px;
}

.article-header h1 {
    font-size: clamp(1.6rem, 4vw, 2.4rem);
    font-weight: 800;
    line-height: 1.25;
    margin-bottom: 16px;
    max-width: 800px;
}

.article-meta {
    font-size: 0.85rem;
    opacity: 0.65;
    margin-bottom: 20px;
}

.article-intro {
    font-size: 1.1rem;
    line-height: 1.7;
    max-width: 700px;
    opacity: 0.9;
}

.article-body {
    padding: 48px 0 64px;
}

.article-body .container {
    max-width: 780px;
}

.article-body h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--navy);
    margin: 48px 0 16px;
    padding-top: 16px;
    border-top: 2px solid var(--gray-200);
}

.article-body h2:first-of-type {
    margin-top: 0;
    border-top: none;
}

.article-body h3 {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--navy);
    margin: 28px 0 12px;
}

.article-body p {
    font-size: 0.95rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.article-body ul, .article-body ol {
    margin: 12px 0 20px 20px;
    color: var(--text-secondary);
}

.article-body li {
    font-size: 0.93rem;
    line-height: 1.75;
    margin-bottom: 8px;
}

.article-body a {
    color: var(--blue);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.article-body a:hover {
    color: var(--accent);
}

/* Table of Contents */
.toc {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 24px 28px;
    margin-bottom: 40px;
}

.toc h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--navy);
    margin: 0 0 12px;
}

.toc ol {
    margin: 0;
    padding-left: 20px;
}

.toc li {
    margin-bottom: 6px;
}

.toc a {
    color: var(--blue);
    text-decoration: none;
    font-size: 0.9rem;
}

.toc a:hover {
    text-decoration: underline;
}

/* CTA Banner in Article */
.article-cta {
    background: linear-gradient(135deg, var(--navy) 0%, #1a237e 100%);
    border-radius: var(--radius-lg);
    padding: 36px 32px;
    margin: 48px 0;
    text-align: center;
    color: var(--white);
}

.article-cta h3 {
    color: var(--white);
    font-size: 1.3rem;
    margin-bottom: 8px;
}

.article-cta p {
    color: rgba(255,255,255,0.8);
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.article-cta .cta-button {
    display: inline-block;
    background: var(--accent);
    color: var(--navy);
    padding: 12px 32px;
    border-radius: var(--radius);
    font-weight: 700;
    font-size: 0.95rem;
    text-decoration: none;
    transition: all var(--transition);
}

.article-cta .cta-button:hover {
    background: var(--white);
    transform: translateY(-1px);
}

/* Checklist */
.checklist {
    list-style: none !important;
    margin-left: 0 !important;
    padding-left: 0 !important;
}

.checklist li {
    position: relative;
    padding-left: 28px;
    margin-bottom: 10px;
}

.checklist li::before {
    content: "☐";
    position: absolute;
    left: 0;
    color: var(--blue);
    font-size: 1.1rem;
}

/* Disclaimer */
.article-disclaimer {
    background: #fff8e1;
    border-left: 4px solid #ffc107;
    padding: 16px 20px;
    border-radius: 0 var(--radius) var(--radius) 0;
    margin: 32px 0;
    font-size: 0.85rem;
    color: #5d4037;
}

.article-disclaimer strong {
    display: block;
    margin-bottom: 4px;
}

/* Cost Table */
.cost-table {
    display: flex;
    flex-direction: column;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    overflow: hidden;
    margin: 20px 0;
}

.cost-row {
    display: flex;
    justify-content: space-between;
    padding: 12px 20px;
    font-size: 0.9rem;
    border-bottom: 1px solid var(--gray-100);
}

.cost-row:last-child {
    border-bottom: none;
}

.cost-row:nth-child(even) {
    background: var(--gray-50);
}

.cost-header {
    background: var(--navy);
    color: var(--white);
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.cost-header span:last-child {
    text-align: right;
}

.cost-total {
    background: var(--blue) !important;
    color: var(--white) !important;
    font-weight: 700;
}

.cost-row span:last-child {
    font-weight: 600;
    color: var(--navy);
    text-align: right;
}

.cost-total span:last-child {
    color: var(--white) !important;
}

@media (max-width: 640px) {
    .article-header {
        padding: 40px 0 32px;
    }
    .article-body {
        padding: 32px 0 48px;
    }
    .article-body h2 {
        font-size: 1.3rem;
    }
    .toc {
        padding: 18px 20px;
    }
    .article-cta {
        padding: 28px 20px;
    }
}