:root {
    --blog-ink: #172033;
    --blog-muted: #5d6678;
    --blog-line: #dfe3ea;
    --blog-soft: #f4f6f8;
    --blog-blue: #1769e0;
    --blog-blue-dark: #0d3f91;
    --blog-green: #147a58;
    --blog-coral: #d85545;
    --blog-amber: #b66a12;
    --blog-white: #ffffff;
}

.seo-blog-page {
    background: var(--blog-white);
    color: var(--blog-ink);
}

.seo-blog-page,
.seo-blog-page button,
.seo-blog-page input {
    font-family: Arial, Helvetica, sans-serif;
}

.seo-blog {
    padding: 34px 0 96px;
    background: var(--blog-white);
}

.seo-blog__container {
    width: min(1180px, calc(100% - 40px));
    margin: 0 auto;
}

.seo-breadcrumbs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    margin: 0 0 30px;
    color: var(--blog-muted);
    font-size: 14px;
    line-height: 1.5;
}

.seo-breadcrumbs a {
    color: var(--blog-blue-dark);
    text-decoration: none;
}

.seo-breadcrumbs a:hover {
    color: var(--blog-blue);
    text-decoration: underline;
}

.article-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.02fr) minmax(420px, .98fr);
    gap: 52px;
    align-items: center;
    padding: 34px 0 56px;
    border-bottom: 1px solid var(--blog-line);
}

.article-category,
.blog-index__eyebrow,
.section-heading__eyebrow,
.article-cta__eyebrow {
    display: inline-block;
    margin: 0 0 16px;
    color: var(--blog-green);
    font-size: 13px;
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: 0;
    text-transform: uppercase;
}

.article-category {
    text-decoration: none;
}

.article-category:hover {
    color: var(--blog-blue);
}

.article-hero h1,
.blog-index__hero h1 {
    margin: 0;
    max-width: 820px;
    color: var(--blog-ink);
    font-size: 62px;
    font-weight: 750;
    line-height: 1.06;
    letter-spacing: 0;
}

.article-lead,
.blog-index__lead {
    margin: 24px 0 0;
    max-width: 760px;
    color: var(--blog-muted);
    font-size: 20px;
    line-height: 1.6;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 26px;
    margin-top: 28px;
    color: var(--blog-muted);
    font-size: 14px;
}

.article-meta span {
    position: relative;
}

.article-meta span:not(:last-child)::after {
    position: absolute;
    top: 50%;
    right: -15px;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--blog-coral);
    content: "";
    transform: translateY(-50%);
}

.article-hero__media {
    overflow: hidden;
    margin: 0;
    border: 1px solid var(--blog-line);
    border-radius: 6px;
    background: var(--blog-soft);
}

.article-hero__media img {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 3 / 2;
    object-fit: cover;
}

.article-layout {
    display: grid;
    grid-template-columns: minmax(0, 780px) 280px;
    gap: 76px;
    justify-content: space-between;
    align-items: start;
    padding-top: 62px;
}

.article-content {
    min-width: 0;
    color: #2b3343;
    font-size: 18px;
    line-height: 1.78;
}

.article-content > *:first-child {
    margin-top: 0;
}

.article-content h2,
.article-content h3 {
    scroll-margin-top: 120px;
    color: var(--blog-ink);
    letter-spacing: 0;
}

.article-content h2 {
    margin: 56px 0 20px;
    font-size: 32px;
    font-weight: 750;
    line-height: 1.2;
}

.article-content h3 {
    margin: 34px 0 14px;
    font-size: 23px;
    font-weight: 700;
    line-height: 1.3;
}

.article-content p {
    margin: 0 0 20px;
}

.article-content ul,
.article-content ol {
    margin: 0 0 24px;
    padding-left: 26px;
}

.article-content li {
    margin-bottom: 10px;
    padding-left: 4px;
}

.article-content a {
    color: var(--blog-blue-dark);
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
}

.article-content a:hover {
    color: var(--blog-blue);
}

.article-content strong {
    color: var(--blog-ink);
    font-weight: 700;
}

.article-content blockquote {
    margin: 32px 0;
    padding: 8px 0 8px 24px;
    border-left: 4px solid var(--blog-coral);
    color: var(--blog-ink);
    font-size: 21px;
    line-height: 1.55;
}

.article-content blockquote p:last-child {
    margin-bottom: 0;
}

.article-summary {
    margin: 0 0 42px;
    padding: 24px 26px;
    border: 1px solid #cbd8ef;
    border-left: 4px solid var(--blog-blue);
    border-radius: 4px;
    background: #f7faff;
}

.article-summary strong {
    display: block;
    margin-bottom: 8px;
    font-size: 19px;
}

.article-summary p:last-child,
.article-summary ul:last-child {
    margin-bottom: 0;
}

.article-note {
    margin: 34px 0;
    padding: 24px 26px;
    border: 1px solid var(--blog-line);
    border-radius: 4px;
    background: var(--blog-soft);
}

.article-note--green {
    border-color: #b9d9cc;
    border-left: 4px solid var(--blog-green);
    background: #f3faf7;
}

.article-note--warning {
    border-color: #ead4b7;
    border-left: 4px solid var(--blog-amber);
    background: #fffaf2;
}

.article-note--editor {
    margin-top: 58px;
    border-left: 4px solid var(--blog-coral);
    background: #fff8f6;
}

.article-note strong {
    display: block;
    margin-bottom: 7px;
}

.article-note p:last-child,
.article-note ul:last-child {
    margin-bottom: 0;
}

.article-checklist {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin: 26px 0 34px;
    padding: 0;
    list-style: none;
}

.article-checklist li {
    position: relative;
    min-height: 100%;
    margin: 0;
    padding: 16px 16px 16px 44px;
    border: 1px solid var(--blog-line);
    border-radius: 4px;
    background: var(--blog-white);
}

.article-checklist li::before {
    position: absolute;
    top: 18px;
    left: 16px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--blog-green);
    color: var(--blog-white);
    content: "✓";
    font-size: 12px;
    font-weight: 700;
    line-height: 18px;
    text-align: center;
}

.article-steps {
    margin: 28px 0 36px;
    padding: 0;
    list-style: none;
    counter-reset: article-step;
}

.article-steps li {
    position: relative;
    margin: 0;
    padding: 0 0 30px 58px;
    counter-increment: article-step;
}

.article-steps li:not(:last-child)::after {
    position: absolute;
    top: 40px;
    bottom: 7px;
    left: 20px;
    width: 1px;
    background: var(--blog-line);
    content: "";
}

.article-steps li::before {
    position: absolute;
    top: 0;
    left: 0;
    width: 40px;
    height: 40px;
    border: 2px solid var(--blog-blue);
    border-radius: 50%;
    background: var(--blog-white);
    color: var(--blog-blue-dark);
    content: counter(article-step);
    font-size: 15px;
    font-weight: 700;
    line-height: 36px;
    text-align: center;
}

.article-steps strong {
    display: block;
    margin-bottom: 6px;
    font-size: 19px;
}

.article-steps p:last-child {
    margin-bottom: 0;
}

.article-table-wrap {
    overflow-x: auto;
    margin: 28px 0 38px;
    border: 1px solid var(--blog-line);
    border-radius: 4px;
}

.article-table {
    width: 100%;
    min-width: 650px;
    margin: 0;
    border-collapse: collapse;
    font-size: 16px;
    line-height: 1.5;
}

.article-table th,
.article-table td {
    padding: 15px 16px;
    border-bottom: 1px solid var(--blog-line);
    text-align: left;
    vertical-align: top;
}

.article-table th {
    background: #edf2f8;
    color: var(--blog-ink);
    font-weight: 700;
}

.article-table tr:last-child td {
    border-bottom: 0;
}

.article-table tbody tr:nth-child(even) td {
    background: #fafbfc;
}

.article-formula {
    margin: 28px 0;
    padding: 22px 24px;
    border: 1px solid #cbd8ef;
    border-radius: 4px;
    background: #f7faff;
    color: var(--blog-blue-dark);
    font-size: 20px;
    font-weight: 700;
    line-height: 1.5;
}

.message-example {
    margin: 28px 0;
    padding: 22px 24px;
    border: 1px solid var(--blog-line);
    border-radius: 4px;
    background: var(--blog-white);
    box-shadow: 0 8px 22px rgba(23, 32, 51, .06);
}

.message-example__label {
    display: block;
    margin-bottom: 8px;
    color: var(--blog-green);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0;
    text-transform: uppercase;
}

.message-example p:last-child {
    margin-bottom: 0;
}

.source-list {
    margin-top: 54px;
    padding-top: 26px;
    border-top: 1px solid var(--blog-line);
    font-size: 15px;
    line-height: 1.6;
}

.source-list h2 {
    margin-top: 0;
    font-size: 24px;
}

.source-list li {
    margin-bottom: 8px;
}

.article-aside {
    position: sticky;
    top: 108px;
    display: grid;
    gap: 18px;
}

.article-aside__block {
    padding: 22px;
    border: 1px solid var(--blog-line);
    border-radius: 4px;
    background: var(--blog-white);
}

.article-aside__title {
    margin: 0 0 14px;
    color: var(--blog-ink);
    font-size: 16px;
    font-weight: 700;
}

.article-toc ol {
    margin: 0;
    padding-left: 20px;
    color: var(--blog-muted);
    font-size: 14px;
    line-height: 1.45;
}

.article-toc li {
    margin-bottom: 10px;
    padding-left: 3px;
}

.article-toc li:last-child {
    margin-bottom: 0;
}

.article-toc a {
    color: var(--blog-muted);
    text-decoration: none;
}

.article-toc a:hover {
    color: var(--blog-blue);
}

.article-aside__cta {
    border-top: 4px solid var(--blog-green);
    background: #f3faf7;
}

.article-aside__cta > p:not(.article-aside__title) {
    margin: 0 0 18px;
    color: var(--blog-muted);
    font-size: 14px;
    line-height: 1.55;
}

.article-aside__phone {
    display: block;
    margin-top: 15px;
    color: var(--blog-ink);
    font-size: 14px;
    font-weight: 700;
    text-align: center;
    text-decoration: none;
}

.blog-button {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    justify-content: center;
    padding: 10px 18px;
    border: 1px solid transparent;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 700;
    line-height: 1.25;
    text-align: center;
    text-decoration: none !important;
    transition: background-color .2s ease, border-color .2s ease, color .2s ease;
}

.blog-button--primary {
    width: 100%;
    background: var(--blog-blue);
    color: var(--blog-white) !important;
}

.blog-button--primary:hover {
    background: var(--blog-blue-dark);
}

.blog-button--light {
    background: var(--blog-white);
    color: var(--blog-blue-dark) !important;
}

.blog-button--light:hover {
    background: #eaf1ff;
}

.blog-button--outline-light {
    border-color: rgba(255, 255, 255, .7);
    color: var(--blog-white) !important;
}

.blog-button--outline-light:hover {
    background: rgba(255, 255, 255, .12);
}

.article-faq {
    margin-top: 56px;
}

.article-faq details {
    border-top: 1px solid var(--blog-line);
}

.article-faq details:last-child {
    border-bottom: 1px solid var(--blog-line);
}

.article-faq summary {
    padding: 18px 36px 18px 0;
    color: var(--blog-ink);
    cursor: pointer;
    font-weight: 700;
    line-height: 1.45;
}

.article-faq details p {
    padding: 0 0 18px;
    color: var(--blog-muted);
}

.article-cta {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 40px;
    align-items: center;
    margin-top: 80px;
    padding: 44px 48px;
    border-radius: 6px;
    background: #173f78;
    color: var(--blog-white);
}

.article-cta__eyebrow {
    margin-bottom: 10px;
    color: #8fe1c0;
}

.article-cta h2 {
    margin: 0 0 12px;
    color: var(--blog-white);
    font-size: 32px;
    font-weight: 750;
    line-height: 1.2;
}

.article-cta p:not(.article-cta__eyebrow) {
    max-width: 720px;
    margin: 0;
    color: #dbe7f6;
    font-size: 17px;
    line-height: 1.6;
}

.article-cta__actions {
    display: grid;
    min-width: 210px;
    gap: 10px;
}

.related-articles {
    padding-top: 86px;
}

.section-heading {
    max-width: 720px;
    margin-bottom: 30px;
}

.section-heading__eyebrow {
    margin-bottom: 8px;
}

.section-heading h2 {
    margin: 0;
    color: var(--blog-ink);
    font-size: 36px;
    font-weight: 750;
    line-height: 1.18;
    letter-spacing: 0;
}

.article-card-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
}

.article-card-grid--three {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.article-card {
    display: flex;
    min-width: 0;
    flex-direction: column;
    overflow: hidden;
    border: 1px solid var(--blog-line);
    border-radius: 6px;
    background: var(--blog-white);
    transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}

.article-card:hover {
    border-color: #bac4d2;
    box-shadow: 0 14px 34px rgba(23, 32, 51, .08);
    transform: translateY(-3px);
}

.article-card__image {
    display: block;
    overflow: hidden;
    background: var(--blog-soft);
}

.article-card__image img {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    transition: transform .35s ease;
}

.article-card:hover .article-card__image img {
    transform: scale(1.025);
}

.article-card__body {
    display: flex;
    flex: 1;
    flex-direction: column;
    padding: 23px;
}

.article-card__meta {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 8px 14px;
    margin-bottom: 14px;
    color: var(--blog-muted);
    font-size: 12px;
    line-height: 1.4;
    text-transform: uppercase;
}

.article-card__meta span:first-child {
    color: var(--blog-green);
    font-weight: 700;
}

.article-card h2,
.article-card h3 {
    margin: 0 0 12px;
    color: var(--blog-ink);
    font-size: 22px;
    font-weight: 750;
    line-height: 1.3;
    letter-spacing: 0;
}

.article-card h2 a,
.article-card h3 a {
    color: inherit;
    text-decoration: none;
}

.article-card p {
    margin: 0 0 20px;
    color: var(--blog-muted);
    font-size: 15px;
    line-height: 1.6;
}

.article-card__link {
    margin-top: auto;
    color: var(--blog-blue-dark);
    font-size: 14px;
    font-weight: 700;
    text-decoration: none;
}

.article-card__link:hover {
    color: var(--blog-blue);
}

.blog-index__hero {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(390px, .95fr);
    gap: 54px;
    align-items: center;
    padding: 38px 0 68px;
    border-bottom: 1px solid var(--blog-line);
}

.blog-index__hero-media {
    overflow: hidden;
    border: 1px solid var(--blog-line);
    border-radius: 6px;
    background: var(--blog-soft);
}

.blog-index__hero-media img {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 3 / 2;
    object-fit: cover;
}

.blog-index__hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 28px;
}

.blog-button--secondary {
    border-color: var(--blog-line);
    background: var(--blog-white);
    color: var(--blog-ink) !important;
}

.blog-button--secondary:hover {
    border-color: var(--blog-blue);
    color: var(--blog-blue) !important;
}

.blog-index__featured,
.blog-index__library {
    padding-top: 70px;
}

.featured-grid {
    display: grid;
    grid-template-columns: 1.35fr .65fr;
    gap: 24px;
}

.featured-grid__side {
    display: grid;
    gap: 24px;
}

.article-card--featured .article-card__image img {
    aspect-ratio: 16 / 8.7;
}

.article-card--featured h2 {
    font-size: 30px;
}

.article-card--compact {
    display: grid;
    grid-template-columns: 142px minmax(0, 1fr);
}

.article-card--compact .article-card__image img {
    height: 100%;
    aspect-ratio: auto;
}

.article-card--compact .article-card__body {
    padding: 18px;
}

.article-card--compact h3 {
    font-size: 18px;
}

.article-card--compact p {
    display: none;
}

.blog-tools {
    display: grid;
    grid-template-columns: minmax(240px, 1fr) auto;
    gap: 18px;
    align-items: center;
    margin-bottom: 30px;
}

.blog-search {
    position: relative;
    max-width: 520px;
}

.blog-search input {
    width: 100%;
    height: 48px;
    padding: 10px 46px 10px 16px;
    border: 1px solid var(--blog-line);
    border-radius: 4px;
    background: var(--blog-white);
    color: var(--blog-ink);
    font-size: 15px;
    outline: none;
}

.blog-search input:focus {
    border-color: var(--blog-blue);
    box-shadow: 0 0 0 3px rgba(23, 105, 224, .12);
}

.blog-search i {
    position: absolute;
    top: 50%;
    right: 16px;
    color: var(--blog-muted);
    transform: translateY(-50%);
}

.blog-filters {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 8px;
}

.blog-filter {
    min-height: 38px;
    padding: 8px 13px;
    border: 1px solid var(--blog-line);
    border-radius: 4px;
    background: var(--blog-white);
    color: var(--blog-muted);
    cursor: pointer;
    font-size: 13px;
    font-weight: 700;
}

.blog-filter:hover,
.blog-filter.is-active {
    border-color: var(--blog-blue);
    background: var(--blog-blue);
    color: var(--blog-white);
}

.blog-empty {
    display: none;
    padding: 32px;
    border: 1px solid var(--blog-line);
    border-radius: 4px;
    color: var(--blog-muted);
    text-align: center;
}

.blog-empty.is-visible {
    display: block;
}

.blog-principles {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1px;
    margin-top: 84px;
    border: 1px solid var(--blog-line);
    background: var(--blog-line);
}

.blog-principle {
    padding: 30px;
    background: var(--blog-white);
}

.blog-principle i {
    margin-bottom: 18px;
    color: var(--blog-coral);
    font-size: 24px;
}

.blog-principle h2,
.blog-principle h3 {
    margin: 0 0 10px;
    color: var(--blog-ink);
    font-size: 20px;
    font-weight: 750;
    letter-spacing: 0;
}

.blog-principle p {
    margin: 0;
    color: var(--blog-muted);
    font-size: 15px;
    line-height: 1.6;
}

@media (max-width: 1100px) {
    .article-hero,
    .blog-index__hero {
        grid-template-columns: 1fr;
        gap: 34px;
    }

    .article-hero__copy,
    .blog-index__hero-copy {
        max-width: 850px;
    }

    .article-hero__media,
    .blog-index__hero-media {
        max-width: 850px;
    }

    .article-layout {
        grid-template-columns: minmax(0, 1fr) 250px;
        gap: 42px;
    }

    .article-card-grid--three {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 900px) {
    .seo-blog {
        padding-top: 92px;
    }

    .article-hero h1,
    .blog-index__hero h1 {
        font-size: 48px;
    }

    .article-layout {
        grid-template-columns: 1fr;
    }

    .article-aside {
        position: static;
        grid-row: 1;
        grid-template-columns: 1fr 1fr;
    }

    .article-cta {
        grid-template-columns: 1fr;
    }

    .article-cta__actions {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .featured-grid {
        grid-template-columns: 1fr;
    }

    .featured-grid__side {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .article-card--compact {
        display: flex;
    }

    .article-card--compact .article-card__image img {
        height: auto;
        aspect-ratio: 16 / 9;
    }

    .blog-tools {
        grid-template-columns: 1fr;
    }

    .blog-filters {
        justify-content: flex-start;
    }
}

@media (max-width: 680px) {
    .seo-blog {
        padding-bottom: 64px;
    }

    .seo-blog__container {
        width: min(100% - 28px, 1180px);
    }

    .seo-breadcrumbs {
        margin-bottom: 18px;
        font-size: 12px;
    }

    .article-hero,
    .blog-index__hero {
        padding: 20px 0 40px;
    }

    .article-hero h1,
    .blog-index__hero h1 {
        font-size: 36px;
        line-height: 1.1;
    }

    .article-lead,
    .blog-index__lead {
        margin-top: 18px;
        font-size: 17px;
        line-height: 1.55;
    }

    .article-meta {
        gap: 8px 18px;
        margin-top: 20px;
        font-size: 12px;
    }

    .article-meta span:not(:last-child)::after {
        right: -11px;
    }

    .article-layout {
        gap: 34px;
        padding-top: 38px;
    }

    .article-aside {
        grid-template-columns: 1fr;
    }

    .article-content {
        font-size: 17px;
        line-height: 1.7;
    }

    .article-content h2 {
        margin-top: 44px;
        font-size: 27px;
    }

    .article-content h3 {
        font-size: 21px;
    }

    .article-checklist {
        grid-template-columns: 1fr;
    }

    .article-table-wrap {
        margin-right: -14px;
        margin-left: -14px;
        border-right: 0;
        border-left: 0;
        border-radius: 0;
    }

    .article-cta {
        margin-top: 58px;
        padding: 30px 24px;
    }

    .article-cta h2 {
        font-size: 27px;
    }

    .article-cta__actions {
        grid-template-columns: 1fr;
    }

    .related-articles {
        padding-top: 62px;
    }

    .section-heading h2 {
        font-size: 30px;
    }

    .article-card-grid,
    .article-card-grid--three,
    .featured-grid__side {
        grid-template-columns: 1fr;
    }

    .article-card--featured h2 {
        font-size: 25px;
    }

    .article-card--compact {
        display: grid;
        grid-template-columns: 120px minmax(0, 1fr);
    }

    .article-card--compact .article-card__image img {
        height: 100%;
        aspect-ratio: auto;
    }

    .blog-principles {
        grid-template-columns: 1fr;
    }
}

@media (prefers-reduced-motion: reduce) {
    .article-card,
    .article-card__image img {
        transition: none;
    }
}