.article-page {
    --article-ink: var(--primary-blue, #142a47);
    --article-red: #ef3f43;
    --article-paper: #f4f1e9;
    --article-line: var(--border-color, #d9e0e8);
    background: var(--bg-color);
}

.article-hero {
    padding: clamp(7.5rem, 13vw, 10.5rem) 0 clamp(2.75rem, 6vw, 5.5rem);
    border-bottom: 1px solid var(--article-line);
    overflow: hidden;
}

.article-hero__grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(240px, 0.35fr);
    gap: clamp(2rem, 5vw, 5rem);
    align-items: end;
}

.article-hero__eyebrow,
.article-kicker {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    margin: 0 0 1.25rem;
    color: var(--article-red);
    font-size: 0.75rem;
    font-weight: 850;
    letter-spacing: 0.16em;
    line-height: 1.25;
    text-transform: uppercase;
}

.article-hero__eyebrow::before,
.article-kicker::before {
    width: 1.8rem;
    height: 0.45rem;
    background: currentColor;
    content: "";
}

.article-hero h1 {
    max-width: 1020px;
    margin: 0;
    color: var(--article-ink);
    font-size: clamp(2.4rem, 5.7vw, 5.8rem);
    font-weight: 900;
    letter-spacing: -0.058em;
    line-height: 0.94;
    text-wrap: balance;
}

.article-hero__summary {
    margin: 1.5rem 0 0;
    max-width: 820px;
    color: var(--text-color-secondary);
    font-size: clamp(1rem, 1.7vw, 1.3rem);
    line-height: 1.55;
}

.article-hero__meta {
    display: grid;
    gap: 0;
    margin: 0;
    border-top: 5px solid var(--article-red);
}

.article-hero__meta div {
    display: grid;
    grid-template-columns: 5.5rem 1fr;
    gap: 0.75rem;
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--article-line);
}

.article-hero__meta dt {
    color: var(--text-color-secondary);
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.article-hero__meta dd {
    margin: 0;
    color: var(--article-ink);
    font-size: 0.92rem;
    font-weight: 750;
}

.article-shell {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 290px;
    gap: clamp(2rem, 5vw, 5rem);
    align-items: start;
    padding-top: clamp(2rem, 5vw, 4.5rem);
    padding-bottom: clamp(4rem, 8vw, 8rem);
}

.article-cover {
    display: block;
    width: 100%;
    height: auto;
    margin: 0 0 clamp(2rem, 5vw, 4.5rem);
    border: 1px solid var(--article-line);
    border-radius: 0;
    box-shadow: 14px 14px 0 color-mix(in srgb, var(--article-ink) 10%, transparent);
    object-fit: cover;
    aspect-ratio: 16 / 9;
}

.article-content {
    min-width: 0;
    color: var(--text-color);
    font-size: clamp(1rem, 1.15vw, 1.13rem);
    line-height: 1.78;
}

.article-content > section {
    padding: clamp(2rem, 4vw, 3.75rem) 0;
    border-top: 1px solid var(--article-line);
    scroll-margin-top: 7rem;
}

.article-content > section:first-of-type {
    padding-top: 0;
    border-top: 0;
}

.article-content h2 {
    margin: 0 0 1.35rem;
    color: var(--article-ink);
    font-size: clamp(1.75rem, 3vw, 3rem);
    font-weight: 900;
    letter-spacing: -0.045em;
    line-height: 1.02;
    text-wrap: balance;
}

.article-content h3 {
    margin: 2rem 0 0.8rem;
    color: var(--article-ink);
    font-size: clamp(1.2rem, 1.8vw, 1.62rem);
    font-weight: 850;
    letter-spacing: -0.025em;
    line-height: 1.16;
}

.article-content h4 {
    margin: 1.6rem 0 0.65rem;
    color: var(--article-ink);
    font-size: 1.05rem;
    font-weight: 850;
}

.article-content p,
.article-content ul,
.article-content ol {
    max-width: 840px;
    margin-top: 0;
    margin-bottom: 1.2rem;
}

.article-content ul,
.article-content ol {
    padding-left: 1.35rem;
}

.article-content li {
    margin-bottom: 0.55rem;
    padding-left: 0.25rem;
}

.article-content li::marker {
    color: var(--article-red);
    font-weight: 900;
}

.article-content a {
    color: var(--article-ink);
    font-weight: 780;
    text-decoration-color: var(--article-red);
    text-decoration-thickness: 2px;
    text-underline-offset: 0.18em;
}

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

.article-content code {
    padding: 0.15em 0.35em;
    border: 1px solid var(--article-line);
    background: var(--card-bg);
    color: var(--article-ink);
    font-size: 0.9em;
}

.article-content pre {
    max-width: 100%;
    margin: 1.5rem 0;
    padding: 1rem;
    overflow-x: auto;
    border: 1px solid var(--article-line);
    background: var(--card-bg);
    -webkit-overflow-scrolling: touch;
}

.article-content pre code {
    display: block;
    min-width: max-content;
    padding: 0;
    border: 0;
    background: transparent;
}

.article-lead {
    max-width: 900px !important;
    color: var(--article-ink);
    font-size: clamp(1.18rem, 2vw, 1.55rem);
    font-weight: 650;
    line-height: 1.5;
}

.article-note,
.article-warning,
.article-verdict {
    max-width: 900px;
    margin: 1.75rem 0;
    padding: 1.35rem 1.5rem;
    border-left: 8px solid var(--article-ink);
    background: color-mix(in srgb, var(--article-ink) 7%, var(--card-bg));
}

.article-warning {
    border-left-color: var(--article-red);
    background: color-mix(in srgb, var(--article-red) 8%, var(--card-bg));
}

.article-verdict {
    padding: clamp(1.5rem, 4vw, 2.6rem);
    border: 1px solid var(--article-line);
    border-top: 10px solid var(--article-red);
    background: var(--card-bg);
    box-shadow: 10px 10px 0 color-mix(in srgb, var(--article-ink) 9%, transparent);
}

.article-note > :last-child,
.article-warning > :last-child,
.article-verdict > :last-child {
    margin-bottom: 0;
}

.article-label {
    display: block;
    margin-bottom: 0.55rem;
    color: var(--article-red);
    font-size: 0.73rem;
    font-weight: 900;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.article-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1px;
    max-width: 960px;
    margin: 1.75rem 0;
    border: 1px solid var(--article-line);
    background: var(--article-line);
}

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

.article-card-mini {
    min-width: 0;
    padding: 1.4rem;
    background: var(--card-bg);
}

.article-card-mini strong {
    display: block;
    margin-bottom: 0.45rem;
    color: var(--article-ink);
    font-size: 1.02rem;
}

.article-card-mini p {
    margin: 0;
    color: var(--text-color-secondary);
    font-size: 0.94rem;
    line-height: 1.55;
}

.article-step {
    display: grid;
    grid-template-columns: 4.8rem minmax(0, 1fr);
    gap: 1.25rem;
    max-width: 960px;
    margin: 2rem 0;
}

.article-step__number {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    min-height: 4.8rem;
    padding-top: 0.55rem;
    background: var(--article-red);
    color: #fff;
    font-size: 2rem;
    font-weight: 900;
    letter-spacing: -0.08em;
    line-height: 1;
}

.article-step__body h3 {
    margin-top: 0;
}

.article-checklist {
    display: grid;
    gap: 0;
    max-width: 960px;
    margin: 1.75rem 0;
    padding: 0;
    border-top: 1px solid var(--article-line);
    list-style: none;
}

.article-checklist li {
    display: grid;
    grid-template-columns: 1.6rem minmax(0, 1fr);
    gap: 0.75rem;
    margin: 0;
    padding: 0.9rem 0;
    border-bottom: 1px solid var(--article-line);
}

.article-checklist li::before {
    width: 1.1rem;
    height: 1.1rem;
    margin-top: 0.3rem;
    border: 2px solid var(--article-red);
    content: "";
}

.article-table-wrap {
    max-width: 100%;
    margin: 1.75rem 0;
    overflow-x: auto;
    border: 1px solid var(--article-line);
    -webkit-overflow-scrolling: touch;
}

.article-content table {
    width: 100%;
    min-width: 680px;
    border-collapse: collapse;
    background: var(--card-bg);
    font-size: 0.92rem;
    line-height: 1.5;
}

.article-content th,
.article-content td {
    padding: 0.95rem 1rem;
    border-right: 1px solid var(--article-line);
    border-bottom: 1px solid var(--article-line);
    text-align: left;
    vertical-align: top;
}

.article-content th:last-child,
.article-content td:last-child {
    border-right: 0;
}

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

.article-content th {
    background: var(--article-ink);
    color: #fff;
    font-size: 0.75rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.article-content blockquote {
    max-width: 900px;
    margin: 2rem 0;
    padding: 1.5rem 0 1.5rem 1.5rem;
    border-left: 8px solid var(--article-red);
    color: var(--article-ink);
    font-size: clamp(1.1rem, 1.8vw, 1.35rem);
    font-weight: 700;
    line-height: 1.5;
}

.article-faq details {
    max-width: 920px;
    border-top: 1px solid var(--article-line);
}

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

.article-faq summary {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.2rem 0;
    color: var(--article-ink);
    cursor: pointer;
    font-size: 1.05rem;
    font-weight: 800;
    list-style: none;
}

.article-faq summary::-webkit-details-marker {
    display: none;
}

.article-faq summary::after {
    color: var(--article-red);
    content: "+";
    font-size: 1.6rem;
    line-height: 0.8;
}

.article-faq details[open] summary::after {
    content: "−";
}

.article-faq details p {
    padding-bottom: 1.25rem;
}

.article-toc {
    position: sticky;
    top: 7rem;
    border-top: 8px solid var(--article-red);
    background: var(--card-bg);
}

.article-toc__title {
    margin: 0;
    padding: 1.1rem 1.2rem;
    border-right: 1px solid var(--article-line);
    border-left: 1px solid var(--article-line);
    color: var(--article-ink);
    font-size: 0.75rem;
    font-weight: 900;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.article-toc ol {
    margin: 0;
    padding: 0;
    border: 1px solid var(--article-line);
    list-style: none;
}

.article-toc li + li {
    border-top: 1px solid var(--article-line);
}

.article-toc a {
    display: grid;
    grid-template-columns: 2rem minmax(0, 1fr);
    gap: 0.35rem;
    padding: 0.72rem 0.8rem;
    color: var(--text-color-secondary);
    font-size: 0.83rem;
    font-weight: 720;
    line-height: 1.32;
    text-decoration: none;
}

.article-toc a::before {
    color: var(--article-red);
    content: attr(data-index);
    font-weight: 900;
}

.article-toc a:hover,
.article-toc a:focus-visible {
    background: var(--article-ink);
    color: #fff;
}

.article-sources ol {
    max-width: 960px;
}

.article-sources li {
    padding-bottom: 0.8rem;
    border-bottom: 1px solid var(--article-line);
    font-size: 0.9rem;
    overflow-wrap: anywhere;
}

.article-related {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1px;
    max-width: 960px;
    margin-top: 1.5rem;
    border: 1px solid var(--article-line);
    background: var(--article-line);
}

.article-related a {
    display: flex;
    min-height: 9rem;
    flex-direction: column;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.25rem;
    background: var(--card-bg);
    text-decoration: none;
}

.article-related a:hover {
    background: var(--article-ink);
    color: #fff;
}

.article-related small {
    color: var(--article-red);
    font-weight: 850;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

html.dark-mode .article-hero h1,
html.dark-mode .article-hero__meta dd,
html.dark-mode .article-content h2,
html.dark-mode .article-content h3,
html.dark-mode .article-content h4,
html.dark-mode .article-lead,
html.dark-mode .article-toc__title,
html.dark-mode .article-faq summary {
    color: var(--text-color);
}

@media (max-width: 1024px) {
    .article-hero__grid {
        grid-template-columns: 1fr;
    }

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

    .article-hero__meta div {
        grid-template-columns: 1fr;
        align-content: start;
    }

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

    .article-sidebar {
        grid-row: 1;
    }

    .article-toc {
        position: static;
    }

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

    .article-toc li + li {
        border-top: 0;
    }

    .article-toc li {
        border-bottom: 1px solid var(--article-line);
    }
}

@media (max-width: 720px) {
    .article-hero {
        padding-top: 6.8rem;
    }

    .article-hero h1 {
        font-size: clamp(2.15rem, 12vw, 3.65rem);
    }

    .article-hero__meta,
    .article-grid,
    .article-grid--three,
    .article-related {
        grid-template-columns: 1fr;
    }

    .article-hero__meta div {
        grid-template-columns: 5rem 1fr;
    }

    .article-cover {
        margin-bottom: 2.5rem;
        box-shadow: 8px 8px 0 color-mix(in srgb, var(--article-ink) 10%, transparent);
    }

    .article-step {
        grid-template-columns: 3.4rem minmax(0, 1fr);
        gap: 0.9rem;
    }

    .article-step__number {
        min-height: 3.4rem;
        font-size: 1.4rem;
    }

    .article-toc ol {
        grid-template-columns: 1fr;
        max-height: 24rem;
        overflow-y: auto;
    }

    .article-content table {
        min-width: 620px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .article-page * {
        scroll-behavior: auto !important;
    }
}