/* Article reading experience */

.reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 200;
    width: 100%;
    height: 3px;
    background: transparent;
    pointer-events: none;
}

.reading-progress__bar {
    display: block;
    width: 0;
    height: 100%;
    background: var(--color-charcoal);
    transition: width 0.12s linear;
}

.article-layout {
    display: grid;
    grid-template-columns: minmax(168px, 208px) minmax(0, 1fr);
    gap: clamp(28px, 4vw, 52px);
    align-items: start;
    max-width: 1100px;
}

.article-layout__content.article-prose {
    max-width: none;
    min-width: 0;
}

.article-sidebar {
    position: sticky;
    top: calc(var(--header-height) + 28px);
    max-height: calc(100vh - var(--header-height) - 40px);
    overflow-y: auto;
    padding-bottom: 24px;
    scrollbar-width: thin;
    scrollbar-color: var(--color-border) transparent;
}

.article-sidebar__title {
    font-family: var(--font-body);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--color-gray);
    margin: 0 0 18px;
}

.article-sidebar__list {
    margin: 0;
    padding: 0;
    list-style: none;
}

.article-sidebar__list li {
    margin: 0;
    list-style: none;
}

.article-sidebar__list a {
    display: block;
    padding: 9px 0;
    font-size: 0.84rem;
    line-height: 1.45;
    color: var(--color-gray);
    text-decoration: none;
    transition: color var(--transition);
}

.article-sidebar__list a:hover {
    color: var(--color-charcoal);
}

.article-sidebar__list a.is-active {
    color: var(--color-charcoal);
    font-weight: 600;
}

.article-prose {
    max-width: 900px;
}

.article-prose .article-lead {
    font-size: 1.2rem;
    line-height: 1.75;
    color: var(--color-charcoal);
    margin-bottom: 28px;
    padding-bottom: 28px;
    border-bottom: 1px solid var(--color-border);
}

.article-toc {
    background: var(--color-cream-dark);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    padding: 28px 32px;
    margin: 36px 0 48px;
}

.article-toc__title {
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-gray);
    margin-bottom: 16px;
}

.article-toc__list {
    margin: 0;
    padding: 0;
    list-style: none;
    columns: 1;
    gap: 24px;
}

.article-toc__list li {
    margin: 0 0 10px;
    list-style: none;
    break-inside: avoid;
}

.article-toc__list a {
    color: var(--color-charcoal-soft);
    text-decoration: none;
    font-size: 0.95rem;
    border-bottom: 1px solid transparent;
    transition: border-color var(--transition), color var(--transition);
}

.article-toc__list a:hover {
    color: var(--color-charcoal);
    border-bottom-color: var(--color-charcoal);
}

.article-summary {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 20px 24px;
    align-items: start;
    background: var(--color-charcoal);
    color: var(--color-cream);
    padding: 28px 32px;
    border-radius: 4px;
    margin: 40px 0;
}

.article-summary__icon svg {
    width: 48px;
    height: 48px;
    animation: article-float 4s ease-in-out infinite;
}

.article-summary__title {
    font-family: var(--font-display);
    font-size: 1.35rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.article-summary__list {
    margin: 0;
    padding: 0;
    list-style: none;
}

.article-summary__list li {
    position: relative;
    padding-left: 18px;
    margin-bottom: 8px;
    font-size: 0.95rem;
    line-height: 1.55;
    list-style: none;
    color: rgba(253, 251, 247, 0.9);
}

.article-summary__list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.55em;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-cream);
}

.article-divider {
    margin: 52px 0 44px;
    overflow: hidden;
}

.article-divider__svg {
    display: block;
    width: 100%;
    height: 28px;
    color: var(--color-border);
}

.article-divider__wave {
    fill: none;
    stroke: currentColor;
    stroke-width: 1.5;
    stroke-linecap: round;
    stroke-dasharray: 600;
    stroke-dashoffset: 600;
    animation: article-draw 2.4s ease forwards;
}

.article-ornament {
    display: flex;
    justify-content: center;
    margin: 40px 0;
    color: var(--color-gray-light);
}

.article-ornament svg {
    width: 64px;
    height: 64px;
    animation: article-spin-slow 12s linear infinite;
}

.article-callout {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 16px 20px;
    padding: 22px 24px;
    margin: 32px 0;
    border-radius: 4px;
    border: 1px solid var(--color-border);
    background: var(--color-white);
}

.article-callout--idea {
    background: var(--color-cream-dark);
}

.article-callout__icon svg {
    width: 36px;
    height: 36px;
}

.article-callout__icon svg circle {
    animation: article-pulse 2.8s ease-in-out infinite;
}

.article-callout__label {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-gray);
    margin-bottom: 6px;
}

.article-callout__text {
    margin: 0;
    font-size: 0.98rem;
    line-height: 1.65;
    color: var(--color-charcoal-soft);
}

.article-pullquote {
    position: relative;
    margin: 44px 0;
    padding: 32px 32px 32px 72px;
    background: var(--color-cream-dark);
    border-radius: 4px;
}

.article-pullquote__mark {
    position: absolute;
    left: 24px;
    top: 28px;
    width: 32px;
    height: 32px;
    color: var(--color-charcoal);
    opacity: 0.25;
}

.article-pullquote blockquote {
    border: none;
    padding: 0;
    margin: 0;
    background: none;
    font-size: 1.2rem;
    line-height: 1.65;
    font-style: normal;
    color: var(--color-charcoal);
}

.article-keypoints {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin: 28px 0 36px;
    padding: 0;
    list-style: none;
}

.article-keypoints__item {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    padding: 18px;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    list-style: none;
    margin: 0;
    transition: transform var(--transition), box-shadow var(--transition);
}

.article-keypoints__item:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(26, 26, 26, 0.06);
}

.article-keypoints__icon {
    flex-shrink: 0;
    color: var(--color-charcoal);
}

.article-keypoints__icon svg {
    width: 22px;
    height: 22px;
}

.article-keypoints__icon svg path {
    stroke-dasharray: 40;
    stroke-dashoffset: 40;
    animation: article-draw 1.2s ease forwards;
}

.article-keypoints__text {
    font-size: 0.92rem;
    line-height: 1.5;
    color: var(--color-charcoal-soft);
}

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

.article-steps > li {
    position: relative;
    padding: 0 0 28px 64px;
    margin: 0;
    list-style: none;
    counter-increment: article-step;
}

.article-steps > li::before {
    content: counter(article-step, decimal-leading-zero);
    position: absolute;
    left: 0;
    top: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border: 1.5px solid var(--color-charcoal);
    border-radius: 50%;
    font-family: var(--font-display);
    font-size: 1.1rem;
    letter-spacing: 0.04em;
}

.article-steps > li:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 23px;
    top: 52px;
    bottom: 0;
    width: 1px;
    background: var(--color-border);
}

.article-highlight {
    padding: 24px 28px;
    margin: 32px 0;
    background: linear-gradient(135deg, var(--color-cream-dark) 0%, var(--color-white) 100%);
    border: 1px solid var(--color-border);
    border-radius: 4px;
}

.article-highlight p {
    margin: 0;
    font-size: 1.02rem;
    line-height: 1.7;
}

.article-two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin: 32px 0;
}

.article-two-col__card {
    padding: 24px;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    background: var(--color-white);
}

.article-two-col__card h4 {
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-gray);
    margin-bottom: 12px;
}

.article-two-col__card p {
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.6;
}

.article-closing {
    margin-top: 48px;
    padding-top: 36px;
    border-top: 2px solid var(--color-charcoal);
}

.article-closing h2 {
    margin-top: 0;
}

.article-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 56px;
    padding-top: 40px;
    border-top: 2px solid var(--color-charcoal);
}

.article-nav__link {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 22px 24px;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    background: var(--color-white);
    text-decoration: none;
    color: inherit;
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.article-nav__link:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(26, 26, 26, 0.08);
    border-color: var(--color-charcoal);
}

.article-nav__link--next {
    text-align: right;
    justify-content: flex-end;
}

.article-nav__icon {
    flex-shrink: 0;
    color: var(--color-charcoal);
}

.article-nav__content {
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-width: 0;
}

.article-nav__label {
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-gray-light);
}

.article-nav__title {
    font-family: var(--font-display);
    font-size: 1.15rem;
    letter-spacing: 0.03em;
    line-height: 1.2;
    color: var(--color-charcoal);
}

.article-spotlight {
    display: grid;
    grid-template-columns: 1fr minmax(200px, 280px);
    gap: 0;
    margin: 44px 0 52px;
    border: 2px solid var(--color-charcoal);
    border-radius: 4px;
    overflow: hidden;
    background: var(--color-white);
    text-decoration: none;
    color: inherit;
    transition: box-shadow var(--transition), transform var(--transition);
}

a.article-spotlight:hover {
    opacity: 1;
    transform: translateY(-3px);
    box-shadow: 0 20px 56px rgba(26, 26, 26, 0.12);
}

.article-spotlight__content {
    padding: 36px 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.article-spotlight__badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    align-self: flex-start;
    padding: 6px 14px;
    margin-bottom: 16px;
    background: var(--color-charcoal);
    color: var(--color-cream);
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    border-radius: var(--radius-pill);
}

.article-spotlight__badge svg {
    width: 14px;
    height: 14px;
    animation: article-pulse 2.5s ease-in-out infinite;
}

.article-spotlight__title {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3vw, 2rem);
    letter-spacing: 0.02em;
    text-transform: uppercase;
    line-height: 1.1;
    margin: 0 0 14px;
    color: var(--color-charcoal);
}

.article-spotlight__excerpt {
    font-size: 0.98rem;
    line-height: 1.65;
    color: var(--color-charcoal-soft);
    margin: 0 0 20px;
}

.article-spotlight__points {
    margin: 0 0 24px;
    padding: 0;
    list-style: none;
}

.article-spotlight__points li {
    position: relative;
    padding-left: 18px;
    margin-bottom: 8px;
    font-size: 0.88rem;
    line-height: 1.5;
    color: var(--color-gray);
    list-style: none;
}

.article-spotlight__points li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.55em;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-charcoal);
}

.article-spotlight__cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-charcoal);
}

.article-spotlight__media {
    position: relative;
    min-height: 260px;
    background: var(--color-cream-dark);
}

.article-spotlight__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    box-shadow: none;
}

.article-spotlight__media-icon {
    position: absolute;
    bottom: 20px;
    right: 20px;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-charcoal);
    color: var(--color-cream);
    border-radius: 50%;
}

.article-spotlight__media-icon svg {
    width: 28px;
    height: 28px;
}

@media (max-width: 768px) {
    .article-spotlight {
        grid-template-columns: 1fr;
    }

    .article-spotlight__content {
        padding: 28px 24px;
        order: 2;
    }

    .article-spotlight__media {
        min-height: 200px;
        order: 1;
    }
}

.article-prose img {
    box-shadow: 0 16px 48px rgba(26, 26, 26, 0.08);
}

.article-prose h2 {
    scroll-margin-top: calc(var(--header-height) + 24px);
}

@keyframes article-draw {
    to { stroke-dashoffset: 0; }
}

@keyframes article-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

@keyframes article-spin-slow {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes article-pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(0.92); }
}

@media (min-width: 640px) {
    .article-toc__list {
        columns: 2;
    }
}

@media (min-width: 1024px) {
    .article-layout .article-toc {
        display: none;
    }
}

@media (max-width: 1023px) {
    .article-layout {
        display: block;
    }

    .article-sidebar {
        display: none;
    }
}

@media (max-width: 768px) {
    .article-two-col {
        grid-template-columns: 1fr;
    }

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

    .article-nav__link--next {
        text-align: left;
        justify-content: flex-start;
        flex-direction: row-reverse;
    }

    .article-pullquote {
        padding: 24px 24px 24px 24px;
    }

    .article-pullquote__mark {
        position: static;
        margin-bottom: 12px;
    }

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