/* Resources Section Styles */

/* ── Sub-navigation bar (used on dark hero backgrounds) ── */
.po-subnav {
    display: flex;
    gap: 2rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    margin-bottom: 3rem;
}

.po-subnav__link {
    font-size: 0.9375rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.6);
    padding: 0.25rem 0;
    position: relative;
}

.po-subnav__link::after {
    content: '';
    position: absolute;
    bottom: -0.8125rem;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--white);
    transition: width 0.3s ease;
}

.po-subnav__link:hover {
    color: var(--white);
}

.po-subnav__link:hover::after {
    width: 100%;
}

.po-subnav__link--active {
    color: var(--white);
}

.po-subnav__link--active::after {
    width: 100%;
}

/* ── Resources hero ── */
.res-hero {
    padding: 140px 0 60px;
    background-color: var(--black);
    color: var(--white);
}

.res-hero__title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
    line-height: 1.1;
    color: var(--white);
    animation: fadeInUp 1s ease-out;
}

.res-hero__subtitle {
    font-size: clamp(1rem, 1.5vw, 1.25rem);
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.75);
    max-width: 700px;
    font-weight: 300;
    animation: fadeInUp 1s ease-out 0.2s both;
}

/* ── Category filter pills ── */
.res-filters {
    padding: 40px 0 0;
    background-color: var(--white);
}

.res-filters__list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    list-style: none;
}

.res-filter-pill {
    display: inline-block;
    padding: 0.375rem 1rem;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--gray-dark);
    background-color: var(--gray-light);
    border: 1px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.res-filter-pill:hover {
    border-color: var(--gray-medium);
    color: var(--black);
}

.res-filter-pill--active {
    background-color: var(--black);
    color: var(--white);
    border-color: var(--black);
}

.res-filter-pill--active:hover {
    background-color: var(--gray-dark);
    border-color: var(--gray-dark);
    color: var(--white);
}

/* ── Featured article card ── */
.res-featured {
    padding: 60px 0 0;
    background-color: var(--white);
}

.res-featured__card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    padding: 3rem;
    background-color: var(--gray-light);
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

.res-featured__card:hover {
    box-shadow: 0 4px 20px var(--shadow-light);
}

.res-featured__card--no-image {
    grid-template-columns: 1fr;
    max-width: 800px;
}

.res-featured__image {
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    display: block;
}

.res-featured__category {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--orange);
    margin-bottom: 0.75rem;
}

.res-featured__title {
    font-size: clamp(1.5rem, 2.5vw, 2rem);
    font-weight: 600;
    margin-bottom: 1rem;
    line-height: 1.3;
    color: var(--black);
}

.res-featured__excerpt {
    font-size: 1.0625rem;
    line-height: 1.7;
    color: var(--gray-dark);
    margin-bottom: 1.25rem;
}

.res-featured__meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.875rem;
    color: var(--gray-dark);
}

.res-featured__avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
}

.res-featured__avatar-placeholder {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: var(--gray-medium);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--gray-dark);
    flex-shrink: 0;
}

.res-featured__author-name {
    font-weight: 500;
    color: var(--black);
}

.res-featured__date {
    color: var(--gray-dark);
}

.res-meta-separator {
    color: var(--gray-medium);
}

/* ── Article grid ── */
.res-grid-section {
    padding: 60px 0 100px;
    background-color: var(--white);
}

.res-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
}

.res-card {
    display: flex;
    flex-direction: column;
    transition: var(--transition);
}

.res-card:hover {
    transform: translateY(-2px);
}

.res-card__link {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    text-decoration: none;
    color: inherit;
}

.res-card__image {
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    margin-bottom: 1.25rem;
}

.res-card__category {
    display: inline-block;
    font-size: 0.6875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--orange);
    margin-bottom: 0.5rem;
}

.res-card__title {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0 0 0.5rem;
    line-height: 1.35;
    color: var(--black);
}

.res-card__excerpt {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--gray-dark);
    margin: 0 0 1rem;
    flex-grow: 1;
}

.res-card__meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8125rem;
    color: var(--gray-dark);
}

.res-card__author-name {
    font-weight: 500;
    color: var(--black);
}

/* ── Load more ── */
.res-load-more {
    text-align: center;
    padding: 3rem 0 0;
}

.res-load-more__btn {
    display: inline-block;
    padding: 0.75rem 2.5rem;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--black);
    background: none;
    border: 1px solid var(--black);
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

.res-load-more__btn:hover {
    background-color: var(--black);
    color: var(--white);
}

.res-empty {
    text-align: center;
    padding: 4rem 0;
    color: var(--gray-dark);
    font-size: 1.0625rem;
}

/* ── Breadcrumb ── */
.res-breadcrumb {
    margin-bottom: 1.5rem;
}

.res-breadcrumb__list {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.25rem;
    list-style: none;
    margin: 0;
    padding: 0;
    font-size: 0.8125rem;
    color: var(--gray-dark);
}

.res-breadcrumb__item a {
    color: var(--gray-dark);
    text-decoration: none;
    transition: var(--transition);
}

.res-breadcrumb__item a:hover {
    color: var(--orange);
}

.res-breadcrumb__item:not(:last-child)::after {
    content: '\203A';
    margin-left: 0.25rem;
    color: var(--gray-medium);
}

.res-breadcrumb__item[aria-current="page"] {
    color: var(--black);
    font-weight: 500;
}

.res-breadcrumb--dark .res-breadcrumb__list {
    color: rgba(255, 255, 255, 0.6);
}

.res-breadcrumb--dark .res-breadcrumb__item a {
    color: rgba(255, 255, 255, 0.6);
}

.res-breadcrumb--dark .res-breadcrumb__item a:hover {
    color: var(--white);
}

.res-breadcrumb--dark .res-breadcrumb__item:not(:last-child)::after {
    color: rgba(255, 255, 255, 0.3);
}

.res-breadcrumb--dark .res-breadcrumb__item[aria-current="page"] {
    color: var(--white);
}

/* ── Article page ── */
.res-article {
    padding: 160px 0 0;
    background-color: var(--white);
}

.res-article__header {
    max-width: 700px;
    margin: 0 auto 3rem;
}

.res-article__category {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--orange);
    margin-bottom: 1rem;
    text-decoration: none;
    transition: var(--transition);
}

.res-article__category:hover {
    opacity: 0.8;
}

.res-article__title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    color: var(--black);
}

.res-article__meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.res-article__date {
    font-size: 0.875rem;
    color: var(--gray-dark);
}

.res-article__reading-time {
    font-size: 0.875rem;
    color: var(--gray-dark);
}

.res-article__byline {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.res-article__byline-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    object-fit: cover;
}

.res-article__byline-avatar-placeholder {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background-color: var(--gray-medium);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-dark);
    flex-shrink: 0;
}

.res-article__byline-info {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
}

.res-article__byline-name {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--black);
    text-decoration: none;
}

.res-article__byline-name:hover {
    color: var(--orange);
}

.res-article__byline-title {
    font-size: 0.8125rem;
    color: var(--gray-dark);
}

/* ── Article body typography ── */
.res-article__body {
    max-width: 700px;
    margin: 0 auto;
    padding-bottom: 4rem;
}

.res-article__body h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 2.5rem 0 1rem;
    line-height: 1.3;
    color: var(--black);
}

.res-article__body h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 2rem 0 0.75rem;
    line-height: 1.35;
    color: var(--black);
}

.res-article__body p {
    font-size: 1.0625rem;
    line-height: 1.85;
    color: var(--gray-dark);
    margin-bottom: 1.25rem;
}

.res-article__body ul,
.res-article__body ol {
    font-size: 1.0625rem;
    line-height: 1.85;
    color: var(--gray-dark);
    margin: 0 0 1.25rem 1.5rem;
    padding: 0;
}

.res-article__body li {
    margin-bottom: 0.5rem;
}

.res-article__body strong {
    font-weight: 600;
    color: var(--black);
}

.res-article__body blockquote {
    margin: 2rem 0;
    padding: 1.5rem 2rem;
    border-left: 3px solid var(--orange);
    background-color: var(--gray-light);
}

.res-article__body blockquote p {
    font-size: 1.125rem;
    font-style: italic;
    color: var(--black);
    margin-bottom: 0;
}

.res-article__body a {
    color: var(--orange);
    text-decoration: underline;
    font-weight: 500;
}

.res-article__body a:hover {
    opacity: 0.8;
}

.res-article__body hr {
    border: none;
    border-top: 1px solid var(--gray-medium);
    margin: 2.5rem 0;
}

.res-article__body img {
    max-width: 100%;
    height: auto;
    margin: 1.5rem 0;
    display: block;
}

.res-article__body table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    font-size: 0.9375rem;
}

.res-article__body th,
.res-article__body td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--gray-medium);
    text-align: left;
}

.res-article__body th {
    font-weight: 600;
    color: var(--black);
}

/* ── Download CTA ── */
.res-download-cta {
    max-width: 700px;
    margin: 0 auto 2rem;
    text-align: center;
}

.res-download-cta--bottom {
    margin: 2.5rem auto 0;
    padding-top: 2rem;
    border-top: 1px solid var(--gray-medium);
}

.res-download-cta__text {
    font-size: 1rem;
    color: var(--gray-dark);
    margin-bottom: 1rem;
}

.res-article__body .res-download-cta__btn,
.res-download-cta__btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background-color: var(--orange);
    color: var(--white);
    font-size: 0.9375rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 6px;
    transition: var(--transition);
}

.res-article__body .res-download-cta__btn:hover,
.res-download-cta__btn:hover {
    opacity: 0.9;
}

.res-download-cta__icon {
    flex-shrink: 0;
}

/* ── Article footer ── */
.res-article__footer {
    border-top: 1px solid var(--gray-medium);
    max-width: 700px;
    margin: 0 auto;
    padding: 3rem 0;
}

.res-article__cta {
    padding: 2.5rem;
    background-color: var(--gray-light);
    margin-bottom: 2.5rem;
}

.res-article__cta p {
    font-size: 1.0625rem;
    line-height: 1.7;
    color: var(--gray-dark);
    margin: 0;
}

.res-article__cta a {
    color: var(--orange);
    text-decoration: underline;
    font-weight: 500;
}

.res-article__cta a:hover {
    opacity: 0.8;
}

.res-article__back {
    display: inline-block;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--black);
    text-decoration: none;
    margin-bottom: 3rem;
}

.res-article__back:hover {
    color: var(--orange);
}

/* ── Related articles ── */
.res-related {
    padding: 60px 0 100px;
    background-color: var(--gray-light);
}

.res-related__title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 2.5rem;
    color: var(--black);
}

.res-related__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

/* ── Author page ── */
.res-author-hero {
    padding: 160px 0 60px;
    background-color: var(--black);
    color: var(--white);
}

.res-author-hero__inner {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.res-author-hero__avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.res-author-hero__avatar-placeholder {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.6);
    flex-shrink: 0;
}

.res-author-hero__name {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 0.25rem;
    color: var(--white);
}

.res-author-hero__credentials {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1rem;
}

.res-author-hero__bio {
    font-size: 1.0625rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.8);
    max-width: 600px;
    margin-bottom: 1rem;
}

.res-author-hero__linkedin {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
}

.res-author-hero__linkedin:hover {
    color: var(--white);
}

.res-author-hero__linkedin svg {
    width: 16px;
    height: 16px;
}

.res-author-articles {
    padding: 60px 0 100px;
    background-color: var(--white);
}

.res-author-articles__title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 2.5rem;
    color: var(--black);
}

/* ── Updated date ── */
.res-article__updated {
    font-size: 0.8125rem;
    color: var(--gray-dark);
    font-style: italic;
}

/* ── RESPONSIVE ── */

@media screen and (max-width: 1024px) {
    .res-featured__card {
        padding: 2rem;
        gap: 2rem;
    }

    .res-related__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media screen and (max-width: 768px) {
    .res-hero {
        padding: 130px 0 40px;
    }

    .res-featured__card {
        grid-template-columns: 1fr;
        padding: 1.5rem;
    }

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

    .res-related__grid {
        grid-template-columns: 1fr;
    }

    .res-article {
        padding: 130px 0 0;
    }

    .res-article__title {
        font-size: clamp(1.75rem, 6vw, 2.25rem);
    }

    .res-author-hero {
        padding: 130px 0 40px;
    }

    .res-author-hero__inner {
        flex-direction: column;
        text-align: center;
    }

    .res-author-hero__avatar,
    .res-author-hero__avatar-placeholder {
        width: 100px;
        height: 100px;
    }

    .res-author-hero__bio {
        margin-left: auto;
        margin-right: auto;
    }

    .res-grid-section {
        padding: 40px 0 60px;
    }

    .res-filters__list {
        gap: 0.375rem;
    }

    .po-subnav {
        gap: 1.25rem;
    }
}

@media screen and (max-width: 480px) {
    .res-hero {
        padding: 110px 0 30px;
    }

    .res-featured__card {
        padding: 1.25rem;
    }

    .res-featured__title {
        font-size: 1.25rem;
    }

    .res-article {
        padding: 110px 0 0;
    }

    .res-author-hero {
        padding: 110px 0 30px;
    }

    .res-author-hero__avatar,
    .res-author-hero__avatar-placeholder {
        width: 80px;
        height: 80px;
        font-size: 2rem;
    }

    .res-article__body p,
    .res-article__body ul,
    .res-article__body ol {
        font-size: 1rem;
    }

    .res-article__body blockquote {
        padding: 1rem 1.25rem;
    }
}