.single-post-eia21 {
    min-height: 100vh;
    background-color: #ffffff;
}

.single-post-eia21__container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding-left: 16px;
    padding-right: 16px;
}

.single-post-eia21__container--narrow {
    max-width: 896px;
}

/* Hero */
.single-post-eia21__hero {
    padding-top: 128px;
    border-bottom: 1px solid #e5e7eb;
    background-color: #f9fafb;
}

.single-post-eia21__breadcrumbs {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 24px;
    color: #6b7280;
    font-size: 14px;
    line-height: 1.4;
}

.single-post-eia21__breadcrumbs a {
    color: #6b7280;
    text-decoration: none;
    transition: color 0.25s ease;
}

.single-post-eia21__breadcrumbs a:hover {
    color: #61A229;
    text-decoration: none;
}

.single-post-eia21__breadcrumbs span {
    display: -webkit-box;
    overflow: hidden;
    color: #111827;
    font-weight: 700;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
}

.single-post-eia21__category-wrap {
    display: flex;
    margin-bottom: 20px;
}

.single-post-eia21__category {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 999px;
    background-color: rgba(97, 162, 41, 0.1);
    color: #61A229;
    font-size: 14px;
    line-height: 1.4;
    font-weight: 700;
}

.single-post-eia21__title {
    margin: 0 0 24px;
    color: #111827;
    font-size: 32px;
    line-height: 1.12;
    font-weight: 800;
}

.single-post-eia21__excerpt {
    margin-bottom: 32px;
    padding-left: 20px;
    border-left: 4px solid #61A229;
    color: #4b5563;
    font-size: 20px;
    line-height: 1.65;
}

.single-post-eia21__excerpt p {
    margin: 0;
}

.single-post-eia21__meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 24px;
    padding-bottom: 32px;
    color: #6b7280;
    font-size: 14px;
    line-height: 1.4;
}

.single-post-eia21__meta-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.single-post-eia21__meta-item svg {
    color: #61A229;
}

.single-post-eia21__meta-item strong {
    color: #374151;
}

/* Body */
.single-post-eia21__body {
    padding-bottom: 64px;
}

.single-post-eia21__featured-image-wrap {
    position: relative;
    z-index: 2;
    margin: -16px 0 48px;
    overflow: hidden;
    border-radius: 16px;
    box-shadow: 0 25px 50px rgba(17, 24, 39, 0.22);
}

.single-post-eia21__featured-image {
    display: block;
    width: 100%;
    height: 320px;
    object-fit: cover;
}

.single-post-eia21__content {
    max-width: none;
    margin-bottom: 64px;
    color: #374151;
    font-size: 18px;
    line-height: 1.8;
}

.single-post-eia21__content p {
    margin: 0 0 24px;
}

.single-post-eia21__content h2 {
    margin: 48px 0 18px;
    color: #111827;
    font-size: 28px;
    line-height: 1.25;
    font-weight: 800;
}

.single-post-eia21__content h3 {
    margin: 36px 0 16px;
    color: #111827;
    font-size: 22px;
    line-height: 1.3;
    font-weight: 800;
}

.single-post-eia21__content h4 {
    margin: 28px 0 14px;
    color: #111827;
    font-size: 18px;
    line-height: 1.35;
    font-weight: 800;
}

.single-post-eia21__content ul,
.single-post-eia21__content ol {
    margin: 0 0 24px;
    padding-left: 28px;
}

.single-post-eia21__content li {
    margin-bottom: 8px;
}

.single-post-eia21__content a {
    color: #61A229;
    text-decoration: none;
}

.single-post-eia21__content a:hover {
    text-decoration: underline;
}

.single-post-eia21__content strong {
    color: #111827;
    font-weight: 800;
}

.single-post-eia21__content blockquote {
    margin: 32px 0;
    padding: 20px 24px;
    border-left: 4px solid #61A229;
    border-radius: 0 12px 12px 0;
    background-color: #f9fafb;
    color: #374151;
    font-size: 20px;
    line-height: 1.65;
    font-weight: 600;
}

.single-post-eia21__content img {
    max-width: 100%;
    height: auto;
    border-radius: 14px;
}

.single-post-eia21__back-wrap {
    padding-top: 32px;
    border-top: 1px solid #e5e7eb;
}

.single-post-eia21__back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #4b5563;
    font-size: 16px;
    line-height: 1.4;
    font-weight: 700;
    text-decoration: none;
    transition: color 0.25s ease;
}

.single-post-eia21__back-link:hover {
    color: #61A229;
    text-decoration: none;
}

/* Related */
.single-post-eia21__related {
    padding: 64px 0;
    border-top: 1px solid #e5e7eb;
    background-color: #f9fafb;
}

.single-post-eia21__related-title {
    margin: 0 0 32px;
    color: #111827;
    font-size: 26px;
    line-height: 1.3;
    font-weight: 800;
}

.single-post-eia21__related-title span {
    color: #61A229;
}

.single-post-eia21__related-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
}

.single-post-eia21__related-card {
    overflow: hidden;
    border: 1px solid #f3f4f6;
    border-radius: 12px;
    background-color: #ffffff;
    color: inherit;
    text-decoration: none;
    box-shadow: 0 8px 18px rgba(17, 24, 39, 0.08);
    transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.single-post-eia21__related-card:hover {
    color: inherit;
    text-decoration: none;
    box-shadow: 0 20px 42px rgba(17, 24, 39, 0.14);
    transform: translateY(-4px);
}

.single-post-eia21__related-image-wrap {
    position: relative;
    height: 176px;
    overflow: hidden;
}

.single-post-eia21__related-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.single-post-eia21__related-card:hover .single-post-eia21__related-image {
    transform: scale(1.05);
}

.single-post-eia21__related-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.5), transparent);
}

.single-post-eia21__related-content {
    padding: 20px;
}

.single-post-eia21__related-category {
    margin: 0 0 8px;
    color: #61A229;
    font-size: 12px;
    line-height: 1.4;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.single-post-eia21__related-card-title {
    display: -webkit-box;
    margin: 0 0 12px;
    overflow: hidden;
    color: #111827;
    font-size: 16px;
    line-height: 1.35;
    font-weight: 800;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    transition: color 0.25s ease;
}

.single-post-eia21__related-card:hover .single-post-eia21__related-card-title {
    color: #61A229;
}

.single-post-eia21__related-excerpt {
    display: -webkit-box;
    margin-bottom: 16px;
    overflow: hidden;
    color: #4b5563;
    font-size: 14px;
    line-height: 1.55;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
}

.single-post-eia21__related-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    color: #6b7280;
    font-size: 12px;
    line-height: 1.4;
}

.single-post-eia21__related-meta span {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.single-post-eia21__related-read {
    color: #61A229;
    font-weight: 800;
}

/* CTA */
.single-post-eia21__cta {
    padding: 64px 0;
    background: linear-gradient(135deg, #111827 0%, #1f2937 100%);
}

.single-post-eia21__cta-container {
    width: 100%;
    max-width: 768px;
    margin: 0 auto;
    padding: 0 16px;
    text-align: center;
}

.single-post-eia21__cta-title {
    margin: 0 0 16px;
    color: #ffffff;
    font-size: 28px;
    line-height: 1.25;
    font-weight: 800;
}

.single-post-eia21__cta-text {
    max-width: 620px;
    margin: 0 auto 32px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 16px;
    line-height: 1.65;
}

.single-post-eia21__cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 56px;
    padding: 16px 32px;
    border-radius: 8px;
    background-color: #61A229;
    color: #ffffff;
    font-size: 16px;
    line-height: 1;
    font-weight: 800;
    text-decoration: none;
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.22);
    transition: background-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

.single-post-eia21__cta-button:hover {
    background-color: #4f8821;
    color: #ffffff;
    text-decoration: none;
    box-shadow: 0 16px 32px rgba(0, 0, 0, 0.3);
    transform: translateY(-2px);
}

/* Responsive */
@media (min-width: 640px) {
    .single-post-eia21__container {
        padding-left: 24px;
        padding-right: 24px;
    }

    .single-post-eia21__cta-container {
        padding-left: 24px;
        padding-right: 24px;
    }

    .single-post-eia21__featured-image {
        height: 420px;
    }
}

@media (min-width: 768px) {
    .single-post-eia21__title {
        font-size: 48px;
    }

    .single-post-eia21__related-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .single-post-eia21__cta-title {
        font-size: 32px;
    }
}

@media (min-width: 1024px) {
    .single-post-eia21__container {
        padding-left: 32px;
        padding-right: 32px;
    }

    .single-post-eia21__cta-container {
        padding-left: 32px;
        padding-right: 32px;
    }

    .single-post-eia21__featured-image {
        height: 480px;
    }
}

@media (max-width: 767px) {
    .single-post-eia21__hero {
        padding-top: 116px;
    }

    .single-post-eia21__title {
        font-size: 32px;
    }

    .single-post-eia21__excerpt {
        font-size: 18px;
    }

    .single-post-eia21__meta {
        gap: 16px;
    }

    .single-post-eia21__featured-image-wrap {
        margin-bottom: 40px;
    }

    .single-post-eia21__content {
        font-size: 17px;
    }

    .single-post-eia21__content h2 {
        font-size: 24px;
    }

    .single-post-eia21__content h3 {
        font-size: 20px;
    }

    .single-post-eia21__cta-button {
        width: 100%;
    }
}