/* ========================================
   Blog Styles - Kevin Allmann Websolutions
   ======================================== */

/* Blog Hero */
.blog-hero {
    padding: calc(var(--header-height) + var(--space-2xl)) 0 var(--space-xl);
    text-align: center;
}

.blog-hero__tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--color-off-white);
    border: 1px solid var(--color-silver);
    border-radius: 100px;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-gray);
    margin-bottom: var(--space-md);
}

.blog-hero__title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: var(--space-md);
}

.blog-hero__subtitle {
    font-size: 1.125rem;
    color: var(--color-gray);
    line-height: 1.8;
    max-width: 650px;
    margin: 0 auto;
}

/* Blog Grid */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: var(--space-lg);
    padding-bottom: var(--space-3xl);
}

/* Blog Card */
.blog-card {
    background: var(--color-white);
    border: 1px solid var(--color-silver);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition-base);
    position: relative;
    display: flex;
    flex-direction: column;
}

.blog-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--color-dark);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-spring);
}

.blog-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-dark);
}

.blog-card:hover::after {
    transform: scaleX(1);
}

.blog-card__body {
    padding: var(--space-lg);
    display: flex;
    flex-direction: column;
    flex: 1;
}

.blog-card__meta {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
    flex-wrap: wrap;
}

.blog-card__category {
    padding: 0.375rem 0.875rem;
    background: var(--color-off-white);
    border: 1px solid var(--color-silver);
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-gray);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.blog-card__date {
    font-size: 0.8125rem;
    color: var(--color-gray-light);
}

.blog-card__reading-time {
    font-size: 0.8125rem;
    color: var(--color-gray-light);
}

.blog-card__reading-time::before {
    content: '\00b7';
    margin-right: 0.5rem;
}

.blog-card__title {
    font-size: 1.375rem;
    line-height: 1.3;
    margin-bottom: var(--space-sm);
    transition: var(--transition-fast);
}

.blog-card:hover .blog-card__title {
    color: var(--color-dark);
}

.blog-card__excerpt {
    color: var(--color-gray);
    line-height: 1.7;
    margin-bottom: var(--space-lg);
    flex: 1;
}

.blog-card__link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    font-size: 0.9375rem;
    color: var(--color-dark);
    transition: var(--transition-base);
}

.blog-card__link svg {
    width: 18px;
    height: 18px;
    transition: var(--transition-spring);
}

.blog-card:hover .blog-card__link svg {
    transform: translateX(4px);
}

/* Article Layout */
.article {
    padding: calc(var(--header-height) + var(--space-lg)) 0 var(--space-3xl);
}

.article__header {
    max-width: 780px;
    margin: 0 auto var(--space-2xl);
}

.article__meta {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
    flex-wrap: wrap;
}

.article__category {
    padding: 0.375rem 0.875rem;
    background: var(--color-off-white);
    border: 1px solid var(--color-silver);
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-gray);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

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

.article__reading-time::before {
    content: '\00b7';
    margin-right: 0.5rem;
}

.article__title {
    font-size: clamp(2rem, 4.5vw, 3rem);
    line-height: 1.15;
    margin-bottom: var(--space-md);
    letter-spacing: -0.03em;
}

.article__lead {
    font-size: 1.1875rem;
    color: var(--color-gray);
    line-height: 1.8;
}

/* Article Content */
.article__content {
    max-width: 780px;
    margin: 0 auto;
}

.article__content h2 {
    font-size: 1.75rem;
    margin-top: var(--space-2xl);
    margin-bottom: var(--space-md);
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-silver);
}

.article__content h2:first-child {
    border-top: none;
    padding-top: 0;
    margin-top: 0;
}

.article__content h3 {
    font-size: 1.25rem;
    margin-top: var(--space-xl);
    margin-bottom: var(--space-sm);
}

.article__content p {
    color: var(--color-gray-dark);
    line-height: 1.85;
    margin-bottom: var(--space-md);
    font-size: 1.0625rem;
}

.article__content ul,
.article__content ol {
    color: var(--color-gray-dark);
    line-height: 1.85;
    margin-bottom: var(--space-md);
    padding-left: var(--space-lg);
    font-size: 1.0625rem;
}

.article__content li {
    margin-bottom: 0.5rem;
}

.article__content strong {
    color: var(--color-dark);
    font-weight: 600;
}

.article__content a {
    color: var(--color-dark);
    text-decoration: underline;
    text-underline-offset: 3px;
    font-weight: 500;
    transition: var(--transition-fast);
}

.article__content a:hover {
    text-decoration: none;
}

/* Info Box */
.article__info-box {
    background: var(--color-off-white);
    border: 1px solid var(--color-silver);
    border-left: 4px solid var(--color-dark);
    border-radius: var(--radius-sm);
    padding: var(--space-lg);
    margin: var(--space-xl) 0;
}

.article__info-box p {
    margin-bottom: 0;
    font-size: 1rem;
}

.article__info-box > strong {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

/* Comparison Table */
.article__table-wrap {
    overflow-x: auto;
    margin: var(--space-xl) 0;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-silver);
}

.article__table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9375rem;
}

.article__table th {
    background: var(--color-dark);
    color: var(--color-white);
    padding: 1rem 1.25rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.article__table td {
    padding: 0.875rem 1.25rem;
    border-bottom: 1px solid var(--color-silver);
    color: var(--color-gray-dark);
}

.article__table tr:last-child td {
    border-bottom: none;
}

.article__table tr:nth-child(even) td {
    background: var(--color-off-white);
}

/* Article CTA */
.article__cta {
    background: var(--color-dark);
    color: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    text-align: center;
    margin-top: var(--space-2xl);
}

.article__cta .btn--primary {
    background: var(--color-white);
    color: var(--color-dark);
    box-shadow: var(--shadow-md);
}

.article__cta .btn--primary:hover {
    background: var(--color-off-white);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.article__cta .btn--secondary {
    background: transparent;
    color: var(--color-white);
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: none;
}

.article__cta .btn--secondary:hover {
    border-color: var(--color-white);
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.article__cta-title {
    font-size: 1.5rem;
    margin-bottom: var(--space-sm);
}

.article__cta-text {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--space-lg);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

.article__cta-actions {
    display: flex;
    gap: var(--space-sm);
    justify-content: center;
    flex-wrap: wrap;
}

/* Author Box */
.article__author {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: var(--color-off-white);
    border: 1px solid var(--color-silver);
    border-radius: var(--radius-md);
    margin-top: var(--space-2xl);
}

.article__author-image {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
    border: 2px solid var(--color-silver);
}

.article__author-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
}

.article__author-name {
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.article__author-role {
    font-size: 0.875rem;
    color: var(--color-gray);
}

/* Table of Contents */
.article__toc {
    background: var(--color-off-white);
    border: 1px solid var(--color-silver);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.article__toc-title {
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-gray);
    margin-bottom: var(--space-sm);
}

.article__toc ol {
    list-style: decimal;
    padding-left: var(--space-md);
    margin: 0;
}

.article__toc li {
    padding: 0.375rem 0;
}

.article__toc a {
    color: var(--color-gray-dark);
    font-size: 0.9375rem;
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition-fast);
}

.article__toc a:hover {
    color: var(--color-dark);
}

/* Responsive */
@media (max-width: 768px) {
    .blog-grid {
        grid-template-columns: 1fr;
    }

    .blog-card__body {
        padding: var(--space-md);
    }

    .article__header {
        margin-bottom: var(--space-xl);
    }

    .article__content h2 {
        font-size: 1.5rem;
    }

    .article__cta {
        padding: var(--space-xl);
    }

    .article__author {
        flex-direction: column;
        text-align: center;
    }

    .article__table-wrap {
        margin-left: calc(var(--container-padding) * -1);
        margin-right: calc(var(--container-padding) * -1);
        border-radius: 0;
        border-left: none;
        border-right: none;
    }
}

@media (max-width: 480px) {
    .blog-card__title {
        font-size: 1.25rem;
    }

    .article__cta-actions {
        flex-direction: column;
    }

    .article__cta-actions .btn {
        width: 100%;
    }
}

/* ========================================
   Animations
   ======================================== */

/* Fade-in on scroll */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Blog cards staggered entrance */
.blog-card {
    opacity: 0;
    animation: fadeInUp 0.6s var(--transition-spring) forwards;
}

.blog-card:nth-child(1) { animation-delay: 0.1s; }
.blog-card:nth-child(2) { animation-delay: 0.25s; }
.blog-card:nth-child(3) { animation-delay: 0.4s; }
.blog-card:nth-child(4) { animation-delay: 0.15s; }
.blog-card:nth-child(5) { animation-delay: 0.3s; }
.blog-card:nth-child(6) { animation-delay: 0.45s; }
.blog-card:nth-child(7) { animation-delay: 0.2s; }

/* Article sections fade in */
.article__content h2,
.article__content h3,
.article__info-box,
.article__table-wrap,
.article__cta,
.article__author {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.article__content h2.is-visible,
.article__content h3.is-visible,
.article__info-box.is-visible,
.article__table-wrap.is-visible,
.article__cta.is-visible,
.article__author.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Blog hero entrance */
.blog-hero__tag {
    opacity: 0;
    animation: fadeInUp 0.5s ease 0.1s forwards;
}

.blog-hero__title {
    opacity: 0;
    animation: fadeInUp 0.5s ease 0.2s forwards;
}

.blog-hero__subtitle {
    opacity: 0;
    animation: fadeInUp 0.5s ease 0.3s forwards;
}

/* Article header entrance */
.article__meta {
    opacity: 0;
    animation: fadeIn 0.5s ease 0.1s forwards;
}

.article__title {
    opacity: 0;
    animation: fadeInUp 0.6s ease 0.15s forwards;
}

.article__lead {
    opacity: 0;
    animation: fadeInUp 0.6s ease 0.25s forwards;
}

/* TOC entrance */
.article__toc {
    opacity: 0;
    animation: fadeInUp 0.5s ease 0.35s forwards;
}

/* Info box hover effect */
.article__info-box {
    transition: opacity 0.5s ease, transform 0.5s ease, box-shadow 0.3s ease;
}

.article__info-box:hover {
    box-shadow: var(--shadow-md);
}

/* Table row highlight on hover */
.article__table tr {
    transition: background-color 0.2s ease;
}

.article__table tbody tr:hover td {
    background: rgba(0, 0, 0, 0.03);
}

/* CTA pulse on scroll-in */
.article__cta.is-visible {
    animation: fadeInUp 0.6s ease forwards;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .blog-card,
    .blog-hero__tag,
    .blog-hero__title,
    .blog-hero__subtitle,
    .article__meta,
    .article__title,
    .article__lead,
    .article__toc {
        opacity: 1;
        animation: none;
        transform: none;
    }

    .article__content h2,
    .article__content h3,
    .article__info-box,
    .article__table-wrap,
    .article__cta,
    .article__author {
        opacity: 1;
        transform: none;
        transition: none;
    }
}