/* ============================================
   FitIQ Hub - Card Styles
   ============================================ */

/* ============================================
   TOOL CARDS
   ============================================ */

   .tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-3xl);
}

.tool-card {
    background-color: var(--bg-darker);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    position: relative;
    overflow: hidden;
}

.tool-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.tool-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 8px 32px rgba(0, 230, 118, 0.15);
    transform: translateY(-4px);
}

.tool-card:hover::before {
    opacity: 1;
}

.tool-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 230, 118, 0.1);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.tool-card:hover .tool-icon {
    background: rgba(0, 230, 118, 0.2);
    transform: scale(1.1);
}

.tool-icon img {
    width: 36px;
    height: 36px;
    filter: brightness(1.2);
}

.tool-title {
    font-size: var(--fs-xl);
    font-weight: var(--fw-bold);
    margin: var(--spacing-md) 0 0 0;
}

.tool-description {
    color: var(--text-light-gray);
    font-size: var(--fs-sm);
    line-height: 1.6;
    margin: 0;
    flex-grow: 1;
}

.tool-cta {
    display: inline-block;
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: rgba(0, 230, 118, 0.1);
    color: var(--primary-color);
    font-weight: var(--fw-semibold);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    border: 1px solid var(--primary-color);
}

.tool-cta:hover {
    background: var(--primary-color);
    color: var(--bg-dark);
}

/* ============================================
   FEATURED ARTICLE CARDS
   ============================================ */

.featured-articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-3xl);
}

.featured-article-card {
    background-color: var(--bg-darker);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    position: relative;
    overflow: hidden;
}

.featured-article-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 0;
    background: var(--primary-color);
    transition: height var(--transition-base);
}

.featured-article-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 8px 32px rgba(0, 230, 118, 0.15);
    transform: translateX(4px);
}

.featured-article-card:hover::before {
    height: 100%;
}

.article-header {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.article-category {
    display: inline-block;
    width: fit-content;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(0, 230, 118, 0.15);
    color: var(--primary-color);
    font-size: var(--fs-xs);
    font-weight: var(--fw-bold);
    border-radius: var(--radius-md);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.article-title {
    font-size: var(--fs-xl);
    font-weight: var(--fw-bold);
    line-height: 1.3;
    margin: 0;
    color: var(--text-white);
}

.featured-article-card:hover .article-title {
    color: var(--primary-color);
}

.article-excerpt {
    color: var(--text-light-gray);
    font-size: var(--fs-sm);
    line-height: 1.7;
    margin: 0;
    flex-grow: 1;
}

.article-meta {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
    font-size: var(--fs-xs);
    color: var(--text-medium-gray);
}

.read-time {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.read-time::before {
    content: '⏱';
}

.article-link {
    display: inline-block;
    margin-top: var(--spacing-md);
    color: var(--primary-color);
    font-weight: var(--fw-semibold);
    font-size: var(--fs-sm);
    transition: all var(--transition-base);
    position: relative;
    width: fit-content;
}

.article-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width var(--transition-base);
}

.article-link:hover::after {
    width: 100%;
}

/* ============================================
   ARTICLE CARDS (Index/Grid view)
   ============================================ */

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.article-card {
    background-color: var(--bg-darker);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.article-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

.article-card .article-title {
    font-size: var(--fs-lg);
}

.article-card .article-excerpt {
    font-size: var(--fs-sm);
    flex-grow: 1;
}

/* ============================================
   GENERAL CARD COMPONENT
   ============================================ */

.card {
    background-color: var(--bg-darker);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: all var(--transition-base);
}

.card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-glow);
}

.card-header {
    margin-bottom: var(--spacing-md);
}

.card-body {
    margin-bottom: var(--spacing-md);
}

.card-footer {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

/* ============================================
   VIEW ALL LINKS
   ============================================ */

.view-all {
    text-align: center;
    margin-top: var(--spacing-xl);
}

.view-all-link {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-xl);
    color: var(--primary-color);
    font-weight: var(--fw-bold);
    border: 2px solid var(--primary-color);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.view-all-link:hover {
    background-color: var(--primary-color);
    color: var(--bg-dark);
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 768px) {
    .tools-grid,
    .featured-articles-grid,
    .articles-grid {
        grid-template-columns: 1fr;
    }

    .tool-card,
    .featured-article-card,
    .article-card {
        padding: var(--spacing-lg);
    }

    .tool-title,
    .article-title {
        font-size: var(--fs-lg);
    }
}