/* ===================================
   CONTENT GRID & CARDS
   =================================== */

/* Grid Layout */
.content-grid {
    max-width: 1100px;
    margin: 4rem auto;
    padding: 0 1rem;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
}

/* Base Card Styles */
.card {
    border-radius: 1.5rem;
    overflow: hidden;
    background-color: var(--color-bg-elements);
    transition: all 0.3s ease;
    cursor: pointer;
}

.card-image {
    aspect-ratio: 16 / 10;
    background-color: var(--color-general-nearblack);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    border-radius: 1.5rem;
}

.placeholder-image {
    width: 100%;
    height: 100%;
    background-color: var(--color-general-nearblack);
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.image-caption {
    position: absolute;
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%);
    background-color: rgba(255, 255, 255, 0.9);
    padding: 0.5rem 1rem;
    border-radius: 1rem;
    font-size: 0.875rem;
    color: var(--color-bg);
    font-weight: 500;
}

.card-text {
    padding: 1.5rem;
    background-color: transparent;
}

/* Make entire card clickable */
.card a {
    display: block;
    text-decoration: none;
    color: inherit;
}

/* ===================================
   BOOK CARD
   =================================== */
.card-book:hover {
    background-color: var(--color-book-primary-dark);
}

.card-book:hover .card-image {
    background-color: var(--color-book-primary-dark);
}

.card-book:hover .placeholder-image {
    background-color: var(--color-book-primary-medium);
}

.card-book:hover .card-text {
    color: var(--color-book-primary-light);
}

.card-book:hover h2 {
    background: linear-gradient(45deg, 
        var(--color-book-primary-light) 0%,
        var(--color-book-primary-medium) 100%
    );
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* ===================================
   ARTICLES CARD
   =================================== */

/* Articles stack container */
.article-stack {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Base frame styling */
.article-frame {
    position: absolute;
    border-radius: 1rem;
    overflow: hidden;
    border: 2px solid rgba(255, 255, 255, 0.3);
    background-color: var(--color-general-nearblack);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
}

/* Color overlay - hidden by default */
.article-frame::after {
    content: '';
    position: absolute;
    inset: 0;
    background-color: var(--color-articles-secondary-2);
    opacity: 0;
    z-index: 2;
    pointer-events: none;
    mix-blend-mode: color;
}

.article-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    filter: grayscale(100%);
}

/* Back frame - furthest back (image 2) */
.article-frame.frame-back {
    width: 60%;
    height: 65%;
    transform: translateX(-15%) translateY(0%);
    z-index: 1;
}

/* Dark overlay for back frame */
.article-frame.frame-back::before {
    content: '';
    position: absolute;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.4);
    z-index: 1;
}

/* Middle frame - (image 3) */
.article-frame.frame-middle {
    width: 60%;
    height: 65%;
    transform: translateX(15%) translateY(0%);
    z-index: 2;
}

/* Dark overlay for middle frame */
.article-frame.frame-middle::before {
    content: '';
    position: absolute;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.4);
    z-index: 1;
}

/* Front frame - main focus (image 1 with caption) */
.article-frame.frame-front {
    width: 70%;
    height: 75%;
    transform: translateX(0) translateY(0);
    z-index: 3;
    border: 3px solid rgba(255, 255, 255, 0.5);
}

/* Caption on front frame */
.article-frame.frame-front .image-caption {
    position: absolute;
    bottom: 0.75rem;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--color-articles-primary-light);
    padding: 0.4rem 0.9rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    color: var(--color-general-nearblack);
    font-weight: 500;
    z-index: 4;
}

/* Hover state - articles card */
.card-articles:hover {
    background-color: var(--color-articles-primary-dark);
}

.card-articles:hover .card-image {
    background-color: var(--color-articles-primary-light);
}

.card-articles:hover .article-frame {
    border-color: var(--color-articles-primary-light);
}

.card-articles:hover .article-frame img {
    filter: grayscale(0%);
}

.card-articles:hover h2 {
    background: linear-gradient(45deg, 
        var(--color-articles-primary-light) 0%,
        var(--color-articles-primary-medium) 100%
    );
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Show color overlay on hover */
.card-articles:hover .article-frame::after {
    opacity: 1;  /* Adjust this value for intensity */
}

/* ===================================
   VIDEOS CARD
   =================================== */
.card-videos:hover {
    background-color: var(--color-videos-primary-dark);
}

.card-videos:hover .card-image {
    background-color: var(--color-videos-primary-light);
}

.card-videos:hover h2 {
    background: linear-gradient(45deg, 
        var(--color-videos-primary-light) 0%,
        var(--color-videos-primary-medium) 100%
    );
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.card-videos:hover .youtube-illustration.default {
    display: none;
}

.card-videos:hover .youtube-illustration.hover {
    display: block;
}

.youtube-illustration {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.youtube-illustration.hover {
    display: none;
}

/* ===================================
   ABOUT CARD
   =================================== */
.card-about:hover {
    background-color: var(--color-about-primary-dark);
}

.card-about:hover .card-image {
    background-color: var(--color-about-primary-dark);
}

.card-about:hover .placeholder-image {
    background-color: var(--color-about-primary-medium);
}

.card-about:hover h2 {
    background: linear-gradient(45deg, 
        var(--color-about-primary-light) 0%,
        var(--color-about-primary-medium) 100%
    );
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}