/* Post Cards Layout - Military Theme */
.posts-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

.posts-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin: 2rem 0;
}

.post-card {
    background: linear-gradient(135deg, #2d2d2d, #1a1a1a);
    border: 1px solid #444;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
    position: relative;
    cursor: pointer;
    text-decoration: none;
    color: inherit;
}

.post-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(43, 188, 138, 0.2);
    border-color: #2bbc8a;
}

.post-card-image {
    position: relative;
    height: 160px;
    overflow: hidden;
    background: #1a1a1a;
}

.post-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.post-card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        135deg,
        rgba(43, 188, 138, 0.1) 0%,
        rgba(0, 0, 0, 0.3) 100%
    );
    opacity: 0;
    transition: opacity 0.3s ease;
}

.post-card:hover .post-card-overlay {
    opacity: 1;
}

.post-card-category {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: rgba(43, 188, 138, 0.9);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    backdrop-filter: blur(10px);
}

.post-card-date {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(0, 0, 0, 0.7);
    color: #fff;
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.8rem;
    backdrop-filter: blur(10px);
}

.post-card-content {
    padding: 1.25rem;
}

.post-card-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: #fff;
    line-height: 1.3;
    margin-bottom: 0.75rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.post-card-excerpt {
    color: #aaa;
    font-size: 0.9rem;
    line-height: 1.4;
    margin-bottom: 1rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.post-card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid #333;
}

.post-card-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    flex: 1;
}

.post-tag {
    background: rgba(43, 188, 138, 0.1);
    color: #2bbc8a;
    padding: 0.2rem 0.6rem;
    border-radius: 10px;
    font-size: 0.75rem;
    font-weight: 500;
    border: 1px solid rgba(43, 188, 138, 0.3);
}

.post-card-read-more {
    color: #2bbc8a;
    font-size: 0.9rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-left: 1rem;
    transition: all 0.3s ease;
}

.post-card:hover .post-card-read-more {
    color: #fff;
    transform: translateX(5px);
}

/* Fallback for posts without images */
.post-card-no-image {
    background: linear-gradient(135deg, #2d2d2d, #1a1a1a);
    border: 2px solid #444;
}

.post-card-no-image .post-card-content {
    padding: 2rem 1.5rem;
}

.post-card-no-image .post-card-category {
    position: static;
    display: inline-block;
    margin-bottom: 1rem;
}

.post-card-no-image .post-card-date {
    position: static;
    background: rgba(43, 188, 138, 0.1);
    color: #2bbc8a;
    float: right;
    margin-top: -2.5rem;
}

/* Year headers */
.posts-year-header {
    font-size: 2rem;
    font-weight: 700;
    color: #2bbc8a;
    margin: 3rem 0 2rem 0;
    text-align: center;
    position: relative;
}

.posts-year-header::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #2bbc8a, #239a70);
    border-radius: 2px;
}

/* Loading animation for cards */
.post-card {
    animation: fadeInUp 0.6s ease-out forwards;
    opacity: 0;
    transform: translateY(30px);
}

.post-card:nth-child(1) { animation-delay: 0.1s; }
.post-card:nth-child(2) { animation-delay: 0.2s; }
.post-card:nth-child(3) { animation-delay: 0.3s; }
.post-card:nth-child(4) { animation-delay: 0.4s; }
.post-card:nth-child(5) { animation-delay: 0.5s; }
.post-card:nth-child(6) { animation-delay: 0.6s; }

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive design */
@media (max-width: 1024px) {
    .posts-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.25rem;
    }
}

@media (max-width: 768px) {
    .posts-container {
        padding: 1rem;
    }
    
    .posts-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        margin: 1rem 0;
    }
    
    .post-card-content {
        padding: 1.25rem;
    }
    
    .post-card-title {
        font-size: 1.2rem;
    }
    
    .post-card-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }
    
    .post-card-read-more {
        margin-left: 0;
        align-self: flex-end;
    }
}

@media (max-width: 480px) {
    .post-card-image {
        height: 160px;
    }
    
    .post-card-content {
        padding: 1rem;
    }
    
    .post-card-title {
        font-size: 1.1rem;
    }
    
    .post-card-excerpt {
        font-size: 0.9rem;
    }
}

/* Special styling for different categories */
.post-card[data-category="Network"] {
    border-color: #4CAF50;
}

.post-card[data-category="Virtualization"] {
    border-color: #2196F3;
}

.post-card[data-category="Linux"] {
    border-color: #FF9800;
}

.post-card[data-category="Security"] {
    border-color: #F44336;
}

.post-card[data-category="IoT"] {
    border-color: #9C27B0;
}

.post-card[data-category="Walkthroughs"] {
    border-color: #FF5722;
}

.post-card[data-category="CTF"] {
    border-color: #E91E63;
}

/* Hover effects for categories */
.post-card[data-category="Network"]:hover {
    box-shadow: 0 12px 30px rgba(76, 175, 80, 0.2);
}

.post-card[data-category="Virtualization"]:hover {
    box-shadow: 0 12px 30px rgba(33, 150, 243, 0.2);
}

.post-card[data-category="Linux"]:hover {
    box-shadow: 0 12px 30px rgba(255, 152, 0, 0.2);
}

.post-card[data-category="Security"]:hover {
    box-shadow: 0 12px 30px rgba(244, 67, 54, 0.2);
}

.post-card[data-category="IoT"]:hover {
    box-shadow: 0 12px 30px rgba(156, 39, 176, 0.2);
}

.post-card[data-category="Walkthroughs"]:hover {
    box-shadow: 0 12px 30px rgba(255, 87, 34, 0.2);
}

.post-card[data-category="CTF"]:hover {
    box-shadow: 0 12px 30px rgba(233, 30, 99, 0.2);
}