:root {
    --primary-green: #4e9331;
    --text-main: #e0e0e0;
    --text-muted: #a0a0a0;
}

/* Page Setup */
.container {
    max-width: 900px;
    margin: 40px auto;
    padding: 0 20px;
}

.article-header-banner {
    width: 100%;
    height: 320px;
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    margin-bottom: 40px;
    border: 1px solid #333;
    background-color: #000;
}

.banner-bg-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
}

.banner-overlay {
    position: relative;
    z-index: 2;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 35px;
    box-sizing: border-box;
    background: linear-gradient(to top, rgba(0,0,0,0.9) 10%, rgba(0,0,0,0.2) 100%);
}

.breadcrumb-on-banner {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
    color: rgba(255,255,255,0.7);
}

.breadcrumb-on-banner a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s;
}

.breadcrumb-on-banner a:hover {
    color: var(--primary-green);
}

.breadcrumb-on-banner .separator {
    margin: 0 5px;
    opacity: 0.5;
}

.post-title {
    font-size: 2.8rem;
    color: #fff;
    margin: 0 0 10px 0;
    line-height: 1.1;
    font-weight: 800;
    text-shadow: 0 2px 10px rgba(0,0,0,0.5);
}

.post-meta-on-banner {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
    color: var(--text-muted);
}

.dot-separator { opacity: 0.5; }

.post-wrapper {
    padding: 0 5px;
}

.post-content {
    font-size: 1.15rem;
    line-height: 1.8;
    color: var(--text-main);
}

.post-content h2, .post-content h3 {
    color: #fff;
    margin: 2em 0 0.8em;
}

.post-content p {
    margin-bottom: 1.5em;
}

.post-content strong {
    color: var(--primary-green);
}

.post-content img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    margin: 25px 0;
    border: 1px solid #333;
}

.post-content blockquote {
    border-left: 4px solid var(--primary-green);
    background: rgba(255, 255, 255, 0.03);
    padding: 20px 30px;
    margin: 30px 0;
    font-style: italic;
}

.author-card {
    margin-top: 60px;
    padding: 30px;
    background: #151515;
    border-radius: 12px;
    border: 1px solid #252525;
}

.written-by {
    font-size: 0.7rem;
    text-transform: uppercase;
    color: var(--primary-green);
    letter-spacing: 2px;
    font-weight: bold;
    display: block;
    margin-bottom: 5px;
}

.author-name {
    font-size: 1.4rem;
    margin: 0;
    color: #fff;
}

.author-role {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin: 0;
}

.btn-back {
    display: inline-block;
    margin-top: 50px;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.2s;
}

.btn-back:hover {
    color: var(--primary-green);
}

.video-container {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    margin: 20px 0;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .article-header-banner { height: 260px; }
    .post-title { font-size: 1.8rem; }
    .banner-overlay { padding: 20px; }
    .post-content { font-size: 1.05rem; }
}