* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: white;
    color: #000;
    line-height: 1.6;
}

/* Main article container */
.article-container {
    max-width: 100%;
    margin: 0 auto;
}

/* Hero section with image and title overlay */
.hero-section {
    position: relative;
    width: 100%;
    height: 400px;
    overflow: hidden;
}

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

.article-title {
    position: absolute;
    bottom: 40px;
    left: 40px;
    right: 40px;
    z-index: 10;
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.1;
    color: #000;
}

.article-meta {
    display: flex;
    justify-content: space-between;
    position: absolute;
    z-index: 10;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 20px 40px;
}

.author,
.date {
    font-size: 0.95rem;
    font-weight: 500;
    font-color: black;
}

.hero-section::after {
    content: '';
    z-index: 1;
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 40%;
    background: linear-gradient(to top, rgba(255, 255, 255, 0.4), transparent);
    pointer-events: none;
}

/* Article content */
.article-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 40px 80px;
    background-color: #fff;
    border-left: 3px solid #00FFFF;
    border-right: 3px solid #00FFFF;
}

.article-content .action-buttons {
    padding: 0 0 20px 0;
    margin-top: -20px;
    gap: 10px;
    justify-content: flex-end;
    flex-wrap: nowrap;
    width: 100%;
}

.article-content .action-btn {
    width: 50px;
    height: 30px;
    border-width: 2px;
}

.article-content .action-btn svg {
    width: 20px;
    height: 20px;
}

.btn-with-label {
    display: flex;
    align-items: center;
    gap: 8px;
}

.article-content .btn-label {
    font-size: 0.75rem;
    font-weight: 500;
    color: #000;
    flex-wrap: nowrap;
}

.intro {
    font-size: 1.2rem;
    font-weight: 400; 
    color: #666;
    margin-bottom: 40px;
    line-height: 1.6;
}

h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-top: 32px;
    margin-bottom: 16px;
}

p {
    font-size: 1.15rem;
    font-weight: 300;
    margin-bottom: 20px;
    text-align: justify;
    line-height: 1.6;
}

ul {
    margin: 20px 0;
    padding-left: 40px;
}

li {
    font-size: 1.15rem;
    font-weight: 300;
    margin-bottom: 12px;
    line-height: 1.75;
    text-align: justify;
}

ul li::marker {
    color: cyan; 
}

.additional-notes {
    font-style: italic;
    font-weight: 300; /* Light */
    color: #999;
    margin-top: 40px;
    text-align: center;
}

/* Action buttons */
.action-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    padding: 40px;
    background-color: #fff;
}

.action-btn {
    width: 120px;
    height: 60px;
    border: 3px solid #000;
    border-radius: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s, box-shadow 0.2s;
}

.action-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.action-btn:active {
    transform: translateY(0);
}

.back-btn {
    background-color: #00ffff;
}

.share-btn {
    background-color: #ffff00;
}

.about-btn {
    background-color: #ff00ff;
}

/* Footer */
.footer {
    background-color: #000;
    color: #fff;
    padding: 30px 40px;
    text-align: center;
}

.footer p {
    font-size: 0.85rem;
    font-weight: 400;
    margin: 0;
    text-align: center;
}

/* Responsive design */
@media (max-width: 768px) {
    .article-title {
        font-size: 2rem;
        left: 20px;
        right: 20px;
        bottom: 50px;
    }

    .article-meta {
        padding: 15px 20px;
    }

    .article-content {
        padding: 20px;
margin-top: 0;
    }

    .article-meta,
    .article-content {
        padding: 20px;
    }

.article-content .action-buttons {
        padding-top: 10px;
        margin-top: 0;
    }

    .action-buttons {
        flex-wrap: wrap;
        padding: 20px;
    }

    .action-btn {
        width: 100px;
        height: 50px;
    }

    h2 {
        font-size: 1.3rem;
    }
}

/* Font weight utility classes */
.fw-extralight { font-weight: 200; }
.fw-light { font-weight: 300; }
.fw-regular { font-weight: 400; }
.fw-medium { font-weight: 500; }
.fw-semibold { font-weight: 600; }
.fw-bold { font-weight: 700; }
.fw-extrabold { font-weight: 800; }
.fw-black { font-weight: 900; }

/* Nav bar */
.fixed-nav {
    transition: transform 0.3s ease-in-out;
}

.fixed-nav-transparent {
    background-color: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(5px);
}