:root {
    --primary-color: #d32f2f;
    --secondary-color: #111111;
    --bg-color: #f4f6f8;
    --text-color: #333333;
    --white: #ffffff;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 15px;
}

header {
    background-color: var(--white);
    border-top: 4px solid var(--primary-color);
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    padding: 10px 0;
    display: flex;
    justify-content: center;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 350px;
    width: 100%;
    padding: 0 10px;
}

.logo-link { text-decoration: none; }
.logo {
    font-size: 1.6rem;
    font-weight: 900;
    color: var(--primary-color);
    letter-spacing: -1px;
    text-transform: uppercase;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 15px;
}

nav ul li a {
    text-decoration: none;
    color: var(--secondary-color);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.85rem;
    transition: color 0.3s;
}

nav ul li a:hover { color: var(--primary-color); }

main { padding: 30px 0; }

.main-article {
    background: var(--white);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    margin-bottom: 30px;
}

#detail-title {
    font-size: 2.2rem;
    color: var(--secondary-color);
    margin-bottom: 20px;
    line-height: 1.3;
}

.detail-image { text-align: center; }
.detail-image img {
    width: 100%;
    max-height: 500px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 20px;
    transition: opacity 0.3s ease;
}
.detail-image img:hover { opacity: 0.9; }

.article-content p {
    font-size: 1.15rem;
    margin-bottom: 18px;
    color: #444;
}

.related-posts-section { margin-top: 40px; }

.section-title {
    font-size: 1.6rem;
    border-left: 5px solid var(--primary-color);
    padding-left: 12px;
    margin-bottom: 20px;
    color: var(--secondary-color);
    text-transform: uppercase;
}

.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 20px;
}

.content-card {
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
}

.content-card:hover { transform: translateY(-5px); }

.content-card a {
    text-decoration: none;
    color: inherit;
    display: block;
}

.content-card img {
    width: 100%;
    height: 160px;
    object-fit: cover;
    border-bottom: 3px solid var(--primary-color);
}

.content-card-body { padding: 15px; }

.content-card-body h3 {
    font-size: 1rem;
    line-height: 1.4;
    color: var(--secondary-color);
    font-weight: 700;
}

footer {
    background: var(--secondary-color);
    color: #aaa;
    text-align: center;
    padding: 20px 0;
    margin-top: 40px;
}

#inapp-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 100vw; height: 100vh;
    background-color: rgba(0, 0, 0, 0.96);
    z-index: 99999;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 30px;
    color: #fff;
}

#inapp-overlay h2 {
    color: #ffcc00;
    font-size: 1.8rem;
    margin-bottom: 15px;
}

#inapp-overlay p {
    font-size: 1.2rem;
    line-height: 1.6;
    margin-bottom: 25px;
}

.btn-redirect {
    background-color: #ffcc00;
    color: #111;
    padding: 16px 32px;
    font-size: 1.3rem;
    font-weight: bold;
    text-decoration: none;
    border-radius: 50px;
    box-shadow: 0 4px 15px rgba(255, 204, 0, 0.4);
    transition: all 0.2s ease-in-out;
    animation: pulse 1.5s infinite;
}

.btn-redirect:hover {
    background-color: #e6b800;
    transform: scale(1.05);
}

@keyframes pulse {
    0% { transform: scale(1); box-shadow: 0 4px 15px rgba(255, 204, 0, 0.4); }
    50% { transform: scale(1.05); box-shadow: 0 4px 20px rgba(255, 204, 0, 0.7); }
    100% { transform: scale(1); box-shadow: 0 4px 15px rgba(255, 204, 0, 0.4); }
}

@media (max-width: 768px) {
    #detail-title { font-size: 1.8rem; }
    .content-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
    .content-grid { grid-template-columns: 1fr; }
    .main-article { padding: 20px 15px; }
    .btn-redirect { font-size: 1.1rem; padding: 14px 28px; }
}