@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Merriweather:ital,wght@0,300;0,400;0,700;1,300&display=swap');

:root {
    /* Enterprise Light Theme */
    --primary-color: #B11226; /* Dark Red */
    --primary-hover: #8B0000;
    --text-main: #1A1A1A;
    --text-muted: #4A4A4A;
    --bg-color: #F8F9FA;
    --card-bg: #FFFFFF;
    --border-color: #E0E0E0;
    --ad-bg: #F0F0F0;
    --ad-border: #CCCCCC;
    --max-width: 1200px;
    --neon-glow: 0 0 10px rgba(177, 18, 38, 0.3);
    --glass-bg: rgba(255, 255, 255, 0.8);
    --transition-speed: 0.3s;
}

:root[data-theme="dark"] {
    /* Enterprise Dark Theme (Custom Request) */
    --primary-color: #B11226; /* Dark Red */
    --primary-hover: #FF2A3A; /* Brighter red on hover for contrast */
    --text-main: #EAEAEA; /* Soft White */
    --text-muted: #A0A0A0;
    --bg-color: #0A0A0A; /* Black / Charcoal */
    --card-bg: #1A1A1A; /* Secondary Surface Dark Gray */
    --border-color: #333333;
    --ad-bg: #121212;
    --ad-border: #444444;
    --neon-glow: 0 0 15px rgba(255, 42, 58, 0.6);
    --glass-bg: rgba(10, 10, 10, 0.8);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    transition: background-color var(--transition-speed), color var(--transition-speed);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-speed), text-shadow var(--transition-speed);
}

a:hover {
    color: var(--primary-hover);
    text-shadow: var(--neon-glow);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.2s ease;
}

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

/* Header */
.site-header {
    background-color: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    transition: background-color var(--transition-speed), border-color var(--transition-speed);
}

.header-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-main);
    letter-spacing: -0.025em;
}

.nav-links {
    display: flex;
    gap: 1.5rem;
}

.nav-links a {
    color: var(--text-main);
    font-weight: 500;
}

.nav-links a:hover {
    color: var(--primary-color);
}

/* Main Content */
.main-content {
    max-width: var(--max-width);
    margin: 2rem auto;
    padding: 0 1.5rem;
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 2rem;
    min-height: calc(100vh - 200px);
}

@media (max-width: 900px) {
    .main-content {
        grid-template-columns: 1fr;
    }
}

/* Articles Grid */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.article-card {
    background: var(--card-bg);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed), border-color var(--transition-speed);
    display: flex;
    flex-direction: column;
}

.article-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 24px -8px rgba(0, 0, 0, 0.5), var(--neon-glow);
    border-color: var(--primary-color);
}

.article-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background-color: var(--border-color);
}

.article-content {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.article-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    line-height: 1.3;
}

.article-title a {
    color: var(--text-main);
}

.article-title a:hover {
    color: var(--primary-color);
}

.article-meta {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.article-excerpt {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.read-more {
    font-weight: 600;
    font-size: 0.875rem;
    display: inline-flex;
    align-items: center;
}

.read-more::after {
    content: "→";
    margin-left: 0.25rem;
    transition: transform 0.2s;
}

.read-more:hover::after {
    transform: translateX(4px);
}

/* Single Article Layout */
.single-article {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 2.5rem;
    border: 1px solid var(--border-color);
    transition: background-color var(--transition-speed), border-color var(--transition-speed);
}

.single-header {
    margin-bottom: 2rem;
}

.single-title {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1rem;
    letter-spacing: -0.025em;
}

.single-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.single-hero-img {
    width: 100%;
    max-height: 500px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 2rem;
}

.single-body {
    font-family: 'Merriweather', serif;
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-main);
}

.single-body p {
    margin-bottom: 1.5rem;
}

.single-body h2, .single-body h3 {
    font-family: 'Inter', sans-serif;
    color: var(--text-main);
    margin-top: 2.5rem;
    margin-bottom: 1rem;
}

.single-body h2 {
    font-size: 1.75rem;
    font-weight: 700;
}

/* Adsterra Placeholders Styling */
.ad-container {
    margin: 2rem 0;
    text-align: center;
}

.ad-placeholder {
    background-color: var(--ad-bg);
    border: 2px dashed var(--ad-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.875rem;
    border-radius: 8px;
}

.ad-social-bar {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 300px;
    height: 100px;
    background-color: rgba(255, 255, 255, 0.9);
    border: 1px solid var(--ad-border);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

.ad-native-banner {
    width: 100%;
    min-height: 250px;
    margin: 2rem 0;
}

.ad-banner-160x300 {
    width: 160px;
    min-height: 600px;
    margin: 0 auto 1.5rem auto;
}

/* Sidebar */
.sidebar {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.sidebar-widget {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 1.5rem;
    border: 1px solid var(--border-color);
}

.widget-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--bg-color);
}

/* Smartlink Button */
.btn-smartlink {
    display: block;
    text-align: center;
    background-color: var(--primary-color);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    font-weight: 600;
    margin-top: 1rem;
    transition: background-color 0.2s;
}

.btn-smartlink:hover {
    background-color: var(--primary-hover);
    color: white;
}

/* Footer */
.site-footer {
    background-color: var(--card-bg);
    border-top: 1px solid var(--border-color);
    padding: 3rem 1.5rem;
    text-align: center;
    color: var(--text-muted);
    margin-top: 4rem;
}

.site-footer p {
    margin-bottom: 0.5rem;
}