:root {
    --bg-main: #0B0E14;
    --bg-card: #151A22;
    --bg-card-hover: #1D232D;
    --border-color: #262D38;
    --accent-blue: #38BDF8;
    --accent-cyan: #06B6D4;
    --accent-gradient: linear-gradient(135deg, #38BDF8, #06B6D4);
    --text-primary: #F1F5F9;
    --text-secondary: #94A3B8;
    --text-muted: #64748B;
    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

header {
    background: rgba(11, 14, 20, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.25rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--text-primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-dot {
    width: 10px;
    height: 10px;
    background: var(--accent-gradient);
    border-radius: 50%;
}

nav a {
    color: var(--text-secondary);
    text-decoration: none;
    margin-left: 2rem;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.2s ease;
}

nav a:hover {
    color: var(--accent-blue);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 3rem 2rem;
}

.hero {
    padding: 4rem 0 3rem;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 3.5rem;
}

.hero-badge {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: rgba(56, 189, 248, 0.1);
    color: var(--accent-blue);
    border: 1px solid rgba(56, 189, 248, 0.2);
    border-radius: 9999px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1.5rem;
}

.hero h1 {
    font-family: var(--font-heading);
    font-size: 3.25rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 1.25rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 780px;
    margin: 0 auto 2rem;
}

.article-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-blue);
}

.card-meta {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

.card h2, .card h3 {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    line-height: 1.35;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.card a.read-more {
    color: var(--accent-blue);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.card a.read-more:hover {
    text-decoration: underline;
}

.article-content {
    max-width: 840px;
    margin: 0 auto;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 3.5rem;
}

.article-header {
    margin-bottom: 2.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.article-header h1 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    line-height: 1.25;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.article-body {
    font-size: 1.05rem;
    color: #CBD5E1;
}

.article-body h2 {
    font-family: var(--font-heading);
    font-size: 1.7rem;
    margin: 2.5rem 0 1rem;
    color: var(--text-primary);
}

.article-body h3 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    margin: 2rem 0 0.75rem;
    color: var(--text-primary);
}

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

.article-body a {
    color: var(--accent-blue);
    text-decoration: none;
    font-weight: 600;
    border-bottom: 1px solid rgba(56, 189, 248, 0.4);
    transition: border-color 0.2s ease;
}

.article-body a:hover {
    border-color: var(--accent-blue);
}

.author-box {
    margin-top: 3.5rem;
    padding: 2rem;
    background: rgba(11, 14, 20, 0.6);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.author-avatar {
    width: 68px;
    height: 68px;
    background: var(--accent-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    font-weight: 800;
    color: #0B0E14;
    flex-shrink: 0;
}

.author-info h4 {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    margin-bottom: 0.25rem;
}

.author-info .author-role {
    font-size: 0.85rem;
    color: var(--accent-blue);
    margin-bottom: 0.5rem;
}

.author-info p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin: 0;
}

footer {
    border-top: 1px solid var(--border-color);
    padding: 3rem 2rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 5rem;
}

footer a {
    color: var(--text-secondary);
    text-decoration: none;
    margin: 0 0.75rem;
}

footer a:hover {
    color: var(--accent-blue);
}

@media (max-width: 768px) {
    .hero h1 { font-size: 2.25rem; }
    .article-content { padding: 2rem 1.5rem; }
    .header-container { flex-direction: column; gap: 1rem; }
    nav a { margin: 0 0.75rem; }
}