:root {
    --bg: #09090b;
    --fg: #fafafa;
    --accent: #10b981;
    --accent-soft: rgba(16, 185, 129, 0.1);
    --border: rgba(255, 255, 255, 0.08);
    --card-bg: rgba(255, 255, 255, 0.03);
    --card-hover: rgba(255, 255, 255, 0.05);
    --slate-300: #cbd5e1;
    --slate-400: #94a3b8;
    --slate-500: #64748b;
    --slate-600: #475569;
    --radius: 12px;
}

* { margin: 0; padding: 0; box-sizing: border-box; -webkit-font-smoothing: antialiased; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--fg);
    line-height: 1.6;
}

h1, h2, h3, h4 { 
    font-family: 'Manrope', 'Inter', sans-serif; 
    letter-spacing: -0.02em;
    line-height: 1.2;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

/* Navigation */
nav {
    padding: 20px 0;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    background: rgba(9, 9, 11, 0.85);
    backdrop-filter: blur(12px);
    z-index: 100;
}
.nav-inner {
    display: flex; justify-content: space-between; align-items: center;
    max-width: 1100px; margin: 0 auto; padding: 0 24px;
}
.logo {
    font-weight: 800; font-size: 1.25rem; color: var(--fg);
    display: flex; align-items: center; gap: 10px;
}
.logo-dot {
    width: 10px; height: 10px; background: var(--accent);
    border-radius: 50%; box-shadow: 0 0 12px rgba(16, 185, 129, 0.5);
}
.nav-links { display: flex; gap: 24px; align-items: center; }
.nav-links a { color: var(--slate-400); font-size: 0.9rem; font-weight: 500; }
.nav-links a:hover { color: var(--fg); text-decoration: none; }

/* Hero */
.hero {
    padding: 100px 0 60px;
    text-align: center;
    position: relative;
}
.hero::before {
    content: '';
    position: absolute;
    top: -80px; left: 50%; transform: translateX(-50%);
    width: 700px; height: 350px;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.12) 0%, transparent 70%);
    filter: blur(60px); z-index: -1;
}
.hero h1 { font-size: 3rem; margin-bottom: 16px; font-weight: 800; }
.hero .gradient-text {
    background: linear-gradient(135deg, #10b981 0%, #34d399 50%, #6ee7b7 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.hero p { color: var(--slate-400); font-size: 1.15rem; max-width: 600px; margin: 0 auto 32px; }

/* Content grid */
.section-header {
    margin-bottom: 48px;
    padding-top: 20px;
}
.section-header h2 { font-size: 2rem; margin-bottom: 8px; }
.section-header p { color: var(--slate-500); }

.article-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
    margin-bottom: 80px;
}

.article-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    transition: all 0.2s;
    display: block;
    color: var(--fg);
}
.article-card:hover {
    border-color: var(--accent);
    background: var(--card-hover);
    text-decoration: none;
    transform: translateY(-2px);
}
.article-card .category {
    display: inline-block;
    padding: 4px 10px;
    background: var(--accent-soft);
    color: var(--accent);
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 16px;
}
.article-card h3 { font-size: 1.2rem; margin-bottom: 8px; }
.article-card p { color: var(--slate-400); font-size: 0.9rem; line-height: 1.5; }

/* Article page */
.article-header {
    padding: 80px 0 40px;
    text-align: center;
}
.article-header h1 { font-size: 2.5rem; max-width: 800px; margin: 0 auto 16px; }
.article-header .meta { color: var(--slate-500); font-size: 0.9rem; }
.article-body {
    max-width: 750px;
    margin: 0 auto;
    padding: 0 24px 80px;
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--slate-300);
}
.article-body h2 { 
    font-size: 1.6rem; 
    color: var(--fg); 
    margin: 48px 0 16px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}
.article-body h3 { font-size: 1.2rem; color: var(--fg); margin: 32px 0 12px; }
.article-body p { margin-bottom: 20px; }
.article-body ul, .article-body ol { margin-bottom: 20px; padding-left: 24px; }
.article-body li { margin-bottom: 8px; color: var(--slate-400); }
.article-body strong { color: var(--fg); }

/* Comparison table */
.compare-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin: 32px 0;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    font-size: 0.9rem;
}
.compare-table th {
    background: var(--card-bg);
    padding: 14px 16px;
    text-align: left;
    font-weight: 600;
    color: var(--fg);
    border-bottom: 1px solid var(--border);
}
.compare-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    color: var(--slate-400);
}
.compare-table tr:last-child td { border-bottom: none; }
.compare-table .winner { color: var(--accent); font-weight: 600; }

/* CTA button */
.cta-btn {
    display: inline-block;
    padding: 14px 32px;
    background: var(--accent);
    color: #000;
    border-radius: 8px;
    font-weight: 700;
    font-size: 1rem;
    transition: all 0.2s;
    border: none;
    cursor: pointer;
}
.cta-btn:hover { 
    opacity: 0.9; 
    transform: translateY(-1px); 
    text-decoration: none;
    box-shadow: 0 8px 24px rgba(16, 185, 129, 0.3);
}
.cta-btn-outline {
    display: inline-block;
    padding: 14px 32px;
    background: transparent;
    color: var(--fg);
    border: 1px solid var(--border);
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.2s;
}
.cta-btn-outline:hover {
    border-color: var(--fg);
    text-decoration: none;
}

/* Product card in articles */
.product-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    margin: 24px 0;
}
.product-card h3 { margin-top: 0; display: flex; align-items: center; gap: 12px; }
.product-card .badge {
    padding: 4px 8px;
    background: var(--accent-soft);
    color: var(--accent);
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
}
.pros-cons { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 12px; }
.pros-cons h4 { font-size: 0.85rem; margin-bottom: 8px; }
.pros-cons ul { list-style: none; padding: 0; font-size: 0.85rem; }
.pros-cons .pros li::before { content: '+ '; color: var(--accent); font-weight: 700; }
.pros-cons .cons li::before { content: '− '; color: #ef4444; font-weight: 700; }

/* Newsletter signup */
.newsletter {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 48px;
    text-align: center;
    margin: 80px 0;
}
.newsletter h2 { margin-bottom: 8px; }
.newsletter p { color: var(--slate-400); margin-bottom: 24px; }
.newsletter-form { display: flex; gap: 12px; max-width: 450px; margin: 0 auto; }
.newsletter-form input {
    flex: 1;
    padding: 12px 16px;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--fg);
    font-size: 0.95rem;
    font-family: inherit;
}
.newsletter-form input:focus { outline: none; border-color: var(--accent); }

/* Footer */
footer {
    border-top: 1px solid var(--border);
    padding: 48px 0;
    text-align: center;
}
.footer-links { display: flex; justify-content: center; gap: 24px; margin-bottom: 20px; }
.footer-links a { color: var(--slate-500); font-size: 0.9rem; }
.footer-links a:hover { color: var(--fg); text-decoration: none; }
footer p { color: var(--slate-600); font-size: 0.85rem; }

/* Disclaimer */
.disclaimer {
    background: rgba(255,255,255,0.02);
    border-top: 1px solid var(--border);
    padding: 24px;
    text-align: center;
    font-size: 0.8rem;
    color: var(--slate-600);
    line-height: 1.5;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 { font-size: 2rem; }
    .article-grid { grid-template-columns: 1fr; }
    .pros-cons { grid-template-columns: 1fr; }
    .article-header h1 { font-size: 1.8rem; }
    .hero { padding: 60px 0 40px; }
    .newsletter { padding: 32px 20px; }
    .newsletter-form { flex-direction: column; }
    .nav-links { gap: 14px; }
}
