:root {
    --bg-primary: #f7fafc;
    --bg-secondary: #edf2f7;
    --text-main: #2d3748;
    --text-muted: #718096;
    --brand-dark: #2c3e50;
    --brand-light: #4a5568;
    --brand-accent: #3182ce;
    --brand-accent-hover: #2b6cb0;
    --border-color: #e2e8f0;
    --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

body {
    font-family: var(--font-stack);
    background-color: var(--bg-primary);
    color: var(--text-main);
    line-height: 1.6;
}

/* Typography */
h1, h2, h3, h4 { color: var(--brand-dark); margin-bottom: 1rem; }
h1 { font-size: 3rem; }
h2 { font-size: 2.2rem; text-align: center; margin-bottom: 3rem; }
p { color: var(--text-muted); margin-bottom: 1rem; }

/* Navigation */
.sticky-nav {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(5px);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
}

.logo { display: flex; align-items: center; }

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}
.nav-links a {
    text-decoration: none;
    color: var(--text-main);
    font-weight: 500;
}

/* Buttons */
.cta-btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background-color: var(--brand-accent);
    color: white;
    text-decoration: none;
    border-radius: 4px;
    font-weight: bold;
    transition: background 0.3s;
}
.cta-btn:hover { background-color: var(--brand-accent-hover); }

.cta-btn.outline {
    background-color: transparent;
    border: 2px solid var(--brand-accent);
    color: var(--brand-accent);
}
.cta-btn.outline:hover {
    background-color: var(--brand-accent);
    color: white;
}

.secondary-btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background-color: var(--bg-secondary);
    color: var(--text-main);
    text-decoration: none;
    border-radius: 4px;
    font-weight: bold;
    border: 1px solid var(--border-color);
}

/* Layout */
section {
    padding: 5rem 5%;
}
.bg-alt {
    background-color: var(--bg-secondary);
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

/* Hero */
#hero {
    padding: 8rem 5%;
    text-align: center;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--border-color) 100%);
}
.hero-content {
    max-width: 800px;
    margin: 0 auto;
}
.hero-actions {
    margin-top: 2rem;
    display: flex;
    justify-content: center;
    gap: 1rem;
}

/* Cards */
.card {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    text-align: center;
}
.card svg { margin-bottom: 1rem; }

/* Pricing */
.price-card {
    background: white;
    padding: 3rem 2rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    text-align: center;
}
.price-card.popular {
    border: 2px solid var(--brand-accent);
    transform: scale(1.05);
}
.price {
    font-size: 2.5rem;
    color: var(--brand-dark);
    font-weight: bold;
    margin-bottom: 2rem;
}
.price span { font-size: 1rem; color: var(--text-muted); }
.price-card ul {
    list-style: none;
    margin-bottom: 2rem;
    text-align: left;
}
.price-card li {
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
}
.price-card li::before {
    content: "•";
    color: var(--brand-accent);
    position: absolute;
    left: 0;
    font-weight: bold;
}

/* FAQ */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
    background: white;
    padding: 1.5rem;
    margin-bottom: 1rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

/* Footer */
footer {
    background: var(--brand-dark);
    color: white;
    text-align: center;
    padding: 3rem 5%;
}
.footer-nav {
    margin-bottom: 2rem;
    display: flex;
    justify-content: center;
    gap: 2rem;
}
.footer-nav a {
    color: #cbd5e0;
    text-decoration: none;
}
.footer-nav a:hover { color: white; }

/* SEO Article styles */
.seo-article a, .seo-article a:visited {
    color: #4a6fa5;
}

/* Blog Index */
.blog-container {
    padding: 5rem 5%;
    max-width: 1200px;
    margin: 0 auto;
}
.blog-container h1 {
    text-align: center;
    margin-bottom: 3rem;
}
.blog-card {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    text-align: left;
}
.blog-card h3 {
    font-size: 1.25rem;
    color: var(--brand-dark);
    margin-bottom: 1rem;
    line-height: 1.4;
}
.blog-card p {
    color: var(--text-muted);
    flex-grow: 1;
    margin-bottom: 1.5rem;
}
.blog-card .cta-btn {
    align-self: flex-start;
}

/* SEO Article Layout */
.seo-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 5rem 5%;
    background-color: var(--bg-primary);
}
.seo-article {
    background: white;
    padding: 3rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}
.seo-article h1 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    text-align: center;
    color: var(--brand-dark);
}
.seo-article h2 {
    font-size: 1.8rem;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    text-align: left;
    color: var(--brand-dark);
}
.seo-article h3 {
    font-size: 1.4rem;
    margin-top: 2rem;
    margin-bottom: 0.75rem;
    color: var(--brand-light);
}
.seo-article p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-main);
    margin-bottom: 1.5rem;
}

/* Global Link Override to prevent default browser blue/purple */
a { color: #4a6fa5; text-decoration: none; }

a:hover { filter: brightness(1.2); }


/* Universal Mobile Nav Fix */
@media (max-width: 991px) {
    header, .top-header, .sticky-nav {
        flex-direction: column !important;
        height: auto !important;
        padding: 15px 10px !important;
    }
    .main-nav, nav, .nav-links, .nav-links ul, nav ul {
        display: flex !important;
        flex-wrap: wrap !important;
        justify-content: center !important;
        gap: 12px !important;
        width: 100% !important;
        margin: 10px 0 !important;
        padding: 0 !important;
    }
    .main-nav a, nav a, .nav-links a {
        font-size: 0.95rem !important;
        padding: 5px !important;
        margin: 0 !important;
    }
    .cta-btn, .nav-cta, .btn, .primary-btn, .primary-cta {
        margin-top: 5px !important;
        width: auto !important;
    }
}