/* CSS Variables for Consistency and Easy Theming */
:root {
    --primary-color: #1e40af;
    --primary-hover: #1e3a8a;
    --accent-color: #3b82f6;
    --text-dark: #1f2937;
    --text-light: #4b5563;
    --bg-light: #f9fafb;
    --white: #ffffff;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --radius: 8px;
    --max-width: 1200px;
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.7;
    color: var(--text-dark);
    background-color: var(--white);
}

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: color 0.3s ease;
}

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

.container {
    width: 90%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 15px;
}

/* Header & Navigation */
.site-header {
    background-color: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 15px 0;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: -0.5px;
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 30px;
}

.main-nav a {
    color: var(--text-dark);
    font-weight: 500;
    font-size: 1rem;
}

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

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.8rem;
    cursor: pointer;
    color: var(--primary-color);
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    color: var(--white);
    padding: 80px 20px;
    text-align: center;
}

.hero-section h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-intro {
    font-size: 1.15rem;
    max-width: 800px;
    margin: 0 auto 30px auto;
    opacity: 0.95;
}

.text-link-light {
    color: var(--white);
    text-decoration: underline;
    font-weight: 600;
}

.text-link-light:hover {
    color: #e0e7ff;
}

/* CTA Buttons */
.cta-button {
    display: inline-block;
    background-color: var(--white);
    color: var(--primary-color);
    padding: 14px 32px;
    border-radius: var(--radius);
    font-weight: 700;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
}

.cta-button:hover {
    background-color: #f3f4f6;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
    color: var(--primary-hover);
}

/* Main Content Article */
.content-main {
    padding: 60px 0;
    background-color: var(--bg-light);
}

.seo-article {
    max-width: 850px;
    margin: 0 auto;
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.seo-article h2 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-top: 40px;
    margin-bottom: 15px;
    border-bottom: 2px solid #e5e7eb;
    padding-bottom: 10px;
}

.seo-article h2:first-child {
    margin-top: 0;
}

.seo-article h3 {
    font-size: 1.3rem;
    color: var(--text-dark);
    margin-top: 25px;
    margin-bottom: 10px;
}

.seo-article p {
    margin-bottom: 20px;
    color: var(--text-light);
    font-size: 1.05rem;
}

.seo-article ul {
    margin-bottom: 20px;
    padding-left: 25px;
    color: var(--text-light);
}

.seo-article li {
    margin-bottom: 12px;
    font-size: 1.05rem;
}

.seo-article strong {
    color: var(--text-dark);
}

.text-link {
    font-weight: 600;
    text-decoration: underline;
    text-decoration-color: var(--accent-color);
    text-underline-offset: 3px;
}

/* Contact Section */
.contact-section {
    padding: 60px 0;
    background-color: var(--white);
    text-align: center;
}

.contact-section h2 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 40px;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.contact-item {
    background: var(--bg-light);
    padding: 25px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
}

.contact-item:hover {
    transform: translateY(-5px);
}

.contact-item h3 {
    font-size: 1.1rem;
    color: var(--primary-color);
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.contact-item p {
    font-size: 1.05rem;
    color: var(--text-dark);
    font-weight: 500;
}

.contact-cta-wrapper {
    margin-top: 20px;
}

/* Footer */
.site-footer {
    background-color: var(--text-dark);
    color: var(--white);
    text-align: center;
    padding: 30px 0;
    font-size: 0.95rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
    }

    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--white);
        box-shadow: var(--shadow);
        padding: 20px 0;
    }

    .main-nav.active {
        display: block;
    }

    .main-nav ul {
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }

    .hero-section h1 {
        font-size: 2rem;
    }

    .seo-article {
        padding: 25px;
    }

    .seo-article h2 {
        font-size: 1.5rem;
    }
}