:root {
  --primary: #4A90E2;
  --bg-color: #F0F8FF;
  --text-main: #333;
  --white: #fff;
}
body {
  margin: 0; 
  font-family: sans-serif; 
  background: var(--bg-color); 
  color: var(--text-main);
}
.sticky-nav {
  position: sticky; 
  top: 0; 
  background: rgba(255,255,255,0.95); 
  padding: 1rem 2rem; 
  display: flex; 
  justify-content: space-between; 
  align-items: center; 
  box-shadow: 0 4px 20px rgba(74,144,226,0.1); 
  z-index: 100;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: bold;
  font-size: 1.2rem;
  color: var(--primary);
}
.nav-links a { 
  margin: 0 1rem; 
  text-decoration: none; 
  color: var(--text-main); 
}
.cta-btn { 
  background: var(--primary); 
  color: var(--white); 
  padding: 0.8rem 1.5rem; 
  text-decoration: none; 
  border-radius: 30px; 
  font-weight: bold;
  box-shadow: 0 4px 15px rgba(74,144,226,0.3);
}
.hero { 
  text-align: center; 
  padding: 8rem 2rem; 
  background: radial-gradient(circle at top, #ffffff 0%, #e0f0ff 100%); 
}
.hero h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
}
.hero-btns {
  margin-top: 2rem;
  display: flex;
  justify-content: center;
  gap: 1rem;
}
.feature-grid { 
  display: flex; 
  gap: 2rem; 
  padding: 4rem 2rem; 
  justify-content: center; 
  flex-wrap: wrap; 
}
.card { 
  background: var(--white); 
  padding: 2rem; 
  border-radius: 15px; 
  box-shadow: 0 10px 30px rgba(0,0,0,0.03); 
  flex: 1; 
  min-width: 250px; 
  text-align: center;
}
.card-icon {
  margin-bottom: 1rem;
}
table {
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
  border-collapse: collapse;
  background: var(--white);
  box-shadow: 0 10px 30px rgba(0,0,0,0.03);
  border-radius: 15px;
  overflow: hidden;
}
th, td {
  padding: 1.5rem;
  text-align: center;
  border-bottom: 1px solid #eee;
}
th { background: #f8fbff; }
.faq-section, .testimonial-section {
  padding: 4rem 2rem;
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  background: var(--white);
  padding: 1.5rem;
  margin-bottom: 1rem;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.02);
}
footer { 
  padding: 3rem; 
  text-align: center; 
  background: #ffffff; 
  margin-top: 4rem; 
}
footer a { 
  margin: 0 1rem; 
  color: #666; 
  text-decoration: none; 
}
.seo-article a, .seo-article a:visited {
  color: #9d4edd;
}

.blog-header {
  text-align: center;
  padding: 4rem 2rem 1rem;
}
.blog-header h1 {
  font-size: 2.5rem;
  color: var(--primary);
  margin-bottom: 0.5rem;
}
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
  padding: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}
.blog-card {
  background: var(--white);
  padding: 2rem;
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.03);
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.blog-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(74,144,226,0.1);
}
.blog-card h3 {
  font-size: 1.25rem;
  margin-top: 0;
  margin-bottom: 1rem;
  color: var(--text-main);
  line-height: 1.4;
}
.blog-card p {
  color: #666;
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}
.blog-card .read-more {
  display: inline-block;
  align-self: flex-start;
  background: var(--bg-color);
  color: var(--primary);
  padding: 0.6rem 1.2rem;
  border-radius: 20px;
  text-decoration: none;
  font-weight: bold;
  font-size: 0.9rem;
  transition: background 0.3s ease;
}
.blog-card .read-more:hover {
  background: var(--primary);
  color: var(--white);
}

/* SEO Article Styles */
.seo-article {
  max-width: 800px;
  margin: 3rem auto;
  padding: 3rem;
  background: var(--white);
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(74, 144, 226, 0.08);
  line-height: 1.8;
  color: #444;
  font-size: 1.1rem;
}
.seo-article h1 {
  font-size: 2.4rem;
  color: var(--text-main);
  text-align: center;
  margin-bottom: 2.5rem;
  font-weight: bold;
}
.seo-article h2 {
  font-size: 1.7rem;
  color: var(--primary);
  margin-top: 3rem;
  margin-bottom: 1.5rem;
  border-bottom: 2px solid #e0f0ff;
  padding-bottom: 0.5rem;
}
.seo-article h3 {
  font-size: 1.4rem;
  color: var(--text-main);
  margin-top: 2rem;
  margin-bottom: 1rem;
}
.seo-article p {
  margin-bottom: 1.5rem;
  text-indent: 2em;
}
.seo-article .tips {
  background: #f8fbff;
  border: 1px solid #e0f0ff;
  padding: 1.5rem;
  border-radius: 12px;
  margin: 2rem 0;
  text-indent: 0;
}
.seo-article .tips ul {
  margin: 0;
  padding-left: 1.5rem;
}
.seo-article .tips li {
  margin-bottom: 0.5rem;
}

/* Global Link Override to prevent default browser blue/purple */
a { color: #9d4edd; 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;
    }
}