/* Reset & Base */
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;line-height:1.7;color:#262626;background:#fff}
.container{max-width:1200px;margin:0 auto;padding:0 1rem}
.content-narrow{max-width:960px;margin:0 auto;padding:0 1rem}

/* Header */
header{background:rgba(255,255,255,.95);backdrop-filter:blur(12px);border-bottom:1px solid #e8e8e8;position:sticky;top:0;z-index:50}
header .inner{display:flex;justify-content:space-between;align-items:center;padding:1rem 0}
header nav{display:flex;align-items:center;gap:2rem}
header a{text-decoration:none;color:#262626;font-weight:500;transition:color .3s}
header a:hover{color:#58AFFF}
header .logo{font-size:1.125rem;font-weight:600}
header .cta-btn{background:#2563EB;color:#fff;padding:.625rem 1.5rem;border-radius:.75rem;font-weight:500;box-shadow:0 8px 32px -8px rgba(37,99,235,.3);transition:all .3s}
header .cta-btn:hover{background:#1d4ed8}

/* Main */
main{padding:5rem 0}

/* Typography */
h1{font-size:2.5rem;font-weight:800;margin-bottom:1.5rem;color:#262626;line-height:1.2}
h2{font-size:1.75rem;font-weight:700;margin:2.5rem 0 1rem;color:#262626}
h3{font-size:1.25rem;font-weight:600;margin:1.5rem 0 .75rem;color:#262626}
p{margin-bottom:1rem;color:#555;line-height:1.75}
strong{color:#262626;font-weight:600}
ul,ol{margin:1rem 0 1rem 1.5rem;color:#555}
li{margin-bottom:.5rem;line-height:1.75}

/* Intro text */
.intro{font-size:1.125rem;text-align:center;color:#8A8A8A;max-width:48rem;margin:0 auto 4rem}

/* Cards */
.card{background:#fff;border:1px solid #e8e8e8;border-radius:1rem;padding:1.5rem;margin-bottom:1.5rem;box-shadow:0 4px 24px -6px rgba(88,175,255,.2);transition:all .3s}
.card:hover{box-shadow:0 8px 32px -8px rgba(37,99,235,.3)}

/* Articles Grid */
.articles{display:grid;grid-template-columns:1fr;gap:2rem;margin-top:3rem}
@media(min-width:768px){.articles{grid-template-columns:repeat(2,1fr)}}
article.article-card{background:#fff;border:1px solid #e8e8e8;border-radius:1rem;overflow:hidden;box-shadow:0 4px 24px -6px rgba(88,175,255,.2);transition:all .3s}
article.article-card:hover{box-shadow:0 8px 32px -8px rgba(37,99,235,.3)}
article.article-card img{width:100%;height:12rem;object-fit:cover}
article.article-card .content{padding:1.5rem}
article.article-card h2{font-size:1.5rem;margin-bottom:.75rem}
article.article-card p{margin-bottom:1.5rem}
article.article-card a{display:inline-flex;align-items:center;justify-content:center;background:#58AFFF;color:#fff;padding:.625rem 2rem;border-radius:.75rem;text-decoration:none;font-weight:500;transition:all .3s;box-shadow:0 8px 32px -8px rgba(37,99,235,.3)}
article.article-card a:hover{background:#1d4ed8}

/* Article content */
.article-content section{margin-bottom:3rem}

/* FAQ */
.faq{margin:3rem 0}
.faq-item{background:#f9fafb;border:1px solid #e8e8e8;border-radius:.75rem;padding:1.5rem;margin-bottom:1rem}
.faq-question{font-size:1.125rem;font-weight:600;color:#262626;margin-bottom:.75rem}
.faq-answer{color:#555}

/* Related articles */
.related{background:#f9fafb;border:1px solid #e8e8e8;border-radius:1rem;padding:2rem;margin:3rem 0}
.related h2{margin-top:0}
.related ul{list-style:none;margin:0}
.related li{margin-bottom:.75rem}
.related a{color:#2563EB;text-decoration:none;font-weight:500;transition:color .3s}
.related a:hover{color:#1d4ed8;text-decoration:underline}

/* CTA */
.cta{background:linear-gradient(135deg,#2563EB,#1d4ed8);color:#fff;border-radius:1rem;padding:3rem 2rem;text-align:center;margin:3rem 0}
.cta h2{color:#fff;margin-bottom:1rem}
.cta p{color:rgba(255,255,255,.9);margin-bottom:2rem}
.cta a{display:inline-flex;align-items:center;justify-content:center;background:#fff;color:#2563EB;padding:.875rem 2.5rem;border-radius:.75rem;text-decoration:none;font-weight:600;transition:all .3s;box-shadow:0 8px 32px -8px rgba(0,0,0,.3)}
.cta a:hover{transform:translateY(-2px);box-shadow:0 12px 40px -8px rgba(0,0,0,.4)}

/* Footer */
footer{background:#fff;border-top:1px solid #e8e8e8;padding:2rem 0;text-align:center}
footer p{font-size:.875rem;color:#8A8A8A;margin:0}
footer a{color:#8A8A8A;text-decoration:none;transition:color .3s;margin:0 .5rem}
footer a:hover{color:#262626}

@media(min-width:768px){
  h1{font-size:3rem}
  h2{font-size:2rem}
}