/* Enhanced CSS for Haircut.info with Performance Optimizations */
:root{--clr-bg:#fff;--clr-text:#222;--clr-accent:#007BFF;--clr-light:#f5f5f5;--clr-dark:#000;--max-width:1200px;--transition:0.3s}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;line-height:1.6;color:var(--clr-text);background:var(--clr-bg)}
img{max-width:100%;display:block;height:auto}
img.lazy{background:#f5f5f5;min-height:180px}
img.lazy-loaded{animation:fadeIn 0.3s}
@keyframes fadeIn{from{opacity:0.5}to{opacity:1}}
a{text-decoration:none;color:inherit}
header{background:var(--clr-bg);border-bottom:1px solid #eee;position:sticky;top:0;z-index:100;padding:0.5rem 1rem}
.container{max-width:var(--max-width);margin:0 auto;padding:0 1rem}
nav{display:flex;align-items:center;justify-content:space-between;gap:1rem}
#logo{display:flex;align-items:center;gap:0.5rem}
.nav-links{display:flex;gap:1rem;list-style:none;flex:1;justify-content:center}
.nav-links a{padding:0.5rem 0;color:var(--clr-text);font-weight:500;border-bottom:2px solid transparent;transition:var(--transition)}
.nav-links a:hover,.nav-links a.active{border-color:var(--clr-accent)}
.menu-toggle{display:none;cursor:pointer}
/* Search functionality */
.search-container{position:relative;display:flex;align-items:center}
#search-toggle{background:none;border:none;cursor:pointer;padding:0.5rem;color:var(--clr-text);transition:var(--transition)}
#search-toggle:hover{color:var(--clr-accent)}
.search-box{position:absolute;right:0;top:100%;margin-top:0.5rem;background:#fff;border:1px solid #eee;border-radius:4px;padding:0;width:0;overflow:hidden;transition:width var(--transition),padding var(--transition);box-shadow:0 2px 8px rgba(0,0,0,0.1)}
.search-box.active{width:250px;padding:0.5rem}
.search-box input{width:100%;border:none;outline:none;padding:0.5rem;font-size:14px}
/* Breadcrumbs */
.breadcrumbs{padding:0.5rem 0;font-size:0.875rem;color:#666}
.breadcrumbs a{color:var(--clr-accent);margin:0 0.25rem}
.breadcrumbs a:hover{text-decoration:underline}
.breadcrumbs span{margin:0 0.25rem}
/* Mobile responsive */
@media (max-width:768px){
  .nav-links{position:absolute;top:100%;left:0;width:100%;flex-direction:column;background:var(--clr-bg);border-top:1px solid #eee;max-height:0;overflow:hidden;transition:var(--transition)}
  .nav-links.is-active{max-height:400px;padding:1rem 0}
  .menu-toggle{display:block}
  .search-container{order:3}
  .search-box.active{width:200px;right:-1rem}
}
/* Hero section */
.hero{background:url('../img/hero-bg.jpg') center/cover no-repeat;padding:6rem 1rem;color:var(--clr-bg);text-align:center;position:relative}
.hero::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,0.4);z-index:1}
.hero>*{position:relative;z-index:2}
.hero h1{font-size:clamp(2rem,5vw,3rem);margin-bottom:0.5rem;text-shadow:2px 2px 4px rgba(0,0,0,0.5)}
.hero p{font-size:1.1rem;margin-bottom:2rem;max-width:600px;margin-left:auto;margin-right:auto}
.btn{display:inline-block;background:var(--clr-accent);color:#fff;padding:0.75rem 1.5rem;border-radius:4px;font-weight:600;transition:var(--transition);text-align:center}
.btn:hover{background:#0056b3;transform:translateY(-2px);box-shadow:0 4px 8px rgba(0,123,255,0.3)}
.btn-secondary{background:#6c757d}
.btn-secondary:hover{background:#545b62}
/* Grid cards */
.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem;margin:2rem 0}
.card{border:1px solid #eee;border-radius:6px;overflow:hidden;transition:transform var(--transition),box-shadow var(--transition);background:#fff}
.card:hover{transform:translateY(-5px);box-shadow:0 8px 16px rgba(0,0,0,0.1)}
.card img{height:180px;width:100%;object-fit:cover;transition:transform var(--transition)}
.card:hover img{transform:scale(1.05)}
.card-content{padding:1rem}
.card-content h3{font-size:1.25rem;margin-bottom:0.5rem;color:var(--clr-accent)}
.card-content p{color:#666;font-size:0.95rem}
/* Sections */
.section{padding:3rem 0}
.section h2{font-size:2rem;margin-bottom:1rem;color:var(--clr-accent);text-align:center}
.section-subtitle{text-align:center;color:#666;max-width:600px;margin:0 auto 2rem}
/* Article styles */
.article{max-width:800px;margin:0 auto;padding:2rem 1rem}
.article img{margin:1.5rem 0;border-radius:4px;box-shadow:0 4px 12px rgba(0,0,0,0.1)}
.article h1{font-size:2.5rem;margin-bottom:1rem;color:var(--clr-dark);line-height:1.2}
.article h2{margin-top:2rem;font-size:1.8rem;color:var(--clr-accent);border-bottom:2px solid #f0f0f0;padding-bottom:0.5rem}
.article h3{margin-top:1.5rem;font-size:1.4rem;color:var(--clr-accent)}
.article p{margin-bottom:1rem;line-height:1.8}
.article ul,.article ol{margin:1rem 0 1rem 2rem}
.article li{margin-bottom:0.5rem}
.article strong{color:var(--clr-accent)}
/* FAQ Schema */
.faq-section{margin:2rem 0}
.faq-item{border-bottom:1px solid #eee;padding:1rem 0}
.faq-question{font-weight:600;color:var(--clr-accent);margin-bottom:0.5rem}
.faq-answer{color:#666}
/* CTA */
.cta{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);color:#fff;padding:4rem 2rem;text-align:center;border-radius:8px;margin:3rem 0;position:relative;overflow:hidden}
.cta::before{content:'';position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle,rgba(255,255,255,0.1) 0%,transparent 70%);animation:shimmer 3s infinite}
@keyframes shimmer{0%,100%{transform:rotate(0deg)}50%{transform:rotate(180deg)}}
.cta h2{font-size:2rem;margin-bottom:0.5rem}
.cta p{margin-bottom:1.5rem;max-width:500px;margin-left:auto;margin-right:auto}
/* Footer */
footer{background:var(--clr-dark);color:#aaa;padding:3rem 1rem 2rem;font-size:0.9rem}
.footer-content{max-width:var(--max-width);margin:0 auto;display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem;margin-bottom:2rem}
.footer-section h3{color:#fff;margin-bottom:1rem}
.footer-section ul{list-style:none}
.footer-section li{margin-bottom:0.5rem}
.footer-section a{color:#aaa;transition:var(--transition)}
.footer-section a:hover{color:var(--clr-accent)}
.footer-bottom{text-align:center;padding-top:2rem;border-top:1px solid #333}
.social-links{display:flex;justify-content:center;gap:1rem;margin-top:1rem}
.social-links a{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;background:#333;transition:var(--transition)}
.social-links a:hover{background:var(--clr-accent);transform:translateY(-3px)}
/* Accessibility */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
/* Performance */
@media (prefers-reduced-motion:reduce){*{animation-duration:0.01ms!important;animation-iteration-count:1!important;transition-duration:0.01ms!important}}
/* Print styles */
@media print{header,footer,.cta,.btn{display:none}.article{max-width:100%}}