:root{--primary:#0066cc;--secondary:#4a90e2;--accent:#00d4aa;--dark:#1a1a2e;--darker:#16213e;--light:#f8fafc;--text:#2d3748;--text-light:#718096;--border:#e2e8f0}*{margin:0;padding:0;box-sizing:border-box}body{font-family:segoe ui,Tahoma,Geneva,Verdana,sans-serif;line-height:1.6;color:var(--text);background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);min-height:100vh;direction:{{ if eq .Site.Language.Lang "ar" }}rtl{{ else }}ltr{{ end }}}.container{max-width:1300px;margin:0 auto;padding:0 20px}header{background-color:#191b30;position:sticky;top:0;z-index:100;transition:all .3s ease;box-shadow:0 2px 10px rgba(0,0,0,.1)}nav{display:flex;justify-content:space-between;align-items:center;padding:1rem 0;position:relative}.logo{font-size:1.5rem;font-weight:700;color:#fff;text-decoration:none;flex-shrink:0}.nav-links{display:flex;gap:2rem;list-style:none;margin:0;padding:0}.nav-links a{color:#fff;text-decoration:none;transition:all .3s ease;padding:.5rem 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h3{text-align:center;font-size:2rem;margin-bottom:3rem;color:var(--dark)}.pillars-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(350px,1fr));gap:2rem;max-width:1200px;margin:0 auto}.pillar-card{background:#fff;padding:2.5rem;border-radius:15px;box-shadow:0 10px 30px rgba(0,0,0,.1);transition:all .3s ease;border-top:4px solid var(--primary);position:relative}.pillar-card:hover{transform:translateY(-5px);box-shadow:0 20px 50px rgba(0,0,0,.15)}.pillar-card::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--primary),var(--accent));border-radius:15px 15px 0 0}.pillar-card h4{color:var(--primary);font-size:1.2rem;margin-bottom:1rem;font-weight:600}.pillar-card code{background:rgba(0,102,204,.1);padding:.2rem .4rem;border-radius:4px;font-family:courier new,monospace;color:var(--primary);font-weight:500;font-size:.9rem}.architecture-advantages{margin:4rem 0;position:relative;z-index:2}.architecture-advantages h3{text-align:center;font-size:2rem;margin-bottom:3rem;color:var(--dark)}.advantages-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;max-width:1000px;margin:0 auto}.advantage-card{background:#fff;padding:2rem;border-radius:15px;box-shadow:0 8px 25px rgba(0,0,0,.1);transition:all .3s ease;border:1px solid var(--border)}.advantage-card:hover{transform:translateY(-3px);box-shadow:0 15px 40px rgba(0,0,0,.15)}.advantage-icon{width:50px;height:50px;background:linear-gradient(45deg,var(--accent),var(--secondary));border-radius:50%;display:flex;align-items:center;justify-content:center;margin-bottom:1rem;font-size:1.2rem}.advantage-card h4{color:var(--secondary);font-size:1.1rem;margin-bottom:.8rem;font-weight:600}.architecture-footer{text-align:center;margin:3rem auto 0;padding:2rem;background:rgba(0,212,170,.1);border-radius:15px;border:2px dashed var(--accent);max-width:800px;position:relative;z-index:2}.architecture-footer p{color:var(--text);font-style:italic;margin:0;font-size:1.05rem}footer{background:var(--dark);color:#fff;padding:3rem 0 2rem}.footer-content{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem}.footer-section h3{margin-bottom:1rem;color:var(--accent)}.footer-section a{color:#ccc;text-decoration:none;transition:color .3s ease}.footer-section a:hover{color:var(--accent)}.footer-bottom{text-align:center;margin-top:2rem;padding-top:2rem;border-top:1px solid rgba(255,255,255,.1);color:#ccc}@keyframes fadeInUp{from{opacity:0;transform:translateY(50px)}to{opacity:1;transform:translateY(0)}}@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}.floating{animation:float 3s ease-in-out infinite}@media(max-width:1024px){.nav-links{gap:1.5rem}.nav-links a{padding:.4rem .8rem;font-size:.9rem}}@media(max-width:768px){.hero h1{font-size:2.5rem}nav{flex-wrap:wrap;gap:1rem}.logo{font-size:1.3rem}.nav-links{display:none}.cta-buttons{flex-direction:column;align-items:center}.features-grid,.pillars-grid,.advantages-grid{grid-template-columns:1fr}.install-steps{grid-template-columns:1fr;gap:2rem}.language-switcher{position:static;order:3;width:100%;display:flex;justify-content:center;margin-top:1rem}.lang-dropdown{width:100%;max-width:200px}.lang-current{width:100%}}@media(max-width:480px){.pillar-card,.advantage-card{padding:1.5rem}}[dir=rtl] .nav-links{flex-direction:row-reverse}[dir=rtl] .cta-buttons{flex-direction:row-reverse}[dir=rtl] .arch-step{flex-direction:row-reverse;text-align:right}.lang-dropdown{position:relative}.lang-menu{position:absolute;top:100%;left:0;z-index:1000;transform:translateY(-10px);opacity:0;visibility:hidden;transition:all .2s ease}.lang-menu.show{transform:translateY(0);opacity:1;visibility:visible}body{font-display:swap}.hero-content h1{min-height:60px}.feature-card{min-height:200px}