*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}body{font-family:'Segoe UI', system-ui, -apple-system, sans-serif;background-color:var(--body-bg);color:var(--text);line-height:1.6;transition:var(--transition)}h1, h2, h3, h4, h5, h6{font-weight:600;line-height:1.3;margin-bottom:0.75rem}h1{font-size:2.2rem}h2{font-size:1.8rem}h3{font-size:1.5rem}h4{font-size:1.3rem}h5{font-size:1.1rem}h6{font-size:1rem}p{margin-bottom:0.625rem}ul, ol{margin:0.625rem 0 0.9375rem 1.25rem}a{text-decoration:none;color:var(--text)}.container{width:100%;max-width:1200px;margin:0 auto}header{background:var(--header-bg);box-shadow:0 2px 15px var(--shadow);position:sticky;top:0;z-index:100;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);transition:var(--transition)}.header-container{display:flex;justify-content:space-between;align-items:center;padding:0.3125rem 0;position:relative}.logo{display:flex;align-items:center;gap:0.75rem;text-decoration:none}.logo .lazy-bg{width:180px;height:45px;display:block}.logo-icon{width:42px;height:42px;background:linear-gradient(135deg, var(--primary), var(--primary-dark));border-radius:12px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:20px}.logo-text{font-size:24px;font-weight:800;color:var(--text);letter-spacing:-0.5px}.logo-text span{color:var(--primary)}nav ul{display:flex;list-style:none;gap:30px}nav a{text-decoration:none;color:var(--gray);font-weight:600;font-size:16px;transition:var(--transition);position:relative;padding:5px 0}nav a::after{content:'';position:absolute;bottom:0;left:0;width:0;height:3px;background:var(--primary);border-radius:3px;transition:var(--transition)}nav a:hover,nav a.active{color:var(--primary)}nav a:hover::after,nav a.active::after{width:100%}.header-actions{display:flex;align-items:center;gap:20px}.theme-toggle{background:var(--light-gray);border:none;width:50px;height:26px;border-radius:50px;position:relative;cursor:pointer;display:flex;align-items:center;padding:0 3px;transition:var(--transition)}.theme-toggle::before{content:'';position:absolute;width:20px;height:20px;border-radius:50%;background:var(--card-bg);transition:var(--transition);transform:translateX(0)}.dark-mode .theme-toggle::before{transform:translateX(24px)}.dark-mode .theme-toggle{background:var(--primary)}.menu-toggle{display:none;background:none;border:none;color:var(--text);font-size:24px;cursor:pointer;padding:10px;z-index:101}.lang-dropdown-select{width:100%;padding:5px 10px;border:1px solid var(--light-gray);border-radius:8px;background:var(--card-bg);color:var(--text);font-size:16px}.lang-dropdown-select:focus{outline:none;border-color:var(--primary)}.ad-sidebar{display:flex;align-items:center;justify-content:center;margin-bottom:20px}.ad-banner-bottom{text-align:center;border-radius:10px}footer{background:var(--footer-bg);color:var(--light);padding:80px 0 30px}.footer-content{display:grid;grid-template-columns:repeat(auto-fit, minmax(250px, 1fr));gap:50px;margin-bottom:50px}.footer-column h3{width:fit-content;font-size:1.4rem;margin-bottom:25px;position:relative;padding-bottom:15px;color:#fff}.footer-column h3::after{content:'';position:absolute;bottom:0;left:0;width:100%;height:3px;background:var(--primary);border-radius:3px}.footer-column p{color:#fff}.footer-links{list-style:none;margin:0}.footer-links li{margin-bottom:15px}.footer-links a{color:#CBD5E1;text-decoration:none;transition:var(--transition);display:flex;align-items:center;gap:10px}.footer-links a:hover{color:var(--primary);transform:translateX(5px)}.footer-links a i{width:20px;text-align:center}.social-links{display:flex;gap:15px;margin-top:20px}.social-links a{display:flex;align-items:center;justify-content:center;width:40px;height:40px;background:rgba(255, 255, 255, 0.1);border-radius:50%;color:#fff;transition:var(--transition)}.social-links a:hover{background:var(--primary);transform:translateY(-5px)}.copyright{text-align:center;padding-top:30px;border-top:1px solid rgba(255, 255, 255, 0.1);color:#94A3B8;font-size:0.9rem}@media (max-width:768px){.container{padding:1.25rem}.header-container{flex-direction:row;gap:0;padding:15px 0}.menu-toggle{display:block}nav{position:fixed;top:0;right:0;width:80%;max-width:400px;height:100vh;background:var(--header-bg);box-shadow:-5px 0 15px var(--shadow);transition:opacity 0.3s ease, visibility 0.3s ease;z-index:100;padding:80px 30px 30px;overflow-y:auto;opacity:0;visibility:hidden}nav.active{opacity:1;visibility:visible}nav ul{flex-direction:column;gap:20px;align-items:flex-start}nav a{font-size:18px}.header-actions{margin-left:auto;margin-right:15px}#header-actions{position:fixed;bottom:30px;right:30px;z-index:101;opacity:0;visibility:hidden;pointer-events:none; transition:opacity 0.3s ease, visibility 0.3s ease}#header-actions.active{opacity:1;visibility:visible;pointer-events:auto}}