body{margin:0;padding:0;box-sizing:border-box;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif}.not-found{min-height:100vh;display:flex;justify-content:center;align-items:center;font-size:1.5rem}*{margin:0;padding:0;box-sizing:border-box}.navbar{position:sticky;top:0;width:100%;height:70px;background:#fff;display:flex;align-items:center;z-index:1000;box-shadow:0 2px 8px #0000000d}.nav-container{width:100%;max-width:1200px;margin:auto;padding:0 20px;display:flex;justify-content:space-between;align-items:center}.logo{font-size:1.6rem;font-weight:700;color:#111;cursor:pointer}.nav-links{display:flex;gap:30px;align-items:center}.nav-item{text-decoration:none;color:#444;font-weight:500;position:relative;transition:.3s ease}.nav-item:hover,.nav-item.active{color:#000}.nav-item.active:after{content:"";position:absolute;bottom:-6px;left:0;width:100%;height:2px;background:#000;border-radius:2px}.menu-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer}.menu-toggle span{width:25px;height:3px;background:#111;border-radius:3px;transition:.3s ease}@media(max-width:768px){.menu-toggle{display:flex}.nav-links{position:absolute;top:70px;right:0;width:100%;background:#fff;flex-direction:column;gap:20px;padding:20px 0;display:none;box-shadow:0 8px 20px #0000000d}.nav-links.active{display:flex}.nav-item{font-size:1.1rem}}.footer{background:#111;color:#fff;padding:50px 20px 20px;margin-top:50px}.footer-container{max-width:1200px;margin:auto;text-align:center}.footer-logo{font-size:1.8rem;margin-bottom:10px;font-weight:700}.footer-text{font-size:1rem;opacity:.7;margin-bottom:20px}.footer-links{margin-bottom:20px}.footer-links a{margin:0 15px;text-decoration:none;color:#bbb;font-size:.95rem;transition:.3s ease}.footer-links a:hover{color:#fff}.footer-copy{font-size:.85rem;opacity:.6;border-top:1px solid #222;padding-top:15px}.banner{position:relative;width:100%;height:80vh;overflow:hidden}.banner-image{width:100%;height:100%;object-fit:cover;filter:brightness(60%)}.banner-content{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);text-align:center;color:#fff;padding:20px}.banner-content h1{font-size:3rem;margin-bottom:10px;font-weight:700}.banner-content p{font-size:1.2rem;margin-bottom:20px;opacity:.9}.banner-btn{padding:12px 25px;border:none;background:#ff6b6b;color:#fff;font-size:1rem;border-radius:30px;cursor:pointer;transition:.3s ease}.banner-btn:hover{background:#ff4757;transform:scale(1.05)}@media(max-width:768px){.banner-content h1{font-size:2rem}.banner-content p{font-size:1rem}}.blog-card-link{text-decoration:none;color:inherit}.blog-card{width:100%;max-width:320px;background:#fff;border-radius:16px;overflow:hidden;box-shadow:0 10px 25px #0000000d;transition:all .3s ease}.blog-card:hover{transform:translateY(-8px);box-shadow:0 15px 35px #0000001a}.blog-image-wrapper{position:relative;height:200px;overflow:hidden}.blog-image{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}.blog-card:hover .blog-image{transform:scale(1.05)}.blog-category{position:absolute;top:12px;left:12px;background:#000000b3;color:#fff;padding:5px 12px;font-size:.75rem;border-radius:20px}.blog-content{padding:20px}.blog-title{font-size:1.2rem;margin-bottom:10px;font-weight:600}.blog-description{font-size:.95rem;color:#666;line-height:1.5}@media(max-width:768px){.blog-card{max-width:100%}}.home-section{max-width:1200px;margin:80px auto;padding:0 20px}.section-header{margin-bottom:40px}.section-header h2{font-size:2rem;font-weight:700}.category-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:30px}.category-card{position:relative;border-radius:20px;overflow:hidden;text-decoration:none;color:#fff;height:220px}.category-card img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}.category-card:hover img{transform:scale(1.05)}.category-overlay{position:absolute;inset:0;background:#00000073;display:flex;align-items:center;justify-content:center}.category-overlay h3{font-size:1.5rem;font-weight:600}.login-container{min-height:100vh;display:flex;justify-content:center;align-items:center;background:linear-gradient(135deg,#f5f7fa,#e4ecf7);padding:20px}.login-card{background:#fff;padding:40px;border-radius:20px;width:100%;max-width:400px;box-shadow:0 15px 40px #00000014;display:flex;flex-direction:column;gap:20px}.login-card h2{text-align:center;margin-bottom:5px}.login-subtitle{text-align:center;font-size:.9rem;color:#666;margin-bottom:10px}.login-error{background:#ffe5e5;color:#d8000c;padding:10px;border-radius:8px;font-size:.9rem}.register-link{text-align:center;font-size:.9rem}.register-link a{color:#4a90e2;text-decoration:none}.register-container{min-height:100vh;display:flex;justify-content:center;align-items:center;background:linear-gradient(135deg,#eef2f7,#dbe9f6);padding:20px}.register-card{background:#fff;padding:40px;border-radius:20px;width:100%;max-width:450px;box-shadow:0 15px 40px #00000014;display:flex;flex-direction:column;gap:18px}.register-card h2{text-align:center}.register-subtitle{text-align:center;font-size:.9rem;color:#666;margin-bottom:10px}.input-group{display:flex;flex-direction:column;gap:6px}.input-group label{font-size:.9rem;font-weight:500}.input-group input{padding:12px;border-radius:10px;border:1px solid #ddd;outline:none;transition:.3s}.input-group input:focus{border-color:#4a90e2}button{padding:12px;border:none;border-radius:10px;background:#4a90e2;color:#fff;font-weight:600;cursor:pointer;transition:.3s}button:hover{background:#357abd}button:disabled{opacity:.6;cursor:not-allowed}.register-error{background:#ffe5e5;color:#d8000c;padding:10px;border-radius:8px;font-size:.9rem}.login-link{text-align:center;font-size:.9rem}.login-link a{color:#4a90e2;text-decoration:none}.category-section{max-width:1200px;margin:60px auto;padding:0 20px}.category-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:40px}.category-header h2{font-size:2rem;font-weight:700}.category-header span{font-size:.9rem;color:#666}.blog-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:30px}.empty-state{text-align:center;padding:60px 20px;background:#f9f9f9;border-radius:16px}.empty-state h3{margin-bottom:10px}.empty-state p{color:#777}.blog-container{max-width:800px;margin:60px auto;padding:0 20px}.blog-meta{display:flex;gap:10px;font-size:.9rem;color:#666;margin-bottom:30px}.blog-category{background:#111;color:#fff;padding:4px 12px;border-radius:20px;font-size:.75rem}.blog-content{font-size:1.1rem;line-height:1.8;color:#333}.back-button{margin-top:40px}.back-button a{text-decoration:none;font-weight:500;color:#000;transition:.3s}.back-button a:hover{opacity:.7}.blog-not-found{text-align:center;padding:100px 20px}.blog-not-found a{text-decoration:none;color:#000;font-weight:500}