:root{--primary-color:#4361ee;--secondary-color:#3f37c9;--accent-color:#4cc9f0;--light-color:#f8f9fa;--dark-color:#212529;--success-color:#4ade80;--warning-color:#facc15;--danger-color:#f87171}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;line-height:1.6;color:var(--dark-color);overflow-x:hidden}.navbar{box-shadow:0 2px 10px rgba(0,0,0,.1);padding:1rem 0}.navbar-brand{font-weight:700;font-size:1.5rem}.hero-section{margin-top:56px;min-height:80vh;display:flex;align-items:center}.bg-gradient-primary,.hero-section{background:linear-gradient(135deg,var(--primary-color) 0,var(--secondary-color) 100%)}.hero-image{animation:float 6s ease-in-out infinite}@keyframes float{0%{transform:translateY(0)}50%{transform:translateY(-20px)}to{transform:translateY(0)}}.feature-card{border:none;transition:all .3s ease;height:100%}.feature-card:hover{transform:translateY(-10px);box-shadow:0 10px 30px rgba(0,0,0,.15)}.feature-icon{width:80px;height:80px;font-size:2rem}.btn{border-radius:50px;font-weight:600;padding:12px 30px;transition:all .3s ease}.btn-lg{padding:15px 40px;font-size:1.1rem}.btn-light{color:var(--primary-color);background-color:#fff;border-color:#fff}.btn-light:hover{color:var(--primary-color);background-color:var(--light-color);border-color:var(--light-color);transform:translateY(-2px);box-shadow:0 4px 15px rgba(0,0,0,.1)}.btn-outline-light{color:#fff;border-color:#fff}.btn-outline-light:hover{background-color:#fff;color:var(--primary-color)}.form-control{border-radius:50px;padding:12px 20px;border:1px solid #ddd;transition:all .3s ease}.form-control:focus{border-color:var(--primary-color);box-shadow:0 0 0 .25rem rgba(67,97,238,.25)}footer{margin-top:auto}.social-links a{font-size:1.2rem;transition:all .3s ease}.social-links a:hover{color:var(--accent-color)!important;transform:translateY(-3px)}@media (max-width:768px){.hero-section{margin-top:56px;min-height:auto;padding:4rem 0}.display-4{font-size:2.5rem}.navbar-collapse{background:#fff;padding:1rem;border-radius:10px;margin-top:10px;box-shadow:0 5px 15px rgba(0,0,0,.1)}.navbar-dark .navbar-nav .nav-link{color:var(--dark-color)!important;margin:5px 0}}.fade-in{animation:fadeIn 1s ease-in}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.loading{display:inline-block;width:20px;height:20px;border-radius:50%;border:3px solid hsla(0,0%,100%,.3);border-top-color:#fff;animation:spin 1s ease-in-out infinite}@keyframes spin{to{transform:rotate(1turn)}}.card{border:none;border-radius:15px;overflow:hidden;transition:all .3s ease}.card:hover{transform:translateY(-5px);box-shadow:0 10px 25px rgba(0,0,0,.1)}.bg-primary{background-color:var(--primary-color)!important}.btn{position:relative;overflow:hidden}.btn:before{content:"";position:absolute;top:50%;left:50%;width:0;height:0;background:hsla(0,0%,100%,.2);border-radius:50%;transform:translate(-50%,-50%);transition:width .6s,height .6s}.btn:hover:before{width:300px;height:300px}