.site-footer{background-color:#2c3e50;color:#ecf0f1;padding:60px 0 20px;margin-top:50px}.footer-content{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));grid-gap:40px;gap:40px;margin-bottom:40px}.footer-section{display:flex;flex-direction:column}.footer-title{font-size:1.8rem;margin-bottom:20px;color:white}.footer-description{margin-bottom:20px;line-height:1.6;max-width:300px}.footer-heading{font-size:1.2rem;margin-bottom:20px;color:white;position:relative;padding-bottom:10px}.footer-heading:after{content:"";position:absolute;left:0;bottom:0;width:40px;height:2px;background-color:var(--secondary-color,#0066cc)}.footer-links{list-style:none;padding:0;margin:0}.footer-links li{margin-bottom:10px}.footer-links a{color:#bdc3c7;text-decoration:none;transition:color .3s ease}.footer-links a:hover{color:var(--secondary-color,#0066cc)}.footer-contact{list-style:none;padding:0;margin:0}.footer-contact li{display:flex;align-items:flex-start;margin-bottom:15px}.footer-contact i{margin-right:15px;color:var(--secondary-color,#0066cc);font-size:1.1rem;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-color:rgba(255,255,255,.1);border-radius:50%;color:white;text-decoration:none;transition:background-color .3s ease,transform .3s ease}.social-links a:hover{background-color:var(--secondary-color,#0066cc);transform:translateY(-3px)}.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:20px;border-top:1px solid rgba(255,255,255,.1)}.copyright p{margin:0;font-size:.9rem}.footer-bottom-links{display:flex;gap:20px}.footer-bottom-links a{color:#bdc3c7;text-decoration:none;font-size:.9rem;transition:color .3s ease}.footer-bottom-links a:hover{color:var(--secondary-color,#0066cc)}@media (max-width:768px){.footer-content{grid-template-columns:1fr;gap:30px}.footer-bottom{flex-direction:column;align-items:flex-start;gap:15px}.footer-bottom-links{flex-direction:column;gap:10px}}header{width:100%;background-color:#ffffff;box-shadow:0 2px 4px rgba(0,0,0,.1);position:-webkit-sticky;position:sticky;top:0;z-index:1000}.header-content{justify-content:space-between;height:70px}.header-content,.logo{display:flex;align-items:center}.logo-text{font-size:1.8rem;font-weight:700;color:var(--primary-color,#009688);text-decoration:none;letter-spacing:-1px}.topnav{display:flex;justify-content:flex-end;align-items:center;flex-grow:1}.topnav a{color:#333;text-decoration:none;font-weight:500;padding:.5rem 1rem;border-radius:4px;transition:background-color .3s}.topnav a:hover{background-color:#f0f0f0}.auth-nav{display:flex;margin-left:1rem}.auth-nav a{background-color:var(--primary-color,#009688);color:white;padding:.4rem 1rem;border-radius:4px;font-weight:500;transition:background-color .3s}.auth-nav a:hover{background-color:var(--primary-dark,#00796b)}.auth-loading{background-color:var(--primary-color,#009688);color:white;padding:.4rem 1rem;border-radius:4px;font-weight:500;display:inline-block;min-width:80px;text-align:center}.topnav a.active{color:#0066cc;background-color:#e6f2ff}.menu-toggle{display:none;font-size:1.5rem;cursor:pointer;position:absolute;right:20px;top:15px}@media (max-width:768px){.header-container{padding:0 2%}.menu-toggle{display:block}.topnav{position:absolute;top:70px;left:0;width:100%;background-color:#fff;flex-direction:column;align-items:flex-start;box-shadow:0 4px 8px rgba(0,0,0,.1);z-index:1000;display:none;padding:1rem 0}.topnav.responsive{display:flex}.topnav a{width:100%;text-align:left;padding:1rem 5%}}.language-switcher{margin-left:1rem}.lang-btn,.language-switcher{display:flex;gap:.5rem;align-items:center}.lang-btn{color:#333;text-decoration:none;font-weight:500;padding:.4rem 1rem;border-radius:4px;transition:background-color .3s;cursor:pointer;border:none;background:transparent;min-height:38px}.lang-btn:hover{background-color:#f0f0f0}.lang-btn.active{color:#0066cc;background-color:#e6f2ff}.lang-icon{font-size:1.25rem;line-height:1}.lang-name{font-size:.75rem;letter-spacing:.05em;text-transform:uppercase}@media (max-width:768px){.lang-btn{padding:.4rem .8rem}.lang-icon{font-size:1.125rem}.lang-code{font-size:.6875rem}}@tailwind base;@tailwind components;@tailwind utilities;.btn{display:inline-block;padding:.5rem 1rem;font-weight:500;text-align:center;text-decoration:none;vertical-align:middle;cursor:pointer;-webkit-user-select:none;-moz-user-select:none;user-select:none;border:1px solid transparent;border-radius:.25rem;transition:color .15s ease-in-out,background-color .15s ease-in-out,border-color .15s ease-in-out,box-shadow .15s ease-in-out}.btn-primary{color:#fff;background-color:var(--primary-color);border-color:var(--primary-color)}.btn-primary:hover{background-color:var(--primary-dark);border-color:var(--primary-dark);text-decoration:none}.btn-secondary{color:#fff;background-color:var(--secondary-color);border-color:var(--secondary-color)}.btn-secondary:hover{background-color:#0056b3;border-color:#0056b3;text-decoration:none}.form-group{margin-bottom:1rem}.form-group label{display:block;margin-bottom:.5rem;font-weight:500}.form-group input,.form-group textarea{display:block;width:100%;padding:.375rem .75rem;font-size:1rem;line-height:1.5;color:#495057;background-color:#fff;background-clip:padding-box;border:1px solid #ced4da;border-radius:.25rem;transition:border-color .15s ease-in-out,box-shadow .15s ease-in-out}.form-group input:focus,.form-group textarea:focus{color:#495057;background-color:#fff;border-color:#80bdff;outline:0;box-shadow:0 0 0 .2rem rgba(0,123,255,.25)}.checkbox-label{display:flex;align-items:center}.checkbox-label input{margin-right:.5rem}.forum-topic,.research-card{padding:1.5rem;border:1px solid #e9ecef;border-radius:.25rem}.activity-item{padding:1rem;border-bottom:1px solid #e9ecef}.activity-item:last-child{border-bottom:none}.resource-item{padding:1.5rem;border:1px solid #e9ecef;border-radius:.25rem}.contact-form,.contact-info{max-width:600px;margin:0 auto}.login-form{max-width:400px;margin:0 auto;padding:2rem;border:1px solid #e9ecef;border-radius:.25rem;background-color:#fff}*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color:#0066cc;--primary-dark:#004d99;--secondary-color:#009688;--text-color:#333;--background-color:#f5f5f5}.font-sans,body{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;line-height:1.6;color:var(--text-color);background-color:var(--background-color)}a{color:var(--secondary-color);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:1200px;margin:0 auto;padding:0 20px}.text-center{text-align:center}.mt-1{margin-top:.25rem}.mt-2{margin-top:.5rem}.mt-3{margin-top:1rem}.mt-4{margin-top:1.5rem}.mt-5{margin-top:3rem}.app-layout{min-height:100vh;display:flex;flex-direction:column}main{flex:1 1;padding:20px}