.main-nav{padding:0 2rem}.nav-container{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;padding:1rem 0}.nav-brand a{font-size:1.5rem;font-weight:700;color:var(--primary-color);text-decoration:none;letter-spacing:.5px;padding:.5rem 0;transition:color .2s ease}.nav-links{display:flex;gap:2.5rem;list-style:none;margin:0;padding:0;align-items:center}.nav-links a{text-decoration:none;color:var(--text-color);font-weight:500;font-size:1rem;padding:.5rem 0;position:relative;transition:color .2s ease}.nav-brand a:focus-visible{color:var(--primary-color);text-decoration:underline;text-underline-offset:4px;outline:none}.nav-links a:focus-visible{color:var(--primary-color);outline:none}.nav-links a:after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background-color:var(--primary-color);transition:width .3s ease}.nav-links a:hover:after,.nav-links a.active:after,.nav-links a:focus-visible:after{width:100%}.hamburger{display:none;flex-direction:column;justify-content:space-between;width:30px;height:21px;background:transparent;border:none;cursor:pointer;padding:0;z-index:10}.hamburger-line{width:100%;height:3px;background-color:var(--primary-color);transition:all .3s ease}.hamburger.active .hamburger-line:nth-child(1){transform:translateY(9px) rotate(45deg)}.hamburger.active .hamburger-line:nth-child(2){opacity:0}.hamburger.active .hamburger-line:nth-child(3){transform:translateY(-9px) rotate(-45deg)}@media(max-width:768px){.hamburger{display:flex}.nav-links{display:flex;flex-direction:column;position:fixed;top:0;right:-100%;width:70%;height:100vh;background:#fff;padding:6rem 2rem;transition:right .3s ease,visibility .3s ease;gap:1.5rem;box-shadow:-2px 0 5px #0000001a;visibility:hidden}.nav-links.active{right:0;visibility:visible}.nav-links a{font-size:1.1rem}}.header{position:fixed;top:0;left:0;right:0;background:#fffffff2;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:1000;border-bottom:1px solid rgba(229,231,235,.5)}.footer{background-color:#f8fafc;border-top:1px solid #e5e7eb;padding:2rem;margin-top:auto}.footer-content{max-width:1200px;margin:0 auto}.footer-info{display:flex;justify-content:space-between;align-items:center;gap:2rem}.footer-copyright{color:var(--text-color)}.footer-social{display:flex;gap:1.5rem}.footer-social a{color:var(--text-color);transition:color .3s ease,transform .2s ease;display:flex;align-items:center;justify-content:center;padding:.5rem;border-radius:50%;background-color:#fff;box-shadow:0 2px 4px #0000001a}.footer-social a:hover{color:var(--primary-color);transform:translateY(-2px)}@media(max-width:768px){.footer-info{flex-direction:column;text-align:center}.footer-social{justify-content:center}}.loading-spinner{display:flex;justify-content:center;align-items:center;min-height:50vh}.spinner{width:50px;height:50px;border:3px solid #f3f3f3;border-top:3px solid var(--primary-color);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.error-container{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:50vh;text-align:center;padding:2rem}.error-container h1{color:var(--text-color);margin-bottom:1rem}.error-container button{padding:.75rem 1.5rem;background-color:var(--primary-color);color:#fff;border:none;border-radius:var(--border-radius);cursor:pointer;transition:background-color .3s ease}.error-container button:hover{background-color:var(--secondary-color)}.app{min-height:100vh;display:flex;flex-direction:column}.main-content{flex:1}.skip-link{position:absolute;top:-100%;left:16px;z-index:10000;padding:.75rem 1.5rem;background-color:var(--primary-color);color:#fff;text-decoration:none;font-weight:600;border-radius:0 0 var(--border-radius) var(--border-radius);transition:top .2s ease}.skip-link:focus{top:0;outline:2px solid var(--secondary-color);outline-offset:2px}:root{--primary-color: #2563eb;--secondary-color: #1e40af;--text-color: #1f2937;--background-color: #ffffff;--accent-color: #3b82f6;--border-radius: 8px;--primary-tint-weak: #eef2fd;--primary-tint-strong: #dce6fb}*{margin:0;padding:0;box-sizing:border-box}*:focus-visible{outline:2px solid var(--primary-color);outline-offset:2px}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;line-height:1.6;color:var(--text-color)}.section-container{max-width:1200px;margin:0 auto;padding:7rem 2rem}.section-title{font-size:2rem;margin-top:0;margin-bottom:2rem;text-align:center;color:var(--text-color)}@media(max-width:768px){.section-container{padding:5rem 1rem}}