@keyframes bounce{0%,20%,50%,80%,to{transform:translateY(0)}40%{transform:translateY(-10px)}60%{transform:translateY(-5px)}}:root{--font-sans:"Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    Roboto, "Helvetica Neue", Arial, sans-serif;--color-primary:#0077cc;--color-text:#333;--color-bg:#f9f9f9;--transition-speed:0.3s}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:var(--font-sans);background:var(--color-bg);line-height:1.6;text-rendering:optimizeLegibility}.hero{height:100vh;display:flex;flex-direction:column;justify-content:center;align-items:center;background:linear-gradient(135deg,#eaeff5,#fff);text-align:center;position:relative;overflow:hidden}.hero h1{font-size:4rem}.hero .highlight,.social-links a:hover .link-label,section h2{color:var(--color-primary)}.hero .subtitle{font-size:1.2rem;color:#555;margin-top:.5rem}.scroll-down,body{color:var(--color-text)}.scroll-down{position:absolute;bottom:20px;font-size:2rem;cursor:pointer;animation:bounce 2s infinite}section{max-width:1000px;margin:0 auto;padding:80px 20px;opacity:0;transform:translateY(20px);transition:opacity var(--transition-speed) ease-out,transform var(--transition-speed) ease-out}section.show{opacity:1;transform:translateY(0)}section h2{font-size:2rem;text-align:center;margin-bottom:1rem}.about p{max-width:800px;margin:0 auto;color:#555}.project-filters{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-bottom:20px}.filter-btn{padding:6px 12px;background:#e4e4e4;border:0;border-radius:4px;cursor:pointer;font-size:.9rem;color:#333;transition:background var(--transition-speed)}.filter-btn:hover{background:#d1d1d1}.filter-btn.active{background:var(--color-primary);color:#fff}.filter-btn:focus-visible{outline:2px solid #004f87;outline-offset:2px}.project.hide{display:none}.project-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px;justify-content:center}.project,.project-details{display:flex;flex-direction:column}.project{position:relative;overflow:hidden;border-radius:8px;box-shadow:0 4px 6px rgba(0,0,0,.1);background:#fff;user-select:none}.project,.project .overlay,.project img{transition:transform var(--transition-speed)}.project img{width:100%;height:auto;display:block;border-radius:8px 8px 0 0}.project .overlay{position:absolute;bottom:0;left:0;right:0;background:rgba(0,119,204,.8);color:#fff;padding:10px;text-align:center;transform:translateY(100%)}.project:hover img{transform:scale(1.05)}.project:hover .overlay{transform:translateY(0)}.project::after{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.1);opacity:0;transition:opacity var(--transition-speed);border-radius:8px;pointer-events:none}.project:hover::after{opacity:1}.project:active{transform:scale(.98);transition:transform .1s}.project-details{flex:1;padding:16px}.project-details h3{font-size:1.25rem;margin-bottom:8px;color:var(--color-text)}.project-desc{font-size:.95rem;margin-bottom:12px;color:#555}.project-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto}.project-meta .type{font-weight:600;color:var(--color-primary)}.project-meta .date,.project-meta .tag{background:#e4e4e4;color:var(--color-text);padding:2px 6px;border-radius:4px}.tags{font-size:.9rem;color:#777;margin-top:8px;text-align:center}.timeline-container{position:relative;margin:20px auto 0;padding:10px 0 10px 60px;max-width:800px}.timeline-container::before{content:"";position:absolute;left:30px;top:0;width:3px;bottom:0;background:var(--color-primary);z-index:-1}.timeline-event{position:relative;margin-bottom:30px;padding-left:30px}.timeline-event:last-child{margin-bottom:0}.timeline-date,.timeline-event::before{position:absolute;top:0;background:var(--color-primary)}.timeline-event::before{content:"";left:26px;width:12px;height:12px;border-radius:50%;z-index:-1}.timeline-date{left:30px;transform:translateX(-50%);display:inline-block;color:#fff;padding:3px 8px;border-radius:4px;font-size:.85rem;margin:0;z-index:2}.timeline-month-label{margin:8px 0 4px 60px;font-weight:600;color:var(--color-primary);font-size:.9rem}.timeline-content{background:#fff;padding:8px 12px;border-radius:4px;box-shadow:0 2px 4px rgba(0,0,0,.1);color:var(--color-text);margin-bottom:8px;margin-left:80px}.timeline-month{font-weight:600;color:var(--color-primary);margin-right:6px}.social-links{display:flex;justify-content:center;gap:20px;margin-top:10px}.link-label,.social-links a{transition:color var(--transition-speed)}.social-links a{display:inline-flex;flex-direction:column;align-items:center;text-decoration:none;font-size:1.8rem;color:var(--color-primary)}.link-label{display:block;font-size:.9rem;margin-top:4px;color:var(--color-text)}.social-links a:hover{color:#005fa3}.social-links a:focus-visible{outline:2px solid var(--color-primary);outline-offset:3px;border-radius:6px}.social-links img{width:40px;height:40px;object-fit:contain;transition:transform var(--transition-speed) ease}.social-links a:hover img{transform:scale(1.1)}.side-nav{position:fixed;top:50%;left:20px;transform:translateY(-50%);z-index:10;opacity:0;pointer-events:none;transition:opacity var(--transition-speed) ease}.modal.show,.side-nav.visible{opacity:1;pointer-events:auto}.side-nav ul{list-style:none}.side-nav li{margin:12px 0}.side-nav a{position:relative;display:inline-block;padding-left:20px;color:#555;text-decoration:none;font-size:1rem;transition:color var(--transition-speed)}.side-nav a::before{content:"○";position:absolute;left:0;top:0;color:#aaa}.side-nav a.active{color:var(--color-primary)}.side-nav a.active::before{content:"●";color:var(--color-primary)}@media (max-width:800px){.side-nav{display:none}}@media (max-width:600px){.hero h1{font-size:2.5rem}.project-grid{grid-template-columns:1fr}.timeline-container{padding:10px 0 10px 45px}.timeline-container::before{left:15px}.timeline-event::before{left:18px}.timeline-date{font-size:.75rem}}.modal{position:fixed;top:0;left:0;width:100%;height:100%;display:flex;align-items:center;justify-content:center;visibility:hidden;opacity:0;pointer-events:none;transition:opacity var(--transition-speed) ease,visibility var(--transition-speed) ease;z-index:1000;border:0;padding:0;background:0 0}.modal.show{visibility:visible}.modal::backdrop{background:rgba(0,0,0,.6)}.modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.6)}.modal-content{position:relative;background:#fff;border-radius:8px;padding:20px;max-width:720px;width:min(92vw,720px);max-height:90%;overflow-y:auto;overflow-x:hidden;z-index:10}.modal-close{position:absolute;top:12px;right:12px;background:0 0;border:0;font-size:1.5rem;cursor:pointer;color:#333}.modal-img{width:100%;max-height:60vh;object-fit:contain;border-radius:4px;display:block;margin:0 auto;opacity:1;transition:opacity .3s ease}.modal-actions{margin-top:16px;display:flex;gap:12px}.btn{display:inline-block;padding:8px 12px;background:var(--color-primary);color:#fff;text-decoration:none;border-radius:4px;transition:background var(--transition-speed)}.btn:hover{background:#005fa3}.modal-slider{position:relative;width:100%;margin-bottom:12px;overflow:hidden}.modal-arrow{position:absolute;top:50%;transform:translateY(-50%);background:rgba(0,0,0,.4);color:#fff;border:0;width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:2}.modal-prev{left:8px}.modal-next{right:8px}.modal-arrow:disabled{opacity:.4;cursor:default}.site-footer{background:#1a1a1a;color:#ccc;padding:20px 0}.site-footer .footer-inner{max-width:1000px;margin:0 auto;display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;padding:0 20px}.footer-nav{display:flex;gap:16px}.footer-nav a{color:#e0e0e0;text-decoration:none;font-size:.95rem;transition:color var(--transition-speed)}.footer-attribution a:hover,.footer-nav a:hover{color:#fff}.footer-attribution a{color:#e0e0e0}.footer-attribution{font-size:.8rem;color:#bdbdbd;text-align:center;flex:1 1 100%;line-height:1.4}.footer-copy{font-size:.85rem;color:#c8c8c8}.site-footer a:focus-visible{outline:2px solid #fff;outline-offset:2px;border-radius:3px}@media (max-width:600px){.site-footer .footer-inner{flex-direction:column;text-align:center}.footer-nav{justify-content:center}.footer-copy{margin-top:8px}}.contact-note{text-align:center;margin:0 auto 16px;max-width:600px}body.noscroll{overflow:hidden}