@import "https://fonts.googleapis.com/css2?family=Open+Sans:wght@400;600;700&display=swap";:root{--sidebar-bg:#1a2236;--primary-bg:#f9fbfd;--accent:#4f8cff;--accent-hover:#3a7ae8;--text-main:#232946;--text-light:#fff;--text-muted:#666;--card-bg:#fff;--shadow:0 4px 24px #1e225a26;--shadow-hover:0 8px 32px #1e225a40;--sidebar-width:260px;--content-width:1024px;--arrow-color:#6fe056;--border-radius:12px;--transition:all .3s cubic-bezier(.4,0,.2,1)}*,:before,:after{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--primary-bg);color:var(--text-main);margin:0;padding:0;font-family:Open Sans,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.6;overflow-x:hidden}.visually-hidden{clip:rect(0,0,0,0);border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}a:focus,button:focus,input:focus{outline:2px solid var(--accent);outline-offset:2px}h1,h2,h3,h4{margin:0 0 1rem;font-weight:700;line-height:1.3}h1{font-size:1.9rem}h2{font-size:1.7rem}h3{font-size:1.5rem}h4{font-size:1.3rem}abbr{font-size:1.4rem}p{color:var(--text-muted);margin:0 0 1rem;font-size:1.1rem}a{color:var(--accent);transition:var(--transition);text-decoration:none}a:hover,a:focus{color:var(--accent-hover)}p a{border-bottom:1px dotted}.container{width:100%;min-height:100vh;display:block}.content{margin-left:var(--sidebar-width);width:calc(100% - var(--sidebar-width));padding:0}.sidebar{width:var(--sidebar-width);background:var(--sidebar-bg);height:100vh;color:var(--text-light);box-shadow:var(--shadow);z-index:100;border-radius:0 24px 24px 0;flex-direction:column;padding:2rem 1.5rem;display:flex;position:fixed;top:0;left:0}.sidebar ul{width:100%;margin:0;padding:0;list-style:none}.sidebar ul li{margin:1rem 0}.sidebar ul li a{color:var(--text-light);transition:var(--transition);border-radius:8px;padding:.5rem 1rem;font-size:1.1rem;font-weight:600;display:block;position:relative;overflow:hidden}.sidebar ul li a:after{content:"";background:var(--accent);width:0;height:2px;transition:width .3s;position:absolute;bottom:0;left:0}.sidebar ul li a:hover{color:var(--accent)}.sidebar ul li a:hover:after{width:100%}.sidebar ul li ul{opacity:0;max-height:0;padding-left:2rem;transition:max-height .4s,opacity .4s;overflow:hidden}.sidebar ul li.open>ul{opacity:1;max-height:500px}.sidebar ul li ul li{opacity:0;margin:.3rem 0;padding-left:1rem;transition:transform .4s,opacity .4s;position:relative;transform:translate(-10px)}.sidebar ul li.open>ul li{opacity:1;transform:translate(0)}.sidebar ul li ul li:before{content:"•";color:var(--accent);position:absolute;top:50%;left:0;transform:translateY(-50%)}.sidebar-bottom-item{justify-content:center;width:100%;margin-top:auto;padding-bottom:1.5rem;display:flex}.sidebar-contact{color:var(--text-light);background:var(--accent);transition:var(--transition);border-radius:8px;align-items:center;gap:.5rem;padding:.5rem 1rem;font-size:1.1rem;font-weight:600;display:flex}.sidebar-contact:hover{background:var(--accent-hover);box-shadow:var(--shadow-hover);transform:translateY(-2px)}section{width:100%;max-width:var(--content-width);background:var(--card-bg);border-radius:var(--border-radius);box-shadow:var(--shadow);margin:2rem auto;padding:2rem 1.5rem}body:has(.iframe-container){overflow:hidden}.iframe-container{margin-left:var(--sidebar-width)}.iframe-container iframe{width:100%;max-width:var(--content-width);background:var(--card-bg);border-radius:var(--border-radius);height:100vh;box-shadow:var(--shadow);border:none;margin:2rem auto;display:block}.landing-section{min-height:100vh;max-width:var(--content-width);box-shadow:none;background:0 0;justify-content:flex-start;align-items:center;margin:0 auto;padding:24px;display:flex}.landing-left{z-index:2;user-select:none;flex-direction:column;flex:none;justify-content:center;align-items:center;height:100vh;display:flex;position:sticky;top:0}.landing-right{z-index:1;flex-direction:column;flex:1;justify-content:center;align-items:flex-start;padding:3rem 4rem;display:flex;position:relative}.landing-right h2{color:var(--text-main);margin-bottom:1rem;font-size:1.6rem}.landing-right p{color:var(--text-main);text-align:justify;margin:0;font-size:1.2rem}.profile-photo{object-fit:cover;width:180px;height:180px;box-shadow:var(--shadow);background:var(--card-bg);transition:var(--transition);border-radius:50%;margin-bottom:1rem}.profile-photo:hover{box-shadow:var(--shadow-hover);transform:scale(1.05)}.name{color:var(--text-main);letter-spacing:.5px;text-align:center;flex-wrap:wrap;align-items:baseline;gap:.5rem;margin-top:.75rem;font-size:1.5rem;font-weight:700;display:flex}.icons{z-index:2;justify-content:center;align-items:center;gap:1rem;margin-top:1.5rem;display:flex;position:relative}.icon-link{background:var(--card-bg);width:40px;height:40px;color:var(--sidebar-bg);box-shadow:var(--shadow);transition:var(--transition);border-radius:50%;justify-content:center;align-items:center;font-size:1.3rem;display:inline-flex}.icon-link:hover{background:var(--accent);color:var(--text-light);box-shadow:var(--shadow-hover);transform:translateY(-3px)}.icon-labels-container{width:100%;max-width:400px;height:120px;margin:0 auto;position:relative}.icon-label{color:var(--arrow-color);font-size:1rem;font-weight:600;position:absolute}.linkedin-label{top:40px;left:-20px}.github-label{bottom:10px;left:40px}.researchgate-label{bottom:20px;left:120px}.resume-label{top:40px;right:-20px}.arrows-svg{z-index:1;pointer-events:none;width:100%;height:100%;position:absolute;top:0;left:0}.arrows-svg path{fill:none;marker-end:url(#arrowhead);stroke:var(--arrow-color);stroke-dasharray:5 5;stroke-width:2px}.arrows-svg marker,.arrows-svg polygon{fill:var(--arrow-color)}.floating-tooltip{color:#fff;white-space:nowrap;box-shadow:var(--shadow);z-index:100000;pointer-events:none;background:#232323;border-radius:6px;padding:.25rem .5rem;font-size:.9rem;position:fixed}.teaching-resources-list{grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem;display:grid}.teaching-resources-item{background:var(--card-bg);border-radius:var(--border-radius);box-shadow:var(--shadow);transition:var(--transition);padding:1rem}.teaching-resources-item:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}.teaching-resources-item ul{margin:0;padding:0;list-style:none}.teaching-resources-item ul li a{transition:var(--transition);display:inline-block;position:relative;overflow:hidden}.teaching-resources-item ul li a:after{content:"";background:var(--accent);width:0;height:2px;transition:width .3s;position:absolute;bottom:0;left:0}.teaching-resources-item ul li a:hover:after{width:100%}.teaching-resources-gallery{grid-column:1/-1}.gallery-link{cursor:pointer}.gallery-legend{justify-content:center;align-items:center;gap:2rem;margin-bottom:1.5rem;display:flex}.gallery-legend span{align-items:center;gap:.5rem;display:flex}.color-dot{width:16px;height:16px;box-shadow:0 2px 8px rgba(0,0,0,0.);opacity:.8;border:2px solid #ccc;border-radius:50%}.color-dot.blue{background:#4f8cff;border-color:#4f8cff}.color-dot.yellow{background:#ffd84f;border-color:#ffd84f}.gallery-thumbnails{grid-template-columns:repeat(auto-fill,minmax(100px,1fr));gap:.5rem;padding:.5rem;display:grid}.gallery-thumbnails a{transition:var(--transition);border-radius:8px;display:block;overflow:hidden}.gallery-thumbnails a:hover{transform:scale(1.05)}.gallery-thumbnails img{object-fit:cover;width:100%;height:auto;box-shadow:var(--shadow);transition:var(--transition);border-radius:8px}.gallery-thumbnails a.meme img{box-shadow:0 4px 20px #4f8cff66}.gallery-thumbnails a.educ img{box-shadow:0 4px 20px #ffd84f66}.lightbox{z-index:10000;background:#000000e6;justify-content:center;align-items:center;width:100%;height:100%;display:none;position:fixed;top:0;left:0}.lightbox.show{display:flex}.lightbox-img{object-fit:contain;border-radius:8px;max-width:90%;max-height:90%}.lightbox-close{color:#fff;cursor:pointer;transition:var(--transition);font-size:2rem;position:absolute;top:20px;right:30px}.lightbox-close:hover{color:var(--accent)}.lightbox-nav{color:#fff;cursor:pointer;user-select:none;transition:var(--transition);padding:0 1rem;font-size:3rem;position:absolute;top:50%;transform:translateY(-50%)}.lightbox-nav:hover{color:var(--accent)}.lightbox-prev{left:20px}.lightbox-next{right:20px}.lightbox-caption{color:#fff;background:#0009;border-radius:4px;padding:.25rem .5rem;font-size:.9rem;position:absolute;bottom:100px;left:50%;transform:translate(-50%)}.lightbox-caption a{color:var(--accent)}.lightbox-thumbnails{background:#0009;border-radius:8px;gap:.5rem;padding:.5rem;display:flex;position:absolute;bottom:20px;left:50%;overflow-x:auto;transform:translate(-50%)}.lightbox-thumbnails img{object-fit:cover;opacity:.6;cursor:pointer;width:48px;height:32px;transition:var(--transition);border-radius:4px}.lightbox-thumbnails img.active{opacity:1;border:2px solid var(--accent)}.testimonial-carousel{justify-content:center;align-items:center;width:100%;min-height:180px;margin:2rem 0;display:flex;position:relative;overflow:hidden}.testimonial-cards{flex:1;justify-content:center;align-items:stretch;gap:1.25rem;max-width:calc(780px + 2.5rem);margin:.5rem auto;display:flex;position:relative}.testimonial-card{background:var(--card-bg);box-shadow:var(--shadow);border-radius:var(--border-radius);width:260px;min-height:140px;transition:var(--transition);flex-direction:column;padding:1rem;display:flex}.testimonial-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}.testimonial-text{color:var(--text-main);word-break:break-word;flex:1;margin-bottom:.75rem;font-size:.95rem}.testimonial-source{color:var(--text-muted);text-align:right;justify-content:flex-end;align-items:center;gap:.5rem;margin-top:auto;font-size:.85rem;display:flex}.testimonial-source a{color:inherit;text-decoration:underline}.testimonial-bottom-row{justify-content:space-between;align-items:flex-end;width:100%;margin-top:auto;display:flex}.testimonial-number{color:#bbb;font-size:.85rem;font-weight:600}.testimonial-arrow{background:var(--card-bg);color:var(--accent);width:36px;height:36px;box-shadow:var(--shadow);cursor:pointer;transition:var(--transition);z-index:2;border:none;border-radius:50%;justify-content:center;align-items:center;font-size:1.7rem;display:flex}.testimonial-arrow:hover{background:var(--accent);color:var(--card-bg);transform:scale(1.1)}.testimonial-arrow-left{margin-right:.75rem}.testimonial-arrow-right{margin-left:.75rem}.tag-filter{flex-wrap:wrap;align-items:center;gap:.75rem;margin-bottom:1.5rem;display:flex}.tag-filter h2{width:100%;margin-bottom:1rem}.blog-search{width:100%;transition:var(--transition);border:1px solid #ddd;border-radius:8px;margin-bottom:1rem;padding:.75rem;font-size:1rem}.blog-search:focus{border-color:var(--accent);box-shadow:0 0 0 3px #4f8cff1a}.tag-filter button{cursor:pointer;transition:var(--transition);background:#f1f1f1;border:none;border-radius:6px;padding:.5rem 1rem;font-size:.9rem}.tag-filter button:hover{background:#e0e0e0}.tag-filter button.active{background:var(--accent);color:#fff}.blog-post{border-bottom:1px solid #eee;margin-bottom:1.5rem;padding-bottom:1.5rem}.blog-post:last-child{border-bottom:none;margin-bottom:0}.blog-post h3{margin-bottom:.5rem}.blog-post h3 a{color:var(--text-main);transition:var(--transition)}.blog-post h3 a:hover{color:var(--accent)}.post-meta{color:var(--text-muted);margin-bottom:.75rem;font-size:.9rem}.post-tags{flex-wrap:wrap;gap:.5rem;margin-bottom:.75rem;display:flex}.post-tags span{color:var(--text-muted);background:#f1f1f1;border-radius:4px;padding:.25rem .5rem;font-size:.8rem}.blog-pagination{justify-content:center;align-items:center;gap:.5rem;margin:2rem 0 1rem;display:flex}.blog-pagination button{color:#222;cursor:pointer;transition:var(--transition);background:#fff;border:1px solid #bbb;border-radius:6px;padding:.5rem 1rem;font-size:1rem;box-shadow:0 1px 2px #0000000a}.blog-pagination button.active,.blog-pagination button:hover:not(:disabled){background:var(--accent);color:#fff;border-color:var(--accent)}.blog-pagination button:disabled{opacity:.5;cursor:not-allowed;color:#aaa;background:#f5f5f5;border-color:#eee}footer{text-align:center;margin-left:var(--sidebar-width);color:var(--text-muted)}.heart{color:#e74c3c;animation:1.5s ease-in-out infinite heartbeat}@keyframes heartbeat{0%,to{transform:scale(1)}50%{transform:scale(1.1)}}@media (width<=1024px){.landing-right{padding:2rem}.testimonial-cards{max-width:calc(440px + 1.25rem)}.testimonial-card{width:220px}}@media (width<=768px){:root{--sidebar-width:0px}.sidebar{border-radius:0;width:100%;height:auto;padding:1rem;position:relative}.content{width:100%;margin-left:0}.landing-section{flex-direction:column;min-height:auto;padding:1rem}.landing-left{height:auto;margin-bottom:2rem;position:relative}.landing-right{text-align:center;padding:1rem}.teaching-resources-list{grid-template-columns:1fr}.testimonial-cards{flex-direction:column;max-width:100%}.testimonial-card{width:100%}.icon-labels-container{max-width:320px;height:150px}.icon-label{font-size:.9rem}.arrows-svg{transform-origin:50%;transform:scale(.8)}footer{margin-left:0}}@media (width<=480px){.landing-section{padding:.5rem}.profile-photo{width:150px;height:150px}.name{font-size:1.3rem}.landing-right h2{font-size:1.4rem}.landing-right p{font-size:1rem}.icon-labels-container{max-width:280px}.icon-label{font-size:.8rem}.blog-pagination{gap:.25rem}.blog-pagination button{padding:.4rem .7rem;font-size:.9rem}}@media print{.sidebar,.lightbox,.testimonial-arrow,.blog-pagination{display:none!important}.content{width:100%;margin-left:0}.landing-section{flex-direction:column;min-height:auto}*{box-shadow:none!important}}