*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:DM Sans,sans-serif;background:#d7e5f0;color:#554940;overflow-x:hidden}::selection{background:#55494033;color:#554940}.portfolio-container{position:relative;min-height:100vh;background:#d7e5f0}.background-gradient{position:fixed;inset:0;background:radial-gradient(ellipse at 20% 0%,rgba(85,73,64,.05) 0%,transparent 50%),radial-gradient(ellipse at 80% 100%,rgba(85,73,64,.03) 0%,transparent 50%);pointer-events:none;z-index:0}.nav{position:fixed;top:0;left:0;right:0;z-index:1000;padding:20px 0;transition:all .3s ease}.nav-active{background-color:#d7e5f0f2;backdrop-filter:blur(20px)}.nav-content{max-width:1400px;margin:0 auto;padding:0 60px;display:flex;justify-content:space-between;align-items:center}.logo{font-family:Bebas Neue,sans-serif;font-size:32px;font-weight:400;color:#554940;text-decoration:none;letter-spacing:.05em}.nav-links{display:flex;gap:40px}.nav-link{color:#554940;text-decoration:none;font-size:14px;font-weight:500;letter-spacing:.08em;text-transform:uppercase;transition:opacity .2s ease;opacity:.7}.nav-link:hover{opacity:1}.mobile-menu-btn{display:none;flex-direction:column;justify-content:center;gap:6px;width:32px;height:32px;background:none;border:none;cursor:pointer;padding:4px}.menu-line{width:100%;height:2px;background:#554940;transition:all .3s ease}.menu-line.open:nth-child(1){transform:rotate(45deg) translate(6px,6px)}.menu-line.open:nth-child(2){opacity:0}.menu-line.open:nth-child(3){transform:rotate(-45deg) translate(6px,-6px)}.mobile-nav{display:none;flex-direction:column;background:#d7e5f0fa;padding:20px 60px;gap:20px}.mobile-nav.open{display:flex}.mobile-nav-link{color:#554940;text-decoration:none;font-size:18px;font-weight:500;letter-spacing:.05em;text-transform:uppercase;padding:10px 0;border-bottom:1px solid rgba(85,73,64,.1)}.hero{min-height:100vh;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:120px 60px 80px;position:relative;z-index:1}.hero-label{font-size:13px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:#554940;margin-bottom:24px;opacity:.6}.hero-title{font-family:Bebas Neue,sans-serif;font-size:clamp(48px,12vw,140px);font-weight:400;line-height:.95;color:#554940;margin-bottom:32px;letter-spacing:.04em}.hero-subtitle{font-size:clamp(16px,2vw,20px);font-weight:400;color:#73787c;max-width:550px;line-height:1.7;margin-bottom:48px}.hero-cta{display:flex;gap:20px;flex-wrap:wrap;justify-content:center}.primary-button{padding:16px 36px;background:#554940;color:#d7e5f0;text-decoration:none;font-size:13px;font-weight:600;letter-spacing:.1em;border-radius:2px;transition:all .3s ease;font-family:DM Sans,sans-serif}.primary-button:hover{background:#3d352e}.secondary-button{padding:16px 36px;background:transparent;color:#554940;text-decoration:none;font-size:13px;font-weight:500;letter-spacing:.1em;border:2px solid #554940;border-radius:2px;transition:all .3s ease;font-family:DM Sans,sans-serif}.secondary-button:hover{background:#554940;color:#d7e5f0}.scroll-indicator{position:absolute;bottom:40px;left:50%;transform:translate(-50%)}.scroll-line{width:2px;height:60px;background:linear-gradient(180deg,#554940 0%,transparent 100%);animation:scrollBounce 2s ease-in-out infinite;opacity:.4}.philosophy-section{padding:120px 60px;max-width:900px;margin:0 auto;position:relative;z-index:1}.philosophy-quote{font-family:DM Sans,sans-serif;font-size:clamp(18px,2.5vw,28px);font-weight:400;line-height:1.7;color:#554940;text-align:center;border-left:none;padding:0;margin-bottom:40px}.education-badge{display:flex;flex-direction:column;align-items:center;gap:8px;padding:24px 32px;background:#ffffff80;border:1px solid rgba(85,73,64,.1);border-radius:4px}.education-label{font-family:Bebas Neue,sans-serif;font-size:20px;color:#554940;letter-spacing:.05em}.education-degree{font-size:14px;color:#73787c;text-align:center}.section-title{font-family:Bebas Neue,sans-serif;font-size:clamp(36px,6vw,64px);font-weight:400;color:#554940;margin-bottom:16px;letter-spacing:.04em}.section-subtitle{font-size:16px;font-weight:400;color:#73787c;margin-bottom:60px;max-width:500px}.focus-section{padding:100px 60px;max-width:1400px;margin:0 auto;position:relative;z-index:1}.focus-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}.focus-card{padding:40px 36px;background:#ffffff80;border:1px solid rgba(85,73,64,.1);border-radius:4px;transition:all .4s ease;opacity:0;transform:translateY(30px)}.focus-card.visible{opacity:1;transform:translateY(0)}.focus-number{display:block;font-family:Bebas Neue,sans-serif;font-size:18px;color:#554940;margin-bottom:20px;letter-spacing:.1em;opacity:.4}.focus-title{font-family:Bebas Neue,sans-serif;font-size:26px;font-weight:400;color:#554940;margin-bottom:14px;letter-spacing:.02em}.focus-description{font-size:15px;font-weight:400;color:#73787c;line-height:1.7}.projects-section{padding:100px 60px;max-width:1400px;margin:0 auto;position:relative;z-index:1}.projects-container{display:flex;flex-direction:column;gap:30px}.project-card{display:grid;grid-template-columns:1.2fr .8fr;min-height:380px;border-radius:6px;overflow:hidden;border:1px solid rgba(85,73,64,.1);background:#fff9;transition:transform .4s ease,box-shadow .4s ease;opacity:0;transform:translateY(30px)}.project-card.visible{opacity:1;transform:translateY(0)}.project-card:hover{transform:translateY(-4px);box-shadow:0 20px 40px #5549401a}.project-content{padding:44px 50px;display:flex;flex-direction:column;justify-content:center}.project-subtitle{font-size:11px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:#73787c;margin-bottom:8px}.project-title{font-family:Bebas Neue,sans-serif;font-size:clamp(36px,5vw,48px);font-weight:400;color:#554940;margin-bottom:8px;letter-spacing:.02em}.project-role{font-size:13px;font-weight:500;color:#554940;margin-bottom:16px;opacity:.7}.project-description{font-size:15px;font-weight:400;color:#73787c;line-height:1.7;margin-bottom:24px}.project-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:16px}.tag{padding:8px 16px;background:#55494014;border:1px solid rgba(85,73,64,.15);border-radius:2px;font-size:11px;font-weight:600;color:#554940;letter-spacing:.05em;text-transform:uppercase}.project-links{display:flex;gap:20px;flex-wrap:wrap;align-items:center}.project-link{font-size:14px;font-weight:500;color:#554940;text-decoration:underline;text-underline-offset:4px;transition:opacity .2s ease}.project-link:hover{opacity:.7}.project-visual{display:flex;align-items:center;justify-content:center;background:#5549400a;position:relative;overflow:hidden}.video-container{width:100%;height:100%;position:relative;display:flex;align-items:center;justify-content:center;background:#5549400f}.video-container video{width:100%;height:100%;object-fit:cover}.video-container iframe{width:100%;height:100%;border:none}.video-thumbnail{width:100%;height:100%;object-fit:cover;cursor:pointer;transition:transform .3s ease}.video-thumbnail:hover{transform:scale(1.02)}.play-button-overlay{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:80px;height:80px;background:#554940e6;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .3s ease;pointer-events:none}.play-button-overlay:after{content:"";width:0;height:0;border-left:24px solid #D7E5F0;border-top:14px solid transparent;border-bottom:14px solid transparent;margin-left:6px}.video-container:hover .play-button-overlay{background:#554940;transform:translate(-50%,-50%) scale(1.1)}.demo-label{position:absolute;bottom:16px;left:16px;padding:8px 14px;background:#554940e6;color:#d7e5f0;font-size:11px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;border-radius:2px}.visual-pattern{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:40px}.pattern-dot{width:40px;height:40px;border-radius:4px;background:#554940;animation:pulse 3s ease-in-out infinite}.research-section{padding:100px 60px;max-width:1200px;margin:0 auto;position:relative;z-index:1}.research-timeline{display:flex;flex-direction:column;gap:24px}.research-card{padding:36px 40px;background:#ffffff80;border:1px solid rgba(85,73,64,.1);border-radius:4px;border-left:4px solid #554940;opacity:0;transform:translateY(30px);transition:all .6s ease}.research-card.visible{opacity:1;transform:translateY(0)}.research-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:20px;flex-wrap:wrap;gap:16px}.research-role{font-family:Bebas Neue,sans-serif;font-size:24px;font-weight:400;color:#554940;margin-bottom:4px;letter-spacing:.02em}.research-lab{font-size:14px;font-weight:500;color:#554940;opacity:.7}.research-period{font-size:12px;font-weight:500;color:#73787c;letter-spacing:.05em;text-transform:uppercase}.research-highlights{list-style:none;padding:0;margin:0}.highlight-item{font-size:15px;font-weight:400;color:#73787c;line-height:1.7;padding-left:20px;position:relative;margin-bottom:8px}.highlight-item:before{content:"";position:absolute;left:0;top:10px;width:6px;height:6px;background:#554940;border-radius:50%;opacity:.4}.skills-section{padding:100px 60px;max-width:1200px;margin:0 auto;position:relative;z-index:1}.skills-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:40px;margin-top:40px}.skill-category{opacity:0;transform:translateY(20px);transition:all .6s ease}.skill-category.visible{opacity:1;transform:translateY(0)}.skill-category-title{font-family:Bebas Neue,sans-serif;font-size:18px;font-weight:400;letter-spacing:.1em;color:#554940;margin-bottom:16px}.skill-tags{display:flex;flex-wrap:wrap;gap:10px}.skill-tag{padding:10px 18px;background:#fff9;border:1px solid rgba(85,73,64,.12);border-radius:2px;font-size:14px;font-weight:500;color:#554940}.contact-section{padding:140px 60px;background:linear-gradient(180deg,transparent 0%,rgba(85,73,64,.03) 100%);position:relative;z-index:1}.contact-content{max-width:800px;margin:0 auto;text-align:center}.contact-title{font-family:Bebas Neue,sans-serif;font-size:clamp(40px,8vw,80px);font-weight:400;color:#554940;margin-bottom:20px;letter-spacing:.04em}.contact-subtitle{font-size:17px;font-weight:400;color:#73787c;margin-bottom:50px;max-width:500px;margin-left:auto;margin-right:auto;line-height:1.6}.contact-links{display:flex;flex-direction:column;gap:16px;max-width:420px;margin:0 auto}.contact-link{display:flex;justify-content:space-between;align-items:center;padding:20px 28px;background:#ffffff80;border:1px solid rgba(85,73,64,.1);border-radius:4px;text-decoration:none;transition:all .3s ease}.contact-link:hover{background:#fffc;transform:translate(4px)}.contact-link-label{font-size:12px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:#73787c}.contact-link-value{font-size:16px;font-weight:500;color:#554940}.footer{padding:40px 60px;border-top:1px solid rgba(85,73,64,.1);position:relative;z-index:1}.footer-content{max-width:1400px;margin:0 auto;display:flex;justify-content:space-between;align-items:center}.footer-left{display:flex;flex-direction:column;gap:4px}.footer-logo{font-family:Bebas Neue,sans-serif;font-size:18px;color:#554940;letter-spacing:.05em}.footer-tagline{font-size:13px;color:#73787c}.footer-copyright{font-size:14px;color:#73787c}@keyframes scrollBounce{0%,to{transform:translateY(0);opacity:.4}50%{transform:translateY(10px);opacity:.2}}@keyframes pulse{0%,to{opacity:.15;transform:scale(1)}50%{opacity:.3;transform:scale(1.05)}}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:fadeIn .8s ease forwards}.fade-in-delay-1{animation-delay:.2s;opacity:0}.fade-in-delay-2{animation-delay:.4s;opacity:0}.fade-in-delay-3{animation-delay:.6s;opacity:0}@media (max-width: 1024px){.project-card{grid-template-columns:1fr}.project-visual{min-height:280px;order:-1}}@media (max-width: 768px){.nav-content{padding:0 24px}.nav-links{display:none}.mobile-menu-btn{display:flex}.mobile-nav{padding:20px 24px}.hero{padding:100px 24px 60px}.philosophy-section,.focus-section,.projects-section,.research-section,.skills-section{padding:60px 24px}.hero-title,.section-title{font-size:clamp(32px,8vw,48px)}.section-subtitle{font-size:15px;margin-bottom:40px}.focus-grid{grid-template-columns:1fr;gap:16px}.focus-card{padding:28px 24px}.focus-title{font-size:22px}.focus-description{font-size:14px}.projects-container{gap:20px}.project-card{min-height:auto}.project-content{padding:28px 24px}.project-subtitle{font-size:10px}.project-title{font-size:32px}.project-role{font-size:12px}.project-description{font-size:14px;margin-bottom:20px}.project-tags{gap:8px}.tag{padding:6px 12px;font-size:10px}.research-card{padding:24px 20px}.research-header{flex-direction:column;gap:8px}.research-role{font-size:20px}.research-lab{font-size:13px}.research-period{font-size:11px}.highlight-item{font-size:14px;padding-left:16px}.skills-grid{grid-template-columns:1fr;gap:32px}.skill-tag{padding:8px 14px;font-size:13px}.contact-section{padding:80px 24px}.contact-title{font-size:clamp(36px,10vw,56px)}.contact-subtitle{font-size:15px}.contact-links{max-width:100%}.contact-link{padding:16px 20px;flex-direction:column;align-items:flex-start;gap:4px}.contact-link-value{font-size:14px;word-break:break-all}.footer{padding:32px 24px}.footer-content{flex-direction:column;gap:16px;text-align:center}.footer-left{align-items:center}}@media (max-width: 480px){.hero-title{font-size:36px}.section-title,.project-title{font-size:28px}.contact-title{font-size:32px}.focus-card,.project-content,.research-card{padding:24px 20px}.play-button-overlay{width:60px;height:60px}.play-button-overlay:after{border-left-width:18px;border-top-width:10px;border-bottom-width:10px}}