.navigation{position:sticky;top:0;background:#12121acc;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--color-border);z-index:1000;transition:all var(--transition-base)}.navigation.scrolled{background:#0a0a0ff2;border-bottom-color:var(--color-border-light);box-shadow:var(--shadow-md)}.nav-container{max-width:1400px;margin:0 auto;padding:0;position:relative}.nav-desktop{display:none;align-items:center;justify-content:space-between;height:64px;padding:0 var(--spacing-lg)}.nav-links-container{display:flex;align-items:center;gap:var(--spacing-xs);flex:1}.nav-link{background:none;border:none;color:var(--color-text-secondary);font-size:.9rem;font-weight:500;cursor:pointer;padding:var(--spacing-xs) var(--spacing-sm);position:relative;transition:all var(--transition-fast);white-space:nowrap;border-radius:var(--radius-md);letter-spacing:.01em}.nav-link:hover{color:var(--color-text-primary);background:var(--color-bg-hover)}.nav-link.active{color:var(--color-accent-sky);background:#4facfe1a;font-weight:600}.nav-link:after{content:"";position:absolute;bottom:2px;left:50%;width:0;height:2px;background:var(--color-accent-sky);transition:all var(--transition-base);border-radius:var(--radius-full);transform:translate(-50%)}.nav-link:hover:after{width:50%}.nav-link.active:after{width:60%;height:3px}.nav-brand{display:flex;align-items:center;justify-content:flex-end;min-width:80px;margin-left:var(--spacing-md)}.nav-logo{font-size:1.4rem;font-weight:800;background:var(--color-accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:2px;-webkit-user-select:none;user-select:none}.nav-mobile-header{display:flex;align-items:center;justify-content:space-between;height:56px;padding:0 var(--spacing-md);position:relative;z-index:1001}.nav-logo-mobile{font-size:1.4rem;font-weight:800;background:var(--color-accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:2px}.menu-toggle{background:var(--color-bg-card);border:1px solid var(--color-border);font-size:1.3rem;color:var(--color-text-secondary);cursor:pointer;padding:var(--spacing-xs);width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-md);transition:all var(--transition-fast)}.menu-toggle:hover{background:var(--color-bg-hover);color:var(--color-accent-sky);border-color:var(--color-accent-blue)}.nav-mobile-menu{position:fixed;inset:0;width:100vw;height:100vh;height:100dvh;background:var(--color-bg-primary);z-index:9999;transform:translate(-100%);transition:transform var(--transition-base);display:flex;flex-direction:column;overflow:hidden;pointer-events:none}.nav-mobile-menu.open{transform:translate(0);pointer-events:all}.mobile-menu-header{display:flex;align-items:center;justify-content:space-between;height:56px;padding:0 var(--spacing-md);background:var(--color-bg-secondary);border-bottom:1px solid var(--color-border);flex-shrink:0;z-index:1}.mobile-menu-logo{font-size:1.4rem;font-weight:800;background:var(--color-accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:2px}.menu-close{background:none;border:none;font-size:1.3rem;color:var(--color-text-secondary);cursor:pointer;padding:var(--spacing-xs);width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-md);transition:all var(--transition-fast)}.menu-close:hover{background:var(--color-bg-hover);color:var(--color-text-primary)}.mobile-menu-links{flex:1;display:flex;flex-direction:column;align-items:stretch;padding:var(--spacing-md);gap:4px;overflow-y:auto;-webkit-overflow-scrolling:touch;overscroll-behavior:contain;min-height:0}.mobile-nav-link{background:var(--color-bg-card);border:1px solid var(--color-border);color:var(--color-text-primary);font-size:1rem;font-weight:500;cursor:pointer;padding:var(--spacing-md) var(--spacing-lg);text-align:left;width:100%;border-radius:var(--radius-md);transition:all var(--transition-fast);flex-shrink:0;display:flex;align-items:center;position:relative}.mobile-nav-link:after{content:"›";position:absolute;right:var(--spacing-md);font-size:1.5rem;color:var(--color-text-tertiary);transition:all var(--transition-fast)}.mobile-nav-link:hover{background:var(--color-bg-hover);border-color:var(--color-accent-blue);transform:translate(4px)}.mobile-nav-link:hover:after{color:var(--color-accent-sky);transform:translate(4px)}.mobile-nav-link.active{background:#4facfe1a;border-color:var(--color-accent-blue);color:var(--color-accent-sky);font-weight:600}.mobile-nav-link.active:after{color:var(--color-accent-sky)}.mobile-menu-footer{padding:var(--spacing-md);text-align:center;color:var(--color-text-tertiary);font-size:.85rem;flex-shrink:0;border-top:1px solid var(--color-border);background:var(--color-bg-secondary);z-index:1}.mobile-menu-links::-webkit-scrollbar{width:4px}.mobile-menu-links::-webkit-scrollbar-track{background:transparent}.mobile-menu-links::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:var(--radius-full)}.mobile-menu-links::-webkit-scrollbar-thumb:hover{background:var(--color-accent-blue)}@media(min-width:768px){.nav-mobile-header,.nav-mobile-menu{display:none}.nav-desktop{display:flex}}@media(min-width:1024px){.nav-desktop{padding:0 var(--spacing-xl);height:64px}.nav-link{font-size:.95rem;padding:var(--spacing-xs) var(--spacing-md)}}body.menu-open{overflow:hidden;position:fixed;width:100%;height:100%}.navigation{position:sticky;top:0;z-index:1000!important}.nav-mobile-menu{position:fixed;z-index:9999!important}.nav-mobile-menu.open{z-index:9999!important}body.menu-open .section-detail-app,body.menu-open .portfolio-app,body.menu-open .section-detail-container,body.menu-open .portfolio-container{z-index:auto!important}.intro-section{composes:section-common;position:relative;overflow:hidden;padding:var(--spacing-2xl) 0;background:var(--color-bg-primary)}.intro-section:before{content:"";position:absolute;top:-30%;right:-10%;width:50%;height:160%;background:radial-gradient(circle,rgba(79,172,254,.05) 0%,transparent 70%);border-radius:50%;z-index:0;pointer-events:none}.intro-section:after{content:"";position:absolute;bottom:-20%;left:-5%;width:40%;height:140%;background:radial-gradient(circle,rgba(43,159,212,.03) 0%,transparent 70%);border-radius:50%;z-index:0;pointer-events:none}.intro-content{max-width:800px;margin:0 auto;position:relative;z-index:1}.intro-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:var(--spacing-xl);flex-wrap:wrap;gap:var(--spacing-md)}.intro-name{font-size:3.2rem;font-weight:800;background:var(--color-accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin:0;line-height:1.15;flex:1;min-width:300px;letter-spacing:-.03em;filter:drop-shadow(0 0 20px rgba(79,172,254,.3))}.intro-header .view-detail-button{margin-top:var(--spacing-xs);padding:var(--spacing-sm) var(--spacing-lg);background:var(--color-accent-gradient);color:#fff;border:none;border-radius:var(--radius-md);font-size:.9rem;font-weight:500;cursor:pointer;transition:all var(--transition-base);white-space:nowrap}.intro-header .view-detail-button:hover{transform:translateY(-2px);box-shadow:0 4px 16px #2b9fd466}.intro-header .view-detail-button:active{transform:translateY(0)}.intro-bio{background:var(--color-bg-card);border-radius:var(--radius-xl);padding:var(--spacing-xl);border:1px solid var(--color-border);position:relative;transition:all var(--transition-base)}.intro-bio:hover{border-color:var(--color-border-light);box-shadow:var(--shadow-lg)}.intro-bio:before{content:"";position:absolute;top:-10px;left:24px;width:20px;height:20px;background:var(--color-bg-card);border-left:1px solid var(--color-border);border-top:1px solid var(--color-border);transform:rotate(45deg);transition:all var(--transition-base)}.intro-bio:hover:before{border-color:var(--color-border-light)}.intro-bio p{font-size:1.1rem;line-height:1.8;color:var(--color-text-secondary);margin-bottom:var(--spacing-md)}.intro-bio p:last-child{margin-bottom:0}.read-more-button{display:inline-flex;align-items:center;gap:var(--spacing-xs);background:none;border:none;color:var(--color-accent-sky);cursor:pointer;font-weight:500;margin-top:var(--spacing-md);padding:var(--spacing-xs) 0;transition:all var(--transition-fast);font-size:.95rem;position:relative}.read-more-button:after{content:"";position:absolute;bottom:0;left:0;width:0;height:1px;background:var(--color-accent-sky);transition:width var(--transition-base)}.read-more-button:hover{color:var(--color-accent-light);gap:var(--spacing-sm)}.read-more-button:hover:after{width:100%}@media(max-width:768px){.intro-section{padding:var(--spacing-xl) 0}.intro-name{font-size:2.2rem;min-width:100%}.intro-header{flex-direction:column;align-items:flex-start}.intro-header .view-detail-button{align-self:flex-start}.intro-bio{padding:var(--spacing-lg);border-radius:var(--radius-lg)}.intro-bio p{font-size:1rem}.intro-bio:before{left:20px;width:16px;height:16px;top:-8px}}@media(min-width:1024px){.intro-name{font-size:3.8rem}.intro-bio p{font-size:1.15rem}}.intro-content{animation:introFadeIn .8s cubic-bezier(.4,0,.2,1) forwards}@keyframes introFadeIn{0%{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}.specializations-section{composes:section-common}.specializations-grid{display:flex;flex-direction:column;gap:var(--spacing-md)}.specialization-preview-card{composes:preview-card;position:relative;overflow:hidden;display:flex;flex-direction:column;background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--spacing-lg);transition:all var(--transition-base)}.specialization-preview-card:before{content:"";position:absolute;top:0;left:50%;width:80%;height:2px;background:var(--color-accent-gradient);transform:translate(-50%) scaleX(0);transform-origin:center;transition:transform var(--transition-base);border-radius:0 0 var(--radius-full) var(--radius-full)}.specialization-preview-card:hover:before{transform:translate(-50%) scaleX(1)}.specialization-preview-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:var(--color-accent-blue);background:var(--color-bg-hover)}.specialization-preview-header{margin-bottom:var(--spacing-md);display:flex;justify-content:space-between;align-items:flex-start;flex-wrap:wrap;gap:var(--spacing-sm);padding-bottom:var(--spacing-md);border-bottom:1px solid var(--color-border)}.specialization-preview-title{font-size:1.3rem;color:var(--color-text-primary);margin:0;font-weight:600;flex:1;min-width:200px;transition:color var(--transition-fast)}.specialization-preview-card:hover .specialization-preview-title{color:var(--color-accent-sky)}.specialization-preview-experience{font-size:.8rem;color:var(--color-accent-sky);font-weight:500;white-space:nowrap;background:#4facfe1a;padding:2px var(--spacing-sm);border-radius:var(--radius-full);border:1px solid rgba(79,172,254,.2)}.specialization-preview-detail{margin-bottom:var(--spacing-md)}.specialization-preview-detail:last-child{margin-bottom:0}.specialization-preview-detail h4{font-size:.85rem;margin:0 0 var(--spacing-xs) 0;color:var(--color-accent-sky);font-weight:600;text-transform:uppercase;letter-spacing:.05em}.skills-preview{display:flex;flex-wrap:wrap;gap:var(--spacing-xs)}.skill-preview{background:#4facfe1a;color:var(--color-accent-sky);padding:var(--spacing-xs) var(--spacing-sm);border-radius:var(--radius-full);font-size:.8rem;font-weight:500;border:1px solid rgba(79,172,254,.2);transition:all var(--transition-fast)}.skill-preview:hover{background:#4facfe33;transform:translateY(-1px)}.more-skills{background:var(--color-bg-hover);color:var(--color-text-tertiary);padding:var(--spacing-xs) var(--spacing-sm);border-radius:var(--radius-full);font-size:.8rem;font-weight:500;border:1px solid var(--color-border)}.specialization-preview-detail p{font-size:.9rem;line-height:1.6;color:var(--color-text-secondary);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;text-overflow:ellipsis}.card-action-button{composes:view-detail-button;align-self:flex-start;margin-top:auto;padding:var(--spacing-sm) var(--spacing-lg);background:var(--color-accent-gradient);color:#fff;border:none;border-radius:var(--radius-md);font-size:.85rem;font-weight:500;cursor:pointer;transition:all var(--transition-base);display:inline-flex;align-items:center;gap:var(--spacing-xs)}.card-action-button:hover{transform:translateY(-2px);box-shadow:0 4px 12px #2b9fd466;color:#fff}.card-action-button:active{transform:translateY(0)}.other-specializations{margin-bottom:var(--spacing-lg);padding:var(--spacing-lg);background:var(--color-bg-secondary);border-radius:var(--radius-lg);border:1px solid var(--color-border)}.other-specializations h4{font-size:1.1rem;color:var(--color-text-primary);margin:0 0 var(--spacing-md) 0;font-weight:600}.other-specs-list{display:grid;grid-template-columns:1fr;gap:var(--spacing-sm)}.other-spec-item{display:flex;justify-content:space-between;align-items:center;padding:var(--spacing-sm) var(--spacing-md);background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-md);transition:all var(--transition-base)}.other-spec-item:hover{border-color:var(--color-accent-blue);transform:translate(4px);background:var(--color-bg-hover)}.other-spec-name{font-weight:500;color:var(--color-text-primary);font-size:.9rem}.other-spec-years{font-size:.75rem;color:var(--color-accent-sky);background:#4facfe1a;padding:2px var(--spacing-sm);border-radius:var(--radius-full);font-weight:500;border:1px solid rgba(79,172,254,.2)}@media(min-width:768px){.specializations-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:var(--spacing-md)}.other-specs-list{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}}@media(min-width:1024px){.specializations-grid{grid-template-columns:repeat(2,1fr)}}.specialization-preview-card{animation:fadeInSpec .5s ease forwards;opacity:0;animation-delay:calc(var(--item-index, 0) * .08s)}@keyframes fadeInSpec{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}.skills-section{composes:section-common}.skills-category{margin-bottom:var(--spacing-xl)}.skills-category:last-child{margin-bottom:0}.category-title{font-size:1.3rem;color:var(--color-text-primary);margin:0 0 var(--spacing-lg) 0;padding-bottom:var(--spacing-sm);border-bottom:1px solid var(--color-border);position:relative;font-weight:600}.category-title:after{content:"";position:absolute;bottom:-1px;left:0;width:40px;height:2px;background:var(--color-accent-gradient);border-radius:var(--radius-full)}.skills-grid{display:grid;grid-template-columns:1fr;gap:var(--spacing-md)}.skill-preview-card{composes:preview-card;display:flex;flex-direction:column;padding:var(--spacing-md);position:relative;background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);overflow:hidden}.skill-preview-card:before{content:"";position:absolute;top:0;left:0;width:100%;height:2px;background:var(--color-accent-gradient);border-radius:var(--radius-full) var(--radius-full) 0 0;opacity:0;transition:opacity var(--transition-base)}.skill-preview-card:hover:before{opacity:1}.skill-preview-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:var(--color-accent-blue);background:var(--color-bg-hover)}.skill-preview-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:var(--spacing-md)}.skill-preview-name{font-size:1rem;color:var(--color-text-primary);margin:0;font-weight:600;transition:color var(--transition-fast)}.skill-preview-card:hover .skill-preview-name{color:var(--color-accent-sky)}.skill-preview-experience{font-size:.75rem;color:var(--color-accent-sky);background:#4facfe1a;padding:2px var(--spacing-sm);border-radius:var(--radius-full);font-weight:500;white-space:nowrap;border:1px solid rgba(79,172,254,.2)}.skill-preview-progress{display:flex;flex-direction:column;gap:var(--spacing-xs);margin-bottom:var(--spacing-sm)}.skill-preview-progress-bar-container{width:100%;height:5px;background:var(--color-bg-primary);border-radius:var(--radius-full);overflow:hidden;border:1px solid var(--color-border)}.skill-preview-progress-bar{height:100%;background:var(--color-accent-gradient);border-radius:var(--radius-full);transition:width 1.2s cubic-bezier(.4,0,.2,1);box-shadow:0 0 6px #4facfe4d}.skill-preview-progress-text{display:flex;justify-content:space-between;font-size:.8rem;color:var(--color-text-tertiary)}.skill-preview-progress-text span:last-child{color:var(--color-accent-sky);font-weight:600}.skill-preview-certificates{margin-top:var(--spacing-sm);padding-top:var(--spacing-sm);border-top:1px solid var(--color-border);font-size:.75rem;color:var(--color-text-tertiary)}.skill-preview-certificates small{display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;text-overflow:ellipsis;line-height:1.4}.category-preview{margin-top:var(--spacing-xl);padding:var(--spacing-lg);background:var(--color-bg-secondary);border-radius:var(--radius-lg);border:1px solid var(--color-border)}.category-preview .category-title{border-bottom:none;margin-bottom:var(--spacing-md)}.category-preview .category-title:after{display:none}.categories-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:var(--spacing-sm)}.category-preview-item{composes:preview-card;display:flex;justify-content:space-between;align-items:center;padding:var(--spacing-md);background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-md);transition:all var(--transition-base)}.category-preview-item:hover{border-color:var(--color-accent-blue);transform:translateY(-2px);background:var(--color-bg-hover)}.category-name{font-weight:500;color:var(--color-text-primary);font-size:.9rem}.category-count{font-size:.75rem;color:var(--color-accent-sky);background:#4facfe1a;padding:2px var(--spacing-sm);border-radius:var(--radius-full);font-weight:600;border:1px solid rgba(79,172,254,.2)}@media(min-width:640px){.skills-grid{grid-template-columns:repeat(2,1fr)}}@media(min-width:768px){.skills-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}}@media(min-width:1024px){.skills-grid{grid-template-columns:repeat(4,1fr)}}.skill-preview-card{animation:fadeInSkill .5s ease forwards;opacity:0;animation-delay:calc(var(--item-index, 0) * .06s)}@keyframes fadeInSkill{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.certifications-section{composes:section-common}.certifications-list{display:flex;flex-direction:column;gap:var(--spacing-md)}.certification-preview-card{composes:preview-card;position:relative;overflow:hidden;background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--spacing-lg);transition:all var(--transition-base);border-left:3px solid var(--color-border)}.certification-preview-card:hover{border-left-color:var(--color-accent-sky);transform:translate(4px);background:var(--color-bg-hover);box-shadow:var(--shadow-lg)}.certification-preview-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:var(--spacing-md);flex-wrap:wrap;gap:var(--spacing-sm);padding-bottom:var(--spacing-md);border-bottom:1px solid var(--color-border)}.certification-preview-name{font-size:1.2rem;color:var(--color-text-primary);margin:0;flex:1;min-width:200px;font-weight:600;transition:color var(--transition-fast)}.certification-preview-card:hover .certification-preview-name{color:var(--color-accent-sky)}.certification-preview-dates{display:flex;flex-direction:column;align-items:flex-end;gap:var(--spacing-xs);text-align:right}.date-earned,.date-started{font-size:.8rem;color:var(--color-text-tertiary);white-space:nowrap;background:#4facfe0d;padding:2px var(--spacing-sm);border-radius:var(--radius-full);border:1px solid var(--color-border)}.date-earned{font-weight:600;color:var(--color-accent-sky);background:#4facfe1a;border-color:#4facfe33}.certification-preview-content{display:flex;flex-direction:column;gap:var(--spacing-md)}.certification-preview-detail{display:flex;flex-direction:column;gap:var(--spacing-xs)}.certification-preview-detail h4{font-size:.85rem;color:var(--color-accent-sky);margin:0;font-weight:600;text-transform:uppercase;letter-spacing:.05em}.certification-preview-detail p{font-size:.9rem;line-height:1.6;color:var(--color-text-secondary);margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;text-overflow:ellipsis}.certification-preview-credential{font-size:.8rem;color:var(--color-text-tertiary);margin-top:var(--spacing-sm);padding-top:var(--spacing-sm);border-top:1px solid var(--color-border)}.certification-preview-link{composes:view-detail-button;align-self:flex-start;display:inline-flex;align-items:center;gap:var(--spacing-xs);padding:var(--spacing-sm) var(--spacing-lg);background:var(--color-accent-gradient);color:#fff;border:none;border-radius:var(--radius-md);font-size:.85rem;font-weight:500;cursor:pointer;transition:all var(--transition-base);text-decoration:none;margin-top:var(--spacing-sm)}.certification-preview-link:hover{transform:translateY(-2px);box-shadow:0 4px 12px #2b9fd466;color:#fff}.certification-preview-link:active{transform:translateY(0)}@media(max-width:768px){.certification-preview-header{flex-direction:column;align-items:flex-start}.certification-preview-dates{align-items:flex-start;text-align:left;flex-direction:row;flex-wrap:wrap}.certification-preview-name{font-size:1.1rem}}@media(min-width:768px){.certifications-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:var(--spacing-md)}}.certification-preview-card{animation:slideInRight .5s ease forwards;opacity:0;animation-delay:calc(var(--item-index, 0) * .08s)}@keyframes slideInRight{0%{opacity:0;transform:translate(-16px)}to{opacity:1;transform:translate(0)}}.interests-section{composes:section-common}.interests-grid{display:grid;grid-template-columns:1fr;gap:var(--spacing-md)}.interest-preview-card{composes:preview-card;position:relative;padding:var(--spacing-lg);overflow:hidden;background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);transition:all var(--transition-base)}.interest-preview-card:before{content:"";position:absolute;top:0;left:50%;width:80%;height:2px;background:var(--color-accent-gradient);transform:translate(-50%) scaleX(0);transform-origin:center;transition:transform var(--transition-base);border-radius:0 0 var(--radius-full) var(--radius-full)}.interest-preview-card:hover:before{transform:translate(-50%) scaleX(1)}.interest-preview-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:var(--color-accent-blue);background:var(--color-bg-hover)}.interest-preview-name{font-size:1.15rem;color:var(--color-text-primary);margin:0 0 var(--spacing-sm) 0;font-weight:600;transition:color var(--transition-fast)}.interest-preview-card:hover .interest-preview-name{color:var(--color-accent-sky)}.interest-preview-meta{margin-bottom:var(--spacing-md)}.interest-preview-since{display:inline-flex;align-items:center;gap:var(--spacing-xs);font-size:.8rem;color:var(--color-accent-sky);background:#4facfe1a;padding:var(--spacing-xs) var(--spacing-sm);border-radius:var(--radius-full);font-weight:500;border:1px solid rgba(79,172,254,.2)}.interest-preview-description{margin:0;line-height:1.6;color:var(--color-text-secondary);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;text-overflow:ellipsis;font-size:.9rem}@media(min-width:640px){.interests-grid{grid-template-columns:repeat(2,1fr)}}@media(min-width:1024px){.interests-grid{grid-template-columns:repeat(3,1fr)}}.interest-preview-card{animation:fadeInStagger .5s ease forwards;opacity:0;animation-delay:calc(var(--item-index, 0) * .06s)}@keyframes fadeInStagger{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.learning-section{composes:section-common}.learning-list{display:flex;flex-direction:column;gap:var(--spacing-md)}.learning-preview-card{composes:preview-card;position:relative;padding:var(--spacing-lg);overflow:hidden;background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);transition:all var(--transition-base)}.learning-preview-card:before{content:"";position:absolute;top:var(--spacing-lg);right:0;bottom:var(--spacing-lg);width:3px;background:var(--color-accent-gradient);border-radius:var(--radius-full) 0 0 var(--radius-full);transition:all var(--transition-base)}.learning-preview-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:var(--color-accent-blue);background:var(--color-bg-hover)}.learning-preview-card:hover:before{width:4px;box-shadow:-4px 0 12px #4facfe33}.learning-preview-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:var(--spacing-md);flex-wrap:wrap;gap:var(--spacing-md);padding-right:var(--spacing-md)}.learning-preview-name{font-size:1.15rem;color:var(--color-text-primary);margin:0;flex:1;min-width:200px;font-weight:600;transition:color var(--transition-fast)}.learning-preview-card:hover .learning-preview-name{color:var(--color-accent-sky)}.learning-preview-progress{display:flex;flex-direction:column;align-items:flex-end;gap:var(--spacing-xs);min-width:100px}.progress-value{font-size:1.4rem;font-weight:700;background:var(--color-accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.progress-bar{width:100px;height:6px;background:var(--color-bg-primary);border-radius:var(--radius-full);overflow:hidden;border:1px solid var(--color-border)}.progress-fill{height:100%;background:var(--color-accent-gradient);border-radius:var(--radius-full);transition:width 1.2s cubic-bezier(.4,0,.2,1);box-shadow:0 0 8px #4facfe4d}.learning-preview-details{display:flex;flex-direction:column;gap:var(--spacing-md);padding-right:var(--spacing-md)}.learning-preview-dates{display:flex;flex-wrap:wrap;gap:var(--spacing-md);font-size:.85rem;color:var(--color-text-tertiary)}.date-item{display:flex;align-items:center;gap:var(--spacing-xs);background:#4facfe0d;padding:var(--spacing-xs) var(--spacing-sm);border-radius:var(--radius-full);border:1px solid var(--color-border);font-size:.8rem}.date-item strong{color:var(--color-text-primary);font-weight:600}.learning-preview-why{display:flex;flex-direction:column;gap:var(--spacing-xs)}.learning-preview-why h4{font-size:.85rem;color:var(--color-accent-sky);margin:0;font-weight:600;text-transform:uppercase;letter-spacing:.05em}.learning-preview-why p{font-size:.9rem;line-height:1.6;color:var(--color-text-secondary);margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;text-overflow:ellipsis}.learning-preview-card:after{content:attr(data-status);position:absolute;top:var(--spacing-md);right:var(--spacing-md);padding:var(--spacing-xs) var(--spacing-sm);background:#4facfe1a;color:var(--color-accent-sky);border-radius:var(--radius-full);font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;border:1px solid rgba(79,172,254,.2)}@media(max-width:768px){.learning-preview-header{flex-direction:column;align-items:flex-start}.learning-preview-progress{align-items:flex-start;width:100%}.progress-bar{width:100%}.learning-preview-dates{flex-direction:column;gap:var(--spacing-xs)}.learning-preview-card:after{top:var(--spacing-sm);right:var(--spacing-sm)}}@media(min-width:768px){.learning-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:var(--spacing-md)}}.learning-preview-card{animation:slideInLeft .5s ease forwards;opacity:0;animation-delay:calc(var(--item-index, 0) * .08s)}@keyframes slideInLeft{0%{opacity:0;transform:translate(-16px)}to{opacity:1;transform:translate(0)}}.blog-section{composes:section-common}.blog-list{display:flex;flex-direction:column;gap:var(--spacing-md)}.blog-preview-card{composes:preview-card;display:flex;flex-direction:column;height:100%;position:relative;overflow:hidden;background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--spacing-lg);transition:all var(--transition-base)}.blog-preview-card:before{content:"";position:absolute;top:var(--spacing-lg);left:0;width:3px;height:calc(100% - var(--spacing-xl) * 2);background:var(--color-accent-gradient);border-radius:0 var(--radius-full) var(--radius-full) 0;transition:all var(--transition-base)}.blog-preview-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:var(--color-accent-blue);background:var(--color-bg-hover)}.blog-preview-card:hover:before{width:4px;box-shadow:0 0 12px #4facfe4d}.blog-preview-content{padding-left:var(--spacing-md)}.blog-preview-title{font-size:1.2rem;margin-bottom:var(--spacing-sm);color:var(--color-text-primary);line-height:1.4;font-weight:600;transition:color var(--transition-fast)}.blog-preview-card:hover .blog-preview-title{color:var(--color-accent-sky)}.blog-preview-meta{display:flex;gap:var(--spacing-md);margin-bottom:var(--spacing-md);font-size:.85rem;color:var(--color-text-tertiary);flex-wrap:wrap}.blog-preview-date,.blog-preview-read-time{display:flex;align-items:center;gap:.35rem;background:#4facfe0d;padding:var(--spacing-xs) var(--spacing-sm);border-radius:var(--radius-full);border:1px solid var(--color-border);font-size:.8rem}.blog-preview-summary{margin-bottom:var(--spacing-lg);line-height:1.7;color:var(--color-text-secondary);flex:1;font-size:.95rem}.blog-preview-link{composes:view-detail-button;align-self:flex-start;display:inline-flex;align-items:center;gap:var(--spacing-xs);padding:var(--spacing-sm) var(--spacing-lg);background:var(--color-accent-gradient);color:#fff;border:none;border-radius:var(--radius-md);font-size:.9rem;font-weight:500;cursor:pointer;transition:all var(--transition-base);text-decoration:none;width:auto}.blog-preview-link:hover{transform:translateY(-2px);box-shadow:0 4px 12px #2b9fd466;color:#fff}.blog-preview-link:active{transform:translateY(0)}@media(max-width:768px){.blog-preview-card:before{width:2px;top:var(--spacing-md);height:calc(100% - var(--spacing-lg) * 2)}.blog-preview-content{padding-left:var(--spacing-sm)}.blog-preview-meta{gap:var(--spacing-sm)}.blog-preview-title{font-size:1.1rem}}@media(min-width:768px){.blog-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:var(--spacing-md)}}.blog-preview-card{animation:slideInUp .5s ease forwards;opacity:0;animation-delay:calc(var(--item-index, 0) * .08s)}@keyframes slideInUp{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}.traits-section{composes:section-common}.traits-grid{display:grid;grid-template-columns:1fr;gap:var(--spacing-md)}.trait-preview-card{composes:preview-card;background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--spacing-lg);transition:all var(--transition-base)}.trait-preview-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:var(--color-accent-blue);background:var(--color-bg-hover)}.trait-preview-header{display:flex;align-items:center;gap:var(--spacing-md);margin-bottom:var(--spacing-md);padding-bottom:var(--spacing-md);border-bottom:1px solid var(--color-border)}.trait-preview-icon{font-size:1.5rem;width:44px;height:44px;display:flex;align-items:center;justify-content:center;background:#4facfe1a;border-radius:var(--radius-md);border:1px solid rgba(79,172,254,.2);flex-shrink:0}.trait-preview-name{font-size:1.1rem;margin:0;color:var(--color-text-primary);font-weight:600;transition:color var(--transition-fast)}.trait-preview-card:hover .trait-preview-name{color:var(--color-accent-sky)}.trait-preview-comment{margin:0;line-height:1.7;color:var(--color-text-secondary);font-size:.9rem}.traits-preview{margin-bottom:var(--spacing-lg)}.traits-preview h4{font-size:1.05rem;margin-bottom:var(--spacing-md);color:var(--color-text-secondary);font-weight:500}.additional-traits{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:var(--spacing-sm);margin-bottom:var(--spacing-md)}.additional-trait{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-md);background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-md);transition:all var(--transition-base);cursor:pointer;font-family:inherit;font-size:inherit;color:inherit;width:100%}.additional-trait:hover{border-color:var(--color-accent-blue);background:var(--color-bg-hover);transform:translate(4px);color:var(--color-accent-sky)}.trait-icon-small{font-size:1rem;flex-shrink:0}.trait-name-small{font-weight:500;color:var(--color-text-primary);font-size:.85rem;text-align:left}.additional-trait:hover .trait-name-small{color:var(--color-accent-sky)}.view-more-button{background:var(--color-bg-card);border:1px solid var(--color-border);color:var(--color-text-secondary);cursor:pointer;font-size:.9rem;font-weight:500;padding:var(--spacing-sm) var(--spacing-xl);border-radius:var(--radius-md);transition:all var(--transition-base);display:inline-flex;align-items:center;gap:var(--spacing-xs)}.truncate-text{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;text-overflow:ellipsis}@media(min-width:640px){.traits-grid{grid-template-columns:repeat(2,1fr)}}@media(min-width:1024px){.traits-grid{grid-template-columns:repeat(3,1fr)}.additional-traits{grid-template-columns:repeat(4,1fr)}}.trait-preview-card{animation:fadeInTrait .5s ease forwards;opacity:0;animation-delay:calc(var(--item-index, 0) * .06s)}@keyframes fadeInTrait{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.projects-section{composes:section-common}.projects-grid{display:flex;flex-direction:column;gap:var(--spacing-md)}.project-preview-card{composes:preview-card;position:relative;overflow:hidden;display:flex;flex-direction:column;background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--spacing-lg);transition:all var(--transition-base)}.project-preview-card.provable{border-top:3px solid var(--color-accent-sky)}.project-preview-card.concept{border-top:3px solid rgba(240,160,64,.5);background:linear-gradient(135deg,rgba(240,160,64,.02),var(--color-bg-card))}.project-preview-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:var(--color-accent-blue);background:var(--color-bg-hover)}.project-preview-card.provable:before{content:"✓ Provable";position:absolute;top:var(--spacing-md);right:var(--spacing-md);padding:var(--spacing-xs) var(--spacing-sm);background:#4facfe26;color:var(--color-accent-sky);border-radius:var(--radius-full);font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;z-index:1;border:1px solid rgba(79,172,254,.3)}.project-preview-card.concept:before{content:"Concept";position:absolute;top:var(--spacing-md);right:var(--spacing-md);padding:var(--spacing-xs) var(--spacing-sm);background:#f0a0401a;color:var(--color-warning);border-radius:var(--radius-full);font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;z-index:1;border:1px solid rgba(240,160,64,.3)}.project-preview-header{margin-bottom:var(--spacing-md);padding-right:80px}.project-preview-name{font-size:1.15rem;color:var(--color-text-primary);margin:0 0 var(--spacing-xs) 0;font-weight:600;transition:color var(--transition-fast)}.project-preview-card:hover .project-preview-name{color:var(--color-accent-sky)}.project-preview-content{display:flex;flex-direction:column;gap:var(--spacing-md);flex:1}.project-preview-purpose,.project-preview-demonstration{display:flex;flex-direction:column;gap:var(--spacing-xs)}.project-preview-purpose h4,.project-preview-demonstration h4{font-size:.85rem;color:var(--color-accent-sky);margin:0;font-weight:600;text-transform:uppercase;letter-spacing:.05em}.project-preview-purpose p,.project-preview-demonstration p{font-size:.9rem;line-height:1.6;color:var(--color-text-secondary);margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;text-overflow:ellipsis}.project-preview-technologies{display:flex;flex-direction:column;gap:var(--spacing-xs)}.project-preview-technologies h4{font-size:.85rem;color:var(--color-accent-sky);margin:0;font-weight:600;text-transform:uppercase;letter-spacing:.05em}.tech-tags{display:flex;flex-wrap:wrap;gap:var(--spacing-xs)}.tech-tag{background:#4facfe1a;color:var(--color-accent-sky);padding:var(--spacing-xs) var(--spacing-sm);border-radius:var(--radius-full);font-size:.8rem;font-weight:500;border:1px solid rgba(79,172,254,.2);transition:all var(--transition-fast)}.tech-tag:hover{background:#4facfe33;transform:translateY(-1px)}.tech-tag.more-tech{background:var(--color-bg-hover);color:var(--color-text-tertiary);border-color:var(--color-border)}.project-preview-links{display:flex;flex-wrap:wrap;gap:var(--spacing-sm);margin-top:auto;padding-top:var(--spacing-md);border-top:1px solid var(--color-border)}.project-link{composes:view-detail-button;display:inline-flex;align-items:center;gap:var(--spacing-xs);padding:var(--spacing-sm) var(--spacing-md);background:var(--color-accent-gradient);color:#fff;border:none;border-radius:var(--radius-md);font-size:.85rem;font-weight:500;cursor:pointer;transition:all var(--transition-base);text-decoration:none}.project-link:hover{transform:translateY(-2px);box-shadow:0 4px 12px #2b9fd466;color:#fff}.project-link.github-link{background:var(--color-bg-tertiary);border:1px solid var(--color-border);color:var(--color-text-primary)}.project-link.github-link:hover{background:var(--color-bg-hover);border-color:var(--color-accent-blue);color:var(--color-accent-sky)}.project-link.demo-link{background:linear-gradient(135deg,#4ecb71,#38a169)}.project-link.demo-link:hover{box-shadow:0 4px 12px #4ecb7166}@media(max-width:768px){.project-preview-header{padding-right:0}.project-preview-card.provable:before,.project-preview-card.concept:before{position:static;display:inline-block;margin-bottom:var(--spacing-sm)}.project-preview-links{flex-direction:column;align-items:stretch}.project-link{justify-content:center;text-align:center}}@media(min-width:768px){.projects-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:var(--spacing-md)}}.project-preview-card{animation:fadeInUp .5s ease forwards;opacity:0;animation-delay:calc(var(--item-index, 0) * .08s)}.section-common{padding:var(--spacing-xl) 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var(--transition-base);display:inline-flex;align-items:center;gap:var(--spacing-xs)}.view-detail-button:hover{background:var(--color-accent-gradient);color:#fff;border-color:transparent;transform:translateY(-2px);box-shadow:0 4px 12px #2b9fd44d}.view-detail-button:active{transform:translateY(0)}.view-more-button{background:var(--color-bg-card);border:1px solid var(--color-border);color:var(--color-text-secondary);font-size:.9rem;font-weight:500;cursor:pointer;padding:var(--spacing-sm) var(--spacing-xl);border-radius:var(--radius-md);transition:all var(--transition-base);display:inline-flex;align-items:center;gap:var(--spacing-xs)}.view-more-button:hover{background:var(--color-bg-hover);color:var(--color-accent-sky);border-color:var(--color-accent-blue);transform:translateY(-1px)}.view-more-button:active{transform:translateY(0)}.section-footer{margin-top:var(--spacing-xl);padding-top:var(--spacing-lg);border-top:1px solid var(--color-border);text-align:center}.preview-card{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--spacing-lg);transition:all var(--transition-base);height:100%}.preview-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:var(--color-accent-blue);background:var(--color-bg-hover)}.card-header{margin-bottom:var(--spacing-md)}.card-title{font-size:1.2rem;color:var(--color-text-primary);margin-bottom:var(--spacing-xs);font-weight:600}.card-subtitle{font-size:.85rem;color:var(--color-text-tertiary)}.card-content{color:var(--color-text-secondary);line-height:1.6}.card-footer{margin-top:var(--spacing-md);padding-top:var(--spacing-md);border-top:1px solid var(--color-border)}.grid-2,.grid-3,.grid-4{display:grid;grid-template-columns:1fr;gap:var(--spacing-md)}@media(min-width:768px){.grid-2,.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}.section-title{font-size:2rem}}@media(min-width:1024px){.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}}.bg-gradient{background:var(--color-accent-gradient)}.bg-accent{background:#4facfe1a}.shadow-hover{transition:box-shadow var(--transition-base)}.shadow-hover:hover{box-shadow:var(--shadow-lg)}@keyframes fadeIn{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}.animate-fadeIn{animation:fadeIn .5s ease forwards}@keyframes slideIn{0%{opacity:0;transform:translate(-12px)}to{opacity:1;transform:translate(0)}}.animate-slideIn{animation:slideIn .5s ease forwards}@media(max-width:450px){.section-common{padding:var(--spacing-lg) 0}.section-title{font-size:1.4rem}.section-title:after{width:36px;height:2px}.section-header{margin-bottom:var(--spacing-lg)}.preview-card{padding:var(--spacing-md)}}.contact-section{composes:section-common}.contact-grid{display:grid;grid-template-columns:1fr;gap:var(--spacing-md)}.contact-preview-card{composes:preview-card;display:flex;flex-direction:column;text-decoration:none;color:inherit;padding:var(--spacing-lg);background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);transition:all var(--transition-base);position:relative;overflow:hidden}.contact-preview-card:hover{border-color:var(--color-accent-blue);transform:translateY(-3px);box-shadow:var(--shadow-lg);background:var(--color-bg-hover)}.contact-preview-card.primary-contact{border-color:var(--color-accent-blue);background:linear-gradient(135deg,#4facfe0d,#2b9fd405)}.contact-preview-card.primary-contact:before{content:"";position:absolute;top:0;right:0;width:0;height:0;border-style:solid;border-width:0 36px 36px 0;border-color:transparent var(--color-accent-sky) transparent 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#2b9fd4;--color-accent-sky: #4facfe;--color-accent-light: #7ec8f8;--color-accent-gradient: linear-gradient(135deg, #2b9fd4 0%, #4facfe 100%);--color-text-primary: #e8e8ed;--color-text-secondary: #9898a8;--color-text-tertiary: #6c6c7e;--color-text-link: #4facfe;--color-border: #2a2a3a;--color-border-light: #3a3a4e;--color-success: #4ecb71;--color-warning: #f0a040;--color-error: #f05050;--font-primary: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", sans-serif;--font-mono: "SF Mono", "Fira Code", "Fira Mono", monospace;--spacing-xs: .375rem;--spacing-sm: .75rem;--spacing-md: 1.25rem;--spacing-lg: 2rem;--spacing-xl: 3rem;--spacing-2xl: 4rem;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 20px;--radius-full: 9999px;--shadow-sm: 0 2px 4px rgba(0, 0, 0, .3);--shadow-md: 0 4px 12px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .5);--shadow-xl: 0 12px 48px rgba(0, 0, 0, .6);--transition-fast: .2s cubic-bezier(.4, 0, .2, 1);--transition-base: .3s 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var(--spacing-xl)}}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--color-bg-primary)}::-webkit-scrollbar-thumb{background:var(--color-bg-hover);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--color-accent-blue)}.message-bubble{background:var(--color-bg-card);border-radius:var(--radius-lg);padding:var(--spacing-md);position:relative;box-shadow:var(--shadow-sm)}.message-bubble:before{content:"";position:absolute;left:-8px;top:20px;width:0;height:0;border-top:8px solid transparent;border-bottom:8px solid transparent;border-right:8px solid var(--color-bg-card)}.text-gradient{background:var(--color-accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.glass-card{background:#1e1e2e99;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid var(--color-border);border-radius:var(--radius-lg)}::selection{background:var(--color-accent-blue);color:var(--color-text-primary)}@media print{body{background:#fff;color:#000}.navigation,.view-detail-button,.view-more-button{display:none}}@media(prefers-contrast:high){:root{--color-accent-blue: #0066cc;--color-accent-sky: #3399ff;--color-bg-primary: #000000;--color-text-primary: #ffffff}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}html.menu-open,body.menu-open{overflow:hidden!important;position:fixed;width:100%;height:100%}body.menu-open{overflow:hidden!important;position:fixed!important;width:100%!important;height:100%!important}body.menu-open .nav-mobile-menu{visibility:visible!important;opacity:1!important;z-index:99999!important}