*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--primary-bg:#0a0a0a;--secondary-bg:#1a1a1a;--tertiary-bg:#2a2a2a;--accent-color:#00d4aa;--accent-hover:#00b894;--text-primary:#fff;--text-secondary:#b0b0b0;--text-muted:gray;--background-color:var(--primary-bg);--background-secondary:var(--secondary-bg);--bg-primary:var(--primary-bg);--bg-secondary:var(--secondary-bg);--bg-tertiary:var(--tertiary-bg);--text-color:var(--text-primary);--border-color:#94ffe729;--surface-elevated:#111d1c;--surface-interactive:#152624;--focus-ring:#7dffe4;--geo-color-1:#6c5ce7;--geo-color-2:#00d4aa;--geo-color-3:#00b8d4;--geo-color-4:#7b68ee;--geo-color-5:#20bf6b;--instagram-color:#e4405f;--linkedin-color:#0077b5;--spotify-color:#1db954;--youtube-color:red;--font-family:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-size-xs:.75rem;--font-size-sm:.875rem;--font-size-base:1rem;--font-size-lg:1.125rem;--font-size-xl:1.25rem;--font-size-2xl:1.5rem;--font-size-3xl:1.875rem;--font-size-4xl:2.25rem;--font-size-5xl:3rem;--spacing-xs:.25rem;--spacing-sm:.5rem;--spacing-md:1rem;--spacing-lg:1.5rem;--spacing-xl:2rem;--spacing-2xl:3rem;--spacing-3xl:4rem;--spacing-4xl:6rem;--border-radius-sm:.25rem;--border-radius-md:.5rem;--border-radius-lg:.75rem;--border-radius-xl:1rem;--border-radius-full:50%;--border-radius:var(--border-radius-lg);--font-weight-medium:500;--font-weight-bold:700;--shadow-sm:0 1px 2px 0 #0000004d;--shadow-md:0 4px 6px -1px #0006;--shadow-lg:0 10px 15px -3px #0006;--shadow-xl:0 20px 25px -5px #0006;--transition-fast:.15s ease-out;--transition-base:.3s ease-out;--transition-slow:.5s ease-out;--transition-spring:cubic-bezier(.22, 1, .36, 1);--transition-gentle:cubic-bezier(.45, .05, .55, .95);--page-transition-duration:.48s;--z-header:1000;--z-dropdown:1100;--z-modal:1200;--z-tooltip:1300;--header-height:76px}html{scroll-behavior:smooth;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;height:100%;font-size:16px}body{font-family:var(--font-family);background:radial-gradient(circle at 86% -12%, #00d4aa24, transparent 31rem), radial-gradient(circle at -8% 112%, #6c5ce71f, transparent 28rem), var(--primary-bg);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100vh;line-height:1.6;overflow-x:hidden}.header{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:var(--z-header);transition:all var(--transition-base);background:#0a0a0af2;border-bottom:1px solid #ffffff1a;position:fixed;top:0;left:0;right:0}.navbar{width:100%;padding:var(--spacing-sm) 0}.nav-container{max-width:1200px;padding:0 var(--spacing-lg);justify-content:space-between;align-items:center;gap:var(--spacing-xl);min-height:60px;margin:0 auto;display:flex;position:relative}.nav-brand{flex-direction:column;flex-shrink:0;justify-content:center;display:flex}.brand-name{font-size:var(--font-size-xl);color:var(--text-primary);margin-bottom:var(--spacing-xs);font-weight:700;line-height:1.2}.brand-subtitle{font-size:var(--font-size-sm);color:var(--accent-color);font-weight:500;line-height:1.2;display:block}.nav-menu{align-items:center;gap:24px;height:44px;margin:0;padding:0;list-style:none;display:flex}.nav-menu li{margin:0;padding:0;list-style:none}.nav-item{vertical-align:top;align-items:center;height:44px;margin:0;padding:0;list-style:none;display:flex;position:relative}.nav-link{color:var(--text-secondary);font-weight:500;font-size:var(--font-size-base);border-radius:var(--border-radius-md);transition:all var(--transition-base);white-space:nowrap;box-sizing:border-box;vertical-align:top;align-items:center;gap:8px;height:44px;margin:0;padding:12px 16px;line-height:1.2;text-decoration:none;display:flex;position:relative;top:0;transform:translateY(0)}.nav-link:hover,.nav-link.active{color:var(--accent-color);background-color:#00d4aa1a}.nav-link.active:after{content:"";background-color:var(--accent-color);border-radius:1px;width:auto;height:2px;position:absolute;bottom:-2px;left:8px;right:8px}.cta-button{background:linear-gradient(135deg, var(--accent-color), var(--accent-hover));color:#06231d;padding:var(--spacing-md) var(--spacing-lg);border-radius:var(--border-radius-lg);font-weight:600;font-size:var(--font-size-sm);align-items:center;gap:var(--spacing-sm);transition:all var(--transition-base);box-shadow:var(--shadow-md);white-space:nowrap;flex-shrink:0;height:44px;text-decoration:none;display:flex}.cta-button:hover{box-shadow:var(--shadow-xl);background:linear-gradient(135deg, var(--accent-hover), #009a7a);transform:translateY(-2px)}.cta-icon{flex-shrink:0;width:20px;height:20px}.nav-mobile-cta{width:100%;height:auto;display:none}.nav-overlay{z-index:998;background:0 0;display:none;position:fixed;inset:0}.nav-overlay.active{display:block}.nav-toggle{cursor:pointer;padding:var(--spacing-sm);gap:var(--spacing-xs);background:0 0;border:none;flex-direction:column;display:none}.hamburger-line{background-color:var(--text-primary);width:25px;height:3px;transition:all var(--transition-base);border-radius:2px}.main-content{margin-top:var(--header-height);position:relative;overflow:hidden}.slider-container{width:100%;height:calc(100dvh - var(--header-height));position:relative;overflow:hidden}.slide{width:100%;height:calc(100dvh - var(--header-height));opacity:0;visibility:hidden;transition:opacity .8s ease-in-out,visibility .8s ease-in-out;position:absolute;top:0;left:0;overflow:hidden auto}.slide.active{opacity:1;visibility:visible;z-index:2}.hero-section{min-height:calc(100dvh - var(--header-height));padding:var(--spacing-3xl) var(--spacing-xl);justify-content:center;align-items:center;display:flex;position:relative;overflow:hidden}.hero-container{align-items:center;gap:var(--spacing-2xl);z-index:2;flex-direction:column;width:100%;max-width:1200px;display:flex;position:relative}.section-content{min-height:calc(100dvh - var(--header-height));padding:var(--spacing-4xl) 0;justify-content:center;align-items:center;display:flex;position:relative}.section-container{max-width:1200px;padding:0 var(--spacing-md);width:100%;margin:0 auto}.section-header .section-title{color:var(--text-color);margin-bottom:var(--spacing-lg);font-size:clamp(2.5rem,5vw,3.5rem);font-weight:700;display:inline-block;position:relative}.section-header .section-title:after{content:"";background:linear-gradient(90deg, var(--accent-color), #00b894);border-radius:2px;width:80px;height:4px;position:absolute;bottom:-10px;left:50%;transform:translate(-50%)}.section-header .section-description{color:var(--text-secondary);max-width:600px;margin:0 auto;font-size:1.1rem;line-height:1.6}.work-content{max-width:1000px;margin:0 auto}.work-grid{gap:var(--spacing-xl);margin-top:var(--spacing-3xl);grid-template-columns:repeat(auto-fit,minmax(280px,1fr));display:grid}.work-card{background:var(--background-secondary);border:1px solid var(--border-color);padding:var(--spacing-xl);text-align:center;border-radius:16px;transition:all .3s;position:relative;overflow:hidden}.work-card:before{content:"";background:linear-gradient(90deg, var(--accent-color), #00b894);height:4px;transition:transform .3s;position:absolute;top:0;left:0;right:0;transform:scaleX(0)}.work-card:hover{border-color:var(--accent-color);transform:translateY(-8px);box-shadow:0 12px 40px #00000026}.work-card:hover:before{transform:scaleX(1)}.work-card h3{color:var(--text-color);margin-bottom:var(--spacing-md);font-size:1.4rem;font-weight:600}.work-card p{color:var(--text-secondary);line-height:1.6}.podcast-content{max-width:900px;margin:0 auto}.podcast-hero{text-align:center;margin-bottom:var(--spacing-4xl);padding:var(--spacing-3xl);background:var(--background-secondary);border:1px solid var(--border-color);border-radius:20px}.podcast-hero h3{color:var(--accent-color);margin-bottom:var(--spacing-lg);font-size:2.2rem;font-weight:700}.podcast-hero p{color:var(--text-secondary);font-size:1.1rem;line-height:1.7}.podcast-links{gap:var(--spacing-xl);grid-template-columns:repeat(auto-fit,minmax(250px,1fr));display:grid}.podcast-card{background:var(--background-secondary);border:1px solid var(--border-color);padding:var(--spacing-lg);text-align:center;border-radius:12px;transition:all .3s}.podcast-card:hover{border-color:var(--accent-color);transform:translateY(-4px);box-shadow:0 8px 32px #0000001f}.podcast-card h4{color:var(--text-color);margin-bottom:var(--spacing-sm);font-size:1.2rem;font-weight:600}.podcast-card p{color:var(--text-secondary);line-height:1.6}.blog-content{max-width:800px;margin:0 auto}.blog-grid{gap:var(--spacing-xl);margin-top:var(--spacing-3xl);grid-template-columns:repeat(auto-fit,minmax(300px,1fr));display:grid}.blog-card{background:var(--background-secondary);border:1px solid var(--border-color);padding:var(--spacing-xl);text-align:center;border-radius:16px;transition:all .3s;position:relative}.blog-card:before{content:"";background:linear-gradient(90deg,#74b9ff,#00b894);height:4px;transition:transform .3s;position:absolute;top:0;left:0;right:0;transform:scaleX(0)}.blog-card:hover{border-color:#74b9ff;transform:translateY(-8px);box-shadow:0 12px 40px #00000026}.blog-card:hover:before{transform:scaleX(1)}.blog-card h3{color:var(--text-color);margin-bottom:var(--spacing-md);font-size:1.4rem;font-weight:600}.blog-card p{color:var(--text-secondary);line-height:1.6}.contact-content{max-width:900px;margin:0 auto}.contact-grid{gap:var(--spacing-xl);margin-top:var(--spacing-3xl);grid-template-columns:repeat(auto-fit,minmax(280px,1fr));display:grid}.contact-card{background:var(--background-secondary);border:1px solid var(--border-color);padding:var(--spacing-xl);text-align:center;border-radius:16px;transition:all .3s;position:relative}.contact-card:before{content:"";background:linear-gradient(90deg, var(--accent-color), #fdcb6e);height:4px;transition:transform .3s;position:absolute;top:0;left:0;right:0;transform:scaleX(0)}.contact-card:hover{border-color:var(--accent-color);transform:translateY(-8px);box-shadow:0 12px 40px #00000026}.contact-card:hover:before{transform:scaleX(1)}.contact-card h3{color:var(--text-color);margin-bottom:var(--spacing-md);font-size:1.4rem;font-weight:600}.contact-card p{color:var(--text-secondary);margin-bottom:var(--spacing-md);line-height:1.6}.contact-link{color:var(--accent-color);font-weight:600;text-decoration:none;transition:color .3s}.contact-link:hover{color:#00b894;text-decoration:underline}.hero-left{justify-content:center;align-items:center;gap:var(--spacing-lg);flex-direction:column;width:100%;display:flex}.hero-right{align-items:center;gap:var(--spacing-lg);text-align:center;flex-direction:column;width:100%;display:flex}.hero-title{font-size:var(--font-size-2xl);font-weight:var(--font-weight-bold);color:var(--text-primary);margin:0;line-height:1.2}.hero-subtitle{font-size:var(--font-size-lg);font-weight:var(--font-weight-medium);color:var(--accent-color);margin:0;line-height:1.3}.hero-description{font-size:var(--font-size-base);color:var(--text-secondary);max-width:600px;margin:0;line-height:1.6}.hero-divider{background:linear-gradient(90deg, var(--accent-color), transparent);border:none;width:60px;height:2px;margin:0 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var(--geo-color-3));--geo-drift-x:-22px;--geo-drift-y:26px;--geo-rotation-start:-30deg;--geo-rotation-end:-12deg;--geo-scale-end:1.05;--geo-duration:17s;--geo-delay:-6s;width:150px;height:150px;top:20%;right:15%}.geo-shape-3{background:linear-gradient(225deg, var(--geo-color-3), var(--geo-color-4));--geo-drift-x:24px;--geo-drift-y:18px;--geo-rotation-start:60deg;--geo-rotation-end:44deg;--geo-scale-end:1.07;--geo-duration:18.5s;--geo-delay:-9s;width:180px;height:180px;bottom:15%;left:20%}.geo-shape-4{background:linear-gradient(315deg, var(--geo-color-4), var(--geo-color-5));--geo-drift-x:-18px;--geo-drift-y:-20px;--geo-rotation-start:-45deg;--geo-rotation-end:-60deg;--geo-scale-end:1.04;--geo-duration:12.5s;--geo-delay:-3s;width:120px;height:120px;bottom:25%;right:25%}.geo-shape-5{background:linear-gradient(90deg, var(--geo-color-5), var(--geo-color-1));--geo-base-x:-50%;--geo-base-y:-50%;--geo-drift-x:20px;--geo-drift-y:-28px;--geo-rotation-start:15deg;--geo-rotation-end:31deg;--geo-scale-end:1.09;--geo-duration:19s;--geo-delay:-7s;width:160px;height:160px;top:50%;left:50%}@keyframes geoDrift{0%{transform:translate3d(var(--geo-base-x), var(--geo-base-y), 0) rotate(var(--geo-rotation-start)) scale(1);opacity:.08}to{transform:translate3d(calc(var(--geo-base-x) + var(--geo-drift-x)), calc(var(--geo-base-y) + var(--geo-drift-y)), 0) rotate(var(--geo-rotation-end)) scale(var(--geo-scale-end));opacity:.18}}.profile-image-container{z-index:3;position:relative}.profile-image-wrapper{border-radius:var(--border-radius-full);background:linear-gradient(45deg, var(--accent-color), var(--geo-color-1), var(--geo-color-3));width:280px;height:280px;padding:8px;animation:4s ease-in-out infinite alternate profileGlow;position:relative}.profile-image{border-radius:var(--border-radius-full);object-fit:cover;border:4px solid var(--primary-bg);width:100%;height:100%;transition:transform var(--transition-base)}.profile-image-wrapper:hover .profile-image{transform:scale(1.05)}.profile-ring{border-radius:var(--border-radius-full);border:2px solid #00d4aa4d;animation:3s ease-in-out infinite ringPulse;position:absolute;inset:-10px}@keyframes profileGlow{0%{box-shadow:0 0 20px #00d4aa4d}to{box-shadow:0 0 40px #00d4aa99,0 0 60px #6c5ce74d}}@keyframes ringPulse{0%,to{opacity:.5;transform:scale(1)}50%{opacity:.8;transform:scale(1.1)}}.social-media{gap:var(--spacing-lg);z-index:10;flex-wrap:wrap;justify-content:center;align-items:center;display:flex;position:relative}.social-link{border-radius:var(--border-radius-full);width:50px;height:50px;transition:all var(--transition-base);background:var(--secondary-bg);cursor:pointer;z-index:10;pointer-events:auto;border:2px solid #0000;justify-content:center;align-items:center;text-decoration:none;display:flex;position:relative;overflow:hidden}.social-link:before{content:"";opacity:0;transition:opacity var(--transition-base);z-index:-1;background:currentColor;position:absolute;inset:0}.social-link:hover:before{opacity:.1}.social-link:hover{box-shadow:var(--shadow-lg);border-color:currentColor;transform:translateY(-3px)}.social-link svg{width:24px;height:24px;transition:transform var(--transition-base);pointer-events:none}.social-link:hover svg{transform:scale(1.1)}.social-link.instagram{color:var(--instagram-color)}.social-link.linkedin{color:var(--linkedin-color)}.social-link.spotify{color:var(--spotify-color)}.social-link.youtube{color:var(--youtube-color)}.content-section{padding:var(--spacing-xl) var(--spacing-xl);background:var(--secondary-bg)}.content-container{max-width:800px;margin:0 auto}.content-block{margin-bottom:var(--spacing-lg);opacity:0;animation:.6s ease-out forwards 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var(--transition-base);font-weight:600;text-decoration:none;position:relative}.highlight-link:after{content:"";background:linear-gradient(90deg, var(--accent-color), transparent);transform-origin:0;width:100%;height:2px;transition:transform var(--transition-base);position:absolute;bottom:-2px;left:0;transform:scaleX(0)}.highlight-link:hover{color:var(--accent-hover)}.highlight-link:hover:after{transform:scaleX(1)}.divider{background:linear-gradient(90deg, var(--accent-color), var(--geo-color-1));width:60px;height:2px;margin:var(--spacing-lg) auto;opacity:.6;border-radius:1px}@media (min-width:769px){.hero-container{align-items:center;gap:var(--spacing-4xl);flex-direction:row;min-height:70vh}.hero-left{flex:none;width:auto}.hero-right{text-align:left;padding-left:var(--spacing-3xl);flex:1;align-items:flex-start}.hero-title{font-size:var(--font-size-3xl)}.hero-subtitle{font-size:var(--font-size-xl)}.hero-divider{margin:0}.hero-left .social-media{justify-content:center}}@media (max-width:768px){.nav-container{padding:0 var(--spacing-md);gap:var(--spacing-md)}.nav-menu{top:var(--header-height);background:var(--secondary-bg);height:auto;padding:var(--spacing-xl) var(--spacing-md);gap:var(--spacing-sm);opacity:0;visibility:hidden;pointer-events:none;transition:opacity var(--transition-base), visibility var(--transition-base), transform var(--transition-base);max-height:calc(100vh - var(--header-height));z-index:999;border-top:1px solid #ffffff1a;border-bottom:1px solid #ffffff1a;flex-direction:column;position:fixed;left:0;right:0;overflow-y:auto;transform:translateY(-8px);box-shadow:0 8px 24px #00000080}.nav-menu.active{opacity:1;visibility:visible;pointer-events:auto;transform:translateY(0)}.nav-toggle{display:flex}.nav-toggle.active .hamburger-line:first-child{transform:rotate(45deg)translate(6px,6px)}.nav-toggle.active .hamburger-line:nth-child(2){opacity:0}.nav-toggle.active .hamburger-line:nth-child(3){transform:rotate(-45deg)translate(6px,-6px)}.header .cta-button{display:none}.nav-menu .cta-mobile{width:100%;margin-top:var(--spacing-sm);padding:var(--spacing-md) var(--spacing-lg);font-size:var(--font-size-base);justify-content:center;display:flex}.nested-dropdown-menu{opacity:1;visibility:visible;background:var(--primary-bg);box-shadow:none;margin-left:var(--spacing-md);padding-left:var(--spacing-md);border:none;border-left:2px solid #00d4aa4d;border-radius:0;position:static;transform:none}.brand-name{font-size:var(--font-size-base);white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.brand-subtitle{white-space:nowrap;font-size:.7rem}.nav-item{width:100%;height:auto}.nav-link{width:100%;height:auto;padding:14px var(--spacing-md);font-size:var(--font-size-base);border-radius:var(--border-radius-md)}.nav-mobile-cta{padding-top:var(--spacing-sm);margin-top:var(--spacing-xs);border-top:1px solid #ffffff14;display:flex}.hero-section{padding:var(--spacing-xl) var(--spacing-md)}.profile-image-wrapper{width:220px;height:220px}.social-media{gap:var(--spacing-md)}.social-link{width:45px;height:45px}.social-link svg{width:20px;height:20px}.content-section{padding:var(--spacing-lg) var(--spacing-md)}.main-title{font-size:var(--font-size-2xl)}.section-title{font-size:var(--font-size-xl)}.description{font-size:var(--font-size-base)}.geo-shape-1{width:120px;height:120px}.geo-shape-2{width:100px;height:100px}.geo-shape-3{width:110px;height:110px}.geo-shape-4{width:80px;height:80px}.geo-shape-5{width:90px;height:90px}}@media (max-width:480px){.nav-container{padding:0 var(--spacing-sm);gap:var(--spacing-sm)}.brand-subtitle{display:none}.brand-name{font-size:var(--font-size-sm)}.hero-section{padding:var(--spacing-lg) var(--spacing-sm)}.profile-image-wrapper{width:180px;height:180px}.main-title{font-size:var(--font-size-xl)}.section-title{font-size:var(--font-size-lg)}.social-link{width:40px;height:40px}.social-link svg{width:18px;height:18px}}.geo-shape{will-change:transform}@media (hover:hover){.profile-image-wrapper:hover,.social-link:hover,.nav-link:hover,.cta-button:hover{will-change:transform}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}.geometric-bg{display:none}}@media (prefers-contrast:high){:root{--primary-bg:#000;--secondary-bg:#1a1a1a;--text-primary:#fff;--text-secondary:#fff;--accent-color:#0f8}}@media print{.skip-link,.header,.social-media,.geometric-bg{display:none}.main-content{margin-top:0}body{color:#000;background:#fff}}.books-section{min-height:100vh;padding:var(--spacing-4xl) 0;background:linear-gradient(135deg, var(--background-color) 0%, var(--background-secondary) 50%, var(--background-color) 100%);position:relative;overflow:hidden}.books-section:before{content:"";pointer-events:none;background:radial-gradient(circle at 20% 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10px 40px #0000001a}.books-hero-content{max-width:800px;margin:0 auto}.books-hero-title{color:var(--text-color);margin-bottom:var(--spacing-lg);font-size:2.2rem;font-weight:700;line-height:1.2}.books-hero-description{color:var(--text-secondary);margin-bottom:var(--spacing-lg);font-size:1.1rem;line-height:1.7}.books-hero-description:last-child{margin-bottom:0}.book-categories{gap:var(--spacing-xl);flex-direction:column;display:flex}.book-category{background:var(--background-secondary);padding:var(--spacing-lg);border:1px solid var(--border-color);border-radius:20px;transition:all .3s;box-shadow:0 8px 32px #00000014}.book-category:hover{transform:translateY(-4px);box-shadow:0 12px 48px #0000001f}.category-title{color:var(--text-color);margin-bottom:var(--spacing-md);align-items:center;gap:var(--spacing-sm);font-size:1.8rem;font-weight:700;display:flex}.category-note{color:var(--text-secondary);margin-bottom:var(--spacing-lg);font-size:.95rem;font-style:italic}.book-collection{margin-bottom:var(--spacing-3xl);padding:var(--spacing-xl);background:var(--background-color);border:1px solid var(--border-color);border-radius:16px}.collection-title{margin-bottom:var(--spacing-md);font-size:1.3rem;font-weight:600}.collection-title .book-link{color:var(--accent-color);text-decoration:none;transition:color .3s}.collection-title .book-link:hover{color:#00b894}.collection-description{color:var(--text-secondary);margin-bottom:var(--spacing-xl);font-size:1rem;line-height:1.6}.books-grid{gap:var(--spacing-md);grid-template-columns:repeat(auto-fit,minmax(300px,1fr));display:grid}.book-card{background:var(--background-color);border:1px solid var(--border-color);padding:var(--spacing-md);border-radius:12px;transition:all .3s;position:relative;overflow:hidden}.book-card:before{content:"";background:var(--border-color);height:4px;transition:background .3s;position:absolute;top:0;left:0;right:0}.book-card:hover{border-color:var(--accent-color);transform:translateY(-4px);box-shadow:0 8px 32px #0000001f}.book-card:hover:before{background:linear-gradient(90deg, var(--accent-color), #00b894)}.book-card.technical{border-left:4px solid #74b9ff}.book-card.free{border-left:4px solid #00b894}.book-card.reading{background:linear-gradient(135deg, var(--background-color) 0%, #fdcb6e05 100%);border-left:4px solid #fdcb6e}.book-link{color:var(--text-color);align-items:center;font-weight:500;line-height:1.5;text-decoration:none;transition:color .3s;display:flex}.book-link:hover{color:var(--accent-color)}.book-link strong{color:var(--accent-color);font-weight:700}.favorite-star{filter:drop-shadow(0 0 2px #ffd7004d);align-items:center;margin-right:6px;font-size:14px;animation:2s ease-in-out infinite sparkle;display:inline-flex}@keyframes sparkle{0%,to{transform:scale(1)}50%{transform:scale(1.1)}}.external-link{font-weight:600;color:var(--accent-color)!important}.external-link:hover{text-decoration:underline;color:#00b894!important}.book-genre{color:var(--text-secondary);margin-top:var(--spacing-xs);font-size:.85rem;font-style:italic;display:block}.free-badge,.technical-note{background:var(--accent-color);color:var(--background-color);margin-top:var(--spacing-xs);border-radius:12px;padding:4px 8px;font-size:.75rem;font-weight:600;display:inline-block}.technical-note{margin-top:var(--spacing-sm);background:#74b9ff;font-size:.8rem}.books-loading{text-align:center;padding:var(--spacing-4xl);color:var(--text-secondary);font-size:1.1rem}.books-loading:after{content:"";border:2px solid var(--border-color);border-top:2px solid var(--accent-color);border-radius:50%;width:20px;height:20px;margin-left:10px;animation:1s linear infinite spin;display:inline-block}.books-error{text-align:center;padding:var(--spacing-4xl);background:var(--background-secondary);border:1px solid var(--border-color);margin:var(--spacing-xl) 0;border-radius:16px}.books-error h3{color:var(--text-color);margin-bottom:var(--spacing-md);font-size:1.4rem}.retry-button{background:var(--accent-color);color:var(--background-color);padding:var(--spacing-sm) var(--spacing-lg);cursor:pointer;border:none;border-radius:8px;font-size:1rem;font-weight:600;transition:all .3s}.retry-button:hover{background:var(--accent-hover);transform:translateY(-2px)}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.books-footer{margin-top:var(--spacing-4xl);padding:var(--spacing-xl);background:var(--background-secondary);border:1px solid var(--border-color);text-align:center;border-radius:16px}.footer-note{color:var(--text-secondary);max-width:800px;margin:0 auto;font-size:1rem;line-height:1.6}.footer-note strong{color:var(--accent-color)}@media (max-width:768px){.books-hero-content{padding:0}.books-grid{gap:var(--spacing-md);grid-template-columns:1fr}.book-category{padding:var(--spacing-xl)}.book-collection{padding:var(--spacing-lg)}.category-title{font-size:1.5rem}.books-hero-title{font-size:1.8rem}}@media (max-width:480px){.books-section{padding:var(--spacing-3xl) 0}.book-card{padding:var(--spacing-md)}.category-title{align-items:flex-start;gap:var(--spacing-xs);flex-direction:column;font-size:1.3rem}}.section-error{padding:var(--spacing-xl);text-align:center;border-radius:var(--border-radius);margin:var(--spacing-lg) 0;background:#ffffff05;flex-direction:column;justify-content:center;align-items:center;display:flex}.section-error .error-content{max-width:500px}.section-error h3{color:#ff6b6b;margin-bottom:var(--spacing-md)}.section-error p{color:var(--text-secondary);margin-bottom:var(--spacing-lg)}.retry-button{background:var(--accent-color);color:var(--text-primary);padding:var(--spacing-sm) var(--spacing-lg);border-radius:var(--border-radius);cursor:pointer;border:none;font-weight:500;transition:background-color .3s}.retry-button:hover{background:var(--accent-hover)}.section-loading{padding:var(--spacing-xl);color:var(--text-secondary);justify-content:center;align-items:center;display:flex}.section-loading:before{content:"";border:2px solid var(--accent-color);width:20px;height:20px;margin-right:var(--spacing-sm);border-top:2px solid #0000;border-radius:50%;animation:1s linear infinite spin}.nav-link{transition:all .3s;position:relative}.nav-link.active:after{content:"";background:var(--accent-color);border-radius:1px;width:100%;height:2px;position:absolute;bottom:-2px;left:0}.slide{will-change:opacity, transform;transition:opacity .4s,transform .4s}.slide:not(.active){opacity:0;pointer-events:none;transform:translate(10px)}.slide.active{opacity:1;pointer-events:auto;transform:translate(0)}.books-error{border-radius:var(--border-radius);padding:var(--spacing-lg);margin:var(--spacing-lg) 0;text-align:center;background:#ff6b6b1a;border:1px solid #ff6b6b4d}.books-error h3{color:#ff6b6b;margin-bottom:var(--spacing-md)}.books-error p{color:var(--text-secondary);margin-bottom:var(--spacing-lg)}.books-container,.slide{contain:layout style paint}@media (prefers-reduced-motion:reduce){.slide{transition:none}.section-loading:before{animation:none}}.retry-button:focus,.nav-link:focus{outline:2px solid var(--accent-color);outline-offset:2px}.work-overview{animation:.5s ease-in fadeIn}.work-areas-grid{gap:var(--spacing-lg);margin-top:var(--spacing-xl);grid-template-columns:repeat(auto-fit,minmax(300px,1fr));display:grid}.work-area-card{background:var(--secondary-bg);padding:var(--spacing-lg);color:var(--text-primary);border:1px solid #0000;border-radius:12px;text-decoration:none;transition:all .3s;position:relative;overflow:hidden}.work-area-card:before{content:"";background:var(--accent-color);height:3px;transition:transform .3s;position:absolute;top:0;left:0;right:0;transform:scaleX(0)}.work-area-card:hover{border-color:var(--accent-color);transform:translateY(-5px);box-shadow:0 10px 30px #00d4aa33}.work-area-card:hover:before{transform:scaleX(1)}.work-area-icon{margin-bottom:var(--spacing-md);font-size:2.5rem;display:block}.work-area-card h3{margin-bottom:var(--spacing-sm);color:var(--text-primary);font-size:1.25rem;font-weight:600}.work-area-card p{color:var(--text-secondary);margin-bottom:var(--spacing-md);line-height:1.6}.work-area-cta{color:var(--accent-color);font-size:.9rem;font-weight:500;transition:color .3s}.work-area-card:hover .work-area-cta{color:var(--accent-hover)}@media (max-width:768px){.work-areas-grid{gap:var(--spacing-md);grid-template-columns:1fr}.work-area-card{padding:var(--spacing-md)}.work-area-icon{font-size:2rem}.work-area-card h3{font-size:1.1rem}}.subsection-nav{margin-bottom:var(--spacing-md);text-align:left}.back-to-overview{color:var(--text-secondary);padding:var(--spacing-xs) var(--spacing-sm);border-radius:6px;align-items:center;font-size:.9rem;text-decoration:none;transition:all .3s;display:inline-flex}.back-to-overview:hover{color:var(--accent-color);background:#00d4aa1a}.work-subsections{min-height:400px;display:none;position:relative}.work-subsection{opacity:0;visibility:hidden;transition:opacity .4s ease-in-out,visibility .4s ease-in-out,transform .4s ease-in-out;position:absolute;top:0;left:0;right:0;transform:translateY(10px)}.work-subsection.active{opacity:1;visibility:visible;transform:translateY(0)}.work-subsection.fade-out{opacity:0;visibility:hidden;transform:translateY(-10px)}.blog-subsections{min-height:400px;display:none;position:relative}.blog-subsection{opacity:0;visibility:hidden;transition:opacity .4s ease-in-out,visibility .4s ease-in-out,transform .4s ease-in-out;position:absolute;top:0;left:0;right:0;transform:translateY(10px)}.blog-subsection.active{opacity:1;visibility:visible;transform:translateY(0)}.blog-subsection.fade-out{opacity:0;visibility:hidden;transform:translateY(-10px)}.subsection-header{text-align:center;margin-bottom:var(--spacing-xl)}.subsection-title{color:var(--accent-color);margin-bottom:var(--spacing-sm);font-size:2rem;font-weight:700}.subsection-description{color:var(--text-secondary);max-width:600px;margin:0 auto;font-size:1.1rem}.chi-sono-content{max-width:800px;padding:var(--spacing-xl) var(--spacing-lg);margin:0 auto}.chi-sono-content p{color:var(--text-primary);margin-bottom:var(--spacing-lg);text-align:justify;font-size:1.05rem;line-height:1.8}.chi-sono-content p strong{color:var(--accent-color);font-weight:700}.articles-content{max-width:800px;padding:var(--spacing-xl) var(--spacing-lg);margin:0 auto}.articles-content p{color:var(--text-secondary);text-align:center;padding:var(--spacing-xl);font-size:1rem;line-height:1.6}.projects-container,.startups-container{margin-top:var(--spacing-xl)}.projects-grid{gap:var(--spacing-lg);margin-top:var(--spacing-lg);grid-template-columns:repeat(auto-fit,minmax(350px,1fr));display:grid}.project-card{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--border-radius);padding:var(--spacing-lg);transition:all .3s;position:relative;overflow:hidden}.project-image{border-radius:var(--border-radius) var(--border-radius) 0 0;background:var(--bg-tertiary);aspect-ratio:1;justify-content:center;align-items:center;width:100%;height:200px;margin:-8px -8px 16px;display:flex;overflow:hidden}.project-image img{object-fit:contain;width:100%;height:100%;padding:16px;transition:transform .3s}.project-card:hover .project-image img{transform:scale(1.05)}.project-card.featured{border-color:var(--accent-color);box-shadow:0 0 20px #00d4aa1a}.project-card:hover{border-color:var(--accent-color);transform:translateY(-5px);box-shadow:0 10px 30px #0000004d}.project-header{margin-bottom:var(--spacing-md);justify-content:space-between;align-items:flex-start;display:flex}.project-title{color:var(--text-primary);margin:0;font-size:1.3rem;font-weight:600}.project-status{text-transform:uppercase;letter-spacing:.5px;border-radius:12px;padding:.25rem .5rem;font-size:.75rem;font-weight:500}.project-status.completed{color:var(--accent-color);background:#00d4aa33}.project-status.in-progress{color:#ffc107;background:#ffc10733}.project-subtitle{color:var(--accent-color);margin-bottom:var(--spacing-sm);font-size:.9rem;font-style:italic}.project-description{color:var(--text-secondary);margin-bottom:var(--spacing-md);line-height:1.6}.project-technologies{margin-bottom:var(--spacing-md);flex-wrap:wrap;gap:.5rem;display:flex}.tech-tag{background:var(--bg-tertiary);color:var(--text-primary);border-radius:6px;padding:.25rem .5rem;font-size:.75rem;font-weight:500}.project-footer{border-top:1px solid var(--border-color);padding-top:var(--spacing-md)}.project-link{color:var(--accent-color);align-items:center;gap:.5rem;font-weight:500;text-decoration:none;transition:color .3s;display:inline-flex}.project-link:hover{color:var(--text-primary)}.project-link svg{width:16px;height:16px}.projects-loading,.projects-error,.startups-loading{text-align:center;padding:var(--spacing-xl);color:var(--text-secondary)}.projects-error .retry-button{background:var(--accent-color);color:var(--bg-primary);padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--border-radius);cursor:pointer;margin-top:var(--spacing-md);border:none;transition:opacity .3s}.projects-error .retry-button:hover{opacity:.8}.services-grid{gap:var(--spacing-lg);margin:var(--spacing-xl) 0;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));display:grid}.service-card{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--border-radius);padding:var(--spacing-lg);text-align:center;transition:all .3s}.service-card:hover{border-color:var(--accent-color);transform:translateY(-3px);box-shadow:0 5px 20px #0003}.service-icon{margin-bottom:var(--spacing-md);font-size:2.5rem;display:block}.service-card h4{color:var(--accent-color);margin-bottom:var(--spacing-sm);font-size:1.2rem;font-weight:600}.service-card p{color:var(--text-secondary);line-height:1.6}.service-cta{text-align:center;margin-top:var(--spacing-xl);padding:var(--spacing-lg);background:var(--bg-secondary);border-radius:var(--border-radius);border:1px solid var(--border-color)}.service-cta p{color:var(--text-primary);margin-bottom:var(--spacing-md);font-size:1.1rem;font-weight:500}.master-cta{text-align:center;margin-top:var(--spacing-xl);padding:var(--spacing-lg);background:var(--bg-secondary);border-radius:var(--border-radius);border:1px solid var(--border-color)}.master-cta p{color:var(--text-primary);margin-bottom:var(--spacing-md);font-size:1.1rem;font-weight:500}.tutoring-highlights{justify-content:center;gap:var(--spacing-xl);margin:var(--spacing-xl) 0;flex-wrap:wrap;display:flex}.highlight-stat{text-align:center;background:var(--bg-secondary);padding:var(--spacing-lg);border-radius:var(--border-radius);border:1px solid var(--border-color);min-width:120px}.stat-number{color:var(--accent-color);font-size:2.5rem;font-weight:700;line-height:1}.stat-label{color:var(--text-secondary);margin-top:.5rem;font-size:.9rem}.tutoring-services{gap:var(--spacing-xl);margin-top:var(--spacing-xl);grid-template-columns:repeat(auto-fit,minmax(300px,1fr));display:grid}.tutoring-column h4{color:var(--accent-color);margin-bottom:var(--spacing-md);font-size:1.3rem;font-weight:600}.service-list{padding:0;list-style:none}.service-list li{color:var(--text-secondary);margin-bottom:var(--spacing-sm);padding-left:1.5rem;line-height:1.6;position:relative}.service-list li:before{content:"✓";color:var(--accent-color);font-weight:700;position:absolute;left:0}.collaboration-grid{gap:var(--spacing-lg);margin:var(--spacing-xl) 0;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));display:grid}.collaboration-card{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--border-radius);padding:var(--spacing-lg);text-align:center;transition:all .3s}.collaboration-card:hover{border-color:var(--accent-color);transform:translateY(-3px);box-shadow:0 5px 20px #0003}.collab-icon{margin-bottom:var(--spacing-md);font-size:2.5rem;display:block}.collaboration-card h4{color:var(--accent-color);margin-bottom:var(--spacing-sm);font-size:1.2rem;font-weight:600}.collaboration-card p{color:var(--text-secondary);line-height:1.6}.collaboration-cta{text-align:center;margin-top:var(--spacing-xl);padding:var(--spacing-lg);background:var(--bg-secondary);border-radius:var(--border-radius);border:1px solid var(--border-color)}.collaboration-cta p{color:var(--text-primary);margin-bottom:var(--spacing-md);font-size:1.1rem;font-weight:500}.startup-content{gap:var(--spacing-lg);margin-top:var(--spacing-xl);margin-bottom:var(--spacing-xl);grid-template-columns:repeat(auto-fit,minmax(300px,1fr));display:grid}.startup-card{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--border-radius);padding:var(--spacing-lg);transition:all .3s}.startup-card:hover{border-color:var(--accent-color);transform:translateY(-4px);box-shadow:0 8px 24px #00d4aa26}.startup-card h4{color:var(--accent-color);margin-bottom:var(--spacing-md);font-size:1.3rem;font-weight:600}.startup-card p{color:var(--text-primary);margin-bottom:var(--spacing-md);line-height:1.6}.startup-list{padding:0;list-style:none}.startup-list li{color:var(--text-secondary);padding:var(--spacing-sm) 0;padding-left:var(--spacing-lg);position:relative}.startup-list li:before{content:"→";color:var(--accent-color);font-weight:700;position:absolute;left:0}.startup-cta{text-align:center;padding:var(--spacing-lg);background:var(--bg-secondary);border-radius:var(--border-radius);border:1px solid var(--border-color)}.startup-cta p{color:var(--text-primary);margin-bottom:var(--spacing-md);font-size:1.1rem;font-weight:500}.master-content{gap:var(--spacing-lg);margin-top:var(--spacing-xl);grid-template-columns:repeat(auto-fit,minmax(300px,1fr));display:grid}.master-card{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--border-radius);padding:var(--spacing-lg);text-align:center;transition:all .3s}.master-card:hover{border-color:var(--accent-color);transform:translateY(-3px);box-shadow:0 5px 20px #0003}.master-card h4{color:var(--accent-color);margin-bottom:var(--spacing-sm);font-size:1.3rem;font-weight:600}.master-card p{color:var(--text-secondary);line-height:1.6}@media 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