.theme-toggle{background:none;border:none;cursor:pointer;padding:var(--spacing-sm);border-radius:var(--radius-md);color:var(--text-primary);font-size:1.2rem;transition:all var(--transition-normal);display:flex;align-items:center;justify-content:center;min-width:40px;min-height:40px}.theme-toggle:hover{background-color:var(--bg-tertiary);transform:scale(1.05)}.theme-toggle:active{transform:scale(.95)}.theme-toggle-icon{display:inline-block;transition:transform var(--transition-normal)}.theme-toggle:hover .theme-toggle-icon{transform:rotate(15deg)}.theme-toggle:focus{outline:2px solid var(--accent-primary);outline-offset:2px}.theme-toggle:focus:not(:focus-visible){outline:none}.theme-toggle:focus-visible{outline:2px solid var(--accent-primary);outline-offset:2px}.navbar{height:var(--navbar-height);background:linear-gradient(90deg,rgba(var(--accent-primary-rgb),.04),var(--color-bg-secondary));border-bottom:1px solid var(--color-border);display:flex;align-items:center;justify-content:space-between;padding:0 var(--spacing-lg);position:sticky;top:0;z-index:var(--z-navbar);box-shadow:var(--shadow-sm)}.navbar-brand{font-family:var(--font-heading);font-size:20px;font-weight:700;color:var(--color-text-primary);text-decoration:none;display:flex;align-items:center;gap:var(--spacing-sm)}.navbar-brand:hover{color:var(--color-accent-green);transition:color var(--transition-fast)}.navbar-nav{display:flex;align-items:center;gap:var(--spacing-md);list-style:none}.nav-item{display:flex;align-items:center}.nav-link{color:var(--color-text-secondary);text-decoration:none;padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--radius-md);font-weight:500;transition:all var(--transition-fast);cursor:pointer}.nav-link:hover{color:var(--color-text-primary);background:#ffffff0d}.nav-link.active{color:var(--accent-primary);background:rgba(var(--accent-primary-rgb),.06)}.nav-link.primary{background:linear-gradient(135deg,var(--accent-primary) 0%,var(--accent-secondary) 100%);color:#fff;font-weight:700;padding:var(--spacing-sm) var(--spacing-lg)}.nav-link.primary:hover{background:linear-gradient(135deg,var(--accent-secondary) 0%,var(--accent-primary) 100%);transform:translateY(-1px);box-shadow:var(--shadow-sm)}.nav-link-cta{background:linear-gradient(135deg,var(--accent-cta) 0%,#e05674 100%);color:#fff!important;font-family:var(--font-heading);font-weight:700;padding:var(--spacing-sm) var(--spacing-lg);border-radius:var(--radius-md)}.nav-link-cta:hover{opacity:.9;transform:translateY(-1px);box-shadow:0 4px 16px rgba(var(--accent-cta-rgb),.35);background:linear-gradient(135deg,var(--accent-cta) 0%,#e05674 100%)!important}.nav-play-mobile,.nav-theme-mobile{display:none}.nav-play-desktop{display:block}@media(max-width:768px){.nav-play-mobile{display:block}.nav-theme-mobile{display:flex;justify-content:flex-start;padding:var(--spacing-sm) 0}.navbar-actions,.nav-play-desktop{display:none}}.navbar-toggle{display:none;background:transparent;border:none;color:var(--color-text-primary);font-size:24px;cursor:pointer;padding:var(--spacing-sm)}.navbar-toggle{position:absolute;right:var(--spacing-md);top:50%;transform:translateY(-50%);z-index:calc(var(--z-navbar) + 10)}.navbar-actions{display:flex;align-items:center;gap:var(--spacing-sm)}@media(max-width:768px){.navbar{padding:0 var(--spacing-md)}.navbar-toggle{display:block}.navbar-nav{position:fixed;top:var(--navbar-height);left:0;right:0;background:var(--color-bg-secondary);flex-direction:column;align-items:stretch;gap:0;padding:var(--spacing-md);border-bottom:1px solid var(--color-border);box-shadow:var(--shadow-md);transform:translateY(-100%);opacity:0;transition:all var(--transition-normal);pointer-events:none}.navbar-nav.open{transform:translateY(0);opacity:1;pointer-events:all}.nav-link{width:100%;text-align:left;padding:var(--spacing-md)}.nav-link.primary{margin-top:var(--spacing-sm)}.nav-theme-mobile .nav-theme-wrapper{display:flex;width:100%;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-md) 0;justify-content:flex-start;color:var(--color-text-primary)}}.site-footer{background:var(--bg-secondary);border-top:1px solid var(--color-border);padding:3rem 2rem 1.5rem;margin-top:auto;width:100%}.footer-inner{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1fr auto auto;gap:3rem;align-items:start;padding-bottom:2rem;border-bottom:1px solid var(--color-border)}.footer-logo{font-family:var(--font-heading);font-size:1.25rem;font-weight:700;color:var(--text-primary);text-decoration:none;display:block;margin-bottom:.5rem;transition:color var(--transition-fast)}.footer-logo:hover{color:var(--accent-primary)}.footer-tagline{font-size:.875rem;color:var(--text-tertiary);line-height:1.5;max-width:220px}.footer-nav ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:.5rem}.footer-nav a{color:var(--text-secondary);text-decoration:none;font-size:.9rem;font-weight:500;transition:color var(--transition-fast)}.footer-nav a:hover{color:var(--accent-primary)}.footer-social{display:flex;gap:.75rem;align-items:center}.footer-social-link{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:var(--radius-md);background:var(--bg-tertiary);color:var(--text-secondary);text-decoration:none;transition:background var(--transition-fast),color var(--transition-fast),transform var(--transition-fast)}.footer-social-link:hover{background:rgba(var(--accent-primary-rgb),.15);color:var(--accent-primary);transform:translateY(-2px)}.footer-bottom{max-width:1200px;margin:1.25rem auto 0;text-align:center}.footer-bottom p{font-size:.8rem;color:var(--text-tertiary)}@media(max-width:768px){.footer-inner{grid-template-columns:1fr;gap:2rem}.footer-nav ul{flex-direction:row;flex-wrap:wrap;gap:.5rem 1.25rem}.footer-social{gap:.5rem}}.landing-page{width:100%;background:var(--bg-primary)}.hero{min-height:90vh;display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center;padding:4rem 2rem;max-width:1400px;margin:0 auto}.hero-content{animation:slideInLeft .8s ease-out}.hero-title{font-family:var(--font-heading);font-size:4rem;font-weight:800;margin-bottom:1rem;color:var(--text-primary);line-height:1.2}.hero-title .highlight{background:linear-gradient(135deg,var(--accent-primary) 0%,var(--accent-secondary) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-subtitle{font-size:2rem;font-weight:500;color:var(--text-secondary);margin-bottom:1.5rem}.hero-bio{font-size:1.25rem;color:var(--text-tertiary);margin-bottom:2.5rem;line-height:1.6;max-width:600px}.hero-actions{display:flex;gap:1rem;flex-wrap:wrap}.hero-graphic{display:flex;justify-content:center;align-items:center;animation:slideInRight .8s ease-out}.floating-card{background:var(--bg-secondary);border-radius:16px;padding:2rem;box-shadow:0 20px 60px #0000004d;animation:float 6s ease-in-out infinite;transform-style:preserve-3d}.code-snippet{font-family:var(--font-mono);font-size:.95rem}.code-snippet pre{color:var(--text-primary);margin:0;line-height:1.8}@keyframes float{0%,to{transform:translateY(0) rotateY(0)}50%{transform:translateY(-20px) rotateY(5deg)}}.featured-projects{padding:6rem 2rem;background:var(--bg-secondary)}.container{max-width:1200px;margin:0 auto}.section-title{font-size:2.5rem;font-weight:700;text-align:center;margin-bottom:3rem;color:var(--text-primary)}.projects-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(350px,1fr));gap:2rem;margin-bottom:3rem}.project-card{background:var(--bg-primary);border-radius:12px;overflow:hidden;transition:transform .3s ease,box-shadow .3s ease;box-shadow:0 4px 12px #0000001a}.project-card:hover{transform:translateY(-8px);box-shadow:0 12px 24px #0003}.project-image{height:200px;background:linear-gradient(135deg,var(--accent-primary) 0%,var(--accent-secondary) 100%);display:flex;justify-content:center;align-items:center}.project-image-placeholder{font-size:4rem;filter:brightness(0) invert(1);opacity:.9}.project-content{padding:1.5rem}.project-content h3{font-size:1.5rem;margin-bottom:.75rem;color:var(--text-primary)}.project-content p{color:var(--text-secondary);margin-bottom:1rem;line-height:1.6}.project-tech{display:flex;gap:.5rem;flex-wrap:wrap;margin-bottom:1rem}.tech-tag{background:var(--bg-secondary);padding:.25rem .75rem;border-radius:20px;font-size:.85rem;color:var(--accent-primary);font-weight:500}.project-links{display:flex;gap:1rem}.project-link{color:var(--accent-primary);text-decoration:none;font-weight:600;transition:color .2s ease}.project-link:hover{color:var(--accent-secondary)}.section-action{text-align:center}.skills{padding:6rem 2rem}.skills-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem}.skill-category{background:var(--bg-secondary);padding:2rem;border-radius:12px;box-shadow:0 4px 12px #0000001a}.category-title{font-size:1.25rem;margin-bottom:1.5rem;color:var(--text-primary)}.skill-list{list-style:none;padding:0;margin:0}.skill-item{margin-bottom:1rem}.skill-name{display:block;margin-bottom:.5rem;color:var(--text-secondary);font-weight:500}.skill-bar{height:8px;background:var(--bg-primary);border-radius:4px;overflow:hidden}.skill-level{height:100%;background:linear-gradient(90deg,var(--accent-primary) 0%,var(--accent-secondary) 100%);transition:width .3s ease}.about{padding:6rem 2rem;background:var(--bg-secondary)}.about-content{max-width:800px;margin:0 auto}.about-text p{font-size:1.125rem;line-height:1.8;color:var(--text-secondary);margin-bottom:1.5rem}.about-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem;margin-top:3rem}.stat{text-align:center}.stat-number{font-size:3rem;font-weight:800;color:var(--accent-primary);margin-bottom:.5rem}.stat-label{font-size:1rem;color:var(--text-tertiary);text-transform:uppercase;letter-spacing:1px}.contact{padding:6rem 2rem}.contact-links{display:flex;justify-content:center;gap:2rem;flex-wrap:wrap}.contact-link{display:flex;flex-direction:column;align-items:center;gap:.5rem;padding:1.5rem 2rem;background:var(--bg-secondary);border-radius:12px;text-decoration:none;color:var(--text-primary);font-weight:600;transition:transform .2s ease,box-shadow .2s ease;box-shadow:0 4px 12px #0000001a}.contact-link:hover{transform:translateY(-4px);box-shadow:0 8px 20px #00000026}.contact-link .icon{font-size:2rem}.btn{display:inline-block;padding:.75rem 1.5rem;border-radius:var(--radius-md);font-family:var(--font-heading);font-weight:600;text-decoration:none;transition:all var(--transition-normal);cursor:pointer;border:none;font-size:1rem}.btn-primary{background:linear-gradient(135deg,var(--accent-primary) 0%,var(--accent-secondary) 100%);color:#fff;box-shadow:0 6px 20px rgba(var(--accent-primary-rgb),.25)}.btn-primary:hover{opacity:.9;transform:translateY(-2px);box-shadow:0 8px 30px rgba(var(--accent-primary-rgb),.35)}.btn-cta{background:linear-gradient(135deg,var(--accent-cta) 0%,#e05674 100%);color:#fff;box-shadow:0 6px 20px rgba(var(--accent-cta-rgb),.3)}.btn-cta:hover{opacity:.9;transform:translateY(-2px);box-shadow:0 8px 30px rgba(var(--accent-cta-rgb),.4)}.btn-secondary{background:var(--bg-secondary);color:var(--text-primary);border:1px solid var(--color-border)}.btn-secondary:hover{border-color:var(--accent-primary);color:var(--accent-primary);transform:translateY(-2px)}.btn-outline{background:transparent;color:var(--accent-primary);border:2px solid var(--accent-primary)}.btn-outline:hover{background:var(--accent-primary);color:#fff;transform:translateY(-2px)}@keyframes slideInLeft{0%{opacity:0;transform:translate(-50px)}to{opacity:1;transform:translate(0)}}@keyframes slideInRight{0%{opacity:0;transform:translate(50px)}to{opacity:1;transform:translate(0)}}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@media(prefers-reduced-motion:reduce){.hero-content,.hero-graphic,.floating-card{animation:none}.project-card:hover,.contact-link:hover,.btn:hover{transform:none}}.contact-loading{text-align:center;padding:2rem;color:var(--text-secondary);font-size:1rem}.section-loading{text-align:center;padding:3rem 2rem;color:var(--text-tertiary);font-size:1rem}.newsletter-section{padding:6rem 2rem;background:var(--bg-secondary)}@media(max-width:768px){.hero{grid-template-columns:1fr;min-height:auto;padding:2rem 1rem}.hero-title{font-size:2.5rem}.hero-subtitle{font-size:1.5rem}.hero-graphic{order:-1}.projects-grid,.skills-grid,.about-stats{grid-template-columns:1fr}}.loading-container{display:flex;align-items:center;justify-content:center;min-height:80vh;width:100%}.loading-spinner{text-align:center}.spinner{width:50px;height:50px;margin:0 auto 1rem;border:4px solid rgba(0,180,216,.1);border-top:4px solid var(--accent-primary, #00b4d8);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.loading-spinner p{color:var(--text-secondary, rgba(255, 255, 255, .85));font-size:.875rem}:root{--font-heading: "Plus Jakarta Sans", "Segoe UI", system-ui, sans-serif;--font-body: "Inter", "Segoe UI", system-ui, sans-serif;--font-mono: "JetBrains Mono", "Fira Code", "Cascadia Code", monospace;--bg-primary: #13111c;--bg-secondary: #1e1b2e;--bg-tertiary: #2a2640;--text-primary: #f8f7ff;--text-secondary: rgba(248, 247, 255, .8);--text-tertiary: rgba(248, 247, 255, .5);--accent-primary: #a78bfa;--accent-secondary: #7c3aed;--accent-primary-rgb: 167, 139, 250;--accent-cta: #fb7185;--accent-cta-rgb: 251, 113, 133;--color-bg-primary: #1e1b2e;--color-bg-secondary: #2a2640;--color-bg-tertiary: #3b3660;--color-text-primary: #f8f7ff;--color-text-secondary: rgba(248, 247, 255, .7);--color-text-muted: rgba(248, 247, 255, .5);--color-border: rgba(167, 139, 250, .15);--color-border-hover: rgba(167, 139, 250, .3);--color-accent-green: #34d399;--color-accent-blue: #60a5fa;--color-accent-red: #fb7185;--color-board-dark: #2c5f2d;--color-board-light: #97d077;--color-board-bg: linear-gradient(135deg, #2a2640 0%, #1e1b2e 100%);--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 32px;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 14px;--radius-xl: 20px;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .4);--shadow-md: 0 4px 20px rgba(0, 0, 0, .5);--shadow-lg: 0 8px 40px rgba(0, 0, 0, .6);--shadow-glow: 0 0 24px rgba(167, 139, 250, .2);--transition-fast: .15s ease;--transition-normal: .2s ease;--transition-slow: .3s ease;--navbar-height: 64px;--sidebar-width: 320px;--board-max-size: min(85vh, 700px);--z-navbar: 100;--z-menu: 200;--z-modal: 300;--z-loading: 400}[data-theme=light]{--bg-primary: #fafafe;--bg-secondary: #f0effe;--bg-tertiary: #e4e0fd;--text-primary: #1a1628;--text-secondary: rgba(26, 22, 40, .8);--text-tertiary: rgba(26, 22, 40, .55);--accent-primary: #7c3aed;--accent-secondary: #5b21b6;--accent-primary-rgb: 124, 58, 237;--accent-cta: #e11d48;--accent-cta-rgb: 225, 29, 72;--color-bg-primary: #f0effe;--color-bg-secondary: #e4e0fd;--color-bg-tertiary: #cfc8fb;--color-text-primary: #1a1628;--color-text-secondary: rgba(26, 22, 40, .7);--color-text-muted: rgba(26, 22, 40, .5);--color-border: rgba(124, 58, 237, .15);--color-border-hover: rgba(124, 58, 237, .3);--color-accent-green: #059669;--color-accent-blue: #2563eb;--color-accent-red: #e11d48;--color-board-dark: #2c5f2d;--color-board-light: #97d077;--color-board-bg: linear-gradient(135deg, #e4e0fd 0%, #f0effe 100%);--shadow-sm: 0 2px 8px rgba(26, 22, 40, .1);--shadow-md: 0 4px 20px rgba(26, 22, 40, .12);--shadow-lg: 0 8px 40px rgba(26, 22, 40, .18);--shadow-glow: 0 0 24px rgba(124, 58, 237, .15)}@media(min-width:1400px){:root{--board-max-size: min(85vh, 750px)}}@media(max-width:1200px){:root{--board-max-size: min(80vh, 650px)}}@media(max-width:768px){:root{--navbar-height: 56px;--sidebar-width: 100%;--board-max-size: min(65vh, calc(100vw - 24px) );--spacing-sm: 6px;--spacing-md: 12px;--spacing-lg: 16px}}@media(max-width:375px){:root{--board-max-size: min(60vh, calc(100vw - 16px) );--spacing-sm: 4px;--spacing-md: 8px;--spacing-lg: 12px}}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-body);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:var(--bg-primary);color:var(--text-primary);overflow-x:hidden}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading)}code,pre,kbd,samp{font-family:var(--font-mono)}#root{min-height:100vh;display:flex;flex-direction:column}.OthelloGame{display:flex;flex-direction:column;min-height:100vh}.game-container{display:flex;justify-content:center;align-items:start;gap:var(--spacing-lg);padding:var(--spacing-lg);flex:1;width:100%;max-width:1600px;margin:0 auto}.board-area{display:flex;justify-content:center;align-items:center;flex:0 0 auto}.sidebar-area{display:flex;flex-direction:column;gap:var(--spacing-md);position:sticky;top:calc(var(--navbar-height) + var(--spacing-lg));flex:0 0 var(--sidebar-width)}@media(max-width:1024px){.sidebar-area{flex:0 0 280px}}@media(max-width:768px){.game-container{flex-direction:column;gap:var(--spacing-md);padding:var(--spacing-md)}.board-area{width:100%}.sidebar-area{position:static;width:100%;flex:1 1 auto}}@media(max-width:480px){.game-container{padding:var(--spacing-sm);gap:var(--spacing-sm)}}.Tile.tile-flip .tile-inner{animation:flipAnimation .6s cubic-bezier(.4,0,.2,1)}.Tile.tile-flip svg{animation:flipPieceVisibility .6s cubic-bezier(.4,0,.2,1)}@keyframes flipAnimation{0%{transform:rotateY(0)}50%{transform:rotateY(90deg) scale(1.1)}to{transform:rotateY(180deg)}}@keyframes flipPieceVisibility{0%{opacity:1}45%{opacity:1}50%{opacity:0}55%{opacity:1}to{opacity:1}}@keyframes glassGlare{0%{left:-50%;opacity:0}1%{opacity:1}10%{left:100%;opacity:1}11%{opacity:0;left:100%}to{left:100%;opacity:0}}@keyframes fadeIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}@keyframes slideIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}@keyframes scoreIncrease{0%{transform:scale(1)}50%{transform:scale(1.3);color:gold;text-shadow:0 0 20px rgba(255,215,0,.8)}to{transform:scale(1)}}@keyframes floatUp{0%{opacity:1;transform:translateY(0) scale(1)}to{opacity:0;transform:translateY(-40px) scale(.8)}}.score-change{animation:scoreIncrease .5s cubic-bezier(.34,1.56,.64,1)}.score-float{animation:floatUp 1s ease-out forwards}