*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color: #4a90e2;--primary-hover: #357abd;--text-primary: #2c3e50;--text-secondary: #5a6c7d;--text-light: #8b9dc3;--bg-primary: #e6ebf0;--bg-secondary: #dce4ec;--shadow-light: #ffffff;--shadow-dark: #b8c5d1;--border-radius: 20px;--border-radius-small: 12px;--transition: all .3s ease}[data-theme=dark]{--primary-color: #5aa3f0;--primary-hover: #4a90e2;--text-primary: #e8eef5;--text-secondary: #b0bcc9;--text-light: #6b7d8f;--bg-primary: #2c3e50;--bg-secondary: #34495e;--shadow-light: #3a4d63;--shadow-dark: #1e2a3a}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.6;color:var(--text-primary);background-color:var(--bg-primary);transition:var(--transition)}.neu-outset{background:var(--bg-primary);box-shadow:8px 8px 16px var(--shadow-dark),-8px -8px 16px var(--shadow-light)}.neu-inset{background:var(--bg-primary);box-shadow:inset 8px 8px 16px var(--shadow-dark),inset -8px -8px 16px var(--shadow-light)}.neu-flat{background:var(--bg-primary);box-shadow:4px 4px 8px var(--shadow-dark),-4px -4px 8px var(--shadow-light)}.neu-pressed{background:var(--bg-primary);box-shadow:inset 4px 4px 8px var(--shadow-dark),inset -4px -4px 8px var(--shadow-light)}.container{max-width:1200px;margin:0 auto;padding:0 2rem}.navbar{background:var(--bg-primary);position:fixed;top:0;width:100%;z-index:1000;padding:1rem 0}.nav-container{max-width:1200px;margin:0 auto;padding:0 2rem;display:flex;justify-content:space-between;align-items:center;background:var(--bg-primary);border-radius:var(--border-radius);box-shadow:6px 6px 12px var(--shadow-dark),-6px -6px 12px var(--shadow-light);padding:1rem 2rem}.nav-logo a{font-size:1.5rem;font-weight:700;color:var(--text-primary);text-decoration:none}.nav-menu{display:flex;gap:2rem;align-items:center}.nav-link{color:var(--text-secondary);text-decoration:none;font-weight:500;padding:.5rem 1rem;border-radius:var(--border-radius-small);transition:var(--transition)}.nav-link:hover,.nav-link.active{color:var(--primary-color);background:var(--bg-primary);box-shadow:inset 3px 3px 6px var(--shadow-dark),inset -3px -3px 6px var(--shadow-light)}.theme-toggle{background:var(--bg-primary);border:none;border-radius:50%;width:50px;height:50px;cursor:pointer;display:flex;align-items:center;justify-content:center;color:var(--text-primary);margin-left:1rem;transition:var(--transition);box-shadow:6px 6px 12px var(--shadow-dark),-6px -6px 12px var(--shadow-light)}.theme-toggle:hover{box-shadow:inset 3px 3px 6px var(--shadow-dark),inset -3px -3px 6px var(--shadow-light)}.theme-toggle:active{box-shadow:inset 6px 6px 12px var(--shadow-dark),inset -6px -6px 12px var(--shadow-light)}.theme-toggle svg{width:20px;height:20px}.theme-toggle .sun-icon{display:none}[data-theme=dark] .theme-toggle .sun-icon{display:block}[data-theme=dark] .theme-toggle .moon-icon{display:none}.nav-toggle{display:none;flex-direction:column;cursor:pointer;background:var(--bg-primary);border:none;border-radius:var(--border-radius-small);padding:.5rem;box-shadow:4px 4px 8px var(--shadow-dark),-4px -4px 8px var(--shadow-light)}.bar{width:24px;height:3px;background:var(--text-primary);margin:3px 0;border-radius:2px;transition:var(--transition)}.main-content{margin-top:120px}.hero{min-height:80vh;display:flex;align-items:center;padding:4rem 0}.hero-content{max-width:1200px;margin:0 auto;padding:0 2rem;display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center}.hero-text{background:var(--bg-primary);padding:3rem;border-radius:var(--border-radius);box-shadow:12px 12px 24px var(--shadow-dark),-12px -12px 24px var(--shadow-light)}.hero-text h1{font-size:3rem;font-weight:800;line-height:1.2;margin-bottom:1rem;color:var(--text-primary)}.highlight{color:var(--primary-color);text-shadow:0 0 20px rgba(74,144,226,.3)}.hero-subtitle{font-size:1.4rem;color:var(--text-secondary);margin-bottom:1.5rem;font-weight:500}.hero-description{font-size:1.1rem;color:var(--text-secondary);margin-bottom:2rem;line-height:1.7}.hero-buttons{display:flex;gap:1.5rem;flex-wrap:wrap}.btn{display:inline-block;padding:15px 30px;border-radius:var(--border-radius);text-decoration:none;font-weight:600;font-size:1rem;transition:var(--transition);border:none;cursor:pointer}.btn-primary{background:var(--primary-color);color:#fff;box-shadow:8px 8px 16px #4a90e233,-8px -8px 16px #ffffff1a}.btn-primary:hover{box-shadow:var(--neuro-shadow-pressed);transform:scale(.98)}.btn-secondary{background:var(--bg-primary);color:var(--primary-color);box-shadow:8px 8px 16px var(--shadow-dark),-8px -8px 16px var(--shadow-light)}.btn-secondary:hover{box-shadow:var(--neuro-shadow-pressed);transform:scale(.98)}.hero-visual{display:flex;justify-content:center;align-items:center}.threejs-container{width:100%;height:400px;border-radius:var(--border-radius);background:var(--bg-primary);box-shadow:inset 12px 12px 24px var(--shadow-dark),inset -12px -12px 24px var(--shadow-light)}.placeholder-3d{display:flex;flex-direction:column;justify-content:center;align-items:center;height:100%;color:var(--text-light)}.placeholder-cube{width:80px;height:80px;background:var(--bg-primary);border-radius:var(--border-radius-small);margin-bottom:1.5rem;animation:float 4s ease-in-out infinite;box-shadow:8px 8px 16px var(--shadow-dark),-8px -8px 16px var(--shadow-light)}@keyframes float{0%,to{transform:translateY(0) rotateX(0) rotateY(0)}50%{transform:translateY(-15px) rotateX(10deg) rotateY(10deg)}}section{padding:4rem 0}section:nth-child(2n){background:var(--bg-secondary)}h2{font-size:2.5rem;font-weight:700;color:var(--text-primary);margin-bottom:3rem;text-align:center}.about{background:var(--bg-secondary)}.about-content{display:grid;grid-template-columns:2fr 1fr;gap:3rem;align-items:center;background:var(--bg-primary);padding:3rem;border-radius:var(--border-radius);box-shadow:12px 12px 24px var(--shadow-dark),-12px -12px 24px var(--shadow-light)}.about-text p{font-size:1.1rem;color:var(--text-secondary);margin-bottom:1.5rem;line-height:1.7}.about-image{text-align:center}.profile-image{width:200px;height:200px;border-radius:50%;object-fit:cover;box-shadow:inset 8px 8px 16px var(--shadow-dark),inset -8px -8px 16px var(--shadow-light),8px 8px 16px var(--shadow-dark),-8px -8px 16px var(--shadow-light)}.skills-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:2rem;margin-top:2rem}.skill-category{background:var(--bg-primary);padding:2rem;border-radius:var(--border-radius);transition:var(--transition);box-shadow:12px 12px 24px var(--shadow-dark),-12px -12px 24px var(--shadow-light)}.skill-category h3{font-size:1.3rem;color:var(--text-primary);margin-bottom:1.5rem;font-weight:600;text-align:center}.skill-category ul{list-style:none}.skill-category li{padding:.75rem 1rem;color:var(--text-secondary);margin-bottom:.5rem;border-radius:var(--border-radius-small);background:var(--bg-primary);box-shadow:inset 4px 4px 8px var(--shadow-dark),inset -4px -4px 8px var(--shadow-light);font-weight:500}.quick-links{background:var(--bg-secondary)}.links-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;margin-top:2rem}.link-card{background:var(--bg-primary);padding:2rem;border-radius:var(--border-radius);text-decoration:none;display:block;transition:var(--transition);box-shadow:12px 12px 24px var(--shadow-dark),-12px -12px 24px var(--shadow-light)}.card:hover:before{transform:scaleX(1)}.card:hover{transform:translateY(-3px);box-shadow:8px 8px 16px var(--neuro-shadow-dark),-8px -8px 16px var(--neuro-shadow-light)}.link-card:hover:before{transform:scaleX(1)}.link-card:hover{transform:translateY(-3px);box-shadow:8px 8px 16px var(--neuro-shadow-dark),-8px -8px 16px var(--neuro-shadow-light)}.link-card h3{font-size:1.3rem;color:var(--text-primary);margin-bottom:1rem;font-weight:600}.link-card p{color:var(--text-secondary);font-size:1rem;line-height:1.6}.footer{background:var(--bg-primary);padding:3rem 0;text-align:center}.footer .container{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem;background:var(--bg-primary);padding:2rem;border-radius:var(--border-radius);box-shadow:inset 8px 8px 16px var(--shadow-dark),inset -8px -8px 16px var(--shadow-light)}.footer-links{display:flex;gap:2rem}.footer-links a{color:var(--text-secondary);text-decoration:none;font-size:1rem;font-weight:500;padding:.5rem 1rem;border-radius:var(--border-radius-small);transition:var(--transition)}.footer-links a:hover{color:var(--primary-color);background:var(--bg-primary);box-shadow:inset 3px 3px 6px var(--shadow-dark),inset -3px -3px 6px var(--shadow-light)}@media (max-width: 768px){.container{padding:0 1rem}.nav-container{padding:1rem}.nav-menu{position:fixed;left:-100%;top:100px;flex-direction:column;background-color:var(--bg-primary);width:calc(100% - 2rem);margin:0 1rem;text-align:center;transition:var(--transition);padding:2rem;border-radius:var(--border-radius);box-shadow:12px 12px 24px var(--shadow-dark),-12px -12px 24px var(--shadow-light)}.nav-menu.active{left:0}.nav-toggle{display:flex}.nav-toggle.active .bar:nth-child(1){transform:rotate(-45deg) translate(-5px,6px)}.nav-toggle.active .bar:nth-child(2){opacity:0}.nav-toggle.active .bar:nth-child(3){transform:rotate(45deg) translate(-5px,-6px)}.hero-content{grid-template-columns:1fr;gap:2rem;text-align:center}.hero-text{padding:2rem}.hero-text h1{font-size:2.5rem}.hero-subtitle{font-size:1.2rem}.about-content{grid-template-columns:1fr;text-align:center;padding:2rem}.skills-grid,.links-grid{grid-template-columns:1fr}.footer .container{flex-direction:column;text-align:center}.threejs-container{height:300px}section{padding:3rem 0}h2{font-size:2rem}}@media (max-width: 480px){.hero-text{padding:1.5rem}.hero-text h1{font-size:2rem}.btn{padding:12px 24px;font-size:.9rem}.profile-image{width:150px;height:150px}.skill-category,.link-card,.about-content{padding:1.5rem}}.nav-toggle.active .bar:nth-child(1){transform:rotate(45deg) translate(5px,5px)}.nav-toggle.active .bar:nth-child(2){opacity:0}.nav-toggle.active .bar:nth-child(3){transform:rotate(-45deg) translate(7px,-6px)}.mobile-menu-overlay{position:fixed;top:0;left:0;width:100%;height:100vh;background:#00000080;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);z-index:999;opacity:0;visibility:hidden;transition:var(--transition)}.mobile-menu-overlay.active{opacity:1;visibility:visible}.mobile-menu{position:fixed;top:0;right:-100%;width:300px;height:100vh;background:var(--bg-primary);z-index:1000;transition:var(--transition);padding:2rem;box-shadow:-10px 0 30px var(--shadow-dark),10px 0 30px var(--shadow-light)}.mobile-menu.active{right:0}.mobile-menu-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:3rem;padding-top:1rem}.mobile-logo a{font-size:1.3rem;font-weight:700;color:var(--text-primary);text-decoration:none}.mobile-close{background:var(--bg-primary);border:none;border-radius:50%;width:40px;height:40px;cursor:pointer;display:flex;align-items:center;justify-content:center;color:var(--text-primary);transition:var(--transition);box-shadow:4px 4px 8px var(--shadow-dark),-4px -4px 8px var(--shadow-light)}.mobile-close:hover{box-shadow:inset 3px 3px 6px var(--shadow-dark),inset -3px -3px 6px var(--shadow-light)}.mobile-nav-links{display:flex;flex-direction:column;gap:1rem}.mobile-nav-link{color:var(--text-secondary);text-decoration:none;font-weight:500;padding:1rem 1.5rem;border-radius:var(--border-radius-small);transition:var(--transition);background:var(--bg-primary);box-shadow:6px 6px 12px var(--shadow-dark),-6px -6px 12px var(--shadow-light);text-align:center}.mobile-nav-link:hover,.mobile-nav-link.active{color:var(--primary-color);box-shadow:inset 4px 4px 8px var(--shadow-dark),inset -4px -4px 8px var(--shadow-light)}.mobile-theme-toggle{margin-top:2rem;display:flex;justify-content:center}.mobile-theme-toggle .theme-toggle{margin-left:0}@media (max-width: 768px){.nav-menu{display:none}.nav-toggle{display:flex}}@media (max-width: 480px){.mobile-menu{width:100%;right:-100%}}