:root{--primary-color: #2563eb;--secondary-color: #f97316;--dark-color: #1e293b;--light-color: #f8fafc;--text-color: #334155;--text-muted: #64748b;--border-color: #e2e8f0;--shadow: 0 4px 6px -1px rgba(0, 0, 0, .1);--shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, .1);--transition: all .3s ease;--border-radius: .5rem;--font-primary: "Inter", sans-serif;--font-secondary: "Playfair Display", serif}[data-theme=dark]{--primary-color: #3b82f6;--secondary-color: #f97316;--dark-color: #0f172a;--light-color: #1e293b;--text-color: #e2e8f0;--text-muted: #94a3b8;--border-color: #334155;--bg-color: #0f172a}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:var(--font-primary);line-height:1.6;color:var(--text-color);background-color:var(--bg-color, #ffffff);overflow-x:hidden}#loading-screen{position:fixed;top:0;left:0;width:100%;height:100%;background:var(--dark-color);display:flex;align-items:center;justify-content:center;z-index:9999;transition:opacity .5s ease}.loading-content{text-align:center;color:#fff}.loading-spinner{width:50px;height:50px;border:3px solid rgba(255,255,255,.3);border-top:3px solid var(--primary-color);border-radius:50%;animation:spin 1s linear infinite;margin:0 auto 20px}.loading-text{font-size:1.1rem;margin:0}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.navbar{background:#1e293bf2!important;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);padding:1rem 0;transition:var(--transition)}.navbar.scrolled{background:var(--dark-color)!important;box-shadow:var(--shadow)}.navbar-brand{font-size:1.5rem;font-weight:700;color:#fff!important}.brand-text{background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.nav-link{color:#ffffffe6!important;font-weight:500;margin:0 .5rem;position:relative;transition:var(--transition)}.nav-link:hover,.nav-link.active{color:var(--primary-color)!important}.nav-link:after{content:"";position:absolute;bottom:-5px;left:0;width:0;height:2px;background:var(--primary-color);transition:width .3s ease}.nav-link:hover:after,.nav-link.active:after{width:100%}.theme-toggle{border:1px solid rgba(255,255,255,.2);transition:var(--transition)}.theme-toggle:hover{background:var(--primary-color);border-color:var(--primary-color)}.hero-section{min-height:100vh;position:relative;display:flex;align-items:center;background:linear-gradient(135deg,#0f172a,#1e293b);color:#fff;overflow:hidden}.hero-background{position:absolute;top:0;left:0;right:0;bottom:0;background:url('data:image/svg+xml,<svg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"><g fill="none" fill-rule="evenodd"><g fill="%23ffffff" fill-opacity="0.05"><circle cx="30" cy="30" r="2"/></g></svg>');animation:backgroundMove 20s ease-in-out infinite}@keyframes backgroundMove{0%,to{transform:translate(0)}50%{transform:translate(-10px,-10px)}}.hero-content{animation:fadeInUp 1s ease}.hero-greeting{font-size:1.2rem;font-weight:500;opacity:0;animation:fadeInUp .8s ease .2s forwards}.hero-title{font-family:var(--font-secondary);font-size:3.5rem;font-weight:700;line-height:1.1;margin-bottom:1rem;opacity:0;animation:fadeInUp .8s ease .4s forwards}.hero-subtitle{font-size:1.8rem;font-weight:600;color:var(--primary-color);margin-bottom:1.5rem;opacity:0;animation:fadeInUp .8s ease .6s forwards}.hero-description{font-size:1.1rem;color:#fffc;line-height:1.8;opacity:0;animation:fadeInUp .8s ease .8s forwards}.hero-buttons{opacity:0;animation:fadeInUp .8s ease 1s forwards}.hero-social{opacity:0;animation:fadeInUp .8s ease 1.2s forwards}.social-link{display:inline-flex;align-items:center;justify-content:center;width:45px;height:45px;background:#ffffff1a;color:#fff;border-radius:50%;text-decoration:none;transition:var(--transition);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.social-link:hover{background:var(--primary-color);color:#fff;transform:translateY(-3px)}.hero-image-container{position:relative;opacity:0;animation:fadeInRight 1s ease .5s forwards}.hero-image{position:relative;max-width:400px;margin:0 auto}.hero-image img{border-radius:20px;filter:brightness(1.1) contrast(1.1);box-shadow:var(--shadow-lg)}.hero-decoration{position:absolute;top:-20px;right:-20px;width:100px;height:100px;background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));border-radius:20px;opacity:.8;z-index:-1;animation:float 3s ease-in-out infinite}.hero-decoration:before{content:"";position:absolute;bottom:-30px;left:-30px;width:80px;height:80px;background:var(--secondary-color);border-radius:50%;opacity:.6;animation:float 3s ease-in-out infinite reverse}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-20px)}}.scroll-indicator{position:absolute;bottom:30px;left:50%;transform:translate(-50%);text-align:center}.scroll-arrow{color:#ffffffb3;font-size:1.5rem;animation:bounce 2s infinite}@keyframes bounce{0%,20%,50%,80%,to{transform:translateY(0)}40%{transform:translateY(-10px)}60%{transform:translateY(-5px)}}.cursor{display:inline-block;background-color:var(--primary-color);margin-left:3px;width:3px;animation:blink 1s infinite}@keyframes blink{0%{opacity:1}50%{opacity:0}to{opacity:1}}.section-padding{padding:100px 0}.section-title{font-family:var(--font-secondary);font-size:2.5rem;font-weight:600;color:var(--dark-color);margin-bottom:1rem;position:relative}[data-theme=dark] .section-title{color:var(--text-color)}.section-divider{width:60px;height:4px;background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));margin:0 auto 2rem;border-radius:2px}.section-description{font-size:1.1rem;color:var(--text-muted);max-width:600px;margin:0 auto}.about-content{padding:2rem 0}.about-subtitle{font-family:var(--font-secondary);font-size:1.8rem;color:var(--dark-color);margin-bottom:1.5rem}[data-theme=dark] .about-subtitle{color:var(--text-color)}.about-text{font-size:1.1rem;line-height:1.8;color:var(--text-muted)}.about-highlights{margin-top:2rem}.highlight-item{display:flex;align-items:center;margin-bottom:.8rem;font-weight:500}.stat-card{background:#fff;padding:2rem 1rem;border-radius:var(--border-radius);box-shadow:var(--shadow);transition:var(--transition);border:1px solid var(--border-color)}[data-theme=dark] .stat-card{background:var(--light-color);border-color:var(--border-color)}.stat-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}.stat-number{font-size:2.5rem;font-weight:700;color:var(--primary-color);line-height:1}.stat-label{font-size:.9rem;color:var(--text-muted);margin-top:.5rem;font-weight:500}.skill-category{background:#fff;padding:2rem;border-radius:var(--border-radius);box-shadow:var(--shadow);height:100%;transition:var(--transition);border:1px solid var(--border-color)}[data-theme=dark] .skill-category{background:var(--light-color);border-color:var(--border-color)}.skill-category:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}.skill-category-header{text-align:center;margin-bottom:2rem}.skill-category-icon{font-size:2.5rem;color:var(--primary-color);margin-bottom:1rem}.skill-category-title{font-size:1.3rem;font-weight:600;color:var(--dark-color)}[data-theme=dark] .skill-category-title{color:var(--text-color)}.skill-item{margin-bottom:1.5rem}.skill-info{display:flex;justify-content:space-between;margin-bottom:.5rem}.skill-name{font-weight:500;color:var(--text-color)}.skill-percentage{font-weight:600;color:var(--primary-color)}.skill-bar{height:8px;background:var(--border-color);border-radius:4px;overflow:hidden}.skill-progress{height:100%;background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));width:0;border-radius:4px;transition:width 1s ease}.portfolio-item{position:relative;overflow:hidden;border-radius:var(--border-radius);box-shadow:var(--shadow);transition:var(--transition);background:#fff}[data-theme=dark] .portfolio-item{background:var(--light-color)}.portfolio-item:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}.portfolio-image{position:relative;overflow:hidden}.portfolio-image img{width:100%;height:250px;object-fit:cover;transition:transform .5s ease}.portfolio-item:hover .portfolio-image img{transform:scale(1.1)}.portfolio-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:#2563ebe6;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s ease}.portfolio-item:hover .portfolio-overlay{opacity:1}.portfolio-content{text-align:center;color:#fff;padding:2rem}.portfolio-title{font-size:1.3rem;font-weight:600;margin-bottom:.5rem}.portfolio-category{font-size:.9rem;opacity:.9;margin-bottom:1.5rem}.portfolio-actions .btn{width:40px;height:40px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;padding:0}.contact-form-container{background:#fff;padding:3rem;border-radius:var(--border-radius);box-shadow:var(--shadow);border:1px solid var(--border-color)}[data-theme=dark] .contact-form-container{background:var(--light-color);border-color:var(--border-color)}.form-control{border:2px solid var(--border-color);border-radius:var(--border-radius);padding:.75rem 1rem;font-size:1rem;transition:var(--transition);background:transparent;color:var(--text-color)}.form-control:focus{border-color:var(--primary-color);box-shadow:0 0 0 .2rem #2563eb40;background:transparent;color:var(--text-color)}.form-control::placeholder{color:var(--text-muted)}.contact-info{text-align:center;padding:2rem 1rem}.contact-icon{width:70px;height:70px;background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.5rem;margin:0 auto 1.5rem;transition:var(--transition)}.contact-info:hover .contact-icon{transform:translateY(-5px)}.contact-info h5{color:var(--dark-color);font-weight:600;margin-bottom:.5rem}[data-theme=dark] .contact-info h5{color:var(--text-color)}.footer{background:var(--dark-color)!important;color:#fff}.footer-social .social-link{width:40px;height:40px;font-size:1rem}.back-to-top{position:fixed;bottom:30px;right:30px;width:50px;height:50px;background:var(--primary-color);color:#fff;border:none;border-radius:50%;font-size:1.2rem;cursor:pointer;transition:var(--transition);opacity:0;visibility:hidden;z-index:1000}.back-to-top.show{opacity:1;visibility:visible}.back-to-top:hover{background:var(--dark-color);transform:translateY(-3px)}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeInRight{0%{opacity:0;transform:translate(30px)}to{opacity:1;transform:translate(0)}}.animate-on-scroll{opacity:0;transform:translateY(30px);transition:all .6s ease}.animate-on-scroll.animated{opacity:1;transform:translateY(0)}.btn{border-radius:var(--border-radius);font-weight:500;transition:var(--transition);position:relative;overflow:hidden}.btn-primary{background:linear-gradient(135deg,var(--primary-color),#1d4ed8);border:none}.btn-primary:hover{background:linear-gradient(135deg,#1d4ed8,var(--primary-color));transform:translateY(-2px);box-shadow:var(--shadow-lg)}.btn-outline-primary{border:2px solid var(--primary-color);color:var(--primary-color)}.btn-outline-primary:hover{background:var(--primary-color);color:#fff;transform:translateY(-2px)}@media (max-width: 768px){.hero-title{font-size:2.5rem}.hero-subtitle{font-size:1.4rem}.section-padding{padding:60px 0}.section-title{font-size:2rem}.contact-form-container{padding:2rem 1.5rem}.hero-image{max-width:300px;margin-top:3rem}.navbar-collapse{background:#1e293bf2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:var(--border-radius);margin-top:1rem;padding:1rem}}@media (max-width: 576px){.hero-title{font-size:2rem}.hero-subtitle{font-size:1.2rem}.hero-buttons .btn{display:block;width:100%;margin-bottom:1rem}.hero-buttons .btn:last-child{margin-bottom:0}.stat-card{padding:1.5rem 1rem}.skill-category{padding:1.5rem}.back-to-top{bottom:20px;right:20px;width:45px;height:45px}}.was-validated .form-control:valid{border-color:#28a745}.was-validated .form-control:invalid{border-color:#dc3545}.invalid-feedback{display:block;color:#dc3545;font-size:.875rem;margin-top:.25rem}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--light-color)}::-webkit-scrollbar-thumb{background:var(--primary-color);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--dark-color)}@media print{.navbar,.back-to-top,.scroll-indicator{display:none!important}.section-padding{padding:30px 0}.hero-section{min-height:auto;padding:30px 0}}