*{margin:0;padding:0;box-sizing:border-box;font-family:Poppins,sans-serif}body{background-color:var(--background-primary);color:var(--text-primary);line-height:1.6;transition:color .3s ease}.container{max-width:1200px;margin:0 auto;padding:0 20px}header{background-color:var(--background-primary);box-shadow:0 2px 10px #0000001a;position:fixed;width:100%;top:0;z-index:1000;transition:background-color var(--transition),box-shadow var(--transition)}.nav-container{display:flex;justify-content:space-between;align-items:center;padding:1rem 0}.logo{font-size:1.5rem;font-weight:700;color:var(--primary-brand)}.logo a{text-decoration:none;color:inherit}.nav-links{display:flex;list-style:none;align-items:center;gap:2rem}.nav-links .theme-toggle-btn{margin-left:1rem}.nav-links li{margin:0}.nav-links a{text-decoration:none;color:var(--text-primary);font-weight:500;transition:var(--transition);position:relative}.nav-links 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#00000026}.profile-decoration{position:absolute;top:-20px;right:-20px;width:100px;height:100px;background:linear-gradient(135deg,var(--primary-brand),var(--background-secondary));border-radius:50%;opacity:.1;z-index:-1}.image-placeholder{width:100%;max-width:350px;height:400px;background:var(--surface-accent);border-radius:20px;display:flex;align-items:center;justify-content:center;color:var(--text-secondary);font-size:1.1rem}.about-text{max-width:600px}.about-text h3{font-size:2rem;margin-bottom:1.5rem;color:var(--text-primary);line-height:1.3}.highlight{color:var(--primary-brand)}.about-text p{margin-bottom:1.5rem;color:var(--text-secondary);line-height:1.8;font-size:1.1rem}.about-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem;margin:2rem 0 3rem;padding:2rem;background:var(--background-secondary);border-radius:12px;border:1px solid var(--surface-accent)}.about-stats .stat-item{text-align:center}.about-stats .stat-number{display:block;font-size:2.2rem;font-weight:700;color:var(--primary-brand);line-height:1;margin-bottom:.5rem}.about-stats .stat-label{font-size:.9rem;color:var(--text-secondary);font-weight:500;text-transform:uppercase;letter-spacing:.5px}@media (max-width: 768px){.about-content{grid-template-columns:1fr;gap:2rem;text-align:center}.about-img{order:-1}.about-stats{grid-template-columns:1fr;gap:1rem;padding:1.5rem}.about-text h3{font-size:1.8rem}}.skills{padding:5rem 0;background-color:var(--background-primary);transition:background-color var(--transition)}.skills-container{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;max-width:1200px;margin:0 auto}.skill-category{background:var(--background-primary);padding:2rem;border-radius:16px;box-shadow:0 8px 25px #00000014;transition:all var(--transition);position:relative;overflow:hidden}.skill-category:before{content:"";position:absolute;top:0;left:0;width:100%;height:4px;background:linear-gradient(90deg,var(--primary-brand),var(--text-primary))}.skill-category:hover{transform:translateY(-5px);box-shadow:0 15px 35px #0000001f}.skill-category h3{margin-bottom:1.5rem;color:var(--text-primary);display:flex;align-items:center;gap:.75rem;font-size:1.2rem;font-weight:600}.skill-category h3 i{font-size:1.3rem;transition:transform .3s ease}.skill-list{list-style:none;padding:0;margin:0}.skill-item{padding:.75rem 0;border-bottom:1px solid var(--surface-accent);display:flex;align-items:center;gap:.75rem;position:relative;transition:all .3s ease;border-radius:8px;margin-bottom:.5rem}.skill-item:last-child{border-bottom:none;margin-bottom:0}.skill-bullet{width:8px;height:8px;border-radius:50%;flex-shrink:0;transition:all .3s ease}.skill-name{flex:1;color:var(--text-secondary);font-weight:500;font-size:.95rem;transition:color .3s ease}.skill-item:hover .skill-name{color:var(--text-primary)}.skill-level{position:absolute;bottom:0;left:0;height:2px;border-radius:1px;transition:all .8s ease}@media (max-width: 768px){.skills-container{grid-template-columns:1fr;gap:1.5rem}.skill-category{padding:1.5rem}}.projects{padding:5rem 0;background-color:var(--background-primary);transition:background-color var(--transition)}.project-filters{display:flex;justify-content:center;flex-wrap:wrap;gap:1rem;margin-bottom:3rem}.filter-btn{padding:.75rem 1.5rem;border:2px solid var(--surface-accent);background:var(--background-primary);color:var(--text-secondary);border-radius:25px;font-weight:500;cursor:pointer;transition:all .3s 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#0000001f}.project-img{width:100%;object-fit:cover;background-color:var(--background-secondary);display:flex;aspect-ratio:1;font-size:3.5rem;transition:all var(--transition);position:relative;box-shadow:0 4px 15px #0000001a;border-bottom:1px solid var(--surface-accent)}.project-image{display:block;width:100%;height:100%;object-fit:contain;max-width:100%;max-height:100%;transition:transform .3s ease;padding:20px}.project-card:hover .project-image{transform:scale(1.05)}.project-icon-container{display:flex;align-items:center;justify-content:center;width:100%;height:100%;background:linear-gradient(135deg,var(--surface-accent),var(--background-secondary))}.status-badge.live{background:#f5e6d3;color:#8b6b3c;border:1px solid #E8D5B7}.status-badge.development{background:#6b8e231a;color:#6b8e23;border:1px solid rgba(107,142,35,.2)}.status-badge.completed{background:#5a626814;color:#5a6268;border:1px solid rgba(90,98,104,.15)}.title-status-badge{display:inline-block;margin-left:.75rem;vertical-align:middle;font-size:.7rem;padding:.3rem .6rem;border-radius:15px;background:var(--background-secondary);color:var(--text-secondary);border:1px solid var(--surface-accent)}.title-status-badge.live{background:#f5e6d3;color:#8b6b3c;border:1px solid #E8D5B7}.title-status-badge.development{background:#6b8e231a;color:#6b8e23;border:1px solid rgba(107,142,35,.2)}.title-status-badge.completed{background:#5a626814;color:#5a6268;border:1px solid rgba(90,98,104,.15)}.project-content{padding:1.5rem}.project-content h3{margin-bottom:.75rem;color:var(--text-primary);font-size:1.25rem;font-weight:600;display:flex;align-items:center;gap:.5rem}.featured-badge{font-size:1rem}.project-content p{color:var(--text-secondary);margin-bottom:1rem;line-height:1.6;font-size:.95rem;min-height:60px}.project-tags{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1.5rem}.tag{background:rgba(var(--primary-brand),.1);color:var(--primary-brand);padding:.4rem .8rem;border-radius:20px;font-size:.8rem;font-weight:500;transition:all .3s ease;border:1px solid rgba(var(--primary-brand),.2)}.tag:hover{background:var(--primary-brand);color:#fff;transform:translateY(-1px)}.project-links{display:flex;gap:1rem}.project-link{flex:1;padding:.75rem 1rem;border:2px solid var(--primary-brand);background:transparent;color:var(--primary-brand);text-decoration:none;font-weight:600;display:flex;align-items:center;justify-content:center;gap:.5rem;border-radius:8px;transition:all .3s 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.timeline-content{border-left:4px solid var(--primary-brand)}.timeline-item.competition .timeline-content{border-left:4px solid var(--warning-color)}.timeline-item.education .timeline-content{border-left:4px solid var(--success-color)}.experience-header{margin-bottom:1rem}.timeline-content h3{margin-bottom:.5rem;color:var(--text-primary);font-size:1.3rem;font-weight:600}.experience-meta{display:flex;flex-direction:column;gap:.25rem;margin-bottom:1rem}.company{font-weight:600;font-size:1rem}.period{color:var(--text-secondary);font-size:.9rem;font-weight:500}.experience-description{color:var(--text-secondary);line-height:1.7;margin-bottom:1.5rem;font-size:.95rem}.achievements{margin-bottom:1.5rem}.achievements h4{color:var(--text-primary);font-size:1rem;margin-bottom:.75rem;font-weight:600}.achievements ul{list-style:none;padding:0;margin:0}.achievements li{display:flex;align-items:flex-start;gap:.75rem;margin-bottom:.5rem;color:var(--text-secondary);font-size:.9rem;line-height:1.6}.achievement-bullet{width:6px;height:6px;border-radius:50%;margin-top:.5rem;flex-shrink:0;transition:transform .3s ease}.experience-skills{display:flex;flex-wrap:wrap;gap:.5rem}.skill-tag{padding:.4rem .8rem;border:1px solid;border-radius:20px;font-size:.8rem;font-weight:500;transition:all .3s ease;cursor:pointer}@media (max-width: 768px){.timeline-line{left:30px}.timeline-item{width:calc(100% - 80px);left:80px!important;text-align:left;margin-bottom:2rem}.timeline-marker{left:-25px!important;right:auto!important;width:50px;height:50px;font-size:1.2rem}.timeline-content{padding:1.5rem}.experience-meta{margin-bottom:.75rem}}.contact-container{display:grid;grid-template-columns:1fr 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1.5rem;border-radius:8px;text-decoration:none;font-weight:600;transition:var(--transition);display:inline-flex;align-items:center;justify-content:center;gap:.5rem;border:none;cursor:pointer;font-size:1rem;font-family:inherit;min-width:120px}.btn:disabled{opacity:.6;cursor:not-allowed;transform:none!important}.btn-primary{background-color:var(--primary-brand);color:#fff;border:2px solid var(--primary-brand)}.btn-primary:hover:not(:disabled){background-color:var(--text-primary);transform:translateY(-1px);box-shadow:0 4px 12px rgba(var(--primary-brand),.3)}.btn-secondary{background-color:transparent;color:var(--primary-brand);border:2px solid var(--primary-brand)}.btn-secondary:hover:not(:disabled){background-color:rgba(var(--primary-brand),.1);transform:translateY(-1px)}@media (max-width: 768px){.contact-container{grid-template-columns:1fr;gap:2rem}.contact-form{padding:1.5rem}.contact-item{padding:1rem}.contact-icon{width:50px;height:50px;font-size:1.2rem}}footer{background-color:var(--background-primary);color:var(--text-primary);padding:3rem 0 1.5rem;transition:background-color .3s ease,color .3s ease}.footer-content{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem}.social-links{display:flex;gap:1rem}.social-links a{color:var(--text-primary);font-size:1.5rem;transition:.3s ease}.social-links a:hover{color:var(--primary-brand)}.copyright{text-align:center;padding-top:1.5rem;border-top:1px solid var(--surface-accent);font-size:.9rem;color:var(--text-secondary)}@media (max-width: 768px){.nav-links{display:none}.mobile-menu-btn{display:block}.hero 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.skill-tag{background:rgba(var(--primary-brand),.1);color:var(--primary-brand);padding:.4rem .8rem;border-radius:20px;font-size:.8rem;font-weight:500;transition:all .3s ease;border:1px solid rgba(var(--primary-brand),.2)}.certificate-card .skill-tag:hover{background:var(--primary-brand);color:#fff;transform:translateY(-1px)}.view-certificate-btn{width:100%;padding:.875rem;background:var(--primary-brand);color:#fff;border:none;border-radius:8px;font-weight:600;cursor:pointer;transition:all .3s ease;display:flex;align-items:center;justify-content:center;gap:.5rem;font-size:.95rem}.view-certificate-btn:hover{background:var(--primary-brand-dark);transform:translateY(-1px)}.no-certificates{text-align:center;padding:4rem 2rem;color:var(--text-secondary)}.no-certificates i{font-size:4rem;margin-bottom:1rem;opacity:.5}.no-certificates h3{font-size:1.5rem;margin-bottom:.5rem;color:var(--text-primary)}.certificates-summary{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem;max-width:600px;margin:4rem auto 0;padding:2rem;background:var(--background-secondary);border-radius:16px;border:1px solid var(--surface-accent)}.summary-item{text-align:center}.summary-number{display:block;font-size:2.5rem;font-weight:700;color:var(--primary-brand);line-height:1;margin-bottom:.5rem}.summary-label{font-size:.9rem;color:var(--text-secondary);font-weight:500;text-transform:uppercase;letter-spacing:.5px}footer{background:linear-gradient(135deg,var(--background-secondary) 0%,var(--background-primary) 100%);color:var(--text-primary);padding:4rem 0 2rem;position:relative;overflow:hidden}.footer-main{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:3rem;margin-bottom:3rem}.footer-section 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768px){.footer-main{grid-template-columns:1fr;gap:2rem;text-align:center}.footer-contact-info{align-items:center}.footer-copyright{flex-direction:column;text-align:center}.certificates-grid{grid-template-columns:1fr}.category-filters{flex-direction:column;align-items:center}.category-btn{min-width:200px;justify-content:center}.certificate-card{padding:1.5rem}.certificates-summary{grid-template-columns:1fr;gap:1rem;padding:1.5rem}}.btn-icon{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:all .3s ease}.btn-icon:hover{background-color:rgba(var(--primary-brand),.1)}.hobby-section{padding:80px 0}.hobby-content{max-width:800px;margin:0 auto;padding:0 20px}.hobby-content h3{text-align:center;font-size:2rem;color:#34495e;margin-bottom:10px}.hobby-description{text-align:center;color:#7f8c8d;margin-bottom:30px;font-size:1.1rem}.search-container{margin-bottom:30px;text-align:center}.search-input{width:100%;max-width:400px;padding:12px 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.audio-number{background:#fff3;color:#fff}.audio-name{font-weight:500;font-size:.95rem}.play-button{background:#be7b2a;color:#fff;border:none;width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .3s ease;font-size:.8rem}.play-button:hover{background:#e67e22;transform:scale(1.1)}.play-button.playing{background:#e74c3c}.current-player-inline{background:#fff;padding:20px;border-radius:10px;box-shadow:0 4px 15px #0000001a;margin:5px 0;border-left:4px solid #be7b2a;animation:slideDown .3s ease-out}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.now-playing h4{color:#2c3e50;margin-bottom:5px;font-size:1.1rem;text-align:center}.current-song-name{color:#be7b2a;font-weight:600;font-size:1rem;margin-bottom:15px;text-align:center}.audio-player{width:100%;max-width:500px;margin:0 auto}.audio-stats{text-align:center;color:#7f8c8d;font-size:.9rem}.singing-list::-webkit-scrollbar{width:8px}.singing-list::-webkit-scrollbar-track{background:#f1f1f1;border-radius:4px}.singing-list::-webkit-scrollbar-thumb{background:#be7b2a;border-radius:4px}.singing-list::-webkit-scrollbar-thumb:hover{background:#e67e22}@media (max-width: 768px){.hobby-section{padding:60px 0}.section-title{font-size:2rem}.hobby-content h3{font-size:1.5rem}.audio-item{padding:10px 15px}.audio-name{font-size:.9rem}.current-player-inline{padding:15px}}:root{--background-primary: #FDF8F0;--background-secondary: #F5E6D3;--primary-brand: #6B8E23;--text-primary: #36454F;--text-secondary: #5A6268;--surface-accent: #E0E0E0;--white: #FFFFFF;--black: #000000;--error-color: #DC3545}[data-theme=dark]{--background-primary: #1A1A2E;--background-secondary: #16213E;--primary-brand: #E94560;--text-primary: #E0E0E0;--text-secondary: #B0B0B0;--surface-accent: #303040;--white: #FFFFFF;--black: #000000;--error-color: #FF6B6B}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;padding:0;font-family:Inter,Segoe UI,Tahoma,Geneva,Verdana,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.6;background-color:var(--background-primary);color:var(--text-primary);transition:background-color var(--transition),color var(--transition)}*:focus{outline:2px solid var(--primary-brand);outline-offset:2px}.skip-to-main{position:absolute;left:-9999px;z-index:999;padding:8px 16px;background-color:var(--primary-brand);color:#fff;text-decoration:none;border-radius:0 0 4px}.skip-to-main:focus{left:0;top:0}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.loading-spinner{display:inline-block;width:20px;height:20px;border:3px solid rgba(255,255,255,.3);border-radius:50%;border-top-color:#fff;animation:spin 1s ease-in-out infinite}@keyframes spin{to{transform:rotate(360deg)}}.error-boundary{padding:2rem;text-align:center;background-color:var(--background-secondary);border-radius:8px;margin:2rem}.error-boundary h2{color:#ef4444;margin-bottom:1rem}.error-boundary p{color:var(--text-secondary)}