*{margin:0;padding:0;box-sizing:border-box}:root{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;line-height:1.6;font-weight:400;color-scheme:light;color:#1a202c;background-color:#fff;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;--bg-primary: #ffffff;--bg-secondary: #f7fafc;--bg-tertiary: #edf2f7;--text-primary: #1a202c;--text-secondary: #2d3748;--text-tertiary: #4a5568;--border-color: #e2e8f0;--card-bg: #ffffff;--shadow: rgba(0, 0, 0, .1)}[data-theme=dark]{color-scheme:dark;--bg-primary: #1a202c;--bg-secondary: #2d3748;--bg-tertiary: #4a5568;--text-primary: #f7fafc;--text-secondary: #e2e8f0;--text-tertiary: #cbd5e0;--border-color: #4a5568;--card-bg: #2d3748;--shadow: rgba(0, 0, 0, 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.header.scrolled{background:#1a202cfa;box-shadow:0 4px 20px #0000004d}[data-theme=dark] .nav a{color:#e2e8f0}[data-theme=dark] .nav a:hover{color:#667eea}[data-theme=dark] .menu-toggle span{background:#e2e8f0;transition:background .3s ease}[data-theme=dark] .nav{background:#1a202cfa;transition:background .3s ease}[data-theme=dark] .theme-toggle{border-color:#667eea}@media (max-width: 768px){.menu-toggle{display:flex}.header-container{padding:1rem 1.5rem}.nav{position:fixed;top:70px;left:0;right:0;background:#fffffffa;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);padding:2rem;transform:translate(-100%);transition:transform .3s ease,background .3s ease,box-shadow .3s ease;box-shadow:0 4px 20px #0000001a}.nav.active{transform:translate(0)}.nav ul{flex-direction:column;gap:1.5rem}.theme-toggle{width:40px;height:40px;font-size:1.2rem}.logo h2{font-size:1.25rem}[data-theme=dark] .nav{background:#1a202cfa;box-shadow:0 4px 20px #0000004d}}@media (max-width: 380px){.header-container{padding:.875rem 1rem}.logo h2{font-size:1.125rem}.theme-toggle{width:38px;height:38px;font-size:1.1rem}.nav{padding:1.5rem}}.hero{min-height:100vh;display:flex;align-items:center;justify-content:center;position:relative;padding:6rem 2rem 4rem;background:linear-gradient(135deg,#f5f7fa,#c3cfe2);overflow:hidden;transition:background .3s ease}[data-theme=dark] .hero{background:linear-gradient(135deg,#1a202c,#2d3748)}.hero:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 20% 50%,rgba(102,126,234,.1) 0%,transparent 50%),radial-gradient(circle at 80% 80%,rgba(118,75,162,.1) 0%,transparent 50%);pointer-events:none}.hero-content{max-width:1200px;display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center;position:relative;z-index:1}.hero-text{animation:fadeInUp 1s 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2rem;background:var(--bg-primary);transition:background .3s ease}[data-theme=dark] .about{background:#1a202c}.container{max-width:1200px;margin:0 auto}.section-title{font-size:2.5rem;font-weight:700;text-align:center;margin-bottom:1rem;color:#1a202c;position:relative;display:inline-block;left:50%;transform:translate(-50%)}.section-title:after{content:"";position:absolute;bottom:-10px;left:50%;transform:translate(-50%);width:60px;height:4px;background:linear-gradient(135deg,#667eea,#764ba2);border-radius:2px}.about-content{display:grid;grid-template-columns:1fr 1.5fr;gap:4rem;margin-top:4rem;align-items:center}.about-image{position:relative}.image-wrapper{position:relative;border-radius:20px;overflow:hidden;box-shadow:0 20px 60px #00000026}.image-wrapper:before{content:"";position:absolute;inset:-2px;background:linear-gradient(135deg,#667eea,#764ba2);border-radius:20px;z-index:-1}.image-wrapper img{width:100%;height:auto;display:block;border-radius:20px}.about-text h3{font-size:1.75rem;color:var(--text-primary);margin-bottom:1.5rem;font-weight:600}.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;padding:1.5rem;background:linear-gradient(135deg,#f5f7fa,#e8edf4);border-radius:15px;transition:transform .3s ease,background .3s ease}[data-theme=dark] .stat{background:linear-gradient(135deg,#2d3748,#374151)}.stat:hover{transform:translateY(-5px)}.stat h4{font-size:2.5rem;font-weight:700;background:linear-gradient(135deg,#667eea,#764ba2);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:.5rem}.stat p{font-size:.95rem;color:var(--text-tertiary);margin:0}@media (max-width: 968px){.about-content{grid-template-columns:1fr;gap:3rem}.about-stats{grid-template-columns:1fr;gap:1.5rem}}@media (max-width: 640px){.about{padding:4rem 1rem}.section-title{font-size:2rem}.about-content{gap:2rem;margin-top:2rem}.about-text h3{font-size:1.5rem}.about-text p{font-size:1rem}.about-stats{margin-top:2rem}.stat{padding:1.25rem}.stat h4{font-size:2rem}.stat p{font-size:.875rem}}@media (max-width: 380px){.about{padding:3rem .75rem}.section-title{font-size:1.75rem}.about-text h3{font-size:1.25rem}.about-text p{font-size:.95rem}.stat h4{font-size:1.75rem}}.experience{padding:6rem 2rem;background:var(--bg-primary);transition:background .3s ease}[data-theme=dark] .experience{background:#1a202c}.experience-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(450px,1fr));gap:4rem;margin-top:4rem}.experience-column{position:relative}.column-title{font-size:1.75rem;color:var(--text-primary);margin-bottom:2rem;display:flex;align-items:center;gap:.75rem;font-weight:600}.title-icon{font-size:2rem}.timeline{position:relative;padding-left:2rem}.timeline:before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:linear-gradient(180deg,#667eea,#764ba2);border-radius:2px}.timeline-item{position:relative;padding-bottom:2.5rem;display:flex;gap:1.5rem}.timeline-item:last-child{padding-bottom:0}.timeline-icon{position:absolute;left:-2rem;width:3rem;height:3rem;background:var(--bg-primary);border:3px solid #667eea;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.25rem;z-index:1;transform:translate(-50%);transition:background .3s ease}.timeline-content{flex:1;background:linear-gradient(135deg,#f5f7fa,#e8edf4);padding:1.5rem;border-radius:12px;box-shadow:0 4px 15px #0000000d;transition:transform .3s ease,box-shadow .3s ease,background .3s ease}[data-theme=dark] .timeline-content{background:linear-gradient(135deg,#2d3748,#374151);box-shadow:0 4px 15px #0000004d}.timeline-content:hover{transform:translate(5px);box-shadow:0 8px 25px #0000001a}[data-theme=dark] .timeline-content:hover{box-shadow:0 8px 25px #0006}.timeline-period{display:inline-block;padding:.375rem .875rem;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border-radius:20px;font-size:.875rem;font-weight:600;margin-bottom:.75rem}.timeline-content h4{font-size:1.25rem;color:var(--text-primary);margin-bottom:.5rem;font-weight:600}.institution{color:#667eea;font-weight:600;margin-bottom:.5rem;display:block}[data-theme=dark] .institution{color:#a5b4fc}.description{color:var(--text-secondary);line-height:1.6;margin-top:.75rem;font-size:.95rem}.status{display:inline-block;padding:.25rem .75rem;border-radius:15px;font-size:.75rem;font-weight:600;margin-top:.75rem}.status.completed{background:#48bb78;color:#fff}.status.in-progress{background:#f6ad55;color:#fff;animation:pulse 2s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.7}}.achievements{margin-top:5rem;text-align:center}.achievements h3{font-size:1.75rem;color:var(--text-primary);margin-bottom:2.5rem;font-weight:600}.achievement-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:2rem}.achievement-card{background:linear-gradient(135deg,#f5f7fa,#e8edf4);padding:2rem 1.5rem;border-radius:15px;box-shadow:0 10px 30px #0000000d;transition:transform .3s ease,box-shadow .3s ease,background .3s ease}[data-theme=dark] .achievement-card{background:linear-gradient(135deg,#2d3748,#374151);box-shadow:0 10px 30px #0000004d}.achievement-card:hover{transform:translateY(-10px);box-shadow:0 15px 40px #0000001a}[data-theme=dark] .achievement-card:hover{box-shadow:0 15px 40px #0006}.achievement-icon{font-size:3rem;display:block;margin-bottom:1rem}.achievement-card h4{font-size:1.25rem;color:var(--text-primary);margin-bottom:.5rem;font-weight:600}.achievement-card p{color:var(--text-tertiary);font-size:.95rem;line-height:1.5;margin:0}@media (max-width: 968px){.experience-grid{grid-template-columns:1fr;gap:3rem}.achievement-grid{grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1.5rem}}@media (max-width: 640px){.experience{padding:4rem 1rem}.experience-grid{grid-template-columns:1fr;gap:2.5rem;margin-top:2rem}.column-title{font-size:1.5rem}.timeline{padding-left:1.5rem}.timeline-icon{width:2.5rem;height:2.5rem;font-size:1rem}.timeline-content{padding:1.25rem}.timeline-content h4{font-size:1.125rem}.description{font-size:.9rem}.achievements{margin-top:3rem}.achievements h3{font-size:1.5rem}.achievement-grid{grid-template-columns:1fr;gap:1.25rem}.achievement-card{padding:1.5rem 1.25rem}.achievement-icon{font-size:2.5rem}.achievement-card h4{font-size:1.125rem}}@media (max-width: 380px){.experience{padding:3rem .75rem}.experience-grid{grid-template-columns:minmax(0,1fr)}.column-title{font-size:1.25rem}.timeline-content h4{font-size:1rem}.timeline-period{font-size:.8rem}.achievement-card{padding:1.25rem 1rem}}.projects{padding:6rem 2rem;background:linear-gradient(135deg,#f5f7fa,#c3cfe2);transition:background .3s ease}[data-theme=dark] .projects{background:linear-gradient(135deg,#1a202c,#2d3748)}.section-subtitle{text-align:center;color:var(--text-tertiary);font-size:1.125rem;margin-top:1rem;margin-bottom:3rem}.filter-buttons{display:flex;justify-content:center;gap:1rem;margin-bottom:3rem;flex-wrap:wrap}.filter-buttons button{padding:.75rem 2rem;border:2px solid #667eea;background:var(--card-bg);color:#667eea;border-radius:50px;font-weight:600;cursor:pointer;transition:all .3s ease}[data-theme=dark] .filter-buttons button{background:#2d3748;color:#a5b4fc;border-color:#a5b4fc}.filter-buttons button:hover{background:#667eea;color:#fff;transform:translateY(-2px)}.filter-buttons button.active{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border-color:transparent}.projects-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(350px,1fr));gap:2rem;margin-top:3rem}.project-card{background:var(--card-bg);border-radius:15px;overflow:hidden;box-shadow:0 10px 30px #0000001a;transition:transform .3s ease,box-shadow .3s ease,background .3s ease}[data-theme=dark] .project-card{background:#2d3748;box-shadow:0 10px 30px #0000004d}.project-card:hover{transform:translateY(-10px);box-shadow:0 15px 40px #00000026}[data-theme=dark] .project-card:hover{box-shadow:0 15px 40px #00000080}.project-image{position:relative;overflow:hidden;height:250px}.project-image img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}.project-card:hover .project-image img{transform:scale(1.1)}.project-overlay{position:absolute;inset:0;background:#667eeaf2;display:flex;align-items:center;justify-content:center;gap:1rem;opacity:0;transition:opacity .3s ease}.project-card:hover .project-overlay{opacity:1}.overlay-btn{padding:.75rem 1.5rem;background:#fff;color:#667eea;border-radius:50px;text-decoration:none;font-weight:600;display:flex;align-items:center;gap:.5rem;transition:all .3s ease}.overlay-btn:hover{background:#1a202c;color:#fff;transform:scale(1.05)}.overlay-btn.coming-soon{background:#ffffff4d;color:#fff;cursor:default;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:2px solid white}.overlay-btn.coming-soon:hover{background:#ffffff4d;color:#fff;transform:none}.project-info{padding:1.5rem}.project-info h3{font-size:1.5rem;color:var(--text-primary);margin-bottom:.75rem;font-weight:600}.project-info p{color:var(--text-tertiary);line-height:1.6;margin-bottom:1rem}.project-technologies{display:flex;flex-wrap:wrap;gap:.5rem}.tech-tag{padding:.375rem .875rem;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border-radius:20px;font-size:.875rem;font-weight:500}@media (max-width: 768px){.projects-grid{grid-template-columns:1fr}.filter-buttons{gap:.75rem}.filter-buttons button{padding:.6rem 1.5rem;font-size:.9rem}}@media (max-width: 640px){.projects{padding:4rem 1rem}.section-subtitle{font-size:1rem;padding:0 1rem}.filter-buttons{padding:0 .5rem}.filter-buttons button{padding:.5rem 1.25rem;font-size:.85rem}.project-image{height:200px}.project-info{padding:1.25rem}.project-info h3{font-size:1.25rem}.project-info p{font-size:.95rem}.overlay-btn{padding:.6rem 1.25rem;font-size:.9rem}}@media (max-width: 380px){.projects{padding:3rem .75rem}.project-image{height:180px}.project-info{padding:1rem}.project-info h3{font-size:1.125rem}.tech-tag{padding:.3rem .7rem;font-size:.8rem}}.skills{padding:6rem 2rem;background:var(--bg-primary);transition:background .3s ease}[data-theme=dark] .skills{background:#1a202c}.skills-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:3rem;margin-top:4rem}.skill-category{background:linear-gradient(135deg,#f5f7fa,#e8edf4);padding:2rem;border-radius:15px;box-shadow:0 10px 30px #0000000d;transition:transform .3s ease,background .3s ease}[data-theme=dark] .skill-category{background:linear-gradient(135deg,#2d3748,#374151);box-shadow:0 10px 30px #0000004d}.skill-category:hover{transform:translateY(-5px)}.category-title{font-size:1.5rem;color:var(--text-primary);margin-bottom:1.5rem;font-weight:600;text-align:center;display:flex;align-items:center;justify-content:center;gap:.5rem}.category-icon{font-size:1.75rem;display:inline-block}.skills-list{display:flex;flex-direction:column;gap:1.25rem}.skill-item{display:flex;flex-direction:column;gap:.5rem;transition:transform .2s ease}.skill-item:hover{transform:translate(5px)}.skill-row{display:flex;align-items:center;justify-content:space-between;gap:1rem}.skill-name{font-weight:600;color:#2d3748;display:flex;align-items:center;gap:.5rem}.skill-icon{font-size:1.25rem;display:inline-block;transition:transform .3s ease}.skill-item:hover .skill-icon{transform:scale(1.2)}.chip{display:inline-flex;align-items:center;gap:.5rem;padding:.5rem .875rem;border-radius:999px;background:var(--card-bg);border:1.5px solid var(--border-color);color:var(--text-secondary);font-weight:600;box-shadow:0 6px 16px var(--shadow);transition:all .3s ease}[data-theme=dark] .chip{background:#1a202c;border-color:#4a5568}.chip:hover{border-color:#667eea;color:#4c51bf}[data-theme=dark] .chip:hover{border-color:#a5b4fc;color:#a5b4fc}.level-badge{display:inline-flex;align-items:center;padding:.4rem 1rem;border-radius:20px;font-size:.85rem;font-weight:600;text-transform:uppercase;letter-spacing:.5px;transition:all .3s ease}.level-badge.basic{background:linear-gradient(135deg,#ffd89b,#ffa751);color:#8b4000;box-shadow:0 4px 12px #ffa7514d}.level-badge.intermediate{background:linear-gradient(135deg,#4facfe,#00f2fe);color:#003d5c;box-shadow:0 4px 12px #4facfe4d}.level-badge.advanced{background:linear-gradient(135deg,#43e97b,#38f9d7);color:#00583d;box-shadow:0 4px 12px #43e97b4d}.level-badge:hover{transform:scale(1.05)}.additional-skills{margin-top:4rem;text-align:center}.additional-skills h3{font-size:1.75rem;color:var(--text-primary);margin-bottom:2rem;font-weight:600}.tags{display:flex;flex-wrap:wrap;gap:1rem;justify-content:center}.tag{padding:.75rem 1.5rem;background:var(--card-bg);border:2px solid #667eea;color:#667eea;border-radius:50px;font-weight:500;transition:all .3s ease;cursor:default}[data-theme=dark] .tag{background:#2d3748;border-color:#a5b4fc;color:#a5b4fc}.tag:hover{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border-color:transparent;transform:translateY(-3px)}@media (max-width: 768px){.skills-grid{grid-template-columns:1fr;gap:2rem}.skill-category{padding:1.5rem}.category-title{font-size:1.25rem}}@media (max-width: 640px){.skills{padding:4rem 1rem}.skills-grid{gap:1.5rem}.skill-category{padding:1.25rem}.category-title{font-size:1.125rem}.chip{padding:.4rem .75rem;font-size:.875rem}.level-badge{padding:.3rem .75rem;font-size:.75rem}.tags{gap:.75rem}.tag{padding:.6rem 1.25rem;font-size:.875rem}.additional-skills h3{font-size:1.5rem}}@media (max-width: 380px){.skills{padding:3rem .75rem}.skill-category{padding:1rem}.category-title{font-size:1rem;flex-direction:column;gap:.25rem}.chip{font-size:.8rem}.level-badge{font-size:.7rem}}.contact{padding:6rem 2rem;background:linear-gradient(135deg,#f5f7fa,#c3cfe2);transition:background .3s ease}[data-theme=dark] .contact{background:linear-gradient(135deg,#1a202c,#2d3748)}.contact-content{display:grid;grid-template-columns:1fr 1.5fr;gap:4rem;margin-top:4rem}.contact-info h3{font-size:1.75rem;color:var(--text-primary);margin-bottom:2rem;font-weight:600}.contact-item{display:flex;align-items:flex-start;gap:1.5rem;margin-bottom:2rem;padding:1.5rem;background:var(--card-bg);border-radius:12px;box-shadow:0 4px 15px #0000000d;transition:transform .3s ease,background .3s ease,box-shadow .3s ease}[data-theme=dark] .contact-item{background:#2d3748;box-shadow:0 4px 15px #0000004d}.contact-item:hover{transform:translate(10px)}.contact-icon{width:50px;height:50px;background:linear-gradient(135deg,#667eea,#764ba2);border-radius:12px;display:flex;align-items:center;justify-content:center;color:#fff;flex-shrink:0}.contact-text{flex:1;min-width:0;overflow:hidden}.contact-item h4{font-size:1.125rem;color:var(--text-primary);margin-bottom:.5rem;font-weight:600}.contact-item p{color:var(--text-tertiary);margin:0;word-wrap:break-word;overflow-wrap:break-word;word-break:break-word;-webkit-hyphens:auto;hyphens:auto}.social-links{margin-top:2rem}.social-links h4{font-size:1.125rem;color:var(--text-primary);margin-bottom:1rem;font-weight:600}.social-icons{display:flex;gap:1rem;flex-wrap:wrap}.social-icons a{width:45px;height:45px;background:var(--card-bg);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#667eea;transition:all .3s ease;box-shadow:0 4px 15px #0000000d}[data-theme=dark] .social-icons a{background:#2d3748;color:#a5b4fc;box-shadow:0 4px 15px #0000004d}.social-icons a:hover{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;transform:translateY(-5px);box-shadow:0 8px 20px #667eea4d}.contact-form{background:var(--card-bg);padding:2.5rem;border-radius:20px;box-shadow:0 10px 40px #0000001a;transition:background .3s ease,box-shadow .3s ease}[data-theme=dark] .contact-form{background:#2d3748;box-shadow:0 10px 40px #0000004d}.form-group{margin-bottom:1.5rem}.form-group input,.form-group textarea{width:100%;padding:1rem 1.25rem;border:2px solid var(--border-color);border-radius:10px;font-size:1rem;transition:all .3s ease;font-family:inherit;background:var(--bg-primary);color:var(--text-primary)}[data-theme=dark] .form-group input,[data-theme=dark] .form-group textarea{background:#1a202c;border-color:#4a5568}.form-group input:focus,.form-group textarea:focus{outline:none;border-color:#667eea;box-shadow:0 0 0 3px #667eea1a}[data-theme=dark] .form-group input:focus,[data-theme=dark] .form-group textarea:focus{border-color:#a5b4fc;box-shadow:0 0 0 3px #a5b4fc33}.form-group textarea{resize:vertical;min-height:150px;max-height:300px}.form-status{margin-bottom:1.5rem;padding:1rem;color:#fff;border-radius:10px;text-align:center;font-weight:500;animation:slideIn .3s ease-out}.form-status.success{background:linear-gradient(135deg,#48bb78,#38a169)}.form-status.error{background:linear-gradient(135deg,#f56565,#e53e3e)}@keyframes slideIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.contact-form .btn{width:100%;padding:1rem;border:none;cursor:pointer;font-size:1rem;transition:all .3s ease;font-weight:600}.contact-form .btn:disabled{opacity:.6;cursor:not-allowed;transform:none}.contact-form .btn:not(:disabled):hover{transform:translateY(-2px);box-shadow:0 8px 25px #667eea80}.captcha-container{display:flex;justify-content:center;align-items:center;margin:20px 0;width:100%;overflow:hidden}@media (max-width: 968px){.contact-content{grid-template-columns:1fr;gap:3rem}.contact-form{padding:2rem}.captcha-container{transform:scale(.85);transform-origin:center}}@media (max-width: 640px){.contact{padding:4rem 1rem}.contact-content{gap:2rem;margin-top:2rem}.contact-info h3{font-size:1.5rem;margin-bottom:1.5rem}.contact-item{padding:1rem;gap:1rem;margin-bottom:1.25rem}.contact-icon{width:40px;height:40px}.contact-item h4{font-size:1rem}.contact-item p{font-size:.875rem;line-height:1.4}.contact-form{padding:1.5rem}.form-group{margin-bottom:1.25rem}.form-group input,.form-group textarea{padding:.875rem 1rem;font-size:.9rem}.captcha-container{transform:scale(.77);transform-origin:center;margin:10px 0}.social-links{margin-top:1.5rem}.social-icons{justify-content:flex-start}}@media (max-width: 380px){.contact{padding:3rem .75rem}.contact-content{margin-top:1.5rem}.contact-info h3{font-size:1.35rem}.contact-item{padding:.875rem}.contact-icon{width:38px;height:38px}.contact-item h4{font-size:.95rem}.contact-item p{font-size:.8rem}.contact-form{padding:1.25rem}.form-group input,.form-group textarea{padding:.75rem .875rem;font-size:.875rem}.captcha-container{transform:scale(.68)}.social-icons a{width:40px;height:40px}}.footer{background:#1a202c;color:#fff;padding:3rem 2rem 1.5rem;transition:background .3s ease}[data-theme=dark] .footer{background:#0d1117;border-top:1px solid #2d3748}.footer-content{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:3rem;margin-bottom:2rem}.footer-section h3{font-size:1.5rem;margin-bottom:1rem;background:linear-gradient(135deg,#667eea,#764ba2);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.footer-section h4{font-size:1.125rem;margin-bottom:1rem;color:#e2e8f0}.footer-section p{color:#cbd5e0;line-height:1.6}.footer-section ul{list-style:none;padding:0;margin:0}.footer-section ul li{margin-bottom:.75rem;color:#cbd5e0}.footer-section a{color:#cbd5e0;text-decoration:none;transition:color .3s ease}.footer-section a:hover{color:#667eea}.footer-social{display:flex;flex-direction:column;gap:.75rem}.footer-social-icons{display:flex;gap:1rem;margin-top:1.5rem}.footer-social-icons a{width:40px;height:40px;background:#ffffff1a;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#cbd5e0;transition:all .3s ease;border:2px solid transparent}.footer-social-icons a:hover{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;transform:translateY(-5px);border-color:#fff3;box-shadow:0 8px 20px #667eea66}.footer-social-icons svg{width:20px;height:20px}[data-theme=dark] .footer-social-icons a{background:#ffffff0d;border-color:#ffffff1a}[data-theme=dark] .footer-social-icons a:hover{background:linear-gradient(135deg,#667eea,#764ba2);border-color:#ffffff4d}.footer-bottom{border-top:1px solid #2d3748;padding-top:2rem;text-align:center;color:#cbd5e0;transition:border-color .3s ease}[data-theme=dark] .footer-bottom{border-top-color:#374151}.footer-bottom p{margin:.5rem 0;font-size:.95rem}@media (max-width: 768px){.footer-content{grid-template-columns:1fr;gap:2rem}}@media (max-width: 640px){.footer{padding:2.5rem 1rem 1.25rem}.footer-section h3{font-size:1.25rem}.footer-section h4{font-size:1rem}.footer-section p{font-size:.9rem}.footer-content{gap:2rem}.footer-social-icons{justify-content:flex-start;flex-wrap:wrap}.footer-bottom p{font-size:.875rem}}@media (max-width: 380px){.footer{padding:2rem .75rem 1rem}.footer-section h3{font-size:1.125rem}.footer-section p,.footer-section li{font-size:.85rem}.footer-social-icons a{width:36px;height:36px}.footer-social-icons svg{width:18px;height:18px}}.app{min-height:100vh;background:var(--bg-primary);transition:background .3s ease}main{display:flex;flex-direction:column}html{scroll-behavior:smooth}::selection{background:#667eea;color:#fff}.section-title{color:var(--text-primary);transition:color .3s ease;font-size:2.5rem;font-weight:700;text-align:center;margin-bottom:1rem}.section-subtitle{color:var(--text-tertiary);transition:color .3s ease;text-align:center;font-size:1.125rem;margin-top:1rem;margin-bottom:3rem}.container{max-width:1200px;margin:0 auto;padding:0 2rem}@media (max-width: 640px){.section-title{font-size:2rem}.section-subtitle{font-size:1rem;margin-bottom:2rem}.container{padding:0 1rem}}@media (max-width: 380px){.section-title{font-size:1.75rem}.section-subtitle{font-size:.95rem}.container{padding:0 .75rem}}