:root{--primary-color:#007AFF;--secondary-color:#0056CC;--accent-color:#34C759;--dark-bg:#1d1d1f;--light-bg:#f5f5f7;--hero-bg:#f5f5f7;--text-primary:#1d1d1f;--text-secondary:#86868b;--text-light:#ffffff;--border-color:#d2d2d7;--success-color:#30d158;--warning-color:#ff9500;--error-color:#ff3b30;--shadow-sm:0 1px 3px 0 rgba(0,0,0,0.1);--shadow-md:0 4px 12px 0 rgba(0,0,0,0.15);--shadow-lg:0 8px 25px 0 rgba(0,0,0,0.15);--shadow-xl:0 16px 40px 0 rgba(0,0,0,0.2);--transition:all 0.3s cubic-bezier(0.25,0.46,0.45,0.94)}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;font-size:16px}body{font-family:-apple-system,BlinkMacSystemFont,'SF Pro Display','SF Pro Text',system-ui,sans-serif;line-height:1.47059;color:var(--text-primary);background-color:#ffffff;font-size:17px;font-weight:400}h1,h2,h3,h4,h5,h6{font-family:-apple-system,BlinkMacSystemFont,'SF Pro Display',system-ui,sans-serif;font-weight:700;line-height:1.15;margin-bottom:1rem;letter-spacing:-0.01em;color:var(--text-primary)}h1{font-size:2.5rem;font-weight:800;letter-spacing:-0.015em}h2{font-size:2rem;font-weight:700;letter-spacing:-0.012em}h3{font-size:1.5rem;font-weight:700;letter-spacing:-0.008em}h4{font-size:1.25rem;font-weight:600;letter-spacing:-0.006em}.section-title{font-size:48px;font-weight:700;text-align:center;margin-bottom:0.5rem;letter-spacing:-0.012em;font-family:-apple-system,BlinkMacSystemFont,'SF Pro Display',system-ui,sans-serif;color:var(--text-primary)}.section-subtitle{text-align:center;color:var(--text-secondary);font-size:1.125rem;max-width:600px;margin:0 auto 3rem}.container{max-width:1200px;margin:0 auto;padding:0 1.5rem}.navbar{position:fixed;top:0;left:0;right:0;background:rgba(255,255,255,0.8);backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid rgba(0,0,0,0.1);z-index:1000;transition:var(--transition)}.nav-container{max-width:1200px;margin:0 auto;padding:1rem 1.5rem;display:flex;justify-content:space-between;align-items:center}.nav-brand h1{font-size:22px;font-weight:700;color:var(--text-primary);margin:0;letter-spacing:-0.008em;font-family:-apple-system,BlinkMacSystemFont,'SF Pro Display',system-ui,sans-serif}.nav-menu{display:flex;list-style:none;gap:2rem;margin:0;padding:0}.nav-link{color:var(--text-primary);text-decoration:none;font-weight:500;transition:var(--transition);position:relative}.nav-link:hover{color:var(--primary-color)}.nav-link::after{content:'';position:absolute;bottom:-5px;left:0;width:0;height:2px;background:var(--primary-color);transition:width 0.3s}.nav-link:hover::after,.nav-link.active::after{width:100%}@media (max-width:479px){.nav-menu:not(.active){display:none !important}.nav-toggle{display:flex !important}}.nav-toggle{display:none;flex-direction:column;background:none;border:none;cursor:pointer;padding:0}.nav-toggle span{width:25px;height:3px;background:var(--text-primary);margin:3px 0;transition:var(--transition)}.hero{padding:120px 0 0;background:linear-gradient(135deg,#f5f5f7 0%,#e8e8ea 100%);min-height:100vh;display:flex;align-items:center;position:relative}.hero::after{content:'';position:absolute;bottom:0;left:0;right:0;height:300px;background:linear-gradient(to top,rgba(255,255,255,0.8) 0%,rgba(255,255,255,0.4) 30%,rgba(245,245,247,0.2) 60%,transparent 100%);pointer-events:none;z-index:2}.hero-content{max-width:1200px;margin:0 auto;padding:0 1.5rem;display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:end;height:calc(100vh - 120px);position:relative;z-index:3}.hero-text{color:var(--text-primary);align-self:center}.hero-title{font-size:56px;font-weight:700;margin-bottom:1rem;letter-spacing:-0.015em;line-height:1.07143;font-family:-apple-system,BlinkMacSystemFont,'SF Pro Display',system-ui,sans-serif;color:var(--text-primary)}.hero-subtitle{font-size:21px;margin-bottom:2rem;color:var(--text-secondary);line-height:1.381}.hero-cta{display:flex;gap:1rem;flex-wrap:wrap;justify-content:center}.hero-image{position:relative;background:none;padding:0;border:none;max-width:500px;align-self:end;display:flex;align-items:flex-end;justify-self:end}.hero-image img{width:100%;height:auto;border:none;background:none;padding:0;margin:0;object-fit:cover;display:block}@keyframes float{0%,100%{transform:translateY(0px)}50%{transform:translateY(-20px)}}.btn{display:inline-block;padding:12px 24px;font-weight:400;text-decoration:none;border-radius:12px;transition:var(--transition);cursor:pointer;border:none;font-size:17px;line-height:1.23536}.btn-primary{background:var(--primary-color);color:var(--text-light)}.btn-primary:hover{background:var(--secondary-color)}.btn-secondary{background:transparent;color:var(--primary-color);border:1px solid var(--primary-color)}.btn-secondary:hover{background:var(--primary-color);color:var(--text-light)}.section{padding:110px 0}.section:nth-child(even){background:#ffffff}.section:nth-child(odd){background:var(--light-bg)}.team-management{background:#ffffff}.timeline{position:relative;padding:2rem 0}.timeline::before{content:'';position:absolute;left:50%;top:0;bottom:0;width:2px;background:var(--border-color);transform:translateX(-50%)}.timeline-item{display:flex;justify-content:space-between;align-items:center;margin-bottom:4rem;position:relative;min-height:200px}.timeline-item::before{content:'';position:absolute;left:50%;width:20px;height:20px;background:var(--primary-color);border-radius:50%;transform:translateX(-50%);box-shadow:var(--shadow-md)}.timeline-date{flex:1.2;text-align:right;padding-right:8rem;font-weight:600;color:var(--primary-color)}.timeline-content{flex:0.8;margin-left:4rem;background:white;padding:32px;border-radius:18px;box-shadow:0 2px 10px rgba(0,0,0,0.08);border:1px solid rgba(0,0,0,0.04);transition:var(--transition);min-height:180px;display:flex;flex-direction:column;justify-content:flex-start;max-width:400px;text-align:center}.timeline-content:hover{box-shadow:0 4px 20px rgba(0,0,0,0.12)}.timeline-content h3{color:var(--text-primary);margin-bottom:0.5rem}.timeline-content .role{color:var(--primary-color);font-weight:600;margin-bottom:1rem;text-align:center}.company-header{display:flex;flex-direction:column;align-items:center;gap:1rem;margin-bottom:1rem;text-align:center}.company-logo{width:180px;height:120px;object-fit:contain;border-radius:8px;background:rgba(245,245,247,0.9);padding:8px;box-shadow:0 2px 8px rgba(0,0,0,0.1);order:1}.company-header h3{margin-bottom:0;order:0}.tech-tags{display:flex;flex-wrap:wrap;gap:0.5rem;margin-top:1rem;justify-content:center}.tech-tags span{padding:0.25rem 0.75rem;background:var(--light-bg);color:var(--text-secondary);border-radius:20px;font-size:0.875rem}.achievements{margin-top:4rem}.achievements h3{text-align:center;margin-bottom:2rem}.achievement-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem}.achievement-card{background:white;padding:32px;border-radius:18px;box-shadow:0 2px 10px rgba(0,0,0,0.08);border:1px solid rgba(0,0,0,0.04);text-align:center;transition:var(--transition)}.achievement-card:hover{box-shadow:0 4px 20px rgba(0,0,0,0.12)}.achievement-card i{font-size:3rem;color:var(--primary-color);margin-bottom:1rem}.achievement-card h4{margin-bottom:1rem}.ai-coding{background:var(--light-bg)}.skills-showcase{display:grid;gap:3rem}.skill-category{background:white;padding:32px;border-radius:18px;box-shadow:0 2px 10px rgba(0,0,0,0.08);border:1px solid rgba(0,0,0,0.04)}.skill-category h3{display:flex;align-items:center;gap:0.5rem;color:var(--primary-color);margin-bottom:1.5rem}.skill-items{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem}.skill-item h4{color:var(--text-primary);margin-bottom:0.5rem}.skill-item p{color:var(--text-secondary);font-size:0.95rem}.skill-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:1rem}.skill-badge{display:flex;flex-direction:column;align-items:center;padding:1rem;background:var(--light-bg);border-radius:8px;transition:var(--transition)}.skill-badge:hover{background:var(--primary-color);color:white;transform:translateY(-5px)}.skill-badge i{font-size:2rem;margin-bottom:0.5rem}.photography{background:white}.gallery-filter{display:flex;justify-content:center;gap:1rem;margin-bottom:3rem;flex-wrap:wrap}.filter-btn{padding:12px 24px;background:transparent;border:1px solid var(--border-color);border-radius:20px;color:var(--text-secondary);font-weight:400;cursor:pointer;transition:var(--transition);font-size:17px}.filter-btn:hover,.filter-btn.active{background:var(--primary-color);color:white;border-color:var(--primary-color)}.photo-gallery{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.5rem}.gallery-item{position:relative;overflow:hidden;border-radius:18px;box-shadow:0 2px 10px rgba(0,0,0,0.08);border:1px solid rgba(0,0,0,0.04);cursor:pointer;transition:var(--transition);aspect-ratio:4/3}.gallery-item img{width:100%;height:100%;object-fit:cover;transition:transform 0.5s}.gallery-item:hover img{transform:scale(1.1)}.gallery-overlay{position:absolute;bottom:0;left:0;right:0;background:linear-gradient(to top,rgba(0,0,0,0.8),transparent);color:white;padding:1.5rem;transform:translateY(100%);transition:var(--transition)}.gallery-item:hover .gallery-overlay{transform:translateY(0)}.gallery-overlay h4{margin-bottom:0.25rem;color:white}.gallery-overlay p{font-size:0.9rem;opacity:0.9;color:white}.gallery-load-more{grid-column:1 / -1;text-align:center;margin-top:2rem}.lightbox{display:none;position:fixed;z-index:2000;left:0;top:0;width:100%;height:100%;background-color:rgba(0,0,0,0.95);animation:fadeIn 0.3s}.lightbox.active{display:flex;align-items:center;justify-content:center}.lightbox-content{max-width:90%;max-height:90%;animation:zoomIn 0.3s}.lightbox-close{position:absolute;top:30px;right:50px;color:#fff;font-size:40px;font-weight:bold;cursor:pointer;transition:var(--transition)}.lightbox-close:hover{color:var(--primary-color)}.lightbox-caption{position:absolute;bottom:30px;left:50%;transform:translateX(-50%);color:white;text-align:center;font-size:1.1rem}.lightbox-nav{position:absolute;top:50%;transform:translateY(-50%);background:rgba(0,0,0,0.7);color:white;border:none;font-size:48px;width:60px;height:60px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:var(--transition);z-index:2001;backdrop-filter:blur(10px)}.lightbox-nav:hover{background:rgba(0,122,255,0.8);transform:translateY(-50%) scale(1.1)}.lightbox-prev{left:30px}.lightbox-next{right:30px}@keyframes fadeIn{from{opacity:0}to{opacity:1}}@keyframes zoomIn{from{transform:scale(0.8)}to{transform:scale(1)}}.contact{background:var(--light-bg)}.contact-content{display:grid;grid-template-columns:1fr 2fr;gap:3rem;align-items:start}.contact-info{display:grid;gap:2rem}.info-item{text-align:center;padding:32px;background:white;border-radius:18px;box-shadow:0 2px 10px rgba(0,0,0,0.08);border:1px solid rgba(0,0,0,0.04);transition:var(--transition)}.info-item:hover{box-shadow:0 4px 20px rgba(0,0,0,0.12)}.info-item i{font-size:2rem;color:var(--primary-color);margin-bottom:1rem}.contact-form{background:white;padding:32px;border-radius:18px;box-shadow:0 2px 10px rgba(0,0,0,0.08);border:1px solid rgba(0,0,0,0.04)}.form-group{margin-bottom:1.5rem}.form-group input,.form-group textarea{width:100%;padding:16px;border:1px solid var(--border-color);border-radius:12px;font-size:17px;transition:var(--transition);font-family:inherit;background:#ffffff}.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px rgba(0,122,255,0.1)}.form-status{margin-top:1rem;padding:16px;border-radius:12px;font-size:17px;font-weight:400;display:none;animation:fadeInUp 0.3s ease-out}.form-status.success{background:rgba(48,209,88,0.1);color:#30d158;border:1px solid rgba(48,209,88,0.2)}.form-status.error{background:rgba(255,59,48,0.1);color:#ff3b30;border:1px solid rgba(255,59,48,0.2)}@keyframes fadeInUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.contact-form button[type="submit"]{margin-left:auto;display:block}.contact-form button[type="submit"]:disabled{background:var(--text-secondary);cursor:not-allowed;opacity:0.6}.footer{background:var(--dark-bg);color:var(--text-light);padding:3rem 0 1rem}.footer-content{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem;margin-bottom:2rem}.footer-info h3{margin-bottom:0.5rem}.footer-info p{opacity:0.8}.footer-links{display:flex;flex-direction:column;gap:0.75rem}.footer-links a{color:var(--text-light);text-decoration:none;opacity:0.8;transition:var(--transition)}.footer-links a:hover{opacity:1;color:var(--primary-color)}.footer-social{display:flex;gap:1rem}.footer-social a{width:40px;height:40px;background:rgba(255,255,255,0.1);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--text-light);transition:var(--transition)}.footer-social a:hover{background:var(--primary-color);transform:translateY(-3px)}.footer-bottom{text-align:center;padding-top:2rem;border-top:1px solid rgba(255,255,255,0.1);opacity:0.8}@media screen and (max-width:768px),screen and (max-device-width:768px),screen and (max-width:480px),screen and (max-width:375px){.nav-menu:not(.active){display:none !important}.nav-menu{position:fixed;left:-110%;top:70px;flex-direction:column;background-color:white;width:100%;text-align:center;transition:0.3s;box-shadow:var(--shadow-lg);padding:2rem 0;z-index:999;opacity:0;visibility:hidden}.nav-menu.active{display:flex !important;left:0;opacity:1;visibility:visible}.nav-toggle{display:flex !important;z-index:1000}.hero{padding:100px 0 0;min-height:100vh}.hero-content{grid-template-columns:1fr;text-align:center;gap:1.5rem;align-items:center;justify-content:center;height:calc(100vh - 100px);min-height:calc(100vh - 100px);display:flex;flex-direction:column}.hero-text{align-self:center;order:2}.hero-image{order:1;justify-self:center;align-self:center;margin-bottom:0;max-width:300px}.hero-image img{max-height:300px;width:auto}.hero-title{font-size:2rem}.hero-image{order:-1;margin-bottom:2rem}.timeline::before{display:none}.timeline-item{flex-direction:column;align-items:center}.timeline-item::before{display:none}.timeline-date{text-align:center;padding-right:0;margin-bottom:1rem;margin-left:0;width:100%}.timeline-content{margin-left:0;padding:24px;min-height:200px;width:90%;max-width:350px}.contact-content{grid-template-columns:1fr}.photo-gallery{grid-template-columns:1fr}.gallery-overlay{transform:translateY(0);background:linear-gradient(to top,rgba(0,0,0,0.9),rgba(0,0,0,0.7));padding:1rem}.gallery-item:hover .gallery-overlay{background:linear-gradient(to top,rgba(0,0,0,0.95),rgba(0,0,0,0.8))}.skill-grid{grid-template-columns:repeat(2,1fr)}.company-header{flex-direction:column;align-items:center;gap:1rem;margin-bottom:1rem;text-align:center}.company-header h3{order:1}.company-logo{width:160px;height:100px;align-self:center;order:0;padding:6px}.timeline-item{margin-bottom:3rem;min-height:250px}}@media (max-width:640px) and (min-width:481px){.hero{padding:120px 0 0;min-height:100vh}.hero-content{height:calc(100vh - 120px);min-height:calc(100vh - 120px);gap:1.25rem}.hero-cta{gap:0.75rem;justify-content:center;flex-direction:row}.hero-cta .btn{min-width:140px;padding:12px 20px}}@media (max-width:480px){.hero{padding:80px 0 0;min-height:100vh}.hero-content{height:calc(100vh - 80px);min-height:calc(100vh - 80px);gap:1rem;padding:0 1rem;display:flex;flex-direction:column;justify-content:center;align-items:center}.hero-title{font-size:1.75rem;margin-bottom:0.5rem}.hero-subtitle{font-size:1rem;margin-bottom:1.5rem}.hero-image{max-width:250px}.hero-image img{max-height:250px}.hero-cta{gap:0.75rem;flex-direction:column;width:100%;align-items:center}.hero-cta .btn{width:100%;max-width:280px;padding:14px 20px;font-size:16px;text-align:center}.section-title{font-size:1.75rem}.achievement-grid{grid-template-columns:1fr}.lightbox-nav{width:50px;height:50px;font-size:36px}.lightbox-prev{left:15px}.lightbox-next{right:15px}.lightbox-close{top:20px;right:20px;font-size:32px}.lightbox-caption{bottom:20px;font-size:1rem;left:50%;transform:translateX(-50%);width:90%;text-align:center}.gallery-overlay{transform:translateY(0);background:linear-gradient(to top,rgba(0,0,0,0.9),rgba(0,0,0,0.7));padding:0.75rem}.gallery-overlay h4{font-size:1rem;margin-bottom:0.125rem}.gallery-overlay p{font-size:0.8rem}}