:root{--color-bg:#f5f7fa;--color-surface:#fff;--color-text:#1a1d23;--color-text-secondary:#5a6170;--color-primary:#2563eb;--color-primary-hover:#1d4ed8;--color-accent:#0d9488;--color-accent-hover:#0f766e;--color-border:#e2e6ed;--color-badge-bg:#eef2ff;--color-badge-text:#3b5bdb;--font-heading:"Inter",system-ui,-apple-system,sans-serif;--font-body:"Inter",system-ui,-apple-system,sans-serif;--shadow-sm:0 1px 3px #0000000f;--shadow-md:0 4px 12px #00000014;--shadow-lg:0 8px 30px #0000001a;--shadow-hover:0 12px 36px #00000024;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-full:50%;--transition:.3s ease;--max-width:1140px}.dark{--color-bg:#111827;--color-surface:#1f2937;--color-text:#f9fafb;--color-text-secondary:#9ca3af;--color-primary:#3b82f6;--color-primary-hover:#60a5fa;--color-accent:#14b8a6;--color-accent-hover:#2dd4bf;--color-border:#374151;--color-badge-bg:#1e3a8a;--color-badge-text:#93c5fd;--shadow-sm:0 1px 3px #0000004d;--shadow-md:0 4px 12px #0006;--shadow-lg:0 8px 30px #00000080;--shadow-hover:0 12px 36px #0009}.portfolio *{box-sizing:border-box;margin:0;padding:0}.portfolio{font-family:var(--font-body);color:var(--color-text);background:var(--color-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.6}.portfolio-nav{z-index:100;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--color-border);transition:box-shadow var(--transition);background:#ffffffd9;position:fixed;top:0;left:0;right:0}.portfolio-nav.scrolled{box-shadow:var(--shadow-sm)}.nav-container{max-width:var(--max-width);justify-content:space-between;align-items:center;height:64px;margin:0 auto;padding:0 24px;display:flex}.nav-logo{align-items:center;text-decoration:none;display:flex}.nav-logo img{border-radius:var(--radius-full);object-fit:cover;border:2px solid var(--color-primary);width:40px;height:40px;box-shadow:var(--shadow-sm)}.nav-links{gap:32px;list-style:none;display:flex}.nav-links a{color:var(--color-text-secondary);transition:color var(--transition);font-size:.9rem;font-weight:500;text-decoration:none;position:relative}.nav-links a:after{content:"";background:var(--color-primary);width:0;height:2px;transition:width var(--transition);position:absolute;bottom:-4px;left:0}.nav-links a:hover{color:var(--color-primary)}.nav-links a:hover:after{width:100%}.nav-right{align-items:center;gap:12px;display:flex}.lang-switch{border:2px solid var(--color-border);border-radius:var(--radius-sm);display:flex;overflow:hidden}.lang-btn{color:var(--color-text-secondary);cursor:pointer;transition:all var(--transition);font-size:.8rem;font-weight:600;font-family:var(--font-body);background:0 0;border:none;padding:4px 12px}.lang-btn:first-child{border-right:1px solid var(--color-border)}.lang-btn.active{background:var(--color-primary);color:#fff}.lang-btn:not(.active):hover{background:var(--color-badge-bg);color:var(--color-primary)}.nav-toggle{cursor:pointer;background:0 0;border:none;padding:8px;display:none}.nav-toggle span{background:var(--color-text);width:24px;height:2px;transition:var(--transition);border-radius:2px;margin:5px 0;display:block}.section{padding:100px 24px}.section-container{max-width:var(--max-width);margin:0 auto}.section-label{text-transform:uppercase;letter-spacing:.1em;color:var(--color-primary);margin-bottom:12px;font-size:.8rem;font-weight:600;display:inline-block}.section-title{font-family:var(--font-heading);letter-spacing:-.02em;color:var(--color-text);margin-bottom:16px;font-size:2rem;font-weight:700}.section-subtitle{color:var(--color-text-secondary);max-width:560px;font-size:1.05rem;line-height:1.6}.section-header{margin-bottom:48px}.hero{background:linear-gradient(180deg,#eef2ff 0%,var(--color-bg)100%);padding-top:140px;padding-bottom:80px}.hero-grid{grid-template-columns:1fr 1fr;align-items:center;gap:64px;display:grid}.hero-content h1{font-family:var(--font-heading);letter-spacing:-.03em;color:var(--color-text);margin-bottom:16px;font-size:3rem;font-weight:800;line-height:1.15}.hero-content h1 span{color:var(--color-primary)}.hero-subtitle{color:var(--color-text-secondary);margin-bottom:24px;font-size:1.15rem;line-height:1.7}.hero-list{flex-direction:column;gap:12px;margin-bottom:32px;list-style:none;display:flex}.hero-list li{color:var(--color-text-secondary);align-items:center;gap:10px;font-size:.95rem;display:flex}.hero-list li svg{width:20px;height:20px;color:var(--color-accent);flex-shrink:0}.hero-buttons{flex-wrap:wrap;gap:12px;display:flex}.hero-photo-wrapper{justify-content:center;align-items:center;display:flex}.hero-photo{border-radius:var(--radius-full);object-fit:cover;width:340px;height:340px;box-shadow:var(--shadow-lg);border:4px solid var(--color-surface);transition:transform var(--transition),box-shadow var(--transition)}.hero-photo:hover{box-shadow:var(--shadow-hover);transform:scale(1.04)}.btn{border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition);font-size:.95rem;font-weight:600;font-family:var(--font-body);border:none;align-items:center;gap:8px;padding:12px 28px;text-decoration:none;display:inline-flex}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover{background:var(--color-primary-hover);box-shadow:var(--shadow-md);transform:translateY(-2px)}.btn-outline{color:var(--color-text);border:2px solid var(--color-border);background:0 0}.btn-outline:hover{border-color:var(--color-primary);color:var(--color-primary);transform:translateY(-2px)}.btn-accent{background:var(--color-accent);color:#fff}.btn-accent:hover{background:var(--color-accent-hover);box-shadow:var(--shadow-md);transform:translateY(-2px)}.btn-sm{padding:8px 20px;font-size:.85rem}.skills-section{background:var(--color-surface)}.tabs-nav{flex-wrap:wrap;gap:8px;margin-bottom:32px;display:flex}.tab-btn{border-radius:var(--radius-sm);border:2px solid var(--color-border);color:var(--color-text-secondary);cursor:pointer;transition:all var(--transition);font-size:.9rem;font-weight:600;font-family:var(--font-body);background:0 0;padding:10px 24px}.tab-btn:hover{border-color:var(--color-primary);color:var(--color-primary)}.tab-btn.active{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}.tab-panel{display:none}.tab-panel.active{display:block}.badges-grid{flex-wrap:wrap;gap:10px;display:flex}.badge{background:var(--color-badge-bg);color:var(--color-badge-text);border-radius:var(--radius-sm);transition:transform var(--transition),box-shadow var(--transition);align-items:center;gap:6px;padding:10px 18px;font-size:.88rem;font-weight:600;display:inline-flex}.badge:hover{box-shadow:var(--shadow-sm);transform:translateY(-2px)}.projects-grid{grid-template-columns:repeat(3,1fr);gap:24px;display:grid}.project-card{background:var(--color-surface);border-radius:var(--radius-md);border:1px solid var(--color-border);transition:transform var(--transition),box-shadow var(--transition);flex-direction:column;padding:28px;display:flex}.project-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-6px)}.project-card h3{font-family:var(--font-heading);color:var(--color-text);margin-bottom:10px;font-size:1.15rem;font-weight:700}.project-card p{color:var(--color-text-secondary);flex:1;margin-bottom:16px;font-size:.92rem;line-height:1.6}.project-tags{flex-wrap:wrap;gap:6px;display:flex}.project-tag{background:var(--color-badge-bg);color:var(--color-badge-text);border-radius:100px;padding:4px 12px;font-size:.78rem;font-weight:600}.services-section{background:var(--color-surface)}.services-grid{grid-template-columns:repeat(3,1fr);gap:24px;display:grid}.service-card{background:var(--color-bg);border-radius:var(--radius-md);border:1px solid var(--color-border);transition:transform var(--transition),box-shadow var(--transition);flex-direction:column;padding:32px;display:flex}.service-card:hover{box-shadow:var(--shadow-md);transform:translateY(-4px)}.service-icon{border-radius:var(--radius-sm);background:var(--color-badge-bg);width:48px;height:48px;color:var(--color-primary);justify-content:center;align-items:center;margin-bottom:20px;display:flex}.service-card h3{font-family:var(--font-heading);color:var(--color-text);margin-bottom:10px;font-size:1.1rem;font-weight:700}.service-card p{color:var(--color-text-secondary);flex:1;margin-bottom:20px;font-size:.92rem;line-height:1.6}.testimonials-track{scroll-snap-type:x mandatory;scroll-behavior:smooth;-ms-overflow-style:none;scrollbar-width:none;gap:24px;padding-bottom:16px;display:flex;overflow-x:auto}.testimonials-track::-webkit-scrollbar{display:none}.testimonial-card{background:var(--color-surface);border-radius:var(--radius-md);border:1px solid var(--color-border);scroll-snap-align:start;flex-direction:column;flex-shrink:0;min-width:340px;max-width:400px;padding:28px;display:flex}.testimonial-stars{color:#f59e0b;gap:2px;margin-bottom:16px;display:flex}.testimonial-card blockquote{color:var(--color-text-secondary);flex:1;margin-bottom:20px;font-size:.95rem;font-style:italic;line-height:1.7}.testimonial-author{align-items:center;gap:12px;display:flex}.testimonial-avatar{border-radius:var(--radius-full);background:var(--color-badge-bg);width:40px;height:40px;color:var(--color-primary);justify-content:center;align-items:center;font-size:.85rem;font-weight:700;display:flex}.testimonial-info strong{color:var(--color-text);font-size:.9rem;display:block}.testimonial-info span{color:var(--color-text-secondary);font-size:.8rem}.testimonials-controls{justify-content:center;gap:12px;margin-top:24px;display:flex}.slider-btn{border-radius:var(--radius-full);border:2px solid var(--color-border);background:var(--color-surface);cursor:pointer;width:40px;height:40px;transition:all var(--transition);color:var(--color-text-secondary);justify-content:center;align-items:center;display:flex}.slider-btn:hover{border-color:var(--color-primary);color:var(--color-primary)}.contact-section{background:var(--color-surface)}.contact-grid{grid-template-columns:1fr 1fr;align-items:start;gap:64px;display:grid}.contact-info h3{font-family:var(--font-heading);color:var(--color-text);margin-bottom:16px;font-size:1.5rem;font-weight:700}.contact-info p{color:var(--color-text-secondary);margin-bottom:24px;line-height:1.7}.contact-details{flex-direction:column;gap:16px;display:flex}.contact-detail{color:var(--color-text-secondary);align-items:center;gap:12px;font-size:.95rem;display:flex}.contact-detail svg{width:20px;height:20px;color:var(--color-primary);flex-shrink:0}.contact-form{flex-direction:column;gap:16px;display:flex}.form-group{flex-direction:column;gap:6px;display:flex}.form-group label{color:var(--color-text);font-size:.88rem;font-weight:600}.form-group input,.form-group textarea{border-radius:var(--radius-sm);border:2px solid var(--color-border);font-size:.95rem;font-family:var(--font-body);color:var(--color-text);background:var(--color-bg);transition:border-color var(--transition);outline:none;padding:12px 16px}.form-group input:focus,.form-group textarea:focus{border-color:var(--color-primary)}.form-group textarea{resize:vertical;min-height:140px}.portfolio-footer{text-align:center;color:var(--color-text-secondary);border-top:1px solid var(--color-border);background:var(--color-bg);padding:32px 24px;font-size:.85rem}.dark .portfolio-footer{background:var(--color-surface)}.portfolio-footer .footer-content{justify-content:center;align-items:center;gap:12px;display:flex}.portfolio-footer .footer-content p{margin:0}.portfolio-footer .footer-logo{border-radius:var(--radius-full);object-fit:cover;vertical-align:middle;border:3px solid var(--color-primary);width:40px;height:40px;box-shadow:var(--shadow-md)}.dark .portfolio-footer .footer-logo{border-color:var(--color-primary);background:var(--color-surface);box-shadow:0 0 0 2px var(--color-primary),var(--shadow-md)}.dark .nav-logo img{border-color:var(--color-primary)}@media (max-width:900px){.hero-grid{text-align:center;grid-template-columns:1fr;gap:40px}.hero-content h1{font-size:2.25rem}.hero-list{align-items:center}.hero-buttons{justify-content:center}.hero-photo{width:260px;height:260px}.hero-photo-wrapper{order:-1}.projects-grid,.services-grid{grid-template-columns:1fr 1fr}.contact-grid{grid-template-columns:1fr;gap:40px}}@media (max-width:640px){.section{padding:64px 16px}.hero{padding-top:100px;padding-bottom:48px}.hero-content h1{font-size:1.9rem}.section-title{font-size:1.6rem}.projects-grid,.services-grid{grid-template-columns:1fr}.nav-links{background:var(--color-surface);border-bottom:1px solid var(--color-border);box-shadow:var(--shadow-md);flex-direction:column;gap:16px;padding:16px 24px;display:none;position:absolute;top:64px;left:0;right:0}.nav-links.open{display:flex}.nav-toggle{display:block}.testimonial-card{min-width:280px}}