:root{--primary-color: #2563eb;--primary-hover: #1d4ed8;--bg-color: #f8fafc;--text-color: #1e293b;--text-secondary: #64748b;--card-bg: #ffffff;--border-color: #e2e8f0;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--radius: .75rem;font-family:Inter,system-ui,-apple-system,sans-serif}@media(prefers-color-scheme:dark){:root{--bg-color: #0f172a;--text-color: #f1f5f9;--text-secondary: #94a3b8;--card-bg: #1e293b;--border-color: #334155}}body{background-color:var(--bg-color);color:var(--text-color);margin:0;line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--primary-color);text-decoration:none;transition:color .2s}a:hover{color:var(--primary-hover)}h1,h2,h3,h4,h5,h6{line-height:1.2;margin-bottom:1rem;color:var(--text-color)}img{max-width:100%;display:block}.navbar{background-color:var(--card-bg);border-bottom:1px solid var(--border-color);position:sticky;top:0;z-index:1000;padding:0}.navbar-container{max-width:1200px;margin:0 auto;padding:1rem;display:flex;justify-content:space-between;align-items:center}.navbar-brand{font-size:1.5rem;font-weight:800;color:var(--primary-color);text-decoration:none}.navbar-nav{list-style:none;display:flex;gap:2rem;margin:0;padding:0}.navbar-nav a{color:var(--text-secondary);font-weight:500;text-decoration:none;transition:color .2s}.navbar-nav a:hover{color:var(--primary-color)}.navbar-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:.5rem}.bar{width:25px;height:3px;background-color:var(--text-color);border-radius:2px;transition:.3s}@media(max-width:768px){.navbar-toggle{display:flex}.navbar-nav{position:absolute;top:100%;left:0;right:0;background-color:var(--card-bg);border-bottom:1px solid var(--border-color);flex-direction:column;align-items:center;gap:0;max-height:0;overflow:hidden;transition:max-height .3s ease-in-out;box-shadow:var(--shadow-md)}.navbar-nav.active{max-height:300px}.navbar-nav li{width:100%;text-align:center}.navbar-nav a{display:block;padding:1rem;width:100%}.navbar-nav a:hover{background-color:var(--bg-color)}}.footer{text-align:center;padding:3rem 1rem;margin-top:auto;background-color:var(--card-bg);border-top:1px solid var(--border-color);color:var(--text-secondary);font-size:.875rem}.container{max-width:1200px;margin:0 auto;padding:2rem 1rem;min-height:80vh}.hero{text-align:center;padding:6rem 1rem;background:linear-gradient(135deg,var(--primary-color),#4f46e5);color:#fff;border-radius:var(--radius);margin-bottom:4rem;box-shadow:var(--shadow-lg)}.hero h1{font-size:2.5rem;margin-bottom:1rem;color:#fff}@media(min-width:768px){.hero h1{font-size:3.5rem}}.hero p{font-size:1.25rem;opacity:.9;max-width:600px;margin:0 auto}.projects-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:2rem}.project-card{background-color:var(--card-bg);border:1px solid var(--border-color);border-radius:var(--radius);padding:2rem;transition:transform .2s,box-shadow .2s;display:flex;flex-direction:column;height:100%;box-sizing:border-box}.project-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:var(--primary-color)}.project-card h3{font-size:1.5rem;margin-top:0}.project-card p{color:var(--text-secondary);flex-grow:1}.project-card a{display:inline-block;margin-top:1rem;font-weight:600}.project-detail{max-width:800px;margin:0 auto}.project-content{font-size:1.125rem;color:var(--text-secondary);line-height:1.8}.project-content pre{background:#1e1e1e;padding:1.5rem;border-radius:var(--radius);overflow-x:auto;margin:2rem 0}.btn{display:inline-block;background-color:var(--primary-color);color:#fff;padding:.75rem 1.5rem;border-radius:var(--radius);text-decoration:none;font-weight:600;border:none;cursor:pointer;transition:background-color .2s}.btn:hover{background-color:var(--primary-hover);color:#fff}.contact-form{max-width:600px;margin:0 auto;background:var(--card-bg);padding:2rem;border-radius:var(--radius);border:1px solid var(--border-color);box-shadow:var(--shadow-md)}.form-group{margin-bottom:1.5rem}.form-group label{display:block;margin-bottom:.5rem;font-weight:500;color:var(--text-color)}.form-group input,.form-group textarea{width:100%;padding:.75rem;border:1px solid var(--border-color);border-radius:.5rem;background-color:var(--bg-color);color:var(--text-color);font-size:1rem;transition:border-color .2s;box-sizing:border-box}.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #2563eb1a}