:root{--bg:#f5f7fa;--card:#ffffffb3;--text:#1e293b;--primary:#2563eb;--secondary:#0f172a;--border:#00000014}.dark{--bg:#0f172a;--card:#1e293b99;--text:#f1f5f9;--primary:#38bdf8;--secondary:#020617;--border:#ffffff14}*{box-sizing:border-box;margin:0;padding:0;font-family:Inter,sans-serif;transition:background .3s,color .3s}body{background:var(--bg);color:var(--text)}.app-container{min-height:100vh;display:flex}.sidebar{background:var(--secondary);color:#fff;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);width:300px;height:100vh;padding:40px 30px;position:fixed}.logo{margin-bottom:5px;font-size:28px;font-weight:700}.role{opacity:.7;margin-bottom:30px}.sidebar-info p{opacity:.9;margin-bottom:15px;font-size:14px}.sidebar-links a{color:#cbd5e1;margin-bottom:10px;text-decoration:none;display:block}.btn{background:linear-gradient(135deg,var(--primary),#9333ea);color:#fff;cursor:pointer;border:none;border-radius:8px;margin-top:20px;padding:10px 18px;text-decoration:none;display:inline-block}.sidebar-links a{color:#fff;align-items:center;gap:8px;margin-bottom:12px;font-weight:500;text-decoration:none;transition:color .2s;display:flex}.sidebar-links a:hover{color:#9333ea}.icon{font-size:18px}.content-area{width:100%;margin-left:300px}.top-nav{background:var(--card);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);z-index:100;padding:20px 40px;position:sticky;top:0}.top-nav nav{justify-content:space-between;align-items:center;display:flex}.nav-links a{color:var(--text);margin-right:30px;font-weight:500;text-decoration:none}.nav-links a:hover{color:var(--primary)}.theme-toggle{border:1px solid var(--border);cursor:pointer;color:var(--text);background:0 0;border-radius:20px;padding:6px 14px}section{padding:100px 40px}.section-container{max-width:1100px;margin:auto}h2{margin-bottom:40px;font-size:2rem;position:relative}h2:after{content:"";background:linear-gradient(90deg,var(--primary),#9333ea);border-radius:4px;width:60px;height:4px;position:absolute;bottom:-12px;left:0}.card-grid,.projects-grid{grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:30px;margin-top:30px;display:grid}.card,.project-card{background:var(--card);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--border);border-radius:16px;padding:35px;transition:transform .3s;box-shadow:0 10px 30px #0000000d}.card:hover,.project-card:hover{transform:translateY(-8px)}.contact-form{max-width:600px}.form-group{margin-bottom:20px}.form-control{border:1px solid var(--border);background:var(--card);width:100%;color:var(--text);border-radius:8px;padding:14px}