:root{--primary-color:#2563eb;--secondary-color:#f8fafc;--accent-color:#059669;--text-dark:#1e293b;--text-light:#64748b}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.6;color:var(--text-dark)}.hero-section{background:linear-gradient(135deg,var(--primary-color) 0,#1d4ed8 100%);color:#fff;padding:80px 0}.hero-title{font-size:3.5rem;font-weight:700;margin-bottom:1.5rem}.hero-subtitle{font-size:1.5rem;font-weight:300;opacity:.9}.section-padding{padding:80px 0}.card-hover{transition:transform .3s ease,box-shadow .3s ease}.card-hover:hover{transform:translateY(-5px);box-shadow:0 20px 40px rgba(0,0,0,.1)}.btn-primary{background-color:var(--primary-color);border-color:var(--primary-color);padding:12px 30px;font-weight:600;border-radius:8px}.btn-primary:hover{background-color:#1d4ed8;border-color:#1d4ed8}.navbar-brand{font-weight:700;font-size:1.5rem}.footer{background-color:var(--text-dark);color:#fff;padding:40px 0 20px}.tech-badge{display:inline-block;color:var(--primary-color);padding:8px 16px;border-radius:20px;font-size:.9rem;font-weight:600;margin:4px;border:2px solid var(--primary-color)}.contact-info,.tech-badge{background-color:var(--secondary-color)}.contact-info{border-radius:12px;padding:30px}@media (max-width:768px){.hero-title{font-size:2.5rem}.hero-subtitle{font-size:1.2rem}}