:root{--primary-black: #000000;--primary-white: #ffffff;--white: #ffffff;--light-gray: #f8f9fa;--dark-gray: #000000;--text-gray: #666666;--border-gray: #e0e0e0}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.6;color:var(--dark-gray);overflow-x:hidden}.container{max-width:1200px;margin:0 auto;padding:0 20px}.section{padding:80px 0}.section-title{font-size:2.5rem;font-weight:700;text-align:center;margin-bottom:1rem;color:var(--primary-black)}.section-subtitle{font-size:1.1rem;text-align:center;color:var(--text-gray);margin-bottom:3rem;max-width:600px;margin-left:auto;margin-right:auto}.btn{display:inline-flex;align-items:center;gap:.5rem;padding:12px 24px;border:none;border-radius:8px;font-weight:600;text-decoration:none;cursor:pointer;transition:all .3s ease;font-size:1rem}.btn-primary{background:linear-gradient(135deg,var(--primary-black),#333333);color:var(--white);box-shadow:0 4px 15px #0000004d}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px #0006}.btn-secondary{background:linear-gradient(135deg,var(--primary-white),#f0f0f0);color:var(--primary-black);box-shadow:0 4px 15px #ffffff4d;border:2px solid var(--primary-black)}.btn-secondary:hover{transform:translateY(-2px);box-shadow:0 6px 20px #0003}.grid{display:grid;gap:2rem}.grid-2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}.grid-3{grid-template-columns:repeat(auto-fit,minmax(350px,1fr))}.card{background:var(--white);border-radius:16px;padding:2rem;box-shadow:0 8px 30px #0000001a;transition:all .3s ease;border:1px solid var(--border-gray)}.card:hover{transform:translateY(-5px);box-shadow:0 15px 40px #00000026}.fade-in{opacity:0;transform:translateY(30px);animation:fadeInUp .8s ease forwards}@keyframes fadeInUp{to{opacity:1;transform:translateY(0)}}@media (max-width: 768px){.section{padding:60px 0}.section-title{font-size:2rem;margin-bottom:.8rem}.section-subtitle{font-size:1rem;margin-bottom:2.5rem}.container{padding:0 15px}.grid-3,.grid-2{grid-template-columns:1fr}.btn{padding:14px 20px;font-size:.95rem}.card{padding:1.5rem;border-radius:12px}}@media (max-width: 480px){.section{padding:50px 0}.section-title{font-size:1.75rem;line-height:1.2;margin-bottom:.8rem}.section-subtitle{font-size:1rem;margin-bottom:2rem;padding:0 10px}.card{padding:1.5rem;border-radius:12px}.container{padding:0 10px}.btn{padding:12px 18px;font-size:.9rem;border-radius:6px}.btn-primary,.btn-secondary{min-height:44px;display:flex;align-items:center;justify-content:center}}