:root{--primary: #2563eb;--primary-dark: #1d4ed8;--secondary: #00b4d8;--dark: #0f172a;--light: #f8fafc;--gray: #64748b;--gray-light: #e2e8f0;--success: #22c55e;--warning: #eab308;--danger: #ef4444;--font-sans: "Poppins", sans-serif;--font-mono: "Roboto Mono", monospace}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:80px}body{font-family:var(--font-sans);color:var(--dark);background-color:var(--light);line-height:1.7;box-sizing:border-box}section{padding:5rem 0}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 1.5rem;box-sizing:border-box}h1,h2,h3,h4,h5,h6{line-height:1.2;font-weight:600;margin-bottom:1rem}h1{font-size:2.5rem}h2{font-size:2rem;margin-bottom:2rem;position:relative;padding-bottom:.5rem}h2:after{content:"";position:absolute;bottom:0;left:0;height:3px;width:50px;background-color:var(--primary)}p{margin-bottom:1.5rem}a{color:var(--primary);text-decoration:none;transition:all .3s ease}a:hover{color:var(--primary-dark)}.btn{display:inline-block;padding:.75rem 1.5rem;background-color:var(--primary);color:#fff;border-radius:4px;border:none;cursor:pointer;transition:all .3s ease;font-weight:500}.btn:hover{background-color:var(--primary-dark);transform:translateY(-2px)}.btn-outline{background-color:transparent;border:2px solid var(--primary);color:var(--primary)}.btn-outline:hover{background-color:var(--primary);color:#fff}.section-title{text-align:center;margin-bottom:3rem}.section-title h2{display:inline-block}.section-title h2:after{left:50%;transform:translate(-50%);width:100px}.grid{display:grid;gap:2rem}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}.flex{display:flex}.flex-column{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.justify-center{justify-content:center}.gap-1{gap:.5rem}.gap-2{gap:1rem}.gap-3{gap:1.5rem}.card{background-color:#fff;border-radius:8px;box-shadow:0 4px 6px #0000001a;padding:1.5rem;transition:all .3s ease}.card:hover{transform:translateY(-5px);box-shadow:0 10px 15px #0000001a}.loading-screen{display:flex;flex-direction:column;justify-content:center;align-items:center;height:100vh;background-color:var(--light)}.loader{border:5px solid var(--gray-light);border-top:5px solid var(--primary);border-radius:50%;width:50px;height:50px;animation:spin 1s linear infinite;margin-bottom:1rem}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media screen and (max-width: 992px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}}@media screen and (max-width: 768px){h1{font-size:2rem}h2{font-size:1.8rem}.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}section{padding:3rem 0}}@media screen and (max-width: 576px){h1{font-size:1.8rem}h2{font-size:1.5rem}}