*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--color-bg: #0a0a0f;--color-surface: #12121a;--color-primary: #7c3aed;--color-primary-light: #a78bfa;--color-accent: #06b6d4;--color-text: #e2e8f0;--color-text-muted: #94a3b8;--color-border: #1e1e2e;--font-sans: "Inter", system-ui, -apple-system, sans-serif;--radius: .75rem}html{scroll-behavior:smooth}body{background-color:var(--color-bg);color:var(--color-text);font-family:var(--font-sans);line-height:1.6;min-height:100vh}a{color:var(--color-primary-light);text-decoration:none}a:hover{color:var(--color-accent)}nav{display:flex;align-items:center;justify-content:space-between;padding:1rem 2rem;background-color:var(--color-surface);border-bottom:1px solid var(--color-border);position:sticky;top:0;z-index:100}nav .brand{font-size:1.25rem;font-weight:700;color:var(--color-primary-light);letter-spacing:.05em}nav ul{list-style:none;display:flex;gap:1.5rem;flex-wrap:wrap}nav ul li a{font-size:.9rem;font-weight:500;color:var(--color-text-muted);transition:color .2s}nav ul li a:hover,nav ul li a.active{color:var(--color-primary-light)}main{max-width:1100px;margin:0 auto;padding:2rem 1.5rem}h1,h2,h3{line-height:1.2;font-weight:700}h1{font-size:clamp(2rem,5vw,3.5rem)}h2{font-size:clamp(1.5rem,3vw,2.25rem)}h3{font-size:1.25rem}.btn{display:inline-block;padding:.65rem 1.5rem;border-radius:var(--radius);font-weight:600;font-size:.95rem;cursor:pointer;border:none;transition:opacity .2s,transform .1s}.btn:active{transform:scale(.98)}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover{opacity:.85;color:#fff}.btn-outline{background:transparent;border:2px solid var(--color-primary);color:var(--color-primary-light)}.btn-outline:hover{background:var(--color-primary);color:#fff}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:1.5rem}.section-title{margin-bottom:.5rem;color:var(--color-primary-light)}.section-subtitle{color:var(--color-text-muted);margin-bottom:2rem}.grid{display:grid;gap:1.5rem}.grid-2{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}.grid-3{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}footer{text-align:center;padding:2rem;color:var(--color-text-muted);font-size:.85rem;border-top:1px solid var(--color-border);margin-top:4rem}.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:.5rem;z-index:101}.hamburger,.hamburger:before,.hamburger:after{display:block;width:22px;height:2px;background:var(--color-primary-light);border-radius:2px;transition:transform .25s,opacity .25s;position:relative}.hamburger:before,.hamburger:after{content:"";position:absolute;left:0}.hamburger:before{top:-7px}.hamburger:after{top:7px}.hamburger.open{background:transparent}.hamburger.open:before{transform:translateY(7px) rotate(45deg)}.hamburger.open:after{transform:translateY(-7px) rotate(-45deg)}@media (max-width: 640px){.nav-toggle{display:block}nav{flex-wrap:wrap;padding:1rem}.nav-links{display:none;width:100%;flex-direction:column;gap:0;padding:.5rem 0 1rem;border-top:1px solid var(--color-border);margin-top:.75rem}.nav-links.nav-open{display:flex}.nav-links li a{display:block;padding:.65rem .25rem;font-size:1rem;border-bottom:1px solid var(--color-border)}.nav-links li:last-child a{border-bottom:none}}