:root{--bg-primary:#f7f8fa;--bg-secondary:#fff;--text-primary:#101522;--text-secondary:#3f4a5e;--accent-blue:#2b5cff;--accent-purple:#2b5cff;--border-color:#d7deea;--font-primary:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;--spacing-xs:8px;--spacing-sm:16px;--spacing-md:24px;--spacing-lg:32px;--spacing-xl:48px;--spacing-2xl:64px;--spacing-3xl:80px;--spacing-4xl:120px;--container-max:1180px;--transition-fast:120ms ease-in-out;--transition-base:200ms ease-in-out;--transition-slow:400ms ease-in-out}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--bg-primary);font-family:var(--font-primary);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}body,h1,h2,h3,h4,h5,h6{color:var(--text-primary)}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.28;letter-spacing:-.018em}h1{font-size:clamp(42px,6vw,64px);letter-spacing:-.025em}h1,h2{font-weight:600}h2{font-size:clamp(32px,4vw,42px);letter-spacing:-.018em}h3{font-size:clamp(22px,3vw,28px);font-weight:600}p{font-size:17px;line-height:1.65;color:var(--text-secondary);letter-spacing:.004em}.container{max-width:var(--container-max);margin:0 auto;padding:0 28px}.section{padding:104px 0;position:relative;z-index:1}.btn-primary{display:inline-flex;align-items:center;justify-content:center;padding:14px 28px;background:var(--text-primary);color:var(--bg-secondary);font-weight:600;font-size:16px;border-radius:6px;border:1px solid var(--text-primary);cursor:pointer;text-decoration:none;transition:background var(--transition-fast),color var(--transition-fast),border-color var(--transition-fast);letter-spacing:.01em}.btn-primary:hover{background:var(--accent-blue);border-color:var(--accent-blue)}.btn-secondary{display:inline-flex;align-items:center;justify-content:center;padding:14px 28px;background:var(--bg-secondary);color:var(--text-primary);font-weight:600;font-size:16px;border-radius:6px;border:1px solid var(--border-color);cursor:pointer;text-decoration:none;transition:border-color var(--transition-fast),color var(--transition-fast),background var(--transition-fast);letter-spacing:.01em}.btn-secondary:hover{background:#eef2f9;border-color:#b7c4da}.card{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:8px;padding:30px;transition:border-color var(--transition-base),background var(--transition-base)}.card:hover{border-color:#bcc9de;background:#fbfcfe}@keyframes fadeUp{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.fade-up{animation:fadeUp .35s ease-out forwards}.fade-up-delay-1{animation:fadeUp .35s ease-out .05s forwards;opacity:0}.fade-up-delay-2{animation:fadeUp .35s ease-out .1s forwards;opacity:0}.fade-up-delay-3{animation:fadeUp .35s ease-out .15s forwards;opacity:0}.gradient-text{color:var(--accent-blue)}.grid-12{display:grid;grid-template-columns:repeat(12,1fr);grid-gap:var(--spacing-lg);gap:var(--spacing-lg)}.grid-3{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));grid-gap:var(--spacing-xl);gap:var(--spacing-xl)}@media (max-width:768px){:root{--spacing-4xl:80px;--spacing-3xl:64px}.section{padding:80px 0}.container{padding:0 20px}h1{font-size:40px}h2{font-size:32px}p{font-size:16px}.grid-3{grid-template-columns:1fr}}.text-center{text-align:center}.mt-lg{margin-top:var(--spacing-xl)}.mb-lg{margin-bottom:var(--spacing-xl)}