:root,[data-theme=light]{--bg-primary: #ffffff;--bg-secondary: #f8fafc;--bg-tertiary: #f0f9ff;--bg-card: #ffffff;--bg-nav: rgba(255, 255, 255, .95);--text-primary: #1a1a2e;--text-secondary: #4b5563;--text-muted: #6b7280;--text-faint: #9ca3af;--border-color: #e5e7eb;--border-hover: #93c5fd;--accent: #2563eb;--accent-hover: #1d4ed8;--accent-light: #dbeafe;--accent-border: #93c5fd;--gradient-start: #f0f9ff;--gradient-end: #ffffff;--shadow-sm: 0 1px 3px rgba(0,0,0,.05);--shadow-md: 0 4px 12px rgba(37, 99, 235, .1);--shadow-lg: 0 10px 40px rgba(37, 99, 235, .12)}[data-theme=dark]{--bg-primary: #0a0a0f;--bg-secondary: #111118;--bg-tertiary: #0f0f1a;--bg-card: #16161f;--bg-nav: rgba(10, 10, 15, .95);--text-primary: #f1f5f9;--text-secondary: #cbd5e1;--text-muted: #94a3b8;--text-faint: #64748b;--border-color: #1e293b;--border-hover: #3b82f6;--accent: #3b82f6;--accent-hover: #60a5fa;--accent-light: rgba(59, 130, 246, .15);--accent-border: rgba(59, 130, 246, .3);--gradient-start: #0f0f1a;--gradient-end: #0a0a0f;--shadow-sm: 0 1px 3px rgba(0,0,0,.3);--shadow-md: 0 4px 12px rgba(0, 0, 0, .3);--shadow-lg: 0 10px 40px rgba(0, 0, 0, .4)}*{margin:0;padding:0;box-sizing:border-box}html{font-family:Inter,system-ui,sans-serif;scroll-behavior:smooth}body{background:var(--bg-primary);color:var(--text-primary);line-height:1.6;transition:background .3s ease,color .3s ease}a{color:inherit;text-decoration:none}.nav{position:fixed;top:0;left:0;right:0;z-index:100;background:var(--bg-nav);backdrop-filter:blur(10px);border-bottom:1px solid var(--border-color);box-shadow:var(--shadow-sm);transition:background .3s ease,border-color .3s ease}.nav-container{max-width:1200px;margin:0 auto;padding:1rem 2rem;display:flex;justify-content:space-between;align-items:center}.logo{display:flex;align-items:center}.logo-img{height:32px;width:auto}.footer-logo-img{height:28px;width:auto}[data-theme=dark] .logo-img,[data-theme=dark] .footer-logo-img{filter:brightness(1.4) saturate(1.2)}@media(max-width:480px){.logo-img{height:26px}}.nav-links{display:flex;gap:2rem;align-items:center}.nav-links a{color:var(--text-secondary);transition:color .2s;font-weight:500}.nav-links a:hover{color:var(--accent)}.nav-cta{background:var(--accent);color:#fff!important;padding:.5rem 1.25rem;border-radius:6px;font-weight:500}.nav-cta:hover{background:var(--accent-hover);color:#fff!important}.theme-toggle{background:none;border:1px solid var(--border-color);border-radius:8px;padding:.5rem;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s}.theme-toggle:hover{border-color:var(--accent);background:var(--accent-light)}.theme-toggle svg{width:20px;height:20px;color:var(--text-secondary)}[data-theme=light] .moon-icon,[data-theme=dark] .sun-icon{display:none}.mobile-menu{display:none;flex-direction:column;gap:4px;background:none;border:none;cursor:pointer;padding:4px}.mobile-menu span{width:24px;height:2px;background:var(--text-primary);border-radius:2px}main{min-height:100vh;padding-top:4rem}.footer{background:var(--bg-secondary);border-top:1px solid var(--border-color);padding:4rem 2rem 2rem;transition:background .3s ease,border-color .3s ease}.footer-container{max-width:1200px;margin:0 auto}.footer-brand p{color:var(--text-muted);margin-top:.5rem}.footer-links{display:flex;gap:4rem;margin-top:2rem}.footer-col h4{font-size:.875rem;text-transform:uppercase;letter-spacing:.1em;color:var(--text-faint);margin-bottom:1rem}.footer-col a,.footer-col p{display:block;color:var(--text-muted);margin-bottom:.5rem;font-size:.9rem}.footer-col a:hover{color:var(--accent)}.footer-bottom{margin-top:3rem;padding-top:2rem;border-top:1px solid var(--border-color);color:var(--text-faint);font-size:.875rem}@media(max-width:768px){.nav-container{position:relative}.nav-links{position:fixed;top:0;left:0;width:100vw;height:100vh;background:var(--bg-primary);flex-direction:column;justify-content:center;align-items:center;gap:2rem;z-index:1000;display:none;opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease}.nav-links.mobile-open{display:flex;opacity:1;visibility:visible}.nav-links a{font-size:1.5rem;padding:.5rem 1rem}.nav-links .nav-cta{margin-top:1rem;padding:1rem 2rem;font-size:1.25rem}.mobile-menu{display:flex;z-index:1001;position:relative}.mobile-menu.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}.mobile-menu.active span:nth-child(2){opacity:0}.mobile-menu.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}.mobile-menu span{transition:all .3s ease}body.menu-open{overflow:hidden}.footer-links{flex-direction:column;gap:2rem}}