@import"https://fonts.googleapis.com/css2?family=Montserrat:wght@600;700;800;900&family=Inter:wght@300;400;500;600;700&display=swap";.logo{height:6em;padding:1.5em;will-change:filter}.logo:hover{filter:drop-shadow(0 0 2em #646cffaa)}.logo.react:hover{filter:drop-shadow(0 0 2em #61dafbaa)}@keyframes logo-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media (prefers-reduced-motion: no-preference){a:nth-of-type(2) .logo{animation:logo-spin infinite 20s linear}}.card{padding:2em}.read-the-docs{color:#888}:root{--red: #d32f2f;--red-dark: #b71c1c;--red-bright: #ff5252;--red-glow: rgba(211,47,47,.12);--gradient: linear-gradient(135deg, var(--red), #e53935);--graphite: #0a0a0a;--charcoal: #141414;--surface: #ffffff;--surface-alt: #f5f5f6;--surface-dim: #ededee;--border: rgba(0,0,0,.06);--border-hover: rgba(211,47,47,.18);--radius: 14px;--radius-sm: 8px;--radius-lg: 20px;--shadow-xs: 0 1px 3px rgba(0,0,0,.04);--shadow-sm: 0 2px 8px rgba(0,0,0,.05);--shadow-md: 0 8px 28px rgba(0,0,0,.08);--shadow-lg: 0 20px 50px rgba(0,0,0,.1);--shadow-glow: 0 0 30px rgba(211,47,47,.18);--font-head: "Montserrat", sans-serif;--font-body: "Inter", system-ui, -apple-system, sans-serif;--sp-1: 4px;--sp-2: 8px;--sp-3: 12px;--sp-4: 16px;--sp-5: 20px;--sp-6: 24px;--sp-8: 32px;--sp-10: 40px;--sp-12: 48px;--sp-16: 64px;--sp-20: 80px;--text: #111;--text-muted: #666;--text-light: rgba(255,255,255,.65);--ease: cubic-bezier(.4,0,.2,1);--duration: .35s}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font-body);background:var(--surface-alt);color:var(--text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.65;font-size:15px}h1,h2,h3,h4,h5,h6,.headline-font{font-family:var(--font-head);text-transform:uppercase;letter-spacing:-.3px;line-height:1.08;font-weight:800}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.section-title{text-align:center;font-weight:900!important;font-size:2.4rem!important;color:var(--text)!important;margin-bottom:10px!important;font-family:var(--font-head);text-transform:uppercase;letter-spacing:-.5px}.section-subtitle{text-align:center;color:var(--text-muted)!important;font-size:.98rem!important;margin-bottom:48px!important;max-width:540px;margin-left:auto!important;margin-right:auto!important;line-height:1.7;font-weight:400}@media (max-width:599px){.section-title{font-size:1.65rem!important;margin-bottom:8px!important}.section-subtitle{font-size:.88rem!important;margin-bottom:28px!important;padding:0 20px}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideInLeft{0%{opacity:0;transform:translate(-30px)}to{opacity:1;transform:translate(0)}}@keyframes slideInRight{0%{opacity:0;transform:translate(30px)}to{opacity:1;transform:translate(0)}}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}@keyframes pulse-ring{0%{box-shadow:0 0 #d32f2f73}70%{box-shadow:0 0 0 12px #d32f2f00}to{box-shadow:0 0 #d32f2f00}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-6px)}}.cta-pulse{animation:pulse-ring 2s infinite}.glass{background:rgba(255,255,255,.72);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.25)}.glass-dark{background:rgba(10,10,10,.7);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid rgba(255,255,255,.06)}.bg-grid{position:relative}.bg-grid:before{content:"";position:absolute;inset:0;opacity:.025;background-image:linear-gradient(rgba(255,255,255,.4) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.4) 1px,transparent 1px);background-size:72px 72px;pointer-events:none}.section-dark{background:var(--graphite);color:#fff}.section-dark .section-title{color:#fff!important}.section-dark .section-subtitle{color:var(--text-light)!important}.text-gradient{background:linear-gradient(135deg,var(--red),var(--red-bright));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.img-zoom{overflow:hidden;border-radius:var(--radius)}.img-zoom img{transition:transform .55s var(--ease)}.img-zoom:hover img{transform:scale(1.06)}.sticky-mobile-cta{display:none;position:fixed;bottom:0;left:0;right:0;z-index:9999;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:0 -3px 24px #0000001a;padding:8px 12px;padding-bottom:max(8px,env(safe-area-inset-bottom));gap:6px}.sticky-mobile-cta a{flex:1;display:flex;align-items:center;justify-content:center;gap:5px;padding:12px 0;border-radius:var(--radius-sm);font-size:.76rem;font-weight:700;text-align:center;text-decoration:none;letter-spacing:.3px;transition:all var(--duration) var(--ease)}.sticky-cta-call{background:linear-gradient(135deg,var(--red),#e53935);color:#fff}.sticky-cta-zalo{background:#0068ff;color:#fff}.sticky-cta-fb{background:#1877F2;color:#fff}.sticky-cta-quote{background:var(--graphite);color:#fff}@media (max-width:899px){.sticky-mobile-cta{display:flex}}::-webkit-scrollbar{width:5px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#ccc;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#999}::selection{background:var(--red);color:#fff}