@import "https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:wght@400;500;600;700&family=Inter:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap";
:root{--brand-50:#eef2ff;--brand-100:#e0e7ff;--brand-200:#c7d2fe;--brand-300:#a5b4fc;--brand-400:#818cf8;--brand-500:#6366f1;--brand-600:#4f46e5;--brand-700:#4338ca;--brand-800:#3730a3;--brand-900:#312e81;--primary:var(--brand-600);--primary-foreground:#fff;--secondary:#0ea5e9;--secondary-foreground:#f0f9ff;--accent:#f59e0b;--accent-foreground:#451a03;--background:#fff;--foreground:#111827;--card:#fff;--card-foreground:#111827;--popover:#fff;--popover-foreground:#111827;--muted:#f3f4f6;--muted-foreground:#4b5563;--destructive:#ef4444;--destructive-foreground:#fef2f2;--success:#10b981;--success-foreground:#ecfdf5;--info:#3b82f6;--info-foreground:#eff6ff;--warning:#f59e0b;--warning-foreground:#451a03;--border:#e5e7eb;--ring:#6366f1;--cat-convert:#3b82f6;--cat-convert-bg:#eff6ff;--cat-organize:#8b5cf6;--cat-organize-bg:#f5f3ff;--cat-optimize:#10b981;--cat-optimize-bg:#ecfdf5;--cat-security:#ef4444;--cat-security-bg:#fef2f2;--gray-50:#f9fafb;--gray-100:#f3f4f6;--gray-200:#e5e7eb;--gray-300:#d1d5db;--gray-400:#9ca3af;--gray-500:#6b7280;--gray-600:#4b5563;--gray-700:#374151;--gray-800:#1f2937;--gray-900:#111827;--green-500:#22c55e;--green-50:#f0fdf4;--amber-500:#f59e0b;--red-500:#ef4444;--red-50:#fef2f2;--max-w:1200px;--nav-h:64px;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:20px;--radius-full:9999px;--shadow-xs:0 1px 2px #0000000a;--shadow-sm:0 1px 3px #0000000f,0 1px 2px #0000000a;--shadow-md:0 4px 6px -1px #00000012,0 2px 4px -2px #0000000d;--shadow-lg:0 10px 15px -3px #00000014,0 4px 6px -4px #0000000d;--shadow-xl:0 20px 25px -5px #00000014,0 8px 10px -6px #0000000a;--ease-out:cubic-bezier(.16,1,.3,1);--duration:.2s;--font-sans:"Be Vietnam Pro","Inter",system-ui,-apple-system,sans-serif;--font-mono:"JetBrains Mono","Fira Code",ui-monospace,SFMono-Regular,Menlo,monospace}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;scroll-behavior:smooth;overflow-x:clip}body{font-family:var(--font-sans);color:var(--gray-900);background:var(--gray-50);min-height:100vh;font-size:1rem;line-height:1.6}a{color:var(--brand-600);transition:color var(--duration)var(--ease-out);text-decoration:none}a:hover{color:var(--brand-700)}img,svg{max-width:100%;display:block}.container{max-width:var(--max-w);margin:0 auto;padding:0 24px}.visually-hidden{clip:rect(0,0,0,0);border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.btn{font-family:var(--font-sans);border-radius:var(--radius-md);cursor:pointer;transition:all var(--duration)var(--ease-out);white-space:nowrap;border:none;justify-content:center;align-items:center;gap:8px;font-size:.9375rem;font-weight:600;line-height:1;display:inline-flex}.btn-primary{background:var(--brand-600);color:#fff;box-shadow:var(--shadow-sm),0 0 0 0 #4f46e500;padding:14px 28px}.btn-primary:hover{background:var(--brand-700);color:#fff;box-shadow:var(--shadow-md),0 0 0 4px #4f46e526;transform:translateY(-1px)}.btn-primary:active{transform:translateY(0)}.btn-outline{color:var(--gray-700);border:1.5px solid var(--gray-200);box-shadow:var(--shadow-xs);background:#fff;padding:14px 28px}.btn-outline:hover{border-color:var(--gray-300);background:var(--gray-50);box-shadow:var(--shadow-sm)}.btn-sm{padding:10px 20px;font-size:.875rem}.btn-lg{border-radius:var(--radius-lg);padding:16px 36px;font-size:1rem}.badge{border-radius:var(--radius-full);align-items:center;gap:6px;padding:6px 14px;font-size:.8125rem;font-weight:600;line-height:1;display:inline-flex}.badge-brand{background:var(--brand-50);color:var(--brand-700);border:1px solid var(--brand-100)}.card{border-radius:var(--radius-lg);border:1px solid var(--gray-100);box-shadow:var(--shadow-xs);transition:all var(--duration)var(--ease-out);background:#fff}.card:hover{box-shadow:var(--shadow-md);border-color:var(--gray-200)}.section{padding:64px 0}.section-title{color:var(--gray-900);text-align:center;margin-bottom:12px;font-size:1.75rem;font-weight:700}.section-subtitle{color:var(--gray-700);text-align:center;max-width:500px;margin-bottom:40px;margin-left:auto;margin-right:auto;font-size:1.0625rem}@keyframes fadeInUp{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.7}}.animate-fade-in-up{animation:fadeInUp .5s var(--ease-out)both}@media (max-width:768px){.container{padding:0 16px}.section{padding:40px 0}.section-title{font-size:1.5rem}}