:root{--th-primary: #1a73e8;--th-primary-dark: #1557b0;--th-primary-light: #e8f0fe;--th-secondary: #0d9488;--th-secondary-dark: #0a7a70;--th-secondary-light: #ccfbf1;--th-accent: #f59e0b;--th-accent-light: #fef3c7;--th-white: #ffffff;--th-gray-50: #f9fafb;--th-gray-100: #f3f4f6;--th-gray-200: #e5e7eb;--th-gray-300: #d1d5db;--th-gray-400: #9ca3af;--th-gray-500: #6b7280;--th-gray-600: #4b5563;--th-gray-700: #374151;--th-gray-800: #1f2937;--th-gray-900: #111827;--th-success: #16a34a;--th-error: #dc2626;--th-warning: #f59e0b;--th-info: #0ea5e9;--th-font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--th-font-display: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--th-space-1: .25rem;--th-space-2: .5rem;--th-space-3: .75rem;--th-space-4: 1rem;--th-space-5: 1.25rem;--th-space-6: 1.5rem;--th-space-8: 2rem;--th-space-10: 2.5rem;--th-space-12: 3rem;--th-space-16: 4rem;--th-space-20: 5rem;--th-space-24: 6rem;--th-radius-sm: .375rem;--th-radius-md: .5rem;--th-radius-lg: .75rem;--th-radius-xl: 1rem;--th-radius-2xl: 1.5rem;--th-radius-full: 9999px;--th-shadow-xs: 0 1px 2px rgba(0,0,0,.05);--th-shadow-sm: 0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);--th-shadow-md: 0 4px 6px -1px rgba(0,0,0,.1), 0 2px 4px -2px rgba(0,0,0,.1);--th-shadow-lg: 0 10px 15px -3px rgba(0,0,0,.1), 0 4px 6px -4px rgba(0,0,0,.1);--th-shadow-xl: 0 20px 25px -5px rgba(0,0,0,.1), 0 8px 10px -6px rgba(0,0,0,.1);--th-transition-fast: .15s cubic-bezier(.4,0,.2,1);--th-transition-base: .25s cubic-bezier(.4,0,.2,1);--th-transition-slow: .35s cubic-bezier(.4,0,.2,1);--th-max-width: 1280px;--th-header-height: 64px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;scroll-behavior:smooth}body{font-family:var(--th-font);color:var(--th-gray-800);background:var(--th-white);line-height:1.6;min-height:100vh}img,svg{display:block;max-width:100%}a{color:var(--th-primary);text-decoration:none;transition:color var(--th-transition-fast)}a:hover{color:var(--th-primary-dark)}button{cursor:pointer;font-family:var(--th-font)}h1,h2,h3,h4,h5,h6{font-family:var(--th-font-display);font-weight:700;line-height:1.25;color:var(--th-gray-900)}h1{font-size:2.5rem}h2{font-size:2rem}h3{font-size:1.5rem}h4{font-size:1.25rem}.container{width:100%;max-width:var(--th-max-width);margin-inline:auto;padding-inline:var(--th-space-6)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}.btn,.btn-accent,.btn-secondary,.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:var(--th-space-2);font-weight:600;font-size:.9375rem;padding:.625rem 1.5rem;border-radius:var(--th-radius-md);border:none;transition:all var(--th-transition-fast);white-space:nowrap}.btn:disabled,.btn-accent:disabled,.btn-secondary:disabled,.btn-primary:disabled{opacity:.55;cursor:not-allowed}.btn-primary{background:var(--th-primary);color:var(--th-white)}.btn-primary:hover:not(:disabled){background:var(--th-primary-dark);box-shadow:var(--th-shadow-md)}.btn-secondary{background:var(--th-white);color:var(--th-primary);border:1.5px solid var(--th-primary)}.btn-secondary:hover:not(:disabled){background:var(--th-primary-light)}.btn-accent{background:var(--th-accent);color:var(--th-gray-900)}.btn-accent:hover:not(:disabled){background:#e58e09;box-shadow:var(--th-shadow-md)}.card{background:var(--th-white);border-radius:var(--th-radius-lg);box-shadow:var(--th-shadow-sm);border:1px solid var(--th-gray-200);overflow:hidden;transition:box-shadow var(--th-transition-base),transform var(--th-transition-base)}.card:hover{box-shadow:var(--th-shadow-md)}.badge{display:inline-flex;align-items:center;padding:.2rem .65rem;border-radius:var(--th-radius-full);font-size:.75rem;font-weight:600;letter-spacing:.02em}.badge-primary{background:var(--th-primary-light);color:var(--th-primary)}.badge-secondary{background:var(--th-secondary-light);color:var(--th-secondary)}.badge-accent{background:var(--th-accent-light);color:#92400e}.section{padding-block:var(--th-space-16)}.section-header{text-align:center;margin-bottom:var(--th-space-12)}.section-header h2{margin-bottom:var(--th-space-3)}.section-header p{color:var(--th-gray-500);font-size:1.125rem;max-width:600px;margin-inline:auto}.stars{color:var(--th-accent);letter-spacing:2px}.skeleton{background:linear-gradient(90deg,var(--th-gray-100) 25%,var(--th-gray-200) 50%,var(--th-gray-100) 75%);background-size:200% 100%;animation:skeleton-shimmer 1.5s ease-in-out infinite;border-radius:var(--th-radius-sm)}@keyframes skeleton-shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}