:root{--font-sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;--font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;--max-w: 1140px;--nav-h: 72px;--radius: 14px;--radius-sm: 10px;--ease: cubic-bezier(.22, 1, .36, 1)}[data-theme=dark]{color-scheme:dark;--bg: #0a0e13;--bg-soft: #0d1218;--surface: #11161e;--surface-2: #161d27;--border: rgba(148, 163, 184, .12);--border-strong: rgba(148, 163, 184, .26);--text: #e7ecf3;--text-muted: #96a1b3;--text-faint: #6b7688;--accent: #5b8def;--accent-strong: #84abff;--accent-contrast: #ffffff;--accent-soft: rgba(91, 141, 239, .12);--accent-grad: linear-gradient(135deg, #5b8def 0%, #7c6cf0 100%);--success: #34d399;--danger: #f87171;--shadow-sm: 0 2px 10px rgba(0, 0, 0, .3);--shadow: 0 14px 40px rgba(0, 0, 0, .42);--glow: 0 0 24px rgba(91, 141, 239, .25)}[data-theme=light]{color-scheme:light;--bg: #f6f8fb;--bg-soft: #eef2f7;--surface: #ffffff;--surface-2: #f7f9fc;--border: rgba(15, 23, 42, .09);--border-strong: rgba(15, 23, 42, .18);--text: #10151d;--text-muted: #545f70;--text-faint: #7b8595;--accent: #3b63e4;--accent-strong: #2c4fc4;--accent-contrast: #ffffff;--accent-soft: rgba(59, 99, 228, .09);--accent-grad: linear-gradient(135deg, #3b63e4 0%, #6a5ae0 100%);--success: #0d9e6e;--danger: #d64545;--shadow-sm: 0 2px 8px rgba(15, 23, 42, .06);--shadow: 0 16px 40px rgba(15, 23, 42, .12);--glow: 0 0 24px rgba(59, 99, 228, .18)}*,*:before,*:after{box-sizing:border-box}*{margin:0}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{font-family:var(--font-sans);background-color:var(--bg);color:var(--text);line-height:1.65;-webkit-font-smoothing:antialiased;transition:background-color .3s ease,color .3s ease;overflow-x:hidden}h1,h2,h3,h4{line-height:1.15;letter-spacing:-.02em;font-weight:700}a{color:inherit;text-decoration:none}ul{list-style:none;padding:0}img,svg,canvas{display:block;max-width:100%}button,input,textarea{font:inherit;color:inherit}button{cursor:pointer;background:none;border:none}::selection{background:var(--accent-soft);color:var(--text)}::-webkit-scrollbar{width:10px}::-webkit-scrollbar-track{background:var(--bg)}::-webkit-scrollbar-thumb{background:var(--surface-2);border-radius:8px;border:2px solid var(--bg)}::-webkit-scrollbar-thumb:hover{background:var(--border-strong)}:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}.skip-link{position:fixed;top:-100px;left:16px;z-index:300;padding:.7rem 1.2rem;background:var(--accent);color:var(--accent-contrast);border-radius:var(--radius-sm);font-weight:600;transition:top .25s var(--ease)}.skip-link:focus{top:12px}.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.container{width:min(var(--max-w),100% - 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2.25rem)}.btn{padding:.75rem 1.15rem}}