:root{--font-serif:Charter,Georgia,"Times New Roman",serif;--font-mono:ui-monospace,"SF Mono",Menlo,monospace;--fg:rgba(232,228,222,0.92);--fg-2:rgba(232,228,222,0.70);--fg-3:rgba(232,228,222,0.52);--fg-4:rgba(232,228,222,0.45);--border-1:rgba(232,228,222,0.08);--border-2:rgba(232,228,222,0.18);--s1:8px;--s2:12px;--s3:16px;--s4:24px;--s5:32px;--s6:48px;--surface-1:rgba(232,228,222,0.04);--surface-2:rgba(232,228,222,0.06);--surface-3:rgba(232,228,222,0.10);--border-3:rgba(232,228,222,0.35);--accent-green:#4ade80;--accent-green-end:#22c55e;--accent-green-strong:rgba(74,222,128,0.7);--accent-green-text:rgba(74,222,128,0.6);--accent-green-dim:rgba(74,222,128,0.5);--accent-green-bg:rgba(74,222,128,0.4);--accent-green-glow:rgba(74,222,128,0.3);--accent-green-muted:rgba(74,222,128,0.25);--accent-green-border:rgba(74,222,128,0.2);--accent-green-border-subtle:rgba(74,222,128,0.15);--accent-green-bg-subtle:rgba(74,222,128,0.08);--accent-green-bg-faint:rgba(74,222,128,0.06);--accent-amber:#fbbf24;--accent-amber-end:#f59e0b;--accent-amber-text:rgba(251,191,36,0.6);--accent-amber-dim:rgba(251,191,36,0.5);--accent-amber-border:rgba(251,191,36,0.4);--accent-amber-hint:rgba(251,191,36,0.3);--accent-amber-muted:rgba(251,191,36,0.25);--accent-amber-border-subtle:rgba(251,191,36,0.2);--accent-amber-bg:rgba(251,191,36,0.15);--accent-amber-bg-faint:rgba(251,191,36,0.06);--accent-danger:rgba(239,68,68,0.7);--accent-danger-muted:rgba(239,68,68,0.5);--accent-danger-border:rgba(239,68,68,0.2);--accent-danger-border-subtle:rgba(239,68,68,0.15);--overlay-text:rgba(0,0,0,0.5);--overlay-bg:rgba(0,0,0,0.3);--bg-rgb:26,24,22;--nav-h:96px}*{box-sizing:border-box;margin:0;padding:0}body,html{min-height:100vh;overflow-x:hidden}body{background:rgb(var(--bg-rgb));color:var(--fg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:inherit;text-decoration:none}@keyframes pulse{0%,to{opacity:.4}50%{opacity:1}}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes breathe{0%,to{transform:scale(1);opacity:.6}50%{transform:scale(1.02);opacity:1}}@keyframes pathway-pulse{0%,to{box-shadow:0 0 0 0 var(--accent-amber-muted);border-color:var(--accent-amber-border)}50%{box-shadow:0 0 0 6px transparent;border-color:var(--accent-amber)}}section[aria-label="Lesson pathway"]:focus-visible{outline:2px solid var(--accent-amber);outline-offset:3px;border-radius:4px}@media (prefers-reduced-motion:reduce){*,:after,:before{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}