:root{--bg-canvas: 40 33% 98%;--bg-surface: 0 0% 100%;--bg-surface-1: 40 25% 96%;--bg-surface-2: 40 22% 93%;--bg-card: 40 22% 95%;--bg-elevated: 0 0% 100%;--bg-hover: 40 25% 91%;--bg-glow: 42 95% 88%;--border-subtle: 38 18% 88%;--border-strong: 38 16% 75%;--border-active: 205 85% 45%;--text-primary: 220 40% 13%;--text-secondary: 218 20% 32%;--text-muted: 218 15% 48%;--text-on-primary: 0 0% 100%;--primary: 205 90% 30%;--primary-hover: 205 92% 23%;--primary-glow: 205 85% 45%;--accent: 42 95% 52%;--accent-sun: 42 95% 52%;--accent-sun-bg: 44 95% 96%;--accent-coral: 356 78% 58%;--accent-coral-bg: 0 85% 97%;--accent-pine: 152 50% 38%;--accent-pine-bg: 148 45% 96%;--accent-purple: 270 65% 52%;--accent-purple-bg: 270 60% 97%;--font-heading: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: "Courier New", Courier, monospace;--tracking-tight: 0;--tracking-normal: 0;--tracking-wide: .05em;--text-hero: clamp(2.25rem, 4.5vw, 3.5rem);--text-h1: clamp(1.85rem, 3.5vw, 2.65rem);--text-h2: clamp(1.4rem, 2.5vw, 1.95rem);--text-h3: clamp(1.15rem, 1.8vw, 1.45rem);--text-body: clamp(1rem, 1.1vw, 1.125rem);--text-sm: .875rem;--text-xs: .75rem;--shadow-elevation-1: 0 1px 3px 0 hsl(220 30% 15% / .05), 0 1px 2px -1px hsl(220 30% 15% / .05);--shadow-elevation-2: 0 4px 6px -1px hsl(220 30% 15% / .07), 0 2px 4px -2px hsl(220 30% 15% / .05);--shadow-elevation-3: 0 10px 15px -3px hsl(220 30% 15% / .08), 0 4px 6px -4px hsl(220 30% 15% / .04);--shadow-elevation-4: 0 20px 25px -5px hsl(220 30% 15% / .1), 0 8px 10px -6px hsl(220 30% 15% / .04);--shadow-inner: inset 0 2px 4px 0 hsl(220 30% 15% / .06);--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--radius-2xl: 1.5rem;--radius-full: 9999px;--ease-spring: cubic-bezier(.16, 1, .3, 1);--duration-fast: .15s;--duration-normal: .25s}*,*:before,*:after{box-sizing:border-box}:root{--container-max: 1280px;--radius-pill: 9999px;--shadow-specular: inset 0 1px 0 0 hsl(0 0% 100% / .25), 0 1px 2px 0 hsl(220 30% 15% / .08)}html{box-sizing:border-box;font-family:var(--font-body);background-color:hsl(var(--bg-canvas));color:hsl(var(--text-secondary));-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;scroll-behavior:smooth}body{margin:0;padding:0;background-color:hsl(var(--bg-canvas));color:hsl(var(--text-secondary));line-height:1.68;min-height:100vh;overflow-x:hidden;width:100%}[hidden]{display:none!important}.skip-link{position:absolute;top:-100px;left:1rem;z-index:9999;padding:.75rem 1.25rem;background-color:hsl(var(--primary));color:hsl(var(--text-on-primary));font-weight:700;border-radius:var(--radius-md);box-shadow:var(--shadow-elevation-3);text-decoration:none;transition:top .2s cubic-bezier(.16,1,.3,1)}.skip-link:focus{top:1rem;outline:3px solid hsl(var(--accent-sun));outline-offset:2px}:focus-visible{outline:3px solid hsl(var(--border-active));outline-offset:2px}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid hsl(var(--border-active));outline-offset:2px}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);color:hsl(var(--text-primary));line-height:1.25;font-weight:700;letter-spacing:var(--tracking-tight)}h1{font-size:var(--text-h1);margin-bottom:1rem}h2{font-size:var(--text-h2);margin-top:2.5rem;margin-bottom:.85rem}h3{font-size:var(--text-h3);margin-top:1.5rem;margin-bottom:.5rem}p{font-size:var(--text-body);color:hsl(var(--text-secondary));margin-bottom:1.25rem}.hero-lead{font-size:clamp(1.1rem,1.35vw,1.25rem);line-height:1.65;color:hsl(var(--text-secondary));max-width:48rem;margin-bottom:2rem;border:none;background:transparent;padding:0}.container{width:100%;max-width:var(--container-max);margin-left:auto;margin-right:auto;padding-left:clamp(1rem,3vw,2rem);padding-right:clamp(1rem,3vw,2rem)}.content-prose{max-width:52rem;margin-left:auto;margin-right:auto}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1.35rem;font-family:var(--font-heading);font-size:.9375rem;font-weight:600;line-height:1.2;white-space:nowrap;border-radius:var(--radius-md);border:1px solid hsl(var(--border-subtle) / .8);cursor:pointer;text-decoration:none;box-shadow:var(--shadow-specular);transition:all .18s cubic-bezier(.16,1,.3,1);min-height:48px;min-width:48px}button{font-family:inherit;white-space:nowrap}.btn:active{transform:translateY(1.5px) scale(.985)}.btn-primary{background-color:hsl(var(--primary));color:hsl(var(--text-on-primary));border-color:hsl(var(--primary-hover))}.btn-primary:hover{background-color:hsl(var(--primary-hover))}.btn-secondary{background-color:hsl(var(--bg-surface));color:hsl(var(--text-primary));border-color:hsl(var(--border-strong))}.btn-secondary:hover{background-color:hsl(var(--bg-hover));border-color:hsl(var(--border-active))}.btn-accent{background-color:hsl(var(--accent-sun));color:hsl(var(--text-primary));border-color:#da950b}.btn-accent:hover{background-color:#efa106}.chip-group{display:flex;flex-wrap:wrap;gap:.5rem;width:100%}.chip{display:inline-flex;align-items:center;gap:.375rem;padding:.45rem .9rem;font-size:.875rem;font-weight:500;white-space:nowrap;background-color:hsl(var(--bg-surface));border:1px solid hsl(var(--border-subtle));border-radius:var(--radius-pill);color:hsl(var(--text-primary));cursor:pointer;transition:all .15s ease;min-height:40px}.chip:hover{background-color:hsl(var(--bg-hover));border-color:hsl(var(--border-strong))}.chip.active{background-color:hsl(var(--primary));color:hsl(var(--text-on-primary));border-color:hsl(var(--primary))}.hairline-divider{border:none;border-top:1px solid hsl(var(--border-subtle));margin:3rem 0;width:100%}@media print{body{background:#fff!important;color:#000!important}header,footer,.no-print,.skip-link,#booklet-tray,.palette-dock{display:none!important}.container{max-width:100%!important;padding:0!important}}.site-header[data-astro-cid-3ef6ksr2]{position:sticky;top:0;z-index:1000;background-color:hsl(var(--bg-canvas) / .95);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid 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.85rem;font-family:var(--font-heading);font-size:.9375rem;font-weight:600;color:hsl(var(--text-secondary));text-decoration:none;border-radius:var(--radius-md);transition:all .15s ease}.nav-item[data-astro-cid-3ef6ksr2]:hover{color:hsl(var(--text-primary));background-color:hsl(var(--bg-surface-1))}.nav-item[data-astro-cid-3ef6ksr2].active{color:hsl(var(--primary));background-color:hsl(var(--primary) / .08)}.header-actions[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;gap:.75rem}.booklet-pill-btn[data-astro-cid-3ef6ksr2]{display:inline-flex;align-items:center;gap:.5rem;padding:.5rem 1rem;font-family:var(--font-heading);font-size:.875rem;font-weight:700;color:hsl(var(--primary));background-color:hsl(var(--bg-surface));border:1.5px solid hsl(var(--primary) / .25);border-radius:var(--radius-pill);box-shadow:var(--shadow-elevation-1);cursor:pointer;transition:all .18s 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hsl(var(--border-strong));box-shadow:var(--shadow-elevation-3);padding:1.25rem}.mobile-nav-list[data-astro-cid-3ef6ksr2]{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.5rem}.mobile-nav-link[data-astro-cid-3ef6ksr2]{display:block;padding:.75rem 1rem;font-family:var(--font-heading);font-size:1rem;font-weight:600;color:hsl(var(--text-primary));text-decoration:none;border-radius:var(--radius-md)}.mobile-nav-link[data-astro-cid-3ef6ksr2]:hover{background-color:hsl(var(--bg-surface-1))}.site-footer[data-astro-cid-sz7xmlte]{background-color:hsl(var(--bg-card));border-top:1px solid hsl(var(--border-subtle));padding:4rem 0 2.5rem;margin-top:auto}.footer-inner[data-astro-cid-sz7xmlte]{display:flex;flex-direction:column;gap:3rem}.footer-grid[data-astro-cid-sz7xmlte]{display:grid;grid-template-columns:1fr;gap:2.5rem}@media(min-width:768px){.footer-grid[data-astro-cid-sz7xmlte]{grid-template-columns:2fr 1fr 1fr;gap:3rem}}.footer-logo-link[data-astro-cid-sz7xmlte]{display:inline-flex;align-items:center;min-height:44px;min-width:44px}.footer-logo[data-astro-cid-sz7xmlte]{height:40px;width:auto;margin-bottom:1rem}.footer-desc[data-astro-cid-sz7xmlte]{font-size:.9375rem;line-height:1.65;color:hsl(var(--text-secondary));max-width:28rem;margin-bottom:1.25rem}.pedagogical-badge[data-astro-cid-sz7xmlte]{display:inline-flex;align-items:center;gap:.5rem;padding:.45rem .9rem;background-color:hsl(var(--accent-pine-bg));border:1px solid hsl(var(--accent-pine) / .25);border-radius:var(--radius-pill);font-size:.8125rem;font-weight:600;color:hsl(var(--accent-pine))}.verified-check[data-astro-cid-sz7xmlte]{font-weight:900}.footer-heading[data-astro-cid-sz7xmlte]{display:block;font-family:var(--font-heading);font-size:.9375rem;font-weight:700;color:hsl(var(--text-primary));text-transform:uppercase;letter-spacing:.05em;margin-bottom:1rem}.footer-links-list[data-astro-cid-sz7xmlte]{list-style:none;display:flex;flex-direction:column;gap:.65rem;margin:0;padding:0}.footer-links-list[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]{font-size:.9375rem;color:hsl(var(--text-secondary));text-decoration:none;transition:color .15s ease}.footer-links-list[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]:hover{color:hsl(var(--primary));text-decoration:underline}.footer-bottom[data-astro-cid-sz7xmlte]{border-top:1px solid hsl(var(--border-subtle));padding-top:2rem;display:flex;flex-direction:column;gap:1.25rem}.privacy-statement[data-astro-cid-sz7xmlte]{font-size:.8125rem;line-height:1.55;color:hsl(var(--text-secondary));background:hsl(var(--bg-surface));padding:.85rem 1.15rem;border-radius:var(--radius-md);border:1px solid hsl(var(--border-subtle))}.copyright-text[data-astro-cid-sz7xmlte]{font-size:.8125rem;color:hsl(var(--text-secondary));margin-bottom:0}