:root{--tiffany:#0abab5;--tiffany-light:#2dd4d0;--tiffany-dark:#0e8f8b;--tiffany-glow:#5eead4;--tiffany-tint:#f4fdfc;--walk-informer:#f4fdfccc;--tiffany-dim:#0abab51f;--tiffany-border:#0abab540;--bg:#f5f5f5;--surface:#fff;--surface-2:#f9f9f9;--border:#ebebeb;--stroke:#e0e0e0;--ink:#111;--secondary:#555;--muted:#999;--dark-bg:#0a1414;--dark-surface:#122020;--dark-surface-2:#182b2b;--dark-border:#1e3030;--dark-stroke:#2a4141;--dark-divider:#223636;--dark-text:#f0fafa;--dark-secondary:#6aadab;--dark-muted:#5a8b89;--dark-disabled:#3a5453;--dark-tiffany-tint:#0abab524;--dark-control-scrim:#0914149e;--dark-control-hairline:#ffffff1a;--dark-success:#22c55e;--dark-success-tint:#22c55e26;--dark-error:#f87171;--dark-error-tint:#f8717126;--dark-error-border:#f8717152;--dark-warning:#fbbf24;--dark-warning-tint:#fbbf2426;--dark-warning-border:#fbbf2452;--dark-star-empty:#2a4141;--success:#16a34a;--success-tint:#16a34a14;--error:#dc2626;--error-tint:#dc262614;--error-border:#dc26264d;--warning:#d97706;--warning-tint:#d9770614;--warning-border:#d977064d;--star:#f5a623;--star-empty:#e0e0e0;--divider:#f0f0f0;--diff-easy:var(--success);--diff-medium:var(--warning);--diff-hard:var(--error);--text-primary:var(--ink);--text-secondary:var(--secondary);--text-muted:var(--muted);--text-on-accent:#fff;--disabled:#bdbdbd;--accent-on-surface:var(--tiffany);--surface-card:var(--surface);--surface-app:var(--bg);--surface-chip:var(--tiffany-tint);--control-plate:#fff;--control-hairline:transparent;--counter-opacity:.3;--counter-figure-rgb:10 186 181;--counter-scrim:#09141457;--counter-outline:#09141499;--counter-outline-width:2px}[data-theme=dark]{--bg:var(--dark-bg);--surface:var(--dark-surface);--surface-2:var(--dark-surface-2);--border:var(--dark-border);--stroke:var(--dark-stroke);--divider:var(--dark-divider);--ink:var(--dark-text);--secondary:var(--dark-secondary);--muted:var(--dark-muted);--disabled:var(--dark-disabled);--success:var(--dark-success);--success-tint:var(--dark-success-tint);--error:var(--dark-error);--error-tint:var(--dark-error-tint);--error-border:var(--dark-error-border);--warning:var(--dark-warning);--warning-tint:var(--dark-warning-tint);--warning-border:var(--dark-warning-border);--star-empty:var(--dark-star-empty);--diff-easy:var(--dark-success);--diff-medium:var(--dark-warning);--diff-hard:var(--dark-error);--text-primary:var(--dark-text);--text-secondary:var(--dark-secondary);--text-muted:var(--dark-muted);--accent-on-surface:var(--tiffany-light);--surface-card:var(--dark-surface);--surface-app:var(--dark-bg);--surface-chip:var(--dark-tiffany-tint);--tiffany-tint:var(--dark-tiffany-tint);--walk-informer:var(--dark-tiffany-tint);--control-plate:var(--dark-control-scrim);--control-hairline:var(--dark-control-hairline);--counter-figure-rgb:94 234 212;--counter-scrim:#00000047;--counter-outline:#0000008c}@media (prefers-color-scheme:dark){[data-theme=auto]{--bg:var(--dark-bg);--surface:var(--dark-surface);--surface-2:var(--dark-surface-2);--border:var(--dark-border);--stroke:var(--dark-stroke);--divider:var(--dark-divider);--ink:var(--dark-text);--secondary:var(--dark-secondary);--muted:var(--dark-muted);--disabled:var(--dark-disabled);--success:var(--dark-success);--success-tint:var(--dark-success-tint);--error:var(--dark-error);--error-tint:var(--dark-error-tint);--error-border:var(--dark-error-border);--warning:var(--dark-warning);--warning-tint:var(--dark-warning-tint);--warning-border:var(--dark-warning-border);--star-empty:var(--dark-star-empty);--diff-easy:var(--dark-success);--diff-medium:var(--dark-warning);--diff-hard:var(--dark-error);--text-primary:var(--dark-text);--text-secondary:var(--dark-secondary);--text-muted:var(--dark-muted);--accent-on-surface:var(--tiffany-light);--surface-card:var(--dark-surface);--surface-app:var(--dark-bg);--surface-chip:var(--dark-tiffany-tint);--tiffany-tint:var(--dark-tiffany-tint);--walk-informer:var(--dark-tiffany-tint);--control-plate:var(--dark-control-scrim);--control-hairline:var(--dark-control-hairline);--counter-figure-rgb:94 234 212;--counter-scrim:#00000047;--counter-outline:#0000008c}}:root{--font-display:"Montserrat", system-ui, sans-serif;--font-body:"Nunito", system-ui, sans-serif;--font-mono:"JetBrains Mono", ui-monospace, monospace;--fw-regular:400;--fw-medium:500;--fw-semibold:600;--fw-bold:700;--fw-extra:800;--fs-counter:76px;--fs-hero:48px;--fs-title:32px;--fs-h:24px;--fs-card:20px;--fs-body-lg:17px;--fs-body:15px;--fs-label:14px;--fs-button:16px;--fs-meta:13px;--fs-caption:12px;--fs-micro:10px;--lh-tight:1.1;--lh-snug:1.2;--lh-normal:1.5;--lh-relaxed:1.65;--ls-display:-.5px;--ls-hero:-1px;--ls-label:2px;--ls-normal:0;--text-hero:var(--fw-semibold) var(--fs-hero)/var(--lh-tight) var(--font-display);--text-title:var(--fw-semibold) var(--fs-title)/var(--lh-tight) var(--font-display);--text-card:var(--fw-semibold) var(--fs-card)/var(--lh-snug) var(--font-display);--text-lead:var(--fw-regular) var(--fs-body-lg)/var(--lh-normal) var(--font-body);--text-default:var(--fw-regular) var(--fs-body)/var(--lh-relaxed) var(--font-body);--text-button:var(--fw-bold) var(--fs-button)/1 var(--font-display);--text-caption:var(--fw-semibold) var(--fs-caption)/var(--lh-normal) var(--font-body);--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-6:24px;--space-8:32px;--space-12:48px;--space-16:64px;--margin-list:16px;--margin-auth:24px;--control-height:48px;--input-height:52px;--touch-min:44px;--nav-height:60px;--radius-xs:4px;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:24px;--radius-pill:100px;--radius-full:50%;--shadow-card:0 1px 6px #0000000f;--shadow-raised:0 2px 10px #00000014;--shadow-sheet:0 -2px 16px #0000001a;--shadow-pop:0 8px 28px #00000029;--focus-ring:0 0 0 3px var(--tiffany-dim);--dur-fast:.1s;--dur-short:.2s;--dur-medium:.28s;--dur-long:.38s;--ease-standard:cubic-bezier(.4, 0, .2, 1);--ease-enter:cubic-bezier(0, 0, .2, 1);--ease-exit:cubic-bezier(.4, 0, 1, 1);--ease-spring:cubic-bezier(.2, .8, .2, 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var(--space-4);background:var(--surface);color:var(--ink);border-radius:var(--radius-md);box-shadow:var(--shadow-pop);font-weight:var(--fw-bold);position:absolute;transform:translateY(-200%)}.skip-link:focus{transform:none}.container{width:100%;max-width:var(--page-max);padding-left:var(--page-pad);padding-right:var(--page-pad);margin:0 auto}.veil{background:var(--veil-page)}.eyebrow{font-family:var(--font-display);font-weight:var(--fw-semibold);font-size:var(--fs-eyebrow);letter-spacing:var(--ls-label);text-transform:uppercase;color:var(--tiffany-dark);margin:0 0 14px}.section-title{font-family:var(--font-display);font-weight:var(--fw-semibold);font-size:var(--fs-h2);line-height:var(--lh-tight);letter-spacing:var(--ls-hero);color:var(--ink);text-wrap:balance;margin:0}.section-lead{font-size:var(--fs-body-lg);color:var(--secondary);text-wrap:pretty;margin:0;line-height:1.6}.section-head{text-align:center;max-width:620px;margin:0 auto 52px}.section-head 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(width<=820px){.grid-2{grid-template-columns:1fr;gap:40px}}@media (width<=600px){.grid-3,.grid-4{grid-template-columns:1fr}}.btn{justify-content:center;align-items:center;gap:var(--space-2);height:var(--control-height);padding:0 var(--space-6);border-radius:var(--radius-md);background:var(--tiffany);color:var(--text-on-accent);font:var(--text-button);white-space:nowrap;cursor:pointer;transition:background var(--dur-short) ease;border:none;text-decoration:none;display:inline-flex}.btn:hover{background:var(--tiffany-light)}.btn[disabled]{cursor:default;opacity:.6}.btn-outline{color:var(--ink);border:2px solid var(--stroke);background:0 0}.btn-outline:hover{border-color:var(--tiffany);background:0 0}.input{width:100%;height:var(--control-height);padding:0 var(--space-4);background:var(--surface);border:1.5px solid var(--stroke);border-radius:var(--radius-md);color:var(--ink);font-family:var(--font-body);font-size:var(--fs-body);transition:border-color var(--dur-short), box-shadow 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