:root{--primary-blue:#2563eb;--primary-blue-light:#3b82f6;--primary-blue-dark:#1d4ed8;--secondary-green:#059669;--secondary-green-light:#10b981;--secondary-green-dark:#047857;--accent-amber:#f59e0b;--accent-red:#dc2626;--accent-purple:#7c3aed;--neutral-50:#f9fafb;--neutral-100:#f3f4f6;--neutral-200:#e5e7eb;--neutral-300:#d1d5db;--neutral-400:#9ca3af;--neutral-500:#6b7280;--neutral-600:#4b5563;--neutral-700:#374151;--neutral-800:#1f2937;--neutral-900:#111827;--success:var(--secondary-green);--warning:var(--accent-amber);--error:var(--accent-red);--info:var(--primary-blue);--bg-primary:#fff;--bg-secondary:var(--neutral-50);--bg-tertiary:var(--neutral-100);--text-primary:var(--neutral-900);--text-secondary:var(--neutral-700);--text-tertiary:var(--neutral-500);--text-inverse:#fff;--border-light:var(--neutral-200);--border-medium:var(--neutral-300);--border-dark:var(--neutral-400);--shadow-sm:0 1px 2px 0 rgba(0,0,0,.05);--shadow-md:0 4px 6px -1px rgba(0,0,0,.1),0 2px 4px -2px rgba(0,0,0,.1);--shadow-lg:0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -4px rgba(0,0,0,.1);--shadow-xl:0 20px 25px -5px rgba(0,0,0,.1),0 8px 10px -6px rgba(0,0,0,.1);--radius-sm:.375rem;--radius-md:.5rem;--radius-lg:.75rem;--radius-xl:1rem;--radius-2xl:1.5rem;--space-1:.25rem;--space-2:.5rem;--space-3:.75rem;--space-4:1rem;--space-5:1.25rem;--space-6:1.5rem;--space-8:2rem;--space-10:2.5rem;--space-12:3rem;--space-16:4rem;--space-20:5rem;--space-24:6rem}.text-hero{letter-spacing:-.025em;font-size:3rem;font-weight:700;line-height:3.5rem}.text-section-title{letter-spacing:-.025em;font-size:2rem;font-weight:600;line-height:2.5rem}.text-subsection-title{font-size:1.5rem;font-weight:600;line-height:2rem}.text-body-large{font-size:1.125rem;font-weight:400;line-height:1.75rem}.text-body{font-size:1rem;font-weight:400;line-height:1.5rem}.text-body-small{font-size:.875rem;font-weight:400;line-height:1.25rem}.text-caption{text-transform:uppercase;letter-spacing:.05em;font-size:.75rem;font-weight:500;line-height:1rem}.welcome-book-card{background:var(--bg-primary);border:1px solid var(--border-light);border-radius:var(--radius-xl);box-shadow:var(--shadow-md);padding:var(--space-6);transition:box-shadow .2s ease-in-out}.welcome-book-card:hover{box-shadow:var(--shadow-lg)}.welcome-book-card-header{margin-bottom:var(--space-6);text-align:center}.welcome-book-icon{background:var(--primary-blue);width:3rem;height:3rem;color:var(--text-inverse);margin:0 auto var(--space-4);box-shadow:var(--shadow-md);border-radius:50%;justify-content:center;align-items:center;display:flex}.welcome-book-section{margin-bottom:var(--space-12)}@media (max-width:768px){.text-hero{font-size:2rem;line-height:2.5rem}.text-section-title{font-size:1.5rem;line-height:2rem}.text-subsection-title{font-size:1.25rem;line-height:1.75rem}.welcome-book-card{padding:var(--space-4)}.welcome-book-section{margin-bottom:var(--space-8)}.welcome-book-icon{width:2.5rem;height:2.5rem}}@media (prefers-contrast:high){.welcome-book-card{border-width:2px;border-color:var(--border-dark)}.welcome-book-icon{border:2px solid var(--text-primary)}}.text-primary{color:var(--text-primary)}.text-secondary{color:var(--text-secondary)}.text-tertiary{color:var(--text-tertiary)}.text-inverse{color:var(--text-inverse)}.bg-primary{background-color:var(--bg-primary)}.bg-secondary{background-color:var(--bg-secondary)}.bg-tertiary{background-color:var(--bg-tertiary)}.border-light{border-color:var(--border-light)}.border-medium{border-color:var(--border-medium)}.border-dark{border-color:var(--border-dark)}.category-welcome{--category-color:var(--primary-blue);--category-bg:#ebf8ff}.category-checkin{--category-color:var(--secondary-green);--category-bg:#f0fdf4}.category-rules{--category-color:var(--accent-red);--category-bg:#fef2f2}.category-emergency{--category-color:var(--accent-amber);--category-bg:#fffbeb}.category-appliances{--category-color:var(--accent-purple);--category-bg:#f5f3ff}.category-neighborhood{--category-color:var(--secondary-green);--category-bg:#ecfdf5}@media (prefers-reduced-motion:reduce){*{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}.welcome-book-card:focus-within,button:focus,a:focus{outline:2px solid var(--primary-blue);outline-offset:2px}@media print{.welcome-book-card{box-shadow:none;border:1px solid var(--border-medium);break-inside:avoid;margin-bottom:var(--space-4)}.welcome-book-section{margin-bottom:var(--space-6)}}