:root{--primary-color:#1e40af;--primary-dark:#1d4ed8;--white:#ffffff;--gray-50:#f9fafb;--gray-200:#e5e7eb;--gray-500:#6b7280;--gray-700:#374151;--gray-900:#111827;--font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;--font-size-base:1rem;--font-size-lg:1.125rem;--font-size-xl:1.25rem;--font-size-3xl:1.875rem;--font-size-4xl:2.25rem;--font-weight-medium:500;--font-weight-semibold:600;--font-weight-bold:700;--line-height-tight:1.25;--line-height-normal:1.5;--spacing-xs:0.25rem;--spacing-sm:0.5rem;--spacing-md:1rem;--spacing-lg:1.5rem;--spacing-xl:2rem;--spacing-2xl:2.5rem;--spacing-3xl:3rem;--spacing-4xl:4rem;--radius-md:0.375rem;--radius-lg:0.5rem;--radius-xl:0.75rem;--radius-full:9999px;--shadow-lg:0 10px 15px -3px rgba(0,0,0,0.1),0 4px 6px -2px rgba(0,0,0,0.05);--transition-fast:150ms ease-in-out;--container-xl:1280px}*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{font-family:var(--font-family);font-size:var(--font-size-base);line-height:var(--line-height-normal);color:var(--gray-900);background-color:var(--white);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*:focus{outline:2px solid var(--primary-color);outline-offset:2px}*:focus:not(:focus-visible){outline:none}.skip-link{position:absolute;top:-40px;left:6px;background:var(--primary-color);color:var(--white);padding:8px;border-radius:var(--radius-md);text-decoration:none;z-index:1000;font-weight:var(--font-weight-medium)}.skip-link:focus{top:6px}.container{width:100%;max-width:var(--container-xl);margin:0 auto;padding:0 var(--spacing-md)}.header{background:var(--white);border-bottom:1px solid var(--gray-200);position:sticky;top:0;z-index:50;width:100%;box-shadow:0 1px 3px rgba(0,0,0,0.1)}.nav-container{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-md);max-width:var(--container-xl);margin:0 auto}.nav-brand .logo{font-size:var(--font-size-xl);font-weight:var(--font-weight-bold);color:var(--gray-900);text-decoration:none}.logo-accent{color:var(--primary-color)}.nav-menu{display:none}.nav-toggle{display:flex;flex-direction:column;justify-content:center;width:24px;height:24px;background:none;border:none;cursor:pointer;padding:0}.hamburger{display:block;position:relative;width:20px;height:2px;background:var(--gray-700);transition:all var(--transition-fast)}.hamburger::before,.hamburger::after{content:'';position:absolute;width:20px;height:2px;background:var(--gray-700);transition:all var(--transition-fast)}.hamburger::before{top:-6px}.hamburger::after{bottom:-6px}@media (min-width:768px){.nav-menu{display:block !important}.nav-list{display:flex;list-style:none;gap:var(--spacing-lg);margin:0;padding:0}.nav-list a{color:var(--gray-700);text-decoration:none;padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--radius-md);font-weight:var(--font-weight-medium);transition:all var(--transition-fast)}.nav-list a:hover{color:var(--primary-color);background:var(--gray-50)}.nav-toggle{display:none}}.hero{background:linear-gradient(135deg,var(--primary-color) 0%,var(--primary-dark) 100%);color:var(--white);padding:var(--spacing-4xl) 0;text-align:center}.hero-title{font-size:var(--font-size-3xl);font-weight:var(--font-weight-bold);margin-bottom:var(--spacing-lg);color:var(--white)}.hero-subtitle{font-size:var(--font-size-lg);margin-bottom:var(--spacing-3xl);color:rgba(255,255,255,0.9);max-width:600px;margin-left:auto;margin-right:auto}.search-form{margin-bottom:var(--spacing-2xl)}.search-container{position:relative;max-width:500px;margin:0 auto}.search-input{width:100%;padding:var(--spacing-md) var(--spacing-xl) var(--spacing-md) var(--spacing-md);font-size:var(--font-size-lg);border:none;border-radius:var(--radius-xl);background:var(--white);color:var(--gray-900);box-shadow:var(--shadow-lg)}.search-input::placeholder{color:var(--gray-500)}.search-button{position:absolute;right:var(--spacing-xs);top:50%;transform:translateY(-50%);background:var(--primary-color);color:var(--white);border:none;border-radius:var(--radius-lg);padding:var(--spacing-sm);cursor:pointer;transition:background var(--transition-fast)}.search-button:hover{background:var(--primary-dark)}.search-help{margin-top:var(--spacing-sm);font-size:0.875rem;color:rgba(255,255,255,0.8)}.quick-filters{display:flex;flex-wrap:wrap;gap:var(--spacing-md);justify-content:center}.filter-button{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-md) var(--spacing-lg);background:rgba(255,255,255,0.1);color:var(--white);border:1px solid rgba(255,255,255,0.2);border-radius:var(--radius-full);font-size:0.875rem;font-weight:var(--font-weight-medium);cursor:pointer;transition:all var(--transition-fast);backdrop-filter:blur(8px)}.filter-button:hover{background:rgba(255,255,255,0.2);transform:translateY(-1px)}.filter-icon{font-size:var(--font-size-base)}@media (min-width:640px){.container{padding:0 var(--spacing-lg)}.hero-title{font-size:var(--font-size-4xl)}}@media (min-width:1024px){.container{padding:0 var(--spacing-xl)}.nav-container{padding:var(--spacing-md) var(--spacing-xl)}.hero{padding:var(--spacing-4xl) 0 calc(var(--spacing-4xl)+var(--spacing-2xl)) 0}}@keyframes spin{0%{transform:rotate(0deg)}100%{transform:rotate(360deg)}}@media (prefers-reduced-motion:reduce){*{animation-duration:0.01ms !important;animation-iteration-count:1 !important;transition-duration:0.01ms !important}html{scroll-behavior:auto}}