:root{--classic-primary-color: #0066cc;--classic-primary-dark: #004499;--classic-text-color: #2c3e50;--classic-text-light: #546e7a;--classic-heading-color: #1a252f;--classic-bg-color: #e8eaed;--classic-content-bg: #ffffff;--classic-border-color: #d0d0d0;--classic-header-bg: #ffffff;--classic-footer-bg: #2c3e50;--classic-footer-text: #ecf0f1;--classic-font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--classic-font-body: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--classic-font-heading: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--classic-max-width: 1240px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--classic-font-body);line-height:1.7;color:var(--classic-text-color);background-color:var(--classic-bg-color);min-height:100vh;display:flex;flex-direction:column}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0, 0, 0, 0);white-space:nowrap;border:0}.visually-hidden:focus{position:static;width:auto;height:auto;margin:0;overflow:visible;clip:auto;white-space:normal;padding:.5rem 1rem;background:var(--classic-primary-color);color:var(--classic-content-bg);text-decoration:none;z-index:1000}a:focus-visible,button:focus-visible{outline:3px solid var(--classic-primary-color);outline-offset:2px}.classic-header{background-color:var(--classic-header-bg);border-bottom:1px solid var(--classic-border-color);box-shadow:0 2px 4px rgba(0, 0, 0, 0.05);position:sticky;top:0;z-index:100}.classic-header-container{max-width:var(--classic-max-width);margin:0 auto;padding:.5rem .5rem;display:flex;justify-content:space-between;align-items:center;gap:.5rem}@media(min-width: 768px){.classic-header-container{padding:1rem 1.5rem;gap:2rem}}.classic-header-brand a{color:var(--classic-heading-color);text-decoration:none;display:flex;align-items:center;gap:.75rem;transition:color .3s ease}.classic-header-brand a:hover{color:var(--classic-primary-color)}.classic-site-name{font-family:var(--classic-font-heading);font-size:1.5rem;font-weight:700}.classic-mobile-menu-toggle{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;padding:.5rem;width:40px;height:40px;background:var(--classic-primary-color);color:var(--classic-content-bg);border:none;border-radius:4px;font-size:0;cursor:pointer;transition:background-color .3s ease}.classic-mobile-menu-toggle::before,.classic-mobile-menu-toggle::after{content:"";display:block;width:20px;height:2px;background-color:var(--classic-content-bg);transition:all .3s ease}.classic-mobile-menu-toggle span{display:block;width:20px;height:2px;background-color:var(--classic-content-bg);transition:all .3s ease}.classic-mobile-menu-toggle:hover{background-color:var(--classic-primary-dark)}@media(min-width: 768px){.classic-mobile-menu-toggle{display:none}}.classic-nav{display:none;position:absolute;top:100%;left:0;right:0;background:var(--classic-header-bg);border-top:1px solid var(--classic-border-color);box-shadow:0 4px 6px rgba(0, 0, 0, 0.1);flex-direction:column;padding:1rem}.classic-nav.is-open{display:flex}.classic-nav-link,.classic-nav a{padding:.75rem 1rem;color:var(--classic-text-color);text-decoration:none;font-family:var(--classic-font-sans);font-size:.95rem;font-weight:500;transition:color .3s ease,background-color .3s ease;border-radius:4px;display:block}.classic-nav-link:hover,.classic-nav a:hover{color:var(--classic-primary-color);background-color:rgba(0, 102, 204, 0.1)}.classic-nav-dropdown{position:relative}.classic-nav-dropdown-toggle{width:100%;padding:.75rem 1rem;color:var(--classic-text-color);background:transparent;border:none;font-family:var(--classic-font-sans);font-size:.95rem;font-weight:500;text-align:left;cursor:pointer;transition:color .3s ease,background-color .3s ease;border-radius:4px;display:flex;justify-content:space-between;align-items:center}.classic-nav-dropdown-toggle:hover{color:var(--classic-primary-color);background-color:rgba(0, 102, 204, 0.1)}.classic-nav-dropdown-arrow{margin-left:.5rem;font-size:.8rem;transition:transform .3s ease}.classic-nav-dropdown-toggle[aria-expanded=true] .classic-nav-dropdown-arrow{transform:rotate(180deg)}.classic-nav-dropdown-menu{display:none;flex-direction:column;padding-left:1rem}.classic-nav-dropdown-menu.is-open{display:flex}.classic-nav-dropdown-item{padding:.5rem 1rem;color:var(--classic-text-color);text-decoration:none;font-family:var(--classic-font-sans);font-size:.9rem;font-weight:400;transition:color .3s ease,background-color .3s ease;border-radius:4px}.classic-nav-dropdown-item:hover{color:var(--classic-primary-color);background-color:rgba(0, 102, 204, 0.1)}@media(min-width: 768px){.classic-nav{display:flex;position:static;flex-direction:row;gap:.5rem;padding:0;border:none;box-shadow:none;background:transparent;align-items:center}.classic-nav-link,.classic-nav a{padding:.5rem .75rem}.classic-nav-dropdown{position:relative}.classic-nav-dropdown-toggle{width:auto;padding:.5rem .75rem}.classic-nav-dropdown-menu{display:none;position:absolute;top:100%;left:0;min-width:200px;background:var(--classic-header-bg);border:1px solid var(--classic-border-color);border-radius:4px;box-shadow:0 4px 12px rgba(0, 0, 0, 0.1);padding:.5rem 0;z-index:1000;margin-top:0;padding-top:.25rem}.classic-nav-dropdown:hover .classic-nav-dropdown-menu,.classic-nav-dropdown-menu:hover{display:flex}.classic-nav-dropdown-item{padding:.5rem 1rem;white-space:nowrap}}.classic-main{flex:1;padding:.75rem .5rem}@media(min-width: 768px){.classic-main{padding:3rem 1.5rem}}.classic-container{max-width:var(--classic-max-width);margin:0 auto}.classic-footer{background-color:var(--classic-footer-bg);color:var(--classic-footer-text);padding:1rem .5rem;margin-top:auto}@media(min-width: 768px){.classic-footer{padding:2rem 1.5rem}}.classic-footer-container{max-width:var(--classic-max-width);margin:0 auto;display:flex;flex-direction:column;gap:1.5rem;align-items:center;text-align:center}.classic-footer-nav{display:flex;flex-wrap:wrap;gap:1.5rem;justify-content:center}.classic-footer-nav a{color:var(--classic-footer-text);text-decoration:none;font-family:var(--classic-font-sans);font-size:.9rem;transition:color .3s ease}.classic-footer-nav a:hover{color:var(--classic-primary-color)}.classic-footer-copyright{font-size:.875rem;opacity:.8}@media(min-width: 768px){.classic-footer-container{flex-direction:row;justify-content:space-between;text-align:left}}h1,h2,h3,h4,h5,h6{font-family:var(--classic-font-heading);font-weight:700;line-height:1.3;color:var(--classic-heading-color)}a{color:var(--classic-primary-color);text-decoration:none;transition:color .3s ease}a:hover{color:var(--classic-primary-dark)}img{max-width:100%;height:auto;display:block}::selection{background-color:var(--classic-primary-color);color:var(--classic-content-bg)}.scroll-to-top-button{position:fixed;bottom:16px;right:16px;width:40px;height:40px;background-color:var(--classic-primary-color);border:2px solid var(--classic-primary-color);border-radius:4px;cursor:pointer;opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .3s ease,visibility .3s ease,transform .3s ease,background-color .3s ease,border-color .3s ease;z-index:999;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 8px rgba(0, 0, 0, 0.1);padding:0}.scroll-to-top-button svg{width:26px;height:16px;transform:rotate(180deg);transition:fill .3s ease}.scroll-to-top-button svg path{fill:var(--classic-content-bg);transition:fill .3s ease}.scroll-to-top-button--visible{opacity:1;visibility:visible;transform:translateY(0)}.scroll-to-top-button:focus-visible{outline:3px solid var(--classic-primary-color);outline-offset:2px}@media(min-width: 768px){.scroll-to-top-button{bottom:24px;right:24px;width:50px;height:50px}.scroll-to-top-button svg{width:30px;height:18px}}@media(prefers-reduced-motion: reduce){*,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important}.scroll-to-top-button{transition:none}}