:root{--color-primary:hsl(211, 100%, 50%);--color-primary-hover:hsl(211, 100%, 60%);--color-primary-soft:hsl(211, 100%, 50% / 0.15);--color-accent:hsl(280, 80%, 60%);--color-accent-hover:hsl(280, 80%, 70%);--color-bg:hsl(0, 0%, 0%);--color-bg-secondary:hsl(0, 0%, 5%);--color-surface:hsl(0, 0%, 10%);--color-surface-hover:hsl(0, 0%, 14%);--color-surface-active:hsl(0, 0%, 18%);--color-surface-raised:hsl(0, 0%, 12%);--color-surface-elevated:hsl(0, 0%, 16%);--color-border:hsl(0, 0%, 15%);--color-border-subtle:hsl(0, 0%, 12%);--color-text:hsl(0, 0%, 98%);--color-text-secondary:hsl(0, 0%, 72%);--color-text-muted:hsl(0, 0%, 50%);--color-success:hsl(142, 70%, 45%);--color-warning:hsl(38, 92%, 50%);--color-error:hsl(0, 84%, 60%);--color-uhd:hsl(25, 95%, 53%);--color-hd:hsl(0, 72%, 51%);--color-sd:hsl(0, 0%, 40%);--color-tag-bg:hsl(0, 0%, 18%);--color-tag-bg-hover:hsl(0, 0%, 25%);--space-xs:4px;--space-sm:8px;--space-md:16px;--space-lg:24px;--space-xl:32px;--space-2xl:48px;--space-3xl:64px;--font-family:-apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, sans-serif;--font-size-xs:0.75rem;--font-size-sm:0.875rem;--font-size-base:0.9375rem;--font-size-md:1rem;--font-size-lg:1.125rem;--font-size-xl:1.375rem;--font-size-2xl:1.75rem;--font-size-3xl:2.25rem;--font-weight-normal:400;--font-weight-medium:500;--font-weight-semibold:600;--font-weight-bold:700;--line-height-tight:1.2;--line-height-normal:1.4;--line-height-relaxed:1.6;--letter-spacing-tight:-0.02em;--radius-sm:6px;--radius-md:10px;--radius-lg:14px;--radius-xl:20px;--radius-2xl:24px;--radius-full:9999px;--shadow-sm:0 2px 8px hsl(0 0% 0% / 0.3);--shadow-md:0 4px 16px hsl(0 0% 0% / 0.4);--shadow-lg:0 8px 32px hsl(0 0% 0% / 0.5);--shadow-card:0 1px 2px hsl(0 0% 0% / 0.2),
        0 4px 12px hsl(0 0% 0% / 0.25);--shadow-card-hover:0 2px 4px hsl(0 0% 0% / 0.2),
        0 12px 28px hsl(0 0% 0% / 0.35);--ease-out:cubic-bezier(0.25, 1, 0.5, 1);--ease-spring:cubic-bezier(0.34, 1.56, 0.64, 1);--transition-fast:180ms var(--ease-out);--transition-normal:280ms var(--ease-out);--transition-slow:400ms var(--ease-out);--z-dropdown:100;--z-tooltip:200;--z-sticky:500;--z-fixed:1000;--z-modal:1100;--container-max:1800px;--header-height:64px;--grid-gap:20px;--sidebar-width:280px}body.admin-bar{--header-offset:32px}@media (max-width:782px){body.admin-bar{--header-offset:46px}}*,*::before,*::after{box-sizing:border-box}*{margin:0;padding:0}html{-moz-text-size-adjust:none;-webkit-text-size-adjust:none;text-size-adjust:none;scroll-behavior:smooth}body{min-height:100vh;font-family:var(--font-family);font-size:var(--font-size-base);line-height:var(--line-height-normal);color:var(--color-text-secondary);background-color:var(--color-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}img,picture,video,canvas,svg{display:block;max-width:100%;height:auto}input,button,textarea,select{font:inherit}p,h1,h2,h3,h4,h5,h6{overflow-wrap:break-word}h1,h2,h3,h4,h5,h6{color:var(--color-text);font-weight:var(--font-weight-semibold);line-height:var(--line-height-tight)}h1{font-size:var(--font-size-3xl)}h2{font-size:var(--font-size-2xl)}h3{font-size:var(--font-size-xl)}h4{font-size:var(--font-size-lg)}h5{font-size:var(--font-size-base)}h6{font-size:var(--font-size-sm)}a{color:var(--color-accent);text-decoration:none;transition:color var(--transition-fast)}a:hover,a:focus{color:var(--color-text)}ul,ol{list-style:none}:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}:focus:not(:focus-visible){outline:none}::selection{background-color:var(--color-primary);color:var(--color-text)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.sr-only:focus{position:fixed;top:var(--space-sm);left:var(--space-sm);z-index:var(--z-tooltip);width:auto;height:auto;padding:var(--space-md) var(--space-lg);margin:0;overflow:visible;clip:auto;white-space:normal;background-color:var(--color-surface);color:var(--color-text);border-radius:var(--radius-md);box-shadow:var(--shadow-lg)}.skip-link{position:absolute;top:-100%;left:var(--space-md);z-index:var(--z-tooltip);padding:var(--space-sm) var(--space-md);background-color:var(--color-primary);color:var(--color-text);border-radius:var(--radius-md);transition:top var(--transition-fast)}.skip-link:focus{top:var(--space-md)}.text-center{text-align:center}.text-muted{color:var(--color-text-muted)}.text-bright{color:var(--color-text)}.nowrap{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.visually-hidden{border:0;clip:rect(1px,1px,1px,1px);clip-path:inset(50%);height:1px;margin:-1px;overflow:hidden;padding:0;position:absolute;width:1px;word-wrap:normal!important}.container{width:100%;max-width:var(--container-max);margin-inline:auto;padding-inline:var(--space-md)}.site{display:flex;flex-direction:column;min-height:100vh}.site-main{flex:1}.site-layout{min-height:calc(100vh - var(--header-height))}.site-layout__content{min-width:0}.section{padding-block:var(--space-xl)}.section--compact{padding-block:var(--space-lg)}.video-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--grid-gap)}.video-grid.masonry-active{display:block;position:relative}.video-grid.masonry-active .video-card{position:absolute;left:0;top:0;opacity:0}.video-grid.masonry-ready .video-card{opacity:1;transition:opacity 0.3s ease}.page-loader{position:fixed;inset:0;z-index:9999;background:var(--color-bg);display:flex;align-items:center;justify-content:center;transition:opacity 0.3s ease,visibility 0.3s ease}.page-loader--hidden{opacity:0;visibility:hidden;pointer-events:none}.page-loader__spinner{width:48px;height:48px;border:3px solid var(--color-surface-raised);border-top-color:var(--color-primary);border-radius:50%;animation:spin 0.8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media (max-width:1200px){.video-grid{grid-template-columns:repeat(3,1fr)}}@media (max-width:768px){.video-grid{grid-template-columns:repeat(2,1fr)}}.sidebar-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--grid-gap)}.layout-two-col{display:grid;grid-template-columns:1fr 300px;gap:var(--space-xl)}@media (max-width:992px){.layout-two-col{grid-template-columns:1fr}}.flex{display:flex}.flex-wrap{flex-wrap:wrap}.flex-center{display:flex;align-items:center;justify-content:center}.flex-between{display:flex;align-items:center;justify-content:space-between}.flex-start{display:flex;align-items:center;justify-content:flex-start}.gap-xs{gap:var(--space-xs)}.gap-sm{gap:var(--space-sm)}.gap-md{gap:var(--space-md)}.gap-lg{gap:var(--space-lg)}.mt-0{margin-top:0}.mt-sm{margin-top:var(--space-sm)}.mt-md{margin-top:var(--space-md)}.mt-lg{margin-top:var(--space-lg)}.mt-xl{margin-top:var(--space-xl)}.mb-0{margin-bottom:0}.mb-sm{margin-bottom:var(--space-sm)}.mb-md{margin-bottom:var(--space-md)}.mb-lg{margin-bottom:var(--space-lg)}.mb-xl{margin-bottom:var(--space-xl)}.pt-0{padding-top:0}.pt-sm{padding-top:var(--space-sm)}.pt-md{padding-top:var(--space-md)}.pt-lg{padding-top:var(--space-lg)}.pt-xl{padding-top:var(--space-xl)}.pb-0{padding-bottom:0}.pb-sm{padding-bottom:var(--space-sm)}.pb-md{padding-bottom:var(--space-md)}.pb-lg{padding-bottom:var(--space-lg)}.pb-xl{padding-bottom:var(--space-xl)}.px-md{padding-inline:var(--space-md)}.py-md{padding-block:var(--space-md)}.site-header{min-height:var(--header-height)}.navbar{position:fixed;top:0;left:0;right:0;z-index:var(--z-fixed);height:var(--header-height);background:hsl(220 15% 8% / .75);backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid hsl(220 10% 20% / .4)}body.admin-bar .navbar{top:var(--header-offset,32px)}.navbar__inner{display:flex;align-items:center;height:100%;gap:var(--space-lg)}.navbar__brand{flex-shrink:0}.navbar__brand img{max-height:26px;width:auto}.navbar__logo-text{font-size:var(--font-size-lg);font-weight:var(--font-weight-bold);color:var(--color-text);letter-spacing:var(--letter-spacing-tight)}.navbar__nav{display:flex;align-items:center;gap:var(--space-sm)}.navbar__link{display:inline-flex;align-items:center;gap:var(--space-sm);height:36px;padding:0 var(--space-md);fon