.skip-link{position:fixed;top:10px;left:10px;z-index:9999;padding:10px 14px;background:var(--nd-text);color:var(--nd-bg);transform:translateY(-150%)}.skip-link:focus{transform:none}
.nd-header{position:sticky;top:0;z-index:100;border-bottom:1px solid transparent;transition:background var(--nd-base),border-color var(--nd-base),transform var(--nd-base) var(--nd-ease)}
.nd-header.is-scrolled{border-color:var(--nd-line);background:color-mix(in srgb,var(--nd-bg) 80%,transparent);backdrop-filter:blur(22px) saturate(140%)}
.nd-header-inner{width:var(--nd-content);height:76px;margin:auto;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:clamp(18px,4vw,54px)}
.nd-brand{display:flex;align-items:center;gap:10px;color:var(--nd-text);text-decoration:none}.nd-brand span{font:600 1.25rem/1 var(--nd-serif);letter-spacing:-.04em}.nd-brand small{padding-left:10px;border-left:1px solid var(--nd-line);color:var(--nd-muted);font-size:.6rem;letter-spacing:.14em}
.nd-primary-nav{display:flex;justify-content:center;gap:clamp(13px,2.2vw,30px)}.nd-primary-nav a{position:relative;color:var(--nd-muted);font-size:.75rem;font-weight:600;text-decoration:none}.nd-primary-nav a::after{content:"";position:absolute;right:0;bottom:-8px;left:0;height:1px;background:currentColor;transform:scaleX(0);transition:transform var(--nd-base) var(--nd-ease)}.nd-primary-nav a:hover,.nd-primary-nav a[aria-current="page"]{color:var(--nd-text)}.nd-primary-nav a:hover::after,.nd-primary-nav a[aria-current="page"]::after{transform:scaleX(1)}
.nd-header-actions{display:flex;gap:8px}.nd-icon-button,.nd-menu-button{height:42px;border:1px solid var(--nd-line);border-radius:999px;background:var(--nd-surface);color:var(--nd-text);cursor:pointer}.nd-icon-button{width:42px}.nd-menu-button{display:none;padding:0 16px;gap:10px;align-items:center}.nd-menu-button i{width:6px;height:6px;border-radius:50%;background:currentColor}
.nd-edition-link{display:inline-flex;align-items:center;height:42px;padding:0 15px;border:1px solid var(--nd-line);border-radius:999px;background:var(--nd-surface);color:var(--nd-text);font-size:.68rem;font-weight:700;text-decoration:none}.nd-edition-link:visited{color:var(--nd-text)}.nd-edition-link:hover{border-color:var(--nd-accent);transform:translateY(-2px)}.nd-edition-link:active{transform:translateY(0)}
.nd-mobile-nav{display:none}.nd-main{min-height:calc(100vh - 76px);padding-bottom:100px}.nd-section{width:var(--nd-content);margin:0 auto;padding:clamp(58px,9vw,128px) 0 0}.nd-reading-shell{width:var(--nd-reading);margin:auto;padding-top:clamp(38px,7vw,90px)}
.nd-section-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(240px,.45fr);gap:28px;align-items:end;margin-bottom:42px}.nd-hero h1{margin:0;font:600 var(--nd-font-display)/.94 var(--nd-serif);letter-spacing:-.045em}.nd-section-head h1{margin:0;font:600 var(--nd-font-section)/1 var(--nd-serif);letter-spacing:-.035em}.nd-section-head p{margin:0;color:var(--nd-muted);max-width:45ch}
.nd-footer{width:var(--nd-content);margin:100px auto 0;padding:28px 0;border-top:1px solid var(--nd-line);display:flex;justify-content:space-between;gap:20px;color:var(--nd-muted);font-size:.72rem}
.nd-loading{min-height:70vh;display:grid;place-content:center;justify-items:center;gap:20px;color:var(--nd-muted);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase}
.nd-scroll-progress{position:fixed;z-index:150;left:0;right:0;bottom:0;height:2px;background:transparent}.nd-scroll-progress i{display:block;width:100%;height:100%;background:var(--nd-accent);transform:scaleX(0);transform-origin:left}
@media(max-width:820px){.nd-primary-nav,.nd-edition-link{display:none}.nd-header-inner{grid-template-columns:1fr auto;gap:12px;height:66px}.nd-header-actions{grid-column:2}.nd-menu-button{display:flex}.nd-mobile-nav{position:fixed;inset:66px 10px auto;display:grid;gap:18px;padding:18px;border:1px solid var(--nd-line);border-radius:20px;background:color-mix(in srgb,var(--nd-bg) 86%,transparent);box-shadow:var(--nd-shadow);backdrop-filter:blur(28px);opacity:0;visibility:hidden;transform:translateY(-10px) scale(.98);transition:all var(--nd-base) var(--nd-ease)}.nd-mobile-nav.is-open{opacity:1;visibility:visible;transform:none}.nd-mobile-nav nav{display:grid;grid-template-columns:1fr 1fr;gap:6px}.nd-mobile-nav a{padding:13px;border-radius:10px;color:var(--nd-text);text-decoration:none}.nd-mobile-nav a:hover{background:var(--nd-accent-soft)}.nd-classic-link{border-top:1px solid var(--nd-line);display:flex;justify-content:space-between}.nd-section-head{grid-template-columns:1fr}.nd-footer{flex-direction:column}.nd-main{min-height:calc(100vh - 66px)}}
@media(max-width:380px){:root{--nd-content:calc(100vw - 20px);--nd-reading:calc(100vw - 20px)}.nd-section{padding-top:46px}.nd-header-inner{width:calc(100vw - 20px)}}
.nd-brand:visited{color:var(--nd-text)}.nd-brand:hover span{color:var(--nd-accent)}.nd-brand:active{transform:translateY(1px)}
.nd-primary-nav a:visited{color:var(--nd-muted)}.nd-primary-nav a[aria-current="page"]:visited{color:var(--nd-text)}.nd-primary-nav a:active{color:var(--nd-accent);transform:translateY(1px)}.nd-primary-nav a:focus-visible{border-radius:3px;color:var(--nd-text)}
.nd-mobile-nav a:visited{color:var(--nd-text)}.nd-mobile-nav a:active{background:var(--nd-accent-soft);transform:scale(.99)}
.nd-icon-button svg,.nd-search-form svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round}.nd-icon-button:hover,.nd-icon-button:focus-visible,.nd-menu-button:hover,.nd-menu-button:focus-visible{border-color:var(--nd-accent);background:var(--nd-accent-soft)}.nd-icon-button:active,.nd-menu-button:active{transform:scale(.94)}
.nd-edition-link:focus-visible,.nd-brand:focus-visible{border-radius:999px}.nd-mobile-nav a:focus-visible{background:var(--nd-accent-soft)}