/* ── Global navigation ──
   A preselector by job: Software, Products, OEM and Help each open a flyout under the bar.
   Nova keeps its own link next to the shop, so it stays one tap away on every screen. */
.gnav{position:sticky;top:env(safe-area-inset-top,0px);z-index:60;background:rgba(28,29,26,.82);-webkit-backdrop-filter:saturate(150%) blur(20px);backdrop-filter:saturate(150%) blur(20px);border-bottom:1px solid var(--hairline)}
.gnav__in{display:flex;align-items:center;gap:4px;min-height:56px}
.gnav__logo{display:inline-flex;align-items:center;min-height:48px;margin-right:auto;color:var(--ink);text-decoration:none}
.gnav__logo .wm{width:104px;height:auto}
.gnav__groups{display:flex;gap:2px;margin:0;padding:0;list-style:none}
.gnav__btn{display:inline-flex;align-items:center;gap:4px;min-height:48px;padding:0 8px 0 12px;border:0;border-radius:12px;background:none;font:500 14px/20px var(--font);color:var(--ink-2);cursor:pointer;transition:color var(--dur-fast) var(--ease),background-color var(--dur-fast) var(--ease)}
.gnav__btn:hover,.gnav__btn[aria-expanded="true"]{color:var(--ink);background:rgba(255,255,255,.06)}
.gnav__btn[data-current]{color:var(--ink)}
.gnav__btn svg{width:16px;height:16px;color:var(--ink-3);transition:transform var(--dur) var(--ease)}
.gnav__btn[aria-expanded="true"] svg{transform:rotate(180deg)}
.gnav__nova{display:inline-flex;align-items:center;gap:8px;min-height:48px;padding-inline:12px;margin-left:4px;border-radius:12px;font-size:14px;line-height:20px;font-weight:600;color:var(--ink);text-decoration:none}
.gnav__nova:hover{background:rgba(255,255,255,.06)}
.gnav__new{padding:1px 7px;border-radius:9999px;background:var(--green-tint);border:1px solid rgba(81,178,137,.5);font-size:11px;line-height:16px;font-weight:600;letter-spacing:.04em;color:var(--green-hi)}
.gnav__icon{display:grid;place-items:center;width:48px;height:48px;border-radius:12px;color:var(--ink-2);text-decoration:none;background:none;border:0;cursor:pointer}
.gnav__icon:hover{color:var(--ink);background:var(--fill-hover,rgba(255,255,255,.06))}
.gnav__icon svg{width:22px;height:22px}
/* Flyouts: full width under the bar, content on the page grid */
.gnav__fly{position:absolute;left:0;right:0;top:100%;background:var(--deep);border-bottom:1px solid var(--hairline);box-shadow:0 40px 60px -30px rgba(0,0,0,.85)}
.gnav__fly-in{display:grid;gap:16px;padding-block:20px 24px}
.gnav__items{display:grid;grid-template-columns:repeat(var(--cols,4),minmax(0,1fr));gap:4px;margin:0;padding:0;list-style:none}
.gnav__items a{display:grid;align-content:start;gap:2px;height:100%;box-sizing:border-box;padding:14px 16px;border-radius:16px;text-decoration:none;transition:background-color var(--dur-fast) var(--ease)}
.gnav__items a:hover{background:var(--surface)}
.gnav__items b{display:flex;align-items:center;gap:8px;font-size:17px;line-height:24px;font-weight:600;color:var(--ink)}
.gnav__items span:not(.gnav__new){font-size:14px;line-height:20px;color:var(--ink-3)}
.gnav__cols{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}
.gnav__col p{margin:0 0 4px;padding:14px 16px 0;font:600 12px/18px var(--font);letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3)}
.gnav__col ul{display:grid;margin:0;padding:0;list-style:none}
.gnav__col a{display:flex;align-items:center;min-height:44px;padding-inline:16px;border-radius:12px;font-size:17px;line-height:24px;font-weight:600;color:var(--ink);text-decoration:none;transition:background-color var(--dur-fast) var(--ease)}
.gnav__col a:hover{background:var(--surface)}
.gnav__more{display:flex;flex-wrap:wrap;gap:0 28px;margin:0;padding:12px 16px 0;border-top:1px solid var(--hairline);list-style:none}
.gnav__more a{display:inline-flex;align-items:center;gap:8px;min-height:44px;font-size:15px;line-height:22px;font-weight:500;color:var(--ink-2);text-decoration:none}
.gnav__more a:hover{color:var(--ink)}
.gnav__more svg{width:18px;height:18px;color:var(--green)}
@media (prefers-reduced-motion:no-preference){.gnav__fly:not([hidden]) .gnav__fly-in{animation:drop 220ms var(--ease) both}}
@keyframes drop{from{opacity:0;transform:translateY(-6px)}}
/* Narrow screens: the same four groups, listed in the menu panel */
.gnav__menu{display:none}
.gnav__panel{display:none}
@media (max-width:900px){
  .gnav__groups,.gnav__fly{display:none!important}
  .gnav__menu{display:grid}
  .gnav__panel{display:block;max-height:calc(100svh - 57px - env(safe-area-inset-top,0px));overflow:auto;overscroll-behavior:contain;border-top:1px solid var(--hairline)}
  .gnav__panel[hidden]{display:none!important}
  .gnav__panel-in{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px 32px;padding-block:8px 24px}
  .gnav__ph{margin:16px 0 2px;font:600 12px/18px var(--font);letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3)}
  .gnav__panel ul{display:grid;margin:0;padding:0;list-style:none}
  .gnav__panel a{display:flex;align-items:center;gap:10px;min-height:48px;font-size:18px;line-height:26px;font-weight:600;color:var(--ink);text-decoration:none;border-bottom:1px solid var(--hairline)}
}
@media (max-width:560px){.gnav__panel-in{grid-template-columns:minmax(0,1fr)}}

/* ── Site bars (site layer) ──
   One global bar on top of every page, the page's own bar right under it (product, Nova, compare).
   Phones: the global bar steps aside while you read down and comes back on any scroll up; the page's bar takes the top. */
:root{--gnav-h:57px;--lbar-h:0px}
html{scroll-padding-top:calc(env(safe-area-inset-top,0px) + var(--gnav-h) + var(--lbar-h) + 8px)}
.gnav{position:sticky;top:env(safe-area-inset-top,0px);z-index:60}
.gnav svg.i{fill:none}
.lnav,.subnav,.vs-stick{top:calc(env(safe-area-inset-top,0px) + var(--gnav-h))}

/* Where you are: ink plus a green mark, never colour alone */
.gnav__btn[data-current]{position:relative}
.gnav__btn[data-current]::after{content:"";position:absolute;left:12px;right:28px;bottom:8px;height:2px;border-radius:2px;background:var(--green)}
.gnav__nova[aria-current="page"]{position:relative}
.gnav__nova[aria-current="page"]::after{content:"";position:absolute;left:12px;right:12px;bottom:8px;height:2px;border-radius:2px;background:var(--green)}
.gnav__items a[aria-current="page"],.gnav__col a[aria-current="page"]{position:relative;color:var(--ink)}
.gnav__items a[aria-current="page"]::before,.gnav__col a[aria-current="page"]::before{content:"";position:absolute;left:4px;top:12px;bottom:12px;width:2px;border-radius:2px;background:var(--green)}
.gnav__more a[aria-current="page"]{color:var(--ink);box-shadow:inset 0 -2px 0 var(--green)}
.gnav__panel a[aria-current="page"]::after{content:"";flex:none;width:8px;height:8px;border-radius:50%;background:var(--green)}
.dir a[aria-current="page"]{color:var(--ink)}
.dir a[aria-current="page"]::after{content:"";display:inline-block;width:6px;height:6px;margin-left:8px;border-radius:50%;background:var(--green);vertical-align:1px}

/* Phones: the global bar hides on the way down and returns on the way up */
@media (max-width:900px){
  /* Arriving with a #section from another page is a jump down, so the global bar will be away when it lands */
  html{scroll-padding-top:calc(env(safe-area-inset-top,0px) + var(--lbar-h) + 8px)}
  .gnav{transition:transform 200ms var(--ease)}
  .lnav,.vs-stick{transition:top 200ms var(--ease)}
  .subnav{transition:top 200ms var(--ease),border-color 200ms var(--ease)}
  html.gnav-off .gnav{transform:translateY(calc(-100% - env(safe-area-inset-top,0px)))}
  html.gnav-off .lnav,html.gnav-off .subnav,html.gnav-off .vs-stick{top:env(safe-area-inset-top,0px)}
}
@media (prefers-reduced-motion:reduce){.gnav,.lnav,.subnav,.vs-stick{transition:none!important}}

/* Section menu on phones: the bar's name opens the list of the page's sections */
.lnav__toggle,.subnav__toggle{display:none}
@media (max-width:860px){
  .lnav__name,.subnav .brand{display:none}
  .lnav__toggle,.subnav__toggle{display:inline-flex;align-items:center;gap:6px;min-height:44px;margin:0 auto 0 -8px;padding:0 8px;border:0;border-radius:10px;background:none;font:600 19px/28px var(--font);letter-spacing:-.01em;color:var(--ink);white-space:nowrap;cursor:pointer}
  .lnav__toggle:hover,.subnav__toggle:hover,.lnav__toggle[aria-expanded="true"],.subnav__toggle[aria-expanded="true"]{background:rgba(255,255,255,.06)}
  .subnav__toggle > svg:not(.i){width:22px;height:22px;flex:none}
  .lnav__toggle svg.i,.subnav__toggle svg.i{width:18px;height:18px;color:var(--ink-3);transition:transform 200ms var(--ease)}
  .lnav__toggle[aria-expanded="true"] svg.i,.subnav__toggle[aria-expanded="true"] svg.i{transform:rotate(180deg)}
  /* a long page name ends in an ellipsis rather than push the bar's button off the screen */
  .lnav__toggle{min-width:0}
  .lnav__toggle-t{min-width:0;overflow:hidden;text-overflow:ellipsis}
  .lnav__toggle svg.i,.lnav__in > .btn{flex:none}
  .lnav__links[data-open],.subnav nav[data-open]{position:absolute;left:0;right:0;top:100%;max-height:calc(100svh - 120px);overflow:auto;overscroll-behavior:contain;margin:0;padding:4px var(--gutter) 16px;background:var(--deep);border-bottom:1px solid var(--hairline);box-shadow:0 40px 60px -30px rgba(0,0,0,.85)}
  .lnav__links[data-open]{display:grid;gap:0}
  .subnav nav[data-open]{display:block}
  .subnav nav[data-open] ul{display:grid;gap:0}
  .lnav__links[data-open] a,.subnav nav[data-open] a{position:relative;display:flex;align-items:center;min-height:48px;padding:0 0 0 14px;border-radius:0;border-bottom:1px solid var(--hairline);font-size:17px;line-height:24px;font-weight:600;color:var(--ink-2)}
  .lnav__links[data-open] a:hover,.subnav nav[data-open] a:hover,.lnav__links[data-open] a[aria-current="true"],.subnav nav[data-open] a[aria-current="true"]{color:var(--ink)}
  .lnav__links[data-open] a[aria-current="true"]::before,.subnav nav[data-open] a[aria-current="true"]::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:2px;border-radius:2px;background:var(--green)}
}

/* The top-bar link "The new Volumio": one line always; on narrow phones the New badge steps aside so it fits */
.gnav__nova{white-space:nowrap}
@media (max-width:480px){.gnav__nova .gnav__new{display:none}}

/* Devices by type: five columns in the menu, small type labels in the phone menu and the footer */
.gnav__cols{grid-template-columns:repeat(5,minmax(0,1fr))}
.gnav__psub{margin:14px 0 0;font:500 13px/18px var(--font);color:var(--ink-3)}
.dir__sub{margin:12px 0 0;font:600 11px/16px var(--font);letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3)}
.dir > div > ul > li:first-child > .dir__sub{margin-top:0}
/* Utilities on wide screens: the language and Sign in, next to Shop. On phones they sit at the end of the menu panel,
   so the bar keeps two controls (Shop and the menu). */
.gnav__util{margin-left:4px}
.gnav__lang{gap:6px;padding-left:10px}
.gnav__lang svg:first-child{width:18px;height:18px;color:var(--ink-2)}
.gnav__lang[aria-expanded="true"] svg:first-child{transform:none}
@media (max-width:900px){.gnav__signin{display:none}}
/* The language you are reading: marked like the page you are on */
.gnav__items a[aria-current="true"]{position:relative}
.gnav__items a[aria-current="true"]::before{content:"";position:absolute;left:4px;top:12px;bottom:12px;width:2px;border-radius:2px;background:var(--green)}
.gnav__panel a[aria-current="true"]::after{content:"";flex:none;width:8px;height:8px;border-radius:50%;background:var(--green)}
:root{--lbar-h:53px}   /* the page's own bar, until the script measures it */
/* Nova's own bar, sized like the product pages' bar (height, name, links, button) so the two bars feel the same everywhere */
.subnav{background:rgba(28,29,26,.92);border-bottom-color:var(--hairline)}
.subnav__in{gap:8px;min-height:52px}
.subnav .brand{gap:8px;min-height:44px;font-size:19px;line-height:28px}
.subnav .brand svg{width:22px;height:22px}
.subnav nav a{min-height:44px;padding-inline:10px;border-radius:10px;font-size:13px;line-height:18px}
.subnav .btn{min-height:36px;padding:6px 16px;font-size:14px;line-height:20px}
.subnav .btn::after{inset:-6px -4px}
@media (min-width:861px){.subnav nav{display:block}.subnav .btn{margin-left:8px}}
/* The sticky stage in the feature chapters sits below both bars; under 961 px the stage is not sticky (Nova sets
   top:auto there), so the offset would push it down over the list */
@media (min-width:961px){.stagecard{top:calc(env(safe-area-inset-top,0px) + var(--gnav-h) + var(--lbar-h) + 32px)}}